Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

180 files changed, 57211 insertions, 0 deletions

diff --git a/lib/Makefile.am b/lib/Makefile.am
new file mode 100644
index 0000000..95e4bbf
--- /dev/null
+++ b/lib/Makefile.am
@@ -0,0 +1,76 @@
+SUBDIRS = event filehighlight mcconfig search skin tty vfs strutil widget .
+
+if ENABLE_MCLIB
+    LIB_VERSION=`echo $(LIBMC_VERSION) | \
+	tr '.' ' '| \
+	while read v1 v2 v3; do echo $$v2':'$$v3':'$$v1; done`
+
+    AM_LDFLAGS=-no-undefined -version-info $(LIB_VERSION) -release $(LIBMC_RELEASE)
+
+    lib_LTLIBRARIES = libmc.la
+else
+    noinst_LTLIBRARIES = libmc.la
+endif
+
+
+SUBLIB_includes = \
+	event.h event-types.h \
+	filehighlight.h \
+	mcconfig.h \
+	search.h \
+	skin.h \
+	strescape.h \
+	strutil.h \
+	widget.h
+
+SRC_mc_utils = \
+	utilunix.c utilunix.h \
+	unixcompat.h \
+	util.c util.h
+
+
+libmc_la_SOURCES = \
+	$(SUBLIB_includes) \
+	$(SRC_mc_utils) \
+	fileloc.h \
+	fs.h \
+	hook.c hook.h \
+	glibcompat.c glibcompat.h \
+	global.c global.h \
+	keybind.c keybind.h \
+	lock.c lock.h \
+	serialize.c serialize.h \
+	shell.c shell.h \
+	stat-size.h \
+	timefmt.c timefmt.h
+
+if USE_MAINTAINER_MODE
+libmc_la_SOURCES += logging.c logging.h
+endif
+
+if CHARSET
+libmc_la_SOURCES += charsets.c charsets.h
+endif
+
+AM_CPPFLAGS = $(GLIB_CFLAGS) -I$(top_srcdir)
+
+libmc_la_LIBADD = \
+	event/libmcevent.la \
+	filehighlight/libmcfilehighlight.la \
+	mcconfig/libmcconfig.la \
+	search/libsearch.la \
+	strutil/libmcstrutil.la \
+	skin/libmcskin.la \
+	tty/libmctty.la \
+	vfs/libmcvfs.la \
+	widget/libmcwidget.la
+
+libmc_la_LIBADD += $(MCLIBS) $(SLANGLIB)
+
+if HAVE_GMODULE
+    libmc_la_LIBADD += $(GMODULE_LIBS)
+else
+    libmc_la_LIBADD += $(GLIB_LIBS)
+endif
+
+libmc_la_LIBADD += $(PCRE_LIBS)
diff --git a/lib/Makefile.in b/lib/Makefile.in
new file mode 100644
index 0000000..8dde193
--- /dev/null
+++ b/lib/Makefile.in
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+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
+	clean-noinstLTLIBRARIES mostlyclean-am
+
+distclean: distclean-recursive
+		-rm -f ./$(DEPDIR)/charsets.Plo
+	-rm -f ./$(DEPDIR)/glibcompat.Plo
+	-rm -f ./$(DEPDIR)/global.Plo
+	-rm -f ./$(DEPDIR)/hook.Plo
+	-rm -f ./$(DEPDIR)/keybind.Plo
+	-rm -f ./$(DEPDIR)/lock.Plo
+	-rm -f ./$(DEPDIR)/logging.Plo
+	-rm -f ./$(DEPDIR)/serialize.Plo
+	-rm -f ./$(DEPDIR)/shell.Plo
+	-rm -f ./$(DEPDIR)/timefmt.Plo
+	-rm -f ./$(DEPDIR)/util.Plo
+	-rm -f ./$(DEPDIR)/utilunix.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am: install-libLTLIBRARIES
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+		-rm -f ./$(DEPDIR)/charsets.Plo
+	-rm -f ./$(DEPDIR)/glibcompat.Plo
+	-rm -f ./$(DEPDIR)/global.Plo
+	-rm -f ./$(DEPDIR)/hook.Plo
+	-rm -f ./$(DEPDIR)/keybind.Plo
+	-rm -f ./$(DEPDIR)/lock.Plo
+	-rm -f ./$(DEPDIR)/logging.Plo
+	-rm -f ./$(DEPDIR)/serialize.Plo
+	-rm -f ./$(DEPDIR)/shell.Plo
+	-rm -f ./$(DEPDIR)/timefmt.Plo
+	-rm -f ./$(DEPDIR)/util.Plo
+	-rm -f ./$(DEPDIR)/utilunix.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-libLTLIBRARIES
+
+.MAKE: $(am__recursive_targets) install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \
+	am--depfiles check check-am clean clean-generic \
+	clean-libLTLIBRARIES clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-libLTLIBRARIES \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-libLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/charsets.c b/lib/charsets.c
new file mode 100644
index 0000000..b893902
--- /dev/null
+++ b/lib/charsets.c
@@ -0,0 +1,526 @@
+/*
+   Text conversion from one charset to another.
+
+   Copyright (C) 2001-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Walery Studennikov <despair@sama.ru>
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file charsets.c
+ *  \brief Source: Text conversion from one charset to another
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"        /* utf-8 functions */
+#include "lib/fileloc.h"
+#include "lib/util.h"           /* whitespace() */
+
+#include "lib/charsets.h"
+
+/*** global variables ****************************************************************************/
+
+GPtrArray *codepages = NULL;
+
+unsigned char conv_displ[256];
+unsigned char conv_input[256];
+
+const char *cp_display = NULL;
+const char *cp_source = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define UNKNCHAR '\001'
+
+#define OTHER_8BIT "Other_8_bit"
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static codepage_desc *
+new_codepage_desc (const char *id, const char *name)
+{
+    codepage_desc *desc;
+
+    desc = g_new (codepage_desc, 1);
+    desc->id = g_strdup (id);
+    desc->name = g_strdup (name);
+
+    return desc;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+free_codepage_desc (gpointer data, gpointer user_data)
+{
+    codepage_desc *desc = (codepage_desc *) data;
+    (void) user_data;
+
+    g_free (desc->id);
+    g_free (desc->name);
+    g_free (desc);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* returns display codepage */
+
+static void
+load_codepages_list_from_file (GPtrArray ** list, const char *fname)
+{
+    FILE *f;
+    char buf[BUF_MEDIUM];
+    char *default_codepage = NULL;
+
+    f = fopen (fname, "r");
+    if (f == NULL)
+        return;
+
+    while (fgets (buf, sizeof buf, f) != NULL)
+    {
+        /* split string into id and cpname */
+        char *p = buf;
+        size_t buflen;
+
+        if (*p == '\n' || *p == '\0' || *p == '#')
+            continue;
+
+        buflen = strlen (buf);
+
+        if (buflen != 0 && buf[buflen - 1] == '\n')
+            buf[buflen - 1] = '\0';
+        while (*p != '\0' && !whitespace (*p))
+            ++p;
+        if (*p == '\0')
+            goto fail;
+
+        *p++ = '\0';
+        g_strstrip (p);
+        if (*p == '\0')
+            goto fail;
+
+        if (strcmp (buf, "default") == 0)
+            default_codepage = g_strdup (p);
+        else
+        {
+            const char *id = buf;
+
+            if (*list == NULL)
+            {
+                *list = g_ptr_array_sized_new (16);
+                g_ptr_array_add (*list, new_codepage_desc (id, p));
+            }
+            else
+            {
+                unsigned int i;
+
+                /* whether id is already present in list */
+                /* if yes, overwrite description */
+                for (i = 0; i < (*list)->len; i++)
+                {
+                    codepage_desc *desc;
+
+                    desc = (codepage_desc *) g_ptr_array_index (*list, i);
+
+                    if (strcmp (id, desc->id) == 0)
+                    {
+                        /* found */
+                        g_free (desc->name);
+                        desc->name = g_strdup (p);
+                        break;
+                    }
+                }
+
+                /* not found */
+                if (i == (*list)->len)
+                    g_ptr_array_add (*list, new_codepage_desc (id, p));
+            }
+        }
+    }
+
+    if (default_codepage != NULL)
+    {
+        mc_global.display_codepage = get_codepage_index (default_codepage);
+        g_free (default_codepage);
+    }
+
+  fail:
+    fclose (f);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char
+translate_character (GIConv cd, char c)
+{
+    gchar *tmp_buff = NULL;
+    gsize bytes_read, bytes_written = 0;
+    const char *ibuf = &c;
+    char ch = UNKNCHAR;
+    int ibuflen = 1;
+
+    tmp_buff = g_convert_with_iconv (ibuf, ibuflen, cd, &bytes_read, &bytes_written, NULL);
+    if (tmp_buff != NULL)
+        ch = tmp_buff[0];
+    g_free (tmp_buff);
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+load_codepages_list (void)
+{
+    char *fname;
+
+    /* 1: try load /usr/share/mc/mc.charsets */
+    fname = g_build_filename (mc_global.share_data_dir, CHARSETS_LIST, (char *) NULL);
+    load_codepages_list_from_file (&codepages, fname);
+    g_free (fname);
+
+    /* 2: try load /etc/mc/mc.charsets */
+    fname = g_build_filename (mc_global.sysconfig_dir, CHARSETS_LIST, (char *) NULL);
+    load_codepages_list_from_file (&codepages, fname);
+    g_free (fname);
+
+    if (codepages == NULL)
+    {
+        /* files are not found, add defaullt codepage */
+        fprintf (stderr, "%s\n", _("Warning: cannot load codepages list"));
+
+        codepages = g_ptr_array_new ();
+        g_ptr_array_add (codepages, new_codepage_desc (DEFAULT_CHARSET, _("7-bit ASCII")));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+free_codepages_list (void)
+{
+    g_ptr_array_foreach (codepages, free_codepage_desc, NULL);
+    g_ptr_array_free (codepages, TRUE);
+    /* NULL-ize pointer to make unit tests happy */
+    codepages = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+get_codepage_id (const int n)
+{
+    return (n < 0) ? OTHER_8BIT : ((codepage_desc *) g_ptr_array_index (codepages, n))->id;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+get_codepage_index (const char *id)
+{
+    size_t i;
+
+    if (codepages == NULL)
+        return -1;
+    if (strcmp (id, OTHER_8BIT) == 0)
+        return -1;
+    for (i = 0; i < codepages->len; i++)
+        if (strcmp (id, ((codepage_desc *) g_ptr_array_index (codepages, i))->id) == 0)
+            return i;
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Check if specified encoding can be used in mc.
+ * @param encoding name of encoding
+ * @return TRUE if encoding is supported by mc, FALSE otherwise
+ */
+
+gboolean
+is_supported_encoding (const char *encoding)
+{
+    gboolean result = FALSE;
+    guint t;
+
+    for (t = 0; t < codepages->len; t++)
+    {
+        const char *id;
+
+        id = ((codepage_desc *) g_ptr_array_index (codepages, t))->id;
+        result |= (g_ascii_strncasecmp (encoding, id, strlen (id)) == 0);
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+init_translation_table (int cpsource, int cpdisplay)
+{
+    int i;
+    GIConv cd;
+
+    /* Fill inpit <-> display tables */
+
+    if (cpsource < 0 || cpdisplay < 0 || cpsource == cpdisplay)
+    {
+        for (i = 0; i <= 255; ++i)
+        {
+            conv_displ[i] = i;
+            conv_input[i] = i;
+        }
+        cp_source = cp_display;
+        return NULL;
+    }
+
+    for (i = 0; i <= 127; ++i)
+    {
+        conv_displ[i] = i;
+        conv_input[i] = i;
+    }
+    cp_source = ((codepage_desc *) g_ptr_array_index (codepages, cpsource))->id;
+    cp_display = ((codepage_desc *) g_ptr_array_index (codepages, cpdisplay))->id;
+
+    /* display <- inpit table */
+
+    cd = g_iconv_open (cp_display, cp_source);
+    if (cd == INVALID_CONV)
+        return g_strdup_printf (_("Cannot translate from %s to %s"), cp_source, cp_display);
+
+    for (i = 128; i <= 255; ++i)
+        conv_displ[i] = translate_character (cd, i);
+
+    g_iconv_close (cd);
+
+    /* inpit <- display table */
+
+    cd = g_iconv_open (cp_source, cp_display);
+    if (cd == INVALID_CONV)
+        return g_strdup_printf (_("Cannot translate from %s to %s"), cp_display, cp_source);
+
+    for (i = 128; i <= 255; ++i)
+    {
+        unsigned char ch;
+        ch = translate_character (cd, i);
+        conv_input[i] = (ch == UNKNCHAR) ? i : ch;
+    }
+
+    g_iconv_close (cd);
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+convert_to_display (char *str)
+{
+    if (str != NULL)
+        for (; *str != '\0'; str++)
+            *str = conv_displ[(unsigned char) *str];
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+str_nconvert_to_display (const char *str, int len)
+{
+    GString *buff;
+    GIConv conv;
+
+    if (str == NULL)
+        return g_string_new ("");
+
+    if (cp_display == cp_source)
+        return g_string_new (str);
+
+    conv = str_crt_conv_from (cp_source);
+
+    buff = g_string_new ("");
+    str_nconvert (conv, str, len, buff);
+    str_close_conv (conv);
+    return buff;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+convert_from_input (char *str)
+{
+    if (str != NULL)
+        for (; *str != '\0'; str++)
+            *str = conv_input[(unsigned char) *str];
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+str_nconvert_to_input (const char *str, int len)
+{
+    GString *buff;
+    GIConv conv;
+
+    if (str == NULL)
+        return g_string_new ("");
+
+    if (cp_display == cp_source)
+        return g_string_new (str);
+
+    conv = str_crt_conv_to (cp_source);
+
+    buff = g_string_new ("");
+    str_nconvert (conv, str, len, buff);
+    str_close_conv (conv);
+    return buff;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+unsigned char
+convert_from_utf_to_current (const char *str)
+{
+    unsigned char buf_ch[UTF8_CHAR_LEN + 1];
+    unsigned char ch = '.';
+    GIConv conv;
+    const char *cp_to;
+
+    if (str == NULL)
+        return '.';
+
+    cp_to = get_codepage_id (mc_global.source_codepage);
+    conv = str_crt_conv_to (cp_to);
+
+    if (conv != INVALID_CONV)
+    {
+        switch (str_translate_char (conv, str, -1, (char *) buf_ch, sizeof (buf_ch)))
+        {
+        case ESTR_SUCCESS:
+            ch = buf_ch[0];
+            break;
+        case ESTR_PROBLEM:
+        case ESTR_FAILURE:
+            ch = '.';
+            break;
+        default:
+            break;
+        }
+        str_close_conv (conv);
+    }
+
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+unsigned char
+convert_from_utf_to_current_c (int input_char, GIConv conv)
+{
+    unsigned char str[UTF8_CHAR_LEN + 1];
+    unsigned char buf_ch[UTF8_CHAR_LEN + 1];
+    unsigned char ch = '.';
+    int res;
+
+    res = g_unichar_to_utf8 (input_char, (char *) str);
+    if (res == 0)
+        return ch;
+
+    str[res] = '\0';
+
+    switch (str_translate_char (conv, (char *) str, -1, (char *) buf_ch, sizeof (buf_ch)))
+    {
+    case ESTR_SUCCESS:
+        ch = buf_ch[0];
+        break;
+    case ESTR_PROBLEM:
+    case ESTR_FAILURE:
+        ch = '.';
+        break;
+    default:
+        break;
+    }
+
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+convert_from_8bit_to_utf_c (char input_char, GIConv conv)
+{
+    unsigned char str[2];
+    unsigned char buf_ch[UTF8_CHAR_LEN + 1];
+    int ch;
+
+    str[0] = (unsigned char) input_char;
+    str[1] = '\0';
+
+    switch (str_translate_char (conv, (char *) str, -1, (char *) buf_ch, sizeof (buf_ch)))
+    {
+    case ESTR_SUCCESS:
+        {
+            int res;
+
+            res = g_utf8_get_char_validated ((char *) buf_ch, -1);
+            ch = res >= 0 ? res : buf_ch[0];
+            break;
+        }
+    case ESTR_PROBLEM:
+    case ESTR_FAILURE:
+    default:
+        ch = '.';
+        break;
+    }
+
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+convert_from_8bit_to_utf_c2 (char input_char)
+{
+    int ch = '.';
+    GIConv conv;
+    const char *cp_from;
+
+    cp_from = get_codepage_id (mc_global.source_codepage);
+
+    conv = str_crt_conv_to (cp_from);
+    if (conv != INVALID_CONV)
+    {
+        ch = convert_from_8bit_to_utf_c (input_char, conv);
+        str_close_conv (conv);
+    }
+
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/charsets.h b/lib/charsets.h
new file mode 100644
index 0000000..a7c1bb7
--- /dev/null
+++ b/lib/charsets.h
@@ -0,0 +1,113 @@
+/** \file charsets.h
+ *  \brief Header: Text conversion from one charset to another
+ */
+
+#ifndef MC__CHARSETS_H
+#define MC__CHARSETS_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    char *id;
+    char *name;
+} codepage_desc;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern unsigned char conv_displ[256];
+extern unsigned char conv_input[256];
+
+extern const char *cp_display;
+extern const char *cp_source;
+extern GPtrArray *codepages;
+
+/*** declarations of public functions ************************************************************/
+
+const char *get_codepage_id (const int n);
+int get_codepage_index (const char *id);
+void load_codepages_list (void);
+void free_codepages_list (void);
+gboolean is_supported_encoding (const char *encoding);
+char *init_translation_table (int cpsource, int cpdisplay);
+void convert_to_display (char *str);
+void convert_from_input (char *str);
+void convert_string (unsigned char *str);
+
+/*
+ * Converter from utf to selected codepage
+ * param str, utf char
+ * return char in needle codepage (by global int mc_global.source_codepage)
+ */
+unsigned char convert_from_utf_to_current (const char *str);
+
+/*
+ * Converter from utf to selected codepage
+ * param input_char, gunichar
+ * return char in needle codepage (by global int mc_global.source_codepage)
+ */
+unsigned char convert_from_utf_to_current_c (int input_char, GIConv conv);
+
+/*
+ * Converter from selected codepage 8-bit
+ * param char input_char, GIConv converter
+ * return int utf char
+ */
+int convert_from_8bit_to_utf_c (char input_char, GIConv conv);
+
+/*
+ * Converter from display codepage 8-bit to utf-8
+ * param char input_char, GIConv converter
+ * return int utf char
+ */
+int convert_from_8bit_to_utf_c2 (char input_char);
+
+GString *str_nconvert_to_input (const char *str, int len);
+GString *str_nconvert_to_display (const char *str, int len);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* Convert single characters */
+static inline int
+convert_to_display_c (int c)
+{
+    if (c < 0 || c >= 256)
+        return c;
+    return (int) conv_displ[c];
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline int
+convert_from_input_c (int c)
+{
+    if (c < 0 || c >= 256)
+        return c;
+    return (int) conv_input[c];
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline GString *
+str_convert_to_input (const char *str)
+{
+    return str_nconvert_to_input (str, -1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline GString *
+str_convert_to_display (const char *str)
+{
+    return str_nconvert_to_display (str, -1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* MC__CHARSETS_H */
diff --git a/lib/event-types.h b/lib/event-types.h
new file mode 100644
index 0000000..2625c36
--- /dev/null
+++ b/lib/event-types.h
@@ -0,0 +1,84 @@
+#ifndef MC__EVENT_TYPES_H
+#define MC__EVENT_TYPES_H
+
+#include <stdarg.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Event groups for main modules */
+#define MCEVENT_GROUP_CORE "Core"
+#define MCEVENT_GROUP_DIALOG "Dialog"
+#define MCEVENT_GROUP_DIFFVIEWER "DiffViewer"
+#define MCEVENT_GROUP_EDITOR "Editor"
+#define MCEVENT_GROUP_FILEMANAGER "FileManager"
+#define MCEVENT_GROUP_VIEWER "Viewer"
+
+/* Events */
+#define MCEVENT_HISTORY_LOAD "history_load"
+#define MCEVENT_HISTORY_SAVE "history_save"
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* MCEVENT_GROUP_CORE:vfs_timestamp */
+struct vfs_class;
+typedef struct
+{
+    struct vfs_class *vclass;
+    gpointer id;
+    gboolean ret;
+} ev_vfs_stamp_create_t;
+
+/* MCEVENT_GROUP_CORE:vfs_print_message */
+typedef struct
+{
+    char *msg;
+} ev_vfs_print_message_t;
+
+/* MCEVENT_GROUP_CORE:clipboard_text_from_file */
+typedef struct
+{
+    char **text;
+    gboolean ret;
+} ev_clipboard_text_from_file_t;
+
+/* MCEVENT_GROUP_CORE:help */
+typedef struct
+{
+    const char *filename;
+    const char *node;
+} ev_help_t;
+
+/* MCEVENT_GROUP_CORE:background_parent_call */
+/* MCEVENT_GROUP_CORE:background_parent_call_string */
+typedef struct
+{
+    void *routine;
+    gpointer *ctx;
+    int argc;
+    va_list ap;
+    union
+    {
+        int i;
+        char *s;
+    } ret;
+} ev_background_parent_call_t;
+
+/* MCEVENT_GROUP_DIALOG:history_load */
+/* MCEVENT_GROUP_DIALOG:history_save */
+struct mc_config_t;
+struct Widget;
+typedef struct
+{
+    struct mc_config_t *cfg;
+    struct Widget *receiver;    /* NULL means broadcast message */
+} ev_history_load_save_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EVENT_TYPES_H */
diff --git a/lib/event.h b/lib/event.h
new file mode 100644
index 0000000..6661639
--- /dev/null
+++ b/lib/event.h
@@ -0,0 +1,48 @@
+#ifndef MC__EVENT_H
+#define MC__EVENT_H
+
+#include "event-types.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+typedef gboolean (*mc_event_callback_func_t) (const gchar *, const gchar *, gpointer, gpointer);
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    const char *event_group_name;
+    const char *event_name;
+    mc_event_callback_func_t cb;
+    gpointer init_data;
+} event_init_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* event.c: */
+gboolean mc_event_init (GError ** mcerror);
+gboolean mc_event_deinit (GError ** mcerror);
+
+
+/* manage.c: */
+gboolean mc_event_add (const gchar * event_group_name, const gchar * event_name,
+                       mc_event_callback_func_t event_callback, gpointer event_init_data,
+                       GError ** mcerror);
+void mc_event_del (const gchar * event_group_name, const gchar * event_name,
+                   mc_event_callback_func_t event_callback, gpointer event_init_data);
+void mc_event_destroy (const gchar * event_group_name, const gchar * event_name);
+void mc_event_group_del (const gchar * event_group_name);
+gboolean mc_event_present (const gchar * event_group_name, const gchar * event_name);
+gboolean mc_event_mass_add (const event_init_t * events, GError ** mcerror);
+
+/* raise.c: */
+gboolean mc_event_raise (const gchar *, const gchar *, gpointer);
+
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EVENT_H */
diff --git a/lib/event/Makefile.am b/lib/event/Makefile.am
new file mode 100644
index 0000000..407bead
--- /dev/null
+++ b/lib/event/Makefile.am
@@ -0,0 +1,10 @@
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+
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+	internal.h \
+	manage.c \
+	raise.c
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS)
diff --git a/lib/event/Makefile.in b/lib/event/Makefile.in
new file mode 100644
index 0000000..500057a
--- /dev/null
+++ b/lib/event/Makefile.in
@@ -0,0 +1,744 @@
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+	  case '$(am__configure_deps)' in \
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+clean-noinstLTLIBRARIES:
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+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
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+
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+distclean-compile:
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/event.Plo@am__quote@ # am--include-marker
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+
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+
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+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
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+	      $$unique; \
+	  fi; \
+	fi
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
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+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
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+	    fi; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
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+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+	@echo "it deletes files that may require special tools to rebuild."
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+	mostlyclean-am
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+		-rm -f ./$(DEPDIR)/event.Plo
+	-rm -f ./$(DEPDIR)/manage.Plo
+	-rm -f ./$(DEPDIR)/raise.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
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+		-rm -f ./$(DEPDIR)/event.Plo
+	-rm -f ./$(DEPDIR)/manage.Plo
+	-rm -f ./$(DEPDIR)/raise.Plo
+	-rm -f Makefile
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
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+	maintainer-clean-generic mostlyclean mostlyclean-compile \
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/event/event.c b/lib/event/event.c
new file mode 100644
index 0000000..421c6c4
--- /dev/null
+++ b/lib/event/event.c
@@ -0,0 +1,135 @@
+/*
+   Handle  events in application.
+   Interface functions: init/deinit; start/stop
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/util.h"
+#include "lib/event.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+GTree *mc_event_grouplist = NULL;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_init (GError ** mcerror)
+{
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if (mc_event_grouplist != NULL)
+    {
+        mc_propagate_error (mcerror, 0, "%s", _("Event system already initialized"));
+        return FALSE;
+    }
+
+    mc_event_grouplist =
+        g_tree_new_full ((GCompareDataFunc) g_ascii_strcasecmp,
+                         NULL, (GDestroyNotify) g_free, (GDestroyNotify) g_tree_destroy);
+
+    if (mc_event_grouplist == NULL)
+    {
+        mc_propagate_error (mcerror, 0, "%s", _("Failed to initialize event system"));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_deinit (GError ** mcerror)
+{
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if (mc_event_grouplist == NULL)
+    {
+        mc_propagate_error (mcerror, 0, "%s", _("Event system not initialized"));
+        return FALSE;
+    }
+
+    g_tree_destroy (mc_event_grouplist);
+    mc_event_grouplist = NULL;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_mass_add (const event_init_t * events, GError ** mcerror)
+{
+    size_t array_index;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    for (array_index = 0; events[array_index].event_group_name != NULL; array_index++)
+    {
+        if (!mc_event_add (events[array_index].event_group_name,
+                           events[array_index].event_name,
+                           events[array_index].cb, events[array_index].init_data, mcerror))
+        {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_present (const gchar * event_group_name, const gchar * event_name)
+{
+    GTree *event_group;
+    GPtrArray *callbacks;
+
+    if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL)
+        return FALSE;
+
+    event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
+    if (event_group == NULL)
+        return FALSE;
+
+    callbacks = mc_event_get_event_by_name (event_group, event_name, FALSE, NULL);
+    if (callbacks == NULL)
+        return FALSE;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/event/internal.h b/lib/event/internal.h
new file mode 100644
index 0000000..f82ac3a
--- /dev/null
+++ b/lib/event/internal.h
@@ -0,0 +1,32 @@
+#ifndef MC_EVENT_INTERNAL_H
+#define MC_EVENT_INTERNAL_H
+
+/*** typedefs(not structures) and defined constants ********************/
+
+/*** enums *************************************************************/
+
+/*** structures declarations (and typedefs of structures)***************/
+
+typedef struct mc_event_callback_struct
+{
+    gpointer init_data;
+    mc_event_callback_func_t callback;
+} mc_event_callback_t;
+
+
+/*** global variables defined in .c file *******************************/
+
+extern GTree *mc_event_grouplist;
+
+/*** declarations of public functions **********************************/
+
+GTree *mc_event_get_event_group_by_name (const gchar * event_group_name, gboolean create_new,
+                                         GError ** mcerror);
+GPtrArray *mc_event_get_event_by_name (GTree * event_group, const gchar * event_name,
+                                       gboolean create_new, GError ** mcerror);
+mc_event_callback_t *mc_event_is_callback_in_array (GPtrArray * callbacks,
+                                                    mc_event_callback_func_t event_callback,
+                                                    gpointer event_init_data);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_EVENT_INTERNAL_H */
diff --git a/lib/event/manage.c b/lib/event/manage.c
new file mode 100644
index 0000000..7d04a36
--- /dev/null
+++ b/lib/event/manage.c
@@ -0,0 +1,225 @@
+/*
+   Handle any events in application.
+   Manage events: add, delete, destroy, search
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/util.h"
+#include "lib/event.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_event_group_destroy_value (gpointer data)
+{
+    GPtrArray *callbacks;
+
+    callbacks = (GPtrArray *) data;
+    g_ptr_array_foreach (callbacks, (GFunc) g_free, NULL);
+    g_ptr_array_free (callbacks, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_add (const gchar * event_group_name, const gchar * event_name,
+              mc_event_callback_func_t event_callback, gpointer event_init_data, GError ** mcerror)
+{
+
+    GTree *event_group;
+    GPtrArray *callbacks;
+    mc_event_callback_t *cb;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL
+        || event_callback == NULL)
+    {
+        mc_propagate_error (mcerror, 0, "%s", _("Check input data! Some of parameters are NULL!"));
+        return FALSE;
+    }
+
+    event_group = mc_event_get_event_group_by_name (event_group_name, TRUE, mcerror);
+    if (event_group == NULL)
+        return FALSE;
+
+    callbacks = mc_event_get_event_by_name (event_group, event_name, TRUE, mcerror);
+    if (callbacks == NULL)
+        return FALSE;
+
+    cb = mc_event_is_callback_in_array (callbacks, event_callback, event_init_data);
+    if (cb == NULL)
+    {
+        cb = g_new0 (mc_event_callback_t, 1);
+        cb->callback = event_callback;
+        g_ptr_array_add (callbacks, (gpointer) cb);
+    }
+    cb->init_data = event_init_data;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_event_del (const gchar * event_group_name, const gchar * event_name,
+              mc_event_callback_func_t event_callback, gpointer event_init_data)
+{
+    GTree *event_group;
+    GPtrArray *callbacks;
+    mc_event_callback_t *cb;
+
+    if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL
+        || event_callback == NULL)
+        return;
+
+    event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
+    if (event_group == NULL)
+        return;
+
+    callbacks = mc_event_get_event_by_name (event_group, event_name, FALSE, NULL);
+    if (callbacks == NULL)
+        return;
+
+    cb = mc_event_is_callback_in_array (callbacks, event_callback, event_init_data);
+
+    if (cb == NULL)
+        return;
+
+    g_ptr_array_remove (callbacks, (gpointer) cb);
+    g_free ((gpointer) cb);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_event_destroy (const gchar * event_group_name, const gchar * event_name)
+{
+    GTree *event_group;
+
+    if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL)
+        return;
+
+    event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
+    g_tree_remove (event_group, (gconstpointer) event_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_event_group_del (const gchar * event_group_name)
+{
+
+    if (mc_event_grouplist != NULL && event_group_name != NULL)
+        g_tree_remove (mc_event_grouplist, (gconstpointer) event_group_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GTree *
+mc_event_get_event_group_by_name (const gchar * event_group_name, gboolean create_new,
+                                  GError ** mcerror)
+{
+    GTree *event_group;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    event_group = (GTree *) g_tree_lookup (mc_event_grouplist, (gconstpointer) event_group_name);
+    if (event_group == NULL && create_new)
+    {
+        event_group =
+            g_tree_new_full ((GCompareDataFunc) g_ascii_strcasecmp,
+                             NULL,
+                             (GDestroyNotify) g_free,
+                             (GDestroyNotify) mc_event_group_destroy_value);
+        if (event_group == NULL)
+        {
+            mc_propagate_error (mcerror, 0, _("Unable to create group '%s' for events!"),
+                                event_group_name);
+            return NULL;
+        }
+        g_tree_insert (mc_event_grouplist, g_strdup (event_group_name), (gpointer) event_group);
+    }
+    return event_group;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GPtrArray *
+mc_event_get_event_by_name (GTree * event_group, const gchar * event_name, gboolean create_new,
+                            GError ** mcerror)
+{
+    GPtrArray *callbacks;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    callbacks = (GPtrArray *) g_tree_lookup (event_group, (gconstpointer) event_name);
+    if (callbacks == NULL && create_new)
+    {
+        callbacks = g_ptr_array_new ();
+        if (callbacks == NULL)
+        {
+            mc_propagate_error (mcerror, 0, _("Unable to create event '%s'!"), event_name);
+            return NULL;
+        }
+        g_tree_insert (event_group, g_strdup (event_name), (gpointer) callbacks);
+    }
+    return callbacks;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+mc_event_callback_t *
+mc_event_is_callback_in_array (GPtrArray * callbacks, mc_event_callback_func_t event_callback,
+                               gpointer event_init_data)
+{
+    guint array_index;
+
+    for (array_index = 0; array_index < callbacks->len; array_index++)
+    {
+        mc_event_callback_t *cb = g_ptr_array_index (callbacks, array_index);
+        if (cb->callback == event_callback && cb->init_data == event_init_data)
+            return cb;
+    }
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/event/raise.c b/lib/event/raise.c
new file mode 100644
index 0000000..c4e92a4
--- /dev/null
+++ b/lib/event/raise.c
@@ -0,0 +1,75 @@
+/*
+   Handle any events in application.
+   Raise events.
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/event.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_event_raise (const gchar * event_group_name, const gchar * event_name, gpointer event_data)
+{
+    GTree *event_group;
+    GPtrArray *callbacks;
+    guint array_index;
+
+    if (mc_event_grouplist == NULL || event_group_name == NULL || event_name == NULL)
+        return FALSE;
+
+    event_group = mc_event_get_event_group_by_name (event_group_name, FALSE, NULL);
+    if (event_group == NULL)
+        return FALSE;
+
+    callbacks = mc_event_get_event_by_name (event_group, event_name, FALSE, NULL);
+    if (callbacks == NULL)
+        return FALSE;
+
+    for (array_index = callbacks->len; array_index > 0; array_index--)
+    {
+        mc_event_callback_t *cb = g_ptr_array_index (callbacks, array_index - 1);
+        if (!(*cb->callback) (event_group_name, event_name, cb->init_data, event_data))
+            break;
+    }
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/filehighlight.h b/lib/filehighlight.h
new file mode 100644
index 0000000..2a5c72a
--- /dev/null
+++ b/lib/filehighlight.h
@@ -0,0 +1,34 @@
+#ifndef MC__FILEHIGHLIGHT_H
+#define MC__FILEHIGHLIGHT_H
+
+#include "lib/mcconfig.h"       /* mc_config_t */
+#include "lib/util.h"           /* file_entry_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_fhl_struct
+{
+    mc_config_t *config;
+    GPtrArray *filters;
+} mc_fhl_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+mc_fhl_t *mc_fhl_new (gboolean need_auto_fill);
+void mc_fhl_free (mc_fhl_t ** fhl);
+
+int mc_fhl_get_color (const mc_fhl_t * fhl, const file_entry_t * fe);
+
+gboolean mc_fhl_read_ini_file (mc_fhl_t * fhl, const gchar * filename);
+gboolean mc_fhl_parse_ini_file (mc_fhl_t * fhl);
+void mc_fhl_clear (mc_fhl_t * fhl);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__FILEHIGHLIGHT_H */
diff --git a/lib/filehighlight/Makefile.am b/lib/filehighlight/Makefile.am
new file mode 100644
index 0000000..57a8d94
--- /dev/null
+++ b/lib/filehighlight/Makefile.am
@@ -0,0 +1,9 @@
+noinst_LTLIBRARIES = libmcfilehighlight.la
+
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+	common.c \
+	get-color.c \
+	ini-file-read.c \
+	internal.h
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS) $(PCRE_CPPFLAGS)
diff --git a/lib/filehighlight/Makefile.in b/lib/filehighlight/Makefile.in
new file mode 100644
index 0000000..fbaff28
--- /dev/null
+++ b/lib/filehighlight/Makefile.in
@@ -0,0 +1,745 @@
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+
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu lib/filehighlight/Makefile
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+	  *config.status*) \
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
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+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
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+libmcfilehighlight.la: $(libmcfilehighlight_la_OBJECTS) $(libmcfilehighlight_la_DEPENDENCIES) $(EXTRA_libmcfilehighlight_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK)  $(libmcfilehighlight_la_OBJECTS) $(libmcfilehighlight_la_LIBADD) $(LIBS)
+
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
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+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
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+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
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+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
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+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
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+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	fi
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+	@echo "it deletes files that may require special tools to rebuild."
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/filehighlight/common.c b/lib/filehighlight/common.c
new file mode 100644
index 0000000..6c59336
--- /dev/null
+++ b/lib/filehighlight/common.c
@@ -0,0 +1,122 @@
+/*
+   File highlight plugin.
+   Interface functions
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/filehighlight.h"
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static void
+mc_fhl_filter_free (void *data)
+{
+    mc_fhl_filter_t *filter = (mc_fhl_filter_t *) data;
+
+    g_free (filter->fgcolor);
+    g_free (filter->bgcolor);
+    mc_search_free (filter->search_condition);
+    g_free (filter);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_fhl_array_free (mc_fhl_t * fhl)
+{
+    if (fhl->filters != NULL)
+    {
+        g_ptr_array_foreach (fhl->filters, (GFunc) mc_fhl_filter_free, NULL);
+        fhl->filters = (GPtrArray *) g_ptr_array_free (fhl->filters, TRUE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+mc_fhl_t *
+mc_fhl_new (gboolean need_auto_fill)
+{
+    mc_fhl_t *fhl;
+
+    fhl = g_try_new0 (mc_fhl_t, 1);
+    if (fhl == NULL)
+        return NULL;
+
+    if (!need_auto_fill)
+        return fhl;
+
+    if (!mc_fhl_init_from_standard_files (fhl))
+    {
+        g_free (fhl);
+        return NULL;
+    }
+
+    if (!mc_fhl_parse_ini_file (fhl))
+    {
+        mc_fhl_free (&fhl);
+        return NULL;
+    }
+
+    return fhl;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_fhl_free (mc_fhl_t ** fhl)
+{
+    if (fhl == NULL || *fhl == NULL)
+        return;
+
+    mc_fhl_clear (*fhl);
+
+    MC_PTR_FREE (*fhl);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_fhl_clear (mc_fhl_t * fhl)
+{
+    if (fhl != NULL)
+    {
+        mc_config_deinit (fhl->config);
+        mc_fhl_array_free (fhl);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/filehighlight/get-color.c b/lib/filehighlight/get-color.c
new file mode 100644
index 0000000..c59541b
--- /dev/null
+++ b/lib/filehighlight/get-color.c
@@ -0,0 +1,289 @@
+/*
+   File highlight plugin.
+   Interface functions. get color pair index for highlighted file.
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/skin.h"
+#include "lib/util.h"           /* is_exe() */
+#include "lib/filehighlight.h"
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+
+/*inline functions */
+inline static gboolean
+mc_fhl_is_file (const file_entry_t * fe)
+{
+#if HAVE_S_ISREG == 0
+    (void) fe;
+#endif
+    return S_ISREG (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_file_exec (const file_entry_t * fe)
+{
+    return is_exe (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_dir (const file_entry_t * fe)
+{
+#if HAVE_S_ISDIR == 0
+    (void) fe;
+#endif
+    return S_ISDIR (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_link (const file_entry_t * fe)
+{
+#if HAVE_S_ISLNK == 0
+    (void) fe;
+#endif
+    return S_ISLNK (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_hlink (const file_entry_t * fe)
+{
+    return (fe->st.st_nlink > 1);
+}
+
+inline static gboolean
+mc_fhl_is_link_to_dir (const file_entry_t * fe)
+{
+    return mc_fhl_is_link (fe) && fe->f.link_to_dir;
+}
+
+inline static gboolean
+mc_fhl_is_stale_link (const file_entry_t * fe)
+{
+    return mc_fhl_is_link (fe) ? fe->f.stale_link : !mc_fhl_is_file (fe);
+}
+
+inline static gboolean
+mc_fhl_is_device_char (const file_entry_t * fe)
+{
+#if HAVE_S_ISCHR == 0
+    (void) fe;
+#endif
+    return S_ISCHR (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_device_block (const file_entry_t * fe)
+{
+#if HAVE_S_ISBLK == 0
+    (void) fe;
+#endif
+    return S_ISBLK (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_special_socket (const file_entry_t * fe)
+{
+#if HAVE_S_ISSOCK == 0
+    (void) fe;
+#endif
+    return S_ISSOCK (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_special_fifo (const file_entry_t * fe)
+{
+#if HAVE_S_ISFIFO == 0
+    (void) fe;
+#endif
+    return S_ISFIFO (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_special_door (const file_entry_t * fe)
+{
+#if HAVE_S_ISDOOR == 0
+    (void) fe;
+#endif
+    return S_ISDOOR (fe->st.st_mode);
+}
+
+inline static gboolean
+mc_fhl_is_special (const file_entry_t * fe)
+{
+    return
+        (mc_fhl_is_special_socket (fe) || mc_fhl_is_special_fifo (fe)
+         || mc_fhl_is_special_door (fe));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_fhl_get_color_filetype (const mc_fhl_filter_t * mc_filter, const mc_fhl_t * fhl,
+                           const file_entry_t * fe)
+{
+    gboolean my_color = FALSE;
+
+    (void) fhl;
+
+    switch (mc_filter->file_type)
+    {
+    case MC_FLHGH_FTYPE_T_FILE:
+        if (mc_fhl_is_file (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_FILE_EXE:
+        if (mc_fhl_is_file (fe) && mc_fhl_is_file_exec (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_DIR:
+        if (mc_fhl_is_dir (fe) || mc_fhl_is_link_to_dir (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_LINK_DIR:
+        if (mc_fhl_is_link_to_dir (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_LINK:
+        if (mc_fhl_is_link (fe) || mc_fhl_is_hlink (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_HARDLINK:
+        if (mc_fhl_is_hlink (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_SYMLINK:
+        if (mc_fhl_is_link (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_STALE_LINK:
+        if (mc_fhl_is_stale_link (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_DEVICE:
+        if (mc_fhl_is_device_char (fe) || mc_fhl_is_device_block (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_DEVICE_BLOCK:
+        if (mc_fhl_is_device_block (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_DEVICE_CHAR:
+        if (mc_fhl_is_device_char (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_SPECIAL:
+        if (mc_fhl_is_special (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_SPECIAL_SOCKET:
+        if (mc_fhl_is_special_socket (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_SPECIAL_FIFO:
+        if (mc_fhl_is_special_fifo (fe))
+            my_color = TRUE;
+        break;
+    case MC_FLHGH_FTYPE_T_SPECIAL_DOOR:
+        if (mc_fhl_is_special_door (fe))
+            my_color = TRUE;
+        break;
+    default:
+        break;
+    }
+
+    return my_color ? mc_filter->color_pair_index : -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_fhl_get_color_regexp (const mc_fhl_filter_t * mc_filter, const mc_fhl_t * fhl,
+                         const file_entry_t * fe)
+{
+    (void) fhl;
+
+    if (mc_filter->search_condition == NULL)
+        return -1;
+
+    if (mc_search_run (mc_filter->search_condition, fe->fname->str, 0, fe->fname->len, NULL))
+        return mc_filter->color_pair_index;
+
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_fhl_get_color (const mc_fhl_t * fhl, const file_entry_t * fe)
+{
+    guint i;
+    int ret;
+
+    if (fhl == NULL)
+        return NORMAL_COLOR;
+
+    for (i = 0; i < fhl->filters->len; i++)
+    {
+        mc_fhl_filter_t *mc_filter;
+
+        mc_filter = (mc_fhl_filter_t *) g_ptr_array_index (fhl->filters, i);
+        switch (mc_filter->type)
+        {
+        case MC_FLHGH_T_FTYPE:
+            ret = mc_fhl_get_color_filetype (mc_filter, fhl, fe);
+            if (ret > 0)
+                return -ret;
+            break;
+        case MC_FLHGH_T_EXT:
+        case MC_FLHGH_T_FREGEXP:
+            ret = mc_fhl_get_color_regexp (mc_filter, fhl, fe);
+            if (ret > 0)
+                return -ret;
+            break;
+        default:
+            break;
+        }
+    }
+    return NORMAL_COLOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/filehighlight/ini-file-read.c b/lib/filehighlight/ini-file-read.c
new file mode 100644
index 0000000..88677c2
--- /dev/null
+++ b/lib/filehighlight/ini-file-read.c
@@ -0,0 +1,256 @@
+/*
+   File highlight plugin.
+   Reading and parse rules from ini-files
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/fileloc.h"
+#include "lib/strescape.h"
+#include "lib/skin.h"
+#include "lib/util.h"           /* exist_file() */
+#include "lib/filehighlight.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_fhl_parse_fill_color_info (mc_fhl_filter_t * mc_filter, mc_fhl_t * fhl, const gchar * group_name)
+{
+    (void) fhl;
+    mc_filter->color_pair_index = mc_skin_color_get ("filehighlight", group_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_fhl_parse_get_file_type_id (mc_fhl_t * fhl, const gchar * group_name)
+{
+    mc_fhl_filter_t *mc_filter;
+
+    const gchar *types[] = {
+        "FILE", "FILE_EXE",
+        "DIR", "LINK_DIR",
+        "LINK", "HARDLINK", "SYMLINK",
+        "STALE_LINK",
+        "DEVICE", "DEVICE_BLOCK", "DEVICE_CHAR",
+        "SPECIAL", "SPECIAL_SOCKET", "SPECIAL_FIFO", "SPECIAL_DOOR",
+        NULL
+    };
+    int i;
+    gchar *param_type = mc_config_get_string (fhl->config, group_name, "type", "");
+
+    if (*param_type == '\0')
+    {
+        g_free (param_type);
+        return FALSE;
+    }
+
+    for (i = 0; types[i] != NULL; i++)
+    {
+        if (strcmp (types[i], param_type) == 0)
+            break;
+    }
+    g_free (param_type);
+    if (types[i] == NULL)
+        return FALSE;
+
+    mc_filter = g_new0 (mc_fhl_filter_t, 1);
+    mc_filter->type = MC_FLHGH_T_FTYPE;
+    mc_filter->file_type = (mc_flhgh_ftype_type) i;
+    mc_fhl_parse_fill_color_info (mc_filter, fhl, group_name);
+
+    g_ptr_array_add (fhl->filters, (gpointer) mc_filter);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_fhl_parse_get_regexp (mc_fhl_t * fhl, const gchar * group_name)
+{
+    mc_fhl_filter_t *mc_filter;
+    gchar *regexp = mc_config_get_string (fhl->config, group_name, "regexp", "");
+
+    if (*regexp == '\0')
+    {
+        g_free (regexp);
+        return FALSE;
+    }
+
+    mc_filter = g_new0 (mc_fhl_filter_t, 1);
+    mc_filter->type = MC_FLHGH_T_FREGEXP;
+    mc_filter->search_condition = mc_search_new (regexp, DEFAULT_CHARSET);
+    mc_filter->search_condition->is_case_sensitive = TRUE;
+    mc_filter->search_condition->search_type = MC_SEARCH_T_REGEX;
+
+    mc_fhl_parse_fill_color_info (mc_filter, fhl, group_name);
+    g_ptr_array_add (fhl->filters, (gpointer) mc_filter);
+    g_free (regexp);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_fhl_parse_get_extensions (mc_fhl_t * fhl, const gchar * group_name)
+{
+    mc_fhl_filter_t *mc_filter;
+    gchar **exts, **exts_orig;
+    GString *buf;
+
+    exts_orig = mc_config_get_string_list (fhl->config, group_name, "extensions", NULL);
+    if (exts_orig == NULL || exts_orig[0] == NULL)
+    {
+        g_strfreev (exts_orig);
+        return FALSE;
+    }
+
+    buf = g_string_sized_new (64);
+
+    for (exts = exts_orig; *exts != NULL; exts++)
+    {
+        char *esc_ext;
+
+        esc_ext = strutils_regex_escape (*exts);
+        if (buf->len != 0)
+            g_string_append_c (buf, '|');
+        g_string_append (buf, esc_ext);
+        g_free (esc_ext);
+    }
+    g_strfreev (exts_orig);
+
+    g_string_prepend (buf, ".*\\.(");
+    g_string_append (buf, ")$");
+
+    mc_filter = g_new0 (mc_fhl_filter_t, 1);
+    mc_filter->type = MC_FLHGH_T_FREGEXP;
+    mc_filter->search_condition = mc_search_new_len (buf->str, buf->len, DEFAULT_CHARSET);
+    mc_filter->search_condition->is_case_sensitive =
+        mc_config_get_bool (fhl->config, group_name, "extensions_case", FALSE);
+    mc_filter->search_condition->search_type = MC_SEARCH_T_REGEX;
+
+    mc_fhl_parse_fill_color_info (mc_filter, fhl, group_name);
+    g_ptr_array_add (fhl->filters, (gpointer) mc_filter);
+    g_string_free (buf, TRUE);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_fhl_read_ini_file (mc_fhl_t * fhl, const gchar * filename)
+{
+    if (fhl == NULL || filename == NULL || !exist_file (filename))
+        return FALSE;
+
+    if (fhl->config != NULL)
+        return mc_config_read_file (fhl->config, filename, TRUE, FALSE);
+
+    fhl->config = mc_config_init (filename, TRUE);
+    return (fhl->config != NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_fhl_init_from_standard_files (mc_fhl_t * fhl)
+{
+    gchar *name;
+    gboolean ok;
+
+    /* ${XDG_CONFIG_HOME}/mc/filehighlight.ini */
+    name = mc_config_get_full_path (MC_FHL_INI_FILE);
+    ok = mc_fhl_read_ini_file (fhl, name);
+    g_free (name);
+    if (ok)
+        return TRUE;
+
+    /* ${sysconfdir}/mc/filehighlight.ini  */
+    name = g_build_filename (mc_global.sysconfig_dir, MC_FHL_INI_FILE, (char *) NULL);
+    ok = mc_fhl_read_ini_file (fhl, name);
+    g_free (name);
+    if (ok)
+        return TRUE;
+
+    /* ${datadir}/mc/filehighlight.ini  */
+    name = g_build_filename (mc_global.share_data_dir, MC_FHL_INI_FILE, (char *) NULL);
+    ok = mc_fhl_read_ini_file (fhl, name);
+    g_free (name);
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_fhl_parse_ini_file (mc_fhl_t * fhl)
+{
+    gchar **group_names, **orig_group_names;
+    gboolean ok;
+
+    mc_fhl_array_free (fhl);
+    fhl->filters = g_ptr_array_new ();
+
+    orig_group_names = mc_config_get_groups (fhl->config, NULL);
+    ok = (*orig_group_names != NULL);
+
+    for (group_names = orig_group_names; *group_names != NULL; group_names++)
+    {
+        if (mc_config_has_param (fhl->config, *group_names, "type"))
+        {
+            /* parse filetype filter */
+            mc_fhl_parse_get_file_type_id (fhl, *group_names);
+        }
+        if (mc_config_has_param (fhl->config, *group_names, "regexp"))
+        {
+            /* parse regexp filter */
+            mc_fhl_parse_get_regexp (fhl, *group_names);
+        }
+        if (mc_config_has_param (fhl->config, *group_names, "extensions"))
+        {
+            /* parse extensions filter */
+            mc_fhl_parse_get_extensions (fhl, *group_names);
+        }
+    }
+
+    g_strfreev (orig_group_names);
+
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/filehighlight/internal.h b/lib/filehighlight/internal.h
new file mode 100644
index 0000000..0d96f9d
--- /dev/null
+++ b/lib/filehighlight/internal.h
@@ -0,0 +1,60 @@
+#ifndef MC__FILEHIGHLIGHT_INTERNAL_H
+#define MC__FILEHIGHLIGHT_INTERNAL_H
+
+#include "lib/search.h"         /* mc_search_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    MC_FLHGH_T_FTYPE,
+    MC_FLHGH_T_EXT,
+    MC_FLHGH_T_FREGEXP
+} mc_flhgh_filter_type;
+
+typedef enum
+{
+    MC_FLHGH_FTYPE_T_FILE,
+    MC_FLHGH_FTYPE_T_FILE_EXE,
+    MC_FLHGH_FTYPE_T_DIR,
+    MC_FLHGH_FTYPE_T_LINK_DIR,
+    MC_FLHGH_FTYPE_T_LINK,
+    MC_FLHGH_FTYPE_T_HARDLINK,
+    MC_FLHGH_FTYPE_T_SYMLINK,
+    MC_FLHGH_FTYPE_T_STALE_LINK,
+    MC_FLHGH_FTYPE_T_DEVICE,
+    MC_FLHGH_FTYPE_T_DEVICE_BLOCK,
+    MC_FLHGH_FTYPE_T_DEVICE_CHAR,
+    MC_FLHGH_FTYPE_T_SPECIAL,
+    MC_FLHGH_FTYPE_T_SPECIAL_SOCKET,
+    MC_FLHGH_FTYPE_T_SPECIAL_FIFO,
+    MC_FLHGH_FTYPE_T_SPECIAL_DOOR,
+} mc_flhgh_ftype_type;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_fhl_filter_struct
+{
+
+    int color_pair_index;
+    gchar *fgcolor;
+    gchar *bgcolor;
+    mc_flhgh_filter_type type;
+    mc_search_t *search_condition;
+    mc_flhgh_ftype_type file_type;
+
+} mc_fhl_filter_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void mc_fhl_array_free (mc_fhl_t * fhl);
+
+gboolean mc_fhl_init_from_standard_files (mc_fhl_t * fhl);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__FILEHIGHLIGHT_INTERNAL_H */
diff --git a/lib/fileloc.h b/lib/fileloc.h
new file mode 100644
index 0000000..ebcfe9d
--- /dev/null
+++ b/lib/fileloc.h
@@ -0,0 +1,95 @@
+/** \file  fileloc.h
+ *  \brief Header: config files list
+ *
+ *  This file defines the locations of the various user specific
+ *  configuration files of the Midnight Commander. Historically the
+ *  system wide and the user specific file names have not always been
+ *  the same, so don't use these names for finding system wide
+ *  configuration files.
+ *
+ *  \todo This inconsistency should disappear in the one of the next versions (5.0?)
+ */
+
+#ifndef MC_FILELOC_H
+#define MC_FILELOC_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifndef MC_USERCONF_DIR
+#define MC_USERCONF_DIR         "mc"
+#endif
+
+#define TAGS_NAME               "TAGS"
+
+#define MC_GLOBAL_CONFIG_FILE   "mc.lib"
+#define MC_GLOBAL_MENU          "mc.menu"
+#define MC_LOCAL_MENU           ".mc.menu"
+#define MC_HINT                 "hints" PATH_SEP_STR "mc.hint"
+#define MC_HELP                 "help" PATH_SEP_STR "mc.hlp"
+#define GLOBAL_KEYMAP_FILE      "mc.keymap"
+#define CHARSETS_LIST           "mc.charsets"
+#define MC_MACRO_FILE           "mc.macros"
+
+#define FISH_PREFIX             "fish"
+
+#define FISH_LS_FILE            "ls"
+#define FISH_EXISTS_FILE        "fexists"
+#define FISH_MKDIR_FILE         "mkdir"
+#define FISH_UNLINK_FILE        "unlink"
+#define FISH_CHOWN_FILE         "chown"
+#define FISH_CHMOD_FILE         "chmod"
+#define FISH_UTIME_FILE         "utime"
+#define FISH_RMDIR_FILE         "rmdir"
+#define FISH_LN_FILE            "ln"
+#define FISH_MV_FILE            "mv"
+#define FISH_HARDLINK_FILE      "hardlink"
+#define FISH_GET_FILE           "get"
+#define FISH_SEND_FILE          "send"
+#define FISH_APPEND_FILE        "append"
+#define FISH_INFO_FILE          "info"
+
+#define MC_EXTFS_DIR            "extfs.d"
+
+#define MC_BASHRC_FILE          "bashrc"
+#define MC_ZSHRC_FILE           ".zshrc"
+#define MC_ASHRC_FILE           "ashrc"
+#define MC_INPUTRC_FILE         "inputrc"
+#define MC_CONFIG_FILE          "ini"
+#define MC_EXT_FILE             "mc.ext.ini"
+#define MC_EXT_OLD_FILE         "mc.ext"
+#define MC_FILEPOS_FILE         "filepos"
+#define MC_HISTORY_FILE         "history"
+#define MC_HOTLIST_FILE         "hotlist"
+#define MC_USERMENU_FILE        "menu"
+#define MC_TREESTORE_FILE       "Tree"
+#define MC_PANELS_FILE          "panels.ini"
+#define MC_FHL_INI_FILE         "filehighlight.ini"
+
+#define MC_SKINS_DIR            "skins"
+
+/* editor home directory */
+#define EDIT_HOME_DIR           "mcedit"
+
+/* file names */
+#define EDIT_HOME_MACRO_FILE    EDIT_HOME_DIR PATH_SEP_STR "macros.d" PATH_SEP_STR "macro"
+#define EDIT_HOME_CLIP_FILE     EDIT_HOME_DIR PATH_SEP_STR "mcedit.clip"
+#define EDIT_HOME_BLOCK_FILE    EDIT_HOME_DIR PATH_SEP_STR "mcedit.block"
+#define EDIT_HOME_TEMP_FILE     EDIT_HOME_DIR PATH_SEP_STR "mcedit.temp"
+#define EDIT_SYNTAX_DIR         "syntax"
+#define EDIT_SYNTAX_FILE        EDIT_SYNTAX_DIR PATH_SEP_STR "Syntax"
+
+#define EDIT_GLOBAL_MENU        "mcedit.menu"
+#define EDIT_LOCAL_MENU         ".cedit.menu"
+#define EDIT_HOME_MENU          EDIT_HOME_DIR PATH_SEP_STR "menu"
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif
diff --git a/lib/fs.h b/lib/fs.h
new file mode 100644
index 0000000..40d29f4
--- /dev/null
+++ b/lib/fs.h
@@ -0,0 +1,124 @@
+/** \file fs.h
+ *  \brief Header: fs compatibility definitions
+ */
+
+/* Include file to use opendir/closedir/readdir */
+
+#ifndef MC_FS_H
+#define MC_FS_H
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifdef S_ISREG
+#define HAVE_S_ISREG 1
+#else
+#define HAVE_S_ISREG 0
+#define S_ISREG(x) 0
+#endif
+
+#ifdef S_ISDIR
+#define HAVE_S_ISDIR 1
+#else
+#define HAVE_S_ISDIR 0
+#define S_ISDIR(x) 0
+#endif
+
+/* Replacement for permission bits missing in sys/stat.h */
+#ifdef S_ISLNK
+#define HAVE_S_ISLNK 1
+#else
+#define HAVE_S_ISLNK 0
+#define S_ISLNK(x) 0
+#endif
+
+#ifdef S_ISSOCK
+#define HAVE_S_ISSOCK 1
+#else
+#define HAVE_S_ISSOCK 0
+#define S_ISSOCK(x) 0
+#endif
+
+#ifdef S_ISFIFO
+#define HAVE_S_ISFIFO 1
+#else
+#define HAVE_S_ISFIFO 0
+#define S_ISFIFO(x) 0
+#endif
+
+#ifdef S_ISCHR
+#define HAVE_S_ISCHR 1
+#else
+#define HAVE_S_ISCHR 0
+#define S_ISCHR(x) 0
+#endif
+
+#ifdef S_ISBLK
+#define HAVE_S_ISBLK 1
+#else
+#define HAVE_S_ISBLK 0
+#define S_ISBLK(x) 0
+#endif
+
+/* Door is something that only exists on Solaris */
+#ifdef S_ISDOOR
+#define HAVE_S_ISDOOR 1
+#else
+#define HAVE_S_ISDOOR 0
+#define S_ISDOOR(x) 0
+#endif
+
+/* Special named files are widely used in QNX6 */
+#ifdef S_ISNAM
+#define HAVE_S_ISNAM 1
+#else
+#define HAVE_S_ISNAM 0
+#define S_ISNAM(x) 0
+#endif
+
+#ifndef PATH_MAX
+#ifdef _POSIX_VERSION
+#define PATH_MAX _POSIX_PATH_MAX
+#else
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#endif
+
+#ifndef MAXPATHLEN
+#define MC_MAXPATHLEN 4096
+#else
+#define MC_MAXPATHLEN MAXPATHLEN
+#endif
+
+/* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
+#define NLENGTH(dirent) (strlen ((dirent)->d_name))
+
+/* DragonFlyBSD doesn't provide MAXNAMLEN macro */
+#ifndef MAXNAMLEN
+#define MAXNAMLEN NAME_MAX
+#endif
+
+#define MC_MAXFILENAMELEN MAXNAMLEN
+
+#define DIR_IS_DOT(x) ((x)[0] == '.' && (x)[1] == '\0')
+#define DIR_IS_DOTDOT(x) ((x)[0] == '.' && (x)[1] == '.' && (x)[2] == '\0')
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif
diff --git a/lib/glibcompat.c b/lib/glibcompat.c
new file mode 100644
index 0000000..9d0f306
--- /dev/null
+++ b/lib/glibcompat.c
@@ -0,0 +1,210 @@
+/*
+   GLIB - Library of useful routines for C programming
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009, 2013.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file glibcompat.c
+ *  \brief Source: compatibility with older versions of glib
+ *
+ *  Following code was copied from glib to GNU Midnight Commander to
+ *  provide compatibility with older versions of glib.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "global.h"
+#include "glibcompat.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#if ! GLIB_CHECK_VERSION (2, 63, 3)
+/**
+ * g_clear_slist: (skip)
+ * @slist_ptr: (not nullable): a #GSList return location
+ * @destroy: (nullable): the function to pass to g_slist_free_full() or NULL to not free elements
+ *
+ * Clears a pointer to a #GSList, freeing it and, optionally, freeing its elements using @destroy.
+ *
+ * @slist_ptr must be a valid pointer. If @slist_ptr points to a null #GSList, this does nothing.
+ *
+ * Since: 2.64
+ */
+void
+g_clear_slist (GSList ** slist_ptr, GDestroyNotify destroy)
+{
+    GSList *slist;
+
+    slist = *slist_ptr;
+
+    if (slist != NULL)
+    {
+        *slist_ptr = NULL;
+
+        if (destroy != NULL)
+            g_slist_free_full (slist, destroy);
+        else
+            g_slist_free (slist);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * g_clear_list:
+ * @list_ptr: (not nullable): a #GList return location
+ * @destroy: (nullable): the function to pass to g_list_free_full() or NULL to not free elements
+ *
+ * Clears a pointer to a #GList, freeing it and, optionally, freeing its elements using @destroy.
+ *
+ * @list_ptr must be a valid pointer. If @list_ptr points to a null #GList, this does nothing.
+ *
+ * Since: 2.64
+ */
+void
+g_clear_list (GList ** list_ptr, GDestroyNotify destroy)
+{
+    GList *list;
+
+    list = *list_ptr;
+
+    if (list != NULL)
+    {
+        *list_ptr = NULL;
+
+        if (destroy != NULL)
+            g_list_free_full (list, destroy);
+        else
+            g_list_free (list);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* ! GLIB_CHECK_VERSION (2, 63, 3) */
+
+#if ! GLIB_CHECK_VERSION (2, 32, 0)
+/**
+ * g_queue_free_full:
+ * @queue: a pointer to a #GQueue
+ * @free_func: the function to be called to free each element's data
+ *
+ * Convenience method, which frees all the memory used by a #GQueue,
+ * and calls the specified destroy function on every element's data.
+ *
+ * Since: 2.32
+ */
+void
+g_queue_free_full (GQueue * queue, GDestroyNotify free_func)
+{
+    g_queue_foreach (queue, (GFunc) free_func, NULL);
+    g_queue_free (queue);
+}
+#endif /* ! GLIB_CHECK_VERSION (2, 32, 0) */
+
+/* --------------------------------------------------------------------------------------------- */
+
+#if ! GLIB_CHECK_VERSION (2, 60, 0)
+/**
+ * g_queue_clear_full:
+ * @queue: a pointer to a #GQueue
+ * @free_func: (nullable): the function to be called to free memory allocated
+ *
+ * Convenience method, which frees all the memory used by a #GQueue,
+ * and calls the provided @free_func on each item in the #GQueue.
+ *
+ * Since: 2.60
+ */
+void
+g_queue_clear_full (GQueue * queue, GDestroyNotify free_func)
+{
+    g_return_if_fail (queue != NULL);
+
+    if (free_func != NULL)
+        g_queue_foreach (queue, (GFunc) free_func, NULL);
+
+    g_queue_clear (queue);
+}
+#endif /* ! GLIB_CHECK_VERSION (2, 60, 0) */
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * mc_g_string_copy:
+ * @dest: (not nullable): the destination #GString. Its current contents are destroyed
+ * @src: (not nullable): the source #GString
+ * @return: @dest
+ *
+ * Copies the bytes from a #GString into a #GString, destroying any previous contents.
+ * It is rather like the standard strcpy() function, except that you do not have to worry about
+ * having enough space to copy the string.
+ *
+ * There is no such API in GLib2.
+ */
+GString *
+mc_g_string_copy (GString * dest, const GString * src)
+{
+    g_return_val_if_fail (src != NULL, NULL);
+    g_return_val_if_fail (dest != NULL, NULL);
+
+    g_string_set_size (dest, 0);
+    g_string_append_len (dest, src->str, src->len);
+
+    return dest;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * mc_g_string_dup:
+ * @s: (nullable): the source #GString
+ * @return: @copy of @s
+ *
+ * Copies the bytes from one #GString to another.
+ *
+ * There is no such API in GLib2.
+ */
+GString *
+mc_g_string_dup (const GString * s)
+{
+    GString *ret = NULL;
+
+    if (s != NULL)
+        ret = g_string_new_len (s->str, s->len);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/glibcompat.h b/lib/glibcompat.h
new file mode 100644
index 0000000..cb40966
--- /dev/null
+++ b/lib/glibcompat.h
@@ -0,0 +1,40 @@
+#ifndef MC_GLIBCOMPAT_H
+#define MC_GLIBCOMPAT_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifndef G_OPTION_ENTRY_NULL
+#define G_OPTION_ENTRY_NULL \
+  { NULL, '\0', 0, 0, NULL, NULL, NULL }
+#endif /* G_OPTION_ENTRY_NULL */
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+#if ! GLIB_CHECK_VERSION (2, 63, 3)
+void g_clear_slist (GSList ** slist_ptr, GDestroyNotify destroy);
+void g_clear_list (GList ** list_ptr, GDestroyNotify destroy);
+#endif /* ! GLIB_CHECK_VERSION (2, 63, 3) */
+
+#if ! GLIB_CHECK_VERSION (2, 32, 0)
+void g_queue_free_full (GQueue * queue, GDestroyNotify free_func);
+#endif /* ! GLIB_CHECK_VERSION (2, 32, 0) */
+
+#if ! GLIB_CHECK_VERSION (2, 60, 0)
+void g_queue_clear_full (GQueue * queue, GDestroyNotify free_func);
+#endif /* ! GLIB_CHECK_VERSION (2, 60, 0) */
+
+/* There is no such API in GLib2 */
+GString *mc_g_string_copy (GString * dest, const GString * src);
+
+/* There is no such API in GLib2 */
+GString *mc_g_string_dup (const GString * s);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_GLIBCOMPAT_H */
diff --git a/lib/global.c b/lib/global.c
new file mode 100644
index 0000000..1a47f1a
--- /dev/null
+++ b/lib/global.c
@@ -0,0 +1,135 @@
+/*
+   Global structure for some library-related variables
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file glibcompat.c
+ *  \brief Source: global structure for some library-related variables
+ *
+ */
+
+#include <config.h>
+
+#include "mc-version.h"
+
+#include "global.h"
+
+/* *INDENT-OFF* */
+#ifdef ENABLE_SUBSHELL
+#  ifdef SUBSHELL_OPTIONAL
+#    define SUBSHELL_USE FALSE
+#  else /* SUBSHELL_OPTIONAL */
+#    define SUBSHELL_USE TRUE
+#  endif /* SUBSHELL_OPTIONAL */
+#else /* !ENABLE_SUBSHELL */
+#    define SUBSHELL_USE FALSE
+#endif /* !ENABLE_SUBSHELL */
+/* *INDENT-ON* */
+
+/*** global variables ****************************************************************************/
+
+/* *INDENT-OFF* */
+mc_global_t mc_global =
+{
+    .mc_version = MC_CURRENT_VERSION,
+
+    .mc_run_mode = MC_RUN_FULL,
+    .run_from_parent_mc = FALSE,
+    .midnight_shutdown = FALSE,
+
+    .sysconfig_dir = NULL,
+    .share_data_dir = NULL,
+
+#ifdef HAVE_CHARSET
+    .source_codepage = -1,
+    .display_codepage = -1,
+#else
+    .eight_bit_clean = TRUE,
+    .full_eight_bits = FALSE,
+#endif /* !HAVE_CHARSET */
+    .utf8_display = FALSE,
+
+    .message_visible = TRUE,
+    .keybar_visible = TRUE,
+
+#ifdef ENABLE_BACKGROUND
+    .we_are_background = FALSE,
+#endif /* ENABLE_BACKGROUND */
+
+    .widget =
+    {
+        .confirm_history_cleanup = TRUE,
+        .show_all_if_ambiguous = FALSE,
+        .is_right = FALSE
+    },
+
+    .shell = NULL,
+
+    .tty =
+    {
+        .skin = NULL,
+        .shadows = TRUE,
+        .setup_color_string = NULL,
+        .term_color_string = NULL,
+        .color_terminal_string = NULL,
+        .command_line_colors = NULL,
+#ifndef LINUX_CONS_SAVER_C
+        .console_flag = '\0',
+#endif /* !LINUX_CONS_SAVER_C */
+
+        .use_subshell = SUBSHELL_USE,
+
+#ifdef ENABLE_SUBSHELL
+        .subshell_pty = 0,
+#endif /* !ENABLE_SUBSHELL */
+
+        .xterm_flag = FALSE,
+        .disable_x11 = FALSE,
+        .slow_terminal = FALSE,
+        .disable_colors = FALSE,
+        .ugly_line_drawing = FALSE,
+        .old_mouse = FALSE,
+        .alternate_plus_minus = FALSE
+    },
+
+    .vfs =
+    {
+        .cd_symlinks = TRUE,
+        .preallocate_space = FALSE,
+    }
+
+};
+/* *INDENT-ON* */
+
+#undef SUBSHELL_USE
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/global.h b/lib/global.h
new file mode 100644
index 0000000..bd77bbd
--- /dev/null
+++ b/lib/global.h
@@ -0,0 +1,290 @@
+/** \file global.h
+ *  \brief Header: %global definitions for compatibility
+ *
+ *  This file should be included after all system includes and before all local includes.
+ */
+
+#ifndef MC_GLOBAL_H
+#define MC_GLOBAL_H
+
+#if defined(HAVE_STRING_H)
+#include <string.h>
+   /* An ANSI string.h and pre-ANSI memory.h might conflict */
+#elif defined(HAVE_MEMORY_H)
+#include <memory.h>
+#else
+#include <strings.h>
+    /* memory and strings.h conflict on other systems */
+#endif /* !STDC_HEADERS & !HAVE_STRING_H */
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+/* for O_* macros */
+#include <fcntl.h>
+
+/* for sig_atomic_t */
+#include <signal.h>
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FALLTHROUGH
+#define MC_FALLTHROUGH __attribute__((fallthrough))
+#else
+#define MC_FALLTHROUGH
+#endif
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* The O_BINARY definition was taken from gettext */
+#if !defined O_BINARY && defined _O_BINARY
+  /* For MSC-compatible compilers.  */
+#define O_BINARY _O_BINARY
+#endif
+#ifdef __BEOS__
+  /* BeOS 5 has O_BINARY, but is has no effect.  */
+#undef O_BINARY
+#endif
+/* On reasonable systems, binary I/O is the default.  */
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+/* Replacement for O_NONBLOCK */
+#ifndef O_NONBLOCK
+#ifdef O_NDELAY                 /* SYSV */
+#define O_NONBLOCK O_NDELAY
+#else /* BSD */
+#define O_NONBLOCK FNDELAY
+#endif /* !O_NDELAY */
+#endif /* !O_NONBLOCK */
+
+#if defined(__QNX__) && !defined(__QNXNTO__)
+/* exec*() from <process.h> */
+#include <unix.h>
+#endif
+
+#include <glib.h>
+#include "glibcompat.h"
+
+/* Solaris9 doesn't have PRIXMAX */
+#ifndef PRIXMAX
+#define PRIXMAX PRIxMAX
+#endif
+
+#ifdef ENABLE_NLS
+#include <libintl.h>
+#define _(String) gettext (String)
+#ifdef gettext_noop
+#define N_(String) gettext_noop (String)
+#else
+#define N_(String) (String)
+#endif
+#else /* Stubs that do something close enough.  */
+#define textdomain(String) 1
+#define gettext(String) (String)
+#define ngettext(String1,String2,Num) (((Num) == 1) ? (String1) : (String2))
+#define dgettext(Domain,Message) (Message)
+#define dcgettext(Domain,Message,Type) (Message)
+#define bindtextdomain(Domain,Directory) 1
+#define _(String) (String)
+#define N_(String) (String)
+#endif /* !ENABLE_NLS */
+
+#include "fs.h"
+#include "shell.h"
+#include "mcconfig.h"
+
+#ifdef USE_MAINTAINER_MODE
+#include "lib/logging.h"
+#endif
+
+/* Just for keeping Your's brains from invention a proper size of the buffer :-) */
+#define BUF_10K 10240L
+#define BUF_8K  8192L
+#define BUF_4K  4096L
+#define BUF_1K  1024L
+
+#define BUF_LARGE  BUF_1K
+#define BUF_MEDIUM 512
+#define BUF_SMALL 128
+#define BUF_TINY 64
+
+/* ESC_CHAR is defined in /usr/include/langinfo.h in some systems */
+#ifdef ESC_CHAR
+#undef ESC_CHAR
+#endif
+/* AIX compiler doesn't understand '\e' */
+#define ESC_CHAR '\033'
+#define ESC_STR  "\033"
+
+/* OS specific defines */
+#define PATH_SEP '/'
+#define PATH_SEP_STR "/"
+#define IS_PATH_SEP(c) ((c) == PATH_SEP)
+#define PATH_ENV_SEP ':'
+#define TMPDIR_DEFAULT "/tmp"
+#define SCRIPT_SUFFIX ""
+#define get_default_editor() "vi"
+#define OS_SORT_CASE_SENSITIVE_DEFAULT TRUE
+#define UTF8_CHAR_LEN 6
+
+/* struct stat members */
+#ifdef __APPLE__
+#define st_atim st_atimespec
+#define st_ctim st_ctimespec
+#define st_mtim st_mtimespec
+#endif
+
+/* Used to distinguish between a normal MC termination and */
+/* one caused by typing 'exit' or 'logout' in the subshell */
+#define SUBSHELL_EXIT 128
+
+#define MC_ERROR g_quark_from_static_string (PACKAGE)
+
+#define DEFAULT_CHARSET "ASCII"
+
+/*** enums ***************************************************************************************/
+
+/* run mode and params */
+typedef enum
+{
+    MC_RUN_FULL = 0,
+    MC_RUN_EDITOR,
+    MC_RUN_VIEWER,
+    MC_RUN_DIFFVIEWER
+} mc_run_mode_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    const char *mc_version;
+
+    mc_run_mode_t mc_run_mode;
+    gboolean run_from_parent_mc;
+    /* Used so that widgets know if they are being destroyed or shut down */
+    gboolean midnight_shutdown;
+
+    /* sysconfig_dir: Area for default settings from maintainers of distributuves
+       default is /etc/mc or may be defined by MC_DATADIR */
+    char *sysconfig_dir;
+    /* share_data_dir: Area for default settings from developers */
+    char *share_data_dir;
+
+    mc_config_t *main_config;
+    mc_config_t *panels_config;
+
+#ifdef HAVE_CHARSET
+    /* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
+    int source_codepage;
+    int display_codepage;
+#else
+    /* If true, allow characters in the range 160-255 */
+    gboolean eight_bit_clean;
+    /*
+     * If true, also allow characters in the range 128-159.
+     * This is reported to break on many terminals (xterm, qansi-m).
+     */
+    gboolean full_eight_bits;
+#endif                          /* !HAVE_CHARSET */
+    /*
+     * If utf-8 terminal utf8_display = TRUE
+     * Display bits set UTF-8
+     */
+    gboolean utf8_display;
+
+    /* Set if the nice message (hint) bar is visible */
+    gboolean message_visible;
+    /* Set if the nice and useful keybar is visible */
+    gboolean keybar_visible;
+
+#ifdef ENABLE_BACKGROUND
+    /* If true, this is a background process */
+    gboolean we_are_background;
+#endif                          /* ENABLE_BACKGROUND */
+
+    struct
+    {
+        /* Asks for confirmation before clean up of history */
+        gboolean confirm_history_cleanup;
+
+        /* Set if you want the possible completions dialog for the first time */
+        gboolean show_all_if_ambiguous;
+
+        /* Ugly hack in order to distinguish between left and right panel in menubar */
+        /* Set if the command is being run from the "Right" menu */
+        gboolean is_right;      /* If the selected menu was the right */
+    } widget;
+
+    /* The user's shell */
+    mc_shell_t *shell;
+
+    struct
+    {
+        /* Use the specified skin */
+        char *skin;
+        /* Dialog window and frop down menu have a shadow */
+        gboolean shadows;
+
+        char *setup_color_string;
+        char *term_color_string;
+        char *color_terminal_string;
+        /* colors specified on the command line: they override any other setting */
+        char *command_line_colors;
+
+#ifndef LINUX_CONS_SAVER_C
+        /* Used only in mc, not in cons.saver */
+        char console_flag;
+#endif                          /* !LINUX_CONS_SAVER_C */
+        /* If using a subshell for evaluating commands this is true */
+        gboolean use_subshell;
+
+#ifdef ENABLE_SUBSHELL
+        /* File descriptors of the pseudoterminal used by the subshell */
+        int subshell_pty;
+#endif                          /* !ENABLE_SUBSHELL */
+
+        /* This flag is set by xterm detection routine in function main() */
+        /* It is used by function toggle_subshell() */
+        gboolean xterm_flag;
+
+        /* disable x11 support */
+        gboolean disable_x11;
+
+        /* For slow terminals */
+        /* If true lines are shown by spaces */
+        gboolean slow_terminal;
+
+        /* Set to force black and white display at program startup */
+        gboolean disable_colors;
+
+        /* If true use +, -, | for line drawing */
+        gboolean ugly_line_drawing;
+
+        /* Tries to use old highlight mouse tracking */
+        gboolean old_mouse;
+
+        /* If true, use + and \ keys normally and select/unselect do if M-+ / M-\.
+           and M-- and keypad + / - */
+        gboolean alternate_plus_minus;
+    } tty;
+
+    struct
+    {
+        /* Set when cd symlink following is desirable (bash mode) */
+        gboolean cd_symlinks;
+
+        /* Preallocate space before file copying */
+        gboolean preallocate_space;
+
+    } vfs;
+} mc_global_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern mc_global_t mc_global;
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+#endif
diff --git a/lib/hook.c b/lib/hook.c
new file mode 100644
index 0000000..4e553b2
--- /dev/null
+++ b/lib/hook.c
@@ -0,0 +1,133 @@
+/*
+   Hooks.
+
+   Slavaz: Warning! this file is deprecated and should be replaced
+   by mcevents functional.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1994, 1995, 1996
+   Janne Kukonlehto, 1994, 1995, 1996
+   Dugan Porter, 1994, 1995, 1996
+   Jakub Jelinek, 1994, 1995, 1996
+   Mauricio Plaza, 1994, 1995, 1996
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: hooks
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/hook.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+add_hook (hook_t ** hook_list, void (*hook_fn) (void *), void *data)
+{
+    hook_t *new_hook = g_new (hook_t, 1);
+
+    new_hook->hook_fn = hook_fn;
+    new_hook->next = *hook_list;
+    new_hook->hook_data = data;
+
+    *hook_list = new_hook;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+execute_hooks (hook_t * hook_list)
+{
+    hook_t *new_hook = NULL;
+    hook_t *p;
+
+    /* We copy the hook list first so tahat we let the hook
+     * function call delete_hook
+     */
+
+    while (hook_list != NULL)
+    {
+        add_hook (&new_hook, hook_list->hook_fn, hook_list->hook_data);
+        hook_list = hook_list->next;
+    }
+    p = new_hook;
+
+    while (new_hook != NULL)
+    {
+        new_hook->hook_fn (new_hook->hook_data);
+        new_hook = new_hook->next;
+    }
+
+    for (hook_list = p; hook_list != NULL;)
+    {
+        p = hook_list;
+        hook_list = hook_list->next;
+        g_free (p);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+delete_hook (hook_t ** hook_list, void (*hook_fn) (void *))
+{
+    hook_t *new_list = NULL;
+    hook_t *current, *next;
+
+    for (current = *hook_list; current != NULL; current = next)
+    {
+        next = current->next;
+        if (current->hook_fn == hook_fn)
+            g_free (current);
+        else
+            add_hook (&new_list, current->hook_fn, current->hook_data);
+    }
+    *hook_list = new_list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+hook_present (hook_t * hook_list, void (*hook_fn) (void *))
+{
+    hook_t *p;
+
+    for (p = hook_list; p != NULL; p = p->next)
+        if (p->hook_fn == hook_fn)
+            return TRUE;
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/hook.h b/lib/hook.h
new file mode 100644
index 0000000..0cd3f46
--- /dev/null
+++ b/lib/hook.h
@@ -0,0 +1,34 @@
+/** \file lib/hook.h
+ *  \brief Header: hooks
+ */
+
+#ifndef MC_HOOK_H
+#define MC_HOOK_H
+
+#include "lib/global.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct hook_t
+{
+    void (*hook_fn) (void *);
+    void *hook_data;
+    struct hook_t *next;
+} hook_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void add_hook (hook_t ** hook_list, void (*hook_fn) (void *), void *data);
+void execute_hooks (hook_t * hook_list);
+void delete_hook (hook_t ** hook_list, void (*hook_fn) (void *));
+gboolean hook_present (hook_t * hook_list, void (*hook_fn) (void *));
+
+/*** inline functions **************************************************/
+
+#endif /* MC_HOOK_H */
diff --git a/lib/keybind.c b/lib/keybind.c
new file mode 100644
index 0000000..d05e34f
--- /dev/null
+++ b/lib/keybind.c
@@ -0,0 +1,506 @@
+/*
+   Definitions of key bindings.
+
+   Copyright (C) 2005-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Vitja Makarov, 2005
+   Ilia Maslakov <il.smind@gmail.com>, 2009, 2012
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2020
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+#include "lib/tty/key.h"        /* KEY_M_ */
+#include "lib/keybind.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define ADD_KEYMAP_NAME(name) \
+    { #name, CK_##name }
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct name_keymap_t
+{
+    const char *name;
+    long val;
+} name_keymap_t;
+
+/*** file scope variables ************************************************************************/
+
+static name_keymap_t command_names[] = {
+    /* common */
+    ADD_KEYMAP_NAME (InsertChar),
+    ADD_KEYMAP_NAME (Enter),
+    ADD_KEYMAP_NAME (ChangePanel),
+    ADD_KEYMAP_NAME (Up),
+    ADD_KEYMAP_NAME (Down),
+    ADD_KEYMAP_NAME (Left),
+    ADD_KEYMAP_NAME (Right),
+    ADD_KEYMAP_NAME (LeftQuick),
+    ADD_KEYMAP_NAME (RightQuick),
+    ADD_KEYMAP_NAME (Home),
+    ADD_KEYMAP_NAME (End),
+    ADD_KEYMAP_NAME (PageUp),
+    ADD_KEYMAP_NAME (PageDown),
+    ADD_KEYMAP_NAME (HalfPageUp),
+    ADD_KEYMAP_NAME (HalfPageDown),
+    ADD_KEYMAP_NAME (Top),
+    ADD_KEYMAP_NAME (Bottom),
+    ADD_KEYMAP_NAME (TopOnScreen),
+    ADD_KEYMAP_NAME (MiddleOnScreen),
+    ADD_KEYMAP_NAME (BottomOnScreen),
+    ADD_KEYMAP_NAME (WordLeft),
+    ADD_KEYMAP_NAME (WordRight),
+    ADD_KEYMAP_NAME (Copy),
+    ADD_KEYMAP_NAME (Move),
+    ADD_KEYMAP_NAME (Delete),
+    ADD_KEYMAP_NAME (MakeDir),
+    ADD_KEYMAP_NAME (ChangeMode),
+    ADD_KEYMAP_NAME (ChangeOwn),
+    ADD_KEYMAP_NAME (ChangeOwnAdvanced),
+#ifdef ENABLE_EXT2FS_ATTR
+    ADD_KEYMAP_NAME (ChangeAttributes),
+#endif
+    ADD_KEYMAP_NAME (Remove),
+    ADD_KEYMAP_NAME (BackSpace),
+    ADD_KEYMAP_NAME (Redo),
+    ADD_KEYMAP_NAME (Clear),
+    ADD_KEYMAP_NAME (Menu),
+    ADD_KEYMAP_NAME (MenuLastSelected),
+    ADD_KEYMAP_NAME (UserMenu),
+    ADD_KEYMAP_NAME (EditUserMenu),
+    ADD_KEYMAP_NAME (Search),
+    ADD_KEYMAP_NAME (SearchContinue),
+    ADD_KEYMAP_NAME (Replace),
+    ADD_KEYMAP_NAME (ReplaceContinue),
+    ADD_KEYMAP_NAME (Help),
+    ADD_KEYMAP_NAME (Shell),
+    ADD_KEYMAP_NAME (Edit),
+    ADD_KEYMAP_NAME (EditNew),
+#ifdef HAVE_CHARSET
+    ADD_KEYMAP_NAME (SelectCodepage),
+#endif
+    ADD_KEYMAP_NAME (EditorViewerHistory),
+    ADD_KEYMAP_NAME (History),
+    ADD_KEYMAP_NAME (HistoryNext),
+    ADD_KEYMAP_NAME (HistoryPrev),
+    ADD_KEYMAP_NAME (Complete),
+    ADD_KEYMAP_NAME (Save),
+    ADD_KEYMAP_NAME (SaveAs),
+    ADD_KEYMAP_NAME (Goto),
+    ADD_KEYMAP_NAME (Reread),
+    ADD_KEYMAP_NAME (Refresh),
+    ADD_KEYMAP_NAME (Suspend),
+    ADD_KEYMAP_NAME (Swap),
+    ADD_KEYMAP_NAME (HotList),
+    ADD_KEYMAP_NAME (SelectInvert),
+    ADD_KEYMAP_NAME (ScreenList),
+    ADD_KEYMAP_NAME (ScreenNext),
+    ADD_KEYMAP_NAME (ScreenPrev),
+    ADD_KEYMAP_NAME (FileNext),
+    ADD_KEYMAP_NAME (FilePrev),
+    ADD_KEYMAP_NAME (DeleteToHome),
+    ADD_KEYMAP_NAME (DeleteToEnd),
+    ADD_KEYMAP_NAME (DeleteToWordBegin),
+    ADD_KEYMAP_NAME (DeleteToWordEnd),
+    ADD_KEYMAP_NAME (Cut),
+    ADD_KEYMAP_NAME (Store),
+    ADD_KEYMAP_NAME (Paste),
+    ADD_KEYMAP_NAME (Mark),
+    ADD_KEYMAP_NAME (MarkLeft),
+    ADD_KEYMAP_NAME (MarkRight),
+    ADD_KEYMAP_NAME (MarkUp),
+    ADD_KEYMAP_NAME (MarkDown),
+    ADD_KEYMAP_NAME (MarkToWordBegin),
+    ADD_KEYMAP_NAME (MarkToWordEnd),
+    ADD_KEYMAP_NAME (MarkToHome),
+    ADD_KEYMAP_NAME (MarkToEnd),
+    ADD_KEYMAP_NAME (ToggleNavigation),
+    ADD_KEYMAP_NAME (Sort),
+    ADD_KEYMAP_NAME (Options),
+    ADD_KEYMAP_NAME (LearnKeys),
+    ADD_KEYMAP_NAME (Bookmark),
+    ADD_KEYMAP_NAME (Quit),
+    ADD_KEYMAP_NAME (QuitQuiet),
+    ADD_KEYMAP_NAME (ExtendedKeyMap),
+
+    /* main commands */
+#ifdef USE_INTERNAL_EDIT
+    ADD_KEYMAP_NAME (EditForceInternal),
+#endif
+    ADD_KEYMAP_NAME (View),
+    ADD_KEYMAP_NAME (ViewRaw),
+    ADD_KEYMAP_NAME (ViewFile),
+    ADD_KEYMAP_NAME (ViewFiltered),
+    ADD_KEYMAP_NAME (Find),
+    ADD_KEYMAP_NAME (DirSize),
+    ADD_KEYMAP_NAME (CompareDirs),
+#ifdef USE_DIFF_VIEW
+    ADD_KEYMAP_NAME (CompareFiles),
+#endif
+    ADD_KEYMAP_NAME (OptionsVfs),
+    ADD_KEYMAP_NAME (OptionsConfirm),
+    ADD_KEYMAP_NAME (OptionsDisplayBits),
+    ADD_KEYMAP_NAME (EditExtensionsFile),
+    ADD_KEYMAP_NAME (EditFileHighlightFile),
+    ADD_KEYMAP_NAME (LinkSymbolicEdit),
+    ADD_KEYMAP_NAME (ExternalPanelize),
+    ADD_KEYMAP_NAME (Filter),
+#ifdef ENABLE_VFS_FISH
+    ADD_KEYMAP_NAME (ConnectFish),
+#endif
+#ifdef ENABLE_VFS_FTP
+    ADD_KEYMAP_NAME (ConnectFtp),
+#endif
+#ifdef ENABLE_VFS_SFTP
+    ADD_KEYMAP_NAME (ConnectSftp),
+#endif
+    ADD_KEYMAP_NAME (PanelInfo),
+#ifdef ENABLE_BACKGROUND
+    ADD_KEYMAP_NAME (Jobs),
+#endif
+    ADD_KEYMAP_NAME (OptionsLayout),
+    ADD_KEYMAP_NAME (OptionsAppearance),
+    ADD_KEYMAP_NAME (Link),
+    ADD_KEYMAP_NAME (SetupListingFormat),
+    ADD_KEYMAP_NAME (PanelListing),
+#ifdef LISTMODE_EDITOR
+    ADD_KEYMAP_NAME (ListMode),
+#endif
+    ADD_KEYMAP_NAME (OptionsPanel),
+    ADD_KEYMAP_NAME (CdQuick),
+    ADD_KEYMAP_NAME (PanelQuickView),
+    ADD_KEYMAP_NAME (LinkSymbolicRelative),
+    ADD_KEYMAP_NAME (VfsList),
+    ADD_KEYMAP_NAME (SaveSetup),
+    ADD_KEYMAP_NAME (LinkSymbolic),
+    ADD_KEYMAP_NAME (PanelTree),
+    ADD_KEYMAP_NAME (Tree),
+#ifdef ENABLE_VFS_UNDELFS
+    ADD_KEYMAP_NAME (Undelete),
+#endif
+    ADD_KEYMAP_NAME (PutCurrentLink),
+    ADD_KEYMAP_NAME (PutOtherLink),
+    ADD_KEYMAP_NAME (HotListAdd),
+    ADD_KEYMAP_NAME (ShowHidden),
+    ADD_KEYMAP_NAME (SplitVertHoriz),
+    ADD_KEYMAP_NAME (SplitEqual),
+    ADD_KEYMAP_NAME (SplitMore),
+    ADD_KEYMAP_NAME (SplitLess),
+    ADD_KEYMAP_NAME (PutCurrentPath),
+    ADD_KEYMAP_NAME (PutOtherPath),
+    ADD_KEYMAP_NAME (PutCurrentSelected),
+    ADD_KEYMAP_NAME (PutCurrentFullSelected),
+    ADD_KEYMAP_NAME (PutCurrentTagged),
+    ADD_KEYMAP_NAME (PutOtherTagged),
+    ADD_KEYMAP_NAME (Select),
+    ADD_KEYMAP_NAME (Unselect),
+
+    /* panel */
+    ADD_KEYMAP_NAME (SelectExt),
+    ADD_KEYMAP_NAME (ScrollLeft),
+    ADD_KEYMAP_NAME (ScrollRight),
+    ADD_KEYMAP_NAME (PanelOtherCd),
+    ADD_KEYMAP_NAME (PanelOtherCdLink),
+    ADD_KEYMAP_NAME (CopySingle),
+    ADD_KEYMAP_NAME (MoveSingle),
+    ADD_KEYMAP_NAME (DeleteSingle),
+    ADD_KEYMAP_NAME (CdParent),
+    ADD_KEYMAP_NAME (CdChild),
+    ADD_KEYMAP_NAME (Panelize),
+    ADD_KEYMAP_NAME (PanelOtherSync),
+    ADD_KEYMAP_NAME (SortNext),
+    ADD_KEYMAP_NAME (SortPrev),
+    ADD_KEYMAP_NAME (SortReverse),
+    ADD_KEYMAP_NAME (SortByName),
+    ADD_KEYMAP_NAME (SortByExt),
+    ADD_KEYMAP_NAME (SortBySize),
+    ADD_KEYMAP_NAME (SortByMTime),
+    ADD_KEYMAP_NAME (CdParentSmart),
+    ADD_KEYMAP_NAME (CycleListingFormat),
+
+    /* dialog */
+    ADD_KEYMAP_NAME (Ok),
+    ADD_KEYMAP_NAME (Cancel),
+
+    /* input line */
+    ADD_KEYMAP_NAME (Yank),
+
+    /* help */
+    ADD_KEYMAP_NAME (Index),
+    ADD_KEYMAP_NAME (Back),
+    ADD_KEYMAP_NAME (LinkNext),
+    ADD_KEYMAP_NAME (LinkPrev),
+    ADD_KEYMAP_NAME (NodeNext),
+    ADD_KEYMAP_NAME (NodePrev),
+
+    /* tree */
+    ADD_KEYMAP_NAME (Forget),
+
+#if defined (USE_INTERNAL_EDIT) || defined (USE_DIFF_VIEW)
+    ADD_KEYMAP_NAME (ShowNumbers),
+#endif
+
+    /* chattr dialog */
+    ADD_KEYMAP_NAME (MarkAndDown),
+
+#ifdef USE_INTERNAL_EDIT
+    ADD_KEYMAP_NAME (Close),
+    ADD_KEYMAP_NAME (Tab),
+    ADD_KEYMAP_NAME (Undo),
+    ADD_KEYMAP_NAME (ScrollUp),
+    ADD_KEYMAP_NAME (ScrollDown),
+    ADD_KEYMAP_NAME (Return),
+    ADD_KEYMAP_NAME (ParagraphUp),
+    ADD_KEYMAP_NAME (ParagraphDown),
+    ADD_KEYMAP_NAME (EditFile),
+    ADD_KEYMAP_NAME (MarkWord),
+    ADD_KEYMAP_NAME (MarkLine),
+    ADD_KEYMAP_NAME (MarkAll),
+    ADD_KEYMAP_NAME (Unmark),
+    ADD_KEYMAP_NAME (MarkColumn),
+    ADD_KEYMAP_NAME (BlockSave),
+    ADD_KEYMAP_NAME (InsertFile),
+    ADD_KEYMAP_NAME (InsertOverwrite),
+    ADD_KEYMAP_NAME (Date),
+    ADD_KEYMAP_NAME (DeleteLine),
+    ADD_KEYMAP_NAME (EditMail),
+    ADD_KEYMAP_NAME (ParagraphFormat),
+    ADD_KEYMAP_NAME (MatchBracket),
+    ADD_KEYMAP_NAME (ExternalCommand),
+    ADD_KEYMAP_NAME (MacroStartRecord),
+    ADD_KEYMAP_NAME (MacroStopRecord),
+    ADD_KEYMAP_NAME (MacroStartStopRecord),
+    ADD_KEYMAP_NAME (MacroDelete),
+    ADD_KEYMAP_NAME (RepeatStartStopRecord),
+#ifdef HAVE_ASPELL
+    ADD_KEYMAP_NAME (SpellCheck),
+    ADD_KEYMAP_NAME (SpellCheckCurrentWord),
+    ADD_KEYMAP_NAME (SpellCheckSelectLang),
+#endif /* HAVE_ASPELL */
+    ADD_KEYMAP_NAME (BookmarkFlush),
+    ADD_KEYMAP_NAME (BookmarkNext),
+    ADD_KEYMAP_NAME (BookmarkPrev),
+    ADD_KEYMAP_NAME (MarkPageUp),
+    ADD_KEYMAP_NAME (MarkPageDown),
+    ADD_KEYMAP_NAME (MarkToFileBegin),
+    ADD_KEYMAP_NAME (MarkToFileEnd),
+    ADD_KEYMAP_NAME (MarkToPageBegin),
+    ADD_KEYMAP_NAME (MarkToPageEnd),
+    ADD_KEYMAP_NAME (MarkScrollUp),
+    ADD_KEYMAP_NAME (MarkScrollDown),
+    ADD_KEYMAP_NAME (MarkParagraphUp),
+    ADD_KEYMAP_NAME (MarkParagraphDown),
+    ADD_KEYMAP_NAME (MarkColumnPageUp),
+    ADD_KEYMAP_NAME (MarkColumnPageDown),
+    ADD_KEYMAP_NAME (MarkColumnLeft),
+    ADD_KEYMAP_NAME (MarkColumnRight),
+    ADD_KEYMAP_NAME (MarkColumnUp),
+    ADD_KEYMAP_NAME (MarkColumnDown),
+    ADD_KEYMAP_NAME (MarkColumnScrollUp),
+    ADD_KEYMAP_NAME (MarkColumnScrollDown),
+    ADD_KEYMAP_NAME (MarkColumnParagraphUp),
+    ADD_KEYMAP_NAME (MarkColumnParagraphDown),
+    ADD_KEYMAP_NAME (BlockShiftLeft),
+    ADD_KEYMAP_NAME (BlockShiftRight),
+    ADD_KEYMAP_NAME (InsertLiteral),
+    ADD_KEYMAP_NAME (ShowTabTws),
+    ADD_KEYMAP_NAME (SyntaxOnOff),
+    ADD_KEYMAP_NAME (SyntaxChoose),
+    ADD_KEYMAP_NAME (ShowMargin),
+    ADD_KEYMAP_NAME (OptionsSaveMode),
+    ADD_KEYMAP_NAME (About),
+    /* An action to run external script from macro */
+    {"ExecuteScript", CK_PipeBlock (0)},
+    ADD_KEYMAP_NAME (WindowMove),
+    ADD_KEYMAP_NAME (WindowResize),
+    ADD_KEYMAP_NAME (WindowFullscreen),
+    ADD_KEYMAP_NAME (WindowList),
+    ADD_KEYMAP_NAME (WindowNext),
+    ADD_KEYMAP_NAME (WindowPrev),
+#endif /* USE_INTERNAL_EDIT */
+
+    /* viewer */
+    ADD_KEYMAP_NAME (WrapMode),
+    ADD_KEYMAP_NAME (HexEditMode),
+    ADD_KEYMAP_NAME (HexMode),
+    ADD_KEYMAP_NAME (MagicMode),
+    ADD_KEYMAP_NAME (NroffMode),
+    ADD_KEYMAP_NAME (BookmarkGoto),
+    ADD_KEYMAP_NAME (Ruler),
+    ADD_KEYMAP_NAME (SearchForward),
+    ADD_KEYMAP_NAME (SearchBackward),
+    ADD_KEYMAP_NAME (SearchForwardContinue),
+    ADD_KEYMAP_NAME (SearchBackwardContinue),
+    ADD_KEYMAP_NAME (SearchOppositeContinue),
+
+#ifdef USE_DIFF_VIEW
+    /* diff viewer */
+    ADD_KEYMAP_NAME (ShowSymbols),
+    ADD_KEYMAP_NAME (SplitFull),
+    ADD_KEYMAP_NAME (Tab2),
+    ADD_KEYMAP_NAME (Tab3),
+    ADD_KEYMAP_NAME (Tab4),
+    ADD_KEYMAP_NAME (Tab8),
+    ADD_KEYMAP_NAME (HunkNext),
+    ADD_KEYMAP_NAME (HunkPrev),
+    ADD_KEYMAP_NAME (EditOther),
+    ADD_KEYMAP_NAME (Merge),
+    ADD_KEYMAP_NAME (MergeOther),
+#endif /* USE_DIFF_VIEW */
+
+    {NULL, CK_IgnoreKey}
+};
+
+/* *INDENT-OFF* */
+static const size_t num_command_names = G_N_ELEMENTS (command_names) - 1;
+/* *INDENT-ON* */
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+name_keymap_comparator (const void *p1, const void *p2)
+{
+    const name_keymap_t *m1 = (const name_keymap_t *) p1;
+    const name_keymap_t *m2 = (const name_keymap_t *) p2;
+
+    return g_ascii_strcasecmp (m1->name, m2->name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+sort_command_names (void)
+{
+    static gboolean has_been_sorted = FALSE;
+
+    if (!has_been_sorted)
+    {
+        qsort (command_names, num_command_names,
+               sizeof (command_names[0]), &name_keymap_comparator);
+        has_been_sorted = TRUE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+keymap_add (GArray * keymap, long key, long cmd, const char *caption)
+{
+    if (key != 0 && cmd != CK_IgnoreKey)
+    {
+        global_keymap_t new_bind;
+
+        new_bind.key = key;
+        new_bind.command = cmd;
+        g_snprintf (new_bind.caption, sizeof (new_bind.caption), "%s", caption);
+        g_array_append_val (keymap, new_bind);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+keybind_cmd_bind (GArray * keymap, const char *keybind, long action)
+{
+    char *caption = NULL;
+    long key;
+
+    key = lookup_key (keybind, &caption);
+    keymap_add (keymap, key, action, caption);
+    g_free (caption);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+long
+keybind_lookup_action (const char *name)
+{
+    const name_keymap_t key = { name, 0 };
+    name_keymap_t *res;
+
+    sort_command_names ();
+
+    res = bsearch (&key, command_names, num_command_names,
+                   sizeof (command_names[0]), name_keymap_comparator);
+
+    return (res != NULL) ? res->val : CK_IgnoreKey;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+keybind_lookup_actionname (long action)
+{
+    size_t i;
+
+    for (i = 0; command_names[i].name != NULL; i++)
+        if (command_names[i].val == action)
+            return command_names[i].name;
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+keybind_lookup_keymap_shortcut (const global_keymap_t * keymap, long action)
+{
+    if (keymap != NULL)
+    {
+        size_t i;
+
+        for (i = 0; keymap[i].key != 0; i++)
+            if (keymap[i].command == action)
+                return (keymap[i].caption[0] != '\0') ? keymap[i].caption : NULL;
+    }
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+long
+keybind_lookup_keymap_command (const global_keymap_t * keymap, long key)
+{
+    if (keymap != NULL)
+    {
+        size_t i;
+
+        for (i = 0; keymap[i].key != 0; i++)
+            if (keymap[i].key == key)
+                return keymap[i].command;
+    }
+
+    return CK_IgnoreKey;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/keybind.h b/lib/keybind.h
new file mode 100644
index 0000000..9c0fe98
--- /dev/null
+++ b/lib/keybind.h
@@ -0,0 +1,367 @@
+#ifndef MC__KEYBIND_H
+#define MC__KEYBIND_H
+
+#include "lib/global.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* keymap sections */
+#define KEYMAP_SECTION_FILEMANAGER "filemanager"
+#define KEYMAP_SECTION_FILEMANAGER_EXT "filemanager:xmap"
+#define KEYMAP_SECTION_PANEL "panel"
+#define KEYMAP_SECTION_DIALOG "dialog"
+#define KEYMAP_SECTION_MENU "menu"
+#define KEYMAP_SECTION_INPUT "input"
+#define KEYMAP_SECTION_LISTBOX "listbox"
+#define KEYMAP_SECTION_RADIO "radio"
+#define KEYMAP_SECTION_TREE "tree"
+#define KEYMAP_SECTION_HELP "help"
+#define KEYMAP_SECTION_CHATTR "chattr"
+#define KEYMAP_SECTION_EDITOR "editor"
+#define KEYMAP_SECTION_EDITOR_EXT "editor:xmap"
+#define KEYMAP_SECTION_VIEWER "viewer"
+#define KEYMAP_SECTION_VIEWER_HEX "viewer:hex"
+#define KEYMAP_SECTION_DIFFVIEWER "diffviewer"
+
+#define KEYMAP_SHORTCUT_LENGTH 32       /* FIXME: is 32 bytes enough for shortcut? */
+
+#define CK_PipeBlock(i)  (10000+(i))
+#define CK_Macro(i)      (20000+(i))
+#define CK_MacroLast     CK_Macro(0x7FFF)
+
+/*** enums ***************************************************************************************/
+
+enum
+{
+    /* special commands */
+    CK_InsertChar = -1L,
+    CK_IgnoreKey = 0L,
+
+    /* common */
+    CK_Enter = 1L,
+    CK_ChangePanel,
+    CK_Up,
+    CK_Down,
+    CK_Left,
+    CK_Right,
+    CK_Home,
+    CK_End,
+    CK_LeftQuick,
+    CK_RightQuick,
+    CK_PageUp,
+    CK_PageDown,
+    CK_HalfPageUp,
+    CK_HalfPageDown,
+    CK_Top,
+    CK_Bottom,
+    CK_TopOnScreen,
+    CK_MiddleOnScreen,
+    CK_BottomOnScreen,
+    CK_WordLeft,
+    CK_WordRight,
+    CK_Copy,
+    CK_Move,
+    CK_Delete,
+    CK_MakeDir,
+    CK_ChangeMode,
+    CK_ChangeOwn,
+    CK_ChangeOwnAdvanced,
+    CK_ChangeAttributes,
+    CK_Remove,
+    CK_BackSpace,
+    CK_Redo,
+    CK_Clear,
+    CK_Menu,
+    CK_MenuLastSelected,
+    CK_UserMenu,
+    CK_EditUserMenu,
+    CK_Search,
+    CK_SearchContinue,
+    CK_Replace,
+    CK_ReplaceContinue,
+    CK_SearchStop,
+    CK_Help,
+    CK_Edit,
+    CK_EditNew,
+    CK_Shell,
+    CK_SelectCodepage,
+    CK_EditorViewerHistory,
+    CK_History,
+    CK_HistoryNext,
+    CK_HistoryPrev,
+    CK_Complete,
+    CK_Save,
+    CK_SaveAs,
+    CK_Goto,
+    CK_Reread,
+    CK_Refresh,
+    CK_Suspend,
+    CK_Swap,
+    CK_Mark,
+    CK_HotList,
+    CK_ScreenList,
+    CK_ScreenNext,
+    CK_ScreenPrev,
+    CK_FilePrev,
+    CK_FileNext,
+    CK_DeleteToHome,
+    CK_DeleteToEnd,
+    CK_DeleteToWordBegin,
+    CK_DeleteToWordEnd,
+    CK_ShowNumbers,
+    CK_Store,
+    CK_Cut,
+    CK_Paste,
+    CK_MarkLeft,
+    CK_MarkRight,
+    CK_MarkUp,
+    CK_MarkDown,
+    CK_MarkToWordBegin,
+    CK_MarkToWordEnd,
+    CK_MarkToHome,
+    CK_MarkToEnd,
+    CK_ToggleNavigation,
+    CK_Sort,
+    CK_Options,
+    CK_LearnKeys,
+    CK_Bookmark,
+    CK_Quit,
+    CK_QuitQuiet,
+    /* C-x or similar */
+    CK_ExtendedKeyMap,
+
+    /* main commands */
+    CK_EditForceInternal = 100L,
+    CK_View,
+    CK_ViewRaw,
+    CK_ViewFile,
+    CK_ViewFiltered,
+    CK_Find,
+    CK_DirSize,
+    CK_HotListAdd,
+    CK_SetupListingFormat,
+    CK_CompareDirs,
+    CK_OptionsVfs,
+    CK_OptionsConfirm,
+    CK_PutCurrentLink,
+    CK_PutOtherLink,
+    CK_OptionsDisplayBits,
+    CK_EditExtensionsFile,
+    CK_EditFileHighlightFile,
+    CK_LinkSymbolicEdit,
+    CK_ExternalPanelize,
+    CK_Filter,
+    CK_ConnectFish,
+    CK_ConnectFtp,
+    CK_ConnectSftp,
+    CK_PanelInfo,
+    CK_Jobs,
+    CK_OptionsLayout,
+    CK_OptionsAppearance,
+    CK_Link,
+    CK_PanelListing,
+    CK_ListMode,
+    CK_CdQuick,
+    CK_PanelQuickView,
+    CK_VfsList,
+    CK_SaveSetup,
+    CK_LinkSymbolic,
+    CK_ShowHidden,
+    CK_PanelTree,
+    CK_Tree,
+    CK_Undelete,
+    CK_SplitVertHoriz,
+    CK_SplitEqual,
+    CK_SplitMore,
+    CK_SplitLess,
+    CK_CompareFiles,
+    CK_OptionsPanel,
+    CK_LinkSymbolicRelative,
+    CK_PutCurrentPath,
+    CK_PutOtherPath,
+    CK_PutCurrentSelected,
+    CK_PutCurrentFullSelected,
+    CK_PutCurrentTagged,
+    CK_PutOtherTagged,
+    CK_Select,
+    CK_Unselect,
+    CK_SelectExt,
+    CK_SelectInvert,
+
+    /* panels */
+    CK_PanelOtherCd = 200L,
+    CK_PanelOtherCdLink,
+    CK_Panelize,
+    CK_CopySingle,
+    CK_MoveSingle,
+    CK_DeleteSingle,
+    CK_CdChild,
+    CK_CdParent,
+    CK_CdParentSmart,
+    CK_PanelOtherSync,
+    CK_SortNext,
+    CK_SortPrev,
+    CK_SortReverse,
+    CK_SortByName,
+    CK_SortByExt,
+    CK_SortBySize,
+    CK_SortByMTime,
+    CK_ScrollLeft,
+    CK_ScrollRight,
+    CK_CycleListingFormat,
+
+    /* dialog */
+    CK_Ok = 300L,
+    CK_Cancel,
+
+    /* input */
+    CK_Yank = 350L,
+
+    /* help */
+    CK_Index = 400L,
+    CK_Back,
+    CK_LinkNext,
+    CK_LinkPrev,
+    CK_NodeNext,
+    CK_NodePrev,
+
+    /* tree */
+    CK_Forget = 450L,
+
+    /* chattr dialog */
+    CK_MarkAndDown = 480L,
+
+    /* editor */
+    /* cursor movements */
+    CK_Tab = 500L,
+    CK_Undo,
+    CK_ScrollUp,
+    CK_ScrollDown,
+    CK_Return,
+    CK_ParagraphUp,
+    CK_ParagraphDown,
+    /* file commands */
+    CK_EditFile,
+    CK_InsertFile,
+    CK_EditSyntaxFile,
+    CK_Close,
+    /* block commands */
+    CK_BlockSave,
+    CK_BlockShiftLeft,
+    CK_BlockShiftRight,
+    CK_DeleteLine,
+    /* bookmarks */
+    CK_BookmarkFlush,
+    CK_BookmarkNext,
+    CK_BookmarkPrev,
+    /* mark commands */
+    CK_MarkColumn,
+    CK_MarkWord,
+    CK_MarkLine,
+    CK_MarkAll,
+    CK_Unmark,
+    CK_MarkPageUp,
+    CK_MarkPageDown,
+    CK_MarkToFileBegin,
+    CK_MarkToFileEnd,
+    CK_MarkToPageBegin,
+    CK_MarkToPageEnd,
+    CK_MarkScrollUp,
+    CK_MarkScrollDown,
+    CK_MarkParagraphUp,
+    CK_MarkParagraphDown,
+    /* column mark commands */
+    CK_MarkColumnPageUp,
+    CK_MarkColumnPageDown,
+    CK_MarkColumnLeft,
+    CK_MarkColumnRight,
+    CK_MarkColumnUp,
+    CK_MarkColumnDown,
+    CK_MarkColumnScrollUp,
+    CK_MarkColumnScrollDown,
+    CK_MarkColumnParagraphUp,
+    CK_MarkColumnParagraphDown,
+    /* macros */
+    CK_MacroStartRecord,
+    CK_MacroStopRecord,
+    CK_MacroStartStopRecord,
+    CK_MacroDelete,
+    CK_RepeatStartRecord,
+    CK_RepeatStopRecord,
+    CK_RepeatStartStopRecord,
+    /* window commands */
+    CK_WindowMove,
+    CK_WindowResize,
+    CK_WindowFullscreen,
+    CK_WindowList,
+    CK_WindowNext,
+    CK_WindowPrev,
+    /* misc commands */
+    CK_SpellCheck,
+    CK_SpellCheckCurrentWord,
+    CK_SpellCheckSelectLang,
+    CK_InsertOverwrite,
+    CK_ParagraphFormat,
+    CK_MatchBracket,
+    CK_OptionsSaveMode,
+    CK_About,
+    CK_ShowMargin,
+    CK_ShowTabTws,
+    CK_SyntaxOnOff,
+    CK_SyntaxChoose,
+    CK_InsertLiteral,
+    CK_ExternalCommand,
+    CK_Date,
+    CK_EditMail,
+
+    /* viewer */
+    CK_WrapMode = 600L,
+    CK_MagicMode,
+    CK_NroffMode,
+    CK_HexMode,
+    CK_HexEditMode,
+    CK_BookmarkGoto,
+    CK_Ruler,
+    CK_SearchForward,
+    CK_SearchBackward,
+    CK_SearchForwardContinue,
+    CK_SearchBackwardContinue,
+    CK_SearchOppositeContinue,
+
+    /* diff viewer */
+    CK_ShowSymbols = 700L,
+    CK_SplitFull,
+    CK_Tab2,
+    CK_Tab3,
+    CK_Tab4,
+    CK_Tab8,
+    CK_HunkNext,
+    CK_HunkPrev,
+    CK_EditOther,
+    CK_Merge,
+    CK_MergeOther
+};
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* The global keymaps are of this type */
+typedef struct global_keymap_t
+{
+    long key;
+    long command;
+    char caption[KEYMAP_SHORTCUT_LENGTH];
+} global_keymap_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void keybind_cmd_bind (GArray * keymap, const char *keybind, long action);
+long keybind_lookup_action (const char *name);
+const char *keybind_lookup_actionname (long action);
+const char *keybind_lookup_keymap_shortcut (const global_keymap_t * keymap, long action);
+long keybind_lookup_keymap_command (const global_keymap_t * keymap, long key);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__KEYBIND_H */
diff --git a/lib/lock.c b/lib/lock.c
new file mode 100644
index 0000000..2d14d22
--- /dev/null
+++ b/lib/lock.c
@@ -0,0 +1,318 @@
+/*
+   File locking
+
+   Copyright (C) 2003-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Adam Byrtek, 2003
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: file locking
+ *  \author Adam Byrtek
+ *  \date 2003
+ *
+ *  Locking scheme is based on a documentation found
+ *  in JED editor sources. Abstract from lock.c file (by John E. Davis):
+ *
+ *  The basic idea here is quite simple.  Whenever a buffer is attached to
+ *  a file, and that buffer is modified, then attempt to lock the
+ *  file. Moreover, before writing to a file for any reason, lock the
+ *  file. The lock is really a protocol respected and not a real lock.
+ *  The protocol is this: If in the directory of the file is a
+ *  symbolic link with name ".#FILE", the FILE is considered to be locked
+ *  by the process specified by the link.
+ */
+
+#include <config.h>
+
+#include <signal.h>             /* kill() */
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/vfs/vfs.h"
+#include "lib/util.h"           /* tilde_expand() */
+#include "lib/lock.h"
+#include "lib/widget.h"         /* query_dialog() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define BUF_SIZE 255
+#define PID_BUF_SIZE 10
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    char *who;
+    pid_t pid;
+} lock_s;
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/** \fn static char * lock_build_name (void)
+ *  \brief builds user@host.domain.pid string (need to be freed)
+ *  \return a pointer to lock filename
+ */
+
+static char *
+lock_build_name (void)
+{
+    char host[BUF_SIZE];
+    const char *user = NULL;
+    struct passwd *pw;
+
+    pw = getpwuid (getuid ());
+    if (pw)
+        user = pw->pw_name;
+    if (!user)
+        user = getenv ("USER");
+    if (!user)
+        user = getenv ("USERNAME");
+    if (!user)
+        user = getenv ("LOGNAME");
+    if (!user)
+        user = "";
+
+    /** \todo Use FQDN, no clean interface, so requires lot of code */
+    if (gethostname (host, BUF_SIZE - 1) == -1)
+        *host = '\0';
+
+    return g_strdup_printf ("%s@%s.%d", user, host, (int) getpid ());
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+lock_build_symlink_name (const vfs_path_t * fname_vpath)
+{
+    const char *elpath;
+    char *str_filename, *str_dirname, *symlink_name;
+
+    /* get first path piece */
+    elpath = vfs_path_get_by_index (fname_vpath, 0)->path;
+
+    str_filename = g_path_get_basename (elpath);
+    str_dirname = g_path_get_dirname (elpath);
+    symlink_name = g_strconcat (str_dirname, PATH_SEP_STR ".#", str_filename, (char *) NULL);
+    g_free (str_dirname);
+    g_free (str_filename);
+
+    return symlink_name;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Extract pid from user@host.domain.pid string
+ */
+
+static lock_s *
+lock_extract_info (const char *str)
+{
+    size_t i, len;
+    const char *p, *s;
+    static char pid[PID_BUF_SIZE], who[BUF_SIZE];
+    static lock_s lock;
+
+    len = strlen (str);
+
+    for (p = str + len - 1; p >= str; p--)
+        if (*p == '.')
+            break;
+
+    /* Everything before last '.' is user@host */
+    i = 0;
+    for (s = str; i < BUF_SIZE && s < p; s++)
+        who[i++] = *s;
+    if (i == BUF_SIZE)
+        i--;
+    who[i] = '\0';
+
+    /* Treat text between '.' and ':' or '\0' as pid */
+    i = 0;
+    for (p = p + 1; i < PID_BUF_SIZE && p < str + len && *p != ':'; p++)
+        pid[i++] = *p;
+    if (i == PID_BUF_SIZE)
+        i--;
+    pid[i] = '\0';
+
+    lock.pid = (pid_t) atol (pid);
+    lock.who = who;
+    return &lock;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Extract user@host.domain.pid from lock file (static string)
+ */
+
+static const char *
+lock_get_info (const char *lockfname)
+{
+    ssize_t cnt;
+    static char buf[BUF_SIZE];
+
+    cnt = readlink (lockfname, buf, BUF_SIZE - 1);
+    if (cnt == -1 || *buf == '\0')
+        return NULL;
+    buf[cnt] = '\0';
+    return buf;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* Tries to raise file lock
+   Returns 1 on success,  0 on failure, -1 if abort
+   Warning: Might do screen refresh and lose edit->force */
+
+int
+lock_file (const vfs_path_t * fname_vpath)
+{
+    char *lockfname = NULL, *newlock, *msg;
+    struct stat statbuf;
+    lock_s *lockinfo;
+    gboolean is_local;
+    gboolean symlink_ok = FALSE;
+    const char *elpath;
+
+    if (fname_vpath == NULL)
+        return 0;
+
+    elpath = vfs_path_get_by_index (fname_vpath, 0)->path;
+    /* Just to be sure (and don't lock new file) */
+    if (*elpath == '\0')
+        return 0;
+
+    /* Locking on VFS is not supported */
+    is_local = vfs_file_is_local (fname_vpath);
+    if (is_local)
+    {
+        /* Check if already locked */
+        lockfname = lock_build_symlink_name (fname_vpath);
+    }
+
+    if (!is_local || lockfname == NULL)
+        return 0;
+
+    if (lstat (lockfname, &statbuf) == 0)
+    {
+        const char *lock;
+
+        lock = lock_get_info (lockfname);
+        if (lock == NULL)
+            goto ret;
+        lockinfo = lock_extract_info (lock);
+
+        /* Check if locking process alive, ask user if required */
+        if (lockinfo->pid == 0 || !(kill (lockinfo->pid, 0) == -1 && errno == ESRCH))
+        {
+            msg =
+                g_strdup_printf (_
+                                 ("File \"%s\" is already being edited.\n"
+                                  "User: %s\nProcess ID: %d"), x_basename (lockfname) + 2,
+                                 lockinfo->who, (int) lockinfo->pid);
+            /* TODO: Implement "Abort" - needs to rewind undo stack */
+            switch (query_dialog
+                    (_("File locked"), msg, D_NORMAL, 2, _("&Grab lock"), _("&Ignore lock")))
+            {
+            case 0:
+                break;
+            case 1:
+            case -1:
+            default:           /* Esc Esc */
+                g_free (msg);
+                goto ret;
+            }
+            g_free (msg);
+        }
+        unlink (lockfname);
+    }
+
+    /* Create lock symlink */
+    newlock = lock_build_name ();
+    symlink_ok = (symlink (newlock, lockfname) != -1);
+    g_free (newlock);
+
+  ret:
+    g_free (lockfname);
+    return symlink_ok ? 1 : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Lowers file lock if possible
+ * @return  Always 0
+ */
+
+int
+unlock_file (const vfs_path_t * fname_vpath)
+{
+    char *lockfname;
+    struct stat statbuf;
+    const char *elpath, *lock;
+
+    if (fname_vpath == NULL)
+        return 0;
+
+    elpath = vfs_path_get_by_index (fname_vpath, 0)->path;
+    /* Just to be sure (and don't lock new file) */
+    if (*elpath == '\0')
+        return 0;
+
+    lockfname = lock_build_symlink_name (fname_vpath);
+
+    if (lockfname == NULL)
+        return 0;
+
+    /* Check if lock exists */
+    if (lstat (lockfname, &statbuf) == -1)
+        goto ret;
+
+    lock = lock_get_info (lockfname);
+    if (lock != NULL)
+    {
+        /* Don't touch if lock is not ours */
+        if (lock_extract_info (lock)->pid != getpid ())
+            goto ret;
+    }
+
+    /* Remove lock */
+    unlink (lockfname);
+
+  ret:
+    g_free (lockfname);
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/lock.h b/lib/lock.h
new file mode 100644
index 0000000..7cca65f
--- /dev/null
+++ b/lib/lock.h
@@ -0,0 +1,29 @@
+
+/** \file
+ *  \brief Header: file locking
+ *  \author Adam Byrtek
+ *  \date 2003
+ *  Look at lock.c for more details
+ */
+
+#ifndef MC_LOCK_H
+#define MC_LOCK_H
+
+#include "lib/vfs/vfs.h"        /* vfs_path_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+int lock_file (const vfs_path_t * fname_vpath);
+int unlock_file (const vfs_path_t * fname_vpath);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_LOCK_H */
diff --git a/lib/logging.c b/lib/logging.c
new file mode 100644
index 0000000..fe964b5
--- /dev/null
+++ b/lib/logging.c
@@ -0,0 +1,165 @@
+/*
+   Provides a log file to ease tracing the program.
+
+   Copyright (C) 2006-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Roland Illig <roland.illig@gmx.de>, 2006
+   Slava Zanko <slavazanko@gmail.com>, 2009, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file logging.c
+ *  \brief Source: provides a log file to ease tracing the program
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#include "lib/global.h"
+#include "lib/mcconfig.h"
+#include "lib/fileloc.h"
+
+#include "logging.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define CONFIG_GROUP_NAME "Development"
+#define CONFIG_KEY_NAME "logging"
+#define CONFIG_KEY_NAME_FILE "logfile"
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean logging_initialized = FALSE;
+static gboolean logging_enabled = FALSE;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_logging_enabled_from_env (void)
+{
+    const char *env_is_enabled;
+
+    env_is_enabled = g_getenv ("MC_LOG_ENABLE");
+    if (env_is_enabled == NULL)
+        return FALSE;
+
+    logging_enabled = (*env_is_enabled == '1' || g_ascii_strcasecmp (env_is_enabled, "true") == 0);
+    logging_initialized = TRUE;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_logging_enabled (void)
+{
+
+    if (logging_initialized)
+        return logging_enabled;
+
+    if (is_logging_enabled_from_env ())
+        return logging_enabled;
+
+    logging_enabled =
+        mc_config_get_bool (mc_global.main_config, CONFIG_GROUP_NAME, CONFIG_KEY_NAME, FALSE);
+    logging_initialized = TRUE;
+
+    return logging_enabled;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+get_log_filename (void)
+{
+    const char *env_filename;
+
+    env_filename = g_getenv ("MC_LOG_FILE");
+    if (env_filename != NULL)
+        return g_strdup (env_filename);
+
+    if (mc_config_has_param (mc_global.main_config, CONFIG_GROUP_NAME, CONFIG_KEY_NAME_FILE))
+        return mc_config_get_string (mc_global.main_config, CONFIG_GROUP_NAME, CONFIG_KEY_NAME_FILE,
+                                     NULL);
+
+    return mc_config_get_full_path ("mc.log");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+G_GNUC_PRINTF (1, 0)
+mc_va_log (const char *fmt, va_list args)
+{
+    char *logfilename;
+
+    logfilename = get_log_filename ();
+
+    if (logfilename != NULL)
+    {
+        FILE *f;
+
+        f = fopen (logfilename, "a");
+        if (f != NULL)
+        {
+            (void) vfprintf (f, fmt, args);
+            (void) fclose (f);
+        }
+        g_free (logfilename);
+    }
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_log (const char *fmt, ...)
+{
+    va_list args;
+
+    if (!is_logging_enabled ())
+        return;
+
+    va_start (args, fmt);
+    mc_va_log (fmt, args);
+    va_end (args);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_always_log (const char *fmt, ...)
+{
+    va_list args;
+
+    va_start (args, fmt);
+    mc_va_log (fmt, args);
+    va_end (args);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/logging.h b/lib/logging.h
new file mode 100644
index 0000000..effdfb4
--- /dev/null
+++ b/lib/logging.h
@@ -0,0 +1,32 @@
+/** \file logging.h
+ *  \brief Header: provides a log file to ease tracing the program
+ */
+
+#ifndef MC_LOGGING_H
+#define MC_LOGGING_H
+
+/*
+   This file provides an easy-to-use function for writing all kinds of
+   events into a central log file that can be used for debugging.
+ */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define mc_log_mark() mc_log("%s:%d\n",__FILE__,__LINE__)
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* *INDENT-OFF* */
+void mc_log (const char *fmt, ...) G_GNUC_PRINTF (1, 2);
+void mc_always_log (const char *fmt, ...) G_GNUC_PRINTF (1, 2);
+/* *INDENT-ON* */
+
+/*** inline functions ****************************************************************************/
+
+#endif
diff --git a/lib/mcconfig.h b/lib/mcconfig.h
new file mode 100644
index 0000000..0c3ab3b
--- /dev/null
+++ b/lib/mcconfig.h
@@ -0,0 +1,116 @@
+#ifndef MC__CONFIG_H
+#define MC__CONFIG_H
+
+#include "lib/vfs/vfs.h"        /* vfs_path_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define CONFIG_APP_SECTION "Midnight-Commander"
+#define CONFIG_PANELS_SECTION "Panels"
+#define CONFIG_LAYOUT_SECTION "Layout"
+#define CONFIG_MISC_SECTION "Misc"
+#define CONFIG_EXT_EDITOR_VIEWER_SECTION "External editor or viewer parameters"
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_config_t
+{
+    GKeyFile *handle;
+    gchar *ini_path;
+} mc_config_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int num_history_items_recorded;
+
+/*** declarations of public functions ************************************************************/
+
+/* mcconfig/common.c: */
+
+mc_config_t *mc_config_init (const gchar * ini_path, gboolean read_only);
+void mc_config_deinit (mc_config_t * mc_config);
+
+gboolean mc_config_has_param (const mc_config_t * mc_config, const char *group,
+                              const gchar * param);
+gboolean mc_config_has_group (mc_config_t * mc_config, const char *group);
+
+gboolean mc_config_del_key (mc_config_t * mc_config, const char *group, const gchar * param);
+gboolean mc_config_del_group (mc_config_t * mc_config, const char *group);
+
+gboolean mc_config_read_file (mc_config_t * mc_config, const gchar * ini_path, gboolean read_only,
+                              gboolean remove_empty);
+gboolean mc_config_save_file (mc_config_t * config, GError ** mcerror);
+gboolean mc_config_save_to_file (mc_config_t * mc_config, const gchar * ini_path,
+                                 GError ** mcerror);
+
+
+/* mcconfig/get.c: */
+
+gchar **mc_config_get_groups (const mc_config_t * mc_config, gsize * len);
+gchar **mc_config_get_keys (const mc_config_t * mc_config, const gchar * group, gsize * len);
+
+gchar *mc_config_get_string (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                             const gchar * def);
+gchar *mc_config_get_string_raw (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                                 const gchar * def);
+gboolean mc_config_get_bool (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                             gboolean def);
+int mc_config_get_int (mc_config_t * mc_config, const gchar * group, const gchar * param, int def);
+
+gchar **mc_config_get_string_list (mc_config_t * mc_config, const gchar * group,
+                                   const gchar * param, gsize * length);
+gboolean *mc_config_get_bool_list (mc_config_t * mc_config, const gchar * group,
+                                   const gchar * param, gsize * length);
+int *mc_config_get_int_list (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                             gsize * length);
+
+
+/* mcconfig/set.c: */
+
+void mc_config_set_string_raw (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                               const gchar * value);
+void mc_config_set_string_raw_value (mc_config_t * mc_config, const gchar * group,
+                                     const gchar * param, const gchar * value);
+void mc_config_set_string (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                           const gchar * value);
+void mc_config_set_bool (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                         gboolean value);
+void mc_config_set_int (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                        int value);
+
+void
+mc_config_set_string_list (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                           const gchar * const value[], gsize length);
+void mc_config_set_bool_list (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                              gboolean value[], gsize length);
+void mc_config_set_int_list (mc_config_t * mc_config, const gchar * group, const gchar * param,
+                             int value[], gsize length);
+
+
+/* mcconfig/paths.c: */
+
+void mc_config_init_config_paths (GError ** error);
+void mc_config_deinit_config_paths (void);
+
+const char *mc_config_get_data_path (void);
+const char *mc_config_get_cache_path (void);
+const char *mc_config_get_home_dir (void);
+const char *mc_config_get_path (void);
+char *mc_config_get_full_path (const char *config_name);
+vfs_path_t *mc_config_get_full_vpath (const char *config_name);
+
+/* mcconfig/history.h */
+
+/* read history to the mc_config, but don't save config to file */
+GList *mc_config_history_get (const char *name);
+/* load history from the mc_config */
+GList *mc_config_history_load (mc_config_t * cfg, const char *name);
+/* save history to the mc_config, but don't save config to file */
+void mc_config_history_save (mc_config_t * cfg, const char *name, GList * h);
+
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__CONFIG_H */
diff --git a/lib/mcconfig/Makefile.am b/lib/mcconfig/Makefile.am
new file mode 100644
index 0000000..ad62b91
--- /dev/null
+++ b/lib/mcconfig/Makefile.am
@@ -0,0 +1,11 @@
+
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+
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+	get.c \
+	history.c \
+	set.c \
+	paths.c
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS)
diff --git a/lib/mcconfig/Makefile.in b/lib/mcconfig/Makefile.in
new file mode 100644
index 0000000..a2d1fa7
--- /dev/null
+++ b/lib/mcconfig/Makefile.in
@@ -0,0 +1,753 @@
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+
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+
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+
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diff --git a/lib/mcconfig/common.c b/lib/mcconfig/common.c
new file mode 100644
index 0000000..288a738
--- /dev/null
+++ b/lib/mcconfig/common.c
@@ -0,0 +1,285 @@
+/*
+   Configure module for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>              /* extern int errno */
+
+#include "lib/global.h"
+#include "lib/vfs/vfs.h"        /* mc_stat */
+#include "lib/util.h"
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_config_new_or_override_file (mc_config_t * mc_config, const gchar * ini_path, GError ** mcerror)
+{
+    gchar *data, *written_data;
+    gsize len, total_written;
+    gboolean ret;
+    int fd;
+    ssize_t cur_written;
+    vfs_path_t *ini_vpath;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    data = g_key_file_to_data (mc_config->handle, &len, NULL);
+    if (!exist_file (ini_path))
+    {
+        ret = g_file_set_contents (ini_path, data, len, mcerror);
+        g_free (data);
+        return ret;
+    }
+
+    mc_util_make_backup_if_possible (ini_path, "~");
+
+    ini_vpath = vfs_path_from_str (ini_path);
+    fd = mc_open (ini_vpath, O_WRONLY | O_TRUNC, 0);
+    vfs_path_free (ini_vpath, TRUE);
+
+    if (fd == -1)
+    {
+        mc_propagate_error (mcerror, 0, "%s", unix_error_string (errno));
+        g_free (data);
+        return FALSE;
+    }
+
+    for (written_data = data, total_written = len;
+         (cur_written = mc_write (fd, (const void *) written_data, total_written)) > 0;
+         written_data += cur_written, total_written -= cur_written)
+        ;
+
+    mc_close (fd);
+    g_free (data);
+
+    if (cur_written == -1)
+    {
+        mc_util_restore_from_backup_if_possible (ini_path, "~");
+        mc_propagate_error (mcerror, 0, "%s", unix_error_string (errno));
+        return FALSE;
+    }
+
+    mc_util_unlink_backup_if_possible (ini_path, "~");
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+mc_config_t *
+mc_config_init (const gchar * ini_path, gboolean read_only)
+{
+    mc_config_t *mc_config;
+    struct stat st;
+
+    mc_config = g_try_malloc0 (sizeof (mc_config_t));
+    if (mc_config == NULL)
+        return NULL;
+
+    mc_config->handle = g_key_file_new ();
+    if (mc_config->handle == NULL)
+    {
+        g_free (mc_config);
+        return NULL;
+    }
+
+    if (ini_path == NULL)
+        return mc_config;
+
+    if (exist_file (ini_path))
+    {
+        vfs_path_t *vpath;
+
+        vpath = vfs_path_from_str (ini_path);
+        if (mc_stat (vpath, &st) == 0 && st.st_size != 0)
+        {
+            GKeyFileFlags flags = G_KEY_FILE_NONE;
+
+            if (!read_only)
+                flags |= G_KEY_FILE_KEEP_COMMENTS;
+
+            /* file exists and not empty */
+            g_key_file_load_from_file (mc_config->handle, ini_path, flags, NULL);
+        }
+        vfs_path_free (vpath, TRUE);
+    }
+
+    mc_config->ini_path = g_strdup (ini_path);
+    return mc_config;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_deinit (mc_config_t * mc_config)
+{
+    if (mc_config != NULL)
+    {
+        g_free (mc_config->ini_path);
+        g_key_file_free (mc_config->handle);
+        g_free (mc_config);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_has_param (const mc_config_t * mc_config, const char *group, const gchar * param)
+{
+    char *value;
+    gboolean ret;
+
+    g_return_val_if_fail (mc_config != NULL, FALSE);
+
+    value = g_key_file_get_value (mc_config->handle, group, param, NULL);
+    ret = value != NULL;
+    g_free (value);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_has_group (mc_config_t * mc_config, const char *group)
+{
+    if (mc_config == NULL || group == NULL)
+        return FALSE;
+
+    return g_key_file_has_group (mc_config->handle, group);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_del_key (mc_config_t * mc_config, const char *group, const gchar * param)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return FALSE;
+
+    return g_key_file_remove_key (mc_config->handle, group, param, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_del_group (mc_config_t * mc_config, const char *group)
+{
+    if (mc_config == NULL || group == NULL)
+        return FALSE;
+
+    return g_key_file_remove_group (mc_config->handle, group, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_read_file (mc_config_t * mc_config, const gchar * ini_path, gboolean read_only,
+                     gboolean remove_empty)
+{
+    mc_config_t *tmp_config;
+    gchar **groups, **curr_grp;
+    gchar *value;
+    gboolean ok;
+
+    if (mc_config == NULL)
+        return FALSE;
+
+    tmp_config = mc_config_init (ini_path, read_only);
+    if (tmp_config == NULL)
+        return FALSE;
+
+    groups = mc_config_get_groups (tmp_config, NULL);
+    ok = (*groups != NULL);
+
+    for (curr_grp = groups; *curr_grp != NULL; curr_grp++)
+    {
+        gchar **keys, **curr_key;
+
+        keys = mc_config_get_keys (tmp_config, *curr_grp, NULL);
+
+        for (curr_key = keys; *curr_key != NULL; curr_key++)
+        {
+            value = g_key_file_get_value (tmp_config->handle, *curr_grp, *curr_key, NULL);
+            if (value != NULL)
+            {
+                if (*value == '\0' && remove_empty)
+                    g_key_file_remove_key (mc_config->handle, *curr_grp, *curr_key, NULL);
+                else
+                    g_key_file_set_value (mc_config->handle, *curr_grp, *curr_key, value);
+                g_free (value);
+            }
+            else if (remove_empty)
+                g_key_file_remove_key (mc_config->handle, *curr_grp, *curr_key, NULL);
+        }
+        g_strfreev (keys);
+    }
+
+    g_strfreev (groups);
+    mc_config_deinit (tmp_config);
+
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_save_file (mc_config_t * mc_config, GError ** mcerror)
+{
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if (mc_config == NULL || mc_config->ini_path == NULL)
+        return FALSE;
+
+    return mc_config_new_or_override_file (mc_config, mc_config->ini_path, mcerror);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_save_to_file (mc_config_t * mc_config, const gchar * ini_path, GError ** mcerror)
+{
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if (mc_config == NULL)
+        return FALSE;
+
+    return mc_config_new_or_override_file (mc_config, ini_path, mcerror);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/mcconfig/get.c b/lib/mcconfig/get.c
new file mode 100644
index 0000000..c2703d3
--- /dev/null
+++ b/lib/mcconfig/get.c
@@ -0,0 +1,214 @@
+/*
+   Configure module for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gchar **
+mc_config_get_groups (const mc_config_t * mc_config, gsize * len)
+{
+    gchar **ret = NULL;
+
+    if (mc_config != NULL)
+        ret = g_key_file_get_groups (mc_config->handle, len);
+
+    if (ret == NULL)
+    {
+        ret = g_try_malloc0 (sizeof (gchar **));
+        if (len != NULL)
+            *len = 0;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar **
+mc_config_get_keys (const mc_config_t * mc_config, const gchar * group, gsize * len)
+{
+    gchar **ret = NULL;
+
+    if (mc_config != NULL && group != NULL)
+        ret = g_key_file_get_keys (mc_config->handle, group, len, NULL);
+
+    if (ret == NULL)
+    {
+        ret = g_try_malloc0 (sizeof (gchar **));
+        if (len != NULL)
+            *len = 0;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+mc_config_get_string (mc_config_t * mc_config, const gchar * group,
+                      const gchar * param, const gchar * def)
+{
+    GIConv conv;
+    GString *buffer;
+    gchar *ret;
+    estr_t conv_res;
+
+    ret = mc_config_get_string_raw (mc_config, group, param, def);
+
+    if (mc_global.utf8_display)
+        return ret;
+
+    conv = str_crt_conv_from ("UTF-8");
+    if (conv == INVALID_CONV)
+        return ret;
+
+    buffer = g_string_new ("");
+    conv_res = str_convert (conv, ret, buffer);
+    str_close_conv (conv);
+
+    if (conv_res == ESTR_FAILURE)
+    {
+        g_string_free (buffer, TRUE);
+        return ret;
+    }
+
+    g_free (ret);
+
+    return g_string_free (buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+mc_config_get_string_raw (mc_config_t * mc_config, const gchar * group,
+                          const gchar * param, const gchar * def)
+{
+    gchar *ret;
+
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return g_strdup (def);
+
+    if (!mc_config_has_param (mc_config, group, param))
+    {
+        if (def != NULL)
+            mc_config_set_string (mc_config, group, param, def);
+        return g_strdup (def);
+    }
+
+    ret = g_key_file_get_string (mc_config->handle, group, param, NULL);
+
+    return ret != NULL ? ret : g_strdup (def);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_config_get_bool (mc_config_t * mc_config, const gchar * group, const gchar * param, gboolean def)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return def;
+
+    if (!mc_config_has_param (mc_config, group, param))
+    {
+        mc_config_set_bool (mc_config, group, param, def);
+        return def;
+    }
+
+    return g_key_file_get_boolean (mc_config->handle, group, param, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_config_get_int (mc_config_t * mc_config, const gchar * group, const gchar * param, int def)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return def;
+
+    if (!mc_config_has_param (mc_config, group, param))
+    {
+        mc_config_set_int (mc_config, group, param, def);
+        return def;
+    }
+
+    return g_key_file_get_integer (mc_config->handle, group, param, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar **
+mc_config_get_string_list (mc_config_t * mc_config, const gchar * group,
+                           const gchar * param, gsize * length)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return NULL;
+
+    return g_key_file_get_string_list (mc_config->handle, group, param, length, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean *
+mc_config_get_bool_list (mc_config_t * mc_config, const gchar * group,
+                         const gchar * param, gsize * length)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return NULL;
+
+    return g_key_file_get_boolean_list (mc_config->handle, group, param, length, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int *
+mc_config_get_int_list (mc_config_t * mc_config, const gchar * group,
+                        const gchar * param, gsize * length)
+{
+    if (mc_config == NULL || group == NULL || param == NULL)
+        return NULL;
+
+    return g_key_file_get_integer_list (mc_config->handle, group, param, length, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/mcconfig/history.c b/lib/mcconfig/history.c
new file mode 100644
index 0000000..9a288e3
--- /dev/null
+++ b/lib/mcconfig/history.c
@@ -0,0 +1,219 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2019
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file history.c
+ *  \brief Source: save and load history
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+
+#include "lib/fileloc.h"        /* MC_HISTORY_FILE */
+#include "lib/strutil.h"
+#include "lib/util.h"           /* list_append_unique */
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/* how much history items are used */
+int num_history_items_recorded = 60;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Load the history from the ${XDG_CACHE_HOME}/mc/history file.
+ * It is called with the widgets history name and returns the GList list.
+ */
+
+GList *
+mc_config_history_get (const char *name)
+{
+    GList *hist = NULL;
+    char *profile;
+    mc_config_t *cfg;
+
+    if (num_history_items_recorded == 0)        /* this is how to disable */
+        return NULL;
+    if (name == NULL || *name == '\0')
+        return NULL;
+
+    profile = mc_config_get_full_path (MC_HISTORY_FILE);
+    cfg = mc_config_init (profile, TRUE);
+
+    hist = mc_config_history_load (cfg, name);
+
+    mc_config_deinit (cfg);
+    g_free (profile);
+
+    return hist;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Load history from the mc_config
+ */
+GList *
+mc_config_history_load (mc_config_t * cfg, const char *name)
+{
+    size_t i;
+    GList *hist = NULL;
+    char **keys;
+    size_t keys_num = 0;
+    GIConv conv = INVALID_CONV;
+    GString *buffer;
+
+    if (name == NULL || *name == '\0')
+        return NULL;
+
+    /* get number of keys */
+    keys = mc_config_get_keys (cfg, name, &keys_num);
+    g_strfreev (keys);
+
+    /* create charset conversion handler to convert strings
+       from utf-8 to system codepage */
+    if (!mc_global.utf8_display)
+        conv = str_crt_conv_from ("UTF-8");
+
+    buffer = g_string_sized_new (64);
+
+    for (i = 0; i < keys_num; i++)
+    {
+        char key[BUF_TINY];
+        char *this_entry;
+
+        g_snprintf (key, sizeof (key), "%lu", (unsigned long) i);
+        this_entry = mc_config_get_string_raw (cfg, name, key, "");
+
+        if (this_entry == NULL)
+            continue;
+
+        if (conv == INVALID_CONV)
+            hist = list_append_unique (hist, this_entry);
+        else
+        {
+            g_string_set_size (buffer, 0);
+            if (str_convert (conv, this_entry, buffer) == ESTR_FAILURE)
+                hist = list_append_unique (hist, this_entry);
+            else
+            {
+                hist = list_append_unique (hist, g_strndup (buffer->str, buffer->len));
+                g_free (this_entry);
+            }
+        }
+    }
+
+    g_string_free (buffer, TRUE);
+    if (conv != INVALID_CONV)
+        str_close_conv (conv);
+
+    /* return pointer to the last entry in the list */
+    return g_list_last (hist);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Save history to the mc_config, but don't save config to file
+  */
+void
+mc_config_history_save (mc_config_t * cfg, const char *name, GList * h)
+{
+    GIConv conv = INVALID_CONV;
+    GString *buffer;
+    int i;
+
+    if (name == NULL || *name == '\0' || h == NULL)
+        return;
+
+    /* go to end of list */
+    h = g_list_last (h);
+
+    /* go back 60 places */
+    for (i = 0; (i < num_history_items_recorded - 1) && (h->prev != NULL); i++)
+        h = g_list_previous (h);
+
+    if (name != NULL)
+        mc_config_del_group (cfg, name);
+
+    /* create charset conversion handler to convert strings
+       from system codepage to UTF-8 */
+    if (!mc_global.utf8_display)
+        conv = str_crt_conv_to ("UTF-8");
+
+    buffer = g_string_sized_new (64);
+
+    /* dump history into profile */
+    for (i = 0; h != NULL; h = g_list_next (h))
+    {
+        char key[BUF_TINY];
+        char *text = (char *) h->data;
+
+        /* We shouldn't have null entries, but let's be sure */
+        if (text == NULL)
+            continue;
+
+        g_snprintf (key, sizeof (key), "%d", i++);
+
+        if (conv == INVALID_CONV)
+            mc_config_set_string_raw (cfg, name, key, text);
+        else
+        {
+            g_string_set_size (buffer, 0);
+            if (str_convert (conv, text, buffer) == ESTR_FAILURE)
+                mc_config_set_string_raw (cfg, name, key, text);
+            else
+                mc_config_set_string_raw (cfg, name, key, buffer->str);
+        }
+    }
+
+    g_string_free (buffer, TRUE);
+    if (conv != INVALID_CONV)
+        str_close_conv (conv);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/mcconfig/paths.c b/lib/mcconfig/paths.c
new file mode 100644
index 0000000..1f9efb8
--- /dev/null
+++ b/lib/mcconfig/paths.c
@@ -0,0 +1,313 @@
+/*
+   paths to configuration files
+
+   Copyright (C) 2010-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2010.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "lib/global.h"
+#include "lib/fileloc.h"
+#include "lib/vfs/vfs.h"
+#include "lib/util.h"           /* unix_error_string() */
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean xdg_vars_initialized = FALSE;
+static char *mc_config_str = NULL;
+static char *mc_cache_str = NULL;
+static char *mc_data_str = NULL;
+
+static gboolean config_dir_present = FALSE;
+
+static const struct
+{
+    char **basedir;
+    const char *filename;
+} mc_config_files_reference[] =
+{
+    /* *INDENT-OFF* */
+    /* config */
+    { &mc_config_str, MC_CONFIG_FILE },
+    { &mc_config_str, MC_FHL_INI_FILE },
+    { &mc_config_str, MC_HOTLIST_FILE },
+    { &mc_config_str, GLOBAL_KEYMAP_FILE },
+    { &mc_config_str, MC_USERMENU_FILE },
+    { &mc_config_str, EDIT_HOME_MENU },
+    { &mc_config_str, MC_PANELS_FILE },
+
+    /* User should move this file with applying some changes in file */
+    { &mc_config_str, MC_EXT_FILE },
+    { &mc_config_str, MC_EXT_OLD_FILE },
+
+    /* data */
+    { &mc_data_str, MC_SKINS_DIR },
+    { &mc_data_str, FISH_PREFIX },
+    { &mc_data_str, MC_ASHRC_FILE },
+    { &mc_data_str, MC_BASHRC_FILE },
+    { &mc_data_str, MC_INPUTRC_FILE },
+    { &mc_data_str, MC_ZSHRC_FILE },
+    { &mc_data_str, MC_EXTFS_DIR },
+    { &mc_data_str, MC_HISTORY_FILE },
+    { &mc_data_str, MC_FILEPOS_FILE },
+    { &mc_data_str, EDIT_SYNTAX_FILE },
+    { &mc_data_str, EDIT_HOME_CLIP_FILE },
+    { &mc_data_str, MC_MACRO_FILE },
+
+    /* cache */
+    { &mc_cache_str, "mc.log" },
+    { &mc_cache_str, MC_TREESTORE_FILE },
+    { &mc_cache_str, EDIT_HOME_TEMP_FILE },
+    { &mc_cache_str, EDIT_HOME_BLOCK_FILE },
+
+    { NULL, NULL }
+    /* *INDENT-ON* */
+};
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions *********************************************************************** */
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_config_mkdir (const char *directory_name, GError ** mcerror)
+{
+    mc_return_if_error (mcerror);
+
+    if ((!g_file_test (directory_name, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) &&
+        (g_mkdir_with_parents (directory_name, 0700) != 0))
+        mc_propagate_error (mcerror, 0, _("Cannot create %s directory"), directory_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_config_init_one_config_path (const char *path_base, const char *subdir, GError ** mcerror)
+{
+    char *full_path;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    full_path = g_build_filename (path_base, subdir, (char *) NULL);
+
+    if (g_file_test (full_path, G_FILE_TEST_EXISTS))
+    {
+        if (g_file_test (full_path, G_FILE_TEST_IS_DIR))
+            config_dir_present = TRUE;
+        else
+        {
+            fprintf (stderr, "%s %s\n", _("FATAL: not a directory:"), full_path);
+            exit (EXIT_FAILURE);
+        }
+    }
+
+    mc_config_mkdir (full_path, mcerror);
+    if (mcerror != NULL && *mcerror != NULL)
+        MC_PTR_FREE (full_path);
+
+    return full_path;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_init_config_paths (GError ** mcerror)
+{
+    const char *profile_root;
+    char *dir;
+
+    mc_return_if_error (mcerror);
+
+    if (xdg_vars_initialized)
+        return;
+
+    profile_root = mc_get_profile_root ();
+
+    if (strcmp (profile_root, mc_config_get_home_dir ()) != 0)
+    {
+        /*
+         * The user overrode the default profile root.
+         *
+         * In this case we can't use GLib's g_get_user_{config,cache,data}_dir()
+         * as these functions use the user's home dir as the root.
+         */
+
+        dir = g_build_filename (profile_root, ".config", (char *) NULL);
+        mc_config_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+        g_free (dir);
+
+        dir = g_build_filename (profile_root, ".cache", (char *) NULL);
+        mc_cache_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+        g_free (dir);
+
+        dir = g_build_filename (profile_root, ".local", "share", (char *) NULL);
+        mc_data_str = mc_config_init_one_config_path (dir, MC_USERCONF_DIR, mcerror);
+        g_free (dir);
+    }
+    else
+    {
+        mc_config_str =
+            mc_config_init_one_config_path (g_get_user_config_dir (), MC_USERCONF_DIR, mcerror);
+        mc_cache_str =
+            mc_config_init_one_config_path (g_get_user_cache_dir (), MC_USERCONF_DIR, mcerror);
+        mc_data_str =
+            mc_config_init_one_config_path (g_get_user_data_dir (), MC_USERCONF_DIR, mcerror);
+    }
+
+    xdg_vars_initialized = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_deinit_config_paths (void)
+{
+    if (!xdg_vars_initialized)
+        return;
+
+    g_free (mc_config_str);
+    g_free (mc_cache_str);
+    g_free (mc_data_str);
+
+    g_free (mc_global.share_data_dir);
+    g_free (mc_global.sysconfig_dir);
+
+    xdg_vars_initialized = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_data_path (void)
+{
+    if (!xdg_vars_initialized)
+        mc_config_init_config_paths (NULL);
+
+    return (const char *) mc_data_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_cache_path (void)
+{
+    if (!xdg_vars_initialized)
+        mc_config_init_config_paths (NULL);
+
+    return (const char *) mc_cache_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_home_dir (void)
+{
+    static const char *homedir = NULL;
+
+    if (homedir == NULL)
+    {
+        /* Prior to GLib 2.36, g_get_home_dir() ignores $HOME, which is why
+         * we read it ourselves. As that function's documentation explains,
+         * using $HOME is good for compatibility with other programs and
+         * for running from test frameworks. */
+        homedir = g_getenv ("HOME");
+        if (homedir == NULL || *homedir == '\0')
+            homedir = g_get_home_dir ();
+    }
+
+    return homedir;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+mc_config_get_path (void)
+{
+    if (!xdg_vars_initialized)
+        mc_config_init_config_paths (NULL);
+
+    return (const char *) mc_config_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get full path to config file by short name.
+ *
+ * @param config_name short name
+ * @return full path to config file
+ */
+
+char *
+mc_config_get_full_path (const char *config_name)
+{
+    size_t rule_index;
+
+    if (config_name == NULL)
+        return NULL;
+
+    if (!xdg_vars_initialized)
+        mc_config_init_config_paths (NULL);
+
+    for (rule_index = 0; mc_config_files_reference[rule_index].filename != NULL; rule_index++)
+        if (strcmp (config_name, mc_config_files_reference[rule_index].filename) == 0)
+            return g_build_filename (*mc_config_files_reference[rule_index].basedir,
+                                     mc_config_files_reference[rule_index].filename, (char *) NULL);
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get full path to config file by short name.
+ *
+ * @param config_name short name
+ * @return object with full path to config file
+ */
+
+vfs_path_t *
+mc_config_get_full_vpath (const char *config_name)
+{
+    vfs_path_t *ret_vpath;
+    char *str_path;
+
+    str_path = mc_config_get_full_path (config_name);
+
+    ret_vpath = vfs_path_from_str (str_path);
+    g_free (str_path);
+
+    return ret_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/mcconfig/set.c b/lib/mcconfig/set.c
new file mode 100644
index 0000000..6305220
--- /dev/null
+++ b/lib/mcconfig/set.c
@@ -0,0 +1,157 @@
+/*
+   Configure module for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+#include "lib/mcconfig.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gchar *
+mc_config_normalize_before_save (const gchar * value)
+{
+    GIConv conv;
+    GString *buffer;
+    gboolean ok;
+
+    if (mc_global.utf8_display)
+        return g_strdup (value);
+
+    conv = str_crt_conv_to ("UTF-8");
+    if (conv == INVALID_CONV)
+        return g_strdup (value);
+
+    buffer = g_string_new ("");
+
+    ok = (str_convert (conv, value, buffer) != ESTR_FAILURE);
+    str_close_conv (conv);
+
+    if (!ok)
+    {
+        g_string_free (buffer, TRUE);
+        return g_strdup (value);
+    }
+
+    return g_string_free (buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_string_raw (mc_config_t * mc_config, const gchar * group,
+                          const gchar * param, const gchar * value)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL)
+        g_key_file_set_string (mc_config->handle, group, param, value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_string_raw_value (mc_config_t * mc_config, const gchar * group,
+                                const gchar * param, const gchar * value)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL)
+        g_key_file_set_value (mc_config->handle, group, param, value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_string (mc_config_t * mc_config, const gchar * group,
+                      const gchar * param, const gchar * value)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL)
+    {
+        gchar *buffer;
+
+        buffer = mc_config_normalize_before_save (value);
+        g_key_file_set_string (mc_config->handle, group, param, buffer);
+        g_free (buffer);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_bool (mc_config_t * mc_config, const gchar * group,
+                    const gchar * param, gboolean value)
+{
+    if (mc_config != NULL && group != NULL && param != NULL)
+        g_key_file_set_boolean (mc_config->handle, group, param, value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_int (mc_config_t * mc_config, const gchar * group, const gchar * param, int value)
+{
+    if (mc_config != NULL && group != NULL && param != NULL)
+        g_key_file_set_integer (mc_config->handle, group, param, value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_string_list (mc_config_t * mc_config, const gchar * group,
+                           const gchar * param, const gchar * const value[], gsize length)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL && length != 0)
+        g_key_file_set_string_list (mc_config->handle, group, param, value, length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_bool_list (mc_config_t * mc_config, const gchar * group,
+                         const gchar * param, gboolean value[], gsize length)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL && length != 0)
+        g_key_file_set_boolean_list (mc_config->handle, group, param, value, length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_config_set_int_list (mc_config_t * mc_config, const gchar * group,
+                        const gchar * param, int value[], gsize length)
+{
+    if (mc_config != NULL && group != NULL && param != NULL && value != NULL && length != 0)
+        g_key_file_set_integer_list (mc_config->handle, group, param, value, length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/search.h b/lib/search.h
new file mode 100644
index 0000000..3432a55
--- /dev/null
+++ b/lib/search.h
@@ -0,0 +1,180 @@
+#ifndef MC__SEARCH_H
+#define MC__SEARCH_H
+
+#include <config.h>
+
+#include "lib/global.h"         /* <glib.h> */
+
+#include <sys/types.h>
+
+#ifdef SEARCH_TYPE_PCRE
+#include <pcre.h>
+#endif
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+typedef enum mc_search_cbret_t mc_search_cbret_t;
+
+typedef mc_search_cbret_t (*mc_search_fn) (const void *user_data, gsize char_offset,
+                                           int *current_char);
+typedef mc_search_cbret_t (*mc_update_fn) (const void *user_data, gsize char_offset);
+
+#define MC_SEARCH__NUM_REPLACE_ARGS 64
+
+#ifdef SEARCH_TYPE_GLIB
+#define mc_search_matchinfo_t GMatchInfo
+#else
+#define mc_search_matchinfo_t pcre_extra
+#endif
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    MC_SEARCH_E_OK = 0,
+    MC_SEARCH_E_INPUT,
+    MC_SEARCH_E_REGEX_COMPILE,
+    MC_SEARCH_E_REGEX,
+    MC_SEARCH_E_REGEX_REPLACE,
+    MC_SEARCH_E_NOTFOUND,
+    MC_SEARCH_E_ABORT
+} mc_search_error_t;
+
+typedef enum
+{
+    MC_SEARCH_T_INVALID = -1,
+    MC_SEARCH_T_NORMAL,
+    MC_SEARCH_T_REGEX,
+    MC_SEARCH_T_HEX,
+    MC_SEARCH_T_GLOB
+} mc_search_type_t;
+
+enum mc_search_cbret_t
+{
+    MC_SEARCH_CB_OK = 0,
+    MC_SEARCH_CB_INVALID = -1,
+    MC_SEARCH_CB_ABORT = -2,
+    MC_SEARCH_CB_SKIP = -3,
+    MC_SEARCH_CB_NOTFOUND = -4
+};
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_search_struct
+{
+    /* public input data */
+
+#ifdef HAVE_CHARSET
+    /* search in all charsets */
+    gboolean is_all_charsets;
+#endif
+
+    /* case sensitive search */
+    gboolean is_case_sensitive;
+
+    /* search only once.  Is this for replace? */
+    gboolean is_once_only;
+
+    /* search only whole words (from begin to end). Used only with NORMAL search type */
+    gboolean whole_words;
+
+    /* search entire string (from begin to end). Used only with GLOB search type */
+    gboolean is_entire_line;
+
+    /* function, used for getting data. NULL if not used */
+    mc_search_fn search_fn;
+
+    /* function, used for updatin current search status. NULL if not used */
+    mc_update_fn update_fn;
+
+    /* type of search */
+    mc_search_type_t search_type;
+
+    /* public output data */
+
+    /* some data for normal */
+    off_t normal_offset;
+
+    off_t start_buffer;
+    /* some data for regexp */
+    int num_results;
+    gboolean is_utf8;
+    mc_search_matchinfo_t *regex_match_info;
+    GString *regex_buffer;
+#ifdef SEARCH_TYPE_PCRE
+    int iovector[MC_SEARCH__NUM_REPLACE_ARGS * 2];
+#endif                          /* SEARCH_TYPE_PCRE */
+
+    /* private data */
+
+    struct
+    {
+        GPtrArray *conditions;
+        gboolean result;
+    } prepared;
+
+    /* original search string */
+    struct
+    {
+        GString *str;
+#ifdef HAVE_CHARSET
+        gchar *charset;
+#endif
+    } original;
+
+    /* error code after search */
+    mc_search_error_t error;
+    gchar *error_str;
+} mc_search_t;
+
+typedef struct mc_search_type_str_struct
+{
+    const char *str;
+    mc_search_type_t type;
+} mc_search_type_str_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/* Error messages */
+extern const char *STR_E_NOTFOUND;
+extern const char *STR_E_UNKNOWN_TYPE;
+extern const char *STR_E_RPL_NOT_EQ_TO_FOUND;
+extern const char *STR_E_RPL_INVALID_TOKEN;
+
+/*** declarations of public functions ************************************************************/
+
+mc_search_t *mc_search_new (const gchar * original, const gchar * original_charset);
+
+mc_search_t *mc_search_new_len (const gchar * original, gsize original_len,
+                                const gchar * original_charset);
+
+void mc_search_free (mc_search_t * lc_mc_search);
+
+gboolean mc_search_prepare (mc_search_t * mc_search);
+
+gboolean mc_search_run (mc_search_t * mc_search, const void *user_data, gsize start_search,
+                        gsize end_search, gsize * found_len);
+
+gboolean mc_search_is_type_avail (mc_search_type_t search_type);
+
+const mc_search_type_str_t *mc_search_types_list_get (size_t * num);
+
+GString *mc_search_prepare_replace_str (mc_search_t * mc_search, GString * replace_str);
+char *mc_search_prepare_replace_str2 (mc_search_t * lc_mc_search, const char *replace_str);
+
+gboolean mc_search_is_fixed_search_str (const mc_search_t * lc_mc_search);
+
+gchar **mc_search_get_types_strings_array (size_t * num);
+
+gboolean mc_search (const gchar * pattern, const gchar * pattern_charset, const gchar * str,
+                    mc_search_type_t type);
+
+int mc_search_getstart_result_by_num (mc_search_t * lc_mc_search, int lc_index);
+int mc_search_getend_result_by_num (mc_search_t * lc_mc_search, int lc_index);
+
+/* *INDENT-OFF* */
+void mc_search_set_error (mc_search_t * lc_mc_search, mc_search_error_t code, const gchar * format, ...)
+     G_GNUC_PRINTF (3, 4);
+/* *INDENT-ON* */
+
+#endif /* MC__SEARCH_H */
diff --git a/lib/search/Makefile.am b/lib/search/Makefile.am
new file mode 100644
index 0000000..ed9d3aa
--- /dev/null
+++ b/lib/search/Makefile.am
@@ -0,0 +1,12 @@
+noinst_LTLIBRARIES = libsearch.la
+
+libsearch_la_SOURCES = \
+	search.c \
+	internal.h \
+	lib.c \
+	normal.c \
+	regex.c \
+	glob.c \
+	hex.c
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS) $(PCRE_CPPFLAGS)
diff --git a/lib/search/Makefile.in b/lib/search/Makefile.in
new file mode 100644
index 0000000..5558941
--- /dev/null
+++ b/lib/search/Makefile.in
@@ -0,0 +1,758 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = lib/search
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/gettext.m4 \
+	$(top_srcdir)/m4/iconv.m4 $(top_srcdir)/m4/intlmacosx.m4 \
+	$(top_srcdir)/m4/lib-ld.m4 $(top_srcdir)/m4/lib-link.m4 \
+	$(top_srcdir)/m4/lib-prefix.m4 $(top_srcdir)/m4/libtool.m4 \
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+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/glob.Plo
+	-rm -f ./$(DEPDIR)/hex.Plo
+	-rm -f ./$(DEPDIR)/lib.Plo
+	-rm -f ./$(DEPDIR)/normal.Plo
+	-rm -f ./$(DEPDIR)/regex.Plo
+	-rm -f ./$(DEPDIR)/search.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/glob.Plo
+	-rm -f ./$(DEPDIR)/hex.Plo
+	-rm -f ./$(DEPDIR)/lib.Plo
+	-rm -f ./$(DEPDIR)/normal.Plo
+	-rm -f ./$(DEPDIR)/regex.Plo
+	-rm -f ./$(DEPDIR)/search.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/search/glob.c b/lib/search/glob.c
new file mode 100644
index 0000000..ae1b931
--- /dev/null
+++ b/lib/search/glob.c
@@ -0,0 +1,203 @@
+/*
+   Search text engine.
+   Glob-style pattern matching
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+#include "lib/strescape.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static GString *
+mc_search__glob_translate_to_regex (const GString * astr)
+{
+    const char *str = astr->str;
+    GString *buff;
+    gsize loop;
+    gboolean inside_group = FALSE;
+
+    buff = g_string_sized_new (32);
+
+    for (loop = 0; loop < astr->len; loop++)
+    {
+        switch (str[loop])
+        {
+        case '*':
+            if (!strutils_is_char_escaped (str, &(str[loop])))
+            {
+                g_string_append (buff, inside_group ? ".*" : "(.*)");
+                continue;
+            }
+            break;
+        case '?':
+            if (!strutils_is_char_escaped (str, &(str[loop])))
+            {
+                g_string_append (buff, inside_group ? "." : "(.)");
+                continue;
+            }
+            break;
+        case ',':
+            if (!strutils_is_char_escaped (str, &(str[loop])))
+            {
+                g_string_append_c (buff, inside_group ? '|' : ',');
+                continue;
+            }
+            break;
+        case '{':
+            if (!strutils_is_char_escaped (str, &(str[loop])))
+            {
+                g_string_append_c (buff, '(');
+                inside_group = TRUE;
+                continue;
+            }
+            break;
+        case '}':
+            if (!strutils_is_char_escaped (str, &(str[loop])))
+            {
+                g_string_append_c (buff, ')');
+                inside_group = FALSE;
+                continue;
+            }
+            break;
+        case '+':
+        case '.':
+        case '$':
+        case '(':
+        case ')':
+        case '^':
+            g_string_append_c (buff, '\\');
+            break;
+        default:
+            break;
+        }
+        g_string_append_c (buff, str[loop]);
+    }
+    return buff;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GString *
+mc_search__translate_replace_glob_to_regex (const char *str)
+{
+    GString *buff;
+    char cnt = '0';
+    gboolean escaped_mode = FALSE;
+
+    buff = g_string_sized_new (32);
+
+    while (*str != '\0')
+    {
+        char c = *str++;
+
+        switch (c)
+        {
+        case '\\':
+            if (!escaped_mode)
+            {
+                escaped_mode = TRUE;
+                g_string_append_c (buff, '\\');
+                continue;
+            }
+            break;
+        case '*':
+        case '?':
+            if (!escaped_mode)
+            {
+                g_string_append_c (buff, '\\');
+                c = ++cnt;
+            }
+            break;
+        case '&':
+            if (!escaped_mode)
+                g_string_append_c (buff, '\\');
+            break;
+        default:
+            break;
+        }
+        g_string_append_c (buff, c);
+        escaped_mode = FALSE;
+    }
+    return buff;
+}
+
+/*** public functions ****************************************************************************/
+
+void
+mc_search__cond_struct_new_init_glob (const char *charset, mc_search_t * lc_mc_search,
+                                      mc_search_cond_t * mc_search_cond)
+{
+    GString *tmp;
+
+    tmp = mc_search__glob_translate_to_regex (mc_search_cond->str);
+    g_string_free (mc_search_cond->str, TRUE);
+
+    if (lc_mc_search->is_entire_line)
+    {
+        g_string_prepend_c (tmp, '^');
+        g_string_append_c (tmp, '$');
+    }
+    mc_search_cond->str = tmp;
+
+    mc_search__cond_struct_new_init_regex (charset, lc_mc_search, mc_search_cond);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search__run_glob (mc_search_t * lc_mc_search, const void *user_data,
+                     gsize start_search, gsize end_search, gsize * found_len)
+{
+    return mc_search__run_regex (lc_mc_search, user_data, start_search, end_search, found_len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search_glob_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str)
+{
+    GString *repl, *res;
+
+    repl = mc_search__translate_replace_glob_to_regex (replace_str->str);
+    res = mc_search_regex_prepare_replace_str (lc_mc_search, repl);
+    g_string_free (repl, TRUE);
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/search/hex.c b/lib/search/hex.c
new file mode 100644
index 0000000..40bae1e
--- /dev/null
+++ b/lib/search/hex.c
@@ -0,0 +1,229 @@
+/*
+   Search text engine.
+   HEX-style pattern matching
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+#include "lib/strescape.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+typedef enum
+{
+    MC_SEARCH_HEX_E_OK,
+    MC_SEARCH_HEX_E_NUM_OUT_OF_RANGE,
+    MC_SEARCH_HEX_E_INVALID_CHARACTER,
+    MC_SEARCH_HEX_E_UNMATCHED_QUOTES
+} mc_search_hex_parse_error_t;
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static GString *
+mc_search__hex_translate_to_regex (const GString * astr, mc_search_hex_parse_error_t * error_ptr,
+                                   int *error_pos_ptr)
+{
+    GString *buff;
+    const char *str;
+    gsize str_len;
+    gsize loop = 0;
+    mc_search_hex_parse_error_t error = MC_SEARCH_HEX_E_OK;
+
+    buff = g_string_sized_new (64);
+    str = astr->str;
+    str_len = astr->len;
+
+    while (loop < str_len && error == MC_SEARCH_HEX_E_OK)
+    {
+        unsigned int val;
+        int ptr;
+
+        if (g_ascii_isspace (str[loop]))
+        {
+            /* Eat-up whitespace between tokens. */
+            while (g_ascii_isspace (str[loop]))
+                loop++;
+        }
+        /* cppcheck-suppress invalidscanf */
+        else if (sscanf (str + loop, "%x%n", &val, &ptr) == 1)
+        {
+            if (val > 255)
+                error = MC_SEARCH_HEX_E_NUM_OUT_OF_RANGE;
+            else
+            {
+                g_string_append_printf (buff, "\\x%02X", val);
+                loop += ptr;
+            }
+        }
+        else if (str[loop] == '"')
+        {
+            gsize loop2;
+
+            loop2 = loop + 1;
+
+            while (loop2 < str_len)
+            {
+                if (str[loop2] == '"')
+                    break;
+                if (str[loop2] == '\\' && loop2 + 1 < str_len)
+                    loop2++;
+                g_string_append_c (buff, str[loop2]);
+                loop2++;
+            }
+
+            if (str[loop2] == '\0')
+                error = MC_SEARCH_HEX_E_UNMATCHED_QUOTES;
+            else
+                loop = loop2 + 1;
+        }
+        else
+            error = MC_SEARCH_HEX_E_INVALID_CHARACTER;
+    }
+
+    if (error != MC_SEARCH_HEX_E_OK)
+    {
+        g_string_free (buff, TRUE);
+        if (error_ptr != NULL)
+            *error_ptr = error;
+        if (error_pos_ptr != NULL)
+            *error_pos_ptr = loop;
+        return NULL;
+    }
+
+    return buff;
+}
+
+/*** public functions ****************************************************************************/
+
+void
+mc_search__cond_struct_new_init_hex (const char *charset, mc_search_t * lc_mc_search,
+                                     mc_search_cond_t * mc_search_cond)
+{
+    GString *tmp;
+    mc_search_hex_parse_error_t error = MC_SEARCH_HEX_E_OK;
+    int error_pos = 0;
+
+    /*
+     * We may be searching in binary data, which is often invalid UTF-8.
+     *
+     * We have to create a non UTF-8 regex (that is, G_REGEX_RAW) or else, as
+     * the data is invalid UTF-8, both GLib's PCRE and our
+     * mc_search__g_regex_match_full_safe() are going to fail us. The former by
+     * not finding all bytes, the latter by overwriting the supposedly invalid
+     * UTF-8 with NULs.
+     *
+     * To do this, we specify "ASCII" as the charset.
+     *
+     * In fact, we can specify any charset other than "UTF-8": any such charset
+     * will trigger G_REGEX_RAW (see [1]). The output of [2] will be the same
+     * for all charsets because it skips the \xXX symbols
+     * mc_search__hex_translate_to_regex() outputs.
+     *
+     * But "ASCII" is the best choice because a hex pattern may contain a
+     * quoted string: this way we know [2] will ignore any characters outside
+     * ASCII letters range (these ignored chars will be copied verbatim to the
+     * output and will match as-is; in other words, in a case-sensitive manner;
+     * If the user is interested in case-insensitive searches of international
+     * text, he shouldn't be using hex search in the first place.)
+     *
+     * Switching out of UTF-8 has another advantage:
+     *
+     * When doing case-insensitive searches, GLib treats \xXX symbols as normal
+     * letters and therefore matches both "a" and "A" for the hex pattern
+     * "0x61". When we switch out of UTF-8, we're switching to using [2], which
+     * doesn't have this issue.
+     *
+     * [1] mc_search__cond_struct_new_init_regex
+     * [2] mc_search__cond_struct_new_regex_ci_str
+     */
+    if (str_isutf8 (charset))
+        charset = "ASCII";
+
+    tmp = mc_search__hex_translate_to_regex (mc_search_cond->str, &error, &error_pos);
+    if (tmp != NULL)
+    {
+        g_string_free (mc_search_cond->str, TRUE);
+        mc_search_cond->str = tmp;
+        mc_search__cond_struct_new_init_regex (charset, lc_mc_search, mc_search_cond);
+    }
+    else
+    {
+        const char *desc;
+
+        switch (error)
+        {
+        case MC_SEARCH_HEX_E_NUM_OUT_OF_RANGE:
+            desc =
+                _
+                ("Number out of range (should be in byte range, 0 <= n <= 0xFF, expressed in hex)");
+            break;
+        case MC_SEARCH_HEX_E_INVALID_CHARACTER:
+            desc = _("Invalid character");
+            break;
+        case MC_SEARCH_HEX_E_UNMATCHED_QUOTES:
+            desc = _("Unmatched quotes character");
+            break;
+        default:
+            desc = "";
+        }
+
+        lc_mc_search->error = MC_SEARCH_E_INPUT;
+        lc_mc_search->error_str =
+            g_strdup_printf (_("Hex pattern error at position %d:\n%s."), error_pos + 1, desc);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search__run_hex (mc_search_t * lc_mc_search, const void *user_data,
+                    gsize start_search, gsize end_search, gsize * found_len)
+{
+    return mc_search__run_regex (lc_mc_search, user_data, start_search, end_search, found_len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search_hex_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str)
+{
+    (void) lc_mc_search;
+
+    return mc_g_string_dup (replace_str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/search/internal.h b/lib/search/internal.h
new file mode 100644
index 0000000..d7b015c
--- /dev/null
+++ b/lib/search/internal.h
@@ -0,0 +1,82 @@
+#ifndef MC__SEARCH_INTERNAL_H
+#define MC__SEARCH_INTERNAL_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifdef SEARCH_TYPE_GLIB
+#define mc_search_regex_t GRegex
+#else
+#define mc_search_regex_t pcre
+#endif
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    COND__NOT_FOUND,
+    COND__NOT_ALL_FOUND,
+    COND__FOUND_CHAR,
+    COND__FOUND_CHAR_LAST,
+    COND__FOUND_OK,
+    COND__FOUND_ERROR
+} mc_search__found_cond_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_search_cond_struct
+{
+    GString *str;
+    GString *upper;
+    GString *lower;
+    mc_search_regex_t *regex_handle;
+    gchar *charset;
+} mc_search_cond_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* search/lib.c : */
+
+GString *mc_search__recode_str (const char *str, gsize str_len, const char *charset_from,
+                                const char *charset_to);
+GString *mc_search__get_one_symbol (const char *charset, const char *str, gsize str_len,
+                                    gboolean * just_letters);
+GString *mc_search__tolower_case_str (const char *charset, const GString * str);
+GString *mc_search__toupper_case_str (const char *charset, const GString * str);
+
+/* search/regex.c : */
+
+void mc_search__cond_struct_new_init_regex (const char *charset, mc_search_t * lc_mc_search,
+                                            mc_search_cond_t * mc_search_cond);
+gboolean mc_search__run_regex (mc_search_t * lc_mc_search, const void *user_data,
+                               gsize start_search, gsize end_search, gsize * found_len);
+GString *mc_search_regex_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str);
+
+/* search/normal.c : */
+
+void mc_search__cond_struct_new_init_normal (const char *charset, mc_search_t * lc_mc_search,
+                                             mc_search_cond_t * mc_search_cond);
+gboolean mc_search__run_normal (mc_search_t * lc_mc_search, const void *user_data,
+                                gsize start_search, gsize end_search, gsize * found_len);
+GString *mc_search_normal_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str);
+
+/* search/glob.c : */
+
+void mc_search__cond_struct_new_init_glob (const char *charset, mc_search_t * lc_mc_search,
+                                           mc_search_cond_t * mc_search_cond);
+gboolean mc_search__run_glob (mc_search_t * lc_mc_search, const void *user_data,
+                              gsize start_search, gsize end_search, gsize * found_len);
+GString *mc_search_glob_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str);
+
+/* search/hex.c : */
+
+void mc_search__cond_struct_new_init_hex (const char *charset, mc_search_t * lc_mc_search,
+                                          mc_search_cond_t * mc_search_cond);
+gboolean mc_search__run_hex (mc_search_t * lc_mc_search, const void *user_data,
+                             gsize start_search, gsize end_search, gsize * found_len);
+GString *mc_search_hex_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__SEARCH_INTERNAL_H */
diff --git a/lib/search/lib.c b/lib/search/lib.c
new file mode 100644
index 0000000..6ec5630
--- /dev/null
+++ b/lib/search/lib.c
@@ -0,0 +1,229 @@
+/*
+   Search text engine.
+   Common share code for module.
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009, 2011
+   Andrew Borodin <aborodin@vmail.ru>, 2013
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+const char *STR_E_NOTFOUND = N_("Search string not found");
+const char *STR_E_UNKNOWN_TYPE = N_("Not implemented yet");
+const char *STR_E_RPL_NOT_EQ_TO_FOUND =
+N_("Num of replace tokens not equal to num of found tokens");
+const char *STR_E_RPL_INVALID_TOKEN = N_("Invalid token number %d");
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+typedef gboolean (*case_conv_fn) (const char *ch, char **out, size_t * remain);
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static GString *
+mc_search__change_case_str (const char *charset, const GString * str, case_conv_fn case_conv)
+{
+    GString *ret;
+    const char *src_ptr;
+    gchar *dst_str;
+    gchar *dst_ptr;
+    gsize dst_len;
+#ifdef HAVE_CHARSET
+    GString *converted_str;
+
+    if (charset == NULL)
+        charset = cp_source;
+
+    converted_str = mc_search__recode_str (str->str, str->len, charset, cp_display);
+
+    dst_len = converted_str->len + 1;   /* +1 is required for str_toupper/str_tolower */
+    dst_str = g_malloc (dst_len);
+
+    for (src_ptr = converted_str->str, dst_ptr = dst_str;
+         case_conv (src_ptr, &dst_ptr, &dst_len); src_ptr += str_length_char (src_ptr))
+        ;
+    *dst_ptr = '\0';
+
+    dst_len = converted_str->len;
+    g_string_free (converted_str, TRUE);
+
+    ret = mc_search__recode_str (dst_str, dst_len, cp_display, charset);
+    g_free (dst_str);
+#else
+    (void) charset;
+
+    dst_len = str->len + 1;     /* +1 is required for str_toupper/str_tolower */
+    dst_str = g_malloc (dst_len);
+
+    for (src_ptr = str->str, dst_ptr = dst_str;
+         case_conv (src_ptr, &dst_ptr, &dst_len); src_ptr += str_length_char (src_ptr))
+        ;
+    *dst_ptr = '\0';
+
+    ret = g_string_new_len (dst_str, dst_len);
+    g_free (dst_str);
+#endif
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search__recode_str (const char *str, gsize str_len, const char *charset_from,
+                       const char *charset_to)
+{
+    GString *ret = NULL;
+
+    if (charset_from != NULL && charset_to != NULL
+        && g_ascii_strcasecmp (charset_to, charset_from) != 0)
+    {
+        GIConv conv;
+
+        conv = g_iconv_open (charset_to, charset_from);
+        if (conv != INVALID_CONV)
+        {
+            gchar *val;
+            gsize bytes_read = 0;
+            gsize bytes_written = 0;
+
+            val = g_convert_with_iconv (str, str_len, conv, &bytes_read, &bytes_written, NULL);
+
+            g_iconv_close (conv);
+
+            if (val != NULL)
+            {
+                ret = g_string_new_len (val, bytes_written);
+                g_free (val);
+            }
+        }
+    }
+
+    if (ret == NULL)
+        ret = g_string_new_len (str, str_len);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search__get_one_symbol (const char *charset, const char *str, gsize str_len,
+                           gboolean * just_letters)
+{
+    GString *converted_str;
+    const gchar *next_char;
+
+#ifdef HAVE_CHARSET
+    GString *converted_str2;
+
+    if (charset == NULL)
+        charset = cp_source;
+
+    converted_str = mc_search__recode_str (str, str_len, charset, cp_display);
+#else
+    (void) charset;
+
+    converted_str = g_string_new_len (str, str_len);
+#endif
+
+    next_char = str_cget_next_char (converted_str->str);
+    g_string_set_size (converted_str, (gsize) (next_char - converted_str->str));
+
+#ifdef HAVE_CHARSET
+    converted_str2 =
+        mc_search__recode_str (converted_str->str, converted_str->len, cp_display, charset);
+#endif
+    if (just_letters != NULL)
+        *just_letters = str_isalnum (converted_str->str) && !str_isdigit (converted_str->str);
+#ifdef HAVE_CHARSET
+    g_string_free (converted_str, TRUE);
+    return converted_str2;
+#else
+    return converted_str;
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search__tolower_case_str (const char *charset, const GString * str)
+{
+    return mc_search__change_case_str (charset, str, str_tolower);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search__toupper_case_str (const char *charset, const GString * str)
+{
+    return mc_search__change_case_str (charset, str, str_toupper);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar **
+mc_search_get_types_strings_array (size_t * num)
+{
+    gchar **ret;
+    int lc_index;
+    size_t n;
+
+    const mc_search_type_str_t *type_str;
+    const mc_search_type_str_t *types_str = mc_search_types_list_get (&n);
+
+    ret = g_try_new0 (char *, n + 1);
+    if (ret == NULL)
+        return NULL;
+
+    for (lc_index = 0, type_str = types_str; type_str->str != NULL; type_str++, lc_index++)
+        ret[lc_index] = g_strdup (type_str->str);
+
+    /* don't count last NULL item */
+    if (num != NULL)
+        *num = (size_t) lc_index;
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/search/normal.c b/lib/search/normal.c
new file mode 100644
index 0000000..483e4a4
--- /dev/null
+++ b/lib/search/normal.c
@@ -0,0 +1,106 @@
+/*
+   Search text engine.
+   Plain search
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search__normal_translate_to_regex (GString * str)
+{
+    gsize loop;
+
+    for (loop = 0; loop < str->len; loop++)
+        switch (str->str[loop])
+        {
+        case '*':
+        case '?':
+        case ',':
+        case '{':
+        case '}':
+        case '[':
+        case ']':
+        case '\\':
+        case '+':
+        case '.':
+        case '$':
+        case '(':
+        case ')':
+        case '^':
+        case '-':
+        case '|':
+            g_string_insert_c (str, loop, '\\');
+            loop++;
+        default:
+            break;
+        }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_search__cond_struct_new_init_normal (const char *charset, mc_search_t * lc_mc_search,
+                                        mc_search_cond_t * mc_search_cond)
+{
+    mc_search__normal_translate_to_regex (mc_search_cond->str);
+    mc_search__cond_struct_new_init_regex (charset, lc_mc_search, mc_search_cond);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search__run_normal (mc_search_t * lc_mc_search, const void *user_data,
+                       gsize start_search, gsize end_search, gsize * found_len)
+{
+    return mc_search__run_regex (lc_mc_search, user_data, start_search, end_search, found_len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+GString *
+mc_search_normal_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str)
+{
+    (void) lc_mc_search;
+
+    return mc_g_string_dup (replace_str);
+}
diff --git a/lib/search/regex.c b/lib/search/regex.c
new file mode 100644
index 0000000..07b6833
--- /dev/null
+++ b/lib/search/regex.c
@@ -0,0 +1,1086 @@
+/*
+   Search text engine.
+   Regex search
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009, 2010, 2011, 2013
+   Vitaliy Filippov <vitalif@yourcmc.ru>, 2011
+   Andrew Borodin <aborodin@vmail.ru>, 2013-2015
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+#include "lib/strescape.h"
+#include "lib/util.h"           /* MC_PTR_FREE */
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define REPLACE_PREPARE_T_NOTHING_SPECIAL -1
+#define REPLACE_PREPARE_T_REPLACE_FLAG    -2
+#define REPLACE_PREPARE_T_ESCAPE_SEQ      -3
+
+/*** file scope type declarations ****************************************************************/
+
+typedef enum
+{
+    REPLACE_T_NO_TRANSFORM = 0,
+    REPLACE_T_UPP_TRANSFORM_CHAR = 1,
+    REPLACE_T_LOW_TRANSFORM_CHAR = 2,
+    REPLACE_T_UPP_TRANSFORM = 4,
+    REPLACE_T_LOW_TRANSFORM = 8
+} replace_transform_type_t;
+
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static gboolean
+mc_search__regex_str_append_if_special (GString * copy_to, const GString * regex_str,
+                                        gsize * offset)
+{
+    const char *special_chars[] = {
+        "\\s", "\\S",
+        "\\d", "\\D",
+        "\\b", "\\B",
+        "\\w", "\\W",
+        "\\t", "\\n",
+        "\\r", "\\f",
+        "\\a", "\\e",
+        "\\x", "\\X",
+        "\\c", "\\C",
+        "\\l", "\\L",
+        "\\u", "\\U",
+        "\\E", "\\Q",
+        NULL
+    };
+
+    char *tmp_regex_str;
+    const char **spec_chr;
+
+    tmp_regex_str = &(regex_str->str[*offset]);
+
+    for (spec_chr = special_chars; *spec_chr != NULL; spec_chr++)
+    {
+        gsize spec_chr_len;
+
+        spec_chr_len = strlen (*spec_chr);
+
+        if (strncmp (tmp_regex_str, *spec_chr, spec_chr_len) == 0
+            && !strutils_is_char_escaped (regex_str->str, tmp_regex_str))
+        {
+            if (strncmp ("\\x", *spec_chr, spec_chr_len) == 0)
+            {
+                if (tmp_regex_str[spec_chr_len] != '{')
+                    spec_chr_len += 2;
+                else
+                {
+                    while ((spec_chr_len < regex_str->len - *offset)
+                           && tmp_regex_str[spec_chr_len] != '}')
+                        spec_chr_len++;
+                    if (tmp_regex_str[spec_chr_len] == '}')
+                        spec_chr_len++;
+                }
+            }
+            g_string_append_len (copy_to, tmp_regex_str, spec_chr_len);
+            *offset += spec_chr_len;
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search__cond_struct_new_regex_hex_add (const char *charset, GString * str_to,
+                                          const GString * one_char)
+{
+    GString *upp, *low;
+    gsize loop;
+
+    upp = mc_search__toupper_case_str (charset, one_char);
+    low = mc_search__tolower_case_str (charset, one_char);
+
+    for (loop = 0; loop < upp->len; loop++)
+    {
+        gchar tmp_str[10 + 1];  /* longest content is "[\\x%02X\\x%02X]" */
+        gint tmp_len;
+
+        if (loop >= low->len || upp->str[loop] == low->str[loop])
+            tmp_len =
+                g_snprintf (tmp_str, sizeof (tmp_str), "\\x%02X", (unsigned char) upp->str[loop]);
+        else
+            tmp_len =
+                g_snprintf (tmp_str, sizeof (tmp_str), "[\\x%02X\\x%02X]",
+                            (unsigned char) upp->str[loop], (unsigned char) low->str[loop]);
+
+        g_string_append_len (str_to, tmp_str, tmp_len);
+    }
+
+    g_string_free (upp, TRUE);
+    g_string_free (low, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search__cond_struct_new_regex_accum_append (const char *charset, GString * str_to,
+                                               GString * str_from)
+{
+    GString *recoded_part;
+    gsize loop = 0;
+
+    recoded_part = g_string_sized_new (32);
+
+    while (loop < str_from->len)
+    {
+        GString *one_char;
+        gboolean just_letters;
+
+        one_char =
+            mc_search__get_one_symbol (charset, str_from->str + loop,
+                                       MIN (str_from->len - loop, 6), &just_letters);
+
+        if (one_char->len == 0)
+            loop++;
+        else
+        {
+            loop += one_char->len;
+
+            if (just_letters)
+                mc_search__cond_struct_new_regex_hex_add (charset, recoded_part, one_char);
+            else
+                g_string_append_len (recoded_part, one_char->str, one_char->len);
+        }
+
+        g_string_free (one_char, TRUE);
+    }
+
+    g_string_append_len (str_to, recoded_part->str, recoded_part->len);
+    g_string_free (recoded_part, TRUE);
+    g_string_set_size (str_from, 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Creates a case-insensitive version of a regex pattern.
+ *
+ * For example (assuming ASCII charset): given "\\bHello!\\xAB", returns
+ * "\\b[Hh][Ee][Ll][Ll][Oo]!\\xAB" (this example is for easier reading; in
+ * reality hex codes are used instead of letters).
+ *
+ * This function knows not to ruin special regex symbols.
+ *
+ * This function is used when working with non-UTF-8 charsets: GLib's
+ * regex engine doesn't understand such charsets and therefore can't do
+ * this job itself.
+ */
+static GString *
+mc_search__cond_struct_new_regex_ci_str (const char *charset, const GString * astr)
+{
+    GString *accumulator, *spec_char, *ret_str;
+    gsize loop;
+
+    ret_str = g_string_sized_new (64);
+    accumulator = g_string_sized_new (64);
+    spec_char = g_string_sized_new (64);
+    loop = 0;
+
+    while (loop < astr->len)
+    {
+        if (mc_search__regex_str_append_if_special (spec_char, astr, &loop))
+        {
+            mc_search__cond_struct_new_regex_accum_append (charset, ret_str, accumulator);
+            g_string_append_len (ret_str, spec_char->str, spec_char->len);
+            g_string_set_size (spec_char, 0);
+            continue;
+        }
+
+        if (astr->str[loop] == '[' && !strutils_is_char_escaped (astr->str, &(astr->str[loop])))
+        {
+            mc_search__cond_struct_new_regex_accum_append (charset, ret_str, accumulator);
+
+            while (loop < astr->len && !(astr->str[loop] == ']'
+                                         && !strutils_is_char_escaped (astr->str,
+                                                                       &(astr->str[loop]))))
+            {
+                g_string_append_c (ret_str, astr->str[loop]);
+                loop++;
+            }
+
+            g_string_append_c (ret_str, astr->str[loop]);
+            loop++;
+            continue;
+        }
+        /*
+           TODO: handle [ and ]
+         */
+        g_string_append_c (accumulator, astr->str[loop]);
+        loop++;
+    }
+    mc_search__cond_struct_new_regex_accum_append (charset, ret_str, accumulator);
+
+    g_string_free (accumulator, TRUE);
+    g_string_free (spec_char, TRUE);
+
+    return ret_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef SEARCH_TYPE_GLIB
+/* A thin wrapper above g_regex_match_full that makes sure the string passed
+ * to it is valid UTF-8 (unless G_REGEX_RAW compile flag was set), as it is a
+ * requirement by glib and it might crash otherwise. See: mc ticket 3449.
+ * Be careful: there might be embedded NULs in the strings. */
+static gboolean
+mc_search__g_regex_match_full_safe (const GRegex * regex,
+                                    const gchar * string,
+                                    gssize string_len,
+                                    gint start_position,
+                                    GRegexMatchFlags match_options,
+                                    GMatchInfo ** match_info, GError ** error)
+{
+    char *string_safe, *p, *end;
+    gboolean ret;
+
+    if (string_len < 0)
+        string_len = strlen (string);
+
+    if ((g_regex_get_compile_flags (regex) & G_REGEX_RAW)
+        || g_utf8_validate (string, string_len, NULL))
+    {
+        return g_regex_match_full (regex, string, string_len, start_position, match_options,
+                                   match_info, error);
+    }
+
+    /* Correctly handle embedded NULs while copying */
+    p = string_safe = g_malloc (string_len + 1);
+    memcpy (string_safe, string, string_len);
+    string_safe[string_len] = '\0';
+    end = p + string_len;
+
+    while (p < end)
+    {
+        gunichar c = g_utf8_get_char_validated (p, -1);
+        if (c != (gunichar) (-1) && c != (gunichar) (-2))
+        {
+            p = g_utf8_next_char (p);
+        }
+        else
+        {
+            /* U+FFFD would be the proper choice, but then we'd have to
+               maintain mapping between old and new offsets.
+               So rather do a byte by byte replacement. */
+            *p++ = '\0';
+        }
+    }
+
+    ret =
+        g_regex_match_full (regex, string_safe, string_len, start_position, match_options,
+                            match_info, error);
+    g_free (string_safe);
+    return ret;
+}
+#endif /* SEARCH_TYPE_GLIB */
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_search__found_cond_t
+mc_search__regex_found_cond_one (mc_search_t * lc_mc_search, mc_search_regex_t * regex,
+                                 GString * search_str)
+{
+#ifdef SEARCH_TYPE_GLIB
+    GError *mcerror = NULL;
+
+    if (!mc_search__g_regex_match_full_safe
+        (regex, search_str->str, search_str->len, 0, G_REGEX_MATCH_NEWLINE_ANY,
+         &lc_mc_search->regex_match_info, &mcerror))
+    {
+        g_match_info_free (lc_mc_search->regex_match_info);
+        lc_mc_search->regex_match_info = NULL;
+        if (mcerror != NULL)
+        {
+            lc_mc_search->error = MC_SEARCH_E_REGEX;
+            g_free (lc_mc_search->error_str);
+            lc_mc_search->error_str =
+                str_conv_gerror_message (mcerror, _("Regular expression error"));
+            g_error_free (mcerror);
+            return COND__FOUND_ERROR;
+        }
+        return COND__NOT_FOUND;
+    }
+    lc_mc_search->num_results = g_match_info_get_match_count (lc_mc_search->regex_match_info);
+#else /* SEARCH_TYPE_GLIB */
+    lc_mc_search->num_results = pcre_exec (regex, lc_mc_search->regex_match_info,
+                                           search_str->str, search_str->len, 0, 0,
+                                           lc_mc_search->iovector, MC_SEARCH__NUM_REPLACE_ARGS);
+    if (lc_mc_search->num_results < 0)
+    {
+        return COND__NOT_FOUND;
+    }
+#endif /* SEARCH_TYPE_GLIB */
+    return COND__FOUND_OK;
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_search__found_cond_t
+mc_search__regex_found_cond (mc_search_t * lc_mc_search, GString * search_str)
+{
+    gsize loop1;
+
+    for (loop1 = 0; loop1 < lc_mc_search->prepared.conditions->len; loop1++)
+    {
+        mc_search_cond_t *mc_search_cond;
+        mc_search__found_cond_t ret;
+
+        mc_search_cond =
+            (mc_search_cond_t *) g_ptr_array_index (lc_mc_search->prepared.conditions, loop1);
+
+        if (!mc_search_cond->regex_handle)
+            continue;
+
+        ret =
+            mc_search__regex_found_cond_one (lc_mc_search, mc_search_cond->regex_handle,
+                                             search_str);
+        if (ret != COND__NOT_FOUND)
+            return ret;
+    }
+    return COND__NOT_ALL_FOUND;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_search_regex__get_max_num_of_replace_tokens (const gchar * str, gsize len)
+{
+    int max_token = 0;
+    gsize loop;
+    for (loop = 0; loop < len - 1; loop++)
+    {
+        if (str[loop] == '\\' && g_ascii_isdigit (str[loop + 1]))
+        {
+            if (strutils_is_char_escaped (str, &str[loop]))
+                continue;
+            if (max_token < str[loop + 1] - '0')
+                max_token = str[loop + 1] - '0';
+            continue;
+        }
+        if (str[loop] == '$' && str[loop + 1] == '{')
+        {
+            gsize tmp_len;
+
+            if (strutils_is_char_escaped (str, &str[loop]))
+                continue;
+
+            for (tmp_len = 0;
+                 loop + tmp_len + 2 < len && (str[loop + 2 + tmp_len] & (char) 0xf0) == 0x30;
+                 tmp_len++);
+
+            if (str[loop + 2 + tmp_len] == '}')
+            {
+                int tmp_token;
+                char *tmp_str;
+
+                tmp_str = g_strndup (&str[loop + 2], tmp_len);
+                tmp_token = atoi (tmp_str);
+                if (max_token < tmp_token)
+                    max_token = tmp_token;
+                g_free (tmp_str);
+            }
+        }
+    }
+    return max_token;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_search_regex__get_token_by_num (const mc_search_t * lc_mc_search, gsize lc_index)
+{
+    int fnd_start = 0, fnd_end = 0;
+
+#ifdef SEARCH_TYPE_GLIB
+    g_match_info_fetch_pos (lc_mc_search->regex_match_info, lc_index, &fnd_start, &fnd_end);
+#else /* SEARCH_TYPE_GLIB */
+    fnd_start = lc_mc_search->iovector[lc_index * 2 + 0];
+    fnd_end = lc_mc_search->iovector[lc_index * 2 + 1];
+#endif /* SEARCH_TYPE_GLIB */
+
+    if (fnd_end == fnd_start)
+        return g_strdup ("");
+
+    return g_strndup (lc_mc_search->regex_buffer->str + fnd_start, fnd_end - fnd_start);
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_search_regex__replace_handle_esc_seq (const GString * replace_str, const gsize current_pos,
+                                         gsize * skip_len, int *ret)
+{
+    char *curr_str = &(replace_str->str[current_pos]);
+    char c = curr_str[1];
+
+    if (replace_str->len > current_pos + 2)
+    {
+        if (c == '{')
+        {
+            for (*skip_len = 2; /* \{ */
+                 current_pos + *skip_len < replace_str->len && curr_str[*skip_len] >= '0'
+                 && curr_str[*skip_len] <= '7'; (*skip_len)++)
+                ;
+
+            if (current_pos + *skip_len < replace_str->len && curr_str[*skip_len] == '}')
+            {
+                (*skip_len)++;
+                *ret = REPLACE_PREPARE_T_ESCAPE_SEQ;
+                return FALSE;
+            }
+            else
+            {
+                *ret = REPLACE_PREPARE_T_NOTHING_SPECIAL;
+                return TRUE;
+            }
+        }
+
+        if (c == 'x')
+        {
+            *skip_len = 2;      /* \x */
+            c = curr_str[2];
+            if (c == '{')
+            {
+                for (*skip_len = 3;     /* \x{ */
+                     current_pos + *skip_len < replace_str->len
+                     && g_ascii_isxdigit ((guchar) curr_str[*skip_len]); (*skip_len)++)
+                    ;
+
+                if (current_pos + *skip_len < replace_str->len && curr_str[*skip_len] == '}')
+                {
+                    (*skip_len)++;
+                    *ret = REPLACE_PREPARE_T_ESCAPE_SEQ;
+                    return FALSE;
+                }
+                else
+                {
+                    *ret = REPLACE_PREPARE_T_NOTHING_SPECIAL;
+                    return TRUE;
+                }
+            }
+            else if (!g_ascii_isxdigit ((guchar) c))
+            {
+                *skip_len = 2;  /* \x without number behind */
+                *ret = REPLACE_PREPARE_T_NOTHING_SPECIAL;
+                return FALSE;
+            }
+            else
+            {
+                c = curr_str[3];
+                if (!g_ascii_isxdigit ((guchar) c))
+                    *skip_len = 3;      /* \xH */
+                else
+                    *skip_len = 4;      /* \xHH */
+                *ret = REPLACE_PREPARE_T_ESCAPE_SEQ;
+                return FALSE;
+            }
+        }
+    }
+
+    if (strchr ("ntvbrfa", c) != NULL)
+    {
+        *skip_len = 2;
+        *ret = REPLACE_PREPARE_T_ESCAPE_SEQ;
+        return FALSE;
+    }
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_search_regex__process_replace_str (const GString * replace_str, const gsize current_pos,
+                                      gsize * skip_len, replace_transform_type_t * replace_flags)
+{
+    int ret = -1;
+    const char *curr_str = &(replace_str->str[current_pos]);
+
+    if (current_pos > replace_str->len)
+        return REPLACE_PREPARE_T_NOTHING_SPECIAL;
+
+    *skip_len = 0;
+
+    if (replace_str->len > current_pos + 2 && curr_str[0] == '$' && curr_str[1] == '{'
+        && (curr_str[2] & (char) 0xf0) == 0x30)
+    {
+        char *tmp_str;
+
+        if (strutils_is_char_escaped (replace_str->str, curr_str))
+        {
+            *skip_len = 1;
+            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
+        }
+
+        for (*skip_len = 0;
+             current_pos + *skip_len + 2 < replace_str->len
+             && (curr_str[2 + *skip_len] & (char) 0xf0) == 0x30; (*skip_len)++)
+            ;
+
+        if (curr_str[2 + *skip_len] != '}')
+            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
+
+        tmp_str = g_strndup (curr_str + 2, *skip_len);
+        if (tmp_str == NULL)
+            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
+
+        ret = atoi (tmp_str);
+        g_free (tmp_str);
+
+        *skip_len += 3;         /* ${} */
+        return ret;             /* capture buffer index >= 0 */
+    }
+
+    if (curr_str[0] == '\\' && replace_str->len > current_pos + 1)
+    {
+        if (strutils_is_char_escaped (replace_str->str, curr_str))
+        {
+            *skip_len = 1;
+            return REPLACE_PREPARE_T_NOTHING_SPECIAL;
+        }
+
+        if (g_ascii_isdigit (curr_str[1]))
+        {
+            ret = g_ascii_digit_value (curr_str[1]);    /* capture buffer index >= 0 */
+            *skip_len = 2;      /* \\ and one digit */
+            return ret;
+        }
+
+        if (!mc_search_regex__replace_handle_esc_seq (replace_str, current_pos, skip_len, &ret))
+            return ret;
+
+        ret = REPLACE_PREPARE_T_REPLACE_FLAG;
+        *skip_len += 2;
+
+        switch (curr_str[1])
+        {
+        case 'U':
+            *replace_flags |= REPLACE_T_UPP_TRANSFORM;
+            *replace_flags &= ~REPLACE_T_LOW_TRANSFORM;
+            break;
+        case 'u':
+            *replace_flags |= REPLACE_T_UPP_TRANSFORM_CHAR;
+            break;
+        case 'L':
+            *replace_flags |= REPLACE_T_LOW_TRANSFORM;
+            *replace_flags &= ~REPLACE_T_UPP_TRANSFORM;
+            break;
+        case 'l':
+            *replace_flags |= REPLACE_T_LOW_TRANSFORM_CHAR;
+            break;
+        case 'E':
+            *replace_flags = REPLACE_T_NO_TRANSFORM;
+            break;
+        default:
+            ret = REPLACE_PREPARE_T_NOTHING_SPECIAL;
+            break;
+        }
+    }
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search_regex__process_append_str (GString * dest_str, const char *from, gsize len,
+                                     replace_transform_type_t * replace_flags)
+{
+    gsize loop;
+    gsize char_len;
+
+    if (len == (gsize) (-1))
+        len = strlen (from);
+
+    if (*replace_flags == REPLACE_T_NO_TRANSFORM)
+    {
+        g_string_append_len (dest_str, from, len);
+        return;
+    }
+
+    for (loop = 0; loop < len; loop += char_len)
+    {
+        GString *tmp_string = NULL;
+        GString *s;
+
+        s = mc_search__get_one_symbol (NULL, from + loop, len - loop, NULL);
+        char_len = s->len;
+
+        if ((*replace_flags & REPLACE_T_UPP_TRANSFORM_CHAR) != 0)
+        {
+            *replace_flags &= ~REPLACE_T_UPP_TRANSFORM_CHAR;
+            tmp_string = mc_search__toupper_case_str (NULL, s);
+            g_string_append_len (dest_str, tmp_string->str, tmp_string->len);
+        }
+        else if ((*replace_flags & REPLACE_T_LOW_TRANSFORM_CHAR) != 0)
+        {
+            *replace_flags &= ~REPLACE_T_LOW_TRANSFORM_CHAR;
+            tmp_string = mc_search__tolower_case_str (NULL, s);
+            g_string_append_len (dest_str, tmp_string->str, tmp_string->len);
+        }
+        else if ((*replace_flags & REPLACE_T_UPP_TRANSFORM) != 0)
+        {
+            tmp_string = mc_search__toupper_case_str (NULL, s);
+            g_string_append_len (dest_str, tmp_string->str, tmp_string->len);
+        }
+        else if ((*replace_flags & REPLACE_T_LOW_TRANSFORM) != 0)
+        {
+            tmp_string = mc_search__tolower_case_str (NULL, s);
+            g_string_append_len (dest_str, tmp_string->str, tmp_string->len);
+        }
+
+        g_string_free (s, TRUE);
+        if (tmp_string != NULL)
+            g_string_free (tmp_string, TRUE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search_regex__process_escape_sequence (GString * dest_str, const char *from, gsize len,
+                                          replace_transform_type_t * replace_flags,
+                                          gboolean is_utf8)
+{
+    gsize i = 0;
+    unsigned int c = 0;
+    char b;
+
+    if (len == (gsize) (-1))
+        len = strlen (from);
+    if (len == 0)
+        return;
+
+    if (from[i] == '{')
+        i++;
+    if (i >= len)
+        return;
+
+    if (from[i] == 'x')
+    {
+        i++;
+        if (i < len && from[i] == '{')
+            i++;
+        for (; i < len; i++)
+        {
+            if (from[i] >= '0' && from[i] <= '9')
+                c = c * 16 + from[i] - '0';
+            else if (from[i] >= 'a' && from[i] <= 'f')
+                c = c * 16 + 10 + from[i] - 'a';
+            else if (from[i] >= 'A' && from[i] <= 'F')
+                c = c * 16 + 10 + from[i] - 'A';
+            else
+                break;
+        }
+    }
+    else if (from[i] >= '0' && from[i] <= '7')
+        for (; i < len && from[i] >= '0' && from[i] <= '7'; i++)
+            c = c * 8 + from[i] - '0';
+    else
+    {
+        switch (from[i])
+        {
+        case 'n':
+            c = '\n';
+            break;
+        case 't':
+            c = '\t';
+            break;
+        case 'v':
+            c = '\v';
+            break;
+        case 'b':
+            c = '\b';
+            break;
+        case 'r':
+            c = '\r';
+            break;
+        case 'f':
+            c = '\f';
+            break;
+        case 'a':
+            c = '\a';
+            break;
+        default:
+            mc_search_regex__process_append_str (dest_str, from, len, replace_flags);
+            return;
+        }
+    }
+
+    if (c < 0x80 || !is_utf8)
+        g_string_append_c (dest_str, (char) c);
+    else if (c < 0x800)
+    {
+        b = 0xC0 | (c >> 6);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | (c & 0x3F);
+        g_string_append_c (dest_str, b);
+    }
+    else if (c < 0x10000)
+    {
+        b = 0xE0 | (c >> 12);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | ((c >> 6) & 0x3F);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | (c & 0x3F);
+        g_string_append_c (dest_str, b);
+    }
+    else if (c < 0x10FFFF)
+    {
+        b = 0xF0 | (c >> 16);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | ((c >> 12) & 0x3F);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | ((c >> 6) & 0x3F);
+        g_string_append_c (dest_str, b);
+        b = 0x80 | (c & 0x3F);
+        g_string_append_c (dest_str, b);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_search__cond_struct_new_init_regex (const char *charset, mc_search_t * lc_mc_search,
+                                       mc_search_cond_t * mc_search_cond)
+{
+    if (lc_mc_search->whole_words && !lc_mc_search->is_entire_line)
+    {
+        /* NOTE: \b as word boundary doesn't allow search
+         * whole words with non-ASCII symbols.
+         * Update: Is it still true nowadays? Probably not. #2396, #3524 */
+        g_string_prepend (mc_search_cond->str, "(?<![\\p{L}\\p{N}_])");
+        g_string_append (mc_search_cond->str, "(?![\\p{L}\\p{N}_])");
+    }
+
+    {
+#ifdef SEARCH_TYPE_GLIB
+        GError *mcerror = NULL;
+        GRegexCompileFlags g_regex_options = G_REGEX_OPTIMIZE | G_REGEX_DOTALL;
+
+        if (str_isutf8 (charset) && mc_global.utf8_display)
+        {
+            if (!lc_mc_search->is_case_sensitive)
+                g_regex_options |= G_REGEX_CASELESS;
+        }
+        else
+        {
+            g_regex_options |= G_REGEX_RAW;
+
+            if (!lc_mc_search->is_case_sensitive)
+            {
+                GString *tmp;
+
+                tmp = mc_search_cond->str;
+                mc_search_cond->str = mc_search__cond_struct_new_regex_ci_str (charset, tmp);
+                g_string_free (tmp, TRUE);
+            }
+        }
+
+        mc_search_cond->regex_handle =
+            g_regex_new (mc_search_cond->str->str, g_regex_options, 0, &mcerror);
+
+        if (mcerror != NULL)
+        {
+            lc_mc_search->error = MC_SEARCH_E_REGEX_COMPILE;
+            g_free (lc_mc_search->error_str);
+            lc_mc_search->error_str =
+                str_conv_gerror_message (mcerror, _("Regular expression error"));
+            g_error_free (mcerror);
+            return;
+        }
+#else /* SEARCH_TYPE_GLIB */
+        const char *error;
+        int erroffset;
+        int pcre_options = PCRE_EXTRA | PCRE_MULTILINE;
+
+        if (str_isutf8 (charset) && mc_global.utf8_display)
+        {
+            pcre_options |= PCRE_UTF8;
+            if (!lc_mc_search->is_case_sensitive)
+                pcre_options |= PCRE_CASELESS;
+        }
+        else if (!lc_mc_search->is_case_sensitive)
+        {
+            GString *tmp;
+
+            tmp = mc_search_cond->str;
+            mc_search_cond->str = mc_search__cond_struct_new_regex_ci_str (charset, tmp);
+            g_string_free (tmp, TRUE);
+        }
+
+        mc_search_cond->regex_handle =
+            pcre_compile (mc_search_cond->str->str, pcre_options, &error, &erroffset, NULL);
+        if (mc_search_cond->regex_handle == NULL)
+        {
+            mc_search_set_error (lc_mc_search, MC_SEARCH_E_REGEX_COMPILE, "%s", error);
+            return;
+        }
+        lc_mc_search->regex_match_info = pcre_study (mc_search_cond->regex_handle, 0, &error);
+        if (lc_mc_search->regex_match_info == NULL && error != NULL)
+        {
+            mc_search_set_error (lc_mc_search, MC_SEARCH_E_REGEX_COMPILE, "%s", error);
+            MC_PTR_FREE (mc_search_cond->regex_handle);
+            return;
+        }
+#endif /* SEARCH_TYPE_GLIB */
+    }
+
+    lc_mc_search->is_utf8 = str_isutf8 (charset);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search__run_regex (mc_search_t * lc_mc_search, const void *user_data,
+                      gsize start_search, gsize end_search, gsize * found_len)
+{
+    mc_search_cbret_t ret = MC_SEARCH_CB_NOTFOUND;
+    gsize current_pos, virtual_pos;
+    gint start_pos;
+    gint end_pos;
+
+    if (lc_mc_search->regex_buffer != NULL)
+        g_string_set_size (lc_mc_search->regex_buffer, 0);
+    else
+        lc_mc_search->regex_buffer = g_string_sized_new (64);
+
+    virtual_pos = current_pos = start_search;
+    while (virtual_pos <= end_search)
+    {
+        g_string_set_size (lc_mc_search->regex_buffer, 0);
+        lc_mc_search->start_buffer = current_pos;
+
+        if (lc_mc_search->search_fn != NULL)
+        {
+            while (TRUE)
+            {
+                int current_chr = '\n'; /* stop search symbol */
+
+                ret = lc_mc_search->search_fn (user_data, current_pos, &current_chr);
+
+                if (ret == MC_SEARCH_CB_ABORT)
+                    break;
+
+                if (ret == MC_SEARCH_CB_INVALID)
+                    continue;
+
+                current_pos++;
+
+                if (ret == MC_SEARCH_CB_SKIP)
+                    continue;
+
+                virtual_pos++;
+
+                g_string_append_c (lc_mc_search->regex_buffer, (char) current_chr);
+
+                if ((char) current_chr == '\n' || virtual_pos > end_search)
+                    break;
+            }
+        }
+        else
+        {
+            /* optimization for standard case (for search from file manager)
+             *  where there is no MC_SEARCH_CB_INVALID or MC_SEARCH_CB_SKIP
+             *  return codes, so we can copy line at regex buffer all at once
+             */
+            while (TRUE)
+            {
+                const char current_chr = ((const char *) user_data)[current_pos];
+
+                if (current_chr == '\0')
+                    break;
+
+                current_pos++;
+
+                if (current_chr == '\n' || current_pos > end_search)
+                    break;
+            }
+
+            /* use virtual_pos as index of start of current chunk */
+            g_string_append_len (lc_mc_search->regex_buffer, (const char *) user_data + virtual_pos,
+                                 current_pos - virtual_pos);
+            virtual_pos = current_pos;
+        }
+
+        switch (mc_search__regex_found_cond (lc_mc_search, lc_mc_search->regex_buffer))
+        {
+        case COND__FOUND_OK:
+#ifdef SEARCH_TYPE_GLIB
+            g_match_info_fetch_pos (lc_mc_search->regex_match_info, 0, &start_pos, &end_pos);
+#else /* SEARCH_TYPE_GLIB */
+            start_pos = lc_mc_search->iovector[0];
+            end_pos = lc_mc_search->iovector[1];
+#endif /* SEARCH_TYPE_GLIB */
+            if (found_len != NULL)
+                *found_len = end_pos - start_pos;
+            lc_mc_search->normal_offset = lc_mc_search->start_buffer + start_pos;
+            return TRUE;
+        case COND__NOT_ALL_FOUND:
+            break;
+        default:
+            g_string_free (lc_mc_search->regex_buffer, TRUE);
+            lc_mc_search->regex_buffer = NULL;
+            return FALSE;
+        }
+
+        if ((lc_mc_search->update_fn != NULL) &&
+            ((lc_mc_search->update_fn) (user_data, current_pos) == MC_SEARCH_CB_ABORT))
+            ret = MC_SEARCH_CB_ABORT;
+
+        if (ret == MC_SEARCH_CB_ABORT || ret == MC_SEARCH_CB_NOTFOUND)
+            break;
+    }
+
+    g_string_free (lc_mc_search->regex_buffer, TRUE);
+    lc_mc_search->regex_buffer = NULL;
+
+    MC_PTR_FREE (lc_mc_search->error_str);
+    lc_mc_search->error = ret == MC_SEARCH_CB_ABORT ? MC_SEARCH_E_ABORT : MC_SEARCH_E_NOTFOUND;
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search_regex_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str)
+{
+    GString *ret;
+
+    int num_replace_tokens;
+    gsize loop;
+    gsize prev = 0;
+    replace_transform_type_t replace_flags = REPLACE_T_NO_TRANSFORM;
+
+    num_replace_tokens =
+        mc_search_regex__get_max_num_of_replace_tokens (replace_str->str, replace_str->len);
+
+    if (lc_mc_search->num_results < 0)
+        return mc_g_string_dup (replace_str);
+
+    if (num_replace_tokens > lc_mc_search->num_results - 1
+        || num_replace_tokens > MC_SEARCH__NUM_REPLACE_ARGS)
+    {
+        mc_search_set_error (lc_mc_search, MC_SEARCH_E_REGEX_REPLACE, "%s",
+                             _(STR_E_RPL_NOT_EQ_TO_FOUND));
+        return NULL;
+    }
+
+    ret = g_string_sized_new (64);
+
+    for (loop = 0; loop < replace_str->len - 1; loop++)
+    {
+        int lc_index;
+        gchar *tmp_str;
+        gsize len = 0;
+
+        lc_index = mc_search_regex__process_replace_str (replace_str, loop, &len, &replace_flags);
+
+        if (lc_index == REPLACE_PREPARE_T_NOTHING_SPECIAL)
+        {
+            if (len != 0)
+            {
+                mc_search_regex__process_append_str (ret, replace_str->str + prev, loop - prev,
+                                                     &replace_flags);
+                mc_search_regex__process_append_str (ret, replace_str->str + loop + 1, len - 1,
+                                                     &replace_flags);
+                prev = loop + len;
+                loop = prev - 1;        /* prepare to loop++ */
+            }
+
+            continue;
+        }
+
+        if (lc_index == REPLACE_PREPARE_T_REPLACE_FLAG)
+        {
+            if (loop != 0)
+                mc_search_regex__process_append_str (ret, replace_str->str + prev, loop - prev,
+                                                     &replace_flags);
+            prev = loop + len;
+            loop = prev - 1;    /* prepare to loop++ */
+            continue;
+        }
+
+        /* escape sequence */
+        if (lc_index == REPLACE_PREPARE_T_ESCAPE_SEQ)
+        {
+            mc_search_regex__process_append_str (ret, replace_str->str + prev, loop - prev,
+                                                 &replace_flags);
+            /* call process_escape_sequence without starting '\\' */
+            mc_search_regex__process_escape_sequence (ret, replace_str->str + loop + 1, len - 1,
+                                                      &replace_flags, lc_mc_search->is_utf8);
+            prev = loop + len;
+            loop = prev - 1;    /* prepare to loop++ */
+            continue;
+        }
+
+        /* invalid capture buffer number */
+        if (lc_index > lc_mc_search->num_results)
+        {
+            g_string_free (ret, TRUE);
+            mc_search_set_error (lc_mc_search, MC_SEARCH_E_REGEX_REPLACE,
+                                 _(STR_E_RPL_INVALID_TOKEN), lc_index);
+            return NULL;
+        }
+
+        tmp_str = mc_search_regex__get_token_by_num (lc_mc_search, lc_index);
+
+        if (loop != 0)
+            mc_search_regex__process_append_str (ret, replace_str->str + prev, loop - prev,
+                                                 &replace_flags);
+
+        mc_search_regex__process_append_str (ret, tmp_str, -1, &replace_flags);
+        g_free (tmp_str);
+
+        prev = loop + len;
+        loop = prev - 1;        /* prepare to loop++ */
+    }
+
+    mc_search_regex__process_append_str (ret, replace_str->str + prev, replace_str->len - prev,
+                                         &replace_flags);
+
+    return ret;
+}
diff --git a/lib/search/search.c b/lib/search/search.c
new file mode 100644
index 0000000..3fdbc26
--- /dev/null
+++ b/lib/search/search.c
@@ -0,0 +1,521 @@
+/*
+   Search text engine.
+   Interface functions
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Andrew Borodin <aborodin@vmail.ru>, 2013
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/search.h"
+#include "lib/util.h"
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static const mc_search_type_str_t mc_search__list_types[] = {
+    {N_("No&rmal"), MC_SEARCH_T_NORMAL},
+    {N_("Re&gular expression"), MC_SEARCH_T_REGEX},
+    {N_("He&xadecimal"), MC_SEARCH_T_HEX},
+    {N_("Wil&dcard search"), MC_SEARCH_T_GLOB},
+    {NULL, MC_SEARCH_T_INVALID}
+};
+
+/*** file scope functions ************************************************************************/
+
+static mc_search_cond_t *
+mc_search__cond_struct_new (mc_search_t * lc_mc_search, const GString * str, const char *charset)
+{
+    mc_search_cond_t *mc_search_cond;
+
+    mc_search_cond = g_malloc0 (sizeof (mc_search_cond_t));
+    mc_search_cond->str = mc_g_string_dup (str);
+    mc_search_cond->charset = g_strdup (charset);
+
+    switch (lc_mc_search->search_type)
+    {
+    case MC_SEARCH_T_GLOB:
+        mc_search__cond_struct_new_init_glob (charset, lc_mc_search, mc_search_cond);
+        break;
+    case MC_SEARCH_T_NORMAL:
+        mc_search__cond_struct_new_init_normal (charset, lc_mc_search, mc_search_cond);
+        break;
+    case MC_SEARCH_T_REGEX:
+        mc_search__cond_struct_new_init_regex (charset, lc_mc_search, mc_search_cond);
+        break;
+    case MC_SEARCH_T_HEX:
+        mc_search__cond_struct_new_init_hex (charset, lc_mc_search, mc_search_cond);
+        break;
+    default:
+        break;
+    }
+    return mc_search_cond;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search__cond_struct_free (mc_search_cond_t * mc_search_cond)
+{
+    if (mc_search_cond->upper != NULL)
+        g_string_free (mc_search_cond->upper, TRUE);
+
+    if (mc_search_cond->lower != NULL)
+        g_string_free (mc_search_cond->lower, TRUE);
+
+    g_string_free (mc_search_cond->str, TRUE);
+    g_free (mc_search_cond->charset);
+
+#ifdef SEARCH_TYPE_GLIB
+    if (mc_search_cond->regex_handle != NULL)
+        g_regex_unref (mc_search_cond->regex_handle);
+#else /* SEARCH_TYPE_GLIB */
+    g_free (mc_search_cond->regex_handle);
+#endif /* SEARCH_TYPE_GLIB */
+
+    g_free (mc_search_cond);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_search__conditions_free (GPtrArray * array)
+{
+    g_ptr_array_foreach (array, (GFunc) mc_search__cond_struct_free, NULL);
+    g_ptr_array_free (array, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/* Init search descriptor.
+ *
+ * @param original pattern to search
+ * @param original_charset charset of #original. If NULL then cp_display will be used
+ *
+ * @return new mc_search_t object. Use #mc_search_free() to free it.
+ */
+
+mc_search_t *
+mc_search_new (const gchar * original, const gchar * original_charset)
+{
+    if (original == NULL)
+        return NULL;
+
+    return mc_search_new_len (original, strlen (original), original_charset);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Init search descriptor.
+ *
+ * @param original pattern to search
+ * @param original_len length of #original or -1 if #original is NULL-terminated
+ * @param original_charset charset of #original. If NULL then cp_display will be used
+ *
+ * @return new mc_search_t object. Use #mc_search_free() to free it.
+ */
+
+mc_search_t *
+mc_search_new_len (const gchar * original, gsize original_len, const gchar * original_charset)
+{
+    mc_search_t *lc_mc_search;
+
+    if (original == NULL || original_len == 0)
+        return NULL;
+
+    lc_mc_search = g_new0 (mc_search_t, 1);
+    lc_mc_search->original.str = g_string_new_len (original, original_len);
+#ifdef HAVE_CHARSET
+    lc_mc_search->original.charset =
+        g_strdup (original_charset != NULL
+                  && *original_charset != '\0' ? original_charset : cp_display);
+#else
+    (void) original_charset;
+#endif
+
+    return lc_mc_search;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_search_free (mc_search_t * lc_mc_search)
+{
+    if (lc_mc_search == NULL)
+        return;
+
+    g_string_free (lc_mc_search->original.str, TRUE);
+#ifdef HAVE_CHARSET
+    g_free (lc_mc_search->original.charset);
+#endif
+    g_free (lc_mc_search->error_str);
+
+    if (lc_mc_search->prepared.conditions != NULL)
+        mc_search__conditions_free (lc_mc_search->prepared.conditions);
+
+#ifdef SEARCH_TYPE_GLIB
+    if (lc_mc_search->regex_match_info != NULL)
+        g_match_info_free (lc_mc_search->regex_match_info);
+#else /* SEARCH_TYPE_GLIB */
+    g_free (lc_mc_search->regex_match_info);
+#endif /* SEARCH_TYPE_GLIB */
+
+    if (lc_mc_search->regex_buffer != NULL)
+        g_string_free (lc_mc_search->regex_buffer, TRUE);
+
+    g_free (lc_mc_search);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search_prepare (mc_search_t * lc_mc_search)
+{
+    GPtrArray *ret;
+
+    if (lc_mc_search->prepared.conditions != NULL)
+        return lc_mc_search->prepared.result;
+
+    ret = g_ptr_array_new ();
+#ifdef HAVE_CHARSET
+    if (!lc_mc_search->is_all_charsets)
+        g_ptr_array_add (ret,
+                         mc_search__cond_struct_new (lc_mc_search, lc_mc_search->original.str,
+                                                     lc_mc_search->original.charset));
+    else
+    {
+        gsize loop1;
+
+        for (loop1 = 0; loop1 < codepages->len; loop1++)
+        {
+            const char *id;
+
+            id = ((codepage_desc *) g_ptr_array_index (codepages, loop1))->id;
+            if (g_ascii_strcasecmp (id, lc_mc_search->original.charset) == 0)
+                g_ptr_array_add (ret,
+                                 mc_search__cond_struct_new (lc_mc_search,
+                                                             lc_mc_search->original.str,
+                                                             lc_mc_search->original.charset));
+            else
+            {
+                GString *buffer;
+
+                buffer =
+                    mc_search__recode_str (lc_mc_search->original.str->str,
+                                           lc_mc_search->original.str->len,
+                                           lc_mc_search->original.charset, id);
+                g_ptr_array_add (ret, mc_search__cond_struct_new (lc_mc_search, buffer, id));
+                g_string_free (buffer, TRUE);
+            }
+        }
+    }
+#else
+    g_ptr_array_add (ret,
+                     mc_search__cond_struct_new (lc_mc_search, lc_mc_search->original.str,
+                                                 str_detect_termencoding ()));
+#endif
+    lc_mc_search->prepared.conditions = ret;
+    lc_mc_search->prepared.result = (lc_mc_search->error == MC_SEARCH_E_OK);
+
+    return lc_mc_search->prepared.result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Carries out the search.
+ *
+ * Returns TRUE if found.
+ *
+ * Returns FALSE if not found. In this case, lc_mc_search->error reveals
+ * the reason:
+ *
+ *   - MC_SEARCH_E_NOTFOUND: the pattern isn't in the subject string.
+ *   - MC_SEARCH_E_ABORT: the user aborted the search.
+ *   - For any other reason (but not for the above two!): the description
+ *     is in lc_mc_search->error_str.
+ */
+gboolean
+mc_search_run (mc_search_t * lc_mc_search, const void *user_data,
+               gsize start_search, gsize end_search, gsize * found_len)
+{
+    gboolean ret = FALSE;
+
+    if (lc_mc_search == NULL || user_data == NULL)
+        return FALSE;
+    if (!mc_search_is_type_avail (lc_mc_search->search_type))
+    {
+        mc_search_set_error (lc_mc_search, MC_SEARCH_E_INPUT, "%s", _(STR_E_UNKNOWN_TYPE));
+        return FALSE;
+    }
+#ifdef SEARCH_TYPE_GLIB
+    if (lc_mc_search->regex_match_info != NULL)
+    {
+        g_match_info_free (lc_mc_search->regex_match_info);
+        lc_mc_search->regex_match_info = NULL;
+    }
+#endif /* SEARCH_TYPE_GLIB */
+
+    mc_search_set_error (lc_mc_search, MC_SEARCH_E_OK, NULL);
+
+    if (!mc_search_prepare (lc_mc_search))
+        return FALSE;
+
+    switch (lc_mc_search->search_type)
+    {
+    case MC_SEARCH_T_NORMAL:
+        ret = mc_search__run_normal (lc_mc_search, user_data, start_search, end_search, found_len);
+        break;
+    case MC_SEARCH_T_REGEX:
+        ret = mc_search__run_regex (lc_mc_search, user_data, start_search, end_search, found_len);
+        break;
+    case MC_SEARCH_T_GLOB:
+        ret = mc_search__run_glob (lc_mc_search, user_data, start_search, end_search, found_len);
+        break;
+    case MC_SEARCH_T_HEX:
+        ret = mc_search__run_hex (lc_mc_search, user_data, start_search, end_search, found_len);
+        break;
+    default:
+        break;
+    }
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search_is_type_avail (mc_search_type_t search_type)
+{
+    switch (search_type)
+    {
+    case MC_SEARCH_T_GLOB:
+    case MC_SEARCH_T_NORMAL:
+    case MC_SEARCH_T_REGEX:
+    case MC_SEARCH_T_HEX:
+        return TRUE;
+    default:
+        break;
+    }
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const mc_search_type_str_t *
+mc_search_types_list_get (size_t * num)
+{
+    /* don't count last NULL item */
+    if (num != NULL)
+        *num = G_N_ELEMENTS (mc_search__list_types) - 1;
+
+    return mc_search__list_types;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GString *
+mc_search_prepare_replace_str (mc_search_t * lc_mc_search, GString * replace_str)
+{
+    GString *ret;
+
+    if (replace_str == NULL || replace_str->len == 0)
+        return g_string_new ("");
+
+    if (lc_mc_search == NULL)
+        return mc_g_string_dup (replace_str);
+
+    switch (lc_mc_search->search_type)
+    {
+    case MC_SEARCH_T_REGEX:
+        ret = mc_search_regex_prepare_replace_str (lc_mc_search, replace_str);
+        break;
+    case MC_SEARCH_T_GLOB:
+        ret = mc_search_glob_prepare_replace_str (lc_mc_search, replace_str);
+        break;
+    case MC_SEARCH_T_NORMAL:
+        ret = mc_search_normal_prepare_replace_str (lc_mc_search, replace_str);
+        break;
+    case MC_SEARCH_T_HEX:
+        ret = mc_search_hex_prepare_replace_str (lc_mc_search, replace_str);
+        break;
+    default:
+        ret = mc_g_string_dup (replace_str);
+        break;
+    }
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+mc_search_prepare_replace_str2 (mc_search_t * lc_mc_search, const char *replace_str)
+{
+    GString *ret;
+    GString *replace_str2;
+
+    replace_str2 = g_string_new (replace_str);
+    ret = mc_search_prepare_replace_str (lc_mc_search, replace_str2);
+    g_string_free (replace_str2, TRUE);
+    return (ret != NULL) ? g_string_free (ret, FALSE) : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_search_is_fixed_search_str (const mc_search_t * lc_mc_search)
+{
+    if (lc_mc_search == NULL)
+        return FALSE;
+    switch (lc_mc_search->search_type)
+    {
+    case MC_SEARCH_T_REGEX:
+    case MC_SEARCH_T_GLOB:
+        return FALSE;
+    default:
+        return TRUE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Search specified pattern in specified string.
+ *
+ * @param pattern string to search
+ * @param pattern_charset charset of #pattern. If NULL then cp_display will be used
+ * @param str string where search #pattern
+ * @param search type (normal, regex, hex or glob)
+ *
+ * @return TRUE if found is successful, FALSE otherwise.
+ */
+
+gboolean
+mc_search (const gchar * pattern, const gchar * pattern_charset, const gchar * str,
+           mc_search_type_t type)
+{
+    gboolean ret;
+    mc_search_t *search;
+
+    if (str == NULL)
+        return FALSE;
+
+    search = mc_search_new (pattern, pattern_charset);
+    if (search == NULL)
+        return FALSE;
+
+    search->search_type = type;
+    search->is_case_sensitive = TRUE;
+
+    if (type == MC_SEARCH_T_GLOB)
+        search->is_entire_line = TRUE;
+
+    ret = mc_search_run (search, str, 0, strlen (str), NULL);
+    mc_search_free (search);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_search_getstart_result_by_num (mc_search_t * lc_mc_search, int lc_index)
+{
+    if (lc_mc_search == NULL)
+        return 0;
+    if (lc_mc_search->search_type == MC_SEARCH_T_NORMAL)
+        return 0;
+#ifdef SEARCH_TYPE_GLIB
+    {
+        gint start_pos;
+        gint end_pos;
+
+        g_match_info_fetch_pos (lc_mc_search->regex_match_info, lc_index, &start_pos, &end_pos);
+        return (int) start_pos;
+    }
+#else /* SEARCH_TYPE_GLIB */
+    return lc_mc_search->iovector[lc_index * 2];
+#endif /* SEARCH_TYPE_GLIB */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_search_getend_result_by_num (mc_search_t * lc_mc_search, int lc_index)
+{
+    if (lc_mc_search == NULL)
+        return 0;
+    if (lc_mc_search->search_type == MC_SEARCH_T_NORMAL)
+        return 0;
+#ifdef SEARCH_TYPE_GLIB
+    {
+        gint start_pos;
+        gint end_pos;
+
+        g_match_info_fetch_pos (lc_mc_search->regex_match_info, lc_index, &start_pos, &end_pos);
+        return (int) end_pos;
+    }
+#else /* SEARCH_TYPE_GLIB */
+    return lc_mc_search->iovector[lc_index * 2 + 1];
+#endif /* SEARCH_TYPE_GLIB */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Replace an old error code and message of an mc_search_t object.
+ *
+ * @param mc_search mc_search_t object
+ * @param code error code, one of mc_search_error_t values
+ * @param format format of error message. If NULL, the old error string is free'd and become NULL
+ */
+
+void
+mc_search_set_error (mc_search_t * lc_mc_search, mc_search_error_t code, const gchar * format, ...)
+{
+    lc_mc_search->error = code;
+
+    MC_PTR_FREE (lc_mc_search->error_str);
+
+    if (format != NULL)
+    {
+        va_list args;
+
+        va_start (args, format);
+        lc_mc_search->error_str = g_strdup_vprintf (format, args);
+        va_end (args);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/serialize.c b/lib/serialize.c
new file mode 100644
index 0000000..3dd2296
--- /dev/null
+++ b/lib/serialize.c
@@ -0,0 +1,348 @@
+/*
+   Provides a serialize/unserialize functionality for INI-like formats.
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file lib/serialize.c
+ *  \brief Source: serialize/unserialize functionality for INI-like formats.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "lib/global.h"
+
+#include "lib/serialize.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define SRLZ_DELIM_C ':'
+#define SRLZ_DELIM_S ":"
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+G_GNUC_PRINTF (2, 3)
+prepend_error_message (GError ** error, const char *format, ...)
+{
+    char *prepend_str;
+    char *split_str;
+    va_list ap;
+
+    if ((error == NULL) || (*error == NULL))
+        return;
+
+    va_start (ap, format);
+    prepend_str = g_strdup_vprintf (format, ap);
+    va_end (ap);
+
+    split_str = g_strdup_printf ("%s: %s", prepend_str, (*error)->message);
+    g_free (prepend_str);
+    g_free ((*error)->message);
+    (*error)->message = split_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+go_to_end_of_serialized_string (const char *non_serialized_data,
+                                const char *already_serialized_part, size_t * offset)
+{
+    size_t calculated_offset;
+    const char *semi_ptr = strchr (non_serialized_data + 1, SRLZ_DELIM_C);
+
+    calculated_offset = (semi_ptr - non_serialized_data) + 1 + strlen (already_serialized_part);
+    if (calculated_offset >= strlen (non_serialized_data))
+        return NULL;
+
+    non_serialized_data += calculated_offset;
+    *offset += calculated_offset;
+
+    return non_serialized_data;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Serialize some string object to string
+ *
+ * @param prefix prefix for serailization
+ * @param data data for serialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return serialized data as newly allocated string
+ */
+
+char *
+mc_serialize_str (const char prefix, const char *data, GError ** error)
+{
+    if (data == NULL)
+    {
+        g_set_error (error, MC_ERROR, 0, "mc_serialize_str(): Input data is NULL.");
+        return NULL;
+    }
+    return g_strdup_printf ("%c%zu" SRLZ_DELIM_S "%s", prefix, strlen (data), data);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deserialize string to string object
+ *
+ * @param prefix prefix for deserailization
+ * @param data data for deserialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return newly allocated string
+ */
+
+#define FUNC_NAME "mc_serialize_str()"
+char *
+mc_deserialize_str (const char prefix, const char *data, GError ** error)
+{
+    size_t data_len;
+
+    if ((data == NULL) || (*data == '\0'))
+    {
+        g_set_error (error, MC_ERROR, 0, FUNC_NAME ": Input data is NULL or empty.");
+        return NULL;
+    }
+
+    if (*data != prefix)
+    {
+        g_set_error (error, MC_ERROR, 0, FUNC_NAME ": String prefix doesn't equal to '%c'", prefix);
+        return NULL;
+    }
+
+    {
+        char buffer[BUF_TINY];
+        char *semi_ptr;
+        size_t semi_offset;
+
+        semi_ptr = strchr (data + 1, SRLZ_DELIM_C);
+        if (semi_ptr == NULL)
+        {
+            g_set_error (error, MC_ERROR, 0,
+                         FUNC_NAME ": Length delimiter '%c' doesn't exists", SRLZ_DELIM_C);
+            return NULL;
+        }
+        semi_offset = semi_ptr - (data + 1);
+        if (semi_offset >= BUF_TINY)
+        {
+            g_set_error (error, MC_ERROR, 0, FUNC_NAME ": Too big string length");
+            return NULL;
+        }
+        strncpy (buffer, data + 1, semi_offset);
+        buffer[semi_offset] = '\0';
+        data_len = atol (buffer);
+        data += semi_offset + 2;
+    }
+
+    if (data_len > strlen (data))
+    {
+        g_set_error (error, MC_ERROR, 0,
+                     FUNC_NAME
+                     ": Specified data length (%zu) is greater than actual data length (%zu)",
+                     data_len, strlen (data));
+        return NULL;
+    }
+    return g_strndup (data, data_len);
+}
+
+#undef FUNC_NAME
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Serialize mc_config_t object to string
+ *
+ * @param data data for serialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return serialized data as newly allocated string
+ */
+
+char *
+mc_serialize_config (mc_config_t * data, GError ** error)
+{
+    gchar **groups, **group_iterator;
+    GString *buffer;
+
+    buffer = g_string_new ("");
+    groups = mc_config_get_groups (data, NULL);
+
+    for (group_iterator = groups; *group_iterator != NULL; group_iterator++)
+    {
+        char *serialized_str;
+        gchar **params, **param_iterator;
+
+        serialized_str = mc_serialize_str ('g', *group_iterator, error);
+        if (serialized_str == NULL)
+        {
+            g_string_free (buffer, TRUE);
+            g_strfreev (groups);
+            return NULL;
+        }
+        g_string_append (buffer, serialized_str);
+        g_free (serialized_str);
+
+        params = mc_config_get_keys (data, *group_iterator, NULL);
+
+        for (param_iterator = params; *param_iterator != NULL; param_iterator++)
+        {
+            char *value;
+
+            serialized_str = mc_serialize_str ('p', *param_iterator, error);
+            if (serialized_str == NULL)
+            {
+                g_string_free (buffer, TRUE);
+                g_strfreev (params);
+                g_strfreev (groups);
+                return NULL;
+            }
+            g_string_append (buffer, serialized_str);
+            g_free (serialized_str);
+
+            value = mc_config_get_string_raw (data, *group_iterator, *param_iterator, "");
+            serialized_str = mc_serialize_str ('v', value, error);
+            g_free (value);
+
+            if (serialized_str == NULL)
+            {
+                g_string_free (buffer, TRUE);
+                g_strfreev (params);
+                g_strfreev (groups);
+                return NULL;
+            }
+
+            g_string_append (buffer, serialized_str);
+            g_free (serialized_str);
+        }
+
+        g_strfreev (params);
+    }
+
+    g_strfreev (groups);
+
+    return g_string_free (buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deserialize string to mc_config_t object
+ *
+ * @param data data for serialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return newly allocated mc_config_t object
+ */
+
+#define FUNC_NAME "mc_deserialize_config()"
+#define prepend_error_and_exit() { \
+    prepend_error_message (error, FUNC_NAME " at %zu", current_position + 1); \
+                mc_config_deinit (ret_data); \
+                return NULL; \
+}
+
+mc_config_t *
+mc_deserialize_config (const char *data, GError ** error)
+{
+    char *current_group = NULL, *current_param = NULL, *current_value = NULL;
+    size_t current_position = 0;
+    mc_config_t *ret_data;
+    enum automat_status
+    {
+        WAIT_GROUP,
+        WAIT_PARAM,
+        WAIT_VALUE
+    } current_status = WAIT_GROUP;
+
+    ret_data = mc_config_init (NULL, FALSE);
+
+    while (data != NULL)
+    {
+        if ((current_status == WAIT_GROUP) && (*data == 'p') && (current_group != NULL))
+            current_status = WAIT_PARAM;
+
+        switch (current_status)
+        {
+        case WAIT_GROUP:
+            g_free (current_group);
+
+            current_group = mc_deserialize_str ('g', data, error);
+            if (current_group == NULL)
+                prepend_error_and_exit ();
+
+            data = go_to_end_of_serialized_string (data, current_group, &current_position);
+            current_status = WAIT_PARAM;
+            break;
+        case WAIT_PARAM:
+            g_free (current_param);
+
+            current_param = mc_deserialize_str ('p', data, error);
+            if (current_param == NULL)
+            {
+                g_free (current_group);
+                prepend_error_and_exit ();
+            }
+
+            data = go_to_end_of_serialized_string (data, current_param, &current_position);
+            current_status = WAIT_VALUE;
+            break;
+        case WAIT_VALUE:
+            current_value = mc_deserialize_str ('v', data, error);
+            if (current_value == NULL)
+            {
+                g_free (current_group);
+                g_free (current_param);
+                prepend_error_and_exit ();
+            }
+            mc_config_set_string (ret_data, current_group, current_param, current_value);
+
+            data = go_to_end_of_serialized_string (data, current_value, &current_position);
+            g_free (current_value);
+            current_status = WAIT_GROUP;
+            break;
+        default:
+            break;
+        }
+    }
+    g_free (current_group);
+    g_free (current_param);
+
+    return ret_data;
+}
+
+#undef FUNC_NAME
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/serialize.h b/lib/serialize.h
new file mode 100644
index 0000000..ba24a80
--- /dev/null
+++ b/lib/serialize.h
@@ -0,0 +1,27 @@
+#ifndef MC__SERIALIZE_H
+#define MC__SERIALIZE_H
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/mcconfig.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+char *mc_serialize_str (const char prefix, const char *data, GError ** error);
+char *mc_deserialize_str (const char prefix, const char *data, GError ** error);
+
+char *mc_serialize_config (mc_config_t * data, GError ** error);
+mc_config_t *mc_deserialize_config (const char *data, GError ** error);
+
+/*** inline functions ****************************************************************************/
+
+#endif
diff --git a/lib/shell.c b/lib/shell.c
new file mode 100644
index 0000000..41b58fb
--- /dev/null
+++ b/lib/shell.c
@@ -0,0 +1,262 @@
+/*
+   Provides a functions for working with shell.
+
+   Copyright (C) 2006-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2015.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file shell.c
+ *  \brief Source: provides a functions for working with shell.
+ */
+
+#include <config.h>
+
+#include <pwd.h>                /* for username in xterm title */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "global.h"
+#include "util.h"
+
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static char rp_shell[PATH_MAX];
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get a system shell.
+ *
+ * @return newly allocated mc_shell_t object with shell name
+ */
+
+static mc_shell_t *
+mc_shell_get_installed_in_system (void)
+{
+    mc_shell_t *mc_shell;
+
+    mc_shell = g_new0 (mc_shell_t, 1);
+
+    /* 3rd choice: look for existing shells supported as MC subshells.  */
+    if (access ("/bin/bash", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/bash");
+    else if (access ("/bin/ash", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/ash");
+    else if (access ("/bin/dash", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/dash");
+    else if (access ("/bin/busybox", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/busybox");
+    else if (access ("/bin/zsh", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/zsh");
+    else if (access ("/bin/tcsh", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/tcsh");
+    else if (access ("/bin/csh", X_OK) == 0)
+        mc_shell->path = g_strdup ("/bin/csh");
+    /* No fish as fallback because it is so much different from other shells and
+     * in a way exotic (even though user-friendly by name) that we should not
+     * present it as a subshell without the user's explicit intention. We rather
+     * will not use a subshell but just a command line.
+     * else if (access("/bin/fish", X_OK) == 0)
+     *     mc_global.tty.shell = g_strdup ("/bin/fish");
+     */
+    else
+        /* Fallback and last resort: system default shell */
+        mc_shell->path = g_strdup ("/bin/sh");
+
+    return mc_shell;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_shell_get_name_env (void)
+{
+    const char *shell_env;
+    char *shell_name = NULL;
+
+    shell_env = g_getenv ("SHELL");
+    if ((shell_env == NULL) || (shell_env[0] == '\0'))
+    {
+        /* 2nd choice: user login shell */
+        struct passwd *pwd;
+
+        pwd = getpwuid (geteuid ());
+        if (pwd != NULL)
+            shell_name = g_strdup (pwd->pw_shell);
+    }
+    else
+        /* 1st choice: SHELL environment variable */
+        shell_name = g_strdup (shell_env);
+
+    return shell_name;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_shell_t *
+mc_shell_get_from_env (void)
+{
+    mc_shell_t *mc_shell = NULL;
+
+    char *shell_name;
+
+    shell_name = mc_shell_get_name_env ();
+
+    if (shell_name != NULL)
+    {
+        mc_shell = g_new0 (mc_shell_t, 1);
+        mc_shell->path = shell_name;
+    }
+
+    return mc_shell;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_shell_recognize_real_path (mc_shell_t * mc_shell)
+{
+    if (strstr (mc_shell->path, "/zsh") != NULL || strstr (mc_shell->real_path, "/zsh") != NULL
+        || getenv ("ZSH_VERSION") != NULL)
+    {
+        /* Also detects ksh symlinked to zsh */
+        mc_shell->type = SHELL_ZSH;
+        mc_shell->name = "zsh";
+    }
+    else if (strstr (mc_shell->path, "/tcsh") != NULL
+             || strstr (mc_shell->real_path, "/tcsh") != NULL)
+    {
+        /* Also detects csh symlinked to tcsh */
+        mc_shell->type = SHELL_TCSH;
+        mc_shell->name = "tcsh";
+    }
+    else if (strstr (mc_shell->path, "/csh") != NULL
+             || strstr (mc_shell->real_path, "/csh") != NULL)
+    {
+        mc_shell->type = SHELL_TCSH;
+        mc_shell->name = "csh";
+    }
+    else if (strstr (mc_shell->path, "/fish") != NULL
+             || strstr (mc_shell->real_path, "/fish") != NULL)
+    {
+        mc_shell->type = SHELL_FISH;
+        mc_shell->name = "fish";
+    }
+    else if (strstr (mc_shell->path, "/dash") != NULL
+             || strstr (mc_shell->real_path, "/dash") != NULL)
+    {
+        /* Debian ash (also found if symlinked to by ash/sh) */
+        mc_shell->type = SHELL_DASH;
+        mc_shell->name = "dash";
+    }
+    else if (strstr (mc_shell->real_path, "/busybox") != NULL)
+    {
+        /* If shell is symlinked to busybox, assume it is an ash, even though theoretically
+         * it could also be a hush (a mini shell for non-MMU systems deactivated by default).
+         * For simplicity's sake we assume that busybox always contains an ash, not a hush.
+         * On embedded platforms or on server systems, /bin/sh often points to busybox.
+         * Sometimes even bash is symlinked to busybox (CONFIG_FEATURE_BASH_IS_ASH option),
+         * so we need to check busybox symlinks *before* checking for the name "bash"
+         * in order to avoid that case. */
+        mc_shell->type = SHELL_ASH_BUSYBOX;
+        mc_shell->name = mc_shell->path;
+    }
+    else
+        mc_shell->type = SHELL_NONE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_shell_recognize_path (mc_shell_t * mc_shell)
+{
+    /* If shell is not symlinked to busybox, it is safe to assume it is a real shell */
+    if (strstr (mc_shell->path, "/bash") != NULL || getenv ("BASH") != NULL)
+    {
+        mc_shell->type = SHELL_BASH;
+        mc_shell->name = "bash";
+    }
+    else if (strstr (mc_shell->path, "/sh") != NULL || getenv ("SH") != NULL)
+    {
+        mc_shell->type = SHELL_SH;
+        mc_shell->name = "sh";
+    }
+    else if (strstr (mc_shell->path, "/ash") != NULL || getenv ("ASH") != NULL)
+    {
+        mc_shell->type = SHELL_ASH_BUSYBOX;
+        mc_shell->name = "ash";
+    }
+    else
+        mc_shell->type = SHELL_NONE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_shell_init (void)
+{
+    mc_shell_t *mc_shell;
+
+    mc_shell = mc_shell_get_from_env ();
+
+    if (mc_shell == NULL)
+        mc_shell = mc_shell_get_installed_in_system ();
+
+    mc_shell->real_path = mc_realpath (mc_shell->path, rp_shell);
+
+    /* Find out what type of shell we have. Also consider real paths (resolved symlinks)
+     * because e.g. csh might point to tcsh, ash to dash or busybox, sh to anything. */
+
+    if (mc_shell->real_path != NULL)
+        mc_shell_recognize_real_path (mc_shell);
+
+    if (mc_shell->type == SHELL_NONE)
+        mc_shell_recognize_path (mc_shell);
+
+    if (mc_shell->type == SHELL_NONE)
+        mc_global.tty.use_subshell = FALSE;
+
+    mc_global.shell = mc_shell;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_shell_deinit (void)
+{
+    if (mc_global.shell != NULL)
+    {
+        g_free (mc_global.shell->path);
+        MC_PTR_FREE (mc_global.shell);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/shell.h b/lib/shell.h
new file mode 100644
index 0000000..7ba82dc
--- /dev/null
+++ b/lib/shell.h
@@ -0,0 +1,43 @@
+/** \file shell.h
+ *  \brief Header: shell structure
+ */
+
+#ifndef MC_SHELL_H
+#define MC_SHELL_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    SHELL_NONE,
+    SHELL_SH,
+    SHELL_BASH,
+    SHELL_ASH_BUSYBOX,          /* BusyBox default shell (ash) */
+    SHELL_DASH,                 /* Debian variant of ash */
+    SHELL_TCSH,
+    SHELL_ZSH,
+    SHELL_FISH
+} shell_type_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    shell_type_t type;
+    const char *name;
+    char *path;
+    char *real_path;
+} mc_shell_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void mc_shell_init (void);
+void mc_shell_deinit (void);
+
+/*** inline functions **************************************************/
+
+#endif /* MC_SHELL_H */
diff --git a/lib/skin.h b/lib/skin.h
new file mode 100644
index 0000000..024e0c5
--- /dev/null
+++ b/lib/skin.h
@@ -0,0 +1,145 @@
+#ifndef MC_SKIN_H
+#define MC_SKIN_H
+
+#include "lib/global.h"
+
+#include "lib/mcconfig.h"
+
+#include "lib/tty/color.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Beware! When using Slang with color, not all the indexes are free.
+   See color-slang.h (A_*) */
+
+/* cache often used colors */
+#define DEFAULT_COLOR             mc_skin_color__cache[0]
+#define NORMAL_COLOR              mc_skin_color__cache[1]
+#define MARKED_COLOR              mc_skin_color__cache[2]
+#define SELECTED_COLOR            mc_skin_color__cache[3]
+#define MARKED_SELECTED_COLOR     mc_skin_color__cache[4]
+#define DISABLED_COLOR            mc_skin_color__cache[5]
+#define REVERSE_COLOR             mc_skin_color__cache[6]
+#define COMMAND_MARK_COLOR        mc_skin_color__cache[7]
+#define HEADER_COLOR              mc_skin_color__cache[8]
+#define SHADOW_COLOR              mc_skin_color__cache[9]
+
+/* Dialog colors */
+#define COLOR_NORMAL              mc_skin_color__cache[10]
+#define COLOR_FOCUS               mc_skin_color__cache[11]
+#define COLOR_HOT_NORMAL          mc_skin_color__cache[12]
+#define COLOR_HOT_FOCUS           mc_skin_color__cache[13]
+#define COLOR_TITLE               mc_skin_color__cache[14]
+
+/* Error dialog colors */
+#define ERROR_COLOR               mc_skin_color__cache[15]
+#define ERROR_FOCUS               mc_skin_color__cache[16]
+#define ERROR_HOT_NORMAL          mc_skin_color__cache[17]
+#define ERROR_HOT_FOCUS           mc_skin_color__cache[18]
+#define ERROR_TITLE               mc_skin_color__cache[19]
+
+/* Menu colors */
+#define MENU_ENTRY_COLOR          mc_skin_color__cache[20]
+#define MENU_SELECTED_COLOR       mc_skin_color__cache[21]
+#define MENU_HOT_COLOR            mc_skin_color__cache[22]
+#define MENU_HOTSEL_COLOR         mc_skin_color__cache[23]
+#define MENU_INACTIVE_COLOR       mc_skin_color__cache[24]
+
+/* Popup menu colors */
+#define PMENU_ENTRY_COLOR         mc_skin_color__cache[25]
+#define PMENU_SELECTED_COLOR      mc_skin_color__cache[26]
+#define PMENU_HOT_COLOR           mc_skin_color__cache[27]      /* unused: not implemented yet */
+#define PMENU_HOTSEL_COLOR        mc_skin_color__cache[28]      /* unused: not implemented yet */
+#define PMENU_TITLE_COLOR         mc_skin_color__cache[29]
+
+#define BUTTONBAR_HOTKEY_COLOR    mc_skin_color__cache[30]
+#define BUTTONBAR_BUTTON_COLOR    mc_skin_color__cache[31]
+
+#define STATUSBAR_COLOR           mc_skin_color__cache[32]
+
+/*
+ * This should be selectable independently. Default has to be black background
+ * foreground does not matter at all.
+ */
+#define GAUGE_COLOR               mc_skin_color__cache[33]
+#define INPUT_COLOR               mc_skin_color__cache[34]
+#define INPUT_UNCHANGED_COLOR     mc_skin_color__cache[35]
+#define INPUT_MARK_COLOR          mc_skin_color__cache[36]
+#define INPUT_HISTORY_COLOR       mc_skin_color__cache[37]
+#define COMMAND_HISTORY_COLOR     mc_skin_color__cache[38]
+
+#define HELP_NORMAL_COLOR         mc_skin_color__cache[39]
+#define HELP_ITALIC_COLOR         mc_skin_color__cache[40]
+#define HELP_BOLD_COLOR           mc_skin_color__cache[41]
+#define HELP_LINK_COLOR           mc_skin_color__cache[42]
+#define HELP_SLINK_COLOR          mc_skin_color__cache[43]
+#define HELP_TITLE_COLOR          mc_skin_color__cache[44]
+
+
+#define VIEW_NORMAL_COLOR         mc_skin_color__cache[45]
+#define VIEW_BOLD_COLOR           mc_skin_color__cache[46]
+#define VIEW_UNDERLINED_COLOR     mc_skin_color__cache[47]
+#define VIEW_SELECTED_COLOR       mc_skin_color__cache[48]
+
+/*
+ * editor colors - only 4 for normal, search->found, select, and whitespace
+ * respectively
+ * Last is defined to view color.
+ */
+#define EDITOR_NORMAL_COLOR       mc_skin_color__cache[49]
+#define EDITOR_BOLD_COLOR         mc_skin_color__cache[50]
+#define EDITOR_MARKED_COLOR       mc_skin_color__cache[51]
+#define EDITOR_WHITESPACE_COLOR   mc_skin_color__cache[52]
+#define EDITOR_RIGHT_MARGIN_COLOR mc_skin_color__cache[53]
+#define EDITOR_BACKGROUND         mc_skin_color__cache[54]
+#define EDITOR_FRAME              mc_skin_color__cache[55]
+#define EDITOR_FRAME_ACTIVE       mc_skin_color__cache[56]
+#define EDITOR_FRAME_DRAG         mc_skin_color__cache[57]
+/* color of left 8 char status per line */
+#define LINE_STATE_COLOR          mc_skin_color__cache[58]
+#define BOOK_MARK_COLOR           mc_skin_color__cache[59]
+#define BOOK_MARK_FOUND_COLOR     mc_skin_color__cache[60]
+
+/* Diff colors */
+#define DFF_ADD_COLOR             mc_skin_color__cache[61]
+#define DFF_CHG_COLOR             mc_skin_color__cache[62]
+#define DFF_CHH_COLOR             mc_skin_color__cache[63]
+#define DFF_CHD_COLOR             mc_skin_color__cache[64]
+#define DFF_DEL_COLOR             mc_skin_color__cache[65]
+#define DFF_ERROR_COLOR           mc_skin_color__cache[66]
+
+#define MC_SKIN_COLOR_CACHE_COUNT 67
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_skin_struct
+{
+    gchar *name;
+    gchar *description;
+    mc_config_t *config;
+    GHashTable *colors;
+    gboolean have_256_colors;
+    gboolean have_true_colors;
+} mc_skin_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int mc_skin_color__cache[];
+extern mc_skin_t mc_skin__default;
+
+/*** declarations of public functions ************************************************************/
+
+gboolean mc_skin_init (const gchar * skin_override, GError ** error);
+void mc_skin_deinit (void);
+
+int mc_skin_color_get (const gchar * group, const gchar * name);
+
+void mc_skin_lines_parse_ini_file (mc_skin_t * mc_skin);
+
+gchar *mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value);
+
+GPtrArray *mc_skin_list (void);
+
+#endif /* MC_SKIN_H */
diff --git a/lib/skin/Makefile.am b/lib/skin/Makefile.am
new file mode 100644
index 0000000..04f12ed
--- /dev/null
+++ b/lib/skin/Makefile.am
@@ -0,0 +1,12 @@
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+
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+	common.c \
+	hc-skins.c \
+	ini-file.c \
+	lines.c \
+	internal.h
+
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diff --git a/lib/skin/Makefile.in b/lib/skin/Makefile.in
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index 0000000..21a46a1
--- /dev/null
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+	colors.c \
+	colors-old.c \
+	common.c \
+	hc-skins.c \
+	ini-file.c \
+	lines.c \
+	internal.h
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS)
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+
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+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu lib/skin/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu lib/skin/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+libmcskin.la: $(libmcskin_la_OBJECTS) $(libmcskin_la_DEPENDENCIES) $(EXTRA_libmcskin_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK)  $(libmcskin_la_OBJECTS) $(libmcskin_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/colors-old.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/colors.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/common.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hc-skins.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ini-file.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lines.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
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+mostlyclean-libtool:
+	-rm -f *.lo
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+clean-libtool:
+	-rm -rf .libs _libs
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+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
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+install-am: all-am
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+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/colors-old.Plo
+	-rm -f ./$(DEPDIR)/colors.Plo
+	-rm -f ./$(DEPDIR)/common.Plo
+	-rm -f ./$(DEPDIR)/hc-skins.Plo
+	-rm -f ./$(DEPDIR)/ini-file.Plo
+	-rm -f ./$(DEPDIR)/lines.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
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+dvi: dvi-am
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+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/colors-old.Plo
+	-rm -f ./$(DEPDIR)/colors.Plo
+	-rm -f ./$(DEPDIR)/common.Plo
+	-rm -f ./$(DEPDIR)/hc-skins.Plo
+	-rm -f ./$(DEPDIR)/ini-file.Plo
+	-rm -f ./$(DEPDIR)/lines.Plo
+	-rm -f Makefile
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+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
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+	install-exec install-exec-am install-html install-html-am \
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/skin/colors-old.c b/lib/skin/colors-old.c
new file mode 100644
index 0000000..314c8cb
--- /dev/null
+++ b/lib/skin/colors-old.c
@@ -0,0 +1,199 @@
+/*
+   Skins engine.
+   Work with colors - backward compatibility
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>             /* strcmp() */
+#include <sys/types.h>          /* size_t */
+
+#include "internal.h"
+
+#include "lib/tty/color.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct mc_skin_colors_old_struct
+{
+    const char *old_color;
+    const char *group;
+    const char *key;
+} mc_skin_colors_old_t;
+
+/*** file scope variables ************************************************************************/
+
+/* keep this table alphabetically sorted */
+static const mc_skin_colors_old_t old_colors[] = {
+    {"bbarbutton", "buttonbar", "button"},
+    {"bbarhotkey", "buttonbar", "hotkey"},
+    {"commandlinemark", "core", "commandlinemark"},
+    {"dfocus", "dialog", "dfocus"},
+    {"dhotfocus", "dialog", "dhotfocus"},
+    {"dhotnormal", "dialog", "dhotnormal"},
+    {"disabled", "core", "disabled"},
+    {"dnormal", "dialog", "_default_"},
+    {"editbg", "editor", "editbg"},
+    {"editbold", "editor", "editbold"},
+    {"editframe", "editor", "editframe"},
+    {"editframeactive", "editor", "editframeactive"},
+    {"editframedrag", "editor", "editframedrag"},
+    {"editlinestate", "editor", "editlinestate"},
+    {"editmarked", "editor", "editmarked"},
+    {"editnormal", "editor", "_default_"},
+    {"editwhitespace", "editor", "editwhitespace"},
+    {"errdhotfocus", "error", "errdhotfocus"},
+    {"errdhotnormal", "error", "errdhotnormal"},
+    {"errors", "error", "_default_"},
+    {"gauge", "core", "gauge"},
+    {"header", "core", "header"},
+    {"helpbold", "help", "helpbold"},
+    {"helpitalic", "help", "helpitalic"},
+    {"helplink", "help", "helplink"},
+    {"helpnormal", "help", "_default_"},
+    {"helpslink", "help", "helpslink"},
+    {"input", "core", "input"},
+    {"inputmark", "core", "inputmark"},
+    {"inputunchanged", "core", "inputunchanged"},
+    {"marked", "core", "marked"},
+    {"markselect", "core", "markselect"},
+    {"menuhot", "menu", "menuhot"},
+    {"menuhotsel", "menu", "menuhotsel"},
+    {"menuinactive", "menu", "menuinactive"},
+    {"menunormal", "menu", "_default_"},
+    {"menusel", "menu", "menusel"},
+    {"normal", "core", "_default_"},
+    {"pmenunormal", "popupmenu", "_default_"},
+    {"pmenusel", "popupmenu", "menusel"},
+    {"pmenutitle", "popupmenu", "menutitle"},
+    {"reverse", "core", "reverse"},
+    {"selected", "core", "selected"},
+    {"statusbar", "statusbar", "_default_"},
+    {"viewbold", "viewer", "viewbold"},
+    {"viewnormal", "viewer", "_default_"},
+    {"viewselected", "viewer", "viewselected"},
+    {"viewunderline", "viewer", "viewunderline"}
+};
+
+static const size_t num_old_colors = G_N_ELEMENTS (old_colors);
+
+/*** file scope functions ************************************************************************/
+
+static int
+old_color_comparator (const void *p1, const void *p2)
+{
+    const mc_skin_colors_old_t *m1 = (const mc_skin_colors_old_t *) p1;
+    const mc_skin_colors_old_t *m2 = (const mc_skin_colors_old_t *) p2;
+
+    return strcmp (m1->old_color, m2->old_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_colors_old_transform (const char *old_color, const char **group, const char **key)
+{
+    const mc_skin_colors_old_t oc = { old_color, NULL, NULL };
+    mc_skin_colors_old_t *res;
+
+    if (old_color == NULL)
+        return FALSE;
+
+    res = (mc_skin_colors_old_t *) bsearch (&oc, old_colors, num_old_colors,
+                                            sizeof (old_colors[0]), old_color_comparator);
+
+    if (res == NULL)
+        return FALSE;
+
+    if (group != NULL)
+        *group = res->group;
+    if (key != NULL)
+        *key = res->key;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_colors_old_configure_one (mc_skin_t * mc_skin, const char *the_color_string)
+{
+    gchar **colors, **orig_colors;
+
+    if (the_color_string == NULL)
+        return;
+
+    orig_colors = g_strsplit (the_color_string, ":", -1);
+    if (orig_colors == NULL)
+        return;
+
+    for (colors = orig_colors; *colors != NULL; colors++)
+    {
+        gchar **key_val;
+        const gchar *skin_group, *skin_key;
+
+        key_val = g_strsplit_set (*colors, "=,", 4);
+
+        if (key_val == NULL)
+            continue;
+
+        if (key_val[1] != NULL && mc_skin_colors_old_transform (key_val[0], &skin_group, &skin_key))
+        {
+            gchar *skin_val;
+
+            if (key_val[2] == NULL)
+                skin_val = g_strdup_printf ("%s;", key_val[1]);
+            else if (key_val[3] == NULL)
+                skin_val = g_strdup_printf ("%s;%s", key_val[1], key_val[2]);
+            else
+                skin_val = g_strdup_printf ("%s;%s;%s", key_val[1], key_val[2], key_val[3]);
+
+            mc_config_set_string (mc_skin->config, skin_group, skin_key, skin_val);
+            g_free (skin_val);
+        }
+
+        g_strfreev (key_val);
+    }
+    g_strfreev (orig_colors);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_colors_old_configure (mc_skin_t * mc_skin)
+{
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.setup_color_string);
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.term_color_string);
+    mc_skin_colors_old_configure_one (mc_skin, getenv ("MC_COLOR_TABLE"));
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.command_line_colors);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/colors.c b/lib/skin/colors.c
new file mode 100644
index 0000000..1d4f905
--- /dev/null
+++ b/lib/skin/colors.c
@@ -0,0 +1,418 @@
+/*
+   Skins engine.
+   Work with colors
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "internal.h"
+
+#include "lib/tty/color.h"
+
+/*** global variables ****************************************************************************/
+
+int mc_skin_color__cache[MC_SKIN_COLOR_CACHE_COUNT];
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static mc_skin_color_t *
+mc_skin_color_get_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gchar kname[BUF_TINY];
+    mc_skin_color_t *mc_skin_color;
+
+    if (group == NULL || key == NULL)
+        return NULL;
+
+    if (mc_skin == NULL)
+        mc_skin = &mc_skin__default;
+
+    g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
+    mc_skin_color = (mc_skin_color_t *) g_hash_table_lookup (mc_skin->colors, (gpointer) kname);
+
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#if 0
+static void
+mc_skin_color_remove_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gchar kname[BUF_TINY];
+    if (group == NULL || key == NULL)
+        return;
+
+    if (mc_skin == NULL)
+        mc_skin = &mc_skin__default;
+
+    g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
+    g_hash_table_remove (mc_skin->colors, (gpointer) kname);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_add_to_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key,
+                           mc_skin_color_t * mc_skin_color)
+{
+    gchar *kname;
+
+    kname = g_strdup_printf ("%s.%s", group, key);
+    if (kname != NULL)
+    {
+        if (g_hash_table_lookup (mc_skin->colors, (gpointer) kname) != NULL)
+            g_hash_table_remove (mc_skin->colors, (gpointer) kname);
+
+        g_hash_table_insert (mc_skin->colors, (gpointer) kname, (gpointer) mc_skin_color);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_skin_color_t *
+mc_skin_color_get_with_defaults (const gchar * group, const gchar * name)
+{
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, group, name);
+    if (mc_skin_color != NULL)
+        return mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, group, "_default_");
+    if (mc_skin_color != NULL)
+        return mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, "core", "_default_");
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* If an alias is found, alloc a new string for the resolved value and free the input parameter.
+   Otherwise it's a no-op returning the original string. */
+static gchar *
+mc_skin_color_look_up_alias (mc_skin_t * mc_skin, gchar * str)
+{
+    gchar *orig, *str2;
+    int hop = 0;
+
+    orig = g_strdup (str);
+    str2 = g_strdup (str);
+
+    while (TRUE)
+    {
+        gchar **values;
+        gsize items_count;
+
+        values = mc_config_get_string_list (mc_skin->config, "aliases", str, &items_count);
+        if (items_count != 1)
+        {
+            /* No such alias declaration found, that is, we've got the resolved value. */
+            g_strfreev (values);
+            g_free (str2);
+            g_free (orig);
+            return str;
+        }
+
+        g_free (str);
+        str = g_strdup (values[0]);
+        g_strfreev (values);
+
+        /* str2 resolves at half speed than str. This is used for loop detection. */
+        if (hop++ % 2 != 0)
+        {
+            values = mc_config_get_string_list (mc_skin->config, "aliases", str2, &items_count);
+            g_assert (items_count == 1);
+            g_free (str2);
+            str2 = g_strdup (values[0]);
+            g_strfreev (values);
+
+            if (strcmp (str, str2) == 0)
+            {
+                /* Loop detected. */
+                fprintf (stderr,
+                         "Loop detected while trying to resolve alias \"%s\" in skin \"%s\"\n",
+                         orig, mc_skin->name);
+                g_free (str);
+                g_free (str2);
+                return orig;
+            }
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_skin_color_t *
+mc_skin_color_get_from_ini_file (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gsize items_count;
+    gchar **values;
+    mc_skin_color_t *mc_skin_color, *tmp;
+
+    values = mc_config_get_string_list (mc_skin->config, group, key, &items_count);
+    if (values == NULL || values[0] == NULL)
+    {
+        g_strfreev (values);
+        return NULL;
+    }
+
+    mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
+    if (mc_skin_color == NULL)
+    {
+        g_strfreev (values);
+        return NULL;
+    }
+
+    tmp = mc_skin_color_get_with_defaults (group, "_default_");
+    mc_skin_color->fgcolor = (items_count > 0 && values[0][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[0]))) :
+        (tmp != NULL) ? g_strdup (tmp->fgcolor) : NULL;
+    mc_skin_color->bgcolor = (items_count > 1 && values[1][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[1]))) :
+        (tmp != NULL) ? g_strdup (tmp->bgcolor) : NULL;
+    mc_skin_color->attrs = (items_count > 2 && values[2][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[2]))) :
+        (tmp != NULL) ? g_strdup (tmp->attrs) : NULL;
+
+    g_strfreev (values);
+
+    mc_skin_color->pair_index =
+        tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
+                                   mc_skin_color->attrs, FALSE);
+
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_set_default_for_terminal (mc_skin_t * mc_skin)
+{
+    mc_skin_color_t *mc_skin_color;
+    mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
+    if (mc_skin_color != NULL)
+    {
+        mc_skin_color->fgcolor = g_strdup ("default");
+        mc_skin_color->bgcolor = g_strdup ("default");
+        mc_skin_color->attrs = NULL;
+        mc_skin_color->pair_index =
+            tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
+                                       mc_skin_color->attrs, FALSE);
+        mc_skin_color_add_to_hash (mc_skin, "skin", "terminal_default_color", mc_skin_color);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_cache_init (void)
+{
+    DEFAULT_COLOR = mc_skin_color_get ("skin", "terminal_default_color");
+    NORMAL_COLOR = mc_skin_color_get ("core", "_default_");
+    MARKED_COLOR = mc_skin_color_get ("core", "marked");
+    SELECTED_COLOR = mc_skin_color_get ("core", "selected");
+    MARKED_SELECTED_COLOR = mc_skin_color_get ("core", "markselect");
+    DISABLED_COLOR = mc_skin_color_get ("core", "disabled");
+    REVERSE_COLOR = mc_skin_color_get ("core", "reverse");
+    HEADER_COLOR = mc_skin_color_get ("core", "header");
+    COMMAND_MARK_COLOR = mc_skin_color_get ("core", "commandlinemark");
+    SHADOW_COLOR = mc_skin_color_get ("core", "shadow");
+
+    COLOR_NORMAL = mc_skin_color_get ("dialog", "_default_");
+    COLOR_FOCUS = mc_skin_color_get ("dialog", "dfocus");
+    COLOR_HOT_NORMAL = mc_skin_color_get ("dialog", "dhotnormal");
+    COLOR_HOT_FOCUS = mc_skin_color_get ("dialog", "dhotfocus");
+    COLOR_TITLE = mc_skin_color_get ("dialog", "dtitle");
+
+    ERROR_COLOR = mc_skin_color_get ("error", "_default_");
+    ERROR_FOCUS = mc_skin_color_get ("error", "errdfocus");
+    ERROR_HOT_NORMAL = mc_skin_color_get ("error", "errdhotnormal");
+    ERROR_HOT_FOCUS = mc_skin_color_get ("error", "errdhotfocus");
+    ERROR_TITLE = mc_skin_color_get ("error", "errdtitle");
+
+    MENU_ENTRY_COLOR = mc_skin_color_get ("menu", "_default_");
+    MENU_SELECTED_COLOR = mc_skin_color_get ("menu", "menusel");
+    MENU_HOT_COLOR = mc_skin_color_get ("menu", "menuhot");
+    MENU_HOTSEL_COLOR = mc_skin_color_get ("menu", "menuhotsel");
+    MENU_INACTIVE_COLOR = mc_skin_color_get ("menu", "menuinactive");
+
+    PMENU_ENTRY_COLOR = mc_skin_color_get ("popupmenu", "_default_");
+    PMENU_SELECTED_COLOR = mc_skin_color_get ("popupmenu", "menusel");
+    PMENU_TITLE_COLOR = mc_skin_color_get ("popupmenu", "menutitle");
+
+    BUTTONBAR_HOTKEY_COLOR = mc_skin_color_get ("buttonbar", "hotkey");
+    BUTTONBAR_BUTTON_COLOR = mc_skin_color_get ("buttonbar", "button");
+
+    STATUSBAR_COLOR = mc_skin_color_get ("statusbar", "_default_");
+
+    GAUGE_COLOR = mc_skin_color_get ("core", "gauge");
+    INPUT_COLOR = mc_skin_color_get ("core", "input");
+    INPUT_HISTORY_COLOR = mc_skin_color_get ("core", "inputhistory");
+    COMMAND_HISTORY_COLOR = mc_skin_color_get ("core", "commandhistory");
+    INPUT_MARK_COLOR = mc_skin_color_get ("core", "inputmark");
+    INPUT_UNCHANGED_COLOR = mc_skin_color_get ("core", "inputunchanged");
+
+    HELP_NORMAL_COLOR = mc_skin_color_get ("help", "_default_");
+    HELP_ITALIC_COLOR = mc_skin_color_get ("help", "helpitalic");
+    HELP_BOLD_COLOR = mc_skin_color_get ("help", "helpbold");
+    HELP_LINK_COLOR = mc_skin_color_get ("help", "helplink");
+    HELP_SLINK_COLOR = mc_skin_color_get ("help", "helpslink");
+    HELP_TITLE_COLOR = mc_skin_color_get ("help", "helptitle");
+
+    VIEW_NORMAL_COLOR = mc_skin_color_get ("viewer", "_default_");
+    VIEW_BOLD_COLOR = mc_skin_color_get ("viewer", "viewbold");
+    VIEW_UNDERLINED_COLOR = mc_skin_color_get ("viewer", "viewunderline");
+    VIEW_SELECTED_COLOR = mc_skin_color_get ("viewer", "viewselected");
+
+    EDITOR_NORMAL_COLOR = mc_skin_color_get ("editor", "_default_");
+    EDITOR_BOLD_COLOR = mc_skin_color_get ("editor", "editbold");
+    EDITOR_MARKED_COLOR = mc_skin_color_get ("editor", "editmarked");
+    EDITOR_WHITESPACE_COLOR = mc_skin_color_get ("editor", "editwhitespace");
+    EDITOR_RIGHT_MARGIN_COLOR = mc_skin_color_get ("editor", "editrightmargin");
+    LINE_STATE_COLOR = mc_skin_color_get ("editor", "editlinestate");
+    EDITOR_BACKGROUND = mc_skin_color_get ("editor", "editbg");
+    EDITOR_FRAME = mc_skin_color_get ("editor", "editframe");
+    EDITOR_FRAME_ACTIVE = mc_skin_color_get ("editor", "editframeactive");
+    EDITOR_FRAME_DRAG = mc_skin_color_get ("editor", "editframedrag");
+
+    BOOK_MARK_COLOR = mc_skin_color_get ("editor", "bookmark");
+    BOOK_MARK_FOUND_COLOR = mc_skin_color_get ("editor", "bookmarkfound");
+
+    DFF_ADD_COLOR = mc_skin_color_get ("diffviewer", "added");
+    DFF_CHG_COLOR = mc_skin_color_get ("diffviewer", "changedline");
+    DFF_CHH_COLOR = mc_skin_color_get ("diffviewer", "changednew");
+    DFF_CHD_COLOR = mc_skin_color_get ("diffviewer", "changed");
+    DFF_DEL_COLOR = mc_skin_color_get ("diffviewer", "removed");
+    DFF_ERROR_COLOR = mc_skin_color_get ("diffviewer", "error");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_color_check_inisection (const gchar * group)
+{
+    return !((strcasecmp ("skin", group) == 0) || (strcasecmp ("aliases", group) == 0)
+             || (strcasecmp ("lines", group) == 0) || (strncasecmp ("widget-", group, 7) == 0));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_check_bw_mode (mc_skin_t * mc_skin)
+{
+    gchar **groups, **orig_groups;
+
+    if (tty_use_colors () && !mc_global.tty.disable_colors)
+        return;
+
+    orig_groups = mc_config_get_groups (mc_skin->config, NULL);
+
+    for (groups = orig_groups; *groups != NULL; groups++)
+        if (mc_skin_color_check_inisection (*groups))
+            mc_config_del_group (mc_skin->config, *groups);
+
+    g_strfreev (orig_groups);
+
+    mc_skin_hardcoded_blackwhite_colors (mc_skin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_color_parse_ini_file (mc_skin_t * mc_skin)
+{
+    gboolean ret = FALSE;
+    gsize items_count;
+    gchar **groups, **orig_groups;
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color_check_bw_mode (mc_skin);
+
+    orig_groups = mc_config_get_groups (mc_skin->config, &items_count);
+    if (*orig_groups == NULL)
+        goto ret;
+
+    /* as first, need to set up default colors */
+    mc_skin_color_set_default_for_terminal (mc_skin);
+    mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, "core", "_default_");
+    if (mc_skin_color == NULL)
+        goto ret;
+
+    tty_color_set_defaults (mc_skin_color->fgcolor, mc_skin_color->bgcolor, mc_skin_color->attrs);
+    mc_skin_color_add_to_hash (mc_skin, "core", "_default_", mc_skin_color);
+
+    for (groups = orig_groups; *groups != NULL; groups++)
+    {
+        gchar **keys, **orig_keys;
+
+        if (!mc_skin_color_check_inisection (*groups))
+            continue;
+
+        orig_keys = mc_config_get_keys (mc_skin->config, *groups, NULL);
+
+        for (keys = orig_keys; *keys != NULL; keys++)
+        {
+            mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, *groups, *keys);
+            if (mc_skin_color != NULL)
+                mc_skin_color_add_to_hash (mc_skin, *groups, *keys, mc_skin_color);
+        }
+        g_strfreev (orig_keys);
+    }
+
+    mc_skin_color_cache_init ();
+
+    ret = TRUE;
+
+  ret:
+    g_strfreev (orig_groups);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_skin_color_get (const gchar * group, const gchar * name)
+{
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_with_defaults (group, name);
+
+    return (mc_skin_color != NULL) ? mc_skin_color->pair_index : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/common.c b/lib/skin/common.c
new file mode 100644
index 0000000..abcd110
--- /dev/null
+++ b/lib/skin/common.c
@@ -0,0 +1,209 @@
+/*
+   Skins engine.
+   Interface functions
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+#include "internal.h"
+#include "lib/util.h"
+
+#include "lib/tty/color.h"      /* tty_use_256colors(); */
+
+/*** global variables ****************************************************************************/
+
+mc_skin_t mc_skin__default;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean mc_skin_is_init = FALSE;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_hash_destroy_value (gpointer data)
+{
+    mc_skin_color_t *mc_skin_color = (mc_skin_color_t *) data;
+    g_free (mc_skin_color->fgcolor);
+    g_free (mc_skin_color->bgcolor);
+    g_free (mc_skin_color->attrs);
+    g_free (mc_skin_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_skin_get_default_name (void)
+{
+    char *tmp_str;
+
+    /* from command line */
+    if (mc_global.tty.skin != NULL)
+        return g_strdup (mc_global.tty.skin);
+
+    /* from envirovement variable */
+    tmp_str = getenv ("MC_SKIN");
+    if (tmp_str != NULL)
+        return g_strdup (tmp_str);
+
+    /*  from config. Or 'default' if no present in config */
+    return mc_config_get_string (mc_global.main_config, CONFIG_APP_SECTION, "skin", "default");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_reinit (void)
+{
+    mc_skin_deinit ();
+    mc_skin__default.name = mc_skin_get_default_name ();
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_try_to_load_default (void)
+{
+    mc_skin_reinit ();
+    g_free (mc_skin__default.name);
+    mc_skin__default.name = g_strdup ("default");
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_skin_reinit ();
+        mc_skin_set_hardcoded_skin (&mc_skin__default);
+    }
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_init (const gchar * skin_override, GError ** mcerror)
+{
+    gboolean is_good_init = TRUE;
+    GError *error = NULL;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    mc_skin__default.have_256_colors = FALSE;
+    mc_skin__default.have_true_colors = FALSE;
+
+    mc_skin__default.name =
+        skin_override != NULL ? g_strdup (skin_override) : mc_skin_get_default_name ();
+
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to load '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        is_good_init = FALSE;
+    }
+    mc_skin_colors_old_configure (&mc_skin__default);
+
+    if (!mc_skin_ini_file_parse (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to parse '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_true_colors && !tty_use_truecolors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with true colors support:\n%s\nDefault skin has been loaded"),
+                            mc_skin__default.name, error->message);
+        g_error_free (error);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_256_colors && !tty_use_256colors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with 256 colors support\non non-256 colors terminal.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    mc_skin_is_init = TRUE;
+    return is_good_init;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_deinit (void)
+{
+    tty_color_free_all_tmp ();
+    tty_color_free_all_non_tmp ();
+
+    MC_PTR_FREE (mc_skin__default.name);
+    g_hash_table_destroy (mc_skin__default.colors);
+    mc_skin__default.colors = NULL;
+
+    MC_PTR_FREE (mc_skin__default.description);
+
+    mc_config_deinit (mc_skin__default.config);
+    mc_skin__default.config = NULL;
+
+    mc_skin_is_init = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value)
+{
+    if (mc_global.tty.ugly_line_drawing)
+    {
+        return g_strdup (default_value);
+    }
+    return mc_config_get_string (mc_skin__default.config, group, key, default_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/hc-skins.c b/lib/skin/hc-skins.c
new file mode 100644
index 0000000..8361c08
--- /dev/null
+++ b/lib/skin/hc-skins.c
@@ -0,0 +1,146 @@
+/*
+   Skins engine.
+   Set of hardcoded skins
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define set_lines(x,y) mc_config_set_string(mc_skin->config, "Lines", x, y)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_blackwhite_colors (mc_skin_t * mc_skin)
+{
+    mc_config_set_string (mc_skin->config, "core", "_default_", "default;default");
+    mc_config_set_string (mc_skin->config, "core", "selected", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "core", "marked", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "core", "markselect", "A_BOLD_REVERSE");
+    mc_config_set_string (mc_skin->config, "core", "disabled", "default");
+    mc_config_set_string (mc_skin->config, "core", "reverse", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "dialog", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "dialog", "dfocus", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "dialog", "dhotnormal", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "dialog", "dhotfocus", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "error", "_default_", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "menu", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "menu", "menuhot", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "menu", "menusel", "default");
+    mc_config_set_string (mc_skin->config, "menu", "menuhotsel", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "menu", "menuinactive", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "popupmenu", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "popupmenu", "menusel", "default");
+    mc_config_set_string (mc_skin->config, "popupmenu", "menutitle", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "statusbar", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpitalic", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpbold", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpslink", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "viewer", "viewunderline", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "editor", "editbold", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "editor", "editmarked", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "editor", "editframeactive", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "editor", "editframedrag", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "buttonbar", "hotkey", "default");
+    mc_config_set_string (mc_skin->config, "buttonbar", "button", "A_REVERSE");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_space_lines (mc_skin_t * mc_skin)
+{
+    /* single lines */
+    set_lines ("vert", " ");
+    set_lines ("horiz", " ");
+    set_lines ("lefttop", " ");
+    set_lines ("righttop", " ");
+    set_lines ("leftbottom", " ");
+    set_lines ("rightbottom", " ");
+    set_lines ("topmiddle", " ");
+    set_lines ("bottommiddle", " ");
+    set_lines ("leftmiddle", " ");
+    set_lines ("rightmiddle", " ");
+    set_lines ("cross", " ");
+
+    set_lines ("dvert", " ");
+    set_lines ("dhoriz", " ");
+    set_lines ("dlefttop", " ");
+    set_lines ("drighttop", " ");
+    set_lines ("dleftbottom", " ");
+    set_lines ("drightbottom", " ");
+    set_lines ("dtopmiddle", " ");
+    set_lines ("dbottommiddle", " ");
+    set_lines ("dleftmiddle", " ");
+    set_lines ("drightmiddle", " ");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_ugly_lines (mc_skin_t * mc_skin)
+{
+    /* single lines */
+    set_lines ("vert", "|");
+    set_lines ("horiz", "-");
+    set_lines ("lefttop", "+");
+    set_lines ("righttop", "+");
+    set_lines ("leftbottom", "+");
+    set_lines ("rightbottom", "+");
+    set_lines ("topmiddle", "-");
+    set_lines ("bottommiddle", "-");
+    set_lines ("leftmiddle", "|");
+    set_lines ("rightmiddle", "|");
+    set_lines ("cross", "+");
+
+    /* double lines */
+    set_lines ("dvert", "|");
+    set_lines ("dhoriz", "-");
+    set_lines ("dlefttop", "+");
+    set_lines ("drighttop", "+");
+    set_lines ("dleftbottom", "+");
+    set_lines ("drightbottom", "+");
+    set_lines ("dtopmiddle", "-");
+    set_lines ("dbottommiddle", "-");
+    set_lines ("dleftmiddle", "|");
+    set_lines ("drightmiddle", "|");
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/ini-file.c b/lib/skin/ini-file.c
new file mode 100644
index 0000000..86079f5
--- /dev/null
+++ b/lib/skin/ini-file.c
@@ -0,0 +1,208 @@
+/*
+   Skins engine.
+   Reading and parse ini-files
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+
+#include "lib/global.h"         /* <glib.h> */
+
+#include "internal.h"
+#include "lib/fileloc.h"
+#include "lib/util.h"           /* exist_file() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_get_list_from_dir (const gchar * base_dir, GPtrArray * list)
+{
+    gchar *name;
+    GDir *dir;
+
+    name = g_build_filename (base_dir, MC_SKINS_DIR, (char *) NULL);
+    dir = g_dir_open (name, 0, NULL);
+    g_free (name);
+
+    if (dir != NULL)
+    {
+        const gchar *cname;
+
+        while ((cname = g_dir_read_name (dir)) != NULL)
+        {
+            gchar *sname;
+            size_t slen;
+            unsigned int i;
+
+            slen = strlen (cname);
+            sname = g_strndup (cname, slen);
+
+            if (slen > 4 && strcmp (sname + slen - 4, ".ini") == 0)
+                sname[slen - 4] = '\0';
+
+            for (i = 0; i < list->len; i++)
+                if (strcmp (sname, g_ptr_array_index (list, i)) == 0)
+                    break;
+
+            if (i < list->len)
+                g_free (sname);
+            else
+                g_ptr_array_add (list, sname);
+        }
+
+        g_dir_close (dir);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+string_array_comparator (gconstpointer a, gconstpointer b)
+{
+    return strcmp (*(char *const *) a, *(char *const *) b);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_ini_file_load_search_in_dir (mc_skin_t * mc_skin, const gchar * base_dir)
+{
+    char *file_name, *file_name2;
+
+    file_name = g_build_filename (base_dir, MC_SKINS_DIR, mc_skin->name, (char *) NULL);
+    if (exist_file (file_name))
+    {
+        mc_skin->config = mc_config_init (file_name, TRUE);
+        g_free (file_name);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+
+    file_name2 = g_strdup_printf ("%s.ini", mc_skin->name);
+    file_name = g_build_filename (base_dir, MC_SKINS_DIR, file_name2, (char *) NULL);
+    g_free (file_name2);
+
+    if (exist_file (file_name))
+    {
+        mc_skin->config = mc_config_init (file_name, TRUE);
+        g_free (file_name);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+GPtrArray *
+mc_skin_list (void)
+{
+    GPtrArray *list;
+
+    list = g_ptr_array_new ();
+    mc_skin_get_list_from_dir (mc_config_get_data_path (), list);
+    mc_skin_get_list_from_dir (mc_global.sysconfig_dir, list);
+    mc_skin_get_list_from_dir (mc_global.share_data_dir, list);
+    g_ptr_array_sort (list, (GCompareFunc) string_array_comparator);
+
+    return list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_ini_file_load (mc_skin_t * mc_skin)
+{
+    char *file_name;
+
+    file_name = g_path_get_basename (mc_skin->name);
+    if (file_name == NULL)
+        return FALSE;
+
+    if (strcmp (file_name, mc_skin->name) != 0)
+    {
+        g_free (file_name);
+        if (!g_path_is_absolute (mc_skin->name))
+            return FALSE;
+        mc_skin->config = mc_config_init (mc_skin->name, TRUE);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+
+    /* ${XDG_DATA_HOME}/mc/skins/ */
+    if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_config_get_data_path ()))
+        return TRUE;
+
+    /* /etc/mc/skins/ */
+    if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.sysconfig_dir))
+        return TRUE;
+
+    /* /usr/share/mc/skins/ */
+    return mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.share_data_dir);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_ini_file_parse (mc_skin_t * mc_skin)
+{
+    mc_skin->description =
+        mc_config_get_string (mc_skin->config, "skin", "description", "- no description -");
+    if (!mc_skin_color_parse_ini_file (mc_skin))
+        return FALSE;
+
+    mc_skin_lines_parse_ini_file (mc_skin);
+    mc_skin->have_256_colors = mc_config_get_bool (mc_skin->config, "skin", "256colors", FALSE);
+    mc_skin->have_true_colors = mc_config_get_bool (mc_skin->config, "skin", "truecolors", FALSE);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_set_hardcoded_skin (mc_skin_t * mc_skin)
+{
+    mc_skin->config = mc_config_init (NULL, TRUE);
+
+    mc_config_set_string (mc_skin->config, "skin", "description", "hardcoded skin");
+
+    mc_skin_hardcoded_ugly_lines (mc_skin);
+    mc_skin_hardcoded_blackwhite_colors (mc_skin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/internal.h b/lib/skin/internal.h
new file mode 100644
index 0000000..8b468db
--- /dev/null
+++ b/lib/skin/internal.h
@@ -0,0 +1,40 @@
+#ifndef MC__SKIN_INTERNAL_H
+#define MC__SKIN_INTERNAL_H
+
+#include "lib/global.h"
+#include "lib/skin.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_skin_color_struct
+{
+    gchar *fgcolor;
+    gchar *bgcolor;
+    gchar *attrs;
+    int pair_index;
+} mc_skin_color_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+gboolean mc_skin_ini_file_load (mc_skin_t * mc_skin);
+gboolean mc_skin_ini_file_parse (mc_skin_t * mc_skin);
+void mc_skin_set_hardcoded_skin (mc_skin_t * mc_skin);
+
+gboolean mc_skin_ini_file_parse_colors (mc_skin_t * mc_skin);
+gboolean mc_skin_color_parse_ini_file (mc_skin_t * mc_skin);
+
+void mc_skin_hardcoded_ugly_lines (mc_skin_t * mc_skin);
+void mc_skin_hardcoded_space_lines (mc_skin_t * mc_skin);
+void mc_skin_hardcoded_blackwhite_colors (mc_skin_t * mc_skin);
+
+void mc_skin_colors_old_configure (mc_skin_t * mc_skin);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__SKIN_INTERNAL_H */
diff --git a/lib/skin/lines.c b/lib/skin/lines.c
new file mode 100644
index 0000000..f942cc6
--- /dev/null
+++ b/lib/skin/lines.c
@@ -0,0 +1,94 @@
+/*
+   Skins engine.
+   Work with line draving chars.
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+#include "internal.h"
+#include "lib/tty/tty.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static int
+mc_skin_lines_load_frm (mc_skin_t * mc_skin, const char *name)
+{
+    int ret;
+    char *frm_val;
+
+    frm_val = mc_config_get_string_raw (mc_skin->config, "Lines", name, " ");
+    ret = mc_tty_normalize_lines_char (frm_val);
+    g_free (frm_val);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_lines_parse_ini_file (mc_skin_t * mc_skin)
+{
+    if (mc_global.tty.slow_terminal)
+        mc_skin_hardcoded_space_lines (mc_skin);
+    else if (mc_global.tty.ugly_line_drawing)
+        mc_skin_hardcoded_ugly_lines (mc_skin);
+
+    /* single lines */
+    mc_tty_frm[MC_TTY_FRM_VERT] = mc_skin_lines_load_frm (mc_skin, "vert");
+    mc_tty_frm[MC_TTY_FRM_HORIZ] = mc_skin_lines_load_frm (mc_skin, "horiz");
+    mc_tty_frm[MC_TTY_FRM_LEFTTOP] = mc_skin_lines_load_frm (mc_skin, "lefttop");
+    mc_tty_frm[MC_TTY_FRM_RIGHTTOP] = mc_skin_lines_load_frm (mc_skin, "righttop");
+    mc_tty_frm[MC_TTY_FRM_LEFTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "leftbottom");
+    mc_tty_frm[MC_TTY_FRM_RIGHTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "rightbottom");
+    mc_tty_frm[MC_TTY_FRM_TOPMIDDLE] = mc_skin_lines_load_frm (mc_skin, "topmiddle");
+    mc_tty_frm[MC_TTY_FRM_BOTTOMMIDDLE] = mc_skin_lines_load_frm (mc_skin, "bottommiddle");
+    mc_tty_frm[MC_TTY_FRM_LEFTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "leftmiddle");
+    mc_tty_frm[MC_TTY_FRM_RIGHTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "rightmiddle");
+    mc_tty_frm[MC_TTY_FRM_CROSS] = mc_skin_lines_load_frm (mc_skin, "cross");
+
+    /* double lines */
+    mc_tty_frm[MC_TTY_FRM_DVERT] = mc_skin_lines_load_frm (mc_skin, "dvert");
+    mc_tty_frm[MC_TTY_FRM_DHORIZ] = mc_skin_lines_load_frm (mc_skin, "dhoriz");
+    mc_tty_frm[MC_TTY_FRM_DLEFTTOP] = mc_skin_lines_load_frm (mc_skin, "dlefttop");
+    mc_tty_frm[MC_TTY_FRM_DRIGHTTOP] = mc_skin_lines_load_frm (mc_skin, "drighttop");
+    mc_tty_frm[MC_TTY_FRM_DLEFTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "dleftbottom");
+    mc_tty_frm[MC_TTY_FRM_DRIGHTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "drightbottom");
+    mc_tty_frm[MC_TTY_FRM_DTOPMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dtopmiddle");
+    mc_tty_frm[MC_TTY_FRM_DBOTTOMMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dbottommiddle");
+    mc_tty_frm[MC_TTY_FRM_DLEFTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dleftmiddle");
+    mc_tty_frm[MC_TTY_FRM_DRIGHTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "drightmiddle");
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/stat-size.h b/lib/stat-size.h
new file mode 100644
index 0000000..cc8ec12
--- /dev/null
+++ b/lib/stat-size.h
@@ -0,0 +1,99 @@
+/* macros useful in interpreting size-related values in struct stat.
+   Copyright (C) 1989, 1991-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* *INDENT-OFF* */
+/*
+   Macros defined by this file (s is an rvalue of type struct stat):
+
+   DEV_BSIZE:       The device blocksize.  But use ST_NBLOCKSIZE instead.
+   ST_BLKSIZE(s):   Preferred (in the sense of best performance) I/O blocksize
+                    for the file, in bytes.
+   ST_NBLOCKS(s):   Number of blocks in the file, including indirect blocks.
+   ST_NBLOCKSIZE:   Size of blocks used when calculating ST_NBLOCKS.
+ */
+/* *INDENT-ON* */
+
+#ifndef STAT_SIZE_H
+#define STAT_SIZE_H
+
+/* sys/param.h may define DEV_BSIZE */
+#if HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+
+/* Get or fake the disk device blocksize.
+   Usually defined by sys/param.h (if at all).  */
+#if !defined DEV_BSIZE && defined BSIZE
+#define DEV_BSIZE BSIZE
+#endif
+#if !defined DEV_BSIZE && defined BBSIZE        /* SGI sys/param.h */
+#define DEV_BSIZE BBSIZE
+#endif
+#ifndef DEV_BSIZE
+#define DEV_BSIZE 4096
+#endif
+
+
+
+/* Extract or fake data from a 'struct stat'.
+   ST_BLKSIZE: Preferred I/O blocksize for the file, in bytes.
+   ST_NBLOCKS: Number of blocks in the file, including indirect blocks.
+   ST_NBLOCKSIZE: Size of blocks used when calculating ST_NBLOCKS.  */
+#ifndef HAVE_STRUCT_STAT_ST_BLOCKS
+#define ST_BLKSIZE(statbuf) DEV_BSIZE
+  /* coreutils' fileblocks.c also uses BSIZE.  */
+#if defined _POSIX_SOURCE || !defined BSIZE
+#define ST_NBLOCKS(statbuf) \
+  ((statbuf).st_size / ST_NBLOCKSIZE + ((statbuf).st_size % ST_NBLOCKSIZE != 0))
+#else
+   /* This definition calls st_blocks, which is in the fileblocks module. */
+#define ST_NBLOCKS(statbuf) \
+  (S_ISREG ((statbuf).st_mode) || S_ISDIR ((statbuf).st_mode) ? \
+   st_blocks ((statbuf).st_size) : 0)
+#endif
+#else
+/* When running 'rsh hpux11-system cat any-file', cat would
+   determine that the output stream had an st_blksize of 2147421096.
+   Conversely st_blksize can be 2 GiB (or maybe even larger) with XFS
+   on 64-bit hosts.  Somewhat arbitrarily, limit the "optimal" block
+   size to SIZE_MAX / 8 + 1.  (Dividing SIZE_MAX by only 4 wouldn't
+   suffice, since "cat" sometimes multiplies the result by 4.)  If
+   anyone knows of a system for which this limit is too small, please
+   report it as a bug in this code.  */
+#define ST_BLKSIZE(statbuf) ((0 < (statbuf).st_blksize \
+                               && (size_t) ((statbuf).st_blksize) <= ((size_t)-1) / 8 + 1) \
+                              ? (size_t) ((statbuf).st_blksize) : DEV_BSIZE)
+#if defined hpux || defined __hpux__ || defined __hpux
+  /* HP-UX counts st_blocks in 1024-byte units.
+     This loses when mixing HP-UX and BSD file systems with NFS.  */
+#define ST_NBLOCKSIZE 1024
+#endif
+#endif
+
+#ifndef ST_NBLOCKS
+#define ST_NBLOCKS(statbuf) ((statbuf).st_blocks)
+#endif
+
+#ifndef ST_NBLOCKSIZE
+#ifdef S_BLKSIZE
+#define ST_NBLOCKSIZE S_BLKSIZE
+#else
+#define ST_NBLOCKSIZE 512
+#endif
+#endif
+
+#endif /* STAT_SIZE_H */
diff --git a/lib/strescape.h b/lib/strescape.h
new file mode 100644
index 0000000..a24f5d6
--- /dev/null
+++ b/lib/strescape.h
@@ -0,0 +1,33 @@
+#ifndef MC__STRUTILS_ESCAPE_H
+#define MC__STRUTILS_ESCAPE_H
+
+#include <config.h>
+
+#include "lib/global.h"         /* <glib.h> */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+char *strutils_escape (const char *src, gsize src_len, const char *escaped_chars,
+                       gboolean escape_non_printable);
+char *strutils_unescape (const char *src, gsize src_len, const char *unescaped_chars,
+                         gboolean unescape_non_printable);
+char *strutils_shell_unescape (const char *text);
+char *strutils_shell_escape (const char *text);
+
+char *strutils_glob_escape (const char *text);
+char *strutils_glob_unescape (const char *text);
+
+char *strutils_regex_escape (const char *text);
+char *strutils_regex_unescape (const char *text);
+
+gboolean strutils_is_char_escaped (const char *start, const char *current);
+
+#endif /* MC__STRUTILS_ESCAPE_H */
diff --git a/lib/strutil.h b/lib/strutil.h
new file mode 100644
index 0000000..e1ac193
--- /dev/null
+++ b/lib/strutil.h
@@ -0,0 +1,661 @@
+#ifndef MC_STRUTIL_H
+#define MC_STRUTIL_H
+
+#include "lib/global.h"         /* include glib.h */
+
+#include <sys/types.h>
+#include <inttypes.h>
+#include <string.h>
+
+/* Header file for strutil.c, strutilascii.c, strutil8bit.c, strutilutf8.c.
+ * There are two sort of functions:
+ * 1. functions for working with growing strings and conversion strings between
+ *    different encodings.
+ *    (implemented directly in strutil.c)
+ * 2. functions, that hide differences between encodings derived from ASCII.
+ *    (implemented separately in strutilascii.c, strutil8bit.c, strutilutf8.c)
+ * documentation is made for UTF-8 version of functions.
+ */
+
+/* invalid strings
+ * function, that works with invalid strings are marked with "I" 
+ * in documentation
+ * invalid bytes of string are handled as one byte characters with width 1, they
+ * are displayed as questionmarks, I-maked comparing functions try to keep 
+ * the original value of these bytes.
+ */
+
+/* combining characters
+ * displaynig: all handled as zero with characters, expect combing character 
+ * at the begin of string, this character has with one (space add before), 
+ * so str_term_width is not good for computing width of singles characters 
+ * (never return zero, expect emtpy string)
+ * for compatibility are strings composed before displaynig
+ * comparing: comparing decompose all string before comparing, n-compare 
+ * functions do not work as is usual, because same strings do not have to be 
+ * same length in UTF-8. So they return 0 if one string is prefix of the other 
+ * one. 
+ * str_prefix is used to determine, how many characters from one string are 
+ * prefix in second string. However, str_prefix return number of characters in
+ * decompose form. (used in do_search (screen.c))
+ */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define IS_FIT(x) ((x) & 0x0010)
+#define MAKE_FIT(x) ((x) | 0x0010)
+#define HIDE_FIT(x) ((x) & 0x000f)
+
+#define INVALID_CONV ((GIConv) (-1))
+
+/*** enums ***************************************************************************************/
+
+/* results of conversion function
+ */
+typedef enum
+{
+    /* success means, that convertion has been finished successully
+     */
+    ESTR_SUCCESS = 0,
+    /* problem means, that not every characters was successfully converted (They are
+     * replaced with questionmark). So is impossible convert string back. 
+     */
+    ESTR_PROBLEM = 1,
+    /* failure means, that conversion is not possible (example: wrong encoding 
+     * of input string)
+     */
+    ESTR_FAILURE = 2
+} estr_t;
+
+/* alignment strings on terminal
+ */
+typedef enum
+{
+    J_LEFT = 0x01,
+    J_RIGHT = 0x02,
+    J_CENTER = 0x03,
+    /* if there is enough space for string on terminal,
+     * string is centered otherwise is aligned to left */
+    J_CENTER_LEFT = 0x04,
+    /* fit alignment, if string is to long, is truncated with '~' */
+    J_LEFT_FIT = 0x11,
+    J_RIGHT_FIT = 0x12,
+    J_CENTER_FIT = 0x13,
+    J_CENTER_LEFT_FIT = 0x14
+} align_crt_t;
+
+/* string-to-integer parsing results
+ */
+typedef enum
+{
+    LONGINT_OK = 0,
+
+    /* These two values can be ORed together, to indicate that both errors occurred. */
+    LONGINT_OVERFLOW = 1,
+    LONGINT_INVALID_SUFFIX_CHAR = 2,
+
+    LONGINT_INVALID_SUFFIX_CHAR_WITH_OVERFLOW = (LONGINT_INVALID_SUFFIX_CHAR | LONGINT_OVERFLOW),
+    LONGINT_INVALID = 4
+} strtol_error_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* all functions in str_class must be defined for every encoding */
+struct str_class
+{
+    /* *INDENT-OFF* */
+    gchar *(*conv_gerror_message) (GError * error, const char *def_msg);
+      /*I*/ estr_t (*vfs_convert_to) (GIConv coder, const char *string, int size, GString * buffer);
+      /*I*/ void (*insert_replace_char) (GString * buffer);
+    gboolean (*is_valid_string) (const char *text);
+      /*I*/ int (*is_valid_char) (const char *ch, size_t size);
+      /*I*/ void (*cnext_char) (const char **text);
+    void (*cprev_char) (const char **text);
+    void (*cnext_char_safe) (const char **text);
+      /*I*/ void (*cprev_char_safe) (const char **text);
+      /*I*/ int (*cnext_noncomb_char) (const char **text);
+      /*I*/ int (*cprev_noncomb_char) (const char **text, const char *begin);
+      /*I*/ gboolean (*char_isspace) (const char *ch);
+      /*I*/ gboolean (*char_ispunct) (const char *ch);
+      /*I*/ gboolean (*char_isalnum) (const char *ch);
+      /*I*/ gboolean (*char_isdigit) (const char *ch);
+      /*I*/ gboolean (*char_isprint) (const char *ch);
+      /*I*/ gboolean (*char_iscombiningmark) (const char *ch);
+      /*I*/ int (*length) (const char *text);
+      /*I*/ int (*length2) (const char *text, int size);
+      /*I*/ int (*length_noncomb) (const char *text);
+      /*I*/ gboolean (*char_toupper) (const char *ch, char **out, size_t * remain);
+    gboolean (*char_tolower) (const char *ch, char **out, size_t * remain);
+    void (*fix_string) (char *text);
+      /*I*/ const char *(*term_form) (const char *text);
+      /*I*/ const char *(*fit_to_term) (const char *text, int width, align_crt_t just_mode);
+      /*I*/ const char *(*term_trim) (const char *text, int width);
+      /*I*/ const char *(*term_substring) (const char *text, int start, int width);
+      /*I*/ int (*term_width1) (const char *text);
+      /*I*/ int (*term_width2) (const char *text, size_t length);
+      /*I*/ int (*term_char_width) (const char *length);
+      /*I*/ const char *(*trunc) (const char *length, int width);
+      /*I*/ int (*offset_to_pos) (const char *text, size_t length);
+      /*I*/ int (*column_to_pos) (const char *text, size_t pos);
+      /*I*/ char *(*create_search_needle) (const char *needle, gboolean case_sen);
+    void (*release_search_needle) (char *needle, gboolean case_sen);
+    const char *(*search_first) (const char *text, const char *needle, gboolean case_sen);
+    const char *(*search_last) (const char *text, const char *needle, gboolean case_sen);
+    int (*compare) (const char *t1, const char *t2);
+      /*I*/ int (*ncompare) (const char *t1, const char *t2);
+      /*I*/ int (*casecmp) (const char *t1, const char *t2);
+      /*I*/ int (*ncasecmp) (const char *t1, const char *t2);
+      /*I*/ int (*prefix) (const char *text, const char *prefix);
+      /*I*/ int (*caseprefix) (const char *text, const char *prefix);
+      /*I*/ char *(*create_key) (const char *text, gboolean case_sen);
+      /*I*/ char *(*create_key_for_filename) (const char *text, gboolean case_sen);
+      /*I*/ int (*key_collate) (const char *t1, const char *t2, gboolean case_sen);
+      /*I*/ void (*release_key) (char *key, gboolean case_sen);
+    /* *INDENT-ON* */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/* standard convertors */
+extern GIConv str_cnv_to_term;
+extern GIConv str_cnv_from_term;
+/* from terminal encoding to terminal encoding */
+extern GIConv str_cnv_not_convert;
+
+/*** declarations of public functions ************************************************************/
+
+struct str_class str_utf8_init (void);
+struct str_class str_8bit_init (void);
+struct str_class str_ascii_init (void);
+
+/* create convertor from "from_enc" to terminal encoding
+ * if "from_enc" is not supported return INVALID_CONV 
+ */
+GIConv str_crt_conv_from (const char *from_enc);
+
+/* create convertor from terminal encoding to "to_enc"
+ * if "to_enc" is not supported return INVALID_CONV 
+ */
+GIConv str_crt_conv_to (const char *to_enc);
+
+/* close convertor, do not close str_cnv_to_term, str_cnv_from_term, 
+ * str_cnv_not_convert 
+ */
+void str_close_conv (GIConv conv);
+
+/* return on of not used buffers (.used == 0) or create new
+ * returned buffer has set .used to 1
+ */
+
+/* convert string using coder, result of conversion is appended at end of buffer
+ * return ESTR_SUCCESS if there was no problem.
+ * otherwise return  ESTR_PROBLEM or ESTR_FAILURE
+ */
+estr_t str_convert (GIConv coder, const char *string, GString * buffer);
+estr_t str_nconvert (GIConv coder, const char *string, int size, GString * buffer);
+
+/* convert GError message (which in UTF-8) to terminal charset
+ * def_char is used if result of error->str conversion if ESTR_FAILURE
+ * return new allocated null-terminated string, which is need to be freed
+ * I
+ */
+gchar *str_conv_gerror_message (GError * error, const char *def_msg);
+
+/* return only ESTR_SUCCESS or ESTR_FAILURE, because vfs must be able to convert
+ * result to original string. (so no replace with questionmark)
+ * if coder is str_cnv_from_term or str_cnv_not_convert, string is only copied,
+ * so is possible to show file, that is not valid in terminal encoding
+ */
+estr_t str_vfs_convert_from (GIConv coder, const char *string, GString * buffer);
+
+/* if coder is str_cnv_to_term or str_cnv_not_convert, string is only copied,
+ * does replace with questionmark 
+ * I
+ */
+estr_t str_vfs_convert_to (GIConv coder, const char *string, int size, GString * buffer);
+
+/* printf function for str_buffer, append result of printf at the end of buffer
+ */
+/* *INDENT-OFF* */
+void str_printf (GString * buffer, const char *format, ...) G_GNUC_PRINTF (2, 3);
+/* *INDENT-ON* */
+
+/* add standard replacement character in terminal encoding
+ */
+void str_insert_replace_char (GString * buffer);
+
+/* init strings and set terminal encoding,
+ * if is termenc NULL, detect terminal encoding
+ * create all str_cnv_* and set functions for terminal encoding
+ */
+void str_init_strings (const char *termenc);
+
+/* free all str_buffer and all str_cnv_*
+ */
+void str_uninit_strings (void);
+
+/* try convert characters in ch to output using conv
+ * ch_size is size of ch, can by (size_t)(-1) (-1 only for ASCII 
+ *     compatible encoding, for other must be set)
+ * return ESTR_SUCCESS if conversion was successfully,
+ * ESTR_PROBLEM if ch contains only part of characters,
+ * ESTR_FAILURE if conversion is not possible
+ */
+estr_t str_translate_char (GIConv conv, const char *ch, size_t ch_size,
+                           char *output, size_t out_size);
+
+/* test, if text is valid in terminal encoding
+ * I
+ */
+gboolean str_is_valid_string (const char *text);
+
+/* test, if first char of ch is valid
+ * size, how many bytes characters occupied, could be (size_t)(-1)
+ * return 1 if it is valid, -1 if it is invalid or -2 if it is only part of 
+ * multibyte character 
+ * I
+ */
+int str_is_valid_char (const char *ch, size_t size);
+
+/* return next characters after text, do not call on the end of string
+ */
+char *str_get_next_char (char *text);
+const char *str_cget_next_char (const char *text);
+
+/* return previous characters before text, do not call on the start of strings
+ */
+char *str_get_prev_char (char *text);
+const char *str_cget_prev_char (const char *text);
+
+/* set text to next characters, do not call on the end of string
+ */
+void str_next_char (char **text);
+void str_cnext_char (const char **text);
+
+/* set text to previous characters, do not call on the start of strings
+ */
+void str_prev_char (char **text);
+void str_cprev_char (const char **text);
+
+/* return next characters after text, do not call on the end of string
+ * works with invalid string 
+ * I
+ */
+char *str_get_next_char_safe (char *text);
+const char *str_cget_next_char_safe (const char *text);
+
+/* return previous characters before text, do not call on the start of strings
+ * works with invalid string 
+ * I
+ */
+char *str_get_prev_char_safe (char *text);
+const char *str_cget_prev_char_safe (const char *text);
+
+/* set text to next characters, do not call on the end of string
+ * works with invalid string 
+ * I
+ */
+void str_next_char_safe (char **text);
+void str_cnext_char_safe (const char **text);
+
+/* set text to previous characters, do not call on the start of strings
+ * works with invalid string 
+ * I
+ */
+void str_prev_char_safe (char **text);
+void str_cprev_char_safe (const char **text);
+
+/* set text to next noncombining characters, check the end of text
+ * return how many characters was skipped
+ * works with invalid string 
+ * I
+ */
+int str_next_noncomb_char (char **text);
+int str_cnext_noncomb_char (const char **text);
+
+/* set text to previous noncombining characters, search stop at begin 
+ * return how many characters was skipped
+ * works with invalid string 
+ * I
+ */
+int str_prev_noncomb_char (char **text, const char *begin);
+int str_cprev_noncomb_char (const char **text, const char *begin);
+
+/* if first characters in ch is space, tabulator  or new lines
+ * I
+ */
+gboolean str_isspace (const char *ch);
+
+/* if first characters in ch is punctuation or symbol
+ * I
+ */
+gboolean str_ispunct (const char *ch);
+
+/* if first characters in ch is alphanum
+ * I
+ */
+gboolean str_isalnum (const char *ch);
+
+/* if first characters in ch is digit
+ * I
+ */
+gboolean str_isdigit (const char *ch);
+
+/* if first characters in ch is printable
+ * I
+ */
+gboolean str_isprint (const char *ch);
+
+/* if first characters in ch is a combining mark (only in utf-8)
+ * combining makrs are assumed to be zero width 
+ * I
+ */
+gboolean str_iscombiningmark (const char *ch);
+
+/* write lower from of fisrt characters in ch into out
+ * decrase remain by size of returned characters
+ * if out is not big enough, do nothing
+ */
+gboolean str_toupper (const char *ch, char **out, size_t * remain);
+
+/* write upper from of fisrt characters in ch into out
+ * decrase remain by size of returned characters
+ * if out is not big enough, do nothing
+ */
+gboolean str_tolower (const char *ch, char **out, size_t * remain);
+
+/* return length of text in characters
+ * I
+ */
+int str_length (const char *text);
+
+/* return length of text in characters, limit to size
+ * I
+ */
+int str_length2 (const char *text, int size);
+
+/* return length of one char
+ * I
+ */
+int str_length_char (const char *text);
+
+/* return length of text in characters, count only noncombining characters
+ * I
+ */
+int str_length_noncomb (const char *text);
+
+/* replace all invalid characters in text with questionmark
+ * after return, text is valid string in terminal encoding
+ * I
+ */
+void str_fix_string (char *text);
+
+/* replace all invalid characters in text with questionmark
+ * replace all unprintable characters with '.'
+ * return static allocated string, "text" is not changed
+ * returned string do not need to be freed
+ * I
+ */
+const char *str_term_form (const char *text);
+
+/* like str_term_form, but text can be alignment to width
+ * alignment is specified in just_mode (J_LEFT, J_LEFT_FIT, ...)
+ * result is completed with spaces to width
+ * I
+ */
+const char *str_fit_to_term (const char *text, int width, align_crt_t just_mode);
+
+/* like str_term_form, but when text is wider than width, three dots are
+ * inserted at begin and result is completed with suffix of text
+ * no additional spaces are inserted
+ * I
+ */
+const char *str_term_trim (const char *text, int width);
+
+
+/* like str_term_form, but return only specified substring
+ * start - column (position) on terminal, where substring begin
+ * result is completed with spaces to width
+ * I
+ */
+const char *str_term_substring (const char *text, int start, int width);
+
+/* return width, that will be text occupied on terminal
+ * I
+ */
+int str_term_width1 (const char *text);
+
+/* return width, that will be text occupied on terminal
+ * text is limited by length in characters
+ * I
+ */
+int str_term_width2 (const char *text, size_t length);
+
+/* return width, that will be character occupied on terminal
+ * combining characters are always zero width
+ * I
+ */
+int str_term_char_width (const char *text);
+
+/* convert position in characters to position in bytes 
+ * I
+ */
+int str_offset_to_pos (const char *text, size_t length);
+
+/* convert position on terminal to position in characters
+ * I
+ */
+int str_column_to_pos (const char *text, size_t pos);
+
+/* like str_fit_to_term width just_mode = J_LEFT_FIT, 
+ * but do not insert additional spaces
+ * I
+ */
+const char *str_trunc (const char *text, int width);
+
+/* create needle, that will be searched in str_search_fist/last,
+ * so needle can be reused
+ * in UTF-8 return normalized form of needle
+ */
+char *str_create_search_needle (const char *needle, gboolean case_sen);
+
+/* free needle returned by str_create_search_needle
+ */
+void str_release_search_needle (char *needle, gboolean case_sen);
+
+/* search for first occurrence of search in text
+ */
+const char *str_search_first (const char *text, const char *needle, gboolean case_sen);
+
+/* search for last occurrence of search in text
+ */
+const char *str_search_last (const char *text, const char *needle, gboolean case_sen);
+
+/* case sensitive compare two strings
+ * I
+ */
+int str_compare (const char *t1, const char *t2);
+
+/* case sensitive compare two strings
+ * if one string is prefix of the other string, return 0
+ * I
+ */
+int str_ncompare (const char *t1, const char *t2);
+
+/* case insensitive compare two strings
+ * I
+ */
+int str_casecmp (const char *t1, const char *t2);
+
+/* case insensitive compare two strings
+ * if one string is prefix of the other string, return 0
+ * I
+ */
+int str_ncasecmp (const char *t1, const char *t2);
+
+/* return, how many bytes are are same from start in text and prefix
+ * both strings are decomposed before comparing and return value is counted
+ * in decomposed form, too. calling with prefix, prefix, you get size in bytes
+ * of prefix in decomposed form,
+ * I
+ */
+int str_prefix (const char *text, const char *prefix);
+
+/* case insensitive version of str_prefix
+ * I
+ */
+int str_caseprefix (const char *text, const char *prefix);
+
+/* create a key that is used by str_key_collate
+ * I
+ */
+char *str_create_key (const char *text, gboolean case_sen);
+
+/* create a key that is used by str_key_collate
+ * should aware dot '.' in text
+ * I
+ */
+char *str_create_key_for_filename (const char *text, gboolean case_sen);
+
+/* compare two string using LC_COLLATE, if is possible
+ * if case_sen is set, comparing is case sensitive,
+ * case_sen must be same for str_create_key, str_key_collate and str_release_key
+ * I
+ */
+int str_key_collate (const char *t1, const char *t2, gboolean case_sen);
+
+/* release_key created by str_create_key, only rigth way to release key
+ * I
+ */
+void str_release_key (char *key, gboolean case_sen);
+
+/* return TRUE if codeset_name is utf8 or utf-8
+ * I
+ */
+gboolean str_isutf8 (const char *codeset_name);
+
+const char *str_detect_termencoding (void);
+
+int str_verscmp (const char *s1, const char *s2);
+
+/* Compare version strings:
+
+   Compare strings a and b as file names containing version numbers, and return an integer
+   that is negative, zero, or positive depending on whether a compares less than, equal to,
+   or greater than b.
+
+   Use the following version sort algorithm:
+
+   1. Compare the strings' maximal-length non-digit prefixes lexically.
+   If there is a difference return that difference.
+   Otherwise discard the prefixes and continue with the next step.
+
+   2. Compare the strings' maximal-length digit prefixes, using numeric comparison
+   of the numbers represented by each prefix. (Treat an empty prefix as zero; this can
+   happen only at string end.)
+   If there is a difference, return that difference.
+   Otherwise discard the prefixes and continue with the next step.
+
+   3. If both strings are empty, return 0.  Otherwise continue with step 1.
+
+   In version sort, lexical comparison is left to right, byte by byte, using the byte's numeric
+   value (0-255), except that:
+
+   1. ASCII letters sort before other bytes.
+   2. A tilde sorts before anything, even an empty string.
+
+   In addition to the version sort rules, the following strings have special priority and sort
+   before all other strings (listed in order):
+
+   1. The empty string.
+   2. ".".
+   3. "..".
+   4. Strings starting with "." sort before other strings.
+
+   Before comparing two strings where both begin with non-".", or where both begin with "."
+   but neither is "." or "..", suffixes matching the C-locale extended regular expression
+   (\.[A-Za-z~][A-Za-z0-9~]*)*$ are removed and the strings compared without them, using version sort
+   without special priority; if they do not compare equal, this comparison result is used and
+   the suffixes are effectively ignored. Otherwise, the entire strings are compared using version sort.
+   When removing a suffix from a nonempty string, remove the maximal-length suffix such that
+   the remaining string is nonempty.
+ */
+int filevercmp (const char *a, const char *b);
+
+/* Like filevercmp, except compare the byte arrays a (of length alen) and b (of length blen)
+   so that a and b can contain '\0', which sorts just before '\1'. But if alen is -1 treat
+   a as a string terminated by '\0', and similarly for blen.
+ */
+int filenvercmp (char const *a, ssize_t alen, char const *b, ssize_t blen);
+
+
+/* return how many lines and columns will text occupy on terminal
+ */
+void str_msg_term_size (const char *text, int *lines, int *columns);
+
+/**
+ * skip first needle's in haystack
+ *
+ * @param haystack pointer to string
+ * @param needle pointer to string
+ * @param skip_count skip first bytes
+ *
+ * @return pointer to skip_count+1 needle (or NULL if not found).
+ */
+
+char *strrstr_skip_count (const char *haystack, const char *needle, size_t skip_count);
+
+char *str_replace_all (const char *haystack, const char *needle, const char *replacement);
+
+strtol_error_t xstrtoumax (const char *s, char **ptr, int base, uintmax_t * val,
+                           const char *valid_suffixes);
+uintmax_t parse_integer (const char *str, gboolean * invalid);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+str_replace (char *s, char from, char to)
+{
+    for (; *s != '\0'; s++)
+    {
+        if (*s == from)
+            *s = to;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * strcpy is unsafe on overlapping memory areas, so define memmove-alike
+ * string function.
+ * Have sense only when:
+ *  * dest <= src
+ *   AND
+ *  * dest and str are pointers to one object (as Roland Illig pointed).
+ *
+ * We can't use str*cpy funs here:
+ * http://kerneltrap.org/mailarchive/openbsd-misc/2008/5/27/1951294
+ *
+ * @param dest pointer to string
+ * @param src pointer to string
+ *
+ * @return newly allocated string
+ *
+ */
+
+static inline char *
+str_move (char *dest, const char *src)
+{
+    size_t n;
+
+    g_assert (dest <= src);
+
+    n = strlen (src) + 1;       /* + '\0' */
+
+    return (char *) memmove (dest, src, n);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* MC_STRUTIL_H */
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new file mode 100644
index 0000000..5936a36
--- /dev/null
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+
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+	strescape.c \
+	strutil8bit.c \
+	strutilascii.c \
+	strutil.c \
+	strutilutf8.c \
+	strverscmp.c \
+	xstrtol.c
+
+AM_CPPFLAGS = $(GLIB_CFLAGS) -I$(top_srcdir)
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index 0000000..966e17e
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+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
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+	}
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
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+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	fi
+mostlyclean-generic:
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/strutil/filevercmp.c b/lib/strutil/filevercmp.c
new file mode 100644
index 0000000..a0e55fc
--- /dev/null
+++ b/lib/strutil/filevercmp.c
@@ -0,0 +1,265 @@
+/*
+   Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
+   Copyright (C) 2001 Anthony Towns <aj@azure.humbug.org.au>
+   Copyright (C) 2008-2022 Free Software Foundation, Inc.
+
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   This file is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <limits.h>
+
+#include "lib/strutil.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* Return the length of a prefix of @s that corresponds to the suffix defined by this extended
+ * regular expression in the C locale: (\.[A-Za-z~][A-Za-z0-9~]*)*$
+ *
+ * Use the longest suffix matching this regular expression, except do not use all of s as a suffix
+ * if s is nonempty.
+ *
+ * If *len is -1, s is a string; set *lem to s's length.
+ * Otherwise, *len should be nonnegative, s is a char array, and *len does not change.
+ */
+static ssize_t
+file_prefixlen (const char *s, ssize_t * len)
+{
+    size_t n = (size_t) (*len); /* SIZE_MAX if N == -1 */
+    size_t i = 0;
+    size_t prefixlen = 0;
+
+    while (TRUE)
+    {
+        gboolean done;
+
+        if (*len < 0)
+            done = s[i] == '\0';
+        else
+            done = i == n;
+
+        if (done)
+        {
+            *len = (ssize_t) i;
+            return (ssize_t) prefixlen;
+        }
+
+        i++;
+        prefixlen = i;
+
+        while (i + 1 < n && s[i] == '.' && (g_ascii_isalpha (s[i + 1]) || s[i + 1] == '~'))
+            for (i += 2; i < n && (g_ascii_isalnum (s[i]) || s[i] == '~'); i++)
+                ;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Return a version sort comparison value for @s's byte at position @pos.
+ *
+ * @param s a string
+ * @param pos a position in @s
+ * @param len a length of @s. If @pos == @len, sort before all non-'~' bytes.
+ */
+
+static int
+order (const char *s, size_t pos, size_t len)
+{
+    unsigned char c;
+
+    if (pos == len)
+        return (-1);
+
+    c = s[pos];
+
+    if (g_ascii_isdigit (c))
+        return 0;
+    if (g_ascii_isalpha (c))
+        return c;
+    if (c == '~')
+        return (-2);
+
+    g_assert (UCHAR_MAX <= (INT_MAX - 1 - 2) / 2);
+
+    return (int) c + UCHAR_MAX + 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Slightly modified verrevcmp function from dpkg
+ *
+ * This implements the algorithm for comparison of version strings
+ * specified by Debian and now widely adopted.  The detailed
+ * specification can be found in the Debian Policy Manual in the
+ * section on the 'Version' control field.  This version of the code
+ * implements that from s5.6.12 of Debian Policy v3.8.0.1
+ * https://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
+ *
+ * @param s1 first char array to compare
+ * @param s1_len length of @s1
+ * @param s2 second char array to compare
+ * @param s2_len length of @s2
+ *
+ * @return an integer less than, equal to, or greater than zero, if @s1 is <, == or > than @s2.
+ */
+static int
+verrevcmp (const char *s1, ssize_t s1_len, const char *s2, ssize_t s2_len)
+{
+    ssize_t s1_pos = 0;
+    ssize_t s2_pos = 0;
+
+    while (s1_pos < s1_len || s2_pos < s2_len)
+    {
+        int first_diff = 0;
+
+        while ((s1_pos < s1_len && !g_ascii_isdigit (s1[s1_pos]))
+               || (s2_pos < s2_len && !g_ascii_isdigit (s2[s2_pos])))
+        {
+            int s1_c, s2_c;
+
+            s1_c = order (s1, s1_pos, s1_len);
+            s2_c = order (s2, s2_pos, s2_len);
+
+            if (s1_c != s2_c)
+                return (s1_c - s2_c);
+
+            s1_pos++;
+            s2_pos++;
+        }
+
+        while (s1_pos < s1_len && s1[s1_pos] == '0')
+            s1_pos++;
+        while (s2_pos < s2_len && s2[s2_pos] == '0')
+            s2_pos++;
+
+        while (s1_pos < s1_len && s2_pos < s2_len
+               && g_ascii_isdigit (s1[s1_pos]) && g_ascii_isdigit (s2[s2_pos]))
+        {
+            if (first_diff == 0)
+                first_diff = s1[s1_pos] - s2[s2_pos];
+
+            s1_pos++;
+            s2_pos++;
+        }
+
+        if (s1_pos < s1_len && g_ascii_isdigit (s1[s1_pos]))
+            return 1;
+        if (s2_pos < s2_len && g_ascii_isdigit (s2[s2_pos]))
+            return (-1);
+        if (first_diff != 0)
+            return first_diff;
+    }
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* Compare version strings.
+ *
+ * @param s1 first string to compare
+ * @param s2 second string to compare
+ *
+ * @return an integer less than, equal to, or greater than zero, if @s1 is <, == or > than @s2.
+ */
+int
+filevercmp (const char *s1, const char *s2)
+{
+    return filenvercmp (s1, -1, s2, -1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Compare version strings.
+ *
+ * @param a first string to compare
+ * @param alen length of @a or (-1)
+ * @param b second string to compare
+ * @param blen length of @b or (-1)
+ *
+ * @return an integer less than, equal to, or greater than zero, if @s1 is <, == or > than @s2.
+ */
+int
+filenvercmp (const char *a, ssize_t alen, const char *b, ssize_t blen)
+{
+    gboolean aempty, bempty;
+    ssize_t aprefixlen, bprefixlen;
+    gboolean one_pass_only;
+    int result;
+
+    /* Special case for empty versions. */
+    aempty = alen < 0 ? a[0] == '\0' : alen == 0;
+    bempty = blen < 0 ? b[0] == '\0' : blen == 0;
+
+    if (aempty)
+        return (bempty ? 0 : -1);
+    if (bempty)
+        return 1;
+
+    /* Special cases for leading ".": "." sorts first, then "..", then other names with leading ".",
+       then other names. */
+    if (a[0] == '.')
+    {
+        gboolean adot, bdot;
+        gboolean adotdot, bdotdot;
+
+        if (b[0] != '.')
+            return (-1);
+
+        adot = alen < 0 ? a[1] == '\0' : alen == 1;
+        bdot = blen < 0 ? b[1] == '\0' : blen == 1;
+
+        if (adot)
+            return (bdot ? 0 : -1);
+        if (bdot)
+            return 1;
+
+        adotdot = a[1] == '.' && (alen < 0 ? a[2] == '\0' : alen == 2);
+        bdotdot = b[1] == '.' && (blen < 0 ? b[2] == '\0' : blen == 2);
+        if (adotdot)
+            return (bdotdot ? 0 : -1);
+        if (bdotdot)
+            return 1;
+    }
+    else if (b[0] == '.')
+        return 1;
+
+    /* Cut file suffixes. */
+    aprefixlen = file_prefixlen (a, &alen);
+    bprefixlen = file_prefixlen (b, &blen);
+
+    /* If both suffixes are empty, a second pass would return the same thing. */
+    one_pass_only = aprefixlen == alen && bprefixlen == blen;
+
+    result = verrevcmp (a, aprefixlen, b, bprefixlen);
+
+    /* Return the initial result if nonzero, or if no second pass is needed.
+       Otherwise, restore the suffixes and try again. */
+    return (result != 0 || one_pass_only ? result : verrevcmp (a, alen, b, blen));
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/replace.c b/lib/strutil/replace.c
new file mode 100644
index 0000000..48255e5
--- /dev/null
+++ b/lib/strutil/replace.c
@@ -0,0 +1,117 @@
+/*
+   Functions for replacing substrings in strings.
+
+   Copyright (C) 2013-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2013;
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strescape.h"
+#include "lib/strutil.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static GString *
+str_ptr_array_join (const GPtrArray * str_splints)
+{
+    GString *return_str;
+    guint i;
+
+    return_str = g_string_sized_new (32);
+    for (i = 0; i < str_splints->len; i++)
+        g_string_append (return_str, g_ptr_array_index (str_splints, i));
+
+    return return_str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Replace all substrings 'needle' in string 'haystack' by 'replacement'.
+ * If the 'needle' in the 'haystack' will be escaped by backslash,
+ * then this occurrence isn't be replaced.
+ *
+ * @param haystack    string contains substrings for replacement
+ * @param needle      string for search
+ * @param replacement string for replace
+ * @return newly allocated string with replaced substrings
+ */
+
+char *
+str_replace_all (const char *haystack, const char *needle, const char *replacement)
+{
+    size_t needle_len;
+    GPtrArray *str_splints;
+    GString *return_str;
+
+    needle_len = strlen (needle);
+
+    str_splints = g_ptr_array_new_with_free_func (g_free);
+
+    while (TRUE)
+    {
+        char *needle_in_str;
+
+        needle_in_str = strstr (haystack, needle);
+        if (needle_in_str == NULL)
+        {
+            if (*haystack != '\0')
+                g_ptr_array_add (str_splints, g_strdup (haystack));
+            break;
+        }
+
+        if (strutils_is_char_escaped (haystack, needle_in_str))
+        {
+            char *backslash = needle_in_str - 1;
+
+            if (haystack != backslash)
+                g_ptr_array_add (str_splints, g_strndup (haystack, backslash - haystack));
+
+            g_ptr_array_add (str_splints, g_strndup (backslash + 1, needle_in_str - backslash));
+            haystack = needle_in_str + 1;
+            continue;
+        }
+        if (needle_in_str - haystack > 0)
+            g_ptr_array_add (str_splints, g_strndup (haystack, needle_in_str - haystack));
+        g_ptr_array_add (str_splints, g_strdup (replacement));
+        haystack = needle_in_str + needle_len;
+    }
+    return_str = str_ptr_array_join (str_splints);
+
+    g_ptr_array_free (str_splints, TRUE);
+
+    return g_string_free (return_str, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strescape.c b/lib/strutil/strescape.c
new file mode 100644
index 0000000..9d1beeb
--- /dev/null
+++ b/lib/strutil/strescape.c
@@ -0,0 +1,259 @@
+/*
+   Functions for escaping and unescaping strings
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009;
+   Patrick Winnertz <winnie@debian.org>, 2009
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/strescape.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static const char ESCAPE_SHELL_CHARS[] = " !#$%()&{}[]`?|<>;*\\\"'";
+static const char ESCAPE_REGEX_CHARS[] = "^!#$%()&{}[]`?|<>;*+.\\";
+static const char ESCAPE_GLOB_CHARS[] = "$*\\?";
+
+/*** file scope functions ************************************************************************/
+
+/*** public functions ****************************************************************************/
+
+char *
+strutils_escape (const char *src, gsize src_len, const char *escaped_chars,
+                 gboolean escape_non_printable)
+{
+    GString *ret;
+    gsize curr_index;
+    /* do NOT break allocation semantics */
+    if (src == NULL)
+        return NULL;
+
+    if (*src == '\0')
+        return strdup ("");
+
+    ret = g_string_new ("");
+
+    if (src_len == (gsize) (-1))
+        src_len = strlen (src);
+
+    for (curr_index = 0; curr_index < src_len; curr_index++)
+    {
+        if (escape_non_printable)
+        {
+            switch (src[curr_index])
+            {
+            case '\n':
+                g_string_append (ret, "\\n");
+                continue;
+            case '\t':
+                g_string_append (ret, "\\t");
+                continue;
+            case '\b':
+                g_string_append (ret, "\\b");
+                continue;
+            case '\0':
+                g_string_append (ret, "\\0");
+                continue;
+            default:
+                break;
+            }
+        }
+
+        if (strchr (escaped_chars, (int) src[curr_index]))
+            g_string_append_c (ret, '\\');
+
+        g_string_append_c (ret, src[curr_index]);
+    }
+    return g_string_free (ret, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+char *
+strutils_unescape (const char *src, gsize src_len, const char *unescaped_chars,
+                   gboolean unescape_non_printable)
+{
+    GString *ret;
+    gsize curr_index;
+
+    if (src == NULL)
+        return NULL;
+
+    if (*src == '\0')
+        return strdup ("");
+
+    ret = g_string_sized_new (16);
+
+    if (src_len == (gsize) (-1))
+        src_len = strlen (src);
+    src_len--;
+
+    for (curr_index = 0; curr_index < src_len; curr_index++)
+    {
+        if (src[curr_index] != '\\')
+        {
+            g_string_append_c (ret, src[curr_index]);
+            continue;
+        }
+
+        curr_index++;
+
+        if (unescaped_chars == ESCAPE_SHELL_CHARS && src[curr_index] == '$')
+        {
+            /* special case: \$ is used to disallow variable substitution */
+            g_string_append_c (ret, '\\');
+        }
+        else
+        {
+            if (unescape_non_printable)
+            {
+                switch (src[curr_index])
+                {
+                case 'n':
+                    g_string_append_c (ret, '\n');
+                    continue;
+                case 't':
+                    g_string_append_c (ret, '\t');
+                    continue;
+                case 'b':
+                    g_string_append_c (ret, '\b');
+                    continue;
+                case '0':
+                    g_string_append_c (ret, '\0');
+                    continue;
+                default:
+                    break;
+                }
+            }
+
+            if (strchr (unescaped_chars, (int) src[curr_index]) == NULL)
+                g_string_append_c (ret, '\\');
+        }
+
+        g_string_append_c (ret, src[curr_index]);
+    }
+    g_string_append_c (ret, src[curr_index]);
+
+    return g_string_free (ret, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * To be compatible with the general posix command lines we have to escape
+ * strings for the command line
+ *
+ * @param src string for escaping
+ *
+ * @return escaped string (which needs to be freed later) or NULL when NULL string is passed.
+ */
+
+char *
+strutils_shell_escape (const char *src)
+{
+    return strutils_escape (src, -1, ESCAPE_SHELL_CHARS, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+strutils_glob_escape (const char *src)
+{
+    return strutils_escape (src, -1, ESCAPE_GLOB_CHARS, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+strutils_regex_escape (const char *src)
+{
+    return strutils_escape (src, -1, ESCAPE_REGEX_CHARS, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Unescape paths or other strings for e.g the internal cd
+ * shell-unescape within a given buffer (writing to it!)
+ *
+ * @param text string for unescaping
+ *
+ * @return unescaped string (which needs to be freed)
+ */
+
+char *
+strutils_shell_unescape (const char *text)
+{
+    return strutils_unescape (text, -1, ESCAPE_SHELL_CHARS, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+strutils_glob_unescape (const char *text)
+{
+    return strutils_unescape (text, -1, ESCAPE_GLOB_CHARS, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+char *
+strutils_regex_unescape (const char *text)
+{
+    return strutils_unescape (text, -1, ESCAPE_REGEX_CHARS, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Check if char in pointer contain escape'd chars
+ *
+ * @param start string for checking
+ * @param current pointer to checked character
+ *
+ * @return TRUE if string contain escaped chars otherwise return FALSE
+ */
+
+gboolean
+strutils_is_char_escaped (const char *start, const char *current)
+{
+    int num_esc = 0;
+
+    if (start == NULL || current == NULL || current <= start)
+        return FALSE;
+
+    current--;
+    while (current >= start && *current == '\\')
+    {
+        num_esc++;
+        current--;
+    }
+    return (gboolean) num_esc % 2;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strutil.c b/lib/strutil/strutil.c
new file mode 100644
index 0000000..b86d578
--- /dev/null
+++ b/lib/strutil/strutil.c
@@ -0,0 +1,1024 @@
+/*
+   Common strings utilities
+
+   Copyright (C) 2007-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Rostislav Benes, 2007
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <langinfo.h>
+#include <string.h>
+#include <errno.h>
+
+#include "lib/global.h"
+#include "lib/util.h"           /* MC_PTR_FREE */
+#include "lib/strutil.h"
+
+/*** global variables ****************************************************************************/
+
+GIConv str_cnv_to_term;
+GIConv str_cnv_from_term;
+GIConv str_cnv_not_convert = INVALID_CONV;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* names, that are used for utf-8 */
+static const char *const str_utf8_encodings[] = {
+    "utf-8",
+    "utf8",
+    NULL
+};
+
+/* standard 8bit encodings, no wide or multibytes characters */
+static const char *const str_8bit_encodings[] = {
+    /* Solaris has different names of Windows 1251 encoding */
+#ifdef __sun
+    "ansi-1251",
+    "ansi1251",
+#else
+    "cp-1251",
+    "cp1251",
+#endif
+    "cp-1250",
+    "cp1250",
+    "cp-866",
+    "cp866",
+    "ibm-866",
+    "ibm866",
+    "cp-850",
+    "cp850",
+    "cp-852",
+    "cp852",
+    "iso-8859",
+    "iso8859",
+    "koi8",
+    NULL
+};
+
+/* terminal encoding */
+static char *codeset = NULL;
+static char *term_encoding = NULL;
+/* function for encoding specific operations */
+static struct str_class used_class;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* if enc is same encoding like on terminal */
+static int
+str_test_not_convert (const char *enc)
+{
+    return g_ascii_strcasecmp (enc, codeset) == 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static estr_t
+_str_convert (GIConv coder, const char *string, int size, GString * buffer)
+{
+    estr_t state = ESTR_SUCCESS;
+    gssize left;
+    gsize bytes_read = 0;
+    gsize bytes_written = 0;
+
+    errno = 0;                  /* FIXME: is it really needed? */
+
+    if (coder == INVALID_CONV)
+        return ESTR_FAILURE;
+
+    if (string == NULL || buffer == NULL)
+        return ESTR_FAILURE;
+
+    /*
+       if (! used_class.is_valid_string (string))
+       {
+       return ESTR_FAILURE;
+       }
+     */
+    if (size < 0)
+        size = strlen (string);
+    else
+    {
+        left = strlen (string);
+        if (left < size)
+            size = left;
+    }
+
+    left = size;
+    g_iconv (coder, NULL, NULL, NULL, NULL);
+
+    while (left != 0)
+    {
+        gchar *tmp_buff;
+        GError *mcerror = NULL;
+
+        tmp_buff = g_convert_with_iconv ((const gchar *) string,
+                                         left, coder, &bytes_read, &bytes_written, &mcerror);
+        if (mcerror != NULL)
+        {
+            int code = mcerror->code;
+
+            g_error_free (mcerror);
+            mcerror = NULL;
+
+            switch (code)
+            {
+            case G_CONVERT_ERROR_NO_CONVERSION:
+                /* Conversion between the requested character sets is not supported. */
+                g_free (tmp_buff);
+                tmp_buff = g_strnfill (strlen (string), '?');
+                g_string_append (buffer, tmp_buff);
+                g_free (tmp_buff);
+                return ESTR_FAILURE;
+
+            case G_CONVERT_ERROR_ILLEGAL_SEQUENCE:
+                /* Invalid byte sequence in conversion input. */
+                if ((tmp_buff == NULL) && (bytes_read != 0))
+                    /* recode valid byte sequence */
+                    tmp_buff = g_convert_with_iconv ((const gchar *) string,
+                                                     bytes_read, coder, NULL, NULL, NULL);
+
+                if (tmp_buff != NULL)
+                {
+                    g_string_append (buffer, tmp_buff);
+                    g_free (tmp_buff);
+                }
+
+                if ((int) bytes_read >= left)
+                    return ESTR_PROBLEM;
+
+                string += bytes_read + 1;
+                size -= (bytes_read + 1);
+                left -= (bytes_read + 1);
+                g_string_append_c (buffer, *(string - 1));
+                state = ESTR_PROBLEM;
+                break;
+
+            case G_CONVERT_ERROR_PARTIAL_INPUT:
+                /* Partial character sequence at end of input. */
+                g_string_append (buffer, tmp_buff);
+                g_free (tmp_buff);
+                if ((int) bytes_read < left)
+                {
+                    left = left - bytes_read;
+                    tmp_buff = g_strnfill (left, '?');
+                    g_string_append (buffer, tmp_buff);
+                    g_free (tmp_buff);
+                }
+                return ESTR_PROBLEM;
+
+            case G_CONVERT_ERROR_BAD_URI:      /* Don't know how handle this error :( */
+            case G_CONVERT_ERROR_NOT_ABSOLUTE_PATH:    /* Don't know how handle this error :( */
+            case G_CONVERT_ERROR_FAILED:       /* Conversion failed for some reason. */
+            default:
+                g_free (tmp_buff);
+                return ESTR_FAILURE;
+            }
+        }
+        else if (tmp_buff == NULL)
+        {
+            g_string_append (buffer, string);
+            return ESTR_PROBLEM;
+        }
+        else if (*tmp_buff == '\0')
+        {
+            g_free (tmp_buff);
+            g_string_append (buffer, string);
+            return state;
+        }
+        else
+        {
+            g_string_append (buffer, tmp_buff);
+            g_free (tmp_buff);
+            string += bytes_read;
+            left -= bytes_read;
+        }
+    }
+
+    return state;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_test_encoding_class (const char *encoding, const char *const *table)
+{
+    int result = 0;
+
+    if (encoding != NULL)
+    {
+        int t;
+
+        for (t = 0; table[t] != NULL; t++)
+            if (g_ascii_strncasecmp (encoding, table[t], strlen (table[t])) == 0)
+                result++;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_choose_str_functions (void)
+{
+    if (str_test_encoding_class (codeset, str_utf8_encodings))
+        used_class = str_utf8_init ();
+    else if (str_test_encoding_class (codeset, str_8bit_encodings))
+        used_class = str_8bit_init ();
+    else
+        used_class = str_ascii_init ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+GIConv
+str_crt_conv_to (const char *to_enc)
+{
+    return (!str_test_not_convert (to_enc)) ? g_iconv_open (to_enc, codeset) : str_cnv_not_convert;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GIConv
+str_crt_conv_from (const char *from_enc)
+{
+    return (!str_test_not_convert (from_enc))
+        ? g_iconv_open (codeset, from_enc) : str_cnv_not_convert;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_close_conv (GIConv conv)
+{
+    if (conv != str_cnv_not_convert)
+        g_iconv_close (conv);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+estr_t
+str_convert (GIConv coder, const char *string, GString * buffer)
+{
+    return _str_convert (coder, string, -1, buffer);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+estr_t
+str_nconvert (GIConv coder, const char *string, int size, GString * buffer)
+{
+    return _str_convert (coder, string, size, buffer);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+str_conv_gerror_message (GError * mcerror, const char *def_msg)
+{
+    return used_class.conv_gerror_message (mcerror, def_msg);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+estr_t
+str_vfs_convert_from (GIConv coder, const char *string, GString * buffer)
+{
+    estr_t result = ESTR_SUCCESS;
+
+    if (coder == str_cnv_not_convert)
+        g_string_append (buffer, string != NULL ? string : "");
+    else
+        result = _str_convert (coder, string, -1, buffer);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+estr_t
+str_vfs_convert_to (GIConv coder, const char *string, int size, GString * buffer)
+{
+    return used_class.vfs_convert_to (coder, string, size, buffer);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_printf (GString * buffer, const char *format, ...)
+{
+    va_list ap;
+    va_start (ap, format);
+
+    g_string_append_vprintf (buffer, format, ap);
+    va_end (ap);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_insert_replace_char (GString * buffer)
+{
+    used_class.insert_replace_char (buffer);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+estr_t
+str_translate_char (GIConv conv, const char *keys, size_t ch_size, char *output, size_t out_size)
+{
+    size_t left;
+    size_t cnv;
+
+    g_iconv (conv, NULL, NULL, NULL, NULL);
+
+    left = (ch_size == (size_t) (-1)) ? strlen (keys) : ch_size;
+
+    cnv = g_iconv (conv, (gchar **) & keys, &left, &output, &out_size);
+    if (cnv == (size_t) (-1))
+        return (errno == EINVAL) ? ESTR_PROBLEM : ESTR_FAILURE;
+
+    output[0] = '\0';
+    return ESTR_SUCCESS;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_detect_termencoding (void)
+{
+    if (term_encoding == NULL)
+    {
+        /* On Linux, nl_langinfo (CODESET) returns upper case UTF-8 whether the LANG is set
+           to utf-8 or UTF-8.
+           On Mac OS X, it returns the same case as the LANG input.
+           So let tranform result of nl_langinfo (CODESET) to upper case  unconditionally. */
+        term_encoding = g_ascii_strup (nl_langinfo (CODESET), -1);
+    }
+
+    return term_encoding;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_isutf8 (const char *codeset_name)
+{
+    return (str_test_encoding_class (codeset_name, str_utf8_encodings) != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_init_strings (const char *termenc)
+{
+    codeset = termenc != NULL ? g_ascii_strup (termenc, -1) : g_strdup (str_detect_termencoding ());
+
+    str_cnv_not_convert = g_iconv_open (codeset, codeset);
+    if (str_cnv_not_convert == INVALID_CONV)
+    {
+        if (termenc != NULL)
+        {
+            g_free (codeset);
+            codeset = g_strdup (str_detect_termencoding ());
+            str_cnv_not_convert = g_iconv_open (codeset, codeset);
+        }
+
+        if (str_cnv_not_convert == INVALID_CONV)
+        {
+            g_free (codeset);
+            codeset = g_strdup (DEFAULT_CHARSET);
+            str_cnv_not_convert = g_iconv_open (codeset, codeset);
+        }
+    }
+
+    str_cnv_to_term = str_cnv_not_convert;
+    str_cnv_from_term = str_cnv_not_convert;
+
+    str_choose_str_functions ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_uninit_strings (void)
+{
+    if (str_cnv_not_convert != INVALID_CONV)
+        g_iconv_close (str_cnv_not_convert);
+    /* NULL-ize pointers to avoid double free in unit tests */
+    MC_PTR_FREE (term_encoding);
+    MC_PTR_FREE (codeset);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_term_form (const char *text)
+{
+    return used_class.term_form (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_fit_to_term (const char *text, int width, align_crt_t just_mode)
+{
+    return used_class.fit_to_term (text, width, just_mode);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_term_trim (const char *text, int width)
+{
+    return used_class.term_trim (text, width);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_term_substring (const char *text, int start, int width)
+{
+    return used_class.term_substring (text, start, width);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_get_next_char (char *text)
+{
+
+    used_class.cnext_char ((const char **) &text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_cget_next_char (const char *text)
+{
+    used_class.cnext_char (&text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_next_char (char **text)
+{
+    used_class.cnext_char ((const char **) text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_cnext_char (const char **text)
+{
+    used_class.cnext_char (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_get_prev_char (char *text)
+{
+    used_class.cprev_char ((const char **) &text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_cget_prev_char (const char *text)
+{
+    used_class.cprev_char (&text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_prev_char (char **text)
+{
+    used_class.cprev_char ((const char **) text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_cprev_char (const char **text)
+{
+    used_class.cprev_char (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_get_next_char_safe (char *text)
+{
+    used_class.cnext_char_safe ((const char **) &text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_cget_next_char_safe (const char *text)
+{
+    used_class.cnext_char_safe (&text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_next_char_safe (char **text)
+{
+    used_class.cnext_char_safe ((const char **) text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_cnext_char_safe (const char **text)
+{
+    used_class.cnext_char_safe (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_get_prev_char_safe (char *text)
+{
+    used_class.cprev_char_safe ((const char **) &text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_cget_prev_char_safe (const char *text)
+{
+    used_class.cprev_char_safe (&text);
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_prev_char_safe (char **text)
+{
+    used_class.cprev_char_safe ((const char **) text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_cprev_char_safe (const char **text)
+{
+    used_class.cprev_char_safe (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_next_noncomb_char (char **text)
+{
+    return used_class.cnext_noncomb_char ((const char **) text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_cnext_noncomb_char (const char **text)
+{
+    return used_class.cnext_noncomb_char (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_prev_noncomb_char (char **text, const char *begin)
+{
+    return used_class.cprev_noncomb_char ((const char **) text, begin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_cprev_noncomb_char (const char **text, const char *begin)
+{
+    return used_class.cprev_noncomb_char (text, begin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_is_valid_char (const char *ch, size_t size)
+{
+    return used_class.is_valid_char (ch, size);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_term_width1 (const char *text)
+{
+    return used_class.term_width1 (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_term_width2 (const char *text, size_t length)
+{
+    return used_class.term_width2 (text, length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_term_char_width (const char *text)
+{
+    return used_class.term_char_width (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_offset_to_pos (const char *text, size_t length)
+{
+    return used_class.offset_to_pos (text, length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_length (const char *text)
+{
+    return used_class.length (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_length_char (const char *text)
+{
+    return str_cget_next_char_safe (text) - text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_length2 (const char *text, int size)
+{
+    return used_class.length2 (text, size);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_length_noncomb (const char *text)
+{
+    return used_class.length_noncomb (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_column_to_pos (const char *text, size_t pos)
+{
+    return used_class.column_to_pos (text, pos);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_isspace (const char *ch)
+{
+    return used_class.char_isspace (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_ispunct (const char *ch)
+{
+    return used_class.char_ispunct (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_isalnum (const char *ch)
+{
+    return used_class.char_isalnum (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_isdigit (const char *ch)
+{
+    return used_class.char_isdigit (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_toupper (const char *ch, char **out, size_t * remain)
+{
+    return used_class.char_toupper (ch, out, remain);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_tolower (const char *ch, char **out, size_t * remain)
+{
+    return used_class.char_tolower (ch, out, remain);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_isprint (const char *ch)
+{
+    return used_class.char_isprint (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_iscombiningmark (const char *ch)
+{
+    return used_class.char_iscombiningmark (ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_trunc (const char *text, int width)
+{
+    return used_class.trunc (text, width);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_create_search_needle (const char *needle, gboolean case_sen)
+{
+    return used_class.create_search_needle (needle, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_release_search_needle (char *needle, gboolean case_sen)
+{
+    used_class.release_search_needle (needle, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_search_first (const char *text, const char *search, gboolean case_sen)
+{
+    return used_class.search_first (text, search, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+str_search_last (const char *text, const char *search, gboolean case_sen)
+{
+    return used_class.search_last (text, search, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+str_is_valid_string (const char *text)
+{
+    return used_class.is_valid_string (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_compare (const char *t1, const char *t2)
+{
+    return used_class.compare (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_ncompare (const char *t1, const char *t2)
+{
+    return used_class.ncompare (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_casecmp (const char *t1, const char *t2)
+{
+    return used_class.casecmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_ncasecmp (const char *t1, const char *t2)
+{
+    return used_class.ncasecmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_prefix (const char *text, const char *prefix)
+{
+    return used_class.prefix (text, prefix);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_caseprefix (const char *text, const char *prefix)
+{
+    return used_class.caseprefix (text, prefix);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_fix_string (char *text)
+{
+    used_class.fix_string (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_create_key (const char *text, gboolean case_sen)
+{
+    return used_class.create_key (text, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+str_create_key_for_filename (const char *text, gboolean case_sen)
+{
+    return used_class.create_key_for_filename (text, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+str_key_collate (const char *t1, const char *t2, gboolean case_sen)
+{
+    return used_class.key_collate (t1, t2, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_release_key (char *key, gboolean case_sen)
+{
+    used_class.release_key (key, case_sen);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+str_msg_term_size (const char *text, int *lines, int *columns)
+{
+    char *p, *tmp;
+    char *q;
+    char c = '\0';
+
+    *lines = 1;
+    *columns = 0;
+
+    tmp = g_strdup (text);
+    p = tmp;
+
+    while (TRUE)
+    {
+        int width;
+
+        q = strchr (p, '\n');
+        if (q != NULL)
+        {
+            c = q[0];
+            q[0] = '\0';
+        }
+
+        width = str_term_width1 (p);
+        if (width > *columns)
+            *columns = width;
+
+        if (q == NULL)
+            break;
+
+        q[0] = c;
+        p = q + 1;
+        (*lines)++;
+    }
+
+    g_free (tmp);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+strrstr_skip_count (const char *haystack, const char *needle, size_t skip_count)
+{
+    char *semi;
+    ssize_t len;
+
+    len = strlen (haystack);
+
+    do
+    {
+        semi = g_strrstr_len (haystack, len, needle);
+        if (semi == NULL)
+            return NULL;
+        len = semi - haystack - 1;
+    }
+    while (skip_count-- != 0);
+
+    return semi;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Interprete string as a non-negative decimal integer, optionally multiplied by various values.
+ *
+ * @param str input value
+ * @param invalid set to TRUE if "str" does not represent a number in this format
+ *
+ * @return non-integer representation of "str", 0 in case of error.
+ */
+
+uintmax_t
+parse_integer (const char *str, gboolean * invalid)
+{
+    uintmax_t n;
+    char *suffix;
+    strtol_error_t e;
+
+    e = xstrtoumax (str, &suffix, 10, &n, "bcEGkKMPTwYZ0");
+    if (e == LONGINT_INVALID_SUFFIX_CHAR && *suffix == 'x')
+    {
+        uintmax_t multiplier;
+
+        multiplier = parse_integer (suffix + 1, invalid);
+        if (multiplier != 0 && n * multiplier / multiplier != n)
+        {
+            *invalid = TRUE;
+            return 0;
+        }
+
+        n *= multiplier;
+    }
+    else if (e != LONGINT_OK)
+    {
+        *invalid = TRUE;
+        n = 0;
+    }
+
+    return n;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strutil8bit.c b/lib/strutil/strutil8bit.c
new file mode 100644
index 0000000..abb7a99
--- /dev/null
+++ b/lib/strutil/strutil8bit.c
@@ -0,0 +1,860 @@
+/*
+   8bit strings utilities
+
+   Copyright (C) 2007-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Rostislav Benes, 2007
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+/* Functions for singlebyte encodings, all characters have width 1
+ * using standard system functions.
+ * There are only small differences between functions in strutil8bit.c
+ * and strutilascii.c.
+ */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*
+ * Inlines to equalize 'char' signedness for single 'char' encodings.
+ * Instead of writing
+ *    isspace ((unsigned char) c);
+ * you can write
+ *    char_isspace (c);
+ */
+#define DECLARE_CTYPE_WRAPPER(func_name)       \
+static inline int char_##func_name(char c)     \
+{                                              \
+    return func_name((int)(unsigned char)c);   \
+}
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static const char replch = '?';
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* *INDENT-OFF* */
+DECLARE_CTYPE_WRAPPER (isalnum)
+DECLARE_CTYPE_WRAPPER (isdigit)
+DECLARE_CTYPE_WRAPPER (isprint)
+DECLARE_CTYPE_WRAPPER (ispunct)
+DECLARE_CTYPE_WRAPPER (isspace)
+DECLARE_CTYPE_WRAPPER (toupper)
+DECLARE_CTYPE_WRAPPER (tolower)
+/* *INDENT-ON* */
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_insert_replace_char (GString * buffer)
+{
+    g_string_append_c (buffer, replch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_is_valid_string (const char *text)
+{
+    (void) text;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_is_valid_char (const char *ch, size_t size)
+{
+    (void) ch;
+    (void) size;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_cnext_char (const char **text)
+{
+    (*text)++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_cprev_char (const char **text)
+{
+    (*text)--;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_cnext_noncomb_char (const char **text)
+{
+    if (*text[0] == '\0')
+        return 0;
+
+    (*text)++;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_cprev_noncomb_char (const char **text, const char *begin)
+{
+    if ((*text) == begin)
+        return 0;
+
+    (*text)--;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_isspace (const char *text)
+{
+    return char_isspace (text[0]) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_ispunct (const char *text)
+{
+    return char_ispunct (text[0]) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_isalnum (const char *text)
+{
+    return char_isalnum (text[0]) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_isdigit (const char *text)
+{
+    return char_isdigit (text[0]) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_isprint (const char *text)
+{
+    return char_isprint (text[0]) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_iscombiningmark (const char *text)
+{
+    (void) text;
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_toupper (const char *text, char **out, size_t * remain)
+{
+    if (*remain <= 1)
+        return FALSE;
+
+    (*out)[0] = char_toupper (text[0]);
+    (*out)++;
+    (*remain)--;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_8bit_tolower (const char *text, char **out, size_t * remain)
+{
+    if (*remain <= 1)
+        return FALSE;
+
+    (*out)[0] = char_tolower (text[0]);
+    (*out)++;
+    (*remain)--;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_length (const char *text)
+{
+    return strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_length2 (const char *text, int size)
+{
+    return (size >= 0) ? MIN (strlen (text), (gsize) size) : strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gchar *
+str_8bit_conv_gerror_message (GError * mcerror, const char *def_msg)
+{
+    GIConv conv;
+    gchar *ret;
+
+    /* glib messages are in UTF-8 charset */
+    conv = str_crt_conv_from ("UTF-8");
+
+    if (conv == INVALID_CONV)
+        ret = g_strdup (def_msg != NULL ? def_msg : "");
+    else
+    {
+        GString *buf;
+
+        buf = g_string_new ("");
+
+        if (str_convert (conv, mcerror->message, buf) != ESTR_FAILURE)
+            ret = g_string_free (buf, FALSE);
+        else
+        {
+            ret = g_strdup (def_msg != NULL ? def_msg : "");
+            g_string_free (buf, TRUE);
+        }
+
+        str_close_conv (conv);
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static estr_t
+str_8bit_vfs_convert_to (GIConv coder, const char *string, int size, GString * buffer)
+{
+    estr_t result = ESTR_SUCCESS;
+
+    if (coder == str_cnv_not_convert)
+        g_string_append_len (buffer, string, size);
+    else
+        result = str_nconvert (coder, string, size, buffer);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_term_form (const char *text)
+{
+    static char result[BUF_MEDIUM];
+    char *actual;
+    size_t remain;
+    size_t length;
+    size_t pos = 0;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    for (; pos < length && remain > 1; pos++, actual++, remain--)
+        actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_fit_to_term (const char *text, int width, align_crt_t just_mode)
+{
+    static char result[BUF_MEDIUM];
+    char *actual;
+    size_t remain;
+    int ident = 0;
+    size_t length;
+    size_t pos = 0;
+
+    length = strlen (text);
+    actual = result;
+    remain = sizeof (result);
+
+    if ((int) length <= width)
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER_LEFT:
+        case J_CENTER:
+            ident = (width - length) / 2;
+            break;
+        case J_RIGHT:
+            ident = width - length;
+            break;
+        default:
+            break;
+        }
+
+        if ((int) remain <= ident)
+            goto finally;
+        memset (actual, ' ', ident);
+        actual += ident;
+        remain -= ident;
+
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+
+        if (width - length - ident > 0)
+        {
+            if (remain <= width - length - ident)
+                goto finally;
+            memset (actual, ' ', width - length - ident);
+            actual += width - length - ident;
+        }
+    }
+    else if (IS_FIT (just_mode))
+    {
+        for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+
+        if (remain <= 1)
+            goto finally;
+        actual[0] = '~';
+        actual++;
+        remain--;
+
+        pos += length - width + 1;
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+    }
+    else
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER:
+            ident = (length - width) / 2;
+            break;
+        case J_RIGHT:
+            ident = length - width;
+            break;
+        default:
+            break;
+        }
+
+        pos += ident;
+        for (; pos < (gsize) (ident + width) && remain > 1; pos++, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+    }
+
+  finally:
+    if (actual >= result + sizeof (result))
+        actual = result + sizeof (result) - 1;
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_term_trim (const char *text, int width)
+{
+    static char result[BUF_MEDIUM];
+    size_t remain;
+    char *actual;
+    size_t length;
+
+    length = strlen (text);
+    actual = result;
+    remain = sizeof (result);
+
+    if (width > 0)
+    {
+        size_t pos;
+
+        if (width >= (int) length)
+        {
+            for (pos = 0; pos < length && remain > 1; pos++, actual++, remain--)
+                actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+        }
+        else if (width <= 3)
+        {
+            memset (actual, '.', width);
+            actual += width;
+        }
+        else
+        {
+            memset (actual, '.', 3);
+            actual += 3;
+            remain -= 3;
+
+            for (pos = length - width + 3; pos < length && remain > 1; pos++, actual++, remain--)
+                actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+        }
+    }
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_term_width2 (const char *text, size_t length)
+{
+    return (length != (size_t) (-1)) ? MIN (strlen (text), length) : strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_term_width1 (const char *text)
+{
+    return str_8bit_term_width2 (text, (size_t) (-1));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_term_char_width (const char *text)
+{
+    (void) text;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_term_substring (const char *text, int start, int width)
+{
+    static char result[BUF_MEDIUM];
+    size_t remain;
+    char *actual;
+    size_t length;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    if (start < (int) length)
+    {
+        size_t pos;
+
+        for (pos = start; pos < length && width > 0 && remain > 1;
+             pos++, width--, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+    }
+
+    for (; width > 0 && remain > 1; actual++, remain--, width--)
+        actual[0] = ' ';
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_trunc (const char *text, int width)
+{
+    static char result[MC_MAXPATHLEN];
+    int remain;
+    char *actual;
+    size_t pos = 0;
+    size_t length;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    if ((int) length > width)
+    {
+        for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+
+        if (remain <= 1)
+            goto finally;
+        actual[0] = '~';
+        actual++;
+        remain--;
+
+        pos += length - width + 1;
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+    }
+    else
+    {
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+            actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
+    }
+
+  finally:
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_offset_to_pos (const char *text, size_t length)
+{
+    (void) text;
+    return (int) length;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_column_to_pos (const char *text, size_t pos)
+{
+    (void) text;
+    return (int) pos;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_8bit_create_search_needle (const char *needle, gboolean case_sen)
+{
+    (void) case_sen;
+    return (char *) needle;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_release_search_needle (char *needle, gboolean case_sen)
+{
+    (void) case_sen;
+    (void) needle;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_8bit_strdown (const char *str)
+{
+    char *rets, *p;
+
+    if (str == NULL)
+        return NULL;
+
+    rets = g_strdup (str);
+
+    for (p = rets; *p != '\0'; p++)
+        *p = char_tolower (*p);
+
+    return rets;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_search_first (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *fold_search;
+    const char *match;
+
+    fold_text = case_sen ? (char *) text : str_8bit_strdown (text);
+    fold_search = case_sen ? (char *) search : str_8bit_strdown (search);
+
+    match = g_strstr_len (fold_text, -1, fold_search);
+    if (match != NULL)
+    {
+        size_t offset;
+
+        offset = match - fold_text;
+        match = text + offset;
+    }
+
+    if (!case_sen)
+    {
+        g_free (fold_text);
+        g_free (fold_search);
+    }
+
+    return match;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_8bit_search_last (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *fold_search;
+    const char *match;
+
+    fold_text = case_sen ? (char *) text : str_8bit_strdown (text);
+    fold_search = case_sen ? (char *) search : str_8bit_strdown (search);
+
+    match = g_strrstr_len (fold_text, -1, fold_search);
+    if (match != NULL)
+    {
+        size_t offset;
+
+        offset = match - fold_text;
+        match = text + offset;
+    }
+
+    if (!case_sen)
+    {
+        g_free (fold_text);
+        g_free (fold_search);
+    }
+
+    return match;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_compare (const char *t1, const char *t2)
+{
+    return strcmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_ncompare (const char *t1, const char *t2)
+{
+    return strncmp (t1, t2, MIN (strlen (t1), strlen (t2)));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_casecmp (const char *s1, const char *s2)
+{
+    /* code from GLib */
+
+#ifdef HAVE_STRCASECMP
+    g_return_val_if_fail (s1 != NULL, 0);
+    g_return_val_if_fail (s2 != NULL, 0);
+
+    return strcasecmp (s1, s2);
+#else
+    gint c1, c2;
+
+    g_return_val_if_fail (s1 != NULL, 0);
+    g_return_val_if_fail (s2 != NULL, 0);
+
+    while (*s1 != '\0' && *s2 != '\0')
+    {
+        /* According to A. Cox, some platforms have islower's that
+         * don't work right on non-uppercase
+         */
+        c1 = isupper ((guchar) * s1) ? tolower ((guchar) * s1) : *s1;
+        c2 = isupper ((guchar) * s2) ? tolower ((guchar) * s2) : *s2;
+        if (c1 != c2)
+            return (c1 - c2);
+        s1++;
+        s2++;
+    }
+
+    return (((gint) (guchar) * s1) - ((gint) (guchar) * s2));
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_ncasecmp (const char *s1, const char *s2)
+{
+    size_t n;
+
+    g_return_val_if_fail (s1 != NULL, 0);
+    g_return_val_if_fail (s2 != NULL, 0);
+
+    n = MIN (strlen (s1), strlen (s2));
+
+    /* code from GLib */
+
+#ifdef HAVE_STRNCASECMP
+    return strncasecmp (s1, s2, n);
+#else
+    gint c1, c2;
+
+    while (n != 0 && *s1 != '\0' && *s2 != '\0')
+    {
+        n -= 1;
+        /* According to A. Cox, some platforms have islower's that
+         * don't work right on non-uppercase
+         */
+        c1 = isupper ((guchar) * s1) ? tolower ((guchar) * s1) : *s1;
+        c2 = isupper ((guchar) * s2) ? tolower ((guchar) * s2) : *s2;
+        if (c1 != c2)
+            return (c1 - c2);
+        s1++;
+        s2++;
+    }
+
+    if (n == 0)
+        return 0;
+
+    return (((gint) (guchar) * s1) - ((gint) (guchar) * s2));
+
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_prefix (const char *text, const char *prefix)
+{
+    int result;
+
+    for (result = 0; text[result] != '\0' && prefix[result] != '\0'
+         && text[result] == prefix[result]; result++);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_caseprefix (const char *text, const char *prefix)
+{
+    int result;
+
+    for (result = 0; text[result] != '\0' && prefix[result] != '\0'
+         && char_toupper (text[result]) == char_toupper (prefix[result]); result++);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_fix_string (char *text)
+{
+    (void) text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_8bit_create_key (const char *text, gboolean case_sen)
+{
+    return case_sen ? (char *) text : str_8bit_strdown (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_8bit_key_collate (const char *t1, const char *t2, gboolean case_sen)
+{
+    return case_sen ? strcmp (t1, t2) : strcoll (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_8bit_release_key (char *key, gboolean case_sen)
+{
+    if (!case_sen)
+        g_free (key);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+struct str_class
+str_8bit_init (void)
+{
+    struct str_class result;
+
+    result.conv_gerror_message = str_8bit_conv_gerror_message;
+    result.vfs_convert_to = str_8bit_vfs_convert_to;
+    result.insert_replace_char = str_8bit_insert_replace_char;
+    result.is_valid_string = str_8bit_is_valid_string;
+    result.is_valid_char = str_8bit_is_valid_char;
+    result.cnext_char = str_8bit_cnext_char;
+    result.cprev_char = str_8bit_cprev_char;
+    result.cnext_char_safe = str_8bit_cnext_char;
+    result.cprev_char_safe = str_8bit_cprev_char;
+    result.cnext_noncomb_char = str_8bit_cnext_noncomb_char;
+    result.cprev_noncomb_char = str_8bit_cprev_noncomb_char;
+    result.char_isspace = str_8bit_isspace;
+    result.char_ispunct = str_8bit_ispunct;
+    result.char_isalnum = str_8bit_isalnum;
+    result.char_isdigit = str_8bit_isdigit;
+    result.char_isprint = str_8bit_isprint;
+    result.char_iscombiningmark = str_8bit_iscombiningmark;
+    result.char_toupper = str_8bit_toupper;
+    result.char_tolower = str_8bit_tolower;
+    result.length = str_8bit_length;
+    result.length2 = str_8bit_length2;
+    result.length_noncomb = str_8bit_length;
+    result.fix_string = str_8bit_fix_string;
+    result.term_form = str_8bit_term_form;
+    result.fit_to_term = str_8bit_fit_to_term;
+    result.term_trim = str_8bit_term_trim;
+    result.term_width2 = str_8bit_term_width2;
+    result.term_width1 = str_8bit_term_width1;
+    result.term_char_width = str_8bit_term_char_width;
+    result.term_substring = str_8bit_term_substring;
+    result.trunc = str_8bit_trunc;
+    result.offset_to_pos = str_8bit_offset_to_pos;
+    result.column_to_pos = str_8bit_column_to_pos;
+    result.create_search_needle = str_8bit_create_search_needle;
+    result.release_search_needle = str_8bit_release_search_needle;
+    result.search_first = str_8bit_search_first;
+    result.search_last = str_8bit_search_last;
+    result.compare = str_8bit_compare;
+    result.ncompare = str_8bit_ncompare;
+    result.casecmp = str_8bit_casecmp;
+    result.ncasecmp = str_8bit_ncasecmp;
+    result.prefix = str_8bit_prefix;
+    result.caseprefix = str_8bit_caseprefix;
+    result.create_key = str_8bit_create_key;
+    result.create_key_for_filename = str_8bit_create_key;
+    result.key_collate = str_8bit_key_collate;
+    result.release_key = str_8bit_release_key;
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strutilascii.c b/lib/strutil/strutilascii.c
new file mode 100644
index 0000000..7a8a5ae
--- /dev/null
+++ b/lib/strutil/strutilascii.c
@@ -0,0 +1,783 @@
+/*
+   ASCII strings utilities
+
+   Copyright (C) 2007-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Rostislav Benes, 2007
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+/* using g_ascii function from glib
+ * on terminal are showed only ascii characters (lower than 0x80)
+ */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static const char replch = '?';
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_insert_replace_char (GString * buffer)
+{
+    g_string_append_c (buffer, replch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_is_valid_string (const char *text)
+{
+    (void) text;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_is_valid_char (const char *ch, size_t size)
+{
+    (void) ch;
+    (void) size;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_cnext_char (const char **text)
+{
+    (*text)++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_cprev_char (const char **text)
+{
+    (*text)--;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_cnext_noncomb_char (const char **text)
+{
+    if (*text[0] == '\0')
+        return 0;
+
+    (*text)++;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_cprev_noncomb_char (const char **text, const char *begin)
+{
+    if ((*text) == begin)
+        return 0;
+
+    (*text)--;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_isspace (const char *text)
+{
+    return g_ascii_isspace ((gchar) text[0]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_ispunct (const char *text)
+{
+    return g_ascii_ispunct ((gchar) text[0]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_isalnum (const char *text)
+{
+    return g_ascii_isalnum ((gchar) text[0]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_isdigit (const char *text)
+{
+    return g_ascii_isdigit ((gchar) text[0]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_isprint (const char *text)
+{
+    return g_ascii_isprint ((gchar) text[0]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_iscombiningmark (const char *text)
+{
+    (void) text;
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_toupper (const char *text, char **out, size_t * remain)
+{
+    if (*remain <= 1)
+        return FALSE;
+
+    (*out)[0] = (char) g_ascii_toupper ((gchar) text[0]);
+    (*out)++;
+    (*remain)--;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_ascii_tolower (const char *text, char **out, size_t * remain)
+{
+    if (*remain <= 1)
+        return FALSE;
+
+    (*out)[0] = (char) g_ascii_tolower ((gchar) text[0]);
+    (*out)++;
+    (*remain)--;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_length (const char *text)
+{
+    return strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_length2 (const char *text, int size)
+{
+    return (size >= 0) ? MIN (strlen (text), (gsize) size) : strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gchar *
+str_ascii_conv_gerror_message (GError * mcerror, const char *def_msg)
+{
+    /* the same as str_utf8_conv_gerror_message() */
+    if (mcerror != NULL)
+        return g_strdup (mcerror->message);
+
+    return g_strdup (def_msg != NULL ? def_msg : "");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static estr_t
+str_ascii_vfs_convert_to (GIConv coder, const char *string, int size, GString * buffer)
+{
+    (void) coder;
+    g_string_append_len (buffer, string, size);
+    return ESTR_SUCCESS;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_term_form (const char *text)
+{
+    static char result[BUF_MEDIUM];
+    char *actual;
+    size_t remain;
+    size_t length;
+    size_t pos = 0;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    /* go throw all characters and check, if they are ascii and printable */
+    for (; pos < length && remain > 1; pos++, actual++, remain--)
+    {
+        actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+        actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+    }
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_fit_to_term (const char *text, int width, align_crt_t just_mode)
+{
+    static char result[BUF_MEDIUM];
+    char *actual;
+    size_t remain;
+    int ident = 0;
+    size_t length;
+    size_t pos = 0;
+
+    length = strlen (text);
+    actual = result;
+    remain = sizeof (result);
+
+    if ((int) length <= width)
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER_LEFT:
+        case J_CENTER:
+            ident = (width - length) / 2;
+            break;
+        case J_RIGHT:
+            ident = width - length;
+            break;
+        default:
+            break;
+        }
+
+        /* add space before text */
+        if ((int) remain <= ident)
+            goto finally;
+        memset (actual, ' ', ident);
+        actual += ident;
+        remain -= ident;
+
+        /* copy all characters */
+        for (; pos < (gsize) length && remain > 1; pos++, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+
+        /* add space after text */
+        if (width - length - ident > 0)
+        {
+            if (remain <= width - length - ident)
+                goto finally;
+            memset (actual, ' ', width - length - ident);
+            actual += width - length - ident;
+        }
+    }
+    else if (IS_FIT (just_mode))
+    {
+        /* copy prefix of text, that is not wider than width / 2 */
+        for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+
+        if (remain <= 1)
+            goto finally;
+        actual[0] = '~';
+        actual++;
+        remain--;
+
+        pos += length - width + 1;
+
+        /* copy suffix of text */
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+    }
+    else
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER:
+            ident = (length - width) / 2;
+            break;
+        case J_RIGHT:
+            ident = length - width;
+            break;
+        default:
+            break;
+        }
+
+        /* copy substring text, substring start from ident and take width 
+         * characters from text */
+        pos += ident;
+        for (; pos < (gsize) (ident + width) && remain > 1; pos++, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+
+    }
+
+  finally:
+    if (actual >= result + sizeof (result))
+        actual = result + sizeof (result) - 1;
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_term_trim (const char *text, int width)
+{
+    static char result[BUF_MEDIUM];
+    size_t remain;
+    char *actual;
+    size_t length;
+
+    length = strlen (text);
+    actual = result;
+    remain = sizeof (result);
+
+    if (width > 0)
+    {
+        size_t pos;
+
+        if (width >= (int) length)
+        {
+            /* copy all characters */
+            for (pos = 0; pos < length && remain > 1; pos++, actual++, remain--)
+            {
+                actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+                actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+            }
+        }
+        else if (width <= 3)
+        {
+            memset (actual, '.', width);
+            actual += width;
+        }
+        else
+        {
+            memset (actual, '.', 3);
+            actual += 3;
+            remain -= 3;
+
+            /* copy suffix of text */
+            for (pos = length - width + 3; pos < length && remain > 1; pos++, actual++, remain--)
+            {
+                actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+                actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+            }
+        }
+    }
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_term_width2 (const char *text, size_t length)
+{
+    return (length != (size_t) (-1)) ? MIN (strlen (text), length) : strlen (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_term_width1 (const char *text)
+{
+    return str_ascii_term_width2 (text, (size_t) (-1));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_term_char_width (const char *text)
+{
+    (void) text;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_term_substring (const char *text, int start, int width)
+{
+    static char result[BUF_MEDIUM];
+    size_t remain;
+    char *actual;
+    size_t length;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    if (start < (int) length)
+    {
+        size_t pos;
+
+        /* copy at most width characters from text from start */
+        for (pos = start; pos < length && width > 0 && remain > 1;
+             pos++, width--, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+    }
+
+    /* if text is shorter then width, add space to the end */
+    for (; width > 0 && remain > 1; actual++, remain--, width--)
+        actual[0] = ' ';
+
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_trunc (const char *text, int width)
+{
+    static char result[MC_MAXPATHLEN];
+    int remain;
+    char *actual;
+    size_t pos = 0;
+    size_t length;
+
+    actual = result;
+    remain = sizeof (result);
+    length = strlen (text);
+
+    if ((int) length > width)
+    {
+        /* copy prefix of text */
+        for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+
+        if (remain <= 1)
+            goto finally;
+        actual[0] = '~';
+        actual++;
+        remain--;
+
+        pos += length - width + 1;
+
+        /* copy suffix of text */
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+    }
+    else
+    {
+        /* copy all characters */
+        for (; pos < length && remain > 1; pos++, actual++, remain--)
+        {
+            actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
+            actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
+        }
+    }
+
+  finally:
+    actual[0] = '\0';
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_offset_to_pos (const char *text, size_t length)
+{
+    (void) text;
+    return (int) length;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_column_to_pos (const char *text, size_t pos)
+{
+    (void) text;
+    return (int) pos;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_ascii_create_search_needle (const char *needle, gboolean case_sen)
+{
+    (void) case_sen;
+    return (char *) needle;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_release_search_needle (char *needle, gboolean case_sen)
+{
+    (void) case_sen;
+    (void) needle;
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_search_first (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *fold_search;
+    const char *match;
+
+    fold_text = case_sen ? (char *) text : g_ascii_strdown (text, -1);
+    fold_search = case_sen ? (char *) search : g_ascii_strdown (search, -1);
+
+    match = g_strstr_len (fold_text, -1, fold_search);
+    if (match != NULL)
+    {
+        size_t offset;
+
+        offset = match - fold_text;
+        match = text + offset;
+    }
+
+    if (!case_sen)
+    {
+        g_free (fold_text);
+        g_free (fold_search);
+    }
+
+    return match;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_ascii_search_last (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *fold_search;
+    const char *match;
+
+    fold_text = case_sen ? (char *) text : g_ascii_strdown (text, -1);
+    fold_search = case_sen ? (char *) search : g_ascii_strdown (search, -1);
+
+    match = g_strrstr_len (fold_text, -1, fold_search);
+    if (match != NULL)
+    {
+        size_t offset;
+
+        offset = match - fold_text;
+        match = text + offset;
+    }
+
+    if (!case_sen)
+    {
+        g_free (fold_text);
+        g_free (fold_search);
+    }
+
+    return match;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_compare (const char *t1, const char *t2)
+{
+    return strcmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_ncompare (const char *t1, const char *t2)
+{
+    return strncmp (t1, t2, MIN (strlen (t1), strlen (t2)));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_casecmp (const char *t1, const char *t2)
+{
+    return g_ascii_strcasecmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_ncasecmp (const char *t1, const char *t2)
+{
+    return g_ascii_strncasecmp (t1, t2, MIN (strlen (t1), strlen (t2)));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_fix_string (char *text)
+{
+    for (; text[0] != '\0'; text++)
+        text[0] = ((unsigned char) text[0] < 128) ? text[0] : '?';
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_ascii_create_key (const char *text, gboolean case_sen)
+{
+    (void) case_sen;
+    return (char *) text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_key_collate (const char *t1, const char *t2, gboolean case_sen)
+{
+    return case_sen ? strcmp (t1, t2) : g_ascii_strcasecmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_ascii_release_key (char *key, gboolean case_sen)
+{
+    (void) key;
+    (void) case_sen;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_prefix (const char *text, const char *prefix)
+{
+    int result;
+
+    for (result = 0; text[result] != '\0' && prefix[result] != '\0'
+         && text[result] == prefix[result]; result++);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_ascii_caseprefix (const char *text, const char *prefix)
+{
+    int result;
+
+    for (result = 0; text[result] != '\0' && prefix[result] != '\0'
+         && g_ascii_toupper (text[result]) == g_ascii_toupper (prefix[result]); result++);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+struct str_class
+str_ascii_init (void)
+{
+    struct str_class result;
+
+    result.conv_gerror_message = str_ascii_conv_gerror_message;
+    result.vfs_convert_to = str_ascii_vfs_convert_to;
+    result.insert_replace_char = str_ascii_insert_replace_char;
+    result.is_valid_string = str_ascii_is_valid_string;
+    result.is_valid_char = str_ascii_is_valid_char;
+    result.cnext_char = str_ascii_cnext_char;
+    result.cprev_char = str_ascii_cprev_char;
+    result.cnext_char_safe = str_ascii_cnext_char;
+    result.cprev_char_safe = str_ascii_cprev_char;
+    result.cnext_noncomb_char = str_ascii_cnext_noncomb_char;
+    result.cprev_noncomb_char = str_ascii_cprev_noncomb_char;
+    result.char_isspace = str_ascii_isspace;
+    result.char_ispunct = str_ascii_ispunct;
+    result.char_isalnum = str_ascii_isalnum;
+    result.char_isdigit = str_ascii_isdigit;
+    result.char_isprint = str_ascii_isprint;
+    result.char_iscombiningmark = str_ascii_iscombiningmark;
+    result.char_toupper = str_ascii_toupper;
+    result.char_tolower = str_ascii_tolower;
+    result.length = str_ascii_length;
+    result.length2 = str_ascii_length2;
+    result.length_noncomb = str_ascii_length;
+    result.fix_string = str_ascii_fix_string;
+    result.term_form = str_ascii_term_form;
+    result.fit_to_term = str_ascii_fit_to_term;
+    result.term_trim = str_ascii_term_trim;
+    result.term_width2 = str_ascii_term_width2;
+    result.term_width1 = str_ascii_term_width1;
+    result.term_char_width = str_ascii_term_char_width;
+    result.term_substring = str_ascii_term_substring;
+    result.trunc = str_ascii_trunc;
+    result.offset_to_pos = str_ascii_offset_to_pos;
+    result.column_to_pos = str_ascii_column_to_pos;
+    result.create_search_needle = str_ascii_create_search_needle;
+    result.release_search_needle = str_ascii_release_search_needle;
+    result.search_first = str_ascii_search_first;
+    result.search_last = str_ascii_search_last;
+    result.compare = str_ascii_compare;
+    result.ncompare = str_ascii_ncompare;
+    result.casecmp = str_ascii_casecmp;
+    result.ncasecmp = str_ascii_ncasecmp;
+    result.prefix = str_ascii_prefix;
+    result.caseprefix = str_ascii_caseprefix;
+    result.create_key = str_ascii_create_key;
+    result.create_key_for_filename = str_ascii_create_key;
+    result.key_collate = str_ascii_key_collate;
+    result.release_key = str_ascii_release_key;
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strutilutf8.c b/lib/strutil/strutilutf8.c
new file mode 100644
index 0000000..16725cb
--- /dev/null
+++ b/lib/strutil/strutilutf8.c
@@ -0,0 +1,1519 @@
+/*
+   UTF-8 strings utilities
+
+   Copyright (C) 2007-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Rostislav Benes, 2007
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <langinfo.h>
+#include <limits.h>             /* MB_LEN_MAX */
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+/* using function for utf-8 from glib */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+struct utf8_tool
+{
+    char *actual;
+    size_t remain;
+    const char *checked;
+    int ident;
+    gboolean compose;
+};
+
+struct term_form
+{
+    char text[BUF_MEDIUM * MB_LEN_MAX];
+    size_t width;
+    gboolean compose;
+};
+
+/*** file scope variables ************************************************************************/
+
+static const char replch[] = "\xEF\xBF\xBD";
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_unichar_iscombiningmark (gunichar uni)
+{
+    GUnicodeType type;
+
+    type = g_unichar_type (uni);
+    return (type == G_UNICODE_SPACING_MARK)
+        || (type == G_UNICODE_ENCLOSING_MARK) || (type == G_UNICODE_NON_SPACING_MARK);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_insert_replace_char (GString * buffer)
+{
+    g_string_append (buffer, replch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_is_valid_string (const char *text)
+{
+    return g_utf8_validate (text, -1, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_is_valid_char (const char *ch, size_t size)
+{
+    switch (g_utf8_get_char_validated (ch, size))
+    {
+    case (gunichar) (-2):
+        return (-2);
+    case (gunichar) (-1):
+        return (-1);
+    default:
+        return 1;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_cnext_char (const char **text)
+{
+    (*text) = g_utf8_next_char (*text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_cprev_char (const char **text)
+{
+    (*text) = g_utf8_prev_char (*text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_cnext_char_safe (const char **text)
+{
+    if (str_utf8_is_valid_char (*text, -1) == 1)
+        (*text) = g_utf8_next_char (*text);
+    else
+        (*text)++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_cprev_char_safe (const char **text)
+{
+    const char *result, *t;
+
+    result = g_utf8_prev_char (*text);
+    t = result;
+    str_utf8_cnext_char_safe (&t);
+    if (t == *text)
+        (*text) = result;
+    else
+        (*text)--;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_fix_string (char *text)
+{
+    while (text[0] != '\0')
+    {
+        gunichar uni;
+
+        uni = g_utf8_get_char_validated (text, -1);
+        if ((uni != (gunichar) (-1)) && (uni != (gunichar) (-2)))
+            text = g_utf8_next_char (text);
+        else
+        {
+            text[0] = '?';
+            text++;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_isspace (const char *text)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    return g_unichar_isspace (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_ispunct (const char *text)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    return g_unichar_ispunct (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_isalnum (const char *text)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    return g_unichar_isalnum (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_isdigit (const char *text)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    return g_unichar_isdigit (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_isprint (const char *ch)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (ch, -1);
+    return g_unichar_isprint (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_iscombiningmark (const char *ch)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (ch, -1);
+    return str_unichar_iscombiningmark (uni);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_cnext_noncomb_char (const char **text)
+{
+    int count = 0;
+
+    while ((*text)[0] != '\0')
+    {
+        str_utf8_cnext_char_safe (text);
+        count++;
+        if (!str_utf8_iscombiningmark (*text))
+            break;
+    }
+
+    return count;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_cprev_noncomb_char (const char **text, const char *begin)
+{
+    int count = 0;
+
+    while ((*text) != begin)
+    {
+        str_utf8_cprev_char_safe (text);
+        count++;
+        if (!str_utf8_iscombiningmark (*text))
+            break;
+    }
+
+    return count;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_toupper (const char *text, char **out, size_t * remain)
+{
+    gunichar uni;
+    size_t left;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    if (uni == (gunichar) (-1) || uni == (gunichar) (-2))
+        return FALSE;
+
+    uni = g_unichar_toupper (uni);
+    left = g_unichar_to_utf8 (uni, NULL);
+    if (left >= *remain)
+        return FALSE;
+
+    left = g_unichar_to_utf8 (uni, *out);
+    (*out) += left;
+    (*remain) -= left;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+str_utf8_tolower (const char *text, char **out, size_t * remain)
+{
+    gunichar uni;
+    size_t left;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    if (uni == (gunichar) (-1) || uni == (gunichar) (-2))
+        return FALSE;
+
+    uni = g_unichar_tolower (uni);
+    left = g_unichar_to_utf8 (uni, NULL);
+    if (left >= *remain)
+        return FALSE;
+
+    left = g_unichar_to_utf8 (uni, *out);
+    (*out) += left;
+    (*remain) -= left;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_length (const char *text)
+{
+    int result = 0;
+    const char *start;
+    const char *end;
+
+    start = text;
+    while (!g_utf8_validate (start, -1, &end) && start[0] != '\0')
+    {
+        if (start != end)
+            result += g_utf8_strlen (start, end - start);
+
+        result++;
+        start = end + 1;
+    }
+
+    if (start == text)
+        result = g_utf8_strlen (text, -1);
+    else if (start[0] != '\0' && start != end)
+        result += g_utf8_strlen (start, end - start);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_length2 (const char *text, int size)
+{
+    int result = 0;
+    const char *start;
+    const char *end;
+
+    start = text;
+    while (!g_utf8_validate (start, -1, &end) && start[0] != '\0' && size > 0)
+    {
+        if (start != end)
+        {
+            result += g_utf8_strlen (start, MIN (end - start, size));
+            size -= end - start;
+        }
+        result += (size > 0);
+        size--;
+        start = end + 1;
+    }
+
+    if (start == text)
+        result = g_utf8_strlen (text, size);
+    else if (start[0] != '\0' && start != end && size > 0)
+        result += g_utf8_strlen (start, MIN (end - start, size));
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_length_noncomb (const char *text)
+{
+    int result = 0;
+    const char *t = text;
+
+    while (t[0] != '\0')
+    {
+        str_utf8_cnext_noncomb_char (&t);
+        result++;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#if 0
+static void
+str_utf8_questmark_sustb (char **string, size_t * left, GString * buffer)
+{
+    char *next;
+
+    next = g_utf8_next_char (*string);
+    (*left) -= next - (*string);
+    (*string) = next;
+    g_string_append_c (buffer, '?');
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gchar *
+str_utf8_conv_gerror_message (GError * mcerror, const char *def_msg)
+{
+    if (mcerror != NULL)
+        return g_strdup (mcerror->message);
+
+    return g_strdup (def_msg != NULL ? def_msg : "");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static estr_t
+str_utf8_vfs_convert_to (GIConv coder, const char *string, int size, GString * buffer)
+{
+    estr_t result = ESTR_SUCCESS;
+
+    if (coder == str_cnv_not_convert)
+        g_string_append_len (buffer, string, size);
+    else
+        result = str_nconvert (coder, string, size, buffer);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, that makes string valid in utf8 and all characters printable
+ * return width of string too */
+
+static const struct term_form *
+str_utf8_make_make_term_form (const char *text, size_t length)
+{
+    static struct term_form result;
+    gunichar uni;
+    size_t left;
+    char *actual;
+
+    result.text[0] = '\0';
+    result.width = 0;
+    result.compose = FALSE;
+    actual = result.text;
+
+    /* check if text start with combining character,
+     * add space at begin in this case */
+    if (length != 0 && text[0] != '\0')
+    {
+        uni = g_utf8_get_char_validated (text, -1);
+        if ((uni != (gunichar) (-1)) && (uni != (gunichar) (-2))
+            && str_unichar_iscombiningmark (uni))
+        {
+            actual[0] = ' ';
+            actual++;
+            result.width++;
+            result.compose = TRUE;
+        }
+    }
+
+    while (length != 0 && text[0] != '\0')
+    {
+        uni = g_utf8_get_char_validated (text, -1);
+        if ((uni != (gunichar) (-1)) && (uni != (gunichar) (-2)))
+        {
+            if (g_unichar_isprint (uni))
+            {
+                left = g_unichar_to_utf8 (uni, actual);
+                actual += left;
+                if (str_unichar_iscombiningmark (uni))
+                    result.compose = TRUE;
+                else
+                {
+                    result.width++;
+                    if (g_unichar_iswide (uni))
+                        result.width++;
+                }
+            }
+            else
+            {
+                actual[0] = '.';
+                actual++;
+                result.width++;
+            }
+            text = g_utf8_next_char (text);
+        }
+        else
+        {
+            text++;
+            /*actual[0] = '?'; */
+            memcpy (actual, replch, strlen (replch));
+            actual += strlen (replch);
+            result.width++;
+        }
+
+        if (length != (size_t) (-1))
+            length--;
+    }
+    actual[0] = '\0';
+
+    return &result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_term_form (const char *text)
+{
+    static char result[BUF_MEDIUM * MB_LEN_MAX];
+    const struct term_form *pre_form;
+
+    pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
+    if (pre_form->compose)
+    {
+        char *composed;
+
+        composed = g_utf8_normalize (pre_form->text, -1, G_NORMALIZE_DEFAULT_COMPOSE);
+        g_strlcpy (result, composed, sizeof (result));
+        g_free (composed);
+    }
+    else
+        g_strlcpy (result, pre_form->text, sizeof (result));
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, that copies all characters from checked to actual */
+
+static gboolean
+utf8_tool_copy_chars_to_end (struct utf8_tool *tool)
+{
+    tool->compose = FALSE;
+
+    while (tool->checked[0] != '\0')
+    {
+        gunichar uni;
+        size_t left;
+
+        uni = g_utf8_get_char (tool->checked);
+        tool->compose = tool->compose || str_unichar_iscombiningmark (uni);
+        left = g_unichar_to_utf8 (uni, NULL);
+        if (tool->remain <= left)
+            return FALSE;
+        left = g_unichar_to_utf8 (uni, tool->actual);
+        tool->actual += left;
+        tool->remain -= left;
+        tool->checked = g_utf8_next_char (tool->checked);
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, that copies characters from checked to actual until ident is
+ * smaller than to_ident */
+
+static gboolean
+utf8_tool_copy_chars_to (struct utf8_tool *tool, int to_ident)
+{
+    tool->compose = FALSE;
+
+    while (tool->checked[0] != '\0')
+    {
+        gunichar uni;
+        size_t left;
+        int w = 0;
+
+        uni = g_utf8_get_char (tool->checked);
+        if (str_unichar_iscombiningmark (uni))
+            tool->compose = TRUE;
+        else
+        {
+            w = 1;
+            if (g_unichar_iswide (uni))
+                w++;
+            if (tool->ident + w > to_ident)
+                return TRUE;
+        }
+
+        left = g_unichar_to_utf8 (uni, NULL);
+        if (tool->remain <= left)
+            return FALSE;
+        left = g_unichar_to_utf8 (uni, tool->actual);
+        tool->actual += left;
+        tool->remain -= left;
+        tool->checked = g_utf8_next_char (tool->checked);
+        tool->ident += w;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, adds count spaces to actual */
+
+static int
+utf8_tool_insert_space (struct utf8_tool *tool, int count)
+{
+    if (count <= 0)
+        return 1;
+    if (tool->remain <= (gsize) count)
+        return 0;
+
+    memset (tool->actual, ' ', count);
+    tool->actual += count;
+    tool->remain -= count;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, adds one characters to actual */
+
+static int
+utf8_tool_insert_char (struct utf8_tool *tool, char ch)
+{
+    if (tool->remain <= 1)
+        return 0;
+
+    tool->actual[0] = ch;
+    tool->actual++;
+    tool->remain--;
+    return 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* utility function, thah skips characters from checked until ident is greater or
+ * equal to to_ident */
+
+static gboolean
+utf8_tool_skip_chars_to (struct utf8_tool *tool, int to_ident)
+{
+    gunichar uni;
+
+    while (to_ident > tool->ident && tool->checked[0] != '\0')
+    {
+        uni = g_utf8_get_char (tool->checked);
+        if (!str_unichar_iscombiningmark (uni))
+        {
+            tool->ident++;
+            if (g_unichar_iswide (uni))
+                tool->ident++;
+        }
+        tool->checked = g_utf8_next_char (tool->checked);
+    }
+
+    uni = g_utf8_get_char (tool->checked);
+    while (str_unichar_iscombiningmark (uni))
+    {
+        tool->checked = g_utf8_next_char (tool->checked);
+        uni = g_utf8_get_char (tool->checked);
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+utf8_tool_compose (char *buffer, size_t size)
+{
+    char *composed;
+
+    composed = g_utf8_normalize (buffer, -1, G_NORMALIZE_DEFAULT_COMPOSE);
+    g_strlcpy (buffer, composed, size);
+    g_free (composed);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_fit_to_term (const char *text, int width, align_crt_t just_mode)
+{
+    static char result[BUF_MEDIUM * MB_LEN_MAX];
+    const struct term_form *pre_form;
+    struct utf8_tool tool;
+
+    pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
+    tool.checked = pre_form->text;
+    tool.actual = result;
+    tool.remain = sizeof (result);
+    tool.compose = FALSE;
+
+    if (pre_form->width <= (gsize) width)
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER_LEFT:
+        case J_CENTER:
+            tool.ident = (width - pre_form->width) / 2;
+            break;
+        case J_RIGHT:
+            tool.ident = width - pre_form->width;
+            break;
+        default:
+            tool.ident = 0;
+            break;
+        }
+
+        utf8_tool_insert_space (&tool, tool.ident);
+        utf8_tool_copy_chars_to_end (&tool);
+        utf8_tool_insert_space (&tool, width - pre_form->width - tool.ident);
+    }
+    else if (IS_FIT (just_mode))
+    {
+        tool.ident = 0;
+        utf8_tool_copy_chars_to (&tool, width / 2);
+        utf8_tool_insert_char (&tool, '~');
+
+        tool.ident = 0;
+        utf8_tool_skip_chars_to (&tool, pre_form->width - width + 1);
+        utf8_tool_copy_chars_to_end (&tool);
+        utf8_tool_insert_space (&tool, width - (pre_form->width - tool.ident + 1));
+    }
+    else
+    {
+        switch (HIDE_FIT (just_mode))
+        {
+        case J_CENTER:
+            tool.ident = (width - pre_form->width) / 2;
+            break;
+        case J_RIGHT:
+            tool.ident = width - pre_form->width;
+            break;
+        default:
+            tool.ident = 0;
+            break;
+        }
+
+        utf8_tool_skip_chars_to (&tool, 0);
+        utf8_tool_insert_space (&tool, tool.ident);
+        utf8_tool_copy_chars_to (&tool, width);
+        utf8_tool_insert_space (&tool, width - tool.ident);
+    }
+
+    tool.actual[0] = '\0';
+    if (tool.compose)
+        utf8_tool_compose (result, sizeof (result));
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_term_trim (const char *text, int width)
+{
+    static char result[BUF_MEDIUM * MB_LEN_MAX];
+    const struct term_form *pre_form;
+    struct utf8_tool tool;
+
+    if (width < 1)
+    {
+        result[0] = '\0';
+        return result;
+    }
+
+    pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
+
+    tool.checked = pre_form->text;
+    tool.actual = result;
+    tool.remain = sizeof (result);
+    tool.compose = FALSE;
+
+    if ((gsize) width >= pre_form->width)
+        utf8_tool_copy_chars_to_end (&tool);
+    else if (width <= 3)
+    {
+        memset (tool.actual, '.', width);
+        tool.actual += width;
+        tool.remain -= width;
+    }
+    else
+    {
+        memset (tool.actual, '.', 3);
+        tool.actual += 3;
+        tool.remain -= 3;
+
+        tool.ident = 0;
+        utf8_tool_skip_chars_to (&tool, pre_form->width - width + 3);
+        utf8_tool_copy_chars_to_end (&tool);
+    }
+
+    tool.actual[0] = '\0';
+    if (tool.compose)
+        utf8_tool_compose (result, sizeof (result));
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_term_width2 (const char *text, size_t length)
+{
+    const struct term_form *result;
+
+    result = str_utf8_make_make_term_form (text, length);
+    return result->width;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_term_width1 (const char *text)
+{
+    return str_utf8_term_width2 (text, (size_t) (-1));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_term_char_width (const char *text)
+{
+    gunichar uni;
+
+    uni = g_utf8_get_char_validated (text, -1);
+    return (str_unichar_iscombiningmark (uni)) ? 0 : ((g_unichar_iswide (uni)) ? 2 : 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_term_substring (const char *text, int start, int width)
+{
+    static char result[BUF_MEDIUM * MB_LEN_MAX];
+    const struct term_form *pre_form;
+    struct utf8_tool tool;
+
+    pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
+
+    tool.checked = pre_form->text;
+    tool.actual = result;
+    tool.remain = sizeof (result);
+    tool.compose = FALSE;
+
+    tool.ident = -start;
+    utf8_tool_skip_chars_to (&tool, 0);
+    if (tool.ident < 0)
+        tool.ident = 0;
+    utf8_tool_insert_space (&tool, tool.ident);
+
+    utf8_tool_copy_chars_to (&tool, width);
+    utf8_tool_insert_space (&tool, width - tool.ident);
+
+    tool.actual[0] = '\0';
+    if (tool.compose)
+        utf8_tool_compose (result, sizeof (result));
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_trunc (const char *text, int width)
+{
+    static char result[MC_MAXPATHLEN * MB_LEN_MAX * 2];
+    const struct term_form *pre_form;
+    struct utf8_tool tool;
+
+    pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
+
+    tool.checked = pre_form->text;
+    tool.actual = result;
+    tool.remain = sizeof (result);
+    tool.compose = FALSE;
+
+    if (pre_form->width <= (gsize) width)
+        utf8_tool_copy_chars_to_end (&tool);
+    else
+    {
+        tool.ident = 0;
+        utf8_tool_copy_chars_to (&tool, width / 2);
+        utf8_tool_insert_char (&tool, '~');
+
+        tool.ident = 0;
+        utf8_tool_skip_chars_to (&tool, pre_form->width - width + 1);
+        utf8_tool_copy_chars_to_end (&tool);
+    }
+
+    tool.actual[0] = '\0';
+    if (tool.compose)
+        utf8_tool_compose (result, sizeof (result));
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_offset_to_pos (const char *text, size_t length)
+{
+    if (str_utf8_is_valid_string (text))
+        return g_utf8_offset_to_pointer (text, length) - text;
+    else
+    {
+        int result;
+        GString *buffer;
+
+        buffer = g_string_new (text);
+        str_utf8_fix_string (buffer->str);
+        result = g_utf8_offset_to_pointer (buffer->str, length) - buffer->str;
+        g_string_free (buffer, TRUE);
+        return result;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_column_to_pos (const char *text, size_t pos)
+{
+    int result = 0;
+    int width = 0;
+
+    while (text[0] != '\0')
+    {
+        gunichar uni;
+
+        uni = g_utf8_get_char_validated (text, MB_LEN_MAX);
+        if ((uni != (gunichar) (-1)) && (uni != (gunichar) (-2)))
+        {
+            if (g_unichar_isprint (uni))
+            {
+                if (!str_unichar_iscombiningmark (uni))
+                {
+                    width++;
+                    if (g_unichar_iswide (uni))
+                        width++;
+                }
+            }
+            else
+            {
+                width++;
+            }
+            text = g_utf8_next_char (text);
+        }
+        else
+        {
+            text++;
+            width++;
+        }
+
+        if ((gsize) width > pos)
+            return result;
+
+        result++;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_utf8_create_search_needle (const char *needle, gboolean case_sen)
+{
+    char *fold, *result;
+
+    if (needle == NULL)
+        return NULL;
+
+    if (case_sen)
+        return g_utf8_normalize (needle, -1, G_NORMALIZE_ALL);
+
+    fold = g_utf8_casefold (needle, -1);
+    result = g_utf8_normalize (fold, -1, G_NORMALIZE_ALL);
+    g_free (fold);
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_release_search_needle (char *needle, gboolean case_sen)
+{
+    (void) case_sen;
+    g_free (needle);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_search_first (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *deco_text;
+    const char *match;
+    const char *result = NULL;
+    const char *m;
+
+    fold_text = case_sen ? (char *) text : g_utf8_casefold (text, -1);
+    deco_text = g_utf8_normalize (fold_text, -1, G_NORMALIZE_ALL);
+
+    match = deco_text;
+    do
+    {
+        match = g_strstr_len (match, -1, search);
+        if (match != NULL)
+        {
+            if ((!str_utf8_iscombiningmark (match) || (match == deco_text)) &&
+                !str_utf8_iscombiningmark (match + strlen (search)))
+            {
+                result = text;
+                m = deco_text;
+                while (m < match)
+                {
+                    str_utf8_cnext_noncomb_char (&m);
+                    str_utf8_cnext_noncomb_char (&result);
+                }
+            }
+            else
+                str_utf8_cnext_char (&match);
+        }
+    }
+    while (match != NULL && result == NULL);
+
+    g_free (deco_text);
+    if (!case_sen)
+        g_free (fold_text);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+str_utf8_search_last (const char *text, const char *search, gboolean case_sen)
+{
+    char *fold_text;
+    char *deco_text;
+    char *match;
+    const char *result = NULL;
+    const char *m;
+
+    fold_text = case_sen ? (char *) text : g_utf8_casefold (text, -1);
+    deco_text = g_utf8_normalize (fold_text, -1, G_NORMALIZE_ALL);
+
+    do
+    {
+        match = g_strrstr_len (deco_text, -1, search);
+        if (match != NULL)
+        {
+            if ((!str_utf8_iscombiningmark (match) || (match == deco_text)) &&
+                !str_utf8_iscombiningmark (match + strlen (search)))
+            {
+                result = text;
+                m = deco_text;
+                while (m < match)
+                {
+                    str_utf8_cnext_noncomb_char (&m);
+                    str_utf8_cnext_noncomb_char (&result);
+                }
+            }
+            else
+                match[0] = '\0';
+        }
+    }
+    while (match != NULL && result == NULL);
+
+    g_free (deco_text);
+    if (!case_sen)
+        g_free (fold_text);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_utf8_normalize (const char *text)
+{
+    GString *fixed;
+    char *tmp;
+    char *result;
+    const char *start;
+    const char *end;
+
+    /* g_utf8_normalize() is a heavyweight function, that converts UTF-8 into UCS-4,
+     * does the normalization and then converts UCS-4 back into UTF-8.
+     * Since file names are composed of ASCII characters in most cases, we can speed up
+     * utf8 normalization by checking if the heavyweight Unicode normalization is actually
+     * needed. Normalization of ASCII string is no-op.
+     */
+
+    /* find out whether text is ASCII only */
+    for (end = text; *end != '\0'; end++)
+        if ((*end & 0x80) != 0)
+        {
+            /* found 2nd byte of utf8-encoded symbol */
+            break;
+        }
+
+    /* if text is ASCII-only, return copy, normalize otherwise */
+    if (*end == '\0')
+        return g_strndup (text, end - text);
+
+    fixed = g_string_sized_new (4);
+
+    start = text;
+    while (!g_utf8_validate (start, -1, &end) && start[0] != '\0')
+    {
+        if (start != end)
+        {
+            tmp = g_utf8_normalize (start, end - start, G_NORMALIZE_ALL);
+            g_string_append (fixed, tmp);
+            g_free (tmp);
+        }
+        g_string_append_c (fixed, end[0]);
+        start = end + 1;
+    }
+
+    if (start == text)
+    {
+        result = g_utf8_normalize (text, -1, G_NORMALIZE_ALL);
+        g_string_free (fixed, TRUE);
+    }
+    else
+    {
+        if (start[0] != '\0' && start != end)
+        {
+            tmp = g_utf8_normalize (start, end - start, G_NORMALIZE_ALL);
+            g_string_append (fixed, tmp);
+            g_free (tmp);
+        }
+        result = g_string_free (fixed, FALSE);
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_utf8_casefold_normalize (const char *text)
+{
+    GString *fixed;
+    char *tmp, *fold;
+    char *result;
+    const char *start;
+    const char *end;
+
+    fixed = g_string_sized_new (4);
+
+    start = text;
+    while (!g_utf8_validate (start, -1, &end) && start[0] != '\0')
+    {
+        if (start != end)
+        {
+            fold = g_utf8_casefold (start, end - start);
+            tmp = g_utf8_normalize (fold, -1, G_NORMALIZE_ALL);
+            g_string_append (fixed, tmp);
+            g_free (tmp);
+            g_free (fold);
+        }
+        g_string_append_c (fixed, end[0]);
+        start = end + 1;
+    }
+
+    if (start == text)
+    {
+        fold = g_utf8_casefold (text, -1);
+        result = g_utf8_normalize (fold, -1, G_NORMALIZE_ALL);
+        g_free (fold);
+        g_string_free (fixed, TRUE);
+    }
+    else
+    {
+        if (start[0] != '\0' && start != end)
+        {
+            fold = g_utf8_casefold (start, end - start);
+            tmp = g_utf8_normalize (fold, -1, G_NORMALIZE_ALL);
+            g_string_append (fixed, tmp);
+            g_free (tmp);
+            g_free (fold);
+        }
+        result = g_string_free (fixed, FALSE);
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_compare (const char *t1, const char *t2)
+{
+    char *n1, *n2;
+    int result;
+
+    n1 = str_utf8_normalize (t1);
+    n2 = str_utf8_normalize (t2);
+
+    result = strcmp (n1, n2);
+
+    g_free (n1);
+    g_free (n2);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_ncompare (const char *t1, const char *t2)
+{
+    char *n1, *n2;
+    size_t l1, l2;
+    int result;
+
+    n1 = str_utf8_normalize (t1);
+    n2 = str_utf8_normalize (t2);
+
+    l1 = strlen (n1);
+    l2 = strlen (n2);
+    result = strncmp (n1, n2, MIN (l1, l2));
+
+    g_free (n1);
+    g_free (n2);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_casecmp (const char *t1, const char *t2)
+{
+    char *n1, *n2;
+    int result;
+
+    n1 = str_utf8_casefold_normalize (t1);
+    n2 = str_utf8_casefold_normalize (t2);
+
+    result = strcmp (n1, n2);
+
+    g_free (n1);
+    g_free (n2);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_ncasecmp (const char *t1, const char *t2)
+{
+    char *n1, *n2;
+    size_t l1, l2;
+    int result;
+
+    n1 = str_utf8_casefold_normalize (t1);
+    n2 = str_utf8_casefold_normalize (t2);
+
+    l1 = strlen (n1);
+    l2 = strlen (n2);
+    result = strncmp (n1, n2, MIN (l1, l2));
+
+    g_free (n1);
+    g_free (n2);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_prefix (const char *text, const char *prefix)
+{
+    char *t, *p;
+    const char *nt, *np;
+    const char *nnt, *nnp;
+    int result;
+
+    t = str_utf8_normalize (text);
+    p = str_utf8_normalize (prefix);
+    nt = t;
+    np = p;
+    nnt = t;
+    nnp = p;
+
+    while (nt[0] != '\0' && np[0] != '\0')
+    {
+        str_utf8_cnext_char_safe (&nnt);
+        str_utf8_cnext_char_safe (&nnp);
+        if (nnt - nt != nnp - np)
+            break;
+        if (strncmp (nt, np, nnt - nt) != 0)
+            break;
+        nt = nnt;
+        np = nnp;
+    }
+
+    result = np - p;
+
+    g_free (t);
+    g_free (p);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_caseprefix (const char *text, const char *prefix)
+{
+    char *t, *p;
+    const char *nt, *np;
+    const char *nnt, *nnp;
+    int result;
+
+    t = str_utf8_casefold_normalize (text);
+    p = str_utf8_casefold_normalize (prefix);
+    nt = t;
+    np = p;
+    nnt = t;
+    nnp = p;
+
+    while (nt[0] != '\0' && np[0] != '\0')
+    {
+        str_utf8_cnext_char_safe (&nnt);
+        str_utf8_cnext_char_safe (&nnp);
+        if (nnt - nt != nnp - np)
+            break;
+        if (strncmp (nt, np, nnt - nt) != 0)
+            break;
+        nt = nnt;
+        np = nnp;
+    }
+
+    result = np - p;
+
+    g_free (t);
+    g_free (p);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_utf8_create_key_gen (const char *text, gboolean case_sen,
+                         gchar * (*keygen) (const gchar * text, gssize size))
+{
+    char *result;
+
+    if (case_sen)
+        result = str_utf8_normalize (text);
+    else
+    {
+        gboolean dot;
+        GString *fixed;
+        const char *start, *end;
+        char *fold, *key;
+
+        dot = text[0] == '.';
+        fixed = g_string_sized_new (16);
+
+        if (!dot)
+            start = text;
+        else
+        {
+            start = text + 1;
+            g_string_append_c (fixed, '.');
+        }
+
+        while (!g_utf8_validate (start, -1, &end) && start[0] != '\0')
+        {
+            if (start != end)
+            {
+                fold = g_utf8_casefold (start, end - start);
+                key = keygen (fold, -1);
+                g_string_append (fixed, key);
+                g_free (key);
+                g_free (fold);
+            }
+            g_string_append_c (fixed, end[0]);
+            start = end + 1;
+        }
+
+        if (start == text)
+        {
+            fold = g_utf8_casefold (start, -1);
+            result = keygen (fold, -1);
+            g_free (fold);
+            g_string_free (fixed, TRUE);
+        }
+        else if (dot && (start == text + 1))
+        {
+            fold = g_utf8_casefold (start, -1);
+            key = keygen (fold, -1);
+            g_string_append (fixed, key);
+            g_free (key);
+            g_free (fold);
+            result = g_string_free (fixed, FALSE);
+        }
+        else
+        {
+            if (start[0] != '\0' && start != end)
+            {
+                fold = g_utf8_casefold (start, end - start);
+                key = keygen (fold, -1);
+                g_string_append (fixed, key);
+                g_free (key);
+                g_free (fold);
+            }
+            result = g_string_free (fixed, FALSE);
+        }
+    }
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+str_utf8_create_key (const char *text, gboolean case_sen)
+{
+    return str_utf8_create_key_gen (text, case_sen, g_utf8_collate_key);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef MC__USE_STR_UTF8_CREATE_KEY_FOR_FILENAME
+static char *
+str_utf8_create_key_for_filename (const char *text, gboolean case_sen)
+{
+    return str_utf8_create_key_gen (text, case_sen, g_utf8_collate_key_for_filename);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+str_utf8_key_collate (const char *t1, const char *t2, gboolean case_sen)
+{
+    (void) case_sen;
+    return strcmp (t1, t2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+str_utf8_release_key (char *key, gboolean case_sen)
+{
+    (void) case_sen;
+    g_free (key);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+struct str_class
+str_utf8_init (void)
+{
+    struct str_class result;
+
+    result.conv_gerror_message = str_utf8_conv_gerror_message;
+    result.vfs_convert_to = str_utf8_vfs_convert_to;
+    result.insert_replace_char = str_utf8_insert_replace_char;
+    result.is_valid_string = str_utf8_is_valid_string;
+    result.is_valid_char = str_utf8_is_valid_char;
+    result.cnext_char = str_utf8_cnext_char;
+    result.cprev_char = str_utf8_cprev_char;
+    result.cnext_char_safe = str_utf8_cnext_char_safe;
+    result.cprev_char_safe = str_utf8_cprev_char_safe;
+    result.cnext_noncomb_char = str_utf8_cnext_noncomb_char;
+    result.cprev_noncomb_char = str_utf8_cprev_noncomb_char;
+    result.char_isspace = str_utf8_isspace;
+    result.char_ispunct = str_utf8_ispunct;
+    result.char_isalnum = str_utf8_isalnum;
+    result.char_isdigit = str_utf8_isdigit;
+    result.char_isprint = str_utf8_isprint;
+    result.char_iscombiningmark = str_utf8_iscombiningmark;
+    result.char_toupper = str_utf8_toupper;
+    result.char_tolower = str_utf8_tolower;
+    result.length = str_utf8_length;
+    result.length2 = str_utf8_length2;
+    result.length_noncomb = str_utf8_length_noncomb;
+    result.fix_string = str_utf8_fix_string;
+    result.term_form = str_utf8_term_form;
+    result.fit_to_term = str_utf8_fit_to_term;
+    result.term_trim = str_utf8_term_trim;
+    result.term_width2 = str_utf8_term_width2;
+    result.term_width1 = str_utf8_term_width1;
+    result.term_char_width = str_utf8_term_char_width;
+    result.term_substring = str_utf8_term_substring;
+    result.trunc = str_utf8_trunc;
+    result.offset_to_pos = str_utf8_offset_to_pos;
+    result.column_to_pos = str_utf8_column_to_pos;
+    result.create_search_needle = str_utf8_create_search_needle;
+    result.release_search_needle = str_utf8_release_search_needle;
+    result.search_first = str_utf8_search_first;
+    result.search_last = str_utf8_search_last;
+    result.compare = str_utf8_compare;
+    result.ncompare = str_utf8_ncompare;
+    result.casecmp = str_utf8_casecmp;
+    result.ncasecmp = str_utf8_ncasecmp;
+    result.prefix = str_utf8_prefix;
+    result.caseprefix = str_utf8_caseprefix;
+    result.create_key = str_utf8_create_key;
+#ifdef MC__USE_STR_UTF8_CREATE_KEY_FOR_FILENAME
+    /* case insensitive sort files in "a1 a2 a10" order */
+    result.create_key_for_filename = str_utf8_create_key_for_filename;
+#else
+    /* case insensitive sort files in "a1 a10 a2" order */
+    result.create_key_for_filename = str_utf8_create_key;
+#endif
+    result.key_collate = str_utf8_key_collate;
+    result.release_key = str_utf8_release_key;
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/strverscmp.c b/lib/strutil/strverscmp.c
new file mode 100644
index 0000000..50f7f56
--- /dev/null
+++ b/lib/strutil/strverscmp.c
@@ -0,0 +1,158 @@
+/*
+   Compare strings while treating digits characters numerically.
+
+   Copyright (C) 1997-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+   Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#ifdef HAVE_STRVERSCMP
+#include <string.h>
+#endif /* HAVE_STRVERSCMP */
+
+#include "lib/strutil.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifndef HAVE_STRVERSCMP
+
+/* states: S_N: normal, S_I: comparing integral part, S_F: comparing
+   fractional parts, S_Z: idem but with leading Zeroes only */
+#define  S_N    0x0
+#define  S_I    0x3
+#define  S_F    0x6
+#define  S_Z    0x9
+
+/* result_type: CMP: return diff; LEN: compare using len_diff/diff */
+#define  CMP    2
+#define  LEN    3
+
+#endif /* HAVE_STRVERSCMP */
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/* Compare S1 and S2 as strings holding indices/version numbers,
+   returning less than, equal to or greater than zero if S1 is less than,
+   equal to or greater than S2 (for more info, see the texinfo doc).
+ */
+int
+str_verscmp (const char *s1, const char *s2)
+{
+#ifdef HAVE_STRVERSCMP
+    return strverscmp (s1, s2);
+
+#else /* HAVE_STRVERSCMP */
+    const unsigned char *p1 = (const unsigned char *) s1;
+    const unsigned char *p2 = (const unsigned char *) s2;
+    unsigned char c1, c2;
+    int state;
+    int diff;
+
+    /* *INDENT-OFF* */
+    /* Symbol(s)    0       [1-9]   others
+       Transition   (10) 0  (01) d  (00) x   */
+    static const unsigned char next_state[] =
+    {
+        /* state    x    d    0  */
+        /* S_N */ S_N, S_I, S_Z,
+        /* S_I */ S_N, S_I, S_I,
+        /* S_F */ S_N, S_F, S_F,
+        /* S_Z */ S_N, S_F, S_Z
+    };
+
+    static const signed char result_type[] =
+    {
+        /* state  x/x  x/d  x/0  d/x  d/d  d/0  0/x  0/d  0/0  */
+
+        /* S_N */ CMP, CMP, CMP, CMP, LEN, CMP, CMP, CMP, CMP,
+        /* S_I */ CMP,  -1,  -1,  +1, LEN, LEN,  +1, LEN, LEN,
+        /* S_F */ CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
+        /* S_Z */ CMP,  +1,  +1,  -1, CMP, CMP,  -1, CMP, CMP
+    };
+    /* *INDENT-ON* */
+
+    if (p1 == p2)
+        return 0;
+
+    c1 = *p1++;
+    c2 = *p2++;
+    /* Hint: '0' is a digit too.  */
+    state = S_N + ((c1 == '0') + (isdigit (c1) != 0));
+
+    while ((diff = c1 - c2) == 0)
+    {
+        if (c1 == '\0')
+            return diff;
+
+        state = next_state[state];
+        c1 = *p1++;
+        c2 = *p2++;
+        state += (c1 == '0') + (isdigit (c1) != 0);
+    }
+
+    state = result_type[state * 3 + (((c2 == '0') + (isdigit (c2) != 0)))];
+
+    switch (state)
+    {
+    case CMP:
+        return diff;
+
+    case LEN:
+        while (isdigit (*p1++))
+            if (!isdigit (*p2++))
+                return 1;
+
+        return isdigit (*p2) ? -1 : diff;
+
+    default:
+        return state;
+    }
+#endif /* HAVE_STRVERSCMP */
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/strutil/xstrtol.c b/lib/strutil/xstrtol.c
new file mode 100644
index 0000000..b755be3
--- /dev/null
+++ b/lib/strutil/xstrtol.c
@@ -0,0 +1,256 @@
+/* A more useful interface to strtol.
+
+   Copyright (C) 1995-2022
+   Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering. */
+
+#include <config.h>
+
+/* Some pre-ANSI implementations (e.g. SunOS 4)
+   need stderr defined if assertion checking is enabled.  */
+#include <stdio.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/strutil.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static strtol_error_t
+bkm_scale (uintmax_t * x, int scale_factor)
+{
+    if (UINTMAX_MAX / scale_factor < *x)
+    {
+        *x = UINTMAX_MAX;
+        return LONGINT_OVERFLOW;
+    }
+
+    *x *= scale_factor;
+    return LONGINT_OK;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static strtol_error_t
+bkm_scale_by_power (uintmax_t * x, int base, int power)
+{
+    strtol_error_t err = LONGINT_OK;
+    while (power-- != 0)
+        err |= bkm_scale (x, base);
+    return err;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+strtol_error_t
+xstrtoumax (const char *s, char **ptr, int base, uintmax_t * val, const char *valid_suffixes)
+{
+    char *t_ptr;
+    char **p;
+    uintmax_t tmp;
+    strtol_error_t err = LONGINT_OK;
+
+    g_assert (0 <= base && base <= 36);
+
+    p = (ptr != NULL ? ptr : &t_ptr);
+
+    {
+        const char *q = s;
+        unsigned char ch = *q;
+
+        while (isspace (ch))
+            ch = *++q;
+
+        if (ch == '-')
+            return LONGINT_INVALID;
+    }
+
+    errno = 0;
+    tmp = strtol (s, p, base);
+
+    if (*p == s)
+    {
+        /* If there is no number but there is a valid suffix, assume the
+           number is 1.  The string is invalid otherwise.  */
+        if (valid_suffixes != NULL && **p != '\0' && strchr (valid_suffixes, **p) != NULL)
+            tmp = 1;
+        else
+            return LONGINT_INVALID;
+    }
+    else if (errno != 0)
+    {
+        if (errno != ERANGE)
+            return LONGINT_INVALID;
+        err = LONGINT_OVERFLOW;
+    }
+
+    /* Let valid_suffixes == NULL mean "allow any suffix".  */
+    /* FIXME: update all callers except the ones that allow suffixes
+       after the number, changing last parameter NULL to "".  */
+    if (valid_suffixes == NULL)
+    {
+        *val = tmp;
+        return err;
+    }
+
+    if (**p != '\0')
+    {
+        int suffixes = 1;
+        strtol_error_t overflow;
+
+        if (strchr (valid_suffixes, **p) == NULL)
+        {
+            *val = tmp;
+            return err | LONGINT_INVALID_SUFFIX_CHAR;
+        }
+
+        base = 1024;
+
+        switch (**p)
+        {
+        case 'E':
+        case 'G':
+        case 'g':
+        case 'k':
+        case 'K':
+        case 'M':
+        case 'm':
+        case 'P':
+        case 'T':
+        case 't':
+        case 'Y':
+        case 'Z':
+            if (strchr (valid_suffixes, '0') != NULL)
+            {
+                /* The "valid suffix" '0' is a special flag meaning that
+                   an optional second suffix is allowed, which can change
+                   the base.  A suffix "B" (e.g. "100MB") stands for a power
+                   of 1000, whereas a suffix "iB" (e.g. "100MiB") stands for
+                   a power of 1024.  If no suffix (e.g. "100M"), assume
+                   power-of-1024.  */
+
+                switch (p[0][1])
+                {
+                case 'i':
+                    if (p[0][2] == 'B')
+                        suffixes += 2;
+                    break;
+
+                case 'B':
+                case 'D':      /* 'D' is obsolescent */
+                    base = 1000;
+                    suffixes++;
+                    break;
+                default:
+                    break;
+                }
+            }
+            break;
+        default:
+            break;
+        }
+
+        switch (**p)
+        {
+        case 'b':
+            overflow = bkm_scale (&tmp, 512);
+            break;
+
+        case 'B':
+            /* This obsolescent first suffix is distinct from the 'B'
+               second suffix above.  E.g., 'tar -L 1000B' means change
+               the tape after writing 1000 KiB of data.  */
+            overflow = bkm_scale (&tmp, 1024);
+            break;
+
+        case 'c':
+            overflow = LONGINT_OK;
+            break;
+
+        case 'E':              /* exa or exbi */
+            overflow = bkm_scale_by_power (&tmp, base, 6);
+            break;
+
+        case 'G':              /* giga or gibi */
+        case 'g':              /* 'g' is undocumented; for compatibility only */
+            overflow = bkm_scale_by_power (&tmp, base, 3);
+            break;
+
+        case 'k':              /* kilo */
+        case 'K':              /* kibi */
+            overflow = bkm_scale_by_power (&tmp, base, 1);
+            break;
+
+        case 'M':              /* mega or mebi */
+        case 'm':              /* 'm' is undocumented; for compatibility only */
+            overflow = bkm_scale_by_power (&tmp, base, 2);
+            break;
+
+        case 'P':              /* peta or pebi */
+            overflow = bkm_scale_by_power (&tmp, base, 5);
+            break;
+
+        case 'T':              /* tera or tebi */
+        case 't':              /* 't' is undocumented; for compatibility only */
+            overflow = bkm_scale_by_power (&tmp, base, 4);
+            break;
+
+        case 'w':
+            overflow = bkm_scale (&tmp, 2);
+            break;
+
+        case 'Y':              /* yotta or 2**80 */
+            overflow = bkm_scale_by_power (&tmp, base, 8);
+            break;
+
+        case 'Z':              /* zetta or 2**70 */
+            overflow = bkm_scale_by_power (&tmp, base, 7);
+            break;
+
+        default:
+            *val = tmp;
+            return err | LONGINT_INVALID_SUFFIX_CHAR;
+        }
+
+        err |= overflow;
+        *p += suffixes;
+        if (**p != '\0')
+            err |= LONGINT_INVALID_SUFFIX_CHAR;
+    }
+
+    *val = tmp;
+    return err;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/timefmt.c b/lib/timefmt.c
new file mode 100644
index 0000000..0866d2b
--- /dev/null
+++ b/lib/timefmt.c
@@ -0,0 +1,152 @@
+/*
+   Time formatting functions
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1994, 1995, 1996
+   Janne Kukonlehto, 1994, 1995, 1996
+   Dugan Porter, 1994, 1995, 1996
+   Jakub Jelinek, 1994, 1995, 1996
+   Mauricio Plaza, 1994, 1995, 1996
+
+   The file_date routine is mostly from GNU's fileutils package,
+   written by Richard Stallman and David MacKenzie.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: time formatting functions
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <limits.h>             /* MB_LEN_MAX */
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+#include "lib/timefmt.h"
+
+/*** global variables ****************************************************************************/
+
+char *user_recent_timeformat = NULL;    /* time format string for recent dates */
+char *user_old_timeformat = NULL;       /* time format string for older dates */
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*
+ * Cache variable for the i18n_checktimelength function,
+ * initially set to a clearly invalid value to show that
+ * it hasn't been initialized yet.
+ */
+static size_t i18n_timelength_cache = MAX_I18NTIMELENGTH + 1;
+
+/*** file scope functions ************************************************************************/
+
+/*** public functions ****************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check strftime() results. Some systems (i.e. Solaris) have different
+ *  short-month and month name sizes for different locales
+ */
+size_t
+i18n_checktimelength (void)
+{
+    size_t length = 0;
+    time_t testtime;
+    struct tm *lt;
+
+    if (i18n_timelength_cache <= MAX_I18NTIMELENGTH)
+        return i18n_timelength_cache;
+
+    testtime = time (NULL);
+    lt = localtime (&testtime);
+
+    if (lt == NULL)
+    {
+        /* huh, localtime() doesnt seem to work ... falling back to "(invalid)" */
+        length = str_term_width1 (_(INVALID_TIME_TEXT));
+    }
+    else
+    {
+        char buf[MB_LEN_MAX * MAX_I18NTIMELENGTH + 1];
+        size_t tlen;
+
+        /* We are interested in the longest possible date */
+        lt->tm_sec = lt->tm_min = lt->tm_hour = lt->tm_mday = 10;
+
+        /* Loop through all months to find out the longest one */
+        for (lt->tm_mon = 0; lt->tm_mon < 12; lt->tm_mon++)
+        {
+            strftime (buf, sizeof (buf) - 1, user_recent_timeformat, lt);
+            tlen = (size_t) str_term_width1 (buf);
+            length = MAX (tlen, length);
+            strftime (buf, sizeof (buf) - 1, user_old_timeformat, lt);
+            tlen = (size_t) str_term_width1 (buf);
+            length = MAX (tlen, length);
+        }
+
+        tlen = (size_t) str_term_width1 (_(INVALID_TIME_TEXT));
+        length = MAX (tlen, length);
+    }
+
+    /* Don't handle big differences. Use standard value (email bug, please) */
+    if (length > MAX_I18NTIMELENGTH || length < MIN_I18NTIMELENGTH)
+        length = STD_I18NTIMELENGTH;
+
+    /* Save obtained value to the cache */
+    i18n_timelength_cache = length;
+
+    return i18n_timelength_cache;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+file_date (time_t when)
+{
+    static char timebuf[MB_LEN_MAX * MAX_I18NTIMELENGTH + 1];
+    time_t current_time = time (NULL);
+    const char *fmt;
+
+    if (current_time > when + 6L * 30L * 24L * 60L * 60L        /* Old. */
+        || current_time < when - 60L * 60L)     /* In the future. */
+        /* The file is fairly old or in the future.
+           POSIX says the cutoff is 6 months old;
+           approximate this by 6*30 days.
+           Allow a 1 hour slop factor for what is considered "the future",
+           to allow for NFS server/client clock disagreement.
+           Show the year instead of the time of day.  */
+
+        fmt = user_old_timeformat;
+    else
+        fmt = user_recent_timeformat;
+
+    FMT_LOCALTIME (timebuf, sizeof (timebuf), fmt, when);
+
+    return timebuf;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/timefmt.h b/lib/timefmt.h
new file mode 100644
index 0000000..d2bf191
--- /dev/null
+++ b/lib/timefmt.h
@@ -0,0 +1,59 @@
+
+/** \file timefmt.h
+ *  \brief Header: time formating functions
+ */
+
+#ifndef MC__UTIL_TIMEFMT_H
+#define MC__UTIL_TIMEFMT_H
+
+#include <sys/time.h>
+#include <sys/types.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define MAX_I18NTIMELENGTH 20
+#define MIN_I18NTIMELENGTH 10
+#define STD_I18NTIMELENGTH 12
+
+#define INVALID_TIME_TEXT "(invalid)"
+
+/* safe localtime formatting - strftime()-using version */
+#define FMT_LOCALTIME(buffer, bufsize, fmt, when)               \
+    {                                                           \
+        struct tm *whentm;                                      \
+        whentm = localtime(&when);                              \
+        if (whentm == NULL)                                     \
+        {                                                       \
+            strncpy(buffer, INVALID_TIME_TEXT, bufsize);        \
+            buffer[bufsize-1] = 0;                              \
+        }                                                       \
+        else                                                    \
+        {                                                       \
+            strftime(buffer, bufsize, fmt, whentm);             \
+        }                                                       \
+    }                                                           \
+
+#define FMT_LOCALTIME_CURRENT(buffer, bufsize, fmt)             \
+    {                                                           \
+        time_t __current_time;                                  \
+        time(&__current_time);                                  \
+        FMT_LOCALTIME(buffer,bufsize,fmt,__current_time);       \
+    }
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+extern char *user_recent_timeformat;    /* time format string for recent dates */
+extern char *user_old_timeformat;       /* time format string for older dates */
+
+/*** declarations of public functions ************************************************************/
+
+size_t i18n_checktimelength (void);
+const char *file_date (time_t when);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__UTIL_TIMEFMT_H */
diff --git a/lib/tty/Makefile.am b/lib/tty/Makefile.am
new file mode 100644
index 0000000..d4260fe
--- /dev/null
+++ b/lib/tty/Makefile.am
@@ -0,0 +1,36 @@
+
+noinst_LTLIBRARIES = libmctty.la
+
+if USE_SCREEN_SLANG
+    TTY_SCREEN_SRC = \
+	color-slang.c color-slang.h \
+	tty-slang.c tty-slang.h
+else
+    TTY_SCREEN_SRC = \
+	color-ncurses.c \
+	tty-ncurses.c tty-ncurses.h
+endif
+
+TTY_SRC = \
+	color-internal.c color-internal.h \
+	color.c color.h \
+	key.c key.h keyxdef.c \
+	mouse.c mouse.h \
+	tty-internal.c tty-internal.h \
+	tty.c tty.h \
+	win.c win.h
+
+if HAVE_TEXTMODE_X11_SUPPORT
+TTY_SRC += x11conn.c x11conn.h
+endif
+
+libmctty_la_SOURCES = $(TTY_SRC) $(TTY_SCREEN_SRC)
+
+AM_CPPFLAGS = -I$(top_srcdir)
+
+if HAVE_GMODULE
+AM_CPPFLAGS += $(GMODULE_CFLAGS)
+else
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+endif
+
diff --git a/lib/tty/Makefile.in b/lib/tty/Makefile.in
new file mode 100644
index 0000000..bf37a36
--- /dev/null
+++ b/lib/tty/Makefile.in
@@ -0,0 +1,800 @@
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+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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diff --git a/lib/tty/color-internal.c b/lib/tty/color-internal.c
new file mode 100644
index 0000000..a877143
--- /dev/null
+++ b/lib/tty/color-internal.c
@@ -0,0 +1,242 @@
+/*
+   Internal stuff of color setup
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009
+   Slava Zanko <slavazanko@gmail.com>, 2009, 2013
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file color-internal.c
+ *  \brief Source: Internal stuff of color setup
+ */
+
+#include <config.h>
+
+#include <string.h>             /* strcmp */
+
+#include "color.h"              /* colors and attributes */
+#include "color-internal.h"
+
+/*** global variables ****************************************************************************/
+
+gboolean mc_tty_color_disable;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define COLOR_INTENSITY 8
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct mc_tty_color_table_struct
+{
+    const char *name;
+    int value;
+} mc_tty_color_table_t;
+
+/*** file scope variables ************************************************************************/
+
+static mc_tty_color_table_t const color_table[] = {
+    {"black", COLOR_BLACK},
+    {"gray", COLOR_BLACK + COLOR_INTENSITY},
+    {"red", COLOR_RED},
+    {"brightred", COLOR_RED + COLOR_INTENSITY},
+    {"green", COLOR_GREEN},
+    {"brightgreen", COLOR_GREEN + COLOR_INTENSITY},
+    {"brown", COLOR_YELLOW},
+    {"yellow", COLOR_YELLOW + COLOR_INTENSITY},
+    {"blue", COLOR_BLUE},
+    {"brightblue", COLOR_BLUE + COLOR_INTENSITY},
+    {"magenta", COLOR_MAGENTA},
+    {"brightmagenta", COLOR_MAGENTA + COLOR_INTENSITY},
+    {"cyan", COLOR_CYAN},
+    {"brightcyan", COLOR_CYAN + COLOR_INTENSITY},
+    {"lightgray", COLOR_WHITE},
+    {"white", COLOR_WHITE + COLOR_INTENSITY},
+    {"default", -1},            /* default color of the terminal */
+    /* special colors */
+    {"A_REVERSE", SPEC_A_REVERSE},
+    {"A_BOLD", SPEC_A_BOLD},
+    {"A_BOLD_REVERSE", SPEC_A_BOLD_REVERSE},
+    {"A_UNDERLINE", SPEC_A_UNDERLINE},
+    /* End of list */
+    {NULL, 0}
+};
+
+static mc_tty_color_table_t const attributes_table[] = {
+    {"bold", A_BOLD},
+#ifdef A_ITALIC                 /* available since ncurses-5.9-20130831 / slang-pre2.3.0-107 */
+    {"italic", A_ITALIC},
+#endif /* A_ITALIC */
+    {"underline", A_UNDERLINE},
+    {"reverse", A_REVERSE},
+    {"blink", A_BLINK},
+    /* End of list */
+    {NULL, 0}
+};
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static inline int
+parse_hex_digit (char c)
+{
+    if (c >= '0' && c <= '9')
+        return c - '0';
+    c |= 0x20;
+    if (c >= 'a' && c <= 'f')
+        return c - 'a' + 10;
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+parse_256_or_true_color_name (const char *color_name)
+{
+    int i;
+    char dummy;
+
+    /* cppcheck-suppress invalidscanf */
+    if (sscanf (color_name, "color%d%c", &i, &dummy) == 1 && i >= 0 && i < 256)
+    {
+        return i;
+    }
+    /* cppcheck-suppress invalidscanf */
+    if (sscanf (color_name, "gray%d%c", &i, &dummy) == 1 && i >= 0 && i < 24)
+    {
+        return 232 + i;
+    }
+    if (strncmp (color_name, "rgb", 3) == 0 &&
+        color_name[3] >= '0' && color_name[3] < '6' &&
+        color_name[4] >= '0' && color_name[4] < '6' &&
+        color_name[5] >= '0' && color_name[5] < '6' && color_name[6] == '\0')
+    {
+        return 16 + 36 * (color_name[3] - '0') + 6 * (color_name[4] - '0') + (color_name[5] - '0');
+    }
+    if (color_name[0] == '#')
+    {
+        int len;
+
+        color_name++;
+        len = (int) strlen (color_name);
+        if (len == 3 || len == 6)
+        {
+            int h[6];
+
+            for (i = 0; i < len; i++)
+            {
+                h[i] = parse_hex_digit (color_name[i]);
+                if (h[i] == -1)
+                    return -1;
+            }
+
+            if (i == 3)
+                i = (h[0] << 20) | (h[0] << 16) | (h[1] << 12) | (h[1] << 8) | (h[2] << 4) | h[2];
+            else
+                i = (h[0] << 20) | (h[1] << 16) | (h[2] << 12) | (h[3] << 8) | (h[4] << 4) | h[5];
+            return (1 << 24) | i;
+        }
+    }
+
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+tty_color_get_name_by_index (int idx)
+{
+    int i;
+
+    /* Find the real English name of the first 16 colors, */
+    /* as well as the A_* special values. */
+    for (i = 0; color_table[i].name != NULL; i++)
+        if (idx == color_table[i].value)
+            return color_table[i].name;
+
+    /* Create and return the strings in "colorNNN" or "#rrggbb" format. */
+    if ((idx >= 16 && idx < 256) || (idx & (1 << 24)) != 0)
+    {
+        char name[9];
+
+        if (idx < 256)
+            sprintf (name, "color%d", idx);
+        else
+            sprintf (name, "#%06X", (unsigned int) idx & 0xFFFFFF);
+        return g_intern_string (name);
+    }
+    return "default";
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_color_get_index_by_name (const char *color_name)
+{
+    if (color_name != NULL)
+    {
+        size_t i;
+
+        for (i = 0; color_table[i].name != NULL; i++)
+            if (strcmp (color_name, color_table[i].name) == 0)
+                return color_table[i].value;
+        return parse_256_or_true_color_name (color_name);
+    }
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_attr_get_bits (const char *attrs)
+{
+    int attr_bits = 0;
+
+    if (attrs != NULL)
+    {
+        gchar **attr_list;
+        int i;
+
+        attr_list = g_strsplit (attrs, "+", -1);
+
+        for (i = 0; attr_list[i] != NULL; i++)
+        {
+            int j;
+
+            for (j = 0; attributes_table[j].name != NULL; j++)
+            {
+                if (strcmp (attr_list[i], attributes_table[j].name) == 0)
+                {
+                    attr_bits |= attributes_table[j].value;
+                    break;
+                }
+            }
+        }
+        g_strfreev (attr_list);
+    }
+    return attr_bits;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/color-internal.h b/lib/tty/color-internal.h
new file mode 100644
index 0000000..dc85225
--- /dev/null
+++ b/lib/tty/color-internal.h
@@ -0,0 +1,61 @@
+
+/** \file color-internal.h
+ *  \brief Header: Internal stuff of color setup
+ */
+
+#ifndef MC__COLOR_INTERNAL_H
+#define MC__COLOR_INTERNAL_H
+
+#include <sys/types.h>          /* size_t */
+
+#include "lib/global.h"
+
+#ifdef HAVE_SLANG
+#include "tty-slang.h"
+#else
+#include "tty-ncurses.h"
+#endif /* HAVE_SLANG */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/* *INDENT-OFF* */
+typedef enum {
+    SPEC_A_REVERSE              = -100,
+    SPEC_A_BOLD                 = -101,
+    SPEC_A_BOLD_REVERSE         = -102,
+    SPEC_A_UNDERLINE            = -103
+} tty_special_color_t;
+/* *INDENT-ON* */
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_color_pair_struct
+{
+    int ifg;
+    int ibg;
+    int attr;
+    size_t pair_index;
+    gboolean is_temp;
+} tty_color_pair_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern gboolean use_colors;
+extern gboolean mc_tty_color_disable;
+
+/*** declarations of public functions ************************************************************/
+
+const char *tty_color_get_name_by_index (int idx);
+int tty_color_get_index_by_name (const char *color_name);
+int tty_attr_get_bits (const char *attrs);
+
+void tty_color_init_lib (gboolean disable, gboolean force);
+void tty_color_deinit_lib (void);
+
+void tty_color_try_alloc_pair_lib (tty_color_pair_t * mc_color_pair);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__COLOR_INTERNAL_H */
diff --git a/lib/tty/color-ncurses.c b/lib/tty/color-ncurses.c
new file mode 100644
index 0000000..697ab98
--- /dev/null
+++ b/lib/tty/color-ncurses.c
@@ -0,0 +1,248 @@
+/*
+   Color setup for NCurses screen library
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009
+   Slava Zanko <slavazanko@gmail.com>, 2010
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file color-ncurses.c
+ *  \brief Source: NCUrses-specific color setup
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>          /* size_t */
+
+#include "lib/global.h"
+
+#include "tty-ncurses.h"
+#include "color.h"              /* variables */
+#include "color-internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static GHashTable *mc_tty_color_color_pair_attrs = NULL;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+mc_tty_color_attr_destroy_cb (gpointer data)
+{
+    g_free (data);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_tty_color_save_attr (int color_pair, int color_attr)
+{
+    int *attr, *key;
+
+    attr = g_try_new0 (int, 1);
+    if (attr == NULL)
+        return;
+
+    key = g_try_new (int, 1);
+    if (key == NULL)
+    {
+        g_free (attr);
+        return;
+    }
+
+    *key = color_pair;
+    *attr = color_attr;
+
+    g_hash_table_replace (mc_tty_color_color_pair_attrs, (gpointer) key, (gpointer) attr);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+color_get_attr (int color_pair)
+{
+    int *fnd = NULL;
+
+    if (mc_tty_color_color_pair_attrs != NULL)
+        fnd = (int *) g_hash_table_lookup (mc_tty_color_color_pair_attrs, (gpointer) & color_pair);
+    return (fnd != NULL) ? *fnd : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_tty_color_pair_init_special (tty_color_pair_t * mc_color_pair,
+                                int fg1, int bg1, int fg2, int bg2, int attr)
+{
+    if (has_colors () && !mc_tty_color_disable)
+        init_pair (mc_color_pair->pair_index, fg1, bg1);
+    else
+        init_pair (mc_color_pair->pair_index, fg2, bg2);
+    mc_tty_color_save_attr (mc_color_pair->pair_index, attr);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_init_lib (gboolean disable, gboolean force)
+{
+    (void) force;
+
+    if (has_colors () && !disable)
+    {
+        use_colors = TRUE;
+        start_color ();
+        use_default_colors ();
+    }
+
+    mc_tty_color_color_pair_attrs = g_hash_table_new_full
+        (g_int_hash, g_int_equal, mc_tty_color_attr_destroy_cb, mc_tty_color_attr_destroy_cb);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_deinit_lib (void)
+{
+    g_hash_table_destroy (mc_tty_color_color_pair_attrs);
+    mc_tty_color_color_pair_attrs = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_try_alloc_pair_lib (tty_color_pair_t * mc_color_pair)
+{
+    if (mc_color_pair->ifg <= (int) SPEC_A_REVERSE)
+    {
+        switch (mc_color_pair->ifg)
+        {
+        case SPEC_A_REVERSE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            COLOR_BLACK, COLOR_WHITE,
+                                            COLOR_BLACK, COLOR_WHITE | A_BOLD, A_REVERSE);
+            break;
+        case SPEC_A_BOLD:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            COLOR_WHITE, COLOR_BLACK,
+                                            COLOR_WHITE, COLOR_BLACK, A_BOLD);
+            break;
+        case SPEC_A_BOLD_REVERSE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            COLOR_WHITE, COLOR_WHITE,
+                                            COLOR_WHITE, COLOR_WHITE, A_BOLD | A_REVERSE);
+            break;
+        case SPEC_A_UNDERLINE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            COLOR_WHITE, COLOR_BLACK,
+                                            COLOR_WHITE, COLOR_BLACK, A_UNDERLINE);
+            break;
+        default:
+            break;
+        }
+    }
+    else
+    {
+        int ifg, ibg, attr;
+
+        ifg = mc_color_pair->ifg;
+        ibg = mc_color_pair->ibg;
+        attr = mc_color_pair->attr;
+
+        /* In legacy color mode, change bright colors into bold */
+        if (!tty_use_256colors (NULL) && !tty_use_truecolors (NULL))
+        {
+            if (ifg >= 8 && ifg < 16)
+            {
+                ifg &= 0x07;
+                attr |= A_BOLD;
+            }
+
+            if (ibg >= 8 && ibg < 16)
+            {
+                ibg &= 0x07;
+                /* attr | = A_BOLD | A_REVERSE ; */
+            }
+        }
+
+        init_pair (mc_color_pair->pair_index, ifg, ibg);
+        mc_tty_color_save_attr (mc_color_pair->pair_index, attr);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_setcolor (int color)
+{
+    attrset (COLOR_PAIR (color) | color_get_attr (color));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_lowlevel_setcolor (int color)
+{
+    tty_setcolor (color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_set_normal_attrs (void)
+{
+    standend ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_use_256colors (GError ** error)
+{
+    (void) error;
+
+    return (COLORS == 256);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_use_truecolors (GError ** error)
+{
+    /* Not yet supported in ncurses */
+    g_set_error (error, MC_ERROR, -1, _("True color not supported with ncurses."));
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/color-slang.c b/lib/tty/color-slang.c
new file mode 100644
index 0000000..412128c
--- /dev/null
+++ b/lib/tty/color-slang.c
@@ -0,0 +1,257 @@
+/*
+   Color setup for S_Lang screen library
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file color-slang.c
+ *  \brief Source: S-Lang-specific color setup
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>          /* size_t */
+
+#include "lib/global.h"
+#include "lib/util.h"           /* whitespace() */
+
+#include "tty-slang.h"
+#include "color.h"              /* variables */
+#include "color-internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+has_colors (gboolean disable, gboolean force)
+{
+    mc_tty_color_disable = disable;
+
+    if (force || (getenv ("COLORTERM") != NULL))
+        SLtt_Use_Ansi_Colors = 1;
+
+    if (!mc_tty_color_disable)
+    {
+        const char *terminal = getenv ("TERM");
+        const size_t len = strlen (terminal);
+        char *cts = mc_global.tty.color_terminal_string;
+
+        /* check mc_global.tty.color_terminal_string */
+        while (*cts != '\0')
+        {
+            char *s;
+            size_t i = 0;
+
+            while (whitespace (*cts))
+                cts++;
+            s = cts;
+
+            while (*cts != '\0' && *cts != ',')
+            {
+                cts++;
+                i++;
+            }
+
+            if ((i != 0) && (i == len) && (strncmp (s, terminal, i) == 0))
+                SLtt_Use_Ansi_Colors = 1;
+
+            if (*cts == ',')
+                cts++;
+        }
+    }
+    return SLtt_Use_Ansi_Colors;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_tty_color_pair_init_special (tty_color_pair_t * mc_color_pair,
+                                const char *fg1, const char *bg1,
+                                const char *fg2, const char *bg2, SLtt_Char_Type mask)
+{
+    if (SLtt_Use_Ansi_Colors != 0)
+    {
+        if (!mc_tty_color_disable)
+        {
+            SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg1, (char *) bg1);
+        }
+        else
+        {
+            SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg2, (char *) bg2);
+        }
+    }
+    else
+    {
+        SLtt_set_mono (mc_color_pair->pair_index, NULL, mask);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_init_lib (gboolean disable, gboolean force)
+{
+    /* FIXME: if S-Lang is used, has_colors() must be called regardless
+       of whether we are interested in its result */
+    if (has_colors (disable, force) && !disable)
+    {
+        use_colors = TRUE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_deinit_lib (void)
+{
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_try_alloc_pair_lib (tty_color_pair_t * mc_color_pair)
+{
+    if (mc_color_pair->ifg <= (int) SPEC_A_REVERSE)
+    {
+        switch (mc_color_pair->ifg)
+        {
+        case SPEC_A_REVERSE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            "black", "white", "black", "lightgray", SLTT_REV_MASK);
+            break;
+        case SPEC_A_BOLD:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            "white", "black", "white", "black", SLTT_BOLD_MASK);
+            break;
+        case SPEC_A_BOLD_REVERSE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            "white", "white",
+                                            "white", "white", SLTT_BOLD_MASK | SLTT_REV_MASK);
+            break;
+        case SPEC_A_UNDERLINE:
+            mc_tty_color_pair_init_special (mc_color_pair,
+                                            "white", "black", "white", "black", SLTT_ULINE_MASK);
+            break;
+        default:
+            break;
+        }
+    }
+    else
+    {
+        const char *fg, *bg;
+
+        fg = tty_color_get_name_by_index (mc_color_pair->ifg);
+        bg = tty_color_get_name_by_index (mc_color_pair->ibg);
+        SLtt_set_color (mc_color_pair->pair_index, (char *) "", (char *) fg, (char *) bg);
+        SLtt_add_color_attribute (mc_color_pair->pair_index, mc_color_pair->attr);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_setcolor (int color)
+{
+    SLsmg_set_color (color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Set colorpair by index, don't interpret S-Lang "emulated attributes"
+ */
+
+void
+tty_lowlevel_setcolor (int color)
+{
+    SLsmg_set_color (color & 0x7F);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_set_normal_attrs (void)
+{
+    SLsmg_normal_video ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_use_256colors (GError ** error)
+{
+    gboolean ret;
+
+    ret = (SLtt_Use_Ansi_Colors && SLtt_tgetnum ((char *) "Co") == 256);
+
+    if (!ret)
+        g_set_error (error, MC_ERROR, -1,
+                     _("Your terminal doesn't even seem to support 256 colors."));
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_use_truecolors (GError ** error)
+{
+    char *colorterm;
+
+    /* True color is supported since slang-2.3.1 on 64-bit machines,
+       and expected to be supported from slang-3 on 32-bit machines:
+       http://lists.jedsoft.org/lists/slang-users/2016/0000014.html.
+       Check for sizeof (long) being 8, exactly as slang does. */
+    if (SLang_Version < 20301 || (sizeof (long) != 8 && SLang_Version < 30000))
+    {
+        g_set_error (error, MC_ERROR, -1, _("True color not supported in this slang version."));
+        return FALSE;
+    }
+
+    /* Duplicate slang's check so that we can pop up an error message
+       rather than silently use wrong colors. */
+    colorterm = getenv ("COLORTERM");
+    if (colorterm == NULL
+        || (strcmp (colorterm, "truecolor") != 0 && strcmp (colorterm, "24bit") != 0))
+    {
+        g_set_error (error, MC_ERROR, -1,
+                     _("Set COLORTERM=truecolor if your terminal really supports true colors."));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/color-slang.h b/lib/tty/color-slang.h
new file mode 100644
index 0000000..a1a8d55
--- /dev/null
+++ b/lib/tty/color-slang.h
@@ -0,0 +1,56 @@
+
+/** \file color-slang.h
+ *  \brief Header: S-Lang-specific color setup
+ */
+
+#ifndef MC__COLOR_SLANG_H
+#define MC__COLOR_SLANG_H
+
+#include "tty-slang.h"          /* S-Lang headers */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* When using Slang with color, we have all the indexes free but
+ * those defined here (A_BOLD, A_ITALIC, A_UNDERLINE, A_REVERSE, A_BLINK)
+ */
+
+#ifndef A_BOLD
+#define A_BOLD SLTT_BOLD_MASK
+#endif /* A_BOLD */
+#ifdef SLTT_ITALIC_MASK         /* available since slang-pre2.3.0-107 */
+#ifndef A_ITALIC
+#define A_ITALIC SLTT_ITALIC_MASK
+#endif /* A_ITALIC */
+#endif /* SLTT_ITALIC_MASK */
+#ifndef A_UNDERLINE
+#define A_UNDERLINE SLTT_ULINE_MASK
+#endif /* A_UNDERLINE */
+#ifndef A_REVERSE
+#define A_REVERSE SLTT_REV_MASK
+#endif /* A_REVERSE */
+#ifndef A_BLINK
+#define A_BLINK SLTT_BLINK_MASK
+#endif /* A_BLINK */
+
+/*** enums ***************************************************************************************/
+
+enum
+{
+    COLOR_BLACK = 0,
+    COLOR_RED,
+    COLOR_GREEN,
+    COLOR_YELLOW,
+    COLOR_BLUE,
+    COLOR_MAGENTA,
+    COLOR_CYAN,
+    COLOR_WHITE
+};
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_COLOR_SLANG_H */
diff --git a/lib/tty/color.c b/lib/tty/color.c
new file mode 100644
index 0000000..b33e68e
--- /dev/null
+++ b/lib/tty/color.c
@@ -0,0 +1,243 @@
+/*
+   Color setup.
+   Interface functions.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file color.c
+ *  \brief Source: color setup
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>          /* size_t */
+
+#include "lib/global.h"
+
+#include "tty.h"
+#include "color.h"
+
+#include "color-internal.h"
+
+/*** global variables ****************************************************************************/
+
+static char *tty_color_defaults__fg = NULL;
+static char *tty_color_defaults__bg = NULL;
+static char *tty_color_defaults__attrs = NULL;
+
+/* Set if we are actually using colors */
+gboolean use_colors = FALSE;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static GHashTable *mc_tty_color__hashtable = NULL;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+tty_color_free_condition_cb (gpointer key, gpointer value, gpointer user_data)
+{
+    gboolean is_temp_color;
+    tty_color_pair_t *mc_color_pair;
+    (void) key;
+
+    is_temp_color = user_data != NULL;
+    mc_color_pair = (tty_color_pair_t *) value;
+    return (mc_color_pair->is_temp == is_temp_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+tty_color_free_all (gboolean is_temp_color)
+{
+    g_hash_table_foreach_remove (mc_tty_color__hashtable, tty_color_free_condition_cb,
+                                 is_temp_color ? GSIZE_TO_POINTER (1) : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+tty_color_get_next_cpn_cb (gpointer key, gpointer value, gpointer user_data)
+{
+    size_t cp;
+    tty_color_pair_t *mc_color_pair;
+    (void) key;
+
+    cp = GPOINTER_TO_SIZE (user_data);
+    mc_color_pair = (tty_color_pair_t *) value;
+
+    return (cp == mc_color_pair->pair_index);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static size_t
+tty_color_get_next__color_pair_number (void)
+{
+    size_t cp_count, cp;
+
+    cp_count = g_hash_table_size (mc_tty_color__hashtable);
+    for (cp = 0; cp < cp_count; cp++)
+        if (g_hash_table_find (mc_tty_color__hashtable, tty_color_get_next_cpn_cb,
+                               GSIZE_TO_POINTER (cp)) == NULL)
+            break;
+
+    return cp;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_init_colors (gboolean disable, gboolean force)
+{
+    tty_color_init_lib (disable, force);
+    mc_tty_color__hashtable = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_colors_done (void)
+{
+    tty_color_deinit_lib ();
+    g_free (tty_color_defaults__fg);
+    g_free (tty_color_defaults__bg);
+    g_free (tty_color_defaults__attrs);
+
+    g_hash_table_destroy (mc_tty_color__hashtable);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_use_colors (void)
+{
+    return use_colors;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_try_alloc_color_pair2 (const char *fg, const char *bg, const char *attrs,
+                           gboolean is_temp_color)
+{
+    gchar *color_pair;
+    tty_color_pair_t *mc_color_pair;
+    int ifg, ibg, attr;
+
+    if (fg == NULL || !strcmp (fg, "base"))
+        fg = tty_color_defaults__fg;
+    if (bg == NULL || !strcmp (bg, "base"))
+        bg = tty_color_defaults__bg;
+    if (attrs == NULL || !strcmp (attrs, "base"))
+        attrs = tty_color_defaults__attrs;
+
+    ifg = tty_color_get_index_by_name (fg);
+    ibg = tty_color_get_index_by_name (bg);
+    attr = tty_attr_get_bits (attrs);
+
+    color_pair = g_strdup_printf ("%d.%d.%d", ifg, ibg, attr);
+    if (color_pair == NULL)
+        return 0;
+
+    mc_color_pair =
+        (tty_color_pair_t *) g_hash_table_lookup (mc_tty_color__hashtable, (gpointer) color_pair);
+
+    if (mc_color_pair != NULL)
+    {
+        g_free (color_pair);
+        return mc_color_pair->pair_index;
+    }
+
+    mc_color_pair = g_try_new0 (tty_color_pair_t, 1);
+    if (mc_color_pair == NULL)
+    {
+        g_free (color_pair);
+        return 0;
+    }
+
+    mc_color_pair->is_temp = is_temp_color;
+    mc_color_pair->ifg = ifg;
+    mc_color_pair->ibg = ibg;
+    mc_color_pair->attr = attr;
+    mc_color_pair->pair_index = tty_color_get_next__color_pair_number ();
+
+    tty_color_try_alloc_pair_lib (mc_color_pair);
+
+    g_hash_table_insert (mc_tty_color__hashtable, (gpointer) color_pair, (gpointer) mc_color_pair);
+
+    return mc_color_pair->pair_index;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_try_alloc_color_pair (const char *fg, const char *bg, const char *attrs)
+{
+    return tty_try_alloc_color_pair2 (fg, bg, attrs, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_free_all_tmp (void)
+{
+    tty_color_free_all (TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_free_all_non_tmp (void)
+{
+    tty_color_free_all (FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_color_set_defaults (const char *fgcolor, const char *bgcolor, const char *attrs)
+{
+    g_free (tty_color_defaults__fg);
+    g_free (tty_color_defaults__bg);
+    g_free (tty_color_defaults__attrs);
+
+    tty_color_defaults__fg = g_strdup (fgcolor);
+    tty_color_defaults__bg = g_strdup (bgcolor);
+    tty_color_defaults__attrs = g_strdup (attrs);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/color.h b/lib/tty/color.h
new file mode 100644
index 0000000..138781f
--- /dev/null
+++ b/lib/tty/color.h
@@ -0,0 +1,56 @@
+/** \file color.h
+ *  \brief Header: color setup
+ *
+ * PLEASE FORGOT ABOUT tty/color.h!
+ * Use skin engine for getting needed color pairs.
+ *
+ * edit/syntax.c may use this file directly, I'm agree. :)
+ *
+ */
+
+#ifndef MC__COLOR_H
+#define MC__COLOR_H
+
+#include "lib/global.h"         /* glib.h */
+
+#ifdef HAVE_SLANG
+#include "color-slang.h"
+#else
+#include "tty-ncurses.h"
+#endif
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define ALLOC_COLOR_PAIR_INDEX 1
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void tty_init_colors (gboolean disable, gboolean force);
+void tty_colors_done (void);
+
+gboolean tty_use_colors (void);
+int tty_try_alloc_color_pair (const char *fg, const char *bg, const char *attrs);
+int tty_try_alloc_color_pair2 (const char *fg, const char *bg, const char *attrs,
+                               gboolean is_temp_color);
+
+void tty_color_free_all_tmp (void);
+void tty_color_free_all_non_tmp (void);
+
+void tty_setcolor (int color);
+void tty_lowlevel_setcolor (int color);
+void tty_set_normal_attrs (void);
+
+void tty_color_set_defaults (const char *fgcolor, const char *bgcolor, const char *attrs);
+
+extern gboolean tty_use_256colors (GError ** error);
+extern gboolean tty_use_truecolors (GError ** error);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__COLOR_H */
diff --git a/lib/tty/key.c b/lib/tty/key.c
new file mode 100644
index 0000000..dd893e9
--- /dev/null
+++ b/lib/tty/key.c
@@ -0,0 +1,2250 @@
+/*
+   Keyboard support routines.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1994, 1995
+   Janne Kukonlehto, 1994, 1995
+   Jakub Jelinek, 1995
+   Norbert Warmuth, 1997
+   Denys Vlasenko <vda.linux@googlemail.com>, 2013
+   Slava Zanko <slavazanko@gmail.com>, 2013
+   Egmont Koblinger <egmont@gmail.com>, 2013
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file key.c
+ *  \brief Source: keyboard support routines
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#else
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+
+#include "lib/global.h"
+
+#include "lib/vfs/vfs.h"
+
+#include "tty.h"
+#include "tty-internal.h"       /* mouse_enabled */
+#include "mouse.h"
+#include "key.h"
+
+#include "lib/widget.h"         /* mc_refresh() */
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+#include "x11conn.h"
+#endif
+
+#ifdef __linux__
+#if defined(__GLIBC__) && (__GLIBC__ < 2)
+#include <linux/termios.h>      /* TIOCLINUX */
+#else
+#include <termios.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#endif /* __linux__ */
+
+#ifdef __CYGWIN__
+#include <termios.h>
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#endif /* __CYGWIN__ */
+
+#ifdef __QNXNTO__
+#include <dlfcn.h>
+#include <Ph.h>
+#include <sys/dcmd_chr.h>
+#endif /* __QNXNTO__ */
+
+/*** global variables ****************************************************************************/
+
+int mou_auto_repeat = 100;      /* ms */
+int double_click_speed = 250;   /* ms */
+gboolean old_esc_mode = TRUE;
+/* timeout for old_esc_mode in usec */
+int old_esc_mode_timeout = G_USEC_PER_SEC;      /* us, settable via env */
+gboolean use_8th_bit_as_meta = FALSE;
+
+gboolean bracketed_pasting_in_progress = FALSE;
+
+/* This table is a mapping between names and the constants we use
+ * We use this to allow users to define alternate definitions for
+ * certain keys that may be missing from the terminal database
+ */
+const key_code_name_t key_name_conv_tab[] = {
+    {ESC_CHAR, "escape", N_("Escape"), "Esc"},
+    /* KEY_F(0) is not here, since we are mapping it to f10, so there is no reason
+       to define f0 as well. Also, it makes Learn keys a bunch of problems :( */
+    {KEY_F (1), "f1", N_("Function key 1"), "F1"},
+    {KEY_F (2), "f2", N_("Function key 2"), "F2"},
+    {KEY_F (3), "f3", N_("Function key 3"), "F3"},
+    {KEY_F (4), "f4", N_("Function key 4"), "F4"},
+    {KEY_F (5), "f5", N_("Function key 5"), "F5"},
+    {KEY_F (6), "f6", N_("Function key 6"), "F6"},
+    {KEY_F (7), "f7", N_("Function key 7"), "F7"},
+    {KEY_F (8), "f8", N_("Function key 8"), "F8"},
+    {KEY_F (9), "f9", N_("Function key 9"), "F9"},
+    {KEY_F (10), "f10", N_("Function key 10"), "F10"},
+    {KEY_F (11), "f11", N_("Function key 11"), "F11"},
+    {KEY_F (12), "f12", N_("Function key 12"), "F12"},
+    {KEY_F (13), "f13", N_("Function key 13"), "F13"},
+    {KEY_F (14), "f14", N_("Function key 14"), "F14"},
+    {KEY_F (15), "f15", N_("Function key 15"), "F15"},
+    {KEY_F (16), "f16", N_("Function key 16"), "F16"},
+    {KEY_F (17), "f17", N_("Function key 17"), "F17"},
+    {KEY_F (18), "f18", N_("Function key 18"), "F18"},
+    {KEY_F (19), "f19", N_("Function key 19"), "F19"},
+    {KEY_F (20), "f20", N_("Function key 20"), "F20"},
+    {ALT ('\t'), "complete", N_("Completion/M-tab"), "Meta-Tab"},
+    {KEY_BTAB, "backtab", N_("BackTab/S-tab"), "Shift-Tab"},
+    {KEY_BACKSPACE, "backspace", N_("Backspace"), "Backspace"},
+    {KEY_UP, "up", N_("Up arrow"), "Up"},
+    {KEY_DOWN, "down", N_("Down arrow"), "Down"},
+    {KEY_LEFT, "left", N_("Left arrow"), "Left"},
+    {KEY_RIGHT, "right", N_("Right arrow"), "Right"},
+    {KEY_IC, "insert", N_("Insert"), "Ins"},
+    {KEY_DC, "delete", N_("Delete"), "Del"},
+    {KEY_HOME, "home", N_("Home"), "Home"},
+    {KEY_END, "end", N_("End key"), "End"},
+    {KEY_PPAGE, "pgup", N_("Page Up"), "PgUp"},
+    {KEY_NPAGE, "pgdn", N_("Page Down"), "PgDn"},
+    {(int) '/', "kpslash", N_("/ on keypad"), "/"},
+    {KEY_KP_MULTIPLY, "kpasterisk", N_("* on keypad"), "*"},
+    {KEY_KP_SUBTRACT, "kpminus", N_("- on keypad"), "-"},
+    {KEY_KP_ADD, "kpplus", N_("+ on keypad"), "+"},
+
+    /* From here on, these won't be shown in Learn keys (no space) */
+    {KEY_LEFT, "kpleft", N_("Left arrow keypad"), "Left"},
+    {KEY_RIGHT, "kpright", N_("Right arrow keypad"), "Right"},
+    {KEY_UP, "kpup", N_("Up arrow keypad"), "Up"},
+    {KEY_DOWN, "kpdown", N_("Down arrow keypad"), "Down"},
+    {KEY_HOME, "kphome", N_("Home on keypad"), "Home"},
+    {KEY_END, "kpend", N_("End on keypad"), "End"},
+    {KEY_NPAGE, "kpnpage", N_("Page Down keypad"), "PgDn"},
+    {KEY_PPAGE, "kpppage", N_("Page Up keypad"), "PgUp"},
+    {KEY_IC, "kpinsert", N_("Insert on keypad"), "Ins"},
+    {KEY_DC, "kpdelete", N_("Delete on keypad"), "Del"},
+    {(int) '\n', "kpenter", N_("Enter on keypad"), "Enter"},
+    {KEY_F (21), "f21", N_("Function key 21"), "F21"},
+    {KEY_F (22), "f22", N_("Function key 22"), "F22"},
+    {KEY_F (23), "f23", N_("Function key 23"), "F23"},
+    {KEY_F (24), "f24", N_("Function key 24"), "F24"},
+    {KEY_A1, "a1", N_("A1 key"), "A1"},
+    {KEY_C1, "c1", N_("C1 key"), "C1"},
+
+    /* Alternative label */
+    {ESC_CHAR, "esc", N_("Escape"), "Esc"},
+    {KEY_BACKSPACE, "bs", N_("Backspace"), "Bakspace"},
+    {KEY_IC, "ins", N_("Insert"), "Ins"},
+    {KEY_DC, "del", N_("Delete"), "Del"},
+    {(int) '*', "asterisk", N_("Asterisk"), "*"},
+    {(int) '-', "minus", N_("Minus"), "-"},
+    {(int) '+', "plus", N_("Plus"), "+"},
+    {(int) '.', "dot", N_("Dot"), "."},
+    {(int) '<', "lt", N_("Less than"), "<"},
+    {(int) '>', "gt", N_("Great than"), ">"},
+    {(int) '=', "equal", N_("Equal"), "="},
+    {(int) ',', "comma", N_("Comma"), ","},
+    {(int) '\'', "apostrophe", N_("Apostrophe"), "\'"},
+    {(int) ':', "colon", N_("Colon"), ":"},
+    {(int) ';', "semicolon", N_("Semicolon"), ";"},
+    {(int) '!', "exclamation", N_("Exclamation mark"), "!"},
+    {(int) '?', "question", N_("Question mark"), "?"},
+    {(int) '&', "ampersand", N_("Ampersand"), "&"},
+    {(int) '$', "dollar", N_("Dollar sign"), "$"},
+    {(int) '"', "quota", N_("Quotation mark"), "\""},
+    {(int) '%', "percent", N_("Percent sign"), "%"},
+    {(int) '^', "caret", N_("Caret"), "^"},
+    {(int) '~', "tilda", N_("Tilda"), "~"},
+    {(int) '`', "prime", N_("Prime"), "`"},
+    {(int) '_', "underline", N_("Underline"), "_"},
+    {(int) '_', "understrike", N_("Understrike"), "_"},
+    {(int) '|', "pipe", N_("Pipe"), "|"},
+    {(int) '(', "lparenthesis", N_("Left parenthesis"), "("},
+    {(int) ')', "rparenthesis", N_("Right parenthesis"), ")"},
+    {(int) '[', "lbracket", N_("Left bracket"), "["},
+    {(int) ']', "rbracket", N_("Right bracket"), "]"},
+    {(int) '{', "lbrace", N_("Left brace"), "{"},
+    {(int) '}', "rbrace", N_("Right brace"), "}"},
+    {(int) '\n', "enter", N_("Enter"), "Enter"},
+    {(int) '\t', "tab", N_("Tab key"), "Tab"},
+    {(int) ' ', "space", N_("Space key"), "Space"},
+    {(int) '/', "slash", N_("Slash key"), "/"},
+    {(int) '\\', "backslash", N_("Backslash key"), "\\"},
+    {(int) '#', "number", N_("Number sign #"), "#"},
+    {(int) '#', "hash", N_("Number sign #"), "#"},
+    /* TRANSLATORS: Please translate as in "at sign" (@). */
+    {(int) '@', "at", N_("At sign"), "@"},
+
+    /* meta keys */
+    {KEY_M_CTRL, "control", N_("Ctrl"), "C"},
+    {KEY_M_CTRL, "ctrl", N_("Ctrl"), "C"},
+    {KEY_M_ALT, "meta", N_("Alt"), "M"},
+    {KEY_M_ALT, "alt", N_("Alt"), "M"},
+    {KEY_M_ALT, "ralt", N_("Alt"), "M"},
+    {KEY_M_SHIFT, "shift", N_("Shift"), "S"},
+
+    {0, NULL, NULL, NULL}
+};
+
+/*** file scope macro definitions ****************************************************************/
+
+#define MC_USEC_PER_MSEC 1000
+
+/* The maximum sequence length (32 + null terminator) */
+#define SEQ_BUFFER_LEN 33
+
+/*** file scope type declarations ****************************************************************/
+
+/* Linux console keyboard modifiers */
+typedef enum
+{
+    SHIFT_PRESSED = (1 << 0),
+    ALTR_PRESSED = (1 << 1),
+    CONTROL_PRESSED = (1 << 2),
+    ALTL_PRESSED = (1 << 3)
+} mod_pressed_t;
+
+typedef struct key_def
+{
+    char ch;                    /* Holds the matching char code */
+    int code;                   /* The code returned, valid if child == NULL */
+    struct key_def *next;
+    struct key_def *child;      /* sequence continuation */
+    int action;                 /* optional action to be done. Now used only
+                                   to mark that we are just after the first
+                                   Escape */
+} key_def;
+
+typedef struct
+{
+    int code;
+    const char *seq;
+    int action;
+} key_define_t;
+
+/* File descriptor monitoring add/remove routines */
+typedef struct
+{
+    int fd;
+    select_fn callback;
+    void *info;
+} select_t;
+
+typedef enum KeySortType
+{
+    KEY_NOSORT = 0,
+    KEY_SORTBYNAME,
+    KEY_SORTBYCODE
+} KeySortType;
+
+#ifdef __QNXNTO__
+typedef int (*ph_dv_f) (void *, void *);
+typedef int (*ph_ov_f) (void *);
+typedef int (*ph_pqc_f) (unsigned short, PhCursorInfo_t *);
+#endif
+
+/*** file scope variables ************************************************************************/
+
+static key_define_t mc_default_keys[] = {
+    {ESC_CHAR, ESC_STR, MCKEY_ESCAPE},
+    {ESC_CHAR, ESC_STR ESC_STR, MCKEY_NOACTION},
+    {MCKEY_BRACKETED_PASTING_START, ESC_STR "[200~", MCKEY_NOACTION},
+    {MCKEY_BRACKETED_PASTING_END, ESC_STR "[201~", MCKEY_NOACTION},
+    {0, NULL, MCKEY_NOACTION},
+};
+
+/* Broken terminfo and termcap databases on xterminals */
+static key_define_t xterm_key_defines[] = {
+    {KEY_F (1), ESC_STR "OP", MCKEY_NOACTION},
+    {KEY_F (2), ESC_STR "OQ", MCKEY_NOACTION},
+    {KEY_F (3), ESC_STR "OR", MCKEY_NOACTION},
+    {KEY_F (4), ESC_STR "OS", MCKEY_NOACTION},
+    {KEY_F (1), ESC_STR "[11~", MCKEY_NOACTION},
+    {KEY_F (2), ESC_STR "[12~", MCKEY_NOACTION},
+    {KEY_F (3), ESC_STR "[13~", MCKEY_NOACTION},
+    {KEY_F (4), ESC_STR "[14~", MCKEY_NOACTION},
+    {KEY_F (5), ESC_STR "[15~", MCKEY_NOACTION},
+    {KEY_F (6), ESC_STR "[17~", MCKEY_NOACTION},
+    {KEY_F (7), ESC_STR "[18~", MCKEY_NOACTION},
+    {KEY_F (8), ESC_STR "[19~", MCKEY_NOACTION},
+    {KEY_F (9), ESC_STR "[20~", MCKEY_NOACTION},
+    {KEY_F (10), ESC_STR "[21~", MCKEY_NOACTION},
+
+    /* old xterm Shift-arrows */
+    {KEY_M_SHIFT | KEY_UP, ESC_STR "O2A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DOWN, ESC_STR "O2B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_RIGHT, ESC_STR "O2C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_LEFT, ESC_STR "O2D", MCKEY_NOACTION},
+
+    /* new xterm Shift-arrows */
+    {KEY_M_SHIFT | KEY_UP, ESC_STR "[1;2A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DOWN, ESC_STR "[1;2B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[1;2C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_LEFT, ESC_STR "[1;2D", MCKEY_NOACTION},
+
+    /* more xterm keys with modifiers */
+    {KEY_M_CTRL | KEY_PPAGE, ESC_STR "[5;5~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_NPAGE, ESC_STR "[6;5~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_IC, ESC_STR "[2;5~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DC, ESC_STR "[3;5~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_HOME, ESC_STR "[1;5H", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_END, ESC_STR "[1;5F", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_HOME, ESC_STR "[1;2H", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_END, ESC_STR "[1;2F", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_UP, ESC_STR "[1;5A", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;5B", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;5C", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;5D", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_IC, ESC_STR "[2;2~", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DC, ESC_STR "[3;2~", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[1;6A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;6B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;6C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;6D", MCKEY_NOACTION},
+    {KEY_M_SHIFT | '\t', ESC_STR "[Z", MCKEY_NOACTION},
+
+    /* putty */
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[[1;6A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[[1;6B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[[1;6C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[[1;6D", MCKEY_NOACTION},
+
+    /* putty alt-arrow keys */
+    /* removed as source esc esc esc trouble */
+    /*
+       { KEY_M_ALT | KEY_UP,    ESC_STR ESC_STR "OA", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_DOWN,  ESC_STR ESC_STR "OB", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "OC", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_LEFT,  ESC_STR ESC_STR "OD", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[5~", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[6~", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_HOME,  ESC_STR ESC_STR "[1~", MCKEY_NOACTION },
+       { KEY_M_ALT | KEY_END,   ESC_STR ESC_STR "[4~", MCKEY_NOACTION },
+
+       { KEY_M_CTRL | KEY_M_ALT | KEY_UP,    ESC_STR ESC_STR "[1;2A", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_DOWN,  ESC_STR ESC_STR "[1;2B", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "[1;2C", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_LEFT,  ESC_STR ESC_STR "[1;2D", MCKEY_NOACTION },
+
+       { KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[[5;5~", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[[6;5~", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_HOME,  ESC_STR ESC_STR "[1;5H", MCKEY_NOACTION },
+       { KEY_M_CTRL | KEY_M_ALT | KEY_END,   ESC_STR ESC_STR "[1;5F", MCKEY_NOACTION },
+     */
+    /* xterm alt-arrow keys */
+    {KEY_M_ALT | KEY_UP, ESC_STR "[1;3A", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_DOWN, ESC_STR "[1;3B", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;3C", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_LEFT, ESC_STR "[1;3D", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_PPAGE, ESC_STR "[5;3~", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_NPAGE, ESC_STR "[6;3~", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_HOME, ESC_STR "[1~", MCKEY_NOACTION},
+    {KEY_M_ALT | KEY_END, ESC_STR "[4~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_UP, ESC_STR "[1;7A", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_DOWN, ESC_STR "[1;7B", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;7C", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_LEFT, ESC_STR "[1;7D", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, ESC_STR "[5;7~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, ESC_STR "[6;7~", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_HOME, ESC_STR "OH", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_M_ALT | KEY_END, ESC_STR "OF", MCKEY_NOACTION},
+
+    {KEY_M_SHIFT | KEY_M_ALT | KEY_UP, ESC_STR "[1;4A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_ALT | KEY_DOWN, ESC_STR "[1;4B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;4C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_ALT | KEY_LEFT, ESC_STR "[1;4D", MCKEY_NOACTION},
+
+    /* rxvt keys with modifiers */
+    {KEY_M_SHIFT | KEY_UP, ESC_STR "[a", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DOWN, ESC_STR "[b", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[c", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_LEFT, ESC_STR "[d", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_UP, ESC_STR "Oa", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DOWN, ESC_STR "Ob", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_RIGHT, ESC_STR "Oc", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_LEFT, ESC_STR "Od", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_PPAGE, ESC_STR "[5^", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_NPAGE, ESC_STR "[6^", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_HOME, ESC_STR "[7^", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_END, ESC_STR "[8^", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_HOME, ESC_STR "[7$", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_END, ESC_STR "[8$", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_IC, ESC_STR "[2^", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DC, ESC_STR "[3^", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DC, ESC_STR "[3$", MCKEY_NOACTION},
+
+    /* konsole keys with modifiers */
+    {KEY_M_SHIFT | KEY_HOME, ESC_STR "O2H", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_END, ESC_STR "O2F", MCKEY_NOACTION},
+
+    /* gnome-terminal */
+    {KEY_M_SHIFT | KEY_UP, ESC_STR "[2A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_DOWN, ESC_STR "[2B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[2C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_LEFT, ESC_STR "[2D", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_UP, ESC_STR "[5A", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DOWN, ESC_STR "[5B", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_RIGHT, ESC_STR "[5C", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_LEFT, ESC_STR "[5D", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[6A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[6B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[6C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[6D", MCKEY_NOACTION},
+
+    /* gnome-terminal - application mode */
+    {KEY_M_CTRL | KEY_UP, ESC_STR "O5A", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_DOWN, ESC_STR "O5B", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_RIGHT, ESC_STR "O5C", MCKEY_NOACTION},
+    {KEY_M_CTRL | KEY_LEFT, ESC_STR "O5D", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "O6A", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "O6B", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "O6C", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "O6D", MCKEY_NOACTION},
+
+    /* iTerm */
+    {KEY_M_SHIFT | KEY_PPAGE, ESC_STR "[5;2~", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_NPAGE, ESC_STR "[6;2~", MCKEY_NOACTION},
+
+    /* putty */
+    {KEY_M_SHIFT | KEY_PPAGE, ESC_STR "[[5;53~", MCKEY_NOACTION},
+    {KEY_M_SHIFT | KEY_NPAGE, ESC_STR "[[6;53~", MCKEY_NOACTION},
+
+    /* keypad keys */
+    {KEY_IC, ESC_STR "Op", MCKEY_NOACTION},
+    {KEY_DC, ESC_STR "On", MCKEY_NOACTION},
+    {'/', ESC_STR "Oo", MCKEY_NOACTION},
+    {'\n', ESC_STR "OM", MCKEY_NOACTION},
+
+    {0, NULL, MCKEY_NOACTION},
+};
+
+/* qansi-m terminals have a much more key combinatios,
+   which are undefined in termcap/terminfo */
+static key_define_t qansi_key_defines[] = {
+    /* qansi-m terminal */
+    {KEY_M_CTRL | KEY_NPAGE, ESC_STR "[u", MCKEY_NOACTION},     /* Ctrl-PgDown */
+    {KEY_M_CTRL | KEY_PPAGE, ESC_STR "[v", MCKEY_NOACTION},     /* Ctrl-PgUp   */
+    {KEY_M_CTRL | KEY_HOME, ESC_STR "[h", MCKEY_NOACTION},      /* Ctrl-Home   */
+    {KEY_M_CTRL | KEY_END, ESC_STR "[y", MCKEY_NOACTION},       /* Ctrl-End    */
+    {KEY_M_CTRL | KEY_IC, ESC_STR "[`", MCKEY_NOACTION},        /* Ctrl-Insert */
+    {KEY_M_CTRL | KEY_DC, ESC_STR "[p", MCKEY_NOACTION},        /* Ctrl-Delete */
+    {KEY_M_CTRL | KEY_LEFT, ESC_STR "[d", MCKEY_NOACTION},      /* Ctrl-Left   */
+    {KEY_M_CTRL | KEY_RIGHT, ESC_STR "[c", MCKEY_NOACTION},     /* Ctrl-Right  */
+    {KEY_M_CTRL | KEY_DOWN, ESC_STR "[b", MCKEY_NOACTION},      /* Ctrl-Down   */
+    {KEY_M_CTRL | KEY_UP, ESC_STR "[a", MCKEY_NOACTION},        /* Ctrl-Up     */
+    {KEY_M_CTRL | KEY_KP_ADD, ESC_STR "[s", MCKEY_NOACTION},    /* Ctrl-Gr-Plus */
+    {KEY_M_CTRL | KEY_KP_SUBTRACT, ESC_STR "[t", MCKEY_NOACTION},       /* Ctrl-Gr-Minus */
+    {KEY_M_CTRL | '\t', ESC_STR "[z", MCKEY_NOACTION},  /* Ctrl-Tab    */
+    {KEY_M_SHIFT | '\t', ESC_STR "[Z", MCKEY_NOACTION}, /* Shift-Tab   */
+    {KEY_M_CTRL | KEY_F (1), ESC_STR "[1~", MCKEY_NOACTION},    /* Ctrl-F1    */
+    {KEY_M_CTRL | KEY_F (2), ESC_STR "[2~", MCKEY_NOACTION},    /* Ctrl-F2    */
+    {KEY_M_CTRL | KEY_F (3), ESC_STR "[3~", MCKEY_NOACTION},    /* Ctrl-F3    */
+    {KEY_M_CTRL | KEY_F (4), ESC_STR "[4~", MCKEY_NOACTION},    /* Ctrl-F4    */
+    {KEY_M_CTRL | KEY_F (5), ESC_STR "[5~", MCKEY_NOACTION},    /* Ctrl-F5    */
+    {KEY_M_CTRL | KEY_F (6), ESC_STR "[6~", MCKEY_NOACTION},    /* Ctrl-F6    */
+    {KEY_M_CTRL | KEY_F (7), ESC_STR "[7~", MCKEY_NOACTION},    /* Ctrl-F7    */
+    {KEY_M_CTRL | KEY_F (8), ESC_STR "[8~", MCKEY_NOACTION},    /* Ctrl-F8    */
+    {KEY_M_CTRL | KEY_F (9), ESC_STR "[9~", MCKEY_NOACTION},    /* Ctrl-F9    */
+    {KEY_M_CTRL | KEY_F (10), ESC_STR "[10~", MCKEY_NOACTION},  /* Ctrl-F10  */
+    {KEY_M_CTRL | KEY_F (11), ESC_STR "[11~", MCKEY_NOACTION},  /* Ctrl-F11  */
+    {KEY_M_CTRL | KEY_F (12), ESC_STR "[12~", MCKEY_NOACTION},  /* Ctrl-F12  */
+    {KEY_M_ALT | KEY_F (1), ESC_STR "[17~", MCKEY_NOACTION},    /* Alt-F1    */
+    {KEY_M_ALT | KEY_F (2), ESC_STR "[18~", MCKEY_NOACTION},    /* Alt-F2    */
+    {KEY_M_ALT | KEY_F (3), ESC_STR "[19~", MCKEY_NOACTION},    /* Alt-F3    */
+    {KEY_M_ALT | KEY_F (4), ESC_STR "[20~", MCKEY_NOACTION},    /* Alt-F4    */
+    {KEY_M_ALT | KEY_F (5), ESC_STR "[21~", MCKEY_NOACTION},    /* Alt-F5    */
+    {KEY_M_ALT | KEY_F (6), ESC_STR "[22~", MCKEY_NOACTION},    /* Alt-F6    */
+    {KEY_M_ALT | KEY_F (7), ESC_STR "[23~", MCKEY_NOACTION},    /* Alt-F7    */
+    {KEY_M_ALT | KEY_F (8), ESC_STR "[24~", MCKEY_NOACTION},    /* Alt-F8    */
+    {KEY_M_ALT | KEY_F (9), ESC_STR "[25~", MCKEY_NOACTION},    /* Alt-F9    */
+    {KEY_M_ALT | KEY_F (10), ESC_STR "[26~", MCKEY_NOACTION},   /* Alt-F10   */
+    {KEY_M_ALT | KEY_F (11), ESC_STR "[27~", MCKEY_NOACTION},   /* Alt-F11   */
+    {KEY_M_ALT | KEY_F (12), ESC_STR "[28~", MCKEY_NOACTION},   /* Alt-F12   */
+    {KEY_M_ALT | 'a', ESC_STR "Na", MCKEY_NOACTION},    /* Alt-a     */
+    {KEY_M_ALT | 'b', ESC_STR "Nb", MCKEY_NOACTION},    /* Alt-b     */
+    {KEY_M_ALT | 'c', ESC_STR "Nc", MCKEY_NOACTION},    /* Alt-c     */
+    {KEY_M_ALT | 'd', ESC_STR "Nd", MCKEY_NOACTION},    /* Alt-d     */
+    {KEY_M_ALT | 'e', ESC_STR "Ne", MCKEY_NOACTION},    /* Alt-e     */
+    {KEY_M_ALT | 'f', ESC_STR "Nf", MCKEY_NOACTION},    /* Alt-f     */
+    {KEY_M_ALT | 'g', ESC_STR "Ng", MCKEY_NOACTION},    /* Alt-g     */
+    {KEY_M_ALT | 'h', ESC_STR "Nh", MCKEY_NOACTION},    /* Alt-h     */
+    {KEY_M_ALT | 'i', ESC_STR "Ni", MCKEY_NOACTION},    /* Alt-i     */
+    {KEY_M_ALT | 'j', ESC_STR "Nj", MCKEY_NOACTION},    /* Alt-j     */
+    {KEY_M_ALT | 'k', ESC_STR "Nk", MCKEY_NOACTION},    /* Alt-k     */
+    {KEY_M_ALT | 'l', ESC_STR "Nl", MCKEY_NOACTION},    /* Alt-l     */
+    {KEY_M_ALT | 'm', ESC_STR "Nm", MCKEY_NOACTION},    /* Alt-m     */
+    {KEY_M_ALT | 'n', ESC_STR "Nn", MCKEY_NOACTION},    /* Alt-n     */
+    {KEY_M_ALT | 'o', ESC_STR "No", MCKEY_NOACTION},    /* Alt-o     */
+    {KEY_M_ALT | 'p', ESC_STR "Np", MCKEY_NOACTION},    /* Alt-p     */
+    {KEY_M_ALT | 'q', ESC_STR "Nq", MCKEY_NOACTION},    /* Alt-q     */
+    {KEY_M_ALT | 'r', ESC_STR "Nr", MCKEY_NOACTION},    /* Alt-r     */
+    {KEY_M_ALT | 's', ESC_STR "Ns", MCKEY_NOACTION},    /* Alt-s     */
+    {KEY_M_ALT | 't', ESC_STR "Nt", MCKEY_NOACTION},    /* Alt-t     */
+    {KEY_M_ALT | 'u', ESC_STR "Nu", MCKEY_NOACTION},    /* Alt-u     */
+    {KEY_M_ALT | 'v', ESC_STR "Nv", MCKEY_NOACTION},    /* Alt-v     */
+    {KEY_M_ALT | 'w', ESC_STR "Nw", MCKEY_NOACTION},    /* Alt-w     */
+    {KEY_M_ALT | 'x', ESC_STR "Nx", MCKEY_NOACTION},    /* Alt-x     */
+    {KEY_M_ALT | 'y', ESC_STR "Ny", MCKEY_NOACTION},    /* Alt-y     */
+    {KEY_M_ALT | 'z', ESC_STR "Nz", MCKEY_NOACTION},    /* Alt-z     */
+    {KEY_KP_SUBTRACT, ESC_STR "[S", MCKEY_NOACTION},    /* Gr-Minus  */
+    {KEY_KP_ADD, ESC_STR "[T", MCKEY_NOACTION}, /* Gr-Plus   */
+    {0, NULL, MCKEY_NOACTION},
+};
+
+/* This holds all the key definitions */
+static key_def *keys = NULL;
+
+static int input_fd;
+static int disabled_channels = 0;       /* Disable channels checking */
+
+static GSList *select_list = NULL;
+
+static int seq_buffer[SEQ_BUFFER_LEN];
+static int *seq_append = NULL;
+
+static int *pending_keys = NULL;
+
+#ifdef __QNXNTO__
+ph_dv_f ph_attach;
+ph_ov_f ph_input_group;
+ph_pqc_f ph_query_cursor;
+#endif
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+static Display *x11_display;
+static Window x11_window;
+#endif /* HAVE_TEXTMODE_X11_SUPPORT */
+
+static KeySortType has_been_sorted = KEY_NOSORT;
+
+/* *INDENT-OFF* */
+static const size_t key_conv_tab_size = G_N_ELEMENTS (key_name_conv_tab) - 1;
+/* *INDENT-ON* */
+
+static const key_code_name_t *key_conv_tab_sorted[G_N_ELEMENTS (key_name_conv_tab) - 1];
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+select_cmp_by_fd_set (gconstpointer a, gconstpointer b)
+{
+    const select_t *s = (const select_t *) a;
+    const fd_set *f = (const fd_set *) b;
+
+    return (FD_ISSET (s->fd, f) ? 0 : 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+select_cmp_by_fd (gconstpointer a, gconstpointer b)
+{
+    const select_t *s = (const select_t *) a;
+    const int fd = GPOINTER_TO_INT (b);
+
+    return (s->fd == fd ? 0 : 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+add_selects (fd_set * select_set)
+{
+    int top_fd = 0;
+
+    if (disabled_channels == 0)
+    {
+        GSList *s;
+
+        for (s = select_list; s != NULL; s = g_slist_next (s))
+        {
+            select_t *p = (select_t *) s->data;
+
+            FD_SET (p->fd, select_set);
+            if (p->fd > top_fd)
+                top_fd = p->fd;
+        }
+    }
+
+    return top_fd;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+check_selects (fd_set * select_set)
+{
+    while (disabled_channels == 0)
+    {
+        GSList *s;
+        select_t *p;
+
+        s = g_slist_find_custom (select_list, select_set, select_cmp_by_fd_set);
+        if (s == NULL)
+            break;
+
+        p = (select_t *) s->data;
+        FD_CLR (p->fd, select_set);
+        p->callback (p->fd, p->info);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* If set timeout is set, then we wait 0.1 seconds, else, we block */
+
+static void
+try_channels (gboolean set_timeout)
+{
+    struct timeval time_out;
+    static fd_set select_set;
+
+    while (TRUE)
+    {
+        struct timeval *timeptr = NULL;
+        int maxfdp, v;
+
+        FD_ZERO (&select_set);
+        FD_SET (input_fd, &select_set); /* Add stdin */
+        maxfdp = MAX (add_selects (&select_set), input_fd);
+
+        if (set_timeout)
+        {
+            time_out.tv_sec = 0;
+            time_out.tv_usec = 100 * MC_USEC_PER_MSEC;
+            timeptr = &time_out;
+        }
+
+        v = select (maxfdp + 1, &select_set, NULL, NULL, timeptr);
+        if (v > 0)
+        {
+            check_selects (&select_set);
+            if (FD_ISSET (input_fd, &select_set))
+                break;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static key_def *
+create_sequence (const char *seq, int code, int action)
+{
+    key_def *base, *p, *attach;
+
+    for (base = attach = NULL; *seq != '\0'; seq++)
+    {
+        p = g_new (key_def, 1);
+        if (base == NULL)
+            base = p;
+        if (attach != NULL)
+            attach->child = p;
+
+        p->ch = *seq;
+        p->code = code;
+        p->child = p->next = NULL;
+        if (seq[1] == '\0')
+            p->action = action;
+        else
+            p->action = MCKEY_NOACTION;
+        attach = p;
+    }
+    return base;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+define_sequences (const key_define_t * kd)
+{
+    int i;
+
+    for (i = 0; kd[i].code != 0; i++)
+        define_sequence (kd[i].code, kd[i].seq, kd[i].action);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+static void
+init_key_x11 (void)
+{
+    if (getenv ("DISPLAY") != NULL && !mc_global.tty.disable_x11)
+    {
+        x11_display = mc_XOpenDisplay (0);
+
+        if (x11_display != NULL)
+            x11_window = DefaultRootWindow (x11_display);
+    }
+}
+#endif /* HAVE_TEXTMODE_X11_SUPPORT */
+
+/* --------------------------------------------------------------------------------------------- */
+/* Workaround for System V Curses vt100 bug */
+
+static int
+getch_with_delay (void)
+{
+    int c;
+
+    /* This routine could be used on systems without mouse support,
+       so we need to do the select check :-( */
+    while (TRUE)
+    {
+        if (pending_keys == NULL)
+            try_channels (FALSE);
+
+        /* Try to get a character */
+        c = get_key_code (0);
+        if (c != -1)
+            break;
+
+        /* Failed -> wait 0.1 secs and try again */
+        try_channels (TRUE);
+    }
+
+    /* Success -> return the character */
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+xmouse_get_event (Gpm_Event * ev, gboolean extended)
+{
+    static gint64 tv1 = 0;      /* Force first click as single */
+    static int clicks = 0;
+    static int last_btn = 0;
+    int btn;
+
+    /* Decode Xterm mouse information to a GPM style event */
+
+    if (!extended)
+    {
+        /* Variable btn has following meaning: */
+        /* 0 = btn1 dn, 1 = btn2 dn, 2 = btn3 dn, 3 = btn up */
+        btn = tty_lowlevel_getch () - 32;
+        /* Coordinates are 33-based */
+        /* Transform them to 1-based */
+        ev->x = tty_lowlevel_getch () - 32;
+        ev->y = tty_lowlevel_getch () - 32;
+    }
+    else
+    {
+        /* SGR 1006 extension (e.g. "\e[<0;12;300M"):
+           - Numbers are encoded in decimal to make it ASCII-safe
+           and to overcome the limit of 223 columns/rows.
+           - Mouse release is encoded by trailing 'm' rather than 'M'
+           so that the released button can be reported.
+           - Numbers are no longer offset by 32. */
+        char c;
+
+        btn = ev->x = ev->y = 0;
+        ev->type = 0;           /* In case we return on an invalid sequence */
+
+        while ((c = tty_lowlevel_getch ()) != ';')
+        {
+            if (c < '0' || c > '9')
+                return;
+            btn = 10 * btn + (c - '0');
+        }
+        while ((c = tty_lowlevel_getch ()) != ';')
+        {
+            if (c < '0' || c > '9')
+                return;
+            ev->x = 10 * ev->x + (c - '0');
+        }
+        while ((c = tty_lowlevel_getch ()) != 'M' && c != 'm')
+        {
+            if (c < '0' || c > '9')
+                return;
+            ev->y = 10 * ev->y + (c - '0');
+        }
+        /* Legacy mouse protocol doesn't tell which button was released,
+           conveniently all of mc's widgets are written not to rely on this
+           information. With the SGR extension the released button becomes
+           known, but for the sake of simplicity we just ignore it. */
+        if (c == 'm')
+            btn = 3;
+    }
+
+    /* There seems to be no way of knowing which button was released */
+    /* So we assume all the buttons were released */
+
+    if (btn == 3)
+    {
+        if (last_btn != 0)
+        {
+            if ((last_btn & (GPM_B_UP | GPM_B_DOWN)) != 0)
+            {
+                /* FIXME: DIRTY HACK */
+                /* don't generate GPM_UP after mouse wheel */
+                /* need for menu event handling */
+                ev->type = 0;
+                tv1 = 0;
+            }
+            else
+            {
+                ev->type = GPM_UP | (GPM_SINGLE << clicks);
+                tv1 = g_get_monotonic_time ();
+            }
+            ev->buttons = 0;
+            last_btn = 0;
+            clicks = 0;
+        }
+        else
+        {
+            /* Bogus event, maybe mouse wheel */
+            ev->type = 0;
+        }
+    }
+    else
+    {
+        gint64 tv2;
+
+        if (btn >= 32 && btn <= 34)
+        {
+            btn -= 32;
+            ev->type = GPM_DRAG;
+        }
+        else
+            ev->type = GPM_DOWN;
+
+        tv2 = g_get_monotonic_time ();
+        if (tv1 != 0 && tv2 - tv1 < (gint64) double_click_speed * MC_USEC_PER_MSEC)
+        {
+            clicks++;
+            clicks %= 3;
+        }
+        else
+            clicks = 0;
+
+        switch (btn)
+        {
+        case 0:
+            ev->buttons = GPM_B_LEFT;
+            break;
+        case 1:
+            ev->buttons = GPM_B_MIDDLE;
+            break;
+        case 2:
+            ev->buttons = GPM_B_RIGHT;
+            break;
+        case 64:
+            ev->buttons = GPM_B_UP;
+            clicks = 0;
+            break;
+        case 65:
+            ev->buttons = GPM_B_DOWN;
+            clicks = 0;
+            break;
+        default:
+            /* Nothing */
+            ev->type = 0;
+            ev->buttons = 0;
+            break;
+        }
+        last_btn = ev->buttons;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get modifier state (shift, alt, ctrl) for the last key pressed.
+ * We are assuming that the state didn't change since the key press.
+ * This is only correct if get_modifier() is called very fast after
+ * the input was received, so that the user didn't release the
+ * modifier keys yet.
+ */
+
+static int
+get_modifier (void)
+{
+    int result = 0;
+#ifdef __QNXNTO__
+    static int in_photon = 0;
+    static int ph_ig = 0;
+#endif /* __QNXNTO__ */
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+    if (x11_window != 0)
+    {
+        Window root, child;
+        int root_x, root_y;
+        int win_x, win_y;
+        unsigned int mask;
+
+        mc_XQueryPointer (x11_display, x11_window, &root, &child, &root_x,
+                          &root_y, &win_x, &win_y, &mask);
+
+        if ((mask & ShiftMask) != 0)
+            result |= KEY_M_SHIFT;
+        if ((mask & ControlMask) != 0)
+            result |= KEY_M_CTRL;
+        return result;
+    }
+#endif /* HAVE_TEXTMODE_X11_SUPPORT */
+
+#ifdef __QNXNTO__
+    if (in_photon == 0)
+    {
+        /* First time here, let's load Photon library and attach to Photon */
+        in_photon = -1;
+
+        if (getenv ("PHOTON2_PATH") != NULL)
+        {
+            /* QNX 6.x has no support for RTLD_LAZY */
+            void *ph_handle;
+
+            ph_handle = dlopen ("/usr/lib/libph.so", RTLD_NOW);
+            if (ph_handle != NULL)
+            {
+                ph_attach = (ph_dv_f) dlsym (ph_handle, "PhAttach");
+                ph_input_group = (ph_ov_f) dlsym (ph_handle, "PhInputGroup");
+                ph_query_cursor = (ph_pqc_f) dlsym (ph_handle, "PhQueryCursor");
+                if ((ph_attach != NULL) && (ph_input_group != NULL) && (ph_query_cursor != NULL)
+                    && (*ph_attach) (0, 0) != NULL)
+                {
+                    /* Attached */
+                    ph_ig = (*ph_input_group) (0);
+                    in_photon = 1;
+                }
+            }
+        }
+    }
+    /* We do not have Photon running. Assume we are in text console or xterm */
+    if (in_photon == -1)
+    {
+        int mod_status;
+        int shift_ext_status;
+
+        if (devctl (fileno (stdin), DCMD_CHR_LINESTATUS, &mod_status, sizeof (mod_status), NULL) ==
+            -1)
+            return 0;
+
+        shift_ext_status = mod_status & 0xffffff00UL;
+        mod_status &= 0x7f;
+        if ((mod_status & _LINESTATUS_CON_ALT) != 0)
+            result |= KEY_M_ALT;
+        if ((mod_status & _LINESTATUS_CON_CTRL) != 0)
+            result |= KEY_M_CTRL;
+        if ((mod_status & _LINESTATUS_CON_SHIFT) != 0 || (shift_ext_status & 0x00000800UL) != 0)
+            result |= KEY_M_SHIFT;
+    }
+    else
+    {
+        PhCursorInfo_t cursor_info;
+
+        (*ph_query_cursor) (ph_ig, &cursor_info);
+        if ((cursor_info.key_mods & 0x04) != 0)
+            result |= KEY_M_ALT;
+        if ((cursor_info.key_mods & 0x02) != 0)
+            result |= KEY_M_CTRL;
+        if ((cursor_info.key_mods & 0x01) != 0)
+            result |= KEY_M_SHIFT;
+    }
+#endif /* __QNXNTO__ */
+
+#if defined __linux__ || (defined __CYGWIN__ && defined TIOCLINUX)
+    {
+        unsigned char modifiers = 6;
+
+        if (ioctl (0, TIOCLINUX, &modifiers) < 0)
+            return 0;
+
+        /* Translate Linux modifiers into mc modifiers */
+        if ((modifiers & SHIFT_PRESSED) != 0)
+            result |= KEY_M_SHIFT;
+        if ((modifiers & (ALTL_PRESSED | ALTR_PRESSED)) != 0)
+            result |= KEY_M_ALT;
+        if ((modifiers & CONTROL_PRESSED) != 0)
+            result |= KEY_M_CTRL;
+    }
+#endif /* !__linux__ */
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+push_char (int c)
+{
+    gboolean ret = FALSE;
+
+    if (seq_append == NULL)
+        seq_append = seq_buffer;
+
+    if (seq_append != &(seq_buffer[SEQ_BUFFER_LEN - 2]))
+    {
+        *(seq_append++) = c;
+        *seq_append = '\0';
+        ret = TRUE;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Apply corrections for the keycode generated in get_key_code() */
+
+static int
+correct_key_code (int code)
+{
+    unsigned int c = code & ~KEY_M_MASK;        /* code without modifier */
+    unsigned int mod = code & KEY_M_MASK;       /* modifier */
+#ifdef __QNXNTO__
+    unsigned int qmod;          /* bunch of the QNX console
+                                   modifiers needs unchanged */
+#endif /* __QNXNTO__ */
+
+    /*
+     * Add key modifiers directly from X11 or OS.
+     * Ordinary characters only get modifiers from sequences.
+     */
+    if (c < 32 || c >= 256)
+        mod |= get_modifier ();
+
+    /* This is needed if the newline is reported as carriage return */
+    if (c == '\r')
+        c = '\n';
+
+    /* This is reported to be useful on AIX */
+    if (c == KEY_SCANCEL)
+        c = '\t';
+
+    /* Convert Back Tab to Shift+Tab */
+    if (c == KEY_BTAB)
+    {
+        c = '\t';
+        mod = KEY_M_SHIFT;
+    }
+
+    /* F0 is the same as F10 for out purposes */
+    if (c == KEY_F (0))
+        c = KEY_F (10);
+
+    /*
+     * We are not interested if Ctrl was pressed when entering control
+     * characters, so assume that it was.  When checking for such keys,
+     * XCTRL macro should be used.  In some cases, we are interested,
+     * e.g. to distinguish Ctrl-Enter from Enter.
+     */
+    if (c == '\b')
+    {
+        /* Special case for backspase ('\b' < 32) */
+        c = KEY_BACKSPACE;
+        mod &= ~KEY_M_CTRL;
+    }
+    else if (c < 32 && c != ESC_CHAR && c != '\t' && c != '\n')
+        mod |= KEY_M_CTRL;
+
+#ifdef __QNXNTO__
+    qmod = get_modifier ();
+
+    if (c == 127 && mod == 0)
+    {
+        /* Add Ctrl/Alt/Shift-BackSpace */
+        mod |= get_modifier ();
+        c = KEY_BACKSPACE;
+    }
+
+    if (c == '0' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
+    {
+        /* Add Shift-Insert on key pad */
+        mod = KEY_M_SHIFT;
+        c = KEY_IC;
+    }
+
+    if (c == '.' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
+    {
+        /* Add Shift-Del on key pad */
+        mod = KEY_M_SHIFT;
+        c = KEY_DC;
+    }
+#endif /* __QNXNTO__ */
+
+    /* Unrecognized 0177 is delete (preserve Ctrl) */
+    if (c == 0177)
+        c = KEY_BACKSPACE;
+
+#if 0
+    /* Unrecognized Ctrl-d is delete */
+    if (c == 'd' & 31)
+    {
+        c = KEY_DC;
+        mod &= ~KEY_M_CTRL;
+    }
+
+    /* Unrecognized Ctrl-h is backspace */
+    if (c == 'h' & 31)
+    {
+        c = KEY_BACKSPACE;
+        mod &= ~KEY_M_CTRL;
+    }
+#endif
+
+    /* Shift+BackSpace is backspace */
+    if (c == KEY_BACKSPACE && (mod & KEY_M_SHIFT) != 0)
+        mod &= ~KEY_M_SHIFT;
+
+    /* Convert Shift+Fn to F(n+10) */
+    if (c >= KEY_F (1) && c <= KEY_F (10) && (mod & KEY_M_SHIFT) != 0)
+        c += 10;
+
+    /* Remove Shift information from function keys */
+    if (c >= KEY_F (1) && c <= KEY_F (20))
+        mod &= ~KEY_M_SHIFT;
+
+    if (!mc_global.tty.alternate_plus_minus)
+        switch (c)
+        {
+        case KEY_KP_ADD:
+            c = '+';
+            break;
+        case KEY_KP_SUBTRACT:
+            c = '-';
+            break;
+        case KEY_KP_MULTIPLY:
+            c = '*';
+            break;
+        default:
+            break;
+        }
+
+    return (mod | c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+getch_with_timeout (unsigned int delay_us)
+{
+    fd_set Read_FD_Set;
+    int c;
+    struct timeval time_out;
+
+    time_out.tv_sec = delay_us / G_USEC_PER_SEC;
+    time_out.tv_usec = delay_us % G_USEC_PER_SEC;
+    tty_nodelay (TRUE);
+    FD_ZERO (&Read_FD_Set);
+    FD_SET (input_fd, &Read_FD_Set);
+    select (input_fd + 1, &Read_FD_Set, NULL, NULL, &time_out);
+    c = tty_lowlevel_getch ();
+    tty_nodelay (FALSE);
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+learn_store_key (char *buffer, char **p, int c)
+{
+    if (*p - buffer > 253)
+        return;
+
+    if (c == ESC_CHAR)
+    {
+        *(*p)++ = '\\';
+        *(*p)++ = 'e';
+    }
+    else if (c < ' ')
+    {
+        *(*p)++ = '^';
+        *(*p)++ = c + 'a' - 1;
+    }
+    else if (c == '^')
+    {
+        *(*p)++ = '^';
+        *(*p)++ = '^';
+    }
+    else
+        *(*p)++ = (char) c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+k_dispose (key_def * k)
+{
+    if (k != NULL)
+    {
+        k_dispose (k->child);
+        k_dispose (k->next);
+        g_free (k);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+key_code_comparator_by_name (const void *p1, const void *p2)
+{
+    const key_code_name_t *n1 = *(const key_code_name_t * const *) p1;
+    const key_code_name_t *n2 = *(const key_code_name_t * const *) p2;
+
+    return g_ascii_strcasecmp (n1->name, n2->name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+key_code_comparator_by_code (const void *p1, const void *p2)
+{
+    const key_code_name_t *n1 = *(const key_code_name_t * const *) p1;
+    const key_code_name_t *n2 = *(const key_code_name_t * const *) p2;
+
+    return n1->code - n2->code;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+sort_key_conv_tab (enum KeySortType type_sort)
+{
+    if (has_been_sorted != type_sort)
+    {
+        size_t i;
+
+        for (i = 0; i < key_conv_tab_size; i++)
+            key_conv_tab_sorted[i] = &key_name_conv_tab[i];
+
+        if (type_sort == KEY_SORTBYNAME)
+            qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
+                   &key_code_comparator_by_name);
+        else if (type_sort == KEY_SORTBYCODE)
+            qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
+                   &key_code_comparator_by_code);
+
+        has_been_sorted = type_sort;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+lookup_keyname (const char *name, int *idx)
+{
+    if (name[0] != '\0')
+    {
+        const key_code_name_t key = { 0, name, NULL, NULL };
+        const key_code_name_t *keyp = &key;
+        const key_code_name_t **res;
+
+        if (name[1] == '\0')
+        {
+            *idx = -1;
+            return (int) name[0];
+        }
+
+        sort_key_conv_tab (KEY_SORTBYNAME);
+
+        res = bsearch (&keyp, key_conv_tab_sorted, key_conv_tab_size,
+                       sizeof (key_conv_tab_sorted[0]), key_code_comparator_by_name);
+
+        if (res != NULL)
+        {
+            *idx = (int) (res - key_conv_tab_sorted);
+            return (*res)->code;
+        }
+    }
+
+    *idx = -1;
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+lookup_keycode (const long code, int *idx)
+{
+    if (code != 0)
+    {
+        const key_code_name_t key = { code, NULL, NULL, NULL };
+        const key_code_name_t *keyp = &key;
+        const key_code_name_t **res;
+
+        sort_key_conv_tab (KEY_SORTBYCODE);
+
+        res = bsearch (&keyp, key_conv_tab_sorted, key_conv_tab_size,
+                       sizeof (key_conv_tab_sorted[0]), key_code_comparator_by_code);
+
+        if (res != NULL)
+        {
+            *idx = (int) (res - key_conv_tab_sorted);
+            return TRUE;
+        }
+    }
+
+    *idx = -1;
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/* This has to be called before init_slang or whatever routine
+   calls any define_sequence */
+
+void
+init_key (void)
+{
+    const char *term;
+
+    term = getenv ("TERM");
+
+    /* This has to be the first define_sequence */
+    /* So, we can assume that the first keys member has ESC */
+    define_sequences (mc_default_keys);
+
+    /* Terminfo on irix does not have some keys */
+    if (mc_global.tty.xterm_flag
+        || (term != NULL
+            && (strncmp (term, "iris-ansi", 9) == 0
+                || strncmp (term, "xterm", 5) == 0
+                || strncmp (term, "rxvt", 4) == 0 || strncmp (term, "screen", 6) == 0)))
+        define_sequences (xterm_key_defines);
+
+    /* load some additional keys (e.g. direct Alt-? support) */
+    load_xtra_key_defines ();
+
+#ifdef __QNX__
+    if ((term != NULL) && (strncmp (term, "qnx", 3) == 0))
+    {
+        /* Modify the default value of use_8th_bit_as_meta: we would
+         * like to provide a working mc for a newbie who knows nothing
+         * about [Options|Display bits|Full 8 bits input]...
+         *
+         * Don't use 'meta'-bit, when we are dealing with a
+         * 'qnx*'-type terminal: clear the default value!
+         * These terminal types use 0xFF as an escape character,
+         * so use_8th_bit_as_meta==1 must not be enabled!
+         *
+         * [mc-4.1.21+,slint.c/getch(): the DEC_8BIT_HACK stuff
+         * is not used now (doesn't even depend on use_8th_bit_as_meta
+         * as in mc-3.1.2)...GREAT!...no additional code is required!]
+         */
+        use_8th_bit_as_meta = FALSE;
+    }
+#endif /* __QNX__ */
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+    init_key_x11 ();
+#endif
+
+    /* Load the qansi-m key definitions
+       if we are running under the qansi-m terminal */
+    if (term != NULL && (strncmp (term, "qansi-m", 7) == 0))
+        define_sequences (qansi_key_defines);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * This has to be called after SLang_init_tty/slint_init
+ */
+
+void
+init_key_input_fd (void)
+{
+#ifdef HAVE_SLANG
+    input_fd = SLang_TT_Read_FD;
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+done_key (void)
+{
+    k_dispose (keys);
+    g_slist_free_full (select_list, g_free);
+
+#ifdef HAVE_TEXTMODE_X11_SUPPORT
+    if (x11_display)
+        mc_XCloseDisplay (x11_display);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+add_select_channel (int fd, select_fn callback, void *info)
+{
+    select_t *new;
+
+    new = g_new (select_t, 1);
+    new->fd = fd;
+    new->callback = callback;
+    new->info = info;
+
+    select_list = g_slist_prepend (select_list, new);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+delete_select_channel (int fd)
+{
+    GSList *p;
+
+    p = g_slist_find_custom (select_list, GINT_TO_POINTER (fd), select_cmp_by_fd);
+    if (p != NULL)
+        select_list = g_slist_delete_link (select_list, p);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+channels_up (void)
+{
+    if (disabled_channels == 0)
+        fputs ("Error: channels_up called with disabled_channels = 0\n", stderr);
+    disabled_channels--;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+channels_down (void)
+{
+    disabled_channels++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return the code associated with the symbolic name keyname
+ */
+
+long
+lookup_key (const char *name, char **label)
+{
+    char **lc_keys, **p;
+    char *cname;
+    int k = -1;
+    int key = 0;
+    int lc_index = -1;
+
+    int use_meta = -1;
+    int use_ctrl = -1;
+    int use_shift = -1;
+
+    if (name == NULL)
+        return 0;
+
+    cname = g_strstrip (g_strdup (name));
+    lc_keys = g_strsplit_set (cname, "-+ ", -1);
+    g_free (cname);
+
+    for (p = lc_keys; p != NULL && *p != NULL; p++)
+    {
+        if ((*p)[0] != '\0')
+        {
+            int idx;
+
+            key = lookup_keyname (g_strstrip (*p), &idx);
+
+            if (key == KEY_M_ALT)
+                use_meta = idx;
+            else if (key == KEY_M_CTRL)
+                use_ctrl = idx;
+            else if (key == KEY_M_SHIFT)
+                use_shift = idx;
+            else
+            {
+                k = key;
+                lc_index = idx;
+                break;
+            }
+        }
+    }
+
+    g_strfreev (lc_keys);
+
+    /* output */
+    if (k <= 0)
+        return 0;
+
+    if (label != NULL)
+    {
+        GString *s;
+
+        s = g_string_new ("");
+
+        if (use_meta != -1)
+        {
+            g_string_append (s, key_conv_tab_sorted[use_meta]->shortcut);
+            g_string_append_c (s, '-');
+        }
+        if (use_ctrl != -1)
+        {
+            g_string_append (s, key_conv_tab_sorted[use_ctrl]->shortcut);
+            g_string_append_c (s, '-');
+        }
+        if (use_shift != -1)
+        {
+            if (k < 127)
+                g_string_append_c (s, (gchar) g_ascii_toupper ((gchar) k));
+            else
+            {
+                g_string_append (s, key_conv_tab_sorted[use_shift]->shortcut);
+                g_string_append_c (s, '-');
+                g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
+            }
+        }
+        else if (k < 128)
+        {
+            if ((k >= 'A') || (lc_index < 0) || (key_conv_tab_sorted[lc_index]->shortcut == NULL))
+                g_string_append_c (s, (gchar) g_ascii_tolower ((gchar) k));
+            else
+                g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
+        }
+        else if ((lc_index != -1) && (key_conv_tab_sorted[lc_index]->shortcut != NULL))
+            g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
+        else
+            g_string_append_c (s, (gchar) g_ascii_tolower ((gchar) key));
+
+        *label = g_string_free (s, FALSE);
+    }
+
+    if (use_shift != -1)
+    {
+        if (k < 127 && k > 31)
+            k = g_ascii_toupper ((gchar) k);
+        else
+            k |= KEY_M_SHIFT;
+    }
+
+    if (use_ctrl != -1)
+    {
+        if (k < 256)
+            k = XCTRL (k);
+        else
+            k |= KEY_M_CTRL;
+    }
+
+    if (use_meta != -1)
+        k = ALT (k);
+
+    return (long) k;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+lookup_key_by_code (const int keycode)
+{
+    /* code without modifier */
+    unsigned int k = keycode & ~KEY_M_MASK;
+    /* modifier */
+    unsigned int mod = keycode & KEY_M_MASK;
+
+    int key_idx = -1;
+
+    GString *s;
+    int idx;
+
+    s = g_string_sized_new (8);
+
+    if (lookup_keycode (k, &key_idx) || (k > 0 && k < 256))
+    {
+        if ((mod & KEY_M_ALT) != 0 && lookup_keycode (KEY_M_ALT, &idx))
+        {
+            g_string_append (s, key_conv_tab_sorted[idx]->name);
+            g_string_append_c (s, '-');
+        }
+
+        if ((mod & KEY_M_CTRL) != 0)
+        {
+            /* non printeble chars like a CTRL-[A..Z] */
+            if (k < 32)
+                k += 64;
+
+            if (lookup_keycode (KEY_M_CTRL, &idx))
+            {
+                g_string_append (s, key_conv_tab_sorted[idx]->name);
+                g_string_append_c (s, '-');
+            }
+        }
+
+        if ((mod & KEY_M_SHIFT) != 0)
+        {
+            if (lookup_keycode (KEY_M_ALT, &idx))
+            {
+                if (k < 127)
+                    g_string_append_c (s, (gchar) g_ascii_toupper ((gchar) k));
+                else
+                {
+                    g_string_append (s, key_conv_tab_sorted[idx]->name);
+                    g_string_append_c (s, '-');
+                    g_string_append (s, key_conv_tab_sorted[key_idx]->name);
+                }
+            }
+        }
+        else if (k < 128)
+        {
+            if ((k >= 'A') || (key_idx < 0) || (key_conv_tab_sorted[key_idx]->name == NULL))
+                g_string_append_c (s, (gchar) k);
+            else
+                g_string_append (s, key_conv_tab_sorted[key_idx]->name);
+        }
+        else if ((key_idx != -1) && (key_conv_tab_sorted[key_idx]->name != NULL))
+            g_string_append (s, key_conv_tab_sorted[key_idx]->name);
+        else
+            g_string_append_c (s, (gchar) keycode);
+    }
+
+    return g_string_free (s, s->len == 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return TRUE on success, FALSE on error.
+ * An error happens if SEQ is a beginning of an existing longer sequence.
+ */
+
+gboolean
+define_sequence (int code, const char *seq, int action)
+{
+    key_def *base;
+
+    if (strlen (seq) > SEQ_BUFFER_LEN - 1)
+        return FALSE;
+
+    for (base = keys; (base != NULL) && (*seq != '\0');)
+        if (*seq == base->ch)
+        {
+            if (base->child == NULL)
+            {
+                if (*(seq + 1) != '\0')
+                    base->child = create_sequence (seq + 1, code, action);
+                else
+                {
+                    /* The sequence matches an existing one.  */
+                    base->code = code;
+                    base->action = action;
+                }
+                return TRUE;
+            }
+
+            base = base->child;
+            seq++;
+        }
+        else
+        {
+            if (base->next != NULL)
+                base = base->next;
+            else
+            {
+                base->next = create_sequence (seq, code, action);
+                return TRUE;
+            }
+        }
+
+    if (*seq == '\0')
+    {
+        /* Attempt to redefine a sequence with a shorter sequence.  */
+        return FALSE;
+    }
+
+    keys = create_sequence (seq, code, action);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check if we are idle, i.e. there are no pending keyboard or mouse
+ * events.  Return 1 is idle, 0 is there are pending events.
+ */
+gboolean
+is_idle (void)
+{
+    int nfd;
+    fd_set select_set;
+    struct timeval time_out;
+
+    FD_ZERO (&select_set);
+    FD_SET (input_fd, &select_set);
+    nfd = MAX (0, input_fd) + 1;
+    time_out.tv_sec = 0;
+    time_out.tv_usec = 0;
+#ifdef HAVE_LIBGPM
+    if (mouse_enabled && use_mouse_p == MOUSE_GPM)
+    {
+        if (gpm_fd >= 0)
+        {
+            FD_SET (gpm_fd, &select_set);
+            nfd = MAX (nfd, gpm_fd + 1);
+        }
+        else
+        {
+            if (mouse_fd >= 0)  /* error indicative */
+            {
+                if (FD_ISSET (mouse_fd, &select_set))
+                    FD_CLR (mouse_fd, &select_set);
+                mouse_fd = gpm_fd;
+            }
+            /* gpm_fd == -2 means under some X terminal */
+            if (gpm_fd == -1)
+            {
+                mouse_enabled = FALSE;
+                use_mouse_p = MOUSE_NONE;
+            }
+        }
+    }
+#endif
+    return (select (nfd, &select_set, 0, 0, &time_out) <= 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+get_key_code (int no_delay)
+{
+    int c;
+    static key_def *this = NULL, *parent;
+    static gint64 esc_time = -1;
+    static int lastnodelay = -1;
+
+    if (no_delay != lastnodelay)
+    {
+        this = NULL;
+        lastnodelay = no_delay;
+    }
+
+  pend_send:
+    if (pending_keys != NULL)
+    {
+        gboolean bad_seq;
+
+        c = *pending_keys++;
+        while (c == ESC_CHAR)
+            c = ALT (*pending_keys++);
+
+        bad_seq = (*pending_keys != ESC_CHAR && *pending_keys != '\0');
+        if (*pending_keys == '\0' || bad_seq)
+            pending_keys = seq_append = NULL;
+
+        if (bad_seq)
+        {
+            /* This is an unknown ESC sequence.
+             * To prevent interpreting its tail as a random garbage,
+             * eat and discard all buffered and quickly following chars.
+             * Small, but non-zero timeout is needed to reconnect
+             * escape sequence split up by e.g. a serial line.
+             */
+            int paranoia = 20;
+
+            while (getch_with_timeout (old_esc_mode_timeout) >= 0 && --paranoia != 0)
+                ;
+        }
+        else
+        {
+            if (c > 127 && c < 256 && use_8th_bit_as_meta)
+                c = ALT (c & 0x7f);
+
+            goto done;
+        }
+    }
+
+  nodelay_try_again:
+    if (no_delay != 0)
+        tty_nodelay (TRUE);
+
+    c = tty_lowlevel_getch ();
+#if (defined(USE_NCURSES) || defined(USE_NCURSESW)) && defined(KEY_RESIZE)
+    if (c == KEY_RESIZE)
+        goto nodelay_try_again;
+#endif
+
+    if (no_delay != 0)
+    {
+        tty_nodelay (FALSE);
+        if (c == -1)
+        {
+            if (this == NULL || parent == NULL || parent->action != MCKEY_ESCAPE || !old_esc_mode ||
+                esc_time == -1 || g_get_monotonic_time () < esc_time + old_esc_mode_timeout)
+                return -1;
+
+            this = NULL;
+            pending_keys = seq_append = NULL;
+            return ESC_CHAR;
+        }
+    }
+    else if (c == -1)
+    {
+        /* Maybe we got an incomplete match.
+           This we do only in delay mode, since otherwise
+           tty_lowlevel_getch can return -1 at any time. */
+        if (seq_append == NULL)
+        {
+            this = NULL;
+            return -1;
+        }
+
+        pending_keys = seq_buffer;
+        goto pend_send;
+    }
+
+    /* Search the key on the root */
+    if (no_delay == 0 || this == NULL)
+    {
+        this = keys;
+        parent = NULL;
+
+        if (c > 127 && c < 256 && use_8th_bit_as_meta)
+        {
+            c &= 0x7f;
+
+            /* The first sequence defined starts with esc */
+            parent = keys;
+            this = keys->child;
+        }
+    }
+
+    while (this != NULL)
+    {
+        if (c == this->ch)
+        {
+            if (this->child == NULL)
+            {
+                /* We got a complete match, return and reset search */
+                pending_keys = seq_append = NULL;
+                c = this->code;
+                goto done;
+            }
+
+            /* No match yet, but it may be a prefix for a valid seq */
+            if (!push_char (c))
+            {
+                pending_keys = seq_buffer;
+                goto pend_send;
+            }
+
+            parent = this;
+            this = this->child;
+            if (parent->action == MCKEY_ESCAPE && old_esc_mode)
+            {
+                if (no_delay != 0)
+                {
+                    esc_time = g_get_monotonic_time ();
+                    goto nodelay_try_again;
+                }
+
+                esc_time = -1;
+                c = getch_with_timeout (old_esc_mode_timeout);
+                if (c != -1)
+                    continue;
+
+                pending_keys = seq_append = NULL;
+                this = NULL;
+                return ESC_CHAR;
+            }
+
+            if (no_delay != 0)
+                goto nodelay_try_again;
+            c = tty_lowlevel_getch ();
+            continue;
+        }
+
+        /* c != this->ch. Try other keys with this prefix */
+        if (this->next != NULL)
+        {
+            this = this->next;
+            continue;
+        }
+
+        /* No match found. Is it one of our ESC <key> specials? */
+        if ((parent != NULL) && (parent->action == MCKEY_ESCAPE))
+        {
+            /* Convert escape-digits to F-keys */
+            if (g_ascii_isdigit (c))
+                c = KEY_F (c - '0');
+            else if (c == ' ')
+                c = ESC_CHAR;
+            else
+                c = ALT (c);
+
+            pending_keys = seq_append = NULL;
+            goto done;
+        }
+
+        /* Unknown sequence. Maybe a prefix of a longer one. Save it. */
+        push_char (c);
+        pending_keys = seq_buffer;
+        goto pend_send;
+    }                           /* while (this != NULL) */
+
+  done:
+    this = NULL;
+    return correct_key_code (c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Returns a character read from stdin with appropriate interpretation */
+/* Also takes care of generated mouse events */
+/* Returns EV_MOUSE if it is a mouse event */
+/* Returns EV_NONE  if non-blocking or interrupt set and nothing was done */
+
+int
+tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block)
+{
+    int c;
+    int flag = 0;               /* Return value from select */
+#ifdef HAVE_LIBGPM
+    static struct Gpm_Event ev; /* Mouse event */
+#endif
+    struct timeval time_out;
+    struct timeval *time_addr = NULL;
+    static int dirty = 3;
+
+    if ((dirty == 3) || is_idle ())
+    {
+        mc_refresh ();
+        dirty = 1;
+    }
+    else
+        dirty++;
+
+    vfs_timeout_handler ();
+
+    /* Ok, we use (event->x < 0) to signal that the event does not contain
+       a suitable position for the mouse, so we can't use show_mouse_pointer
+       on it.
+     */
+    if (event->x > 0)
+    {
+        show_mouse_pointer (event->x, event->y);
+        if (!redo_event)
+            event->x = -1;
+    }
+
+    /* Repeat if using mouse */
+    while (pending_keys == NULL)
+    {
+        int nfd;
+        fd_set select_set;
+
+        FD_ZERO (&select_set);
+        FD_SET (input_fd, &select_set);
+        nfd = MAX (add_selects (&select_set), MAX (0, input_fd)) + 1;
+
+#ifdef HAVE_LIBGPM
+        if (mouse_enabled && (use_mouse_p == MOUSE_GPM))
+        {
+            if (gpm_fd >= 0)
+            {
+                FD_SET (gpm_fd, &select_set);
+                nfd = MAX (nfd, gpm_fd + 1);
+            }
+            else
+            {
+                if (mouse_fd >= 0)      /* error indicative */
+                {
+                    if (FD_ISSET (mouse_fd, &select_set))
+                        FD_CLR (mouse_fd, &select_set);
+                    mouse_fd = gpm_fd;
+                }
+                /* gpm_fd == -2 means under some X terminal */
+                if (gpm_fd == -1)
+                {
+                    mouse_enabled = FALSE;
+                    use_mouse_p = MOUSE_NONE;
+                }
+                break;
+            }
+        }
+#endif
+
+        if (redo_event)
+        {
+            time_out.tv_usec = mou_auto_repeat * MC_USEC_PER_MSEC;
+            time_out.tv_sec = 0;
+
+            time_addr = &time_out;
+        }
+        else
+        {
+            int seconds;
+
+            seconds = vfs_timeouts ();
+            time_addr = NULL;
+
+            if (seconds != 0)
+            {
+                /* the timeout could be improved and actually be
+                 * the number of seconds until the next vfs entry
+                 * timeouts in the stamp list.
+                 */
+
+                time_out.tv_sec = seconds;
+                time_out.tv_usec = 0;
+                time_addr = &time_out;
+            }
+        }
+
+        if (!block || tty_got_winch ())
+        {
+            time_addr = &time_out;
+            time_out.tv_sec = 0;
+            time_out.tv_usec = 0;
+        }
+
+        tty_enable_interrupt_key ();
+        flag = select (nfd, &select_set, NULL, NULL, time_addr);
+        tty_disable_interrupt_key ();
+
+        /* select timed out: it could be for any of the following reasons:
+         * redo_event -> it was because of the MOU_REPEAT handler
+         * !block     -> we did not block in the select call
+         * else       -> 10 second timeout to check the vfs status.
+         */
+        if (flag == 0)
+        {
+            if (redo_event)
+                return EV_MOUSE;
+            if (!block || tty_got_winch ())
+                return EV_NONE;
+            vfs_timeout_handler ();
+        }
+        if (flag == -1 && errno == EINTR)
+            return EV_NONE;
+
+        check_selects (&select_set);
+
+        if (FD_ISSET (input_fd, &select_set))
+            break;
+
+#ifdef HAVE_LIBGPM
+        if (mouse_enabled && use_mouse_p == MOUSE_GPM)
+        {
+            if (gpm_fd >= 0)
+            {
+                if (FD_ISSET (gpm_fd, &select_set))
+                {
+                    int status;
+
+                    status = Gpm_GetEvent (&ev);
+                    if (status == 1)    /* success */
+                    {
+                        Gpm_FitEvent (&ev);
+                        *event = ev;
+                        return EV_MOUSE;
+                    }
+                    if (status <= 0)    /* connection closed; -1 == error */
+                    {
+                        if (mouse_fd >= 0 && FD_ISSET (mouse_fd, &select_set))
+                            FD_CLR (mouse_fd, &select_set);
+
+                        disable_mouse ();
+                        return EV_NONE;
+                    }
+                }
+            }
+            else
+            {
+                if (mouse_fd >= 0)      /* error indicative */
+                {
+                    if (FD_ISSET (mouse_fd, &select_set))
+                        FD_CLR (mouse_fd, &select_set);
+                    mouse_fd = gpm_fd;
+                }
+                /* gpm_fd == -2 means under some X terminal */
+                if (gpm_fd == -1)
+                {
+                    mouse_enabled = FALSE;
+                    use_mouse_p = MOUSE_NONE;
+                }
+                break;
+            }
+        }
+#endif /* !HAVE_LIBGPM */
+    }
+
+#ifndef HAVE_SLANG
+    flag = is_wintouched (stdscr);
+    untouchwin (stdscr);
+#endif /* !HAVE_SLANG */
+    c = block ? getch_with_delay () : get_key_code (1);
+
+#ifndef HAVE_SLANG
+    if (flag > 0)
+        tty_touch_screen ();
+#endif /* !HAVE_SLANG */
+
+    if (mouse_enabled && (c == MCKEY_MOUSE
+#ifdef KEY_MOUSE
+                          || c == KEY_MOUSE
+#endif /* KEY_MOUSE */
+                          || c == MCKEY_EXTENDED_MOUSE))
+    {
+        /* Mouse event. See tickets 2956 and 3954 for extended mode detection. */
+        gboolean extended = c == MCKEY_EXTENDED_MOUSE;
+
+#ifdef KEY_MOUSE
+        extended = extended || (c == KEY_MOUSE && xmouse_seq == NULL
+                                && xmouse_extended_seq != NULL);
+#endif /* KEY_MOUSE */
+
+        xmouse_get_event (event, extended);
+        c = (event->type != 0) ? EV_MOUSE : EV_NONE;
+    }
+    else if (c == MCKEY_BRACKETED_PASTING_START)
+    {
+        bracketed_pasting_in_progress = TRUE;
+        c = EV_NONE;
+    }
+    else if (c == MCKEY_BRACKETED_PASTING_END)
+    {
+        bracketed_pasting_in_progress = FALSE;
+        c = EV_NONE;
+    }
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Returns a key press, mouse events are discarded */
+
+int
+tty_getch (void)
+{
+    Gpm_Event ev;
+    int key;
+
+    ev.x = -1;
+    while ((key = tty_get_event (&ev, FALSE, TRUE)) == EV_NONE)
+        ;
+    return key;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+learn_key (void)
+{
+    /* LEARN_TIMEOUT in ms */
+#define LEARN_TIMEOUT 200
+
+    fd_set Read_FD_Set;
+    gint64 end_time;
+    int c;
+    char buffer[256];
+    char *p = buffer;
+
+    tty_keypad (FALSE);         /* disable intepreting keys by ncurses */
+    c = tty_lowlevel_getch ();
+    while (c == -1)
+        c = tty_lowlevel_getch ();      /* Sanity check, should be unnecessary */
+    learn_store_key (buffer, &p, c);
+
+    end_time = g_get_monotonic_time () + LEARN_TIMEOUT * MC_USEC_PER_MSEC;
+
+    tty_nodelay (TRUE);
+    while (TRUE)
+    {
+        while ((c = tty_lowlevel_getch ()) == -1)
+        {
+            gint64 time_out;
+            struct timeval tv;
+
+            time_out = end_time - g_get_monotonic_time ();
+            if (time_out <= 0)
+                break;
+
+            tv.tv_sec = time_out / G_USEC_PER_SEC;
+            tv.tv_usec = time_out % G_USEC_PER_SEC;
+            FD_ZERO (&Read_FD_Set);
+            FD_SET (input_fd, &Read_FD_Set);
+            select (input_fd + 1, &Read_FD_Set, NULL, NULL, &tv);
+        }
+        if (c == -1)
+            break;
+        learn_store_key (buffer, &p, c);
+    }
+    tty_keypad (TRUE);
+    tty_nodelay (FALSE);
+    *p = '\0';
+    return (buffer[0] != '\0' ? g_strdup (buffer) : NULL);
+#undef LEARN_TIMEOUT
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* xterm and linux console only: set keypad to numeric or application
+   mode. Only in application keypad mode it's possible to distinguish
+   the '+' key and the '+' on the keypad ('*' and '-' ditto) */
+
+void
+numeric_keypad_mode (void)
+{
+    if (mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)
+    {
+        fputs (ESC_STR ">", stdout);
+        fflush (stdout);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+application_keypad_mode (void)
+{
+    if (mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)
+    {
+        fputs (ESC_STR "=", stdout);
+        fflush (stdout);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+enable_bracketed_paste (void)
+{
+    printf (ESC_STR "[?2004h");
+    fflush (stdout);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+disable_bracketed_paste (void)
+{
+    printf (ESC_STR "[?2004l");
+    fflush (stdout);
+    bracketed_pasting_in_progress = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/key.h b/lib/tty/key.h
new file mode 100644
index 0000000..5bf6b00
--- /dev/null
+++ b/lib/tty/key.h
@@ -0,0 +1,121 @@
+/** \file key.h
+ *  \brief Header: keyboard support routines
+ */
+
+#ifndef MC__KEY_H
+#define MC__KEY_H
+
+#include "lib/global.h"         /* <glib.h> */
+#include "tty.h"                /* KEY_F macro */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Possible return values from tty_get_event: */
+#define EV_MOUSE   -2
+#define EV_NONE    -1
+
+/*
+ * Internal representation of the key modifiers.  It is used in the
+ * sequence tables and the keycodes in the mc sources.
+ */
+#define KEY_M_SHIFT 0x1000
+#define KEY_M_ALT   0x2000
+#define KEY_M_CTRL  0x4000
+#define KEY_M_MASK  0x7000
+
+#define XCTRL(x) (KEY_M_CTRL | ((x) & 0x1F))
+#define ALT(x) (KEY_M_ALT | (unsigned int)(x))
+
+/* To define sequences and return codes */
+#define MCKEY_NOACTION  0
+#define MCKEY_ESCAPE    1
+
+/* Return code for the mouse sequence */
+#define MCKEY_MOUSE     -2
+
+/* Return code for the extended mouse sequence */
+#define MCKEY_EXTENDED_MOUSE     -3
+
+/* Return code for brackets of bracketed paste mode */
+#define MCKEY_BRACKETED_PASTING_START -4
+#define MCKEY_BRACKETED_PASTING_END   -5
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    int code;
+    const char *name;
+    const char *longname;
+    const char *shortcut;
+} key_code_name_t;
+
+struct Gpm_Event;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern const key_code_name_t key_name_conv_tab[];
+
+extern int old_esc_mode_timeout;
+
+extern int double_click_speed;
+extern gboolean old_esc_mode;
+extern gboolean use_8th_bit_as_meta;
+extern int mou_auto_repeat;
+
+extern gboolean bracketed_pasting_in_progress;
+
+/*** declarations of public functions ************************************************************/
+
+gboolean define_sequence (int code, const char *seq, int action);
+
+void init_key (void);
+void init_key_input_fd (void);
+void done_key (void);
+
+long lookup_key (const char *name, char **label);
+char *lookup_key_by_code (const int keycode);
+/* mouse support */
+int tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block);
+gboolean is_idle (void);
+int tty_getch (void);
+
+/* While waiting for input, the program can select on more than one file */
+typedef int (*select_fn) (int fd, void *info);
+
+/* Channel manipulation */
+void add_select_channel (int fd, select_fn callback, void *info);
+void delete_select_channel (int fd);
+
+/* Activate/deactivate the channel checking */
+void channels_up (void);
+void channels_down (void);
+
+/* internally used in key.c, defined in keyxtra.c */
+void load_xtra_key_defines (void);
+
+/* Learn a single key */
+char *learn_key (void);
+
+/* Returns a key code (interpreted) */
+int get_key_code (int nodelay);
+
+/* Set keypad mode (xterm and linux console only) */
+void numeric_keypad_mode (void);
+void application_keypad_mode (void);
+
+/* Bracketed paste mode */
+void enable_bracketed_paste (void);
+void disable_bracketed_paste (void);
+
+/*** inline functions ****************************************************************************/
+
+static inline gboolean
+is_abort_char (int c)
+{
+    return ((c == (int) ESC_CHAR) || (c == (int) KEY_F (10)));
+}
+
+#endif /* MC_KEY_H */
diff --git a/lib/tty/keyxdef.c b/lib/tty/keyxdef.c
new file mode 100644
index 0000000..edc8114
--- /dev/null
+++ b/lib/tty/keyxdef.c
@@ -0,0 +1,455 @@
+/* {{{ Copyright */
+
+/*
+   Additional keyboard support routines.
+
+   Copyright (C) 1998-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Gyorgy Tamasi, 1998
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* }}} */
+
+/** \file keyxdef.c
+ *  \brief Source: additional keyboard support routines
+ *
+ * PURPOSE:
+ *   We would like to support the direct ALT-?/META-? and some other 'extra'
+ *   keyboard functionality provided by some terminals under some OSes (and
+ *   not supported by the 'learn keys...' facility of 'mc'.
+ *   (First target platform: QNX.)
+ *
+ * REMARK:
+ *
+ *   Implementation strategy: we don't want to rely on a specific terminal
+ *   information database management API (termcap,terminfo,SLang,...), so we
+ *   try to define a superset of the possible key identifiers here.
+ *
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+
+#include "tty.h"
+#include "mouse.h"              /* required before key.h */
+#include "key.h"
+
+#if defined (__QNX__) && !defined (__QNXNTO__)
+#define HAVE_QNX_KEYS
+#endif
+
+#ifdef HAVE_QNX_KEYS
+
+/* select implementation: use QNX/term interface */
+#define __USE_QNX_TI
+
+/* implementation specific _TE() definition */
+#ifdef __USE_QNX_TI
+
+/* include QNX/term.h (not NCURSES/term.h!) */
+#if __WATCOMC__ > 1000
+#include <sys/term.h>
+#else
+#include <term.h>
+#endif
+#include <stdlib.h>             /* getenv() */
+
+/* fieldname -> index conversion */
+#define __QTISX(_qtisn) \
+	(((int)(&((struct _strs*)0)->_qtisn))/sizeof(charoffset))
+
+/* define the OS/implementation-specific __TK() format */
+#define __TK(_tis,_tcs,_tisx,_qtisn)  __QTISX(_qtisn)
+
+#endif /* __USE_QNX_TI */
+
+#endif /* HAVE_QNX_KEYS */
+
+
+/* {{{ */
+
+/* general key definitions:
+ * 
+ * format:
+ * 
+ *   terminfo name,
+ *   termcap name,
+ *   index in the terminfo string table (ncurses),
+ *   field name in the QNX terminfo strings struct
+ */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+
+#define Key_backspace   __TK("kbs",   "kb",  55, _ky_backspace )
+#define Key_catab       __TK("ktbc",  "ka",  56, _ky_catab )
+#define Key_clear       __TK("kclr",  "kC",  57, _ky_clear )
+#define Key_ctab        __TK("kctab", "kt",  58, _ky_ctab )
+#define Key_dc          __TK("kdch1", "kD",  59, _ky_dc )
+#define Key_dl          __TK("kdl1",  "kL",  60, _ky_dl )
+#define Key_down        __TK("kcud1", "kd",  61, _ky_down )
+#define Key_eic         __TK("krmir", "kM",  62, _ky_eic )
+#define Key_eol         __TK("kel",   "kE",  63, _ky_eol )
+#define Key_eos         __TK("ked",   "kS",  64, _ky_eos )
+#define Key_f0          __TK("kf0",   "k0",  65, _ky_f0 )
+#define Key_f1          __TK("kf1",   "k1",  66, _ky_f1 )
+#define Key_f10         __TK("kf10",  "k;",  67, _ky_f10 )
+#define Key_f2          __TK("kf2",   "k2",  68, _ky_f2 )
+#define Key_f3          __TK("kf3",   "k3",  69, _ky_f3 )
+#define Key_f4          __TK("kf4",   "k4",  70, _ky_f4 )
+#define Key_f5          __TK("kf5",   "k5",  71, _ky_f5 )
+#define Key_f6          __TK("kf6",   "k6",  72, _ky_f6 )
+#define Key_f7          __TK("kf7",   "k7",  73, _ky_f7 )
+#define Key_f8          __TK("kf8",   "k8",  74, _ky_f8 )
+#define Key_f9          __TK("kf9",   "k9",  75, _ky_f9 )
+#define Key_home        __TK("khome", "kh",  76, _ky_home )
+#define Key_ic          __TK("kich1", "kI",  77, _ky_ic )
+#define Key_il          __TK("kil1",  "kA",  78, _ky_il )
+#define Key_left        __TK("kcub1", "kl",  79, _ky_left )
+#define Key_ll          __TK("kll",   "kH",  80, _ky_ll )
+#define Key_npage       __TK("knp",   "kN",  81, _ky_npage )
+#define Key_ppage       __TK("kpp",   "kP",  82, _ky_ppage )
+#define Key_right       __TK("kcuf1", "kr",  83, _ky_right )
+#define Key_sf          __TK("kind",  "kF",  84, _ky_sf )
+#define Key_sr          __TK("kri",   "kR",  85, _ky_sr )
+#define Key_stab        __TK("khts",  "kT",  86, _ky_stab )
+#define Key_up          __TK("kcuu1", "ku",  87, _ky_up )
+#define Key_a1          __TK("ka1",   "K1", 139, _ky_a1 )
+#define Key_a3          __TK("ka3",   "K3", 140, _ky_a3 )
+#define Key_b2          __TK("kb2",   "K2", 141, _ky_b2 )
+#define Key_c1          __TK("kc1",   "K4", 142, _ky_c1 )
+#define Key_c3          __TK("kc3",   "K5", 143, _ky_c3 )
+#define Key_btab        __TK("kcbt",  "kB", 148, _ky_btab )
+#define Key_beg         __TK("kbeg",  "@1", 158, _ky_beg )
+#define Key_cancel      __TK("kcan",  "@2", 159, _ky_cancel )
+#define Key_close       __TK("kclo",  "@3", 160, _ky_close )
+#define Key_command     __TK("kcmd",  "@4", 161, _ky_command )
+#define Key_copy        __TK("kcpy",  "@5", 162, _ky_copy )
+#define Key_create      __TK("kcrt",  "@6", 163, _ky_create )
+#define Key_end         __TK("kend",  "@7", 164, _ky_end )
+#define Key_enter       __TK("kent",  "@8", 165, _ky_enter )
+#define Key_exit        __TK("kext",  "@9", 166, _ky_exit )
+#define Key_find        __TK("kfnd",  "@0", 167, _ky_find )
+#define Key_help        __TK("khlp",  "%1", 168, _ky_help )
+#define Key_mark        __TK("kmrk",  "%2", 169, _ky_mark )
+#define Key_message     __TK("kmsg",  "%3", 170, _ky_message )
+#define Key_move        __TK("kmov",  "%4", 171, _ky_move )
+#define Key_next        __TK("knxt",  "%5", 172, _ky_next )
+#define Key_open        __TK("kopn",  "%6", 173, _ky_open )
+#define Key_options     __TK("kopt",  "%7", 174, _ky_options )
+#define Key_previous    __TK("kprv",  "%8", 175, _ky_previous )
+#define Key_print       __TK("kprt",  "%9", 176, _ky_print )
+#define Key_redo        __TK("krdo",  "%0", 177, _ky_redo )
+#define Key_reference   __TK("kref",  "&1", 178, _ky_reference )
+#define Key_refresh     __TK("krfr",  "&2", 179, _ky_refresh )
+#define Key_replace     __TK("krpl",  "&3", 180, _ky_replace )
+#define Key_restart     __TK("krst",  "&4", 181, _ky_restart )
+#define Key_resume      __TK("kres",  "&5", 182, _ky_resume )
+#define Key_save        __TK("ksav",  "&6", 183, _ky_save )
+#define Key_suspend     __TK("kspd",  "&7", 184, _ky_suspend )
+#define Key_undo        __TK("kund",  "&8", 185, _ky_undo )
+#define Key_sbeg        __TK("kBEG",  "&9", 186, _ky_sbeg )
+#define Key_scancel     __TK("kCAN",  "&0", 187, _ky_scancel )
+#define Key_scommand    __TK("kCMD",  "*1", 188, _ky_scommand )
+#define Key_scopy       __TK("kCPY",  "*2", 189, _ky_scopy )
+#define Key_screate     __TK("kCRT",  "*3", 190, _ky_screate )
+#define Key_sdc         __TK("kDC",   "*4", 191, _ky_sdc )
+#define Key_sdl         __TK("kDL",   "*5", 192, _ky_sdl )
+#define Key_select      __TK("kslt",  "*6", 193, _ky_select )
+#define Key_send        __TK("kEND",  "*7", 194, _ky_send )
+#define Key_seol        __TK("kEOL",  "*8", 195, _ky_seol )
+#define Key_sexit       __TK("kEXT",  "*9", 196, _ky_sexit )
+#define Key_sfind       __TK("kFND",  "*0", 197, _ky_sfind )
+#define Key_shelp       __TK("kHLP",  "#1", 198, _ky_shelp )
+#define Key_shome       __TK("kHOM",  "#2", 199, _ky_shome )
+#define Key_sic         __TK("kIC",   "#3", 200, _ky_sic )
+#define Key_sleft       __TK("kLFT",  "#4", 201, _ky_sleft )
+#define Key_smessage    __TK("kMSG",  "%a", 202, _ky_smessage )
+#define Key_smove       __TK("kMOV",  "%b", 203, _ky_smove )
+#define Key_snext       __TK("kNXT",  "%c", 204, _ky_snext )
+#define Key_soptions    __TK("kOPT",  "%d", 205, _ky_soptions )
+#define Key_sprevious   __TK("kPRV",  "%e", 206, _ky_sprevious )
+#define Key_sprint      __TK("kPRT",  "%f", 207, _ky_sprint )
+#define Key_sredo       __TK("kRDO",  "%g", 208, _ky_sredo )
+#define Key_sreplace    __TK("kRPL",  "%h", 209, _ky_sreplace )
+#define Key_sright      __TK("kRIT",  "%i", 210, _ky_sright )
+#define Key_srsume      __TK("kRES",  "%j", 211, _ky_srsume )
+#define Key_ssave       __TK("kSAV",  "!1", 212, _ky_ssave )
+#define Key_ssuspend    __TK("kSPD",  "!2", 213, _ky_ssuspend )
+#define Key_sundo       __TK("kUND",  "!3", 214, _ky_sundo )
+#define Key_f11         __TK("kf11",  "F1", 216, _ky_f11 )
+#define Key_f12         __TK("kf12",  "F2", 217, _ky_f12 )
+#define Key_f13         __TK("kf13",  "F3", 218, _ky_f13 )
+#define Key_f14         __TK("kf14",  "F4", 219, _ky_f14 )
+#define Key_f15         __TK("kf15",  "F5", 220, _ky_f15 )
+#define Key_f16         __TK("kf16",  "F6", 221, _ky_f16 )
+#define Key_f17         __TK("kf17",  "F7", 222, _ky_f17 )
+#define Key_f18         __TK("kf18",  "F8", 223, _ky_f18 )
+#define Key_f19         __TK("kf19",  "F9", 224, _ky_f19 )
+#define Key_f20         __TK("kf20",  "FA", 225, _ky_f20 )
+#define Key_f21         __TK("kf21",  "FB", 226, _ky_f21 )
+#define Key_f22         __TK("kf22",  "FC", 227, _ky_f22 )
+#define Key_f23         __TK("kf23",  "FD", 228, _ky_f23 )
+#define Key_f24         __TK("kf24",  "FE", 229, _ky_f24 )
+#define Key_f25         __TK("kf25",  "FF", 230, _ky_f25 )
+#define Key_f26         __TK("kf26",  "FG", 231, _ky_f26 )
+#define Key_f27         __TK("kf27",  "FH", 232, _ky_f27 )
+#define Key_f28         __TK("kf28",  "FI", 233, _ky_f28 )
+#define Key_f29         __TK("kf29",  "FJ", 234, _ky_f29 )
+#define Key_f30         __TK("kf30",  "FK", 235, _ky_f30 )
+#define Key_f31         __TK("kf31",  "FL", 236, _ky_f31 )
+#define Key_f32         __TK("kf32",  "FM", 237, _ky_f32 )
+#define Key_f33         __TK("kf33",  "FN", 238, _ky_f33 )
+#define Key_f34         __TK("kf34",  "FO", 239, _ky_f34 )
+#define Key_f35         __TK("kf35",  "FP", 240, _ky_f35 )
+#define Key_f36         __TK("kf36",  "FQ", 241, _ky_f36 )
+#define Key_f37         __TK("kf37",  "FR", 242, _ky_f37 )
+#define Key_f38         __TK("kf38",  "FS", 243, _ky_f38 )
+#define Key_f39         __TK("kf39",  "FT", 244, _ky_f39 )
+#define Key_f40         __TK("kf40",  "FU", 245, _ky_f40 )
+#define Key_f41         __TK("kf41",  "FV", 246, _ky_f41 )
+#define Key_f42         __TK("kf42",  "FW", 247, _ky_f42 )
+#define Key_f43         __TK("kf43",  "FX", 248, _ky_f43 )
+#define Key_f44         __TK("kf44",  "FY", 249, _ky_f44 )
+#define Key_f45         __TK("kf45",  "FZ", 250, _ky_f45 )
+#define Key_f46         __TK("kf46",  "Fa", 251, _ky_f46 )
+#define Key_f47         __TK("kf47",  "Fb", 252, _ky_f47 )
+#define Key_f48         __TK("kf48",  "Fc", 253, _ky_f48 )
+#define Key_f49         __TK("kf49",  "Fd", 254, _ky_f49 )
+#define Key_f50         __TK("kf50",  "Fe", 255, _ky_f50 )
+#define Key_f51         __TK("kf51",  "Ff", 256, _ky_f51 )
+#define Key_f52         __TK("kf52",  "Fg", 257, _ky_f52 )
+#define Key_f53         __TK("kf53",  "Fh", 258, _ky_f53 )
+#define Key_f54         __TK("kf54",  "Fi", 259, _ky_f54 )
+#define Key_f55         __TK("kf55",  "Fj", 260, _ky_f55 )
+#define Key_f56         __TK("kf56",  "Fk", 261, _ky_f56 )
+#define Key_f57         __TK("kf57",  "Fl", 262, _ky_f57 )
+#define Key_f58         __TK("kf58",  "Fm", 263, _ky_f58 )
+#define Key_f59         __TK("kf59",  "Fn", 264, _ky_f59 )
+#define Key_f60         __TK("kf60",  "Fo", 265, _ky_f60 )
+#define Key_f61         __TK("kf61",  "Fp", 266, _ky_f61 )
+#define Key_f62         __TK("kf62",  "Fq", 267, _ky_f62 )
+#define Key_f63         __TK("kf63",  "Fr", 268, _ky_f63 )
+
+/* }}} */
+
+#ifdef HAVE_QNX_KEYS
+
+/* don't force pre-defining of base keys under QNX */
+#define FORCE_BASE_KEY_DEFS 0
+
+/* OS specific key aliases */
+#define Key_alt_a       Key_clear
+#define Key_alt_b       Key_stab
+#define Key_alt_c       Key_close
+#define Key_alt_d       Key_catab
+#define Key_alt_e       Key_message
+#define Key_alt_f       Key_find
+#define Key_alt_g       Key_refresh
+#define Key_alt_h       Key_help
+#define Key_alt_i       Key_move
+#define Key_alt_j       Key_restart
+#define Key_alt_k       Key_options
+#define Key_alt_l       Key_reference
+#define Key_alt_m       Key_mark
+#define Key_alt_n       Key_sbeg
+#define Key_alt_o       Key_open
+#define Key_alt_p       Key_resume
+#define Key_alt_q       Key_save
+#define Key_alt_r       Key_replace
+#define Key_alt_s       Key_scopy
+#define Key_alt_t       Key_screate
+#define Key_alt_u       Key_undo
+#define Key_alt_v       Key_sdl
+#define Key_alt_w       Key_sexit
+#define Key_alt_x       Key_sfind
+#define Key_alt_y       Key_shelp
+#define Key_alt_z       Key_soptions
+
+#define Key_ctl_enter   Key_enter
+#define Key_ctl_tab     Key_ctab
+
+#define Key_alt_tab     Key_ctl_tab     /* map ALT-TAB to CTRL-TAB */
+#define Key_alt_enter   Key_ctl_enter   /* map ALT-ENTER to CTRL-ENTER */
+
+#ifdef __USE_QNX_TI
+/* define current xtra_key_define_t (enable OS/implementation) */
+#define xtra_key_define_t qnx_key_define_t
+#endif /* __USE_QNX_TI */
+#endif /* HAVE_QNX_KEYS */
+
+
+#ifdef xtra_key_define_t
+#ifndef FORCE_BASE_KEY_DEFS
+#define FORCE_BASE_KEY_DEFS 0
+#endif
+#endif /* xtra_key_define_t */
+
+#ifdef HAVE_QNX_KEYS
+#ifdef __USE_QNX_TI
+#define __CT               (__cur_term)
+#define __QTISOFFS(_qtisx) (((charoffset*)(&__CT->_strs))[_qtisx])
+#define __QTISSTR(_qtisx)  (&__CT->_strtab[0]+__QTISOFFS(_qtisx))
+#endif /* __USE_QNX_TI */
+#endif /* HAVE_QNX_KEYS */
+
+/*** file scope type declarations ****************************************************************/
+
+#ifdef HAVE_QNX_KEYS
+#ifdef __USE_QNX_TI
+/* OS/implementation specific key-define struct */
+typedef const struct qnx_key_define_s
+{
+    int mc_code;
+    int str_idx;
+} qnx_key_define_t;
+#endif /* __USE_QNX_TI */
+#endif /* HAVE_QNX_KEYS */
+
+/*** file scope variables ************************************************************************/
+
+
+#ifdef xtra_key_define_t
+
+/* general key define table */
+xtra_key_define_t xtra_key_defines[] = {
+#if FORCE_BASE_KEY_DEFS
+    {KEY_BACKSPACE, Key_backspace},
+    {KEY_LEFT, Key_left},
+    {KEY_RIGHT, Key_right},
+    {KEY_UP, Key_up},
+    {KEY_DOWN, Key_down},
+    {KEY_NPAGE, Key_npage},
+    {KEY_PPAGE, Key_ppage},
+    {KEY_HOME, Key_home},
+    {KEY_END, Key_end},
+    {KEY_DC, Key_dc},
+    {KEY_IC, Key_ic},
+    {KEY_F (1), Key_f1},
+    {KEY_F (2), Key_f2},
+    {KEY_F (3), Key_f3},
+    {KEY_F (4), Key_f4},
+    {KEY_F (5), Key_f5},
+    {KEY_F (6), Key_f6},
+    {KEY_F (7), Key_f7},
+    {KEY_F (8), Key_f8},
+    {KEY_F (9), Key_f9},
+    {KEY_F (10), Key_f10},
+    {KEY_F (11), Key_f11},
+    {KEY_F (12), Key_f12},
+    {KEY_F (13), Key_f13},
+    {KEY_F (14), Key_f14},
+    {KEY_F (15), Key_f15},
+    {KEY_F (16), Key_f16},
+    {KEY_F (17), Key_f17},
+    {KEY_F (18), Key_f18},
+    {KEY_F (19), Key_f19},
+    {KEY_F (20), Key_f20},
+#endif
+    {ALT ('a'), Key_alt_a},
+    {ALT ('b'), Key_alt_b},
+    {ALT ('c'), Key_alt_c},
+    {ALT ('d'), Key_alt_d},
+    {ALT ('e'), Key_alt_e},
+    {ALT ('f'), Key_alt_f},
+    {ALT ('g'), Key_alt_g},
+    {ALT ('h'), Key_alt_h},
+    {ALT ('i'), Key_alt_i},
+    {ALT ('j'), Key_alt_j},
+    {ALT ('k'), Key_alt_k},
+    {ALT ('l'), Key_alt_l},
+    {ALT ('m'), Key_alt_m},
+    {ALT ('n'), Key_alt_n},
+    {ALT ('o'), Key_alt_o},
+    {ALT ('p'), Key_alt_p},
+    {ALT ('q'), Key_alt_q},
+    {ALT ('r'), Key_alt_r},
+    {ALT ('s'), Key_alt_s},
+    {ALT ('t'), Key_alt_t},
+    {ALT ('u'), Key_alt_u},
+    {ALT ('v'), Key_alt_v},
+    {ALT ('w'), Key_alt_w},
+    {ALT ('x'), Key_alt_x},
+    {ALT ('y'), Key_alt_y},
+    {ALT ('z'), Key_alt_z},
+
+    {ALT ('\n'), Key_alt_enter},
+    {ALT ('\t'), Key_alt_tab}
+};
+
+#endif /* xtra_key_define_t */
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_QNX_KEYS
+#ifdef __USE_QNX_TI
+void
+load_qnx_key_defines (void)
+{
+    static int _qnx_keys_defined = 0;
+
+    if (!_qnx_keys_defined)
+    {
+        int idx;
+        int term_setup_ok;
+
+        __setupterm (NULL, fileno (stdout), &term_setup_ok);
+        if (term_setup_ok != 1)
+            return;
+
+        for (idx = 0; idx < sizeof (xtra_key_defines) / sizeof (xtra_key_defines[0]); idx++)
+        {
+            int str_idx = xtra_key_defines[idx].str_idx;
+
+            if (__QTISOFFS (str_idx))
+            {
+                if (*__QTISSTR (str_idx))
+                {
+                    define_sequence (xtra_key_defines[idx].mc_code,
+                                     __QTISSTR (str_idx), MCKEY_NOACTION);
+                }
+            }
+        }
+        _qnx_keys_defined = 1;
+    }
+}
+#endif /* __USE_QNX_TI */
+#endif /* HAVE_QNX_KEYS */
+
+/* --------------------------------------------------------------------------------------------- */
+/* called from key.c/init_key() */
+
+void
+load_xtra_key_defines (void)
+{
+#ifdef HAVE_QNX_KEYS
+    load_qnx_key_defines ();
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/mouse.c b/lib/tty/mouse.c
new file mode 100644
index 0000000..640a39f
--- /dev/null
+++ b/lib/tty/mouse.c
@@ -0,0 +1,216 @@
+/*
+   Mouse managing
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file mouse.c
+ *  \brief Source: mouse managing
+ *
+ *  Events received by clients of this library have their coordinates 0 based
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "lib/global.h"
+
+#include "tty.h"
+#include "tty-internal.h"       /* mouse_enabled */
+#include "mouse.h"
+#include "key.h"                /* define sequence */
+
+/*** global variables ****************************************************************************/
+
+Mouse_Type use_mouse_p = MOUSE_NONE;
+gboolean mouse_enabled = FALSE;
+int mouse_fd = -1;              /* for when gpm_fd changes to < 0 and the old one must be cleared from select_set */
+const char *xmouse_seq;
+const char *xmouse_extended_seq;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+show_mouse_pointer (int x, int y)
+{
+#ifdef HAVE_LIBGPM
+    if (use_mouse_p == MOUSE_GPM)
+        Gpm_DrawPointer (x, y, gpm_consolefd);
+#else
+    (void) x;
+    (void) y;
+#endif /* HAVE_LIBGPM */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+init_mouse (void)
+{
+    switch (use_mouse_p)
+    {
+#ifdef HAVE_LIBGPM
+    case MOUSE_NONE:
+        use_mouse_p = MOUSE_GPM;
+        break;
+#endif /* HAVE_LIBGPM */
+
+    case MOUSE_XTERM_NORMAL_TRACKING:
+    case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
+        if (xmouse_seq != NULL)
+            define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
+        if (xmouse_extended_seq != NULL)
+            define_sequence (MCKEY_EXTENDED_MOUSE, xmouse_extended_seq, MCKEY_NOACTION);
+        break;
+
+    default:
+        break;
+    }
+
+    enable_mouse ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+enable_mouse (void)
+{
+    if (mouse_enabled)
+        return;
+
+    switch (use_mouse_p)
+    {
+#ifdef HAVE_LIBGPM
+    case MOUSE_GPM:
+        {
+            Gpm_Connect conn;
+
+            conn.eventMask = ~GPM_MOVE;
+            conn.defaultMask = GPM_MOVE;
+            conn.minMod = 0;
+            conn.maxMod = 0;
+
+            mouse_fd = Gpm_Open (&conn, 0);
+            if (mouse_fd == -1)
+            {
+                use_mouse_p = MOUSE_NONE;
+                return;
+            }
+            mouse_enabled = TRUE;
+        }
+        break;
+#endif /* HAVE_LIBGPM */
+
+    case MOUSE_XTERM_NORMAL_TRACKING:
+        /* save old highlight mouse tracking */
+        printf (ESC_STR "[?1001s");
+
+        /* enable mouse tracking */
+        printf (ESC_STR "[?1000h");
+
+        /* enable SGR extended mouse reporting */
+        printf (ESC_STR "[?1006h");
+
+        fflush (stdout);
+        mouse_enabled = TRUE;
+        break;
+
+    case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
+        /* save old highlight mouse tracking */
+        printf (ESC_STR "[?1001s");
+
+        /* enable mouse tracking */
+        printf (ESC_STR "[?1002h");
+
+        /* enable SGR extended mouse reporting */
+        printf (ESC_STR "[?1006h");
+
+        fflush (stdout);
+        mouse_enabled = TRUE;
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+disable_mouse (void)
+{
+    if (!mouse_enabled)
+        return;
+
+    mouse_enabled = FALSE;
+
+    switch (use_mouse_p)
+    {
+#ifdef HAVE_LIBGPM
+    case MOUSE_GPM:
+        Gpm_Close ();
+        break;
+#endif
+    case MOUSE_XTERM_NORMAL_TRACKING:
+        /* disable SGR extended mouse reporting */
+        printf (ESC_STR "[?1006l");
+
+        /* disable mouse tracking */
+        printf (ESC_STR "[?1000l");
+
+        /* restore old highlight mouse tracking */
+        printf (ESC_STR "[?1001r");
+
+        fflush (stdout);
+        break;
+    case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
+        /* disable SGR extended mouse reporting */
+        printf (ESC_STR "[?1006l");
+
+        /* disable mouse tracking */
+        printf (ESC_STR "[?1002l");
+
+        /* restore old highlight mouse tracking */
+        printf (ESC_STR "[?1001r");
+
+        fflush (stdout);
+        break;
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/mouse.h b/lib/tty/mouse.h
new file mode 100644
index 0000000..99d0a69
--- /dev/null
+++ b/lib/tty/mouse.h
@@ -0,0 +1,117 @@
+
+/** \file mouse.h
+ *  \brief Header: mouse managing
+ *
+ *  Events received by clients of this library have their coordinates 0 based
+ */
+
+#ifndef MC__MOUSE_H
+#define MC__MOUSE_H
+
+#ifdef HAVE_LIBGPM
+/* GPM mouse support include file */
+#include <gpm.h>
+#endif /* !HAVE_LIBGPM */
+
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifndef HAVE_LIBGPM
+/* Equivalent definitions for non-GPM mouse support */
+/* These lines are modified version from the lines appearing in the */
+/* gpm.h include file of the Linux General Purpose Mouse server */
+
+#define GPM_B_LEFT      (1 << 2)
+#define GPM_B_MIDDLE    (1 << 1)
+#define GPM_B_RIGHT     (1 << 0)
+
+#define GPM_BARE_EVENTS(ev) ((ev)&0xF)
+#endif /* !HAVE_LIBGPM */
+
+/* Mouse wheel events */
+#ifndef GPM_B_DOWN
+#define GPM_B_DOWN      (1 << 5)
+#endif
+
+#ifndef GPM_B_UP
+#define GPM_B_UP        (1 << 4)
+#endif
+
+/*** enums ***************************************************************************************/
+
+#ifndef HAVE_LIBGPM
+/* Xterm mouse support supports only GPM_DOWN and GPM_UP */
+/* If you use others make sure your code also works without them */
+enum Gpm_Etype
+{
+    GPM_MOVE = 1,
+    GPM_DRAG = 2,               /* exactly one in four is active at a time */
+    GPM_DOWN = 4,
+    GPM_UP = 8,
+
+
+    GPM_SINGLE = 16,            /* at most one in three is set */
+    GPM_DOUBLE = 32,
+    GPM_TRIPLE = 64,
+
+    GPM_MFLAG = 128,            /* motion during click? */
+    GPM_HARD = 256              /* if set in the defaultMask, force an already
+                                   used event to pass over to another handler */
+};
+#endif /* !HAVE_LIBGPM */
+
+/* Constants returned from the mouse callback */
+enum
+{
+    MOU_UNHANDLED = 0,
+    MOU_NORMAL,
+    MOU_REPEAT
+};
+
+/* Type of mouse support */
+typedef enum
+{
+    MOUSE_NONE,                 /* Not detected yet */
+    MOUSE_DISABLED,             /* Explicitly disabled by -d */
+    MOUSE_GPM,                  /* Support using GPM on Linux */
+    MOUSE_XTERM,                /* Support using xterm-style mouse reporting */
+    MOUSE_XTERM_NORMAL_TRACKING = MOUSE_XTERM,
+    MOUSE_XTERM_BUTTON_EVENT_TRACKING
+} Mouse_Type;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+#ifndef HAVE_LIBGPM
+typedef struct Gpm_Event
+{
+    int buttons, x, y;
+    enum Gpm_Etype type;
+} Gpm_Event;
+#endif /* !HAVE_LIBGPM */
+
+/*** global variables defined in .c file *********************************************************/
+
+/* Type of the currently used mouse */
+extern Mouse_Type use_mouse_p;
+
+/* To be used when gpm_fd were initially >= 0 */
+extern int mouse_fd;
+
+/* String indicating that a mouse event has occurred, usually "\E[M" */
+extern const char *xmouse_seq;
+
+/* String indicating that an SGR extended mouse event has occurred, namely "\E[<" */
+extern const char *xmouse_extended_seq;
+
+/*** declarations of public functions ************************************************************/
+
+/* General (i.e. both for xterm and gpm) mouse support definitions */
+
+void init_mouse (void);
+void enable_mouse (void);
+void disable_mouse (void);
+
+void show_mouse_pointer (int x, int y);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_MOUSE_H */
diff --git a/lib/tty/tty-internal.c b/lib/tty/tty-internal.c
new file mode 100644
index 0000000..1e42e0f
--- /dev/null
+++ b/lib/tty/tty-internal.c
@@ -0,0 +1,110 @@
+/*
+   Internal stuff of the terminal controlling library.
+
+   Copyright (C) 2019-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2019.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: internal stuff of the terminal controlling library.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "lib/global.h"
+
+#include <glib-unix.h>
+
+#include "tty-internal.h"
+
+/*** global variables ****************************************************************************/
+
+/* pipe to handle SIGWINCH */
+int sigwinch_pipe[2];
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** global variables ****************************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_create_winch_pipe (void)
+{
+    GError *mcerror = NULL;
+
+    if (!g_unix_open_pipe (sigwinch_pipe, FD_CLOEXEC, &mcerror))
+    {
+        fprintf (stderr, _("\nCannot create pipe for SIGWINCH: %s (%d)\n"),
+                 mcerror->message, mcerror->code);
+        g_error_free (mcerror);
+        exit (EXIT_FAILURE);
+    }
+
+    /* If we read from an empty pipe, then read(2) will block until data is available.
+     * If we write to a full pipe, then write(2) blocks until sufficient data has been read
+     * from the pipe to allow the write to complete..
+     * Therefore, use nonblocking I/O.
+     */
+    if (!g_unix_set_fd_nonblocking (sigwinch_pipe[0], TRUE, &mcerror))
+    {
+        fprintf (stderr, _("\nCannot configure write end of SIGWINCH pipe: %s (%d)\n"),
+                 mcerror->message, mcerror->code);
+        g_error_free (mcerror);
+        tty_destroy_winch_pipe ();
+        exit (EXIT_FAILURE);
+    }
+
+    if (!g_unix_set_fd_nonblocking (sigwinch_pipe[1], TRUE, &mcerror))
+    {
+        fprintf (stderr, _("\nCannot configure read end of SIGWINCH pipe: %s (%d)\n"),
+                 mcerror->message, mcerror->code);
+        g_error_free (mcerror);
+        tty_destroy_winch_pipe ();
+        exit (EXIT_FAILURE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_destroy_winch_pipe (void)
+{
+    (void) close (sigwinch_pipe[0]);
+    (void) close (sigwinch_pipe[1]);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/tty-internal.h b/lib/tty/tty-internal.h
new file mode 100644
index 0000000..a2cdfa7
--- /dev/null
+++ b/lib/tty/tty-internal.h
@@ -0,0 +1,49 @@
+
+/** \file tty-internal.h
+ *  \brief Header: internal stuff of the terminal controlling library
+ */
+
+#ifndef MC__TTY_INTERNAL_H
+#define MC__TTY_INTERNAL_H
+
+#include "lib/global.h"         /* include <glib.h> */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Taken from S-Lang's slutty.c */
+#ifdef _POSIX_VDISABLE
+#define NULL_VALUE _POSIX_VDISABLE
+#else
+#define NULL_VALUE 255
+#endif
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/* The mouse is currently: TRUE - enabled, FALSE - disabled */
+extern gboolean mouse_enabled;
+
+/* terminal ca capabilities */
+extern char *smcup;
+extern char *rmcup;
+
+/* pipe to handle SIGWINCH */
+extern int sigwinch_pipe[2];
+
+/*** declarations of public functions ************************************************************/
+
+void tty_create_winch_pipe (void);
+void tty_destroy_winch_pipe (void);
+
+char *mc_tty_normalize_from_utf8 (const char *str);
+void tty_init_xterm_support (gboolean is_xterm);
+int tty_lowlevel_getch (void);
+
+void tty_colorize_area (int y, int x, int rows, int cols, int color);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_TTY_INTERNAL_H */
diff --git a/lib/tty/tty-ncurses.c b/lib/tty/tty-ncurses.c
new file mode 100644
index 0000000..f100ffa
--- /dev/null
+++ b/lib/tty/tty-ncurses.c
@@ -0,0 +1,771 @@
+/*
+   Interface to the terminal controlling library.
+   Ncurses wrapper.
+
+   Copyright (C) 2005-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009.
+   Ilia Maslakov <il.smind@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: NCurses-based tty layer of Midnight-commander
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <signal.h>
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#include <termios.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"        /* str_term_form */
+
+#ifndef WANT_TERM_H
+#define WANT_TERM_H
+#endif
+
+#include "tty-internal.h"       /* mc_tty_normalize_from_utf8() */
+#include "tty.h"
+#include "color.h"              /* tty_setcolor */
+#include "color-internal.h"
+#include "key.h"
+#include "mouse.h"
+#include "win.h"
+
+/* include at last !!! */
+#ifdef WANT_TERM_H
+#ifdef HAVE_NCURSES_TERM_H
+#include <ncurses/term.h>
+#else
+#include <term.h>
+#endif /* HAVE_NCURSES_TERM_H */
+#endif /* WANT_TERM_H */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#if !defined(CTRL)
+#define CTRL(x) ((x) & 0x1f)
+#endif
+
+#define yx_in_screen(y, x) \
+    (y >= 0 && y < LINES && x >= 0 && x < COLS)
+
+/*** global variables ****************************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* ncurses supports cursor positions only within window */
+/* We use our own cursor coordinates to support partially visible widgets */
+static int mc_curs_row, mc_curs_col;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+tty_setup_sigwinch (void (*handler) (int))
+{
+#if (NCURSES_VERSION_MAJOR >= 4) && defined (SIGWINCH)
+    struct sigaction act, oact;
+
+    memset (&act, 0, sizeof (act));
+    act.sa_handler = handler;
+    sigemptyset (&act.sa_mask);
+#ifdef SA_RESTART
+    act.sa_flags = SA_RESTART;
+#endif /* SA_RESTART */
+    sigaction (SIGWINCH, &act, &oact);
+#endif /* SIGWINCH */
+
+    tty_create_winch_pipe ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+sigwinch_handler (int dummy)
+{
+    ssize_t n = 0;
+
+    (void) dummy;
+
+    n = write (sigwinch_pipe[1], "", 1);
+    (void) n;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get visible part of area.
+ *
+ * @returns TRUE if any part of area is in screen bounds, FALSE otherwise.
+ */
+static gboolean
+tty_clip (int *y, int *x, int *rows, int *cols)
+{
+    if (*y < 0)
+    {
+        *rows += *y;
+
+        if (*rows <= 0)
+            return FALSE;
+
+        *y = 0;
+    }
+
+    if (*x < 0)
+    {
+        *cols += *x;
+
+        if (*cols <= 0)
+            return FALSE;
+
+        *x = 0;
+    }
+
+    if (*y + *rows > LINES)
+        *rows = LINES - *y;
+
+    if (*rows <= 0)
+        return FALSE;
+
+    if (*x + *cols > COLS)
+        *cols = COLS - *x;
+
+    if (*cols <= 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_tty_normalize_lines_char (const char *ch)
+{
+    char *str2;
+    int res;
+
+    struct mc_tty_lines_struct
+    {
+        const char *line;
+        int line_code;
+    } const lines_codes[] = {
+        {"\342\224\230", ACS_LRCORNER}, /* ┌ */
+        {"\342\224\224", ACS_LLCORNER}, /* └ */
+        {"\342\224\220", ACS_URCORNER}, /* ┐ */
+        {"\342\224\214", ACS_ULCORNER}, /* ┘ */
+        {"\342\224\234", ACS_LTEE},     /* ├ */
+        {"\342\224\244", ACS_RTEE},     /* ┤ */
+        {"\342\224\254", ACS_TTEE},     /* ┬ */
+        {"\342\224\264", ACS_BTEE},     /* ┴ */
+        {"\342\224\200", ACS_HLINE},    /* ─ */
+        {"\342\224\202", ACS_VLINE},    /* │ */
+        {"\342\224\274", ACS_PLUS},     /* ┼ */
+
+        {"\342\225\235", ACS_LRCORNER | A_BOLD},        /* ╔ */
+        {"\342\225\232", ACS_LLCORNER | A_BOLD},        /* ╚ */
+        {"\342\225\227", ACS_URCORNER | A_BOLD},        /* ╗ */
+        {"\342\225\224", ACS_ULCORNER | A_BOLD},        /* ╝ */
+        {"\342\225\237", ACS_LTEE | A_BOLD},    /* ╟ */
+        {"\342\225\242", ACS_RTEE | A_BOLD},    /* ╢ */
+        {"\342\225\244", ACS_TTEE | A_BOLD},    /* ╤ */
+        {"\342\225\247", ACS_BTEE | A_BOLD},    /* ╧ */
+        {"\342\225\220", ACS_HLINE | A_BOLD},   /* ═ */
+        {"\342\225\221", ACS_VLINE | A_BOLD},   /* ║ */
+
+        {NULL, 0}
+    };
+
+    if (ch == NULL)
+        return (int) ' ';
+
+    for (res = 0; lines_codes[res].line; res++)
+    {
+        if (strcmp (ch, lines_codes[res].line) == 0)
+            return lines_codes[res].line_code;
+    }
+
+    str2 = mc_tty_normalize_from_utf8 (ch);
+    res = g_utf8_get_char_validated (str2, -1);
+
+    if (res < 0)
+        res = (unsigned char) str2[0];
+    g_free (str2);
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_init (gboolean mouse_enable, gboolean is_xterm)
+{
+    struct termios mode;
+
+    initscr ();
+
+#ifdef HAVE_ESCDELAY
+    /*
+     * If ncurses exports the ESCDELAY variable, it should be set to
+     * a low value, or you'll experience a delay in processing escape
+     * sequences that are recognized by mc (e.g. Esc-Esc).  On the other
+     * hand, making ESCDELAY too small can result in some sequences
+     * (e.g. cursor arrows) being reported as separate keys under heavy
+     * processor load, and this can be a problem if mc hasn't learned
+     * them in the "Learn Keys" dialog.  The value is in milliseconds.
+     */
+    ESCDELAY = 200;
+#endif /* HAVE_ESCDELAY */
+
+    tcgetattr (STDIN_FILENO, &mode);
+    /* use Ctrl-g to generate SIGINT */
+    mode.c_cc[VINTR] = CTRL ('g');      /* ^g */
+    /* disable SIGQUIT to allow use Ctrl-\ key */
+    mode.c_cc[VQUIT] = NULL_VALUE;
+    tcsetattr (STDIN_FILENO, TCSANOW, &mode);
+
+    /* curses remembers the "in-program" modes after this call */
+    def_prog_mode ();
+
+    tty_start_interrupt_key ();
+
+    if (!mouse_enable)
+        use_mouse_p = MOUSE_DISABLED;
+    tty_init_xterm_support (is_xterm);  /* do it before tty_enter_ca_mode() call */
+    tty_enter_ca_mode ();
+    tty_raw_mode ();
+    noecho ();
+    keypad (stdscr, TRUE);
+    nodelay (stdscr, FALSE);
+
+    tty_setup_sigwinch (sigwinch_handler);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_shutdown (void)
+{
+    tty_destroy_winch_pipe ();
+    tty_reset_shell_mode ();
+    tty_noraw_mode ();
+    tty_keypad (FALSE);
+    tty_reset_screen ();
+    tty_exit_ca_mode ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_enter_ca_mode (void)
+{
+    if (mc_global.tty.xterm_flag && smcup != NULL)
+    {
+        fprintf (stdout, /* ESC_STR ")0" */ ESC_STR "7" ESC_STR "[?47h");
+        fflush (stdout);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_exit_ca_mode (void)
+{
+    if (mc_global.tty.xterm_flag && rmcup != NULL)
+    {
+        fprintf (stdout, ESC_STR "[?47l" ESC_STR "8" ESC_STR "[m");
+        fflush (stdout);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_change_screen_size (void)
+{
+#if defined(TIOCGWINSZ) && NCURSES_VERSION_MAJOR >= 4
+    struct winsize winsz;
+
+    winsz.ws_col = winsz.ws_row = 0;
+
+#ifndef NCURSES_VERSION
+    tty_noraw_mode ();
+    tty_reset_screen ();
+#endif
+
+    /* Ioctl on the STDIN_FILENO */
+    ioctl (fileno (stdout), TIOCGWINSZ, &winsz);
+    if (winsz.ws_col != 0 && winsz.ws_row != 0)
+    {
+#if defined(NCURSES_VERSION) && defined(HAVE_RESIZETERM)
+        resizeterm (winsz.ws_row, winsz.ws_col);
+        clearok (stdscr, TRUE); /* sigwinch's should use a semaphore! */
+#else
+        COLS = winsz.ws_col;
+        LINES = winsz.ws_row;
+#endif
+    }
+#endif /* defined(TIOCGWINSZ) || NCURSES_VERSION_MAJOR >= 4 */
+
+#ifdef ENABLE_SUBSHELL
+    if (mc_global.tty.use_subshell)
+        tty_resize (mc_global.tty.subshell_pty);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_reset_prog_mode (void)
+{
+    reset_prog_mode ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_reset_shell_mode (void)
+{
+    reset_shell_mode ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_raw_mode (void)
+{
+    raw ();                     /* FIXME: uneeded? */
+    cbreak ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_noraw_mode (void)
+{
+    nocbreak ();                /* FIXME: unneeded? */
+    noraw ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_noecho (void)
+{
+    noecho ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_flush_input (void)
+{
+    return flushinp ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_keypad (gboolean set)
+{
+    keypad (stdscr, (bool) set);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_nodelay (gboolean set)
+{
+    nodelay (stdscr, (bool) set);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_baudrate (void)
+{
+    return baudrate ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_lowlevel_getch (void)
+{
+    return getch ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_reset_screen (void)
+{
+    return endwin ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_touch_screen (void)
+{
+    touchwin (stdscr);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_gotoyx (int y, int x)
+{
+    mc_curs_row = y;
+    mc_curs_col = x;
+
+    if (y < 0)
+        y = 0;
+    if (y >= LINES)
+        y = LINES - 1;
+
+    if (x < 0)
+        x = 0;
+    if (x >= COLS)
+        x = COLS - 1;
+
+    move (y, x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_getyx (int *py, int *px)
+{
+    *py = mc_curs_row;
+    *px = mc_curs_col;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_hline (int y, int x, int ch, int len)
+{
+    int x1;
+
+    if (y < 0 || y >= LINES || x >= COLS)
+        return;
+
+    x1 = x;
+
+    if (x < 0)
+    {
+        len += x;
+        if (len <= 0)
+            return;
+        x = 0;
+    }
+
+    if ((chtype) ch == ACS_HLINE)
+        ch = mc_tty_frm[MC_TTY_FRM_HORIZ];
+
+    move (y, x);
+    hline (ch, len);
+    move (y, x1);
+
+    mc_curs_row = y;
+    mc_curs_col = x1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_vline (int y, int x, int ch, int len)
+{
+    int y1;
+
+    if (x < 0 || x >= COLS || y >= LINES)
+        return;
+
+    y1 = y;
+
+    if (y < 0)
+    {
+        len += y;
+        if (len <= 0)
+            return;
+        y = 0;
+    }
+
+    if ((chtype) ch == ACS_VLINE)
+        ch = mc_tty_frm[MC_TTY_FRM_VERT];
+
+    move (y, x);
+    vline (ch, len);
+    move (y1, x);
+
+    mc_curs_row = y1;
+    mc_curs_col = x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_fill_region (int y, int x, int rows, int cols, unsigned char ch)
+{
+    int i;
+
+    if (!tty_clip (&y, &x, &rows, &cols))
+        return;
+
+    for (i = 0; i < rows; i++)
+    {
+        move (y + i, x);
+        hline (ch, cols);
+    }
+
+    move (y, x);
+
+    mc_curs_row = y;
+    mc_curs_col = x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_colorize_area (int y, int x, int rows, int cols, int color)
+{
+#ifdef ENABLE_SHADOWS
+    cchar_t *ctext;
+    wchar_t wch[10];            /* TODO not sure if the length is correct */
+    attr_t attrs;
+    short color_pair;
+
+    if (!use_colors || !tty_clip (&y, &x, &rows, &cols))
+        return;
+
+    tty_setcolor (color);
+    ctext = g_malloc (sizeof (cchar_t) * (cols + 1));
+
+    for (int row = 0; row < rows; row++)
+    {
+        mvin_wchnstr (y + row, x, ctext, cols);
+
+        for (int col = 0; col < cols; col++)
+        {
+            getcchar (&ctext[col], wch, &attrs, &color_pair, NULL);
+            setcchar (&ctext[col], wch, attrs, color, NULL);
+        }
+
+        mvadd_wchnstr (y + row, x, ctext, cols);
+    }
+
+    g_free (ctext);
+#else
+    (void) y;
+    (void) x;
+    (void) rows;
+    (void) cols;
+    (void) color;
+#endif /* ENABLE_SHADOWS */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_set_alt_charset (gboolean alt_charset)
+{
+    (void) alt_charset;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_display_8bit (gboolean what)
+{
+    meta (stdscr, (int) what);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_char (int c)
+{
+    if (yx_in_screen (mc_curs_row, mc_curs_col))
+        addch (c);
+    mc_curs_col++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_anychar (int c)
+{
+    if (mc_global.utf8_display || c > 255)
+    {
+        int res;
+        unsigned char str[UTF8_CHAR_LEN + 1];
+
+        res = g_unichar_to_utf8 (c, (char *) str);
+        if (res == 0)
+        {
+            if (yx_in_screen (mc_curs_row, mc_curs_col))
+                addch ('.');
+            mc_curs_col++;
+        }
+        else
+        {
+            const char *s;
+
+            str[res] = '\0';
+            s = str_term_form ((char *) str);
+
+            if (yx_in_screen (mc_curs_row, mc_curs_col))
+                addstr (s);
+
+            if (g_unichar_iswide (c))
+                mc_curs_col += 2;
+            else if (!g_unichar_iszerowidth (c))
+                mc_curs_col++;
+        }
+    }
+    else
+    {
+        if (yx_in_screen (mc_curs_row, mc_curs_col))
+            addch (c);
+        mc_curs_col++;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_alt_char (int c, gboolean single)
+{
+    if (yx_in_screen (mc_curs_row, mc_curs_col))
+    {
+        if ((chtype) c == ACS_VLINE)
+            c = mc_tty_frm[single ? MC_TTY_FRM_VERT : MC_TTY_FRM_DVERT];
+        else if ((chtype) c == ACS_HLINE)
+            c = mc_tty_frm[single ? MC_TTY_FRM_HORIZ : MC_TTY_FRM_DHORIZ];
+        else if ((chtype) c == ACS_LTEE)
+            c = mc_tty_frm[single ? MC_TTY_FRM_LEFTMIDDLE : MC_TTY_FRM_DLEFTMIDDLE];
+        else if ((chtype) c == ACS_RTEE)
+            c = mc_tty_frm[single ? MC_TTY_FRM_RIGHTMIDDLE : MC_TTY_FRM_DRIGHTMIDDLE];
+        else if ((chtype) c == ACS_ULCORNER)
+            c = mc_tty_frm[single ? MC_TTY_FRM_LEFTTOP : MC_TTY_FRM_DLEFTTOP];
+        else if ((chtype) c == ACS_LLCORNER)
+            c = mc_tty_frm[single ? MC_TTY_FRM_LEFTBOTTOM : MC_TTY_FRM_DLEFTBOTTOM];
+        else if ((chtype) c == ACS_URCORNER)
+            c = mc_tty_frm[single ? MC_TTY_FRM_RIGHTTOP : MC_TTY_FRM_DRIGHTTOP];
+        else if ((chtype) c == ACS_LRCORNER)
+            c = mc_tty_frm[single ? MC_TTY_FRM_RIGHTBOTTOM : MC_TTY_FRM_DRIGHTBOTTOM];
+        else if ((chtype) c == ACS_PLUS)
+            c = mc_tty_frm[MC_TTY_FRM_CROSS];
+
+        addch (c);
+    }
+
+    mc_curs_col++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_string (const char *s)
+{
+    int len;
+    int start = 0;
+
+    s = str_term_form (s);
+    len = str_term_width1 (s);
+
+    /* line is upper or below the screen or entire line is before or after screen */
+    if (mc_curs_row < 0 || mc_curs_row >= LINES || mc_curs_col + len <= 0 || mc_curs_col >= COLS)
+    {
+        mc_curs_col += len;
+        return;
+    }
+
+    /* skip invisible left part */
+    if (mc_curs_col < 0)
+    {
+        start = -mc_curs_col;
+        len += mc_curs_col;
+        mc_curs_col = 0;
+    }
+
+    mc_curs_col += len;
+    if (mc_curs_col >= COLS)
+        len = COLS - (mc_curs_col - len);
+
+    addstr (str_term_substring (s, start, len));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_printf (const char *fmt, ...)
+{
+    va_list args;
+    char buf[BUF_1K];           /* FIXME: is it enough? */
+
+    va_start (args, fmt);
+    g_vsnprintf (buf, sizeof (buf), fmt, args);
+    va_end (args);
+    tty_print_string (buf);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+tty_tgetstr (const char *cap)
+{
+    char *unused = NULL;
+
+    return tgetstr ((NCURSES_CONST char *) cap, &unused);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_refresh (void)
+{
+    refresh ();
+    doupdate ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_beep (void)
+{
+    beep ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/tty-ncurses.h b/lib/tty/tty-ncurses.h
new file mode 100644
index 0000000..8feb17c
--- /dev/null
+++ b/lib/tty/tty-ncurses.h
@@ -0,0 +1,50 @@
+
+#ifndef MC__TTY_NCURSES_H
+#define MC__TTY_NCURSES_H
+
+/* for cchar_t, getcchar(), setcchar() */
+#ifndef _XOPEN_SOURCE_EXTENDED
+#define _XOPEN_SOURCE_EXTENDED
+#endif
+
+#ifdef USE_NCURSES
+#ifdef HAVE_NCURSES_CURSES_H
+#include <ncurses/curses.h>
+#elif defined (HAVE_NCURSES_NCURSES_H)
+#include <ncurses/ncurses.h>
+#elif defined (HAVE_NCURSESW_CURSES_H)
+#include <ncursesw/curses.h>
+#elif defined (HAVE_NCURSES_HCURSES_H) || defined (HAVE_NCURSES_H)
+#include <ncurses.h>
+#else
+#include <curses.h>
+#endif
+#endif /* USE_NCURSES */
+
+#ifdef USE_NCURSESW
+#include <ncursesw/curses.h>
+#endif /* USE_NCURSESW */
+
+/* netbsd-libcurses doesn't define NCURSES_CONST */
+#ifndef NCURSES_CONST
+#define NCURSES_CONST const
+#endif
+
+/* do not draw shadows if NCurses is built with --disable-widec */
+#if defined(NCURSES_WIDECHAR) && NCURSES_WIDECHAR
+#define ENABLE_SHADOWS 1
+#endif
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_TTY_NCURSES_H */
diff --git a/lib/tty/tty-slang.c b/lib/tty/tty-slang.c
new file mode 100644
index 0000000..cf2e779
--- /dev/null
+++ b/lib/tty/tty-slang.c
@@ -0,0 +1,779 @@
+/*
+   Interface to the terminal controlling library.
+   Slang wrapper.
+
+   Copyright (C) 2005-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file
+ *  \brief Source: S-Lang-based tty layer of Midnight Commander
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>          /* size_t */
+#include <unistd.h>
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#include <termios.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"        /* str_term_form */
+#include "lib/util.h"           /* is_printable() */
+
+#include "tty-internal.h"       /* mc_tty_normalize_from_utf8() */
+#include "tty.h"
+#include "color.h"
+#include "color-slang.h"
+#include "color-internal.h"
+#include "mouse.h"              /* Gpm_Event is required in key.h */
+#include "key.h"                /* define_sequence */
+#include "win.h"
+
+
+/*** global variables ****************************************************************************/
+
+/* If true program softkeys (HP terminals only) on startup and after every
+   command ran in the subshell to the description found in the termcap/terminfo
+   database */
+int reset_hp_softkeys = 0;
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifndef SLTT_MAX_SCREEN_COLS
+#define SLTT_MAX_SCREEN_COLS 512
+#endif
+
+#ifndef SLTT_MAX_SCREEN_ROWS
+#define SLTT_MAX_SCREEN_ROWS 512
+#endif
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* Various saved termios settings that we control here */
+static struct termios boot_mode;
+static struct termios new_mode;
+
+/* Controls whether we should wait for input in tty_lowlevel_getch */
+static gboolean no_slang_delay;
+
+static gboolean slsmg_active = FALSE;
+
+/* This table describes which capabilities we want and which values we
+ * assign to them.
+ */
+static const struct
+{
+    int key_code;
+    const char *key_name;
+} key_table[] =
+{
+    /* *INDENT-OFF* */
+    { KEY_F (0), "k0" },
+    { KEY_F (1), "k1" },
+    { KEY_F (2), "k2" },
+    { KEY_F (3), "k3" },
+    { KEY_F (4), "k4" },
+    { KEY_F (5), "k5" },
+    { KEY_F (6), "k6" },
+    { KEY_F (7), "k7" },
+    { KEY_F (8), "k8" },
+    { KEY_F (9), "k9" },
+    { KEY_F (10), "k;" },
+    { KEY_F (11), "F1" },
+    { KEY_F (12), "F2" },
+    { KEY_F (13), "F3" },
+    { KEY_F (14), "F4" },
+    { KEY_F (15), "F5" },
+    { KEY_F (16), "F6" },
+    { KEY_F (17), "F7" },
+    { KEY_F (18), "F8" },
+    { KEY_F (19), "F9" },
+    { KEY_F (20), "FA" },
+    { KEY_IC, "kI" },
+    { KEY_NPAGE, "kN" },
+    { KEY_PPAGE, "kP" },
+    { KEY_LEFT, "kl" },
+    { KEY_RIGHT, "kr" },
+    { KEY_UP, "ku" },
+    { KEY_DOWN, "kd" },
+    { KEY_DC, "kD" },
+    { KEY_BACKSPACE, "kb" },
+    { KEY_HOME, "kh" },
+    { KEY_END, "@7" },
+    { 0, NULL }
+    /* *INDENT-ON* */
+};
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+tty_setup_sigwinch (void (*handler) (int))
+{
+    (void) SLsignal (SIGWINCH, handler);
+    tty_create_winch_pipe ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+sigwinch_handler (int dummy)
+{
+    ssize_t n = 0;
+
+    (void) dummy;
+
+    n = write (sigwinch_pipe[1], "", 1);
+    (void) n;
+
+    (void) SLsignal (SIGWINCH, sigwinch_handler);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* HP Terminals have capabilities (pfkey, pfloc, pfx) to program function keys.
+   elm 2.4pl15 invoked with the -K option utilizes these softkeys and the
+   consequence is that function keys don't work in MC sometimes...
+   Unfortunately I don't now the one and only escape sequence to turn off.
+   softkeys (elm uses three different capabilities to turn on softkeys and two.
+   capabilities to turn them off)..
+   Among other things elm uses the pair we already use in slang_keypad. That's.
+   the reason why I call slang_reset_softkeys from slang_keypad. In lack of
+   something better the softkeys are programmed to their defaults from the
+   termcap/terminfo database.
+   The escape sequence to program the softkeys is taken from elm and it is.
+   hardcoded because neither slang nor ncurses 4.1 know how to 'printf' this.
+   sequence. -- Norbert
+ */
+
+static void
+slang_reset_softkeys (void)
+{
+    int key;
+    static const char display[] = "                ";
+    char tmp[BUF_SMALL];
+
+    for (key = 1; key < 9; key++)
+    {
+        char *send;
+
+        g_snprintf (tmp, sizeof (tmp), "k%d", key);
+        send = SLtt_tgetstr (tmp);
+        if (send != NULL)
+        {
+            g_snprintf (tmp, sizeof (tmp), ESC_STR "&f%dk%dd%dL%s%s", key,
+                        (int) (sizeof (display) - 1), (int) strlen (send), display, send);
+            SLtt_write_string (tmp);
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+do_define_key (int code, const char *strcap)
+{
+    char *seq;
+
+    seq = SLtt_tgetstr ((SLFUTURE_CONST char *) strcap);
+    if (seq != NULL)
+        define_sequence (code, seq, MCKEY_NOACTION);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+load_terminfo_keys (void)
+{
+    int i;
+
+    for (i = 0; key_table[i].key_code; i++)
+        do_define_key (key_table[i].key_code, key_table[i].key_name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_tty_normalize_lines_char (const char *str)
+{
+    char *str2;
+    int res;
+
+    struct mc_tty_lines_struct
+    {
+        const char *line;
+        int line_code;
+    } const lines_codes[] = {
+        {"\342\224\214", SLSMG_ULCORN_CHAR},
+        {"\342\224\220", SLSMG_URCORN_CHAR},
+        {"\342\224\224", SLSMG_LLCORN_CHAR},
+        {"\342\224\230", SLSMG_LRCORN_CHAR},
+        {"\342\224\234", SLSMG_LTEE_CHAR},
+        {"\342\224\244", SLSMG_RTEE_CHAR},
+        {"\342\224\254", SLSMG_UTEE_CHAR},
+        {"\342\224\264", SLSMG_DTEE_CHAR},
+        {"\342\224\200", SLSMG_HLINE_CHAR},
+        {"\342\224\202", SLSMG_VLINE_CHAR},
+        {"\342\224\274", SLSMG_PLUS_CHAR},
+
+        {NULL, 0}
+    };
+
+    if (!str)
+        return (int) ' ';
+
+    for (res = 0; lines_codes[res].line; res++)
+    {
+        if (strcmp (str, lines_codes[res].line) == 0)
+            return lines_codes[res].line_code;
+    }
+
+    str2 = mc_tty_normalize_from_utf8 (str);
+    res = g_utf8_get_char_validated (str2, -1);
+
+    if (res < 0)
+        res = (unsigned char) str2[0];
+    g_free (str2);
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_init (gboolean mouse_enable, gboolean is_xterm)
+{
+    SLtt_Ignore_Beep = 1;
+
+    SLutf8_enable (-1);         /* has to be called first before any of the other functions. */
+    SLtt_get_terminfo ();
+    /*
+     * If the terminal in not in terminfo but begins with a well-known
+     * string such as "linux" or "xterm" S-Lang will go on, but the
+     * terminal size and several other variables won't be initialized
+     * (as of S-Lang 1.4.4). Detect it and abort. Also detect extremely
+     * small screen dimensions.
+     */
+    if ((COLS < 10) || (LINES < 5)
+#if SLANG_VERSION < 20303
+        /* Beginning from pre2.3.3-8 (55f58798c267d76a1b93d0d916027b71a10ac1ee),
+           these limitations were eliminated. */
+        || (COLS > SLTT_MAX_SCREEN_COLS) || (LINES > SLTT_MAX_SCREEN_ROWS)
+#endif
+        )
+    {
+        fprintf (stderr,
+                 _("Screen size %dx%d is not supported.\n"
+                   "Check the TERM environment variable.\n"), COLS, LINES);
+        exit (EXIT_FAILURE);
+    }
+
+    tcgetattr (fileno (stdin), &boot_mode);
+    /* 255 = ignore abort char; XCTRL('g') for abort char = ^g */
+    SLang_init_tty (XCTRL ('g'), 1, 0);
+
+    if (mc_global.tty.ugly_line_drawing)
+        SLtt_Has_Alt_Charset = 0;
+
+    tcgetattr (SLang_TT_Read_FD, &new_mode);
+
+    tty_reset_prog_mode ();
+    load_terminfo_keys ();
+
+    SLtt_Blink_Mode = (tty_use_256colors (NULL) || tty_use_truecolors (NULL)) ? 1 : 0;
+
+    tty_start_interrupt_key ();
+
+    /* It's the small part from the previous init_key() */
+    init_key_input_fd ();
+
+    /* For 8-bit locales, NCurses handles 154 (0x9A) symbol properly, while S-Lang
+     * requires SLsmg_Display_Eight_Bit >= 154 (OR manual filtering if xterm display
+     * detected - but checking TERM would fail under screen, OR running xterm
+     * with allowC1Printable).
+     */
+    tty_display_8bit (FALSE);
+
+    SLsmg_init_smg ();
+    slsmg_active = TRUE;
+    if (!mouse_enable)
+        use_mouse_p = MOUSE_DISABLED;
+    tty_init_xterm_support (is_xterm);  /* do it before tty_enter_ca_mode() call */
+    tty_enter_ca_mode ();
+    tty_keypad (TRUE);
+    tty_nodelay (FALSE);
+
+    tty_setup_sigwinch (sigwinch_handler);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_shutdown (void)
+{
+    char *op_cap;
+
+    tty_destroy_winch_pipe ();
+    tty_reset_shell_mode ();
+    tty_noraw_mode ();
+    tty_keypad (FALSE);
+    tty_reset_screen ();
+    tty_exit_ca_mode ();
+    SLang_reset_tty ();
+    slsmg_active = FALSE;
+
+    /* Load the op capability to reset the colors to those that were 
+     * active when the program was started up 
+     */
+    op_cap = SLtt_tgetstr ((SLFUTURE_CONST char *) "op");
+    if (op_cap != NULL)
+    {
+        fputs (op_cap, stdout);
+        fflush (stdout);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_enter_ca_mode (void)
+{
+    /* S-Lang handles alternate screen switching and cursor position saving */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_exit_ca_mode (void)
+{
+    /* S-Lang handles alternate screen switching and cursor position restoring */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_change_screen_size (void)
+{
+    SLtt_get_screen_size ();
+    if (slsmg_active)
+        SLsmg_reinit_smg ();
+
+#ifdef ENABLE_SUBSHELL
+    if (mc_global.tty.use_subshell)
+        tty_resize (mc_global.tty.subshell_pty);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Done each time we come back from done mode */
+
+void
+tty_reset_prog_mode (void)
+{
+    tcsetattr (SLang_TT_Read_FD, TCSANOW, &new_mode);
+    SLsmg_init_smg ();
+    slsmg_active = TRUE;
+    SLsmg_touch_lines (0, LINES);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Called each time we want to shutdown slang screen manager */
+
+void
+tty_reset_shell_mode (void)
+{
+    tcsetattr (SLang_TT_Read_FD, TCSANOW, &boot_mode);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_raw_mode (void)
+{
+    tcsetattr (SLang_TT_Read_FD, TCSANOW, &new_mode);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_noraw_mode (void)
+{
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_noecho (void)
+{
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_flush_input (void)
+{
+    return 0;                   /* OK */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_keypad (gboolean set)
+{
+    char *keypad_string;
+
+    keypad_string = SLtt_tgetstr ((SLFUTURE_CONST char *) (set ? "ks" : "ke"));
+    if (keypad_string != NULL)
+        SLtt_write_string (keypad_string);
+    if (set && reset_hp_softkeys)
+        slang_reset_softkeys ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_nodelay (gboolean set)
+{
+    no_slang_delay = set;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_baudrate (void)
+{
+    return SLang_TT_Baud_Rate;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_lowlevel_getch (void)
+{
+    int c;
+
+    if (no_slang_delay && (SLang_input_pending (0) == 0))
+        return -1;
+
+    c = SLang_getkey ();
+    if (c == SLANG_GETKEY_ERROR)
+    {
+        fprintf (stderr,
+                 "SLang_getkey returned SLANG_GETKEY_ERROR\n"
+                 "Assuming EOF on stdin and exiting\n");
+        exit (EXIT_FAILURE);
+    }
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+tty_reset_screen (void)
+{
+    SLsmg_reset_smg ();
+    slsmg_active = FALSE;
+    return 0;                   /* OK */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_touch_screen (void)
+{
+    SLsmg_touch_lines (0, LINES);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_gotoyx (int y, int x)
+{
+    SLsmg_gotorc (y, x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_getyx (int *py, int *px)
+{
+    *py = SLsmg_get_row ();
+    *px = SLsmg_get_column ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_hline (int y, int x, int ch, int len)
+{
+    int x1;
+
+    if (y < 0 || y >= LINES || x >= COLS)
+        return;
+
+    x1 = x;
+
+    if (x < 0)
+    {
+        len += x;
+        if (len <= 0)
+            return;
+        x = 0;
+    }
+
+    if (ch == ACS_HLINE)
+        ch = mc_tty_frm[MC_TTY_FRM_HORIZ];
+    if (ch == 0)
+        ch = ACS_HLINE;
+
+    SLsmg_gotorc (y, x);
+
+    if (ch == ACS_HLINE)
+        SLsmg_draw_hline (len);
+    else
+        while (len-- != 0)
+            tty_print_char (ch);
+
+    SLsmg_gotorc (y, x1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_vline (int y, int x, int ch, int len)
+{
+    int y1;
+
+    if (x < 0 || x >= COLS || y >= LINES)
+        return;
+
+    y1 = y;
+
+    if (y < 0)
+    {
+        len += y;
+        if (len <= 0)
+            return;
+        y = 0;
+    }
+
+    if (ch == ACS_VLINE)
+        ch = mc_tty_frm[MC_TTY_FRM_VERT];
+    if (ch == 0)
+        ch = ACS_VLINE;
+
+    SLsmg_gotorc (y, x);
+
+    if (ch == ACS_VLINE)
+        SLsmg_draw_vline (len);
+    else
+    {
+        int pos = 0;
+
+        while (len-- != 0)
+        {
+            SLsmg_gotorc (y + pos, x);
+            tty_print_char (ch);
+            pos++;
+        }
+    }
+
+    SLsmg_gotorc (y1, x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_fill_region (int y, int x, int rows, int cols, unsigned char ch)
+{
+    SLsmg_fill_region (y, x, rows, cols, ch);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_colorize_area (int y, int x, int rows, int cols, int color)
+{
+    if (use_colors)
+        SLsmg_set_color_in_region (color, y, x, rows, cols);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_set_alt_charset (gboolean alt_charset)
+{
+    SLsmg_set_char_set ((int) alt_charset);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_display_8bit (gboolean what)
+{
+    SLsmg_Display_Eight_Bit = what ? 128 : 160;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_char (int c)
+{
+    SLsmg_write_char ((SLwchar_Type) ((unsigned int) c));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_alt_char (int c, gboolean single)
+{
+#define DRAW(x, y) (x == y) \
+       ? SLsmg_draw_object (SLsmg_get_row(), SLsmg_get_column(), x) \
+       : SLsmg_write_char ((unsigned int) y)
+    switch (c)
+    {
+    case ACS_VLINE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_VERT : MC_TTY_FRM_DVERT]);
+        break;
+    case ACS_HLINE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_HORIZ : MC_TTY_FRM_DHORIZ]);
+        break;
+    case ACS_LTEE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_LEFTMIDDLE : MC_TTY_FRM_DLEFTMIDDLE]);
+        break;
+    case ACS_RTEE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_RIGHTMIDDLE : MC_TTY_FRM_DRIGHTMIDDLE]);
+        break;
+    case ACS_TTEE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_TOPMIDDLE : MC_TTY_FRM_DTOPMIDDLE]);
+        break;
+    case ACS_BTEE:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_BOTTOMMIDDLE : MC_TTY_FRM_DBOTTOMMIDDLE]);
+        break;
+    case ACS_ULCORNER:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_LEFTTOP : MC_TTY_FRM_DLEFTTOP]);
+        break;
+    case ACS_LLCORNER:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_LEFTBOTTOM : MC_TTY_FRM_DLEFTBOTTOM]);
+        break;
+    case ACS_URCORNER:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_RIGHTTOP : MC_TTY_FRM_DRIGHTTOP]);
+        break;
+    case ACS_LRCORNER:
+        DRAW (c, mc_tty_frm[single ? MC_TTY_FRM_RIGHTBOTTOM : MC_TTY_FRM_DRIGHTBOTTOM]);
+        break;
+    case ACS_PLUS:
+        DRAW (c, mc_tty_frm[MC_TTY_FRM_CROSS]);
+        break;
+    default:
+        SLsmg_write_char ((unsigned int) c);
+    }
+#undef DRAW
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_anychar (int c)
+{
+    if (c > 255)
+    {
+        char str[UTF8_CHAR_LEN + 1];
+        int res;
+
+        res = g_unichar_to_utf8 (c, str);
+        if (res == 0)
+        {
+            str[0] = '.';
+            str[1] = '\0';
+        }
+        else
+        {
+            str[res] = '\0';
+        }
+        SLsmg_write_string ((char *) str_term_form (str));
+    }
+    else
+    {
+        if (!is_printable (c))
+            c = '.';
+        SLsmg_write_char ((SLwchar_Type) ((unsigned int) c));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_string (const char *s)
+{
+    SLsmg_write_string ((char *) str_term_form (s));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_printf (const char *fmt, ...)
+{
+    va_list args;
+
+    va_start (args, fmt);
+    SLsmg_vprintf ((char *) fmt, args);
+    va_end (args);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+tty_tgetstr (const char *cap)
+{
+    return SLtt_tgetstr ((SLFUTURE_CONST char *) cap);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_refresh (void)
+{
+    SLsmg_refresh ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_beep (void)
+{
+    SLtt_beep ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/tty-slang.h b/lib/tty/tty-slang.h
new file mode 100644
index 0000000..eeaade3
--- /dev/null
+++ b/lib/tty/tty-slang.h
@@ -0,0 +1,48 @@
+
+#ifndef MC__TTY_SLANG_H
+#define MC__TTY_SLANG_H
+
+#include <slang.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define KEY_F(x) (1000 + x)
+
+#define ACS_VLINE    SLSMG_VLINE_CHAR
+#define ACS_HLINE    SLSMG_HLINE_CHAR
+#define ACS_LTEE     SLSMG_LTEE_CHAR
+#define ACS_RTEE     SLSMG_RTEE_CHAR
+#define ACS_TTEE     SLSMG_UTEE_CHAR
+#define ACS_BTEE     SLSMG_DTEE_CHAR
+#define ACS_ULCORNER SLSMG_ULCORN_CHAR
+#define ACS_LLCORNER SLSMG_LLCORN_CHAR
+#define ACS_URCORNER SLSMG_URCORN_CHAR
+#define ACS_LRCORNER SLSMG_LRCORN_CHAR
+#define ACS_PLUS     SLSMG_PLUS_CHAR
+
+#define COLS  SLtt_Screen_Cols
+#define LINES SLtt_Screen_Rows
+
+#define ENABLE_SHADOWS 1
+
+/*** enums ***************************************************************************************/
+
+enum
+{
+    KEY_BACKSPACE = 400,
+    KEY_END, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT,
+    KEY_HOME, KEY_A1, KEY_C1, KEY_NPAGE, KEY_PPAGE, KEY_IC,
+    KEY_ENTER, KEY_DC, KEY_SCANCEL, KEY_BTAB
+};
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int reset_hp_softkeys;
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_TTY_SLANG_H */
diff --git a/lib/tty/tty.c b/lib/tty/tty.c
new file mode 100644
index 0000000..60b138e
--- /dev/null
+++ b/lib/tty/tty.c
@@ -0,0 +1,413 @@
+/*
+   Interface to the terminal controlling library.
+
+   Copyright (C) 2005-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Roland Illig <roland.illig@gmx.de>, 2005.
+   Andrew Borodin <aborodin@vmail.ru>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file tty.c
+ *  \brief Source: %interface to the terminal controlling library
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>             /* memset() */
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#else
+#include <sys/time.h>
+#include <sys/types.h>
+#endif
+#include <unistd.h>             /* exit() */
+
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+/* In some systems (like Solaris 11.4 SPARC), TIOCSWINSZ is defined in termios.h */
+#include <termios.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+
+#include "tty.h"
+#include "tty-internal.h"
+#include "color.h"              /* tty_set_normal_attrs() */
+#include "mouse.h"              /* use_mouse_p */
+#include "win.h"
+
+/*** global variables ****************************************************************************/
+
+int mc_tty_frm[MC_TTY_FRM_MAX];
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static SIG_ATOMIC_VOLATILE_T got_interrupt = 0;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+sigintr_handler (int signo)
+{
+    (void) &signo;
+    got_interrupt = 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Check terminal type. If $TERM is not set or value is empty, mc finishes with EXIT_FAILURE.
+ *
+ * @param force_xterm Set forced the XTerm type
+ *
+ * @return true if @param force_xterm is true or value of $TERM is one of following:
+ *         term*
+ *         konsole*
+ *         rxvt*
+ *         Eterm
+ *         dtterm
+ *         alacritty*
+ *         foot*
+ *         screen*
+ *         tmux*
+ *         contour*
+ */
+gboolean
+tty_check_term (gboolean force_xterm)
+{
+    const char *termvalue;
+
+    termvalue = getenv ("TERM");
+    if (termvalue == NULL || *termvalue == '\0')
+    {
+        fputs (_("The TERM environment variable is unset!\n"), stderr);
+        exit (EXIT_FAILURE);
+    }
+
+    /* *INDENT-OFF* */
+    return force_xterm
+        || strncmp (termvalue, "xterm", 5) == 0
+        || strncmp (termvalue, "konsole", 7) == 0
+        || strncmp (termvalue, "rxvt", 4) == 0
+        || strcmp (termvalue, "Eterm") == 0
+        || strcmp (termvalue, "dtterm") == 0
+        || strncmp (termvalue, "alacritty", 9) == 0
+        || strncmp (termvalue, "foot", 4) == 0
+        || strncmp (termvalue, "screen", 6) == 0
+        || strncmp (termvalue, "tmux", 4) == 0
+        || strncmp (termvalue, "contour", 7) == 0;
+    /* *INDENT-ON* */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+extern void
+tty_start_interrupt_key (void)
+{
+    struct sigaction act;
+
+    memset (&act, 0, sizeof (act));
+    act.sa_handler = sigintr_handler;
+    sigemptyset (&act.sa_mask);
+#ifdef SA_RESTART
+    act.sa_flags = SA_RESTART;
+#endif /* SA_RESTART */
+    sigaction (SIGINT, &act, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+extern void
+tty_enable_interrupt_key (void)
+{
+    struct sigaction act;
+
+    memset (&act, 0, sizeof (act));
+    act.sa_handler = sigintr_handler;
+    sigemptyset (&act.sa_mask);
+    sigaction (SIGINT, &act, NULL);
+    got_interrupt = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+extern void
+tty_disable_interrupt_key (void)
+{
+    struct sigaction act;
+
+    memset (&act, 0, sizeof (act));
+    act.sa_handler = SIG_IGN;
+    sigemptyset (&act.sa_mask);
+    sigaction (SIGINT, &act, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+extern gboolean
+tty_got_interrupt (void)
+{
+    gboolean rv;
+
+    rv = (got_interrupt != 0);
+    got_interrupt = 0;
+    return rv;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+tty_got_winch (void)
+{
+    fd_set fdset;
+    /* *INDENT-OFF* */
+    /* instant timeout */
+    struct timeval timeout = { .tv_sec = 0, .tv_usec = 0 };
+    /* *INDENT-ON* */
+    int ok;
+
+    FD_ZERO (&fdset);
+    FD_SET (sigwinch_pipe[0], &fdset);
+
+    while ((ok = select (sigwinch_pipe[0] + 1, &fdset, NULL, NULL, &timeout)) < 0)
+        if (errno != EINTR)
+        {
+            perror (_("Cannot check SIGWINCH pipe"));
+            exit (EXIT_FAILURE);
+        }
+
+    return (ok != 0 && FD_ISSET (sigwinch_pipe[0], &fdset));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_flush_winch (void)
+{
+    ssize_t n;
+
+    /* merge all SIGWINCH events raised to this moment */
+    do
+    {
+        char x[16];
+
+        /* read multiple events at a time  */
+        n = read (sigwinch_pipe[0], &x, sizeof (x));
+    }
+    while (n > 0 || (n == -1 && errno == EINTR));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_one_hline (gboolean single)
+{
+    tty_print_alt_char (ACS_HLINE, single);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_print_one_vline (gboolean single)
+{
+    tty_print_alt_char (ACS_VLINE, single);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_box (int y, int x, int ys, int xs, gboolean single)
+{
+    int y2, x2;
+
+    if (ys <= 0 || xs <= 0)
+        return;
+
+    ys--;
+    xs--;
+
+    y2 = y + ys;
+    x2 = x + xs;
+
+    tty_draw_vline (y, x, mc_tty_frm[single ? MC_TTY_FRM_VERT : MC_TTY_FRM_DVERT], ys);
+    tty_draw_vline (y, x2, mc_tty_frm[single ? MC_TTY_FRM_VERT : MC_TTY_FRM_DVERT], ys);
+    tty_draw_hline (y, x, mc_tty_frm[single ? MC_TTY_FRM_HORIZ : MC_TTY_FRM_DHORIZ], xs);
+    tty_draw_hline (y2, x, mc_tty_frm[single ? MC_TTY_FRM_HORIZ : MC_TTY_FRM_DHORIZ], xs);
+    tty_gotoyx (y, x);
+    tty_print_alt_char (ACS_ULCORNER, single);
+    tty_gotoyx (y2, x);
+    tty_print_alt_char (ACS_LLCORNER, single);
+    tty_gotoyx (y, x2);
+    tty_print_alt_char (ACS_URCORNER, single);
+    tty_gotoyx (y2, x2);
+    tty_print_alt_char (ACS_LRCORNER, single);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_draw_box_shadow (int y, int x, int rows, int cols, int shadow_color)
+{
+    /* draw right shadow */
+    tty_colorize_area (y + 1, x + cols, rows - 1, 2, shadow_color);
+    /* draw bottom shadow */
+    tty_colorize_area (y + rows, x + 2, 1, cols, shadow_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+mc_tty_normalize_from_utf8 (const char *str)
+{
+    GIConv conv;
+    GString *buffer;
+    const char *_system_codepage = str_detect_termencoding ();
+
+    if (str_isutf8 (_system_codepage))
+        return g_strdup (str);
+
+    conv = g_iconv_open (_system_codepage, "UTF-8");
+    if (conv == INVALID_CONV)
+        return g_strdup (str);
+
+    buffer = g_string_new ("");
+
+    if (str_convert (conv, str, buffer) == ESTR_FAILURE)
+    {
+        g_string_free (buffer, TRUE);
+        str_close_conv (conv);
+        return g_strdup (str);
+    }
+    str_close_conv (conv);
+
+    return g_string_free (buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Resize given terminal using TIOCSWINSZ, return ioctl() result */
+int
+tty_resize (int fd)
+{
+#if defined TIOCSWINSZ
+    struct winsize tty_size;
+
+    tty_size.ws_row = LINES;
+    tty_size.ws_col = COLS;
+    tty_size.ws_xpixel = tty_size.ws_ypixel = 0;
+
+    return ioctl (fd, TIOCSWINSZ, &tty_size);
+#else
+    return 0;
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Clear screen */
+void
+tty_clear_screen (void)
+{
+    tty_set_normal_attrs ();
+    tty_fill_region (0, 0, LINES, COLS, ' ');
+    tty_refresh ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tty_init_xterm_support (gboolean is_xterm)
+{
+    const char *termvalue;
+
+    termvalue = getenv ("TERM");
+
+    /* Check mouse and ca capabilities */
+    /* terminfo/termcap structures have been already initialized,
+       in slang_init() or/and init_curses()  */
+    /* Check terminfo at first, then check termcap */
+    xmouse_seq = tty_tgetstr ("kmous");
+    if (xmouse_seq == NULL)
+        xmouse_seq = tty_tgetstr ("Km");
+    smcup = tty_tgetstr ("smcup");
+    if (smcup == NULL)
+        smcup = tty_tgetstr ("ti");
+    rmcup = tty_tgetstr ("rmcup");
+    if (rmcup == NULL)
+        rmcup = tty_tgetstr ("te");
+
+    if (strcmp (termvalue, "cygwin") == 0)
+    {
+        is_xterm = TRUE;
+        use_mouse_p = MOUSE_DISABLED;
+    }
+
+    if (is_xterm)
+    {
+        /* Default to the standard xterm sequence */
+        if (xmouse_seq == NULL)
+            xmouse_seq = ESC_STR "[M";
+
+        /* Enable mouse unless explicitly disabled by --nomouse */
+        if (use_mouse_p != MOUSE_DISABLED)
+        {
+            if (mc_global.tty.old_mouse)
+                use_mouse_p = MOUSE_XTERM_NORMAL_TRACKING;
+            else
+            {
+                /* FIXME: this dirty hack to set supported type of tracking the mouse */
+                const char *color_term = getenv ("COLORTERM");
+                if (strncmp (termvalue, "rxvt", 4) == 0 ||
+                    (color_term != NULL && strncmp (color_term, "rxvt", 4) == 0) ||
+                    strcmp (termvalue, "Eterm") == 0)
+                    use_mouse_p = MOUSE_XTERM_NORMAL_TRACKING;
+                else
+                    use_mouse_p = MOUSE_XTERM_BUTTON_EVENT_TRACKING;
+            }
+        }
+    }
+
+    /* There's only one termcap entry "kmous", typically containing "\E[M" or "\E[<".
+     * We need the former in xmouse_seq, the latter in xmouse_extended_seq.
+     * See tickets 2956, 3954, and 4063 for details. */
+    if (xmouse_seq != NULL)
+    {
+        if (strcmp (xmouse_seq, ESC_STR "[<") == 0)
+            xmouse_seq = ESC_STR "[M";
+
+        xmouse_extended_seq = ESC_STR "[<";
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/tty.h b/lib/tty/tty.h
new file mode 100644
index 0000000..90cbbc6
--- /dev/null
+++ b/lib/tty/tty.h
@@ -0,0 +1,146 @@
+
+/** \file tty.h
+ *  \brief Header: %interface to the terminal controlling library
+ *
+ *  This file is the %interface to the terminal controlling library:
+ *  slang or ncurses. It provides an additional layer of abstraction
+ *  above the "real" libraries to keep the number of ifdefs in the other
+ *  files small.
+ */
+
+#ifndef MC__TTY_H
+#define MC__TTY_H
+
+#include "lib/global.h"         /* include <glib.h> */
+
+#ifdef HAVE_SLANG
+#include "tty-slang.h"
+#else
+#include "tty-ncurses.h"
+#endif
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define KEY_KP_ADD      4001
+#define KEY_KP_SUBTRACT 4002
+#define KEY_KP_MULTIPLY 4003
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    /* single lines */
+    MC_TTY_FRM_VERT,
+    MC_TTY_FRM_HORIZ,
+    MC_TTY_FRM_LEFTTOP,
+    MC_TTY_FRM_RIGHTTOP,
+    MC_TTY_FRM_LEFTBOTTOM,
+    MC_TTY_FRM_RIGHTBOTTOM,
+    MC_TTY_FRM_TOPMIDDLE,
+    MC_TTY_FRM_BOTTOMMIDDLE,
+    MC_TTY_FRM_LEFTMIDDLE,
+    MC_TTY_FRM_RIGHTMIDDLE,
+    MC_TTY_FRM_CROSS,
+
+    /* double lines */
+    MC_TTY_FRM_DVERT,
+    MC_TTY_FRM_DHORIZ,
+    MC_TTY_FRM_DLEFTTOP,
+    MC_TTY_FRM_DRIGHTTOP,
+    MC_TTY_FRM_DLEFTBOTTOM,
+    MC_TTY_FRM_DRIGHTBOTTOM,
+    MC_TTY_FRM_DTOPMIDDLE,
+    MC_TTY_FRM_DBOTTOMMIDDLE,
+    MC_TTY_FRM_DLEFTMIDDLE,
+    MC_TTY_FRM_DRIGHTMIDDLE,
+
+    MC_TTY_FRM_MAX
+} mc_tty_frm_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int mc_tty_frm[];
+
+extern char *tty_tgetstr (const char *name);
+
+/*** declarations of public functions ************************************************************/
+
+extern void tty_beep (void);
+
+/* {{{ Input }}} */
+
+extern gboolean tty_check_term (gboolean force_xterm);
+extern void tty_init (gboolean mouse_enable, gboolean is_xterm);
+extern void tty_shutdown (void);
+
+extern void tty_start_interrupt_key (void);
+extern void tty_enable_interrupt_key (void);
+extern void tty_disable_interrupt_key (void);
+extern gboolean tty_got_interrupt (void);
+
+extern gboolean tty_got_winch (void);
+extern void tty_flush_winch (void);
+
+extern void tty_reset_prog_mode (void);
+extern void tty_reset_shell_mode (void);
+
+extern void tty_raw_mode (void);
+extern void tty_noraw_mode (void);
+
+extern void tty_noecho (void);
+extern int tty_flush_input (void);
+
+extern void tty_keypad (gboolean set);
+extern void tty_nodelay (gboolean set);
+extern int tty_baudrate (void);
+
+/* {{{ Output }}} */
+
+/*
+   The output functions do not check themselves for screen overflows,
+   so make sure that you never write more than what fits on the screen.
+   While SLang provides such a feature, ncurses does not.
+ */
+
+extern int tty_reset_screen (void);
+extern void tty_touch_screen (void);
+
+extern void tty_gotoyx (int y, int x);
+extern void tty_getyx (int *py, int *px);
+
+extern void tty_set_alt_charset (gboolean alt_charset);
+
+extern void tty_display_8bit (gboolean what);
+extern void tty_print_char (int c);
+extern void tty_print_alt_char (int c, gboolean single);
+extern void tty_print_anychar (int c);
+extern void tty_print_string (const char *s);
+/* *INDENT-OFF* */
+extern void tty_printf (const char *s, ...) G_GNUC_PRINTF (1, 2);
+/* *INDENT-ON* */
+
+extern void tty_print_one_vline (gboolean single);
+extern void tty_print_one_hline (gboolean single);
+extern void tty_draw_hline (int y, int x, int ch, int len);
+extern void tty_draw_vline (int y, int x, int ch, int len);
+extern void tty_draw_box (int y, int x, int rows, int cols, gboolean single);
+extern void tty_draw_box_shadow (int y, int x, int rows, int cols, int shadow_color);
+extern void tty_fill_region (int y, int x, int rows, int cols, unsigned char ch);
+
+extern int tty_resize (int fd);
+extern void tty_refresh (void);
+extern void tty_change_screen_size (void);
+
+/* Clear screen */
+extern void tty_clear_screen (void);
+
+extern int mc_tty_normalize_lines_char (const char *str);
+
+extern void tty_enter_ca_mode (void);
+extern void tty_exit_ca_mode (void);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__TTY_H */
diff --git a/lib/tty/win.c b/lib/tty/win.c
new file mode 100644
index 0000000..808d508
--- /dev/null
+++ b/lib/tty/win.c
@@ -0,0 +1,165 @@
+/*
+   Terminal management xterm and rxvt support
+
+   Copyright (C) 1995-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file win.c
+ *  \brief Source: Terminal management xterm and rxvt support
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#else
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+
+#include "lib/global.h"
+#include "lib/util.h"           /* is_printable() */
+#include "tty-internal.h"
+#include "tty.h"                /* tty_gotoyx, tty_print_char */
+#include "win.h"
+
+/*** global variables ****************************************************************************/
+
+char *smcup = NULL;
+char *rmcup = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean rxvt_extensions = FALSE;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* my own weird protocol base 16 - paul */
+static int
+rxvt_getc (void)
+{
+    int r;
+    unsigned char c;
+
+    while (read (0, &c, 1) != 1);
+    if (c == '\n')
+        return -1;
+    r = (c - 'A') * 16;
+    while (read (0, &c, 1) != 1);
+    r += (c - 'A');
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+anything_ready (void)
+{
+    fd_set fds;
+    struct timeval tv;
+
+    FD_ZERO (&fds);
+    FD_SET (0, &fds);
+    tv.tv_sec = 0;
+    tv.tv_usec = 0;
+    return select (1, &fds, 0, 0, &tv);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+show_rxvt_contents (int starty, unsigned char y1, unsigned char y2)
+{
+    unsigned char *k;
+    int bytes, i, j, cols = 0;
+
+    y1 += mc_global.keybar_visible != 0 ? 1 : 0;        /* i don't knwo why we need this - paul */
+    y2 += mc_global.keybar_visible != 0 ? 1 : 0;
+    while (anything_ready ())
+        tty_lowlevel_getch ();
+
+    /* my own weird protocol base 26 - paul */
+    printf (ESC_STR "CL%c%c%c%c\n", (y1 / 26) + 'A', (y1 % 26) + 'A', (y2 / 26) + 'A',
+            (y2 % 26) + 'A');
+
+    bytes = (y2 - y1) * (COLS + 1) + 1; /* *should* be the number of bytes read */
+    j = 0;
+    k = g_malloc (bytes);
+    while (TRUE)
+    {
+        int c;
+
+        c = rxvt_getc ();
+        if (c < 0)
+            break;
+        if (j < bytes)
+            k[j++] = c;
+        for (cols = 1;; cols++)
+        {
+            c = rxvt_getc ();
+            if (c < 0)
+                break;
+            if (j < bytes)
+                k[j++] = c;
+        }
+    }
+    for (i = 0; i < j; i++)
+    {
+        if ((i % cols) == 0)
+            tty_gotoyx (starty + (i / cols), 0);
+        tty_print_char (is_printable (k[i]) ? k[i] : ' ');
+    }
+    g_free (k);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+look_for_rxvt_extensions (void)
+{
+    static gboolean been_called = FALSE;
+
+    if (!been_called)
+    {
+        const char *e = getenv ("RXVT_EXT");
+        rxvt_extensions = ((e != NULL) && (strcmp (e, "1.0") == 0));
+        been_called = TRUE;
+    }
+
+    if (rxvt_extensions)
+        mc_global.tty.console_flag = '\004';
+
+    return rxvt_extensions;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/win.h b/lib/tty/win.h
new file mode 100644
index 0000000..4c31607
--- /dev/null
+++ b/lib/tty/win.h
@@ -0,0 +1,24 @@
+/** \file win.h
+ *  \brief Header: X terminal management: xterm and rxvt
+ */
+
+#ifndef MC__WIN_H
+#define MC__WIN_H
+
+#include "lib/global.h"         /* <glib.h> */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void show_rxvt_contents (int starty, unsigned char y1, unsigned char y2);
+gboolean look_for_rxvt_extensions (void);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_WIN_H */
diff --git a/lib/tty/x11conn.c b/lib/tty/x11conn.c
new file mode 100644
index 0000000..68e83b4
--- /dev/null
+++ b/lib/tty/x11conn.c
@@ -0,0 +1,262 @@
+/*
+   X11 support for the Midnight Commander.
+
+   Copyright (C) 2005-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Roland Illig <roland.illig@gmx.de>, 2005.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file x11conn.c
+ *  \brief Source: X11 support
+ *  \warning This code uses setjmp() and longjmp(). Before you modify _anything_ here,
+ *  please read the relevant sections of the C standard.
+ */
+
+#include <config.h>
+
+#include <setjmp.h>
+#include <X11/Xlib.h>
+#ifdef HAVE_GMODULE
+#include <gmodule.h>
+#endif
+
+#include "lib/global.h"
+#include "x11conn.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifndef HAVE_GMODULE
+#define func_XOpenDisplay       XOpenDisplay
+#define func_XCloseDisplay      XCloseDisplay
+#define func_XSetErrorHandler   XSetErrorHandler
+#define func_XSetIOErrorHandler XSetIOErrorHandler
+#define func_XQueryPointer      XQueryPointer
+#endif
+
+/*** file scope type declarations ****************************************************************/
+
+typedef int (*mc_XErrorHandler_callback) (Display *, XErrorEvent *);
+typedef int (*mc_XIOErrorHandler_callback) (Display *);
+
+/*** file scope variables ************************************************************************/
+
+#ifdef HAVE_GMODULE
+static Display *(*func_XOpenDisplay) (_Xconst char *);
+static int (*func_XCloseDisplay) (Display *);
+static mc_XErrorHandler_callback (*func_XSetErrorHandler) (mc_XErrorHandler_callback);
+static mc_XIOErrorHandler_callback (*func_XSetIOErrorHandler) (mc_XIOErrorHandler_callback);
+static Bool (*func_XQueryPointer) (Display *, Window, Window *, Window *,
+                                   int *, int *, int *, int *, unsigned int *);
+static GModule *x11_module;
+#endif
+
+static gboolean handlers_installed = FALSE;
+
+/* This flag is set as soon as an X11 error is reported. Usually that
+ * means that the DISPLAY is not available anymore. We do not try to
+ * reconnect, as that would violate the X11 protocol. */
+static gboolean lost_connection = FALSE;
+
+static jmp_buf x11_exception;   /* FIXME: get a better name */
+static gboolean longjmp_allowed = FALSE;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+x_io_error_handler (Display * dpy)
+{
+    (void) dpy;
+
+    lost_connection = TRUE;
+    if (longjmp_allowed)
+    {
+        longjmp_allowed = FALSE;
+        longjmp (x11_exception, 1);
+    }
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+x_error_handler (Display * dpy, XErrorEvent * ee)
+{
+    (void) ee;
+    (void) func_XCloseDisplay (dpy);
+    return x_io_error_handler (dpy);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+install_error_handlers (void)
+{
+    if (handlers_installed)
+        return;
+
+    (void) func_XSetErrorHandler (x_error_handler);
+    (void) func_XSetIOErrorHandler (x_io_error_handler);
+    handlers_installed = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+x11_available (void)
+{
+#ifdef HAVE_GMODULE
+    gchar *x11_module_fname;
+
+    if (lost_connection)
+        return FALSE;
+
+    if (x11_module != NULL)
+        return TRUE;
+
+    x11_module_fname = g_module_build_path (NULL, "X11");
+    x11_module = g_module_open (x11_module_fname, G_MODULE_BIND_LAZY);
+    if (x11_module == NULL)
+        x11_module = g_module_open ("libX11.so.6", G_MODULE_BIND_LAZY);
+
+    g_free (x11_module_fname);
+
+    if (x11_module == NULL)
+        return FALSE;
+
+    if (!g_module_symbol (x11_module, "XOpenDisplay", (void *) &func_XOpenDisplay))
+        goto cleanup;
+    if (!g_module_symbol (x11_module, "XCloseDisplay", (void *) &func_XCloseDisplay))
+        goto cleanup;
+    if (!g_module_symbol (x11_module, "XQueryPointer", (void *) &func_XQueryPointer))
+        goto cleanup;
+    if (!g_module_symbol (x11_module, "XSetErrorHandler", (void *) &func_XSetErrorHandler))
+        goto cleanup;
+    if (!g_module_symbol (x11_module, "XSetIOErrorHandler", (void *) &func_XSetIOErrorHandler))
+        goto cleanup;
+
+    install_error_handlers ();
+    return TRUE;
+
+  cleanup:
+    func_XOpenDisplay = 0;
+    func_XCloseDisplay = 0;
+    func_XQueryPointer = 0;
+    func_XSetErrorHandler = 0;
+    func_XSetIOErrorHandler = 0;
+    g_module_close (x11_module);
+    x11_module = NULL;
+    return FALSE;
+#else
+    install_error_handlers ();
+    return !(lost_connection);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+Display *
+mc_XOpenDisplay (const char *displayname)
+{
+    if (x11_available ())
+    {
+        if (setjmp (x11_exception) == 0)
+        {
+            Display *retval;
+
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = TRUE;
+
+            retval = func_XOpenDisplay (displayname);
+
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = FALSE;
+            return retval;
+        }
+    }
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_XCloseDisplay (Display * display)
+{
+    if (x11_available ())
+    {
+        if (setjmp (x11_exception) == 0)
+        {
+            int retval;
+
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = TRUE;
+
+            retval = func_XCloseDisplay (display);
+
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = FALSE;
+
+            return retval;
+        }
+    }
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+Bool
+mc_XQueryPointer (Display * display, Window win, Window * root_return,
+                  Window * child_return, int *root_x_return, int *root_y_return,
+                  int *win_x_return, int *win_y_return, unsigned int *mask_return)
+{
+    Bool retval;
+
+    if (x11_available ())
+    {
+        if (setjmp (x11_exception) == 0)
+        {
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = TRUE;
+
+            retval = func_XQueryPointer (display, win, root_return,
+                                         child_return, root_x_return, root_y_return,
+                                         win_x_return, win_y_return, mask_return);
+
+            /* cppcheck-suppress redundantAssignment */
+            longjmp_allowed = FALSE;
+
+            return retval;
+        }
+    }
+    *root_return = None;
+    *child_return = None;
+    *root_x_return = 0;
+    *root_y_return = 0;
+    *win_x_return = 0;
+    *win_y_return = 0;
+    *mask_return = 0;
+    return False;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/tty/x11conn.h b/lib/tty/x11conn.h
new file mode 100644
index 0000000..fbfe15a
--- /dev/null
+++ b/lib/tty/x11conn.h
@@ -0,0 +1,40 @@
+/** \file x11conn.h
+ *  \brief Header: X11 support
+ *  \warning This code uses setjmp() and longjmp(). Before you modify _anything_ here,
+ *  please read the relevant sections of the C standard.
+ */
+
+#ifndef MC__X11CONN_H
+#define MC__X11CONN_H
+
+/*
+   This module provides support for some X11 functions.  The functions
+   are loaded dynamically if GModule is available, and statically if
+   not.  X11 session handling is somewhat robust.  If there is an X11
+   error or a connection error, all further traffic to the X server
+   will be suppressed, and the functions will return reasonable default
+   values.
+ */
+
+#include <X11/Xlib.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+extern Display *mc_XOpenDisplay (const char *displayname);
+extern int mc_XCloseDisplay (Display * display);
+
+extern Bool mc_XQueryPointer (Display * display, Window win, Window * root_return,
+                              Window * child_return, int *root_x_return, int *root_y_return,
+                              int *win_x_return, int *win_y_return, unsigned int *mask_return);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__X11CONN_H */
diff --git a/lib/unixcompat.h b/lib/unixcompat.h
new file mode 100644
index 0000000..c7ff12d
--- /dev/null
+++ b/lib/unixcompat.h
@@ -0,0 +1,63 @@
+/** \file unixcompat.h
+ *  \brief Header: collects differences between the various Unix
+ *
+ *  This header file collects differences between the various Unix
+ *  variants that are supported by the Midnight Commander and provides
+ *  replacement routines if they are not natively available.
+ *  The major/minor macros are not specified in SUSv3, so we can only hope
+ *  they are provided by the operating system or emulate it.
+ */
+
+#ifndef MC_UNIXCOMPAT_H
+#define MC_UNIXCOMPAT_H
+
+#include <sys/types.h>          /* BSD */
+
+#ifdef MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+#elif defined MAJOR_IN_SYSMACROS
+#include <sys/sysmacros.h>
+#endif
+
+#include <unistd.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifndef major
+#warning major() is undefined. Device numbers will not be shown correctly.
+#define major(devnum) (((devnum) >> 8) & 0xff)
+#endif
+
+#ifndef minor
+#warning minor() is undefined. Device numbers will not be shown correctly.
+#define minor(devnum) (((devnum) & 0xff))
+#endif
+
+#ifndef makedev
+#warning makedev() is undefined. Device numbers will not be shown correctly.
+#define makedev(major,minor) ((((major) & 0xff) << 8) | ((minor) & 0xff))
+#endif
+
+#ifndef STDIN_FILENO
+#define STDIN_FILENO 0
+#endif
+
+#ifndef STDOUT_FILENO
+#define STDOUT_FILENO 1
+#endif
+
+#ifndef STDERR_FILENO
+#define STDERR_FILENO 2
+#endif
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif
diff --git a/lib/util.c b/lib/util.c
new file mode 100644
index 0000000..8322b07
--- /dev/null
+++ b/lib/util.c
@@ -0,0 +1,1534 @@
+/*
+   Various utilities
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1994, 1995, 1996
+   Janne Kukonlehto, 1994, 1995, 1996
+   Dugan Porter, 1994, 1995, 1996
+   Jakub Jelinek, 1994, 1995, 1996
+   Mauricio Plaza, 1994, 1995, 1996
+   Slava Zanko <slavazanko@gmail.com>, 2013
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file lib/util.c
+ *  \brief Source: various utilities
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stddef.h>             /* ptrdiff_t */
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "lib/global.h"
+#include "lib/mcconfig.h"
+#include "lib/fileloc.h"
+#include "lib/vfs/vfs.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define ismode(n,m) ((n & m) == m)
+
+/* Number of attempts to create a temporary file */
+#ifndef TMP_MAX
+#define TMP_MAX 16384
+#endif /* !TMP_MAX */
+
+#define TMP_SUFFIX ".tmp"
+
+#define ASCII_A (0x40 + 1)
+#define ASCII_Z (0x40 + 26)
+#define ASCII_a (0x60 + 1)
+#define ASCII_z (0x60 + 26)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#ifndef HAVE_CHARSET
+static inline int
+is_7bit_printable (unsigned char c)
+{
+    return (c > 31 && c < 127);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline int
+is_iso_printable (unsigned char c)
+{
+    return ((c > 31 && c < 127) || c >= 160);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline int
+is_8bit_printable (unsigned char c)
+{
+    /* "Full 8 bits output" doesn't work on xterm */
+    if (mc_global.tty.xterm_flag)
+        return is_iso_printable (c);
+
+    return (c > 31 && c != 127 && c != 155);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+resolve_symlinks (const vfs_path_t * vpath)
+{
+    char *p, *p2;
+    char *buf, *buf2, *q, *r, c;
+    struct stat mybuf;
+
+    if (vpath->relative)
+        return NULL;
+
+    p = p2 = g_strdup (vfs_path_as_str (vpath));
+    r = buf = g_malloc (MC_MAXPATHLEN);
+    buf2 = g_malloc (MC_MAXPATHLEN);
+    *r++ = PATH_SEP;
+    *r = '\0';
+
+    do
+    {
+        q = strchr (p + 1, PATH_SEP);
+        if (q == NULL)
+        {
+            q = strchr (p + 1, '\0');
+            if (q == p + 1)
+                break;
+        }
+        c = *q;
+        *q = '\0';
+        if (mc_lstat (vpath, &mybuf) < 0)
+        {
+            MC_PTR_FREE (buf);
+            goto ret;
+        }
+        if (!S_ISLNK (mybuf.st_mode))
+            strcpy (r, p + 1);
+        else
+        {
+            int len;
+
+            len = mc_readlink (vpath, buf2, MC_MAXPATHLEN - 1);
+            if (len < 0)
+            {
+                MC_PTR_FREE (buf);
+                goto ret;
+            }
+            buf2[len] = '\0';
+            if (IS_PATH_SEP (*buf2))
+                strcpy (buf, buf2);
+            else
+                strcpy (r, buf2);
+        }
+        canonicalize_pathname (buf);
+        r = strchr (buf, '\0');
+        if (*r == '\0' || !IS_PATH_SEP (r[-1]))
+            /* FIXME: this condition is always true because r points to the EOL */
+        {
+            *r++ = PATH_SEP;
+            *r = '\0';
+        }
+        *q = c;
+        p = q;
+    }
+    while (c != '\0');
+
+    if (*buf == '\0')
+        strcpy (buf, PATH_SEP_STR);
+    else if (IS_PATH_SEP (r[-1]) && r != buf + 1)
+        r[-1] = '\0';
+
+  ret:
+    g_free (buf2);
+    g_free (p2);
+    return buf;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_util_write_backup_content (const char *from_file_name, const char *to_file_name)
+{
+    FILE *backup_fd;
+    char *contents;
+    gsize length;
+    gboolean ret1 = TRUE;
+
+    if (!g_file_get_contents (from_file_name, &contents, &length, NULL))
+        return FALSE;
+
+    backup_fd = fopen (to_file_name, "w");
+    if (backup_fd == NULL)
+    {
+        g_free (contents);
+        return FALSE;
+    }
+
+    if (fwrite ((const void *) contents, 1, length, backup_fd) != length)
+        ret1 = FALSE;
+
+    {
+        int ret2;
+
+        /* cppcheck-suppress redundantAssignment */
+        ret2 = fflush (backup_fd);
+        /* cppcheck-suppress redundantAssignment */
+        ret2 = fclose (backup_fd);
+        (void) ret2;
+    }
+
+    g_free (contents);
+    return ret1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+is_printable (int c)
+{
+    c &= 0xff;
+
+#ifdef HAVE_CHARSET
+    /* "Display bits" is ignored, since the user controls the output
+       by setting the output codepage */
+    return is_8bit_printable (c);
+#else
+    if (!mc_global.eight_bit_clean)
+        return is_7bit_printable (c);
+
+    if (mc_global.full_eight_bits)
+        return is_8bit_printable (c);
+
+    return is_iso_printable (c);
+#endif /* !HAVE_CHARSET */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Quote the filename for the purpose of inserting it into the command
+ * line.  If quote_percent is TRUE, replace "%" with "%%" - the percent is
+ * processed by the mc command line.
+ */
+char *
+name_quote (const char *s, gboolean quote_percent)
+{
+    GString *ret;
+
+    ret = g_string_sized_new (64);
+
+    if (*s == '-')
+        g_string_append (ret, "." PATH_SEP_STR);
+
+    for (; *s != '\0'; s++)
+    {
+        switch (*s)
+        {
+        case '%':
+            if (quote_percent)
+                g_string_append_c (ret, '%');
+            break;
+        case '\'':
+        case '\\':
+        case '\r':
+        case '\n':
+        case '\t':
+        case '"':
+        case ';':
+        case ' ':
+        case '?':
+        case '|':
+        case '[':
+        case ']':
+        case '{':
+        case '}':
+        case '<':
+        case '>':
+        case '`':
+        case '!':
+        case '$':
+        case '&':
+        case '*':
+        case '(':
+        case ')':
+            g_string_append_c (ret, '\\');
+            break;
+        case '~':
+        case '#':
+            if (ret->len == 0)
+                g_string_append_c (ret, '\\');
+            break;
+        default:
+            break;
+        }
+        g_string_append_c (ret, *s);
+    }
+
+    return g_string_free (ret, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+fake_name_quote (const char *s, gboolean quote_percent)
+{
+    (void) quote_percent;
+    return g_strdup (s);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * path_trunc() is the same as str_trunc() but
+ * it deletes possible password from path for security
+ * reasons.
+ */
+
+const char *
+path_trunc (const char *path, size_t trunc_len)
+{
+    vfs_path_t *vpath;
+    char *secure_path;
+    const char *ret;
+
+    vpath = vfs_path_from_str (path);
+    secure_path = vfs_path_to_str_flags (vpath, 0, VPF_STRIP_PASSWORD);
+    vfs_path_free (vpath, TRUE);
+
+    ret = str_trunc (secure_path, trunc_len);
+    g_free (secure_path);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+size_trunc (uintmax_t size, gboolean use_si)
+{
+    static char x[BUF_TINY];
+    uintmax_t divisor = 1;
+    const char *xtra = _("B");
+
+    if (size > 999999999UL)
+    {
+        divisor = use_si ? 1000 : 1024;
+        xtra = use_si ? _("kB") : _("KiB");
+
+        if (size / divisor > 999999999UL)
+        {
+            divisor = use_si ? (1000 * 1000) : (1024 * 1024);
+            xtra = use_si ? _("MB") : _("MiB");
+
+            if (size / divisor > 999999999UL)
+            {
+                divisor = use_si ? (1000 * 1000 * 1000) : (1024 * 1024 * 1024);
+                xtra = use_si ? _("GB") : _("GiB");
+            }
+        }
+    }
+    g_snprintf (x, sizeof (x), "%.0f %s", 1.0 * size / divisor, xtra);
+    return x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+size_trunc_sep (uintmax_t size, gboolean use_si)
+{
+    static char x[60];
+    int count;
+    const char *p, *y;
+    char *d;
+
+    p = y = size_trunc (size, use_si);
+    p += strlen (p) - 1;
+    d = x + sizeof (x) - 1;
+    *d-- = '\0';
+    /* @size format is "size unit", i.e. "[digits][space][letters]".
+       Copy all charactes after digits. */
+    while (p >= y && !g_ascii_isdigit (*p))
+        *d-- = *p--;
+    for (count = 0; p >= y; count++)
+    {
+        if (count == 3)
+        {
+            *d-- = ',';
+            count = 0;
+        }
+        *d-- = *p--;
+    }
+    d++;
+    if (*d == ',')
+        d++;
+    return d;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Print file SIZE to BUFFER, but don't exceed LEN characters,
+ * not including trailing 0. BUFFER should be at least LEN+1 long.
+ * This function is called for every file on panels, so avoid
+ * floating point by any means.
+ *
+ * Units: size units (filesystem sizes are 1K blocks)
+ *    0=bytes, 1=Kbytes, 2=Mbytes, etc.
+ */
+
+void
+size_trunc_len (char *buffer, unsigned int len, uintmax_t size, int units, gboolean use_si)
+{
+    /* Avoid taking power for every file.  */
+    /* *INDENT-OFF* */
+    static const uintmax_t power10[] = {
+    /* we hope that size of uintmax_t is 4 bytes at least */
+        1ULL,
+        10ULL,
+        100ULL,
+        1000ULL,
+        10000ULL,
+        100000ULL,
+        1000000ULL,
+        10000000ULL,
+        100000000ULL,
+        1000000000ULL
+    /* maximum value of uintmax_t (in case of 4 bytes) is
+        4294967295
+     */
+#if SIZEOF_UINTMAX_T == 8
+                     ,
+        10000000000ULL,
+        100000000000ULL,
+        1000000000000ULL,
+        10000000000000ULL,
+        100000000000000ULL,
+        1000000000000000ULL,
+        10000000000000000ULL,
+        100000000000000000ULL,
+        1000000000000000000ULL,
+        10000000000000000000ULL
+    /* maximum value of uintmax_t (in case of 8 bytes) is
+        18447644073710439615
+     */
+#endif
+    };
+    /* *INDENT-ON* */
+    static const char *const suffix[] = { "", "K", "M", "G", "T", "P", "E", "Z", "Y", NULL };
+    static const char *const suffix_lc[] = { "", "k", "m", "g", "t", "p", "e", "z", "y", NULL };
+
+    const char *const *sfx = use_si ? suffix_lc : suffix;
+    int j = 0;
+
+    if (len == 0)
+        len = 9;
+#if SIZEOF_UINTMAX_T == 8
+    /* 20 decimal digits are required to represent 8 bytes */
+    else if (len > 19)
+        len = 19;
+#else
+    /* 10 decimal digits are required to represent 4 bytes */
+    else if (len > 9)
+        len = 9;
+#endif
+
+    /*
+     * recalculate from 1024 base to 1000 base if units>0
+     * We can't just multiply by 1024 - that might cause overflow
+     * if uintmax_t type is too small
+     */
+    if (use_si)
+        for (j = 0; j < units; j++)
+        {
+            uintmax_t size_remain;
+
+            size_remain = ((size % 125) * 1024) / 1000; /* size mod 125, recalculated */
+            size /= 125;        /* 128/125 = 1024/1000 */
+            size *= 128;        /* This will convert size from multiple of 1024 to multiple of 1000 */
+            size += size_remain;        /* Re-add remainder lost by division/multiplication */
+        }
+
+    for (j = units; sfx[j] != NULL; j++)
+    {
+        if (size == 0)
+        {
+            if (j == units)
+            {
+                /* Empty files will print "0" even with minimal width.  */
+                g_snprintf (buffer, len + 1, "%s", "0");
+            }
+            else
+            {
+                /* Use "~K" or just "K" if len is 1.  Use "B" for bytes.  */
+                g_snprintf (buffer, len + 1, (len > 1) ? "~%s" : "%s", (j > 1) ? sfx[j - 1] : "B");
+            }
+            break;
+        }
+
+        if (size < power10[len - (j > 0 ? 1 : 0)])
+        {
+            g_snprintf (buffer, len + 1, "%" PRIuMAX "%s", size, sfx[j]);
+            break;
+        }
+
+        /* Powers of 1000 or 1024, with rounding.  */
+        if (use_si)
+            size = (size + 500) / 1000;
+        else
+            size = (size + 512) >> 10;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+string_perm (mode_t mode_bits)
+{
+    static char mode[11];
+
+    strcpy (mode, "----------");
+    if (S_ISDIR (mode_bits))
+        mode[0] = 'd';
+    if (S_ISCHR (mode_bits))
+        mode[0] = 'c';
+    if (S_ISBLK (mode_bits))
+        mode[0] = 'b';
+    if (S_ISLNK (mode_bits))
+        mode[0] = 'l';
+    if (S_ISFIFO (mode_bits))
+        mode[0] = 'p';
+    if (S_ISNAM (mode_bits))
+        mode[0] = 'n';
+    if (S_ISSOCK (mode_bits))
+        mode[0] = 's';
+    if (S_ISDOOR (mode_bits))
+        mode[0] = 'D';
+    if (ismode (mode_bits, S_IXOTH))
+        mode[9] = 'x';
+    if (ismode (mode_bits, S_IWOTH))
+        mode[8] = 'w';
+    if (ismode (mode_bits, S_IROTH))
+        mode[7] = 'r';
+    if (ismode (mode_bits, S_IXGRP))
+        mode[6] = 'x';
+    if (ismode (mode_bits, S_IWGRP))
+        mode[5] = 'w';
+    if (ismode (mode_bits, S_IRGRP))
+        mode[4] = 'r';
+    if (ismode (mode_bits, S_IXUSR))
+        mode[3] = 'x';
+    if (ismode (mode_bits, S_IWUSR))
+        mode[2] = 'w';
+    if (ismode (mode_bits, S_IRUSR))
+        mode[1] = 'r';
+#ifdef S_ISUID
+    if (ismode (mode_bits, S_ISUID))
+        mode[3] = (mode[3] == 'x') ? 's' : 'S';
+#endif /* S_ISUID */
+#ifdef S_ISGID
+    if (ismode (mode_bits, S_ISGID))
+        mode[6] = (mode[6] == 'x') ? 's' : 'S';
+#endif /* S_ISGID */
+#ifdef S_ISVTX
+    if (ismode (mode_bits, S_ISVTX))
+        mode[9] = (mode[9] == 'x') ? 't' : 'T';
+#endif /* S_ISVTX */
+    return mode;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+extension (const char *filename)
+{
+    const char *d;
+
+    d = strrchr (filename, '.');
+
+    return d != NULL ? d + 1 : "";
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+load_mc_home_file (const char *from, const char *filename, char **allocated_filename,
+                   size_t * length)
+{
+    char *hintfile_base, *hintfile;
+    char *lang;
+    char *data;
+
+    hintfile_base = g_build_filename (from, filename, (char *) NULL);
+    lang = guess_message_value ();
+
+    hintfile = g_strconcat (hintfile_base, ".", lang, (char *) NULL);
+    if (!g_file_get_contents (hintfile, &data, length, NULL))
+    {
+        /* Fall back to the two-letter language code */
+        if (lang[0] != '\0' && lang[1] != '\0')
+            lang[2] = '\0';
+        g_free (hintfile);
+        hintfile = g_strconcat (hintfile_base, ".", lang, (char *) NULL);
+        if (!g_file_get_contents (hintfile, &data, length, NULL))
+        {
+            g_free (hintfile);
+            hintfile = hintfile_base;
+            g_file_get_contents (hintfile_base, &data, length, NULL);
+        }
+    }
+
+    g_free (lang);
+
+    if (hintfile != hintfile_base)
+        g_free (hintfile_base);
+
+    if (allocated_filename != NULL)
+        *allocated_filename = hintfile;
+    else
+        g_free (hintfile);
+
+    return data;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+extract_line (const char *s, const char *top)
+{
+    static char tmp_line[BUF_MEDIUM];
+    char *t = tmp_line;
+
+    while (*s != '\0' && *s != '\n' && (size_t) (t - tmp_line) < sizeof (tmp_line) - 1 && s < top)
+        *t++ = *s++;
+    *t = '\0';
+    return tmp_line;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * The basename routine
+ */
+
+const char *
+x_basename (const char *s)
+{
+    const char *url_delim, *path_sep;
+
+    url_delim = g_strrstr (s, VFS_PATH_URL_DELIMITER);
+    path_sep = strrchr (s, PATH_SEP);
+
+    if (path_sep == NULL)
+        return s;
+
+    if (url_delim == NULL
+        || url_delim < path_sep - strlen (VFS_PATH_URL_DELIMITER)
+        || url_delim - s + strlen (VFS_PATH_URL_DELIMITER) < strlen (s))
+    {
+        /* avoid trailing PATH_SEP, if present */
+        if (!IS_PATH_SEP (s[strlen (s) - 1]))
+            return path_sep + 1;
+
+        while (--path_sep > s && !IS_PATH_SEP (*path_sep))
+            ;
+        return (path_sep != s) ? path_sep + 1 : s;
+    }
+
+    while (--url_delim > s && !IS_PATH_SEP (*url_delim))
+        ;
+    while (--url_delim > s && !IS_PATH_SEP (*url_delim))
+        ;
+
+    return url_delim == s ? s : url_delim + 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+unix_error_string (int error_num)
+{
+    static char buffer[BUF_LARGE];
+    gchar *strerror_currentlocale;
+
+    strerror_currentlocale = g_locale_from_utf8 (g_strerror (error_num), -1, NULL, NULL, NULL);
+    g_snprintf (buffer, sizeof (buffer), "%s (%d)", strerror_currentlocale, error_num);
+    g_free (strerror_currentlocale);
+
+    return buffer;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+skip_separators (const char *s)
+{
+    const char *su = s;
+
+    for (; *su != '\0'; str_cnext_char (&su))
+        if (!whitespace (*su) && *su != ',')
+            break;
+
+    return su;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+skip_numbers (const char *s)
+{
+    const char *su = s;
+
+    for (; *su != '\0'; str_cnext_char (&su))
+        if (!str_isdigit (su))
+            break;
+
+    return su;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Remove all control sequences from the argument string.  We define
+ * "control sequence", in a sort of pidgin BNF, as follows:
+ *
+ * control-seq = Esc non-'['
+ *             | Esc '[' (0 or more digits or ';' or ':' or '?') (any other char)
+ *
+ * The 256-color and true-color escape sequences should allow either ';' or ':' inside as separator,
+ * actually, ':' is the more correct according to ECMA-48.
+ * Some terminal emulators (e.g. xterm, gnome-terminal) support this.
+ *
+ * Non-printable characters are also removed.
+ */
+
+char *
+strip_ctrl_codes (char *s)
+{
+    char *w;                    /* Current position where the stripped data is written */
+    char *r;                    /* Current position where the original data is read */
+
+    if (s == NULL)
+        return NULL;
+
+    for (w = s, r = s; *r != '\0';)
+    {
+        if (*r == ESC_CHAR)
+        {
+            /* Skip the control sequence's arguments */ ;
+            /* '(' need to avoid strange 'B' letter in *Suse (if mc runs under root user) */
+            if (*(++r) == '[' || *r == '(')
+            {
+                /* strchr() matches trailing binary 0 */
+                while (*(++r) != '\0' && strchr ("0123456789;:?", *r) != NULL)
+                    ;
+            }
+            else if (*r == ']')
+            {
+                /*
+                 * Skip xterm's OSC (Operating System Command)
+                 * http://www.xfree86.org/current/ctlseqs.html
+                 * OSC P s ; P t ST
+                 * OSC P s ; P t BEL
+                 */
+                char *new_r;
+
+                for (new_r = r; *new_r != '\0'; new_r++)
+                {
+                    switch (*new_r)
+                    {
+                        /* BEL */
+                    case '\a':
+                        r = new_r;
+                        goto osc_out;
+                    case ESC_CHAR:
+                        /* ST */
+                        if (new_r[1] == '\\')
+                        {
+                            r = new_r + 1;
+                            goto osc_out;
+                        }
+                        break;
+                    default:
+                        break;
+                    }
+                }
+              osc_out:
+                ;
+            }
+
+            /*
+             * Now we are at the last character of the sequence.
+             * Skip it unless it's binary 0.
+             */
+            if (*r != '\0')
+                r++;
+        }
+        else
+        {
+            char *n;
+
+            n = str_get_next_char (r);
+            if (str_isprint (r))
+            {
+                memmove (w, r, n - r);
+                w += n - r;
+            }
+            r = n;
+        }
+    }
+
+    *w = '\0';
+    return s;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+enum compression_type
+get_compression_type (int fd, const char *name)
+{
+    unsigned char magic[16];
+    size_t str_len;
+
+    /* Read the magic signature */
+    if (mc_read (fd, (char *) magic, 4) != 4)
+        return COMPRESSION_NONE;
+
+    /* GZIP_MAGIC and OLD_GZIP_MAGIC */
+    if (magic[0] == 0x1F && (magic[1] == 0x8B || magic[1] == 0x9E))
+        return COMPRESSION_GZIP;
+
+    /* PKZIP_MAGIC */
+    if (magic[0] == 'P' && magic[1] == 'K' && magic[2] == 0x03 && magic[3] == 0x04)
+    {
+        /* Read compression type */
+        mc_lseek (fd, 8, SEEK_SET);
+        if (mc_read (fd, (char *) magic, 2) != 2)
+            return COMPRESSION_NONE;
+
+        if ((magic[0] != 8 && magic[0] != 0) || magic[1] != 0)
+            return COMPRESSION_NONE;
+
+        return COMPRESSION_ZIP;
+    }
+
+    /* PACK_MAGIC and LZH_MAGIC and compress magic */
+    if (magic[0] == 0x1F && (magic[1] == 0x1E || magic[1] == 0xA0 || magic[1] == 0x9D))
+        /* Compatible with gzip */
+        return COMPRESSION_GZIP;
+
+    /* BZIP and BZIP2 files */
+    if ((magic[0] == 'B') && (magic[1] == 'Z') && (magic[3] >= '1') && (magic[3] <= '9'))
+        switch (magic[2])
+        {
+        case '0':
+            return COMPRESSION_BZIP;
+        case 'h':
+            return COMPRESSION_BZIP2;
+        default:
+            break;
+        }
+
+    /* LZ4 format - v1.5.0 - 0x184D2204 (little endian) */
+    if (magic[0] == 0x04 && magic[1] == 0x22 && magic[2] == 0x4d && magic[3] == 0x18)
+        return COMPRESSION_LZ4;
+
+    if (mc_read (fd, (char *) magic + 4, 2) != 2)
+        return COMPRESSION_NONE;
+
+    /* LZIP files */
+    if (magic[0] == 'L'
+        && magic[1] == 'Z'
+        && magic[2] == 'I' && magic[3] == 'P' && (magic[4] == 0x00 || magic[4] == 0x01))
+        return COMPRESSION_LZIP;
+
+    /* Support for LZMA (only utils format with magic in header).
+     * This is the default format of LZMA utils 4.32.1 and later. */
+    if (magic[0] == 0xFF
+        && magic[1] == 'L'
+        && magic[2] == 'Z' && magic[3] == 'M' && magic[4] == 'A' && magic[5] == 0x00)
+        return COMPRESSION_LZMA;
+
+    /* XZ compression magic */
+    if (magic[0] == 0xFD
+        && magic[1] == 0x37
+        && magic[2] == 0x7A && magic[3] == 0x58 && magic[4] == 0x5A && magic[5] == 0x00)
+        return COMPRESSION_XZ;
+
+    if (magic[0] == 0x28 && magic[1] == 0xB5 && magic[2] == 0x2F && magic[3] == 0xFD)
+        return COMPRESSION_ZSTD;
+
+    str_len = strlen (name);
+    /* HACK: we must belive to extension of LZMA file :) ... */
+    if ((str_len > 5 && strcmp (&name[str_len - 5], ".lzma") == 0) ||
+        (str_len > 4 && strcmp (&name[str_len - 4], ".tlz") == 0))
+        return COMPRESSION_LZMA;
+
+    return COMPRESSION_NONE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+decompress_extension (int type)
+{
+    switch (type)
+    {
+    case COMPRESSION_ZIP:
+        return "/uz" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_GZIP:
+        return "/ugz" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_BZIP:
+        return "/ubz" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_BZIP2:
+        return "/ubz2" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_LZIP:
+        return "/ulz" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_LZ4:
+        return "/ulz4" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_LZMA:
+        return "/ulzma" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_XZ:
+        return "/uxz" VFS_PATH_URL_DELIMITER;
+    case COMPRESSION_ZSTD:
+        return "/uzst" VFS_PATH_URL_DELIMITER;
+    default:
+        break;
+    }
+    /* Should never reach this place */
+    fprintf (stderr, "Fatal: decompress_extension called with an unknown argument\n");
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+wipe_password (char *passwd)
+{
+    if (passwd != NULL)
+    {
+        char *p;
+
+        for (p = passwd; *p != '\0'; p++)
+            *p = '\0';
+        g_free (passwd);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Convert "\E" -> esc character and ^x to control-x key and ^^ to ^ key
+ *
+ * @param p pointer to string
+ *
+ * @return newly allocated string
+ */
+
+char *
+convert_controls (const char *p)
+{
+    char *valcopy;
+    char *q;
+
+    valcopy = g_strdup (p);
+
+    /* Parse the escape special character */
+    for (q = valcopy; *p != '\0';)
+        switch (*p)
+        {
+        case '\\':
+            p++;
+
+            if (*p == 'e' || *p == 'E')
+            {
+                p++;
+                *q++ = ESC_CHAR;
+            }
+            break;
+
+        case '^':
+            p++;
+            if (*p == '^')
+                *q++ = *p++;
+            else
+            {
+                char c;
+
+                c = *p | 0x20;
+                if (c >= 'a' && c <= 'z')
+                {
+                    *q++ = c - 'a' + 1;
+                    p++;
+                }
+                else if (*p != '\0')
+                    p++;
+            }
+            break;
+
+        default:
+            *q++ = *p++;
+        }
+
+    *q = '\0';
+    return valcopy;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Finds out a relative path from first to second, i.e. goes as many ..
+ * as needed up in first and then goes down using second
+ */
+
+char *
+diff_two_paths (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
+{
+    int j, prevlen = -1, currlen;
+    char *my_first = NULL, *my_second = NULL;
+    char *buf = NULL;
+
+    my_first = resolve_symlinks (vpath1);
+    if (my_first == NULL)
+        goto ret;
+
+    my_second = resolve_symlinks (vpath2);
+    if (my_second == NULL)
+        goto ret;
+
+    for (j = 0; j < 2; j++)
+    {
+        char *p, *q;
+        int i;
+
+        p = my_first;
+        q = my_second;
+
+        while (TRUE)
+        {
+            char *r, *s;
+            ptrdiff_t len;
+
+            r = strchr (p, PATH_SEP);
+            if (r == NULL)
+                break;
+            s = strchr (q, PATH_SEP);
+            if (s == NULL)
+                break;
+
+            len = r - p;
+            if (len != (s - q) || strncmp (p, q, (size_t) len) != 0)
+                break;
+
+            p = r + 1;
+            q = s + 1;
+        }
+        p--;
+        for (i = 0; (p = strchr (p + 1, PATH_SEP)) != NULL; i++)
+            ;
+        currlen = (i + 1) * 3 + strlen (q) + 1;
+        if (j != 0)
+        {
+            if (currlen < prevlen)
+                g_free (buf);
+            else
+                goto ret;
+        }
+        p = buf = g_malloc (currlen);
+        prevlen = currlen;
+        for (; i >= 0; i--, p += 3)
+            strcpy (p, "../");
+        strcpy (p, q);
+    }
+
+  ret:
+    g_free (my_first);
+    g_free (my_second);
+    return buf;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Append text to GList, remove all entries with the same text
+ */
+
+GList *
+list_append_unique (GList * list, char *text)
+{
+    GList *lc_link;
+
+    /*
+     * Go to the last position and traverse the list backwards
+     * starting from the second last entry to make sure that we
+     * are not removing the current link.
+     */
+    list = g_list_append (list, text);
+    list = g_list_last (list);
+    lc_link = g_list_previous (list);
+
+    while (lc_link != NULL)
+    {
+        GList *newlink;
+
+        newlink = g_list_previous (lc_link);
+        if (strcmp ((char *) lc_link->data, text) == 0)
+        {
+            GList *tmp;
+
+            g_free (lc_link->data);
+            tmp = g_list_remove_link (list, lc_link);
+            (void) tmp;
+            g_list_free_1 (lc_link);
+        }
+        lc_link = newlink;
+    }
+
+    return list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Read and restore position for the given filename.
+ * If there is no stored data, return line 1 and col 0.
+ */
+
+void
+load_file_position (const vfs_path_t * filename_vpath, long *line, long *column, off_t * offset,
+                    GArray ** bookmarks)
+{
+    char *fn;
+    FILE *f;
+    char buf[MC_MAXPATHLEN + 100];
+    const size_t len = vfs_path_len (filename_vpath);
+
+    /* defaults */
+    *line = 1;
+    *column = 0;
+    *offset = 0;
+
+    /* open file with positions */
+    fn = mc_config_get_full_path (MC_FILEPOS_FILE);
+    f = fopen (fn, "r");
+    g_free (fn);
+    if (f == NULL)
+        return;
+
+    /* prepare array for serialized bookmarks */
+    if (bookmarks != NULL)
+        *bookmarks = g_array_sized_new (FALSE, FALSE, sizeof (size_t), MAX_SAVED_BOOKMARKS);
+
+    while (fgets (buf, sizeof (buf), f) != NULL)
+    {
+        const char *p;
+        gchar **pos_tokens;
+
+        /* check if the filename matches the beginning of string */
+        if (strncmp (buf, vfs_path_as_str (filename_vpath), len) != 0)
+            continue;
+
+        /* followed by single space */
+        if (buf[len] != ' ')
+            continue;
+
+        /* and string without spaces */
+        p = &buf[len + 1];
+        if (strchr (p, ' ') != NULL)
+            continue;
+
+        pos_tokens = g_strsplit (p, ";", 3 + MAX_SAVED_BOOKMARKS);
+        if (pos_tokens[0] == NULL)
+        {
+            *line = 1;
+            *column = 0;
+            *offset = 0;
+        }
+        else
+        {
+            *line = strtol (pos_tokens[0], NULL, 10);
+            if (pos_tokens[1] == NULL)
+            {
+                *column = 0;
+                *offset = 0;
+            }
+            else
+            {
+                *column = strtol (pos_tokens[1], NULL, 10);
+                if (pos_tokens[2] == NULL)
+                    *offset = 0;
+                else if (bookmarks != NULL)
+                {
+                    size_t i;
+
+                    *offset = (off_t) g_ascii_strtoll (pos_tokens[2], NULL, 10);
+
+                    for (i = 0; i < MAX_SAVED_BOOKMARKS && pos_tokens[3 + i] != NULL; i++)
+                    {
+                        size_t val;
+
+                        val = strtoul (pos_tokens[3 + i], NULL, 10);
+                        g_array_append_val (*bookmarks, val);
+                    }
+                }
+            }
+        }
+
+        g_strfreev (pos_tokens);
+    }
+
+    fclose (f);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Save position for the given file
+ */
+
+void
+save_file_position (const vfs_path_t * filename_vpath, long line, long column, off_t offset,
+                    GArray * bookmarks)
+{
+    static size_t filepos_max_saved_entries = 0;
+    char *fn, *tmp_fn;
+    FILE *f, *tmp_f;
+    char buf[MC_MAXPATHLEN + 100];
+    size_t i;
+    const size_t len = vfs_path_len (filename_vpath);
+    gboolean src_error = FALSE;
+
+    if (filepos_max_saved_entries == 0)
+        filepos_max_saved_entries = mc_config_get_int (mc_global.main_config, CONFIG_APP_SECTION,
+                                                       "filepos_max_saved_entries", 1024);
+
+    fn = mc_config_get_full_path (MC_FILEPOS_FILE);
+    if (fn == NULL)
+        goto early_error;
+
+    mc_util_make_backup_if_possible (fn, TMP_SUFFIX);
+
+    /* open file */
+    f = fopen (fn, "w");
+    if (f == NULL)
+        goto open_target_error;
+
+    tmp_fn = g_strdup_printf ("%s" TMP_SUFFIX, fn);
+    tmp_f = fopen (tmp_fn, "r");
+    if (tmp_f == NULL)
+    {
+        src_error = TRUE;
+        goto open_source_error;
+    }
+
+    /* put the new record */
+    if (line != 1 || column != 0 || bookmarks != NULL)
+    {
+        if (fprintf
+            (f, "%s %ld;%ld;%" PRIuMAX, vfs_path_as_str (filename_vpath), line, column,
+             (uintmax_t) offset) < 0)
+            goto write_position_error;
+        if (bookmarks != NULL)
+            for (i = 0; i < bookmarks->len && i < MAX_SAVED_BOOKMARKS; i++)
+                if (fprintf (f, ";%zu", g_array_index (bookmarks, size_t, i)) < 0)
+                    goto write_position_error;
+
+        if (fprintf (f, "\n") < 0)
+            goto write_position_error;
+    }
+
+    i = 1;
+    while (fgets (buf, sizeof (buf), tmp_f) != NULL)
+    {
+        if (buf[len] == ' ' && strncmp (buf, vfs_path_as_str (filename_vpath), len) == 0
+            && strchr (&buf[len + 1], ' ') == NULL)
+            continue;
+
+        fprintf (f, "%s", buf);
+        if (++i > filepos_max_saved_entries)
+            break;
+    }
+
+  write_position_error:
+    fclose (tmp_f);
+  open_source_error:
+    g_free (tmp_fn);
+    fclose (f);
+    if (src_error)
+        mc_util_restore_from_backup_if_possible (fn, TMP_SUFFIX);
+    else
+        mc_util_unlink_backup_if_possible (fn, TMP_SUFFIX);
+  open_target_error:
+    g_free (fn);
+  early_error:
+    if (bookmarks != NULL)
+        g_array_free (bookmarks, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+extern int
+ascii_alpha_to_cntrl (int ch)
+{
+    if ((ch >= ASCII_A && ch <= ASCII_Z) || (ch >= ASCII_a && ch <= ASCII_z))
+        ch &= 0x1f;
+
+    return ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+Q_ (const char *s)
+{
+    const char *result, *sep;
+
+    result = _(s);
+    sep = strchr (result, '|');
+
+    return sep != NULL ? sep + 1 : result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_util_make_backup_if_possible (const char *file_name, const char *backup_suffix)
+{
+    struct stat stat_buf;
+    char *backup_path;
+    gboolean ret;
+
+    if (!exist_file (file_name))
+        return FALSE;
+
+    backup_path = g_strdup_printf ("%s%s", file_name, backup_suffix);
+    if (backup_path == NULL)
+        return FALSE;
+
+    ret = mc_util_write_backup_content (file_name, backup_path);
+    if (ret)
+    {
+        /* Backup file will have same ownership with main file. */
+        if (stat (file_name, &stat_buf) == 0)
+            chmod (backup_path, stat_buf.st_mode);
+        else
+            chmod (backup_path, S_IRUSR | S_IWUSR);
+    }
+
+    g_free (backup_path);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_util_restore_from_backup_if_possible (const char *file_name, const char *backup_suffix)
+{
+    gboolean ret;
+    char *backup_path;
+
+    backup_path = g_strdup_printf ("%s%s", file_name, backup_suffix);
+    if (backup_path == NULL)
+        return FALSE;
+
+    ret = mc_util_write_backup_content (backup_path, file_name);
+    g_free (backup_path);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_util_unlink_backup_if_possible (const char *file_name, const char *backup_suffix)
+{
+    char *backup_path;
+
+    backup_path = g_strdup_printf ("%s%s", file_name, backup_suffix);
+    if (backup_path == NULL)
+        return FALSE;
+
+    if (exist_file (backup_path))
+    {
+        vfs_path_t *vpath;
+
+        vpath = vfs_path_from_str (backup_path);
+        mc_unlink (vpath);
+        vfs_path_free (vpath, TRUE);
+    }
+
+    g_free (backup_path);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * partly taken from dcigettext.c, returns "" for default locale
+ * value should be freed by calling function g_free()
+ */
+
+char *
+guess_message_value (void)
+{
+    static const char *const var[] = {
+        /* Setting of LC_ALL overwrites all other.  */
+        /* Do not use LANGUAGE for check user locale and drowing hints */
+        "LC_ALL",
+        /* Next comes the name of the desired category.  */
+        "LC_MESSAGES",
+        /* Last possibility is the LANG environment variable.  */
+        "LANG",
+        /* NULL exit loops */
+        NULL
+    };
+
+    size_t i;
+    const char *locale = NULL;
+
+    for (i = 0; var[i] != NULL; i++)
+    {
+        locale = getenv (var[i]);
+        if (locale != NULL && locale[0] != '\0')
+            break;
+    }
+
+    if (locale == NULL)
+        locale = "";
+
+    return g_strdup (locale);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * The "profile root" is the tree under which all of MC's user data &
+ * settings are stored.
+ *
+ * It defaults to the user's home dir. The user may override this default
+ * with the environment variable $MC_PROFILE_ROOT.
+ */
+const char *
+mc_get_profile_root (void)
+{
+    static const char *profile_root = NULL;
+
+    if (profile_root == NULL)
+    {
+        profile_root = g_getenv ("MC_PROFILE_ROOT");
+        if (profile_root == NULL || *profile_root == '\0')
+            profile_root = mc_config_get_home_dir ();
+    }
+
+    return profile_root;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Propagate error in simple way.
+ *
+ * @param dest error return location
+ * @param code error code
+ * @param format printf()-style format for error message
+ * @param ... parameters for message format
+ */
+
+void
+mc_propagate_error (GError ** dest, int code, const char *format, ...)
+{
+    if (dest != NULL && *dest == NULL)
+    {
+        GError *tmp_error;
+        va_list args;
+
+        va_start (args, format);
+        tmp_error = g_error_new_valist (MC_ERROR, code, format, args);
+        va_end (args);
+
+        g_propagate_error (dest, tmp_error);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Replace existing error in simple way.
+ *
+ * @param dest error return location
+ * @param code error code
+ * @param format printf()-style format for error message
+ * @param ... parameters for message format
+ */
+
+void
+mc_replace_error (GError ** dest, int code, const char *format, ...)
+{
+    if (dest != NULL)
+    {
+        GError *tmp_error;
+        va_list args;
+
+        va_start (args, format);
+        tmp_error = g_error_new_valist (MC_ERROR, code, format, args);
+        va_end (args);
+
+        g_error_free (*dest);
+        *dest = NULL;
+        g_propagate_error (dest, tmp_error);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Returns if the given duration has elapsed since the given timestamp,
+ * and if it has then updates the timestamp.
+ *
+ * @param timestamp the last timestamp in microseconds, updated if the given time elapsed
+ * @param delay amount of time in microseconds
+
+ * @return TRUE if clock skew detected, FALSE otherwise
+ */
+gboolean
+mc_time_elapsed (gint64 * timestamp, gint64 delay)
+{
+    gint64 now;
+
+    now = g_get_monotonic_time ();
+
+    if (now >= *timestamp && now < *timestamp + delay)
+        return FALSE;
+
+    *timestamp = now;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/util.h b/lib/util.h
new file mode 100644
index 0000000..921cc10
--- /dev/null
+++ b/lib/util.h
@@ -0,0 +1,296 @@
+/** \file lib/util.h
+ *  \brief Header: various utilities
+ */
+
+#ifndef MC_UTIL_H
+#define MC_UTIL_H
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <inttypes.h>           /* uintmax_t */
+#include <unistd.h>
+
+#include "lib/global.h"         /* include <glib.h> */
+
+#include "lib/vfs/vfs.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#ifndef MAXSYMLINKS
+#define MAXSYMLINKS 32
+#endif
+
+#define MAX_SAVED_BOOKMARKS 10
+
+#define MC_PTR_FREE(ptr) do { g_free (ptr); (ptr) = NULL; } while (0)
+
+#define mc_return_if_error(mcerror) do { if (mcerror != NULL && *mcerror != NULL) return; } while (0)
+#define mc_return_val_if_error(mcerror, mcvalue) do { if (mcerror != NULL && *mcerror != NULL) return mcvalue; } while (0)
+
+#define whitespace(c) ((c) == ' ' || (c) == '\t')
+#define whiteness(c) (whitespace (c) || (c) == '\n')
+
+#define MC_PIPE_BUFSIZE BUF_8K
+#define MC_PIPE_STREAM_EOF 0
+#define MC_PIPE_STREAM_UNREAD -1
+#define MC_PIPE_ERROR_CREATE_PIPE -2
+#define MC_PIPE_ERROR_PARSE_COMMAND -3
+#define MC_PIPE_ERROR_CREATE_PIPE_STREAM -4
+#define MC_PIPE_ERROR_READ -5
+
+/* gnulib efa15594e17fc20827dba66414fb391e99905394
+
+ *_GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2.
+ *  It returns
+ *    1  if n1 > n2
+ *    0  if n1 == n2
+ *    -1 if n1 < n2
+ *  The native code   (n1 > n2 ? 1 : n1 < n2 ? -1 : 0)  produces a conditional
+ *  jump with nearly all GCC versions up to GCC 10.
+ *  This variant      (n1 < n2 ? -1 : n1 > n2)  produces a conditional with many
+ *  GCC versions up to GCC 9.
+ *  The better code  (n1 > n2) - (n1 < n2)  from Hacker's Delight para 2-9
+ *  avoids conditional jumps in all GCC versions >= 3.4.
+ */
+#define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2)))
+
+/* Difference or zero */
+#define DOZ(a, b) ((a) > (b) ? (a) - (b) : 0)
+
+/*** enums ***************************************************************************************/
+
+/* Pathname canonicalization */
+/* *INDENT-OFF* */
+typedef enum
+{
+    CANON_PATH_NOCHANGE = 0,
+    CANON_PATH_JOINSLASHES = 1L << 0,   /**< Multiple '/'s are collapsed to a single '/' */
+    CANON_PATH_REMSLASHDOTS = 1L << 1,  /**< Leading './'s, '/'s and trailing '/.'s are removed */
+    CANON_PATH_REMDOUBLEDOTS = 1L << 3, /**< Non-leading '../'s and trailing '..'s are handled by removing
+                                             portions of the path */
+    CANON_PATH_GUARDUNC = 1L << 4,      /**< Detect and preserve UNC paths: //server/... */
+    CANON_PATH_ALL = CANON_PATH_JOINSLASHES | CANON_PATH_REMSLASHDOTS
+                   | CANON_PATH_REMDOUBLEDOTS | CANON_PATH_GUARDUNC  /**< All flags */
+} canon_path_flags_t;
+/* *INDENT-ON* */
+
+enum compression_type
+{
+    COMPRESSION_NONE,
+    COMPRESSION_ZIP,
+    COMPRESSION_GZIP,
+    COMPRESSION_BZIP,
+    COMPRESSION_BZIP2,
+    COMPRESSION_LZIP,
+    COMPRESSION_LZ4,
+    COMPRESSION_LZMA,
+    COMPRESSION_XZ,
+    COMPRESSION_ZSTD,
+};
+
+/* stdout or stderr stream of child process */
+typedef struct
+{
+    /* file descriptor */
+    int fd;
+    /* data read from fd */
+    char buf[MC_PIPE_BUFSIZE];
+    /* current position in @buf (used by mc_pstream_get_string()) */
+    size_t pos;
+    /* positive: length of data in buf;
+     * MC_PIPE_STREAM_EOF: EOF of fd;
+     * MC_PIPE_STREAM_UNREAD: there was not read from fd;
+     * MC_PIPE_ERROR_READ: reading error from fd.
+     */
+    ssize_t len;
+    /* whether buf is null-terminated or not */
+    gboolean null_term;
+    /* error code in case of len == MC_PIPE_ERROR_READ */
+    int error;
+} mc_pipe_stream_t;
+
+/* Pipe descriptor for child process */
+typedef struct
+{
+    /* PID of child process */
+    GPid child_pid;
+    /* stdout of child process */
+    mc_pipe_stream_t out;
+    /* stderr of child process */
+    mc_pipe_stream_t err;
+} mc_pipe_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* keys are set only during sorting */
+typedef struct
+{
+    /* File attributes */
+    GString *fname;
+    struct stat st;
+    /* key used for comparing names */
+    char *sort_key;
+    /* key used for comparing extensions */
+    char *second_sort_key;
+
+    /* Flags */
+    struct
+    {
+        unsigned int marked:1;  /* File marked in pane window */
+        unsigned int link_to_dir:1;     /* If this is a link, does it point to directory? */
+        unsigned int stale_link:1;      /* If this is a symlink and points to Charon's land */
+        unsigned int dir_size_computed:1;       /* Size of directory was computed with dirsizes_cmd */
+    } f;
+} file_entry_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern struct sigaction startup_handler;
+
+/*** declarations of public functions ************************************************************/
+
+int is_printable (int c);
+
+/* Quote the filename for the purpose of inserting it into the command
+ * line.  If quote_percent is 1, replace "%" with "%%" - the percent is
+ * processed by the mc command line. */
+char *name_quote (const char *c, gboolean quote_percent);
+
+/* returns a duplicate of c. */
+char *fake_name_quote (const char *c, gboolean quote_percent);
+
+/* path_trunc() is the same as str_trunc() but
+ * it deletes possible password from path for security
+ * reasons. */
+const char *path_trunc (const char *path, size_t trunc_len);
+
+/* return a static string representing size, appending "K" or "M" for
+ * big sizes.
+ * NOTE: uses the same static buffer as size_trunc_sep. */
+const char *size_trunc (uintmax_t size, gboolean use_si);
+
+/* return a static string representing size, appending "K" or "M" for
+ * big sizes. Separates every three digits by ",".
+ * NOTE: uses the same static buffer as size_trunc. */
+const char *size_trunc_sep (uintmax_t size, gboolean use_si);
+
+/* Print file SIZE to BUFFER, but don't exceed LEN characters,
+ * not including trailing 0. BUFFER should be at least LEN+1 long.
+ *
+ * Units: size units (0=bytes, 1=Kbytes, 2=Mbytes, etc.) */
+void size_trunc_len (char *buffer, unsigned int len, uintmax_t size, int units, gboolean use_si);
+const char *string_perm (mode_t mode_bits);
+
+const char *extension (const char *);
+const char *unix_error_string (int error_num);
+const char *skip_separators (const char *s);
+const char *skip_numbers (const char *s);
+char *strip_ctrl_codes (char *s);
+
+/* Replaces "\\E" and "\\e" with "\033". Replaces "^" + [a-z] with
+ * ((char) 1 + (c - 'a')). The same goes for "^" + [A-Z].
+ * Returns a newly allocated string. */
+char *convert_controls (const char *s);
+
+/* overwrites passwd with '\0's and frees it. */
+void wipe_password (char *passwd);
+
+char *diff_two_paths (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+
+/* Returns the basename of fname. The result is a pointer into fname. */
+const char *x_basename (const char *fname);
+
+char *load_mc_home_file (const char *from, const char *filename, char **allocated_filename,
+                         size_t * length);
+
+/* uid/gid managing */
+void init_groups (void);
+void destroy_groups (void);
+int get_user_permissions (struct stat *buf);
+
+void init_uid_gid_cache (void);
+const char *get_group (gid_t gid);
+const char *get_owner (uid_t uid);
+
+/* Returns a copy of *s until a \n is found and is below top */
+const char *extract_line (const char *s, const char *top);
+
+/* Process spawning */
+int my_system (int flags, const char *shell, const char *command);
+int my_systeml (int flags, const char *shell, ...);
+int my_systemv (const char *command, char *const argv[]);
+int my_systemv_flags (int flags, const char *command, char *const argv[]);
+
+mc_pipe_t *mc_popen (const char *command, gboolean read_out, gboolean read_err, GError ** error);
+void mc_pread (mc_pipe_t * p, GError ** error);
+void mc_pclose (mc_pipe_t * p, GError ** error);
+
+GString *mc_pstream_get_string (mc_pipe_stream_t * ps);
+
+void my_exit (int status);
+void save_stop_handler (void);
+
+/* Tilde expansion */
+char *tilde_expand (const char *directory);
+
+void canonicalize_pathname_custom (char *path, canon_path_flags_t flags);
+void canonicalize_pathname (char *path);
+
+char *mc_realpath (const char *path, char *resolved_path);
+
+/* Looks for "magic" bytes at the start of the VFS file to guess the
+ * compression type. Side effect: modifies the file position. */
+enum compression_type get_compression_type (int fd, const char *name);
+const char *decompress_extension (int type);
+
+GList *list_append_unique (GList * list, char *text);
+
+/* Position saving and restoring */
+/* Load position for the given filename */
+void load_file_position (const vfs_path_t * filename_vpath, long *line, long *column,
+                         off_t * offset, GArray ** bookmarks);
+/* Save position for the given filename */
+void save_file_position (const vfs_path_t * filename_vpath, long line, long column, off_t offset,
+                         GArray * bookmarks);
+
+
+/* if ch is in [A-Za-z], returns the corresponding control character,
+ * else returns the argument. */
+extern int ascii_alpha_to_cntrl (int ch);
+
+#undef Q_
+const char *Q_ (const char *s);
+
+gboolean mc_util_make_backup_if_possible (const char *file_name, const char *backup_suffix);
+gboolean mc_util_restore_from_backup_if_possible (const char *file_name, const char *backup_suffix);
+gboolean mc_util_unlink_backup_if_possible (const char *file_name, const char *backup_suffix);
+
+char *guess_message_value (void);
+
+char *mc_build_filename (const char *first_element, ...);
+char *mc_build_filenamev (const char *first_element, va_list args);
+
+const char *mc_get_profile_root (void);
+
+/* *INDENT-OFF* */
+void mc_propagate_error (GError ** dest, int code, const char *format, ...) G_GNUC_PRINTF (3, 4);
+void mc_replace_error (GError ** dest, int code, const char *format, ...) G_GNUC_PRINTF (3, 4);
+/* *INDENT-ON* */
+
+gboolean mc_time_elapsed (gint64 * timestamp, gint64 delay);
+
+/*** inline functions **************************************************/
+
+static inline gboolean
+exist_file (const char *name)
+{
+    return (access (name, R_OK) == 0);
+}
+
+static inline gboolean
+is_exe (mode_t mode)
+{
+    return ((mode & (S_IXUSR | S_IXGRP | S_IXOTH)) != 0);
+}
+
+#endif /* MC_UTIL_H */
diff --git a/lib/utilunix.c b/lib/utilunix.c
new file mode 100644
index 0000000..f580591
--- /dev/null
+++ b/lib/utilunix.c
@@ -0,0 +1,1312 @@
+/*
+   Various utilities - Unix variants
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1994, 1995, 1996
+   Janne Kukonlehto, 1994, 1995, 1996
+   Dugan Porter, 1994, 1995, 1996
+   Jakub Jelinek, 1994, 1995, 1996
+   Mauricio Plaza, 1994, 1995, 1996
+   Andrew Borodin <aborodin@vmail.ru> 2010-2022
+
+   The mc_realpath routine is mostly from uClibc package, written
+   by Rick Sladkey <jrs@world.std.com>
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file utilunix.c
+ *  \brief Source: various utilities - Unix variant
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#include <sys/wait.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include "lib/global.h"
+
+#include "lib/unixcompat.h"
+#include "lib/vfs/vfs.h"        /* VFS_ENCODING_PREFIX */
+#include "lib/strutil.h"        /* str_move() */
+#include "lib/util.h"
+#include "lib/widget.h"         /* message() */
+#include "lib/vfs/xdirentry.h"
+
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "utilunix.h"
+
+/*** global variables ****************************************************************************/
+
+struct sigaction startup_handler;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define UID_CACHE_SIZE 200
+#define GID_CACHE_SIZE 30
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    int index;
+    char *string;
+} int_cache;
+
+typedef enum
+{
+    FORK_ERROR = -1,
+    FORK_CHILD,
+    FORK_PARENT,
+} my_fork_state_t;
+
+typedef struct
+{
+    struct sigaction intr;
+    struct sigaction quit;
+    struct sigaction stop;
+} my_system_sigactions_t;
+
+/*** file scope variables ************************************************************************/
+
+static int_cache uid_cache[UID_CACHE_SIZE];
+static int_cache gid_cache[GID_CACHE_SIZE];
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+i_cache_match (int id, int_cache * cache, int size)
+{
+    int i;
+
+    for (i = 0; i < size; i++)
+        if (cache[i].index == id)
+            return cache[i].string;
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+i_cache_add (int id, int_cache * cache, int size, char *text, int *last)
+{
+    g_free (cache[*last].string);
+    cache[*last].string = g_strdup (text);
+    cache[*last].index = id;
+    *last = ((*last) + 1) % size;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static my_fork_state_t
+my_fork (void)
+{
+    pid_t pid;
+
+    pid = fork ();
+
+    if (pid < 0)
+    {
+        fprintf (stderr, "\n\nfork () = -1\n");
+        return FORK_ERROR;
+    }
+
+    if (pid == 0)
+        return FORK_CHILD;
+
+    while (TRUE)
+    {
+        int status = 0;
+
+        if (waitpid (pid, &status, 0) > 0)
+            return WEXITSTATUS (status) == 0 ? FORK_PARENT : FORK_ERROR;
+
+        if (errno != EINTR)
+            return FORK_ERROR;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+my_system__save_sigaction_handlers (my_system_sigactions_t * sigactions)
+{
+    struct sigaction ignore;
+
+    memset (&ignore, 0, sizeof (ignore));
+    ignore.sa_handler = SIG_IGN;
+    sigemptyset (&ignore.sa_mask);
+
+    sigaction (SIGINT, &ignore, &sigactions->intr);
+    sigaction (SIGQUIT, &ignore, &sigactions->quit);
+
+    /* Restore the original SIGTSTP handler, we don't want ncurses' */
+    /* handler messing the screen after the SIGCONT */
+    sigaction (SIGTSTP, &startup_handler, &sigactions->stop);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+my_system__restore_sigaction_handlers (my_system_sigactions_t * sigactions)
+{
+    sigaction (SIGINT, &sigactions->intr, NULL);
+    sigaction (SIGQUIT, &sigactions->quit, NULL);
+    sigaction (SIGTSTP, &sigactions->stop, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GPtrArray *
+my_system_make_arg_array (int flags, const char *shell, char **execute_name)
+{
+    GPtrArray *args_array;
+
+    args_array = g_ptr_array_new ();
+
+    if ((flags & EXECUTE_AS_SHELL) != 0)
+    {
+        g_ptr_array_add (args_array, (gpointer) shell);
+        g_ptr_array_add (args_array, (gpointer) "-c");
+        *execute_name = g_strdup (shell);
+    }
+    else
+    {
+        char *shell_token;
+
+        shell_token = shell != NULL ? strchr (shell, ' ') : NULL;
+        if (shell_token == NULL)
+            *execute_name = g_strdup (shell);
+        else
+            *execute_name = g_strndup (shell, (gsize) (shell_token - shell));
+
+        g_ptr_array_add (args_array, (gpointer) shell);
+    }
+    return args_array;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_pread_stream (mc_pipe_stream_t * ps, const fd_set * fds)
+{
+    size_t buf_len;
+    ssize_t read_len;
+
+    if (!FD_ISSET (ps->fd, fds))
+    {
+        ps->len = MC_PIPE_STREAM_UNREAD;
+        return;
+    }
+
+    buf_len = (size_t) ps->len;
+
+    if (buf_len >= MC_PIPE_BUFSIZE)
+        buf_len = ps->null_term ? MC_PIPE_BUFSIZE - 1 : MC_PIPE_BUFSIZE;
+
+    do
+    {
+        read_len = read (ps->fd, ps->buf, buf_len);
+    }
+    while (read_len < 0 && errno == EINTR);
+
+    if (read_len < 0)
+    {
+        /* reading error */
+        ps->len = MC_PIPE_ERROR_READ;
+        ps->error = errno;
+    }
+    else if (read_len == 0)
+        /* EOF */
+        ps->len = MC_PIPE_STREAM_EOF;
+    else
+    {
+        /* success */
+        ps->len = read_len;
+
+        if (ps->null_term)
+            ps->buf[(size_t) ps->len] = '\0';
+    }
+
+    ps->pos = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+get_owner (uid_t uid)
+{
+    struct passwd *pwd;
+    char *name;
+    static uid_t uid_last;
+
+    name = i_cache_match ((int) uid, uid_cache, UID_CACHE_SIZE);
+    if (name != NULL)
+        return name;
+
+    pwd = getpwuid (uid);
+    if (pwd != NULL)
+    {
+        i_cache_add ((int) uid, uid_cache, UID_CACHE_SIZE, pwd->pw_name, (int *) &uid_last);
+        return pwd->pw_name;
+    }
+    else
+    {
+        static char ibuf[10];
+
+        g_snprintf (ibuf, sizeof (ibuf), "%d", (int) uid);
+        return ibuf;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+get_group (gid_t gid)
+{
+    struct group *grp;
+    char *name;
+    static gid_t gid_last;
+
+    name = i_cache_match ((int) gid, gid_cache, GID_CACHE_SIZE);
+    if (name != NULL)
+        return name;
+
+    grp = getgrgid (gid);
+    if (grp != NULL)
+    {
+        i_cache_add ((int) gid, gid_cache, GID_CACHE_SIZE, grp->gr_name, (int *) &gid_last);
+        return grp->gr_name;
+    }
+    else
+    {
+        static char gbuf[10];
+
+        g_snprintf (gbuf, sizeof (gbuf), "%d", (int) gid);
+        return gbuf;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Since ncurses uses a handler that automatically refreshes the */
+/* screen after a SIGCONT, and we don't want this behavior when */
+/* spawning a child, we save the original handler here */
+
+void
+save_stop_handler (void)
+{
+    sigaction (SIGTSTP, NULL, &startup_handler);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Wrapper for _exit() system call.
+ * The _exit() function has gcc's attribute 'noreturn', and this is reason why we can't
+ * mock the call.
+ *
+ * @param status exit code
+ */
+
+void
+/* __attribute__ ((noreturn)) */
+my_exit (int status)
+{
+    _exit (status);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Call external programs.
+ *
+ * @parameter flags   addition conditions for running external programs.
+ * @parameter shell   shell (if flags contain EXECUTE_AS_SHELL), command to run otherwise.
+ *                    Shell (or command) will be found in paths described in PATH variable
+ *                    (if shell parameter doesn't begin from path delimiter)
+ * @parameter command Command for shell (or first parameter for command, if flags contain EXECUTE_AS_SHELL)
+ * @return 0 if successfull, -1 otherwise
+ */
+
+int
+my_system (int flags, const char *shell, const char *command)
+{
+    return my_systeml (flags, shell, command, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Call external programs with various parameters number.
+ *
+ * @parameter flags addition conditions for running external programs.
+ * @parameter shell shell (if flags contain EXECUTE_AS_SHELL), command to run otherwise.
+ *                  Shell (or command) will be found in pathes described in PATH variable
+ *                  (if shell parameter doesn't begin from path delimiter)
+ * @parameter ...   Command for shell with addition parameters for shell
+ *                  (or parameters for command, if flags contain EXECUTE_AS_SHELL).
+ *                  Should be NULL terminated.
+ * @return 0 if successfull, -1 otherwise
+ */
+
+int
+my_systeml (int flags, const char *shell, ...)
+{
+    GPtrArray *args_array;
+    int status = 0;
+    va_list vargs;
+    char *one_arg;
+
+    args_array = g_ptr_array_new ();
+
+    va_start (vargs, shell);
+    while ((one_arg = va_arg (vargs, char *)) != NULL)
+          g_ptr_array_add (args_array, one_arg);
+    va_end (vargs);
+
+    g_ptr_array_add (args_array, NULL);
+    status = my_systemv_flags (flags, shell, (char *const *) args_array->pdata);
+
+    g_ptr_array_free (args_array, TRUE);
+
+    return status;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Call external programs with array of strings as parameters.
+ *
+ * @parameter command command to run. Command will be found in paths described in PATH variable
+ *                    (if command parameter doesn't begin from path delimiter)
+ * @parameter argv    Array of strings (NULL-terminated) with parameters for command
+ * @return 0 if successfull, -1 otherwise
+ */
+
+int
+my_systemv (const char *command, char *const argv[])
+{
+    my_fork_state_t fork_state;
+    int status = 0;
+    my_system_sigactions_t sigactions;
+
+    my_system__save_sigaction_handlers (&sigactions);
+
+    fork_state = my_fork ();
+    switch (fork_state)
+    {
+    case FORK_ERROR:
+        status = -1;
+        break;
+    case FORK_CHILD:
+        {
+            signal (SIGINT, SIG_DFL);
+            signal (SIGQUIT, SIG_DFL);
+            signal (SIGTSTP, SIG_DFL);
+            signal (SIGCHLD, SIG_DFL);
+
+            execvp (command, argv);
+            my_exit (127);      /* Exec error */
+        }
+        MC_FALLTHROUGH;
+        /* no break here, or unreachable-code warning by no returning my_exit() */
+    default:
+        status = 0;
+        break;
+    }
+    my_system__restore_sigaction_handlers (&sigactions);
+
+    return status;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Call external programs with flags and with array of strings as parameters.
+ *
+ * @parameter flags   addition conditions for running external programs.
+ * @parameter command shell (if flags contain EXECUTE_AS_SHELL), command to run otherwise.
+ *                    Shell (or command) will be found in paths described in PATH variable
+ *                    (if shell parameter doesn't begin from path delimiter)
+ * @parameter argv    Array of strings (NULL-terminated) with parameters for command
+ * @return 0 if successfull, -1 otherwise
+ */
+
+int
+my_systemv_flags (int flags, const char *command, char *const argv[])
+{
+    char *execute_name = NULL;
+    GPtrArray *args_array;
+    int status = 0;
+
+    args_array = my_system_make_arg_array (flags, command, &execute_name);
+
+    for (; argv != NULL && *argv != NULL; argv++)
+        g_ptr_array_add (args_array, *argv);
+
+    g_ptr_array_add (args_array, NULL);
+    status = my_systemv (execute_name, (char *const *) args_array->pdata);
+
+    g_free (execute_name);
+    g_ptr_array_free (args_array, TRUE);
+
+    return status;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create pipe and run child process.
+ *
+ * @parameter command command line of child process
+ * @parameter read_out do or don't read the stdout of child process
+ * @parameter read_err do or don't read the stderr of child process
+ * @paremeter error contains pointer to object to handle error code and message
+ *
+ * @return newly created object of mc_pipe_t class in success, NULL otherwise
+ */
+
+mc_pipe_t *
+mc_popen (const char *command, gboolean read_out, gboolean read_err, GError ** error)
+{
+    mc_pipe_t *p;
+    const char *const argv[] = { "/bin/sh", "sh", "-c", command, NULL };
+
+    p = g_try_new (mc_pipe_t, 1);
+    if (p == NULL)
+    {
+        mc_replace_error (error, MC_PIPE_ERROR_CREATE_PIPE, "%s",
+                          _("Cannot create pipe descriptor"));
+        goto ret_err;
+    }
+
+    p->out.fd = -1;
+    p->err.fd = -1;
+
+    if (!g_spawn_async_with_pipes
+        (NULL, (gchar **) argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_FILE_AND_ARGV_ZERO, NULL,
+         NULL, &p->child_pid, NULL, read_out ? &p->out.fd : NULL, read_err ? &p->err.fd : NULL,
+         error))
+    {
+        mc_replace_error (error, MC_PIPE_ERROR_CREATE_PIPE_STREAM, "%s",
+                          _("Cannot create pipe streams"));
+        goto ret_err;
+    }
+
+    p->out.buf[0] = '\0';
+    p->out.len = MC_PIPE_BUFSIZE;
+    p->out.null_term = FALSE;
+
+    p->err.buf[0] = '\0';
+    p->err.len = MC_PIPE_BUFSIZE;
+    p->err.null_term = FALSE;
+
+    return p;
+
+  ret_err:
+    g_free (p);
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Read stdout and stderr of pipe asynchronously.
+ *
+ * @parameter p pipe descriptor
+ *
+ * The lengths of read data contain in p->out.len and p->err.len.
+ *
+ * Before read, p->xxx.len is an input. It defines the number of data to read.
+ * Should not be greater than MC_PIPE_BUFSIZE.
+ *
+ * After read, p->xxx.len is an output and contains the following:
+ *   p->xxx.len > 0: an actual length of read data stored in p->xxx.buf;
+ *   p->xxx.len == MC_PIPE_STREAM_EOF: EOF of stream p->xxx;
+ *   p->xxx.len == MC_PIPE_STREAM_UNREAD: stream p->xxx was not read;
+ *   p->xxx.len == MC_PIPE_ERROR_READ: reading error, and p->xxx.errno is set appropriately.
+ *
+ * @paremeter error contains pointer to object to handle error code and message
+ */
+
+void
+mc_pread (mc_pipe_t * p, GError ** error)
+{
+    gboolean read_out, read_err;
+    fd_set fds;
+    int maxfd = 0;
+    int res;
+
+    if (error != NULL)
+        *error = NULL;
+
+    read_out = p->out.fd >= 0;
+    read_err = p->err.fd >= 0;
+
+    if (!read_out && !read_err)
+    {
+        p->out.len = MC_PIPE_STREAM_UNREAD;
+        p->err.len = MC_PIPE_STREAM_UNREAD;
+        return;
+    }
+
+    FD_ZERO (&fds);
+    if (read_out)
+    {
+        FD_SET (p->out.fd, &fds);
+        maxfd = p->out.fd;
+    }
+
+    if (read_err)
+    {
+        FD_SET (p->err.fd, &fds);
+        maxfd = MAX (maxfd, p->err.fd);
+    }
+
+    /* no timeout */
+    res = select (maxfd + 1, &fds, NULL, NULL, NULL);
+    if (res < 0 && errno != EINTR)
+    {
+        mc_propagate_error (error, MC_PIPE_ERROR_READ,
+                            _
+                            ("Unexpected error in select() reading data from a child process:\n%s"),
+                            unix_error_string (errno));
+        return;
+    }
+
+    if (read_out)
+        mc_pread_stream (&p->out, &fds);
+    else
+        p->out.len = MC_PIPE_STREAM_UNREAD;
+
+    if (read_err)
+        mc_pread_stream (&p->err, &fds);
+    else
+        p->err.len = MC_PIPE_STREAM_UNREAD;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Reads a line from @stream. Reading stops after an EOL or a newline. If a newline is read,
+ * it is appended to the line.
+ *
+ * @stream mc_pipe_stream_t object
+ *
+ * @return newly created GString or NULL in case of EOL;
+ */
+
+GString *
+mc_pstream_get_string (mc_pipe_stream_t * ps)
+{
+    char *s;
+    size_t size, i;
+    gboolean escape = FALSE;
+
+    g_return_val_if_fail (ps != NULL, NULL);
+
+    if (ps->len < 0)
+        return NULL;
+
+    size = ps->len - ps->pos;
+
+    if (size == 0)
+        return NULL;
+
+    s = ps->buf + ps->pos;
+
+    if (s[0] == '\0')
+        return NULL;
+
+    /* find '\0' or unescaped '\n' */
+    for (i = 0; i < size && !(s[i] == '\0' || (s[i] == '\n' && !escape)); i++)
+        escape = s[i] == '\\' ? !escape : FALSE;
+
+    if (i != size && s[i] == '\n')
+        i++;
+
+    ps->pos += i;
+
+    return g_string_new_len (s, i);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Close pipe and destroy pipe descriptor.
+ *
+ * @paremeter p pipe descriptor
+ * @paremeter error contains pointer to object to handle error code and message
+ */
+
+void
+mc_pclose (mc_pipe_t * p, GError ** error)
+{
+    int res;
+
+    if (p == NULL)
+    {
+        mc_replace_error (error, MC_PIPE_ERROR_READ, "%s",
+                          _("Cannot close pipe descriptor (p == NULL)"));
+        return;
+    }
+
+    if (p->out.fd >= 0)
+        res = close (p->out.fd);
+    if (p->err.fd >= 0)
+        res = close (p->err.fd);
+
+    do
+    {
+        int status;
+
+        res = waitpid (p->child_pid, &status, 0);
+    }
+    while (res < 0 && errno == EINTR);
+
+    if (res < 0)
+        mc_replace_error (error, MC_PIPE_ERROR_READ, _("Unexpected error in waitpid():\n%s"),
+                          unix_error_string (errno));
+
+    g_free (p);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Perform tilde expansion if possible.
+ *
+ * @param directory pointer to the path
+ *
+ * @return newly allocated string, even if it's unchanged.
+ */
+
+char *
+tilde_expand (const char *directory)
+{
+    struct passwd *passwd;
+    const char *p, *q;
+
+    if (*directory != '~')
+        return g_strdup (directory);
+
+    p = directory + 1;
+
+    /* d = "~" or d = "~/" */
+    if (*p == '\0' || IS_PATH_SEP (*p))
+    {
+        passwd = getpwuid (geteuid ());
+        q = IS_PATH_SEP (*p) ? p + 1 : "";
+    }
+    else
+    {
+        q = strchr (p, PATH_SEP);
+        if (q == NULL)
+            passwd = getpwnam (p);
+        else
+        {
+            char *name;
+
+            name = g_strndup (p, q - p);
+            passwd = getpwnam (name);
+            q++;
+            g_free (name);
+        }
+    }
+
+    /* If we can't figure the user name, leave tilde unexpanded */
+    if (passwd == NULL)
+        return g_strdup (directory);
+
+    return g_strconcat (passwd->pw_dir, PATH_SEP_STR, q, (char *) NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Canonicalize path.
+ *
+ * @param path path to file
+ * @param flags canonicalization flags
+ *
+ * @return a new path
+ *
+ * All modifications of @path are made in place.
+ * Well formed UNC paths are modified only in the local part.
+ */
+
+void
+canonicalize_pathname_custom (char *path, canon_path_flags_t flags)
+{
+    char *p, *s;
+    char *lpath = path;         /* path without leading UNC part */
+    const size_t url_delim_len = strlen (VFS_PATH_URL_DELIMITER);
+
+    /* Detect and preserve UNC paths: //server/... */
+    if ((flags & CANON_PATH_GUARDUNC) != 0 && IS_PATH_SEP (path[0]) && IS_PATH_SEP (path[1]))
+    {
+        for (p = path + 2; p[0] != '\0' && !IS_PATH_SEP (p[0]); p++)
+            ;
+        if (IS_PATH_SEP (p[0]) && p > path + 2)
+            lpath = p;
+    }
+
+    if (lpath[0] == '\0' || lpath[1] == '\0')
+        return;
+
+    if ((flags & CANON_PATH_JOINSLASHES) != 0)
+    {
+        /* Collapse multiple slashes */
+        for (p = lpath; *p != '\0'; p++)
+            if (IS_PATH_SEP (p[0]) && IS_PATH_SEP (p[1]) && (p == lpath || *(p - 1) != ':'))
+            {
+                s = p + 1;
+                while (IS_PATH_SEP (*(++s)))
+                    ;
+                str_move (p + 1, s);
+            }
+
+        /* Collapse "/./" -> "/" */
+        for (p = lpath; *p != '\0';)
+            if (IS_PATH_SEP (p[0]) && p[1] == '.' && IS_PATH_SEP (p[2]))
+                str_move (p, p + 2);
+            else
+                p++;
+    }
+
+    if ((flags & CANON_PATH_REMSLASHDOTS) != 0)
+    {
+        size_t len;
+
+        /* Remove trailing slashes */
+        for (p = lpath + strlen (lpath) - 1; p > lpath && IS_PATH_SEP (*p); p--)
+        {
+            if (p >= lpath + url_delim_len - 1
+                && strncmp (p - url_delim_len + 1, VFS_PATH_URL_DELIMITER, url_delim_len) == 0)
+                break;
+            *p = '\0';
+        }
+
+        /* Remove leading "./" */
+        if (lpath[0] == '.' && IS_PATH_SEP (lpath[1]))
+        {
+            if (lpath[2] == '\0')
+            {
+                lpath[1] = '\0';
+                return;
+            }
+
+            str_move (lpath, lpath + 2);
+        }
+
+        /* Remove trailing "/" or "/." */
+        len = strlen (lpath);
+        if (len < 2)
+            return;
+
+        if (IS_PATH_SEP (lpath[len - 1])
+            && (len < url_delim_len
+                || strncmp (lpath + len - url_delim_len, VFS_PATH_URL_DELIMITER,
+                            url_delim_len) != 0))
+            lpath[len - 1] = '\0';
+        else if (lpath[len - 1] == '.' && IS_PATH_SEP (lpath[len - 2]))
+        {
+            if (len == 2)
+            {
+                lpath[1] = '\0';
+                return;
+            }
+
+            lpath[len - 2] = '\0';
+        }
+    }
+
+    /* Collapse "/.." with the previous part of path */
+    if ((flags & CANON_PATH_REMDOUBLEDOTS) != 0)
+    {
+#ifdef HAVE_CHARSET
+        const size_t enc_prefix_len = strlen (VFS_ENCODING_PREFIX);
+#endif /* HAVE_CHARSET */
+
+        for (p = lpath; p[0] != '\0' && p[1] != '\0' && p[2] != '\0';)
+        {
+            if (!IS_PATH_SEP (p[0]) || p[1] != '.' || p[2] != '.'
+                || (!IS_PATH_SEP (p[3]) && p[3] != '\0'))
+            {
+                p++;
+                continue;
+            }
+
+            /* search for the previous token */
+            s = p - 1;
+            if (s >= lpath + url_delim_len - 2
+                && strncmp (s - url_delim_len + 2, VFS_PATH_URL_DELIMITER, url_delim_len) == 0)
+            {
+                s -= (url_delim_len - 2);
+                while (s >= lpath && !IS_PATH_SEP (*s--))
+                    ;
+            }
+
+            while (s >= lpath)
+            {
+                if (s - url_delim_len > lpath
+                    && strncmp (s - url_delim_len, VFS_PATH_URL_DELIMITER, url_delim_len) == 0)
+                {
+                    char *vfs_prefix = s - url_delim_len;
+                    vfs_class *vclass;
+
+                    while (vfs_prefix > lpath && !IS_PATH_SEP (*--vfs_prefix))
+                        ;
+                    if (IS_PATH_SEP (*vfs_prefix))
+                        vfs_prefix++;
+                    *(s - url_delim_len) = '\0';
+
+                    vclass = vfs_prefix_to_class (vfs_prefix);
+                    *(s - url_delim_len) = *VFS_PATH_URL_DELIMITER;
+
+                    if (vclass != NULL && (vclass->flags & VFSF_REMOTE) != 0)
+                    {
+                        s = vfs_prefix;
+                        continue;
+                    }
+                }
+
+                if (IS_PATH_SEP (*s))
+                    break;
+
+                s--;
+            }
+
+            s++;
+
+            /* If the previous token is "..", we cannot collapse it */
+            if (s[0] == '.' && s[1] == '.' && s + 2 == p)
+            {
+                p += 3;
+                continue;
+            }
+
+            if (p[3] != '\0')
+            {
+                if (s == lpath && IS_PATH_SEP (*s))
+                {
+                    /* "/../foo" -> "/foo" */
+                    str_move (s + 1, p + 4);
+                }
+                else
+                {
+                    /* "token/../foo" -> "foo" */
+#ifdef HAVE_CHARSET
+                    if ((strncmp (s, VFS_ENCODING_PREFIX, enc_prefix_len) == 0)
+                        && (is_supported_encoding (s + enc_prefix_len)))
+                        /* special case: remove encoding */
+                        str_move (s, p + 1);
+                    else
+#endif /* HAVE_CHARSET */
+                        str_move (s, p + 4);
+                }
+
+                p = s > lpath ? s - 1 : s;
+                continue;
+            }
+
+            /* trailing ".." */
+            if (s == lpath)
+            {
+                /* "token/.." -> "." */
+                if (!IS_PATH_SEP (lpath[0]))
+                    lpath[0] = '.';
+                lpath[1] = '\0';
+            }
+            else
+            {
+                /* "foo/token/.." -> "foo" */
+                if (s == lpath + 1)
+                    s[0] = '\0';
+#ifdef HAVE_CHARSET
+                else if ((strncmp (s, VFS_ENCODING_PREFIX, enc_prefix_len) == 0)
+                         && (is_supported_encoding (s + enc_prefix_len)))
+                {
+                    /* special case: remove encoding */
+                    s[0] = '.';
+                    s[1] = '.';
+                    s[2] = '\0';
+
+                    /* search for the previous token */
+                    /* IS_PATH_SEP (s[-1]) */
+                    for (p = s - 1; p >= lpath && !IS_PATH_SEP (*p); p--)
+                        ;
+
+                    if (p >= lpath)
+                        continue;
+                }
+#endif /* HAVE_CHARSET */
+                else
+                {
+                    if (s >= lpath + url_delim_len
+                        && strncmp (s - url_delim_len, VFS_PATH_URL_DELIMITER, url_delim_len) == 0)
+                        *s = '\0';
+                    else
+                        s[-1] = '\0';
+                }
+            }
+
+            break;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Canonicalize path with CANON_PATH_ALL.
+ *
+ * @param path path to file
+ * @param flags canonicalization flags
+ *
+ * @return a new path
+ *
+ * All modifications of @path are made in place.
+ * Well formed UNC paths are modified only in the local part.
+ */
+
+void
+canonicalize_pathname (char *path)
+{
+    canonicalize_pathname_custom (path, CANON_PATH_ALL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+mc_realpath (const char *path, char *resolved_path)
+{
+#ifdef HAVE_CHARSET
+    const char *p = path;
+    gboolean absolute_path = FALSE;
+
+    if (IS_PATH_SEP (*p))
+    {
+        absolute_path = TRUE;
+        p++;
+    }
+
+    /* ignore encoding: skip "#enc:" */
+    if (g_str_has_prefix (p, VFS_ENCODING_PREFIX))
+    {
+        p += strlen (VFS_ENCODING_PREFIX);
+        p = strchr (p, PATH_SEP);
+        if (p != NULL)
+        {
+            if (!absolute_path && p[1] != '\0')
+                p++;
+
+            path = p;
+        }
+    }
+#endif /* HAVE_CHARSET */
+
+#ifdef HAVE_REALPATH
+    return realpath (path, resolved_path);
+#else
+    {
+        char copy_path[PATH_MAX];
+        char got_path[PATH_MAX];
+        char *new_path = got_path;
+        char *max_path;
+#ifdef S_IFLNK
+        char link_path[PATH_MAX];
+        int readlinks = 0;
+        int n;
+#endif /* S_IFLNK */
+
+        /* Make a copy of the source path since we may need to modify it. */
+        if (strlen (path) >= PATH_MAX - 2)
+        {
+            errno = ENAMETOOLONG;
+            return NULL;
+        }
+
+        strcpy (copy_path, path);
+        path = copy_path;
+        max_path = copy_path + PATH_MAX - 2;
+        /* If it's a relative pathname use getwd for starters. */
+        if (!IS_PATH_SEP (*path))
+        {
+            new_path = g_get_current_dir ();
+            if (new_path == NULL)
+                strcpy (got_path, "");
+            else
+            {
+                g_snprintf (got_path, sizeof (got_path), "%s", new_path);
+                g_free (new_path);
+                new_path = got_path;
+            }
+
+            new_path += strlen (got_path);
+            if (!IS_PATH_SEP (new_path[-1]))
+                *new_path++ = PATH_SEP;
+        }
+        else
+        {
+            *new_path++ = PATH_SEP;
+            path++;
+        }
+        /* Expand each slash-separated pathname component. */
+        while (*path != '\0')
+        {
+            /* Ignore stray "/". */
+            if (IS_PATH_SEP (*path))
+            {
+                path++;
+                continue;
+            }
+            if (*path == '.')
+            {
+                /* Ignore ".". */
+                if (path[1] == '\0' || IS_PATH_SEP (path[1]))
+                {
+                    path++;
+                    continue;
+                }
+                if (path[1] == '.')
+                {
+                    if (path[2] == '\0' || IS_PATH_SEP (path[2]))
+                    {
+                        path += 2;
+                        /* Ignore ".." at root. */
+                        if (new_path == got_path + 1)
+                            continue;
+                        /* Handle ".." by backing up. */
+                        while (!IS_PATH_SEP ((--new_path)[-1]))
+                            ;
+                        continue;
+                    }
+                }
+            }
+            /* Safely copy the next pathname component. */
+            while (*path != '\0' && !IS_PATH_SEP (*path))
+            {
+                if (path > max_path)
+                {
+                    errno = ENAMETOOLONG;
+                    return NULL;
+                }
+                *new_path++ = *path++;
+            }
+#ifdef S_IFLNK
+            /* Protect against infinite loops. */
+            if (readlinks++ > MAXSYMLINKS)
+            {
+                errno = ELOOP;
+                return NULL;
+            }
+            /* See if latest pathname component is a symlink. */
+            *new_path = '\0';
+            n = readlink (got_path, link_path, PATH_MAX - 1);
+            if (n < 0)
+            {
+                /* EINVAL means the file exists but isn't a symlink. */
+                if (errno != EINVAL)
+                {
+                    /* Make sure it's null terminated. */
+                    *new_path = '\0';
+                    strcpy (resolved_path, got_path);
+                    return NULL;
+                }
+            }
+            else
+            {
+                /* Note: readlink doesn't add the null byte. */
+                link_path[n] = '\0';
+                if (IS_PATH_SEP (*link_path))
+                    /* Start over for an absolute symlink. */
+                    new_path = got_path;
+                else
+                    /* Otherwise back up over this component. */
+                    while (!IS_PATH_SEP (*(--new_path)))
+                        ;
+                /* Safe sex check. */
+                if (strlen (path) + n >= PATH_MAX - 2)
+                {
+                    errno = ENAMETOOLONG;
+                    return NULL;
+                }
+                /* Insert symlink contents into path. */
+                strcat (link_path, path);
+                strcpy (copy_path, link_path);
+                path = copy_path;
+            }
+#endif /* S_IFLNK */
+            *new_path++ = PATH_SEP;
+        }
+        /* Delete trailing slash but don't whomp a lone slash. */
+        if (new_path != got_path + 1 && IS_PATH_SEP (new_path[-1]))
+            new_path--;
+        /* Make sure it's null terminated. */
+        *new_path = '\0';
+        strcpy (resolved_path, got_path);
+        return resolved_path;
+    }
+#endif /* HAVE_REALPATH */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return the index of the permissions triplet
+ *
+ */
+
+int
+get_user_permissions (struct stat *st)
+{
+    static gboolean initialized = FALSE;
+    static gid_t *groups;
+    static int ngroups;
+    static uid_t uid;
+    int i;
+
+    if (!initialized)
+    {
+        uid = geteuid ();
+
+        ngroups = getgroups (0, NULL);
+        if (ngroups == -1)
+            ngroups = 0;        /* ignore errors */
+
+        /* allocate space for one element in addition to what
+         * will be filled by getgroups(). */
+        groups = g_new (gid_t, ngroups + 1);
+
+        if (ngroups != 0)
+        {
+            ngroups = getgroups (ngroups, groups);
+            if (ngroups == -1)
+                ngroups = 0;    /* ignore errors */
+        }
+
+        /* getgroups() may or may not return the effective group ID,
+         * so we always include it at the end of the list. */
+        groups[ngroups++] = getegid ();
+
+        initialized = TRUE;
+    }
+
+    if (st->st_uid == uid || uid == 0)
+        return 0;
+
+    for (i = 0; i < ngroups; i++)
+        if (st->st_gid == groups[i])
+            return 1;
+
+    return 2;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Build filename from arguments.
+ * Like to g_build_filename(), but respect VFS_PATH_URL_DELIMITER
+ */
+
+char *
+mc_build_filenamev (const char *first_element, va_list args)
+{
+    gboolean absolute;
+    const char *element = first_element;
+    GString *path;
+    char *ret;
+
+    if (element == NULL)
+        return NULL;
+
+    path = g_string_new ("");
+
+    absolute = IS_PATH_SEP (*first_element);
+
+    do
+    {
+        if (*element == '\0')
+            element = va_arg (args, char *);
+        else
+        {
+            char *tmp_element;
+            size_t len;
+            const char *start;
+
+            tmp_element = g_strdup (element);
+
+            element = va_arg (args, char *);
+
+            canonicalize_pathname (tmp_element);
+            len = strlen (tmp_element);
+            start = IS_PATH_SEP (tmp_element[0]) ? tmp_element + 1 : tmp_element;
+
+            g_string_append (path, start);
+            if (!IS_PATH_SEP (tmp_element[len - 1]) && element != NULL)
+                g_string_append_c (path, PATH_SEP);
+
+            g_free (tmp_element);
+        }
+    }
+    while (element != NULL);
+
+    if (absolute)
+        g_string_prepend_c (path, PATH_SEP);
+
+    ret = g_string_free (path, FALSE);
+    canonicalize_pathname (ret);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Build filename from arguments.
+ * Like to g_build_filename(), but respect VFS_PATH_URL_DELIMITER
+ */
+
+char *
+mc_build_filename (const char *first_element, ...)
+{
+    va_list args;
+    char *ret;
+
+    if (first_element == NULL)
+        return NULL;
+
+    va_start (args, first_element);
+    ret = mc_build_filenamev (first_element, args);
+    va_end (args);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/utilunix.h b/lib/utilunix.h
new file mode 100644
index 0000000..922d265
--- /dev/null
+++ b/lib/utilunix.h
@@ -0,0 +1,25 @@
+/** \file  execute.h
+ *  \brief Header: execution routines
+ */
+
+#ifndef MC__UTILUNIX_H
+#define MC__UTILUNIX_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* flags for shell_execute */
+#define EXECUTE_INTERNAL (1 << 0)
+#define EXECUTE_AS_SHELL (1 << 2)
+#define EXECUTE_HIDE     (1 << 3)
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__UTILUNIX_H */
diff --git a/lib/vfs/HACKING b/lib/vfs/HACKING
new file mode 100644
index 0000000..c02e23d
--- /dev/null
+++ b/lib/vfs/HACKING
@@ -0,0 +1,104 @@
+Intended audience
+=================
+
+This document is intended for everybody who wants to understand VFS
+code.  Knowledge of programming is a must.
+
+
+Preface
+=======
+
+While VFS should be considered an excellent idea, which came ahead of
+its time, the implementation used in GNU Midnight Commander is now
+showing its age.
+
+The VFS code was left us without any decent documentation.  Most
+functions don't have comments explaining what they do.  Most comments
+describe quirks and implementation details, rather than the intended
+functionality of the code.  This document is an attempt to reconstruct
+understanding of the VFS code and help its future developers.
+
+Being the part of GNU Midnight Commander most exposed to potential
+security threats, the VFS code needs to be kept is a good shape. 
+Understanding the code is the key to making and keeping it secure.
+
+
+Basics of code organization
+===========================
+
+VFS code it to a certain extent object oriented.  The code dealing with
+a certain type of data (e.g. tar archives) can be thought
+of as a class in the terms of object oriented programming.  They may
+reuse some code from their parent classes.  For instance, tar and cpio
+archives have a common parent class direntry, which contains some common
+code for archives.
+
+Individual archives or connections can be considered as instances of
+those classes.  They provide POSIX like interface to their structure,
+but don't expose that structure directly to the common VFS layer.
+
+Each VFS object has a directory tree associated with it.  The tree
+consists of entries for files and directories.  In some VFS classes, the
+entries have names and a are associated with nameless inodes, which
+contain information such as size, timestamps and other data normally
+contained in POSIX "struct stat".
+
+File vfs.c serves as a multiplexor.  It exports functions similar to
+POSIX but with "mc_" prepended to them.  For example, mc_open() will act
+like open(), but will treat VFS names in a special way.
+
+Common utility functions not intended to be used outside the VFS code
+should go to utilvfs.c and possibly to other files.  Presently, there is
+a lot of such code in vfs.c.
+
+
+Hierarchy of classes
+====================
+
+vfs ---- direntry ---- cpio  } archives
+   |            | ---- tar   }
+   |            |
+   |            | ---- fish  } remote systems
+   |            | ---- ftpfs }
+   |
+   |---- extfs ---- extfs archives
+   |---- localfs ---- sfs ---- sfs archives
+   |---- undelfs
+
+
+Properties of classes
+=====================
+
+                   read only    inode->entry   local cache   full tree
+                                mapping                      loaded
+
+cpio               yes*         yes*           no            yes
+tar                yes*         yes*           no            yes
+fish               no           yes            yes           no
+ftpfs              no           yes            yes           no
+extfs              no           no             yes           yes
+localfs            no           no             N/A           N/A
+sfs                no           yes            yes           N/A
+undelfs            no           yes            no            yes
+
+
+"*" means that this property should change during further development.
+Mapping from inode to entry prevents implementing hard links.  It is
+permissible for directories, which cannot be hardlinked.  Not loading
+the full tree speeds up access to large archives and conserves memory.
+
+
+Stamping
+========
+
+Stamping is the VFS equivalent of garbage collection.  It's purpose is
+to destroy unreferenced VFS objects, in other words close archives or
+connections once they are unused for some time.  There is a tree of
+items representing VFS objects.  The common layer doesn't know the
+structure of the pointers, but it knows the class that should handle the
+pointer.  Every item has a timestamp.  Once the timestamp becomes too
+old, the object is freed.
+
+There are ways to keep objects alive if they are used.  Also, objects
+can have parent objects, which are freed together with there original
+object if they are otherwise unreferenced.
diff --git a/lib/vfs/Makefile.am b/lib/vfs/Makefile.am
new file mode 100644
index 0000000..87a51c6
--- /dev/null
+++ b/lib/vfs/Makefile.am
@@ -0,0 +1,19 @@
+noinst_LTLIBRARIES = libmcvfs.la
+
+AM_CPPFLAGS = $(GLIB_CFLAGS) -I$(top_srcdir)
+
+libmcvfs_la_SOURCES = \
+	direntry.c		\
+	gc.c gc.h		\
+	interface.c \
+	parse_ls_vga.c \
+	path.c path.h		\
+	vfs.c vfs.h		\
+	utilvfs.c utilvfs.h	\
+	xdirentry.h
+
+if ENABLE_VFS_NET
+libmcvfs_la_SOURCES += netutil.c netutil.h
+endif
+
+EXTRA_DIST = HACKING README
diff --git a/lib/vfs/Makefile.in b/lib/vfs/Makefile.in
new file mode 100644
index 0000000..b811733
--- /dev/null
+++ b/lib/vfs/Makefile.in
@@ -0,0 +1,766 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+      *=*|--*) continue;; \
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+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@ENABLE_VFS_NET_TRUE@am__append_1 = netutil.c netutil.h
+subdir = lib/vfs
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/direntry.Plo
+	-rm -f ./$(DEPDIR)/gc.Plo
+	-rm -f ./$(DEPDIR)/interface.Plo
+	-rm -f ./$(DEPDIR)/netutil.Plo
+	-rm -f ./$(DEPDIR)/parse_ls_vga.Plo
+	-rm -f ./$(DEPDIR)/path.Plo
+	-rm -f ./$(DEPDIR)/utilvfs.Plo
+	-rm -f ./$(DEPDIR)/vfs.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/direntry.Plo
+	-rm -f ./$(DEPDIR)/gc.Plo
+	-rm -f ./$(DEPDIR)/interface.Plo
+	-rm -f ./$(DEPDIR)/netutil.Plo
+	-rm -f ./$(DEPDIR)/parse_ls_vga.Plo
+	-rm -f ./$(DEPDIR)/path.Plo
+	-rm -f ./$(DEPDIR)/utilvfs.Plo
+	-rm -f ./$(DEPDIR)/vfs.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/vfs/README b/lib/vfs/README
new file mode 100644
index 0000000..14d4397
--- /dev/null
+++ b/lib/vfs/README
@@ -0,0 +1,70 @@
+NOTE: Although vfs has been meant to be implemented as a separate
+entity redistributable under the LGPL in its current implementation it
+uses GPLed code from src/. So there are two possibilities if you want
+to use vfs:
+
+1. Distribute your copy of vfs under the GPL. Then you can freely
+include the GPLed functions from the rest of the mc source code.
+
+2. Distribute your copy of vfs under the LGPL. Then you cannot include
+the functions outside the vfs subdirectory. You must then either
+rewrite them or work around them in other ways.
+
+========================================================================
+
+Hi!
+
+I'm midnight commander's vfs layer. Before you start hacking me,
+please read this file. I'm integral part of midnight commander, but I
+try to go out and live my life myself as a shared library, too. That
+means that I should try to use as little functions from midnight as
+possible (so I'm tiny, nice and people like me), that I should not
+pollute name space by unnecessary symbols (so I do not crash fellow
+programs) and that I should have a clean interface between myself and
+midnight.
+
+Because I'm rather close to midnight, try to:
+
+* Keep the indentation as the rest of the code. Following could help
+you with your friend emacs:
+
+(defun mc-c-mode ()
+	"C mode with adjusted defaults for use with the Midnight commander."
+	(interactive)
+	(c-mode)
+	(c-set-style "K&R")
+	(setq	c-indent-level 4
+		c-continued-statement-offset 4
+		c-brace-offset 0
+		c-argdecl-indent 4
+		c-label-offset -4
+		c-brace-imaginary-offset 0
+		c-continued-brace-offset 0
+		c-tab-always-indent nil
+		c-basic-offset 4
+		tab-width 8
+		comment-column 60))
+
+(setq auto-mode-alist (cons '(".*/mc/.*\\.[ch]$" . mc-c-mode)
+                       auto-mode-alist))
+
+And because I'm trying to live life on my own as libvfs.so, try to:
+
+* Make sure all exported symbols are defined in vfs.h and begin with
+'vfs_'.
+
+* Do not make any references from midnight into modules like tar. It
+would probably pollute name space and midnight would depend on concrete
+configuration of libvfs. mc_setctl() and mc_ctl() are your
+friends. (And mine too :-).
+
+							 Pavel Machek
+							 pavel@ucw.cz
+
+PS: If you'd like to use my features in whole operating system, you
+might want to link me to rpc.nfsd. On
+http://atrey.karlin.mff.cuni.cz/~pavel/podfuk/podfuk.html you'll find
+how to do it.
+
+PPS: I have a friend, shared library called avfs, which is LD_PRELOAD
+capable. You can reach her at http://www.inf.bme.hu/~mszeredi/avfs.
diff --git a/lib/vfs/direntry.c b/lib/vfs/direntry.c
new file mode 100644
index 0000000..4ea5d11
--- /dev/null
+++ b/lib/vfs/direntry.c
@@ -0,0 +1,1738 @@
+/*
+   Directory cache support
+
+   Copyright (C) 1998-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Pavel Machek <pavel@ucw.cz>, 1998
+   Slava Zanko <slavazanko@gmail.com>, 2010-2013
+   Andrew Borodin <aborodin@vmail.ru> 2010-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   \warning Paths here do _not_ begin with '/', so root directory of
+   archive/site is simply "".
+ */
+
+/** \file
+ *  \brief Source: directory cache support
+ *
+ *  So that you do not have copy of this in each and every filesystem.
+ *
+ *  Very loosely based on tar.c from midnight and archives.[ch] from
+ *  avfs by Miklos Szeredi (mszeredi@inf.bme.hu)
+ *
+ *  Unfortunately, I was unable to keep all filesystems
+ *  uniform. tar-like filesystems use tree structure where each
+ *  directory has pointers to its subdirectories. We can do this
+ *  because we have full information about our archive.
+ *
+ *  At ftp-like filesystems, situation is a little bit different. When
+ *  you cd /usr/src/linux/drivers/char, you do _not_ want /usr,
+ *  /usr/src, /usr/src/linux and /usr/src/linux/drivers to be
+ *  listed. That means that we do not have complete information, and if
+ *  /usr is symlink to /4, we will not know. Also we have to time out
+ *  entries and things would get messy with tree-like approach. So we
+ *  do different trick: root directory is completely special and
+ *  completely fake, it contains entries such as 'usr', 'usr/src', ...,
+ *  and we'll try to use custom find_entry function.
+ *
+ *  \author Pavel Machek <pavel@ucw.cz>
+ *  \date 1998
+ *
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <inttypes.h>           /* uintmax_t */
+#include <stdarg.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"        /* enable/disable interrupt key */
+#include "lib/util.h"           /* canonicalize_pathname_custom() */
+#if 0
+#include "lib/widget.h"         /* message() */
+#endif
+
+#include "vfs.h"
+#include "utilvfs.h"
+#include "xdirentry.h"
+#include "gc.h"                 /* vfs_rmstamp */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define CALL(x) \
+        if (VFS_SUBCLASS (me)->x != NULL) \
+            VFS_SUBCLASS (me)->x
+
+/*** file scope type declarations ****************************************************************/
+
+struct dirhandle
+{
+    GList *cur;
+    struct vfs_s_inode *dir;
+};
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* We were asked to create entries automagically */
+
+static struct vfs_s_entry *
+vfs_s_automake (struct vfs_class *me, struct vfs_s_inode *dir, char *path, int flags)
+{
+    struct vfs_s_entry *res;
+    char *sep;
+
+    sep = strchr (path, PATH_SEP);
+    if (sep != NULL)
+        *sep = '\0';
+
+    res = vfs_s_generate_entry (me, path, dir, (flags & FL_MKDIR) != 0 ? (0777 | S_IFDIR) : 0777);
+    vfs_s_insert_entry (me, dir, res);
+
+    if (sep != NULL)
+        *sep = PATH_SEP;
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* If the entry is a symlink, find the entry for its target */
+
+static struct vfs_s_entry *
+vfs_s_resolve_symlink (struct vfs_class *me, struct vfs_s_entry *entry, int follow)
+{
+    char *linkname;
+    char *fullname = NULL;
+    struct vfs_s_entry *target;
+
+    if (follow == LINK_NO_FOLLOW)
+        return entry;
+    if (follow == 0)
+        ERRNOR (ELOOP, NULL);
+    if (entry == NULL)
+        ERRNOR (ENOENT, NULL);
+    if (!S_ISLNK (entry->ino->st.st_mode))
+        return entry;
+
+    linkname = entry->ino->linkname;
+    if (linkname == NULL)
+        ERRNOR (EFAULT, NULL);
+
+    /* make full path from relative */
+    if (!IS_PATH_SEP (*linkname))
+    {
+        char *fullpath;
+
+        fullpath = vfs_s_fullpath (me, entry->dir);
+        if (fullpath != NULL)
+        {
+            fullname = g_strconcat (fullpath, PATH_SEP_STR, linkname, (char *) NULL);
+            linkname = fullname;
+            g_free (fullpath);
+        }
+    }
+
+    target =
+        VFS_SUBCLASS (me)->find_entry (me, entry->dir->super->root, linkname, follow - 1, FL_NONE);
+    g_free (fullname);
+    return target;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Follow > 0: follow links, serves as loop protect,
+ *       == -1: do not follow links
+ */
+
+static struct vfs_s_entry *
+vfs_s_find_entry_tree (struct vfs_class *me, struct vfs_s_inode *root,
+                       const char *a_path, int follow, int flags)
+{
+    size_t pseg;
+    struct vfs_s_entry *ent = NULL;
+    char *const pathref = g_strdup (a_path);
+    char *path = pathref;
+
+    /* canonicalize as well, but don't remove '../' from path */
+    canonicalize_pathname_custom (path, CANON_PATH_ALL & (~CANON_PATH_REMDOUBLEDOTS));
+
+    while (root != NULL)
+    {
+        GList *iter;
+
+        while (IS_PATH_SEP (*path))     /* Strip leading '/' */
+            path++;
+
+        if (path[0] == '\0')
+        {
+            g_free (pathref);
+            return ent;
+        }
+
+        for (pseg = 0; path[pseg] != '\0' && !IS_PATH_SEP (path[pseg]); pseg++)
+            ;
+
+        for (iter = g_queue_peek_head_link (root->subdir); iter != NULL; iter = g_list_next (iter))
+        {
+            ent = VFS_ENTRY (iter->data);
+            if (strlen (ent->name) == pseg && strncmp (ent->name, path, pseg) == 0)
+                /* FOUND! */
+                break;
+        }
+
+        ent = iter != NULL ? VFS_ENTRY (iter->data) : NULL;
+
+        if (ent == NULL && (flags & (FL_MKFILE | FL_MKDIR)) != 0)
+            ent = vfs_s_automake (me, root, path, flags);
+        if (ent == NULL)
+        {
+            me->verrno = ENOENT;
+            goto cleanup;
+        }
+
+        path += pseg;
+        /* here we must follow leading directories always;
+           only the actual file is optional */
+        ent = vfs_s_resolve_symlink (me, ent,
+                                     strchr (path, PATH_SEP) != NULL ? LINK_FOLLOW : follow);
+        if (ent == NULL)
+            goto cleanup;
+        root = ent->ino;
+    }
+  cleanup:
+    g_free (pathref);
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static struct vfs_s_entry *
+vfs_s_find_entry_linear (struct vfs_class *me, struct vfs_s_inode *root,
+                         const char *a_path, int follow, int flags)
+{
+    struct vfs_s_entry *ent = NULL;
+    char *const path = g_strdup (a_path);
+    GList *iter;
+
+    if (root->super->root != root)
+        vfs_die ("We have to use _real_ root. Always. Sorry.");
+
+    /* canonicalize as well, but don't remove '../' from path */
+    canonicalize_pathname_custom (path, CANON_PATH_ALL & (~CANON_PATH_REMDOUBLEDOTS));
+
+    if ((flags & FL_DIR) == 0)
+    {
+        char *dirname, *name;
+        struct vfs_s_inode *ino;
+
+        dirname = g_path_get_dirname (path);
+        name = g_path_get_basename (path);
+        ino = vfs_s_find_inode (me, root->super, dirname, follow, flags | FL_DIR);
+        ent = vfs_s_find_entry_tree (me, ino, name, follow, flags);
+        g_free (dirname);
+        g_free (name);
+        g_free (path);
+        return ent;
+    }
+
+    iter = g_queue_find_custom (root->subdir, path, (GCompareFunc) vfs_s_entry_compare);
+    ent = iter != NULL ? VFS_ENTRY (iter->data) : NULL;
+
+    if (ent != NULL && !VFS_SUBCLASS (me)->dir_uptodate (me, ent->ino))
+    {
+#if 1
+        vfs_print_message (_("Directory cache expired for %s"), path);
+#endif
+        vfs_s_free_entry (me, ent);
+        ent = NULL;
+    }
+
+    if (ent == NULL)
+    {
+        struct vfs_s_inode *ino;
+
+        ino = vfs_s_new_inode (me, root->super, vfs_s_default_stat (me, S_IFDIR | 0755));
+        ent = vfs_s_new_entry (me, path, ino);
+        if (VFS_SUBCLASS (me)->dir_load (me, ino, path) == -1)
+        {
+            vfs_s_free_entry (me, ent);
+            g_free (path);
+            return NULL;
+        }
+
+        vfs_s_insert_entry (me, root, ent);
+
+        iter = g_queue_find_custom (root->subdir, path, (GCompareFunc) vfs_s_entry_compare);
+        ent = iter != NULL ? VFS_ENTRY (iter->data) : NULL;
+    }
+    if (ent == NULL)
+        vfs_die ("find_linear: success but directory is not there\n");
+
+#if 0
+    if (vfs_s_resolve_symlink (me, ent, follow) == NULL)
+    {
+        g_free (path);
+        return NULL;
+    }
+#endif
+    g_free (path);
+    return ent;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Ook, these were functions around directory entries / inodes */
+/* -------------------------------- superblock games -------------------------- */
+
+static struct vfs_s_super *
+vfs_s_new_super (struct vfs_class *me)
+{
+    struct vfs_s_super *super;
+
+    super = g_new0 (struct vfs_s_super, 1);
+    super->me = me;
+    return super;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+vfs_s_insert_super (struct vfs_class *me, struct vfs_s_super *super)
+{
+    VFS_SUBCLASS (me)->supers = g_list_prepend (VFS_SUBCLASS (me)->supers, super);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+vfs_s_free_super (struct vfs_class *me, struct vfs_s_super *super)
+{
+    if (super->root != NULL)
+    {
+        vfs_s_free_inode (me, super->root);
+        super->root = NULL;
+    }
+
+#if 0
+    /* FIXME: We currently leak small ammount of memory, sometimes. Fix it if you can. */
+    if (super->ino_usage != 0)
+        message (D_ERROR, "Direntry warning",
+                 "Super ino_usage is %d, memory leak", super->ino_usage);
+
+    if (super->want_stale)
+        message (D_ERROR, "Direntry warning", "%s", "Super has want_stale set");
+#endif
+
+    VFS_SUBCLASS (me)->supers = g_list_remove (VFS_SUBCLASS (me)->supers, super);
+
+    CALL (free_archive) (me, super);
+#ifdef ENABLE_VFS_NET
+    vfs_path_element_free (super->path_element);
+#endif
+    g_free (super->name);
+    g_free (super);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static vfs_file_handler_t *
+vfs_s_new_fh (struct vfs_s_inode *ino, gboolean changed)
+{
+    vfs_file_handler_t *fh;
+
+    fh = g_new0 (vfs_file_handler_t, 1);
+    vfs_s_init_fh (fh, ino, changed);
+
+    return fh;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+vfs_s_free_fh (struct vfs_s_subclass *s, vfs_file_handler_t * fh)
+{
+    if (s->fh_free != NULL)
+        s->fh_free (fh);
+
+    g_free (fh);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Support of archives */
+/* ------------------------ readdir & friends ----------------------------- */
+
+static struct vfs_s_inode *
+vfs_s_inode_from_path (const vfs_path_t * vpath, int flags)
+{
+    struct vfs_s_super *super;
+    struct vfs_s_inode *ino;
+    const char *q;
+    const vfs_path_element_t *path_element;
+
+    q = vfs_s_get_path (vpath, &super, 0);
+    if (q == NULL)
+        return NULL;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    ino =
+        vfs_s_find_inode (path_element->class, super, q,
+                          (flags & FL_FOLLOW) != 0 ? LINK_FOLLOW : LINK_NO_FOLLOW,
+                          flags & ~FL_FOLLOW);
+    if (ino == NULL && *q == '\0')
+        /* We are asking about / directory of ftp server: assume it exists */
+        ino =
+            vfs_s_find_inode (path_element->class, super, q,
+                              (flags & FL_FOLLOW) != 0 ? LINK_FOLLOW : LINK_NO_FOLLOW,
+                              FL_DIR | (flags & ~FL_FOLLOW));
+    return ino;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void *
+vfs_s_opendir (const vfs_path_t * vpath)
+{
+    struct vfs_s_inode *dir;
+    struct dirhandle *info;
+    const vfs_path_element_t *path_element;
+
+    dir = vfs_s_inode_from_path (vpath, FL_DIR | FL_FOLLOW);
+    if (dir == NULL)
+        return NULL;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    if (!S_ISDIR (dir->st.st_mode))
+    {
+        path_element->class->verrno = ENOTDIR;
+        return NULL;
+    }
+
+    dir->st.st_nlink++;
+#if 0
+    if (dir->subdir == NULL)    /* This can actually happen if we allow empty directories */
+    {
+        path_element->class->verrno = EAGAIN;
+        return NULL;
+    }
+#endif
+    info = g_new (struct dirhandle, 1);
+    info->cur = g_queue_peek_head_link (dir->subdir);
+    info->dir = dir;
+
+    return info;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static struct vfs_dirent *
+vfs_s_readdir (void *data)
+{
+    struct vfs_dirent *dir = NULL;
+    struct dirhandle *info = (struct dirhandle *) data;
+    const char *name;
+
+    if (info->cur == NULL || info->cur->data == NULL)
+        return NULL;
+
+    name = VFS_ENTRY (info->cur->data)->name;
+    if (name != NULL)
+        dir = vfs_dirent_init (NULL, name, 0);
+    else
+        vfs_die ("Null in structure-cannot happen");
+
+    info->cur = g_list_next (info->cur);
+
+    return dir;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_closedir (void *data)
+{
+    struct dirhandle *info = (struct dirhandle *) data;
+    struct vfs_s_inode *dir = info->dir;
+
+    vfs_s_free_inode (dir->super->me, dir);
+    g_free (data);
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_chdir (const vfs_path_t * vpath)
+{
+    void *data;
+
+    data = vfs_s_opendir (vpath);
+    if (data == NULL)
+        return (-1);
+    vfs_s_closedir (data);
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* --------------------------- stat and friends ---------------------------- */
+
+static int
+vfs_s_internal_stat (const vfs_path_t * vpath, struct stat *buf, int flag)
+{
+    struct vfs_s_inode *ino;
+
+    ino = vfs_s_inode_from_path (vpath, flag);
+    if (ino == NULL)
+        return (-1);
+    *buf = ino->st;
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_readlink (const vfs_path_t * vpath, char *buf, size_t size)
+{
+    struct vfs_s_inode *ino;
+    size_t len;
+    const vfs_path_element_t *path_element;
+
+    ino = vfs_s_inode_from_path (vpath, 0);
+    if (ino == NULL)
+        return (-1);
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    if (!S_ISLNK (ino->st.st_mode))
+    {
+        path_element->class->verrno = EINVAL;
+        return (-1);
+    }
+
+    if (ino->linkname == NULL)
+    {
+        path_element->class->verrno = EFAULT;
+        return (-1);
+    }
+
+    len = strlen (ino->linkname);
+    if (size < len)
+        len = size;
+    /* readlink() does not append a NUL character to buf */
+    memcpy (buf, ino->linkname, len);
+    return len;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static ssize_t
+vfs_s_read (void *fh, char *buffer, size_t count)
+{
+    vfs_file_handler_t *file = VFS_FILE_HANDLER (fh);
+    struct vfs_class *me = VFS_FILE_HANDLER_SUPER (fh)->me;
+
+    if (file->linear == LS_LINEAR_PREOPEN)
+    {
+        if (VFS_SUBCLASS (me)->linear_start (me, file, file->pos) == 0)
+            return (-1);
+    }
+
+    if (file->linear == LS_LINEAR_CLOSED)
+        vfs_die ("linear_start() did not set linear_state!");
+
+    if (file->linear == LS_LINEAR_OPEN)
+        return VFS_SUBCLASS (me)->linear_read (me, file, buffer, count);
+
+    if (file->handle != -1)
+    {
+        ssize_t n;
+
+        n = read (file->handle, buffer, count);
+        if (n < 0)
+            me->verrno = errno;
+        return n;
+    }
+    vfs_die ("vfs_s_read: This should not happen\n");
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static ssize_t
+vfs_s_write (void *fh, const char *buffer, size_t count)
+{
+    vfs_file_handler_t *file = VFS_FILE_HANDLER (fh);
+    struct vfs_class *me = VFS_FILE_HANDLER_SUPER (fh)->me;
+
+    if (file->linear != LS_NOT_LINEAR)
+        vfs_die ("no writing to linear files, please");
+
+    file->changed = TRUE;
+    if (file->handle != -1)
+    {
+        ssize_t n;
+
+        n = write (file->handle, buffer, count);
+        if (n < 0)
+            me->verrno = errno;
+        return n;
+    }
+    vfs_die ("vfs_s_write: This should not happen\n");
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+vfs_s_lseek (void *fh, off_t offset, int whence)
+{
+    vfs_file_handler_t *file = VFS_FILE_HANDLER (fh);
+    off_t size = file->ino->st.st_size;
+
+    if (file->linear == LS_LINEAR_OPEN)
+        vfs_die ("cannot lseek() after linear_read!");
+
+    if (file->handle != -1)
+    {                           /* If we have local file opened, we want to work with it */
+        off_t retval;
+
+        retval = lseek (file->handle, offset, whence);
+        if (retval == -1)
+            VFS_FILE_HANDLER_SUPER (fh)->me->verrno = errno;
+        return retval;
+    }
+
+    switch (whence)
+    {
+    case SEEK_CUR:
+        offset += file->pos;
+        break;
+    case SEEK_END:
+        offset += size;
+        break;
+    default:
+        break;
+    }
+    if (offset < 0)
+        file->pos = 0;
+    else if (offset < size)
+        file->pos = offset;
+    else
+        file->pos = size;
+    return file->pos;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_close (void *fh)
+{
+    vfs_file_handler_t *file = VFS_FILE_HANDLER (fh);
+    struct vfs_s_super *super = VFS_FILE_HANDLER_SUPER (fh);
+    struct vfs_class *me = super->me;
+    struct vfs_s_subclass *sub = VFS_SUBCLASS (me);
+    int res = 0;
+
+    if (me == NULL)
+        return (-1);
+
+    super->fd_usage--;
+    if (super->fd_usage == 0)
+        vfs_stamp_create (me, VFS_FILE_HANDLER_SUPER (fh));
+
+    if (file->linear == LS_LINEAR_OPEN)
+        sub->linear_close (me, fh);
+    if (sub->fh_close != NULL)
+        res = sub->fh_close (me, fh);
+    if ((me->flags & VFSF_USETMP) != 0 && file->changed && sub->file_store != NULL)
+    {
+        char *s;
+
+        s = vfs_s_fullpath (me, file->ino);
+
+        if (s == NULL)
+            res = -1;
+        else
+        {
+            res = sub->file_store (me, fh, s, file->ino->localname);
+            g_free (s);
+        }
+        vfs_s_invalidate (me, super);
+    }
+
+    if (file->handle != -1)
+    {
+        close (file->handle);
+        file->handle = -1;
+    }
+
+    vfs_s_free_inode (me, file->ino);
+    vfs_s_free_fh (sub, fh);
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+vfs_s_print_stats (const char *fs_name, const char *action,
+                   const char *file_name, off_t have, off_t need)
+{
+    if (need != 0)
+        vfs_print_message (_("%s: %s: %s %3d%% (%lld) bytes transferred"), fs_name, action,
+                           file_name, (int) ((double) have * 100 / need), (long long) have);
+    else
+        vfs_print_message (_("%s: %s: %s %lld bytes transferred"), fs_name, action, file_name,
+                           (long long) have);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* ------------------------------- mc support ---------------------------- */
+
+static void
+vfs_s_fill_names (struct vfs_class *me, fill_names_f func)
+{
+    GList *iter;
+
+    for (iter = VFS_SUBCLASS (me)->supers; iter != NULL; iter = g_list_next (iter))
+    {
+        const struct vfs_s_super *super = (const struct vfs_s_super *) iter->data;
+        char *name;
+
+        name = g_strconcat (super->name, PATH_SEP_STR, me->prefix, VFS_PATH_URL_DELIMITER,
+                            /* super->current_dir->name, */ (char *) NULL);
+        func (name);
+        g_free (name);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_ferrno (struct vfs_class *me)
+{
+    return me->verrno;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get local copy of the given file.  We reuse the existing file cache
+ * for remote filesystems.  Archives use standard VFS facilities.
+ */
+
+static vfs_path_t *
+vfs_s_getlocalcopy (const vfs_path_t * vpath)
+{
+    vfs_file_handler_t *fh;
+    vfs_path_t *local = NULL;
+
+    if (vpath == NULL)
+        return NULL;
+
+    fh = vfs_s_open (vpath, O_RDONLY, 0);
+
+    if (fh != NULL)
+    {
+        const struct vfs_class *me;
+
+        me = vfs_path_get_by_index (vpath, -1)->class;
+        if ((me->flags & VFSF_USETMP) != 0 && fh->ino != NULL)
+            local = vfs_path_from_str_flags (fh->ino->localname, VPF_NO_CANON);
+
+        vfs_s_close (fh);
+    }
+
+    return local;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return the local copy.  Since we are using our cache, we do nothing -
+ * the cache will be removed when the archive is closed.
+ */
+
+static int
+vfs_s_ungetlocalcopy (const vfs_path_t * vpath, const vfs_path_t * local, gboolean has_changed)
+{
+    (void) vpath;
+    (void) local;
+    (void) has_changed;
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+vfs_s_setctl (const vfs_path_t * vpath, int ctlop, void *arg)
+{
+    const vfs_path_element_t *path_element;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    switch (ctlop)
+    {
+    case VFS_SETCTL_STALE_DATA:
+        {
+            struct vfs_s_inode *ino;
+
+            ino = vfs_s_inode_from_path (vpath, 0);
+            if (ino == NULL)
+                return 0;
+            if (arg != NULL)
+                ino->super->want_stale = TRUE;
+            else
+            {
+                ino->super->want_stale = FALSE;
+                vfs_s_invalidate (path_element->class, ino->super);
+            }
+            return 1;
+        }
+    case VFS_SETCTL_LOGFILE:
+        path_element->class->logfile = fopen ((char *) arg, "w");
+        return 1;
+    case VFS_SETCTL_FLUSH:
+        path_element->class->flush = TRUE;
+        return 1;
+    default:
+        return 0;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* ----------------------------- Stamping support -------------------------- */
+
+static vfsid
+vfs_s_getid (const vfs_path_t * vpath)
+{
+    struct vfs_s_super *archive = NULL;
+    const char *p;
+
+    p = vfs_s_get_path (vpath, &archive, FL_NO_OPEN);
+    if (p == NULL)
+        return NULL;
+
+    return (vfsid) archive;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+vfs_s_nothingisopen (vfsid id)
+{
+    return (VFS_SUPER (id)->fd_usage <= 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+vfs_s_free (vfsid id)
+{
+    vfs_s_free_super (VFS_SUPER (id)->me, VFS_SUPER (id));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+vfs_s_dir_uptodate (struct vfs_class *me, struct vfs_s_inode *ino)
+{
+    gint64 tim;
+
+    if (me->flush)
+    {
+        me->flush = FALSE;
+        return 0;
+    }
+
+    tim = g_get_monotonic_time ();
+
+    return (tim < ino->timestamp);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+struct vfs_s_inode *
+vfs_s_new_inode (struct vfs_class *me, struct vfs_s_super *super, struct stat *initstat)
+{
+    struct vfs_s_inode *ino;
+
+    ino = g_try_new0 (struct vfs_s_inode, 1);
+    if (ino == NULL)
+        return NULL;
+
+    if (initstat != NULL)
+        ino->st = *initstat;
+    ino->super = super;
+    ino->subdir = g_queue_new ();
+    ino->st.st_nlink = 0;
+    ino->st.st_ino = VFS_SUBCLASS (me)->inode_counter++;
+    ino->st.st_dev = VFS_SUBCLASS (me)->rdev;
+
+    super->ino_usage++;
+
+    CALL (init_inode) (me, ino);
+
+    return ino;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_s_free_inode (struct vfs_class *me, struct vfs_s_inode *ino)
+{
+    if (ino == NULL)
+        vfs_die ("Don't pass NULL to me");
+
+    /* ==0 can happen if freshly created entry is deleted */
+    if (ino->st.st_nlink > 1)
+    {
+        ino->st.st_nlink--;
+        return;
+    }
+
+    while (g_queue_get_length (ino->subdir) != 0)
+    {
+        struct vfs_s_entry *entry;
+
+        entry = VFS_ENTRY (g_queue_peek_head (ino->subdir));
+        vfs_s_free_entry (me, entry);
+    }
+
+    g_queue_free (ino->subdir);
+    ino->subdir = NULL;
+
+    CALL (free_inode) (me, ino);
+    g_free (ino->linkname);
+    if ((me->flags & VFSF_USETMP) != 0 && ino->localname != NULL)
+    {
+        unlink (ino->localname);
+        g_free (ino->localname);
+    }
+    ino->super->ino_usage--;
+    g_free (ino);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+struct vfs_s_entry *
+vfs_s_new_entry (struct vfs_class *me, const char *name, struct vfs_s_inode *inode)
+{
+    struct vfs_s_entry *entry;
+
+    entry = g_new0 (struct vfs_s_entry, 1);
+
+    entry->name = g_strdup (name);
+    entry->ino = inode;
+    entry->ino->ent = entry;
+    CALL (init_entry) (me, entry);
+
+    return entry;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_s_free_entry (struct vfs_class *me, struct vfs_s_entry *ent)
+{
+    if (ent->dir != NULL)
+        g_queue_remove (ent->dir->subdir, ent);
+
+    MC_PTR_FREE (ent->name);
+
+    if (ent->ino != NULL)
+    {
+        ent->ino->ent = NULL;
+        vfs_s_free_inode (me, ent->ino);
+    }
+
+    g_free (ent);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_s_insert_entry (struct vfs_class *me, struct vfs_s_inode *dir, struct vfs_s_entry *ent)
+{
+    (void) me;
+
+    ent->dir = dir;
+
+    ent->ino->st.st_nlink++;
+    g_queue_push_tail (dir->subdir, ent);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_entry_compare (const void *a, const void *b)
+{
+    const struct vfs_s_entry *e = (const struct vfs_s_entry *) a;
+    const char *name = (const char *) b;
+
+    return strcmp (e->name, name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+struct stat *
+vfs_s_default_stat (struct vfs_class *me, mode_t mode)
+{
+    static struct stat st;
+    mode_t myumask;
+
+    (void) me;
+
+    myumask = umask (022);
+    umask (myumask);
+    mode &= ~myumask;
+
+    st.st_mode = mode;
+    st.st_ino = 0;
+    st.st_dev = 0;
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+    st.st_rdev = 0;
+#endif
+    st.st_uid = getuid ();
+    st.st_gid = getgid ();
+#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
+    st.st_blksize = 512;
+#endif
+    st.st_size = 0;
+
+    st.st_mtime = st.st_atime = st.st_ctime = time (NULL);
+#ifdef HAVE_STRUCT_STAT_ST_MTIM
+    st.st_atim.tv_nsec = st.st_mtim.tv_nsec = st.st_ctim.tv_nsec = 0;
+#endif
+
+    vfs_adjust_stat (&st);
+
+    return &st;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculate number of st_blocks using st_size and st_blksize.
+ * In according to stat(2), st_blocks is the size in 512-byte units.
+ *
+ * @param s stat info
+ */
+
+void
+vfs_adjust_stat (struct stat *s)
+{
+#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
+    if (s->st_size == 0)
+        s->st_blocks = 0;
+    else
+    {
+#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
+        blkcnt_t ioblocks;
+        blksize_t ioblock_size;
+
+        /* 1. Calculate how many IO blocks are occupied */
+        ioblocks = 1 + (s->st_size - 1) / s->st_blksize;
+        /* 2. Calculate size of st_blksize in 512-byte units */
+        ioblock_size = 1 + (s->st_blksize - 1) / 512;
+        /* 3. Calculate number of blocks */
+        s->st_blocks = ioblocks * ioblock_size;
+#else
+        /* Let IO block size is 512 bytes */
+        s->st_blocks = 1 + (s->st_size - 1) / 512;
+#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
+    }
+#endif /* HAVE_STRUCT_STAT_ST_BLOCKS */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+struct vfs_s_entry *
+vfs_s_generate_entry (struct vfs_class *me, const char *name, struct vfs_s_inode *parent,
+                      mode_t mode)
+{
+    struct vfs_s_inode *inode;
+    struct stat *st;
+
+    st = vfs_s_default_stat (me, mode);
+    inode = vfs_s_new_inode (me, parent->super, st);
+
+    return vfs_s_new_entry (me, name, inode);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+struct vfs_s_inode *
+vfs_s_find_inode (struct vfs_class *me, const struct vfs_s_super *super,
+                  const char *path, int follow, int flags)
+{
+    struct vfs_s_entry *ent;
+
+    if (((me->flags & VFSF_REMOTE) == 0) && (*path == '\0'))
+        return super->root;
+
+    ent = VFS_SUBCLASS (me)->find_entry (me, super->root, path, follow, flags);
+    return (ent != NULL ? ent->ino : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Ook, these were functions around directory entries / inodes */
+/* -------------------------------- superblock games -------------------------- */
+/**
+ * get superlock object by vpath
+ *
+ * @param vpath path
+ * @return superlock object or NULL if not found
+ */
+
+struct vfs_s_super *
+vfs_get_super_by_vpath (const vfs_path_t * vpath)
+{
+    GList *iter;
+    void *cookie = NULL;
+    const vfs_path_element_t *path_element;
+    struct vfs_s_subclass *subclass;
+    struct vfs_s_super *super = NULL;
+    vfs_path_t *vpath_archive;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    subclass = VFS_SUBCLASS (path_element->class);
+
+    vpath_archive = vfs_path_clone (vpath);
+    vfs_path_remove_element_by_index (vpath_archive, -1);
+
+    if (subclass->archive_check != NULL)
+    {
+        cookie = subclass->archive_check (vpath_archive);
+        if (cookie == NULL)
+            goto ret;
+    }
+
+    if (subclass->archive_same == NULL)
+        goto ret;
+
+    for (iter = subclass->supers; iter != NULL; iter = g_list_next (iter))
+    {
+        int i;
+
+        super = VFS_SUPER (iter->data);
+
+        /* 0 == other, 1 == same, return it, 2 == other but stop scanning */
+        i = subclass->archive_same (path_element, super, vpath_archive, cookie);
+        if (i == 1)
+            goto ret;
+        if (i != 0)
+            break;
+
+        super = NULL;
+    }
+
+  ret:
+    vfs_path_free (vpath_archive, TRUE);
+    return super;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * get path from last VFS-element and create corresponding superblock
+ *
+ * @param vpath source path object
+ * @param archive pointer to object for store newly created superblock
+ * @param flags flags
+ *
+ * @return path from last VFS-element
+ */
+const char *
+vfs_s_get_path (const vfs_path_t * vpath, struct vfs_s_super **archive, int flags)
+{
+    const char *retval = "";
+    int result = -1;
+    struct vfs_s_super *super;
+    const vfs_path_element_t *path_element;
+    struct vfs_s_subclass *subclass;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    if (path_element->path != NULL)
+        retval = path_element->path;
+
+    super = vfs_get_super_by_vpath (vpath);
+    if (super != NULL)
+        goto return_success;
+
+    if ((flags & FL_NO_OPEN) != 0)
+    {
+        path_element->class->verrno = EIO;
+        return NULL;
+    }
+
+    subclass = VFS_SUBCLASS (path_element->class);
+
+    super = subclass->new_archive != NULL ?
+        subclass->new_archive (path_element->class) : vfs_s_new_super (path_element->class);
+
+    if (subclass->open_archive != NULL)
+    {
+        vfs_path_t *vpath_archive;
+
+        vpath_archive = vfs_path_clone (vpath);
+        vfs_path_remove_element_by_index (vpath_archive, -1);
+
+        result = subclass->open_archive (super, vpath_archive, path_element);
+        vfs_path_free (vpath_archive, TRUE);
+    }
+    if (result == -1)
+    {
+        vfs_s_free_super (path_element->class, super);
+        path_element->class->verrno = EIO;
+        return NULL;
+    }
+    if (super->name == NULL)
+        vfs_die ("You have to fill name\n");
+    if (super->root == NULL)
+        vfs_die ("You have to fill root inode\n");
+
+    vfs_s_insert_super (path_element->class, super);
+    vfs_stamp_create (path_element->class, super);
+
+  return_success:
+    *archive = super;
+    return retval;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_s_invalidate (struct vfs_class *me, struct vfs_s_super *super)
+{
+    if (!super->want_stale)
+    {
+        vfs_s_free_inode (me, super->root);
+        super->root = vfs_s_new_inode (me, super, vfs_s_default_stat (me, S_IFDIR | 0755));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+vfs_s_fullpath (struct vfs_class *me, struct vfs_s_inode *ino)
+{
+    if (ino->ent == NULL)
+        ERRNOR (EAGAIN, NULL);
+
+    if ((me->flags & VFSF_USETMP) == 0)
+    {
+        /* archives */
+        char *path;
+
+        path = g_strdup (ino->ent->name);
+
+        while (TRUE)
+        {
+            char *newpath;
+
+            ino = ino->ent->dir;
+            if (ino == ino->super->root)
+                break;
+
+            newpath = g_strconcat (ino->ent->name, PATH_SEP_STR, path, (char *) NULL);
+            g_free (path);
+            path = newpath;
+        }
+        return path;
+    }
+
+    /* remote systems */
+    if (ino->ent->dir == NULL || ino->ent->dir->ent == NULL)
+        return g_strdup (ino->ent->name);
+
+    return g_strconcat (ino->ent->dir->ent->name, PATH_SEP_STR, ino->ent->name, (char *) NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_s_init_fh (vfs_file_handler_t * fh, struct vfs_s_inode *ino, gboolean changed)
+{
+    fh->ino = ino;
+    fh->handle = -1;
+    fh->changed = changed;
+    fh->linear = LS_NOT_LINEAR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* --------------------------- stat and friends ---------------------------- */
+
+void *
+vfs_s_open (const vfs_path_t * vpath, int flags, mode_t mode)
+{
+    gboolean was_changed = FALSE;
+    vfs_file_handler_t *fh;
+    struct vfs_s_super *super;
+    const char *q;
+    struct vfs_s_inode *ino;
+    const vfs_path_element_t *path_element;
+    struct vfs_s_subclass *s;
+
+    q = vfs_s_get_path (vpath, &super, 0);
+    if (q == NULL)
+        return NULL;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    ino = vfs_s_find_inode (path_element->class, super, q, LINK_FOLLOW, FL_NONE);
+    if (ino != NULL && (flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
+    {
+        path_element->class->verrno = EEXIST;
+        return NULL;
+    }
+
+    s = VFS_SUBCLASS (path_element->class);
+
+    if (ino == NULL)
+    {
+        char *dirname, *name;
+        struct vfs_s_entry *ent;
+        struct vfs_s_inode *dir;
+
+        /* If the filesystem is read-only, disable file creation */
+        if ((flags & O_CREAT) == 0 || path_element->class->write == NULL)
+            return NULL;
+
+        dirname = g_path_get_dirname (q);
+        dir = vfs_s_find_inode (path_element->class, super, dirname, LINK_FOLLOW, FL_DIR);
+        g_free (dirname);
+        if (dir == NULL)
+            return NULL;
+
+        name = g_path_get_basename (q);
+        ent = vfs_s_generate_entry (path_element->class, name, dir, 0755);
+        ino = ent->ino;
+        vfs_s_insert_entry (path_element->class, dir, ent);
+        if ((VFS_CLASS (s)->flags & VFSF_USETMP) != 0)
+        {
+            int tmp_handle;
+            vfs_path_t *tmp_vpath;
+
+            tmp_handle = vfs_mkstemps (&tmp_vpath, path_element->class->name, name);
+            ino->localname = vfs_path_free (tmp_vpath, FALSE);
+            if (tmp_handle == -1)
+            {
+                g_free (name);
+                return NULL;
+            }
+
+            close (tmp_handle);
+        }
+
+        g_free (name);
+        was_changed = TRUE;
+    }
+
+    if (S_ISDIR (ino->st.st_mode))
+    {
+        path_element->class->verrno = EISDIR;
+        return NULL;
+    }
+
+    fh = s->fh_new != NULL ? s->fh_new (ino, was_changed) : vfs_s_new_fh (ino, was_changed);
+
+    if (IS_LINEAR (flags))
+    {
+        if (s->linear_start != NULL)
+        {
+            vfs_print_message ("%s", _("Starting linear transfer..."));
+            fh->linear = LS_LINEAR_PREOPEN;
+        }
+    }
+    else
+    {
+        if (s->fh_open != NULL && s->fh_open (path_element->class, fh, flags, mode) != 0)
+        {
+            vfs_s_free_fh (s, fh);
+            return NULL;
+        }
+    }
+
+    if ((VFS_CLASS (s)->flags & VFSF_USETMP) != 0 && fh->ino->localname != NULL)
+    {
+        fh->handle = open (fh->ino->localname, NO_LINEAR (flags), mode);
+        if (fh->handle == -1)
+        {
+            vfs_s_free_fh (s, fh);
+            path_element->class->verrno = errno;
+            return NULL;
+        }
+    }
+
+    /* i.e. we had no open files and now we have one */
+    vfs_rmstamp (path_element->class, (vfsid) super);
+    super->fd_usage++;
+    fh->ino->st.st_nlink++;
+    return fh;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_stat (const vfs_path_t * vpath, struct stat *buf)
+{
+    return vfs_s_internal_stat (vpath, buf, FL_FOLLOW);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_lstat (const vfs_path_t * vpath, struct stat *buf)
+{
+    return vfs_s_internal_stat (vpath, buf, FL_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_fstat (void *fh, struct stat *buf)
+{
+    *buf = VFS_FILE_HANDLER (fh)->ino->st;
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_retrieve_file (struct vfs_class *me, struct vfs_s_inode *ino)
+{
+    /* If you want reget, you'll have to open file with O_LINEAR */
+    off_t total = 0;
+    char buffer[8192];
+    int handle;
+    ssize_t n;
+    off_t stat_size = ino->st.st_size;
+    vfs_file_handler_t *fh = NULL;
+    vfs_path_t *tmp_vpath;
+    struct vfs_s_subclass *s = VFS_SUBCLASS (me);
+
+    if ((me->flags & VFSF_USETMP) == 0)
+        return (-1);
+
+    handle = vfs_mkstemps (&tmp_vpath, me->name, ino->ent->name);
+    ino->localname = vfs_path_free (tmp_vpath, FALSE);
+    if (handle == -1)
+    {
+        me->verrno = errno;
+        goto error_4;
+    }
+
+    fh = s->fh_new != NULL ? s->fh_new (ino, FALSE) : vfs_s_new_fh (ino, FALSE);
+
+    if (s->linear_start (me, fh, 0) == 0)
+        goto error_3;
+
+    /* Clear the interrupt status */
+    tty_got_interrupt ();
+    tty_enable_interrupt_key ();
+
+    while ((n = s->linear_read (me, fh, buffer, sizeof (buffer))) != 0)
+    {
+        int t;
+
+        if (n < 0)
+            goto error_1;
+
+        total += n;
+        vfs_s_print_stats (me->name, _("Getting file"), ino->ent->name, total, stat_size);
+
+        if (tty_got_interrupt ())
+            goto error_1;
+
+        t = write (handle, buffer, n);
+        if (t != n)
+        {
+            if (t == -1)
+                me->verrno = errno;
+            goto error_1;
+        }
+    }
+    s->linear_close (me, fh);
+    close (handle);
+
+    tty_disable_interrupt_key ();
+    vfs_s_free_fh (s, fh);
+    return 0;
+
+  error_1:
+    s->linear_close (me, fh);
+  error_3:
+    tty_disable_interrupt_key ();
+    close (handle);
+    unlink (ino->localname);
+  error_4:
+    MC_PTR_FREE (ino->localname);
+    if (fh != NULL)
+        vfs_s_free_fh (s, fh);
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* ----------------------------- Stamping support -------------------------- */
+
+/* Initialize one of our subclasses - fill common functions */
+void
+vfs_init_class (struct vfs_class *vclass, const char *name, vfs_flags_t flags, const char *prefix)
+{
+    memset (vclass, 0, sizeof (struct vfs_class));
+
+    vclass->name = name;
+    vclass->flags = flags;
+    vclass->prefix = prefix;
+
+    vclass->fill_names = vfs_s_fill_names;
+    vclass->open = vfs_s_open;
+    vclass->close = vfs_s_close;
+    vclass->read = vfs_s_read;
+    if ((vclass->flags & VFSF_READONLY) == 0)
+        vclass->write = vfs_s_write;
+    vclass->opendir = vfs_s_opendir;
+    vclass->readdir = vfs_s_readdir;
+    vclass->closedir = vfs_s_closedir;
+    vclass->stat = vfs_s_stat;
+    vclass->lstat = vfs_s_lstat;
+    vclass->fstat = vfs_s_fstat;
+    vclass->readlink = vfs_s_readlink;
+    vclass->chdir = vfs_s_chdir;
+    vclass->ferrno = vfs_s_ferrno;
+    vclass->lseek = vfs_s_lseek;
+    vclass->getid = vfs_s_getid;
+    vclass->nothingisopen = vfs_s_nothingisopen;
+    vclass->free = vfs_s_free;
+    vclass->setctl = vfs_s_setctl;
+    if ((vclass->flags & VFSF_USETMP) != 0)
+    {
+        vclass->getlocalcopy = vfs_s_getlocalcopy;
+        vclass->ungetlocalcopy = vfs_s_ungetlocalcopy;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_init_subclass (struct vfs_s_subclass *sub, const char *name, vfs_flags_t flags,
+                   const char *prefix)
+{
+    struct vfs_class *vclass = VFS_CLASS (sub);
+    size_t len;
+    char *start;
+
+    vfs_init_class (vclass, name, flags, prefix);
+
+    len = sizeof (struct vfs_s_subclass) - sizeof (struct vfs_class);
+    start = (char *) sub + sizeof (struct vfs_class);
+    memset (start, 0, len);
+
+    if ((vclass->flags & VFSF_USETMP) != 0)
+        sub->find_entry = vfs_s_find_entry_linear;
+    else if ((vclass->flags & VFSF_REMOTE) != 0)
+        sub->find_entry = vfs_s_find_entry_linear;
+    else
+        sub->find_entry = vfs_s_find_entry_tree;
+    sub->dir_uptodate = vfs_s_dir_uptodate;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Find VFS id for given directory name */
+
+vfsid
+vfs_getid (const vfs_path_t * vpath)
+{
+    const vfs_path_element_t *path_element;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (!vfs_path_element_valid (path_element) || path_element->class->getid == NULL)
+        return NULL;
+
+    return (*path_element->class->getid) (vpath);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* ----------- Utility functions for networked filesystems  -------------- */
+
+#ifdef ENABLE_VFS_NET
+int
+vfs_s_select_on_two (int fd1, int fd2)
+{
+    fd_set set;
+    struct timeval time_out;
+    int v;
+    int maxfd = MAX (fd1, fd2) + 1;
+
+    time_out.tv_sec = 1;
+    time_out.tv_usec = 0;
+    FD_ZERO (&set);
+    FD_SET (fd1, &set);
+    FD_SET (fd2, &set);
+
+    v = select (maxfd, &set, 0, 0, &time_out);
+    if (v <= 0)
+        return v;
+    if (FD_ISSET (fd1, &set))
+        return 1;
+    if (FD_ISSET (fd2, &set))
+        return 2;
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_get_line (struct vfs_class *me, int sock, char *buf, int buf_len, char term)
+{
+    FILE *logfile = me->logfile;
+    int i;
+    char c;
+
+    for (i = 0; i < buf_len - 1; i++, buf++)
+    {
+        if (read (sock, buf, sizeof (char)) <= 0)
+            return 0;
+
+        if (logfile != NULL)
+        {
+            size_t ret1;
+            int ret2;
+
+            ret1 = fwrite (buf, 1, 1, logfile);
+            ret2 = fflush (logfile);
+            (void) ret1;
+            (void) ret2;
+        }
+
+        if (*buf == term)
+        {
+            *buf = '\0';
+            return 1;
+        }
+    }
+
+    /* Line is too long - terminate buffer and discard the rest of line */
+    *buf = '\0';
+    while (read (sock, &c, sizeof (c)) > 0)
+    {
+        if (logfile != NULL)
+        {
+            size_t ret1;
+            int ret2;
+
+            ret1 = fwrite (&c, 1, 1, logfile);
+            ret2 = fflush (logfile);
+            (void) ret1;
+            (void) ret2;
+        }
+        if (c == '\n')
+            return 1;
+    }
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_s_get_line_interruptible (struct vfs_class *me, char *buffer, int size, int fd)
+{
+    int i;
+    int res = 0;
+
+    (void) me;
+
+    tty_enable_interrupt_key ();
+
+    for (i = 0; i < size - 1; i++)
+    {
+        ssize_t n;
+
+        n = read (fd, &buffer[i], 1);
+        if (n == -1 && errno == EINTR)
+        {
+            buffer[i] = '\0';
+            res = EINTR;
+            goto ret;
+        }
+        if (n == 0)
+        {
+            buffer[i] = '\0';
+            goto ret;
+        }
+        if (buffer[i] == '\n')
+        {
+            buffer[i] = '\0';
+            res = 1;
+            goto ret;
+        }
+    }
+
+    buffer[size - 1] = '\0';
+
+  ret:
+    tty_disable_interrupt_key ();
+
+    return res;
+}
+#endif /* ENABLE_VFS_NET */
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Normalize filenames start position
+ */
+
+void
+vfs_s_normalize_filename_leading_spaces (struct vfs_s_inode *root_inode, size_t final_num_spaces)
+{
+    GList *iter;
+
+    for (iter = g_queue_peek_head_link (root_inode->subdir); iter != NULL;
+         iter = g_list_next (iter))
+    {
+        struct vfs_s_entry *entry = VFS_ENTRY (iter->data);
+
+        if ((size_t) entry->leading_spaces > final_num_spaces)
+        {
+            char *source_name, *spacer;
+
+            source_name = entry->name;
+            spacer = g_strnfill ((size_t) entry->leading_spaces - final_num_spaces, ' ');
+            entry->name = g_strconcat (spacer, source_name, (char *) NULL);
+            g_free (spacer);
+            g_free (source_name);
+        }
+
+        entry->leading_spaces = -1;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/gc.c b/lib/vfs/gc.c
new file mode 100644
index 0000000..5ff74fd
--- /dev/null
+++ b/lib/vfs/gc.c
@@ -0,0 +1,332 @@
+/*
+   Virtual File System garbage collection code
+
+   Copyright (C) 2003-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Miguel de Icaza, 1995
+   Jakub Jelinek, 1995
+   Pavel Machek, 1998
+   Pavel Roskin, 2003
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System: garbage collection code
+ * \author Miguel de Icaza
+ * \author Jakub Jelinek
+ * \author Pavel Machek
+ * \author Pavel Roskin
+ * \date 1995, 1998, 2003
+ */
+
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/event.h"
+#include "lib/util.h"           /* MC_PTR_FREE */
+
+#include "vfs.h"
+#include "utilvfs.h"
+
+#include "gc.h"
+
+/*
+ * The garbage collection mechanism is based on "stamps".
+ *
+ * A stamp is a record that says "I'm a filesystem which is no longer in
+ * use. Free me when you get a chance."
+ *
+ * This file contains a set of functions used for managing this stamp. You
+ * should use them when you write your own filesystem. Here are some rules
+ * of thumb:
+ *
+ * (1) When the last open file in your filesystem gets closed, conditionally
+ *     create a stamp. You do this with vfs_stamp_create(). (The meaning
+ *     of "conditionaly" is explained below.)
+ *
+ * (2) When a file in your filesystem is opened, delete the stamp. You do
+ *     this with vfs_rmstamp().
+ *
+ * (3) When a path inside your filesystem is invoked, call vfs_stamp() to
+ *     postpone the free'ing of your filesystem a bit. (This simply updates
+ *     a timestamp variable inside the stamp.)
+ *
+ * Additionally, when a user navigates to a new directory in a panel (or a
+ * programmer uses mc_chdir()), a stamp is conditionally created for the
+ * previous directory's filesystem. This ensures that that filesystem is
+ * free'ed. (see: _do_panel_cd() -> vfs_release_path(); mc_chdir()).
+ *
+ * We've spoken here of "conditionally creating" a stamp. What we mean is
+ * that vfs_stamp_create() is to be used: this function creates a stamp
+ * only if no directories are open (aka "active") in your filesystem. (If
+ * there _are_ directories open, it means that the filesystem is in use, in
+ * which case we don't want to free it.)
+ */
+
+/*** global variables ****************************************************************************/
+
+int vfs_timeout = 60;           /* VFS timeout in seconds */
+
+/*** file scope macro definitions ****************************************************************/
+
+#define VFS_STAMPING(a) ((struct vfs_stamping *)(a))
+
+/*** file scope type declarations ****************************************************************/
+
+struct vfs_stamping
+{
+    struct vfs_class *v;
+    vfsid id;
+    gint64 time;
+};
+
+/*** file scope variables ************************************************************************/
+
+static GSList *stamps = NULL;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gint
+vfs_stamp_compare (gconstpointer a, gconstpointer b)
+{
+    const struct vfs_stamping *vsa = (const struct vfs_stamping *) a;
+    const struct vfs_stamping *vsb = (const struct vfs_stamping *) b;
+
+    return (vsa == NULL || vsb == NULL || (vsa->v == vsb->v && vsa->id == vsb->id)) ? 0 : 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+vfs_addstamp (struct vfs_class *v, vfsid id)
+{
+    if ((v->flags & VFSF_LOCAL) == 0 && id != NULL && !vfs_stamp (v, id))
+    {
+        struct vfs_stamping *stamp;
+
+        stamp = g_new (struct vfs_stamping, 1);
+        stamp->v = v;
+        stamp->id = id;
+        stamp->time = g_get_monotonic_time ();
+
+        stamps = g_slist_append (stamps, stamp);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_stamp (struct vfs_class *v, vfsid id)
+{
+    struct vfs_stamping what = {
+        .v = v,
+        .id = id
+    };
+    GSList *stamp;
+    gboolean ret = FALSE;
+
+    stamp = g_slist_find_custom (stamps, &what, vfs_stamp_compare);
+    if (stamp != NULL && stamp->data != NULL)
+    {
+        VFS_STAMPING (stamp->data)->time = g_get_monotonic_time ();
+        ret = TRUE;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_rmstamp (struct vfs_class *v, vfsid id)
+{
+    struct vfs_stamping what = {
+        .v = v,
+        .id = id
+    };
+    GSList *stamp;
+
+    stamp = g_slist_find_custom (stamps, &what, vfs_stamp_compare);
+    if (stamp != NULL)
+    {
+        g_free (stamp->data);
+        stamps = g_slist_delete_link (stamps, stamp);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_stamp_path (const vfs_path_t * vpath)
+{
+    vfsid id;
+    const vfs_path_element_t *path_element;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    id = vfs_getid (vpath);
+    vfs_addstamp (path_element->class, id);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create a new timestamp item by VFS class and VFS id.
+ */
+
+void
+vfs_stamp_create (struct vfs_class *vclass, vfsid id)
+{
+    vfsid nvfsid;
+
+    ev_vfs_stamp_create_t event_data = { vclass, id, FALSE };
+    const vfs_path_t *vpath;
+    const vfs_path_element_t *path_element;
+
+    /* There are three directories we have to take care of: current_dir,
+       current_panel->cwd and other_panel->cwd. Athough most of the time either
+       current_dir and current_panel->cwd or current_dir and other_panel->cwd are the
+       same, it's possible that all three are different -- Norbert */
+
+    if (!mc_event_present (MCEVENT_GROUP_CORE, "vfs_timestamp"))
+        return;
+
+    vpath = vfs_get_raw_current_dir ();
+    path_element = vfs_path_get_by_index (vpath, -1);
+
+    nvfsid = vfs_getid (vpath);
+    vfs_rmstamp (path_element->class, nvfsid);
+
+    if (!(id == NULL || (path_element->class == vclass && nvfsid == id)))
+    {
+        mc_event_raise (MCEVENT_GROUP_CORE, "vfs_timestamp", (gpointer) & event_data);
+
+        if (!event_data.ret && vclass != NULL && vclass->nothingisopen != NULL
+            && vclass->nothingisopen (id))
+            vfs_addstamp (vclass, id);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** This is called from timeout handler with now = FALSE,
+    or can be called with now = TRUE to force freeing all filesystems */
+
+void
+vfs_expire (gboolean now)
+{
+    static gboolean locked = FALSE;
+    gint64 curr_time, exp_time;
+    GSList *stamp;
+
+    /* Avoid recursive invocation, e.g. when one of the free functions
+       calls message */
+    if (locked)
+        return;
+    locked = TRUE;
+
+    curr_time = g_get_monotonic_time ();
+    exp_time = curr_time - vfs_timeout * G_USEC_PER_SEC;
+
+    if (now)
+    {
+        /* reverse list to free nested VFSes at first */
+        stamps = g_slist_reverse (stamps);
+    }
+
+    /* NULLize stamps that point to expired VFS */
+    for (stamp = stamps; stamp != NULL; stamp = g_slist_next (stamp))
+    {
+        struct vfs_stamping *stamping = VFS_STAMPING (stamp->data);
+
+        if (now)
+        {
+            /* free VFS forced */
+            if (stamping->v->free != NULL)
+                stamping->v->free (stamping->id);
+            MC_PTR_FREE (stamp->data);
+        }
+        else if (stamping->time <= exp_time)
+        {
+            /* update timestamp of VFS that is in use, or free unused VFS */
+            if (stamping->v->nothingisopen != NULL && !stamping->v->nothingisopen (stamping->id))
+                stamping->time = curr_time;
+            else
+            {
+                if (stamping->v->free != NULL)
+                    stamping->v->free (stamping->id);
+                MC_PTR_FREE (stamp->data);
+            }
+        }
+    }
+
+    /* then remove NULLized stamps */
+    stamps = g_slist_remove_all (stamps, NULL);
+
+    locked = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Return the number of seconds remaining to the vfs timeout.
+ * FIXME: The code should be improved to actually return the number of
+ * seconds until the next item times out.
+ */
+
+int
+vfs_timeouts (void)
+{
+    return stamps != NULL ? 10 : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_timeout_handler (void)
+{
+    vfs_expire (FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_release_path (const vfs_path_t * vpath)
+{
+    const vfs_path_element_t *path_element;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    vfs_stamp_create (path_element->class, vfs_getid (vpath));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Free all data */
+
+void
+vfs_gc_done (void)
+{
+    vfs_expire (TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/gc.h b/lib/vfs/gc.h
new file mode 100644
index 0000000..59fa5ec
--- /dev/null
+++ b/lib/vfs/gc.h
@@ -0,0 +1,27 @@
+/**
+ * \file
+ * \brief Header: Virtual File System: garbage collection code
+ */
+
+#ifndef MC__VFS_GC_H
+#define MC__VFS_GC_H
+
+#include "vfs.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+gboolean vfs_stamp (struct vfs_class *vclass, vfsid id);
+void vfs_rmstamp (struct vfs_class *vclass, vfsid id);
+void vfs_stamp_create (struct vfs_class *vclass, vfsid id);
+void vfs_gc_done (void);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_VFS_GC_H */
diff --git a/lib/vfs/interface.c b/lib/vfs/interface.c
new file mode 100644
index 0000000..b5e529f
--- /dev/null
+++ b/lib/vfs/interface.c
@@ -0,0 +1,923 @@
+/*
+   Virtual File System: interface functions
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011, 2013
+   Andrew Borodin <aborodin@vmail.ru>, 2011-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System: path handlers
+ * \author Slava Zanko
+ * \date 2011
+ */
+
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>             /* For atol() */
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <ctype.h>              /* is_digit() */
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include "lib/global.h"
+
+#include "lib/widget.h"         /* message() */
+#include "lib/strutil.h"        /* str_crt_conv_from() */
+#include "lib/util.h"
+
+#include "vfs.h"
+#include "utilvfs.h"
+#include "path.h"
+#include "gc.h"
+#include "xdirentry.h"
+
+/* TODO: move it to separate private .h */
+extern GString *vfs_str_buffer;
+extern vfs_class *current_vfs;
+extern struct vfs_dirent *mc_readdir_result;
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static vfs_path_t *
+mc_def_getlocalcopy (const vfs_path_t * filename_vpath)
+{
+    vfs_path_t *tmp_vpath = NULL;
+    int fdin, fdout = -1;
+    ssize_t i;
+    char buffer[BUF_1K * 8];
+    struct stat mystat;
+
+    fdin = mc_open (filename_vpath, O_RDONLY | O_LINEAR);
+    if (fdin == -1)
+        goto fail;
+
+    fdout = vfs_mkstemps (&tmp_vpath, "vfs", vfs_path_get_last_path_str (filename_vpath));
+    if (fdout == -1)
+        goto fail;
+
+    while ((i = mc_read (fdin, buffer, sizeof (buffer))) > 0)
+    {
+        if (write (fdout, buffer, i) != i)
+            goto fail;
+    }
+    if (i == -1)
+        goto fail;
+    i = mc_close (fdin);
+    fdin = -1;
+    if (i == -1)
+        goto fail;
+
+    i = close (fdout);
+    fdout = -1;
+    if (i == -1)
+        goto fail;
+
+    if (mc_stat (filename_vpath, &mystat) != -1)
+        mc_chmod (tmp_vpath, mystat.st_mode);
+
+    return tmp_vpath;
+
+  fail:
+    vfs_path_free (tmp_vpath, TRUE);
+    if (fdout != -1)
+        close (fdout);
+    if (fdin != -1)
+        mc_close (fdin);
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_def_ungetlocalcopy (const vfs_path_t * filename_vpath,
+                       const vfs_path_t * local_vpath, gboolean has_changed)
+{
+    int fdin = -1, fdout = -1;
+    const char *local;
+
+    local = vfs_path_get_last_path_str (local_vpath);
+
+    if (has_changed)
+    {
+        char buffer[BUF_1K * 8];
+        ssize_t i;
+
+        if (vfs_path_get_last_path_vfs (filename_vpath)->write == NULL)
+            goto failed;
+
+        fdin = open (local, O_RDONLY);
+        if (fdin == -1)
+            goto failed;
+        fdout = mc_open (filename_vpath, O_WRONLY | O_TRUNC);
+        if (fdout == -1)
+            goto failed;
+        while ((i = read (fdin, buffer, sizeof (buffer))) > 0)
+            if (mc_write (fdout, buffer, (size_t) i) != i)
+                goto failed;
+        if (i == -1)
+            goto failed;
+
+        if (close (fdin) == -1)
+        {
+            fdin = -1;
+            goto failed;
+        }
+        fdin = -1;
+        if (mc_close (fdout) == -1)
+        {
+            fdout = -1;
+            goto failed;
+        }
+    }
+    unlink (local);
+    return 0;
+
+  failed:
+    message (D_ERROR, _("Changes to file lost"), "%s", vfs_path_get_last_path_str (filename_vpath));
+    if (fdout != -1)
+        mc_close (fdout);
+    if (fdin != -1)
+        close (fdin);
+    unlink (local);
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_open (const vfs_path_t * vpath, int flags, ...)
+{
+    int result = -1;
+    mode_t mode = 0;
+    const vfs_path_element_t *path_element;
+
+    if (vpath == NULL)
+        return (-1);
+
+    /* Get the mode flag */
+    if ((flags & O_CREAT) != 0)
+    {
+        va_list ap;
+
+        va_start (ap, flags);
+        /* We have to use PROMOTED_MODE_T instead of mode_t. Doing 'va_arg (ap, mode_t)'
+         * fails on systems where 'mode_t' is smaller than 'int' because of C's "default
+         * argument promotions". */
+        mode = va_arg (ap, PROMOTED_MODE_T);
+        va_end (ap);
+    }
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (vfs_path_element_valid (path_element) && path_element->class->open != NULL)
+    {
+        void *info;
+
+        /* open must be supported */
+        info = path_element->class->open (vpath, flags, mode);
+        if (info == NULL)
+            errno = vfs_ferrno (path_element->class);
+        else
+            result = vfs_new_handle (path_element->class, info);
+    }
+    else
+        errno = ENOTSUP;
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* *INDENT-OFF* */
+
+#define MC_NAMEOP(name, inarg, callarg) \
+int mc_##name inarg \
+{ \
+    int result; \
+    const vfs_path_element_t *path_element; \
+\
+    if (vpath == NULL) \
+        return (-1); \
+\
+    path_element = vfs_path_get_by_index (vpath, -1); \
+    if (!vfs_path_element_valid (path_element)) \
+        return (-1); \
+\
+    result = path_element->class->name != NULL ? path_element->class->name callarg : -1; \
+    if (result == -1) \
+        errno = path_element->class->name != NULL ? vfs_ferrno (path_element->class) : ENOTSUP; \
+    return result; \
+}
+
+MC_NAMEOP (chmod, (const vfs_path_t *vpath, mode_t mode), (vpath, mode))
+MC_NAMEOP (chown, (const vfs_path_t *vpath, uid_t owner, gid_t group), (vpath, owner, group))
+MC_NAMEOP (utime, (const vfs_path_t *vpath, mc_timesbuf_t * times), (vpath, times))
+MC_NAMEOP (readlink, (const vfs_path_t *vpath, char *buf, size_t bufsiz), (vpath, buf, bufsiz))
+MC_NAMEOP (unlink, (const vfs_path_t *vpath), (vpath))
+MC_NAMEOP (mkdir, (const vfs_path_t *vpath, mode_t mode), (vpath, mode))
+MC_NAMEOP (rmdir, (const vfs_path_t *vpath), (vpath))
+MC_NAMEOP (mknod, (const vfs_path_t *vpath, mode_t mode, dev_t dev), (vpath, mode, dev))
+
+/* *INDENT-ON* */
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_symlink (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
+{
+    int result = -1;
+
+    if (vpath1 != NULL && vpath2 != NULL)
+    {
+        const vfs_path_element_t *path_element;
+
+        path_element = vfs_path_get_by_index (vpath2, -1);
+        if (vfs_path_element_valid (path_element))
+        {
+            result =
+                path_element->class->symlink != NULL ?
+                path_element->class->symlink (vpath1, vpath2) : -1;
+
+            if (result == -1)
+                errno =
+                    path_element->class->symlink != NULL ?
+                    vfs_ferrno (path_element->class) : ENOTSUP;
+        }
+    }
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* *INDENT-OFF* */
+
+#define MC_HANDLEOP(name) \
+ssize_t mc_##name (int handle, C void *buf, size_t count) \
+{ \
+    struct vfs_class *vfs; \
+    void *fsinfo = NULL; \
+    int result; \
+\
+    if (handle == -1) \
+        return (-1); \
+\
+    vfs = vfs_class_find_by_handle (handle, &fsinfo); \
+    if (vfs == NULL) \
+        return (-1); \
+\
+    result = vfs->name != NULL ? vfs->name (fsinfo, buf, count) : -1; \
+    if (result == -1) \
+        errno = vfs->name != NULL ? vfs_ferrno (vfs) : ENOTSUP; \
+    return result; \
+}
+
+#define C
+MC_HANDLEOP (read)
+#undef C
+#define C const
+MC_HANDLEOP (write)
+#undef C
+
+/* --------------------------------------------------------------------------------------------- */
+
+#define MC_RENAMEOP(name) \
+int mc_##name (const vfs_path_t *vpath1, const vfs_path_t *vpath2) \
+{ \
+    int result; \
+    const vfs_path_element_t *path_element1; \
+    const vfs_path_element_t *path_element2; \
+\
+    if (vpath1 == NULL || vpath2 == NULL) \
+        return (-1); \
+\
+    path_element1 = vfs_path_get_by_index (vpath1, (-1)); \
+    path_element2 = vfs_path_get_by_index (vpath2, (-1)); \
+\
+    if (!vfs_path_element_valid (path_element1) || !vfs_path_element_valid (path_element2) || \
+        path_element1->class != path_element2->class) \
+    { \
+        errno = EXDEV; \
+        return (-1); \
+    } \
+\
+    result = path_element1->class->name != NULL \
+        ? path_element1->class->name (vpath1, vpath2) : -1; \
+    if (result == -1) \
+        errno = path_element1->class->name != NULL ? vfs_ferrno (path_element1->class) : ENOTSUP; \
+    return result; \
+}
+
+MC_RENAMEOP (link)
+MC_RENAMEOP (rename)
+
+/* *INDENT-ON* */
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_ctl (int handle, int ctlop, void *arg)
+{
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+
+    vfs = vfs_class_find_by_handle (handle, &fsinfo);
+
+    return (vfs == NULL || vfs->ctl == NULL) ? 0 : vfs->ctl (fsinfo, ctlop, arg);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_setctl (const vfs_path_t * vpath, int ctlop, void *arg)
+{
+    int result = -1;
+    const vfs_path_element_t *path_element;
+
+    if (vpath == NULL)
+        vfs_die ("You don't want to pass NULL to mc_setctl.");
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (vfs_path_element_valid (path_element))
+        result =
+            path_element->class->setctl != NULL ? path_element->class->setctl (vpath,
+                                                                               ctlop, arg) : 0;
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_close (int handle)
+{
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+    int result;
+
+    if (handle == -1)
+        return (-1);
+
+    vfs = vfs_class_find_by_handle (handle, &fsinfo);
+    if (vfs == NULL || fsinfo == NULL)
+        return (-1);
+
+    if (handle < 3)
+        return close (handle);
+
+    if (vfs->close == NULL)
+        vfs_die ("VFS must support close.\n");
+    result = vfs->close (fsinfo);
+    vfs_free_handle (handle);
+    if (result == -1)
+        errno = vfs_ferrno (vfs);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+DIR *
+mc_opendir (const vfs_path_t * vpath)
+{
+    int handle, *handlep;
+    void *info;
+    vfs_path_element_t *path_element;
+
+    if (vpath == NULL)
+        return NULL;
+
+    path_element = (vfs_path_element_t *) vfs_path_get_by_index (vpath, -1);
+    if (!vfs_path_element_valid (path_element))
+    {
+        errno = ENOTSUP;
+        return NULL;
+    }
+
+    info = path_element->class->opendir ? path_element->class->opendir (vpath) : NULL;
+    if (info == NULL)
+    {
+        errno = path_element->class->opendir ? vfs_ferrno (path_element->class) : ENOTSUP;
+        return NULL;
+    }
+
+    path_element->dir.info = info;
+
+#ifdef HAVE_CHARSET
+    path_element->dir.converter = (path_element->encoding != NULL) ?
+        str_crt_conv_from (path_element->encoding) : str_cnv_from_term;
+    if (path_element->dir.converter == INVALID_CONV)
+        path_element->dir.converter = str_cnv_from_term;
+#endif
+
+    handle = vfs_new_handle (path_element->class, vfs_path_element_clone (path_element));
+
+    handlep = g_new (int, 1);
+    *handlep = handle;
+    return (DIR *) handlep;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+struct vfs_dirent *
+mc_readdir (DIR * dirp)
+{
+    int handle;
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+    struct vfs_dirent *entry = NULL;
+    vfs_path_element_t *vfs_path_element;
+
+    if (dirp == NULL)
+    {
+        errno = EFAULT;
+        return NULL;
+    }
+
+    handle = *(int *) dirp;
+
+    vfs = vfs_class_find_by_handle (handle, &fsinfo);
+    if (vfs == NULL || fsinfo == NULL)
+        return NULL;
+
+    vfs_path_element = (vfs_path_element_t *) fsinfo;
+    if (vfs->readdir != NULL)
+    {
+        entry = vfs->readdir (vfs_path_element->dir.info);
+        if (entry == NULL)
+            return NULL;
+
+        g_string_set_size (vfs_str_buffer, 0);
+#ifdef HAVE_CHARSET
+        str_vfs_convert_from (vfs_path_element->dir.converter, entry->d_name, vfs_str_buffer);
+#else
+        g_string_assign (vfs_str_buffer, entry->d_name);
+#endif
+        vfs_dirent_assign (mc_readdir_result, vfs_str_buffer->str, entry->d_ino);
+        vfs_dirent_free (entry);
+    }
+    if (entry == NULL)
+        errno = vfs->readdir ? vfs_ferrno (vfs) : ENOTSUP;
+    return (entry != NULL) ? mc_readdir_result : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_closedir (DIR * dirp)
+{
+    int handle;
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+    int result = -1;
+
+    if (dirp == NULL)
+        return result;
+
+    handle = *(int *) dirp;
+
+    vfs = vfs_class_find_by_handle (handle, &fsinfo);
+    if (vfs != NULL && fsinfo != NULL)
+    {
+        vfs_path_element_t *vfs_path_element = (vfs_path_element_t *) fsinfo;
+
+#ifdef HAVE_CHARSET
+        if (vfs_path_element->dir.converter != str_cnv_from_term)
+        {
+            str_close_conv (vfs_path_element->dir.converter);
+            vfs_path_element->dir.converter = INVALID_CONV;
+        }
+#endif
+
+        result = vfs->closedir ? (*vfs->closedir) (vfs_path_element->dir.info) : -1;
+        vfs_free_handle (handle);
+        vfs_path_element_free (vfs_path_element);
+    }
+    g_free (dirp);
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_stat (const vfs_path_t * vpath, struct stat *buf)
+{
+    int result = -1;
+    const vfs_path_element_t *path_element;
+
+    if (vpath == NULL)
+        return (-1);
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (vfs_path_element_valid (path_element))
+    {
+        result = path_element->class->stat ? path_element->class->stat (vpath, buf) : -1;
+        if (result == -1)
+            errno = path_element->class->name ? vfs_ferrno (path_element->class) : ENOTSUP;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_lstat (const vfs_path_t * vpath, struct stat *buf)
+{
+    int result = -1;
+    const vfs_path_element_t *path_element;
+
+    if (vpath == NULL)
+        return (-1);
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (vfs_path_element_valid (path_element))
+    {
+        result = path_element->class->lstat ? path_element->class->lstat (vpath, buf) : -1;
+        if (result == -1)
+            errno = path_element->class->name ? vfs_ferrno (path_element->class) : ENOTSUP;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_fstat (int handle, struct stat *buf)
+{
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+    int result;
+
+    if (handle == -1)
+        return (-1);
+
+    vfs = vfs_class_find_by_handle (handle, &fsinfo);
+    if (vfs == NULL)
+        return (-1);
+
+    result = vfs->fstat ? vfs->fstat (fsinfo, buf) : -1;
+    if (result == -1)
+        errno = vfs->fstat ? vfs_ferrno (vfs) : ENOTSUP;
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+vfs_path_t *
+mc_getlocalcopy (const vfs_path_t * pathname_vpath)
+{
+    vfs_path_t *result = NULL;
+    const vfs_path_element_t *path_element;
+
+    if (pathname_vpath == NULL)
+        return NULL;
+
+    path_element = vfs_path_get_by_index (pathname_vpath, -1);
+    if (vfs_path_element_valid (path_element))
+    {
+        result = path_element->class->getlocalcopy != NULL ?
+            path_element->class->getlocalcopy (pathname_vpath) :
+            mc_def_getlocalcopy (pathname_vpath);
+        if (result == NULL)
+            errno = vfs_ferrno (path_element->class);
+    }
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_ungetlocalcopy (const vfs_path_t * pathname_vpath, const vfs_path_t * local_vpath,
+                   gboolean has_changed)
+{
+    int result = -1;
+    const vfs_path_element_t *path_element;
+
+    if (pathname_vpath == NULL)
+        return (-1);
+
+    path_element = vfs_path_get_by_index (pathname_vpath, -1);
+    if (vfs_path_element_valid (path_element))
+        result = path_element->class->ungetlocalcopy != NULL ?
+            path_element->class->ungetlocalcopy (pathname_vpath, local_vpath, has_changed) :
+            mc_def_ungetlocalcopy (pathname_vpath, local_vpath, has_changed);
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * VFS chdir.
+ *
+ * @param vpath VFS path.
+ *              May be NULL. In this case NULL is returned and errno set to 0.
+ *
+ * @return 0 on success, -1 on failure.
+ */
+
+int
+mc_chdir (const vfs_path_t * vpath)
+{
+    struct vfs_class *old_vfs;
+    vfsid old_vfsid;
+    int result;
+    const vfs_path_element_t *path_element;
+    vfs_path_t *cd_vpath;
+
+    if (vpath == NULL)
+    {
+        errno = 0;
+        return (-1);
+    }
+
+    if (vpath->relative)
+        cd_vpath = vfs_path_to_absolute (vpath);
+    else
+        cd_vpath = vfs_path_clone (vpath);
+
+    path_element = vfs_path_get_by_index (cd_vpath, -1);
+    if (!vfs_path_element_valid (path_element))
+    {
+        errno = EINVAL;
+        goto error_end;
+    }
+
+    if (path_element->class->chdir == NULL)
+    {
+        errno = ENOTSUP;
+        goto error_end;
+    }
+
+    result = path_element->class->chdir (cd_vpath);
+    if (result == -1)
+    {
+        errno = vfs_ferrno (path_element->class);
+        goto error_end;
+    }
+
+    old_vfsid = vfs_getid (vfs_get_raw_current_dir ());
+    old_vfs = current_vfs;
+
+    /* Actually change directory */
+    vfs_set_raw_current_dir (cd_vpath);
+
+    current_vfs = path_element->class;
+
+    /* This function uses the new current_dir implicitly */
+    vfs_stamp_create (old_vfs, old_vfsid);
+
+    /* Sometimes we assume no trailing slash on cwd */
+    path_element = vfs_path_get_by_index (vfs_get_raw_current_dir (), -1);
+    if (vfs_path_element_valid (path_element))
+    {
+        if (*path_element->path != '\0')
+        {
+            char *p;
+
+            p = strchr (path_element->path, 0) - 1;
+            if (IS_PATH_SEP (*p) && p > path_element->path)
+                *p = '\0';
+        }
+
+#ifdef ENABLE_VFS_NET
+        {
+            struct vfs_s_super *super;
+
+            super = vfs_get_super_by_vpath (vpath);
+            if (super != NULL && super->path_element != NULL)
+            {
+                g_free (super->path_element->path);
+                super->path_element->path = g_strdup (path_element->path);
+            }
+        }
+#endif /* ENABLE_VFS_NET */
+    }
+
+    return 0;
+
+  error_end:
+    vfs_path_free (cd_vpath, TRUE);
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+off_t
+mc_lseek (int fd, off_t offset, int whence)
+{
+    struct vfs_class *vfs;
+    void *fsinfo = NULL;
+    off_t result;
+
+    if (fd == -1)
+        return (-1);
+
+    vfs = vfs_class_find_by_handle (fd, &fsinfo);
+    if (vfs == NULL)
+        return (-1);
+
+    result = vfs->lseek ? vfs->lseek (fsinfo, offset, whence) : -1;
+    if (result == -1)
+        errno = vfs->lseek ? vfs_ferrno (vfs) : ENOTSUP;
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Following code heavily borrows from libiberty, mkstemps.c */
+/*
+ * Arguments:
+ * pname (output) - pointer to the name of the temp file (needs g_free).
+ *                  NULL if the function fails.
+ * prefix - part of the filename before the random part.
+ *          Prepend $TMPDIR or /tmp if there are no path separators.
+ * suffix - if not NULL, part of the filename after the random part.
+ *
+ * Result:
+ * handle of the open file or -1 if couldn't open any.
+ */
+
+int
+mc_mkstemps (vfs_path_t ** pname_vpath, const char *prefix, const char *suffix)
+{
+    char *p1, *p2;
+    int fd;
+
+    if (strchr (prefix, PATH_SEP) != NULL)
+        p1 = g_strdup (prefix);
+    else
+    {
+        /* Add prefix first to find the position of XXXXXX */
+        p1 = g_build_filename (mc_tmpdir (), prefix, (char *) NULL);
+    }
+
+    p2 = g_strconcat (p1, "XXXXXX", suffix, (char *) NULL);
+    g_free (p1);
+
+    fd = g_mkstemp (p2);
+    if (fd >= 0)
+        *pname_vpath = vfs_path_from_str (p2);
+    else
+    {
+        *pname_vpath = NULL;
+        fd = -1;
+    }
+
+    g_free (p2);
+
+    return fd;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return the directory where mc should keep its temporary files.
+ * This directory is (in Bourne shell terms) "${TMPDIR=/tmp}/mc-$USER"
+ * When called the first time, the directory is created if needed.
+ * The first call should be done early, since we are using fprintf()
+ * and not message() to report possible problems.
+ */
+
+const char *
+mc_tmpdir (void)
+{
+    static char buffer[PATH_MAX];
+    static const char *tmpdir = NULL;
+    const char *sys_tmp;
+    struct passwd *pwd;
+    struct stat st;
+    const char *error = NULL;
+
+    /* Check if already correctly initialized */
+    if (tmpdir != NULL && lstat (tmpdir, &st) == 0 && S_ISDIR (st.st_mode) &&
+        st.st_uid == getuid () && (st.st_mode & 0777) == 0700)
+        return tmpdir;
+
+    sys_tmp = getenv ("MC_TMPDIR");
+    if (sys_tmp == NULL || !IS_PATH_SEP (sys_tmp[0]))
+    {
+        sys_tmp = getenv ("TMPDIR");
+        if (sys_tmp == NULL || !IS_PATH_SEP (sys_tmp[0]))
+            sys_tmp = TMPDIR_DEFAULT;
+    }
+
+    pwd = getpwuid (getuid ());
+    if (pwd != NULL)
+        g_snprintf (buffer, sizeof (buffer), "%s/mc-%s", sys_tmp, pwd->pw_name);
+    else
+        g_snprintf (buffer, sizeof (buffer), "%s/mc-%lu", sys_tmp, (unsigned long) getuid ());
+
+    canonicalize_pathname (buffer);
+
+    /* Try to create directory */
+    if (mkdir (buffer, S_IRWXU) != 0)
+    {
+        if (errno == EEXIST && lstat (buffer, &st) == 0)
+        {
+            /* Sanity check for existing directory */
+            if (!S_ISDIR (st.st_mode))
+                error = _("%s is not a directory\n");
+            else if (st.st_uid != getuid ())
+                error = _("Directory %s is not owned by you\n");
+            else if (((st.st_mode & 0777) != 0700) && (chmod (buffer, 0700) != 0))
+                error = _("Cannot set correct permissions for directory %s\n");
+        }
+        else
+        {
+            fprintf (stderr,
+                     _("Cannot create temporary directory %s: %s\n"),
+                     buffer, unix_error_string (errno));
+            error = "";
+        }
+    }
+
+    if (error != NULL)
+    {
+        int test_fd;
+        char *fallback_prefix;
+        gboolean fallback_ok = FALSE;
+        vfs_path_t *test_vpath;
+
+        if (*error != '\0')
+            fprintf (stderr, error, buffer);
+
+        /* Test if sys_tmp is suitable for temporary files */
+        fallback_prefix = g_strdup_printf ("%s/mctest", sys_tmp);
+        test_fd = mc_mkstemps (&test_vpath, fallback_prefix, NULL);
+        g_free (fallback_prefix);
+        if (test_fd != -1)
+        {
+            close (test_fd);
+            test_fd = open (vfs_path_as_str (test_vpath), O_RDONLY);
+            if (test_fd != -1)
+            {
+                close (test_fd);
+                unlink (vfs_path_as_str (test_vpath));
+                fallback_ok = TRUE;
+            }
+        }
+
+        if (fallback_ok)
+        {
+            fprintf (stderr, _("Temporary files will be created in %s\n"), sys_tmp);
+            g_snprintf (buffer, sizeof (buffer), "%s", sys_tmp);
+            error = NULL;
+        }
+        else
+        {
+            fprintf (stderr, _("Temporary files will not be created\n"));
+            g_snprintf (buffer, sizeof (buffer), "%s", "/dev/null/");
+        }
+
+        vfs_path_free (test_vpath, TRUE);
+        fprintf (stderr, "%s\n", _("Press any key to continue..."));
+        getc (stdin);
+    }
+
+    tmpdir = buffer;
+
+    if (error == NULL)
+        g_setenv ("MC_TMPDIR", tmpdir, TRUE);
+
+    return tmpdir;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/netutil.c b/lib/vfs/netutil.c
new file mode 100644
index 0000000..3ba2139
--- /dev/null
+++ b/lib/vfs/netutil.c
@@ -0,0 +1,80 @@
+/*
+   Network utilities for the Midnight Commander Virtual File System.
+
+   Copyright (C) 1995-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System: Network utilities
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>             /* memset() */
+
+#include "lib/global.h"
+
+#include "netutil.h"
+
+/*** global variables ****************************************************************************/
+
+SIG_ATOMIC_VOLATILE_T got_sigpipe = 0;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+sig_pipe (int unused)
+{
+    (void) unused;
+    got_sigpipe = 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+tcp_init (void)
+{
+    static gboolean initialized = FALSE;
+    struct sigaction sa;
+
+    if (initialized)
+        return;
+
+    got_sigpipe = 0;
+    memset (&sa, 0, sizeof (sa));
+    sa.sa_handler = sig_pipe;
+    sigemptyset (&sa.sa_mask);
+    sigaction (SIGPIPE, &sa, NULL);
+
+    initialized = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/netutil.h b/lib/vfs/netutil.h
new file mode 100644
index 0000000..9a12745
--- /dev/null
+++ b/lib/vfs/netutil.h
@@ -0,0 +1,26 @@
+
+/**
+ * \file
+ * \brief Header: Virtual File System: Network utilities
+ */
+
+#ifndef MC__VFS_NETUTIL_H
+#define MC__VFS_NETUTIL_H
+
+#include <signal.h>
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+extern SIG_ATOMIC_VOLATILE_T got_sigpipe;
+
+/*** declarations of public functions ************************************************************/
+
+void tcp_init (void);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC_VFS_NETUTIL_H */
diff --git a/lib/vfs/parse_ls_vga.c b/lib/vfs/parse_ls_vga.c
new file mode 100644
index 0000000..b83eb62
--- /dev/null
+++ b/lib/vfs/parse_ls_vga.c
@@ -0,0 +1,884 @@
+/*
+   Routines for parsing output from the 'ls' command.
+
+   Copyright (C) 1988-2022
+   Free Software Foundation, Inc.
+
+   Copyright (C) 1995, 1996 Miguel de Icaza
+
+   Written by:
+   Miguel de Icaza, 1995, 1996 
+   Slava Zanko <slavazanko@gmail.com>, 2011
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Utilities for VFS modules
+ * \author Miguel de Icaza
+ * \date 1995, 1996
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/unixcompat.h"     /* makedev */
+#include "lib/widget.h"         /* message() */
+
+#include "utilvfs.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/* Parsing code is used by ftpfs, fish and extfs */
+#define MAXCOLS         30
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static char *columns[MAXCOLS];  /* Points to the string in column n */
+static int column_ptr[MAXCOLS]; /* Index from 0 to the starting positions of the columns */
+static size_t vfs_parce_ls_final_num_spaces = 0;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_num (int idx)
+{
+    char *column = columns[idx];
+
+    return (column != NULL && isdigit (column[0]));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Return TRUE for MM-DD-YY and MM-DD-YYYY */
+
+static gboolean
+is_dos_date (const char *str)
+{
+    size_t len;
+
+    if (str == NULL)
+        return FALSE;
+
+    len = strlen (str);
+    if (len != 8 && len != 10)
+        return FALSE;
+
+    if (str[2] != str[5])
+        return FALSE;
+
+    return (strchr ("\\-/", (int) str[2]) != NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_week (const char *str, struct tm *tim)
+{
+    static const char *week = "SunMonTueWedThuFriSat";
+    const char *pos;
+
+    if (str == NULL)
+        return FALSE;
+
+    pos = strstr (week, str);
+    if (pos == NULL)
+        return FALSE;
+
+    if (tim != NULL)
+        tim->tm_wday = (pos - week) / 3;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check for possible locale's abbreviated month name (Jan..Dec).
+ * Any 3 bytes long string without digit, control and punctuation characters.
+ * isalpha() is locale specific, so it cannot be used if current
+ * locale is "C" and ftp server use Cyrillic.
+ * NB: It is assumed there are no whitespaces in month.
+ */
+static gboolean
+is_localized_month (const char *month)
+{
+    int i;
+
+    if (month == NULL)
+        return FALSE;
+
+    for (i = 0;
+         i < 3 && *month != '\0' && !isdigit ((unsigned char) *month)
+         && !iscntrl ((unsigned char) *month) && !ispunct ((unsigned char) *month); i++, month++)
+        ;
+
+    return (i == 3 && *month == '\0');
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_time (const char *str, struct tm *tim)
+{
+    const char *p, *p2;
+
+    if (str == NULL)
+        return FALSE;
+
+    p = strchr (str, ':');
+    if (p == NULL)
+        return FALSE;
+
+    p2 = strrchr (str, ':');
+    if (p2 == NULL)
+        return FALSE;
+
+    if (p != p2)
+    {
+        if (sscanf (str, "%2d:%2d:%2d", &tim->tm_hour, &tim->tm_min, &tim->tm_sec) != 3)
+            return FALSE;
+    }
+    else
+    {
+        if (sscanf (str, "%2d:%2d", &tim->tm_hour, &tim->tm_min) != 2)
+            return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_year (char *str, struct tm *tim)
+{
+    long year;
+
+    if (str == NULL)
+        return FALSE;
+
+    if (strchr (str, ':') != NULL)
+        return FALSE;
+
+    if (strlen (str) != 4)
+        return FALSE;
+
+    /* cppcheck-suppress invalidscanf */
+    if (sscanf (str, "%ld", &year) != 1)
+        return FALSE;
+
+    if (year < 1900 || year > 3000)
+        return FALSE;
+
+    tim->tm_year = (int) (year - 1900);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_filetype (const char *s, size_t * ret_skipped, mode_t * ret_type)
+{
+    mode_t type;
+
+    switch (*s)
+    {
+    case 'd':
+        type = S_IFDIR;
+        break;
+    case 'b':
+        type = S_IFBLK;
+        break;
+    case 'c':
+        type = S_IFCHR;
+        break;
+    case 'l':
+        type = S_IFLNK;
+        break;
+#ifdef S_IFSOCK
+    case 's':
+        type = S_IFSOCK;
+        break;
+#else
+    case 's':
+        type = S_IFIFO;
+        break;
+#endif
+#ifdef S_IFDOOR                 /* Solaris door */
+    case 'D':
+        type = S_IFDOOR;
+        break;
+#else
+    case 'D':
+        type = S_IFIFO;
+        break;
+#endif
+    case 'p':
+        type = S_IFIFO;
+        break;
+#ifdef S_IFNAM                  /* Special named files */
+    case 'n':
+        type = S_IFNAM;
+        break;
+#else
+    case 'n':
+        type = S_IFREG;
+        break;
+#endif
+    case 'm':                  /* Don't know what these are :-) */
+    case '-':
+    case '?':
+        type = S_IFREG;
+        break;
+    default:
+        return FALSE;
+    }
+
+    *ret_type = type;
+
+    if (ret_skipped != NULL)
+        *ret_skipped = 1;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_fileperms (const char *s, size_t * ret_skipped, mode_t * ret_perms)
+{
+    const char *p = s;
+    mode_t perms = 0;
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'r':
+        perms |= S_IRUSR;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'w':
+        perms |= S_IWUSR;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'S':
+        perms |= S_ISUID;
+        break;
+    case 's':
+        perms |= S_IXUSR | S_ISUID;
+        break;
+    case 'x':
+        perms |= S_IXUSR;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'r':
+        perms |= S_IRGRP;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'w':
+        perms |= S_IWGRP;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'S':
+        perms |= S_ISGID;
+        break;
+    case 'l':
+        perms |= S_ISGID;
+        break;                  /* found on Solaris */
+    case 's':
+        perms |= S_IXGRP | S_ISGID;
+        break;
+    case 'x':
+        perms |= S_IXGRP;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'r':
+        perms |= S_IROTH;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'w':
+        perms |= S_IWOTH;
+        break;
+    default:
+        return FALSE;
+    }
+
+    switch (*p++)
+    {
+    case '-':
+        break;
+    case 'T':
+        perms |= S_ISVTX;
+        break;
+    case 't':
+        perms |= S_IXOTH | S_ISVTX;
+        break;
+    case 'x':
+        perms |= S_IXOTH;
+        break;
+    default:
+        return FALSE;
+    }
+
+    if (*p == '+')
+        /* ACLs on Solaris, HP-UX and others */
+        p++;
+
+    if (ret_skipped != NULL)
+        *ret_skipped = p - s;
+    *ret_perms = perms;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode)
+{
+    const char *p = s;
+    mode_t type, perms;
+    size_t skipped;
+
+    if (!vfs_parse_filetype (p, &skipped, &type))
+        return FALSE;
+
+    p += skipped;
+    if (!vfs_parse_fileperms (p, &skipped, &perms))
+        return FALSE;
+
+    p += skipped;
+    *ret_skipped = p - s;
+    *ret_mode = type | perms;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_raw_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode)
+{
+    const char *p = s;
+    mode_t remote_type = 0, local_type, perms = 0;
+
+    /* isoctal */
+    for (; *p >= '0' && *p <= '7'; p++)
+    {
+        perms *= 010;
+        perms += (*p - '0');
+    }
+
+    if (*p++ != ' ')
+        return FALSE;
+
+    for (; *p >= '0' && *p <= '7'; p++)
+    {
+        remote_type *= 010;
+        remote_type += (*p - '0');
+    }
+
+    if (*p++ != ' ')
+        return FALSE;
+
+    /* generated with:
+       $ perl -e 'use Fcntl ":mode";
+       my @modes = (S_IFDIR, S_IFBLK, S_IFCHR, S_IFLNK, S_IFREG);
+       foreach $t (@modes) { printf ("%o\n", $t); };'
+       TODO: S_IFDOOR, S_IFIFO, S_IFSOCK (if supported by os)
+       (see vfs_parse_filetype)
+     */
+
+    switch (remote_type)
+    {
+    case 020000:
+        local_type = S_IFCHR;
+        break;
+    case 040000:
+        local_type = S_IFDIR;
+        break;
+    case 060000:
+        local_type = S_IFBLK;
+        break;
+    case 0120000:
+        local_type = S_IFLNK;
+        break;
+    case 0100000:
+    default:                   /* don't know what is it */
+        local_type = S_IFREG;
+        break;
+    }
+
+    *ret_skipped = p - s;
+    *ret_mode = local_type | perms;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_month (const char *str, struct tm * tim)
+{
+    static const char *month = "JanFebMarAprMayJunJulAugSepOctNovDec";
+    const char *pos;
+
+    if (str == NULL)
+        return FALSE;
+
+    pos = strstr (month, str);
+    if (pos == NULL)
+        return FALSE;
+
+    if (tim != NULL)
+        tim->tm_mon = (pos - month) / 3;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** This function parses from idx in the columns[] array */
+
+int
+vfs_parse_filedate (int idx, time_t * t)
+{
+    char *p;
+    struct tm tim;
+    int d[3];
+    gboolean got_year = FALSE;
+    gboolean l10n = FALSE;      /* Locale's abbreviated month name */
+    time_t current_time;
+    struct tm *local_time;
+
+    /* Let's setup default time values */
+    current_time = time (NULL);
+    local_time = localtime (&current_time);
+    tim.tm_mday = local_time->tm_mday;
+    tim.tm_mon = local_time->tm_mon;
+    tim.tm_year = local_time->tm_year;
+
+    tim.tm_hour = 0;
+    tim.tm_min = 0;
+    tim.tm_sec = 0;
+    tim.tm_isdst = -1;          /* Let mktime() try to guess correct dst offset */
+
+    p = columns[idx++];
+
+    /* We eat weekday name in case of extfs */
+    if (is_week (p, &tim))
+        p = columns[idx++];
+
+    /*
+       ALLOWED DATE FORMATS
+
+       We expect 3 fields max or we'll see oddities with certain file names.
+
+       Formats that contain either year or time (the default 'ls' formats):
+
+       * Mon DD hh:mm[:ss]
+       * Mon DD YYYY
+
+       Formats that contain both year and time, to make it easier to write
+       extfs scripts:
+
+       * MM-DD-YYYY hh:mm[:ss]
+       * MM-DD-YY hh:mm[:ss]
+
+       ('/' and '\' can be used instead of '-'.)
+
+       where Mon is Jan-Dec, DD, MM, YY two digit day, month, year,
+       YYYY four digit year, hh, mm, ss two digit hour, minute or second.
+
+       (As for the "3 fields max" restriction: this prevents, for example, a
+       file name "13:48" from being considered part of a "Sep 19 2016" date
+       string preceding it.)
+     */
+
+    /* Month name */
+    if (vfs_parse_month (p, &tim))
+    {
+        /* And we expect, it followed by day number */
+        if (!is_num (idx))
+            return 0;           /* No day */
+
+        tim.tm_mday = (int) atol (columns[idx++]);
+
+    }
+    else if (is_dos_date (p))
+    {
+        /* Case with MM-DD-YY or MM-DD-YYYY */
+        p[2] = p[5] = '-';
+
+        /* cppcheck-suppress invalidscanf */
+        if (sscanf (p, "%2d-%2d-%d", &d[0], &d[1], &d[2]) != 3)
+            return 0;           /* sscanf failed */
+
+        /* Months are zero based */
+        if (d[0] > 0)
+            d[0]--;
+
+        if (d[2] > 1900)
+            d[2] -= 1900;
+        else if (d[2] < 70)
+            /* Y2K madness */
+            d[2] += 100;
+
+        tim.tm_mon = d[0];
+        tim.tm_mday = d[1];
+        tim.tm_year = d[2];
+        got_year = TRUE;
+    }
+    else if (is_localized_month (p) && is_num (idx++))
+        /* Locale's abbreviated month name followed by day number */
+        l10n = TRUE;
+    else
+        return 0;               /* unsupported format */
+
+    /* Here we expect to find time or year */
+    if (!is_num (idx)
+        || !(is_time (columns[idx], &tim) || (got_year = is_year (columns[idx], &tim))))
+        return 0;               /* Neither time nor date */
+
+    idx++;
+
+    /*
+     * If the date is less than 6 months in the past, it is shown without year
+     * other dates in the past or future are shown with year but without time
+     * This does not check for years before 1900 ... I don't know, how
+     * to represent them at all
+     */
+    if (!got_year && local_time->tm_mon < 6 && local_time->tm_mon < tim.tm_mon
+        && tim.tm_mon - local_time->tm_mon >= 6)
+        tim.tm_year--;
+
+    *t = mktime (&tim);
+    if (l10n || (*t < 0))
+        *t = 0;
+
+    return idx;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_split_text (char *p)
+{
+    char *original = p;
+    int numcols;
+
+    memset (columns, 0, sizeof (columns));
+
+    for (numcols = 0; *p != '\0' && numcols < MAXCOLS; numcols++)
+    {
+        for (; *p == ' ' || *p == '\r' || *p == '\n'; p++)
+            *p = '\0';
+
+        columns[numcols] = p;
+        column_ptr[numcols] = p - original;
+
+        for (; *p != '\0' && *p != ' ' && *p != '\r' && *p != '\n'; p++)
+            ;
+    }
+
+    return numcols;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_parse_ls_lga_init (void)
+{
+    vfs_parce_ls_final_num_spaces = 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+size_t
+vfs_parse_ls_lga_get_final_spaces (void)
+{
+    return vfs_parce_ls_final_num_spaces;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_parse_ls_lga (const char *p, struct stat * s, char **filename, char **linkname,
+                  size_t * num_spaces)
+{
+    int idx, idx2, num_cols;
+    int i;
+    char *p_copy = NULL;
+    char *t = NULL;
+    const char *line = p;
+    size_t skipped;
+
+    if (strncmp (p, "total", 5) == 0)
+        return FALSE;
+
+    if (!vfs_parse_filetype (p, &skipped, &s->st_mode))
+        goto error;
+
+    p += skipped;
+    if (*p == ' ')              /* Notwell 4 */
+        p++;
+    if (*p == '[')
+    {
+        if (strlen (p) <= 8 || p[8] != ']')
+            goto error;
+
+        /* Should parse here the Notwell permissions :) */
+        if (S_ISDIR (s->st_mode))
+            s->st_mode |= (S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR | S_IXUSR | S_IXGRP | S_IXOTH);
+        else
+            s->st_mode |= (S_IRUSR | S_IRGRP | S_IROTH | S_IWUSR);
+        p += 9;
+    }
+    else
+    {
+        size_t lc_skipped;
+        mode_t perms;
+
+        if (!vfs_parse_fileperms (p, &lc_skipped, &perms))
+            goto error;
+
+        p += lc_skipped;
+        s->st_mode |= perms;
+    }
+
+    p_copy = g_strdup (p);
+    num_cols = vfs_split_text (p_copy);
+
+    s->st_nlink = atol (columns[0]);
+    if (s->st_nlink <= 0)
+        goto error;
+
+    if (!is_num (1))
+        s->st_uid = vfs_finduid (columns[1]);
+    else
+        s->st_uid = (uid_t) atol (columns[1]);
+
+    /* Mhm, the ls -lg did not produce a group field */
+    for (idx = 3; idx <= 5; idx++)
+        if (vfs_parse_month (columns[idx], NULL) || is_week (columns[idx], NULL)
+            || is_dos_date (columns[idx]) || is_localized_month (columns[idx]))
+            break;
+
+    if (idx == 6 || (idx == 5 && !S_ISCHR (s->st_mode) && !S_ISBLK (s->st_mode)))
+        goto error;
+
+    /* We don't have gid */
+    if (idx == 3 || (idx == 4 && (S_ISCHR (s->st_mode) || S_ISBLK (s->st_mode))))
+        idx2 = 2;
+    else
+    {
+        /* We have gid field */
+        if (is_num (2))
+            s->st_gid = (gid_t) atol (columns[2]);
+        else
+            s->st_gid = vfs_findgid (columns[2]);
+        idx2 = 3;
+    }
+
+    /* This is device */
+    if (S_ISCHR (s->st_mode) || S_ISBLK (s->st_mode))
+    {
+        int maj, min;
+
+        /* Corner case: there is no whitespace(s) between maj & min */
+        if (!is_num (idx2) && idx2 == 2)
+        {
+            /* cppcheck-suppress invalidscanf */
+            if (!is_num (++idx2) || sscanf (columns[idx2], " %d,%d", &maj, &min) != 2)
+                goto error;
+        }
+        else
+        {
+            /* cppcheck-suppress invalidscanf */
+            if (!is_num (idx2) || sscanf (columns[idx2], " %d,", &maj) != 1)
+                goto error;
+
+            /* cppcheck-suppress invalidscanf */
+            if (!is_num (++idx2) || sscanf (columns[idx2], " %d", &min) != 1)
+                goto error;
+        }
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+        s->st_rdev = makedev (maj, min);
+#endif
+        s->st_size = 0;
+
+    }
+    else
+    {
+        /* Common file size */
+        if (!is_num (idx2))
+            goto error;
+
+        s->st_size = (off_t) g_ascii_strtoll (columns[idx2], NULL, 10);
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+        s->st_rdev = 0;
+#endif
+    }
+
+    idx = vfs_parse_filedate (idx, &s->st_mtime);
+    if (idx == 0)
+        goto error;
+
+    /* Use resulting time value */
+    s->st_atime = s->st_ctime = s->st_mtime;
+#ifdef HAVE_STRUCT_STAT_ST_MTIM
+    s->st_atim.tv_nsec = s->st_mtim.tv_nsec = s->st_ctim.tv_nsec = 0;
+#endif
+
+    /* s->st_dev and s->st_ino must be initialized by vfs_s_new_inode () */
+#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
+    s->st_blksize = 512;
+#endif
+    vfs_adjust_stat (s);
+
+    if (num_spaces != NULL)
+    {
+        *num_spaces = column_ptr[idx] - column_ptr[idx - 1] - strlen (columns[idx - 1]);
+        if (DIR_IS_DOTDOT (columns[idx]))
+            vfs_parce_ls_final_num_spaces = *num_spaces;
+    }
+
+    for (i = idx + 1, idx2 = 0; i < num_cols; i++)
+        if (strcmp (columns[i], "->") == 0)
+        {
+            idx2 = i;
+            break;
+        }
+
+    if (((S_ISLNK (s->st_mode) || (num_cols == idx + 3 && s->st_nlink > 1)))    /* Maybe a hardlink? (in extfs) */
+        && idx2 != 0)
+    {
+        if (filename != NULL)
+            *filename = g_strndup (p + column_ptr[idx], column_ptr[idx2] - column_ptr[idx] - 1);
+
+        if (linkname != NULL)
+        {
+            t = g_strdup (p + column_ptr[idx2 + 1]);
+            *linkname = t;
+        }
+    }
+    else
+    {
+        /* Extract the filename from the string copy, not from the columns
+         * this way we have a chance of entering hidden directories like ". ."
+         */
+        if (filename != NULL)
+        {
+            /* filename = g_strdup (columns [idx++]); */
+            t = g_strdup (p + column_ptr[idx]);
+            *filename = t;
+        }
+
+        if (linkname != NULL)
+            *linkname = NULL;
+    }
+
+    if (t != NULL)
+    {
+        size_t p2;
+
+        p2 = strlen (t);
+        if (--p2 > 0 && (t[p2] == '\r' || t[p2] == '\n'))
+            t[p2] = '\0';
+        if (--p2 > 0 && (t[p2] == '\r' || t[p2] == '\n'))
+            t[p2] = '\0';
+    }
+
+    g_free (p_copy);
+    return TRUE;
+
+  error:
+    {
+        static int errorcount = 0;
+
+        if (++errorcount < 5)
+            message (D_ERROR, _("Cannot parse:"), "%s",
+                     (p_copy != NULL && *p_copy != '\0') ? p_copy : line);
+        else if (errorcount == 5)
+            message (D_ERROR, MSG_ERROR, _("More parsing errors will be ignored."));
+    }
+
+    g_free (p_copy);
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/path.c b/lib/vfs/path.c
new file mode 100644
index 0000000..bf28890
--- /dev/null
+++ b/lib/vfs/path.c
@@ -0,0 +1,1671 @@
+/*
+   Virtual File System path handlers
+
+   Copyright (C) 2011-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2011, 2013
+   Andrew Borodin <aborodin@vmail.ru>, 2013-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System: path handlers
+ * \author Slava Zanko
+ * \date 2011
+ */
+
+
+#include <config.h>
+
+#include <errno.h>
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/util.h"           /* mc_build_filename() */
+#include "lib/serialize.h"
+
+#include "vfs.h"
+#include "utilvfs.h"
+#include "xdirentry.h"
+#include "path.h"
+
+extern GPtrArray *vfs__classes_list;
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+path_magic (const char *path)
+{
+    struct stat buf;
+
+    return (stat (path, &buf) != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Splits path extracting vfs part.
+ *
+ * Splits path
+ * \verbatim /p1#op/inpath \endverbatim
+ * into
+ * \verbatim inpath,op; \endverbatim
+ * returns which vfs it is.
+ * What is left in path is p1. You still want to g_free(path), you DON'T
+ * want to free neither *inpath nor *op
+ */
+
+static struct vfs_class *
+_vfs_split_with_semi_skip_count (char *path, const char **inpath, const char **op,
+                                 size_t skip_count)
+{
+    char *semi;
+    char *slash;
+    struct vfs_class *ret;
+
+    if (path == NULL)
+        vfs_die ("Cannot split NULL");
+
+    semi = strrstr_skip_count (path, "#", skip_count);
+
+    if ((semi == NULL) || (!path_magic (path)))
+        return NULL;
+
+    slash = strchr (semi, PATH_SEP);
+    *semi = '\0';
+
+    if (op != NULL)
+        *op = NULL;
+
+    if (inpath != NULL)
+        *inpath = NULL;
+
+    if (slash != NULL)
+        *slash = '\0';
+
+    ret = vfs_prefix_to_class (semi + 1);
+    if (ret != NULL)
+    {
+        if (op != NULL)
+            *op = semi + 1;
+        if (inpath != NULL)
+            *inpath = slash != NULL ? slash + 1 : NULL;
+        return ret;
+    }
+
+    if (slash != NULL)
+        *slash = PATH_SEP;
+
+    *semi = '#';
+    ret = _vfs_split_with_semi_skip_count (path, inpath, op, skip_count + 1);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * remove //, /./ and /../
+ *
+ * @return newly allocated string
+ */
+
+static char *
+vfs_canon (const char *path)
+{
+    char *result;
+
+    if (path == NULL)
+        vfs_die ("Cannot canonicalize NULL");
+
+    if (!IS_PATH_SEP (*path))
+    {
+        /* Relative to current directory */
+
+        char *local;
+
+        if (g_str_has_prefix (path, VFS_ENCODING_PREFIX))
+        {
+            /*
+               encoding prefix placed at start of string without the leading slash
+               should be autofixed by adding the leading slash
+             */
+            local = mc_build_filename (PATH_SEP_STR, path, (char *) NULL);
+        }
+        else
+        {
+            const char *curr_dir;
+
+            curr_dir = vfs_get_current_dir ();
+            local = mc_build_filename (curr_dir, path, (char *) NULL);
+        }
+        result = vfs_canon (local);
+        g_free (local);
+    }
+    else
+    {
+        /* Absolute path */
+
+        result = g_strdup (path);
+        canonicalize_pathname (result);
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_CHARSET
+/** get encoding after last #enc: or NULL, if part does not contain #enc:
+ *
+ * @param path null-terminated string
+ * @param len the maximum length of path, where #enc: should be searched
+ *
+ * @return newly allocated string.
+ */
+
+static char *
+vfs_get_encoding (const char *path, ssize_t len)
+{
+    char *semi;
+
+    /* try found #enc: */
+    semi = g_strrstr_len (path, len, VFS_ENCODING_PREFIX);
+    if (semi == NULL)
+        return NULL;
+
+    if (semi == path || IS_PATH_SEP (semi[-1]))
+    {
+        char *slash;
+
+        semi += strlen (VFS_ENCODING_PREFIX);   /* skip "#enc:" */
+        slash = strchr (semi, PATH_SEP);
+        if (slash != NULL)
+            return g_strndup (semi, slash - semi);
+        return g_strdup (semi);
+    }
+
+    return vfs_get_encoding (path, semi - path);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+/**  Extract the hostname and username from the path
+ *
+ * Format of the path is [user@]hostname:port/remote-dir, e.g.:
+ *
+ * ftp://sunsite.unc.edu/pub/linux
+ * ftp://miguel@sphinx.nuclecu.unam.mx/c/nc
+ * ftp://tsx-11.mit.edu:8192/
+ * ftp://joe@foo.edu:11321/private
+ * ftp://joe:password@foo.se
+ *
+ * @param path_element is an input string to be parsed
+ * @param path is an input string to be parsed
+ *
+ * @return g_malloc()ed url info.
+ *         If the user is empty, e.g. ftp://@roxanne/private, and URL_USE_ANONYMOUS
+ *         is not set, then the current login name is supplied.
+ *         Return value is a g_malloc()ed structure with the pathname relative to the
+ *         host.
+ */
+
+static void
+vfs_path_url_split (vfs_path_element_t * path_element, const char *path)
+{
+    char *pcopy;
+    char *colon, *at, *rest;
+
+    path_element->port = 0;
+
+    pcopy = g_strdup (path);
+
+    /* search for any possible user */
+    at = strrchr (pcopy, '@');
+
+    /* We have a username */
+    if (at == NULL)
+        rest = pcopy;
+    else
+    {
+        const char *pend;
+        char *inner_colon;
+
+        pend = strchr (at, '\0');
+        *at = '\0';
+
+        inner_colon = strchr (pcopy, ':');
+        if (inner_colon != NULL)
+        {
+            *inner_colon = '\0';
+            inner_colon++;
+            path_element->password = g_strdup (inner_colon);
+        }
+
+        if (*pcopy != '\0')
+            path_element->user = g_strdup (pcopy);
+
+        if (pend == at + 1)
+            rest = at;
+        else
+            rest = at + 1;
+    }
+
+    /* Check if the host comes with a port spec, if so, chop it */
+    if (*rest != '[')
+        colon = strchr (rest, ':');
+    else
+    {
+        colon = strchr (++rest, ']');
+        if (colon != NULL)
+        {
+            *colon = '\0';
+            colon++;
+            *colon = '\0';
+            path_element->ipv6 = TRUE;
+        }
+    }
+
+    if (colon != NULL)
+    {
+        *colon = '\0';
+        /* cppcheck-suppress invalidscanf */
+        if (sscanf (colon + 1, "%d", &path_element->port) == 1)
+        {
+            if (path_element->port <= 0 || path_element->port >= 65536)
+                path_element->port = 0;
+        }
+        else
+            while (*(++colon) != '\0')
+            {
+                switch (*colon)
+                {
+                case 'C':
+                    path_element->port = 1;
+                    break;
+                case 'r':
+                    path_element->port = 2;
+                    break;
+                default:
+                    break;
+                }
+            }
+    }
+    path_element->host = g_strdup (rest);
+    g_free (pcopy);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * get VFS class for the given name
+ *
+ * @param class_name name of class
+ *
+ * @return pointer to class structure or NULL if class not found
+ */
+
+static struct vfs_class *
+vfs_get_class_by_name (const char *class_name)
+{
+    guint i;
+
+    if (class_name == NULL)
+        return NULL;
+
+    for (i = 0; i < vfs__classes_list->len; i++)
+    {
+        struct vfs_class *vfs = VFS_CLASS (g_ptr_array_index (vfs__classes_list, i));
+        if ((vfs->name != NULL) && (strcmp (vfs->name, class_name) == 0))
+            return vfs;
+    }
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check if path string contain URL-like elements
+ *
+ * @param path_str path
+ *
+ * @return TRUE if path is deprecated or FALSE otherwise
+ */
+
+static gboolean
+vfs_path_is_str_path_deprecated (const char *path_str)
+{
+    return strstr (path_str, VFS_PATH_URL_DELIMITER) == NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Split path string to path elements by deprecated algorithm.
+ *
+ * @param path_str VFS-path
+ *
+ * @return pointer to newly created vfs_path_t object with filled path elements array.
+*/
+
+static vfs_path_t *
+vfs_path_from_str_deprecated_parser (char *path)
+{
+    vfs_path_t *vpath;
+    vfs_path_element_t *element;
+    struct vfs_class *class;
+    const char *local, *op;
+
+    vpath = vfs_path_new ();
+
+    while ((class = _vfs_split_with_semi_skip_count (path, &local, &op, 0)) != NULL)
+    {
+        char *url_params;
+        element = g_new0 (vfs_path_element_t, 1);
+        element->class = class;
+        if (local == NULL)
+            local = "";
+        element->path = vfs_translate_path_n (local);
+
+#ifdef HAVE_CHARSET
+        element->encoding = vfs_get_encoding (local, -1);
+        element->dir.converter =
+            (element->encoding != NULL) ? str_crt_conv_from (element->encoding) : INVALID_CONV;
+#endif
+
+        url_params = strchr (op, ':');  /* skip VFS prefix */
+        if (url_params != NULL)
+        {
+            *url_params = '\0';
+            url_params++;
+            vfs_path_url_split (element, url_params);
+        }
+
+        if (*op != '\0')
+            element->vfs_prefix = g_strdup (op);
+
+        g_array_prepend_val (vpath->path, element);
+    }
+    if (path[0] != '\0')
+    {
+        element = g_new0 (vfs_path_element_t, 1);
+        element->class = g_ptr_array_index (vfs__classes_list, 0);
+        element->path = vfs_translate_path_n (path);
+
+#ifdef HAVE_CHARSET
+        element->encoding = vfs_get_encoding (path, -1);
+        element->dir.converter =
+            (element->encoding != NULL) ? str_crt_conv_from (element->encoding) : INVALID_CONV;
+#endif
+        g_array_prepend_val (vpath->path, element);
+    }
+
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Split path string to path elements by URL algorithm.
+ *
+ * @param path_str VFS-path
+ * @param flags    flags for converter
+ *
+ * @return pointer to newly created vfs_path_t object with filled path elements array.
+*/
+
+static vfs_path_t *
+vfs_path_from_str_uri_parser (char *path)
+{
+    vfs_path_t *vpath;
+    vfs_path_element_t *element;
+    char *url_delimiter;
+
+    vpath = vfs_path_new ();
+    vpath->relative = path != NULL && !IS_PATH_SEP (*path);
+
+    while ((url_delimiter = g_strrstr (path, VFS_PATH_URL_DELIMITER)) != NULL)
+    {
+        char *vfs_prefix_start;
+        char *real_vfs_prefix_start = url_delimiter;
+
+        while (real_vfs_prefix_start > path && !IS_PATH_SEP (*real_vfs_prefix_start))
+            real_vfs_prefix_start--;
+        vfs_prefix_start = real_vfs_prefix_start;
+
+        if (IS_PATH_SEP (*vfs_prefix_start))
+            vfs_prefix_start += 1;
+
+        *url_delimiter = '\0';
+
+        element = g_new0 (vfs_path_element_t, 1);
+        element->class = vfs_prefix_to_class (vfs_prefix_start);
+        element->vfs_prefix = g_strdup (vfs_prefix_start);
+
+        url_delimiter += strlen (VFS_PATH_URL_DELIMITER);
+
+        if (element->class != NULL && (element->class->flags & VFSF_REMOTE) != 0)
+        {
+            char *slash_pointer;
+
+            slash_pointer = strchr (url_delimiter, PATH_SEP);
+            if (slash_pointer == NULL)
+            {
+                element->path = g_strdup ("");
+            }
+            else
+            {
+                element->path = vfs_translate_path_n (slash_pointer + 1);
+#ifdef HAVE_CHARSET
+                element->encoding = vfs_get_encoding (slash_pointer, -1);
+#endif
+                *slash_pointer = '\0';
+            }
+            vfs_path_url_split (element, url_delimiter);
+        }
+        else
+        {
+            element->path = vfs_translate_path_n (url_delimiter);
+#ifdef HAVE_CHARSET
+            element->encoding = vfs_get_encoding (url_delimiter, -1);
+#endif
+        }
+#ifdef HAVE_CHARSET
+        element->dir.converter =
+            (element->encoding != NULL) ? str_crt_conv_from (element->encoding) : INVALID_CONV;
+#endif
+        g_array_prepend_val (vpath->path, element);
+
+        if ((real_vfs_prefix_start > path && IS_PATH_SEP (*real_vfs_prefix_start)) ||
+            (real_vfs_prefix_start == path && !IS_PATH_SEP (*real_vfs_prefix_start)))
+            *real_vfs_prefix_start = '\0';
+        else
+            *(real_vfs_prefix_start + 1) = '\0';
+    }
+
+    if (path[0] != '\0')
+    {
+        element = g_new0 (vfs_path_element_t, 1);
+        element->class = g_ptr_array_index (vfs__classes_list, 0);
+        element->path = vfs_translate_path_n (path);
+#ifdef HAVE_CHARSET
+        element->encoding = vfs_get_encoding (path, -1);
+        element->dir.converter =
+            (element->encoding != NULL) ? str_crt_conv_from (element->encoding) : INVALID_CONV;
+#endif
+        g_array_prepend_val (vpath->path, element);
+    }
+
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Add element's class info to result string (such as VFS name, host, encoding etc)
+ * This function used as helper only in vfs_path_tokens_get() function
+ *
+ * @param element current path element
+ * @param ret_tokens total tikens for return
+ * @param element_tokens accumulated element-only tokens
+ */
+
+static void
+vfs_path_tokens_add_class_info (const vfs_path_element_t * element, GString * ret_tokens,
+                                GString * element_tokens)
+{
+    if (((element->class->flags & VFSF_LOCAL) == 0 || ret_tokens->len > 0)
+        && element_tokens->len > 0)
+    {
+        char *url_str;
+
+        if (ret_tokens->len > 0 && !IS_PATH_SEP (ret_tokens->str[ret_tokens->len - 1]))
+            g_string_append_c (ret_tokens, PATH_SEP);
+
+        g_string_append (ret_tokens, element->vfs_prefix);
+        g_string_append (ret_tokens, VFS_PATH_URL_DELIMITER);
+
+        url_str = vfs_path_build_url_params_str (element, TRUE);
+        if (*url_str != '\0')
+        {
+            g_string_append (ret_tokens, url_str);
+            g_string_append_c (ret_tokens, PATH_SEP);
+        }
+
+        g_free (url_str);
+    }
+
+#ifdef HAVE_CHARSET
+    if (element->encoding != NULL)
+    {
+        if (ret_tokens->len > 0 && !IS_PATH_SEP (ret_tokens->str[ret_tokens->len - 1]))
+            g_string_append (ret_tokens, PATH_SEP_STR);
+        g_string_append (ret_tokens, VFS_ENCODING_PREFIX);
+        g_string_append (ret_tokens, element->encoding);
+        g_string_append (ret_tokens, PATH_SEP_STR);
+    }
+#endif
+
+    g_string_append (ret_tokens, element_tokens->str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Strip path to home dir.
+ * @param dir pointer to string contains full path
+ */
+
+static char *
+vfs_path_strip_home (const char *dir)
+{
+    const char *home_dir = mc_config_get_home_dir ();
+
+    if (home_dir != NULL)
+    {
+        size_t len;
+
+        len = strlen (home_dir);
+
+        if (strncmp (dir, home_dir, len) == 0 && (IS_PATH_SEP (dir[len]) || dir[len] == '\0'))
+            return g_strdup_printf ("~%s", dir + len);
+    }
+
+    return g_strdup (dir);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#define vfs_append_from_path(appendfrom, is_relative) \
+{ \
+    if ((flags & VPF_STRIP_HOME) && element_index == 0 && \
+        (element->class->flags & VFSF_LOCAL) != 0) \
+    { \
+        char *stripped_home_str; \
+        stripped_home_str = vfs_path_strip_home (appendfrom); \
+        g_string_append (buffer, stripped_home_str); \
+        g_free (stripped_home_str); \
+    } \
+    else \
+    { \
+        if (!is_relative && !IS_PATH_SEP (*appendfrom) && *appendfrom != '\0' \
+            && (buffer->len == 0 || !IS_PATH_SEP (buffer->str[buffer->len - 1]))) \
+            g_string_append_c (buffer, PATH_SEP); \
+        g_string_append (buffer, appendfrom); \
+    } \
+}
+
+/**
+ * Convert first elements_count elements from vfs_path_t to string representation with flags.
+ *
+ * @param vpath pointer to vfs_path_t object
+ * @param elements_count count of first elements for convert
+ * @param flags for converter
+ *
+ * @return pointer to newly created string.
+ */
+
+char *
+vfs_path_to_str_flags (const vfs_path_t * vpath, int elements_count, vfs_path_flag_t flags)
+{
+    int element_index;
+    GString *buffer;
+    GString *recode_buffer;
+
+    if (vpath == NULL)
+        return NULL;
+
+    if (elements_count == 0 || elements_count > vfs_path_elements_count (vpath))
+        elements_count = vfs_path_elements_count (vpath);
+
+    if (elements_count < 0)
+        elements_count = vfs_path_elements_count (vpath) + elements_count;
+
+    buffer = g_string_new ("");
+    recode_buffer = g_string_new ("");
+
+    for (element_index = 0; element_index < elements_count; element_index++)
+    {
+        const vfs_path_element_t *element;
+        gboolean is_relative = vpath->relative && (element_index == 0);
+
+        element = vfs_path_get_by_index (vpath, element_index);
+        if (element->vfs_prefix != NULL)
+        {
+            char *url_str;
+            if (!is_relative && (buffer->len == 0 || !IS_PATH_SEP (buffer->str[buffer->len - 1])))
+                g_string_append_c (buffer, PATH_SEP);
+
+            g_string_append (buffer, element->vfs_prefix);
+            g_string_append (buffer, VFS_PATH_URL_DELIMITER);
+
+            url_str = vfs_path_build_url_params_str (element, !(flags & VPF_STRIP_PASSWORD));
+
+            if (*url_str != '\0')
+            {
+                g_string_append (buffer, url_str);
+                g_string_append_c (buffer, PATH_SEP);
+            }
+
+            g_free (url_str);
+        }
+
+#ifdef HAVE_CHARSET
+        if ((flags & VPF_RECODE) == 0 && vfs_path_element_need_cleanup_converter (element))
+        {
+            if ((flags & VPF_HIDE_CHARSET) == 0)
+            {
+                if ((!is_relative)
+                    && (buffer->len == 0 || !IS_PATH_SEP (buffer->str[buffer->len - 1])))
+                    g_string_append (buffer, PATH_SEP_STR);
+                g_string_append (buffer, VFS_ENCODING_PREFIX);
+                g_string_append (buffer, element->encoding);
+            }
+            str_vfs_convert_from (element->dir.converter, element->path, recode_buffer);
+            vfs_append_from_path (recode_buffer->str, is_relative);
+            g_string_set_size (recode_buffer, 0);
+        }
+        else
+#endif
+        {
+            vfs_append_from_path (element->path, is_relative);
+        }
+    }
+    g_string_free (recode_buffer, TRUE);
+    return g_string_free (buffer, FALSE);
+}
+
+#undef vfs_append_from_path
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Convert first elements_count elements from vfs_path_t to string representation.
+ *
+ * @param vpath pointer to vfs_path_t object
+ * @param elements_count count of first elements for convert
+ *
+ * @return pointer to newly created string.
+ */
+
+char *
+vfs_path_to_str_elements_count (const vfs_path_t * vpath, int elements_count)
+{
+    return vfs_path_to_str_flags (vpath, elements_count, VPF_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Split path string to path elements with flags for change parce process.
+ *
+ * @param path_str VFS-path
+ * @param flags flags for parser
+ *
+ * @return pointer to newly created vfs_path_t object with filled path elements array.
+ */
+
+vfs_path_t *
+vfs_path_from_str_flags (const char *path_str, vfs_path_flag_t flags)
+{
+    vfs_path_t *vpath;
+    char *path;
+
+    if (path_str == NULL)
+        return NULL;
+
+    if ((flags & VPF_NO_CANON) == 0)
+        path = vfs_canon (path_str);
+    else
+        path = g_strdup (path_str);
+
+    if (path == NULL)
+        return NULL;
+
+    if ((flags & VPF_USE_DEPRECATED_PARSER) != 0 && vfs_path_is_str_path_deprecated (path))
+        vpath = vfs_path_from_str_deprecated_parser (path);
+    else
+        vpath = vfs_path_from_str_uri_parser (path);
+
+    vpath->str = vfs_path_to_str_flags (vpath, 0, flags);
+    g_free (path);
+
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Split path string to path elements.
+ *
+ * @param path_str VFS-path
+ *
+ * @return pointer to newly created vfs_path_t object with filled path elements array.
+ */
+
+vfs_path_t *
+vfs_path_from_str (const char *path_str)
+{
+    return vfs_path_from_str_flags (path_str, VPF_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Create new vfs_path_t object.
+ *
+ * @return pointer to newly created vfs_path_t object.
+ */
+
+vfs_path_t *
+vfs_path_new (void)
+{
+    vfs_path_t *vpath;
+
+    vpath = g_new0 (vfs_path_t, 1);
+    vpath->path = g_array_new (FALSE, TRUE, sizeof (vfs_path_element_t *));
+
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Get count of path elements.
+ *
+ * @param vpath pointer to vfs_path_t object
+ *
+ * @return count of path elements.
+ */
+
+int
+vfs_path_elements_count (const vfs_path_t * vpath)
+{
+    return (vpath != NULL && vpath->path != NULL) ? vpath->path->len : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Add vfs_path_element_t object to end of list in vfs_path_t object
+ * @param vpath pointer to vfs_path_t object
+ * @param path_element pointer to vfs_path_element_t object
+ */
+
+void
+vfs_path_add_element (vfs_path_t * vpath, const vfs_path_element_t * path_element)
+{
+    g_array_append_val (vpath->path, path_element);
+    g_free (vpath->str);
+    vpath->str = vfs_path_to_str_flags (vpath, 0, VPF_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Get one path element by index.
+ *
+ * @param vpath pointer to vfs_path_t object.
+ *              May be NULL. In this case NULL is returned and errno set to 0.
+ * @param element_index element index. May have negative value (in this case count was started at
+ *                      the end of list). If @element_index is out of range, NULL is returned and
+ *                      errno set to EINVAL.
+ *
+ * @return path element
+ */
+
+const vfs_path_element_t *
+vfs_path_get_by_index (const vfs_path_t * vpath, int element_index)
+{
+    int n;
+
+    if (vpath == NULL)
+    {
+        errno = 0;
+        return NULL;
+    }
+
+    n = vfs_path_elements_count (vpath);
+
+    if (element_index < 0)
+        element_index += n;
+
+    if (element_index < 0 || element_index > n)
+    {
+        errno = EINVAL;
+        return NULL;
+    }
+
+    return g_array_index (vpath->path, vfs_path_element_t *, element_index);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Clone one path element
+ *
+ * @param element pointer to vfs_path_element_t object
+ *
+ * @return Newly allocated path element
+ */
+
+vfs_path_element_t *
+vfs_path_element_clone (const vfs_path_element_t * element)
+{
+    vfs_path_element_t *new_element = g_new (vfs_path_element_t, 1);
+
+    new_element->user = g_strdup (element->user);
+    new_element->password = g_strdup (element->password);
+    new_element->host = g_strdup (element->host);
+    new_element->ipv6 = element->ipv6;
+    new_element->port = element->port;
+    new_element->path = g_strdup (element->path);
+    new_element->class = element->class;
+    new_element->vfs_prefix = g_strdup (element->vfs_prefix);
+#ifdef HAVE_CHARSET
+    new_element->encoding = g_strdup (element->encoding);
+    if (vfs_path_element_need_cleanup_converter (element) && new_element->encoding != NULL)
+        new_element->dir.converter = str_crt_conv_from (new_element->encoding);
+    else
+        new_element->dir.converter = element->dir.converter;
+#endif
+    new_element->dir.info = element->dir.info;
+
+    return new_element;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Free one path element.
+ *
+ * @param element pointer to vfs_path_element_t object
+ *
+ */
+
+void
+vfs_path_element_free (vfs_path_element_t * element)
+{
+    if (element == NULL)
+        return;
+
+    g_free (element->user);
+    g_free (element->password);
+    g_free (element->host);
+    g_free (element->path);
+    g_free (element->vfs_prefix);
+
+#ifdef HAVE_CHARSET
+    g_free (element->encoding);
+
+    if (vfs_path_element_need_cleanup_converter (element))
+        str_close_conv (element->dir.converter);
+#endif
+
+    g_free (element);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Clone path
+ *
+ * @param vpath pointer to vfs_path_t object
+ *
+ * @return Newly allocated path object
+ */
+
+vfs_path_t *
+vfs_path_clone (const vfs_path_t * vpath)
+{
+    vfs_path_t *new_vpath;
+    int vpath_element_index;
+
+    if (vpath == NULL)
+        return NULL;
+
+    new_vpath = vfs_path_new ();
+    new_vpath->relative = vpath->relative;
+
+    for (vpath_element_index = 0; vpath_element_index < vfs_path_elements_count (vpath);
+         vpath_element_index++)
+    {
+        vfs_path_element_t *path_element;
+
+        path_element = vfs_path_element_clone (vfs_path_get_by_index (vpath, vpath_element_index));
+        g_array_append_val (new_vpath->path, path_element);
+    }
+    new_vpath->str = g_strdup (vpath->str);
+
+    return new_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Free vfs_path_t object.
+ *
+ * @param vpath pointer to vfs_path_t object
+ * @param free_str if TRUE the string representation of vpath is freed as well
+ *
+ * @return the string representation of vpath (i.e. NULL if free_str is TRUE)
+ */
+
+char *
+vfs_path_free (vfs_path_t * vpath, gboolean free_str)
+{
+    int vpath_element_index;
+    char *ret;
+
+    if (vpath == NULL)
+        return NULL;
+
+    for (vpath_element_index = 0; vpath_element_index < vfs_path_elements_count (vpath);
+         vpath_element_index++)
+    {
+        vfs_path_element_t *path_element;
+
+        path_element = (vfs_path_element_t *) vfs_path_get_by_index (vpath, vpath_element_index);
+        vfs_path_element_free (path_element);
+    }
+
+    g_array_free (vpath->path, TRUE);
+
+    if (!free_str)
+        ret = vpath->str;
+    else
+    {
+        g_free (vpath->str);
+        ret = NULL;
+    }
+
+    g_free (vpath);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Remove one path element by index
+ *
+ * @param vpath pointer to vfs_path_t object
+ * @param element_index element index. May have negative value (in this case count was started at the end of list).
+ *
+ */
+
+void
+vfs_path_remove_element_by_index (vfs_path_t * vpath, int element_index)
+{
+    vfs_path_element_t *element;
+
+    if ((vpath == NULL) || (vfs_path_elements_count (vpath) == 1))
+        return;
+
+    if (element_index < 0)
+        element_index = vfs_path_elements_count (vpath) + element_index;
+
+    element = (vfs_path_element_t *) vfs_path_get_by_index (vpath, element_index);
+    vpath->path = g_array_remove_index (vpath->path, element_index);
+    vfs_path_element_free (element);
+    g_free (vpath->str);
+    vpath->str = vfs_path_to_str_flags (vpath, 0, VPF_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Return VFS class for the given prefix */
+
+struct vfs_class *
+vfs_prefix_to_class (const char *prefix)
+{
+    guint i;
+
+    /* Avoid first class (localfs) that would accept any prefix */
+    for (i = 1; i < vfs__classes_list->len; i++)
+    {
+        struct vfs_class *vfs;
+
+        vfs = VFS_CLASS (g_ptr_array_index (vfs__classes_list, i));
+        if (vfs->which != NULL)
+        {
+            if (vfs->which (vfs, prefix) == -1)
+                continue;
+            return vfs;
+        }
+
+        if (vfs->prefix != NULL && strncmp (prefix, vfs->prefix, strlen (vfs->prefix)) == 0)
+            return vfs;
+    }
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_CHARSET
+
+/**
+ * Check if need cleanup charset converter for vfs_path_element_t
+ *
+ * @param element part of path
+ *
+ * @return TRUE if need cleanup converter or FALSE otherwise
+ */
+
+gboolean
+vfs_path_element_need_cleanup_converter (const vfs_path_element_t * element)
+{
+    return (element->dir.converter != str_cnv_from_term && element->dir.converter != INVALID_CONV);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Change encoding for last part (vfs_path_element_t) of vpath
+ *
+ * @param vpath pointer to path structure
+ * encoding name of charset
+ *
+ * @return pointer to path structure (for use function in anoter functions)
+ */
+vfs_path_t *
+vfs_path_change_encoding (vfs_path_t * vpath, const char *encoding)
+{
+    vfs_path_element_t *path_element;
+
+    path_element = (vfs_path_element_t *) vfs_path_get_by_index (vpath, -1);
+    /* don't add current encoding */
+    if ((path_element->encoding != NULL) && (strcmp (encoding, path_element->encoding) == 0))
+        return vpath;
+
+    g_free (path_element->encoding);
+    path_element->encoding = g_strdup (encoding);
+
+    if (vfs_path_element_need_cleanup_converter (path_element))
+        str_close_conv (path_element->dir.converter);
+
+    path_element->dir.converter = str_crt_conv_from (path_element->encoding);
+
+    g_free (vpath->str);
+    vpath->str = vfs_path_to_str_flags (vpath, 0, VPF_NONE);
+    return vpath;
+}
+
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Serialize vfs_path_t object to string
+ *
+ * @param vpath data for serialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return serialized vpath as newly allocated string
+ */
+
+char *
+vfs_path_serialize (const vfs_path_t * vpath, GError ** mcerror)
+{
+    mc_config_t *cpath;
+    ssize_t element_index;
+    char *ret_value;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    if ((vpath == NULL) || (vfs_path_elements_count (vpath) == 0))
+    {
+        mc_propagate_error (mcerror, 0, "%s", "vpath object is empty");
+        return NULL;
+    }
+
+    cpath = mc_config_init (NULL, FALSE);
+
+    for (element_index = 0; element_index < vfs_path_elements_count (vpath); element_index++)
+    {
+        char groupname[BUF_TINY];
+        const vfs_path_element_t *element;
+
+        g_snprintf (groupname, sizeof (groupname), "path-element-%zd", element_index);
+        element = vfs_path_get_by_index (vpath, element_index);
+        /* convert one element to config group */
+
+        mc_config_set_string_raw (cpath, groupname, "path", element->path);
+        mc_config_set_string_raw (cpath, groupname, "class-name", element->class->name);
+#ifdef HAVE_CHARSET
+        mc_config_set_string_raw (cpath, groupname, "encoding", element->encoding);
+#endif
+        mc_config_set_string_raw (cpath, groupname, "vfs_prefix", element->vfs_prefix);
+
+        mc_config_set_string_raw (cpath, groupname, "user", element->user);
+        mc_config_set_string_raw (cpath, groupname, "password", element->password);
+        mc_config_set_string_raw (cpath, groupname, "host", element->host);
+        if (element->port != 0)
+            mc_config_set_int (cpath, groupname, "port", element->port);
+    }
+
+    ret_value = mc_serialize_config (cpath, mcerror);
+    mc_config_deinit (cpath);
+    return ret_value;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deserialize string to vfs_path_t object
+ *
+ * @param data data for serialization
+ * @param error contain pointer to object for handle error code and message
+ *
+ * @return newly allocated vfs_path_t object
+ */
+
+vfs_path_t *
+vfs_path_deserialize (const char *data, GError ** mcerror)
+{
+    mc_config_t *cpath;
+    size_t element_index;
+    vfs_path_t *vpath;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    cpath = mc_deserialize_config (data, mcerror);
+    if (cpath == NULL)
+        return NULL;
+
+    vpath = vfs_path_new ();
+
+    for (element_index = 0;; element_index++)
+    {
+        struct vfs_class *eclass;
+        vfs_path_element_t *element;
+        char *cfg_value;
+        char groupname[BUF_TINY];
+
+        g_snprintf (groupname, sizeof (groupname), "path-element-%zu", element_index);
+        if (!mc_config_has_group (cpath, groupname))
+            break;
+
+        cfg_value = mc_config_get_string_raw (cpath, groupname, "class-name", NULL);
+        eclass = vfs_get_class_by_name (cfg_value);
+        if (eclass == NULL)
+        {
+            vfs_path_free (vpath, TRUE);
+            g_set_error (mcerror, MC_ERROR, 0, "Unable to find VFS class by name '%s'", cfg_value);
+            g_free (cfg_value);
+            mc_config_deinit (cpath);
+            return NULL;
+        }
+        g_free (cfg_value);
+
+        element = g_new0 (vfs_path_element_t, 1);
+        element->class = eclass;
+        element->path = mc_config_get_string_raw (cpath, groupname, "path", NULL);
+
+#ifdef HAVE_CHARSET
+        element->encoding = mc_config_get_string_raw (cpath, groupname, "encoding", NULL);
+        element->dir.converter =
+            (element->encoding != NULL) ? str_crt_conv_from (element->encoding) : INVALID_CONV;
+#endif
+
+        element->vfs_prefix = mc_config_get_string_raw (cpath, groupname, "vfs_prefix", NULL);
+
+        element->user = mc_config_get_string_raw (cpath, groupname, "user", NULL);
+        element->password = mc_config_get_string_raw (cpath, groupname, "password", NULL);
+        element->host = mc_config_get_string_raw (cpath, groupname, "host", NULL);
+        element->port = mc_config_get_int (cpath, groupname, "port", 0);
+
+        vpath->path = g_array_append_val (vpath->path, element);
+    }
+
+    mc_config_deinit (cpath);
+    if (vfs_path_elements_count (vpath) == 0)
+    {
+        vfs_path_free (vpath, TRUE);
+        g_set_error (mcerror, MC_ERROR, 0, "No any path elements found");
+        return NULL;
+    }
+    vpath->str = vfs_path_to_str_flags (vpath, 0, VPF_NONE);
+
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Build vfs_path_t object from arguments.
+ *
+ * @param first_element of path
+ * @param ... path tokens, terminated by NULL
+ *
+ * @return newly allocated vfs_path_t object
+ */
+
+vfs_path_t *
+vfs_path_build_filename (const char *first_element, ...)
+{
+    va_list args;
+    char *str_path;
+    vfs_path_t *vpath;
+
+    if (first_element == NULL)
+        return NULL;
+
+    va_start (args, first_element);
+    str_path = mc_build_filenamev (first_element, args);
+    va_end (args);
+    vpath = vfs_path_from_str (str_path);
+    g_free (str_path);
+    return vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Append tokens to path object
+ *
+ * @param vpath path object
+ * @param first_element of path
+ * @param ... NULL-terminated strings
+ *
+ * @return newly allocated path object
+ */
+
+vfs_path_t *
+vfs_path_append_new (const vfs_path_t * vpath, const char *first_element, ...)
+{
+    va_list args;
+    char *str_path;
+    const char *result_str;
+    vfs_path_t *ret_vpath;
+
+    if (vpath == NULL || first_element == NULL)
+        return NULL;
+
+    va_start (args, first_element);
+    str_path = mc_build_filenamev (first_element, args);
+    va_end (args);
+
+    result_str = vfs_path_as_str (vpath);
+    ret_vpath = vfs_path_build_filename (result_str, str_path, (char *) NULL);
+    g_free (str_path);
+
+    return ret_vpath;
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Append vpath_t tokens to path object
+ *
+ * @param first_vpath vpath objects
+ * @param ... NULL-terminated vpath objects
+ *
+ * @return newly allocated path object
+ */
+
+vfs_path_t *
+vfs_path_append_vpath_new (const vfs_path_t * first_vpath, ...)
+{
+    va_list args;
+    vfs_path_t *ret_vpath;
+    const vfs_path_t *current_vpath = first_vpath;
+
+    if (first_vpath == NULL)
+        return NULL;
+
+    ret_vpath = vfs_path_new ();
+
+    va_start (args, first_vpath);
+    do
+    {
+        int vindex;
+
+        for (vindex = 0; vindex < vfs_path_elements_count (current_vpath); vindex++)
+        {
+            vfs_path_element_t *path_element;
+
+            path_element = vfs_path_element_clone (vfs_path_get_by_index (current_vpath, vindex));
+            g_array_append_val (ret_vpath->path, path_element);
+        }
+        current_vpath = va_arg (args, const vfs_path_t *);
+    }
+    while (current_vpath != NULL);
+    va_end (args);
+
+    ret_vpath->str = vfs_path_to_str_flags (ret_vpath, 0, VPF_NONE);
+
+    return ret_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * get tockens count in path.
+ *
+ * @param vpath path object
+ *
+ * @return count of tokens
+ */
+
+size_t
+vfs_path_tokens_count (const vfs_path_t * vpath)
+{
+    size_t count_tokens = 0;
+    int element_index;
+
+    if (vpath == NULL)
+        return 0;
+
+    for (element_index = 0; element_index < vfs_path_elements_count (vpath); element_index++)
+    {
+        const vfs_path_element_t *element;
+        const char *token, *prev_token;
+
+        element = vfs_path_get_by_index (vpath, element_index);
+
+        for (prev_token = element->path; (token = strchr (prev_token, PATH_SEP)) != NULL;
+             prev_token = token + 1)
+        {
+            /* skip empty substring */
+            if (token != prev_token)
+                count_tokens++;
+        }
+
+        if (*prev_token != '\0')
+            count_tokens++;
+    }
+
+    return count_tokens;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get subpath by tokens
+ *
+ * @param vpath path object
+ * @param start_position first token for got/ Started from 0.
+ *        If negative, then position will be relative to end of path
+ * @param length count of tokens
+ *
+ * @return newly allocated string with path tokens separated by slash
+ */
+
+char *
+vfs_path_tokens_get (const vfs_path_t * vpath, ssize_t start_position, ssize_t length)
+{
+    GString *ret_tokens, *element_tokens;
+    int element_index;
+    size_t tokens_count = vfs_path_tokens_count (vpath);
+
+    if (vpath == NULL)
+        return NULL;
+
+    if (length == 0)
+        length = tokens_count;
+
+    if (length < 0)
+        length = tokens_count + length;
+
+    if (start_position < 0)
+        start_position = (ssize_t) tokens_count + start_position;
+
+    if (start_position < 0)
+        return NULL;
+
+    if (start_position >= (ssize_t) tokens_count)
+        return NULL;
+
+    if (start_position + (ssize_t) length > (ssize_t) tokens_count)
+        length = tokens_count - start_position;
+
+    ret_tokens = g_string_sized_new (32);
+    element_tokens = g_string_sized_new (32);
+
+    for (element_index = 0; element_index < vfs_path_elements_count (vpath); element_index++)
+    {
+        const vfs_path_element_t *element;
+        char **path_tokens, **iterator;
+
+        g_string_assign (element_tokens, "");
+        element = vfs_path_get_by_index (vpath, element_index);
+        path_tokens = g_strsplit (element->path, PATH_SEP_STR, -1);
+
+        for (iterator = path_tokens; *iterator != NULL; iterator++)
+        {
+            if (**iterator != '\0')
+            {
+                if (start_position == 0)
+                {
+                    if (length == 0)
+                    {
+                        vfs_path_tokens_add_class_info (element, ret_tokens, element_tokens);
+                        g_string_free (element_tokens, TRUE);
+                        g_strfreev (path_tokens);
+                        return g_string_free (ret_tokens, FALSE);
+                    }
+                    length--;
+                    if (element_tokens->len != 0)
+                        g_string_append_c (element_tokens, PATH_SEP);
+                    g_string_append (element_tokens, *iterator);
+                }
+                else
+                    start_position--;
+            }
+        }
+        g_strfreev (path_tokens);
+        vfs_path_tokens_add_class_info (element, ret_tokens, element_tokens);
+    }
+
+    g_string_free (element_tokens, TRUE);
+    return g_string_free (ret_tokens, !(start_position == 0 && length == 0));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get subpath by tokens
+ *
+ * @param vpath path object
+ * @param start_position first token for got/ Started from 0.
+ *        If negative, then position will be relative to end of path
+ * @param length count of tokens
+ *
+ * @return newly allocated path object with path tokens separated by slash
+ */
+
+vfs_path_t *
+vfs_path_vtokens_get (const vfs_path_t * vpath, ssize_t start_position, ssize_t length)
+{
+    char *str_tokens;
+    vfs_path_t *ret_vpath = NULL;
+
+    str_tokens = vfs_path_tokens_get (vpath, start_position, length);
+    if (str_tokens != NULL)
+    {
+        ret_vpath = vfs_path_from_str_flags (str_tokens, VPF_NO_CANON);
+        g_free (str_tokens);
+    }
+    return ret_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Build URL parameters (such as user:pass @ host:port) from one path element object
+ *
+ * @param element path element
+ * @param keep_password TRUE or FALSE
+ *
+ * @return newly allocated string
+ */
+
+char *
+vfs_path_build_url_params_str (const vfs_path_element_t * element, gboolean keep_password)
+{
+    GString *buffer;
+
+    if (element == NULL)
+        return NULL;
+
+    buffer = g_string_new ("");
+
+    if (element->user != NULL)
+        g_string_append (buffer, element->user);
+
+    if (element->password != NULL && keep_password)
+    {
+        g_string_append_c (buffer, ':');
+        g_string_append (buffer, element->password);
+    }
+
+    if (element->host != NULL)
+    {
+        if ((element->user != NULL) || (element->password != NULL))
+            g_string_append_c (buffer, '@');
+        if (element->ipv6)
+            g_string_append_c (buffer, '[');
+        g_string_append (buffer, element->host);
+        if (element->ipv6)
+            g_string_append_c (buffer, ']');
+    }
+
+    if ((element->port) != 0 && (element->host != NULL))
+    {
+        g_string_append_c (buffer, ':');
+        g_string_append_printf (buffer, "%d", element->port);
+    }
+
+    return g_string_free (buffer, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Build pretty string representation of one path_element_t object
+ *
+ * @param element path element
+ *
+ * @return newly allocated string
+ */
+
+char *
+vfs_path_element_build_pretty_path_str (const vfs_path_element_t * element)
+{
+    char *url_params;
+    GString *pretty_path;
+
+    pretty_path = g_string_new (element->class->prefix);
+    g_string_append (pretty_path, VFS_PATH_URL_DELIMITER);
+
+    url_params = vfs_path_build_url_params_str (element, FALSE);
+    g_string_append (pretty_path, url_params);
+    g_free (url_params);
+
+    if (!IS_PATH_SEP (*element->path))
+        g_string_append_c (pretty_path, PATH_SEP);
+
+    g_string_append (pretty_path, element->path);
+    return g_string_free (pretty_path, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Compare two path objects as strings
+ *
+ * @param vpath1 first path object
+ * @param vpath2 second vpath object
+ *
+ * @return integer value like to strcmp.
+ */
+
+gboolean
+vfs_path_equal (const vfs_path_t * vpath1, const vfs_path_t * vpath2)
+{
+    const char *path1, *path2;
+    gboolean ret_val;
+
+    if (vpath1 == NULL || vpath2 == NULL)
+        return FALSE;
+
+    path1 = vfs_path_as_str (vpath1);
+    path2 = vfs_path_as_str (vpath2);
+
+    ret_val = strcmp (path1, path2) == 0;
+
+    return ret_val;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Compare two path objects as strings
+ *
+ * @param vpath1 first path object
+ * @param vpath2 second vpath object
+ * @param len number of first 'len' characters
+ *
+ * @return integer value like to strcmp.
+ */
+
+gboolean
+vfs_path_equal_len (const vfs_path_t * vpath1, const vfs_path_t * vpath2, size_t len)
+{
+    const char *path1, *path2;
+    gboolean ret_val;
+
+    if (vpath1 == NULL || vpath2 == NULL)
+        return FALSE;
+
+    path1 = vfs_path_as_str (vpath1);
+    path2 = vfs_path_as_str (vpath2);
+
+    ret_val = strncmp (path1, path2, len) == 0;
+
+    return ret_val;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculate path length in string representation
+ *
+ * @param vpath path object
+ *
+ * @return length of path
+ */
+
+size_t
+vfs_path_len (const vfs_path_t * vpath)
+{
+    if (vpath == NULL)
+        return 0;
+
+    return strlen (vpath->str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Convert relative vpath object to absolute
+ *
+ * @param vpath path object
+ *
+ * @return absolute path object
+ */
+
+vfs_path_t *
+vfs_path_to_absolute (const vfs_path_t * vpath)
+{
+    vfs_path_t *absolute_vpath;
+    const char *path_str;
+
+    if (!vpath->relative)
+        return vfs_path_clone (vpath);
+
+    path_str = vfs_path_as_str (vpath);
+    absolute_vpath = vfs_path_from_str (path_str);
+    return absolute_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/path.h b/lib/vfs/path.h
new file mode 100644
index 0000000..d085e1a
--- /dev/null
+++ b/lib/vfs/path.h
@@ -0,0 +1,149 @@
+#ifndef MC__VFS_PATH_H
+#define MC__VFS_PATH_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define VFS_PATH_URL_DELIMITER "://"
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    VPF_NONE = 0,
+    VPF_NO_CANON = 1 << 0,
+    VPF_USE_DEPRECATED_PARSER = 1 << 1,
+    VPF_RECODE = 1 << 2,
+    VPF_STRIP_HOME = 1 << 3,
+    VPF_STRIP_PASSWORD = 1 << 4,
+    VPF_HIDE_CHARSET = 1 << 5
+} vfs_path_flag_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct vfs_class;
+struct vfs_url_struct;
+
+typedef struct
+{
+    gboolean relative;
+    GArray *path;
+    char *str;
+} vfs_path_t;
+
+typedef struct
+{
+    char *user;
+    char *password;
+    char *host;
+    gboolean ipv6;
+    int port;
+    char *path;
+    struct vfs_class *class;
+#ifdef HAVE_CHARSET
+    char *encoding;
+#endif
+    char *vfs_prefix;
+
+    struct
+    {
+#ifdef HAVE_CHARSET
+        GIConv converter;
+#endif
+        DIR *info;
+    } dir;
+} vfs_path_element_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+vfs_path_t *vfs_path_new (void);
+vfs_path_t *vfs_path_clone (const vfs_path_t * vpath);
+void vfs_path_remove_element_by_index (vfs_path_t * vpath, int element_index);
+char *vfs_path_free (vfs_path_t * path, gboolean free_str);
+int vfs_path_elements_count (const vfs_path_t * path);
+
+char *vfs_path_to_str_elements_count (const vfs_path_t * path, int elements_count);
+char *vfs_path_to_str_flags (const vfs_path_t * vpath, int elements_count, vfs_path_flag_t flags);
+vfs_path_t *vfs_path_from_str (const char *path_str);
+vfs_path_t *vfs_path_from_str_flags (const char *path_str, vfs_path_flag_t flags);
+vfs_path_t *vfs_path_build_filename (const char *first_element, ...);
+vfs_path_t *vfs_path_append_new (const vfs_path_t * vpath, const char *first_element, ...);
+vfs_path_t *vfs_path_append_vpath_new (const vfs_path_t * first_vpath, ...);
+size_t vfs_path_tokens_count (const vfs_path_t * vpath);
+char *vfs_path_tokens_get (const vfs_path_t * vpath, ssize_t start_position, ssize_t length);
+vfs_path_t *vfs_path_vtokens_get (const vfs_path_t * vpath, ssize_t start_position, ssize_t length);
+
+void vfs_path_add_element (vfs_path_t * vpath, const vfs_path_element_t * path_element);
+const vfs_path_element_t *vfs_path_get_by_index (const vfs_path_t * path, int element_index);
+vfs_path_element_t *vfs_path_element_clone (const vfs_path_element_t * element);
+void vfs_path_element_free (vfs_path_element_t * element);
+
+struct vfs_class *vfs_prefix_to_class (const char *prefix);
+
+#ifdef HAVE_CHARSET
+gboolean vfs_path_element_need_cleanup_converter (const vfs_path_element_t * element);
+vfs_path_t *vfs_path_change_encoding (vfs_path_t * vpath, const char *encoding);
+#endif
+
+char *vfs_path_serialize (const vfs_path_t * vpath, GError ** error);
+vfs_path_t *vfs_path_deserialize (const char *data, GError ** error);
+
+char *vfs_path_build_url_params_str (const vfs_path_element_t * element, gboolean keep_password);
+char *vfs_path_element_build_pretty_path_str (const vfs_path_element_t * element);
+
+size_t vfs_path_len (const vfs_path_t * vpath);
+gboolean vfs_path_equal (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+gboolean vfs_path_equal_len (const vfs_path_t * vpath1, const vfs_path_t * vpath2, size_t len);
+vfs_path_t *vfs_path_to_absolute (const vfs_path_t * vpath);
+
+/*** inline functions ****************************************************************************/
+
+static inline gboolean
+vfs_path_element_valid (const vfs_path_element_t * element)
+{
+    return (element != NULL && element->class != NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline const char *
+vfs_path_get_last_path_str (const vfs_path_t * vpath)
+{
+    const vfs_path_element_t *element;
+    if (vpath == NULL)
+        return NULL;
+    element = vfs_path_get_by_index (vpath, -1);
+    return (element != NULL) ? element->path : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline const struct vfs_class *
+vfs_path_get_last_path_vfs (const vfs_path_t * vpath)
+{
+    const vfs_path_element_t *element;
+    if (vpath == NULL)
+        return NULL;
+    element = vfs_path_get_by_index (vpath, -1);
+    return (element != NULL) ? element->class : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Convert vfs_path_t to string representation.
+ *
+ * @param vpath pointer to vfs_path_t object
+ *
+ * @return pointer to constant string
+ */
+
+static inline const char *
+vfs_path_as_str (const vfs_path_t * vpath)
+{
+    return (vpath == NULL ? NULL : vpath->str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif
diff --git a/lib/vfs/utilvfs.c b/lib/vfs/utilvfs.c
new file mode 100644
index 0000000..21a2345
--- /dev/null
+++ b/lib/vfs/utilvfs.c
@@ -0,0 +1,376 @@
+/*
+   Utilities for VFS modules.
+
+   Copyright (C) 1988-2022
+   Free Software Foundation, Inc.
+
+   Copyright (C) 1995, 1996 Miguel de Icaza
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Utilities for VFS modules
+ * \author Miguel de Icaza
+ * \date 1995, 1996
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/unixcompat.h"
+#include "lib/util.h"           /* mc_mkstemps() */
+#include "lib/widget.h"         /* message() */
+#include "lib/strutil.h"        /* INVALID_CONV */
+
+#include "vfs.h"
+#include "utilvfs.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifndef TUNMLEN
+#define TUNMLEN 256
+#endif
+#ifndef TGNMLEN
+#define TGNMLEN 256
+#endif
+
+#define MC_HISTORY_VFS_PASSWORD       "mc.vfs.password"
+
+/*
+ * FIXME2, the "-993" is to reduce the chance of a hit on the first lookup.
+ */
+#define GUID_DEFAULT_CONST -993
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/** Get current username
+ *
+ * @return g_malloc()ed string with the name of the currently logged in
+ *         user ("anonymous" if uid is not registered in the system)
+ */
+
+char *
+vfs_get_local_username (void)
+{
+    struct passwd *p_i;
+
+    p_i = getpwuid (geteuid ());
+
+    return (p_i && p_i->pw_name) ? g_strdup (p_i->pw_name) : g_strdup ("anonymous");    /* Unknown UID, strange */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Look up a user or group name from a uid/gid, maintaining a cache.
+ * FIXME, for now it's a one-entry cache.
+ * This file should be modified for non-unix systems to do something
+ * reasonable.
+ */
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_finduid (const char *uname)
+{
+    static int saveuid = GUID_DEFAULT_CONST;
+    static char saveuname[TUNMLEN] = "\0";
+
+    size_t uname_len;
+
+    uname_len = strlen (uname);
+
+    if (uname[0] != saveuname[0]        /* Quick test w/o proc call */
+        || strncmp (uname, saveuname, MIN (uname_len, TUNMLEN - 1)) != 0)
+    {
+        struct passwd *pw;
+
+        g_strlcpy (saveuname, uname, TUNMLEN);
+        pw = getpwnam (uname);
+        if (pw)
+        {
+            saveuid = pw->pw_uid;
+        }
+        else
+        {
+            static int my_uid = GUID_DEFAULT_CONST;
+
+            if (my_uid < 0)
+                my_uid = getuid ();
+
+            saveuid = my_uid;
+        }
+    }
+    return saveuid;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_findgid (const char *gname)
+{
+    static int savegid = GUID_DEFAULT_CONST;
+    static char savegname[TGNMLEN] = "\0";
+
+    size_t gname_len;
+
+    gname_len = strlen (gname);
+
+    if (gname[0] != savegname[0]        /* Quick test w/o proc call */
+        || strncmp (gname, savegname, MIN (gname_len, TGNMLEN - 1)) != 0)
+    {
+        struct group *gr;
+
+        g_strlcpy (savegname, gname, TGNMLEN);
+        gr = getgrnam (gname);
+        if (gr)
+        {
+            savegid = gr->gr_gid;
+        }
+        else
+        {
+            static int my_gid = GUID_DEFAULT_CONST;
+
+            if (my_gid < 0)
+                my_gid = getgid ();
+
+            savegid = my_gid;
+        }
+    }
+    return savegid;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create a temporary file with a name resembling the original.
+ * This is needed e.g. for local copies requested by extfs.
+ * Some extfs scripts may look at the extension.
+ * We also protect stupid scripts agains dangerous names.
+ */
+
+int
+vfs_mkstemps (vfs_path_t ** pname_vpath, const char *prefix, const char *param_basename)
+{
+    const char *p;
+    GString *suffix;
+    int shift;
+    int fd;
+
+    /* Strip directories */
+    p = strrchr (param_basename, PATH_SEP);
+    if (p == NULL)
+        p = param_basename;
+    else
+        p++;
+
+    /* Protection against very long names */
+    shift = strlen (p) - (MC_MAXPATHLEN - 16);
+    if (shift > 0)
+        p += shift;
+
+    suffix = g_string_sized_new (32);
+
+    /* Protection against unusual characters */
+    for (; *p != '\0' && *p != '#'; p++)
+        if (strchr (".-_@", *p) != NULL || g_ascii_isalnum (*p))
+            g_string_append_c (suffix, *p);
+
+    fd = mc_mkstemps (pname_vpath, prefix, suffix->str);
+    g_string_free (suffix, TRUE);
+
+    return fd;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**  Extract the hostname and username from the path
+ *
+ * Format of the path is [user@]hostname:port/remote-dir, e.g.:
+ *
+ * ftp://sunsite.unc.edu/pub/linux
+ * ftp://miguel@sphinx.nuclecu.unam.mx/c/nc
+ * ftp://tsx-11.mit.edu:8192/
+ * ftp://joe@foo.edu:11321/private
+ * ftp://joe:password@foo.se
+ *
+ * @param path is an input string to be parsed
+ * @param default_port is an input default port
+ * @param flags are parsing modifier flags (@see vfs_url_flags_t)
+ *
+ * @return g_malloc()ed url info.
+ *         If the user is empty, e.g. ftp://@roxanne/private, and URL_USE_ANONYMOUS
+ *         is not set, then the current login name is supplied.
+ *         Return value is a g_malloc()ed structure with the pathname relative to the
+ *         host.
+ */
+
+vfs_path_element_t *
+vfs_url_split (const char *path, int default_port, vfs_url_flags_t flags)
+{
+    vfs_path_element_t *path_element;
+
+    char *pcopy;
+    size_t pcopy_len;
+    const char *pend;
+    char *colon, *at, *rest;
+
+    path_element = g_new0 (vfs_path_element_t, 1);
+    path_element->port = default_port;
+
+    pcopy_len = strlen (path);
+    pcopy = g_strndup (path, pcopy_len);
+    pend = pcopy + pcopy_len;
+
+    if ((flags & URL_NOSLASH) == 0)
+    {
+        char *dir = pcopy;
+
+        /* locate path component */
+        while (!IS_PATH_SEP (*dir) && *dir != '\0')
+            dir++;
+        if (*dir == '\0')
+            path_element->path = g_strdup (PATH_SEP_STR);
+        else
+        {
+            path_element->path = g_strndup (dir, pcopy_len - (size_t) (dir - pcopy));
+            *dir = '\0';
+        }
+    }
+
+    /* search for any possible user */
+    at = strrchr (pcopy, '@');
+
+    /* We have a username */
+    if (at == NULL)
+        rest = pcopy;
+    else
+    {
+        char *inner_colon;
+
+        *at = '\0';
+        inner_colon = strchr (pcopy, ':');
+        if (inner_colon != NULL)
+        {
+            *inner_colon = '\0';
+            inner_colon++;
+            path_element->password = g_strdup (inner_colon);
+        }
+
+        if (*pcopy != '\0')
+            path_element->user = g_strdup (pcopy);
+
+        if (pend == at + 1)
+            rest = at;
+        else
+            rest = at + 1;
+    }
+
+    if ((flags & URL_USE_ANONYMOUS) == 0)
+    {
+        g_free (path_element->user);
+        path_element->user = vfs_get_local_username ();
+    }
+    /* Check if the host comes with a port spec, if so, chop it */
+    if (*rest != '[')
+        colon = strchr (rest, ':');
+    else
+    {
+        colon = strchr (++rest, ']');
+        if (colon != NULL)
+        {
+            colon[0] = '\0';
+            colon[1] = '\0';
+            colon++;
+        }
+        else
+        {
+            vfs_path_element_free (path_element);
+            g_free (pcopy);
+            return NULL;
+        }
+    }
+
+    if (colon != NULL)
+    {
+        *colon = '\0';
+        /* cppcheck-suppress invalidscanf */
+        if (sscanf (colon + 1, "%d", &path_element->port) == 1)
+        {
+            if (path_element->port <= 0 || path_element->port >= 65536)
+                path_element->port = default_port;
+        }
+        else
+            while (*(++colon) != '\0')
+            {
+                switch (*colon)
+                {
+                case 'C':
+                    path_element->port = 1;
+                    break;
+                case 'r':
+                    path_element->port = 2;
+                    break;
+                default:
+                    break;
+                }
+            }
+    }
+
+    path_element->host = g_strdup (rest);
+    g_free (pcopy);
+#ifdef HAVE_CHARSET
+    path_element->dir.converter = INVALID_CONV;
+#endif
+
+    return path_element;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void __attribute__ ((noreturn)) vfs_die (const char *m)
+{
+    message (D_ERROR, _("Internal error:"), "%s", m);
+    exit (EXIT_FAILURE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+vfs_get_password (const char *msg)
+{
+    return input_dialog (msg, _("Password:"), MC_HISTORY_VFS_PASSWORD, INPUT_PASSWORD,
+                         INPUT_COMPLETE_NONE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/utilvfs.h b/lib/vfs/utilvfs.h
new file mode 100644
index 0000000..d50d4b6
--- /dev/null
+++ b/lib/vfs/utilvfs.h
@@ -0,0 +1,64 @@
+
+/**
+ * \file
+ * \brief Header: Utilities for VFS modules
+ * \author Miguel de Icaza
+ * \date 1995, 1996
+ */
+
+#ifndef MC_VFS_UTILVFS_H
+#define MC_VFS_UTILVFS_H
+
+#include <sys/stat.h>
+
+#include "lib/global.h"
+#include "path.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/** Bit flags for vfs_url_split()
+ *
+ *  Modify parsing parameters according to flag meaning.
+ *  @see vfs_url_split()
+ */
+typedef enum
+{
+    URL_FLAGS_NONE = 0,
+    URL_USE_ANONYMOUS = 1, /**< if set, empty *user will contain NULL instead of current */
+    URL_NOSLASH = 2        /**< if set, 'proto://' part in url is not searched */
+} vfs_url_flags_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+int vfs_finduid (const char *name);
+int vfs_findgid (const char *name);
+
+vfs_path_element_t *vfs_url_split (const char *path, int default_port, vfs_url_flags_t flags);
+int vfs_split_text (char *p);
+
+int vfs_mkstemps (vfs_path_t ** pname_vpath, const char *prefix, const char *basename);
+void vfs_die (const char *msg);
+char *vfs_get_password (const char *msg);
+
+char *vfs_get_local_username (void);
+
+gboolean vfs_parse_filetype (const char *s, size_t * ret_skipped, mode_t * ret_type);
+gboolean vfs_parse_fileperms (const char *s, size_t * ret_skipped, mode_t * ret_perms);
+gboolean vfs_parse_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode);
+gboolean vfs_parse_raw_filemode (const char *s, size_t * ret_skipped, mode_t * ret_mode);
+
+void vfs_parse_ls_lga_init (void);
+gboolean vfs_parse_ls_lga (const char *p, struct stat *s, char **filename, char **linkname,
+                           size_t * filename_pos);
+size_t vfs_parse_ls_lga_get_final_spaces (void);
+gboolean vfs_parse_month (const char *str, struct tm *tim);
+int vfs_parse_filedate (int idx, time_t * t);
+
+/*** inline functions ****************************************************************************/
+#endif
diff --git a/lib/vfs/vfs.c b/lib/vfs/vfs.c
new file mode 100644
index 0000000..8ef376f
--- /dev/null
+++ b/lib/vfs/vfs.c
@@ -0,0 +1,780 @@
+/*
+   Virtual File System switch code
+
+   Copyright (C) 1995-2022
+   Free Software Foundation, Inc.
+
+   Written by: 1995 Miguel de Icaza
+   Jakub Jelinek, 1995
+   Pavel Machek, 1998
+   Slava Zanko <slavazanko@gmail.com>, 2011-2013
+   Andrew Borodin <aborodin@vmail.ru>, 2011-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file
+ * \brief Source: Virtual File System switch code
+ * \author Miguel de Icaza
+ * \author Jakub Jelinek
+ * \author Pavel Machek
+ * \date 1995, 1998
+ * \warning functions like extfs_lstat() have right to destroy any
+ * strings you pass to them. This is acutally ok as you g_strdup what
+ * you are passing to them, anyway; still, beware.
+ *
+ * Namespace: exports *many* functions with vfs_ prefix; exports
+ * parse_ls_lga and friends which do not have that prefix.
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <stdlib.h>
+
+#ifdef __linux__
+#ifdef HAVE_LINUX_FS_H
+#include <linux/fs.h>
+#endif /* HAVE_LINUX_FS_H */
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif /* HAVE_SYS_IOCTL_H */
+#endif /* __linux__ */
+
+#include "lib/global.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"         /* message() */
+#include "lib/event.h"
+
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "vfs.h"
+#include "utilvfs.h"
+#include "gc.h"
+
+/* TODO: move it to the separate .h */
+extern struct vfs_dirent *mc_readdir_result;
+extern GPtrArray *vfs__classes_list;
+extern GString *vfs_str_buffer;
+extern vfs_class *current_vfs;
+
+/*** global variables ****************************************************************************/
+
+struct vfs_dirent *mc_readdir_result = NULL;
+GPtrArray *vfs__classes_list = NULL;
+GString *vfs_str_buffer = NULL;
+vfs_class *current_vfs = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define VFS_FIRST_HANDLE 100
+
+/*** file scope type declarations ****************************************************************/
+
+struct vfs_openfile
+{
+    int handle;
+    vfs_class *vclass;
+    void *fsinfo;
+};
+
+/*** file scope variables ************************************************************************/
+
+/** They keep track of the current directory */
+static vfs_path_t *current_path = NULL;
+
+static GPtrArray *vfs_openfiles = NULL;
+static long vfs_free_handle_list = -1;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/* now used only by vfs_translate_path, but could be used in other vfs 
+ * plugin to automatic detect encoding
+ * path - path to translate
+ * size - how many bytes from path translate
+ * defcnv - convertor, that is used as default, when path does not contain any
+ *          #enc: subtring
+ * buffer - used to store result of translation
+ */
+
+static estr_t
+_vfs_translate_path (const char *path, int size, GIConv defcnv, GString * buffer)
+{
+    estr_t state = ESTR_SUCCESS;
+#ifdef HAVE_CHARSET
+    const char *semi;
+
+    if (size == 0)
+        return ESTR_SUCCESS;
+
+    size = (size > 0) ? size : (signed int) strlen (path);
+
+    /* try found /#enc: */
+    semi = g_strrstr_len (path, size, VFS_ENCODING_PREFIX);
+    if (semi != NULL && (semi == path || IS_PATH_SEP (semi[-1])))
+    {
+        char encoding[16];
+        const char *slash;
+        GIConv coder = INVALID_CONV;
+        int ms;
+
+        /* first must be translated part before #enc: */
+        ms = semi - path;
+
+        state = _vfs_translate_path (path, ms, defcnv, buffer);
+
+        if (state != ESTR_SUCCESS)
+            return state;
+
+        /* now can be translated part after #enc: */
+        semi += strlen (VFS_ENCODING_PREFIX);   /* skip "#enc:" */
+        slash = strchr (semi, PATH_SEP);
+        /* ignore slashes after size; */
+        if (slash - path >= size)
+            slash = NULL;
+
+        ms = (slash != NULL) ? slash - semi : (int) strlen (semi);
+        ms = MIN ((unsigned int) ms, sizeof (encoding) - 1);
+        /* limit encoding size (ms) to path size (size) */
+        if (semi + ms > path + size)
+            ms = path + size - semi;
+        memcpy (encoding, semi, ms);
+        encoding[ms] = '\0';
+
+        if (is_supported_encoding (encoding))
+            coder = str_crt_conv_to (encoding);
+
+        if (coder != INVALID_CONV)
+        {
+            if (slash != NULL)
+                state = str_vfs_convert_to (coder, slash + 1, path + size - slash - 1, buffer);
+            str_close_conv (coder);
+            return state;
+        }
+
+        errno = EINVAL;
+        state = ESTR_FAILURE;
+    }
+    else
+    {
+        /* path can be translated whole at once */
+        state = str_vfs_convert_to (defcnv, path, size, buffer);
+    }
+#else
+    (void) size;
+    (void) defcnv;
+
+    g_string_assign (buffer, path);
+#endif /* HAVE_CHARSET */
+
+    return state;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static struct vfs_openfile *
+vfs_get_openfile (int handle)
+{
+    struct vfs_openfile *h;
+
+    if (handle < VFS_FIRST_HANDLE || (guint) (handle - VFS_FIRST_HANDLE) >= vfs_openfiles->len)
+        return NULL;
+
+    h = (struct vfs_openfile *) g_ptr_array_index (vfs_openfiles, handle - VFS_FIRST_HANDLE);
+    if (h == NULL)
+        return NULL;
+
+    g_assert (h->handle == handle);
+
+    return h;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+vfs_test_current_dir (const vfs_path_t * vpath)
+{
+    struct stat my_stat, my_stat2;
+
+    return (mc_global.vfs.cd_symlinks && mc_stat (vpath, &my_stat) == 0
+            && mc_stat (vfs_get_raw_current_dir (), &my_stat2) == 0
+            && my_stat.st_ino == my_stat2.st_ino && my_stat.st_dev == my_stat2.st_dev);
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/** Free open file data for given file handle */
+
+void
+vfs_free_handle (int handle)
+{
+    const int idx = handle - VFS_FIRST_HANDLE;
+
+    if (handle >= VFS_FIRST_HANDLE && (guint) idx < vfs_openfiles->len)
+    {
+        struct vfs_openfile *h;
+
+        h = (struct vfs_openfile *) g_ptr_array_index (vfs_openfiles, idx);
+        g_free (h);
+        g_ptr_array_index (vfs_openfiles, idx) = (void *) vfs_free_handle_list;
+        vfs_free_handle_list = idx;
+    }
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/** Find VFS class by file handle */
+
+struct vfs_class *
+vfs_class_find_by_handle (int handle, void **fsinfo)
+{
+    struct vfs_openfile *h;
+
+    h = vfs_get_openfile (handle);
+
+    if (h == NULL)
+        return NULL;
+
+    if (fsinfo != NULL)
+        *fsinfo = h->fsinfo;
+
+    return h->vclass;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Create new VFS handle and put it to the list
+ */
+
+int
+vfs_new_handle (struct vfs_class *vclass, void *fsinfo)
+{
+    struct vfs_openfile *h;
+
+    h = g_new (struct vfs_openfile, 1);
+    h->fsinfo = fsinfo;
+    h->vclass = vclass;
+
+    /* Allocate the first free handle */
+    h->handle = vfs_free_handle_list;
+    if (h->handle == -1)
+    {
+        /* No free allocated handles, allocate one */
+        h->handle = vfs_openfiles->len;
+        g_ptr_array_add (vfs_openfiles, h);
+    }
+    else
+    {
+        vfs_free_handle_list = (long) g_ptr_array_index (vfs_openfiles, vfs_free_handle_list);
+        g_ptr_array_index (vfs_openfiles, h->handle) = h;
+    }
+
+    h->handle += VFS_FIRST_HANDLE;
+    return h->handle;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_ferrno (struct vfs_class *vfs)
+{
+    return vfs->ferrno ? (*vfs->ferrno) (vfs) : E_UNKNOWN;
+    /* Hope that error message is obscure enough ;-) */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_register_class (struct vfs_class * vfs)
+{
+    if (vfs->init != NULL)      /* vfs has own initialization function */
+        if (!vfs->init (vfs))   /* but it failed */
+            return FALSE;
+
+    g_ptr_array_add (vfs__classes_list, vfs);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_unregister_class (struct vfs_class *vfs)
+{
+    if (vfs->done != NULL)
+        vfs->done (vfs);
+
+    g_ptr_array_remove (vfs__classes_list, vfs);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Strip known vfs suffixes from a filename (possible improvement: strip
+ *  suffix from last path component).
+ *  \return a malloced string which has to be freed.
+ */
+
+char *
+vfs_strip_suffix_from_filename (const char *filename)
+{
+    char *semi, *p;
+
+    if (filename == NULL)
+        vfs_die ("vfs_strip_suffix_from_path got NULL: impossible");
+
+    p = g_strdup (filename);
+    semi = g_strrstr (p, VFS_PATH_URL_DELIMITER);
+    if (semi != NULL)
+    {
+        char *vfs_prefix;
+
+        *semi = '\0';
+        vfs_prefix = strrchr (p, PATH_SEP);
+        if (vfs_prefix == NULL)
+            *semi = *VFS_PATH_URL_DELIMITER;
+        else
+            *vfs_prefix = '\0';
+    }
+
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+vfs_translate_path (const char *path)
+{
+    estr_t state;
+
+    g_string_set_size (vfs_str_buffer, 0);
+    state = _vfs_translate_path (path, -1, str_cnv_from_term, vfs_str_buffer);
+    return (state != ESTR_FAILURE) ? vfs_str_buffer->str : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+vfs_translate_path_n (const char *path)
+{
+    const char *result;
+
+    result = vfs_translate_path (path);
+    return g_strdup (result);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get current directory without any OS calls.
+ *
+ * @return string contains current path
+ */
+
+const char *
+vfs_get_current_dir (void)
+{
+    return current_path->str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get current directory without any OS calls.
+ *
+ * @return newly allocated string contains current path
+ */
+
+char *
+vfs_get_current_dir_n (void)
+{
+    return g_strdup (current_path->str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get raw current directory object without any OS calls.
+ *
+ * @return object contain current path
+ */
+
+const vfs_path_t *
+vfs_get_raw_current_dir (void)
+{
+    return current_path;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Set current directory object.
+ *
+ * @param vpath new path
+ */
+void
+vfs_set_raw_current_dir (const vfs_path_t * vpath)
+{
+    vfs_path_free (current_path, TRUE);
+    current_path = (vfs_path_t *) vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Return TRUE is the current VFS class is local */
+
+gboolean
+vfs_current_is_local (void)
+{
+    return (current_vfs->flags & VFSF_LOCAL) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Return flags of the VFS class of the given filename */
+
+vfs_flags_t
+vfs_file_class_flags (const vfs_path_t * vpath)
+{
+    const vfs_path_element_t *path_element;
+
+    path_element = vfs_path_get_by_index (vpath, -1);
+    if (!vfs_path_element_valid (path_element))
+        return VFSF_UNKNOWN;
+
+    return path_element->class->flags;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_init (void)
+{
+    /* create the VFS handle arrays */
+    vfs__classes_list = g_ptr_array_new ();
+
+    /* create the VFS handle array */
+    vfs_openfiles = g_ptr_array_new ();
+
+    vfs_str_buffer = g_string_new ("");
+
+    mc_readdir_result = vfs_dirent_init (NULL, "", -1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_setup_work_dir (void)
+{
+    const vfs_path_element_t *path_element;
+
+    vfs_setup_cwd ();
+
+    /* FIXME: is we really need for this check? */
+    /*
+       if (strlen (current_dir) > MC_MAXPATHLEN - 2)
+       vfs_die ("Current dir too long.\n");
+     */
+
+    path_element = vfs_path_get_by_index (current_path, -1);
+    current_vfs = path_element->class;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_shut (void)
+{
+    guint i;
+
+    vfs_gc_done ();
+
+    vfs_set_raw_current_dir (NULL);
+
+    for (i = 0; i < vfs__classes_list->len; i++)
+    {
+        struct vfs_class *vfs = VFS_CLASS (g_ptr_array_index (vfs__classes_list, i));
+
+        if (vfs->done != NULL)
+            vfs->done (vfs);
+    }
+
+    /* NULL-ize pointers to make unit tests happy */
+    g_ptr_array_free (vfs_openfiles, TRUE);
+    vfs_openfiles = NULL;
+    g_ptr_array_free (vfs__classes_list, TRUE);
+    vfs__classes_list = NULL;
+    g_string_free (vfs_str_buffer, TRUE);
+    vfs_str_buffer = NULL;
+    current_vfs = NULL;
+    vfs_free_handle_list = -1;
+    vfs_dirent_free (mc_readdir_result);
+    mc_readdir_result = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Init or create vfs_dirent structure
+  *
+  * @d vfs_dirent structure to init. If NULL, new structure is created.
+  * @fname file name
+  * @ino file inode number
+  *
+  * @return pointer to d if d isn't NULL, or pointer to newly created structure.
+  */
+
+struct vfs_dirent *
+vfs_dirent_init (struct vfs_dirent *d, const char *fname, ino_t ino)
+{
+    struct vfs_dirent *ret = d;
+
+    if (ret == NULL)
+        ret = g_new0 (struct vfs_dirent, 1);
+
+    if (ret->d_name_str == NULL)
+        ret->d_name_str = g_string_sized_new (MC_MAXFILENAMELEN);
+
+    vfs_dirent_assign (ret, fname, ino);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Assign members of vfs_dirent structure
+  *
+  * @d vfs_dirent structure for assignment
+  * @fname file name
+  * @ino file inode number
+  */
+
+void
+vfs_dirent_assign (struct vfs_dirent *d, const char *fname, ino_t ino)
+{
+    g_string_assign (d->d_name_str, fname);
+    d->d_name = d->d_name_str->str;
+    d->d_ino = ino;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Destroy vfs_dirent structure
+  *
+  * @d vfs_dirent structure to destroy.
+  */
+
+void
+vfs_dirent_free (struct vfs_dirent *d)
+{
+    g_string_free (d->d_name_str, TRUE);
+    g_free (d);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * These ones grab information from the VFS
+ *  and handles them to an upper layer
+ */
+
+void
+vfs_fill_names (fill_names_f func)
+{
+    guint i;
+
+    for (i = 0; i < vfs__classes_list->len; i++)
+    {
+        struct vfs_class *vfs = VFS_CLASS (g_ptr_array_index (vfs__classes_list, i));
+
+        if (vfs->fill_names != NULL)
+            vfs->fill_names (vfs, func);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+vfs_file_is_local (const vfs_path_t * vpath)
+{
+    return (vfs_file_class_flags (vpath) & VFSF_LOCAL) != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+vfs_print_message (const char *msg, ...)
+{
+    ev_vfs_print_message_t event_data;
+    va_list ap;
+
+    va_start (ap, msg);
+    event_data.msg = g_strdup_vprintf (msg, ap);
+    va_end (ap);
+
+    mc_event_raise (MCEVENT_GROUP_CORE, "vfs_print_message", (gpointer) & event_data);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * If it's local, reread the current directory
+ * from the OS.
+ */
+
+void
+vfs_setup_cwd (void)
+{
+    char *current_dir;
+    vfs_path_t *tmp_vpath;
+    const vfs_path_element_t *path_element;
+
+    if (vfs_get_raw_current_dir () == NULL)
+    {
+        current_dir = g_get_current_dir ();
+        vfs_set_raw_current_dir (vfs_path_from_str (current_dir));
+        g_free (current_dir);
+
+        current_dir = getenv ("PWD");
+        tmp_vpath = vfs_path_from_str (current_dir);
+
+        if (tmp_vpath != NULL)
+        {
+            if (vfs_test_current_dir (tmp_vpath))
+                vfs_set_raw_current_dir (tmp_vpath);
+            else
+                vfs_path_free (tmp_vpath, TRUE);
+        }
+    }
+
+    path_element = vfs_path_get_by_index (vfs_get_raw_current_dir (), -1);
+
+    if ((path_element->class->flags & VFSF_LOCAL) != 0)
+    {
+        current_dir = g_get_current_dir ();
+        tmp_vpath = vfs_path_from_str (current_dir);
+        g_free (current_dir);
+
+        if (tmp_vpath != NULL)
+        {
+            /* One of directories in the path is not readable */
+
+            /* Check if it is O.K. to use the current_dir */
+            if (!vfs_test_current_dir (tmp_vpath))
+                vfs_set_raw_current_dir (tmp_vpath);
+            else
+                vfs_path_free (tmp_vpath, TRUE);
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Return current directory.  If it's local, reread the current directory
+ * from the OS.
+ */
+
+char *
+_vfs_get_cwd (void)
+{
+    const vfs_path_t *current_dir_vpath;
+
+    vfs_setup_cwd ();
+    current_dir_vpath = vfs_get_raw_current_dir ();
+    return g_strdup (vfs_path_as_str (current_dir_vpath));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Preallocate space for file in new place for ensure that file
+ * will be fully copied with less fragmentation.
+ *
+ * @param dest_vfs_fd mc VFS file handler
+ * @param src_fsize source file size
+ * @param dest_fsize destination file size (if destination exists, otherwise should be 0)
+ *
+ * @return 0 if success and non-zero otherwise.
+ * Note: function doesn't touch errno global variable.
+ */
+
+int
+vfs_preallocate (int dest_vfs_fd, off_t src_fsize, off_t dest_fsize)
+{
+#ifndef HAVE_POSIX_FALLOCATE
+    (void) dest_vfs_fd;
+    (void) src_fsize;
+    (void) dest_fsize;
+    return 0;
+
+#else /* HAVE_POSIX_FALLOCATE */
+    void *dest_fd = NULL;
+    struct vfs_class *dest_class;
+
+    if (src_fsize == 0)
+        return 0;
+
+    dest_class = vfs_class_find_by_handle (dest_vfs_fd, &dest_fd);
+    if ((dest_class->flags & VFSF_LOCAL) == 0 || dest_fd == NULL)
+        return 0;
+
+    return posix_fallocate (*(int *) dest_fd, dest_fsize, src_fsize - dest_fsize);
+
+#endif /* HAVE_POSIX_FALLOCATE */
+}
+
+ /* --------------------------------------------------------------------------------------------- */
+
+int
+vfs_clone_file (int dest_vfs_fd, int src_vfs_fd)
+{
+#ifdef FICLONE
+    void *dest_fd = NULL;
+    void *src_fd = NULL;
+    struct vfs_class *dest_class;
+    struct vfs_class *src_class;
+
+    dest_class = vfs_class_find_by_handle (dest_vfs_fd, &dest_fd);
+    if ((dest_class->flags & VFSF_LOCAL) == 0)
+    {
+        errno = ENOTSUP;
+        return (-1);
+    }
+    if (dest_fd == NULL)
+    {
+        errno = EBADF;
+        return (-1);
+    }
+
+    src_class = vfs_class_find_by_handle (src_vfs_fd, &src_fd);
+    if ((src_class->flags & VFSF_LOCAL) == 0)
+    {
+        errno = ENOTSUP;
+        return (-1);
+    }
+    if (src_fd == NULL)
+    {
+        errno = EBADF;
+        return (-1);
+    }
+
+    return ioctl (*(int *) dest_fd, FICLONE, *(int *) src_fd);
+#else
+    (void) dest_vfs_fd;
+    (void) src_vfs_fd;
+    errno = ENOTSUP;
+    return (-1);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/vfs/vfs.h b/lib/vfs/vfs.h
new file mode 100644
index 0000000..27c77b6
--- /dev/null
+++ b/lib/vfs/vfs.h
@@ -0,0 +1,338 @@
+
+/**
+ * \file
+ * \brief Header: Virtual File System switch code
+ */
+
+#ifndef MC__VFS_VFS_H
+#define MC__VFS_VFS_H
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>             /* DIR */
+#ifdef HAVE_UTIMENSAT
+#include <sys/time.h>
+#elif defined (HAVE_UTIME_H)
+#include <utime.h>
+#endif
+#include <stdio.h>
+#include <unistd.h>
+#include <stddef.h>
+
+#include "lib/global.h"
+
+#include "path.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define VFS_CLASS(a) ((struct vfs_class *) (a))
+
+/**
+ * This is the type of callback function passed to vfs_fill_names.
+ * It gets the name of the virtual file system as its first argument.
+ * See also:
+ *    vfs_fill_names().
+ */
+
+#define VFS_ENCODING_PREFIX "#enc:"
+
+#define O_ALL (O_CREAT | O_EXCL | O_NOCTTY | O_NDELAY | O_SYNC | O_WRONLY | O_RDWR | O_RDONLY)
+/* Midnight commander code should _not_ use other flags than those
+   listed above and O_APPEND */
+
+#if (O_ALL & O_APPEND)
+#warning "Unexpected problem with flags, O_LINEAR disabled, contact pavel@ucw.cz"
+#define O_LINEAR 0
+#define IS_LINEAR(a) 0
+#define NO_LINEAR(a) a
+#else
+#define O_LINEAR O_APPEND
+#define IS_LINEAR(a) ((a) == (O_RDONLY | O_LINEAR))     /* Return only 0 and 1 ! */
+#define NO_LINEAR(a) (((a) == (O_RDONLY | O_LINEAR)) ? O_RDONLY : (a))
+#endif
+
+/* O_LINEAR is strange beast, be careful. If you open file asserting
+ * O_RDONLY | O_LINEAR, you promise:
+ *
+ *      a) to read file linearly from beginning to the end
+ *      b) not to open another file before you close this one
+ *              (this will likely go away in future)
+ *      as a special gift, you may
+ *      c) lseek() immediately after open(), giving ftpfs chance to
+ *         reget. Be warned that this lseek() can fail, and you _have_
+ *         to handle that gratefully.
+ *
+ * O_LINEAR allows filesystems not to create temporary file in some
+ * cases (ftp transfer).                                -- pavel@ucw.cz
+ */
+
+/* And now some defines for our errors. */
+
+#ifdef ENOMSG
+#define E_UNKNOWN ENOMSG        /* if we do not know what error happened */
+#else
+#define E_UNKNOWN EIO           /* if we do not know what error happened */
+#endif
+
+#ifdef EREMOTEIO
+#define E_REMOTE EREMOTEIO      /* if other side of ftp/fish reports error */
+#else
+#define E_REMOTE ENETUNREACH    /* :-( there's no EREMOTEIO on some systems */
+#endif
+
+#ifdef EPROTO
+#define E_PROTO EPROTO          /* if other side fails to follow protocol */
+#else
+#define E_PROTO EIO
+#endif
+
+typedef void (*fill_names_f) (const char *);
+
+typedef void *vfsid;
+
+#ifdef HAVE_UTIMENSAT
+typedef struct timespec mc_timesbuf_t[2];
+#else
+typedef struct utimbuf mc_timesbuf_t;
+#endif
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    VFSF_UNKNOWN = 0,
+    VFSF_LOCAL = 1 << 0,        /* Class is local (not virtual) filesystem */
+    VFSF_NOLINKS = 1 << 1,      /* Hard links not supported */
+
+    VFSF_REMOTE = 1 << 2,
+    VFSF_READONLY = 1 << 3,
+    VFSF_USETMP = 1 << 4
+} vfs_flags_t;
+
+/* Operations for mc_ctl - on open file */
+enum
+{
+    VFS_CTL_IS_NOTREADY
+};
+
+/* Operations for mc_setctl - on path */
+enum
+{
+    VFS_SETCTL_FORGET,
+    VFS_SETCTL_RUN,
+    VFS_SETCTL_LOGFILE,
+    VFS_SETCTL_FLUSH,           /* invalidate directory cache */
+
+    /* Setting this makes vfs layer give out potentially incorrect data,
+       but it also makes some operations much faster. Use with caution. */
+    VFS_SETCTL_STALE_DATA
+};
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct vfs_class
+{
+    const char *name;           /* "FIles over SHell" */
+    vfs_flags_t flags;
+    const char *prefix;         /* "fish:" */
+    int verrno;                 /* can't use errno because glibc2 might define errno as function */
+    gboolean flush;             /* if set to TRUE, invalidate directory cache */
+    FILE *logfile;
+
+    /* *INDENT-OFF* */
+    int (*init) (struct vfs_class * me);
+    void (*done) (struct vfs_class * me);
+
+    /**
+     * The fill_names method shall call the callback function for every
+     * filesystem name that this vfs module supports.
+     */
+    void (*fill_names) (struct vfs_class * me, fill_names_f);
+
+    /**
+     * The which() method shall return the index of the vfs subsystem
+     * or -1 if this vfs cannot handle the given pathname.
+     */
+    int (*which) (struct vfs_class * me, const char *path);
+
+    void *(*open) (const vfs_path_t * vpath, int flags, mode_t mode);
+    int (*close) (void *vfs_info);
+    ssize_t (*read) (void *vfs_info, char *buffer, size_t count);
+    ssize_t (*write) (void *vfs_info, const char *buf, size_t count);
+
+    void *(*opendir) (const vfs_path_t * vpath);
+    struct vfs_dirent *(*readdir) (void *vfs_info);
+    int (*closedir) (void *vfs_info);
+
+    int (*stat) (const vfs_path_t * vpath, struct stat * buf);
+    int (*lstat) (const vfs_path_t * vpath, struct stat * buf);
+    int (*fstat) (void *vfs_info, struct stat * buf);
+
+    int (*chmod) (const vfs_path_t * vpath, mode_t mode);
+    int (*chown) (const vfs_path_t * vpath, uid_t owner, gid_t group);
+    int (*utime) (const vfs_path_t * vpath, mc_timesbuf_t * times);
+
+    int (*readlink) (const vfs_path_t * vpath, char *buf, size_t size);
+    int (*symlink) (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+    int (*link) (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+    int (*unlink) (const vfs_path_t * vpath);
+    int (*rename) (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+    int (*chdir) (const vfs_path_t * vpath);
+    int (*ferrno) (struct vfs_class * me);
+    off_t (*lseek) (void *vfs_info, off_t offset, int whence);
+    int (*mknod) (const vfs_path_t * vpath, mode_t mode, dev_t dev);
+
+    vfsid (*getid) (const vfs_path_t * vpath);
+
+    gboolean (*nothingisopen) (vfsid id);
+    void (*free) (vfsid id);
+
+    vfs_path_t *(*getlocalcopy) (const vfs_path_t * vpath);
+    int (*ungetlocalcopy) (const vfs_path_t * vpath, const vfs_path_t * local_vpath,
+                           gboolean has_changed);
+
+    int (*mkdir) (const vfs_path_t * vpath, mode_t mode);
+    int (*rmdir) (const vfs_path_t * vpath);
+
+    int (*ctl) (void *vfs_info, int ctlop, void *arg);
+    int (*setctl) (const vfs_path_t * vpath, int ctlop, void *arg);
+    /* *INDENT-ON* */
+} vfs_class;
+
+/*
+ * This struct is used instead of standard dirent to hold file name of any length
+ * (not limited to NAME_MAX).
+ */
+struct vfs_dirent
+{
+    /* private */
+    GString *d_name_str;
+
+    /* public */
+    ino_t d_ino;
+    char *d_name;               /* Alias of d_name_str->str */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int vfs_timeout;
+
+#ifdef ENABLE_VFS_NET
+extern int use_netrc;
+#endif
+
+/*** declarations of public functions ************************************************************/
+
+/* lib/vfs/direntry.c: */
+void vfs_init_class (struct vfs_class *vclass, const char *name, vfs_flags_t flags,
+                     const char *prefix);
+
+void *vfs_s_open (const vfs_path_t * vpath, int flags, mode_t mode);
+int vfs_s_stat (const vfs_path_t * vpath, struct stat *buf);
+int vfs_s_lstat (const vfs_path_t * vpath, struct stat *buf);
+int vfs_s_fstat (void *fh, struct stat *buf);
+
+void vfs_adjust_stat (struct stat *s);
+
+vfsid vfs_getid (const vfs_path_t * vpath);
+
+void vfs_init (void);
+void vfs_shut (void);
+/* Register a file system class */
+gboolean vfs_register_class (struct vfs_class *vfs);
+void vfs_unregister_class (struct vfs_class *vfs);
+
+void vfs_setup_work_dir (void);
+
+void vfs_timeout_handler (void);
+int vfs_timeouts (void);
+void vfs_expire (gboolean now);
+
+const char *vfs_get_current_dir (void);
+char *vfs_get_current_dir_n (void);
+const vfs_path_t *vfs_get_raw_current_dir (void);
+void vfs_set_raw_current_dir (const vfs_path_t * vpath);
+
+gboolean vfs_current_is_local (void);
+gboolean vfs_file_is_local (const vfs_path_t * vpath);
+
+char *vfs_strip_suffix_from_filename (const char *filename);
+
+vfs_flags_t vfs_file_class_flags (const vfs_path_t * vpath);
+
+/* translate path back to terminal encoding, remove all #enc:
+ * every invalid character is replaced with question mark
+ * return static buffer */
+const char *vfs_translate_path (const char *path);
+/* return new string */
+char *vfs_translate_path_n (const char *path);
+
+void vfs_stamp_path (const vfs_path_t * path);
+
+void vfs_release_path (const vfs_path_t * vpath);
+
+struct vfs_dirent *vfs_dirent_init (struct vfs_dirent *d, const char *fname, ino_t ino);
+void vfs_dirent_assign (struct vfs_dirent *d, const char *fname, ino_t ino);
+void vfs_dirent_free (struct vfs_dirent *d);
+
+void vfs_fill_names (fill_names_f);
+
+/* *INDENT-OFF* */
+void vfs_print_message (const char *msg, ...) G_GNUC_PRINTF (1, 2);
+/* *INDENT-ON* */
+
+int vfs_ferrno (struct vfs_class *vfs);
+
+int vfs_new_handle (struct vfs_class *vclass, void *fsinfo);
+
+struct vfs_class *vfs_class_find_by_handle (int handle, void **fsinfo);
+
+void vfs_free_handle (int handle);
+
+void vfs_setup_cwd (void);
+char *_vfs_get_cwd (void);
+
+int vfs_preallocate (int dest_desc, off_t src_fsize, off_t dest_fsize);
+
+int vfs_clone_file (int dest_vfs_fd, int src_vfs_fd);
+
+/**
+ * Interface functions described in interface.c
+ */
+ssize_t mc_read (int handle, void *buffer, size_t count);
+ssize_t mc_write (int handle, const void *buffer, size_t count);
+int mc_utime (const vfs_path_t * vpath, mc_timesbuf_t * times);
+int mc_readlink (const vfs_path_t * vpath, char *buf, size_t bufsiz);
+int mc_close (int handle);
+off_t mc_lseek (int fd, off_t offset, int whence);
+DIR *mc_opendir (const vfs_path_t * vpath);
+struct vfs_dirent *mc_readdir (DIR * dirp);
+int mc_closedir (DIR * dir);
+int mc_stat (const vfs_path_t * vpath, struct stat *buf);
+int mc_mknod (const vfs_path_t * vpath, mode_t mode, dev_t dev);
+int mc_link (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+int mc_mkdir (const vfs_path_t * vpath, mode_t mode);
+int mc_rmdir (const vfs_path_t * vpath);
+int mc_fstat (int fd, struct stat *buf);
+int mc_lstat (const vfs_path_t * vpath, struct stat *buf);
+int mc_symlink (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+int mc_rename (const vfs_path_t * vpath1, const vfs_path_t * vpath2);
+int mc_chmod (const vfs_path_t * vpath, mode_t mode);
+int mc_chown (const vfs_path_t * vpath, uid_t owner, gid_t group);
+int mc_chdir (const vfs_path_t * vpath);
+int mc_unlink (const vfs_path_t * vpath);
+int mc_ctl (int fd, int ctlop, void *arg);
+int mc_setctl (const vfs_path_t * vpath, int ctlop, void *arg);
+int mc_open (const vfs_path_t * vpath, int flags, ...);
+vfs_path_t *mc_getlocalcopy (const vfs_path_t * pathname_vpath);
+int mc_ungetlocalcopy (const vfs_path_t * pathname_vpath, const vfs_path_t * local_vpath,
+                       gboolean has_changed);
+int mc_mkstemps (vfs_path_t ** pname_vpath, const char *prefix, const char *suffix);
+
+/* Creating temporary files safely */
+const char *mc_tmpdir (void);
+
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC_VFS_VFS_H */
diff --git a/lib/vfs/xdirentry.h b/lib/vfs/xdirentry.h
new file mode 100644
index 0000000..c3070e6
--- /dev/null
+++ b/lib/vfs/xdirentry.h
@@ -0,0 +1,204 @@
+
+/**
+ * \file
+ * \brief Header: Virtual File System directory structure
+ */
+
+
+#ifndef MC__VFS_XDIRENTRY_H
+#define MC__VFS_XDIRENTRY_H
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#include "lib/global.h"         /* GList */
+#include "lib/vfs/path.h"       /* vfs_path_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define LINK_FOLLOW 15
+#define LINK_NO_FOLLOW -1
+
+/* For vfs_s_find_entry and vfs_s_find_inode */
+#define FL_NONE 0
+#define FL_MKDIR 1
+#define FL_MKFILE 2
+#define FL_DIR 4
+
+/* For open_super */
+#define FL_NO_OPEN 1
+
+/* For vfs_s_entry_from_path */
+#define FL_FOLLOW 1
+#define FL_DIR 4
+
+#define ERRNOR(a, b) do { me->verrno = a; return b; } while (0)
+
+#define VFS_SUBCLASS(a) ((struct vfs_s_subclass *) (a))
+
+#define VFS_SUPER(a) ((struct vfs_s_super *) (a))
+#define CONST_VFS_SUPER(a) ((const struct vfs_s_super *) (a))
+#define VFS_ENTRY(a) ((struct vfs_s_entry *) (a))
+#define VFS_INODE(a) ((struct vfs_s_inode *) (a))
+
+#define VFS_FILE_HANDLER(a) ((vfs_file_handler_t *) a)
+#define VFS_FILE_HANDLER_SUPER(a) VFS_FILE_HANDLER (a)->ino->super
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    LS_NOT_LINEAR = 0,
+    LS_LINEAR_CLOSED = 1,
+    LS_LINEAR_OPEN = 2,
+    LS_LINEAR_PREOPEN = 3
+} vfs_linear_state_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* Single connection or archive */
+struct vfs_s_super
+{
+    struct vfs_class *me;
+    struct vfs_s_inode *root;
+    char *name;                 /* My name, whatever it means */
+    int fd_usage;               /* Number of open files */
+    int ino_usage;              /* Usage count of this superblock */
+    gboolean want_stale;        /* If set, we do not flush cache properly */
+#ifdef ENABLE_VFS_NET
+    vfs_path_element_t *path_element;
+#endif                          /* ENABLE_VFS_NET */
+};
+
+/*
+ * Single virtual file - directory entry.  The same inode can have many
+ * entries (i.e. hard links), but usually has only one.
+ */
+struct vfs_s_entry
+{
+    struct vfs_s_inode *dir;    /* Directory we are in, i.e. our parent */
+    char *name;                 /* Name of this entry */
+    struct vfs_s_inode *ino;    /* ... and its inode */
+    ssize_t leading_spaces;     /* number of leading spases in the file name */
+};
+
+/* Single virtual file - inode */
+struct vfs_s_inode
+{
+    struct vfs_s_super *super;  /* Archive the file is on */
+    struct vfs_s_entry *ent;    /* Our entry in the parent directory -
+                                   use only for directories because they
+                                   cannot be hardlinked */
+    GQueue *subdir;             /* If this is a directory, its entry. List of vfs_s_entry */
+    struct stat st;             /* Parameters of this inode */
+    char *linkname;             /* Symlink's contents */
+    char *localname;            /* Filename of local file, if we have one */
+    gint64 timestamp;           /* Subclass specific */
+    off_t data_offset;          /* Subclass specific */
+};
+
+/* Data associated with an open file */
+typedef struct
+{
+    struct vfs_s_inode *ino;
+    off_t pos;                  /* This is for module's use */
+    int handle;                 /* This is for module's use, but if != -1, will be mc_close()d */
+    gboolean changed;           /* Did this file change? */
+    vfs_linear_state_t linear;  /* Is that file open with O_LINEAR? */
+} vfs_file_handler_t;
+
+/*
+ * One of our subclasses (tar, cpio, fish, ftpfs) with data and methods.
+ * Extends vfs_class.
+ */
+struct vfs_s_subclass
+{
+    struct vfs_class base;      /* base class */
+
+    GList *supers;
+    int inode_counter;
+    dev_t rdev;
+
+    /* *INDENT-OFF* */
+    int (*init_inode) (struct vfs_class * me, struct vfs_s_inode * ino);        /* optional */
+    void (*free_inode) (struct vfs_class * me, struct vfs_s_inode * ino);       /* optional */
+    int (*init_entry) (struct vfs_class * me, struct vfs_s_entry * entry);      /* optional */
+
+    void *(*archive_check) (const vfs_path_t * vpath);  /* optional */
+    int (*archive_same) (const vfs_path_element_t * vpath_element, struct vfs_s_super * psup,
+                         const vfs_path_t * vpath, void *cookie);
+    struct vfs_s_super *(*new_archive) (struct vfs_class * me);
+    int (*open_archive) (struct vfs_s_super * psup,
+                         const vfs_path_t * vpath, const vfs_path_element_t * vpath_element);
+    void (*free_archive) (struct vfs_class * me, struct vfs_s_super * psup);
+
+    vfs_file_handler_t *(*fh_new) (struct vfs_s_inode * ino, gboolean changed);
+    int (*fh_open) (struct vfs_class * me, vfs_file_handler_t * fh, int flags, mode_t mode);
+    int (*fh_close) (struct vfs_class * me, vfs_file_handler_t * fh);
+    void (*fh_free) (vfs_file_handler_t * fh);
+
+    struct vfs_s_entry *(*find_entry) (struct vfs_class * me,
+                                       struct vfs_s_inode * root,
+                                       const char *path, int follow, int flags);
+    int (*dir_load) (struct vfs_class * me, struct vfs_s_inode * ino, const char *path);
+    gboolean (*dir_uptodate) (struct vfs_class * me, struct vfs_s_inode * ino);
+    int (*file_store) (struct vfs_class * me, vfs_file_handler_t * fh, char *path, char *localname);
+
+    int (*linear_start) (struct vfs_class * me, vfs_file_handler_t * fh, off_t from);
+    ssize_t (*linear_read) (struct vfs_class * me, vfs_file_handler_t * fh, void *buf, size_t len);
+    void (*linear_close) (struct vfs_class * me, vfs_file_handler_t * fh);
+    /* *INDENT-ON* */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* entries and inodes */
+struct vfs_s_inode *vfs_s_new_inode (struct vfs_class *me,
+                                     struct vfs_s_super *super, struct stat *initstat);
+void vfs_s_free_inode (struct vfs_class *me, struct vfs_s_inode *ino);
+
+struct vfs_s_entry *vfs_s_new_entry (struct vfs_class *me, const char *name,
+                                     struct vfs_s_inode *inode);
+void vfs_s_free_entry (struct vfs_class *me, struct vfs_s_entry *ent);
+void vfs_s_insert_entry (struct vfs_class *me, struct vfs_s_inode *dir, struct vfs_s_entry *ent);
+int vfs_s_entry_compare (const void *a, const void *b);
+struct stat *vfs_s_default_stat (struct vfs_class *me, mode_t mode);
+
+struct vfs_s_entry *vfs_s_generate_entry (struct vfs_class *me, const char *name,
+                                          struct vfs_s_inode *parent, mode_t mode);
+struct vfs_s_inode *vfs_s_find_inode (struct vfs_class *me,
+                                      const struct vfs_s_super *super,
+                                      const char *path, int follow, int flags);
+struct vfs_s_inode *vfs_s_find_root (struct vfs_class *me, struct vfs_s_entry *entry);
+
+/* outside interface */
+void vfs_init_subclass (struct vfs_s_subclass *sub, const char *name, vfs_flags_t flags,
+                        const char *prefix);
+const char *vfs_s_get_path (const vfs_path_t * vpath, struct vfs_s_super **archive, int flags);
+struct vfs_s_super *vfs_get_super_by_vpath (const vfs_path_t * vpath);
+
+void vfs_s_invalidate (struct vfs_class *me, struct vfs_s_super *super);
+char *vfs_s_fullpath (struct vfs_class *me, struct vfs_s_inode *ino);
+
+void vfs_s_init_fh (vfs_file_handler_t * fh, struct vfs_s_inode *ino, gboolean changed);
+
+/* network filesystems support */
+int vfs_s_select_on_two (int fd1, int fd2);
+int vfs_s_get_line (struct vfs_class *me, int sock, char *buf, int buf_len, char term);
+int vfs_s_get_line_interruptible (struct vfs_class *me, char *buffer, int size, int fd);
+/* misc */
+int vfs_s_retrieve_file (struct vfs_class *me, struct vfs_s_inode *ino);
+
+void vfs_s_normalize_filename_leading_spaces (struct vfs_s_inode *root_inode, size_t final_filepos);
+
+/*** inline functions ****************************************************************************/
+
+static inline void
+vfs_s_store_filename_leading_spaces (struct vfs_s_entry *entry, size_t position)
+{
+    entry->leading_spaces = (ssize_t) position;
+}
+
+#endif
diff --git a/lib/widget.h b/lib/widget.h
new file mode 100644
index 0000000..e3bb5ca
--- /dev/null
+++ b/lib/widget.h
@@ -0,0 +1,53 @@
+/** \file widget.h
+ *  \brief Header: MC widget and dialog manager: main include file.
+ */
+#ifndef MC__WIDGET_H
+#define MC__WIDGET_H
+
+#include "lib/global.h"         /* GLib */
+
+/* main forward declarations */
+struct Widget;
+typedef struct Widget Widget;
+struct WGroup;
+typedef struct WGroup WGroup;
+
+/* Please note that the first element in all the widgets is a     */
+/* widget variable of type Widget.  We abuse this fact everywhere */
+
+#include "lib/widget/rect.h"
+#include "lib/widget/widget-common.h"
+#include "lib/widget/group.h"
+#include "lib/widget/background.h"
+#include "lib/widget/frame.h"
+#include "lib/widget/dialog.h"
+#include "lib/widget/history.h"
+#include "lib/widget/button.h"
+#include "lib/widget/buttonbar.h"
+#include "lib/widget/check.h"
+#include "lib/widget/hline.h"
+#include "lib/widget/gauge.h"
+#include "lib/widget/groupbox.h"
+#include "lib/widget/label.h"
+#include "lib/widget/listbox.h"
+#include "lib/widget/menu.h"
+#include "lib/widget/radio.h"
+#include "lib/widget/input.h"
+#include "lib/widget/listbox-window.h"
+#include "lib/widget/quick.h"
+#include "lib/widget/wtools.h"
+#include "lib/widget/dialog-switch.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_H */
diff --git a/lib/widget/Makefile.am b/lib/widget/Makefile.am
new file mode 100644
index 0000000..90f023b
--- /dev/null
+++ b/lib/widget/Makefile.am
@@ -0,0 +1,30 @@
+
+noinst_LTLIBRARIES = libmcwidget.la
+
+libmcwidget_la_SOURCES = \
+	background.c background.h \
+	button.c button.h \
+	buttonbar.c buttonbar.h \
+	check.c check.h \
+	dialog.c dialog.h \
+	dialog-switch.c dialog-switch.h \
+	frame.c frame.h \
+	gauge.c gauge.h \
+	group.c group.h \
+	groupbox.c groupbox.h \
+	hline.c hline.h \
+	history.c history.h \
+	input.c input.h \
+	input_complete.c \
+	listbox-window.c listbox-window.h \
+	listbox.c listbox.h \
+	label.c label.h \
+	menu.c menu.h \
+	mouse.c mouse.h \
+	quick.c quick.h \
+	radio.c radio.h \
+	rect.c rect.h \
+	widget-common.c widget-common.h \
+	wtools.c wtools.h
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS)
diff --git a/lib/widget/Makefile.in b/lib/widget/Makefile.in
new file mode 100644
index 0000000..1fc9d1d
--- /dev/null
+++ b/lib/widget/Makefile.in
@@ -0,0 +1,842 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
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+  else \
+    false; \
+  fi; \
+}
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+  if $(am__is_gnu_make); then \
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+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
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+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/background.Plo
+	-rm -f ./$(DEPDIR)/button.Plo
+	-rm -f ./$(DEPDIR)/buttonbar.Plo
+	-rm -f ./$(DEPDIR)/check.Plo
+	-rm -f ./$(DEPDIR)/dialog-switch.Plo
+	-rm -f ./$(DEPDIR)/dialog.Plo
+	-rm -f ./$(DEPDIR)/frame.Plo
+	-rm -f ./$(DEPDIR)/gauge.Plo
+	-rm -f ./$(DEPDIR)/group.Plo
+	-rm -f ./$(DEPDIR)/groupbox.Plo
+	-rm -f ./$(DEPDIR)/history.Plo
+	-rm -f ./$(DEPDIR)/hline.Plo
+	-rm -f ./$(DEPDIR)/input.Plo
+	-rm -f ./$(DEPDIR)/input_complete.Plo
+	-rm -f ./$(DEPDIR)/label.Plo
+	-rm -f ./$(DEPDIR)/listbox-window.Plo
+	-rm -f ./$(DEPDIR)/listbox.Plo
+	-rm -f ./$(DEPDIR)/menu.Plo
+	-rm -f ./$(DEPDIR)/mouse.Plo
+	-rm -f ./$(DEPDIR)/quick.Plo
+	-rm -f ./$(DEPDIR)/radio.Plo
+	-rm -f ./$(DEPDIR)/rect.Plo
+	-rm -f ./$(DEPDIR)/widget-common.Plo
+	-rm -f ./$(DEPDIR)/wtools.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
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+
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+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/background.Plo
+	-rm -f ./$(DEPDIR)/button.Plo
+	-rm -f ./$(DEPDIR)/buttonbar.Plo
+	-rm -f ./$(DEPDIR)/check.Plo
+	-rm -f ./$(DEPDIR)/dialog-switch.Plo
+	-rm -f ./$(DEPDIR)/dialog.Plo
+	-rm -f ./$(DEPDIR)/frame.Plo
+	-rm -f ./$(DEPDIR)/gauge.Plo
+	-rm -f ./$(DEPDIR)/group.Plo
+	-rm -f ./$(DEPDIR)/groupbox.Plo
+	-rm -f ./$(DEPDIR)/history.Plo
+	-rm -f ./$(DEPDIR)/hline.Plo
+	-rm -f ./$(DEPDIR)/input.Plo
+	-rm -f ./$(DEPDIR)/input_complete.Plo
+	-rm -f ./$(DEPDIR)/label.Plo
+	-rm -f ./$(DEPDIR)/listbox-window.Plo
+	-rm -f ./$(DEPDIR)/listbox.Plo
+	-rm -f ./$(DEPDIR)/menu.Plo
+	-rm -f ./$(DEPDIR)/mouse.Plo
+	-rm -f ./$(DEPDIR)/quick.Plo
+	-rm -f ./$(DEPDIR)/radio.Plo
+	-rm -f ./$(DEPDIR)/rect.Plo
+	-rm -f ./$(DEPDIR)/widget-common.Plo
+	-rm -f ./$(DEPDIR)/wtools.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
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+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/widget/background.c b/lib/widget/background.c
new file mode 100644
index 0000000..f085312
--- /dev/null
+++ b/lib/widget/background.c
@@ -0,0 +1,124 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 2020-2022
+   The Free Software Foundation, Inc.
+
+   Authors:
+   Andrew Borodin <aborodin@vmail.ru>, 2020-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file background.c
+ *  \brief Source: WBackground widget (background area of dialog)
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static const int *
+background_get_colors (const Widget * w)
+{
+    return &(CONST_BACKGROUND (w)->color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+background_adjust (WBackground * b)
+{
+    Widget *w = WIDGET (b);
+
+    w->rect = WIDGET (w->owner)->rect;
+    w->pos_flags |= WPOS_KEEP_ALL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+background_draw (const WBackground * b)
+{
+    const Widget *w = CONST_WIDGET (b);
+
+    tty_setcolor (b->color);
+    tty_fill_region (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, b->pattern);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+background_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WBackground *b = BACKGROUND (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        background_adjust (b);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        background_draw (b);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WBackground *
+background_new (int y, int x, int lines, int cols, int color, unsigned char pattern,
+                widget_cb_fn callback)
+{
+    WRect r = { y, x, lines, cols };
+    WBackground *b;
+    Widget *w;
+
+    b = g_new (WBackground, 1);
+    w = WIDGET (b);
+    widget_init (w, &r, callback != NULL ? callback : background_callback, NULL);
+    w->get_colors = background_get_colors;
+
+    b->color = color;
+    b->pattern = pattern;
+
+    return b;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/background.h b/lib/widget/background.h
new file mode 100644
index 0000000..b9a0b2c
--- /dev/null
+++ b/lib/widget/background.h
@@ -0,0 +1,36 @@
+
+/** \file background.h
+ *  \brief Header: WBackground widget
+ */
+
+#ifndef MC__WIDGET_BACKGROUND_H
+#define MC__WIDGET_BACKGROUND_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define BACKGROUND(x) ((WBackground *)(x))
+#define CONST_BACKGROUND(x) ((const WBackground *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    Widget widget;
+
+    int color;                  /* Color to fill area */
+    unsigned char pattern;      /* Symbol to fill area */
+} WBackground;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WBackground *background_new (int y, int x, int lines, int cols, int color, unsigned char pattern,
+                             widget_cb_fn callback);
+cb_ret_t background_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_BACKGROUND_H */
diff --git a/lib/widget/button.c b/lib/widget/button.c
new file mode 100644
index 0000000..da7acfb
--- /dev/null
+++ b/lib/widget/button.c
@@ -0,0 +1,284 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file button.c
+ *  \brief Source: WButton widget
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/strutil.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+button_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WButton *b = BUTTON (w);
+    WGroup *g = w->owner;
+    WDialog *h = DIALOG (g);
+    int off = 0;
+
+    switch (msg)
+    {
+    case MSG_HOTKEY:
+        /*
+         * Don't let the default button steal Enter from the current
+         * button.  This is a workaround for the flawed event model
+         * when hotkeys are sent to all widgets before the key is
+         * handled by the current widget.
+         */
+        if (parm == '\n' && WIDGET (g->current->data) == w)
+        {
+            send_message (w, sender, MSG_KEY, ' ', data);
+            return MSG_HANDLED;
+        }
+
+        if (parm == '\n' && b->flags == DEFPUSH_BUTTON)
+        {
+            send_message (w, sender, MSG_KEY, ' ', data);
+            return MSG_HANDLED;
+        }
+
+        if (b->text.hotkey != NULL && g_ascii_tolower ((gchar) b->text.hotkey[0]) == parm)
+        {
+            send_message (w, sender, MSG_KEY, ' ', data);
+            return MSG_HANDLED;
+        }
+        return MSG_NOT_HANDLED;
+
+    case MSG_KEY:
+        if (parm != ' ' && parm != '\n')
+            return MSG_NOT_HANDLED;
+
+        h->ret_value = b->action;
+        if (b->callback == NULL || b->callback (b, b->action) != 0)
+            dlg_stop (h);
+
+        return MSG_HANDLED;
+
+    case MSG_CURSOR:
+        switch (b->flags)
+        {
+        case DEFPUSH_BUTTON:
+            off = 3;
+            break;
+        case NORMAL_BUTTON:
+            off = 2;
+            break;
+        case NARROW_BUTTON:
+            off = 1;
+            break;
+        case HIDDEN_BUTTON:
+        default:
+            off = 0;
+            break;
+        }
+        widget_gotoyx (w, 0, b->hotpos + off);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        {
+            gboolean focused;
+
+            focused = widget_get_state (w, WST_FOCUSED);
+
+            widget_selectcolor (w, focused, FALSE);
+            widget_gotoyx (w, 0, 0);
+
+            switch (b->flags)
+            {
+            case DEFPUSH_BUTTON:
+                tty_print_string ("[< ");
+                break;
+            case NORMAL_BUTTON:
+                tty_print_string ("[ ");
+                break;
+            case NARROW_BUTTON:
+                tty_print_string ("[");
+                break;
+            case HIDDEN_BUTTON:
+            default:
+                return MSG_HANDLED;
+            }
+
+            hotkey_draw (w, b->text, focused);
+
+            switch (b->flags)
+            {
+            case DEFPUSH_BUTTON:
+                tty_print_string (" >]");
+                break;
+            case NORMAL_BUTTON:
+                tty_print_string (" ]");
+                break;
+            case NARROW_BUTTON:
+                tty_print_string ("]");
+                break;
+            default:
+                break;
+            }
+
+            return MSG_HANDLED;
+        }
+
+    case MSG_DESTROY:
+        hotkey_free (b->text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+button_mouse_default_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    (void) event;
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        widget_select (w);
+        break;
+
+    case MSG_MOUSE_CLICK:
+        send_message (w, NULL, MSG_KEY, ' ', NULL);
+        send_message (w->owner, w, MSG_POST_KEY, ' ', NULL);
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WButton *
+button_new (int y, int x, int action, button_flags_t flags, const char *text, bcback_fn callback)
+{
+    WRect r = { y, x, 1, 1 };
+    WButton *b;
+    Widget *w;
+
+    b = g_new (WButton, 1);
+    w = WIDGET (b);
+
+    b->action = action;
+    b->flags = flags;
+    b->text = hotkey_new (text);
+    r.cols = button_get_len (b);
+    widget_init (w, &r, button_default_callback, button_mouse_default_callback);
+    w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR | WOP_WANT_HOTKEY;
+    b->callback = callback;
+    b->hotpos = (b->text.hotkey != NULL) ? str_term_width1 (b->text.start) : -1;
+
+    return b;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+button_get_text (const WButton * b)
+{
+    return hotkey_get_text (b->text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+button_set_text (WButton * b, const char *text)
+{
+    Widget *w = WIDGET (b);
+    hotkey_t hk;
+
+    hk = hotkey_new (text);
+    if (hotkey_equal (b->text, hk))
+    {
+        hotkey_free (hk);
+        return;
+    }
+
+    hotkey_free (b->text);
+    b->text = hk;
+    b->hotpos = (b->text.hotkey != NULL) ? str_term_width1 (b->text.start) : -1;
+    w->rect.cols = button_get_len (b);
+    widget_draw (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+button_get_len (const WButton * b)
+{
+    int ret = hotkey_width (b->text);
+
+    switch (b->flags)
+    {
+    case DEFPUSH_BUTTON:
+        ret += 6;
+        break;
+    case NORMAL_BUTTON:
+        ret += 4;
+        break;
+    case NARROW_BUTTON:
+        ret += 2;
+        break;
+    case HIDDEN_BUTTON:
+    default:
+        return 0;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/button.h b/lib/widget/button.h
new file mode 100644
index 0000000..5f21e1e
--- /dev/null
+++ b/lib/widget/button.h
@@ -0,0 +1,58 @@
+
+/** \file button.h
+ *  \brief Header: WButton widget
+ */
+
+#ifndef MC__WIDGET_BUTTON_H
+#define MC__WIDGET_BUTTON_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define BUTTON(x) ((WButton *)(x))
+
+struct WButton;
+
+/* button callback */
+/* return 0 to continue work with dialog, non-zero to close */
+typedef int (*bcback_fn) (struct WButton * button, int action);
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    HIDDEN_BUTTON = 0,
+    NARROW_BUTTON = 1,
+    NORMAL_BUTTON = 2,
+    DEFPUSH_BUTTON = 3
+} button_flags_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WButton
+{
+    Widget widget;
+    int action;                 /* what to do when pressed */
+
+    button_flags_t flags;       /* button flags */
+    hotkey_t text;              /* text of button, contain hotkey too */
+    int hotpos;                 /* offset hot KEY char in text */
+    bcback_fn callback;         /* callback function */
+} WButton;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WButton *button_new (int y, int x, int action, button_flags_t flags, const char *text,
+                     bcback_fn callback);
+char *button_get_text (const WButton * b);
+void button_set_text (WButton * b, const char *text);
+int button_get_len (const WButton * b);
+
+cb_ret_t button_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm,
+                                  void *data);
+void button_mouse_default_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_BUTTON_H */
diff --git a/lib/widget/buttonbar.c b/lib/widget/buttonbar.c
new file mode 100644
index 0000000..9193de3
--- /dev/null
+++ b/lib/widget/buttonbar.c
@@ -0,0 +1,287 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file buttonbar.c
+ *  \brief Source: WButtonBar widget
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/key.h"        /* XCTRL and ALT macros  */
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* calculate positions of buttons; width is never less than 7 */
+static void
+buttonbar_init_button_positions (WButtonBar * bb)
+{
+    int i;
+    int pos = 0;
+
+    if (COLS < BUTTONBAR_LABELS_NUM * 7)
+    {
+        for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
+        {
+            if (pos + 7 <= COLS)
+                pos += 7;
+
+            bb->labels[i].end_coord = pos;
+        }
+    }
+    else
+    {
+        /* Distribute the extra width in a way that the middle vertical line
+           (between F5 and F6) aligns with the two panels. The extra width
+           is distributed in this order: F10, F5, F9, F4, ..., F6, F1. */
+        int dv, md;
+
+        dv = COLS / BUTTONBAR_LABELS_NUM;
+        md = COLS % BUTTONBAR_LABELS_NUM;
+
+        for (i = 0; i < BUTTONBAR_LABELS_NUM / 2; i++)
+        {
+            pos += dv;
+            if (BUTTONBAR_LABELS_NUM / 2 - 1 - i < md / 2)
+                pos++;
+
+            bb->labels[i].end_coord = pos;
+        }
+
+        for (; i < BUTTONBAR_LABELS_NUM; i++)
+        {
+            pos += dv;
+            if (BUTTONBAR_LABELS_NUM - 1 - i < (md + 1) / 2)
+                pos++;
+
+            bb->labels[i].end_coord = pos;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* return width of one button */
+static int
+buttonbar_get_button_width (const WButtonBar * bb, int i)
+{
+    if (i == 0)
+        return bb->labels[0].end_coord;
+    return bb->labels[i].end_coord - bb->labels[i - 1].end_coord;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+buttonbar_get_button_by_x_coord (const WButtonBar * bb, int x)
+{
+    int i;
+
+    for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
+        if (bb->labels[i].end_coord > x)
+            return i;
+
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+set_label_text (WButtonBar * bb, int idx, const char *text)
+{
+    g_free (bb->labels[idx - 1].text);
+    bb->labels[idx - 1].text = g_strdup (text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* returns TRUE if a function has been called, FALSE otherwise. */
+static gboolean
+buttonbar_call (WButtonBar * bb, int i)
+{
+    cb_ret_t ret = MSG_NOT_HANDLED;
+    Widget *w = WIDGET (bb);
+    Widget *target;
+
+    if ((bb != NULL) && (bb->labels[i].command != CK_IgnoreKey))
+    {
+        target = (bb->labels[i].receiver != NULL) ? bb->labels[i].receiver : WIDGET (w->owner);
+        ret = send_message (target, w, MSG_ACTION, bb->labels[i].command, NULL);
+    }
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+buttonbar_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WButtonBar *bb = BUTTONBAR (w);
+    int i;
+
+    switch (msg)
+    {
+    case MSG_HOTKEY:
+        for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
+            if (parm == KEY_F (i + 1) && buttonbar_call (bb, i))
+                return MSG_HANDLED;
+        return MSG_NOT_HANDLED;
+
+    case MSG_DRAW:
+        if (widget_get_state (w, WST_VISIBLE))
+        {
+            buttonbar_init_button_positions (bb);
+            widget_gotoyx (w, 0, 0);
+            tty_setcolor (DEFAULT_COLOR);
+            tty_printf ("%-*s", w->rect.cols, "");
+            widget_gotoyx (w, 0, 0);
+
+            for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
+            {
+                int width;
+                const char *text;
+
+                width = buttonbar_get_button_width (bb, i);
+                if (width <= 0)
+                    break;
+
+                tty_setcolor (BUTTONBAR_HOTKEY_COLOR);
+                tty_printf ("%2d", i + 1);
+
+                tty_setcolor (BUTTONBAR_BUTTON_COLOR);
+                text = (bb->labels[i].text != NULL) ? bb->labels[i].text : "";
+                tty_print_string (str_fit_to_term (text, width - 2, J_LEFT_FIT));
+            }
+        }
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
+            g_free (bb->labels[i].text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+buttonbar_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    switch (msg)
+    {
+    case MSG_MOUSE_CLICK:
+        {
+            WButtonBar *bb = BUTTONBAR (w);
+            int button;
+
+            button = buttonbar_get_button_by_x_coord (bb, event->x);
+            if (button >= 0)
+                buttonbar_call (bb, button);
+            break;
+        }
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WButtonBar *
+buttonbar_new (void)
+{
+    WRect r = { LINES - 1, 0, 1, COLS };
+    WButtonBar *bb;
+    Widget *w;
+
+    bb = g_new0 (WButtonBar, 1);
+    w = WIDGET (bb);
+    widget_init (w, &r, buttonbar_callback, buttonbar_mouse_callback);
+
+    w->pos_flags = WPOS_KEEP_HORZ | WPOS_KEEP_BOTTOM;
+    widget_want_hotkey (w, TRUE);
+
+    return bb;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+buttonbar_set_label (WButtonBar * bb, int idx, const char *text, const global_keymap_t * keymap,
+                     Widget * receiver)
+{
+    if ((bb != NULL) && (idx >= 1) && (idx <= BUTTONBAR_LABELS_NUM))
+    {
+        long command = CK_IgnoreKey;
+
+        if (keymap != NULL)
+            command = keybind_lookup_keymap_command (keymap, KEY_F (idx));
+
+        if ((text == NULL) || (text[0] == '\0'))
+            set_label_text (bb, idx, "");
+        else
+            set_label_text (bb, idx, text);
+
+        bb->labels[idx - 1].command = command;
+        bb->labels[idx - 1].receiver = WIDGET (receiver);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Find ButtonBar widget in the dialog */
+WButtonBar *
+find_buttonbar (const WDialog * h)
+{
+    return BUTTONBAR (widget_find_by_type (CONST_WIDGET (h), buttonbar_callback));
+}
diff --git a/lib/widget/buttonbar.h b/lib/widget/buttonbar.h
new file mode 100644
index 0000000..9fc049a
--- /dev/null
+++ b/lib/widget/buttonbar.h
@@ -0,0 +1,46 @@
+
+/** \file buttonbar.h
+ *  \brief Header: WButtonBar widget
+ */
+
+#ifndef MC__WIDGET_BUTTONBAR_H
+#define MC__WIDGET_BUTTONBAR_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define BUTTONBAR(x) ((WButtonBar *)(x))
+
+/* number of bttons in buttonbar */
+#define BUTTONBAR_LABELS_NUM 10
+
+#define buttonbar_clear_label(bb, idx, recv) buttonbar_set_label (bb, idx, "", NULL, recv)
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WButtonBar
+{
+    Widget widget;
+
+    struct
+    {
+        char *text;
+        long command;
+        Widget *receiver;
+        int end_coord;          /* cumulative width of buttons so far */
+    } labels[BUTTONBAR_LABELS_NUM];
+} WButtonBar;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WButtonBar *buttonbar_new (void);
+void buttonbar_set_label (WButtonBar * bb, int idx, const char *text,
+                          const global_keymap_t * keymap, Widget * receiver);
+WButtonBar *find_buttonbar (const WDialog * h);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_BUTTONBAR_H */
diff --git a/lib/widget/check.c b/lib/widget/check.c
new file mode 100644
index 0000000..ca54e3b
--- /dev/null
+++ b/lib/widget/check.c
@@ -0,0 +1,178 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file check.c
+ *  \brief Source: WCheck widget (checkbutton)
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static cb_ret_t
+check_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WCheck *c = CHECK (w);
+
+    switch (msg)
+    {
+    case MSG_HOTKEY:
+        if (c->text.hotkey != NULL)
+        {
+            if (g_ascii_tolower ((gchar) c->text.hotkey[0]) == parm)
+            {
+                /* make action */
+                send_message (w, sender, MSG_KEY, ' ', data);
+                return MSG_HANDLED;
+            }
+        }
+        return MSG_NOT_HANDLED;
+
+    case MSG_KEY:
+        if (parm != ' ')
+            return MSG_NOT_HANDLED;
+        c->state = !c->state;
+        widget_draw (w);
+        send_message (w->owner, w, MSG_NOTIFY, 0, NULL);
+        return MSG_HANDLED;
+
+    case MSG_CURSOR:
+        widget_gotoyx (w, 0, 1);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        {
+            gboolean focused;
+
+            focused = widget_get_state (w, WST_FOCUSED);
+            widget_selectcolor (w, focused, FALSE);
+            widget_gotoyx (w, 0, 0);
+            tty_print_string (c->state ? "[x] " : "[ ] ");
+            hotkey_draw (w, c->text, focused);
+            return MSG_HANDLED;
+        }
+
+    case MSG_DESTROY:
+        hotkey_free (c->text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+check_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    (void) event;
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        widget_select (w);
+        break;
+
+    case MSG_MOUSE_CLICK:
+        send_message (w, NULL, MSG_KEY, ' ', NULL);
+        send_message (w->owner, w, MSG_POST_KEY, ' ', NULL);
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WCheck *
+check_new (int y, int x, gboolean state, const char *text)
+{
+    WRect r = { y, x, 1, 1 };
+    WCheck *c;
+    Widget *w;
+
+    c = g_new (WCheck, 1);
+    w = WIDGET (c);
+    c->text = hotkey_new (text);
+    /* 4 is width of "[X] " */
+    r.cols = 4 + hotkey_width (c->text);
+    widget_init (w, &r, check_callback, check_mouse_callback);
+    w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR | WOP_WANT_HOTKEY;
+    c->state = state;
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+check_set_text (WCheck * check, const char *text)
+{
+    Widget *w = WIDGET (check);
+    hotkey_t hk;
+
+    hk = hotkey_new (text);
+    if (hotkey_equal (check->text, hk))
+    {
+        hotkey_free (hk);
+        return;
+    }
+
+    hotkey_free (check->text);
+    check->text = hk;
+
+    if (check->text.start[0] == '\0' && check->text.hotkey == NULL && check->text.end == NULL)
+        w->rect.cols = 3;       /* "[ ]" */
+    else
+        w->rect.cols = 4 + hotkey_width (check->text);  /* "[ ]  text" */
+
+    widget_draw (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/check.h b/lib/widget/check.h
new file mode 100644
index 0000000..9840a24
--- /dev/null
+++ b/lib/widget/check.h
@@ -0,0 +1,33 @@
+
+/** \file check.h
+ *  \brief Header: WCheck widget
+ */
+
+#ifndef MC__WIDGET_CHECK_H
+#define MC__WIDGET_CHECK_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define CHECK(x) ((WCheck *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WCheck
+{
+    Widget widget;
+    gboolean state;             /* check button state */
+    hotkey_t text;              /* text of check button */
+} WCheck;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WCheck *check_new (int y, int x, gboolean state, const char *text);
+void check_set_text (WCheck * check, const char *text);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_CHECK_H */
diff --git a/lib/widget/dialog-switch.c b/lib/widget/dialog-switch.c
new file mode 100644
index 0000000..73e3f80
--- /dev/null
+++ b/lib/widget/dialog-switch.c
@@ -0,0 +1,368 @@
+/*
+   Support of multiply editors and viewers.
+
+   Original idea and code: Oleg "Olegarch" Konovalov <olegarch@linuxinside.com>
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Daniel Borca <dborca@yahoo.com>, 2007
+   Andrew Borodin <aborodin@vmail.ru>, 2010-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file dialog-switch.c
+ *  \brief Source: support of multiply editors and viewers.
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"        /* LINES, COLS */
+#include "lib/tty/color.h"      /* tty_set_normal_attrs() */
+#include "lib/widget.h"
+#include "lib/event.h"
+
+/*** global variables ****************************************************************************/
+
+WDialog *filemanager = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* List of dialogs: filemanagers, editors, viewers */
+static GList *mc_dialogs = NULL;
+/* Currently active dialog */
+static GList *mc_current = NULL;
+/* Is there any dialogs that we have to run after returning to the manager from another dialog */
+static gboolean dialog_switch_pending = FALSE;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static unsigned char
+get_hotkey (int n)
+{
+    return (n <= 9) ? '0' + n : 'a' + n - 10;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+dialog_switch_suspend (void *data, void *user_data)
+{
+    (void) user_data;
+
+    if (data != mc_current->data)
+        widget_set_state (WIDGET (data), WST_SUSPENDED, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+dialog_switch_goto (GList * dlg)
+{
+    if (mc_current != dlg)
+    {
+        WDialog *old = DIALOG (mc_current->data);
+
+        mc_current = dlg;
+
+        if (old == filemanager)
+        {
+            /* switch from panels to another dialog (editor, viewer, etc) */
+            dialog_switch_pending = TRUE;
+            dialog_switch_process_pending ();
+        }
+        else
+        {
+            /* switch from editor, viewer, etc to another dialog */
+            widget_set_state (WIDGET (old), WST_SUSPENDED, TRUE);
+
+            if (DIALOG (dlg->data) != filemanager)
+                /* switch to another editor, viewer, etc */
+                /* return to panels before run the required dialog */
+                dialog_switch_pending = TRUE;
+            else
+            {
+                /* switch to panels */
+                widget_set_state (WIDGET (filemanager), WST_ACTIVE, TRUE);
+                do_refresh ();
+            }
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+dialog_switch_resize (WDialog * d)
+{
+    if (widget_get_state (WIDGET (d), WST_ACTIVE))
+        send_message (d, NULL, MSG_RESIZE, 0, NULL);
+    else
+        GROUP (d)->winch_pending = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_add (WDialog * h)
+{
+    GList *dlg;
+
+    dlg = g_list_find (mc_dialogs, h);
+
+    if (dlg != NULL)
+        mc_current = dlg;
+    else
+    {
+        mc_dialogs = g_list_prepend (mc_dialogs, h);
+        mc_current = mc_dialogs;
+    }
+
+    /* suspend forced all other screens */
+    g_list_foreach (mc_dialogs, dialog_switch_suspend, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_remove (WDialog * h)
+{
+    GList *this;
+
+    if (DIALOG (mc_current->data) == h)
+        this = mc_current;
+    else
+        this = g_list_find (mc_dialogs, h);
+
+    mc_dialogs = g_list_delete_link (mc_dialogs, this);
+
+    /* adjust current dialog */
+    if (top_dlg != NULL)
+        mc_current = g_list_find (mc_dialogs, DIALOG (top_dlg->data));
+    else
+        mc_current = mc_dialogs;
+
+    /* resume forced the current screen */
+    if (mc_current != NULL)
+        widget_set_state (WIDGET (mc_current->data), WST_ACTIVE, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+size_t
+dialog_switch_num (void)
+{
+    return g_list_length (mc_dialogs);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_next (void)
+{
+    GList *next;
+
+    if (mc_global.midnight_shutdown || mc_current == NULL)
+        return;
+
+    next = g_list_next (mc_current);
+    if (next == NULL)
+        next = mc_dialogs;
+
+    dialog_switch_goto (next);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_prev (void)
+{
+    GList *prev;
+
+    if (mc_global.midnight_shutdown || mc_current == NULL)
+        return;
+
+    prev = g_list_previous (mc_current);
+    if (prev == NULL)
+        prev = g_list_last (mc_dialogs);
+
+    dialog_switch_goto (prev);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_list (void)
+{
+    const size_t dlg_num = g_list_length (mc_dialogs);
+    int lines, cols;
+    Listbox *listbox;
+    GList *h, *selected;
+    int i = 0;
+
+    if (mc_global.midnight_shutdown || mc_current == NULL)
+        return;
+
+    lines = MIN ((size_t) (LINES * 2 / 3), dlg_num);
+    cols = COLS * 2 / 3;
+
+    listbox = create_listbox_window (lines, cols, _("Screens"), "[Screen selector]");
+
+    for (h = mc_dialogs; h != NULL; h = g_list_next (h))
+    {
+        WDialog *dlg = DIALOG (h->data);
+        char *title;
+
+        if (dlg->get_title != NULL)
+            title = dlg->get_title (dlg, WIDGET (listbox->list)->rect.cols - 2);
+        else
+            title = g_strdup ("");
+
+        listbox_add_item (listbox->list, LISTBOX_APPEND_BEFORE, get_hotkey (i++), title, h, FALSE);
+
+        g_free (title);
+    }
+
+    selected = run_listbox_with_data (listbox, mc_current);
+    if (selected != NULL)
+        dialog_switch_goto (selected);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+dialog_switch_process_pending (void)
+{
+    int ret = 0;
+
+    while (dialog_switch_pending)
+    {
+        WDialog *h = DIALOG (mc_current->data);
+        Widget *wh = WIDGET (h);
+
+        dialog_switch_pending = FALSE;
+        widget_set_state (wh, WST_SUSPENDED, TRUE);
+        ret = dlg_run (h);
+        if (widget_get_state (wh, WST_CLOSED))
+        {
+            widget_destroy (wh);
+
+            /* return to panels */
+            if (mc_global.mc_run_mode == MC_RUN_FULL)
+            {
+                mc_current = g_list_find (mc_dialogs, filemanager);
+                mc_event_raise (MCEVENT_GROUP_FILEMANAGER, "update_panels", NULL);
+            }
+        }
+    }
+
+    repaint_screen ();
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_got_winch (void)
+{
+    GList *dlg;
+
+    for (dlg = mc_dialogs; dlg != NULL; dlg = g_list_next (dlg))
+        if (dlg != mc_current)
+            GROUP (dlg->data)->winch_pending = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_switch_shutdown (void)
+{
+    while (mc_dialogs != NULL)
+    {
+        WDialog *dlg = DIALOG (mc_dialogs->data);
+
+        dlg_run (dlg);
+        widget_destroy (WIDGET (dlg));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+repaint_screen (void)
+{
+    do_refresh ();
+    tty_refresh ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_refresh (void)
+{
+#ifdef ENABLE_BACKGROUND
+    if (mc_global.we_are_background)
+        return;
+#endif /* ENABLE_BACKGROUND */
+
+    if (!tty_got_winch ())
+        tty_refresh ();
+    else
+    {
+        /* if winch was caugth, we should do not only redraw screen, but
+           reposition/resize all */
+        dialog_change_screen_size ();
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dialog_change_screen_size (void)
+{
+    GList *d;
+
+    tty_flush_winch ();
+    tty_change_screen_size ();
+
+#ifdef HAVE_SLANG
+    tty_keypad (TRUE);
+    tty_nodelay (FALSE);
+#endif
+
+    /* Inform all suspending dialogs */
+    dialog_switch_got_winch ();
+
+    /* Inform all running dialogs from first to last */
+    for (d = g_list_last (top_dlg); d != NULL; d = g_list_previous (d))
+        dialog_switch_resize (DIALOG (d->data));
+
+    /* Now, force the redraw */
+    repaint_screen ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/dialog-switch.h b/lib/widget/dialog-switch.h
new file mode 100644
index 0000000..332b71d
--- /dev/null
+++ b/lib/widget/dialog-switch.h
@@ -0,0 +1,37 @@
+
+#ifndef MC__DIALOG_SWITCH_H
+#define MC__DIALOG_SWITCH_H
+
+#include <sys/types.h>
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+extern WDialog *filemanager;
+
+/*** declarations of public functions ************************************************************/
+
+void dialog_switch_add (WDialog * h);
+void dialog_switch_remove (WDialog * h);
+size_t dialog_switch_num (void);
+
+void dialog_switch_next (void);
+void dialog_switch_prev (void);
+void dialog_switch_list (void);
+
+int dialog_switch_process_pending (void);
+void dialog_switch_got_winch (void);
+void dialog_switch_shutdown (void);
+
+void repaint_screen (void);
+void mc_refresh (void);
+void dialog_change_screen_size (void);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__DIALOG_SWITCH_H */
diff --git a/lib/widget/dialog.c b/lib/widget/dialog.c
new file mode 100644
index 0000000..1c93d7c
--- /dev/null
+++ b/lib/widget/dialog.c
@@ -0,0 +1,662 @@
+/*
+   Dialog box features module for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file dialog.c
+ *  \brief Source: dialog box features module
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/skin.h"
+#include "lib/tty/key.h"
+#include "lib/strutil.h"
+#include "lib/fileloc.h"        /* MC_HISTORY_FILE */
+#include "lib/event.h"          /* mc_event_raise() */
+#include "lib/util.h"           /* MC_PTR_FREE */
+#include "lib/mcconfig.h"       /* num_history_items_recorded */
+
+#include "lib/widget.h"
+#include "lib/widget/mouse.h"
+
+/*** global variables ****************************************************************************/
+
+/* Color styles for normal and error dialogs */
+dlg_colors_t dialog_colors;
+dlg_colors_t alarm_colors;
+dlg_colors_t listbox_colors;
+
+/* Primitive way to check if the the current dialog is our dialog */
+/* This is needed by async routines like load_prompt */
+GList *top_dlg = NULL;
+
+/* A hook list for idle events */
+hook_t *idle_hook = NULL;
+
+/* If set then dialogs just clean the screen when refreshing, else */
+/* they do a complete refresh, refreshing all the parts of the program */
+gboolean fast_refresh = FALSE;
+
+/* left click outside of dialog closes it */
+gboolean mouse_close_dialog = FALSE;
+
+const global_keymap_t *dialog_map = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static const int *
+dlg_default_get_colors (const Widget * w)
+{
+    return CONST_DIALOG (w)->colors;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Read histories from the ${XDG_CACHE_HOME}/mc/history file
+  */
+static void
+dlg_read_history (WDialog * h)
+{
+    char *profile;
+    ev_history_load_save_t event_data;
+
+    if (num_history_items_recorded == 0)        /* this is how to disable */
+        return;
+
+    profile = mc_config_get_full_path (MC_HISTORY_FILE);
+    event_data.cfg = mc_config_init (profile, TRUE);
+    event_data.receiver = NULL;
+
+    /* create all histories in dialog */
+    mc_event_raise (h->event_group, MCEVENT_HISTORY_LOAD, &event_data);
+
+    mc_config_deinit (event_data.cfg);
+    g_free (profile);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+refresh_cmd (void)
+{
+#ifdef HAVE_SLANG
+    tty_touch_screen ();
+    mc_refresh ();
+#else
+    /* Use this if the refreshes fail */
+    tty_clear_screen ();
+    repaint_screen ();
+#endif /* HAVE_SLANG */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+dlg_execute_cmd (WDialog * h, long command)
+{
+    WGroup *g = GROUP (h);
+    cb_ret_t ret = MSG_HANDLED;
+
+    if (send_message (h, NULL, MSG_ACTION, command, NULL) == MSG_HANDLED)
+        return MSG_HANDLED;
+
+    switch (command)
+    {
+    case CK_Ok:
+        h->ret_value = B_ENTER;
+        dlg_stop (h);
+        break;
+    case CK_Cancel:
+        h->ret_value = B_CANCEL;
+        dlg_stop (h);
+        break;
+
+    case CK_Up:
+    case CK_Left:
+        group_select_prev_widget (g);
+        break;
+    case CK_Down:
+    case CK_Right:
+        group_select_next_widget (g);
+        break;
+
+    case CK_Help:
+        {
+            ev_help_t event_data = { NULL, h->help_ctx };
+            mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
+        }
+        break;
+
+    case CK_Suspend:
+        mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
+        refresh_cmd ();
+        break;
+    case CK_Refresh:
+        refresh_cmd ();
+        break;
+
+    case CK_ScreenList:
+        if (!widget_get_state (WIDGET (h), WST_MODAL))
+            dialog_switch_list ();
+        else
+            ret = MSG_NOT_HANDLED;
+        break;
+    case CK_ScreenNext:
+        if (!widget_get_state (WIDGET (h), WST_MODAL))
+            dialog_switch_next ();
+        else
+            ret = MSG_NOT_HANDLED;
+        break;
+    case CK_ScreenPrev:
+        if (!widget_get_state (WIDGET (h), WST_MODAL))
+            dialog_switch_prev ();
+        else
+            ret = MSG_NOT_HANDLED;
+        break;
+
+    default:
+        ret = MSG_NOT_HANDLED;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+dlg_handle_key (WDialog * h, int d_key)
+{
+    long command;
+
+    command = widget_lookup_key (WIDGET (h), d_key);
+    if (command == CK_IgnoreKey)
+        command = keybind_lookup_keymap_command (dialog_map, d_key);
+    if (command != CK_IgnoreKey)
+        return dlg_execute_cmd (h, command);
+
+    return MSG_NOT_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+dlg_key_event (WDialog * h, int d_key)
+{
+    Widget *w = WIDGET (h);
+    WGroup *g = GROUP (h);
+    cb_ret_t handled;
+
+    if (g->widgets == NULL)
+        return;
+
+    if (g->current == NULL)
+        g->current = g->widgets;
+
+    /* TAB used to cycle */
+    if (!widget_get_options (w, WOP_WANT_TAB))
+    {
+        if (d_key == '\t')
+        {
+            group_select_next_widget (g);
+            return;
+        }
+        else if ((d_key & ~(KEY_M_SHIFT | KEY_M_CTRL)) == '\t')
+        {
+            group_select_prev_widget (g);
+            return;
+        }
+    }
+
+    /* first can dlalog handle the key itself */
+    handled = send_message (h, NULL, MSG_KEY, d_key, NULL);
+
+    if (handled == MSG_NOT_HANDLED)
+        handled = group_default_callback (w, NULL, MSG_KEY, d_key, NULL);
+
+    if (handled == MSG_NOT_HANDLED)
+        handled = dlg_handle_key (h, d_key);
+
+    (void) handled;
+    send_message (h, NULL, MSG_POST_KEY, d_key, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+dlg_handle_mouse_event (Widget * w, Gpm_Event * event)
+{
+    if (w->mouse_callback != NULL)
+    {
+        int mou;
+
+        mou = mouse_handle_event (w, event);
+        if (mou != MOU_UNHANDLED)
+            return mou;
+    }
+
+    return group_handle_mouse_event (w, event);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+frontend_dlg_run (WDialog * h)
+{
+    Widget *wh = WIDGET (h);
+    Gpm_Event event;
+
+    event.x = -1;
+
+    /* close opened editors, viewers, etc */
+    if (!widget_get_state (wh, WST_MODAL) && mc_global.midnight_shutdown)
+    {
+        send_message (h, NULL, MSG_VALIDATE, 0, NULL);
+        return;
+    }
+
+    while (widget_get_state (wh, WST_ACTIVE))
+    {
+        int d_key;
+
+        if (tty_got_winch ())
+            dialog_change_screen_size ();
+
+        if (is_idle ())
+        {
+            if (idle_hook)
+                execute_hooks (idle_hook);
+
+            while (widget_get_state (wh, WST_IDLE) && is_idle ())
+                send_message (wh, NULL, MSG_IDLE, 0, NULL);
+
+            /* Allow terminating the dialog from the idle handler */
+            if (!widget_get_state (wh, WST_ACTIVE))
+                break;
+        }
+
+        widget_update_cursor (wh);
+
+        /* Clear interrupt flag */
+        tty_got_interrupt ();
+        d_key = tty_get_event (&event, GROUP (h)->mouse_status == MOU_REPEAT, TRUE);
+
+        dlg_process_event (h, d_key, &event);
+
+        if (widget_get_state (wh, WST_CLOSED))
+            send_message (h, NULL, MSG_VALIDATE, 0, NULL);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+dlg_default_destroy (Widget * w)
+{
+    WDialog *h = DIALOG (w);
+
+    /* if some widgets have history, save all histories at one moment here */
+    dlg_save_history (h);
+    group_default_callback (w, NULL, MSG_DESTROY, 0, NULL);
+    mc_event_group_del (h->event_group);
+    g_free (h->event_group);
+    g_free (h);
+
+    do_refresh ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/** Default dialog callback */
+
+cb_ret_t
+dlg_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_INIT:
+        /* nothing to init in dialog itself */
+        return MSG_HANDLED;
+
+    case MSG_IDLE:
+        /* we don't want endless loop */
+        widget_idle (w, FALSE);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        /* nothing to deinit in dialog itself */
+        return MSG_HANDLED;
+
+    default:
+        return group_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dlg_default_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    switch (msg)
+    {
+    case MSG_MOUSE_CLICK:
+        if (event->y < 0 || event->y >= w->rect.lines || event->x < 0 || event->x >= w->rect.cols)
+        {
+            DIALOG (w)->ret_value = B_CANCEL;
+            dlg_stop (DIALOG (w));
+        }
+        break;
+
+    default:
+        /* return MOU_UNHANDLED */
+        event->result.abort = TRUE;
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WDialog *
+dlg_create (gboolean modal, int y1, int x1, int lines, int cols, widget_pos_flags_t pos_flags,
+            gboolean compact, const int *colors, widget_cb_fn callback,
+            widget_mouse_cb_fn mouse_callback, const char *help_ctx, const char *title)
+{
+    WRect r = { y1, x1, lines, cols };
+    WDialog *new_d;
+    Widget *w;
+    WGroup *g;
+
+    new_d = g_new0 (WDialog, 1);
+    w = WIDGET (new_d);
+    g = GROUP (new_d);
+    widget_adjust_position (pos_flags, &r);
+    group_init (g, &r, callback != NULL ? callback : dlg_default_callback,
+                mouse_callback != NULL ? mouse_callback : dlg_default_mouse_callback);
+
+    w->pos_flags = pos_flags;
+    w->options |= WOP_SELECTABLE | WOP_TOP_SELECT;
+    w->state |= WST_FOCUSED;
+    /* Temporary hack: dialog doesn't have an owner, own itself. */
+    w->owner = g;
+
+    w->keymap = dialog_map;
+
+    w->mouse_handler = dlg_handle_mouse_event;
+    w->mouse.forced_capture = mouse_close_dialog && (w->pos_flags & WPOS_FULLSCREEN) == 0;
+
+    w->destroy = dlg_default_destroy;
+    w->get_colors = dlg_default_get_colors;
+
+    new_d->colors = colors;
+    new_d->help_ctx = help_ctx;
+    new_d->compact = compact;
+    new_d->data = NULL;
+
+    if (modal)
+    {
+        w->state |= WST_MODAL;
+
+        new_d->bg =
+            WIDGET (frame_new (0, 0, w->rect.lines, w->rect.cols, title, FALSE, new_d->compact));
+        group_add_widget (g, new_d->bg);
+        frame_set_title (FRAME (new_d->bg), title);
+    }
+
+    /* unique name of event group for this dialog */
+    new_d->event_group = g_strdup_printf ("%s_%p", MCEVENT_GROUP_DIALOG, (void *) new_d);
+
+    return new_d;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dlg_set_default_colors (void)
+{
+    dialog_colors[DLG_COLOR_NORMAL] = COLOR_NORMAL;
+    dialog_colors[DLG_COLOR_FOCUS] = COLOR_FOCUS;
+    dialog_colors[DLG_COLOR_HOT_NORMAL] = COLOR_HOT_NORMAL;
+    dialog_colors[DLG_COLOR_HOT_FOCUS] = COLOR_HOT_FOCUS;
+    dialog_colors[DLG_COLOR_TITLE] = COLOR_TITLE;
+
+    alarm_colors[DLG_COLOR_NORMAL] = ERROR_COLOR;
+    alarm_colors[DLG_COLOR_FOCUS] = ERROR_FOCUS;
+    alarm_colors[DLG_COLOR_HOT_NORMAL] = ERROR_HOT_NORMAL;
+    alarm_colors[DLG_COLOR_HOT_FOCUS] = ERROR_HOT_FOCUS;
+    alarm_colors[DLG_COLOR_TITLE] = ERROR_TITLE;
+
+    listbox_colors[DLG_COLOR_NORMAL] = PMENU_ENTRY_COLOR;
+    listbox_colors[DLG_COLOR_FOCUS] = PMENU_SELECTED_COLOR;
+    listbox_colors[DLG_COLOR_HOT_NORMAL] = PMENU_ENTRY_COLOR;
+    listbox_colors[DLG_COLOR_HOT_FOCUS] = PMENU_SELECTED_COLOR;
+    listbox_colors[DLG_COLOR_TITLE] = PMENU_TITLE_COLOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+do_refresh (void)
+{
+    GList *d = top_dlg;
+
+    if (fast_refresh)
+    {
+        if (d != NULL)
+            widget_draw (WIDGET (d->data));
+    }
+    else
+    {
+        /* Search first fullscreen dialog */
+        for (; d != NULL; d = g_list_next (d))
+            if ((WIDGET (d->data)->pos_flags & WPOS_FULLSCREEN) != 0)
+                break;
+
+        /* when small dialog (i.e. error message) is created first,
+           there is no fullscreen dialog in the stack */
+        if (d == NULL)
+            d = g_list_last (top_dlg);
+
+        /* back to top dialog */
+        for (; d != NULL; d = g_list_previous (d))
+            widget_draw (WIDGET (d->data));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dlg_stop (WDialog * h)
+{
+    widget_set_state (WIDGET (h), WST_CLOSED, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Init the process */
+
+void
+dlg_init (WDialog * h)
+{
+    WGroup *g = GROUP (h);
+    Widget *wh = WIDGET (h);
+
+    if (top_dlg != NULL && widget_get_state (WIDGET (top_dlg->data), WST_MODAL))
+        widget_set_state (wh, WST_MODAL, TRUE);
+
+    /* add dialog to the stack */
+    top_dlg = g_list_prepend (top_dlg, h);
+
+    /* Initialize dialog manager and widgets */
+    if (widget_get_state (wh, WST_CONSTRUCT))
+    {
+        if (!widget_get_state (wh, WST_MODAL))
+            dialog_switch_add (h);
+
+        send_message (h, NULL, MSG_INIT, 0, NULL);
+        group_default_callback (wh, NULL, MSG_INIT, 0, NULL);
+        dlg_read_history (h);
+    }
+
+    /* Select the first widget that takes focus */
+    while (g->current != NULL && !widget_is_focusable (g->current->data))
+        group_set_current_widget_next (g);
+
+    widget_set_state (wh, WST_ACTIVE, TRUE);
+    /* draw dialog and focus found widget */
+    widget_set_state (wh, WST_FOCUSED, TRUE);
+
+    h->ret_value = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+dlg_process_event (WDialog * h, int key, Gpm_Event * event)
+{
+    switch (key)
+    {
+    case EV_NONE:
+        if (tty_got_interrupt ())
+            dlg_execute_cmd (h, CK_Cancel);
+        break;
+
+    case EV_MOUSE:
+        {
+            Widget *w = WIDGET (h);
+
+            GROUP (h)->mouse_status = w->mouse_handler (w, event);
+            break;
+        }
+
+    default:
+        dlg_key_event (h, key);
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Shutdown the dlg_run */
+
+void
+dlg_run_done (WDialog * h)
+{
+    top_dlg = g_list_remove (top_dlg, h);
+
+    if (widget_get_state (WIDGET (h), WST_CLOSED))
+    {
+        send_message (h, GROUP (h)->current == NULL ? NULL : WIDGET (GROUP (h)->current->data),
+                      MSG_END, 0, NULL);
+        if (!widget_get_state (WIDGET (h), WST_MODAL))
+            dialog_switch_remove (h);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Standard run dialog routine
+ * We have to keep this routine small so that we can duplicate it's
+ * behavior on complex routines like the file routines, this way,
+ * they can call the dlg_process_event without rewriting all the code
+ */
+
+int
+dlg_run (WDialog * h)
+{
+    dlg_init (h);
+    frontend_dlg_run (h);
+    dlg_run_done (h);
+    return h->ret_value;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Write history to the ${XDG_CACHE_HOME}/mc/history file
+  */
+void
+dlg_save_history (WDialog * h)
+{
+    char *profile;
+    int i;
+
+    if (num_history_items_recorded == 0)        /* this is how to disable */
+        return;
+
+    profile = mc_config_get_full_path (MC_HISTORY_FILE);
+    i = open (profile, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
+    if (i != -1)
+        close (i);
+
+    /* Make sure the history is only readable by the user */
+    if (chmod (profile, S_IRUSR | S_IWUSR) != -1 || errno == ENOENT)
+    {
+        ev_history_load_save_t event_data;
+
+        event_data.cfg = mc_config_init (profile, FALSE);
+        event_data.receiver = NULL;
+
+        /* get all histories in dialog */
+        mc_event_raise (h->event_group, MCEVENT_HISTORY_SAVE, &event_data);
+
+        mc_config_save_file (event_data.cfg, NULL);
+        mc_config_deinit (event_data.cfg);
+    }
+
+    g_free (profile);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+dlg_get_title (const WDialog * h, size_t len)
+{
+    char *t;
+
+    if (h == NULL)
+        abort ();
+
+    if (h->get_title != NULL)
+        t = h->get_title (h, len);
+    else
+        t = g_strdup ("");
+
+    return t;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/dialog.h b/lib/widget/dialog.h
new file mode 100644
index 0000000..0ebf510
--- /dev/null
+++ b/lib/widget/dialog.h
@@ -0,0 +1,129 @@
+/*
+   Dialog box features module for the Midnight Commander
+ */
+
+/** \file dialog.h
+ *  \brief Header: dialog box features module
+ */
+
+#ifndef MC__DIALOG_H
+#define MC__DIALOG_H
+
+#include <sys/types.h>          /* size_t */
+
+#include "lib/global.h"
+#include "lib/hook.h"           /* hook_t */
+#include "lib/keybind.h"        /* global_keymap_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define DIALOG(x) ((WDialog *)(x))
+#define CONST_DIALOG(x) ((const WDialog *)(x))
+
+/* Common return values */
+/* ATTENTION: avoid overlapping with FileProgressStatus values */
+#define B_EXIT          0
+#define B_CANCEL        1
+#define B_ENTER         2
+#define B_HELP          3
+#define B_USER          100
+
+/*** enums ***************************************************************************************/
+
+/* Dialog color constants */
+typedef enum
+{
+    DLG_COLOR_NORMAL,
+    DLG_COLOR_FOCUS,
+    DLG_COLOR_HOT_NORMAL,
+    DLG_COLOR_HOT_FOCUS,
+    DLG_COLOR_TITLE,
+    DLG_COLOR_COUNT
+} dlg_colors_enum_t;
+
+/*** typedefs(not structures) ********************************************************************/
+
+typedef struct WDialog WDialog;
+
+/* get string representation of shortcut assigned  with command */
+/* as menu is a widget of dialog, ask dialog about shortcut string */
+typedef char *(*dlg_shortcut_str) (long command);
+
+/* get dialog name to show in dialog list */
+typedef char *(*dlg_title_str) (const WDialog * h, size_t len);
+
+typedef int dlg_colors_t[DLG_COLOR_COUNT];
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct WDialog
+{
+    WGroup group;               /* base class */
+
+    /* Set by the user */
+    gboolean compact;           /* Suppress spaces around the frame */
+    const char *help_ctx;       /* Name of the help entry */
+    const int *colors;          /* Color set. Unused in viewer and editor */
+
+    /* Set and received by the user */
+    int ret_value;              /* Result of dlg_run() */
+
+    /* Internal variables */
+    void *data;                 /* Data can be passed to dialog */
+    char *event_group;          /* Name of event group for this dialog */
+    Widget *bg;                 /* WFrame or WBackground */
+
+    dlg_shortcut_str get_shortcut;      /* Shortcut string */
+    dlg_title_str get_title;    /* useless for modal dialogs */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/* Color styles for normal and error dialogs */
+extern dlg_colors_t dialog_colors;
+extern dlg_colors_t alarm_colors;
+extern dlg_colors_t listbox_colors;
+
+extern GList *top_dlg;
+
+/* A hook list for idle events */
+extern hook_t *idle_hook;
+
+extern gboolean fast_refresh;
+extern gboolean mouse_close_dialog;
+
+extern const global_keymap_t *dialog_map;
+
+/*** declarations of public functions ************************************************************/
+
+/* Creates a dialog head  */
+WDialog *dlg_create (gboolean modal, int y1, int x1, int lines, int cols,
+                     widget_pos_flags_t pos_flags, gboolean compact,
+                     const int *colors, widget_cb_fn callback, widget_mouse_cb_fn mouse_callback,
+                     const char *help_ctx, const char *title);
+
+void dlg_set_default_colors (void);
+
+void dlg_init (WDialog * h);
+int dlg_run (WDialog * d);
+
+void dlg_run_done (WDialog * h);
+void dlg_save_history (WDialog * h);
+void dlg_process_event (WDialog * h, int key, Gpm_Event * event);
+
+char *dlg_get_title (const WDialog * h, size_t len);
+
+/* Default callbacks for dialogs */
+cb_ret_t dlg_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data);
+void dlg_default_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event);
+
+void dlg_stop (WDialog * h);
+
+/* Redraw all dialogs */
+void do_refresh (void);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* MC__DIALOG_H */
diff --git a/lib/widget/frame.c b/lib/widget/frame.c
new file mode 100644
index 0000000..02f3b36
--- /dev/null
+++ b/lib/widget/frame.c
@@ -0,0 +1,162 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 2020-2022
+   The Free Software Foundation, Inc.
+
+   Authors:
+   Andrew Borodin <aborodin@vmail.ru>, 2020-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file frame.c
+ *  \brief Source: WFrame widget (frame of dialogs)
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/util.h"           /* MC_PTR_FREE */
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+frame_adjust (WFrame * f)
+{
+    Widget *w = WIDGET (f);
+
+    w->rect = WIDGET (w->owner)->rect;
+    w->pos_flags |= WPOS_KEEP_ALL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+frame_draw (const WFrame * f)
+{
+    const Widget *wf = CONST_WIDGET (f);
+    const WRect *w = &wf->rect;
+    int d = f->compact ? 0 : 1;
+    const int *colors;
+
+    colors = widget_get_colors (wf);
+
+    if (mc_global.tty.shadows)
+        tty_draw_box_shadow (w->y, w->x, w->lines, w->cols, SHADOW_COLOR);
+
+    tty_setcolor (colors[FRAME_COLOR_NORMAL]);
+    tty_fill_region (w->y, w->x, w->lines, w->cols, ' ');
+    tty_draw_box (w->y + d, w->x + d, w->lines - 2 * d, w->cols - 2 * d, f->single);
+
+    if (f->title != NULL)
+    {
+        /* TODO: truncate long title */
+        tty_setcolor (colors[FRAME_COLOR_TITLE]);
+        widget_gotoyx (f, d, (w->cols - str_term_width1 (f->title)) / 2);
+        tty_print_string (f->title);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WFrame *
+frame_new (int y, int x, int lines, int cols, const char *title, gboolean single, gboolean compact)
+{
+    WRect r = { y, x, lines, cols };
+    WFrame *f;
+    Widget *w;
+
+    f = g_new (WFrame, 1);
+    w = WIDGET (f);
+    widget_init (w, &r, frame_callback, NULL);
+
+    f->single = single;
+    f->compact = compact;
+
+    f->title = NULL;
+    frame_set_title (f, title);
+
+    return f;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+frame_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WFrame *f = FRAME (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        frame_adjust (f);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        frame_draw (f);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        g_free (f->title);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+frame_set_title (WFrame * f, const char *title)
+{
+    MC_PTR_FREE (f->title);
+
+    /* Strip existing spaces, add one space before and after the title */
+    if (title != NULL && *title != '\0')
+    {
+        char *t;
+
+        t = g_strstrip (g_strdup (title));
+        if (*t != '\0')
+            f->title = g_strdup_printf (" %s ", t);
+        g_free (t);
+    }
+
+    widget_draw (WIDGET (f));
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/frame.h b/lib/widget/frame.h
new file mode 100644
index 0000000..83e314e
--- /dev/null
+++ b/lib/widget/frame.h
@@ -0,0 +1,43 @@
+
+/** \file frame.h
+ *  \brief Header: WFrame widget
+ */
+
+#ifndef MC__WIDGET_FRAME_H
+#define MC__WIDGET_FRAME_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define FRAME(x) ((WFrame *)(x))
+#define CONST_FRAME(x) ((const WFrame *)(x))
+
+#define FRAME_COLOR_NORMAL DLG_COLOR_NORMAL
+#define FRAME_COLOR_TITLE DLG_COLOR_TITLE
+
+/*** enums ***************************************************************************************/
+
+/*** typedefs(not structures) ********************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    Widget widget;
+
+    char *title;
+    gboolean single;
+    gboolean compact;
+} WFrame;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WFrame *frame_new (int y, int x, int lines, int cols, const char *title, gboolean single,
+                   gboolean compact);
+cb_ret_t frame_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data);
+void frame_set_title (WFrame * f, const char *title);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_FRAME_H */
diff --git a/lib/widget/gauge.c b/lib/widget/gauge.c
new file mode 100644
index 0000000..327431a
--- /dev/null
+++ b/lib/widget/gauge.c
@@ -0,0 +1,174 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file gauge.c
+ *  \brief Source: WGauge widget (progress indicator)
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static cb_ret_t
+gauge_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGauge *g = GAUGE (w);
+    const int *colors;
+
+    switch (msg)
+    {
+    case MSG_DRAW:
+        colors = widget_get_colors (w);
+        widget_gotoyx (w, 0, 0);
+        if (!g->shown)
+        {
+            tty_setcolor (colors[DLG_COLOR_NORMAL]);
+            tty_printf ("%*s", w->rect.cols, "");
+        }
+        else
+        {
+            int gauge_len;
+            int percentage, columns;
+            int total = g->max;
+            int done = g->current;
+
+            if (total <= 0 || done < 0)
+            {
+                done = 0;
+                total = 100;
+            }
+            if (done > total)
+                done = total;
+            while (total > 65535)
+            {
+                total /= 256;
+                done /= 256;
+            }
+
+            gauge_len = w->rect.cols - 7;       /* 7 positions for percentage */
+
+            percentage = (200 * done / total + 1) / 2;
+            columns = (2 * gauge_len * done / total + 1) / 2;
+            tty_print_char ('[');
+            if (g->from_left_to_right)
+            {
+                tty_setcolor (GAUGE_COLOR);
+                tty_printf ("%*s", columns, "");
+                tty_setcolor (colors[DLG_COLOR_NORMAL]);
+                tty_printf ("%*s] %3d%%", gauge_len - columns, "", percentage);
+            }
+            else
+            {
+                tty_setcolor (colors[DLG_COLOR_NORMAL]);
+                tty_printf ("%*s", gauge_len - columns, "");
+                tty_setcolor (GAUGE_COLOR);
+                tty_printf ("%*s", columns, "");
+                tty_setcolor (colors[DLG_COLOR_NORMAL]);
+                tty_printf ("] %3d%%", percentage);
+            }
+        }
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WGauge *
+gauge_new (int y, int x, int cols, gboolean shown, int max, int current)
+{
+    WRect r = { y, x, 1, cols };
+    WGauge *g;
+    Widget *w;
+
+    g = g_new (WGauge, 1);
+    w = WIDGET (g);
+    widget_init (w, &r, gauge_callback, NULL);
+
+    g->shown = shown;
+    if (max == 0)
+        max = 1;                /* I do not like division by zero :) */
+    g->max = max;
+    g->current = current;
+    g->from_left_to_right = TRUE;
+
+    return g;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+gauge_set_value (WGauge * g, int max, int current)
+{
+    if (g->current == current && g->max == max)
+        return;                 /* Do not flicker */
+
+    if (max == 0)
+        max = 1;                /* I do not like division by zero :) */
+    g->current = current;
+    g->max = max;
+    widget_draw (WIDGET (g));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+gauge_show (WGauge * g, gboolean shown)
+{
+    if (g->shown != shown)
+    {
+        g->shown = shown;
+        widget_draw (WIDGET (g));
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/gauge.h b/lib/widget/gauge.h
new file mode 100644
index 0000000..e1f5d2c
--- /dev/null
+++ b/lib/widget/gauge.h
@@ -0,0 +1,36 @@
+
+/** \file gauge.h
+ *  \brief Header: WGauge widget
+ */
+
+#ifndef MC__WIDGET_GAUGE_H
+#define MC__WIDGET_GAUGE_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define GAUGE(x) ((WGauge *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WGauge
+{
+    Widget widget;
+    gboolean shown;
+    int max;
+    int current;
+    gboolean from_left_to_right;
+} WGauge;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WGauge *gauge_new (int y, int x, int cols, gboolean shown, int max, int current);
+void gauge_set_value (WGauge * g, int max, int current);
+void gauge_show (WGauge * g, gboolean shown);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_GAUGE_H */
diff --git a/lib/widget/group.c b/lib/widget/group.c
new file mode 100644
index 0000000..9ff52d9
--- /dev/null
+++ b/lib/widget/group.c
@@ -0,0 +1,968 @@
+/*
+   Widget group features module for the Midnight Commander
+
+   Copyright (C) 2020-2022
+   The Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2020-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file group.c
+ *  \brief Source: widget group features module
+ */
+
+#include <config.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/key.h"        /* ALT() */
+
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/* Control widget positions in a group */
+typedef struct
+{
+    int shift_x;
+    int scale_x;
+    int shift_y;
+    int scale_y;
+} widget_shift_scale_t;
+
+typedef struct
+{
+    widget_state_t state;
+    gboolean enable;
+} widget_state_info_t;
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_widget_init (void *data, void *user_data)
+{
+    (void) user_data;
+
+    send_message (WIDGET (data), NULL, MSG_INIT, 0, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+group_get_next_or_prev_of (GList * list, gboolean next)
+{
+    GList *l = NULL;
+
+    if (list != NULL)
+    {
+        WGroup *owner = WIDGET (list->data)->owner;
+
+        if (owner != NULL)
+        {
+            if (next)
+            {
+                l = g_list_next (list);
+                if (l == NULL)
+                    l = owner->widgets;
+            }
+            else
+            {
+                l = g_list_previous (list);
+                if (l == NULL)
+                    l = g_list_last (owner->widgets);
+            }
+        }
+    }
+
+    return l;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_select_next_or_prev (WGroup * g, gboolean next)
+{
+    if (g->widgets != NULL && g->current != NULL)
+    {
+        GList *l = g->current;
+
+        do
+        {
+            l = group_get_next_or_prev_of (l, next);
+        }
+        while (!widget_is_focusable (l->data) && l != g->current);
+
+        widget_select (l->data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_widget_set_state (gpointer data, gpointer user_data)
+{
+    widget_state_info_t *state = (widget_state_info_t *) user_data;
+
+    widget_set_state (WIDGET (data), state->state, state->enable);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Send broadcast message to all widgets in the group that have specified options.
+ *
+ * @param g WGroup object
+ * @param msg message sent to widgets
+ * @param reverse if TRUE, send message in reverse order, FALSE -- in direct one.
+ * @param options if WOP_DEFAULT, the message is sent to all widgets. Else message is sent to widgets
+ *                that have specified options.
+ */
+
+static void
+group_send_broadcast_msg_custom (WGroup * g, widget_msg_t msg, gboolean reverse,
+                                 widget_options_t options)
+{
+    GList *p, *first;
+
+    if (g->widgets == NULL)
+        return;
+
+    if (g->current == NULL)
+        g->current = g->widgets;
+
+    p = group_get_next_or_prev_of (g->current, !reverse);
+    first = p;
+
+    do
+    {
+        Widget *w = WIDGET (p->data);
+
+        p = group_get_next_or_prev_of (p, !reverse);
+
+        if (options == WOP_DEFAULT || (options & w->options) != 0)
+            /* special case: don't draw invisible widgets */
+            if (msg != MSG_DRAW || widget_get_state (w, WST_VISIBLE))
+                send_message (w, NULL, msg, 0, NULL);
+    }
+    while (first != p);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Default group callback to convert group coordinates from local (relative to owner) to global
+  * (relative to screen).
+  *
+  * @param w widget
+  */
+
+static void
+group_default_make_global (Widget * w, const WRect * delta)
+{
+    GList *iter;
+
+    if (delta != NULL)
+    {
+        /* change own coordinates */
+        widget_default_make_global (w, delta);
+        /* change child widget coordinates */
+        for (iter = GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+            WIDGET (iter->data)->make_global (WIDGET (iter->data), delta);
+    }
+    else if (w->owner != NULL)
+    {
+        WRect r = WIDGET (w->owner)->rect;
+
+        r.lines = 0;
+        r.cols = 0;
+        /* change own coordinates */
+        widget_default_make_global (w, &r);
+        /* change child widget coordinates */
+        for (iter = GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+            WIDGET (iter->data)->make_global (WIDGET (iter->data), &r);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Default group callback to convert group coordinates from global (relative to screen) to local
+  * (relative to owner).
+  *
+  * @param w widget
+  */
+
+static void
+group_default_make_local (Widget * w, const WRect * delta)
+{
+    GList *iter;
+
+    if (delta != NULL)
+    {
+        /* change own coordinates */
+        widget_default_make_local (w, delta);
+        /* change child widget coordinates */
+        for (iter = GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+            WIDGET (iter->data)->make_local (WIDGET (iter->data), delta);
+    }
+    else if (w->owner != NULL)
+    {
+        WRect r = WIDGET (w->owner)->rect;
+
+        r.lines = 0;
+        r.cols = 0;
+        /* change own coordinates */
+        widget_default_make_local (w, &r);
+        /* change child widget coordinates */
+        for (iter = GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+            WIDGET (iter->data)->make_local (WIDGET (iter->data), &r);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Default group callback function to find widget in the group.
+ *
+ * @param w WGroup object
+ * @param what widget to find
+ *
+ * @return holder of @what if found, NULL otherwise
+ */
+
+static GList *
+group_default_find (const Widget * w, const Widget * what)
+{
+    GList *w0;
+
+    w0 = widget_default_find (w, what);
+    if (w0 == NULL)
+    {
+        GList *iter;
+
+        for (iter = CONST_GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+        {
+            w0 = widget_find (WIDGET (iter->data), what);
+            if (w0 != NULL)
+                break;
+        }
+    }
+
+    return w0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Default group callback function to find widget in the group using widget callback.
+ *
+ * @param w WGroup object
+ * @param cb widget callback
+ *
+ * @return widget object if found, NULL otherwise
+ */
+
+static Widget *
+group_default_find_by_type (const Widget * w, widget_cb_fn cb)
+{
+    Widget *w0;
+
+    w0 = widget_default_find_by_type (w, cb);
+    if (w0 == NULL)
+    {
+        GList *iter;
+
+        for (iter = CONST_GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+        {
+            w0 = widget_find_by_type (WIDGET (iter->data), cb);
+            if (w0 != NULL)
+                break;
+        }
+    }
+
+    return w0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Default group callback function to find widget by widget ID in the group.
+ *
+ * @param w WGroup object
+ * @param id widget ID
+ *
+ * @return widget object if widget with specified id is found in group, NULL otherwise
+ */
+
+static Widget *
+group_default_find_by_id (const Widget * w, unsigned long id)
+{
+    Widget *w0;
+
+    w0 = widget_default_find_by_id (w, id);
+    if (w0 == NULL)
+    {
+        GList *iter;
+
+        for (iter = CONST_GROUP (w)->widgets; iter != NULL; iter = g_list_next (iter))
+        {
+            w0 = widget_find_by_id (WIDGET (iter->data), id);
+            if (w0 != NULL)
+                break;
+        }
+    }
+
+    return w0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Update cursor position in the active widget of the group.
+ *
+ * @param g WGroup object
+ *
+ * @return MSG_HANDLED if cursor was updated in the specified group, MSG_NOT_HANDLED otherwise
+ */
+
+static cb_ret_t
+group_update_cursor (WGroup * g)
+{
+    GList *p = g->current;
+
+    if (p != NULL && widget_get_state (WIDGET (g), WST_ACTIVE))
+        do
+        {
+            Widget *w = WIDGET (p->data);
+
+            /* Don't use widget_is_selectable() here.
+               If WOP_SELECTABLE option is not set, widget can handle mouse events.
+               For example, commandl line in file manager */
+            if (widget_get_options (w, WOP_WANT_CURSOR) && widget_get_state (w, WST_VISIBLE)
+                && !widget_get_state (w, WST_DISABLED) && widget_update_cursor (WIDGET (p->data)))
+                return MSG_HANDLED;
+
+            p = group_get_widget_next_of (p);
+        }
+        while (p != g->current);
+
+    return MSG_NOT_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_widget_set_position (gpointer data, gpointer user_data)
+{
+    /* there are, mainly, 2 generally possible situations:
+     * 1. control sticks to one side - it should be moved
+     * 2. control sticks to two sides of one direction - it should be sized
+     */
+
+    Widget *c = WIDGET (data);
+    const WRect *g = &CONST_WIDGET (c->owner)->rect;
+    const widget_shift_scale_t *wss = (const widget_shift_scale_t *) user_data;
+    WRect r = c->rect;
+
+    if ((c->pos_flags & WPOS_CENTER_HORZ) != 0)
+        r.x = g->x + (g->cols - c->rect.cols) / 2;
+    else if ((c->pos_flags & WPOS_KEEP_LEFT) != 0 && (c->pos_flags & WPOS_KEEP_RIGHT) != 0)
+    {
+        r.x += wss->shift_x;
+        r.cols += wss->scale_x;
+    }
+    else if ((c->pos_flags & WPOS_KEEP_LEFT) != 0)
+        r.x += wss->shift_x;
+    else if ((c->pos_flags & WPOS_KEEP_RIGHT) != 0)
+        r.x += wss->shift_x + wss->scale_x;
+
+    if ((c->pos_flags & WPOS_CENTER_VERT) != 0)
+        r.y = g->y + (g->lines - c->rect.lines) / 2;
+    else if ((c->pos_flags & WPOS_KEEP_TOP) != 0 && (c->pos_flags & WPOS_KEEP_BOTTOM) != 0)
+    {
+        r.y += wss->shift_y;
+        r.lines += wss->scale_y;
+    }
+    else if ((c->pos_flags & WPOS_KEEP_TOP) != 0)
+        r.y += wss->shift_y;
+    else if ((c->pos_flags & WPOS_KEEP_BOTTOM) != 0)
+        r.y += wss->shift_y + wss->scale_y;
+
+    send_message (c, NULL, MSG_RESIZE, 0, &r);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_set_position (WGroup * g, const WRect * r)
+{
+    WRect *w = &WIDGET (g)->rect;
+    widget_shift_scale_t wss;
+    /* save old positions, will be used to reposition childs */
+    WRect or = *w;
+
+    *w = *r;
+
+    /* dialog is empty */
+    if (g->widgets == NULL)
+        return;
+
+    if (g->current == NULL)
+        g->current = g->widgets;
+
+    /* values by which controls should be moved */
+    wss.shift_x = w->x - or.x;
+    wss.scale_x = w->cols - or.cols;
+    wss.shift_y = w->y - or.y;
+    wss.scale_y = w->lines - or.lines;
+
+    if (wss.shift_x != 0 || wss.shift_y != 0 || wss.scale_x != 0 || wss.scale_y != 0)
+        g_list_foreach (g->widgets, group_widget_set_position, &wss);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_default_resize (WGroup * g, WRect * r)
+{
+    /* This is default resizing mechanism.
+     * The main idea of this code is to resize dialog according to flags
+     * (if any of flags require automatic resizing, like WPOS_CENTER,
+     * end after that reposition controls in dialog according to flags of widget)
+     */
+
+    Widget *w = WIDGET (g);
+    WRect r0;
+
+    r0 = r != NULL ? *r : w->rect;
+    widget_adjust_position (w->pos_flags, &r0);
+    group_set_position (g, &r0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+group_draw (WGroup * g)
+{
+    Widget *wg = WIDGET (g);
+
+    /* draw all widgets in Z-order, from first to last */
+    if (widget_get_state (wg, WST_ACTIVE))
+    {
+        GList *p;
+
+        if (g->winch_pending)
+        {
+            g->winch_pending = FALSE;
+            send_message (wg, NULL, MSG_RESIZE, 0, NULL);
+        }
+
+        for (p = g->widgets; p != NULL; p = g_list_next (p))
+            widget_draw (WIDGET (p->data));
+
+        widget_update_cursor (wg);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+group_handle_key (WGroup * g, int key)
+{
+    cb_ret_t handled;
+
+    /* first try the hotkey */
+    handled = send_message (g, NULL, MSG_HOTKEY, key, NULL);
+
+    /* not used - then try widget_callback */
+    if (handled == MSG_NOT_HANDLED)
+        handled = send_message (g->current->data, NULL, MSG_KEY, key, NULL);
+
+    /* not used - try to use the unhandled case */
+    if (handled == MSG_NOT_HANDLED)
+        handled = send_message (g, g->current->data, MSG_UNHANDLED_KEY, key, NULL);
+
+    return handled;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+group_handle_hotkey (WGroup * g, int key)
+{
+    GList *current;
+    Widget *w;
+    cb_ret_t handled = MSG_NOT_HANDLED;
+    int c;
+
+    if (g->widgets == NULL)
+        return MSG_NOT_HANDLED;
+
+    if (g->current == NULL)
+        g->current = g->widgets;
+
+    w = WIDGET (g->current->data);
+
+    if (!widget_get_state (w, WST_VISIBLE) || widget_get_state (w, WST_DISABLED))
+        return MSG_NOT_HANDLED;
+
+    /* Explanation: we don't send letter hotkeys to other widgets
+     * if the currently selected widget is an input line */
+    if (widget_get_options (w, WOP_IS_INPUT))
+    {
+        /* skip ascii control characters, anything else can valid character in some encoding */
+        if (key >= 32 && key < 256)
+            return MSG_NOT_HANDLED;
+    }
+
+    /* If it's an alt key, send the message */
+    c = key & ~ALT (0);
+    if (key & ALT (0) && g_ascii_isalpha (c))
+        key = g_ascii_tolower (c);
+
+    if (widget_get_options (w, WOP_WANT_HOTKEY))
+        handled = send_message (w, NULL, MSG_HOTKEY, key, NULL);
+
+    /* If not used, send hotkey to other widgets */
+    if (handled == MSG_HANDLED)
+        return MSG_HANDLED;
+
+    current = group_get_widget_next_of (g->current);
+
+    /* send it to all widgets */
+    while (g->current != current && handled == MSG_NOT_HANDLED)
+    {
+        w = WIDGET (current->data);
+
+        if (widget_get_options (w, WOP_WANT_HOTKEY) && !widget_get_state (w, WST_DISABLED))
+            handled = send_message (w, NULL, MSG_HOTKEY, key, NULL);
+
+        if (handled == MSG_NOT_HANDLED)
+            current = group_get_widget_next_of (current);
+    }
+
+    if (handled == MSG_HANDLED)
+    {
+        w = WIDGET (current->data);
+        widget_select (w);
+        send_message (g, w, MSG_HOTKEY_HANDLED, 0, NULL);
+    }
+
+    return handled;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Initialize group.
+ *
+ * @param g WGroup widget
+ * @param y1 y-coordinate of top-left corner
+ * @param x1 x-coordinate of top-left corner
+ * @param lines group height
+ * @param cols group width
+ * @param callback group callback
+ * @param mouse_callback group mouse handler
+ */
+
+void
+group_init (WGroup * g, const WRect * r, widget_cb_fn callback, widget_mouse_cb_fn mouse_callback)
+{
+    Widget *w = WIDGET (g);
+
+    widget_init (w, r, callback != NULL ? callback : group_default_callback, mouse_callback);
+
+    w->mouse_handler = group_handle_mouse_event;
+
+    w->make_global = group_default_make_global;
+    w->make_local = group_default_make_local;
+
+    w->find = group_default_find;
+    w->find_by_type = group_default_find_by_type;
+    w->find_by_id = group_default_find_by_id;
+
+    w->set_state = group_default_set_state;
+
+    g->mouse_status = MOU_UNHANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+group_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGroup *g = GROUP (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        g_list_foreach (g->widgets, group_widget_init, NULL);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        group_draw (g);
+        return MSG_HANDLED;
+
+    case MSG_KEY:
+        return group_handle_key (g, parm);
+
+    case MSG_HOTKEY:
+        return group_handle_hotkey (g, parm);
+
+    case MSG_CURSOR:
+        return group_update_cursor (g);
+
+    case MSG_RESIZE:
+        group_default_resize (g, RECT (data));
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        g_list_foreach (g->widgets, (GFunc) widget_destroy, NULL);
+        g_list_free (g->widgets);
+        g->widgets = NULL;
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Change state of group.
+ *
+ * @param w      group
+ * @param state  widget state flag to modify
+ * @param enable specifies whether to turn the flag on (TRUE) or off (FALSE).
+ *               Only one flag per call can be modified.
+ * @return       MSG_HANDLED if set was handled successfully, MSG_NOT_HANDLED otherwise.
+ */
+cb_ret_t
+group_default_set_state (Widget * w, widget_state_t state, gboolean enable)
+{
+    gboolean ret = MSG_HANDLED;
+    WGroup *g = GROUP (w);
+    widget_state_info_t st = {
+        .state = state,
+        .enable = enable
+    };
+
+    ret = widget_default_set_state (w, state, enable);
+
+    if (state == WST_ACTIVE || state == WST_SUSPENDED || state == WST_CLOSED)
+        /* inform all child widgets */
+        g_list_foreach (g->widgets, group_widget_set_state, &st);
+
+    if ((w->state & WST_ACTIVE) != 0)
+    {
+        if ((w->state & WST_FOCUSED) != 0)
+        {
+            /* update current widget */
+            if (g->current != NULL)
+                widget_set_state (WIDGET (g->current->data), WST_FOCUSED, enable);
+        }
+        else
+            /* inform all child widgets */
+            g_list_foreach (g->widgets, group_widget_set_state, &st);
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Handling mouse events.
+ *
+ * @param g WGroup object
+ * @param event GPM mouse event
+ *
+ * @return result of mouse event handling
+ */
+int
+group_handle_mouse_event (Widget * w, Gpm_Event * event)
+{
+    WGroup *g = GROUP (w);
+
+    if (g->widgets != NULL)
+    {
+        GList *p;
+
+        /* send the event to widgets in reverse Z-order */
+        p = g_list_last (g->widgets);
+        do
+        {
+            Widget *wp = WIDGET (p->data);
+
+            /* Don't use widget_is_selectable() here.
+               If WOP_SELECTABLE option is not set, widget can handle mouse events.
+               For example, commandl line in file manager */
+            if (widget_get_state (w, WST_VISIBLE) && !widget_get_state (wp, WST_DISABLED))
+            {
+                /* put global cursor position to the widget */
+                int ret;
+
+                ret = wp->mouse_handler (wp, event);
+                if (ret != MOU_UNHANDLED)
+                    return ret;
+            }
+
+            p = g_list_previous (p);
+        }
+        while (p != NULL);
+    }
+
+    return MOU_UNHANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Insert widget to group before specified widget with specified positioning.
+ * Make the inserted widget current.
+ *
+ * @param g WGroup object
+ * @param w widget to be added
+ * @pos positioning flags
+ * @param before add @w before this widget
+ *
+ * @return widget ID
+ */
+
+unsigned long
+group_add_widget_autopos (WGroup * g, void *w, widget_pos_flags_t pos_flags, const void *before)
+{
+    Widget *wg = WIDGET (g);
+    Widget *ww = WIDGET (w);
+    GList *new_current;
+
+    /* Don't accept NULL widget. This shouldn't happen */
+    assert (ww != NULL);
+
+    if ((pos_flags & WPOS_CENTER_HORZ) != 0)
+        ww->rect.x = (wg->rect.cols - ww->rect.cols) / 2;
+
+    if ((pos_flags & WPOS_CENTER_VERT) != 0)
+        ww->rect.y = (wg->rect.lines - ww->rect.lines) / 2;
+
+    ww->owner = g;
+    ww->pos_flags = pos_flags;
+    widget_make_global (ww);
+
+    if (g->widgets == NULL || before == NULL)
+    {
+        g->widgets = g_list_append (g->widgets, ww);
+        new_current = g_list_last (g->widgets);
+    }
+    else
+    {
+        GList *b;
+
+        b = g_list_find (g->widgets, before);
+
+        /* don't accept widget not from group. This shouldn't happen */
+        assert (b != NULL);
+
+        b = g_list_next (b);
+        g->widgets = g_list_insert_before (g->widgets, b, ww);
+        if (b != NULL)
+            new_current = g_list_previous (b);
+        else
+            new_current = g_list_last (g->widgets);
+    }
+
+    /* widget has been added at runtime */
+    if (widget_get_state (wg, WST_ACTIVE))
+    {
+        group_widget_init (ww, NULL);
+        widget_select (ww);
+    }
+    else
+        g->current = new_current;
+
+    return ww->id;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Remove widget from group.
+ *
+ * @param w Widget object
+ */
+void
+group_remove_widget (void *w)
+{
+    Widget *ww = WIDGET (w);
+    WGroup *g;
+    GList *d;
+
+    /* Don't accept NULL widget. This shouldn't happen */
+    assert (w != NULL);
+
+    g = ww->owner;
+
+    d = g_list_find (g->widgets, ww);
+    if (d == g->current)
+        group_set_current_widget_next (g);
+
+    g->widgets = g_list_delete_link (g->widgets, d);
+    if (g->widgets == NULL)
+        g->current = NULL;
+
+    /* widget has been deleted at runtime */
+    if (widget_get_state (WIDGET (g), WST_ACTIVE))
+    {
+        group_draw (g);
+        group_select_current_widget (g);
+    }
+
+    widget_make_local (ww);
+    ww->owner = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Switch current widget to widget after current in group.
+ *
+ * @param g WGroup object
+ */
+
+void
+group_set_current_widget_next (WGroup * g)
+{
+    g->current = group_get_next_or_prev_of (g->current, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Switch current widget to widget before current in group.
+ *
+ * @param g WGroup object
+ */
+
+void
+group_set_current_widget_prev (WGroup * g)
+{
+    g->current = group_get_next_or_prev_of (g->current, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get widget that is after specified widget in group.
+ *
+ * @param w widget holder
+ *
+ * @return widget that is after "w" or NULL if "w" is NULL or widget doesn't have owner
+ */
+
+GList *
+group_get_widget_next_of (GList * w)
+{
+    return group_get_next_or_prev_of (w, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get widget that is before specified widget in group.
+ *
+ * @param w widget holder
+ *
+ * @return widget that is before "w" or NULL if "w" is NULL or widget doesn't have owner
+ */
+
+GList *
+group_get_widget_prev_of (GList * w)
+{
+    return group_get_next_or_prev_of (w, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Try to select next widget in the Z order.
+ *
+ * @param g WGroup object
+ */
+
+void
+group_select_next_widget (WGroup * g)
+{
+    group_select_next_or_prev (g, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Try to select previous widget in the Z order.
+ *
+ * @param g WGroup object
+ */
+
+void
+group_select_prev_widget (WGroup * g)
+{
+    group_select_next_or_prev (g, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Find the widget with the specified ID in the group and select it
+ *
+ * @param g WGroup object
+ * @param id widget ID
+ */
+
+void
+group_select_widget_by_id (const WGroup * g, unsigned long id)
+{
+    Widget *w;
+
+    w = widget_find_by_id (CONST_WIDGET (g), id);
+    if (w != NULL)
+        widget_select (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Send broadcast message to all widgets in the group.
+ *
+ * @param g WGroup object
+ * @param msg message sent to widgets
+ */
+
+void
+group_send_broadcast_msg (WGroup * g, widget_msg_t msg)
+{
+    group_send_broadcast_msg_custom (g, msg, FALSE, WOP_DEFAULT);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/group.h b/lib/widget/group.h
new file mode 100644
index 0000000..3155d8f
--- /dev/null
+++ b/lib/widget/group.h
@@ -0,0 +1,125 @@
+/*
+ *  Widget group features module for Midnight Commander
+ */
+
+/** \file group.h
+ *  \brief Header: widget group features module
+ */
+
+#ifndef MC__GROUP_H
+#define MC__GROUP_H
+
+#include "lib/global.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define GROUP(x) ((WGroup *)(x))
+#define CONST_GROUP(x) ((const WGroup *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** typedefs(not structures) ********************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct WGroup
+{
+    Widget widget;
+
+    /* Group members */
+    GList *widgets;             /* widgets list */
+    GList *current;             /* Currently active widget */
+
+    gboolean winch_pending;     /* SIGWINCH signal has been got. Resize group after rise */
+    int mouse_status;           /* For the autorepeat status of the mouse */
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void group_init (WGroup * g, const WRect * r, widget_cb_fn callback,
+                 widget_mouse_cb_fn mouse_callback);
+/* Default callback for groups */
+cb_ret_t group_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm,
+                                 void *data);
+cb_ret_t group_default_set_state (Widget * w, widget_state_t state, gboolean enable);
+int group_handle_mouse_event (Widget * w, Gpm_Event * event);
+
+unsigned long group_add_widget_autopos (WGroup * g, void *w, widget_pos_flags_t pos_flags,
+                                        const void *before);
+void group_remove_widget (void *w);
+
+void group_set_current_widget_next (WGroup * g);
+void group_set_current_widget_prev (WGroup * g);
+
+GList *group_get_widget_next_of (GList * w);
+GList *group_get_widget_prev_of (GList * w);
+
+void group_select_next_widget (WGroup * g);
+void group_select_prev_widget (WGroup * g);
+
+void group_select_widget_by_id (const WGroup * g, unsigned long id);
+
+void group_send_broadcast_msg (WGroup * g, widget_msg_t message);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Add widget to group before current widget.
+ *
+ * @param g WGroup object
+ * @param w widget to be added
+ *
+ * @return widget ID
+ */
+
+static inline unsigned long
+group_add_widget (WGroup * g, void *w)
+{
+    return group_add_widget_autopos (g, w, WPOS_KEEP_DEFAULT,
+                                     g->current != NULL ? g->current->data : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Add widget to group before specified widget.
+ *
+ * @param g WGroup object
+ * @param w widget to be added
+ * @param before add @w before this widget
+ *
+ * @return widget ID
+ */
+
+static inline unsigned long
+group_add_widget_before (WGroup * g, void *w, void *before)
+{
+    return group_add_widget_autopos (g, w, WPOS_KEEP_DEFAULT, before);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Select current widget in the Dialog.
+ *
+ * @param h WDialog object
+ */
+
+static inline void
+group_select_current_widget (WGroup * g)
+{
+    if (g->current != NULL)
+        widget_select (WIDGET (g->current->data));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline unsigned long
+group_get_current_widget_id (const WGroup * g)
+{
+    return WIDGET (g->current->data)->id;
+}
+
+#endif /* MC__GROUP_H */
diff --git a/lib/widget/groupbox.c b/lib/widget/groupbox.c
new file mode 100644
index 0000000..ecd9f54
--- /dev/null
+++ b/lib/widget/groupbox.c
@@ -0,0 +1,132 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file groupbox.c
+ *  \brief Source: WGroupbox widget
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static cb_ret_t
+groupbox_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGroupbox *g = GROUPBOX (w);
+
+    switch (msg)
+    {
+    case MSG_DRAW:
+        {
+            gboolean disabled;
+            const int *colors;
+
+            colors = widget_get_colors (w);
+
+            disabled = widget_get_state (w, WST_DISABLED);
+            tty_setcolor (disabled ? DISABLED_COLOR : colors[DLG_COLOR_NORMAL]);
+            tty_draw_box (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, TRUE);
+
+            if (g->title != NULL)
+            {
+                tty_setcolor (disabled ? DISABLED_COLOR : colors[DLG_COLOR_TITLE]);
+                widget_gotoyx (w, 0, 1);
+                tty_print_string (g->title);
+            }
+            return MSG_HANDLED;
+        }
+
+    case MSG_DESTROY:
+        g_free (g->title);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WGroupbox *
+groupbox_new (int y, int x, int height, int width, const char *title)
+{
+    WRect r = { y, x, height, width };
+    WGroupbox *g;
+    Widget *w;
+
+    g = g_new (WGroupbox, 1);
+    w = WIDGET (g);
+    widget_init (w, &r, groupbox_callback, NULL);
+
+    g->title = NULL;
+    groupbox_set_title (g, title);
+
+    return g;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+groupbox_set_title (WGroupbox * g, const char *title)
+{
+    MC_PTR_FREE (g->title);
+
+    /* Strip existing spaces, add one space before and after the title */
+    if (title != NULL && *title != '\0')
+    {
+        char *t;
+
+        t = g_strstrip (g_strdup (title));
+        g->title = g_strconcat (" ", t, " ", (char *) NULL);
+        g_free (t);
+    }
+
+    widget_draw (WIDGET (g));
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/groupbox.h b/lib/widget/groupbox.h
new file mode 100644
index 0000000..06fb0d3
--- /dev/null
+++ b/lib/widget/groupbox.h
@@ -0,0 +1,32 @@
+
+/** \file groupbox.h
+ *  \brief Header: WGroupbox widget
+ */
+
+#ifndef MC__WIDGET_GROUPBOX_H
+#define MC__WIDGET_GROUPBOX_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define GROUPBOX(x) ((WGroupbox *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WGroupbox
+{
+    Widget widget;
+    char *title;
+} WGroupbox;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WGroupbox *groupbox_new (int y, int x, int height, int width, const char *title);
+void groupbox_set_title (WGroupbox * g, const char *title);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_GROUPBOX_H */
diff --git a/lib/widget/history.c b/lib/widget/history.c
new file mode 100644
index 0000000..deb92ab
--- /dev/null
+++ b/lib/widget/history.c
@@ -0,0 +1,298 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file history.c
+ *  \brief Source: show history
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"        /* LINES, COLS */
+#include "lib/strutil.h"
+#include "lib/widget.h"
+#include "lib/keybind.h"        /* CK_* */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define B_VIEW (B_USER + 1)
+#define B_EDIT (B_USER + 2)
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    int y;
+    int x;
+    size_t count;
+    size_t max_width;
+} history_dlg_data;
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static cb_ret_t
+history_dlg_reposition (WDialog * dlg_head)
+{
+    history_dlg_data *data;
+    int x = 0, y, he, wi;
+    WRect r;
+
+    /* guard checks */
+    if ((dlg_head == NULL) || (dlg_head->data == NULL))
+        return MSG_NOT_HANDLED;
+
+    data = (history_dlg_data *) dlg_head->data;
+
+    y = data->y;
+    he = data->count + 2;
+
+    if (he <= y || y > (LINES - 6))
+    {
+        he = MIN (he, y - 1);
+        y -= he;
+    }
+    else
+    {
+        y++;
+        he = MIN (he, LINES - y);
+    }
+
+    if (data->x > 2)
+        x = data->x - 2;
+
+    wi = data->max_width + 4;
+
+    if ((wi + x) > COLS)
+    {
+        wi = MIN (wi, COLS);
+        x = COLS - wi;
+    }
+
+    rect_init (&r, y, x, he, wi);
+
+    return dlg_default_callback (WIDGET (dlg_head), NULL, MSG_RESIZE, 0, &r);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+history_dlg_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_RESIZE:
+        return history_dlg_reposition (DIALOG (w));
+
+    case MSG_NOTIFY:
+        {
+            /* message from listbox */
+            WDialog *d = DIALOG (w);
+
+            switch (parm)
+            {
+            case CK_View:
+                d->ret_value = B_VIEW;
+                break;
+            case CK_Edit:
+                d->ret_value = B_EDIT;
+                break;
+            case CK_Enter:
+                d->ret_value = B_ENTER;
+                break;
+            default:
+                return MSG_NOT_HANDLED;
+            }
+
+            dlg_stop (d);
+            return MSG_HANDLED;
+        }
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+history_create_item (history_descriptor_t * hd, void *data)
+{
+    char *text = (char *) data;
+    size_t width;
+
+    width = str_term_width1 (text);
+    hd->max_width = MAX (width, hd->max_width);
+
+    listbox_add_item (hd->listbox, LISTBOX_APPEND_AT_END, 0, text, NULL, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void *
+history_release_item (history_descriptor_t * hd, WLEntry * le)
+{
+    void *text;
+
+    (void) hd;
+
+    text = le->text;
+    le->text = NULL;
+
+    return text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+history_descriptor_init (history_descriptor_t * hd, int y, int x, GList * history, int current)
+{
+    hd->list = history;
+    hd->y = y;
+    hd->x = x;
+    hd->current = current;
+    hd->action = CK_IgnoreKey;
+    hd->text = NULL;
+    hd->max_width = 0;
+    hd->listbox = listbox_new (1, 1, 2, 2, TRUE, NULL);
+    /* in most cases history list contains string only and no any other data */
+    hd->create = history_create_item;
+    hd->release = history_release_item;
+    hd->free = g_free;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+history_show (history_descriptor_t * hd)
+{
+    GList *z, *hi;
+    size_t count;
+    WDialog *query_dlg;
+    history_dlg_data hist_data;
+    int dlg_ret;
+
+    if (hd == NULL || hd->list == NULL)
+        return;
+
+    hd->max_width = str_term_width1 (_("History")) + 2;
+
+    for (z = hd->list; z != NULL; z = g_list_previous (z))
+        hd->create (hd, z->data);
+    /* after this, the order of history items is following: recent at begin, oldest at end */
+
+    count = listbox_get_length (hd->listbox);
+
+    hist_data.y = hd->y;
+    hist_data.x = hd->x;
+    hist_data.count = count;
+    hist_data.max_width = hd->max_width;
+
+    query_dlg =
+        dlg_create (TRUE, 0, 0, 4, 4, WPOS_KEEP_DEFAULT, TRUE, dialog_colors, history_dlg_callback,
+                    NULL, "[History-query]", _("History"));
+    query_dlg->data = &hist_data;
+
+    /* this call makes list stick to all sides of dialog, effectively make
+       it be resized with dialog */
+    group_add_widget_autopos (GROUP (query_dlg), hd->listbox, WPOS_KEEP_ALL, NULL);
+
+    /* to avoid diplicating of (calculating sizes in two places)
+       code, call history_dlg_callback function here, to set dialog and
+       controls positions.
+       The main idea - create 4x4 dialog and add 2x2 list in
+       center of it, and let dialog function resize it to needed size. */
+    send_message (query_dlg, NULL, MSG_RESIZE, 0, NULL);
+
+    if (WIDGET (query_dlg)->rect.y < hd->y)
+    {
+        /* history is above base widget -- revert order to place recent item at bottom */
+        /* revert history direction */
+        g_queue_reverse (hd->listbox->list);
+        if (hd->current < 0 || (size_t) hd->current >= count)
+            listbox_select_last (hd->listbox);
+        else
+            listbox_select_entry (hd->listbox, count - 1 - (size_t) hd->current);
+    }
+    else
+    {
+        /* history is below base widget -- keep order to place recent item on top  */
+        if (hd->current > 0)
+            listbox_select_entry (hd->listbox, hd->current);
+    }
+
+    dlg_ret = dlg_run (query_dlg);
+    if (dlg_ret != B_CANCEL)
+    {
+        char *q;
+
+        switch (dlg_ret)
+        {
+        case B_EDIT:
+            hd->action = CK_Edit;
+            break;
+        case B_VIEW:
+            hd->action = CK_View;
+            break;
+        default:
+            hd->action = CK_Enter;
+        }
+
+        listbox_get_current (hd->listbox, &q, NULL);
+        hd->text = g_strdup (q);
+    }
+
+    /* get modified history from dialog */
+    z = NULL;
+    for (hi = listbox_get_first_link (hd->listbox); hi != NULL; hi = g_list_next (hi))
+        /* history is being reverted here again */
+        z = g_list_prepend (z, hd->release (hd, LENTRY (hi->data)));
+
+    /* restore history direction */
+    if (WIDGET (query_dlg)->rect.y < hd->y)
+        z = g_list_reverse (z);
+
+    widget_destroy (WIDGET (query_dlg));
+
+    hd->list = g_list_first (hd->list);
+    g_list_free_full (hd->list, hd->free);
+    hd->list = g_list_last (z);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/history.h b/lib/widget/history.h
new file mode 100644
index 0000000..9c4b403
--- /dev/null
+++ b/lib/widget/history.h
@@ -0,0 +1,51 @@
+
+/** \file lib/widget/history.h
+ *  \brief Header: show history
+ */
+
+#ifndef MC__WIDGET_HISTORY_H
+#define MC__WIDGET_HISTORY_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* forward declarations */
+struct history_descriptor_t;
+struct WLEntry;
+struct WListbox;
+
+typedef void (*history_create_item_func) (struct history_descriptor_t * hd, void *data);
+typedef void *(*history_release_item_func) (struct history_descriptor_t * hd, struct WLEntry * le);
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct history_descriptor_t
+{
+    GList *list;                /**< list with history items */
+    int y;                      /**< y-coordinate to place history window */
+    int x;                      /**< x-coordinate to place history window */
+    int current;                /**< initially selected item in the history */
+    int action;                 /**< return action in the history */
+    char *text;                 /**< return text of selected item */
+
+    size_t max_width;           /**< maximum width of sring in history */
+    struct WListbox *listbox;   /**< listbox widget to draw history */
+
+    history_create_item_func create;    /**< function to create item of @list */
+    history_release_item_func release;  /**< function to release item of @list */
+    GDestroyNotify free;        /**< function to destroy element of @list */
+} history_descriptor_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void history_descriptor_init (history_descriptor_t * hd, int y, int x, GList * history,
+                              int current);
+
+void history_show (history_descriptor_t * hd);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_HISTORY_H */
diff --git a/lib/widget/hline.c b/lib/widget/hline.c
new file mode 100644
index 0000000..867caf6
--- /dev/null
+++ b/lib/widget/hline.c
@@ -0,0 +1,192 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file hline.c
+ *  \brief Source: WHLine widget (horizontal line)
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+hline_adjust_cols (WHLine * l)
+{
+    if (l->auto_adjust_cols)
+    {
+        Widget *wl = WIDGET (l);
+        const Widget *o = CONST_WIDGET (wl->owner);
+        WRect *w = &wl->rect;
+        const WRect *wo = &o->rect;
+
+        if (CONST_DIALOG (o)->compact)
+        {
+            w->x = wo->x;
+            w->cols = wo->cols;
+        }
+        else
+        {
+            w->x = wo->x + 1;
+            w->cols = wo->cols - 2;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+hline_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WHLine *l = HLINE (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        hline_adjust_cols (l);
+        return MSG_HANDLED;
+
+    case MSG_RESIZE:
+        hline_adjust_cols (l);
+        w->rect.y = RECT (data)->y;
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        if (l->transparent)
+            tty_setcolor (DEFAULT_COLOR);
+        else
+        {
+            const int *colors;
+
+            colors = widget_get_colors (w);
+            tty_setcolor (colors[DLG_COLOR_NORMAL]);
+        }
+
+        tty_draw_hline (w->rect.y, w->rect.x + 1, ACS_HLINE, w->rect.cols - 2);
+
+        if (l->auto_adjust_cols)
+        {
+            widget_gotoyx (w, 0, 0);
+            tty_print_alt_char (ACS_LTEE, FALSE);
+            widget_gotoyx (w, 0, w->rect.cols - 1);
+            tty_print_alt_char (ACS_RTEE, FALSE);
+        }
+
+        if (l->text != NULL)
+        {
+            int text_width;
+
+            text_width = str_term_width1 (l->text);
+            widget_gotoyx (w, 0, (w->rect.cols - text_width) / 2);
+            tty_print_string (l->text);
+        }
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        g_free (l->text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WHLine *
+hline_new (int y, int x, int width)
+{
+    WRect r = { y, x, 1, width };
+    WHLine *l;
+    Widget *w;
+
+    l = g_new (WHLine, 1);
+    w = WIDGET (l);
+    r.cols = width < 0 ? 1 : width;
+    widget_init (w, &r, hline_callback, NULL);
+    l->text = NULL;
+    l->auto_adjust_cols = (width < 0);
+    l->transparent = FALSE;
+
+    return l;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hline_set_text (WHLine * l, const char *text)
+{
+    g_free (l->text);
+
+    if (text == NULL || *text == '\0')
+        l->text = NULL;
+    else
+        l->text = g_strdup (text);
+
+    widget_draw (WIDGET (l));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hline_set_textv (WHLine * l, const char *format, ...)
+{
+    va_list args;
+    char buf[BUF_1K];           /* FIXME: is it enough? */
+
+    va_start (args, format);
+    g_vsnprintf (buf, sizeof (buf), format, args);
+    va_end (args);
+
+    hline_set_text (l, buf);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/hline.h b/lib/widget/hline.h
new file mode 100644
index 0000000..4a84bf8
--- /dev/null
+++ b/lib/widget/hline.h
@@ -0,0 +1,37 @@
+
+/** \file hline.h
+ *  \brief Header: WHLine widget
+ */
+
+#ifndef MC__WIDGET_HLINE_H
+#define MC__WIDGET_HLINE_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define HLINE(x) ((WHLine *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    Widget widget;
+    char *text;
+    gboolean auto_adjust_cols;  /* Compute widget.cols from parent width? */
+    gboolean transparent;       /* Paint in the default color fg/bg */
+} WHLine;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WHLine *hline_new (int y, int x, int width);
+void hline_set_text (WHLine * l, const char *text);
+/* *INDENT-OFF* */
+void hline_set_textv (WHLine * l, const char *format, ...) G_GNUC_PRINTF (2, 3);
+/* *INDENT-ON* */
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_HLINE_H */
diff --git a/lib/widget/input.c b/lib/widget/input.c
new file mode 100644
index 0000000..b58d602
--- /dev/null
+++ b/lib/widget/input.c
@@ -0,0 +1,1320 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file input.c
+ *  \brief Source: WInput widget
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/key.h"        /* XCTRL and ALT macros  */
+#include "lib/fileloc.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+#include "lib/event.h"          /* mc_event_raise() */
+#include "lib/mcconfig.h"       /* mc_config_history_*() */
+
+/*** global variables ****************************************************************************/
+
+gboolean quote = FALSE;
+
+const global_keymap_t *input_map = NULL;
+
+/* Color styles for input widgets */
+input_colors_t input_colors;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define LARGE_HISTORY_BUTTON 1
+
+#ifdef LARGE_HISTORY_BUTTON
+#define HISTORY_BUTTON_WIDTH 3
+#else
+#define HISTORY_BUTTON_WIDTH 1
+#endif
+
+#define should_show_history_button(in) \
+    (in->history.list != NULL && WIDGET (in)->rect.cols > HISTORY_BUTTON_WIDTH * 2 + 1 \
+         && WIDGET (in)->owner != NULL)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* Input widgets have a global kill ring */
+/* Pointer to killed data */
+static char *kill_buffer = NULL;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static size_t
+get_history_length (GList * history)
+{
+    size_t len = 0;
+
+    for (; history != NULL; history = g_list_previous (history))
+        len++;
+
+    return len;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+draw_history_button (WInput * in)
+{
+    char c;
+    gboolean disabled;
+
+    if (g_list_next (in->history.current) == NULL)
+        c = '^';
+    else if (g_list_previous (in->history.current) == NULL)
+        c = 'v';
+    else
+        c = '|';
+
+    widget_gotoyx (in, 0, WIDGET (in)->rect.cols - HISTORY_BUTTON_WIDTH);
+    disabled = widget_get_state (WIDGET (in), WST_DISABLED);
+    tty_setcolor (disabled ? DISABLED_COLOR : in->color[WINPUTC_HISTORY]);
+
+#ifdef LARGE_HISTORY_BUTTON
+    tty_print_string ("[ ]");
+    widget_gotoyx (in, 0, WIDGET (in)->rect.cols - HISTORY_BUTTON_WIDTH + 1);
+#endif
+
+    tty_print_char (c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+input_mark_cmd (WInput * in, gboolean mark)
+{
+    in->mark = mark ? in->point : -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+input_eval_marks (WInput * in, long *start_mark, long *end_mark)
+{
+    if (in->mark >= 0)
+    {
+        *start_mark = MIN (in->mark, in->point);
+        *end_mark = MAX (in->mark, in->point);
+        return TRUE;
+    }
+
+    *start_mark = *end_mark = -1;
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+do_show_hist (WInput * in)
+{
+    size_t len;
+    history_descriptor_t hd;
+
+    len = get_history_length (in->history.list);
+
+    history_descriptor_init (&hd, WIDGET (in)->rect.y, WIDGET (in)->rect.x, in->history.list,
+                             g_list_position (in->history.list, in->history.list));
+    history_show (&hd);
+
+    /* in->history.list was destroyed in history_show().
+     * Apply new history and current postition to avoid use-after-free. */
+    in->history.list = hd.list;
+    in->history.current = in->history.list;
+    if (hd.text != NULL)
+    {
+        input_assign_text (in, hd.text);
+        g_free (hd.text);
+    }
+
+    /* Has history cleaned up or not? */
+    if (len != get_history_length (in->history.list))
+        in->history.changed = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Strip password from incomplete url (just user:pass@host without VFS prefix).
+ *
+ * @param url partial URL
+ * @return newly allocated string without password
+ */
+
+static char *
+input_history_strip_password (char *url)
+{
+    char *at, *delim, *colon;
+
+    at = strrchr (url, '@');
+    if (at == NULL)
+        return g_strdup (url);
+
+    /* TODO: handle ':' and '@' in password */
+
+    delim = strstr (url, VFS_PATH_URL_DELIMITER);
+    if (delim != NULL)
+        colon = strchr (delim + strlen (VFS_PATH_URL_DELIMITER), ':');
+    else
+        colon = strchr (url, ':');
+
+    /* if 'colon' before 'at', 'colon' delimits user and password: user:password@host */
+    /* if 'colon' after 'at', 'colon' delimits host and port: user@host:port */
+    if (colon != NULL && colon > at)
+        colon = NULL;
+
+    if (colon == NULL)
+        return g_strdup (url);
+    *colon = '\0';
+
+    return g_strconcat (url, at, (char *) NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+input_push_history (WInput * in)
+{
+    char *t;
+    gboolean empty;
+
+    t = g_strstrip (input_get_text (in));
+    empty = *t == '\0';
+    if (!empty)
+    {
+        g_free (t);
+        t = input_get_text (in);
+
+        if (in->history.name != NULL && in->strip_password)
+        {
+            /*
+               We got string user:pass@host without any VFS prefixes
+               and vfs_path_to_str_flags (t, VPF_STRIP_PASSWORD) doesn't work.
+               Therefore we want to strip password in separate algorithm
+             */
+            char *url_with_stripped_password;
+
+            url_with_stripped_password = input_history_strip_password (t);
+            g_free (t);
+            t = url_with_stripped_password;
+        }
+    }
+
+    if (in->history.list == NULL || in->history.list->data == NULL
+        || strcmp (in->history.list->data, t) != 0 || in->history.changed)
+    {
+        in->history.list = list_append_unique (in->history.list, t);
+        in->history.current = in->history.list;
+        in->history.changed = TRUE;
+    }
+    else
+        g_free (t);
+
+    in->need_push = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+move_buffer_backward (WInput * in, int start, int end)
+{
+    int str_len;
+
+    str_len = str_length (in->buffer->str);
+    if (start >= str_len || end > str_len + 1)
+        return;
+
+    start = str_offset_to_pos (in->buffer->str, start);
+    end = str_offset_to_pos (in->buffer->str, end);
+    g_string_erase (in->buffer, start, end - start);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+beginning_of_line (WInput * in)
+{
+    in->point = 0;
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+end_of_line (WInput * in)
+{
+    in->point = str_length (in->buffer->str);
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+backward_char (WInput * in)
+{
+    if (in->point > 0)
+    {
+        const char *act;
+
+        act = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+        in->point -= str_cprev_noncomb_char (&act, in->buffer->str);
+    }
+
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+forward_char (WInput * in)
+{
+    const char *act;
+
+    act = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+    if (act[0] != '\0')
+        in->point += str_cnext_noncomb_char (&act);
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+forward_word (WInput * in)
+{
+    const char *p;
+
+    p = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+
+    for (; p[0] != '\0' && (str_isspace (p) || str_ispunct (p)); in->point++)
+        str_cnext_char (&p);
+
+    for (; p[0] != '\0' && !str_isspace (p) && !str_ispunct (p); in->point++)
+        str_cnext_char (&p);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+backward_word (WInput * in)
+{
+    const char *p;
+
+    p = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+
+    for (; p != in->buffer->str; in->point--)
+    {
+        const char *p_tmp;
+
+        p_tmp = p;
+        str_cprev_char (&p);
+        if (!str_isspace (p) && !str_ispunct (p))
+        {
+            p = p_tmp;
+            break;
+        }
+    }
+
+    for (; p != in->buffer->str; in->point--)
+    {
+        str_cprev_char (&p);
+        if (str_isspace (p) || str_ispunct (p))
+            break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+backward_delete (WInput * in)
+{
+    const char *act;
+    int start;
+
+    if (in->point == 0)
+        return;
+
+    act = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+    start = in->point - str_cprev_noncomb_char (&act, in->buffer->str);
+    move_buffer_backward (in, start, in->point);
+    in->charpoint = 0;
+    in->need_push = TRUE;
+    in->point = start;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+copy_region (WInput * in, int start, int end)
+{
+    int first = MIN (start, end);
+    int last = MAX (start, end);
+
+    if (last == first)
+    {
+        /* Copy selected files to clipboard */
+        mc_event_raise (MCEVENT_GROUP_FILEMANAGER, "panel_save_current_file_to_clip_file", NULL);
+        /* try use external clipboard utility */
+        mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
+        return;
+    }
+
+    g_free (kill_buffer);
+
+    first = str_offset_to_pos (in->buffer->str, first);
+    last = str_offset_to_pos (in->buffer->str, last);
+
+    kill_buffer = g_strndup (in->buffer->str + first, last - first);
+
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_text_to_file", kill_buffer);
+    /* try use external clipboard utility */
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+delete_region (WInput * in, int start, int end)
+{
+    int first = MIN (start, end);
+    int last = MAX (start, end);
+
+    input_mark_cmd (in, FALSE);
+    in->point = first;
+    move_buffer_backward (in, first, last);
+    in->charpoint = 0;
+    in->need_push = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+insert_char (WInput * in, int c_code)
+{
+    int res;
+    long m1, m2;
+    size_t ins_point;
+
+    if (input_eval_marks (in, &m1, &m2))
+        delete_region (in, m1, m2);
+
+    if (c_code == -1)
+        return MSG_NOT_HANDLED;
+
+    if (in->charpoint >= MB_LEN_MAX)
+        return MSG_HANDLED;
+
+    in->charbuf[in->charpoint] = c_code;
+    in->charpoint++;
+
+    res = str_is_valid_char (in->charbuf, in->charpoint);
+    if (res < 0)
+    {
+        if (res != -2)
+            in->charpoint = 0;  /* broken multibyte char, skip */
+        return MSG_HANDLED;
+    }
+
+    in->need_push = TRUE;
+    ins_point = str_offset_to_pos (in->buffer->str, in->point);
+    g_string_insert_len (in->buffer, ins_point, in->charbuf, in->charpoint);
+    in->point++;
+    in->charpoint = 0;
+
+    return MSG_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+delete_char (WInput * in)
+{
+    const char *act;
+    int end;
+
+    act = in->buffer->str + str_offset_to_pos (in->buffer->str, in->point);
+    end = in->point + str_cnext_noncomb_char (&act);
+    move_buffer_backward (in, in->point, end);
+    in->charpoint = 0;
+    in->need_push = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+kill_word (WInput * in)
+{
+    int old_point = in->point;
+    int new_point;
+
+    forward_word (in);
+    new_point = in->point;
+    in->point = old_point;
+
+    delete_region (in, old_point, new_point);
+    in->need_push = TRUE;
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+back_kill_word (WInput * in)
+{
+    int old_point = in->point;
+    int new_point;
+
+    backward_word (in);
+    new_point = in->point;
+    in->point = old_point;
+
+    delete_region (in, old_point, new_point);
+    in->need_push = TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+yank (WInput * in)
+{
+    if (kill_buffer != NULL)
+    {
+        char *p;
+
+        in->charpoint = 0;
+        for (p = kill_buffer; *p != '\0'; p++)
+            insert_char (in, *p);
+        in->charpoint = 0;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+kill_line (WInput * in)
+{
+    int chp;
+
+    chp = str_offset_to_pos (in->buffer->str, in->point);
+    g_free (kill_buffer);
+    kill_buffer = g_strndup (in->buffer->str + chp, in->buffer->len - chp);
+    g_string_set_size (in->buffer, chp);
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+clear_line (WInput * in)
+{
+    in->need_push = TRUE;
+    g_string_set_size (in->buffer, 0);
+    in->point = 0;
+    in->mark = -1;
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+ins_from_clip (WInput * in)
+{
+    char *p = NULL;
+    ev_clipboard_text_from_file_t event_data = { NULL, FALSE };
+
+    /* try use external clipboard utility */
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_from_ext_clip", NULL);
+
+    event_data.text = &p;
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_text_from_file", &event_data);
+    if (event_data.ret)
+    {
+        char *pp;
+
+        for (pp = p; *pp != '\0'; pp++)
+            insert_char (in, *pp);
+
+        g_free (p);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+hist_prev (WInput * in)
+{
+    GList *prev;
+
+    if (in->history.list == NULL)
+        return;
+
+    if (in->need_push)
+        input_push_history (in);
+
+    prev = g_list_previous (in->history.current);
+    if (prev != NULL)
+    {
+        input_assign_text (in, (char *) prev->data);
+        in->history.current = prev;
+        in->history.changed = TRUE;
+        in->need_push = FALSE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+hist_next (WInput * in)
+{
+    GList *next;
+
+    if (in->need_push)
+    {
+        input_push_history (in);
+        input_assign_text (in, "");
+        return;
+    }
+
+    if (in->history.list == NULL)
+        return;
+
+    next = g_list_next (in->history.current);
+    if (next == NULL)
+    {
+        input_assign_text (in, "");
+        in->history.current = in->history.list;
+    }
+    else
+    {
+        input_assign_text (in, (char *) next->data);
+        in->history.current = next;
+        in->history.changed = TRUE;
+        in->need_push = FALSE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+port_region_marked_for_delete (WInput * in)
+{
+    g_string_set_size (in->buffer, 0);
+    in->point = 0;
+    in->first = FALSE;
+    in->charpoint = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+input_execute_cmd (WInput * in, long command)
+{
+    cb_ret_t res = MSG_HANDLED;
+
+    switch (command)
+    {
+    case CK_MarkLeft:
+    case CK_MarkRight:
+    case CK_MarkToWordBegin:
+    case CK_MarkToWordEnd:
+    case CK_MarkToHome:
+    case CK_MarkToEnd:
+        /* a highlight command like shift-arrow */
+        if (in->mark < 0)
+        {
+            input_mark_cmd (in, FALSE); /* clear */
+            input_mark_cmd (in, TRUE);  /* marking on */
+        }
+        break;
+    case CK_WordRight:
+    case CK_WordLeft:
+    case CK_Right:
+    case CK_Left:
+        if (in->mark >= 0)
+            input_mark_cmd (in, FALSE);
+        break;
+    default:
+        break;
+    }
+
+    switch (command)
+    {
+    case CK_Home:
+    case CK_MarkToHome:
+        beginning_of_line (in);
+        break;
+    case CK_End:
+    case CK_MarkToEnd:
+        end_of_line (in);
+        break;
+    case CK_Left:
+    case CK_MarkLeft:
+        backward_char (in);
+        break;
+    case CK_WordLeft:
+    case CK_MarkToWordBegin:
+        backward_word (in);
+        break;
+    case CK_Right:
+    case CK_MarkRight:
+        forward_char (in);
+        break;
+    case CK_WordRight:
+    case CK_MarkToWordEnd:
+        forward_word (in);
+        break;
+    case CK_BackSpace:
+        {
+            long m1, m2;
+
+            if (input_eval_marks (in, &m1, &m2))
+                delete_region (in, m1, m2);
+            else
+                backward_delete (in);
+        }
+        break;
+    case CK_Delete:
+        if (in->first)
+            port_region_marked_for_delete (in);
+        else
+        {
+            long m1, m2;
+
+            if (input_eval_marks (in, &m1, &m2))
+                delete_region (in, m1, m2);
+            else
+                delete_char (in);
+        }
+        break;
+    case CK_DeleteToWordEnd:
+        kill_word (in);
+        break;
+    case CK_DeleteToWordBegin:
+        back_kill_word (in);
+        break;
+    case CK_Mark:
+        input_mark_cmd (in, TRUE);
+        break;
+    case CK_Remove:
+        delete_region (in, in->point, MAX (in->mark, 0));
+        break;
+    case CK_DeleteToEnd:
+        kill_line (in);
+        break;
+    case CK_Clear:
+        clear_line (in);
+        break;
+    case CK_Store:
+        copy_region (in, MAX (in->mark, 0), in->point);
+        break;
+    case CK_Cut:
+        {
+            long m;
+
+            m = MAX (in->mark, 0);
+            copy_region (in, m, in->point);
+            delete_region (in, in->point, m);
+        }
+        break;
+    case CK_Yank:
+        yank (in);
+        break;
+    case CK_Paste:
+        ins_from_clip (in);
+        break;
+    case CK_HistoryPrev:
+        hist_prev (in);
+        break;
+    case CK_HistoryNext:
+        hist_next (in);
+        break;
+    case CK_History:
+        do_show_hist (in);
+        break;
+    case CK_Complete:
+        input_complete (in);
+        break;
+    default:
+        res = MSG_NOT_HANDLED;
+    }
+
+    switch (command)
+    {
+    case CK_MarkLeft:
+    case CK_MarkRight:
+    case CK_MarkToWordBegin:
+    case CK_MarkToWordEnd:
+    case CK_MarkToHome:
+    case CK_MarkToEnd:
+        /* do nothing */
+        break;
+    default:
+        in->mark = -1;
+        break;
+    }
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* "history_load" event handler */
+static gboolean
+input_load_history (const gchar * event_group_name, const gchar * event_name,
+                    gpointer init_data, gpointer data)
+{
+    WInput *in = INPUT (init_data);
+    ev_history_load_save_t *ev = (ev_history_load_save_t *) data;
+
+    (void) event_group_name;
+    (void) event_name;
+
+    in->history.list = mc_config_history_load (ev->cfg, in->history.name);
+    in->history.current = in->history.list;
+
+    if (in->init_from_history)
+    {
+        const char *def_text = "";
+
+        if (in->history.list != NULL && in->history.list->data != NULL)
+            def_text = (const char *) in->history.list->data;
+
+        input_assign_text (in, def_text);
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* "history_save" event handler */
+static gboolean
+input_save_history (const gchar * event_group_name, const gchar * event_name,
+                    gpointer init_data, gpointer data)
+{
+    WInput *in = INPUT (init_data);
+
+    (void) event_group_name;
+    (void) event_name;
+
+    if (!in->is_password && (DIALOG (WIDGET (in)->owner)->ret_value != B_CANCEL))
+    {
+        ev_history_load_save_t *ev = (ev_history_load_save_t *) data;
+
+        input_push_history (in);
+        if (in->history.changed)
+            mc_config_history_save (ev->cfg, in->history.name, in->history.list);
+        in->history.changed = FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+input_destroy (WInput * in)
+{
+    input_complete_free (in);
+
+    /* clean history */
+    if (in->history.list != NULL)
+    {
+        /* history is already saved before this moment */
+        in->history.list = g_list_first (in->history.list);
+        g_list_free_full (in->history.list, g_free);
+    }
+    g_free (in->history.name);
+    g_string_free (in->buffer, TRUE);
+    MC_PTR_FREE (kill_buffer);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Calculates the buffer index (aka "point") corresponding to some screen coordinate.
+ */
+static int
+input_screen_to_point (const WInput * in, int x)
+{
+    x += in->term_first_shown;
+
+    if (x < 0)
+        return 0;
+
+    if (x < str_term_width1 (in->buffer->str))
+        return str_column_to_pos (in->buffer->str, x);
+
+    return str_length (in->buffer->str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+input_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    /* save point between MSG_MOUSE_DOWN and MSG_MOUSE_DRAG */
+    static int prev_point = 0;
+    WInput *in = INPUT (w);
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        widget_select (w);
+
+        if (event->x >= w->rect.cols - HISTORY_BUTTON_WIDTH && should_show_history_button (in))
+            do_show_hist (in);
+        else
+        {
+            in->first = FALSE;
+            input_mark_cmd (in, FALSE);
+            input_set_point (in, input_screen_to_point (in, event->x));
+            /* save point for the possible following MSG_MOUSE_DRAG action */
+            prev_point = in->point;
+        }
+        break;
+
+    case MSG_MOUSE_DRAG:
+        /* start point: set marker using point before first MSG_MOUSE_DRAG action */
+        if (in->mark < 0)
+            in->mark = prev_point;
+
+        input_set_point (in, input_screen_to_point (in, event->x));
+        break;
+
+    default:
+        /* don't create highlight region of 0 length */
+        if (in->mark == in->point)
+            input_mark_cmd (in, FALSE);
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** Create new instance of WInput object.
+  * @param y                    Y coordinate
+  * @param x                    X coordinate
+  * @param input_colors         Array of used colors
+  * @param width                Widget width
+  * @param def_text             Default text filled in widget
+  * @param histname             Name of history
+  * @param completion_flags     Flags for specify type of completions
+  * @return                     WInput object
+  */
+WInput *
+input_new (int y, int x, const int *colors, int width, const char *def_text,
+           const char *histname, input_complete_t completion_flags)
+{
+    WRect r = { y, x, 1, width };
+    WInput *in;
+    Widget *w;
+
+    in = g_new (WInput, 1);
+    w = WIDGET (in);
+    widget_init (w, &r, input_callback, input_mouse_callback);
+    w->options |= WOP_SELECTABLE | WOP_IS_INPUT | WOP_WANT_CURSOR;
+    w->keymap = input_map;
+
+    in->color = colors;
+    in->first = TRUE;
+    in->mark = -1;
+    in->term_first_shown = 0;
+    in->disable_update = 0;
+    in->is_password = FALSE;
+    in->strip_password = FALSE;
+
+    /* in->buffer will be corrected in "history_load" event handler */
+    in->buffer = g_string_sized_new (width);
+
+    /* init completions before input_assign_text() call */
+    in->completions = NULL;
+    in->completion_flags = completion_flags;
+
+    in->init_from_history = (def_text == INPUT_LAST_TEXT);
+
+    if (in->init_from_history || def_text == NULL)
+        def_text = "";
+
+    input_assign_text (in, def_text);
+
+    /* prepare to history setup */
+    in->history.list = NULL;
+    in->history.current = NULL;
+    in->history.changed = FALSE;
+    in->history.name = NULL;
+    if ((histname != NULL) && (*histname != '\0'))
+        in->history.name = g_strdup (histname);
+    /* history will be loaded later */
+
+    in->label = NULL;
+
+    return in;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+input_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WInput *in = INPUT (w);
+    WDialog *h = DIALOG (w->owner);
+    cb_ret_t v;
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        /* subscribe to "history_load" event */
+        mc_event_add (h->event_group, MCEVENT_HISTORY_LOAD, input_load_history, w, NULL);
+        /* subscribe to "history_save" event */
+        mc_event_add (h->event_group, MCEVENT_HISTORY_SAVE, input_save_history, w, NULL);
+        if (in->label != NULL)
+            widget_set_state (WIDGET (in->label), WST_DISABLED, widget_get_state (w, WST_DISABLED));
+        return MSG_HANDLED;
+
+    case MSG_KEY:
+        if (parm == XCTRL ('q'))
+        {
+            quote = TRUE;
+            v = input_handle_char (in, ascii_alpha_to_cntrl (tty_getch ()));
+            quote = FALSE;
+            return v;
+        }
+
+        /* Keys we want others to handle */
+        if (parm == KEY_UP || parm == KEY_DOWN || parm == ESC_CHAR
+            || parm == KEY_F (10) || parm == '\n')
+            return MSG_NOT_HANDLED;
+
+        /* When pasting multiline text, insert literal Enter */
+        if ((parm & ~KEY_M_MASK) == '\n')
+        {
+            quote = TRUE;
+            v = input_handle_char (in, '\n');
+            quote = FALSE;
+            return v;
+        }
+
+        return input_handle_char (in, parm);
+
+    case MSG_ACTION:
+        return input_execute_cmd (in, parm);
+
+    case MSG_DRAW:
+        input_update (in, FALSE);
+        return MSG_HANDLED;
+
+    case MSG_ENABLE:
+    case MSG_DISABLE:
+        if (in->label != NULL)
+            widget_set_state (WIDGET (in->label), WST_DISABLED, msg == MSG_DISABLE);
+        return MSG_HANDLED;
+
+    case MSG_CURSOR:
+        widget_gotoyx (in, 0, str_term_width2 (in->buffer->str, in->point) - in->term_first_shown);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        /* unsubscribe from "history_load" event */
+        mc_event_del (h->event_group, MCEVENT_HISTORY_LOAD, input_load_history, w);
+        /* unsubscribe from "history_save" event */
+        mc_event_del (h->event_group, MCEVENT_HISTORY_SAVE, input_save_history, w);
+        input_destroy (in);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_set_default_colors (void)
+{
+    input_colors[WINPUTC_MAIN] = INPUT_COLOR;
+    input_colors[WINPUTC_MARK] = INPUT_MARK_COLOR;
+    input_colors[WINPUTC_UNCHANGED] = INPUT_UNCHANGED_COLOR;
+    input_colors[WINPUTC_HISTORY] = INPUT_HISTORY_COLOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+input_handle_char (WInput * in, int key)
+{
+    cb_ret_t v;
+    long command;
+
+    if (quote)
+    {
+        input_complete_free (in);
+        v = insert_char (in, key);
+        input_update (in, TRUE);
+        quote = FALSE;
+        return v;
+    }
+
+    command = widget_lookup_key (WIDGET (in), key);
+    if (command == CK_IgnoreKey)
+    {
+        if (key > 255)
+            return MSG_NOT_HANDLED;
+        if (in->first)
+            port_region_marked_for_delete (in);
+        input_complete_free (in);
+        v = insert_char (in, key);
+        input_update (in, TRUE);
+    }
+    else
+    {
+        gboolean keep_first;
+
+        if (command != CK_Complete)
+            input_complete_free (in);
+        input_execute_cmd (in, command);
+        v = MSG_HANDLED;
+        /* if in->first == TRUE and history or completion window was cancelled,
+           keep "first" state */
+        keep_first = in->first && (command == CK_History || command == CK_Complete);
+        input_update (in, !keep_first);
+    }
+
+    return v;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_assign_text (WInput * in, const char *text)
+{
+    if (text == NULL)
+        text = "";
+
+    input_complete_free (in);
+    in->mark = -1;
+    in->need_push = TRUE;
+    in->charpoint = 0;
+    g_string_assign (in->buffer, text);
+    in->point = str_length (in->buffer->str);
+    input_update (in, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Inserts text in input line */
+void
+input_insert (WInput * in, const char *text, gboolean insert_extra_space)
+{
+    input_disable_update (in);
+    while (*text != '\0')
+        input_handle_char (in, (unsigned char) *text++);        /* unsigned extension char->int */
+    if (insert_extra_space)
+        input_handle_char (in, ' ');
+    input_enable_update (in);
+    input_update (in, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_set_point (WInput * in, int pos)
+{
+    int max_pos;
+
+    max_pos = str_length (in->buffer->str);
+    pos = MIN (pos, max_pos);
+    if (pos != in->point)
+        input_complete_free (in);
+    in->point = pos;
+    in->charpoint = 0;
+    input_update (in, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_update (WInput * in, gboolean clear_first)
+{
+    Widget *wi = WIDGET (in);
+    const WRect *w = &wi->rect;
+    int has_history = 0;
+    int buf_len;
+    const char *cp;
+    int pw;
+
+    if (in->disable_update != 0)
+        return;
+
+    /* don't draw widget not put into dialog */
+    if (wi->owner == NULL || !widget_get_state (WIDGET (wi->owner), WST_ACTIVE))
+        return;
+
+    if (clear_first)
+        in->first = FALSE;
+
+    if (should_show_history_button (in))
+        has_history = HISTORY_BUTTON_WIDTH;
+
+    buf_len = str_length (in->buffer->str);
+
+    /* Adjust the mark */
+    in->mark = MIN (in->mark, buf_len);
+
+    pw = str_term_width2 (in->buffer->str, in->point);
+
+    /* Make the point visible */
+    if ((pw < in->term_first_shown) || (pw >= in->term_first_shown + w->cols - has_history))
+    {
+        in->term_first_shown = pw - (w->cols / 3);
+        if (in->term_first_shown < 0)
+            in->term_first_shown = 0;
+    }
+
+    if (has_history != 0)
+        draw_history_button (in);
+
+    if (widget_get_state (wi, WST_DISABLED))
+        tty_setcolor (DISABLED_COLOR);
+    else if (in->first)
+        tty_setcolor (in->color[WINPUTC_UNCHANGED]);
+    else
+        tty_setcolor (in->color[WINPUTC_MAIN]);
+
+    widget_gotoyx (in, 0, 0);
+
+    if (!in->is_password)
+    {
+        if (in->mark < 0)
+            tty_print_string (str_term_substring (in->buffer->str, in->term_first_shown,
+                                                  w->cols - has_history));
+        else
+        {
+            long m1, m2;
+
+            if (input_eval_marks (in, &m1, &m2))
+            {
+                tty_setcolor (in->color[WINPUTC_MAIN]);
+                cp = str_term_substring (in->buffer->str, in->term_first_shown,
+                                         w->cols - has_history);
+                tty_print_string (cp);
+                tty_setcolor (in->color[WINPUTC_MARK]);
+                if (m1 < in->term_first_shown)
+                {
+                    widget_gotoyx (in, 0, 0);
+                    m1 = in->term_first_shown;
+                    m2 -= m1;
+                }
+                else
+                {
+                    int buf_width;
+
+                    widget_gotoyx (in, 0, m1 - in->term_first_shown);
+                    buf_width = str_term_width2 (in->buffer->str, m1);
+                    m2 = MIN (m2 - m1,
+                              (w->cols - has_history) - (buf_width - in->term_first_shown));
+                }
+
+                tty_print_string (str_term_substring (in->buffer->str, m1, m2));
+            }
+        }
+    }
+    else
+    {
+        int i;
+
+        cp = str_term_substring (in->buffer->str, in->term_first_shown, w->cols - has_history);
+        tty_setcolor (in->color[WINPUTC_MAIN]);
+        for (i = 0; i < w->cols - has_history; i++)
+        {
+            if (i < (buf_len - in->term_first_shown) && cp[0] != '\0')
+                tty_print_char ('*');
+            else
+                tty_print_char (' ');
+            if (cp[0] != '\0')
+                str_cnext_char (&cp);
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_enable_update (WInput * in)
+{
+    in->disable_update--;
+    input_update (in, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_disable_update (WInput * in)
+{
+    in->disable_update++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  *  Cleans the input line and adds the current text to the history
+  *
+  *  @param in the input line
+  */
+void
+input_clean (WInput * in)
+{
+    input_push_history (in);
+    in->need_push = TRUE;
+    g_string_set_size (in->buffer, 0);
+    in->point = 0;
+    in->charpoint = 0;
+    in->mark = -1;
+    input_complete_free (in);
+    input_update (in, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/input.h b/lib/widget/input.h
new file mode 100644
index 0000000..5dc433e
--- /dev/null
+++ b/lib/widget/input.h
@@ -0,0 +1,155 @@
+
+/** \file input.h
+ *  \brief Header: WInput widget
+ */
+
+#ifndef MC__WIDGET_INPUT_H
+#define MC__WIDGET_INPUT_H
+
+#include <limits.h>             /* MB_LEN_MAX */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define INPUT(x) ((WInput *)(x))
+
+/* For history load-save functions */
+#define INPUT_LAST_TEXT ((char *) 2)
+
+/*** enums ***************************************************************************************/
+
+typedef enum
+{
+    WINPUTC_MAIN,               /* color used */
+    WINPUTC_MARK,               /* color for marked text */
+    WINPUTC_UNCHANGED,          /* color for inactive text (Is first keystroke) */
+    WINPUTC_HISTORY,            /* color for history list */
+    WINPUTC_COUNT_COLORS        /* count of used colors */
+} input_colors_enum_t;
+
+/* completion flags */
+typedef enum
+{
+    INPUT_COMPLETE_NONE = 0,
+    INPUT_COMPLETE_FILENAMES = 1 << 0,
+    INPUT_COMPLETE_HOSTNAMES = 1 << 1,
+    INPUT_COMPLETE_COMMANDS = 1 << 2,
+    INPUT_COMPLETE_VARIABLES = 1 << 3,
+    INPUT_COMPLETE_USERNAMES = 1 << 4,
+    INPUT_COMPLETE_CD = 1 << 5,
+    INPUT_COMPLETE_SHELL_ESC = 1 << 6,
+} input_complete_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef int input_colors_t[WINPUTC_COUNT_COLORS];
+
+typedef struct
+{
+    Widget widget;
+
+    GString *buffer;
+    const int *color;
+    int point;                  /* cursor position in the input line in characters */
+    int mark;                   /* the mark position in characters; negative value means no marked text */
+    int term_first_shown;       /* column of the first shown character */
+    gboolean first;             /* is first keystroke? */
+    int disable_update;         /* do we want to skip updates? */
+    gboolean is_password;       /* is this a password input line? */
+    gboolean init_from_history; /* init text will be get from history */
+    gboolean need_push;         /* need to push the current Input on hist? */
+    gboolean strip_password;    /* need to strip password before placing string to history */
+    char **completions;         /* possible completions array */
+    input_complete_t completion_flags;
+    char charbuf[MB_LEN_MAX];   /* buffer for multibytes characters */
+    size_t charpoint;           /* point to end of mulibyte sequence in charbuf */
+    WLabel *label;              /* label associated with this input line */
+    struct input_history_t
+    {
+        char *name;             /* name of history for loading and saving */
+        GList *list;            /* the history */
+        GList *current;         /* current history item */
+        gboolean changed;       /* the history has changed */
+    } history;
+} WInput;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int quote;
+
+extern const global_keymap_t *input_map;
+
+/* Color styles for normal and command line input widgets */
+extern input_colors_t input_colors;
+
+/*** declarations of public functions ************************************************************/
+
+WInput *input_new (int y, int x, const int *colors,
+                   int len, const char *text, const char *histname,
+                   input_complete_t completion_flags);
+/* callback is public; needed for command line */
+cb_ret_t input_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data);
+void input_set_default_colors (void);
+cb_ret_t input_handle_char (WInput * in, int key);
+void input_assign_text (WInput * in, const char *text);
+void input_insert (WInput * in, const char *text, gboolean insert_extra_space);
+void input_set_point (WInput * in, int pos);
+void input_update (WInput * in, gboolean clear_first);
+void input_enable_update (WInput * in);
+void input_disable_update (WInput * in);
+void input_clean (WInput * in);
+
+/* input_complete.c */
+void input_complete (WInput * in);
+void input_complete_free (WInput * in);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get text of input line.
+ *
+ * @param in input line
+ *
+ * @return newly allocated string that contains a copy of @in's text.
+ */
+static inline char *
+input_get_text (const WInput * in)
+{
+    return g_strndup (in->buffer->str, in->buffer->len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get pointer to input line buffer.
+ *
+ * @param in input line
+ *
+ * @return pointer to @in->buffer->str.
+ */
+static inline const char *
+input_get_ctext (const WInput * in)
+{
+    return in->buffer->str;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Is input line empty or not.
+ *
+ * @param in input line
+ *
+ * @return TRUE if buffer of @in is empty, FALSE othewise.
+ */
+static inline gboolean
+input_is_empty (const WInput * in)
+{
+    return (in->buffer->len == 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+
+#endif /* MC__WIDGET_INPUT_H */
diff --git a/lib/widget/input_complete.c b/lib/widget/input_complete.c
new file mode 100644
index 0000000..c7fa555
--- /dev/null
+++ b/lib/widget/input_complete.c
@@ -0,0 +1,1482 @@
+/*
+   Input line filename/username/hostname/variable/command completion.
+   (Let mc type for you...)
+
+   Copyright (C) 1995-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Jakub Jelinek, 1995
+   Slava Zanko <slavazanko@gmail.com>, 2013
+   Andrew Borodin <aborodin@vmail.ru>, 2013-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file lib/widget/input_complete.c
+ *  \brief Source: Input line filename/username/hostname/variable/command completion
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <limits.h>             /* MB_LEN_MAX */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <unistd.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/key.h"        /* XCTRL and ALT macros */
+#include "lib/vfs/vfs.h"
+#include "lib/strescape.h"
+#include "lib/strutil.h"
+#include "lib/util.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/* Linux declares environ in <unistd.h>, so don't repeat it here. */
+#if (!(defined(__linux__) && defined (__USE_GNU)) && !defined(__CYGWIN__))
+extern char **environ;
+#endif
+
+/*** file scope macro definitions ****************************************************************/
+
+/* #define DO_COMPLETION_DEBUG */
+#ifdef DO_COMPLETION_DEBUG
+#define SHOW_C_CTX(func) fprintf(stderr, "%s: text='%s' flags=%s\n", func, text, show_c_flags(flags))
+#else
+#define SHOW_C_CTX(func)
+#endif /* DO_CMPLETION_DEBUG */
+
+#define DO_INSERTION 1
+#define DO_QUERY     2
+
+/*** file scope type declarations ****************************************************************/
+
+typedef char *CompletionFunction (const char *text, int state, input_complete_t flags);
+
+typedef struct
+{
+    size_t in_command_position;
+    char *word;
+    char *p;
+    char *q;
+    char *r;
+    gboolean is_cd;
+    input_complete_t flags;
+} try_complete_automation_state_t;
+
+/*** file scope variables ************************************************************************/
+
+static char **hosts = NULL;
+static char **hosts_p = NULL;
+static int hosts_alloclen = 0;
+
+static int complete_height, complete_width;
+static WInput *input;
+static int min_end;
+static int start = 0;
+static int end = 0;
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+char **try_complete (char *text, int *lc_start, int *lc_end, input_complete_t flags);
+void complete_engine_fill_completions (WInput * in);
+
+#ifdef DO_COMPLETION_DEBUG
+/**
+ * Useful to print/debug completion flags
+ */
+static const char *
+show_c_flags (input_complete_t flags)
+{
+    static char s_cf[] = "FHCVUDS";
+
+    s_cf[0] = (flags & INPUT_COMPLETE_FILENAMES) != 0 ? 'F' : ' ';
+    s_cf[1] = (flags & INPUT_COMPLETE_HOSTNAMES) != 0 ? 'H' : ' ';
+    s_cf[2] = (flags & INPUT_COMPLETE_COMMANDS) != 0 ? 'C' : ' ';
+    s_cf[3] = (flags & INPUT_COMPLETE_VARIABLES) != 0 ? 'V' : ' ';
+    s_cf[4] = (flags & INPUT_COMPLETE_USERNAMES) != 0 ? 'U' : ' ';
+    s_cf[5] = (flags & INPUT_COMPLETE_CD) != 0 ? 'D' : ' ';
+    s_cf[6] = (flags & INPUT_COMPLETE_SHELL_ESC) != 0 ? 'S' : ' ';
+
+    return s_cf;
+}
+#endif /* DO_CMPLETION_DEBUG */
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+filename_completion_function (const char *text, int state, input_complete_t flags)
+{
+    static DIR *directory = NULL;
+    static char *filename = NULL;
+    static char *dirname = NULL;
+    static char *users_dirname = NULL;
+    static size_t filename_len = 0;
+    static vfs_path_t *dirname_vpath = NULL;
+
+    gboolean isdir = TRUE, isexec = FALSE;
+    struct vfs_dirent *entry = NULL;
+
+    SHOW_C_CTX ("filename_completion_function");
+
+    if (text != NULL && (flags & INPUT_COMPLETE_SHELL_ESC) != 0)
+    {
+        char *u_text;
+        char *result;
+        char *e_result;
+
+        u_text = strutils_shell_unescape (text);
+
+        result = filename_completion_function (u_text, state, flags & (~INPUT_COMPLETE_SHELL_ESC));
+        g_free (u_text);
+
+        e_result = strutils_shell_escape (result);
+        g_free (result);
+
+        return e_result;
+    }
+
+    /* If we're starting the match process, initialize us a bit. */
+    if (state == 0)
+    {
+        const char *temp;
+
+        g_free (dirname);
+        g_free (filename);
+        g_free (users_dirname);
+        vfs_path_free (dirname_vpath, TRUE);
+
+        if ((*text != '\0') && (temp = strrchr (text, PATH_SEP)) != NULL)
+        {
+            filename = g_strdup (++temp);
+            dirname = g_strndup (text, temp - text);
+        }
+        else
+        {
+            dirname = g_strdup (".");
+            filename = g_strdup (text);
+        }
+
+        /* We aren't done yet.  We also support the "~user" syntax. */
+
+        /* Save the version of the directory that the user typed. */
+        users_dirname = dirname;
+        dirname = tilde_expand (dirname);
+        canonicalize_pathname (dirname);
+        dirname_vpath = vfs_path_from_str (dirname);
+
+        /* Here we should do something with variable expansion
+           and `command`.
+           Maybe a dream - UNIMPLEMENTED yet. */
+
+        directory = mc_opendir (dirname_vpath);
+        filename_len = strlen (filename);
+    }
+
+    /* Now that we have some state, we can read the directory. */
+
+    while (directory != NULL && (entry = mc_readdir (directory)) != NULL)
+    {
+        if (!str_is_valid_string (entry->d_name))
+            continue;
+
+        /* Special case for no filename.
+           All entries except "." and ".." match. */
+        if (filename_len == 0)
+        {
+            if (DIR_IS_DOT (entry->d_name) || DIR_IS_DOTDOT (entry->d_name))
+                continue;
+        }
+        else
+        {
+            /* Otherwise, if these match up to the length of filename, then
+               it may be a match. */
+            if ((entry->d_name[0] != filename[0]) ||
+                ((NLENGTH (entry)) < filename_len) ||
+                strncmp (filename, entry->d_name, filename_len) != 0)
+                continue;
+        }
+
+        isdir = TRUE;
+        isexec = FALSE;
+
+        {
+            struct stat tempstat;
+            vfs_path_t *tmp_vpath;
+
+            tmp_vpath = vfs_path_build_filename (dirname, entry->d_name, (char *) NULL);
+
+            /* Unix version */
+            if (mc_stat (tmp_vpath, &tempstat) == 0)
+            {
+                uid_t my_uid;
+                gid_t my_gid;
+
+                my_uid = getuid ();
+                my_gid = getgid ();
+
+                if (!S_ISDIR (tempstat.st_mode))
+                {
+                    isdir = FALSE;
+
+                    if ((my_uid == 0 && (tempstat.st_mode & 0111) != 0) ||
+                        (my_uid == tempstat.st_uid && (tempstat.st_mode & 0100) != 0) ||
+                        (my_gid == tempstat.st_gid && (tempstat.st_mode & 0010) != 0) ||
+                        (tempstat.st_mode & 0001) != 0)
+                        isexec = TRUE;
+                }
+            }
+            else
+            {
+                /* stat failed, strange. not a dir in any case */
+                isdir = FALSE;
+            }
+            vfs_path_free (tmp_vpath, TRUE);
+        }
+
+        if ((flags & INPUT_COMPLETE_COMMANDS) != 0 && (isexec || isdir))
+            break;
+        if ((flags & INPUT_COMPLETE_CD) != 0 && isdir)
+            break;
+        if ((flags & INPUT_COMPLETE_FILENAMES) != 0)
+            break;
+    }
+
+    if (entry == NULL)
+    {
+        if (directory != NULL)
+        {
+            mc_closedir (directory);
+            directory = NULL;
+        }
+        MC_PTR_FREE (dirname);
+        vfs_path_free (dirname_vpath, TRUE);
+        dirname_vpath = NULL;
+        MC_PTR_FREE (filename);
+        MC_PTR_FREE (users_dirname);
+        return NULL;
+    }
+
+    {
+        GString *temp;
+
+        temp = g_string_sized_new (16);
+
+        if (users_dirname != NULL && (users_dirname[0] != '.' || users_dirname[1] != '\0'))
+        {
+            g_string_append (temp, users_dirname);
+
+            /* We need a '/' at the end. */
+            if (!IS_PATH_SEP (temp->str[temp->len - 1]))
+                g_string_append_c (temp, PATH_SEP);
+        }
+        g_string_append (temp, entry->d_name);
+        if (isdir)
+            g_string_append_c (temp, PATH_SEP);
+
+        return g_string_free (temp, FALSE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** We assume here that text[0] == '~' , if you want to call it in another way,
+   you have to change the code */
+
+static char *
+username_completion_function (const char *text, int state, input_complete_t flags)
+{
+    static struct passwd *entry = NULL;
+    static size_t userlen = 0;
+
+    (void) flags;
+    SHOW_C_CTX ("username_completion_function");
+
+    if (text[0] == '\\' && text[1] == '~')
+        text++;
+    if (state == 0)
+    {                           /* Initialization stuff */
+        setpwent ();
+        userlen = strlen (text + 1);
+    }
+
+    while ((entry = getpwent ()) != NULL)
+    {
+        /* Null usernames should result in all users as possible completions. */
+        if (userlen == 0)
+            break;
+        if (text[1] == entry->pw_name[0] && strncmp (text + 1, entry->pw_name, userlen) == 0)
+            break;
+    }
+
+    if (entry != NULL)
+        return g_strconcat ("~", entry->pw_name, PATH_SEP_STR, (char *) NULL);
+
+    endpwent ();
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** We assume text [0] == '$' and want to have a look at text [1], if it is
+   equal to '{', so that we should append '}' at the end */
+
+static char *
+variable_completion_function (const char *text, int state, input_complete_t flags)
+{
+    static char **env_p = NULL;
+    static gboolean isbrace = FALSE;
+    static size_t varlen = 0;
+    const char *p = NULL;
+
+    (void) flags;
+    SHOW_C_CTX ("variable_completion_function");
+
+    if (state == 0)
+    {                           /* Initialization stuff */
+        isbrace = (text[1] == '{');
+        varlen = strlen (text + 1 + isbrace);
+        env_p = environ;
+    }
+
+    while (*env_p != NULL)
+    {
+        p = strchr (*env_p, '=');
+        if (p != NULL && ((size_t) (p - *env_p) >= varlen)
+            && strncmp (text + 1 + isbrace, *env_p, varlen) == 0)
+            break;
+        env_p++;
+    }
+
+    if (*env_p == NULL)
+        return NULL;
+
+    {
+        GString *temp;
+
+        temp = g_string_new_len (*env_p, p - *env_p);
+
+        if (isbrace)
+        {
+            g_string_prepend_c (temp, '{');
+            g_string_append_c (temp, '}');
+        }
+        g_string_prepend_c (temp, '$');
+
+        env_p++;
+
+        return g_string_free (temp, FALSE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+fetch_hosts (const char *filename)
+{
+    FILE *file;
+    char buffer[256];
+    char *name;
+    char *lc_start;
+    char *bi;
+
+    file = fopen (filename, "r");
+    if (file == NULL)
+        return;
+
+    while (fgets (buffer, sizeof (buffer) - 1, file) != NULL)
+    {
+        /* Skip to first character. */
+        for (bi = buffer; bi[0] != '\0' && str_isspace (bi); str_next_char (&bi))
+            ;
+
+        /* Ignore comments... */
+        if (bi[0] == '#')
+            continue;
+
+        /* Handle $include. */
+        if (strncmp (bi, "$include ", 9) == 0)
+        {
+            char *includefile, *t;
+
+            /* Find start of filename. */
+            includefile = bi + 9;
+            while (*includefile != '\0' && whitespace (*includefile))
+                includefile++;
+            t = includefile;
+
+            /* Find end of filename. */
+            while (t[0] != '\0' && !str_isspace (t))
+                str_next_char (&t);
+            *t = '\0';
+
+            fetch_hosts (includefile);
+            continue;
+        }
+
+        /* Skip IP #s. */
+        while (bi[0] != '\0' && !str_isspace (bi))
+            str_next_char (&bi);
+
+        /* Get the host names separated by white space. */
+        while (bi[0] != '\0' && bi[0] != '#')
+        {
+            while (bi[0] != '\0' && str_isspace (bi))
+                str_next_char (&bi);
+            if (bi[0] == '#')
+                continue;
+            for (lc_start = bi; bi[0] != '\0' && !str_isspace (bi); str_next_char (&bi))
+                ;
+
+            if (bi == lc_start)
+                continue;
+
+            name = g_strndup (lc_start, bi - lc_start);
+
+            {
+                char **host_p;
+                int j;
+
+                j = hosts_p - hosts;
+
+                if (j >= hosts_alloclen)
+                {
+                    hosts_alloclen += 30;
+                    hosts = g_renew (char *, hosts, hosts_alloclen + 1);
+                    hosts_p = hosts + j;
+                }
+
+                for (host_p = hosts; host_p < hosts_p; host_p++)
+                    if (strcmp (name, *host_p) == 0)
+                        break;  /* We do not want any duplicates */
+
+                if (host_p == hosts_p)
+                {
+                    *(hosts_p++) = name;
+                    *hosts_p = NULL;
+                }
+                else
+                    g_free (name);
+            }
+        }
+    }
+
+    fclose (file);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+hostname_completion_function (const char *text, int state, input_complete_t flags)
+{
+    static char **host_p = NULL;
+    static size_t textstart = 0;
+    static size_t textlen = 0;
+
+    (void) flags;
+    SHOW_C_CTX ("hostname_completion_function");
+
+    if (state == 0)
+    {                           /* Initialization stuff */
+        const char *p;
+
+        g_strfreev (hosts);
+        hosts_alloclen = 30;
+        hosts = g_new (char *, hosts_alloclen + 1);
+        *hosts = NULL;
+        hosts_p = hosts;
+        p = getenv ("HOSTFILE");
+        fetch_hosts (p != NULL ? p : "/etc/hosts");
+        host_p = hosts;
+        textstart = (*text == '@') ? 1 : 0;
+        textlen = strlen (text + textstart);
+    }
+
+    for (; *host_p != NULL; host_p++)
+    {
+        if (textlen == 0)
+            break;              /* Match all of them */
+        if (strncmp (text + textstart, *host_p, textlen) == 0)
+            break;
+    }
+
+    if (*host_p == NULL)
+    {
+        g_strfreev (hosts);
+        hosts = NULL;
+        return NULL;
+    }
+
+    {
+        GString *temp;
+
+        temp = g_string_sized_new (8);
+
+        if (textstart != 0)
+            g_string_append_c (temp, '@');
+        g_string_append (temp, *host_p);
+        host_p++;
+
+        return g_string_free (temp, FALSE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * This is the function to call when the word to complete is in a position
+ * where a command word can be found. It looks around $PATH, looking for
+ * commands that match. It also scans aliases, function names, and the
+ * table of shell built-ins.
+ */
+
+static char *
+command_completion_function (const char *text, int state, input_complete_t flags)
+{
+    static const char *path_end = NULL;
+    static gboolean isabsolute = FALSE;
+    static int phase = 0;
+    static size_t text_len = 0;
+    static const char *const *words = NULL;
+    static char *path = NULL;
+    static char *cur_path = NULL;
+    static char *cur_word = NULL;
+    static int init_state = 0;
+    static const char *const bash_reserved[] = {
+        "if", "then", "else", "elif", "fi", "case", "esac", "for",
+        "select", "while", "until", "do", "done", "in", "function", 0
+    };
+    static const char *const bash_builtins[] = {
+        "alias", "bg", "bind", "break", "builtin", "cd", "command",
+        "continue", "declare", "dirs", "echo", "enable", "eval",
+        "exec", "exit", "export", "fc", "fg", "getopts", "hash",
+        "help", "history", "jobs", "kill", "let", "local", "logout",
+        "popd", "pushd", "pwd", "read", "readonly", "return", "set",
+        "shift", "source", "suspend", "test", "times", "trap", "type",
+        "typeset", "ulimit", "umask", "unalias", "unset", "wait", 0
+    };
+
+    char *u_text;
+    char *p, *found;
+
+    SHOW_C_CTX ("command_completion_function");
+
+    if ((flags & INPUT_COMPLETE_COMMANDS) == 0)
+        return NULL;
+
+    u_text = strutils_shell_unescape (text);
+    flags &= ~INPUT_COMPLETE_SHELL_ESC;
+
+    if (state == 0)
+    {                           /* Initialize us a little bit */
+        isabsolute = strchr (u_text, PATH_SEP) != NULL;
+        if (!isabsolute)
+        {
+            words = bash_reserved;
+            phase = 0;
+            text_len = strlen (u_text);
+
+            if (path == NULL)
+            {
+                path = g_strdup (getenv ("PATH"));
+                if (path != NULL)
+                {
+                    p = path;
+                    path_end = strchr (p, '\0');
+                    while ((p = strchr (p, PATH_ENV_SEP)) != NULL)
+                        *p++ = '\0';
+                }
+            }
+        }
+    }
+
+    if (isabsolute)
+    {
+        p = filename_completion_function (u_text, state, flags);
+
+        if (p != NULL)
+        {
+            char *temp_p = p;
+
+            p = strutils_shell_escape (p);
+            g_free (temp_p);
+        }
+
+        g_free (u_text);
+        return p;
+    }
+
+    found = NULL;
+    switch (phase)
+    {
+    case 0:                    /* Reserved words */
+        for (; *words != NULL; words++)
+            if (strncmp (*words, u_text, text_len) == 0)
+            {
+                g_free (u_text);
+                return g_strdup (*(words++));
+            }
+        phase++;
+        words = bash_builtins;
+        MC_FALLTHROUGH;
+    case 1:                    /* Builtin commands */
+        for (; *words != NULL; words++)
+            if (strncmp (*words, u_text, text_len) == 0)
+            {
+                g_free (u_text);
+                return g_strdup (*(words++));
+            }
+        phase++;
+        if (path == NULL)
+            break;
+        cur_path = path;
+        cur_word = NULL;
+        MC_FALLTHROUGH;
+    case 2:                    /* And looking through the $PATH */
+        while (found == NULL)
+        {
+            if (cur_word == NULL)
+            {
+                char *expanded;
+
+                if (cur_path >= path_end)
+                    break;
+                expanded = tilde_expand (*cur_path != '\0' ? cur_path : ".");
+                cur_word = mc_build_filename (expanded, u_text, (char *) NULL);
+                g_free (expanded);
+                canonicalize_pathname (cur_word);
+                cur_path = strchr (cur_path, '\0') + 1;
+                init_state = state;
+            }
+            found = filename_completion_function (cur_word, state - init_state, flags);
+            if (found == NULL)
+                MC_PTR_FREE (cur_word);
+        }
+        MC_FALLTHROUGH;
+    default:
+        break;
+    }
+
+    if (found == NULL)
+        MC_PTR_FREE (path);
+    else
+    {
+        p = strrchr (found, PATH_SEP);
+        if (p != NULL)
+        {
+            char *tmp = found;
+
+            found = strutils_shell_escape (p + 1);
+            g_free (tmp);
+        }
+    }
+
+    g_free (u_text);
+    return found;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+match_compare (const void *a, const void *b)
+{
+    return strcmp (*(char *const *) a, *(char *const *) b);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Returns an array of char * matches with the longest common denominator
+   in the 1st entry. Then a NULL terminated list of different possible
+   completions follows.
+   You have to supply your own CompletionFunction with the word you
+   want to complete as the first argument and an count of previous matches
+   as the second. 
+   In case no matches were found we return NULL. */
+
+static char **
+completion_matches (const char *text, CompletionFunction entry_function, input_complete_t flags)
+{
+    /* Number of slots in match_list. */
+    size_t match_list_size = 30;
+    /* The list of matches. */
+    char **match_list;
+    /* Number of matches actually found. */
+    size_t matches = 0;
+
+    /* Temporary string binder. */
+    char *string;
+
+    match_list = g_new (char *, match_list_size + 1);
+    match_list[1] = NULL;
+
+    while ((string = (*entry_function) (text, matches, flags)) != NULL)
+    {
+        if (matches + 1 == match_list_size)
+        {
+            match_list_size += 30;
+            match_list = (char **) g_renew (char *, match_list, match_list_size + 1);
+        }
+        match_list[++matches] = string;
+        match_list[matches + 1] = NULL;
+    }
+
+    /* If there were any matches, then look through them finding out the
+       lowest common denominator.  That then becomes match_list[0]. */
+    if (matches == 0)
+        MC_PTR_FREE (match_list);       /* There were no matches. */
+    else
+    {
+        /* If only one match, just use that. */
+        if (matches == 1)
+        {
+            match_list[0] = match_list[1];
+            match_list[1] = NULL;
+        }
+        else
+        {
+            size_t i = 1;
+            int low = 4096;     /* Count of max-matched characters. */
+            size_t j;
+
+            qsort (match_list + 1, matches, sizeof (char *), match_compare);
+
+            /* And compare each member of the list with
+               the next, finding out where they stop matching. 
+               If we find two equal strings, we have to put one away... */
+
+            j = i + 1;
+            while (j < matches + 1)
+            {
+                char *si, *sj;
+                char *ni, *nj;
+
+                for (si = match_list[i], sj = match_list[j]; si[0] != '\0' && sj[0] != '\0';)
+                {
+
+                    ni = str_get_next_char (si);
+                    nj = str_get_next_char (sj);
+
+                    if (ni - si != nj - sj)
+                        break;
+                    if (strncmp (si, sj, ni - si) != 0)
+                        break;
+
+                    si = ni;
+                    sj = nj;
+                }
+
+                if (si[0] == '\0' && sj[0] == '\0')
+                {               /* Two equal strings */
+                    g_free (match_list[j]);
+                    j++;
+                    if (j > matches)
+                        break;
+                    continue;   /* Look for a run of equal strings */
+                }
+                else if (low > si - match_list[i])
+                    low = si - match_list[i];
+                if (i + 1 != j) /* So there's some gap */
+                    match_list[i + 1] = match_list[j];
+                i++;
+                j++;
+            }
+            matches = i;
+            match_list[matches + 1] = NULL;
+            match_list[0] = g_strndup (match_list[1], low);
+        }
+    }
+
+    return match_list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Check if directory completion is needed */
+static gboolean
+check_is_cd (const char *text, int lc_start, input_complete_t flags)
+{
+    const char *p, *q;
+
+    SHOW_C_CTX ("check_is_cd");
+
+    if ((flags & INPUT_COMPLETE_CD) == 0)
+        return FALSE;
+
+    /* Skip initial spaces */
+    p = text;
+    q = text + lc_start;
+    while (p < q && p[0] != '\0' && str_isspace (p))
+        str_cnext_char (&p);
+
+    /* Check if the command is "cd" and the cursor is after it */
+    return (p[0] == 'c' && p[1] == 'd' && str_isspace (p + 2) && p + 2 < q);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+try_complete_commands_prepare (try_complete_automation_state_t * state, char *text, int *lc_start)
+{
+    const char *command_separator_chars = ";|&{(`";
+    char *ti;
+
+    if (*lc_start == 0)
+        ti = text;
+    else
+    {
+        ti = str_get_prev_char (&text[*lc_start]);
+        while (ti > text && whitespace (ti[0]))
+            str_prev_char (&ti);
+    }
+
+    if (ti == text)
+        state->in_command_position++;
+    else if (strchr (command_separator_chars, ti[0]) != NULL)
+    {
+        state->in_command_position++;
+        if (ti != text)
+        {
+            int this_char, prev_char;
+
+            /* Handle the two character tokens '>&', '<&', and '>|'.
+               We are not in a command position after one of these. */
+            this_char = ti[0];
+            prev_char = str_get_prev_char (ti)[0];
+
+            /* Quoted */
+            if ((this_char == '&' && (prev_char == '<' || prev_char == '>'))
+                || (this_char == '|' && prev_char == '>') || (ti != text
+                                                              && str_get_prev_char (ti)[0] == '\\'))
+                state->in_command_position = 0;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+try_complete_find_start_sign (try_complete_automation_state_t * state)
+{
+    if ((state->flags & INPUT_COMPLETE_COMMANDS) != 0)
+        state->p = strrchr (state->word, '`');
+    if ((state->flags & (INPUT_COMPLETE_COMMANDS | INPUT_COMPLETE_VARIABLES)) != 0)
+    {
+        state->q = strrchr (state->word, '$');
+
+        /* don't substitute variable in \$ case */
+        if (strutils_is_char_escaped (state->word, state->q))
+        {
+            /* drop '\\' */
+            str_move (state->q - 1, state->q);
+            /* adjust flags */
+            state->flags &= ~INPUT_COMPLETE_VARIABLES;
+            state->q = NULL;
+        }
+    }
+    if ((state->flags & INPUT_COMPLETE_HOSTNAMES) != 0)
+        state->r = strrchr (state->word, '@');
+    if (state->q != NULL && state->q[1] == '(' && (state->flags & INPUT_COMPLETE_COMMANDS) != 0)
+    {
+        if (state->q > state->p)
+            state->p = str_get_next_char (state->q);
+        state->q = NULL;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char **
+try_complete_all_possible (try_complete_automation_state_t * state, char *text, int *lc_start)
+{
+    char **matches = NULL;
+
+    if (state->in_command_position != 0)
+    {
+        SHOW_C_CTX ("try_complete:cmd_subst");
+        matches =
+            completion_matches (state->word, command_completion_function,
+                                state->flags & (~INPUT_COMPLETE_FILENAMES));
+    }
+    else if ((state->flags & INPUT_COMPLETE_FILENAMES) != 0)
+    {
+        if (state->is_cd)
+            state->flags &= ~(INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_COMMANDS);
+        SHOW_C_CTX ("try_complete:filename_subst_1");
+        matches = completion_matches (state->word, filename_completion_function, state->flags);
+
+        if (matches == NULL && state->is_cd && !IS_PATH_SEP (*state->word) && *state->word != '~')
+        {
+            state->q = text + *lc_start;
+            for (state->p = text;
+                 *state->p != '\0' && state->p < state->q && whitespace (*state->p);
+                 str_next_char (&state->p))
+                ;
+            if (strncmp (state->p, "cd", 2) == 0)
+                for (state->p += 2;
+                     *state->p != '\0' && state->p < state->q && whitespace (*state->p);
+                     str_next_char (&state->p))
+                    ;
+            if (state->p == state->q)
+            {
+                char *cdpath_ref, *cdpath;
+                char c;
+
+                cdpath_ref = g_strdup (getenv ("CDPATH"));
+                cdpath = cdpath_ref;
+                c = (cdpath == NULL) ? '\0' : ':';
+
+                while (matches == NULL && c == ':')
+                {
+                    char *s;
+
+                    s = strchr (cdpath, ':');
+                    /* cppcheck-suppress nullPointer */
+                    if (s == NULL)
+                        s = strchr (cdpath, '\0');
+                    c = *s;
+                    *s = '\0';
+                    if (*cdpath != '\0')
+                    {
+                        state->r = mc_build_filename (cdpath, state->word, (char *) NULL);
+                        SHOW_C_CTX ("try_complete:filename_subst_2");
+                        matches =
+                            completion_matches (state->r, filename_completion_function,
+                                                state->flags);
+                        g_free (state->r);
+                    }
+                    *s = c;
+                    cdpath = str_get_next_char (s);
+                }
+                g_free (cdpath_ref);
+            }
+        }
+    }
+    return matches;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+insert_text (WInput * in, char *text, ssize_t size)
+{
+    size_t text_len;
+    int buff_len;
+    ssize_t new_size;
+
+    text_len = strlen (text);
+    buff_len = str_length (in->buffer->str);
+    if (size < 0)
+        size = (ssize_t) text_len;
+    else
+        size = MIN (size, (ssize_t) text_len);
+
+    new_size = size + start - end;
+    if (new_size != 0)
+    {
+        /* make a hole within buffer */
+
+        size_t tail_len;
+
+        tail_len = in->buffer->len - end;
+        if (tail_len != 0)
+        {
+            char *tail;
+            size_t hole_end;
+
+            tail = g_strndup (in->buffer->str + end, tail_len);
+
+            hole_end = end + new_size;
+            if (in->buffer->len < hole_end)
+                g_string_set_size (in->buffer, hole_end + tail_len);
+
+            g_string_overwrite_len (in->buffer, hole_end, tail, tail_len);
+
+            g_free (tail);
+        }
+    }
+
+    g_string_overwrite_len (in->buffer, start, text, size);
+
+    in->point += str_length (in->buffer->str) - buff_len;
+    input_update (in, TRUE);
+    end += new_size;
+
+    return new_size != 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+complete_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    static int bl = 0;
+
+    WGroup *g = GROUP (w);
+    WDialog *h = DIALOG (w);
+
+    switch (msg)
+    {
+    case MSG_KEY:
+        switch (parm)
+        {
+        case KEY_LEFT:
+        case KEY_RIGHT:
+            bl = 0;
+            h->ret_value = 0;
+            dlg_stop (h);
+            return MSG_HANDLED;
+
+        case KEY_BACKSPACE:
+            bl = 0;
+            /* exit from completion list if input line is empty */
+            if (end == 0)
+            {
+                h->ret_value = 0;
+                dlg_stop (h);
+            }
+            /* Refill the list box and start again */
+            else if (end == min_end)
+            {
+                end = str_get_prev_char (input->buffer->str + end) - input->buffer->str;
+                input_handle_char (input, parm);
+                h->ret_value = B_USER;
+                dlg_stop (h);
+            }
+            else
+            {
+                int new_end;
+                int i;
+                GList *e;
+
+                new_end = str_get_prev_char (input->buffer->str + end) - input->buffer->str;
+
+                for (i = 0, e = listbox_get_first_link (LISTBOX (g->current->data));
+                     e != NULL; i++, e = g_list_next (e))
+                {
+                    WLEntry *le = LENTRY (e->data);
+
+                    if (strncmp (input->buffer->str + start, le->text, new_end - start) == 0)
+                    {
+                        listbox_select_entry (LISTBOX (g->current->data), i);
+                        end = new_end;
+                        input_handle_char (input, parm);
+                        widget_draw (WIDGET (g->current->data));
+                        break;
+                    }
+                }
+            }
+            return MSG_HANDLED;
+
+        default:
+            if (parm < 32 || parm > 255)
+            {
+                bl = 0;
+                if (widget_lookup_key (WIDGET (input), parm) != CK_Complete)
+                    return MSG_NOT_HANDLED;
+
+                if (end == min_end)
+                    return MSG_HANDLED;
+
+                /* This means we want to refill the list box and start again */
+                h->ret_value = B_USER;
+                dlg_stop (h);
+            }
+            else
+            {
+                static char buff[MB_LEN_MAX] = "";
+                GList *e;
+                int i;
+                int need_redraw = 0;
+                int low = 4096;
+                char *last_text = NULL;
+
+                buff[bl++] = (char) parm;
+                buff[bl] = '\0';
+
+                switch (str_is_valid_char (buff, bl))
+                {
+                case -1:
+                    bl = 0;
+                    MC_FALLTHROUGH;
+                case -2:
+                    return MSG_HANDLED;
+                default:
+                    break;
+                }
+
+                for (i = 0, e = listbox_get_first_link (LISTBOX (g->current->data));
+                     e != NULL; i++, e = g_list_next (e))
+                {
+                    WLEntry *le = LENTRY (e->data);
+
+                    if (strncmp (input->buffer->str + start, le->text, end - start) == 0
+                        && strncmp (le->text + end - start, buff, bl) == 0)
+                    {
+                        if (need_redraw == 0)
+                        {
+                            need_redraw = 1;
+                            listbox_select_entry (LISTBOX (g->current->data), i);
+                            last_text = le->text;
+                        }
+                        else
+                        {
+                            char *si, *sl;
+                            int si_num = 0;
+                            int sl_num = 0;
+
+                            /* count symbols between start and end */
+                            for (si = le->text + start; si < le->text + end;
+                                 str_next_char (&si), si_num++)
+                                ;
+                            for (sl = last_text + start; sl < last_text + end;
+                                 str_next_char (&sl), sl_num++)
+                                ;
+
+                            /* pointers to next symbols */
+                            si = &le->text[str_offset_to_pos (le->text, ++si_num)];
+                            sl = &last_text[str_offset_to_pos (last_text, ++sl_num)];
+
+                            while (si[0] != '\0' && sl[0] != '\0')
+                            {
+                                char *nexti, *nextl;
+
+                                nexti = str_get_next_char (si);
+                                nextl = str_get_next_char (sl);
+
+                                if (nexti - si != nextl - sl || strncmp (si, sl, nexti - si) != 0)
+                                    break;
+
+                                si = nexti;
+                                sl = nextl;
+
+                                si_num++;
+                            }
+
+                            last_text = le->text;
+
+                            si = &last_text[str_offset_to_pos (last_text, si_num)];
+                            if (low > si - last_text)
+                                low = si - last_text;
+
+                            need_redraw = 2;
+                        }
+                    }
+                }
+
+                if (need_redraw == 2)
+                {
+                    insert_text (input, last_text, low);
+                    widget_draw (WIDGET (g->current->data));
+                }
+                else if (need_redraw == 1)
+                {
+                    h->ret_value = B_ENTER;
+                    dlg_stop (h);
+                }
+                bl = 0;
+            }
+        }
+        return MSG_HANDLED;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Returns TRUE if the user would like to see us again */
+static gboolean
+complete_engine (WInput * in, int what_to_do)
+{
+    if (in->completions != NULL && str_offset_to_pos (in->buffer->str, in->point) != end)
+        input_complete_free (in);
+
+    if (in->completions == NULL)
+        complete_engine_fill_completions (in);
+
+    if (in->completions == NULL)
+        tty_beep ();
+    else
+    {
+        if ((what_to_do & DO_INSERTION) != 0
+            || ((what_to_do & DO_QUERY) != 0 && in->completions[1] == NULL))
+        {
+            char *lc_complete = in->completions[0];
+
+            if (!insert_text (in, lc_complete, -1) || in->completions[1] != NULL)
+                tty_beep ();
+            else
+                input_complete_free (in);
+        }
+
+        if ((what_to_do & DO_QUERY) != 0 && in->completions != NULL && in->completions[1] != NULL)
+        {
+            int maxlen = 0, count = 0, i;
+            int x, y, w, h;
+            int start_x, start_y;
+            char **p, *q;
+            WDialog *complete_dlg;
+            WListbox *complete_list;
+
+            for (p = in->completions + 1; *p != NULL; count++, p++)
+            {
+                i = str_term_width1 (*p);
+                if (i > maxlen)
+                    maxlen = i;
+            }
+
+            start_x = WIDGET (in)->rect.x;
+            start_y = WIDGET (in)->rect.y;
+            if (start_y - 2 >= count)
+            {
+                y = start_y - 2 - count;
+                h = 2 + count;
+            }
+            else if (start_y >= LINES - start_y - 1)
+            {
+                y = 0;
+                h = start_y;
+            }
+            else
+            {
+                y = start_y + 1;
+                h = LINES - start_y - 1;
+            }
+            x = start - in->term_first_shown - 2 + start_x;
+            w = maxlen + 4;
+            if (x + w > COLS)
+                x = COLS - w;
+            if (x < 0)
+                x = 0;
+            if (x + w > COLS)
+                w = COLS;
+
+            input = in;
+            min_end = end;
+            complete_height = h;
+            complete_width = w;
+
+            complete_dlg =
+                dlg_create (TRUE, y, x, complete_height, complete_width, WPOS_KEEP_DEFAULT, TRUE,
+                            dialog_colors, complete_callback, NULL, "[Completion]", NULL);
+            complete_list = listbox_new (1, 1, h - 2, w - 2, FALSE, NULL);
+            group_add_widget (GROUP (complete_dlg), complete_list);
+
+            for (p = in->completions + 1; *p != NULL; p++)
+                listbox_add_item (complete_list, LISTBOX_APPEND_AT_END, 0, *p, NULL, FALSE);
+
+            i = dlg_run (complete_dlg);
+            q = NULL;
+            if (i == B_ENTER)
+            {
+                listbox_get_current (complete_list, &q, NULL);
+                if (q != NULL)
+                    insert_text (in, q, -1);
+            }
+            if (q != NULL || end != min_end)
+                input_complete_free (in);
+            widget_destroy (WIDGET (complete_dlg));
+
+            /* B_USER if user wants to start over again */
+            return (i == B_USER);
+        }
+    }
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** Returns an array of matches, or NULL if none. */
+char **
+try_complete (char *text, int *lc_start, int *lc_end, input_complete_t flags)
+{
+    try_complete_automation_state_t state;
+    char **matches = NULL;
+
+    memset (&state, 0, sizeof (state));
+    state.flags = flags;
+
+    SHOW_C_CTX ("try_complete");
+    state.word = g_strndup (text + *lc_start, *lc_end - *lc_start);
+
+    state.is_cd = check_is_cd (text, *lc_start, state.flags);
+
+    /* Determine if this could be a command word. It is if it appears at
+       the start of the line (ignoring preceding whitespace), or if it
+       appears after a character that separates commands. And we have to
+       be in a INPUT_COMPLETE_COMMANDS flagged Input line. */
+    if (!state.is_cd && (flags & INPUT_COMPLETE_COMMANDS) != 0)
+        try_complete_commands_prepare (&state, text, lc_start);
+
+    try_complete_find_start_sign (&state);
+
+    /* Command substitution? */
+    if (state.p > state.q && state.p > state.r)
+    {
+        SHOW_C_CTX ("try_complete:cmd_backq_subst");
+        matches = completion_matches (str_cget_next_char (state.p),
+                                      command_completion_function,
+                                      state.flags & (~INPUT_COMPLETE_FILENAMES));
+        if (matches != NULL)
+            *lc_start += str_get_next_char (state.p) - state.word;
+    }
+
+    /* Variable name? */
+    else if (state.q > state.p && state.q > state.r)
+    {
+        SHOW_C_CTX ("try_complete:var_subst");
+        matches = completion_matches (state.q, variable_completion_function, state.flags);
+        if (matches != NULL)
+            *lc_start += state.q - state.word;
+    }
+
+    /* Starts with '@', then look through the known hostnames for 
+       completion first. */
+    else if (state.r > state.p && state.r > state.q)
+    {
+        SHOW_C_CTX ("try_complete:host_subst");
+        matches = completion_matches (state.r, hostname_completion_function, state.flags);
+        if (matches != NULL)
+            *lc_start += state.r - state.word;
+    }
+
+    /* Starts with '~' and there is no slash in the word, then
+       try completing this word as a username. */
+    if (matches == NULL && *state.word == '~' && (state.flags & INPUT_COMPLETE_USERNAMES) != 0
+        && strchr (state.word, PATH_SEP) == NULL)
+    {
+        SHOW_C_CTX ("try_complete:user_subst");
+        matches = completion_matches (state.word, username_completion_function, state.flags);
+    }
+
+    /* If this word is in a command position, then
+       complete over possible command names, including aliases, functions,
+       and command names. */
+    if (matches == NULL)
+        matches = try_complete_all_possible (&state, text, lc_start);
+
+    /* And finally if nothing found, try complete directory name */
+    if (matches == NULL)
+    {
+        state.in_command_position = 0;
+        matches = try_complete_all_possible (&state, text, lc_start);
+    }
+
+    g_free (state.word);
+
+    if (matches != NULL &&
+        (flags & (INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_SHELL_ESC)) !=
+        (INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_SHELL_ESC))
+    {
+        /* FIXME: HACK? INPUT_COMPLETE_SHELL_ESC is used only in command line. */
+        char **m;
+
+        for (m = matches; *m != NULL; m++)
+        {
+            char *p;
+
+            p = *m;
+            *m = strutils_shell_escape (*m);
+            g_free (p);
+        }
+    }
+
+    return matches;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+complete_engine_fill_completions (WInput * in)
+{
+    char *s;
+    const char *word_separators;
+
+    word_separators = (in->completion_flags & INPUT_COMPLETE_SHELL_ESC) ? " \t;|<>" : "\t;|<>";
+
+    end = str_offset_to_pos (in->buffer->str, in->point);
+
+    s = in->buffer->str;
+    if (in->point != 0)
+    {
+        /* get symbol before in->point */
+        size_t i;
+
+        for (i = in->point - 1; i > 0; i--)
+            str_next_char (&s);
+    }
+
+    for (; s >= in->buffer->str; str_prev_char (&s))
+    {
+        start = s - in->buffer->str;
+        if (strchr (word_separators, *s) != NULL && !strutils_is_char_escaped (in->buffer->str, s))
+            break;
+    }
+
+    if (start < end)
+    {
+        str_next_char (&s);
+        start = s - in->buffer->str;
+    }
+
+    in->completions = try_complete (in->buffer->str, &start, &end, in->completion_flags);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* declared in lib/widget/input.h */
+void
+input_complete (WInput * in)
+{
+    int engine_flags;
+
+    if (!str_is_valid_string (in->buffer->str))
+        return;
+
+    if (in->completions != NULL)
+        engine_flags = DO_QUERY;
+    else
+    {
+        engine_flags = DO_INSERTION;
+
+        if (mc_global.widget.show_all_if_ambiguous)
+            engine_flags |= DO_QUERY;
+    }
+
+    while (complete_engine (in, engine_flags))
+        ;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+input_complete_free (WInput * in)
+{
+    g_strfreev (in->completions);
+    in->completions = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/label.c b/lib/widget/label.c
new file mode 100644
index 0000000..97f82af
--- /dev/null
+++ b/lib/widget/label.c
@@ -0,0 +1,197 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file label.c
+ *  \brief Source: WLabel widget
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static cb_ret_t
+label_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WLabel *l = LABEL (w);
+
+    switch (msg)
+    {
+    case MSG_DRAW:
+        {
+            char *p = l->text;
+            int y = 0;
+            gboolean disabled;
+            align_crt_t align;
+
+            if (l->text == NULL)
+                return MSG_HANDLED;
+
+            disabled = widget_get_state (w, WST_DISABLED);
+
+            if (l->transparent)
+                tty_setcolor (disabled ? DISABLED_COLOR : DEFAULT_COLOR);
+            else
+            {
+                const int *colors;
+
+                colors = widget_get_colors (w);
+                tty_setcolor (disabled ? DISABLED_COLOR : colors[DLG_COLOR_NORMAL]);
+            }
+
+            align = (w->pos_flags & WPOS_CENTER_HORZ) != 0 ? J_CENTER_LEFT : J_LEFT;
+
+            while (TRUE)
+            {
+                char *q;
+                char c = '\0';
+
+
+                q = strchr (p, '\n');
+                if (q != NULL)
+                {
+                    c = q[0];
+                    q[0] = '\0';
+                }
+
+                widget_gotoyx (w, y, 0);
+                tty_print_string (str_fit_to_term (p, w->rect.cols, align));
+
+                if (q == NULL)
+                    break;
+
+                q[0] = c;
+                p = q + 1;
+                y++;
+            }
+            return MSG_HANDLED;
+        }
+
+    case MSG_DESTROY:
+        g_free (l->text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WLabel *
+label_new (int y, int x, const char *text)
+{
+    WRect r = { y, x, 1, 1 };
+    WLabel *l;
+    Widget *w;
+
+    if (text != NULL)
+        str_msg_term_size (text, &r.lines, &r.cols);
+
+    l = g_new (WLabel, 1);
+    w = WIDGET (l);
+    widget_init (w, &r, label_callback, NULL);
+
+    l->text = g_strdup (text);
+    l->auto_adjust_cols = TRUE;
+    l->transparent = FALSE;
+
+    return l;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+label_set_text (WLabel * label, const char *text)
+{
+    Widget *w = WIDGET (label);
+    int newcols = w->rect.cols;
+    int newlines;
+
+    if (label->text != NULL && text != NULL && strcmp (label->text, text) == 0)
+        return;                 /* Flickering is not nice */
+
+    g_free (label->text);
+
+    if (text == NULL)
+        label->text = NULL;
+    else
+    {
+        label->text = g_strdup (text);
+        if (label->auto_adjust_cols)
+        {
+            str_msg_term_size (text, &newlines, &newcols);
+            w->rect.cols = MAX (newcols, w->rect.cols);
+            w->rect.lines = MAX (newlines, w->rect.lines);
+        }
+    }
+
+    widget_draw (w);
+
+    w->rect.cols = MIN (newcols, w->rect.cols);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+label_set_textv (WLabel * label, const char *format, ...)
+{
+    va_list args;
+    char buf[BUF_1K];           /* FIXME: is it enough? */
+
+    va_start (args, format);
+    g_vsnprintf (buf, sizeof (buf), format, args);
+    va_end (args);
+
+    label_set_text (label, buf);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/label.h b/lib/widget/label.h
new file mode 100644
index 0000000..6d1607f
--- /dev/null
+++ b/lib/widget/label.h
@@ -0,0 +1,37 @@
+
+/** \file label.h
+ *  \brief Header: WLabel widget
+ */
+
+#ifndef MC__WIDGET_LABEL_H
+#define MC__WIDGET_LABEL_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define LABEL(x) ((WLabel *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    Widget widget;
+    gboolean auto_adjust_cols;  /* compute widget.cols from strlen(text)? */
+    char *text;
+    gboolean transparent;       /* Paint in the default color fg/bg */
+} WLabel;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WLabel *label_new (int y, int x, const char *text);
+void label_set_text (WLabel * label, const char *text);
+/* *INDENT-OFF* */
+void label_set_textv (WLabel * label, const char *format, ...) G_GNUC_PRINTF (2, 3);
+/* *INDENT-ON* */
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_LABEL_H */
diff --git a/lib/widget/listbox-window.c b/lib/widget/listbox-window.c
new file mode 100644
index 0000000..42551c4
--- /dev/null
+++ b/lib/widget/listbox-window.c
@@ -0,0 +1,175 @@
+/*
+   Widget based utility functions.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Miguel de Icaza, 1994, 1995, 1996
+   Radek Doulik, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1995
+   Andrew Borodin <aborodin@vmail.ru>, 2009, 2010, 2013
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file listbox-window.c
+ *  \brief Source: Listbox widget, a listbox within dialog window
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"        /* COLS */
+#include "lib/skin.h"
+#include "lib/strutil.h"        /* str_term_width1() */
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+Listbox *
+create_listbox_window_centered (int center_y, int center_x, int lines, int cols,
+                                const char *title, const char *help)
+{
+    const int space = 4;
+
+    int xpos = 0, ypos = 0;
+    Listbox *listbox;
+    widget_pos_flags_t pos_flags = WPOS_TRYUP;
+
+    /* Adjust sizes */
+    lines = MIN (lines, LINES - 6);
+
+    if (title != NULL)
+    {
+        int len;
+
+        len = str_term_width1 (title) + 4;
+        cols = MAX (cols, len);
+    }
+
+    cols = MIN (cols, COLS - 6);
+
+    /* adjust position */
+    if ((center_y < 0) || (center_x < 0))
+        pos_flags |= WPOS_CENTER;
+    else
+    {
+        /* Actually, this this is not used in MC. */
+
+        ypos = center_y;
+        xpos = center_x;
+
+        ypos -= lines / 2;
+        xpos -= cols / 2;
+
+        if (ypos + lines >= LINES)
+            ypos = LINES - lines - space;
+        if (ypos < 0)
+            ypos = 0;
+
+        if (xpos + cols >= COLS)
+            xpos = COLS - cols - space;
+        if (xpos < 0)
+            xpos = 0;
+    }
+
+    listbox = g_new (Listbox, 1);
+
+    listbox->dlg =
+        dlg_create (TRUE, ypos, xpos, lines + space, cols + space, pos_flags, FALSE, listbox_colors,
+                    NULL, NULL, help, title);
+
+    listbox->list = listbox_new (2, 2, lines, cols, FALSE, NULL);
+    group_add_widget (GROUP (listbox->dlg), listbox->list);
+
+    return listbox;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+Listbox *
+create_listbox_window (int lines, int cols, const char *title, const char *help)
+{
+    return create_listbox_window_centered (-1, -1, lines, cols, title, help);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Returns the number of the item selected */
+int
+run_listbox (Listbox * l)
+{
+    int val = -1;
+
+    if (dlg_run (l->dlg) != B_CANCEL)
+        val = l->list->pos;
+    widget_destroy (WIDGET (l->dlg));
+    g_free (l);
+    return val;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * A variant of run_listbox() which is more convenient to use when we
+ * need to select arbitrary 'data'.
+ *
+ * @param select  the item to select initially, by its 'data'. Optional.
+ * @return        the 'data' of the item selected, or NULL if none selected.
+ */
+void *
+run_listbox_with_data (Listbox * l, const void *select)
+{
+    void *val = NULL;
+
+    if (select != NULL)
+        listbox_select_entry (l->list, listbox_search_data (l->list, select));
+
+    if (dlg_run (l->dlg) != B_CANCEL)
+    {
+        WLEntry *e;
+        e = listbox_get_nth_item (l->list, l->list->pos);
+        if (e != NULL)
+        {
+            /* The assert guards against returning a soon-to-be deallocated
+             * pointer (as in listbox_add_item(..., TRUE)). */
+            g_assert (!e->free_data);
+            val = e->data;
+        }
+    }
+
+    widget_destroy (WIDGET (l->dlg));
+    g_free (l);
+    return val;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/listbox-window.h b/lib/widget/listbox-window.h
new file mode 100644
index 0000000..5a60829
--- /dev/null
+++ b/lib/widget/listbox-window.h
@@ -0,0 +1,36 @@
+/** \file listbox-window.h
+ *  \brief Header: Listbox widget, a listbox within dialog window
+ */
+
+#ifndef MC__LISTBOX_DIALOG_H
+#define MC__LISTBOX_DIALOG_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define LISTBOX_APPEND_TEXT(l,h,t,d,f) \
+    listbox_add_item (l->list, LISTBOX_APPEND_AT_END, h, t, d, f)
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    WDialog *dlg;
+    WListbox *list;
+} Listbox;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* Listbox utility functions */
+Listbox *create_listbox_window_centered (int center_y, int center_x, int lines, int cols,
+                                         const char *title, const char *help);
+Listbox *create_listbox_window (int lines, int cols, const char *title, const char *help);
+int run_listbox (Listbox * l);
+void *run_listbox_with_data (Listbox * l, const void *select);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__LISTBOX_DIALOG_H */
diff --git a/lib/widget/listbox.c b/lib/widget/listbox.c
new file mode 100644
index 0000000..80e8ebf
--- /dev/null
+++ b/lib/widget/listbox.c
@@ -0,0 +1,828 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file listbox.c
+ *  \brief Source: WListbox widget
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/util.h"           /* Q_() */
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+const global_keymap_t *listbox_map = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+/* Gives the position of the last item. */
+#define LISTBOX_LAST(l) (listbox_is_empty (l) ? 0 : (int) g_queue_get_length ((l)->list) - 1)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static int
+listbox_entry_cmp (const void *a, const void *b, void *user_data)
+{
+    const WLEntry *ea = (const WLEntry *) a;
+    const WLEntry *eb = (const WLEntry *) b;
+
+    (void) user_data;
+
+    return strcmp (ea->text, eb->text);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_entry_free (void *data)
+{
+    WLEntry *e = data;
+
+    g_free (e->text);
+    if (e->free_data)
+        g_free (e->data);
+    g_free (e);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_drawscroll (const WListbox * l)
+{
+    const WRect *w = &CONST_WIDGET (l)->rect;
+    int max_line = w->lines - 1;
+    int line = 0;
+    int i;
+    int length;
+
+    /* Are we at the top? */
+    widget_gotoyx (l, 0, w->cols);
+    if (l->top == 0)
+        tty_print_one_vline (TRUE);
+    else
+        tty_print_char ('^');
+
+    length = g_queue_get_length (l->list);
+
+    /* Are we at the bottom? */
+    widget_gotoyx (w, max_line, w->cols);
+    if (l->top + w->lines == length || w->lines >= length)
+        tty_print_one_vline (TRUE);
+    else
+        tty_print_char ('v');
+
+    /* Now draw the nice relative pointer */
+    if (!g_queue_is_empty (l->list))
+        line = 1 + ((l->pos * (w->lines - 2)) / length);
+
+    for (i = 1; i < max_line; i++)
+    {
+        widget_gotoyx (l, i, w->cols);
+        if (i != line)
+            tty_print_one_vline (TRUE);
+        else
+            tty_print_char ('*');
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_draw (WListbox * l, gboolean focused)
+{
+    Widget *wl = WIDGET (l);
+    const WRect *w = &CONST_WIDGET (l)->rect;
+    const int *colors;
+    gboolean disabled;
+    int normalc, selc;
+    int length = 0;
+    GList *le = NULL;
+    int pos;
+    int i;
+    int sel_line = -1;
+
+    colors = widget_get_colors (wl);
+
+    disabled = widget_get_state (wl, WST_DISABLED);
+    normalc = disabled ? DISABLED_COLOR : colors[DLG_COLOR_NORMAL];
+    selc = disabled ? DISABLED_COLOR : colors[focused ? DLG_COLOR_HOT_FOCUS : DLG_COLOR_FOCUS];
+
+    if (l->list != NULL)
+    {
+        length = g_queue_get_length (l->list);
+        le = g_queue_peek_nth_link (l->list, (guint) l->top);
+    }
+
+    /*    pos = (le == NULL) ? 0 : g_list_position (l->list, le); */
+    pos = (le == NULL) ? 0 : l->top;
+
+    for (i = 0; i < w->lines; i++)
+    {
+        const char *text = "";
+
+        /* Display the entry */
+        if (pos == l->pos && sel_line == -1)
+        {
+            sel_line = i;
+            tty_setcolor (selc);
+        }
+        else
+            tty_setcolor (normalc);
+
+        widget_gotoyx (l, i, 1);
+
+        if (l->list != NULL && le != NULL && (i == 0 || pos < length))
+        {
+            WLEntry *e = LENTRY (le->data);
+
+            text = e->text;
+            le = g_list_next (le);
+            pos++;
+        }
+
+        tty_print_string (str_fit_to_term (text, w->cols - 2, J_LEFT_FIT));
+    }
+
+    l->cursor_y = sel_line;
+
+    if (l->scrollbar && length > w->lines)
+    {
+        tty_setcolor (normalc);
+        listbox_drawscroll (l);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+listbox_check_hotkey (WListbox * l, int key)
+{
+    if (!listbox_is_empty (l))
+    {
+        int i;
+        GList *le;
+
+        for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
+        {
+            WLEntry *e = LENTRY (le->data);
+
+            if (e->hotkey == key)
+                return i;
+        }
+    }
+
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Calculates the item displayed at screen row 'y' (y==0 being the widget's 1st row). */
+static int
+listbox_y_pos (WListbox * l, int y)
+{
+    return MIN (l->top + y, LISTBOX_LAST (l));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_fwd (WListbox * l, gboolean wrap)
+{
+    if (!listbox_is_empty (l))
+    {
+        if ((guint) l->pos + 1 < g_queue_get_length (l->list))
+            listbox_select_entry (l, l->pos + 1);
+        else if (wrap)
+            listbox_select_first (l);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_fwd_n (WListbox * l, int n)
+{
+    listbox_select_entry (l, MIN (l->pos + n, LISTBOX_LAST (l)));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_back (WListbox * l, gboolean wrap)
+{
+    if (!listbox_is_empty (l))
+    {
+        if (l->pos > 0)
+            listbox_select_entry (l, l->pos - 1);
+        else if (wrap)
+            listbox_select_last (l);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_back_n (WListbox * l, int n)
+{
+    listbox_select_entry (l, MAX (l->pos - n, 0));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+listbox_execute_cmd (WListbox * l, long command)
+{
+    cb_ret_t ret = MSG_HANDLED;
+    const WRect *w = &CONST_WIDGET (l)->rect;
+
+    if (l->list == NULL || g_queue_is_empty (l->list))
+        return MSG_NOT_HANDLED;
+
+    switch (command)
+    {
+    case CK_Up:
+        listbox_back (l, TRUE);
+        break;
+    case CK_Down:
+        listbox_fwd (l, TRUE);
+        break;
+    case CK_Top:
+        listbox_select_first (l);
+        break;
+    case CK_Bottom:
+        listbox_select_last (l);
+        break;
+    case CK_PageUp:
+        listbox_back_n (l, w->lines - 1);
+        break;
+    case CK_PageDown:
+        listbox_fwd_n (l, w->lines - 1);
+        break;
+    case CK_Delete:
+        if (l->deletable)
+        {
+            gboolean is_last, is_more;
+            int length;
+
+            length = g_queue_get_length (l->list);
+
+            is_last = (l->pos + 1 >= length);
+            is_more = (l->top + w->lines >= length);
+
+            listbox_remove_current (l);
+            if ((l->top > 0) && (is_last || is_more))
+                l->top--;
+        }
+        break;
+    case CK_Clear:
+        if (l->deletable && mc_global.widget.confirm_history_cleanup
+            /* TRANSLATORS: no need to translate 'DialogTitle', it's just a context prefix */
+            && (query_dialog (Q_ ("DialogTitle|History cleanup"),
+                              _("Do you want clean this history?"),
+                              D_ERROR, 2, _("&Yes"), _("&No")) == 0))
+            listbox_remove_list (l);
+        break;
+    case CK_View:
+    case CK_Edit:
+    case CK_Enter:
+        ret = send_message (WIDGET (l)->owner, l, MSG_NOTIFY, command, NULL);
+        break;
+    default:
+        ret = MSG_NOT_HANDLED;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Return MSG_HANDLED if we want a redraw */
+static cb_ret_t
+listbox_key (WListbox * l, int key)
+{
+    long command;
+
+    if (l->list == NULL)
+        return MSG_NOT_HANDLED;
+
+    /* focus on listbox item N by '0'..'9' keys */
+    if (key >= '0' && key <= '9')
+    {
+        listbox_select_entry (l, key - '0');
+        return MSG_HANDLED;
+    }
+
+    command = widget_lookup_key (WIDGET (l), key);
+    if (command == CK_IgnoreKey)
+        return MSG_NOT_HANDLED;
+    return listbox_execute_cmd (l, command);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Listbox item adding function */
+static inline void
+listbox_append_item (WListbox * l, WLEntry * e, listbox_append_t pos)
+{
+    if (l->list == NULL)
+    {
+        l->list = g_queue_new ();
+        pos = LISTBOX_APPEND_AT_END;
+    }
+
+    switch (pos)
+    {
+    case LISTBOX_APPEND_AT_END:
+        g_queue_push_tail (l->list, e);
+        break;
+
+    case LISTBOX_APPEND_BEFORE:
+        g_queue_insert_before (l->list, g_queue_peek_nth_link (l->list, (guint) l->pos), e);
+        break;
+
+    case LISTBOX_APPEND_AFTER:
+        g_queue_insert_after (l->list, g_queue_peek_nth_link (l->list, (guint) l->pos), e);
+        break;
+
+    case LISTBOX_APPEND_SORTED:
+        g_queue_insert_sorted (l->list, e, (GCompareDataFunc) listbox_entry_cmp, NULL);
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Call this whenever the user changes the selected item. */
+static void
+listbox_on_change (WListbox * l)
+{
+    listbox_draw (l, TRUE);
+    send_message (WIDGET (l)->owner, l, MSG_NOTIFY, 0, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_do_action (WListbox * l)
+{
+    int action;
+
+    if (listbox_is_empty (l))
+        return;
+
+    if (l->callback != NULL)
+        action = l->callback (l);
+    else
+        action = LISTBOX_DONE;
+
+    if (action == LISTBOX_DONE)
+    {
+        WDialog *h = DIALOG (WIDGET (l)->owner);
+
+        h->ret_value = B_ENTER;
+        dlg_stop (h);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_run_hotkey (WListbox * l, int pos)
+{
+    listbox_select_entry (l, pos);
+    listbox_on_change (l);
+    listbox_do_action (l);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+listbox_destroy (WListbox * l)
+{
+    listbox_remove_list (l);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+listbox_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WListbox *l = LISTBOX (w);
+
+    switch (msg)
+    {
+    case MSG_HOTKEY:
+        {
+            int pos;
+
+            pos = listbox_check_hotkey (l, parm);
+            if (pos < 0)
+                return MSG_NOT_HANDLED;
+
+            listbox_run_hotkey (l, pos);
+
+            return MSG_HANDLED;
+        }
+
+    case MSG_KEY:
+        {
+            cb_ret_t ret_code;
+
+            ret_code = listbox_key (l, parm);
+            if (ret_code != MSG_NOT_HANDLED)
+                listbox_on_change (l);
+            return ret_code;
+        }
+
+    case MSG_ACTION:
+        return listbox_execute_cmd (l, parm);
+
+    case MSG_CURSOR:
+        widget_gotoyx (l, l->cursor_y, 0);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        listbox_draw (l, widget_get_state (w, WST_FOCUSED));
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        listbox_destroy (l);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+listbox_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    WListbox *l = LISTBOX (w);
+    int old_pos;
+
+    old_pos = l->pos;
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        widget_select (w);
+        listbox_select_entry (l, listbox_y_pos (l, event->y));
+        break;
+
+    case MSG_MOUSE_SCROLL_UP:
+        listbox_back (l, FALSE);
+        break;
+
+    case MSG_MOUSE_SCROLL_DOWN:
+        listbox_fwd (l, FALSE);
+        break;
+
+    case MSG_MOUSE_DRAG:
+        event->result.repeat = TRUE;    /* It'd be functional even without this. */
+        listbox_select_entry (l, listbox_y_pos (l, event->y));
+        break;
+
+    case MSG_MOUSE_CLICK:
+        /* We don't call listbox_select_entry() here: MSG_MOUSE_DOWN/DRAG did this already. */
+        if (event->count == GPM_DOUBLE) /* Double click */
+            listbox_do_action (l);
+        break;
+
+    default:
+        break;
+    }
+
+    /* If the selection has changed, we redraw the widget and notify the dialog. */
+    if (l->pos != old_pos)
+        listbox_on_change (l);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WListbox *
+listbox_new (int y, int x, int height, int width, gboolean deletable, lcback_fn callback)
+{
+    WRect r = { y, x, 1, width };
+    WListbox *l;
+    Widget *w;
+
+    l = g_new (WListbox, 1);
+    w = WIDGET (l);
+    r.lines = height > 0 ? height : 1;
+    widget_init (w, &r, listbox_callback, listbox_mouse_callback);
+    w->options |= WOP_SELECTABLE | WOP_WANT_HOTKEY;
+    w->keymap = listbox_map;
+
+    l->list = NULL;
+    l->top = l->pos = 0;
+    l->deletable = deletable;
+    l->callback = callback;
+    l->allow_duplicates = TRUE;
+    l->scrollbar = !mc_global.tty.slow_terminal;
+
+    return l;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Finds item by its label.
+ */
+int
+listbox_search_text (WListbox * l, const char *text)
+{
+    if (!listbox_is_empty (l))
+    {
+        int i;
+        GList *le;
+
+        for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
+        {
+            WLEntry *e = LENTRY (le->data);
+
+            if (strcmp (e->text, text) == 0)
+                return i;
+        }
+    }
+
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Finds item by its 'data' slot.
+ */
+int
+listbox_search_data (WListbox * l, const void *data)
+{
+    if (!listbox_is_empty (l))
+    {
+        int i;
+        GList *le;
+
+        for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
+        {
+            WLEntry *e = LENTRY (le->data);
+
+            if (e->data == data)
+                return i;
+        }
+    }
+
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Selects the first entry and scrolls the list to the top */
+void
+listbox_select_first (WListbox * l)
+{
+    l->pos = l->top = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Selects the last entry and scrolls the list to the bottom */
+void
+listbox_select_last (WListbox * l)
+{
+    int lines = WIDGET (l)->rect.lines;
+    int length;
+
+    length = listbox_get_length (l);
+
+    l->pos = DOZ (length, 1);
+    l->top = DOZ (length, lines);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+listbox_select_entry (WListbox * l, int dest)
+{
+    GList *le;
+    int pos;
+    gboolean top_seen = FALSE;
+
+    if (listbox_is_empty (l) || dest < 0)
+        return;
+
+    /* Special case */
+    for (pos = 0, le = g_queue_peek_head_link (l->list); le != NULL; pos++, le = g_list_next (le))
+    {
+        if (pos == l->top)
+            top_seen = TRUE;
+
+        if (pos == dest)
+        {
+            l->pos = dest;
+            if (!top_seen)
+                l->top = l->pos;
+            else
+            {
+                int lines = WIDGET (l)->rect.lines;
+
+                if (l->pos - l->top >= lines)
+                    l->top = l->pos - lines + 1;
+            }
+            return;
+        }
+    }
+
+    /* If we are unable to find it, set decent values */
+    l->pos = l->top = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+listbox_get_length (const WListbox * l)
+{
+    return listbox_is_empty (l) ? 0 : (int) g_queue_get_length (l->list);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Returns the current string text as well as the associated extra data */
+void
+listbox_get_current (WListbox * l, char **string, void **extra)
+{
+    WLEntry *e = NULL;
+    gboolean ok;
+
+    if (l != NULL)
+        e = listbox_get_nth_item (l, l->pos);
+
+    ok = (e != NULL);
+
+    if (string != NULL)
+        *string = ok ? e->text : NULL;
+
+    if (extra != NULL)
+        *extra = ok ? e->data : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WLEntry *
+listbox_get_nth_item (const WListbox * l, int pos)
+{
+    if (!listbox_is_empty (l) && pos >= 0)
+    {
+        GList *item;
+
+        item = g_queue_peek_nth_link (l->list, (guint) pos);
+        if (item != NULL)
+            return LENTRY (item->data);
+    }
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+GList *
+listbox_get_first_link (const WListbox * l)
+{
+    return (l == NULL || l->list == NULL) ? NULL : g_queue_peek_head_link (l->list);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+listbox_remove_current (WListbox * l)
+{
+    if (!listbox_is_empty (l))
+    {
+        GList *current;
+        int length;
+
+        current = g_queue_peek_nth_link (l->list, (guint) l->pos);
+        listbox_entry_free (current->data);
+        g_queue_delete_link (l->list, current);
+
+        length = g_queue_get_length (l->list);
+
+        if (length == 0)
+            l->top = l->pos = 0;
+        else if (l->pos >= length)
+            l->pos = length - 1;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+listbox_is_empty (const WListbox * l)
+{
+    return (l == NULL || l->list == NULL || g_queue_is_empty (l->list));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Set new listbox items list.
+ *
+ * @param l WListbox object
+ * @param list list of WLEntry objects
+ */
+void
+listbox_set_list (WListbox * l, GQueue * list)
+{
+    listbox_remove_list (l);
+
+    if (l != NULL)
+        l->list = list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+listbox_remove_list (WListbox * l)
+{
+    if (l != NULL)
+    {
+        if (l->list != NULL)
+        {
+            g_queue_free_full (l->list, (GDestroyNotify) listbox_entry_free);
+            l->list = NULL;
+        }
+
+        l->pos = l->top = 0;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+listbox_add_item (WListbox * l, listbox_append_t pos, int hotkey, const char *text, void *data,
+                  gboolean free_data)
+{
+    WLEntry *entry;
+
+    if (l == NULL)
+        return NULL;
+
+    if (!l->allow_duplicates && (listbox_search_text (l, text) >= 0))
+        return NULL;
+
+    entry = g_new (WLEntry, 1);
+    entry->text = g_strdup (text);
+    entry->data = data;
+    entry->free_data = free_data;
+    entry->hotkey = hotkey;
+
+    listbox_append_item (l, entry, pos);
+
+    return entry->text;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/listbox.h b/lib/widget/listbox.h
new file mode 100644
index 0000000..8b2236e
--- /dev/null
+++ b/lib/widget/listbox.h
@@ -0,0 +1,82 @@
+
+/** \file listbox.h
+ *  \brief Header: WListbox widget
+ */
+
+#ifndef MC__WIDGET_LISTBOX_H
+#define MC__WIDGET_LISTBOX_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define LISTBOX(x) ((WListbox *)(x))
+#define LENTRY(x) ((WLEntry *)(x))
+
+/*** enums ***************************************************************************************/
+
+/* callback should return one of the following values */
+typedef enum
+{
+    LISTBOX_CONT,               /* continue */
+    LISTBOX_DONE                /* finish dialog */
+} lcback_ret_t;
+
+typedef enum
+{
+    LISTBOX_APPEND_AT_END = 0,  /* append at the end */
+    LISTBOX_APPEND_BEFORE,      /* insert before current */
+    LISTBOX_APPEND_AFTER,       /* insert after current */
+    LISTBOX_APPEND_SORTED       /* insert alphabetically */
+} listbox_append_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct WListbox;
+typedef lcback_ret_t (*lcback_fn) (struct WListbox * l);
+
+typedef struct WLEntry
+{
+    char *text;                 /* Text to display */
+    int hotkey;
+    void *data;                 /* Client information */
+    gboolean free_data;         /* Whether to free the data on entry's removal */
+} WLEntry;
+
+typedef struct WListbox
+{
+    Widget widget;
+    GQueue *list;               /* Pointer to the list of WLEntry */
+    int pos;                    /* The current element displayed */
+    int top;                    /* The first element displayed */
+    gboolean allow_duplicates;  /* Do we allow duplicates on the list? */
+    gboolean scrollbar;         /* Draw a scrollbar? */
+    gboolean deletable;         /* Can list entries be deleted? */
+    lcback_fn callback;         /* The callback function */
+    int cursor_x, cursor_y;     /* Cache the values */
+} WListbox;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern const global_keymap_t *listbox_map;
+
+/*** declarations of public functions ************************************************************/
+
+WListbox *listbox_new (int y, int x, int height, int width, gboolean deletable, lcback_fn callback);
+int listbox_search_text (WListbox * l, const char *text);
+int listbox_search_data (WListbox * l, const void *data);
+void listbox_select_first (WListbox * l);
+void listbox_select_last (WListbox * l);
+void listbox_select_entry (WListbox * l, int dest);
+int listbox_get_length (const WListbox * l);
+void listbox_get_current (WListbox * l, char **string, void **extra);
+WLEntry *listbox_get_nth_item (const WListbox * l, int pos);
+GList *listbox_get_first_link (const WListbox * l);
+void listbox_remove_current (WListbox * l);
+gboolean listbox_is_empty (const WListbox * l);
+void listbox_set_list (WListbox * l, GQueue * list);
+void listbox_remove_list (WListbox * l);
+char *listbox_add_item (WListbox * l, listbox_append_t pos, int hotkey, const char *text,
+                        void *data, gboolean free_data);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_LISTBOX_H */
diff --git a/lib/widget/menu.c b/lib/widget/menu.c
new file mode 100644
index 0000000..32ee74c
--- /dev/null
+++ b/lib/widget/menu.c
@@ -0,0 +1,1092 @@
+/*
+   Pulldown menu code
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2012-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file menu.c
+ *  \brief Source: pulldown menu code
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/skin.h"
+#include "lib/tty/key.h"        /* key macros */
+#include "lib/strutil.h"
+#include "lib/widget.h"
+#include "lib/event.h"          /* mc_event_raise() */
+
+/*** global variables ****************************************************************************/
+
+const global_keymap_t *menu_map = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define MENUENTRY(x) ((menu_entry_t *)(x))
+#define MENU(x) ((menu_t *)(x))
+
+/*** file scope type declarations ****************************************************************/
+
+struct menu_entry_t
+{
+    unsigned char first_letter;
+    hotkey_t text;
+    long command;
+    char *shortcut;
+};
+
+struct menu_t
+{
+    int start_x;                /* position relative to menubar start */
+    hotkey_t text;
+    GList *entries;
+    size_t max_entry_len;       /* cached max length of entry texts (text + shortcut) */
+    size_t max_hotkey_len;      /* cached max length of shortcuts */
+    unsigned int selected;      /* pointer to current menu entry */
+    char *help_node;
+};
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menu_arrange (menu_t * menu, dlg_shortcut_str get_shortcut)
+{
+    if (menu != NULL)
+    {
+        GList *i;
+        size_t max_shortcut_len = 0;
+
+        menu->max_entry_len = 1;
+        menu->max_hotkey_len = 1;
+
+        for (i = menu->entries; i != NULL; i = g_list_next (i))
+        {
+            menu_entry_t *entry = MENUENTRY (i->data);
+
+            if (entry != NULL)
+            {
+                size_t len;
+
+                len = (size_t) hotkey_width (entry->text);
+                menu->max_hotkey_len = MAX (menu->max_hotkey_len, len);
+
+                if (get_shortcut != NULL)
+                    entry->shortcut = get_shortcut (entry->command);
+
+                if (entry->shortcut != NULL)
+                {
+                    len = (size_t) str_term_width1 (entry->shortcut);
+                    max_shortcut_len = MAX (max_shortcut_len, len);
+                }
+            }
+        }
+
+        menu->max_entry_len = menu->max_hotkey_len + max_shortcut_len;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_paint_idx (const WMenuBar * menubar, unsigned int idx, int color)
+{
+    const WRect *w = &CONST_WIDGET (menubar)->rect;
+    const menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    const menu_entry_t *entry = MENUENTRY (g_list_nth_data (menu->entries, idx));
+    const int y = 2 + idx;
+    int x = menu->start_x;
+
+    if (x + menu->max_entry_len + 4 > (gsize) w->cols)
+        x = w->cols - menu->max_entry_len - 4;
+
+    if (entry == NULL)
+    {
+        /* menu separator */
+        tty_setcolor (MENU_ENTRY_COLOR);
+
+        widget_gotoyx (menubar, y, x - 1);
+        tty_print_alt_char (ACS_LTEE, FALSE);
+        tty_draw_hline (w->y + y, w->x + x, ACS_HLINE, menu->max_entry_len + 3);
+        widget_gotoyx (menubar, y, x + menu->max_entry_len + 3);
+        tty_print_alt_char (ACS_RTEE, FALSE);
+    }
+    else
+    {
+        int yt, xt;
+
+        /* menu text */
+        tty_setcolor (color);
+        widget_gotoyx (menubar, y, x);
+        tty_print_char ((unsigned char) entry->first_letter);
+        tty_getyx (&yt, &xt);
+        tty_draw_hline (yt, xt, ' ', menu->max_entry_len + 2);  /* clear line */
+        tty_print_string (entry->text.start);
+
+        if (entry->text.hotkey != NULL)
+        {
+            tty_setcolor (color == MENU_SELECTED_COLOR ? MENU_HOTSEL_COLOR : MENU_HOT_COLOR);
+            tty_print_string (entry->text.hotkey);
+            tty_setcolor (color);
+        }
+
+        if (entry->text.end != NULL)
+            tty_print_string (entry->text.end);
+
+        if (entry->shortcut != NULL)
+        {
+            widget_gotoyx (menubar, y, x + menu->max_hotkey_len + 3);
+            tty_print_string (entry->shortcut);
+        }
+
+        /* move cursor to the start of entry text */
+        widget_gotoyx (menubar, y, x + 1);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_draw_drop (const WMenuBar * menubar)
+{
+    const WRect *w = &CONST_WIDGET (menubar)->rect;
+    const menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    const unsigned int count = g_list_length (menu->entries);
+    int column = menu->start_x - 1;
+    unsigned int i;
+
+    if (column + menu->max_entry_len + 5 > (gsize) w->cols)
+        column = w->cols - menu->max_entry_len - 5;
+
+    if (mc_global.tty.shadows)
+        tty_draw_box_shadow (w->y + 1, w->x + column, count + 2, menu->max_entry_len + 5,
+                             SHADOW_COLOR);
+
+    tty_setcolor (MENU_ENTRY_COLOR);
+    tty_draw_box (w->y + 1, w->x + column, count + 2, menu->max_entry_len + 5, FALSE);
+
+    for (i = 0; i < count; i++)
+        menubar_paint_idx (menubar, i,
+                           i == menu->selected ? MENU_SELECTED_COLOR : MENU_ENTRY_COLOR);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_set_color (const WMenuBar * menubar, gboolean current, gboolean hotkey)
+{
+    if (!widget_get_state (CONST_WIDGET (menubar), WST_FOCUSED))
+        tty_setcolor (MENU_INACTIVE_COLOR);
+    else if (current)
+        tty_setcolor (hotkey ? MENU_HOTSEL_COLOR : MENU_SELECTED_COLOR);
+    else
+        tty_setcolor (hotkey ? MENU_HOT_COLOR : MENU_ENTRY_COLOR);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_draw (const WMenuBar * menubar)
+{
+    const WRect *w = &CONST_WIDGET (menubar)->rect;
+    GList *i;
+
+    /* First draw the complete menubar */
+    tty_setcolor (widget_get_state (WIDGET (menubar), WST_FOCUSED) ? MENU_ENTRY_COLOR :
+                  MENU_INACTIVE_COLOR);
+    tty_draw_hline (w->y, w->x, ' ', w->cols);
+
+    /* Now each one of the entries */
+    for (i = menubar->menu; i != NULL; i = g_list_next (i))
+    {
+        menu_t *menu = MENU (i->data);
+        gboolean is_selected = (menubar->selected == (gsize) g_list_position (menubar->menu, i));
+
+        menubar_set_color (menubar, is_selected, FALSE);
+        widget_gotoyx (menubar, 0, menu->start_x);
+
+        tty_print_char (' ');
+        tty_print_string (menu->text.start);
+
+        if (menu->text.hotkey != NULL)
+        {
+            menubar_set_color (menubar, is_selected, TRUE);
+            tty_print_string (menu->text.hotkey);
+            menubar_set_color (menubar, is_selected, FALSE);
+        }
+
+        if (menu->text.end != NULL)
+            tty_print_string (menu->text.end);
+
+        tty_print_char (' ');
+    }
+
+    if (menubar->is_dropped)
+        menubar_draw_drop (menubar);
+    else
+        widget_gotoyx (menubar, 0,
+                       MENU (g_list_nth_data (menubar->menu, menubar->selected))->start_x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_remove (WMenuBar * menubar)
+{
+    Widget *g;
+
+    if (!menubar->is_dropped)
+        return;
+
+    /* HACK: before refresh the dialog, change the current widget to keep the order
+       of overlapped widgets. This is useful in multi-window editor.
+       In general, menubar should be a special object, not an ordinary widget
+       in the current dialog. */
+    g = WIDGET (WIDGET (menubar)->owner);
+    GROUP (g)->current = widget_find (g, widget_find_by_id (g, menubar->previous_widget));
+
+    menubar->is_dropped = FALSE;
+    do_refresh ();
+    menubar->is_dropped = TRUE;
+
+    /* restore current widget */
+    GROUP (g)->current = widget_find (g, WIDGET (menubar));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_left (WMenuBar * menubar)
+{
+    menubar_remove (menubar);
+    if (menubar->selected == 0)
+        menubar->selected = g_list_length (menubar->menu) - 1;
+    else
+        menubar->selected--;
+    menubar_draw (menubar);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_right (WMenuBar * menubar)
+{
+    menubar_remove (menubar);
+    menubar->selected = (menubar->selected + 1) % g_list_length (menubar->menu);
+    menubar_draw (menubar);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_finish (WMenuBar * menubar)
+{
+    Widget *w = WIDGET (menubar);
+
+    menubar->is_dropped = FALSE;
+    w->rect.lines = 1;
+    widget_want_hotkey (w, FALSE);
+    widget_set_options (w, WOP_SELECTABLE, FALSE);
+
+    if (!mc_global.keybar_visible)
+        widget_hide (w);
+    else
+    {
+        /* Move the menubar to the bottom so that widgets displayed on top of
+         * an "invisible" menubar get the first chance to respond to mouse events. */
+        widget_set_bottom (w);
+    }
+
+    /* background must be bottom */
+    if (DIALOG (w->owner)->bg != NULL)
+        widget_set_bottom (WIDGET (DIALOG (w->owner)->bg));
+
+    group_select_widget_by_id (w->owner, menubar->previous_widget);
+    do_refresh ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_drop (WMenuBar * menubar, unsigned int selected)
+{
+    menubar->is_dropped = TRUE;
+    menubar->selected = selected;
+    menubar_draw (menubar);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_execute (WMenuBar * menubar)
+{
+    const menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    const menu_entry_t *entry = MENUENTRY (g_list_nth_data (menu->entries, menu->selected));
+
+    if ((entry != NULL) && (entry->command != CK_IgnoreKey))
+    {
+        Widget *w = WIDGET (menubar);
+
+        mc_global.widget.is_right = (menubar->selected != 0);
+        menubar_finish (menubar);
+        send_message (w->owner, w, MSG_ACTION, entry->command, NULL);
+        do_refresh ();
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_down (WMenuBar * menubar)
+{
+    menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    const unsigned int len = g_list_length (menu->entries);
+    menu_entry_t *entry;
+
+    menubar_paint_idx (menubar, menu->selected, MENU_ENTRY_COLOR);
+
+    do
+    {
+        menu->selected = (menu->selected + 1) % len;
+        entry = MENUENTRY (g_list_nth_data (menu->entries, menu->selected));
+    }
+    while ((entry == NULL) || (entry->command == CK_IgnoreKey));
+
+    menubar_paint_idx (menubar, menu->selected, MENU_SELECTED_COLOR);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_up (WMenuBar * menubar)
+{
+    menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    const unsigned int len = g_list_length (menu->entries);
+    menu_entry_t *entry;
+
+    menubar_paint_idx (menubar, menu->selected, MENU_ENTRY_COLOR);
+
+    do
+    {
+        if (menu->selected == 0)
+            menu->selected = len - 1;
+        else
+            menu->selected--;
+        entry = MENUENTRY (g_list_nth_data (menu->entries, menu->selected));
+    }
+    while ((entry == NULL) || (entry->command == CK_IgnoreKey));
+
+    menubar_paint_idx (menubar, menu->selected, MENU_SELECTED_COLOR);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_first (WMenuBar * menubar)
+{
+    if (menubar->is_dropped)
+    {
+        menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+
+        if (menu->selected == 0)
+            return;
+
+        menubar_paint_idx (menubar, menu->selected, MENU_ENTRY_COLOR);
+
+        menu->selected = 0;
+
+        while (TRUE)
+        {
+            menu_entry_t *entry;
+
+            entry = MENUENTRY (g_list_nth_data (menu->entries, menu->selected));
+
+            if ((entry == NULL) || (entry->command == CK_IgnoreKey))
+                menu->selected++;
+            else
+                break;
+        }
+
+        menubar_paint_idx (menubar, menu->selected, MENU_SELECTED_COLOR);
+    }
+    else
+    {
+        menubar->selected = 0;
+        menubar_draw (menubar);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_last (WMenuBar * menubar)
+{
+    if (menubar->is_dropped)
+    {
+        menu_t *menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+        const unsigned int len = g_list_length (menu->entries);
+        menu_entry_t *entry;
+
+        if (menu->selected == len - 1)
+            return;
+
+        menubar_paint_idx (menubar, menu->selected, MENU_ENTRY_COLOR);
+
+        menu->selected = len;
+
+        do
+        {
+            menu->selected--;
+            entry = MENUENTRY (g_list_nth_data (menu->entries, menu->selected));
+        }
+        while ((entry == NULL) || (entry->command == CK_IgnoreKey));
+
+        menubar_paint_idx (menubar, menu->selected, MENU_SELECTED_COLOR);
+    }
+    else
+    {
+        menubar->selected = g_list_length (menubar->menu) - 1;
+        menubar_draw (menubar);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+menubar_try_drop_menu (WMenuBar * menubar, int hotkey)
+{
+    GList *i;
+
+    for (i = menubar->menu; i != NULL; i = g_list_next (i))
+    {
+        menu_t *menu = MENU (i->data);
+
+        if (menu->text.hotkey != NULL && hotkey == g_ascii_tolower (menu->text.hotkey[0]))
+        {
+            menubar_drop (menubar, g_list_position (menubar->menu, i));
+            return MSG_HANDLED;
+        }
+    }
+
+    return MSG_NOT_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+menubar_try_exec_menu (WMenuBar * menubar, int hotkey)
+{
+    menu_t *menu;
+    GList *i;
+
+    menu = g_list_nth_data (menubar->menu, menubar->selected);
+
+    for (i = menu->entries; i != NULL; i = g_list_next (i))
+    {
+        const menu_entry_t *entry = MENUENTRY (i->data);
+
+        if (entry != NULL && entry->text.hotkey != NULL
+            && hotkey == g_ascii_tolower (entry->text.hotkey[0]))
+        {
+            menu->selected = g_list_position (menu->entries, i);
+            menubar_execute (menubar);
+            return MSG_HANDLED;
+        }
+    }
+
+    return MSG_NOT_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+menubar_execute_cmd (WMenuBar * menubar, long command)
+{
+    cb_ret_t ret = MSG_HANDLED;
+
+    switch (command)
+    {
+    case CK_Help:
+        {
+            ev_help_t event_data = { NULL, NULL };
+
+            if (menubar->is_dropped)
+                event_data.node =
+                    MENU (g_list_nth_data (menubar->menu, menubar->selected))->help_node;
+            else
+                event_data.node = "[Menu Bar]";
+
+            mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
+            menubar_draw (menubar);
+        }
+        break;
+
+    case CK_Left:
+        menubar_left (menubar);
+        break;
+    case CK_Right:
+        menubar_right (menubar);
+        break;
+    case CK_Up:
+        if (menubar->is_dropped)
+            menubar_up (menubar);
+        break;
+    case CK_Down:
+        if (menubar->is_dropped)
+            menubar_down (menubar);
+        else
+            menubar_drop (menubar, menubar->selected);
+        break;
+    case CK_Home:
+        menubar_first (menubar);
+        break;
+    case CK_End:
+        menubar_last (menubar);
+        break;
+
+    case CK_Enter:
+        if (menubar->is_dropped)
+            menubar_execute (menubar);
+        else
+            menubar_drop (menubar, menubar->selected);
+        break;
+    case CK_Quit:
+        menubar_finish (menubar);
+        break;
+
+    default:
+        ret = MSG_NOT_HANDLED;
+        break;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+menubar_handle_key (WMenuBar * menubar, int key)
+{
+    long cmd;
+    cb_ret_t ret = MSG_NOT_HANDLED;
+
+    cmd = widget_lookup_key (WIDGET (menubar), key);
+
+    if (cmd != CK_IgnoreKey)
+        ret = menubar_execute_cmd (menubar, cmd);
+
+    if (ret != MSG_HANDLED)
+    {
+        if (menubar->is_dropped)
+            ret = menubar_try_exec_menu (menubar, key);
+        else
+            ret = menubar_try_drop_menu (menubar, key);
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+menubar_refresh (WMenuBar * menubar)
+{
+    Widget *w = WIDGET (menubar);
+
+    if (!widget_get_state (w, WST_FOCUSED))
+        return FALSE;
+
+    /* Trick to get all the mouse events */
+    w->rect.lines = LINES;
+
+    /* Trick to get all of the hotkeys */
+    widget_want_hotkey (w, TRUE);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+menubar_free_menu (WMenuBar * menubar)
+{
+    g_clear_list (&menubar->menu, (GDestroyNotify) destroy_menu);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+menubar_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WMenuBar *menubar = MENUBAR (w);
+
+    switch (msg)
+    {
+        /* We do not want the focus unless we have been activated */
+    case MSG_FOCUS:
+        if (menubar_refresh (menubar))
+        {
+            menubar_draw (menubar);
+            return MSG_HANDLED;
+        }
+        return MSG_NOT_HANDLED;
+
+    case MSG_UNFOCUS:
+        return widget_get_state (w, WST_FOCUSED) ? MSG_NOT_HANDLED : MSG_HANDLED;
+
+        /* We don't want the buttonbar to activate while using the menubar */
+    case MSG_HOTKEY:
+    case MSG_KEY:
+        if (widget_get_state (w, WST_FOCUSED))
+        {
+            menubar_handle_key (menubar, parm);
+            return MSG_HANDLED;
+        }
+        return MSG_NOT_HANDLED;
+
+    case MSG_CURSOR:
+        /* Put the cursor in a suitable place */
+        return MSG_NOT_HANDLED;
+
+    case MSG_DRAW:
+        if (widget_get_state (w, WST_VISIBLE) || menubar_refresh (menubar))
+            menubar_draw (menubar);
+        return MSG_HANDLED;
+
+    case MSG_RESIZE:
+        /* try show menu after screen resize */
+        widget_default_callback (w, NULL, MSG_RESIZE, 0, data);
+        menubar_refresh (menubar);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        menubar_free_menu (menubar);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static unsigned int
+menubar_get_menu_by_x_coord (const WMenuBar * menubar, int x)
+{
+    unsigned int i;
+    GList *menu;
+
+    for (i = 0, menu = menubar->menu;
+         menu != NULL && x >= MENU (menu->data)->start_x; i++, menu = g_list_next (menu))
+        ;
+
+    /* Don't set the invalid value -1 */
+    if (i != 0)
+        i--;
+
+    return i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+menubar_mouse_on_menu (const WMenuBar * menubar, int y, int x)
+{
+    const WRect *w = &CONST_WIDGET (menubar)->rect;
+    menu_t *menu;
+    int left_x, right_x, bottom_y;
+
+    if (!menubar->is_dropped)
+        return FALSE;
+
+    menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    left_x = menu->start_x;
+    right_x = left_x + menu->max_entry_len + 3;
+    if (right_x > w->cols)
+    {
+        left_x = w->cols - (menu->max_entry_len + 3);
+        right_x = w->cols;
+    }
+
+    bottom_y = g_list_length (menu->entries) + 2;       /* skip bar and top frame */
+
+    return (x >= left_x && x < right_x && y > 1 && y < bottom_y);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_change_selected_item (WMenuBar * menubar, int y)
+{
+    menu_t *menu;
+    menu_entry_t *entry;
+
+    y -= 2;                     /* skip bar and top frame */
+    menu = MENU (g_list_nth_data (menubar->menu, menubar->selected));
+    entry = MENUENTRY (g_list_nth_data (menu->entries, y));
+
+    if (entry != NULL && entry->command != CK_IgnoreKey)
+    {
+        menubar_paint_idx (menubar, menu->selected, MENU_ENTRY_COLOR);
+        menu->selected = y;
+        menubar_paint_idx (menubar, menu->selected, MENU_SELECTED_COLOR);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+menubar_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    static gboolean was_drag = FALSE;
+
+    WMenuBar *menubar = MENUBAR (w);
+    gboolean mouse_on_drop;
+
+    mouse_on_drop = menubar_mouse_on_menu (menubar, event->y, event->x);
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        was_drag = FALSE;
+
+        if (event->y == 0)
+        {
+            /* events on menubar */
+            unsigned int selected;
+
+            selected = menubar_get_menu_by_x_coord (menubar, event->x);
+            menubar_activate (menubar, TRUE, selected);
+            menubar_remove (menubar);   /* if already shown */
+            menubar_drop (menubar, selected);
+        }
+        else if (mouse_on_drop)
+            menubar_change_selected_item (menubar, event->y);
+        else
+        {
+            /* mouse click outside menubar or dropdown -- close menu */
+            menubar_finish (menubar);
+
+            /*
+             * @FIXME.
+             *
+             * Unless we clear the 'capture' flag, we'll receive MSG_MOUSE_DRAG
+             * events belonging to this click (in case the user drags the mouse,
+             * of course).
+             *
+             * For the time being, we mark this with FIXME as this flag should
+             * preferably be regarded as "implementation detail" and not be
+             * touched by us. We should think of some other way of communicating
+             * this to the system.
+             */
+            w->mouse.capture = FALSE;
+        }
+        break;
+
+    case MSG_MOUSE_UP:
+        if (was_drag && mouse_on_drop)
+            menubar_execute (menubar);
+        was_drag = FALSE;
+        break;
+
+    case MSG_MOUSE_CLICK:
+        was_drag = FALSE;
+
+        if ((event->buttons & GPM_B_MIDDLE) != 0 && event->y > 0 && menubar->is_dropped)
+        {
+            /* middle click -- everywhere */
+            menubar_execute (menubar);
+        }
+        else if (mouse_on_drop)
+            menubar_execute (menubar);
+        else if (event->y > 0)
+            /* releasing the mouse button outside the menu -- close menu */
+            menubar_finish (menubar);
+        break;
+
+    case MSG_MOUSE_DRAG:
+        if (event->y == 0)
+        {
+            menubar_remove (menubar);
+            menubar_drop (menubar, menubar_get_menu_by_x_coord (menubar, event->x));
+        }
+        else if (mouse_on_drop)
+            menubar_change_selected_item (menubar, event->y);
+
+        was_drag = TRUE;
+        break;
+
+    case MSG_MOUSE_SCROLL_UP:
+    case MSG_MOUSE_SCROLL_DOWN:
+        was_drag = FALSE;
+
+        if (widget_get_state (w, WST_FOCUSED))
+        {
+            if (event->y == 0)
+            {
+                /* menubar: left/right */
+                if (msg == MSG_MOUSE_SCROLL_UP)
+                    menubar_left (menubar);
+                else
+                    menubar_right (menubar);
+            }
+            else if (mouse_on_drop)
+            {
+                /* drop-down menu: up/down */
+                if (msg == MSG_MOUSE_SCROLL_UP)
+                    menubar_up (menubar);
+                else
+                    menubar_down (menubar);
+            }
+        }
+        break;
+
+    default:
+        was_drag = FALSE;
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+menu_entry_t *
+menu_entry_create (const char *name, long command)
+{
+    menu_entry_t *entry;
+
+    entry = g_new (menu_entry_t, 1);
+    entry->first_letter = ' ';
+    entry->text = hotkey_new (name);
+    entry->command = command;
+    entry->shortcut = NULL;
+
+    return entry;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+menu_entry_free (menu_entry_t * entry)
+{
+    if (entry != NULL)
+    {
+        hotkey_free (entry->text);
+        g_free (entry->shortcut);
+        g_free (entry);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+menu_t *
+create_menu (const char *name, GList * entries, const char *help_node)
+{
+    menu_t *menu;
+
+    menu = g_new (menu_t, 1);
+    menu->start_x = 0;
+    menu->text = hotkey_new (name);
+    menu->entries = entries;
+    menu->max_entry_len = 1;
+    menu->max_hotkey_len = 0;
+    menu->selected = 0;
+    menu->help_node = g_strdup (help_node);
+
+    return menu;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+menu_set_name (menu_t * menu, const char *name)
+{
+    hotkey_free (menu->text);
+    menu->text = hotkey_new (name);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+destroy_menu (menu_t * menu)
+{
+    hotkey_free (menu->text);
+    g_list_free_full (menu->entries, (GDestroyNotify) menu_entry_free);
+    g_free (menu->help_node);
+    g_free (menu);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WMenuBar *
+menubar_new (GList * menu)
+{
+    WRect r = { 0, 0, 1, COLS };
+    WMenuBar *menubar;
+    Widget *w;
+
+    menubar = g_new0 (WMenuBar, 1);
+    w = WIDGET (menubar);
+    widget_init (w, &r, menubar_callback, menubar_mouse_callback);
+    w->pos_flags = WPOS_KEEP_HORZ | WPOS_KEEP_TOP;
+    /* initially, menubar is not selectable */
+    widget_set_options (w, WOP_SELECTABLE, FALSE);
+    w->options |= WOP_TOP_SELECT;
+    w->keymap = menu_map;
+    menubar_set_menu (menubar, menu);
+
+    return menubar;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+menubar_set_menu (WMenuBar * menubar, GList * menu)
+{
+    /* delete previous menu */
+    menubar_free_menu (menubar);
+    /* add new menu */
+    menubar->is_dropped = FALSE;
+    menubar->menu = menu;
+    menubar->selected = 0;
+    menubar_arrange (menubar);
+    widget_set_state (WIDGET (menubar), WST_FOCUSED, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+menubar_add_menu (WMenuBar * menubar, menu_t * menu)
+{
+    if (menu != NULL)
+    {
+        menu_arrange (menu, DIALOG (WIDGET (menubar)->owner)->get_shortcut);
+        menubar->menu = g_list_append (menubar->menu, menu);
+    }
+
+    menubar_arrange (menubar);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Properly space menubar items. Should be called when menubar is created
+ * and also when widget width is changed (i.e. upon xterm resize).
+ */
+
+void
+menubar_arrange (WMenuBar * menubar)
+{
+    int start_x = 1;
+    GList *i;
+    int gap;
+
+    if (menubar->menu == NULL)
+        return;
+
+    gap = WIDGET (menubar)->rect.cols - 2;
+
+    /* First, calculate gap between items... */
+    for (i = menubar->menu; i != NULL; i = g_list_next (i))
+    {
+        menu_t *menu = MENU (i->data);
+
+        /* preserve length here, to be used below */
+        menu->start_x = hotkey_width (menu->text) + 2;
+        gap -= menu->start_x;
+    }
+
+    if (g_list_next (menubar->menu) == NULL)
+        gap = 1;
+    else
+        gap /= (g_list_length (menubar->menu) - 1);
+
+    if (gap <= 0)
+    {
+        /* We are out of luck - window is too narrow... */
+        gap = 1;
+    }
+    else if (gap >= 3)
+        gap = 3;
+
+    /* ...and now fix start positions of menubar items */
+    for (i = menubar->menu; i != NULL; i = g_list_next (i))
+    {
+        menu_t *menu = MENU (i->data);
+        int len = menu->start_x;
+
+        menu->start_x = start_x;
+        start_x += len + gap;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Find MenuBar widget in the dialog */
+
+WMenuBar *
+find_menubar (const WDialog * h)
+{
+    return MENUBAR (widget_find_by_type (CONST_WIDGET (h), menubar_callback));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Activate menu bar.
+ *
+ * @param menubar menu bar object
+ * @param dropped whether dropdown menus should be drooped or not
+ * @which number of active dropdown menu
+ */
+void
+menubar_activate (WMenuBar * menubar, gboolean dropped, int which)
+{
+    Widget *w = WIDGET (menubar);
+
+    widget_show (w);
+
+    if (!widget_get_state (w, WST_FOCUSED))
+    {
+        widget_set_options (w, WOP_SELECTABLE, TRUE);
+
+        menubar->is_dropped = dropped;
+        if (which >= 0)
+            menubar->selected = (guint) which;
+
+        menubar->previous_widget = group_get_current_widget_id (w->owner);
+
+        /* Bring it to the top so it receives all mouse events before any other widget.
+         * See also comment in menubar_finish(). */
+        widget_select (w);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/menu.h b/lib/widget/menu.h
new file mode 100644
index 0000000..3fc241c
--- /dev/null
+++ b/lib/widget/menu.h
@@ -0,0 +1,63 @@
+/*
+   Header file for pulldown menu engine for Midnignt Commander
+ */
+
+/** \file menu.h
+ *  \brief Header: pulldown menu code
+ */
+
+#ifndef MC__WIDGET_MENU_H
+#define MC__WIDGET_MENU_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define MENUBAR(x) ((WMenuBar *)(x))
+
+#define menu_separator_create() NULL
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+struct menu_entry_t;
+typedef struct menu_entry_t menu_entry_t;
+
+struct menu_t;
+typedef struct menu_t menu_t;
+
+/* The button bar menu */
+typedef struct WMenuBar
+{
+    Widget widget;
+
+    gboolean is_dropped;        /* If the menubar has dropped */
+    GList *menu;                /* The actual menus */
+    guint selected;             /* Selected menu on the top bar */
+    unsigned long previous_widget;      /* Selected widget ID before activating menu */
+} WMenuBar;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern const global_keymap_t *menu_map;
+
+/*** declarations of public functions ************************************************************/
+
+menu_entry_t *menu_entry_create (const char *name, long command);
+void menu_entry_free (menu_entry_t * me);
+
+menu_t *create_menu (const char *name, GList * entries, const char *help_node);
+void menu_set_name (menu_t * menu, const char *name);
+void destroy_menu (menu_t * menu);
+
+WMenuBar *menubar_new (GList * menu);
+void menubar_set_menu (WMenuBar * menubar, GList * menu);
+void menubar_add_menu (WMenuBar * menubar, menu_t * menu);
+void menubar_arrange (WMenuBar * menubar);
+
+WMenuBar *find_menubar (const WDialog * h);
+
+void menubar_activate (WMenuBar * menubar, gboolean dropped, int which);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_MENU_H */
diff --git a/lib/widget/mouse.c b/lib/widget/mouse.c
new file mode 100644
index 0000000..0c573e8
--- /dev/null
+++ b/lib/widget/mouse.c
@@ -0,0 +1,225 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 2016-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Human beings.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file mouse.c
+ *  \brief Header: High-level mouse API
+ */
+
+#include <config.h>
+
+#include "lib/global.h"
+#include "lib/widget.h"
+
+#include "lib/widget/mouse.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Constructs a mouse event structure.
+ *
+ * It receives a Gpm_Event event and translates it into a higher level protocol.
+ *
+ * Tip: for details on the C mouse API, see MC's lib/tty/mouse.h,
+ * or GPM's excellent 'info' manual:
+ *
+ *    http://www.fifi.org/cgi-bin/info2www?(gpm)Event+Types
+ */
+static void
+init_mouse_event (mouse_event_t * event, mouse_msg_t msg, const Gpm_Event * global_gpm,
+                  const Widget * w)
+{
+    event->msg = msg;
+    event->x = global_gpm->x - w->rect.x - 1;   /* '-1' because Gpm_Event is 1-based. */
+    event->y = global_gpm->y - w->rect.y - 1;
+    event->count = global_gpm->type & (GPM_SINGLE | GPM_DOUBLE | GPM_TRIPLE);
+    event->buttons = global_gpm->buttons;
+    event->result.abort = FALSE;
+    event->result.repeat = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Translate GPM event to high-level event,
+ *
+ * @param w Widget object
+ * @param event GPM event
+ *
+ * @return high level mouse event
+ */
+static mouse_event_t
+mouse_translate_event (Widget * w, Gpm_Event * event)
+{
+    gboolean in_widget;
+    mouse_msg_t msg = MSG_MOUSE_NONE;
+    mouse_event_t local;
+
+    /*
+     * Very special widgets may want to control area outside their bounds.
+     * For such widgets you will have to turn on the 'forced_capture' flag.
+     * You'll also need, in your mouse handler, to inform the system of
+     * events you want to pass on by setting 'event->result.abort' to TRUE.
+     */
+    in_widget = w->mouse.forced_capture || mouse_global_in_widget (event, w);
+
+    if ((event->type & GPM_DOWN) != 0)
+    {
+        if (in_widget)
+        {
+            if ((event->buttons & GPM_B_UP) != 0)
+                msg = MSG_MOUSE_SCROLL_UP;
+            else if ((event->buttons & GPM_B_DOWN) != 0)
+                msg = MSG_MOUSE_SCROLL_DOWN;
+            else
+            {
+                /* Handle normal buttons: anything but the mouse wheel's.
+                 *
+                 * (Note that turning on capturing for the mouse wheel
+                 * buttons doesn't make sense as they don't generate a
+                 * mouse_up event, which means we'd never get uncaptured.)
+                 */
+                w->mouse.capture = TRUE;
+                msg = MSG_MOUSE_DOWN;
+
+                w->mouse.last_buttons_down = event->buttons;
+            }
+        }
+    }
+    else if ((event->type & GPM_UP) != 0)
+    {
+        /* We trigger the mouse_up event even when !in_widget. That's
+         * because, for example, a paint application should stop drawing
+         * lines when the button is released even outside the canvas. */
+        if (w->mouse.capture)
+        {
+            w->mouse.capture = FALSE;
+            msg = MSG_MOUSE_UP;
+
+            /*
+             * When using xterm, event->buttons reports the buttons' state
+             * after the event occurred (meaning that event->buttons is zero,
+             * because the mouse button is now released). When using GPM,
+             * however, that field reports the button(s) that was released.
+             *
+             * The following makes xterm behave effectively like GPM:
+             */
+            if (event->buttons == 0)
+                event->buttons = w->mouse.last_buttons_down;
+        }
+    }
+    else if ((event->type & GPM_DRAG) != 0)
+    {
+        if (w->mouse.capture)
+            msg = MSG_MOUSE_DRAG;
+    }
+    else if ((event->type & GPM_MOVE) != 0)
+    {
+        if (in_widget)
+            msg = MSG_MOUSE_MOVE;
+    }
+
+    init_mouse_event (&local, msg, event, w);
+
+    return local;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Call widget mouse handler to process high-level mouse event.
+ *
+ * Besides sending to the widget the event itself, this function may also
+ * send one or more pseudo events. Currently, MSG_MOUSE_CLICK is the only
+ * pseudo event in existence but in the future (e.g., with the introduction
+ * of a drag-drop API) there may be more.
+ *
+ * @param w Widget object
+ * @param event high level mouse event
+ *
+ * @return result of mouse event handling
+ */
+static int
+mouse_process_event (Widget * w, mouse_event_t * event)
+{
+    int ret = MOU_UNHANDLED;
+
+    if (event->msg != MSG_MOUSE_NONE)
+    {
+        w->mouse_callback (w, event->msg, event);
+
+        /* If a widget aborts a MSG_MOUSE_DOWN, we uncapture it so it
+         * doesn't steal events from other widgets. */
+        if (event->msg == MSG_MOUSE_DOWN && event->result.abort)
+            w->mouse.capture = FALSE;
+
+        /* Upon releasing the mouse button: if the mouse hasn't been dragged
+         * since the MSG_MOUSE_DOWN, we also trigger a click. */
+        if (event->msg == MSG_MOUSE_UP && w->mouse.last_msg == MSG_MOUSE_DOWN)
+            w->mouse_callback (w, MSG_MOUSE_CLICK, event);
+
+        /* Record the current event type for the benefit of the next event. */
+        w->mouse.last_msg = event->msg;
+
+        if (!event->result.abort)
+            ret = event->result.repeat ? MOU_REPEAT : MOU_NORMAL;
+    }
+
+    return ret;
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Translate GPM event to high-level event and process it
+ *
+ * @param w Widget object
+ * @param event GPM event
+ *
+ * @return result of mouse event handling
+ */
+int
+mouse_handle_event (Widget * w, Gpm_Event * event)
+{
+    mouse_event_t me;
+
+    me = mouse_translate_event (w, event);
+
+    return mouse_process_event (w, &me);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/mouse.h b/lib/widget/mouse.h
new file mode 100644
index 0000000..44e7b23
--- /dev/null
+++ b/lib/widget/mouse.h
@@ -0,0 +1,65 @@
+/** \file mouse.h
+ *  \brief Header: Hight-level mouse API.
+ *
+ * This is a thin layer over the low-level mouse protocol in lib/tty/mouse.h.
+ * The latter is oblivious to the regions on the screen and is therefore a
+ * bit hard to use in widgets. This layer translates the low level Gpm_Event
+ * into something that's easy to work with in widgets.
+ */
+
+#ifndef MC__WIDGET_MOUSE_H
+#define MC__WIDGET_MOUSE_H
+
+#include "lib/tty/mouse.h"      /* Gpm_Event */
+
+/*** enums ***************************************************************************************/
+
+/* Mouse messages */
+typedef enum
+{
+    /*
+     * Notes:
+     * (1) "anywhere" means "inside or outside the widget".
+     * (2) the mouse wheel is not considered "mouse button".
+     */
+    MSG_MOUSE_NONE = 0,
+    MSG_MOUSE_DOWN = 1,         /* When mouse button is pressed down inside the widget. */
+    MSG_MOUSE_UP,               /* When mouse button, previously pressed inside the widget, is released anywhere. */
+    MSG_MOUSE_CLICK,            /* When mouse button, previously pressed inside the widget, is released inside the widget. */
+    MSG_MOUSE_DRAG,             /* When a drag, initiated by button press inside the widget, occurs anywhere. */
+    MSG_MOUSE_MOVE,             /* (Not currently implemented in MC.) */
+    MSG_MOUSE_SCROLL_UP,        /* When mouse wheel is rotated away from the user. */
+    MSG_MOUSE_SCROLL_DOWN       /* When mouse wheel is rotated towards the user. */
+} mouse_msg_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* Mouse event structure. */
+typedef struct
+{
+    mouse_msg_t msg;
+
+    int x, y;                   /* Local to the widget. */
+    int buttons;                /* Bitwise-or of: GPM_B_LEFT, GPM_B_MIDDLE, GPM_B_RIGHT */
+    int count;                  /* One of: GPM_SINGLE, GPM_DOUBLE, GPM_TRIPLE */
+
+    /* A mechanism for the callback to report back: */
+    struct
+    {
+        gboolean abort;
+        gboolean repeat;
+    } result;
+} mouse_event_t;
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* Translate GPM event to high-level event and process it */
+int mouse_handle_event (Widget * w, Gpm_Event * event);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_MOUSE_H */
diff --git a/lib/widget/quick.c b/lib/widget/quick.c
new file mode 100644
index 0000000..aec3070
--- /dev/null
+++ b/lib/widget/quick.c
@@ -0,0 +1,624 @@
+/*
+   Widget based utility functions.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Miguel de Icaza, 1994, 1995, 1996
+   Radek Doulik, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1995
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file quick.c
+ *  \brief Source: quick dialog engine
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <stdio.h>              /* fprintf() */
+
+#include "lib/global.h"
+#include "lib/strutil.h"        /* str_term_width1() */
+#include "lib/util.h"           /* tilde_expand() */
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifdef ENABLE_NLS
+#define I18N(x) (x = x != NULL && *x != '\0' ? _(x) : x)
+#else
+#define I18N(x) (x = x)
+#endif
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    Widget *widget;
+    quick_widget_t *quick_widget;
+} quick_widget_item_t;
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static WInput *
+quick_create_input (int y, int x, const quick_widget_t * qw)
+{
+    WInput *in;
+
+    in = input_new (y, x, input_colors, 8, qw->u.input.text, qw->u.input.histname,
+                    qw->u.input.completion_flags);
+
+    in->is_password = qw->u.input.is_passwd;
+    in->strip_password = qw->u.input.strip_passwd;
+
+    return in;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+quick_create_labeled_input (GArray * widgets, int *y, int x, quick_widget_t * quick_widget,
+                            int *width)
+{
+    quick_widget_item_t in, label;
+
+    label.quick_widget = g_new0 (quick_widget_t, 1);
+    label.quick_widget->widget_type = quick_label;
+    label.quick_widget->options = quick_widget->options;
+    label.quick_widget->state = quick_widget->state;
+    /* FIXME: this should be turned in depend of label_location */
+    label.quick_widget->pos_flags = quick_widget->pos_flags;
+
+    switch (quick_widget->u.input.label_location)
+    {
+    case input_label_above:
+        label.widget = WIDGET (label_new (*y, x, I18N (quick_widget->u.input.label_text)));
+        *y += label.widget->rect.lines - 1;
+        g_array_append_val (widgets, label);
+
+        in.widget = WIDGET (quick_create_input (++(*y), x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        *width = MAX (label.widget->rect.cols, in.widget->rect.cols);
+        break;
+
+    case input_label_left:
+        label.widget = WIDGET (label_new (*y, x, I18N (quick_widget->u.input.label_text)));
+        g_array_append_val (widgets, label);
+
+        in.widget = WIDGET (quick_create_input (*y, x + label.widget->rect.cols + 1, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        *width = label.widget->rect.cols + in.widget->rect.cols + 1;
+        break;
+
+    case input_label_right:
+        in.widget = WIDGET (quick_create_input (*y, x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        label.widget =
+            WIDGET (label_new
+                    (*y, x + in.widget->rect.cols + 1, I18N (quick_widget->u.input.label_text)));
+        g_array_append_val (widgets, label);
+
+        *width = label.widget->rect.cols + in.widget->rect.cols + 1;
+        break;
+
+    case input_label_below:
+        in.widget = WIDGET (quick_create_input (*y, x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        label.widget = WIDGET (label_new (++(*y), x, I18N (quick_widget->u.input.label_text)));
+        *y += label.widget->rect.lines - 1;
+        g_array_append_val (widgets, label);
+
+        *width = MAX (label.widget->rect.cols, in.widget->rect.cols);
+        break;
+
+    default:
+        return;
+    }
+
+    INPUT (in.widget)->label = LABEL (label.widget);
+    /* cross references */
+    label.quick_widget->u.label.input = in.quick_widget;
+    in.quick_widget->u.input.label = label.quick_widget;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+quick_dialog_skip (quick_dialog_t * quick_dlg, int nskip)
+{
+    int len;
+    int blen = 0;
+    int x, y;                   /* current positions */
+    int y1 = 0;                 /* bottom of 1st column in case of two columns */
+    int y2 = -1;                /* start of two columns */
+    int width1 = 0;             /* width of single column */
+    int width2 = 0;             /* width of each of two columns */
+    gboolean have_groupbox = FALSE;
+    gboolean two_columns = FALSE;
+    gboolean put_buttons = FALSE;
+
+    /* x position of 1st column is 3 */
+    const int x1 = 3;
+    /* x position of 2nd column is 4 and it will be fixed later, after creation of all widgets */
+    int x2 = 4;
+
+    GArray *widgets;
+    size_t i;
+    quick_widget_t *quick_widget;
+    WGroupbox *g = NULL;
+    WDialog *dd;
+    GList *input_labels = NULL; /* Widgets not directly requested by the user. */
+    int return_val;
+
+    len = str_term_width1 (I18N (quick_dlg->title)) + 6;
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, len);
+
+    y = 1;
+    x = x1;
+
+    /* create widgets */
+    widgets = g_array_sized_new (FALSE, FALSE, sizeof (quick_widget_item_t), 8);
+
+    for (quick_widget = quick_dlg->widgets; quick_widget->widget_type != quick_end; quick_widget++)
+    {
+        quick_widget_item_t item = { NULL, quick_widget };
+        int width = 0;
+
+        switch (quick_widget->widget_type)
+        {
+        case quick_checkbox:
+            item.widget =
+                WIDGET (check_new
+                        (++y, x, *quick_widget->u.checkbox.state,
+                         I18N (quick_widget->u.checkbox.text)));
+            g_array_append_val (widgets, item);
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_button:
+            /* single button */
+            item.widget = WIDGET (button_new (++y, x, quick_widget->u.button.action,
+                                              quick_widget->u.button.action == B_ENTER ?
+                                              DEFPUSH_BUTTON : NORMAL_BUTTON,
+                                              I18N (quick_widget->u.button.text),
+                                              quick_widget->u.button.callback));
+            g_array_append_val (widgets, item);
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_input:
+            *quick_widget->u.input.result = NULL;
+            y++;
+            if (quick_widget->u.input.label_location != input_label_none)
+            {
+                quick_create_labeled_input (widgets, &y, x, quick_widget, &width);
+                input_labels = g_list_prepend (input_labels, quick_widget->u.input.label);
+            }
+            else
+            {
+                item.widget = WIDGET (quick_create_input (y, x, quick_widget));
+                g_array_append_val (widgets, item);
+                width = item.widget->rect.cols;
+            }
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_label:
+            item.widget = WIDGET (label_new (++y, x, I18N (quick_widget->u.label.text)));
+            g_array_append_val (widgets, item);
+            y += item.widget->rect.lines - 1;
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_radio:
+            {
+                WRadio *r;
+                char **items = NULL;
+
+                /* create the copy of radio_items to avoid mwmory leak */
+                items = g_new (char *, quick_widget->u.radio.count + 1);
+                for (i = 0; i < (size_t) quick_widget->u.radio.count; i++)
+                    items[i] = g_strdup (_(quick_widget->u.radio.items[i]));
+                items[i] = NULL;
+
+                r = radio_new (++y, x, quick_widget->u.radio.count, (const char **) items);
+                r->pos = r->sel = *quick_widget->u.radio.value;
+                g_strfreev (items);
+                item.widget = WIDGET (r);
+                g_array_append_val (widgets, item);
+                y += item.widget->rect.lines - 1;
+                width = item.widget->rect.cols;
+                if (g != NULL)
+                    width += 2;
+                if (two_columns)
+                    width2 = MAX (width2, width);
+                else
+                    width1 = MAX (width1, width);
+            }
+            break;
+
+        case quick_start_groupbox:
+            I18N (quick_widget->u.groupbox.title);
+            len = str_term_width1 (quick_widget->u.groupbox.title);
+            g = groupbox_new (++y, x, 1, len + 4, quick_widget->u.groupbox.title);
+            item.widget = WIDGET (g);
+            g_array_append_val (widgets, item);
+            have_groupbox = TRUE;
+            break;
+
+        case quick_stop_groupbox:
+            if (g != NULL)
+            {
+                Widget *w = WIDGET (g);
+
+                y++;
+                w->rect.lines = y + 1 - w->rect.y;
+                g = NULL;
+
+                g_array_append_val (widgets, item);
+            }
+            break;
+
+        case quick_separator:
+            y++;
+            if (quick_widget->u.separator.line)
+            {
+                item.widget = WIDGET (hline_new (y, x, 1));
+                g_array_append_val (widgets, item);
+            }
+            break;
+
+        case quick_start_columns:
+            y2 = y;
+            g_array_append_val (widgets, item);
+            two_columns = TRUE;
+            break;
+
+        case quick_next_column:
+            x = x2;
+            y1 = y;
+            y = y2;
+            break;
+
+        case quick_stop_columns:
+            x = x1;
+            y = MAX (y1, y);
+            g_array_append_val (widgets, item);
+            two_columns = FALSE;
+            break;
+
+        case quick_buttons:
+            /* start put several buttons in bottom line */
+            if (quick_widget->u.separator.space)
+            {
+                y++;
+
+                if (quick_widget->u.separator.line)
+                    item.widget = WIDGET (hline_new (y, 1, -1));
+            }
+
+            g_array_append_val (widgets, item);
+
+            /* several buttons in bottom line */
+            y++;
+            quick_widget++;
+            for (; quick_widget->widget_type == quick_button; quick_widget++)
+            {
+                item.widget = WIDGET (button_new (y, x++, quick_widget->u.button.action,
+                                                  quick_widget->u.button.action == B_ENTER ?
+                                                  DEFPUSH_BUTTON : NORMAL_BUTTON,
+                                                  I18N (quick_widget->u.button.text),
+                                                  quick_widget->u.button.callback));
+                item.quick_widget = quick_widget;
+                g_array_append_val (widgets, item);
+                blen += item.widget->rect.cols + 1;
+            }
+
+            /* stop dialog build here */
+            blen--;
+            quick_widget->widget_type = quick_end;
+            quick_widget--;
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    /* adjust dialog width */
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, blen + 6);
+    if (have_groupbox)
+    {
+        if (width1 != 0)
+            width1 += 2;
+        if (width2 != 0)
+            width2 += 2;
+    }
+    if (width2 == 0)
+        len = width1 + 6;
+    else
+    {
+        len = width2 * 2 + 7;
+        if (width1 != 0)
+            len = MAX (len, width1 + 6);
+    }
+
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, len);
+    width1 = quick_dlg->rect.cols - 6;
+    width2 = (quick_dlg->rect.cols - 7) / 2;
+
+    if (quick_dlg->rect.x == -1 || quick_dlg->rect.y == -1)
+        dd = dlg_create (TRUE, 0, 0, y + 3, quick_dlg->rect.cols, WPOS_CENTER | WPOS_TRYUP, FALSE,
+                         dialog_colors, quick_dlg->callback, quick_dlg->mouse_callback,
+                         quick_dlg->help, quick_dlg->title);
+    else
+        dd = dlg_create (TRUE, quick_dlg->rect.y, quick_dlg->rect.x, y + 3, quick_dlg->rect.cols,
+                         WPOS_KEEP_DEFAULT, FALSE, dialog_colors, quick_dlg->callback,
+                         quick_dlg->mouse_callback, quick_dlg->help, quick_dlg->title);
+
+    /* add widgets into the dialog */
+    x2 = x1 + width2 + 1;
+    g = NULL;
+    two_columns = FALSE;
+    x = (WIDGET (dd)->rect.cols - blen) / 2;
+
+    for (i = 0; i < widgets->len; i++)
+    {
+        quick_widget_item_t *item;
+        int column_width;
+        WRect *r;
+
+        item = &g_array_index (widgets, quick_widget_item_t, i);
+        r = &item->widget->rect;
+        column_width = two_columns ? width2 : width1;
+
+        /* adjust widget width and x position */
+        switch (item->quick_widget->widget_type)
+        {
+        case quick_label:
+            {
+                quick_widget_t *input = item->quick_widget->u.label.input;
+
+                if (input != NULL && input->u.input.label_location == input_label_right)
+                {
+                    /* location of this label will be adjusted later */
+                    break;
+                }
+            }
+            MC_FALLTHROUGH;
+        case quick_checkbox:
+        case quick_radio:
+            if (r->x != x1)
+                r->x = x2;
+            if (g != NULL)
+                r->x += 2;
+            break;
+
+        case quick_button:
+            if (!put_buttons)
+            {
+                if (r->x != x1)
+                    r->x = x2;
+                if (g != NULL)
+                    r->x += 2;
+            }
+            else
+            {
+                r->x = x;
+                x += r->cols + 1;
+            }
+            break;
+
+        case quick_input:
+            {
+                Widget *label = WIDGET (INPUT (item->widget)->label);
+                int width = column_width;
+
+                if (g != NULL)
+                    width -= 4;
+
+                switch (item->quick_widget->u.input.label_location)
+                {
+                case input_label_left:
+                    /* label was adjusted before; adjust input line */
+                    r->x = label->rect.x + label->rect.cols + 1 - WIDGET (label->owner)->rect.x;
+                    r->cols = width - label->rect.cols - 1;
+                    break;
+
+                case input_label_right:
+                    if (r->x != x1)
+                        r->x = x2;
+                    if (g != NULL)
+                        r->x += 2;
+                    r->cols = width - label->rect.cols - 1;
+                    label->rect.x = r->x + r->cols + 1;
+                    break;
+
+                default:
+                    if (r->x != x1)
+                        r->x = x2;
+                    if (g != NULL)
+                        r->x += 2;
+                    r->cols = width;
+                    break;
+                }
+
+                /* forced update internal variables of input line */
+                r->lines = 1;
+                widget_set_size_rect (item->widget, r);
+            }
+            break;
+
+        case quick_start_groupbox:
+            g = GROUPBOX (item->widget);
+            if (r->x != x1)
+                r->x = x2;
+            r->cols = column_width;
+            break;
+
+        case quick_stop_groupbox:
+            g = NULL;
+            break;
+
+        case quick_separator:
+            if (item->widget != NULL)
+            {
+                if (g != NULL)
+                {
+                    Widget *wg = WIDGET (g);
+
+                    HLINE (item->widget)->auto_adjust_cols = FALSE;
+                    r->x = wg->rect.x + 1 - WIDGET (wg->owner)->rect.x;
+                    r->cols = wg->rect.cols;
+                }
+                else if (two_columns)
+                {
+                    HLINE (item->widget)->auto_adjust_cols = FALSE;
+                    if (r->x != x1)
+                        r->x = x2;
+                    r->x--;
+                    r->cols = column_width + 2;
+                }
+                else
+                    HLINE (item->widget)->auto_adjust_cols = TRUE;
+            }
+            break;
+
+        case quick_start_columns:
+            two_columns = TRUE;
+            break;
+
+        case quick_stop_columns:
+            two_columns = FALSE;
+            break;
+
+        case quick_buttons:
+            /* several buttons in bottom line */
+            put_buttons = TRUE;
+            break;
+
+        default:
+            break;
+        }
+
+        if (item->widget != NULL)
+        {
+            unsigned long id;
+
+            /* add widget into dialog */
+            item->widget->options |= item->quick_widget->options;       /* FIXME: cannot reset flags, setup only */
+            item->widget->state |= item->quick_widget->state;   /* FIXME: cannot reset flags, setup only */
+            id = group_add_widget_autopos (GROUP (dd), item->widget, item->quick_widget->pos_flags,
+                                           NULL);
+            if (item->quick_widget->id != NULL)
+                *item->quick_widget->id = id;
+        }
+    }
+
+    /* skip frame widget */
+    if (dd->bg != NULL)
+        nskip++;
+
+    while (nskip-- != 0)
+        group_set_current_widget_next (GROUP (dd));
+
+    return_val = dlg_run (dd);
+
+    /* Get the data if we found something interesting */
+    if (return_val != B_CANCEL)
+        for (i = 0; i < widgets->len; i++)
+        {
+            quick_widget_item_t *item;
+
+            item = &g_array_index (widgets, quick_widget_item_t, i);
+
+            switch (item->quick_widget->widget_type)
+            {
+            case quick_checkbox:
+                *item->quick_widget->u.checkbox.state = CHECK (item->widget)->state;
+                break;
+
+            case quick_input:
+                if ((item->quick_widget->u.input.completion_flags & INPUT_COMPLETE_CD) != 0)
+                    *item->quick_widget->u.input.result =
+                        tilde_expand (input_get_ctext (INPUT (item->widget)));
+                else
+                    *item->quick_widget->u.input.result = input_get_text (INPUT (item->widget));
+                break;
+
+            case quick_radio:
+                *item->quick_widget->u.radio.value = RADIO (item->widget)->sel;
+                break;
+
+            default:
+                break;
+            }
+        }
+
+    widget_destroy (WIDGET (dd));
+
+    g_list_free_full (input_labels, g_free);    /* destroy input labels created before */
+    g_array_free (widgets, TRUE);
+
+    return return_val;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/quick.h b/lib/widget/quick.h
new file mode 100644
index 0000000..e0dfece
--- /dev/null
+++ b/lib/widget/quick.h
@@ -0,0 +1,356 @@
+/** \file quick.h
+ *  \brief Header: quick dialog engine
+ */
+
+#ifndef MC__QUICK_H
+#define MC__QUICK_H
+
+#include "lib/tty/mouse.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define QUICK_CHECKBOX(txt, st, id_)                                            \
+{                                                                               \
+    .widget_type = quick_checkbox,                                              \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .checkbox = {                                                           \
+            .text = txt,                                                        \
+            .state = st                                                         \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_BUTTON(txt, act, cb, id_)                                         \
+{                                                                               \
+    .widget_type = quick_button,                                                \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .button = {                                                             \
+            .text = txt,                                                        \
+            .action = act,                                                      \
+            .callback = cb                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_INPUT(txt, hname, res, id_, is_passwd_, strip_passwd_, completion_flags_) \
+{                                                                               \
+    .widget_type = quick_input,                                                 \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .label_text = NULL,                                                 \
+            .label_location = input_label_none,                                 \
+            .label = NULL,                                                      \
+            .text = txt,                                                        \
+            .completion_flags = completion_flags_,                              \
+            .is_passwd = is_passwd_,                                            \
+            .strip_passwd = strip_passwd_,                                      \
+            .histname = hname,                                                  \
+            .result = res                                                       \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_LABELED_INPUT(label_, label_loc, txt, hname, res, id_, is_passwd_, strip_passwd_, completion_flags_) \
+{                                                                               \
+    .widget_type = quick_input,                                                 \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .label_text = label_,                                               \
+            .label_location = label_loc,                                        \
+            .label = NULL,                                                      \
+            .text = txt,                                                        \
+            .completion_flags = completion_flags_,                              \
+            .is_passwd = is_passwd_,                                            \
+            .strip_passwd = strip_passwd_,                                      \
+            .histname = hname,                                                  \
+            .result = res                                                       \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_LABEL(txt, id_)                                                   \
+{                                                                               \
+    .widget_type = quick_label,                                                 \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .label = {                                                              \
+            .text = txt,                                                        \
+            .input = NULL                                                       \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_RADIO(cnt, items_, val, id_)                                      \
+{                                                                               \
+    .widget_type = quick_radio,                                                 \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = id_,                                                                  \
+    .u = {                                                                      \
+        .radio = {                                                              \
+            .count = cnt,                                                       \
+            .items = items_,                                                    \
+            .value = val                                                        \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_START_GROUPBOX(t)                                                 \
+{                                                                               \
+    .widget_type = quick_start_groupbox,                                        \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .groupbox = {                                                           \
+            .title = t                                                          \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_STOP_GROUPBOX                                                     \
+{                                                                               \
+    .widget_type = quick_stop_groupbox,                                         \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .text = NULL,                                                       \
+            .histname = NULL,                                                   \
+            .result = NULL                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_SEPARATOR(line_)                                                  \
+{                                                                               \
+    .widget_type = quick_separator,                                             \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .separator = {                                                          \
+            .space = TRUE,                                                      \
+            .line = line_                                                       \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_START_COLUMNS                                                     \
+{                                                                               \
+    .widget_type = quick_start_columns,                                         \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .text = NULL,                                                       \
+            .histname = NULL,                                                   \
+            .result = NULL                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_NEXT_COLUMN                                                       \
+{                                                                               \
+    .widget_type = quick_next_column,                                           \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .text = NULL,                                                       \
+            .histname = NULL,                                                   \
+            .result = NULL                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_STOP_COLUMNS                                                      \
+{                                                                               \
+    .widget_type = quick_stop_columns,                                          \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .text = NULL,                                                       \
+            .histname = NULL,                                                   \
+            .result = NULL                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_START_BUTTONS(space_, line_)                                      \
+{                                                                               \
+    .widget_type = quick_buttons,                                               \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .separator = {                                                          \
+            .space = space_,                                                    \
+            .line = line_                                                       \
+        }                                                                       \
+    }                                                                           \
+}
+
+#define QUICK_BUTTONS_OK_CANCEL                                                 \
+    QUICK_START_BUTTONS (TRUE, TRUE),                                           \
+        QUICK_BUTTON (N_("&OK"), B_ENTER, NULL, NULL),                          \
+        QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL)
+
+#define QUICK_END                                                               \
+{                                                                               \
+    .widget_type = quick_end,                                                   \
+    .options = WOP_DEFAULT,                                                     \
+    .pos_flags = WPOS_KEEP_DEFAULT,                                             \
+    .id = NULL,                                                                 \
+    .u = {                                                                      \
+        .input = {                                                              \
+            .text = NULL,                                                       \
+            .histname = NULL,                                                   \
+            .result = NULL                                                      \
+        }                                                                       \
+    }                                                                           \
+}
+
+/*** enums ***************************************************************************************/
+
+/* Quick Widgets */
+typedef enum
+{
+    quick_end = 0,
+    quick_checkbox = 1,
+    quick_button = 2,
+    quick_input = 3,
+    quick_label = 4,
+    quick_radio = 5,
+    quick_start_groupbox = 6,
+    quick_stop_groupbox = 7,
+    quick_separator = 8,
+    quick_start_columns = 9,
+    quick_next_column = 10,
+    quick_stop_columns = 11,
+    quick_buttons = 12
+} quick_t;
+
+typedef enum
+{
+    input_label_none = 0,
+    input_label_above = 1,
+    input_label_left = 2,
+    input_label_right = 3,
+    input_label_below = 4
+} quick_input_label_location_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* The widget is placed on relative_?/divisions_? of the parent widget */
+typedef struct quick_widget_t quick_widget_t;
+
+struct quick_widget_t
+{
+    quick_t widget_type;
+
+    widget_options_t options;
+    widget_state_t state;
+    widget_pos_flags_t pos_flags;
+    unsigned long *id;
+
+    /* widget parameters */
+    union
+    {
+        struct
+        {
+            const char *text;
+            gboolean *state;    /* in/out */
+        } checkbox;
+
+        struct
+        {
+            const char *text;
+            int action;
+            bcback_fn callback;
+        } button;
+
+        struct
+        {
+            const char *label_text;
+            quick_input_label_location_t label_location;
+            quick_widget_t *label;
+            const char *text;
+            input_complete_t completion_flags;
+            gboolean is_passwd; /* TRUE -- is password */
+            gboolean strip_passwd;
+            const char *histname;
+            char **result;
+        } input;
+
+        struct
+        {
+            const char *text;
+            quick_widget_t *input;
+        } label;
+
+        struct
+        {
+            int count;
+            const char **items;
+            int *value;         /* in/out */
+        } radio;
+
+        struct
+        {
+            const char *title;
+        } groupbox;
+
+        struct
+        {
+            gboolean space;
+            gboolean line;
+        } separator;
+    } u;
+};
+
+typedef struct
+{
+    WRect rect;                 /* if rect.x == -1 or rect.y == -1, then dialog is ceneterd;
+                                 * rect.lines is unused and ignored */
+    const char *title;
+    const char *help;
+    quick_widget_t *widgets;
+    widget_cb_fn callback;
+    widget_mouse_cb_fn mouse_callback;
+} quick_dialog_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+int quick_dialog_skip (quick_dialog_t * quick_dlg, int nskip);
+
+/*** inline functions ****************************************************************************/
+
+static inline int
+quick_dialog (quick_dialog_t * quick_dlg)
+{
+    return quick_dialog_skip (quick_dlg, 1);
+}
+
+#endif /* MC__QUICK_H */
diff --git a/lib/widget/radio.c b/lib/widget/radio.c
new file mode 100644
index 0000000..5832f44
--- /dev/null
+++ b/lib/widget/radio.c
@@ -0,0 +1,249 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file radio.c
+ *  \brief Source: WRadui widget (radiobuttons)
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+const global_keymap_t *radio_map = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+radio_execute_cmd (WRadio * r, long command)
+{
+    cb_ret_t ret = MSG_HANDLED;
+    Widget *w = WIDGET (r);
+
+    switch (command)
+    {
+    case CK_Up:
+    case CK_Top:
+        if (r->pos == 0)
+            return MSG_NOT_HANDLED;
+
+        if (command == CK_Top)
+            r->pos = 0;
+        else
+            r->pos--;
+        widget_draw (w);
+        return MSG_HANDLED;
+
+    case CK_Down:
+    case CK_Bottom:
+        if (r->pos == r->count - 1)
+            return MSG_NOT_HANDLED;
+
+        if (command == CK_Bottom)
+            r->pos = r->count - 1;
+        else
+            r->pos++;
+        widget_draw (w);
+        return MSG_HANDLED;
+
+    case CK_Select:
+        r->sel = r->pos;
+        widget_set_state (w, WST_FOCUSED, TRUE);        /* Also draws the widget */
+        send_message (w->owner, w, MSG_NOTIFY, 0, NULL);
+        return MSG_HANDLED;
+
+    default:
+        ret = MSG_NOT_HANDLED;
+        break;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Return MSG_HANDLED if we want a redraw */
+static cb_ret_t
+radio_key (WRadio * r, int key)
+{
+    long command;
+
+    command = widget_lookup_key (WIDGET (r), key);
+    if (command == CK_IgnoreKey)
+        return MSG_NOT_HANDLED;
+    return radio_execute_cmd (r, command);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+radio_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WRadio *r = RADIO (w);
+    int i;
+
+    switch (msg)
+    {
+    case MSG_HOTKEY:
+        for (i = 0; i < r->count; i++)
+        {
+            if (r->texts[i].hotkey != NULL)
+            {
+                int c;
+
+                c = g_ascii_tolower ((gchar) r->texts[i].hotkey[0]);
+                if (c != parm)
+                    continue;
+                r->pos = i;
+
+                /* Take action */
+                send_message (w, sender, MSG_ACTION, CK_Select, data);
+                return MSG_HANDLED;
+            }
+        }
+        return MSG_NOT_HANDLED;
+
+    case MSG_KEY:
+        return radio_key (r, parm);
+
+    case MSG_ACTION:
+        return radio_execute_cmd (r, parm);
+
+    case MSG_CURSOR:
+        widget_gotoyx (r, r->pos, 1);
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        {
+            gboolean focused;
+
+            focused = widget_get_state (w, WST_FOCUSED);
+
+            for (i = 0; i < r->count; i++)
+            {
+                widget_selectcolor (w, i == r->pos && focused, FALSE);
+                widget_gotoyx (w, i, 0);
+                tty_draw_hline (w->rect.y + i, w->rect.x, ' ', w->rect.cols);
+                tty_print_string ((r->sel == i) ? "(*) " : "( ) ");
+                hotkey_draw (w, r->texts[i], i == r->pos && focused);
+            }
+
+            return MSG_HANDLED;
+        }
+
+    case MSG_DESTROY:
+        for (i = 0; i < r->count; i++)
+            hotkey_free (r->texts[i]);
+        g_free (r->texts);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+radio_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        RADIO (w)->pos = event->y;
+        widget_select (w);
+        break;
+
+    case MSG_MOUSE_CLICK:
+        RADIO (w)->pos = event->y;
+        send_message (w, NULL, MSG_ACTION, CK_Select, NULL);
+        send_message (w->owner, w, MSG_POST_KEY, ' ', NULL);
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WRadio *
+radio_new (int y, int x, int count, const char **texts)
+{
+    WRect r0 = { y, x, count, 1 };
+    WRadio *r;
+    Widget *w;
+    int i, wmax = 0;
+
+    r = g_new (WRadio, 1);
+    w = WIDGET (r);
+
+    /* Compute the longest string */
+    r->texts = g_new (hotkey_t, count);
+
+    for (i = 0; i < count; i++)
+    {
+        int width;
+
+        r->texts[i] = hotkey_new (texts[i]);
+        width = hotkey_width (r->texts[i]);
+        wmax = MAX (width, wmax);
+    }
+
+    /* 4 is width of "(*) " */
+    r0.cols = 4 + wmax;
+    widget_init (w, &r0, radio_callback, radio_mouse_callback);
+    w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR | WOP_WANT_HOTKEY;
+    w->keymap = radio_map;
+
+    r->pos = 0;
+    r->sel = 0;
+    r->count = count;
+
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/radio.h b/lib/widget/radio.h
new file mode 100644
index 0000000..5b52382
--- /dev/null
+++ b/lib/widget/radio.h
@@ -0,0 +1,38 @@
+
+/** \file radio.h
+ *  \brief Header: WRadio widget
+ */
+
+#ifndef MC__WIDGET_RADIO_H
+#define MC__WIDGET_RADIO_H
+
+#include "lib/keybind.h"        /* global_keymap_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define RADIO(x) ((WRadio *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct WRadio
+{
+    Widget widget;
+    int pos;
+    int sel;
+    int count;                  /* number of members */
+    hotkey_t *texts;            /* texts of labels */
+} WRadio;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern const global_keymap_t *radio_map;
+
+/*** declarations of public functions ************************************************************/
+
+WRadio *radio_new (int y, int x, int count, const char **text);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_RADIO_H */
diff --git a/lib/widget/rect.c b/lib/widget/rect.c
new file mode 100644
index 0000000..e2b4548
--- /dev/null
+++ b/lib/widget/rect.c
@@ -0,0 +1,253 @@
+/* Rectangular class for Midnight Commander widgets
+
+   Copyright (C) 2020-2022
+   The Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2020-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file widget-common.c
+ *  \brief Source: shared stuff of widgets
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "rect.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Create new WRect object.
+  *
+  * @param y y-coordinate of left-up corner
+  * @param x x-coordinate of left-up corner
+  * @param lines heigth
+  * @param cols width
+  *
+  * @return newly allocated WRect object.
+  */
+
+WRect *
+rect_new (int y, int x, int lines, int cols)
+{
+    WRect *r;
+
+    r = g_try_new (WRect, 1);
+
+    if (r != NULL)
+        rect_init (r, y, x, lines, cols);
+
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Initialize WRect object.
+  *
+  * @param r WRect object
+  * @param y y-coordinate of left-up corner
+  * @param x x-coordinate of left-up corner
+  * @param lines heigth
+  * @param cols width
+  */
+
+void
+rect_init (WRect * r, int y, int x, int lines, int cols)
+{
+    r->y = y;
+    r->x = x;
+    r->lines = lines;
+    r->cols = cols;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Change position of rectangle area.
+  *
+  * @param r WRect object
+  * @param dy y-shift of left-up corner
+  * @param dx x-shift of left-up corner
+  */
+
+void
+rect_move (WRect * r, int dy, int dx)
+{
+    r->y += dy;
+    r->x += dx;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Change size of rectangle area keeping it's position.
+  *
+  * @param r WRect object
+  * @param dl change size value of heigth
+  * @param dc change size value of width
+  */
+
+void
+rect_resize (WRect * r, int dl, int dc)
+{
+    r->lines += dl;
+    r->cols += dc;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Change size of rectangle area keeping it's center.
+  *
+  * @param r WRect object
+  * @param dl change size value of y-coordinate and heigth
+  *           Positive value means move up and increase heigth.
+  *           Negative value means move down and decrease heigth.
+  * @param dc change size value of x-coordinate and width
+  *           Positive value means move left and increase width.
+  *           Negative value means move right and decrease width.
+  */
+
+void
+rect_grow (WRect * r, int dl, int dc)
+{
+    r->y -= dl;
+    r->x -= dc;
+    r->lines += dl * 2;
+    r->cols += dc * 2;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Calculates the intersection of two rectangle areas.
+  * The resulting rectangle is the largest rectangle which contains intersection of rectangle areas.
+  *
+  * @param r first WRect object
+  * @param r1 second WRect object
+  *
+  * The resulting rectangle is stored in r.
+  */
+
+void
+rect_intersect (WRect * r, const WRect * r1)
+{
+    int y, x;
+    int y1, x1;
+
+    /* right-down corners */
+    y = r->y + r->lines;
+    x = r->x + r->cols;
+    y1 = r1->y + r1->lines;
+    x1 = r1->x + r1->cols;
+
+    /* right-down corner of intersection */
+    y = MIN (y, y1);
+    x = MIN (x, x1);
+
+    /* left-up corner of intersection */
+    r->y = MAX (r->y, r1->y);
+    r->x = MAX (r->x, r1->x);
+
+    /* intersection sizes */
+    r->lines = y - r->y;
+    r->cols = x - r->x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Calculates the union of two rectangle areas.
+  * The resulting rectangle is the largest rectangle which contains both rectangle areas.
+  *
+  * @param r first WRect object
+  * @param r1 second WRect object
+  *
+  * The resulting rectangle is stored in r.
+  */
+
+void
+rect_union (WRect * r, const WRect * r1)
+{
+    int x, y;
+    int x1, y1;
+
+    /* right-down corners */
+    y = r->y + r->lines;
+    x = r->x + r->cols;
+    y1 = r1->y + r1->lines;
+    x1 = r1->x + r1->cols;
+
+    /* right-down corner of union */
+    y = MAX (y, y1);
+    x = MAX (x, x1);
+
+    /* left-up corner of union */
+    r->y = MIN (r->y, r1->y);
+    r->x = MIN (r->x, r1->x);
+
+    /* union sizes */
+    r->lines = y - r->y;
+    r->cols = x - r->x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check whether two rectangle areas are overlapped or not.
+  *
+  * @param r1 WRect object
+  * @param r2 WRect object
+  *
+  * @return TRUE if rectangle areas are overlapped, FALSE otherwise.
+  */
+
+gboolean
+rects_are_overlapped (const WRect * r1, const WRect * r2)
+{
+    return !((r2->x >= r1->x + r1->cols) || (r1->x >= r2->x + r2->cols)
+             || (r2->y >= r1->y + r1->lines) || (r1->y >= r2->y + r2->lines));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check whether two rectangle areas are equal or not.
+  *
+  * @param r1 WRect object
+  * @param r2 WRect object
+  *
+  * @return TRUE if rectangle areas are equal, FALSE otherwise.
+  */
+
+gboolean
+rects_are_equal (const WRect * r1, const WRect * r2)
+{
+    return (r1->y == r2->y && r1->x == r2->x && r1->lines == r2->lines && r1->cols == r2->cols);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/rect.h b/lib/widget/rect.h
new file mode 100644
index 0000000..ca85968
--- /dev/null
+++ b/lib/widget/rect.h
@@ -0,0 +1,45 @@
+
+/** \file rect.h
+ *  \brief Header: rectangular class
+ */
+
+#ifndef MC__WIDGET_RECT_H
+#define MC__WIDGET_RECT_H
+
+/*** typedefs (not structures) and defined constants *********************************************/
+
+#define RECT(x) ((WRect *)(x))
+#define CONST_RECT(x) ((const WRect *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures) ****************************************/
+
+struct WRect;
+typedef struct WRect WRect;
+
+struct WRect
+{
+    int y;
+    int x;
+    int lines;
+    int cols;
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+WRect *rect_new (int y, int x, int lines, int cols);
+void rect_init (WRect * r, int y, int x, int lines, int cols);
+void rect_move (WRect * r, int dy, int dx);
+void rect_resize (WRect * r, int dl, int dc);
+void rect_grow (WRect * r, int dl, int dc);
+void rect_intersect (WRect * r, const WRect * r1);
+void rect_union (WRect * r, const WRect * r1);
+gboolean rects_are_overlapped (const WRect * r1, const WRect * r2);
+gboolean rects_are_equal (const WRect * r1, const WRect * r2);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WIDGET_RECT_H */
diff --git a/lib/widget/widget-common.c b/lib/widget/widget-common.c
new file mode 100644
index 0000000..bc36e6d
--- /dev/null
+++ b/lib/widget/widget-common.c
@@ -0,0 +1,898 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file widget-common.c
+ *  \brief Source: shared stuff of widgets
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* maximum value of used widget ID */
+static unsigned long widget_id = 0;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Calc widget ID,
+ * Widget ID is uniq for each widget created during MC session (like PID in OS).
+ *
+ * @return widget ID.
+ */
+static unsigned long
+widget_set_id (void)
+{
+    unsigned long id;
+
+    id = widget_id++;
+    /* TODO IF NEEDED: if id is already used, find next free id. */
+
+    return id;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+widget_default_resize (Widget * w, const WRect * r)
+{
+    if (r == NULL)
+        return MSG_NOT_HANDLED;
+
+    w->rect = *r;
+
+    return MSG_HANDLED;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+widget_do_focus (Widget * w, gboolean enable)
+{
+    if (w != NULL && widget_get_state (WIDGET (w->owner), WST_VISIBLE | WST_FOCUSED))
+        widget_set_state (w, WST_FOCUSED, enable);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Focus specified widget in it's owner.
+ *
+ * @param w widget to be focused.
+ */
+
+static void
+widget_focus (Widget * w)
+{
+    WGroup *g = w->owner;
+
+    if (g == NULL)
+        return;
+
+    if (WIDGET (g->current->data) != w)
+    {
+        widget_do_focus (WIDGET (g->current->data), FALSE);
+        /* Test if focus lost was allowed and focus has really been loose */
+        if (g->current == NULL || !widget_get_state (WIDGET (g->current->data), WST_FOCUSED))
+        {
+            widget_do_focus (w, TRUE);
+            g->current = widget_find (WIDGET (g), w);
+        }
+    }
+    else if (!widget_get_state (w, WST_FOCUSED))
+        widget_do_focus (w, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Put widget on top or bottom of Z-order.
+ */
+static void
+widget_reorder (GList * l, gboolean set_top)
+{
+    WGroup *g = WIDGET (l->data)->owner;
+
+    g->widgets = g_list_remove_link (g->widgets, l);
+    if (set_top)
+        g->widgets = g_list_concat (g->widgets, l);
+    else
+        g->widgets = g_list_concat (l, g->widgets);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+hotkey_cmp (const char *s1, const char *s2)
+{
+    gboolean n1, n2;
+
+    n1 = s1 != NULL;
+    n2 = s2 != NULL;
+
+    if (n1 != n2)
+        return FALSE;
+
+    if (n1 && n2 && strcmp (s1, s2) != 0)
+        return FALSE;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+widget_default_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    /* do nothing */
+    (void) w;
+    (void) msg;
+    (void) event;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const int *
+widget_default_get_colors (const Widget * w)
+{
+    const Widget *owner = CONST_WIDGET (w->owner);
+
+    return (owner == NULL ? NULL : widget_get_colors (owner));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+struct hotkey_t
+hotkey_new (const char *text)
+{
+    hotkey_t result;
+    const char *cp, *p;
+
+    if (text == NULL)
+        text = "";
+
+    /* search for '&', that is not on the of text */
+    cp = strchr (text, '&');
+    if (cp != NULL && cp[1] != '\0')
+    {
+        result.start = g_strndup (text, cp - text);
+
+        /* skip '&' */
+        cp++;
+        p = str_cget_next_char (cp);
+        result.hotkey = g_strndup (cp, p - cp);
+
+        cp = p;
+        result.end = g_strdup (cp);
+    }
+    else
+    {
+        result.start = g_strdup (text);
+        result.hotkey = NULL;
+        result.end = NULL;
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hotkey_free (const hotkey_t hotkey)
+{
+    g_free (hotkey.start);
+    g_free (hotkey.hotkey);
+    g_free (hotkey.end);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+hotkey_width (const hotkey_t hotkey)
+{
+    int result;
+
+    result = str_term_width1 (hotkey.start);
+    result += (hotkey.hotkey != NULL) ? str_term_width1 (hotkey.hotkey) : 0;
+    result += (hotkey.end != NULL) ? str_term_width1 (hotkey.end) : 0;
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+hotkey_equal (const hotkey_t hotkey1, const hotkey_t hotkey2)
+{
+    /* *INDENT-OFF* */
+    return (strcmp (hotkey1.start, hotkey2.start) == 0) &&
+           hotkey_cmp (hotkey1.hotkey, hotkey2.hotkey) &&
+           hotkey_cmp (hotkey1.end, hotkey2.end);
+    /* *INDENT-ON* */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hotkey_draw (Widget * w, const hotkey_t hotkey, gboolean focused)
+{
+    if (hotkey.start[0] != '\0')
+    {
+        widget_selectcolor (w, focused, FALSE);
+        tty_print_string (hotkey.start);
+    }
+
+    if (hotkey.hotkey != NULL)
+    {
+        widget_selectcolor (w, focused, TRUE);
+        tty_print_string (hotkey.hotkey);
+    }
+
+    if (hotkey.end != NULL)
+    {
+        widget_selectcolor (w, focused, FALSE);
+        tty_print_string (hotkey.end);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+hotkey_get_text (const hotkey_t hotkey)
+{
+    GString *text;
+
+    text = g_string_new (hotkey.start);
+
+    if (hotkey.hotkey != NULL)
+    {
+        g_string_append_c (text, '&');
+        g_string_append (text, hotkey.hotkey);
+    }
+
+    if (hotkey.end != NULL)
+        g_string_append (text, hotkey.end);
+
+    return g_string_free (text, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+widget_init (Widget * w, const WRect * r, widget_cb_fn callback, widget_mouse_cb_fn mouse_callback)
+{
+    w->id = widget_set_id ();
+    w->rect = *r;
+    w->pos_flags = WPOS_KEEP_DEFAULT;
+    w->callback = callback;
+
+    w->keymap = NULL;
+    w->ext_keymap = NULL;
+    w->ext_mode = FALSE;
+
+    w->mouse_callback = mouse_callback != NULL ? mouse_callback : widget_default_mouse_callback;
+    w->owner = NULL;
+    w->mouse_handler = mouse_handle_event;
+    w->mouse.forced_capture = FALSE;
+    w->mouse.capture = FALSE;
+    w->mouse.last_msg = MSG_MOUSE_NONE;
+    w->mouse.last_buttons_down = 0;
+
+    w->options = WOP_DEFAULT;
+    w->state = WST_CONSTRUCT | WST_VISIBLE;
+
+    w->make_global = widget_default_make_global;
+    w->make_local = widget_default_make_local;
+
+    w->make_global = widget_default_make_global;
+    w->make_local = widget_default_make_local;
+
+    w->find = widget_default_find;
+    w->find_by_type = widget_default_find_by_type;
+    w->find_by_id = widget_default_find_by_id;
+
+    w->set_state = widget_default_set_state;
+    w->destroy = widget_default_destroy;
+    w->get_colors = widget_default_get_colors;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* Default callback for widgets */
+cb_ret_t
+widget_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    (void) sender;
+    (void) parm;
+
+    switch (msg)
+    {
+    case MSG_INIT:
+    case MSG_FOCUS:
+    case MSG_UNFOCUS:
+    case MSG_ENABLE:
+    case MSG_DISABLE:
+    case MSG_DRAW:
+    case MSG_DESTROY:
+    case MSG_CURSOR:
+    case MSG_IDLE:
+        return MSG_HANDLED;
+
+    case MSG_RESIZE:
+        return widget_default_resize (w, CONST_RECT (data));
+
+    default:
+        return MSG_NOT_HANDLED;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Apply new options to widget.
+ *
+ * @param w       widget
+ * @param options widget option flags to modify. Several flags per call can be modified.
+ * @param enable  TRUE if specified options should be added, FALSE if options should be removed
+ */
+void
+widget_set_options (Widget * w, widget_options_t options, gboolean enable)
+{
+    if (enable)
+        w->options |= options;
+    else
+        w->options &= ~options;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+widget_adjust_position (widget_pos_flags_t pos_flags, WRect * r)
+{
+    if ((pos_flags & WPOS_FULLSCREEN) != 0)
+    {
+        r->y = 0;
+        r->x = 0;
+        r->lines = LINES;
+        r->cols = COLS;
+    }
+    else
+    {
+        if ((pos_flags & WPOS_CENTER_HORZ) != 0)
+            r->x = (COLS - r->cols) / 2;
+
+        if ((pos_flags & WPOS_CENTER_VERT) != 0)
+            r->y = (LINES - r->lines) / 2;
+
+        if ((pos_flags & WPOS_TRYUP) != 0)
+        {
+            if (r->y > 3)
+                r->y -= 2;
+            else if (r->y == 3)
+                r->y = 2;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Change widget position and size.
+ *
+ * @param w widget
+ * @param y y coordinate of top-left corner
+ * @param x x coordinate of top-left corner
+ * @param lines width
+ * @param cols height
+ */
+
+void
+widget_set_size (Widget * w, int y, int x, int lines, int cols)
+{
+    WRect r = { y, x, lines, cols };
+
+    send_message (w, NULL, MSG_RESIZE, 0, &r);
+    widget_draw (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Change widget position and size.
+ *
+ * @param w widget
+ * @param r WRect obgect that holds position and size
+ */
+
+void
+widget_set_size_rect (Widget * w, WRect * r)
+{
+    send_message (w, NULL, MSG_RESIZE, 0, r);
+    widget_draw (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+widget_selectcolor (Widget * w, gboolean focused, gboolean hotkey)
+{
+    int color;
+    const int *colors;
+
+    colors = widget_get_colors (w);
+
+    if (widget_get_state (w, WST_DISABLED))
+        color = DISABLED_COLOR;
+    else if (hotkey)
+        color = colors[focused ? DLG_COLOR_HOT_FOCUS : DLG_COLOR_HOT_NORMAL];
+    else
+        color = colors[focused ? DLG_COLOR_FOCUS : DLG_COLOR_NORMAL];
+
+    tty_setcolor (color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+widget_erase (Widget * w)
+{
+    if (w != NULL)
+        tty_fill_region (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, ' ');
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+widget_set_visibility (Widget * w, gboolean make_visible)
+{
+    if (widget_get_state (w, WST_VISIBLE) != make_visible)
+        widget_set_state (w, WST_VISIBLE, make_visible);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check whether widget is active or not.
+  * Widget is active if it's current in the its owner and each owner in the chain is current too.
+  *
+  * @param w the widget
+  *
+  * @return TRUE if the widget is active, FALSE otherwise
+  */
+
+gboolean
+widget_is_active (const void *w)
+{
+    const WGroup *owner;
+
+    /* Is group top? */
+    if (w == top_dlg->data)
+        return TRUE;
+
+    owner = CONST_WIDGET (w)->owner;
+
+    /* Is widget in any group? */
+    if (owner == NULL)
+        return FALSE;
+
+    if (w != owner->current->data)
+        return FALSE;
+
+    return widget_is_active (owner);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+cb_ret_t
+widget_draw (Widget * w)
+{
+    cb_ret_t ret = MSG_NOT_HANDLED;
+
+    if (w != NULL && widget_get_state (w, WST_VISIBLE))
+    {
+        WGroup *g = w->owner;
+
+        if (g != NULL && widget_get_state (WIDGET (g), WST_ACTIVE))
+            ret = w->callback (w, NULL, MSG_DRAW, 0, NULL);
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Replace widget in the dialog.
+  *
+  * @param old_w old widget that need to be replaced
+  * @param new_w new widget that will replace @old_w
+  */
+
+void
+widget_replace (Widget * old_w, Widget * new_w)
+{
+    WGroup *g = old_w->owner;
+    gboolean should_focus = FALSE;
+    GList *holder;
+
+    if (g->widgets == NULL)
+        return;
+
+    if (g->current == NULL)
+        g->current = g->widgets;
+
+    /* locate widget position in the list */
+    if (old_w == g->current->data)
+        holder = g->current;
+    else
+        holder = g_list_find (g->widgets, old_w);
+
+    /* if old widget is focused, we should focus the new one... */
+    if (widget_get_state (old_w, WST_FOCUSED))
+        should_focus = TRUE;
+    /* ...but if new widget isn't selectable, we cannot focus it */
+    if (!widget_get_options (new_w, WOP_SELECTABLE))
+        should_focus = FALSE;
+
+    /* if new widget isn't selectable, select other widget before replace */
+    if (!should_focus)
+    {
+        GList *l;
+
+        for (l = group_get_widget_next_of (holder);
+             !widget_is_focusable (WIDGET (l->data)) && l != holder;
+             l = group_get_widget_next_of (l))
+            ;
+
+        widget_select (WIDGET (l->data));
+    }
+
+    /* replace widget */
+    new_w->owner = g;
+    new_w->id = old_w->id;
+    holder->data = new_w;
+
+    send_message (old_w, NULL, MSG_DESTROY, 0, NULL);
+    send_message (new_w, NULL, MSG_INIT, 0, NULL);
+
+    if (should_focus)
+        widget_select (new_w);
+    else
+        widget_draw (new_w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+widget_is_focusable (const Widget * w)
+{
+    return (widget_get_options (w, WOP_SELECTABLE) && widget_get_state (w, WST_VISIBLE) &&
+            !widget_get_state (w, WST_DISABLED));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Select specified widget in it's owner.
+ *
+ * Note: this function (and widget_focus(), which it calls) is a no-op
+ * if the widget is already selected.
+ *
+ * @param w widget to be selected
+ */
+
+void
+widget_select (Widget * w)
+{
+    WGroup *g;
+
+    if (!widget_get_options (w, WOP_SELECTABLE))
+        return;
+
+    g = GROUP (w->owner);
+    if (g != NULL)
+    {
+        if (widget_get_options (w, WOP_TOP_SELECT))
+        {
+            GList *l;
+
+            l = widget_find (WIDGET (g), w);
+            widget_reorder (l, TRUE);
+        }
+
+        widget_focus (w);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Set widget at bottom of widget list.
+ */
+
+void
+widget_set_bottom (Widget * w)
+{
+    widget_reorder (widget_find (WIDGET (w->owner), w), FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Look up key event of widget and translate it to command ID.
+  * @param w   widget
+  * @param key key event
+  *
+  * @return command ID binded with @key.
+  */
+
+long
+widget_lookup_key (Widget * w, int key)
+{
+    if (w->ext_mode)
+    {
+        w->ext_mode = FALSE;
+        return keybind_lookup_keymap_command (w->ext_keymap, key);
+    }
+
+    return keybind_lookup_keymap_command (w->keymap, key);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Default widget callback to convert widget coordinates from local (relative to owner) to global
+  * (relative to screen).
+  *
+  * @param w widget
+  * @delta offset for top-left corner coordinates. Used for child widgets of WGroup
+  */
+
+void
+widget_default_make_global (Widget * w, const WRect * delta)
+{
+    if (delta != NULL)
+        rect_move (&w->rect, delta->y, delta->x);
+    else if (w->owner != NULL)
+        rect_move (&w->rect, WIDGET (w->owner)->rect.y, WIDGET (w->owner)->rect.x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Default widget callback to convert widget coordinates from global (relative to screen) to local
+  * (relative to owner).
+  *
+  * @param w widget
+  * @delta offset for top-left corner coordinates. Used for child widgets of WGroup
+  */
+
+void
+widget_default_make_local (Widget * w, const WRect * delta)
+{
+    if (delta != NULL)
+        rect_move (&w->rect, -delta->y, -delta->x);
+    else if (w->owner != NULL)
+        rect_move (&w->rect, -WIDGET (w->owner)->rect.y, -WIDGET (w->owner)->rect.x);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Default callback function to find widget.
+ *
+ * @param w widget
+ * @param what widget to find
+ *
+ * @return holder of @what if widget is @what, NULL otherwise
+ */
+
+GList *
+widget_default_find (const Widget * w, const Widget * what)
+{
+    return (w != what
+            || w->owner == NULL) ? NULL : g_list_find (CONST_GROUP (w->owner)->widgets, what);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Default callback function to find widget by widget type using widget callback.
+ *
+ * @param w widget
+ * @param cb widget callback
+ *
+ * @return @w if widget callback is @cb, NULL otherwise
+ */
+
+Widget *
+widget_default_find_by_type (const Widget * w, widget_cb_fn cb)
+{
+    return (w->callback == cb ? WIDGET (w) : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Default callback function to find widget by widget ID.
+ *
+ * @param w widget
+ * @param id widget ID
+ *
+ * @return @w if widget id is equal to @id, NULL otherwise
+ */
+
+Widget *
+widget_default_find_by_id (const Widget * w, unsigned long id)
+{
+    return (w->id == id ? WIDGET (w) : NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Default callback function to modify state of widget.
+ *
+ * @param w      widget
+ * @param state  widget state flag to modify
+ * @param enable specifies whether to turn the flag on (TRUE) or off (FALSE).
+ *               Only one flag per call can be modified.
+ * @return       MSG_HANDLED if set was handled successfully, MSG_NOT_HANDLED otherwise.
+ */
+
+cb_ret_t
+widget_default_set_state (Widget * w, widget_state_t state, gboolean enable)
+{
+    gboolean ret = MSG_HANDLED;
+    Widget *owner = WIDGET (GROUP (w->owner));
+
+    if (enable)
+        w->state |= state;
+    else
+        w->state &= ~state;
+
+    if (enable)
+    {
+        /* exclusive bits */
+        if ((state & WST_CONSTRUCT) != 0)
+            w->state &= ~(WST_ACTIVE | WST_SUSPENDED | WST_CLOSED);
+        else if ((state & WST_ACTIVE) != 0)
+            w->state &= ~(WST_CONSTRUCT | WST_SUSPENDED | WST_CLOSED);
+        else if ((state & WST_SUSPENDED) != 0)
+            w->state &= ~(WST_CONSTRUCT | WST_ACTIVE | WST_CLOSED);
+        else if ((state & WST_CLOSED) != 0)
+            w->state &= ~(WST_CONSTRUCT | WST_ACTIVE | WST_SUSPENDED);
+    }
+
+    if (owner == NULL)
+        return MSG_NOT_HANDLED;
+
+    switch (state)
+    {
+    case WST_VISIBLE:
+        if (widget_get_state (owner, WST_ACTIVE))
+        {
+            /* redraw owner to show/hide widget */
+            widget_draw (owner);
+
+            if (!enable)
+            {
+                /* try select another widget if current one got hidden */
+                if (w == GROUP (owner)->current->data)
+                    group_select_next_widget (GROUP (owner));
+
+                widget_update_cursor (owner);   /* FIXME: unneeded? */
+            }
+        }
+        break;
+
+
+    case WST_DISABLED:
+        ret = send_message (w, NULL, enable ? MSG_DISABLE : MSG_ENABLE, 0, NULL);
+        if (ret == MSG_HANDLED && widget_get_state (owner, WST_ACTIVE))
+            ret = widget_draw (w);
+        break;
+
+    case WST_FOCUSED:
+        {
+            widget_msg_t msg;
+
+            msg = enable ? MSG_FOCUS : MSG_UNFOCUS;
+            ret = send_message (w, NULL, msg, 0, NULL);
+            if (ret == MSG_HANDLED && widget_get_state (owner, WST_ACTIVE))
+            {
+                widget_draw (w);
+                /* Notify owner that focus was moved from one widget to another */
+                send_message (owner, w, MSG_CHANGED_FOCUS, 0, NULL);
+            }
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Default callback function to destroy widget.
+ *
+ * @param w widget
+ */
+
+void
+widget_default_destroy (Widget * w)
+{
+    send_message (w, NULL, MSG_DESTROY, 0, NULL);
+    g_free (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* get mouse pointer location within widget */
+
+Gpm_Event
+mouse_get_local (const Gpm_Event * global, const Widget * w)
+{
+    Gpm_Event local;
+
+    memset (&local, 0, sizeof (local));
+
+    local.buttons = global->buttons;
+    local.x = global->x - w->rect.x;
+    local.y = global->y - w->rect.y;
+    local.type = global->type;
+
+    return local;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mouse_global_in_widget (const Gpm_Event * event, const Widget * w)
+{
+    const WRect *r = &w->rect;
+
+    return (event->x > r->x) && (event->y > r->y) && (event->x <= r->x + r->cols)
+        && (event->y <= r->y + r->lines);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/widget-common.h b/lib/widget/widget-common.h
new file mode 100644
index 0000000..f5a53de
--- /dev/null
+++ b/lib/widget/widget-common.h
@@ -0,0 +1,462 @@
+
+/** \file widget-common.h
+ *  \brief Header: shared stuff of widgets
+ */
+
+#ifndef MC__WIDGET_INTERNAL_H
+#define MC__WIDGET_INTERNAL_H
+
+#include "lib/keybind.h"        /* global_keymap_t */
+#include "lib/tty/mouse.h"
+#include "lib/widget/mouse.h"   /* mouse_msg_t, mouse_event_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define WIDGET(x) ((Widget *)(x))
+#define CONST_WIDGET(x) ((const Widget *)(x))
+
+#define widget_gotoyx(w, _y, _x) tty_gotoyx (CONST_WIDGET(w)->rect.y + (_y), CONST_WIDGET(w)->rect.x + (_x))
+/* Sets/clear the specified flag in the options field */
+#define widget_want_cursor(w,i) widget_set_options(w, WOP_WANT_CURSOR, i)
+#define widget_want_hotkey(w,i) widget_set_options(w, WOP_WANT_HOTKEY, i)
+#define widget_want_tab(w,i) widget_set_options(w, WOP_WANT_TAB, i)
+#define widget_idle(w,i) widget_set_state(w, WST_IDLE, i)
+#define widget_disable(w,i) widget_set_state(w, WST_DISABLED, i)
+
+/*** enums ***************************************************************************************/
+
+/* Widget messages */
+typedef enum
+{
+    MSG_INIT = 0,               /* Initialize widget */
+    MSG_FOCUS,                  /* Draw widget in focused state or widget has got focus */
+    MSG_UNFOCUS,                /* Draw widget in unfocused state or widget has been unfocused */
+    MSG_CHANGED_FOCUS,          /* Notification to owner about focus state change */
+    MSG_ENABLE,                 /* Change state to enabled */
+    MSG_DISABLE,                /* Change state to disabled */
+    MSG_DRAW,                   /* Draw widget on screen */
+    MSG_KEY,                    /* Sent to widgets on key press */
+    MSG_HOTKEY,                 /* Sent to widget to catch preprocess key */
+    MSG_HOTKEY_HANDLED,         /* A widget has got the hotkey */
+    MSG_UNHANDLED_KEY,          /* Key that no widget handled */
+    MSG_POST_KEY,               /* The key has been handled */
+    MSG_ACTION,                 /* Send to widget to handle command */
+    MSG_NOTIFY,                 /* Typically sent to dialog to inform it of state-change
+                                 * of listboxes, check- and radiobuttons. */
+    MSG_CURSOR,                 /* Sent to widget to position the cursor */
+    MSG_IDLE,                   /* The idle state is active */
+    MSG_RESIZE,                 /* Screen size has changed */
+    MSG_VALIDATE,               /* Dialog is to be closed */
+    MSG_END,                    /* Shut down dialog */
+    MSG_DESTROY                 /* Sent to widget at destruction time */
+} widget_msg_t;
+
+/* Widgets are expected to answer to the following messages:
+   MSG_FOCUS:   MSG_HANDLED if the accept the focus, MSG_NOT_HANDLED if they do not.
+   MSG_UNFOCUS: MSG_HANDLED if they accept to release the focus, MSG_NOT_HANDLED if they don't.
+   MSG_KEY:     MSG_HANDLED if they actually used the key, MSG_NOT_HANDLED if not.
+   MSG_HOTKEY:  MSG_HANDLED if they actually used the key, MSG_NOT_HANDLED if not.
+ */
+
+typedef enum
+{
+    MSG_NOT_HANDLED = 0,
+    MSG_HANDLED = 1
+} cb_ret_t;
+
+/* Widget options */
+typedef enum
+{
+    WOP_DEFAULT = (0 << 0),
+    WOP_WANT_HOTKEY = (1 << 0),
+    WOP_WANT_CURSOR = (1 << 1),
+    WOP_WANT_TAB = (1 << 2),    /* Should the tab key be sent to the dialog? */
+    WOP_IS_INPUT = (1 << 3),
+    WOP_SELECTABLE = (1 << 4),
+    WOP_TOP_SELECT = (1 << 5)
+} widget_options_t;
+
+/* Widget state */
+typedef enum
+{
+    WST_DEFAULT = (0 << 0),
+    WST_VISIBLE = (1 << 0),     /* Widget is visible */
+    WST_DISABLED = (1 << 1),    /* Widget cannot be selected */
+    WST_IDLE = (1 << 2),
+    WST_MODAL = (1 << 3),       /* Widget (dialog) is modal */
+    WST_FOCUSED = (1 << 4),
+
+    WST_CONSTRUCT = (1 << 15),  /* Widget has been constructed but not run yet */
+    WST_ACTIVE = (1 << 16),     /* Dialog is visible and active */
+    WST_SUSPENDED = (1 << 17),  /* Dialog is suspended */
+    WST_CLOSED = (1 << 18)      /* Dialog is closed */
+} widget_state_t;
+
+/* Flags for widget repositioning on dialog resize */
+typedef enum
+{
+    WPOS_FULLSCREEN = (1 << 0), /* widget occupies the whole screen */
+    WPOS_CENTER_HORZ = (1 << 1),        /* center widget in horizontal */
+    WPOS_CENTER_VERT = (1 << 2),        /* center widget in vertical */
+    WPOS_CENTER = WPOS_CENTER_HORZ | WPOS_CENTER_VERT,  /* center widget */
+    WPOS_TRYUP = (1 << 3),      /* try to move two lines up the widget */
+    WPOS_KEEP_LEFT = (1 << 4),  /* keep widget distance to left border of dialog */
+    WPOS_KEEP_RIGHT = (1 << 5), /* keep widget distance to right border of dialog */
+    WPOS_KEEP_TOP = (1 << 6),   /* keep widget distance to top border of dialog */
+    WPOS_KEEP_BOTTOM = (1 << 7),        /* keep widget distance to bottom border of dialog */
+    WPOS_KEEP_HORZ = WPOS_KEEP_LEFT | WPOS_KEEP_RIGHT,
+    WPOS_KEEP_VERT = WPOS_KEEP_TOP | WPOS_KEEP_BOTTOM,
+    WPOS_KEEP_ALL = WPOS_KEEP_HORZ | WPOS_KEEP_VERT,
+    WPOS_KEEP_DEFAULT = WPOS_KEEP_LEFT | WPOS_KEEP_TOP
+} widget_pos_flags_t;
+/* NOTES:
+ * If WPOS_FULLSCREEN is set then all other position flags are ignored.
+ * If WPOS_CENTER_HORZ flag is used, other horizontal flags (WPOS_KEEP_LEFT, WPOS_KEEP_RIGHT,
+ * and WPOS_KEEP_HORZ) are ignored.
+ * If WPOS_CENTER_VERT flag is used, other horizontal flags (WPOS_KEEP_TOP, WPOS_KEEP_BOTTOM,
+ * and WPOS_KEEP_VERT) are ignored.
+ */
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* Widget callback */
+typedef cb_ret_t (*widget_cb_fn) (Widget * widget, Widget * sender, widget_msg_t msg, int parm,
+                                  void *data);
+/* Widget mouse callback */
+typedef void (*widget_mouse_cb_fn) (Widget * w, mouse_msg_t msg, mouse_event_t * event);
+/* translate mouse event and process it */
+typedef int (*widget_mouse_handle_fn) (Widget * w, Gpm_Event * event);
+
+/* Every Widget must have this as its first element */
+struct Widget
+{
+    WRect rect;                 /* position and size */
+    /* ATTENTION! For groups, don't change @rect members directly to avoid
+       incorrect reposion and resize of group members.  */
+    widget_pos_flags_t pos_flags;       /* repositioning flags */
+    widget_options_t options;
+    widget_state_t state;
+    unsigned long id;           /* uniq widget ID */
+    widget_cb_fn callback;
+    widget_mouse_cb_fn mouse_callback;
+    WGroup *owner;
+
+    /* Key-related fields */
+    const global_keymap_t *keymap;      /* main keymap */
+    const global_keymap_t *ext_keymap;  /* extended keymap */
+    gboolean ext_mode;          /* use keymap or ext_keymap */
+
+    /* Mouse-related fields. */
+    widget_mouse_handle_fn mouse_handler;
+    struct
+    {
+        /* Public members: */
+        gboolean forced_capture;        /* Overrides the 'capture' member. Set explicitly by the programmer. */
+
+        /* Implementation details: */
+        gboolean capture;       /* Whether the widget "owns" the mouse. */
+        mouse_msg_t last_msg;   /* The previous event type processed. */
+        int last_buttons_down;
+    } mouse;
+
+    void (*make_global) (Widget * w, const WRect * delta);
+    void (*make_local) (Widget * w, const WRect * delta);
+
+    GList *(*find) (const Widget * w, const Widget * what);
+    Widget *(*find_by_type) (const Widget * w, widget_cb_fn cb);
+    Widget *(*find_by_id) (const Widget * w, unsigned long id);
+
+    /* *INDENT-OFF* */
+    cb_ret_t (*set_state) (Widget * w, widget_state_t state, gboolean enable);
+    /* *INDENT-ON* */
+    void (*destroy) (Widget * w);
+
+    const int *(*get_colors) (const Widget * w);
+};
+
+/* structure for label (caption) with hotkey, if original text does not contain
+ * hotkey, only start is valid and is equal to original text
+ * hotkey is defined as char*, but mc support only singlebyte hotkey
+ */
+typedef struct hotkey_t
+{
+    char *start;                /* never NULL */
+    char *hotkey;               /* can be NULL */
+    char *end;                  /* can be NULL */
+} hotkey_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* create hotkey from text */
+hotkey_t hotkey_new (const char *text);
+/* release hotkey, free all mebers of hotkey_t */
+void hotkey_free (const hotkey_t hotkey);
+/* return width on terminal of hotkey */
+int hotkey_width (const hotkey_t hotkey);
+/* compare two hotkeys */
+gboolean hotkey_equal (const hotkey_t hotkey1, const hotkey_t hotkey2);
+/* draw hotkey of widget */
+void hotkey_draw (Widget * w, const hotkey_t hotkey, gboolean focused);
+/* get text of hotkey */
+char *hotkey_get_text (const hotkey_t hotkey);
+
+/* widget initialization */
+void widget_init (Widget * w, const WRect * r, widget_cb_fn callback,
+                  widget_mouse_cb_fn mouse_callback);
+/* Default callback for widgets */
+cb_ret_t widget_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm,
+                                  void *data);
+void widget_set_options (Widget * w, widget_options_t options, gboolean enable);
+void widget_adjust_position (widget_pos_flags_t pos_flags, WRect * r);
+void widget_set_size (Widget * w, int y, int x, int lines, int cols);
+void widget_set_size_rect (Widget * w, WRect * r);
+/* select color for widget in dependance of state */
+void widget_selectcolor (Widget * w, gboolean focused, gboolean hotkey);
+cb_ret_t widget_draw (Widget * w);
+void widget_erase (Widget * w);
+void widget_set_visibility (Widget * w, gboolean make_visible);
+gboolean widget_is_active (const void *w);
+void widget_replace (Widget * old, Widget * new);
+gboolean widget_is_focusable (const Widget * w);
+void widget_select (Widget * w);
+void widget_set_bottom (Widget * w);
+
+long widget_lookup_key (Widget * w, int key);
+
+void widget_default_make_global (Widget * w, const WRect * delta);
+void widget_default_make_local (Widget * w, const WRect * delta);
+
+GList *widget_default_find (const Widget * w, const Widget * what);
+Widget *widget_default_find_by_type (const Widget * w, widget_cb_fn cb);
+Widget *widget_default_find_by_id (const Widget * w, unsigned long id);
+
+cb_ret_t widget_default_set_state (Widget * w, widget_state_t state, gboolean enable);
+
+void widget_default_destroy (Widget * w);
+
+/* get mouse pointer location within widget */
+Gpm_Event mouse_get_local (const Gpm_Event * global, const Widget * w);
+gboolean mouse_global_in_widget (const Gpm_Event * event, const Widget * w);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** inline functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static inline cb_ret_t
+send_message (void *w, void *sender, widget_msg_t msg, int parm, void *data)
+{
+    cb_ret_t ret = MSG_NOT_HANDLED;
+
+#if 1
+    if (w != NULL)              /* This must be always true, but... */
+#endif
+        ret = WIDGET (w)->callback (WIDGET (w), WIDGET (sender), msg, parm, data);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check whether one or several option flags are set or not.
+  * @param w widget
+  * @param options widget option flags
+  *
+  * @return TRUE if all requested option flags are set, FALSE otherwise.
+  */
+
+static inline gboolean
+widget_get_options (const Widget * w, widget_options_t options)
+{
+    return ((w->options & options) == options);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Check whether one or several state flags are set or not.
+  * @param w widget
+  * @param state widget state flags
+  *
+  * @return TRUE if all requested state flags are set, FALSE otherwise.
+  */
+
+static inline gboolean
+widget_get_state (const Widget * w, widget_state_t state)
+{
+    return ((w->state & state) == state);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Convert widget coordinates from local (relative to owner) to global (relative to screen).
+  *
+  * @param w widget
+  */
+
+static inline void
+widget_make_global (Widget * w)
+{
+    w->make_global (w, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+  * Convert widget coordinates from global (relative to screen) to local (relative to owner).
+  *
+  * @param w widget
+  */
+
+static inline void
+widget_make_local (Widget * w)
+{
+    w->make_local (w, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Find widget.
+ *
+ * @param w widget
+ * @param what widget to find
+ *
+ * @return result of @w->find()
+ */
+
+static inline GList *
+widget_find (const Widget * w, const Widget * what)
+{
+    return w->find (w, what);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Find widget by widget type using widget callback.
+ *
+ * @param w widget
+ * @param cb widget callback
+ *
+ * @return result of @w->find_by_type()
+ */
+
+static inline Widget *
+widget_find_by_type (const Widget * w, widget_cb_fn cb)
+{
+    return w->find_by_type (w, cb);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Find widget by widget ID.
+ *
+ * @param w widget
+ * @param id widget ID
+ *
+ * @return result of @w->find_by_id()
+ */
+
+static inline Widget *
+widget_find_by_id (const Widget * w, unsigned long id)
+{
+    return w->find_by_id (w, id);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Modify state of widget.
+ *
+ * @param w      widget
+ * @param state  widget state flag to modify
+ * @param enable specifies whether to turn the flag on (TRUE) or off (FALSE).
+ *               Only one flag per call can be modified.
+ * @return       MSG_HANDLED if set was handled successfully, MSG_NOT_HANDLED otherwise.
+ */
+
+static inline cb_ret_t
+widget_set_state (Widget * w, widget_state_t state, gboolean enable)
+{
+    return w->set_state (w, state, enable);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Destroy widget.
+ *
+ * @param w widget
+ */
+
+static inline void
+widget_destroy (Widget * w)
+{
+    w->destroy (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get color colors of widget.
+ *
+ * @param w widget
+ * @return  color colors
+ */
+static inline const int *
+widget_get_colors (const Widget * w)
+{
+    return w->get_colors (w);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Update cursor position in the specified widget.
+ *
+ * @param w widget
+ *
+ * @return TRUE if cursor was updated successfully, FALSE otherwise
+ */
+
+static inline gboolean
+widget_update_cursor (Widget * w)
+{
+    return (send_message (w, NULL, MSG_CURSOR, 0, NULL) == MSG_HANDLED);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+widget_show (Widget * w)
+{
+    widget_set_visibility (w, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+widget_hide (Widget * w)
+{
+    widget_set_visibility (w, FALSE);
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check whether two widgets are overlapped or not.
+  * @param a 1st widget
+  * @param b 2nd widget
+  *
+  * @return TRUE if widgets are overlapped, FALSE otherwise.
+  */
+
+static inline gboolean
+widget_overlapped (const Widget * a, const Widget * b)
+{
+    return rects_are_overlapped (&a->rect, &b->rect);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* MC__WIDGET_INTERNAL_H */
diff --git a/lib/widget/wtools.c b/lib/widget/wtools.c
new file mode 100644
index 0000000..99f6f00
--- /dev/null
+++ b/lib/widget/wtools.c
@@ -0,0 +1,727 @@
+/*
+   Widget based utility functions.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Miguel de Icaza, 1994, 1995, 1996
+   Radek Doulik, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1995
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file wtools.c
+ *  \brief Source: widget based utility functions
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/key.h"        /* tty_getch() */
+#include "lib/strutil.h"
+#include "lib/util.h"           /* tilde_expand() */
+#include "lib/widget.h"
+#include "lib/event.h"          /* mc_event_raise() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static WDialog *last_query_dlg;
+
+static int sel_pos = 0;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** default query callback, used to reposition query */
+
+static cb_ret_t
+query_default_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WDialog *h = DIALOG (w);
+
+    switch (msg)
+    {
+    case MSG_RESIZE:
+        if ((w->pos_flags & WPOS_CENTER) == 0)
+        {
+            WDialog *prev_dlg = NULL;
+            int ypos, xpos;
+            WRect r;
+
+            /* get dialog under h */
+            if (top_dlg != NULL)
+            {
+                if (top_dlg->data != (void *) h)
+                    prev_dlg = DIALOG (top_dlg->data);
+                else
+                {
+                    GList *p;
+
+                    /* Top dialog is current if it is visible.
+                       Get previous dialog in stack */
+                    p = g_list_next (top_dlg);
+                    if (p != NULL)
+                        prev_dlg = DIALOG (p->data);
+                }
+            }
+
+            /* if previous dialog is not fullscreen'd -- overlap it */
+            if (prev_dlg == NULL || (WIDGET (prev_dlg)->pos_flags & WPOS_FULLSCREEN) != 0)
+                ypos = LINES / 3 - (w->rect.lines - 3) / 2;
+            else
+                ypos = WIDGET (prev_dlg)->rect.y + 2;
+
+            /* if dialog is too high, place it centered */
+            if (ypos + w->rect.lines < LINES / 2)
+                w->pos_flags |= WPOS_CENTER;
+
+            xpos = COLS / 2 - w->rect.cols / 2;
+
+            /* set position */
+            rect_init (&r, ypos, xpos, w->rect.lines, w->rect.cols);
+
+            return dlg_default_callback (w, NULL, MSG_RESIZE, 0, &r);
+        }
+        MC_FALLTHROUGH;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Create message dialog */
+
+static WDialog *
+do_create_message (int flags, const char *title, const char *text)
+{
+    char *p;
+    WDialog *d;
+
+    /* Add empty lines before and after the message */
+    p = g_strconcat ("\n", text, "\n", (char *) NULL);
+    query_dialog (title, p, flags, 0);
+    d = last_query_dlg;
+
+    /* do resize before initing and running */
+    send_message (d, NULL, MSG_RESIZE, 0, NULL);
+
+    dlg_init (d);
+    g_free (p);
+
+    return d;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show message dialog.  Dismiss it when any key is pressed.
+ * Not safe to call from background.
+ */
+
+static void
+fg_message (int flags, const char *title, const char *text)
+{
+    WDialog *d;
+
+    d = do_create_message (flags, title, text);
+    tty_getch ();
+    dlg_run_done (d);
+    widget_destroy (WIDGET (d));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Show message box from background */
+
+#ifdef ENABLE_BACKGROUND
+static void
+bg_message (int dummy, int *flags, char *title, const char *text)
+{
+    (void) dummy;
+    title = g_strconcat (_("Background process:"), " ", title, (char *) NULL);
+    fg_message (*flags, title, text);
+    g_free (title);
+}
+#endif /* ENABLE_BACKGROUND */
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Show dialog, not background safe.
+ *
+ * If the arguments "header" and "text" should be translated,
+ * that MUST be done by the caller of fg_input_dialog_help().
+ *
+ * The argument "history_name" holds the name of a section
+ * in the history file. Data entered in the input field of
+ * the dialog box will be stored there.
+ *
+ */
+static char *
+fg_input_dialog_help (const char *header, const char *text, const char *help,
+                      const char *history_name, const char *def_text, gboolean strip_password,
+                      input_complete_t completion_flags)
+{
+    char *p_text;
+    char histname[64] = "inp|";
+    gboolean is_passwd = FALSE;
+    char *my_str;
+    int ret;
+
+    /* label text */
+    p_text = g_strstrip (g_strdup (text));
+
+    /* input history */
+    if (history_name != NULL && *history_name != '\0')
+        g_strlcpy (histname + 3, history_name, sizeof (histname) - 3);
+
+    /* The special value of def_text is used to identify password boxes
+       and hide characters with "*".  Don't save passwords in history! */
+    if (def_text == INPUT_PASSWORD)
+    {
+        is_passwd = TRUE;
+        histname[3] = '\0';
+        def_text = "";
+    }
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_LABELED_INPUT (p_text, input_label_above, def_text, histname, &my_str,
+                                 NULL, is_passwd, strip_password, completion_flags),
+            QUICK_BUTTONS_OK_CANCEL,
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, COLS / 2 };
+
+        quick_dialog_t qdlg = {
+            r, header, help,
+            quick_widgets, NULL, NULL
+        };
+
+        ret = quick_dialog (&qdlg);
+    }
+
+    g_free (p_text);
+
+    return (ret != B_CANCEL) ? my_str : NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef ENABLE_BACKGROUND
+static int
+wtools_parent_call (void *routine, gpointer ctx, int argc, ...)
+{
+    ev_background_parent_call_t event_data;
+
+    event_data.routine = routine;
+    event_data.ctx = ctx;
+    event_data.argc = argc;
+    va_start (event_data.ap, argc);
+    mc_event_raise (MCEVENT_GROUP_CORE, "background_parent_call", (gpointer) & event_data);
+    va_end (event_data.ap);
+    return event_data.ret.i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+wtools_parent_call_string (void *routine, int argc, ...)
+{
+    ev_background_parent_call_t event_data;
+
+    event_data.routine = routine;
+    event_data.argc = argc;
+    va_start (event_data.ap, argc);
+    mc_event_raise (MCEVENT_GROUP_CORE, "background_parent_call_string", (gpointer) & event_data);
+    va_end (event_data.ap);
+    return event_data.ret.s;
+}
+#endif /* ENABLE_BACKGROUND */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** Used to ask questions to the user */
+int
+query_dialog (const char *header, const char *text, int flags, int count, ...)
+{
+    va_list ap;
+    WDialog *query_dlg;
+    WGroup *g;
+    WButton *button;
+    int win_len = 0;
+    int i;
+    int result = -1;
+    int cols, lines;
+    const int *query_colors = (flags & D_ERROR) != 0 ? alarm_colors : dialog_colors;
+    widget_pos_flags_t pos_flags =
+        (flags & D_CENTER) != 0 ? (WPOS_CENTER | WPOS_TRYUP) : WPOS_KEEP_DEFAULT;
+
+    if (header == MSG_ERROR)
+        header = _("Error");
+
+    if (count > 0)
+    {
+        va_start (ap, count);
+        for (i = 0; i < count; i++)
+        {
+            char *cp = va_arg (ap, char *);
+
+            win_len += str_term_width1 (cp) + 6;
+            if (strchr (cp, '&') != NULL)
+                win_len--;
+        }
+        va_end (ap);
+    }
+
+    /* count coordinates */
+    str_msg_term_size (text, &lines, &cols);
+    cols = 6 + MAX (win_len, MAX (str_term_width1 (header), cols));
+    lines += 4 + (count > 0 ? 2 : 0);
+
+    /* prepare dialog */
+    query_dlg =
+        dlg_create (TRUE, 0, 0, lines, cols, pos_flags, FALSE, query_colors, query_default_callback,
+                    NULL, "[QueryBox]", header);
+    g = GROUP (query_dlg);
+
+    if (count > 0)
+    {
+        WButton *defbutton = NULL;
+
+        group_add_widget_autopos (g, label_new (2, 3, text), WPOS_KEEP_TOP | WPOS_CENTER_HORZ,
+                                  NULL);
+        group_add_widget (g, hline_new (lines - 4, -1, -1));
+
+        cols = (cols - win_len - 2) / 2 + 2;
+        va_start (ap, count);
+        for (i = 0; i < count; i++)
+        {
+            int xpos;
+            char *cur_name;
+
+            cur_name = va_arg (ap, char *);
+            xpos = str_term_width1 (cur_name) + 6;
+            if (strchr (cur_name, '&') != NULL)
+                xpos--;
+
+            button = button_new (lines - 3, cols, B_USER + i, NORMAL_BUTTON, cur_name, NULL);
+            group_add_widget (g, button);
+            cols += xpos;
+            if (i == sel_pos)
+                defbutton = button;
+        }
+        va_end (ap);
+
+        /* do resize before running and selecting any widget */
+        send_message (query_dlg, NULL, MSG_RESIZE, 0, NULL);
+
+        if (defbutton != NULL)
+            widget_select (WIDGET (defbutton));
+
+        /* run dialog and make result */
+        switch (dlg_run (query_dlg))
+        {
+        case B_CANCEL:
+            break;
+        default:
+            result = query_dlg->ret_value - B_USER;
+        }
+
+        /* free used memory */
+        widget_destroy (WIDGET (query_dlg));
+    }
+    else
+    {
+        group_add_widget_autopos (g, label_new (2, 3, text), WPOS_KEEP_TOP | WPOS_CENTER_HORZ,
+                                  NULL);
+        group_add_widget (g, button_new (0, 0, 0, HIDDEN_BUTTON, "-", NULL));
+        last_query_dlg = query_dlg;
+    }
+    sel_pos = 0;
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+query_set_sel (int new_sel)
+{
+    sel_pos = new_sel;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create message dialog.  The caller must call dlg_run_done() and
+ * widget_destroy() to dismiss it.  Not safe to call from background.
+ */
+
+WDialog *
+create_message (int flags, const char *title, const char *text, ...)
+{
+    va_list args;
+    WDialog *d;
+    char *p;
+
+    va_start (args, text);
+    p = g_strdup_vprintf (text, args);
+    va_end (args);
+
+    d = do_create_message (flags, title, p);
+    g_free (p);
+
+    return d;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Show message box, background safe */
+
+void
+message (int flags, const char *title, const char *text, ...)
+{
+    char *p;
+    va_list ap;
+
+    va_start (ap, text);
+    p = g_strdup_vprintf (text, ap);
+    va_end (ap);
+
+    if (title == MSG_ERROR)
+        title = _("Error");
+
+#ifdef ENABLE_BACKGROUND
+    if (mc_global.we_are_background)
+    {
+        union
+        {
+            void *p;
+            void (*f) (int, int *, char *, const char *);
+        } func;
+        func.f = bg_message;
+
+        wtools_parent_call (func.p, NULL, 3, sizeof (flags), &flags, strlen (title), title,
+                            strlen (p), p);
+    }
+    else
+#endif /* ENABLE_BACKGROUND */
+        fg_message (flags, title, p);
+
+    g_free (p);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Show error message box */
+
+gboolean
+mc_error_message (GError ** mcerror, int *code)
+{
+    if (mcerror == NULL || *mcerror == NULL)
+        return FALSE;
+
+    if ((*mcerror)->code == 0)
+        message (D_ERROR, MSG_ERROR, "%s", (*mcerror)->message);
+    else
+        message (D_ERROR, MSG_ERROR, _("%s (%d)"), (*mcerror)->message, (*mcerror)->code);
+
+    if (code != NULL)
+        *code = (*mcerror)->code;
+
+    g_error_free (*mcerror);
+    *mcerror = NULL;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show input dialog, background safe.
+ *
+ * If the arguments "header" and "text" should be translated,
+ * that MUST be done by the caller of these wrappers.
+ */
+
+char *
+input_dialog_help (const char *header, const char *text, const char *help,
+                   const char *history_name, const char *def_text, gboolean strip_password,
+                   input_complete_t completion_flags)
+{
+#ifdef ENABLE_BACKGROUND
+    if (mc_global.we_are_background)
+    {
+        union
+        {
+            void *p;
+            char *(*f) (const char *, const char *, const char *, const char *, const char *,
+                        gboolean, input_complete_t);
+        } func;
+        func.f = fg_input_dialog_help;
+        return wtools_parent_call_string (func.p, 7,
+                                          strlen (header), header, strlen (text),
+                                          text, strlen (help), help,
+                                          strlen (history_name), history_name,
+                                          strlen (def_text), def_text,
+                                          sizeof (gboolean), strip_password,
+                                          sizeof (input_complete_t), completion_flags);
+    }
+    else
+#endif /* ENABLE_BACKGROUND */
+        return fg_input_dialog_help (header, text, help, history_name, def_text, strip_password,
+                                     completion_flags);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Show input dialog with default help, background safe */
+
+char *
+input_dialog (const char *header, const char *text, const char *history_name, const char *def_text,
+              input_complete_t completion_flags)
+{
+    return input_dialog_help (header, text, "[Input Line Keys]", history_name, def_text, FALSE,
+                              completion_flags);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+input_expand_dialog (const char *header, const char *text,
+                     const char *history_name, const char *def_text,
+                     input_complete_t completion_flags)
+{
+    char *result;
+
+    result = input_dialog (header, text, history_name, def_text, completion_flags);
+    if (result)
+    {
+        char *expanded;
+
+        expanded = tilde_expand (result);
+        g_free (result);
+        return expanded;
+    }
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create status message window object and initialize it
+ *
+ * @param title window title
+ * @param delay initial delay to raise window in seconds
+ * @param init_cb callback to initialize user-defined part of status message
+ * @param update_cb callback to update of status message
+ * @param deinit_cb callback to deinitialize user-defined part of status message
+ *
+ * @return newly allocate status message window
+ */
+
+status_msg_t *
+status_msg_create (const char *title, double delay, status_msg_cb init_cb,
+                   status_msg_update_cb update_cb, status_msg_cb deinit_cb)
+{
+    status_msg_t *sm;
+
+    sm = g_try_new (status_msg_t, 1);
+    status_msg_init (sm, title, delay, init_cb, update_cb, deinit_cb);
+
+    return sm;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Destroy status message window object
+ *
+ * @param sm status message window object
+ */
+
+void
+status_msg_destroy (status_msg_t * sm)
+{
+    status_msg_deinit (sm);
+    g_free (sm);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Initialize already created status message window object
+ *
+ * @param sm status message window object
+ * @param title window title
+ * @param delay initial delay to raise window in seconds
+ * @param init_cb callback to initialize user-defined part of status message
+ * @param update_cb callback to update of status message
+ * @param deinit_cb callback to deinitialize user-defined part of status message
+ */
+
+void
+status_msg_init (status_msg_t * sm, const char *title, double delay, status_msg_cb init_cb,
+                 status_msg_update_cb update_cb, status_msg_cb deinit_cb)
+{
+    gint64 start;
+
+    /* repaint screen to remove previous finished dialog */
+    mc_refresh ();
+
+    start = g_get_monotonic_time ();
+
+    sm->dlg = dlg_create (TRUE, 0, 0, 7, MIN (MAX (40, COLS / 2), COLS), WPOS_CENTER, FALSE,
+                          dialog_colors, NULL, NULL, NULL, title);
+    sm->start = start;
+    sm->delay = (gint64) (delay * G_USEC_PER_SEC);
+    sm->block = FALSE;
+
+    sm->init = init_cb;
+    sm->update = update_cb;
+    sm->deinit = deinit_cb;
+
+    if (sm->init != NULL)
+        sm->init (sm);
+
+    if (mc_time_elapsed (&start, sm->delay))
+    {
+        /* We will manage the dialog without any help, that's why we have to call dlg_init */
+        dlg_init (sm->dlg);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deinitialize status message window object
+ *
+ * @param sm status message window object
+ */
+
+void
+status_msg_deinit (status_msg_t * sm)
+{
+    if (sm == NULL)
+        return;
+
+    if (sm->deinit != NULL)
+        sm->deinit (sm);
+
+    /* close and destroy dialog */
+    dlg_run_done (sm->dlg);
+    widget_destroy (WIDGET (sm->dlg));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Update status message window
+ *
+ * @param sm status message window object
+ *
+ * @return value of pressed key
+ */
+
+int
+status_msg_common_update (status_msg_t * sm)
+{
+    int c;
+    Gpm_Event event;
+
+    if (sm == NULL)
+        return B_ENTER;
+
+    /* This should not happen, but... */
+    if (sm->dlg == NULL)
+        return B_ENTER;
+
+    if (widget_get_state (WIDGET (sm->dlg), WST_CONSTRUCT))
+    {
+        /* dialog is not shown yet */
+
+        /* do not change sm->start */
+        gint64 start = sm->start;
+
+        if (mc_time_elapsed (&start, sm->delay))
+            dlg_init (sm->dlg);
+
+        return B_ENTER;
+    }
+
+    event.x = -1;               /* Don't show the GPM cursor */
+    c = tty_get_event (&event, FALSE, sm->block);
+    if (c == EV_NONE)
+        return B_ENTER;
+
+    /* Reinitialize by non-B_CANCEL value to avoid old values
+       after events other than selecting a button */
+    sm->dlg->ret_value = B_ENTER;
+    dlg_process_event (sm->dlg, c, &event);
+
+    return sm->dlg->ret_value;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Callback to initialize already created simple status message window object
+ *
+ * @param sm status message window object
+ */
+
+void
+simple_status_msg_init_cb (status_msg_t * sm)
+{
+    simple_status_msg_t *ssm = SIMPLE_STATUS_MSG (sm);
+    Widget *wd = WIDGET (sm->dlg);
+    WGroup *wg = GROUP (sm->dlg);
+    WRect r;
+
+    const char *b_name = N_("&Abort");
+    int b_width;
+    int wd_width, y;
+    Widget *b;
+
+#ifdef ENABLE_NLS
+    b_name = _(b_name);
+#endif
+
+    b_width = str_term_width1 (b_name) + 4;
+    wd_width = MAX (wd->rect.cols, b_width + 6);
+
+    y = 2;
+    ssm->label = label_new (y++, 3, "");
+    group_add_widget_autopos (wg, ssm->label, WPOS_KEEP_TOP | WPOS_CENTER_HORZ, NULL);
+    group_add_widget (wg, hline_new (y++, -1, -1));
+    b = WIDGET (button_new (y++, 3, B_CANCEL, NORMAL_BUTTON, b_name, NULL));
+    group_add_widget_autopos (wg, b, WPOS_KEEP_TOP | WPOS_CENTER_HORZ, NULL);
+
+    r = wd->rect;
+    r.lines = y + 2;
+    r.cols = wd_width;
+    widget_set_size_rect (wd, &r);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/widget/wtools.h b/lib/widget/wtools.h
new file mode 100644
index 0000000..cd0bc32
--- /dev/null
+++ b/lib/widget/wtools.h
@@ -0,0 +1,100 @@
+/** \file wtools.h
+ *  \brief Header: widget based utility functions
+ */
+
+#ifndef MC__WTOOLS_H
+#define MC__WTOOLS_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Pass this as def_text to request a password */
+#define INPUT_PASSWORD ((char *) -1)
+
+/* Use this as header for message() - it expands to "Error" */
+#define MSG_ERROR ((char *) -1)
+
+typedef struct status_msg_t status_msg_t;
+#define STATUS_MSG(x) ((status_msg_t *)(x))
+
+typedef struct simple_status_msg_t simple_status_msg_t;
+#define SIMPLE_STATUS_MSG(x) ((simple_status_msg_t *)(x))
+
+typedef void (*status_msg_cb) (status_msg_t * sm);
+typedef int (*status_msg_update_cb) (status_msg_t * sm);
+
+/*** enums ***************************************************************************************/
+
+/* flags for message() and query_dialog() */
+enum
+{
+    D_NORMAL = 0,
+    D_ERROR = (1 << 0),
+    D_CENTER = (1 << 1)
+} /* dialog options */ ;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* Base class for status message of long-time operations.
+   Useful to show progress of long-time operaions and interrupt it. */
+
+struct status_msg_t
+{
+    WDialog *dlg;               /* pointer to status message dialog */
+    gint64 start;               /* start time in microseconds */
+    gint64 delay;               /* delay before raise the 'dlg' in microseconds */
+    gboolean block;             /* how to get event using tty_get_event() */
+
+    status_msg_cb init;         /* callback to init derived classes */
+    status_msg_update_cb update;        /* callback to update dlg */
+    status_msg_cb deinit;       /* callback to deinit derived classes */
+};
+
+/* Simple status message with label and 'Abort' button */
+struct simple_status_msg_t
+{
+    status_msg_t status_msg;    /* base class */
+
+    WLabel *label;
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* The input dialogs */
+char *input_dialog (const char *header, const char *text,
+                    const char *history_name, const char *def_text,
+                    input_complete_t completion_flags);
+char *input_dialog_help (const char *header, const char *text, const char *help,
+                         const char *history_name, const char *def_text, gboolean strip_password,
+                         input_complete_t completion_flags);
+char *input_expand_dialog (const char *header, const char *text, const char *history_name,
+                           const char *def_text, input_complete_t completion_flags);
+
+int query_dialog (const char *header, const char *text, int flags, int count, ...);
+void query_set_sel (int new_sel);
+
+/* Create message box but don't dismiss it yet, not background safe */
+/* *INDENT-OFF* */
+WDialog *create_message (int flags, const char *title, const char *text, ...)
+        G_GNUC_PRINTF (3, 4);
+
+/* Show message box, background safe */
+void message (int flags, const char *title, const char *text, ...) G_GNUC_PRINTF (3, 4);
+/* *INDENT-ON* */
+
+gboolean mc_error_message (GError ** mcerror, int *code);
+
+status_msg_t *status_msg_create (const char *title, double delay, status_msg_cb init_cb,
+                                 status_msg_update_cb update_cb, status_msg_cb deinit_cb);
+void status_msg_destroy (status_msg_t * sm);
+void status_msg_init (status_msg_t * sm, const char *title, double delay, status_msg_cb init_cb,
+                      status_msg_update_cb update_cb, status_msg_cb deinit_cb);
+void status_msg_deinit (status_msg_t * sm);
+int status_msg_common_update (status_msg_t * sm);
+
+void simple_status_msg_init_cb (status_msg_t * sm);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__WTOOLS_H */