Adding upstream version 3:4.8.30.upstream/3%4.8.30

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

26 files changed, 17712 insertions, 0 deletions

diff --git a/src/editor/Makefile.am b/src/editor/Makefile.am
new file mode 100644
index 0000000..304cb35
--- /dev/null
+++ b/src/editor/Makefile.am
@@ -0,0 +1,33 @@
+EXTRA_DIST =
+
+if USE_INTERNAL_EDIT
+noinst_LTLIBRARIES = libedit.la
+else
+noinst_LTLIBRARIES =
+endif
+
+libedit_la_SOURCES = \
+	bookmark.c \
+	edit-impl.h \
+	edit.c edit.h \
+	editcomplete.c editcomplete.h \
+	editbuffer.c editbuffer.h \
+	editcmd.c \
+	editdraw.c \
+	editmacros.c editmacros.h \
+	editmenu.c \
+	editoptions.c \
+	editsearch.c editsearch.h \
+	editwidget.c editwidget.h \
+	etags.c etags.h \
+	format.c \
+	syntax.c
+
+if USE_ASPELL
+if HAVE_GMODULE
+libedit_la_SOURCES += \
+	spell.c spell.h
+endif
+endif
+
+AM_CPPFLAGS = $(GLIB_CFLAGS) -I$(top_srcdir)
diff --git a/src/editor/Makefile.in b/src/editor/Makefile.in
new file mode 100644
index 0000000..b20d678
--- /dev/null
+++ b/src/editor/Makefile.in
@@ -0,0 +1,801 @@
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+	     $$unique
+
+GTAGS:
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
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+	  sed -e "s|^$$srcdirstrip/||;t" \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
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+			   sort -u` ;; \
+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); 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" \
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+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+mostlyclean-generic:
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+	-rm -f ./$(DEPDIR)/editmenu.Plo
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+	-rm -f ./$(DEPDIR)/editcomplete.Plo
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+	-rm -f ./$(DEPDIR)/editoptions.Plo
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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/src/editor/bookmark.c b/src/editor/bookmark.c
new file mode 100644
index 0000000..d530660
--- /dev/null
+++ b/src/editor/bookmark.c
@@ -0,0 +1,349 @@
+/*
+   Editor book mark handling
+
+   Copyright (C) 2001-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+
+   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: editor book mark handling
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+
+#include <ctype.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/util.h"           /* MAX_SAVED_BOOKMARKS */
+
+#include "editwidget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** note, if there is more than one bookmark on a line, then they are
+   appended after each other and the last one is always the one found
+   by book_mark_found() i.e. last in is the one seen */
+
+static edit_book_mark_t *
+double_marks (WEdit * edit, edit_book_mark_t * p)
+{
+    (void) edit;
+
+    if (p->next != NULL)
+        while (p->next->line == p->line)
+            p = p->next;
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns the first bookmark on or before this line */
+
+edit_book_mark_t *
+book_mark_find (WEdit * edit, long line)
+{
+    edit_book_mark_t *p;
+
+    if (edit->book_mark == NULL)
+    {
+        /* must have an imaginary top bookmark at line -1 to make things less complicated  */
+        edit->book_mark = g_new0 (edit_book_mark_t, 1);
+        edit->book_mark->line = -1;
+        return edit->book_mark;
+    }
+
+    for (p = edit->book_mark; p != NULL; p = p->next)
+    {
+        if (p->line > line)
+            break;              /* gone past it going downward */
+
+        if (p->next != NULL)
+        {
+            if (p->next->line > line)
+            {
+                edit->book_mark = p;
+                return double_marks (edit, p);
+            }
+        }
+        else
+        {
+            edit->book_mark = p;
+            return double_marks (edit, p);
+        }
+    }
+
+    for (p = edit->book_mark; p != NULL; p = p->prev)
+    {
+        if (p->next != NULL && p->next->line <= line)
+            break;              /* gone past it going upward */
+
+        if (p->line <= line)
+        {
+            if (p->next != NULL)
+            {
+                if (p->next->line > line)
+                {
+                    edit->book_mark = p;
+                    return double_marks (edit, p);
+                }
+            }
+            else
+            {
+                edit->book_mark = p;
+                return double_marks (edit, p);
+            }
+        }
+    }
+
+    return NULL;                /* can't get here */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** 
+ * Check if bookmark bookmark exists at this line of this color
+ *
+ * @param edit editor object
+ * @param line line where book mark is
+ * @param c color of book mark
+ * @return TRUE if bookmark exists at this line of color c, FALSE otherwise
+ */
+
+gboolean
+book_mark_query_color (WEdit * edit, long line, int c)
+{
+    if (edit->book_mark != NULL)
+    {
+        edit_book_mark_t *p;
+
+        for (p = book_mark_find (edit, line); p != NULL; p = p->prev)
+        {
+            if (p->line != line)
+                return FALSE;
+            if (p->c == c)
+                return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** insert a bookmark at this line */
+
+void
+book_mark_insert (WEdit * edit, long line, int c)
+{
+    edit_book_mark_t *p, *q;
+
+    p = book_mark_find (edit, line);
+#if 0
+    if (p->line == line)
+    {
+        /* already exists, so just change the color */
+        if (p->c != c)
+        {
+            p->c = c;
+            edit->force |= REDRAW_LINE;
+        }
+        return;
+    }
+#endif
+    /* create list entry */
+    q = g_new (edit_book_mark_t, 1);
+    q->line = line;
+    q->c = c;
+    q->next = p->next;
+    /* insert into list */
+    q->prev = p;
+    if (p->next != NULL)
+        p->next->prev = q;
+    p->next = q;
+
+    edit->force |= REDRAW_LINE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** 
+ * Remove a bookmark if there is one at this line matching this color - c of -1 clear all
+ *
+ * @param edit editor object
+ * @param line line where book mark is
+ * @param c color of book mark or -1 to clear all book marks on this line
+ * @return FALSE if not found, TRUE otherwise
+ */
+
+gboolean
+book_mark_clear (WEdit * edit, long line, int c)
+{
+    edit_book_mark_t *p, *q;
+    gboolean r = FALSE;
+
+    if (edit->book_mark == NULL)
+        return r;
+
+    for (p = book_mark_find (edit, line); p != NULL; p = q)
+    {
+        q = p->prev;
+        if (p->line == line && (p->c == c || c == -1))
+        {
+            r = TRUE;
+            edit->book_mark = p->prev;
+            p->prev->next = p->next;
+            if (p->next != NULL)
+                p->next->prev = p->prev;
+            g_free (p);
+            edit->force |= REDRAW_LINE;
+            break;
+        }
+    }
+    /* if there is only our dummy book mark left, clear it for speed */
+    if (edit->book_mark->line == -1 && edit->book_mark->next == NULL)
+        MC_PTR_FREE (edit->book_mark);
+
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** clear all bookmarks matching this color, if c is -1 clears all */
+
+void
+book_mark_flush (WEdit * edit, int c)
+{
+    edit_book_mark_t *p, *q;
+
+    if (edit->book_mark == NULL)
+        return;
+
+    while (edit->book_mark->prev != NULL)
+        edit->book_mark = edit->book_mark->prev;
+
+    for (q = edit->book_mark->next; q != NULL; q = p)
+    {
+        p = q->next;
+        if (q->c == c || c == -1)
+        {
+            q->prev->next = q->next;
+            if (p != NULL)
+                p->prev = q->prev;
+            g_free (q);
+        }
+    }
+    if (edit->book_mark->next == NULL)
+        MC_PTR_FREE (edit->book_mark);
+
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** shift down bookmarks after this line */
+
+void
+book_mark_inc (WEdit * edit, long line)
+{
+    if (edit->book_mark != NULL)
+    {
+        edit_book_mark_t *p;
+
+        p = book_mark_find (edit, line);
+        for (p = p->next; p != NULL; p = p->next)
+            p->line++;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** shift up bookmarks after this line */
+
+void
+book_mark_dec (WEdit * edit, long line)
+{
+    if (edit->book_mark != NULL)
+    {
+        edit_book_mark_t *p;
+
+        p = book_mark_find (edit, line);
+        for (p = p->next; p != NULL; p = p->next)
+            p->line--;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** prepare line positions of bookmarks to be saved to file */
+
+void
+book_mark_serialize (WEdit * edit, int color)
+{
+    if (edit->serialized_bookmarks != NULL)
+        g_array_set_size (edit->serialized_bookmarks, 0);
+
+    if (edit->book_mark != NULL)
+    {
+        edit_book_mark_t *p;
+
+        if (edit->serialized_bookmarks == NULL)
+            edit->serialized_bookmarks = g_array_sized_new (FALSE, FALSE, sizeof (size_t),
+                                                            MAX_SAVED_BOOKMARKS);
+
+        for (p = book_mark_find (edit, 0); p != NULL; p = p->next)
+            if (p->c == color && p->line >= 0)
+                g_array_append_val (edit->serialized_bookmarks, p->line);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** restore bookmarks from saved line positions */
+
+void
+book_mark_restore (WEdit * edit, int color)
+{
+    if (edit->serialized_bookmarks != NULL)
+    {
+        size_t i;
+
+        for (i = 0; i < edit->serialized_bookmarks->len; i++)
+            book_mark_insert (edit, g_array_index (edit->serialized_bookmarks, size_t, i), color);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/edit-impl.h b/src/editor/edit-impl.h
new file mode 100644
index 0000000..3d00545
--- /dev/null
+++ b/src/editor/edit-impl.h
@@ -0,0 +1,278 @@
+/*
+   editor private API
+ */
+
+/** \file edit-impl.h
+ *  \brief Header: editor low level data handling and cursor fundamentals
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#ifndef MC__EDIT_IMPL_H
+#define MC__EDIT_IMPL_H
+
+#include <stdio.h>
+
+#include "lib/search.h"         /* mc_search_type_t */
+#include "lib/widget.h"         /* cb_ret_t */
+#include "lib/vfs/vfs.h"        /* vfs_path_t */
+
+#include "src/setup.h"          /* option_tab_spacing */
+
+#include "edit.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define REDRAW_LINE          (1 << 0)
+#define REDRAW_LINE_ABOVE    (1 << 1)
+#define REDRAW_LINE_BELOW    (1 << 2)
+#define REDRAW_AFTER_CURSOR  (1 << 3)
+#define REDRAW_BEFORE_CURSOR (1 << 4)
+#define REDRAW_PAGE          (1 << 5)
+#define REDRAW_IN_BOUNDS     (1 << 6)
+#define REDRAW_CHAR_ONLY     (1 << 7)
+#define REDRAW_COMPLETELY    (1 << 8)
+
+#define EDIT_TEXT_HORIZONTAL_OFFSET 0
+#define EDIT_TEXT_VERTICAL_OFFSET   0
+
+#define EDIT_RIGHT_EXTREME 0
+#define EDIT_LEFT_EXTREME 0
+#define EDIT_TOP_EXTREME 0
+#define EDIT_BOTTOM_EXTREME 0
+
+/* Initial size of the undo stack, in bytes */
+#define START_STACK_SIZE 32
+
+/* Some codes that may be pushed onto or returned from the undo stack */
+#define CURS_LEFT       601
+#define CURS_RIGHT      602
+#define DELCHAR         603
+#define BACKSPACE       604
+#define STACK_BOTTOM    605
+#define CURS_LEFT_LOTS  606
+#define CURS_RIGHT_LOTS 607
+#define COLUMN_ON       608
+#define COLUMN_OFF      609
+#define DELCHAR_BR      610
+#define BACKSPACE_BR    611
+#define MARK_1          1000
+#define MARK_2          500000000
+#define MARK_CURS       1000000000
+#define KEY_PRESS       1500000000
+
+/* Tabs spaces: (sofar only HALF_TAB_SIZE is used: */
+#define TAB_SIZE      option_tab_spacing
+#define HALF_TAB_SIZE ((int) option_tab_spacing / 2)
+
+/* max count stack files */
+#define MAX_HISTORY_MOVETO     50
+#define LINE_STATE_WIDTH 8
+
+#define LB_NAMES (LB_MAC + 1)
+
+#define get_sys_error(s) (s)
+
+#define edit_error_dialog(h,s) query_dialog (h, s, D_ERROR, 1, _("&Dismiss"))
+#define edit_query_dialog(h,s) query_dialog (h, s, D_NORMAL, 1, _("&Dismiss"))
+#define edit_query_dialog2(h,t,a,b) query_dialog (h, t, D_NORMAL, 2, a, b)
+#define edit_query_dialog3(h,t,a,b,c) query_dialog (h, t, D_NORMAL, 3, a, b, c)
+
+/*** enums ***************************************************************************************/
+
+/* line breaks */
+typedef enum
+{
+    LB_ASIS = 0,
+    LB_UNIX,
+    LB_WIN,
+    LB_MAC
+} LineBreaks;
+
+typedef enum
+{
+    EDIT_QUICK_SAVE = 0,
+    EDIT_SAFE_SAVE,
+    EDIT_DO_BACKUP
+} edit_save_mode_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* search/replace options */
+typedef struct edit_search_options_t
+{
+    mc_search_type_t type;
+    gboolean case_sens;
+    gboolean backwards;
+    gboolean only_in_selection;
+    gboolean whole_words;
+    gboolean all_codepages;
+} edit_search_options_t;
+
+typedef struct edit_stack_type
+{
+    long line;
+    vfs_path_t *filename_vpath;
+} edit_stack_type;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern const char VERTICAL_MAGIC[5];
+/* if enable_show_tabs_tws == TRUE then use visible_tab visible_tws */
+extern gboolean enable_show_tabs_tws;
+
+extern edit_search_options_t edit_search_options;
+
+extern unsigned int edit_stack_iterator;
+extern edit_stack_type edit_history_moveto[MAX_HISTORY_MOVETO];
+
+extern int max_undo;
+extern gboolean auto_syntax;
+
+extern gboolean search_create_bookmark;
+
+extern char *edit_window_state_char;
+extern char *edit_window_close_char;
+
+/*** declarations of public functions ************************************************************/
+
+gboolean edit_add_window (WDialog * h, const WRect * r, const vfs_path_t * f, long fline);
+WEdit *edit_find_editor (const WDialog * h);
+gboolean edit_widget_is_editor (const Widget * w);
+gboolean edit_drop_hotkey_menu (WDialog * h, int key);
+void edit_menu_cmd (WDialog * h);
+void user_menu (WEdit * edit, const char *menu_file, int selected_entry);
+void edit_init_menu (WMenuBar * menubar);
+void edit_save_mode_cmd (void);
+off_t edit_move_forward3 (const WEdit * edit, off_t current, long cols, off_t upto);
+void edit_scroll_screen_over_cursor (WEdit * edit);
+void edit_render_keypress (WEdit * edit);
+void edit_scroll_upward (WEdit * edit, long i);
+void edit_scroll_downward (WEdit * edit, long i);
+void edit_scroll_right (WEdit * edit, long i);
+void edit_scroll_left (WEdit * edit, long i);
+void edit_move_up (WEdit * edit, long i, gboolean do_scroll);
+void edit_move_down (WEdit * edit, long i, gboolean do_scroll);
+void edit_move_to_prev_col (WEdit * edit, off_t p);
+long edit_get_col (const WEdit * edit);
+void edit_update_curs_row (WEdit * edit);
+void edit_update_curs_col (WEdit * edit);
+void edit_find_bracket (WEdit * edit);
+gboolean edit_reload_line (WEdit * edit, const vfs_path_t * filename_vpath, long line);
+void edit_set_codeset (WEdit * edit);
+
+void edit_block_copy_cmd (WEdit * edit);
+void edit_block_move_cmd (WEdit * edit);
+int edit_block_delete_cmd (WEdit * edit);
+void edit_delete_line (WEdit * edit);
+
+int edit_delete (WEdit * edit, gboolean byte_delete);
+int edit_backspace (WEdit * edit, gboolean byte_delete);
+void edit_insert (WEdit * edit, int c);
+void edit_insert_over (WEdit * edit);
+void edit_cursor_move (WEdit * edit, off_t increment);
+void edit_push_undo_action (WEdit * edit, long c);
+void edit_push_redo_action (WEdit * edit, long c);
+void edit_push_key_press (WEdit * edit);
+void edit_insert_ahead (WEdit * edit, int c);
+off_t edit_write_stream (WEdit * edit, FILE * f);
+char *edit_get_write_filter (const vfs_path_t * write_name_vpath,
+                             const vfs_path_t * filename_vpath);
+gboolean edit_save_confirm_cmd (WEdit * edit);
+gboolean edit_save_as_cmd (WEdit * edit);
+WEdit *edit_init (WEdit * edit, const WRect * r, const vfs_path_t * filename_vpath, long line);
+gboolean edit_clean (WEdit * edit);
+gboolean edit_ok_to_exit (WEdit * edit);
+gboolean edit_load_cmd (WDialog * h);
+gboolean edit_load_file_from_filename (WDialog * h, const vfs_path_t * vpath, long line);
+gboolean edit_load_file_from_history (WDialog * h);
+gboolean edit_load_syntax_file (WDialog * h);
+gboolean edit_load_menu_file (WDialog * h);
+gboolean edit_close_cmd (WEdit * edit);
+void edit_mark_cmd (WEdit * edit, gboolean unmark);
+void edit_mark_current_word_cmd (WEdit * edit);
+void edit_mark_current_line_cmd (WEdit * edit);
+void edit_set_markers (WEdit * edit, off_t m1, off_t m2, long c1, long c2);
+void edit_push_markers (WEdit * edit);
+
+gboolean edit_save_block (WEdit * edit, const char *filename, off_t start, off_t finish);
+gboolean edit_save_block_cmd (WEdit * edit);
+gboolean edit_insert_file_cmd (WEdit * edit);
+
+off_t edit_insert_file (WEdit * edit, const vfs_path_t * filename_vpath);
+gboolean edit_load_back_cmd (WEdit * edit);
+gboolean edit_load_forward_cmd (WEdit * edit);
+void edit_block_process_cmd (WEdit * edit, int macro_number);
+void edit_refresh_cmd (void);
+void edit_syntax_onoff_cmd (WDialog * h);
+void edit_show_tabs_tws_cmd (WDialog * h);
+void edit_show_margin_cmd (WDialog * h);
+void edit_show_numbers_cmd (WDialog * h);
+void edit_date_cmd (WEdit * edit);
+void edit_goto_cmd (WEdit * edit);
+gboolean eval_marks (WEdit * edit, off_t * start_mark, off_t * end_mark);
+void edit_status (WEdit * edit, gboolean active);
+void edit_execute_key_command (WEdit * edit, long command, int char_for_insertion);
+void edit_update_screen (WEdit * edit);
+void edit_save_size (WEdit * edit);
+gboolean edit_handle_move_resize (WEdit * edit, long command);
+void edit_toggle_fullscreen (WEdit * edit);
+void edit_move_to_line (WEdit * e, long line);
+void edit_move_display (WEdit * e, long line);
+void edit_word_wrap (WEdit * edit);
+int edit_sort_cmd (WEdit * edit);
+int edit_ext_cmd (WEdit * edit);
+
+gboolean edit_copy_to_X_buf_cmd (WEdit * edit);
+gboolean edit_cut_to_X_buf_cmd (WEdit * edit);
+gboolean edit_paste_from_X_buf_cmd (WEdit * edit);
+
+void edit_select_codepage_cmd (WEdit * edit);
+void edit_insert_literal_cmd (WEdit * edit);
+
+void edit_paste_from_history (WEdit * edit);
+
+void edit_set_filename (WEdit * edit, const vfs_path_t * name_vpath);
+
+void edit_load_syntax (WEdit * edit, GPtrArray * pnames, const char *type);
+void edit_free_syntax_rules (WEdit * edit);
+int edit_get_syntax_color (WEdit * edit, off_t byte_index);
+void edit_syntax_dialog (WEdit * edit);
+
+void book_mark_insert (WEdit * edit, long line, int c);
+gboolean book_mark_query_color (WEdit * edit, long line, int c);
+struct edit_book_mark_t *book_mark_find (WEdit * edit, long line);
+gboolean book_mark_clear (WEdit * edit, long line, int c);
+void book_mark_flush (WEdit * edit, int c);
+void book_mark_inc (WEdit * edit, long line);
+void book_mark_dec (WEdit * edit, long line);
+void book_mark_serialize (WEdit * edit, int color);
+void book_mark_restore (WEdit * edit, int color);
+
+gboolean edit_line_is_blank (WEdit * edit, long line);
+gboolean is_break_char (char c);
+void edit_options_dialog (WDialog * h);
+void edit_mail_dialog (WEdit * edit);
+void format_paragraph (WEdit * edit, gboolean force);
+
+/* either command or char_for_insertion must be passed as -1 */
+void edit_execute_cmd (WEdit * edit, long command, int char_for_insertion);
+
+int editcmd_dialog_raw_key_query (const char *heading, const char *query, gboolean cancel);
+
+/*** inline functions ****************************************************************************/
+
+/**
+ * Load a new file into the editor.  If it fails, preserve the old file.
+ * To do it, allocate a new widget, initialize it and, if the new file
+ * was loaded, copy the data to the old widget.
+ *
+ * @return TRUE on success, FALSE on failure.
+ */
+static inline gboolean
+edit_reload (WEdit * edit, const vfs_path_t * filename_vpath)
+{
+    return edit_reload_line (edit, filename_vpath, 0);
+}
+
+#endif /* MC__EDIT_IMPL_H */
diff --git a/src/editor/edit.c b/src/editor/edit.c
new file mode 100644
index 0000000..dc3b322
--- /dev/null
+++ b/src/editor/edit.c
@@ -0,0 +1,4067 @@
+/*
+   Editor low level data handling and cursor fundamentals.
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer 1996, 1997
+   Ilia Maslakov <il.smind@gmail.com> 2009, 2010, 2011
+   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
+ *  \brief Source: editor low level data handling and cursor fundamentals
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <stdint.h>             /* UINTMAX_MAX */
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/color.h"
+#include "lib/tty/tty.h"        /* attrset() */
+#include "lib/tty/key.h"        /* is_idle() */
+#include "lib/skin.h"           /* EDITOR_NORMAL_COLOR */
+#include "lib/fileloc.h"        /* EDIT_HOME_BLOCK_FILE */
+#include "lib/vfs/vfs.h"
+#include "lib/strutil.h"        /* utf string functions */
+#include "lib/util.h"           /* load_file_position(), save_file_position() */
+#include "lib/timefmt.h"        /* time formatting */
+#include "lib/lock.h"
+#include "lib/widget.h"
+
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"       /* get_codepage_id */
+#endif
+
+#include "src/usermenu.h"       /* user_menu_cmd() */
+
+#include "src/keymap.h"
+
+#include "edit-impl.h"
+#include "editwidget.h"
+#include "editsearch.h"
+#include "editcomplete.h"       /* edit_complete_word_cmd() */
+#include "editmacros.h"
+#include "etags.h"              /* edit_get_match_keyword_cmd() */
+#ifdef HAVE_ASPELL
+#include "spell.h"
+#endif
+
+/*** global variables ****************************************************************************/
+
+edit_options_t edit_options = {
+    .word_wrap_line_length = DEFAULT_WRAP_LINE_LENGTH,
+    .typewriter_wrap = FALSE,
+    .auto_para_formatting = FALSE,
+    .fill_tabs_with_spaces = FALSE,
+    .return_does_auto_indent = TRUE,
+    .backspace_through_tabs = FALSE,
+    .fake_half_tabs = TRUE,
+    .persistent_selections = TRUE,
+    .drop_selection_on_copy = TRUE,
+    .cursor_beyond_eol = FALSE,
+    .cursor_after_inserted_block = FALSE,
+    .state_full_filename = FALSE,
+    .line_state = FALSE,
+    .line_state_width = 0,
+    .save_mode = EDIT_QUICK_SAVE,
+    .confirm_save = TRUE,
+    .save_position = TRUE,
+    .syntax_highlighting = TRUE,
+    .group_undo = FALSE,
+    .backup_ext = NULL,
+    .filesize_threshold = NULL,
+    .stop_format_chars = NULL,
+    .visible_tabs = TRUE,
+    .visible_tws = TRUE,
+    .show_right_margin = FALSE,
+    .simple_statusbar = FALSE,
+    .check_nl_at_eof = FALSE
+};
+
+int max_undo = 32768;
+
+gboolean enable_show_tabs_tws = TRUE;
+
+unsigned int edit_stack_iterator = 0;
+edit_stack_type edit_history_moveto[MAX_HISTORY_MOVETO];
+/* magic sequence for say than block is vertical */
+const char VERTICAL_MAGIC[] = { '\1', '\1', '\1', '\1', '\n' };
+
+/*** file scope macro definitions ****************************************************************/
+
+#define TEMP_BUF_LEN 1024
+
+#define space_width 1
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* detecting an error on save is easy: just check if every byte has been written. */
+/* detecting an error on read, is not so easy 'cos there is not way to tell
+   whether you read everything or not. */
+/* FIXME: add proper 'triple_pipe_open' to read, write and check errors. */
+static const struct edit_filters
+{
+    const char *read, *write, *extension;
+} all_filters[] =
+{
+    /* *INDENT-OFF* */
+    { "xz -cd %s 2>&1", "xz > %s", ".xz"},
+    { "zstd -cd %s 2>&1", "zstd > %s", ".zst"},
+    { "lz4 -cd %s 2>&1", "lz4 > %s", ".lz4" },
+    { "lzip -cd %s 2>&1", "lzip > %s", ".lz"},
+    { "lzma -cd %s 2>&1", "lzma > %s", ".lzma" },
+    { "bzip2 -cd %s 2>&1", "bzip2 > %s", ".bz2" },
+    { "gzip -cd %s 2>&1", "gzip > %s", ".gz" },
+    { "gzip -cd %s 2>&1", "gzip > %s", ".Z" }
+    /* *INDENT-ON* */
+};
+
+static const off_t filesize_default_threshold = 64 * 1024 * 1024;       /* 64 MB */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+edit_load_status_update_cb (status_msg_t * sm)
+{
+    simple_status_msg_t *ssm = SIMPLE_STATUS_MSG (sm);
+    edit_buffer_read_file_status_msg_t *rsm = (edit_buffer_read_file_status_msg_t *) sm;
+    Widget *wd = WIDGET (sm->dlg);
+
+    if (verbose)
+        label_set_textv (ssm->label, _("Loading: %3d%%"),
+                         edit_buffer_calc_percent (rsm->buf, rsm->loaded));
+    else
+        label_set_text (ssm->label, _("Loading..."));
+
+    if (rsm->first)
+    {
+        Widget *lw = WIDGET (ssm->label);
+        WRect r;
+
+        r = wd->rect;
+        r.cols = MAX (r.cols, lw->rect.cols + 6);
+        widget_set_size_rect (wd, &r);
+        r = lw->rect;
+        r.x = wd->rect.x + (wd->rect.cols - r.cols) / 2;
+        widget_set_size_rect (lw, &r);
+        rsm->first = FALSE;
+    }
+
+    return status_msg_common_update (sm);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Load file OR text into buffers.  Set cursor to the beginning of file.
+ *
+ * @return FALSE on error.
+ */
+
+static gboolean
+edit_load_file_fast (edit_buffer_t * buf, const vfs_path_t * filename_vpath)
+{
+    int file;
+    gboolean ret;
+    edit_buffer_read_file_status_msg_t rsm;
+    gboolean aborted;
+
+    file = mc_open (filename_vpath, O_RDONLY | O_BINARY);
+    if (file < 0)
+    {
+        gchar *errmsg;
+
+        errmsg =
+            g_strdup_printf (_("Cannot open %s for reading"), vfs_path_as_str (filename_vpath));
+        edit_error_dialog (_("Error"), errmsg);
+        g_free (errmsg);
+        return FALSE;
+    }
+
+    rsm.first = TRUE;
+    rsm.buf = buf;
+    rsm.loaded = 0;
+
+    status_msg_init (STATUS_MSG (&rsm), _("Load file"), 1.0, simple_status_msg_init_cb,
+                     edit_load_status_update_cb, NULL);
+
+    ret = (edit_buffer_read_file (buf, file, buf->size, &rsm, &aborted) == buf->size);
+
+    status_msg_deinit (STATUS_MSG (&rsm));
+
+    if (!ret && !aborted)
+    {
+        gchar *errmsg;
+
+        errmsg = g_strdup_printf (_("Error reading %s"), vfs_path_as_str (filename_vpath));
+        edit_error_dialog (_("Error"), errmsg);
+        g_free (errmsg);
+    }
+
+    mc_close (file);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Return index of the filter or -1 is there is no appropriate filter */
+
+static int
+edit_find_filter (const vfs_path_t * filename_vpath)
+{
+    if (filename_vpath != NULL)
+    {
+        const char *s;
+        size_t i;
+
+        s = vfs_path_as_str (filename_vpath);
+
+        for (i = 0; i < G_N_ELEMENTS (all_filters); i++)
+            if (g_str_has_suffix (s, all_filters[i].extension))
+                return i;
+    }
+
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+edit_get_filter (const vfs_path_t * filename_vpath)
+{
+    int i;
+    char *p, *quoted_name;
+
+    i = edit_find_filter (filename_vpath);
+    if (i < 0)
+        return NULL;
+
+    quoted_name = name_quote (vfs_path_as_str (filename_vpath), FALSE);
+    p = g_strdup_printf (all_filters[i].read, quoted_name);
+    g_free (quoted_name);
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+edit_insert_stream (WEdit * edit, FILE * f)
+{
+    int c;
+    off_t i;
+
+    for (i = 0; (c = fgetc (f)) >= 0; i++)
+        edit_insert (edit, c);
+
+    return i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Open file and create it if necessary.
+  *
+  * @param edit           editor object
+  * @param filename_vpath file name
+  * @param st             buffer for store stat info
+  * @return TRUE for success, FALSE for error.
+  */
+
+static gboolean
+check_file_access (WEdit * edit, const vfs_path_t * filename_vpath, struct stat *st)
+{
+    static uintmax_t threshold = UINTMAX_MAX;
+    int file;
+    gchar *errmsg = NULL;
+    gboolean ret = TRUE;
+
+    /* Try opening an existing file */
+    file = mc_open (filename_vpath, O_NONBLOCK | O_RDONLY | O_BINARY, 0666);
+    if (file < 0)
+    {
+        /*
+         * Try creating the file. O_EXCL prevents following broken links
+         * and opening existing files.
+         */
+        file = mc_open (filename_vpath, O_NONBLOCK | O_RDONLY | O_BINARY | O_CREAT | O_EXCL, 0666);
+        if (file < 0)
+        {
+            errmsg =
+                g_strdup_printf (_("Cannot open %s for reading"), vfs_path_as_str (filename_vpath));
+            goto cleanup;
+        }
+
+        /* New file, delete it if it's not modified or saved */
+        edit->delete_file = 1;
+    }
+
+    /* Check what we have opened */
+    if (mc_fstat (file, st) < 0)
+    {
+        errmsg =
+            g_strdup_printf (_("Cannot get size/permissions for %s"),
+                             vfs_path_as_str (filename_vpath));
+        goto cleanup;
+    }
+
+    /* We want to open regular files only */
+    if (!S_ISREG (st->st_mode))
+    {
+        errmsg =
+            g_strdup_printf (_("\"%s\" is not a regular file"), vfs_path_as_str (filename_vpath));
+        goto cleanup;
+    }
+
+    /* get file size threshold for alarm */
+    if (threshold == UINTMAX_MAX)
+    {
+        gboolean err = FALSE;
+
+        threshold = parse_integer (edit_options.filesize_threshold, &err);
+        if (err)
+            threshold = filesize_default_threshold;
+    }
+
+    /*
+     * Don't delete non-empty files.
+     * O_EXCL should prevent it, but let's be on the safe side.
+     */
+    if (st->st_size > 0)
+        edit->delete_file = 0;
+
+    if ((uintmax_t) st->st_size > threshold)
+    {
+        int act;
+
+        errmsg = g_strdup_printf (_("File \"%s\" is too large.\nOpen it anyway?"),
+                                  vfs_path_as_str (filename_vpath));
+        act = edit_query_dialog2 (_("Warning"), errmsg, _("&Yes"), _("&No"));
+        MC_PTR_FREE (errmsg);
+
+        if (act != 0)
+            ret = FALSE;
+    }
+
+  cleanup:
+    (void) mc_close (file);
+
+    if (errmsg != NULL)
+    {
+        edit_error_dialog (_("Error"), errmsg);
+        g_free (errmsg);
+        ret = FALSE;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Open the file and load it into the buffers, either directly or using
+ * a filter.  Return TRUE on success, FALSE on error.
+ *
+ * Fast loading (edit_load_file_fast) is used when the file size is
+ * known.  In this case the data is read into the buffers by blocks.
+ * If the file size is not known, the data is loaded byte by byte in
+ * edit_insert_file.
+ *
+ * @param edit editor object
+ * @return TRUE if file was successfully opened and loaded to buffers, FALSE otherwise
+ */
+static gboolean
+edit_load_file (WEdit * edit)
+{
+    gboolean fast_load = TRUE;
+
+    /* Cannot do fast load if a filter is used */
+    if (edit_find_filter (edit->filename_vpath) >= 0)
+        fast_load = FALSE;
+
+    /*
+     * FIXME: line end translation should disable fast loading as well
+     * Consider doing fseek() to the end and ftell() for the real size.
+     */
+    if (edit->filename_vpath != NULL)
+    {
+        /*
+         * VFS may report file size incorrectly, and slow load is not a big
+         * deal considering overhead in VFS.
+         */
+        if (!vfs_file_is_local (edit->filename_vpath))
+            fast_load = FALSE;
+
+        /* If we are dealing with a real file, check that it exists */
+        if (!check_file_access (edit, edit->filename_vpath, &edit->stat1))
+        {
+            edit_clean (edit);
+            return FALSE;
+        }
+    }
+    else
+    {
+        /* nothing to load */
+        fast_load = FALSE;
+    }
+
+    if (fast_load)
+    {
+        edit_buffer_init (&edit->buffer, edit->stat1.st_size);
+
+        if (!edit_load_file_fast (&edit->buffer, edit->filename_vpath))
+        {
+            edit_clean (edit);
+            return FALSE;
+        }
+    }
+    else
+    {
+        edit_buffer_init (&edit->buffer, 0);
+
+        if (edit->filename_vpath != NULL
+            && *(vfs_path_get_by_index (edit->filename_vpath, 0)->path) != '\0')
+        {
+            edit->undo_stack_disable = 1;
+            if (edit_insert_file (edit, edit->filename_vpath) < 0)
+            {
+                edit_clean (edit);
+                return FALSE;
+            }
+            edit->undo_stack_disable = 0;
+        }
+    }
+    edit->lb = LB_ASIS;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Restore saved cursor position and/or bookmarks in the file
+ *
+ * @param edit editor object
+ * @param load_position If TRUE, load bookmarks and cursor position and apply them.
+ *                      If FALSE, load bookmarks only.
+ */
+
+static void
+edit_load_position (WEdit * edit, gboolean load_position)
+{
+    long line, column;
+    off_t offset;
+
+    if (edit->filename_vpath == NULL
+        || *(vfs_path_get_by_index (edit->filename_vpath, 0)->path) == '\0')
+        return;
+
+    load_file_position (edit->filename_vpath, &line, &column, &offset, &edit->serialized_bookmarks);
+    /* apply bookmarks in any case */
+    book_mark_restore (edit, BOOK_MARK_COLOR);
+
+    if (!load_position)
+        return;
+
+    if (line > 0)
+    {
+        edit_move_to_line (edit, line - 1);
+        edit->prev_col = column;
+    }
+    else if (offset > 0)
+    {
+        edit_cursor_move (edit, offset);
+        line = edit->buffer.curs_line;
+        edit->search_start = edit->buffer.curs1;
+    }
+
+    edit_move_to_prev_col (edit, edit_buffer_get_current_bol (&edit->buffer));
+    edit_move_display (edit, line - (WIDGET (edit)->rect.lines / 2));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Save cursor position in the file */
+
+static void
+edit_save_position (WEdit * edit)
+{
+    if (edit->filename_vpath == NULL
+        || *(vfs_path_get_by_index (edit->filename_vpath, 0)->path) == '\0')
+        return;
+
+    book_mark_serialize (edit, BOOK_MARK_COLOR);
+    save_file_position (edit->filename_vpath, edit->buffer.curs_line + 1, edit->curs_col,
+                        edit->buffer.curs1, edit->serialized_bookmarks);
+    edit->serialized_bookmarks = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Clean the WEdit stricture except the widget part */
+
+static void
+edit_purge_widget (WEdit * edit)
+{
+    size_t len = sizeof (WEdit) - sizeof (Widget);
+    char *start = (char *) edit + sizeof (Widget);
+    memset (start, 0, len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/*
+   TODO: if the user undos until the stack bottom, and the stack has not wrapped,
+   then the file should be as it was when he loaded up. Then set edit->modified to 0.
+ */
+
+static long
+edit_pop_undo_action (WEdit * edit)
+{
+    long c;
+    unsigned long sp = edit->undo_stack_pointer;
+
+    if (sp == edit->undo_stack_bottom)
+        return STACK_BOTTOM;
+
+    sp = (sp - 1) & edit->undo_stack_size_mask;
+    c = edit->undo_stack[sp];
+    if (c >= 0)
+    {
+        /*      edit->undo_stack[sp] = '@'; */
+        edit->undo_stack_pointer = (edit->undo_stack_pointer - 1) & edit->undo_stack_size_mask;
+        return c;
+    }
+
+    if (sp == edit->undo_stack_bottom)
+        return STACK_BOTTOM;
+
+    c = edit->undo_stack[(sp - 1) & edit->undo_stack_size_mask];
+    if (edit->undo_stack[sp] == -2)
+    {
+        /*      edit->undo_stack[sp] = '@'; */
+        edit->undo_stack_pointer = sp;
+    }
+    else
+        edit->undo_stack[sp]++;
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static long
+edit_pop_redo_action (WEdit * edit)
+{
+    long c;
+    unsigned long sp = edit->redo_stack_pointer;
+
+    if (sp == edit->redo_stack_bottom)
+        return STACK_BOTTOM;
+
+    sp = (sp - 1) & edit->redo_stack_size_mask;
+    c = edit->redo_stack[sp];
+    if (c >= 0)
+    {
+        edit->redo_stack_pointer = (edit->redo_stack_pointer - 1) & edit->redo_stack_size_mask;
+        return c;
+    }
+
+    if (sp == edit->redo_stack_bottom)
+        return STACK_BOTTOM;
+
+    c = edit->redo_stack[(sp - 1) & edit->redo_stack_size_mask];
+    if (edit->redo_stack[sp] == -2)
+        edit->redo_stack_pointer = sp;
+    else
+        edit->redo_stack[sp]++;
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static long
+get_prev_undo_action (WEdit * edit)
+{
+    long c;
+    unsigned long sp = edit->undo_stack_pointer;
+
+    if (sp == edit->undo_stack_bottom)
+        return STACK_BOTTOM;
+
+    sp = (sp - 1) & edit->undo_stack_size_mask;
+    c = edit->undo_stack[sp];
+    if (c >= 0)
+        return c;
+
+    if (sp == edit->undo_stack_bottom)
+        return STACK_BOTTOM;
+
+    c = edit->undo_stack[(sp - 1) & edit->undo_stack_size_mask];
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** is called whenever a modification is made by one of the four routines below */
+
+static void
+edit_modification (WEdit * edit)
+{
+    edit->caches_valid = FALSE;
+
+    /* raise lock when file modified */
+    if (!edit->modified && !edit->delete_file)
+        edit->locked = lock_file (edit->filename_vpath);
+    edit->modified = 1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* high level cursor movement commands */
+/* --------------------------------------------------------------------------------------------- */
+/** check whether cursor is in indent part of line
+ *
+ * @param edit editor object
+ *
+ * @return TRUE if cursor is in indent, FALSE otherwise
+ */
+
+static gboolean
+is_in_indent (const edit_buffer_t * buf)
+{
+    off_t p;
+
+    for (p = edit_buffer_get_current_bol (buf); p < buf->curs1; p++)
+        if (strchr (" \t", edit_buffer_get_byte (buf, p)) == NULL)
+            return FALSE;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** check whether line in editor is blank or not
+ *
+ * @param edit editor object
+ * @param offset position in file
+ *
+ * @return TRUE if line in blank, FALSE otherwise
+ */
+
+static gboolean
+is_blank (const edit_buffer_t * buf, off_t offset)
+{
+    off_t s, f;
+
+    s = edit_buffer_get_bol (buf, offset);
+    f = edit_buffer_get_eol (buf, offset) - 1;
+    while (s <= f)
+    {
+        int c;
+
+        c = edit_buffer_get_byte (buf, s++);
+        if (!isspace (c))
+            return FALSE;
+    }
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns the offset of line i */
+
+static off_t
+edit_find_line (WEdit * edit, long line)
+{
+    long i, j = 0;
+    long m = 2000000000;        /* what is the magic number? */
+
+    if (!edit->caches_valid)
+    {
+        memset (edit->line_numbers, 0, sizeof (edit->line_numbers));
+        memset (edit->line_offsets, 0, sizeof (edit->line_offsets));
+        /* three offsets that we *know* are line 0 at 0 and these two: */
+        edit->line_numbers[1] = edit->buffer.curs_line;
+        edit->line_offsets[1] = edit_buffer_get_current_bol (&edit->buffer);
+        edit->line_numbers[2] = edit->buffer.lines;
+        edit->line_offsets[2] = edit_buffer_get_bol (&edit->buffer, edit->buffer.size);
+        edit->caches_valid = TRUE;
+    }
+    if (line >= edit->buffer.lines)
+        return edit->line_offsets[2];
+    if (line <= 0)
+        return 0;
+    /* find the closest known point */
+    for (i = 0; i < N_LINE_CACHES; i++)
+    {
+        long n;
+
+        n = labs (edit->line_numbers[i] - line);
+        if (n < m)
+        {
+            m = n;
+            j = i;
+        }
+    }
+    if (m == 0)
+        return edit->line_offsets[j];   /* know the offset exactly */
+    if (m == 1 && j >= 3)
+        i = j;                  /* one line different - caller might be looping, so stay in this cache */
+    else
+        i = 3 + (rand () % (N_LINE_CACHES - 3));
+    if (line > edit->line_numbers[j])
+        edit->line_offsets[i] =
+            edit_buffer_get_forward_offset (&edit->buffer, edit->line_offsets[j],
+                                            line - edit->line_numbers[j], 0);
+    else
+        edit->line_offsets[i] =
+            edit_buffer_get_backward_offset (&edit->buffer, edit->line_offsets[j],
+                                             edit->line_numbers[j] - line);
+    edit->line_numbers[i] = line;
+    return edit->line_offsets[i];
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** moves up until a blank line is reached, or until just
+   before a non-blank line is reached */
+
+static void
+edit_move_up_paragraph (WEdit * edit, gboolean do_scroll)
+{
+    long i = 0;
+
+    if (edit->buffer.curs_line > 1)
+    {
+        if (!edit_line_is_blank (edit, edit->buffer.curs_line))
+        {
+            for (i = edit->buffer.curs_line - 1; i != 0; i--)
+                if (edit_line_is_blank (edit, i))
+                    break;
+        }
+        else if (edit_line_is_blank (edit, edit->buffer.curs_line - 1))
+        {
+            for (i = edit->buffer.curs_line - 1; i != 0; i--)
+                if (!edit_line_is_blank (edit, i))
+                {
+                    i++;
+                    break;
+                }
+        }
+        else
+        {
+            for (i = edit->buffer.curs_line - 1; i != 0; i--)
+                if (edit_line_is_blank (edit, i))
+                    break;
+        }
+    }
+
+    edit_move_up (edit, edit->buffer.curs_line - i, do_scroll);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** moves down until a blank line is reached, or until just
+   before a non-blank line is reached */
+
+static void
+edit_move_down_paragraph (WEdit * edit, gboolean do_scroll)
+{
+    long i;
+
+    if (edit->buffer.curs_line >= edit->buffer.lines - 1)
+        i = edit->buffer.lines;
+    else if (!edit_line_is_blank (edit, edit->buffer.curs_line))
+    {
+        for (i = edit->buffer.curs_line + 1; i != 0; i++)
+            if (edit_line_is_blank (edit, i) || i >= edit->buffer.lines)
+                break;
+    }
+    else if (edit_line_is_blank (edit, edit->buffer.curs_line + 1))
+    {
+        for (i = edit->buffer.curs_line + 1; i != 0; i++)
+            if (!edit_line_is_blank (edit, i) || i > edit->buffer.lines)
+            {
+                i--;
+                break;
+            }
+    }
+    else
+    {
+        for (i = edit->buffer.curs_line + 1; i != 0; i++)
+            if (edit_line_is_blank (edit, i) || i >= edit->buffer.lines)
+                break;
+    }
+    edit_move_down (edit, i - edit->buffer.curs_line, do_scroll);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_begin_page (WEdit * edit)
+{
+    edit_update_curs_row (edit);
+    edit_move_up (edit, edit->curs_row, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_end_page (WEdit * edit)
+{
+    edit_update_curs_row (edit);
+    edit_move_down (edit, WIDGET (edit)->rect.lines - edit->curs_row - 1, FALSE);
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/** goto beginning of text */
+
+static void
+edit_move_to_top (WEdit * edit)
+{
+    if (edit->buffer.curs_line != 0)
+    {
+        edit_cursor_move (edit, -edit->buffer.curs1);
+        edit_move_to_prev_col (edit, 0);
+        edit->force |= REDRAW_PAGE;
+        edit->search_start = 0;
+        edit_update_curs_row (edit);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** goto end of text */
+
+static void
+edit_move_to_bottom (WEdit * edit)
+{
+    if (edit->buffer.curs_line < edit->buffer.lines)
+    {
+        edit_move_down (edit, edit->buffer.lines - edit->curs_row, FALSE);
+        edit->start_display = edit->buffer.size;
+        edit->start_line = edit->buffer.lines;
+        edit_scroll_upward (edit, WIDGET (edit)->rect.lines - 1);
+        edit->force |= REDRAW_PAGE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** goto beginning of line */
+
+static void
+edit_cursor_to_bol (WEdit * edit)
+{
+    edit_cursor_move (edit, edit_buffer_get_current_bol (&edit->buffer) - edit->buffer.curs1);
+    edit->search_start = edit->buffer.curs1;
+    edit->prev_col = edit_get_col (edit);
+    edit->over_col = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** goto end of line */
+
+static void
+edit_cursor_to_eol (WEdit * edit)
+{
+    edit_cursor_move (edit, edit_buffer_get_current_eol (&edit->buffer) - edit->buffer.curs1);
+    edit->search_start = edit->buffer.curs1;
+    edit->prev_col = edit_get_col (edit);
+    edit->over_col = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static unsigned long
+my_type_of (int c)
+{
+    unsigned long x, r = 0;
+    const char *p, *q;
+    const char chars_move_whole_word[] =
+        "!=&|<>^~ !:;, !'!`!.?!\"!( !) !{ !} !Aa0 !+-*/= |<> ![ !] !\\#! ";
+
+    if (c == 0)
+        return 0;
+    if (c == '!')
+        return 2;
+
+    if (g_ascii_isupper ((gchar) c))
+        c = 'A';
+    else if (g_ascii_islower ((gchar) c))
+        c = 'a';
+    else if (g_ascii_isalpha (c))
+        c = 'a';
+    else if (isdigit (c))
+        c = '0';
+    else if (isspace (c))
+        c = ' ';
+    q = strchr (chars_move_whole_word, c);
+    if (!q)
+        return 0xFFFFFFFFUL;
+    do
+    {
+        for (x = 1, p = chars_move_whole_word; p < q; p++)
+            if (*p == '!')
+                x <<= 1;
+        r |= x;
+    }
+    while ((q = strchr (q + 1, c)));
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_left_word_move (WEdit * edit, int s)
+{
+    while (TRUE)
+    {
+        int c1, c2;
+
+        if (edit->column_highlight
+            && edit->mark1 != edit->mark2
+            && edit->over_col == 0
+            && edit->buffer.curs1 == edit_buffer_get_current_bol (&edit->buffer))
+            break;
+        edit_cursor_move (edit, -1);
+        if (edit->buffer.curs1 == 0)
+            break;
+        c1 = edit_buffer_get_previous_byte (&edit->buffer);
+        c2 = edit_buffer_get_current_byte (&edit->buffer);
+        if (c1 == '\n' || c2 == '\n')
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+        if (isspace (c1) && !isspace (c2))
+            break;
+        if (s != 0 && !isspace (c1) && isspace (c2))
+            break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_left_word_move_cmd (WEdit * edit)
+{
+    edit_left_word_move (edit, 0);
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_right_word_move (WEdit * edit, int s)
+{
+    while (TRUE)
+    {
+        int c1, c2;
+
+        if (edit->column_highlight
+            && edit->mark1 != edit->mark2
+            && edit->over_col == 0
+            && edit->buffer.curs1 == edit_buffer_get_current_eol (&edit->buffer))
+            break;
+        edit_cursor_move (edit, 1);
+        if (edit->buffer.curs1 >= edit->buffer.size)
+            break;
+        c1 = edit_buffer_get_previous_byte (&edit->buffer);
+        c2 = edit_buffer_get_current_byte (&edit->buffer);
+        if (c1 == '\n' || c2 == '\n')
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+        if (isspace (c1) && !isspace (c2))
+            break;
+        if (s != 0 && !isspace (c1) && isspace (c2))
+            break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_right_word_move_cmd (WEdit * edit)
+{
+    edit_right_word_move (edit, 0);
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_right_char_move_cmd (WEdit * edit)
+{
+    int char_length = 1;
+    int c;
+
+#ifdef HAVE_CHARSET
+    if (edit->utf8)
+    {
+        c = edit_buffer_get_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+        if (char_length < 1)
+            char_length = 1;
+    }
+    else
+#endif
+        c = edit_buffer_get_current_byte (&edit->buffer);
+
+    if (edit_options.cursor_beyond_eol && c == '\n')
+        edit->over_col++;
+    else
+        edit_cursor_move (edit, char_length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_left_char_move_cmd (WEdit * edit)
+{
+    int char_length = 1;
+
+    if (edit->column_highlight
+        && edit_options.cursor_beyond_eol
+        && edit->mark1 != edit->mark2
+        && edit->over_col == 0 && edit->buffer.curs1 == edit_buffer_get_current_bol (&edit->buffer))
+        return;
+#ifdef HAVE_CHARSET
+    if (edit->utf8)
+    {
+        edit_buffer_get_prev_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+        if (char_length < 1)
+            char_length = 1;
+    }
+#endif
+
+    if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+        edit->over_col--;
+    else
+        edit_cursor_move (edit, -char_length);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Up or down cursor moving.
+ direction = TRUE - move up
+           = FALSE - move down
+*/
+
+static void
+edit_move_updown (WEdit * edit, long lines, gboolean do_scroll, gboolean direction)
+{
+    long p;
+    long l = direction ? edit->buffer.curs_line : edit->buffer.lines - edit->buffer.curs_line;
+
+    if (lines > l)
+        lines = l;
+
+    if (lines == 0)
+        return;
+
+    if (lines > 1)
+        edit->force |= REDRAW_PAGE;
+    if (do_scroll)
+    {
+        if (direction)
+            edit_scroll_upward (edit, lines);
+        else
+            edit_scroll_downward (edit, lines);
+    }
+    p = edit_buffer_get_current_bol (&edit->buffer);
+    p = direction ? edit_buffer_get_backward_offset (&edit->buffer, p, lines) :
+        edit_buffer_get_forward_offset (&edit->buffer, p, lines, 0);
+    edit_cursor_move (edit, p - edit->buffer.curs1);
+    edit_move_to_prev_col (edit, p);
+
+#ifdef HAVE_CHARSET
+    /* search start of current multibyte char (like CJK) */
+    if (edit->buffer.curs1 > 0 && edit->buffer.curs1 + 1 < edit->buffer.size
+        && edit_buffer_get_current_byte (&edit->buffer) >= 256)
+    {
+        edit_right_char_move_cmd (edit);
+        edit_left_char_move_cmd (edit);
+    }
+#endif
+
+    edit->search_start = edit->buffer.curs1;
+    edit->found_len = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_right_delete_word (WEdit * edit)
+{
+    while (edit->buffer.curs1 < edit->buffer.size)
+    {
+        int c1, c2;
+
+        c1 = edit_delete (edit, TRUE);
+        c2 = edit_buffer_get_current_byte (&edit->buffer);
+        if (c1 == '\n' || c2 == '\n')
+            break;
+        if ((isspace (c1) == 0) != (isspace (c2) == 0))
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_left_delete_word (WEdit * edit)
+{
+    while (edit->buffer.curs1 > 0)
+    {
+        int c1, c2;
+
+        c1 = edit_backspace (edit, TRUE);
+        c2 = edit_buffer_get_previous_byte (&edit->buffer);
+        if (c1 == '\n' || c2 == '\n')
+            break;
+        if ((isspace (c1) == 0) != (isspace (c2) == 0))
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   the start column position is not recorded, and hence does not
+   undo as it happed. But who would notice.
+ */
+
+static void
+edit_do_undo (WEdit * edit)
+{
+    long ac;
+    long count = 0;
+
+    edit->undo_stack_disable = 1;       /* don't record undo's onto undo stack! */
+    edit->over_col = 0;
+    while ((ac = edit_pop_undo_action (edit)) < KEY_PRESS)
+    {
+        switch ((int) ac)
+        {
+        case STACK_BOTTOM:
+            goto done_undo;
+        case CURS_RIGHT:
+            edit_cursor_move (edit, 1);
+            break;
+        case CURS_LEFT:
+            edit_cursor_move (edit, -1);
+            break;
+        case BACKSPACE:
+        case BACKSPACE_BR:
+            edit_backspace (edit, TRUE);
+            break;
+        case DELCHAR:
+        case DELCHAR_BR:
+            edit_delete (edit, TRUE);
+            break;
+        case COLUMN_ON:
+            edit->column_highlight = 1;
+            break;
+        case COLUMN_OFF:
+            edit->column_highlight = 0;
+            break;
+        default:
+            break;
+        }
+        if (ac >= 256 && ac < 512)
+            edit_insert_ahead (edit, ac - 256);
+        if (ac >= 0 && ac < 256)
+            edit_insert (edit, ac);
+
+        if (ac >= MARK_1 - 2 && ac < MARK_2 - 2)
+        {
+            edit->mark1 = ac - MARK_1;
+            edit->column1 =
+                (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, edit->mark1),
+                                           0, edit->mark1);
+        }
+        if (ac >= MARK_2 - 2 && ac < MARK_CURS - 2)
+        {
+            edit->mark2 = ac - MARK_2;
+            edit->column2 =
+                (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, edit->mark2),
+                                           0, edit->mark2);
+        }
+        else if (ac >= MARK_CURS - 2 && ac < KEY_PRESS)
+        {
+            edit->end_mark_curs = ac - MARK_CURS;
+        }
+        if (count++)
+            edit->force |= REDRAW_PAGE; /* more than one pop usually means something big */
+    }
+
+    if (edit->start_display > ac - KEY_PRESS)
+    {
+        edit->start_line -=
+            edit_buffer_count_lines (&edit->buffer, ac - KEY_PRESS, edit->start_display);
+        edit->force |= REDRAW_PAGE;
+    }
+    else if (edit->start_display < ac - KEY_PRESS)
+    {
+        edit->start_line +=
+            edit_buffer_count_lines (&edit->buffer, edit->start_display, ac - KEY_PRESS);
+        edit->force |= REDRAW_PAGE;
+    }
+    edit->start_display = ac - KEY_PRESS;       /* see push and pop above */
+    edit_update_curs_row (edit);
+
+  done_undo:
+    edit->undo_stack_disable = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_do_redo (WEdit * edit)
+{
+    long ac;
+    long count = 0;
+
+    if (edit->redo_stack_reset)
+        return;
+
+    edit->over_col = 0;
+    while ((ac = edit_pop_redo_action (edit)) < KEY_PRESS)
+    {
+        switch ((int) ac)
+        {
+        case STACK_BOTTOM:
+            goto done_redo;
+        case CURS_RIGHT:
+            edit_cursor_move (edit, 1);
+            break;
+        case CURS_LEFT:
+            edit_cursor_move (edit, -1);
+            break;
+        case BACKSPACE:
+            edit_backspace (edit, TRUE);
+            break;
+        case DELCHAR:
+            edit_delete (edit, TRUE);
+            break;
+        case COLUMN_ON:
+            edit->column_highlight = 1;
+            break;
+        case COLUMN_OFF:
+            edit->column_highlight = 0;
+            break;
+        default:
+            break;
+        }
+        if (ac >= 256 && ac < 512)
+            edit_insert_ahead (edit, ac - 256);
+        if (ac >= 0 && ac < 256)
+            edit_insert (edit, ac);
+
+        if (ac >= MARK_1 - 2 && ac < MARK_2 - 2)
+        {
+            edit->mark1 = ac - MARK_1;
+            edit->column1 =
+                (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, edit->mark1),
+                                           0, edit->mark1);
+        }
+        else if (ac >= MARK_2 - 2 && ac < KEY_PRESS)
+        {
+            edit->mark2 = ac - MARK_2;
+            edit->column2 =
+                (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, edit->mark2),
+                                           0, edit->mark2);
+        }
+        /* more than one pop usually means something big */
+        if (count++)
+            edit->force |= REDRAW_PAGE;
+    }
+
+    if (edit->start_display > ac - KEY_PRESS)
+    {
+        edit->start_line -=
+            edit_buffer_count_lines (&edit->buffer, ac - KEY_PRESS, edit->start_display);
+        edit->force |= REDRAW_PAGE;
+    }
+    else if (edit->start_display < ac - KEY_PRESS)
+    {
+        edit->start_line +=
+            edit_buffer_count_lines (&edit->buffer, edit->start_display, ac - KEY_PRESS);
+        edit->force |= REDRAW_PAGE;
+    }
+    edit->start_display = ac - KEY_PRESS;       /* see push and pop above */
+    edit_update_curs_row (edit);
+
+  done_redo:
+    ;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_group_undo (WEdit * edit)
+{
+    long ac = KEY_PRESS;
+    long cur_ac = KEY_PRESS;
+    while (ac != STACK_BOTTOM && ac == cur_ac)
+    {
+        cur_ac = get_prev_undo_action (edit);
+        edit_do_undo (edit);
+        ac = get_prev_undo_action (edit);
+        /* exit from cycle if edit_options.group_undo is not set,
+         * and make single UNDO operation
+         */
+        if (!edit_options.group_undo)
+            ac = STACK_BOTTOM;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_delete_to_line_end (WEdit * edit)
+{
+    while (edit_buffer_get_current_byte (&edit->buffer) != '\n' && edit->buffer.curs2 != 0)
+        edit_delete (edit, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_delete_to_line_begin (WEdit * edit)
+{
+    while (edit_buffer_get_previous_byte (&edit->buffer) != '\n' && edit->buffer.curs1 != 0)
+        edit_backspace (edit, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+is_aligned_on_a_tab (WEdit * edit)
+{
+    long curs_col;
+
+    edit_update_curs_col (edit);
+    curs_col = edit->curs_col % (TAB_SIZE * space_width);
+    return (curs_col == 0 || curs_col == (HALF_TAB_SIZE * space_width));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+right_of_four_spaces (WEdit * edit)
+{
+    int i, ch = 0;
+
+    for (i = 1; i <= HALF_TAB_SIZE; i++)
+        ch |= edit_buffer_get_byte (&edit->buffer, edit->buffer.curs1 - i);
+
+    return (ch == ' ' && is_aligned_on_a_tab (edit));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+left_of_four_spaces (WEdit * edit)
+{
+    int i, ch = 0;
+
+    for (i = 0; i < HALF_TAB_SIZE; i++)
+        ch |= edit_buffer_get_byte (&edit->buffer, edit->buffer.curs1 + i);
+
+    return (ch == ' ' && is_aligned_on_a_tab (edit));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_auto_indent (WEdit * edit)
+{
+    off_t p;
+
+    p = edit->buffer.curs1;
+    /* use the previous line as a template */
+    p = edit_buffer_get_backward_offset (&edit->buffer, p, 1);
+    /* copy the leading whitespace of the line */
+    while (TRUE)
+    {                           /* no range check - the line _is_ \n-terminated */
+        char c;
+
+        c = edit_buffer_get_byte (&edit->buffer, p++);
+        if (!whitespace (c))
+            break;
+        edit_insert (edit, c);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_double_newline (WEdit * edit)
+{
+    edit_insert (edit, '\n');
+    if (edit_buffer_get_current_byte (&edit->buffer) == '\n'
+        || edit_buffer_get_byte (&edit->buffer, edit->buffer.curs1 - 2) == '\n')
+        return;
+    edit->force |= REDRAW_PAGE;
+    edit_insert (edit, '\n');
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+insert_spaces_tab (WEdit * edit, gboolean half)
+{
+    long i;
+
+    edit_update_curs_col (edit);
+    i = TAB_SIZE * space_width;
+    if (half)
+        i /= 2;
+    if (i != 0)
+    {
+        i = ((edit->curs_col / i) + 1) * i - edit->curs_col;
+        while (i > 0)
+        {
+            edit_insert (edit, ' ');
+            i -= space_width;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_tab_cmd (WEdit * edit)
+{
+    if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer))
+    {
+        /* insert a half tab (usually four spaces) unless there is a
+           half tab already behind, then delete it and insert a
+           full tab. */
+        if (edit_options.fill_tabs_with_spaces || !right_of_four_spaces (edit))
+            insert_spaces_tab (edit, TRUE);
+        else
+        {
+            int i;
+
+            for (i = 1; i <= HALF_TAB_SIZE; i++)
+                edit_backspace (edit, TRUE);
+            edit_insert (edit, '\t');
+        }
+    }
+    else if (edit_options.fill_tabs_with_spaces)
+        insert_spaces_tab (edit, FALSE);
+    else
+        edit_insert (edit, '\t');
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+check_and_wrap_line (WEdit * edit)
+{
+    off_t curs;
+
+    if (!edit_options.typewriter_wrap)
+        return;
+    edit_update_curs_col (edit);
+    if (edit->curs_col < edit_options.word_wrap_line_length)
+        return;
+    curs = edit->buffer.curs1;
+    while (TRUE)
+    {
+        int c;
+
+        curs--;
+        c = edit_buffer_get_byte (&edit->buffer, curs);
+        if (c == '\n' || curs <= 0)
+        {
+            edit_insert (edit, '\n');
+            return;
+        }
+        if (whitespace (c))
+        {
+            off_t current = edit->buffer.curs1;
+            edit_cursor_move (edit, curs - edit->buffer.curs1 + 1);
+            edit_insert (edit, '\n');
+            edit_cursor_move (edit, current - edit->buffer.curs1 + 1);
+            return;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** this find the matching bracket in either direction, and sets edit->bracket
+ *
+ * @param edit editor object
+ * @param in_screen search only on the current screen
+ * @param furthest_bracket_search count of the bytes for search
+ *
+ * @return position of the found bracket (-1 if no match)
+ */
+
+static off_t
+edit_get_bracket (WEdit * edit, gboolean in_screen, unsigned long furthest_bracket_search)
+{
+    const char *const b = "{}{[][()(", *p;
+    int i = 1, inc = -1, c, d, n = 0;
+    unsigned long j = 0;
+    off_t q;
+
+    edit_update_curs_row (edit);
+    c = edit_buffer_get_current_byte (&edit->buffer);
+    p = strchr (b, c);
+    /* not on a bracket at all */
+    if (p == NULL || *p == '\0')
+        return -1;
+    /* the matching bracket */
+    d = p[1];
+    /* going left or right? */
+    if (strchr ("{[(", c) != NULL)
+        inc = 1;
+    /* no limit */
+    if (furthest_bracket_search == 0)
+        furthest_bracket_search--;      /* ULONG_MAX */
+    for (q = edit->buffer.curs1 + inc;; q += inc)
+    {
+        int a;
+
+        /* out of buffer? */
+        if (q >= edit->buffer.size || q < 0)
+            break;
+        a = edit_buffer_get_byte (&edit->buffer, q);
+        /* don't want to eat CPU */
+        if (j++ > furthest_bracket_search)
+            break;
+        /* out of screen? */
+        if (in_screen)
+        {
+            if (q < edit->start_display)
+                break;
+            /* count lines if searching downward */
+            if (inc > 0 && a == '\n')
+                if (n++ >= WIDGET (edit)->rect.lines - edit->curs_row)  /* out of screen */
+                    break;
+        }
+        /* count bracket depth */
+        i += (a == c) - (a == d);
+        /* return if bracket depth is zero */
+        if (i == 0)
+            return q;
+    }
+    /* no match */
+    return -1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_goto_matching_bracket (WEdit * edit)
+{
+    off_t q;
+
+    q = edit_get_bracket (edit, 0, 0);
+    if (q >= 0)
+    {
+        edit->bracket = edit->buffer.curs1;
+        edit->force |= REDRAW_PAGE;
+        edit_cursor_move (edit, q - edit->buffer.curs1);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_move_block_to_right (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+    long cur_bol, start_bol;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return;
+
+    start_bol = edit_buffer_get_bol (&edit->buffer, start_mark);
+    cur_bol = edit_buffer_get_bol (&edit->buffer, end_mark - 1);
+
+    do
+    {
+        edit_cursor_move (edit, cur_bol - edit->buffer.curs1);
+        if (!edit_line_is_blank (edit, edit->buffer.curs_line))
+        {
+            if (edit_options.fill_tabs_with_spaces)
+                insert_spaces_tab (edit, edit_options.fake_half_tabs);
+            else
+                edit_insert (edit, '\t');
+            edit_cursor_move (edit,
+                              edit_buffer_get_bol (&edit->buffer, cur_bol) - edit->buffer.curs1);
+        }
+
+        if (cur_bol == 0)
+            break;
+
+        cur_bol = edit_buffer_get_bol (&edit->buffer, cur_bol - 1);
+    }
+    while (cur_bol >= start_bol);
+
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_move_block_to_left (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+    off_t cur_bol, start_bol;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return;
+
+    start_bol = edit_buffer_get_bol (&edit->buffer, start_mark);
+    cur_bol = edit_buffer_get_bol (&edit->buffer, end_mark - 1);
+
+    do
+    {
+        int del_tab_width;
+        int next_char;
+
+        edit_cursor_move (edit, cur_bol - edit->buffer.curs1);
+
+        del_tab_width = edit_options.fake_half_tabs ? HALF_TAB_SIZE : TAB_SIZE;
+
+        next_char = edit_buffer_get_current_byte (&edit->buffer);
+        if (next_char == '\t')
+            edit_delete (edit, TRUE);
+        else if (next_char == ' ')
+        {
+            int i;
+
+            for (i = 0; i < del_tab_width; i++)
+            {
+                if (next_char == ' ')
+                    edit_delete (edit, TRUE);
+                next_char = edit_buffer_get_current_byte (&edit->buffer);
+            }
+        }
+
+        if (cur_bol == 0)
+            break;
+
+        cur_bol = edit_buffer_get_bol (&edit->buffer, cur_bol - 1);
+    }
+    while (cur_bol >= start_bol);
+
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * prints at the cursor
+ * @return number of chars printed
+ */
+
+static size_t
+edit_print_string (WEdit * e, const char *s)
+{
+    size_t i = 0;
+
+    while (s[i] != '\0')
+        edit_execute_cmd (e, CK_InsertChar, (unsigned char) s[i++]);
+    e->force |= REDRAW_COMPLETELY;
+    edit_update_screen (e);
+    return i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+edit_insert_column_from_file (WEdit * edit, int file, off_t * start_pos, off_t * end_pos,
+                              long *col1, long *col2)
+{
+    off_t cursor;
+    long col;
+    off_t blocklen = -1, width = 0;
+    unsigned char *data;
+
+    cursor = edit->buffer.curs1;
+    col = edit_get_col (edit);
+    data = g_malloc0 (TEMP_BUF_LEN);
+
+    while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0)
+    {
+        off_t i;
+        char *pn;
+
+        pn = strchr ((char *) data, '\n');
+        width = pn == NULL ? blocklen : pn - (char *) data;
+
+        for (i = 0; i < blocklen; i++)
+        {
+            if (data[i] != '\n')
+                edit_insert (edit, data[i]);
+            else
+            {                   /* fill in and move to next line */
+                long l;
+                off_t p;
+
+                if (edit_buffer_get_current_byte (&edit->buffer) != '\n')
+                    for (l = width - (edit_get_col (edit) - col); l > 0; l -= space_width)
+                        edit_insert (edit, ' ');
+
+                for (p = edit->buffer.curs1;; p++)
+                {
+                    if (p == edit->buffer.size)
+                    {
+                        edit_cursor_move (edit, edit->buffer.size - edit->buffer.curs1);
+                        edit_insert_ahead (edit, '\n');
+                        p++;
+                        break;
+                    }
+                    if (edit_buffer_get_byte (&edit->buffer, p) == '\n')
+                    {
+                        p++;
+                        break;
+                    }
+                }
+
+                edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->buffer.curs1);
+
+                for (l = col - edit_get_col (edit); l >= space_width; l -= space_width)
+                    edit_insert (edit, ' ');
+            }
+        }
+    }
+    *col1 = col;
+    *col2 = col + width;
+    *start_pos = cursor;
+    *end_pos = edit->buffer.curs1;
+    edit_cursor_move (edit, cursor - edit->buffer.curs1);
+    g_free (data);
+
+    return blocklen;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** User edit menu, like user menu (F2) but only in editor. */
+
+void
+user_menu (WEdit * edit, const char *menu_file, int selected_entry)
+{
+    char *block_file;
+    gboolean nomark;
+    off_t curs;
+    off_t start_mark, end_mark;
+    struct stat status;
+    vfs_path_t *block_file_vpath;
+
+    block_file = mc_config_get_full_path (EDIT_HOME_BLOCK_FILE);
+    block_file_vpath = vfs_path_from_str (block_file);
+    curs = edit->buffer.curs1;
+    nomark = !eval_marks (edit, &start_mark, &end_mark);
+    if (!nomark)
+        edit_save_block (edit, block_file, start_mark, end_mark);
+
+    /* run shell scripts from menu */
+    if (user_menu_cmd (CONST_WIDGET (edit), menu_file, selected_entry)
+        && (mc_stat (block_file_vpath, &status) == 0) && (status.st_size != 0))
+    {
+        int rc = 0;
+        FILE *fd;
+
+        /* i.e. we have marked block */
+        if (!nomark)
+            rc = edit_block_delete_cmd (edit);
+
+        if (rc == 0)
+        {
+            off_t ins_len;
+
+            ins_len = edit_insert_file (edit, block_file_vpath);
+            if (!nomark && ins_len > 0)
+                edit_set_markers (edit, start_mark, start_mark + ins_len, 0, 0);
+        }
+        /* truncate block file */
+        fd = fopen (block_file, "w");
+        if (fd != NULL)
+            fclose (fd);
+    }
+    g_free (block_file);
+    vfs_path_free (block_file_vpath, TRUE);
+
+    edit_cursor_move (edit, curs - edit->buffer.curs1);
+    edit->force |= REDRAW_PAGE;
+    widget_draw (WIDGET (edit));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+char *
+edit_get_write_filter (const vfs_path_t * write_name_vpath, const vfs_path_t * filename_vpath)
+{
+    int i;
+    const char *write_name;
+    char *p, *write_name_quoted;
+
+    i = edit_find_filter (filename_vpath);
+    if (i < 0)
+        return NULL;
+
+    write_name = vfs_path_get_last_path_str (write_name_vpath);
+    write_name_quoted = name_quote (write_name, FALSE);
+    p = g_strdup_printf (all_filters[i].write, write_name_quoted);
+    g_free (write_name_quoted);
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * @param edit   editor object
+ * @param f      value of stream file
+ * @return       the length of the file
+ */
+
+off_t
+edit_write_stream (WEdit * edit, FILE * f)
+{
+    long i;
+
+    if (edit->lb == LB_ASIS)
+    {
+        for (i = 0; i < edit->buffer.size; i++)
+            if (fputc (edit_buffer_get_byte (&edit->buffer, i), f) < 0)
+                break;
+        return i;
+    }
+
+    /* change line breaks */
+    for (i = 0; i < edit->buffer.size; i++)
+    {
+        unsigned char c;
+
+        c = edit_buffer_get_byte (&edit->buffer, i);
+        if (!(c == '\n' || c == '\r'))
+        {
+            /* not line break */
+            if (fputc (c, f) < 0)
+                return i;
+        }
+        else
+        {                       /* (c == '\n' || c == '\r') */
+            unsigned char c1;
+
+            c1 = edit_buffer_get_byte (&edit->buffer, i + 1);   /* next char */
+
+            switch (edit->lb)
+            {
+            case LB_UNIX:      /* replace "\r\n" or '\r' to '\n' */
+                /* put one line break unconditionally */
+                if (fputc ('\n', f) < 0)
+                    return i;
+
+                i++;            /* 2 chars are processed */
+
+                if (c == '\r' && c1 == '\n')
+                    /* Windows line break; go to the next char */
+                    break;
+
+                if (c == '\r' && c1 == '\r')
+                {
+                    /* two Macintosh line breaks; put second line break */
+                    if (fputc ('\n', f) < 0)
+                        return i;
+                    break;
+                }
+
+                if (fputc (c1, f) < 0)
+                    return i;
+                break;
+
+            case LB_WIN:       /* replace '\n' or '\r' to "\r\n" */
+                /* put one line break unconditionally */
+                if (fputc ('\r', f) < 0 || fputc ('\n', f) < 0)
+                    return i;
+
+                if (c == '\r' && c1 == '\n')
+                    /* Windows line break; go to the next char */
+                    i++;
+                break;
+
+            case LB_MAC:       /* replace "\r\n" or '\n' to '\r' */
+                /* put one line break unconditionally */
+                if (fputc ('\r', f) < 0)
+                    return i;
+
+                i++;            /* 2 chars are processed */
+
+                if (c == '\r' && c1 == '\n')
+                    /* Windows line break; go to the next char */
+                    break;
+
+                if (c == '\n' && c1 == '\n')
+                {
+                    /* two Windows line breaks; put second line break */
+                    if (fputc ('\r', f) < 0)
+                        return i;
+                    break;
+                }
+
+                if (fputc (c1, f) < 0)
+                    return i;
+                break;
+            case LB_ASIS:      /* default without changes */
+            default:
+                break;
+            }
+        }
+    }
+
+    return edit->buffer.size;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+is_break_char (char c)
+{
+    return (isspace (c) || strchr ("{}[]()<>=|/\\!?~-+`'\",.;:#$%^&*", c));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** inserts a file at the cursor, returns count of inserted bytes on success */
+
+off_t
+edit_insert_file (WEdit * edit, const vfs_path_t * filename_vpath)
+{
+    char *p;
+    off_t current;
+    off_t ins_len = 0;
+
+    p = edit_get_filter (filename_vpath);
+    current = edit->buffer.curs1;
+
+    if (p != NULL)
+    {
+        FILE *f;
+
+        f = (FILE *) popen (p, "r");
+        if (f != NULL)
+        {
+            edit_insert_stream (edit, f);
+
+            /* Place cursor at the end of text selection */
+            if (!edit_options.cursor_after_inserted_block)
+            {
+                ins_len = edit->buffer.curs1 - current;
+                edit_cursor_move (edit, -ins_len);
+            }
+            if (pclose (f) > 0)
+            {
+                char *errmsg;
+
+                errmsg = g_strdup_printf (_("Error reading from pipe: %s"), p);
+                edit_error_dialog (_("Error"), errmsg);
+                g_free (errmsg);
+                ins_len = -1;
+            }
+        }
+        else
+        {
+            char *errmsg;
+
+            errmsg = g_strdup_printf (_("Cannot open pipe for reading: %s"), p);
+            edit_error_dialog (_("Error"), errmsg);
+            g_free (errmsg);
+            ins_len = -1;
+        }
+        g_free (p);
+    }
+    else
+    {
+        int file;
+        off_t blocklen;
+        int vertical_insertion = 0;
+        char *buf;
+
+        file = mc_open (filename_vpath, O_RDONLY | O_BINARY);
+        if (file == -1)
+            return -1;
+
+        buf = g_malloc0 (TEMP_BUF_LEN);
+        blocklen = mc_read (file, buf, sizeof (VERTICAL_MAGIC));
+        if (blocklen > 0)
+        {
+            /* if contain signature VERTICAL_MAGIC then it vertical block */
+            if (memcmp (buf, VERTICAL_MAGIC, sizeof (VERTICAL_MAGIC)) == 0)
+                vertical_insertion = 1;
+            else
+                mc_lseek (file, 0, SEEK_SET);
+        }
+
+        if (vertical_insertion)
+        {
+            off_t mark1, mark2;
+            long c1, c2;
+
+            blocklen = edit_insert_column_from_file (edit, file, &mark1, &mark2, &c1, &c2);
+            edit_set_markers (edit, edit->buffer.curs1, mark2, c1, c2);
+
+            /* highlight inserted text then not persistent blocks */
+            if (!edit_options.persistent_selections && edit->modified)
+            {
+                if (!edit->column_highlight)
+                    edit_push_undo_action (edit, COLUMN_OFF);
+                edit->column_highlight = 1;
+            }
+        }
+        else
+        {
+            off_t i;
+
+            while ((blocklen = mc_read (file, (char *) buf, TEMP_BUF_LEN)) > 0)
+            {
+                for (i = 0; i < blocklen; i++)
+                    edit_insert (edit, buf[i]);
+            }
+            /* highlight inserted text then not persistent blocks */
+            if (!edit_options.persistent_selections && edit->modified)
+            {
+                edit_set_markers (edit, edit->buffer.curs1, current, 0, 0);
+                if (edit->column_highlight)
+                    edit_push_undo_action (edit, COLUMN_ON);
+                edit->column_highlight = 0;
+            }
+
+            /* Place cursor at the end of text selection */
+            if (!edit_options.cursor_after_inserted_block)
+            {
+                ins_len = edit->buffer.curs1 - current;
+                edit_cursor_move (edit, -ins_len);
+            }
+        }
+
+        edit->force |= REDRAW_PAGE;
+        g_free (buf);
+        mc_close (file);
+        if (blocklen != 0)
+            ins_len = 0;
+    }
+
+    return ins_len;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Fill in the edit structure.  Return NULL on failure.  Pass edit as
+ * NULL to allocate a new structure.
+ *
+ * If line is 0, try to restore saved position.  Otherwise put the
+ * cursor on that line and show it in the middle of the screen.
+ */
+
+WEdit *
+edit_init (WEdit * edit, const WRect * r, const vfs_path_t * filename_vpath, long line)
+{
+    gboolean to_free = FALSE;
+
+    auto_syntax = TRUE;         /* Resetting to auto on every invocation */
+    edit_options.line_state_width = edit_options.line_state ? LINE_STATE_WIDTH : 0;
+
+    if (edit != NULL)
+    {
+        gboolean fullscreen;
+        WRect loc_prev;
+
+        /* save some widget parameters */
+        fullscreen = edit->fullscreen;
+        loc_prev = edit->loc_prev;
+
+        edit_purge_widget (edit);
+
+        /* restore saved parameters */
+        edit->fullscreen = fullscreen;
+        edit->loc_prev = loc_prev;
+    }
+    else
+    {
+        Widget *w;
+
+        edit = g_malloc0 (sizeof (WEdit));
+        to_free = TRUE;
+
+        w = WIDGET (edit);
+        widget_init (w, r, NULL, NULL);
+        w->options |= WOP_SELECTABLE | WOP_TOP_SELECT | WOP_WANT_CURSOR;
+        w->keymap = editor_map;
+        w->ext_keymap = editor_x_map;
+        edit->fullscreen = TRUE;
+        edit_save_size (edit);
+    }
+
+    edit->drag_state = MCEDIT_DRAG_NONE;
+
+    edit->stat1.st_mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+    edit->stat1.st_uid = getuid ();
+    edit->stat1.st_gid = getgid ();
+    edit->stat1.st_mtime = 0;
+
+    edit->over_col = 0;
+    edit->bracket = -1;
+    edit->last_bracket = -1;
+    edit->force |= REDRAW_PAGE;
+
+    /* set file name before load file */
+    edit_set_filename (edit, filename_vpath);
+
+    edit->undo_stack_size = START_STACK_SIZE;
+    edit->undo_stack_size_mask = START_STACK_SIZE - 1;
+    edit->undo_stack = g_malloc0 ((edit->undo_stack_size + 10) * sizeof (long));
+
+    edit->redo_stack_size = START_STACK_SIZE;
+    edit->redo_stack_size_mask = START_STACK_SIZE - 1;
+    edit->redo_stack = g_malloc0 ((edit->redo_stack_size + 10) * sizeof (long));
+
+#ifdef HAVE_CHARSET
+    edit->utf8 = FALSE;
+    edit->converter = str_cnv_from_term;
+    edit_set_codeset (edit);
+#endif
+
+    if (!edit_load_file (edit))
+    {
+        /* edit_load_file already gives an error message */
+        if (to_free)
+            g_free (edit);
+        return NULL;
+    }
+
+    edit->loading_done = 1;
+    edit->modified = 0;
+    edit->locked = 0;
+    edit_load_syntax (edit, NULL, NULL);
+    edit_get_syntax_color (edit, -1);
+
+    /* load saved cursor position and/or boolmarks */
+    if ((line == 0) && edit_options.save_position)
+        edit_load_position (edit, TRUE);
+    else
+    {
+        edit_load_position (edit, FALSE);
+        if (line <= 0)
+            line = 1;
+        edit_move_display (edit, line - 1);
+        edit_move_to_line (edit, line - 1);
+    }
+
+    edit_load_macro_cmd (edit);
+
+    return edit;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Clear the edit struct, freeing everything in it.  Return TRUE on success */
+gboolean
+edit_clean (WEdit * edit)
+{
+    if (edit == NULL)
+        return FALSE;
+
+    /* a stale lock, remove it */
+    if (edit->locked)
+        (void) unlock_file (edit->filename_vpath);
+
+    /* save cursor position */
+    if (edit_options.save_position)
+        edit_save_position (edit);
+    else if (edit->serialized_bookmarks != NULL)
+        g_array_free (edit->serialized_bookmarks, TRUE);
+
+    /* File specified on the mcedit command line and never saved */
+    if (edit->delete_file)
+        unlink (vfs_path_get_last_path_str (edit->filename_vpath));
+
+    edit_free_syntax_rules (edit);
+    book_mark_flush (edit, -1);
+
+    edit_buffer_clean (&edit->buffer);
+
+    g_free (edit->undo_stack);
+    g_free (edit->redo_stack);
+    vfs_path_free (edit->filename_vpath, TRUE);
+    vfs_path_free (edit->dir_vpath, TRUE);
+    edit_search_deinit (edit);
+
+#ifdef HAVE_CHARSET
+    if (edit->converter != str_cnv_from_term)
+        str_close_conv (edit->converter);
+#endif
+
+    edit_purge_widget (edit);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Load a new file into the editor and set line.  If it fails, preserve the old file.
+ * To do it, allocate a new widget, initialize it and, if the new file
+ * was loaded, copy the data to the old widget.
+ *
+ * @return TRUE on success, FALSE on failure.
+ */
+gboolean
+edit_reload_line (WEdit * edit, const vfs_path_t * filename_vpath, long line)
+{
+    Widget *w = WIDGET (edit);
+    WEdit *e;
+
+    e = g_malloc0 (sizeof (WEdit));
+    *WIDGET (e) = *w;
+    /* save some widget parameters */
+    e->fullscreen = edit->fullscreen;
+    e->loc_prev = edit->loc_prev;
+
+    if (edit_init (e, &w->rect, filename_vpath, line) == NULL)
+    {
+        g_free (e);
+        return FALSE;
+    }
+
+    edit_clean (edit);
+    memcpy (edit, e, sizeof (*edit));
+    g_free (e);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_CHARSET
+void
+edit_set_codeset (WEdit * edit)
+{
+    const char *cp_id;
+
+    cp_id =
+        get_codepage_id (mc_global.source_codepage >=
+                         0 ? mc_global.source_codepage : mc_global.display_codepage);
+
+    if (cp_id != NULL)
+    {
+        GIConv conv;
+        conv = str_crt_conv_from (cp_id);
+        if (conv != INVALID_CONV)
+        {
+            if (edit->converter != str_cnv_from_term)
+                str_close_conv (edit->converter);
+            edit->converter = conv;
+        }
+    }
+
+    if (cp_id != NULL)
+        edit->utf8 = str_isutf8 (cp_id);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Recording stack for undo:
+ * The following is an implementation of a compressed stack. Identical
+ * pushes are recorded by a negative prefix indicating the number of times the
+ * same char was pushed. This saves space for repeated curs-left or curs-right
+ * delete etc.
+ *
+ * eg:
+ *
+ * pushed:       stored:
+ *
+ * a
+ * b             a
+ * b            -3
+ * b             b
+ * c  -->       -4
+ * c             c
+ * c             d
+ * c
+ * d
+ *
+ * If the stack long int is 0-255 it represents a normal insert (from a backspace),
+ * 256-512 is an insert ahead (from a delete), If it is between 600 and 700 it is one
+ * of the cursor functions define'd in edit-impl.h. 1000 through 700'000'000 is to
+ * set edit->mark1 position. 700'000'000 through 1400'000'000 is to set edit->mark2
+ * position.
+ *
+ * The only way the cursor moves or the buffer is changed is through the routines:
+ * insert, backspace, insert_ahead, delete, and cursor_move.
+ * These record the reverse undo movements onto the stack each time they are
+ * called.
+ *
+ * Each key press results in a set of actions (insert; delete ...). So each time
+ * a key is pressed the current position of start_display is pushed as
+ * KEY_PRESS + start_display. Then for undoing, we pop until we get to a number
+ * over KEY_PRESS. We then assign this number less KEY_PRESS to start_display. So undo
+ * tracks scrolling and key actions exactly. (KEY_PRESS is about (2^31) * (2/3) = 1400'000'000)
+ *
+ *
+ *
+ * @param edit editor object
+ * @param c code of the action
+ */
+
+void
+edit_push_undo_action (WEdit * edit, long c)
+{
+    unsigned long sp = edit->undo_stack_pointer;
+    unsigned long spm1;
+
+    /* first enlarge the stack if necessary */
+    if (sp > edit->undo_stack_size - 10)
+    {                           /* say */
+        if (max_undo < 256)
+            max_undo = 256;
+        if (edit->undo_stack_size < (unsigned long) max_undo)
+        {
+            long *t;
+
+            t = g_realloc (edit->undo_stack, (edit->undo_stack_size * 2 + 10) * sizeof (long));
+            if (t != NULL)
+            {
+                edit->undo_stack = t;
+                edit->undo_stack_size <<= 1;
+                edit->undo_stack_size_mask = edit->undo_stack_size - 1;
+            }
+        }
+    }
+    spm1 = (edit->undo_stack_pointer - 1) & edit->undo_stack_size_mask;
+    if (edit->undo_stack_disable)
+    {
+        edit_push_redo_action (edit, KEY_PRESS);
+        edit_push_redo_action (edit, c);
+        return;
+    }
+
+    if (edit->redo_stack_reset)
+        edit->redo_stack_bottom = edit->redo_stack_pointer = 0;
+
+    if (edit->undo_stack_bottom != sp
+        && spm1 != edit->undo_stack_bottom
+        && ((sp - 2) & edit->undo_stack_size_mask) != edit->undo_stack_bottom)
+    {
+        long d;
+        if (edit->undo_stack[spm1] < 0)
+        {
+            d = edit->undo_stack[(sp - 2) & edit->undo_stack_size_mask];
+            if (d == c && edit->undo_stack[spm1] > -1000000000)
+            {
+                if (c < KEY_PRESS)      /* --> no need to push multiple do-nothings */
+                    edit->undo_stack[spm1]--;
+                return;
+            }
+        }
+        else
+        {
+            d = edit->undo_stack[spm1];
+            if (d == c)
+            {
+                if (c >= KEY_PRESS)
+                    return;     /* --> no need to push multiple do-nothings */
+                edit->undo_stack[sp] = -2;
+                goto check_bottom;
+            }
+        }
+    }
+    edit->undo_stack[sp] = c;
+
+  check_bottom:
+    edit->undo_stack_pointer = (edit->undo_stack_pointer + 1) & edit->undo_stack_size_mask;
+
+    /* if the sp wraps round and catches the undo_stack_bottom then erase
+     * the first set of actions on the stack to make space - by moving
+     * undo_stack_bottom forward one "key press" */
+    c = (edit->undo_stack_pointer + 2) & edit->undo_stack_size_mask;
+    if ((unsigned long) c == edit->undo_stack_bottom ||
+        (((unsigned long) c + 1) & edit->undo_stack_size_mask) == edit->undo_stack_bottom)
+        do
+        {
+            edit->undo_stack_bottom = (edit->undo_stack_bottom + 1) & edit->undo_stack_size_mask;
+        }
+        while (edit->undo_stack[edit->undo_stack_bottom] < KEY_PRESS
+               && edit->undo_stack_bottom != edit->undo_stack_pointer);
+
+    /*If a single key produced enough pushes to wrap all the way round then we would notice that the [undo_stack_bottom] does not contain KEY_PRESS. The stack is then initialised: */
+    if (edit->undo_stack_pointer != edit->undo_stack_bottom
+        && edit->undo_stack[edit->undo_stack_bottom] < KEY_PRESS)
+    {
+        edit->undo_stack_bottom = edit->undo_stack_pointer = 0;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_push_redo_action (WEdit * edit, long c)
+{
+    unsigned long sp = edit->redo_stack_pointer;
+    unsigned long spm1;
+    /* first enlarge the stack if necessary */
+    if (sp > edit->redo_stack_size - 10)
+    {                           /* say */
+        if (max_undo < 256)
+            max_undo = 256;
+        if (edit->redo_stack_size < (unsigned long) max_undo)
+        {
+            long *t;
+
+            t = g_realloc (edit->redo_stack, (edit->redo_stack_size * 2 + 10) * sizeof (long));
+            if (t != NULL)
+            {
+                edit->redo_stack = t;
+                edit->redo_stack_size <<= 1;
+                edit->redo_stack_size_mask = edit->redo_stack_size - 1;
+            }
+        }
+    }
+    spm1 = (edit->redo_stack_pointer - 1) & edit->redo_stack_size_mask;
+
+    if (edit->redo_stack_bottom != sp
+        && spm1 != edit->redo_stack_bottom
+        && ((sp - 2) & edit->redo_stack_size_mask) != edit->redo_stack_bottom)
+    {
+        long d;
+        if (edit->redo_stack[spm1] < 0)
+        {
+            d = edit->redo_stack[(sp - 2) & edit->redo_stack_size_mask];
+            if (d == c && edit->redo_stack[spm1] > -1000000000)
+            {
+                if (c < KEY_PRESS)      /* --> no need to push multiple do-nothings */
+                    edit->redo_stack[spm1]--;
+                return;
+            }
+        }
+        else
+        {
+            d = edit->redo_stack[spm1];
+            if (d == c)
+            {
+                if (c >= KEY_PRESS)
+                    return;     /* --> no need to push multiple do-nothings */
+                edit->redo_stack[sp] = -2;
+                goto redo_check_bottom;
+            }
+        }
+    }
+    edit->redo_stack[sp] = c;
+
+  redo_check_bottom:
+    edit->redo_stack_pointer = (edit->redo_stack_pointer + 1) & edit->redo_stack_size_mask;
+
+    /* if the sp wraps round and catches the redo_stack_bottom then erase
+     * the first set of actions on the stack to make space - by moving
+     * redo_stack_bottom forward one "key press" */
+    c = (edit->redo_stack_pointer + 2) & edit->redo_stack_size_mask;
+    if ((unsigned long) c == edit->redo_stack_bottom ||
+        (((unsigned long) c + 1) & edit->redo_stack_size_mask) == edit->redo_stack_bottom)
+        do
+        {
+            edit->redo_stack_bottom = (edit->redo_stack_bottom + 1) & edit->redo_stack_size_mask;
+        }
+        while (edit->redo_stack[edit->redo_stack_bottom] < KEY_PRESS
+               && edit->redo_stack_bottom != edit->redo_stack_pointer);
+
+    /*
+     * If a single key produced enough pushes to wrap all the way round then
+     * we would notice that the [redo_stack_bottom] does not contain KEY_PRESS.
+     * The stack is then initialised:
+     */
+
+    if (edit->redo_stack_pointer != edit->redo_stack_bottom
+        && edit->redo_stack[edit->redo_stack_bottom] < KEY_PRESS)
+        edit->redo_stack_bottom = edit->redo_stack_pointer = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   Basic low level single character buffer alterations and movements at the cursor.
+ */
+
+void
+edit_insert (WEdit * edit, int c)
+{
+    /* first we must update the position of the display window */
+    if (edit->buffer.curs1 < edit->start_display)
+    {
+        edit->start_display++;
+        if (c == '\n')
+            edit->start_line++;
+    }
+
+    /* Mark file as modified, unless the file hasn't been fully loaded */
+    if (edit->loading_done)
+        edit_modification (edit);
+
+    /* now we must update some info on the file and check if a redraw is required */
+    if (c == '\n')
+    {
+        book_mark_inc (edit, edit->buffer.curs_line);
+        edit->buffer.curs_line++;
+        edit->buffer.lines++;
+        edit->force |= REDRAW_LINE_ABOVE | REDRAW_AFTER_CURSOR;
+    }
+
+    /* save the reverse command onto the undo stack */
+    /* ordinary char and not space */
+    if (c > 32)
+        edit_push_undo_action (edit, BACKSPACE);
+    else
+        edit_push_undo_action (edit, BACKSPACE_BR);
+    /* update markers */
+    edit->mark1 += (edit->mark1 > edit->buffer.curs1) ? 1 : 0;
+    edit->mark2 += (edit->mark2 > edit->buffer.curs1) ? 1 : 0;
+    edit->last_get_rule += (edit->last_get_rule > edit->buffer.curs1) ? 1 : 0;
+
+    edit_buffer_insert (&edit->buffer, c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** same as edit_insert and move left */
+
+void
+edit_insert_ahead (WEdit * edit, int c)
+{
+    if (edit->buffer.curs1 < edit->start_display)
+    {
+        edit->start_display++;
+        if (c == '\n')
+            edit->start_line++;
+    }
+    edit_modification (edit);
+    if (c == '\n')
+    {
+        book_mark_inc (edit, edit->buffer.curs_line);
+        edit->buffer.lines++;
+        edit->force |= REDRAW_AFTER_CURSOR;
+    }
+    /* ordinary char and not space */
+    if (c > 32)
+        edit_push_undo_action (edit, DELCHAR);
+    else
+        edit_push_undo_action (edit, DELCHAR_BR);
+
+    edit->mark1 += (edit->mark1 >= edit->buffer.curs1) ? 1 : 0;
+    edit->mark2 += (edit->mark2 >= edit->buffer.curs1) ? 1 : 0;
+    edit->last_get_rule += (edit->last_get_rule >= edit->buffer.curs1) ? 1 : 0;
+
+    edit_buffer_insert_ahead (&edit->buffer, c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_insert_over (WEdit * edit)
+{
+    long i;
+
+    for (i = 0; i < edit->over_col; i++)
+        edit_insert (edit, ' ');
+
+    edit->over_col = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+edit_delete (WEdit * edit, gboolean byte_delete)
+{
+    int p = 0;
+    int char_length = 1;
+    int i;
+
+    if (edit->buffer.curs2 == 0)
+        return 0;
+
+#ifdef HAVE_CHARSET
+    /* if byte_delete == TRUE then delete only one byte not multibyte char */
+    if (edit->utf8 && !byte_delete)
+    {
+        edit_buffer_get_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+        if (char_length < 1)
+            char_length = 1;
+    }
+#else
+    (void) byte_delete;
+#endif
+
+    if (edit->mark2 != edit->mark1)
+        edit_push_markers (edit);
+
+    for (i = 1; i <= char_length; i++)
+    {
+        if (edit->mark1 > edit->buffer.curs1)
+        {
+            edit->mark1--;
+            edit->end_mark_curs--;
+        }
+        if (edit->mark2 > edit->buffer.curs1)
+            edit->mark2--;
+        if (edit->last_get_rule > edit->buffer.curs1)
+            edit->last_get_rule--;
+
+        p = edit_buffer_delete (&edit->buffer);
+
+        edit_push_undo_action (edit, p + 256);
+    }
+
+    edit_modification (edit);
+    if (p == '\n')
+    {
+        book_mark_dec (edit, edit->buffer.curs_line);
+        edit->buffer.lines--;
+        edit->force |= REDRAW_AFTER_CURSOR;
+    }
+    if (edit->buffer.curs1 < edit->start_display)
+    {
+        edit->start_display--;
+        if (p == '\n')
+            edit->start_line--;
+    }
+
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+edit_backspace (WEdit * edit, gboolean byte_delete)
+{
+    int p = 0;
+    int char_length = 1;
+    int i;
+
+    if (edit->buffer.curs1 == 0)
+        return 0;
+
+    if (edit->mark2 != edit->mark1)
+        edit_push_markers (edit);
+
+#ifdef HAVE_CHARSET
+    if (edit->utf8 && !byte_delete)
+    {
+        edit_buffer_get_prev_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+        if (char_length < 1)
+            char_length = 1;
+    }
+#else
+    (void) byte_delete;
+#endif
+
+    for (i = 1; i <= char_length; i++)
+    {
+        if (edit->mark1 >= edit->buffer.curs1)
+        {
+            edit->mark1--;
+            edit->end_mark_curs--;
+        }
+        if (edit->mark2 >= edit->buffer.curs1)
+            edit->mark2--;
+        if (edit->last_get_rule >= edit->buffer.curs1)
+            edit->last_get_rule--;
+
+        p = edit_buffer_backspace (&edit->buffer);
+
+        edit_push_undo_action (edit, p);
+    }
+    edit_modification (edit);
+    if (p == '\n')
+    {
+        book_mark_dec (edit, edit->buffer.curs_line);
+        edit->buffer.curs_line--;
+        edit->buffer.lines--;
+        edit->force |= REDRAW_AFTER_CURSOR;
+    }
+
+    if (edit->buffer.curs1 < edit->start_display)
+    {
+        edit->start_display--;
+        if (p == '\n')
+            edit->start_line--;
+    }
+
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** moves the cursor right or left: increment positive or negative respectively */
+
+void
+edit_cursor_move (WEdit * edit, off_t increment)
+{
+    if (increment < 0)
+    {
+        for (; increment < 0 && edit->buffer.curs1 != 0; increment++)
+        {
+            int c;
+
+            edit_push_undo_action (edit, CURS_RIGHT);
+
+            c = edit_buffer_get_previous_byte (&edit->buffer);
+            edit_buffer_insert_ahead (&edit->buffer, c);
+            c = edit_buffer_backspace (&edit->buffer);
+            if (c == '\n')
+            {
+                edit->buffer.curs_line--;
+                edit->force |= REDRAW_LINE_BELOW;
+            }
+        }
+    }
+    else
+    {
+        for (; increment > 0 && edit->buffer.curs2 != 0; increment--)
+        {
+            int c;
+
+            edit_push_undo_action (edit, CURS_LEFT);
+
+            c = edit_buffer_get_current_byte (&edit->buffer);
+            edit_buffer_insert (&edit->buffer, c);
+            c = edit_buffer_delete (&edit->buffer);
+            if (c == '\n')
+            {
+                edit->buffer.curs_line++;
+                edit->force |= REDRAW_LINE_ABOVE;
+            }
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* If cols is zero this returns the count of columns from current to upto. */
+/* If upto is zero returns index of cols across from current. */
+
+off_t
+edit_move_forward3 (const WEdit * edit, off_t current, long cols, off_t upto)
+{
+    off_t p, q;
+    long col;
+
+    if (upto != 0)
+    {
+        q = upto;
+        cols = -10;
+    }
+    else
+        q = edit->buffer.size + 2;
+
+    for (col = 0, p = current; p < q; p++)
+    {
+        int c, orig_c;
+
+        if (cols != -10)
+        {
+            if (col == cols)
+                return p;
+            if (col > cols)
+                return p - 1;
+        }
+
+        orig_c = c = edit_buffer_get_byte (&edit->buffer, p);
+
+#ifdef HAVE_CHARSET
+        if (edit->utf8)
+        {
+            int utf_ch;
+            int char_length = 1;
+
+            utf_ch = edit_buffer_get_utf (&edit->buffer, p, &char_length);
+            if (mc_global.utf8_display)
+            {
+                if (char_length > 1)
+                    col -= char_length - 1;
+                if (g_unichar_iswide (utf_ch))
+                    col++;
+            }
+            else if (char_length > 1 && g_unichar_isprint (utf_ch))
+                col -= char_length - 1;
+        }
+
+        c = convert_to_display_c (c);
+#endif
+
+        if (c == '\n')
+            return (upto != 0 ? (off_t) col : p);
+        if (c == '\t')
+            col += TAB_SIZE - col % TAB_SIZE;
+        else if ((c < 32 || c == 127) && (orig_c == c
+#ifdef HAVE_CHARSET
+                                          || (!mc_global.utf8_display && !edit->utf8)
+#endif
+                 ))
+            /* '\r' is shown as ^M, so we must advance 2 characters */
+            /* Caret notation for control characters */
+            col += 2;
+        else
+            col++;
+    }
+    return (off_t) col;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns the current offset of the cursor from the beginning of a file */
+
+off_t
+edit_get_cursor_offset (const WEdit * edit)
+{
+    return edit->buffer.curs1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns the current column position of the cursor */
+
+long
+edit_get_col (const WEdit * edit)
+{
+    return (long) edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0,
+                                      edit->buffer.curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Scrolling functions */
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_update_curs_row (WEdit * edit)
+{
+    edit->curs_row = edit->buffer.curs_line - edit->start_line;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_update_curs_col (WEdit * edit)
+{
+    edit->curs_col = (long) edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer),
+                                                0, edit->buffer.curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+long
+edit_get_curs_col (const WEdit * edit)
+{
+    return edit->curs_col;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** moves the display start position up by i lines */
+
+void
+edit_scroll_upward (WEdit * edit, long i)
+{
+    long lines_above = edit->start_line;
+
+    if (i > lines_above)
+        i = lines_above;
+    if (i != 0)
+    {
+        edit->start_line -= i;
+        edit->start_display =
+            edit_buffer_get_backward_offset (&edit->buffer, edit->start_display, i);
+        edit->force |= REDRAW_PAGE;
+        edit->force &= (0xfff - REDRAW_CHAR_ONLY);
+    }
+    edit_update_curs_row (edit);
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_scroll_downward (WEdit * edit, long i)
+{
+    long lines_below;
+
+    lines_below = edit->buffer.lines - edit->start_line - (WIDGET (edit)->rect.lines - 1);
+    if (lines_below > 0)
+    {
+        if (i > lines_below)
+            i = lines_below;
+        edit->start_line += i;
+        edit->start_display =
+            edit_buffer_get_forward_offset (&edit->buffer, edit->start_display, i, 0);
+        edit->force |= REDRAW_PAGE;
+        edit->force &= (0xfff - REDRAW_CHAR_ONLY);
+    }
+    edit_update_curs_row (edit);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_scroll_right (WEdit * edit, long i)
+{
+    edit->force |= REDRAW_PAGE;
+    edit->force &= (0xfff - REDRAW_CHAR_ONLY);
+    edit->start_col -= i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_scroll_left (WEdit * edit, long i)
+{
+    if (edit->start_col)
+    {
+        edit->start_col += i;
+        if (edit->start_col > 0)
+            edit->start_col = 0;
+        edit->force |= REDRAW_PAGE;
+        edit->force &= (0xfff - REDRAW_CHAR_ONLY);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* high level cursor movement commands */
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_move_to_prev_col (WEdit * edit, off_t p)
+{
+    long prev = edit->prev_col;
+    long over = edit->over_col;
+
+    edit_cursor_move (edit,
+                      edit_move_forward3 (edit, p, prev + edit->over_col, 0) - edit->buffer.curs1);
+
+    if (edit_options.cursor_beyond_eol)
+    {
+        long line_len;
+
+        line_len = (long) edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0,
+                                              edit_buffer_get_current_eol (&edit->buffer));
+        if (line_len < prev + edit->over_col)
+        {
+            edit->over_col = prev + over - line_len;
+            edit->prev_col = line_len;
+            edit->curs_col = line_len;
+        }
+        else
+        {
+            edit->curs_col = prev + over;
+            edit->prev_col = edit->curs_col;
+            edit->over_col = 0;
+        }
+    }
+    else
+    {
+        edit->over_col = 0;
+        if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer))
+        {
+            long fake_half_tabs;
+
+            edit_update_curs_col (edit);
+
+            fake_half_tabs = HALF_TAB_SIZE * space_width;
+            if (fake_half_tabs != 0 && edit->curs_col % fake_half_tabs != 0)
+            {
+                long q;
+
+                q = edit->curs_col;
+                edit->curs_col -= (edit->curs_col % fake_half_tabs);
+                p = edit_buffer_get_current_bol (&edit->buffer);
+                edit_cursor_move (edit,
+                                  edit_move_forward3 (edit, p, edit->curs_col,
+                                                      0) - edit->buffer.curs1);
+                if (!left_of_four_spaces (edit))
+                    edit_cursor_move (edit,
+                                      edit_move_forward3 (edit, p, q, 0) - edit->buffer.curs1);
+            }
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** check whether line in editor is blank or not
+ *
+ * @param edit editor object
+ * @param line number of line
+ *
+ * @return TRUE if line in blank, FALSE otherwise
+ */
+
+gboolean
+edit_line_is_blank (WEdit * edit, long line)
+{
+    return is_blank (&edit->buffer, edit_find_line (edit, line));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** move cursor to line 'line' */
+
+void
+edit_move_to_line (WEdit * e, long line)
+{
+    if (line < e->buffer.curs_line)
+        edit_move_up (e, e->buffer.curs_line - line, FALSE);
+    else
+        edit_move_down (e, line - e->buffer.curs_line, FALSE);
+    edit_scroll_screen_over_cursor (e);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** scroll window so that first visible line is 'line' */
+
+void
+edit_move_display (WEdit * e, long line)
+{
+    if (line < e->start_line)
+        edit_scroll_upward (e, e->start_line - line);
+    else
+        edit_scroll_downward (e, line - e->start_line);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** save markers onto undo stack */
+
+void
+edit_push_markers (WEdit * edit)
+{
+    edit_push_undo_action (edit, MARK_1 + edit->mark1);
+    edit_push_undo_action (edit, MARK_2 + edit->mark2);
+    edit_push_undo_action (edit, MARK_CURS + edit->end_mark_curs);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_set_markers (WEdit * edit, off_t m1, off_t m2, long c1, long c2)
+{
+    edit->mark1 = m1;
+    edit->mark2 = m2;
+    edit->column1 = c1;
+    edit->column2 = c2;
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+/** highlight marker toggle */
+
+void
+edit_mark_cmd (WEdit * edit, gboolean unmark)
+{
+    edit_push_markers (edit);
+    if (unmark)
+    {
+        edit_set_markers (edit, 0, 0, 0, 0);
+        edit->force |= REDRAW_PAGE;
+    }
+    else if (edit->mark2 >= 0)
+    {
+        edit->end_mark_curs = -1;
+        edit_set_markers (edit, edit->buffer.curs1, -1, edit->curs_col + edit->over_col,
+                          edit->curs_col + edit->over_col);
+        edit->force |= REDRAW_PAGE;
+    }
+    else
+    {
+        edit->end_mark_curs = edit->buffer.curs1;
+        edit_set_markers (edit, edit->mark1, edit->buffer.curs1, edit->column1,
+                          edit->curs_col + edit->over_col);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** highlight the word under cursor */
+
+void
+edit_mark_current_word_cmd (WEdit * edit)
+{
+    long pos;
+
+    for (pos = edit->buffer.curs1; pos != 0; pos--)
+    {
+        int c1, c2;
+
+        c1 = edit_buffer_get_byte (&edit->buffer, pos);
+        c2 = edit_buffer_get_byte (&edit->buffer, pos - 1);
+        if (!isspace (c1) && isspace (c2))
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+    }
+    edit->mark1 = pos;
+
+    for (; pos < edit->buffer.size; pos++)
+    {
+        int c1, c2;
+
+        c1 = edit_buffer_get_byte (&edit->buffer, pos);
+        c2 = edit_buffer_get_byte (&edit->buffer, pos + 1);
+        if (!isspace (c1) && isspace (c2))
+            break;
+        if ((my_type_of (c1) & my_type_of (c2)) == 0)
+            break;
+    }
+    edit->mark2 = MIN (pos + 1, edit->buffer.size);
+
+    edit->force |= REDRAW_LINE_ABOVE | REDRAW_AFTER_CURSOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_mark_current_line_cmd (WEdit * edit)
+{
+    edit->mark1 = edit_buffer_get_current_bol (&edit->buffer);
+    edit->mark2 = edit_buffer_get_current_eol (&edit->buffer);
+
+    edit->force |= REDRAW_LINE_ABOVE | REDRAW_AFTER_CURSOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_delete_line (WEdit * edit)
+{
+    /*
+     * Delete right part of the line.
+     * Note that edit_buffer_get_byte() returns '\n' when byte position is
+     *   beyond EOF.
+     */
+    while (edit_buffer_get_current_byte (&edit->buffer) != '\n')
+        (void) edit_delete (edit, TRUE);
+
+    /*
+     * Delete '\n' char.
+     * Note that edit_delete() will not corrupt anything if called while
+     *   cursor position is EOF.
+     */
+    (void) edit_delete (edit, TRUE);
+
+    /*
+     * Delete left part of the line.
+     * Note, that edit_buffer_get_byte() returns '\n' when byte position is < 0.
+     */
+    while (edit_buffer_get_previous_byte (&edit->buffer) != '\n')
+        (void) edit_backspace (edit, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_push_key_press (WEdit * edit)
+{
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+    if (edit->mark2 == -1)
+    {
+        edit_push_undo_action (edit, MARK_1 + edit->mark1);
+        edit_push_undo_action (edit, MARK_CURS + edit->end_mark_curs);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_find_bracket (WEdit * edit)
+{
+    edit->bracket = edit_get_bracket (edit, 1, 10000);
+    if (edit->last_bracket != edit->bracket)
+        edit->force |= REDRAW_PAGE;
+    edit->last_bracket = edit->bracket;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * This executes a command as though the user initiated it through a key
+ * press.  Callback with MSG_KEY as a message calls this after
+ * translating the key press.  This function can be used to pass any
+ * command to the editor.  Note that the screen wouldn't update
+ * automatically.  Either of command or char_for_insertion must be
+ * passed as -1.  Commands are executed, and char_for_insertion is
+ * inserted at the cursor.
+ */
+
+void
+edit_execute_key_command (WEdit * edit, long command, int char_for_insertion)
+{
+    if (command == CK_MacroStartRecord || command == CK_RepeatStartRecord
+        || (macro_index < 0
+            && (command == CK_MacroStartStopRecord || command == CK_RepeatStartStopRecord)))
+    {
+        macro_index = 0;
+        edit->force |= REDRAW_CHAR_ONLY | REDRAW_LINE;
+        return;
+    }
+    if (macro_index != -1)
+    {
+        edit->force |= REDRAW_COMPLETELY;
+        if (command == CK_MacroStopRecord || command == CK_MacroStartStopRecord)
+        {
+            edit_store_macro_cmd (edit);
+            macro_index = -1;
+            return;
+        }
+        if (command == CK_RepeatStopRecord || command == CK_RepeatStartStopRecord)
+        {
+            edit_repeat_macro_cmd (edit);
+            macro_index = -1;
+            return;
+        }
+    }
+
+    if (macro_index >= 0 && macro_index < MAX_MACRO_LENGTH - 1)
+    {
+        record_macro_buf[macro_index].action = command;
+        record_macro_buf[macro_index++].ch = char_for_insertion;
+    }
+    /* record the beginning of a set of editing actions initiated by a key press */
+    if (command != CK_Undo && command != CK_ExtendedKeyMap)
+        edit_push_key_press (edit);
+
+    edit_execute_cmd (edit, command, char_for_insertion);
+    if (edit->column_highlight)
+        edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   This executes a command at a lower level than macro recording.
+   It also does not push a key_press onto the undo stack. This means
+   that if it is called many times, a single undo command will undo
+   all of them. It also does not check for the Undo command.
+ */
+void
+edit_execute_cmd (WEdit * edit, long command, int char_for_insertion)
+{
+    WRect *w = &WIDGET (edit)->rect;
+
+    if (command == CK_WindowFullscreen)
+    {
+        edit_toggle_fullscreen (edit);
+        return;
+    }
+
+    /* handle window state */
+    if (edit_handle_move_resize (edit, command))
+        return;
+
+    edit->force |= REDRAW_LINE;
+
+    /* The next key press will unhighlight the found string, so update
+     * the whole page */
+    if (edit->found_len || edit->column_highlight)
+        edit->force |= REDRAW_PAGE;
+
+    switch (command)
+    {
+        /* a mark command with shift-arrow */
+    case CK_MarkLeft:
+    case CK_MarkRight:
+    case CK_MarkToWordBegin:
+    case CK_MarkToWordEnd:
+    case CK_MarkToHome:
+    case CK_MarkToEnd:
+    case CK_MarkUp:
+    case CK_MarkDown:
+    case CK_MarkPageUp:
+    case CK_MarkPageDown:
+    case CK_MarkToFileBegin:
+    case CK_MarkToFileEnd:
+    case CK_MarkToPageBegin:
+    case CK_MarkToPageEnd:
+    case CK_MarkScrollUp:
+    case CK_MarkScrollDown:
+    case CK_MarkParagraphUp:
+    case CK_MarkParagraphDown:
+        /* a mark command with alt-arrow */
+    case CK_MarkColumnPageUp:
+    case CK_MarkColumnPageDown:
+    case CK_MarkColumnLeft:
+    case CK_MarkColumnRight:
+    case CK_MarkColumnUp:
+    case CK_MarkColumnDown:
+    case CK_MarkColumnScrollUp:
+    case CK_MarkColumnScrollDown:
+    case CK_MarkColumnParagraphUp:
+    case CK_MarkColumnParagraphDown:
+        edit->column_highlight = 0;
+        if (edit->highlight == 0 || (edit->mark2 != -1 && edit->mark1 != edit->mark2))
+        {
+            edit_mark_cmd (edit, TRUE); /* clear */
+            edit_mark_cmd (edit, FALSE);        /* marking on */
+        }
+        edit->highlight = 1;
+        break;
+
+        /* any other command */
+    default:
+        if (edit->highlight)
+            edit_mark_cmd (edit, FALSE);        /* clear */
+        edit->highlight = 0;
+    }
+
+    /* first check for undo */
+    if (command == CK_Undo)
+    {
+        edit->redo_stack_reset = 0;
+        edit_group_undo (edit);
+        edit->found_len = 0;
+        edit->prev_col = edit_get_col (edit);
+        edit->search_start = edit->buffer.curs1;
+        return;
+    }
+    /*  check for redo */
+    if (command == CK_Redo)
+    {
+        edit->redo_stack_reset = 0;
+        edit_do_redo (edit);
+        edit->found_len = 0;
+        edit->prev_col = edit_get_col (edit);
+        edit->search_start = edit->buffer.curs1;
+        return;
+    }
+
+    edit->redo_stack_reset = 1;
+
+    /* An ordinary key press */
+    if (char_for_insertion >= 0)
+    {
+        /* if non persistent selection and text selected */
+        if (!edit_options.persistent_selections && edit->mark1 != edit->mark2)
+            edit_block_delete_cmd (edit);
+
+        if (edit->overwrite)
+        {
+            /* remove char only one time, after input first byte, multibyte chars */
+#ifdef HAVE_CHARSET
+            if (!mc_global.utf8_display || edit->charpoint == 0)
+#endif
+                if (edit_buffer_get_current_byte (&edit->buffer) != '\n')
+
+                    edit_delete (edit, FALSE);
+        }
+        if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit_insert_over (edit);
+#ifdef HAVE_CHARSET
+        /**
+           Encode 8-bit input as UTF-8, if display (locale) is *not* UTF-8,
+           *but* source encoding *is* set to UTF-8; see ticket #3843 for the details.
+        */
+        if (char_for_insertion > 127 && str_isutf8 (get_codepage_id (mc_global.source_codepage))
+            && !mc_global.utf8_display)
+        {
+            unsigned char str[UTF8_CHAR_LEN + 1];
+            size_t i = 0;
+            int res;
+
+            res = g_unichar_to_utf8 (char_for_insertion, (char *) str);
+            if (res == 0)
+            {
+                str[0] = '.';
+                str[1] = '\0';
+            }
+            else
+            {
+                str[res] = '\0';
+            }
+            while (i <= UTF8_CHAR_LEN && str[i] != '\0')
+            {
+                char_for_insertion = str[i];
+                edit_insert (edit, char_for_insertion);
+                i++;
+            }
+        }
+        else
+#endif
+            edit_insert (edit, char_for_insertion);
+
+        if (edit_options.auto_para_formatting)
+        {
+            format_paragraph (edit, FALSE);
+            edit->force |= REDRAW_PAGE;
+        }
+        else
+            check_and_wrap_line (edit);
+        edit->found_len = 0;
+        edit->prev_col = edit_get_col (edit);
+        edit->search_start = edit->buffer.curs1;
+        edit_find_bracket (edit);
+        return;
+    }
+
+    switch (command)
+    {
+    case CK_TopOnScreen:
+    case CK_BottomOnScreen:
+    case CK_Top:
+    case CK_Bottom:
+    case CK_PageUp:
+    case CK_PageDown:
+    case CK_Home:
+    case CK_End:
+    case CK_Up:
+    case CK_Down:
+    case CK_Left:
+    case CK_Right:
+    case CK_WordLeft:
+    case CK_WordRight:
+        if (!edit_options.persistent_selections && edit->mark2 >= 0)
+        {
+            if (edit->column_highlight)
+                edit_push_undo_action (edit, COLUMN_ON);
+            edit->column_highlight = 0;
+            edit_mark_cmd (edit, TRUE);
+        }
+        break;
+    default:
+        break;
+    }
+
+    switch (command)
+    {
+    case CK_TopOnScreen:
+    case CK_BottomOnScreen:
+    case CK_MarkToPageBegin:
+    case CK_MarkToPageEnd:
+    case CK_Up:
+    case CK_Down:
+    case CK_WordLeft:
+    case CK_WordRight:
+    case CK_MarkToWordBegin:
+    case CK_MarkToWordEnd:
+    case CK_MarkUp:
+    case CK_MarkDown:
+    case CK_MarkColumnUp:
+    case CK_MarkColumnDown:
+        if (edit->mark2 == -1)
+            break;              /*marking is following the cursor: may need to highlight a whole line */
+        MC_FALLTHROUGH;
+    case CK_Left:
+    case CK_Right:
+    case CK_MarkLeft:
+    case CK_MarkRight:
+        edit->force |= REDRAW_CHAR_ONLY;
+        break;
+    default:
+        break;
+    }
+
+    /* basic cursor key commands */
+    switch (command)
+    {
+    case CK_BackSpace:
+        /* if non persistent selection and text selected */
+        if (!edit_options.persistent_selections && edit->mark1 != edit->mark2)
+            edit_block_delete_cmd (edit);
+        else if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit->over_col--;
+        else if (edit_options.backspace_through_tabs && is_in_indent (&edit->buffer))
+        {
+            while (edit_buffer_get_previous_byte (&edit->buffer) != '\n' && edit->buffer.curs1 > 0)
+                edit_backspace (edit, TRUE);
+        }
+        else if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer)
+                 && right_of_four_spaces (edit))
+        {
+            int i;
+
+            for (i = 0; i < HALF_TAB_SIZE; i++)
+                edit_backspace (edit, TRUE);
+        }
+        else
+            edit_backspace (edit, FALSE);
+        break;
+    case CK_Delete:
+        /* if non persistent selection and text selected */
+        if (!edit_options.persistent_selections && edit->mark1 != edit->mark2)
+            edit_block_delete_cmd (edit);
+        else
+        {
+            if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+                edit_insert_over (edit);
+
+            if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer)
+                && left_of_four_spaces (edit))
+            {
+                int i;
+
+                for (i = 1; i <= HALF_TAB_SIZE; i++)
+                    edit_delete (edit, TRUE);
+            }
+            else
+                edit_delete (edit, FALSE);
+        }
+        break;
+    case CK_DeleteToWordBegin:
+        edit->over_col = 0;
+        edit_left_delete_word (edit);
+        break;
+    case CK_DeleteToWordEnd:
+        if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit_insert_over (edit);
+
+        edit_right_delete_word (edit);
+        break;
+    case CK_DeleteLine:
+        edit_delete_line (edit);
+        break;
+    case CK_DeleteToHome:
+        edit_delete_to_line_begin (edit);
+        break;
+    case CK_DeleteToEnd:
+        edit_delete_to_line_end (edit);
+        break;
+    case CK_Enter:
+        edit->over_col = 0;
+        if (edit_options.auto_para_formatting)
+        {
+            edit_double_newline (edit);
+            if (edit_options.return_does_auto_indent && !bracketed_pasting_in_progress)
+                edit_auto_indent (edit);
+            format_paragraph (edit, FALSE);
+        }
+        else
+        {
+            edit_insert (edit, '\n');
+            if (edit_options.return_does_auto_indent && !bracketed_pasting_in_progress)
+                edit_auto_indent (edit);
+        }
+        break;
+    case CK_Return:
+        edit_insert (edit, '\n');
+        break;
+
+    case CK_MarkColumnPageUp:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_PageUp:
+    case CK_MarkPageUp:
+        edit_move_up (edit, w->lines - 1, TRUE);
+        break;
+    case CK_MarkColumnPageDown:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_PageDown:
+    case CK_MarkPageDown:
+        edit_move_down (edit, w->lines - 1, TRUE);
+        break;
+    case CK_MarkColumnLeft:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_Left:
+    case CK_MarkLeft:
+        if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer)
+            && right_of_four_spaces (edit))
+        {
+            if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+                edit->over_col--;
+            else
+                edit_cursor_move (edit, -HALF_TAB_SIZE);
+            edit->force &= (0xFFF - REDRAW_CHAR_ONLY);
+        }
+        else
+            edit_left_char_move_cmd (edit);
+        break;
+    case CK_MarkColumnRight:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_Right:
+    case CK_MarkRight:
+        if (edit_options.fake_half_tabs && is_in_indent (&edit->buffer)
+            && left_of_four_spaces (edit))
+        {
+            edit_cursor_move (edit, HALF_TAB_SIZE);
+            edit->force &= (0xFFF - REDRAW_CHAR_ONLY);
+        }
+        else
+            edit_right_char_move_cmd (edit);
+        break;
+    case CK_TopOnScreen:
+    case CK_MarkToPageBegin:
+        edit_begin_page (edit);
+        break;
+    case CK_BottomOnScreen:
+    case CK_MarkToPageEnd:
+        edit_end_page (edit);
+        break;
+    case CK_WordLeft:
+    case CK_MarkToWordBegin:
+        edit->over_col = 0;
+        edit_left_word_move_cmd (edit);
+        break;
+    case CK_WordRight:
+    case CK_MarkToWordEnd:
+        edit->over_col = 0;
+        edit_right_word_move_cmd (edit);
+        break;
+    case CK_MarkColumnUp:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_Up:
+    case CK_MarkUp:
+        edit_move_up (edit, 1, FALSE);
+        break;
+    case CK_MarkColumnDown:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_Down:
+    case CK_MarkDown:
+        edit_move_down (edit, 1, FALSE);
+        break;
+    case CK_MarkColumnParagraphUp:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_ParagraphUp:
+    case CK_MarkParagraphUp:
+        edit_move_up_paragraph (edit, FALSE);
+        break;
+    case CK_MarkColumnParagraphDown:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_ParagraphDown:
+    case CK_MarkParagraphDown:
+        edit_move_down_paragraph (edit, FALSE);
+        break;
+    case CK_MarkColumnScrollUp:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_ScrollUp:
+    case CK_MarkScrollUp:
+        edit_move_up (edit, 1, TRUE);
+        break;
+    case CK_MarkColumnScrollDown:
+        edit->column_highlight = 1;
+        MC_FALLTHROUGH;
+    case CK_ScrollDown:
+    case CK_MarkScrollDown:
+        edit_move_down (edit, 1, TRUE);
+        break;
+    case CK_Home:
+    case CK_MarkToHome:
+        edit_cursor_to_bol (edit);
+        break;
+    case CK_End:
+    case CK_MarkToEnd:
+        edit_cursor_to_eol (edit);
+        break;
+    case CK_Tab:
+        /* if text marked shift block */
+        if (edit->mark1 != edit->mark2 && !edit_options.persistent_selections)
+        {
+            if (edit->mark2 < 0)
+                edit_mark_cmd (edit, FALSE);
+            edit_move_block_to_right (edit);
+        }
+        else
+        {
+            if (edit_options.cursor_beyond_eol)
+                edit_insert_over (edit);
+            edit_tab_cmd (edit);
+            if (edit_options.auto_para_formatting)
+            {
+                format_paragraph (edit, FALSE);
+                edit->force |= REDRAW_PAGE;
+            }
+            else
+                check_and_wrap_line (edit);
+        }
+        break;
+
+    case CK_InsertOverwrite:
+        edit->overwrite = !edit->overwrite;
+        break;
+
+    case CK_Mark:
+        if (edit->mark2 >= 0)
+        {
+            if (edit->column_highlight)
+                edit_push_undo_action (edit, COLUMN_ON);
+            edit->column_highlight = 0;
+        }
+        edit_mark_cmd (edit, FALSE);
+        break;
+    case CK_MarkColumn:
+        if (!edit->column_highlight)
+            edit_push_undo_action (edit, COLUMN_OFF);
+        edit->column_highlight = 1;
+        edit_mark_cmd (edit, FALSE);
+        break;
+    case CK_MarkAll:
+        edit_set_markers (edit, 0, edit->buffer.size, 0, 0);
+        edit->force |= REDRAW_PAGE;
+        break;
+    case CK_Unmark:
+        if (edit->column_highlight)
+            edit_push_undo_action (edit, COLUMN_ON);
+        edit->column_highlight = 0;
+        edit_mark_cmd (edit, TRUE);
+        break;
+    case CK_MarkWord:
+        if (edit->column_highlight)
+            edit_push_undo_action (edit, COLUMN_ON);
+        edit->column_highlight = 0;
+        edit_mark_current_word_cmd (edit);
+        break;
+    case CK_MarkLine:
+        if (edit->column_highlight)
+            edit_push_undo_action (edit, COLUMN_ON);
+        edit->column_highlight = 0;
+        edit_mark_current_line_cmd (edit);
+        break;
+
+    case CK_Bookmark:
+        book_mark_clear (edit, edit->buffer.curs_line, BOOK_MARK_FOUND_COLOR);
+        if (book_mark_query_color (edit, edit->buffer.curs_line, BOOK_MARK_COLOR))
+            book_mark_clear (edit, edit->buffer.curs_line, BOOK_MARK_COLOR);
+        else
+            book_mark_insert (edit, edit->buffer.curs_line, BOOK_MARK_COLOR);
+        break;
+    case CK_BookmarkFlush:
+        book_mark_flush (edit, BOOK_MARK_COLOR);
+        book_mark_flush (edit, BOOK_MARK_FOUND_COLOR);
+        edit->force |= REDRAW_PAGE;
+        break;
+    case CK_BookmarkNext:
+        if (edit->book_mark != NULL)
+        {
+            edit_book_mark_t *p;
+
+            p = book_mark_find (edit, edit->buffer.curs_line);
+            if (p->next != NULL)
+            {
+                p = p->next;
+                if (p->line >= edit->start_line + w->lines || p->line < edit->start_line)
+                    edit_move_display (edit, p->line - w->lines / 2);
+                edit_move_to_line (edit, p->line);
+            }
+        }
+        break;
+    case CK_BookmarkPrev:
+        if (edit->book_mark != NULL)
+        {
+            edit_book_mark_t *p;
+
+            p = book_mark_find (edit, edit->buffer.curs_line);
+            while (p->line == edit->buffer.curs_line)
+                if (p->prev != NULL)
+                    p = p->prev;
+            if (p->line >= 0)
+            {
+                if (p->line >= edit->start_line + w->lines || p->line < edit->start_line)
+                    edit_move_display (edit, p->line - w->lines / 2);
+                edit_move_to_line (edit, p->line);
+            }
+        }
+        break;
+
+    case CK_Top:
+    case CK_MarkToFileBegin:
+        edit_move_to_top (edit);
+        break;
+    case CK_Bottom:
+    case CK_MarkToFileEnd:
+        edit_move_to_bottom (edit);
+        break;
+
+    case CK_Copy:
+        if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit_insert_over (edit);
+        edit_block_copy_cmd (edit);
+        break;
+    case CK_Remove:
+        edit_block_delete_cmd (edit);
+        break;
+    case CK_Move:
+        edit_block_move_cmd (edit);
+        break;
+
+    case CK_BlockShiftLeft:
+        if (edit->mark1 != edit->mark2)
+            edit_move_block_to_left (edit);
+        break;
+    case CK_BlockShiftRight:
+        if (edit->mark1 != edit->mark2)
+            edit_move_block_to_right (edit);
+        break;
+    case CK_Store:
+        edit_copy_to_X_buf_cmd (edit);
+        break;
+    case CK_Cut:
+        edit_cut_to_X_buf_cmd (edit);
+        break;
+    case CK_Paste:
+        /* if non persistent selection and text selected */
+        if (!edit_options.persistent_selections && edit->mark1 != edit->mark2)
+            edit_block_delete_cmd (edit);
+        if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit_insert_over (edit);
+        edit_paste_from_X_buf_cmd (edit);
+        if (!edit_options.persistent_selections && edit->mark2 >= 0)
+        {
+            if (edit->column_highlight)
+                edit_push_undo_action (edit, COLUMN_ON);
+            edit->column_highlight = 0;
+            edit_mark_cmd (edit, TRUE);
+        }
+        break;
+    case CK_History:
+        edit_paste_from_history (edit);
+        break;
+
+    case CK_SaveAs:
+        edit_save_as_cmd (edit);
+        break;
+    case CK_Save:
+        edit_save_confirm_cmd (edit);
+        break;
+    case CK_BlockSave:
+        edit_save_block_cmd (edit);
+        break;
+    case CK_InsertFile:
+        edit_insert_file_cmd (edit);
+        break;
+
+    case CK_FilePrev:
+        edit_load_back_cmd (edit);
+        break;
+    case CK_FileNext:
+        edit_load_forward_cmd (edit);
+        break;
+
+    case CK_SyntaxChoose:
+        edit_syntax_dialog (edit);
+        break;
+
+    case CK_Search:
+        edit_search_cmd (edit, FALSE);
+        break;
+    case CK_SearchContinue:
+        edit_search_cmd (edit, TRUE);
+        break;
+    case CK_Replace:
+        edit_replace_cmd (edit, FALSE);
+        break;
+    case CK_ReplaceContinue:
+        edit_replace_cmd (edit, TRUE);
+        break;
+    case CK_Complete:
+        /* if text marked shift block */
+        if (edit->mark1 != edit->mark2 && !edit_options.persistent_selections)
+            edit_move_block_to_left (edit);
+        else
+            edit_complete_word_cmd (edit);
+        break;
+    case CK_Find:
+        edit_get_match_keyword_cmd (edit);
+        break;
+
+#ifdef HAVE_ASPELL
+    case CK_SpellCheckCurrentWord:
+        edit_suggest_current_word (edit);
+        break;
+    case CK_SpellCheck:
+        edit_spellcheck_file (edit);
+        break;
+    case CK_SpellCheckSelectLang:
+        edit_set_spell_lang ();
+        break;
+#endif
+
+    case CK_Date:
+        {
+            char s[BUF_MEDIUM];
+            /* fool gcc to prevent a Y2K warning */
+            char time_format[] = "_c";
+            time_format[0] = '%';
+
+            FMT_LOCALTIME_CURRENT (s, sizeof (s), time_format);
+            edit_print_string (edit, s);
+            edit->force |= REDRAW_PAGE;
+        }
+        break;
+    case CK_Goto:
+        edit_goto_cmd (edit);
+        break;
+    case CK_ParagraphFormat:
+        format_paragraph (edit, TRUE);
+        edit->force |= REDRAW_PAGE;
+        break;
+    case CK_MacroDelete:
+        edit_delete_macro_cmd (edit);
+        break;
+    case CK_MatchBracket:
+        edit_goto_matching_bracket (edit);
+        break;
+    case CK_UserMenu:
+        user_menu (edit, NULL, -1);
+        break;
+    case CK_Sort:
+        edit_sort_cmd (edit);
+        break;
+    case CK_ExternalCommand:
+        edit_ext_cmd (edit);
+        break;
+    case CK_EditMail:
+        edit_mail_dialog (edit);
+        break;
+#ifdef HAVE_CHARSET
+    case CK_SelectCodepage:
+        edit_select_codepage_cmd (edit);
+        break;
+#endif
+    case CK_InsertLiteral:
+        edit_insert_literal_cmd (edit);
+        break;
+    case CK_MacroStartStopRecord:
+        edit_begin_end_macro_cmd (edit);
+        break;
+    case CK_RepeatStartStopRecord:
+        edit_begin_end_repeat_cmd (edit);
+        break;
+    case CK_ExtendedKeyMap:
+        WIDGET (edit)->ext_mode = TRUE;
+        break;
+    default:
+        break;
+    }
+
+    /* CK_PipeBlock */
+    if ((command / CK_PipeBlock (0)) == 1)
+        edit_block_process_cmd (edit, command - CK_PipeBlock (0));
+
+    /* keys which must set the col position, and the search vars */
+    switch (command)
+    {
+    case CK_Search:
+    case CK_SearchContinue:
+    case CK_Replace:
+    case CK_ReplaceContinue:
+    case CK_Complete:
+        edit->prev_col = edit_get_col (edit);
+        break;
+    case CK_Up:
+    case CK_MarkUp:
+    case CK_MarkColumnUp:
+    case CK_Down:
+    case CK_MarkDown:
+    case CK_MarkColumnDown:
+    case CK_PageUp:
+    case CK_MarkPageUp:
+    case CK_MarkColumnPageUp:
+    case CK_PageDown:
+    case CK_MarkPageDown:
+    case CK_MarkColumnPageDown:
+    case CK_Top:
+    case CK_MarkToFileBegin:
+    case CK_Bottom:
+    case CK_MarkToFileEnd:
+    case CK_ParagraphUp:
+    case CK_MarkParagraphUp:
+    case CK_MarkColumnParagraphUp:
+    case CK_ParagraphDown:
+    case CK_MarkParagraphDown:
+    case CK_MarkColumnParagraphDown:
+    case CK_ScrollUp:
+    case CK_MarkScrollUp:
+    case CK_MarkColumnScrollUp:
+    case CK_ScrollDown:
+    case CK_MarkScrollDown:
+    case CK_MarkColumnScrollDown:
+        edit->search_start = edit->buffer.curs1;
+        edit->found_len = 0;
+        break;
+    default:
+        edit->found_len = 0;
+        edit->prev_col = edit_get_col (edit);
+        edit->search_start = edit->buffer.curs1;
+    }
+    edit_find_bracket (edit);
+
+    if (edit_options.auto_para_formatting)
+    {
+        switch (command)
+        {
+        case CK_BackSpace:
+        case CK_Delete:
+        case CK_DeleteToWordBegin:
+        case CK_DeleteToWordEnd:
+        case CK_DeleteToHome:
+        case CK_DeleteToEnd:
+            format_paragraph (edit, FALSE);
+            edit->force |= REDRAW_PAGE;
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_stack_init (void)
+{
+    for (edit_stack_iterator = 0; edit_stack_iterator < MAX_HISTORY_MOVETO; edit_stack_iterator++)
+    {
+        edit_history_moveto[edit_stack_iterator].filename_vpath = NULL;
+        edit_history_moveto[edit_stack_iterator].line = -1;
+    }
+
+    edit_stack_iterator = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_stack_free (void)
+{
+    for (edit_stack_iterator = 0; edit_stack_iterator < MAX_HISTORY_MOVETO; edit_stack_iterator++)
+        vfs_path_free (edit_history_moveto[edit_stack_iterator].filename_vpath, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** move i lines */
+
+void
+edit_move_up (WEdit * edit, long i, gboolean do_scroll)
+{
+    edit_move_updown (edit, i, do_scroll, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** move i lines */
+
+void
+edit_move_down (WEdit * edit, long i, gboolean do_scroll)
+{
+    edit_move_updown (edit, i, do_scroll, FALSE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/edit.h b/src/editor/edit.h
new file mode 100644
index 0000000..358aa3f
--- /dev/null
+++ b/src/editor/edit.h
@@ -0,0 +1,84 @@
+/*
+   Editor public API
+ */
+
+/** \file edit.h
+ *  \brief Header: editor public API
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ *  \author Andrew Borodin
+ *  \date 2009, 2012
+ */
+
+#ifndef MC__EDIT_H
+#define MC__EDIT_H
+
+#include "lib/global.h"         /* PATH_SEP_STR */
+#include "lib/vfs/vfs.h"        /* vfs_path_t */
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define DEFAULT_WRAP_LINE_LENGTH 72
+
+#define EDIT(x) ((WEdit *)(x))
+#define CONST_EDIT(x) ((const WEdit *)(x))
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/* Editor widget */
+struct WEdit;
+typedef struct WEdit WEdit;
+
+typedef struct
+{
+    int word_wrap_line_length;
+    gboolean typewriter_wrap;
+    gboolean auto_para_formatting;
+    gboolean fill_tabs_with_spaces;
+    gboolean return_does_auto_indent;
+    gboolean backspace_through_tabs;
+    gboolean fake_half_tabs;
+    gboolean persistent_selections;
+    gboolean drop_selection_on_copy;    /* whether we need to drop selection on copy to buffer */
+    gboolean cursor_beyond_eol;
+    gboolean cursor_after_inserted_block;
+    gboolean state_full_filename;
+    gboolean line_state;
+    int line_state_width;
+    int save_mode;
+    gboolean confirm_save;      /* queries on a save */
+    gboolean save_position;
+    gboolean syntax_highlighting;
+    gboolean group_undo;
+    char *backup_ext;
+    char *filesize_threshold;
+    char *stop_format_chars;
+    gboolean visible_tabs;
+    gboolean visible_tws;
+    gboolean show_right_margin;
+    gboolean simple_statusbar;  /* statusbar draw style */
+    gboolean check_nl_at_eof;
+} edit_options_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern edit_options_t edit_options;
+
+/*** declarations of public functions ************************************************************/
+
+/* used in main() */
+void edit_stack_init (void);
+void edit_stack_free (void);
+
+gboolean edit_file (const vfs_path_t * file_vpath, long line);
+gboolean edit_files (const GList * files);
+
+const char *edit_get_file_name (const WEdit * edit);
+off_t edit_get_cursor_offset (const WEdit * edit);
+long edit_get_curs_col (const WEdit * edit);
+const char *edit_get_syntax_type (const WEdit * edit);
+
+/*** inline functions ****************************************************************************/
+#endif /* MC__EDIT_H */
diff --git a/src/editor/editbuffer.c b/src/editor/editbuffer.c
new file mode 100644
index 0000000..24bc7ee
--- /dev/null
+++ b/src/editor/editbuffer.c
@@ -0,0 +1,900 @@
+/*
+   Editor text keep buffer.
+
+   Copyright (C) 2013-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   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/>.
+ */
+
+/** \file
+ *  \brief Source: editor text keep buffer.
+ *  \author Andrew Borodin
+ *  \date 2013
+ */
+
+#include <config.h>
+
+#include <ctype.h>              /* isdigit() */
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "lib/global.h"
+
+#include "lib/vfs/vfs.h"
+
+#include "edit-impl.h"
+#include "editbuffer.h"
+
+/* --------------------------------------------------------------------------------------------- */
+/*-
+ *
+ * here's a quick sketch of the layout: (don't run this through indent.)
+ *
+ *                                       |
+ * \0\0\0\0\0m e _ f i l e . \nf i n . \n|T h i s _ i s _ s o\0\0\0\0\0\0\0\0\0
+ * ______________________________________|______________________________________
+ *                                       |
+ * ...  |  b2[2]   |  b2[1]   |  b2[0]   |  b1[0]   |  b1[1]   |  b1[2]   | ...
+ *      |->        |->        |->        |->        |->        |->        |
+ *                                       |
+ *           _<------------------------->|<----------------->_
+ *                       curs2           |       curs1
+ *           ^                           |                   ^
+ *           |                          ^|^                  |
+ *         cursor                       |||                cursor
+ *                                      |||
+ *                              file end|||file beginning
+ *                                       |
+ *                                       |
+ *
+ *           _
+ * This_is_some_file
+ * fin.
+ *
+ *
+ * This is called a "gap buffer".
+ * See also:
+ * http://en.wikipedia.org/wiki/Gap_buffer
+ * http://stackoverflow.com/questions/4199694/data-structure-for-text-editor
+ */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*
+ * The editor keeps data in two arrays of buffers.
+ * All buffers have the same size, which must be a power of 2.
+ */
+
+/* Configurable: log2 of the buffer size in bytes */
+#ifndef S_EDIT_BUF_SIZE
+#define S_EDIT_BUF_SIZE 16
+#endif
+
+/* Size of the buffer */
+#define EDIT_BUF_SIZE (((off_t) 1) << S_EDIT_BUF_SIZE)
+
+/* Buffer mask (used to find cursor position relative to the buffer) */
+#define M_EDIT_BUF_SIZE (EDIT_BUF_SIZE - 1)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Get pointer to byte at specified index
+  *
+  * @param buf pointer to editor buffer
+  * @param byte_index byte index
+  *
+  * @return NULL if byte_index is negative or larger than file size; pointer to byte otherwise.
+  */
+static char *
+edit_buffer_get_byte_ptr (const edit_buffer_t * buf, off_t byte_index)
+{
+    void *b;
+
+    if (byte_index >= (buf->curs1 + buf->curs2) || byte_index < 0)
+        return NULL;
+
+    if (byte_index >= buf->curs1)
+    {
+        off_t p;
+
+        p = buf->curs1 + buf->curs2 - byte_index - 1;
+        b = g_ptr_array_index (buf->b2, p >> S_EDIT_BUF_SIZE);
+        return (char *) b + EDIT_BUF_SIZE - 1 - (p & M_EDIT_BUF_SIZE);
+    }
+
+    b = g_ptr_array_index (buf->b1, byte_index >> S_EDIT_BUF_SIZE);
+    return (char *) b + (byte_index & M_EDIT_BUF_SIZE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Initialize editor buffers.
+ *
+ * @param buf pointer to editor buffer
+ */
+
+void
+edit_buffer_init (edit_buffer_t * buf, off_t size)
+{
+    buf->b1 = g_ptr_array_new_full (32, g_free);
+    buf->b2 = g_ptr_array_new_full (32, g_free);
+
+    buf->curs1 = 0;
+    buf->curs2 = 0;
+
+    buf->size = size;
+    buf->lines = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Clean editor buffers.
+ *
+ * @param buf pointer to editor buffer
+ */
+
+void
+edit_buffer_clean (edit_buffer_t * buf)
+{
+    if (buf->b1 != NULL)
+        g_ptr_array_free (buf->b1, TRUE);
+
+    if (buf->b2 != NULL)
+        g_ptr_array_free (buf->b2, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Get byte at specified index
+  *
+  * @param buf pointer to editor buffer
+  * @param byte_index byte index
+  *
+  * @return '\n' if byte_index is negative or larger than file size; byte at byte_index otherwise.
+  */
+
+int
+edit_buffer_get_byte (const edit_buffer_t * buf, off_t byte_index)
+{
+    char *p;
+
+    p = edit_buffer_get_byte_ptr (buf, byte_index);
+
+    return (p != NULL) ? *(unsigned char *) p : '\n';
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_CHARSET
+/**
+  * Get utf-8 symbol at specified index
+  *
+  * @param buf pointer to editor buffer
+  * @param byte_index byte index
+  * @param char_length length of returned symbol
+  *
+  * @return '\n' if byte_index is negative or larger than file size;
+  *         0 if utf-8 symbol at specified index is invalid;
+  *         utf-8 symbol otherwise
+  */
+
+int
+edit_buffer_get_utf (const edit_buffer_t * buf, off_t byte_index, int *char_length)
+{
+    gchar *str = NULL;
+    gunichar res;
+    gunichar ch;
+    gchar *next_ch = NULL;
+
+    if (byte_index >= (buf->curs1 + buf->curs2) || byte_index < 0)
+    {
+        *char_length = 0;
+        return '\n';
+    }
+
+    str = edit_buffer_get_byte_ptr (buf, byte_index);
+    if (str == NULL)
+    {
+        *char_length = 0;
+        return 0;
+    }
+
+    res = g_utf8_get_char_validated (str, -1);
+    if (res == (gunichar) (-2) || res == (gunichar) (-1))
+    {
+        /* Retry with explicit bytes to make sure it's not a buffer boundary */
+        size_t i;
+        gchar utf8_buf[UTF8_CHAR_LEN + 1];
+
+        for (i = 0; i < UTF8_CHAR_LEN; i++)
+            utf8_buf[i] = edit_buffer_get_byte (buf, byte_index + i);
+        utf8_buf[i] = '\0';
+        res = g_utf8_get_char_validated (utf8_buf, -1);
+    }
+
+    if (res == (gunichar) (-2) || res == (gunichar) (-1))
+    {
+        ch = *str;
+        *char_length = 0;
+    }
+    else
+    {
+        ch = res;
+        /* Calculate UTF-8 char length */
+        next_ch = g_utf8_next_char (str);
+        *char_length = next_ch - str;
+    }
+
+    return (int) ch;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Get utf-8 symbol before specified index
+  *
+  * @param buf pointer to editor buffer
+  * @param byte_index byte index
+  * @param char_length length of returned symbol
+  *
+  * @return 0 if byte_index is negative or larger than file size;
+  *         1-byte value before specified index if utf-8 symbol before specified index is invalid;
+  *         utf-8 symbol otherwise
+  */
+
+int
+edit_buffer_get_prev_utf (const edit_buffer_t * buf, off_t byte_index, int *char_length)
+{
+    size_t i;
+    gchar utf8_buf[3 * UTF8_CHAR_LEN + 1];
+    gchar *str;
+    gchar *cursor_buf_ptr;
+    gunichar res;
+
+    if (byte_index > (buf->curs1 + buf->curs2) || byte_index <= 0)
+    {
+        *char_length = 0;
+        return 0;
+    }
+
+    for (i = 0; i < (3 * UTF8_CHAR_LEN); i++)
+        utf8_buf[i] = edit_buffer_get_byte (buf, byte_index + i - (2 * UTF8_CHAR_LEN));
+    utf8_buf[i] = '\0';
+
+    cursor_buf_ptr = utf8_buf + (2 * UTF8_CHAR_LEN);
+    str = g_utf8_find_prev_char (utf8_buf, cursor_buf_ptr);
+
+    if (str == NULL || g_utf8_next_char (str) != cursor_buf_ptr)
+    {
+        *char_length = 1;
+        return *(cursor_buf_ptr - 1);
+    }
+
+    res = g_utf8_get_char_validated (str, -1);
+    if (res == (gunichar) (-2) || res == (gunichar) (-1))
+    {
+        *char_length = 1;
+        return *(cursor_buf_ptr - 1);
+    }
+
+    *char_length = cursor_buf_ptr - str;
+    return (int) res;
+}
+#endif /* HAVE_CHARSET */
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Count lines in editor buffer.
+ *
+ * @param buf editor buffer
+ * @param first start byte offset
+ * @param last finish byte offset
+ *
+ * @return line numbers between "first" and "last" bytes
+ */
+
+long
+edit_buffer_count_lines (const edit_buffer_t * buf, off_t first, off_t last)
+{
+    long lines = 0;
+
+    first = MAX (first, 0);
+    last = MIN (last, buf->size);
+
+    while (first < last)
+        if (edit_buffer_get_byte (buf, first++) == '\n')
+            lines++;
+
+    return lines;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get "begin-of-line" offset of line contained specified byte offset
+ *
+ * @param buf editor buffer
+ * @param current byte offset
+ *
+ * @return index of first char of line
+ */
+
+off_t
+edit_buffer_get_bol (const edit_buffer_t * buf, off_t current)
+{
+    if (current <= 0)
+        return 0;
+
+    for (; edit_buffer_get_byte (buf, current - 1) != '\n'; current--)
+        ;
+
+    return current;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get "end-of-line" offset of line contained specified byte offset
+ *
+ * @param buf editor buffer
+ * @param current byte offset
+ *
+ * @return index of last char of line + 1
+ */
+
+off_t
+edit_buffer_get_eol (const edit_buffer_t * buf, off_t current)
+{
+    if (current >= buf->size)
+        return buf->size;
+
+    for (; edit_buffer_get_byte (buf, current) != '\n'; current++)
+        ;
+
+    return current;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get word from specified offset.
+ *
+ * @param buf editor buffer
+ * @param current start_pos offset
+ * @param start actual start word ofset
+ * @param cut 
+ *
+ * @return word as newly allocated object
+ */
+
+GString *
+edit_buffer_get_word_from_pos (const edit_buffer_t * buf, off_t start_pos, off_t * start,
+                               gsize * cut)
+{
+    off_t word_start;
+    gsize cut_len = 0;
+    GString *match_expr;
+    int c1, c2;
+
+    for (word_start = start_pos; word_start != 0; word_start--, cut_len++)
+    {
+        c1 = edit_buffer_get_byte (buf, word_start);
+        c2 = edit_buffer_get_byte (buf, word_start - 1);
+
+        if (is_break_char (c1) != is_break_char (c2) || c1 == '\n' || c2 == '\n')
+            break;
+    }
+
+    match_expr = g_string_sized_new (16);
+
+    do
+    {
+        c1 = edit_buffer_get_byte (buf, word_start + match_expr->len);
+        c2 = edit_buffer_get_byte (buf, word_start + match_expr->len + 1);
+        g_string_append_c (match_expr, c1);
+    }
+    while (!(is_break_char (c1) != is_break_char (c2) || c1 == '\n' || c2 == '\n'));
+
+    *start = word_start;
+    *cut = cut_len;
+
+    return match_expr;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Find first character of current word
+ *
+ * @param buf editor buffer
+ * @param word_start position of first character of current word
+ * @param word_len length of current word
+ *
+ * @return TRUE if first character of word is found and this character is not 1) a digit and
+ *         2) a begin of file, FALSE otherwise
+ */
+
+gboolean
+edit_buffer_find_word_start (const edit_buffer_t * buf, off_t * word_start, gsize * word_len)
+{
+    int c;
+    off_t i;
+
+    /* return if at begin of file */
+    if (buf->curs1 <= 0)
+        return FALSE;
+
+    c = edit_buffer_get_previous_byte (buf);
+    /* return if not at end or in word */
+    if (is_break_char (c))
+        return FALSE;
+
+    /* search start of word */
+    for (i = 1;; i++)
+    {
+        int last;
+
+        last = c;
+        c = edit_buffer_get_byte (buf, buf->curs1 - i - 1);
+
+        if (is_break_char (c))
+        {
+            /* return if word starts with digit */
+            if (isdigit (last))
+                return FALSE;
+
+            break;
+        }
+    }
+
+    /* success */
+    *word_start = buf->curs1 - i;       /* start found */
+    *word_len = (gsize) i;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Basic low level single character buffer alterations and movements at the cursor: insert character
+ * at the cursor position and move right.
+ *
+ * @param buf pointer to editor buffer
+ * @param c character to insert
+ */
+
+void
+edit_buffer_insert (edit_buffer_t * buf, int c)
+{
+    void *b;
+    off_t i;
+
+    i = buf->curs1 & M_EDIT_BUF_SIZE;
+
+    /* add a new buffer if we've reached the end of the last one */
+    if (i == 0)
+        g_ptr_array_add (buf->b1, g_malloc0 (EDIT_BUF_SIZE));
+
+    /* perform the insertion */
+    b = g_ptr_array_index (buf->b1, buf->curs1 >> S_EDIT_BUF_SIZE);
+    *((unsigned char *) b + i) = (unsigned char) c;
+
+    /* update cursor position */
+    buf->curs1++;
+
+    /* update file length */
+    buf->size++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Basic low level single character buffer alterations and movements at the cursor: insert character
+ * at the cursor position and move left.
+ *
+ * @param buf pointer to editor buffer
+ * @param c character to insert
+ */
+
+void
+edit_buffer_insert_ahead (edit_buffer_t * buf, int c)
+{
+    void *b;
+    off_t i;
+
+    i = buf->curs2 & M_EDIT_BUF_SIZE;
+
+    /* add a new buffer if we've reached the end of the last one */
+    if (i == 0)
+        g_ptr_array_add (buf->b2, g_malloc0 (EDIT_BUF_SIZE));
+
+    /* perform the insertion */
+    b = g_ptr_array_index (buf->b2, buf->curs2 >> S_EDIT_BUF_SIZE);
+    *((unsigned char *) b + EDIT_BUF_SIZE - 1 - i) = (unsigned char) c;
+
+    /* update cursor position */
+    buf->curs2++;
+
+    /* update file length */
+    buf->size++;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Basic low level single character buffer alterations and movements at the cursor: delete character
+ * at the cursor position.
+ *
+ * @param buf pointer to editor buffer
+ * @param c character to insert
+ */
+
+int
+edit_buffer_delete (edit_buffer_t * buf)
+{
+    void *b;
+    unsigned char c;
+    off_t prev;
+    off_t i;
+
+    prev = buf->curs2 - 1;
+
+    b = g_ptr_array_index (buf->b2, prev >> S_EDIT_BUF_SIZE);
+    i = prev & M_EDIT_BUF_SIZE;
+    c = *((unsigned char *) b + EDIT_BUF_SIZE - 1 - i);
+
+    if (i == 0)
+    {
+        guint j;
+
+        j = buf->b2->len - 1;
+        b = g_ptr_array_index (buf->b2, j);
+        g_ptr_array_remove_index (buf->b2, j);
+    }
+
+    buf->curs2 = prev;
+
+    /* update file length */
+    buf->size--;
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Basic low level single character buffer alterations and movements at the cursor: delete character
+ * before the cursor position and move left.
+ *
+ * @param buf pointer to editor buffer
+ * @param c character to insert
+ */
+
+int
+edit_buffer_backspace (edit_buffer_t * buf)
+{
+    void *b;
+    unsigned char c;
+    off_t prev;
+    off_t i;
+
+    prev = buf->curs1 - 1;
+
+    b = g_ptr_array_index (buf->b1, prev >> S_EDIT_BUF_SIZE);
+    i = prev & M_EDIT_BUF_SIZE;
+    c = *((unsigned char *) b + i);
+
+    if (i == 0)
+    {
+        guint j;
+
+        j = buf->b1->len - 1;
+        b = g_ptr_array_index (buf->b1, j);
+        g_ptr_array_remove_index (buf->b1, j);
+    }
+
+    buf->curs1 = prev;
+
+    /* update file length */
+    buf->size--;
+
+    return c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculate forward offset with specified number of lines.
+ *
+ * @param buf editor buffer
+ * @param current current offset
+ * @param lines number of lines to move forward
+ * @param upto offset to count lines between current and upto.
+ *
+ * @return If lines is zero returns the count of lines from current to upto.
+ *         If upto is zero returns offset of lines forward current.
+ *         Else returns forward offset with specified number of lines
+ */
+
+off_t
+edit_buffer_get_forward_offset (const edit_buffer_t * buf, off_t current, long lines, off_t upto)
+{
+    if (upto != 0)
+        return (off_t) edit_buffer_count_lines (buf, current, upto);
+
+    lines = MAX (lines, 0);
+
+    while (lines-- != 0)
+    {
+        long next;
+
+        next = edit_buffer_get_eol (buf, current) + 1;
+        if (next > buf->size)
+            break;
+        current = next;
+    }
+
+    return current;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculate backward offset with specified number of lines.
+ *
+ * @param buf editor buffer
+ * @param current current offset
+ * @param lines number of lines to move backward
+ *
+ * @return backward offset with specified number of lines.
+ */
+
+off_t
+edit_buffer_get_backward_offset (const edit_buffer_t * buf, off_t current, long lines)
+{
+    lines = MAX (lines, 0);
+    current = edit_buffer_get_bol (buf, current);
+
+    while (lines-- != 0 && current != 0)
+        current = edit_buffer_get_bol (buf, current - 1);
+
+    return current;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Load file into editor buffer
+ *
+ * @param buf pointer to editor buffer
+ * @param fd file descriptor
+ * @param size file size
+ *
+ * @return number of read bytes
+ */
+
+off_t
+edit_buffer_read_file (edit_buffer_t * buf, int fd, off_t size,
+                       edit_buffer_read_file_status_msg_t * sm, gboolean * aborted)
+{
+    off_t ret = 0;
+    off_t i, j;
+    off_t data_size;
+    void *b;
+    status_msg_t *s = STATUS_MSG (sm);
+    unsigned short update_cnt = 0;
+
+    *aborted = FALSE;
+
+    buf->lines = 0;
+    buf->curs2 = size;
+    i = buf->curs2 >> S_EDIT_BUF_SIZE;
+
+    /* fill last part of b2 */
+    data_size = buf->curs2 & M_EDIT_BUF_SIZE;
+    if (data_size != 0)
+    {
+        b = g_malloc0 (EDIT_BUF_SIZE);
+        g_ptr_array_add (buf->b2, b);
+        b = (char *) b + EDIT_BUF_SIZE - data_size;
+        ret = mc_read (fd, b, data_size);
+
+        /* count lines */
+        for (j = 0; j < ret; j++)
+            if (*((char *) b + j) == '\n')
+                buf->lines++;
+
+        if (ret < 0 || ret != data_size)
+            return ret;
+    }
+
+    /* fulfill other parts of b2 from end to begin */
+    data_size = EDIT_BUF_SIZE;
+    for (--i; i >= 0; i--)
+    {
+        off_t sz;
+
+        b = g_malloc0 (data_size);
+        g_ptr_array_add (buf->b2, b);
+        sz = mc_read (fd, b, data_size);
+        if (sz >= 0)
+            ret += sz;
+
+        /* count lines */
+        for (j = 0; j < sz; j++)
+            if (*((char *) b + j) == '\n')
+                buf->lines++;
+
+        if (s != NULL && s->update != NULL)
+        {
+            update_cnt = (update_cnt + 1) & 0xf;
+            if (update_cnt == 0)
+            {
+                /* FIXME: overcare */
+                if (sm->buf == NULL)
+                    sm->buf = buf;
+
+                sm->loaded = ret;
+                if (s->update (s) == B_CANCEL)
+                {
+                    *aborted = TRUE;
+                    return (-1);
+                }
+            }
+        }
+
+        if (sz != data_size)
+            break;
+    }
+
+    /* reverse buffer */
+    for (i = 0; i < (off_t) buf->b2->len / 2; i++)
+    {
+        void **b1, **b2;
+
+        b1 = &g_ptr_array_index (buf->b2, i);
+        b2 = &g_ptr_array_index (buf->b2, buf->b2->len - 1 - i);
+
+        b = *b1;
+        *b1 = *b2;
+        *b2 = b;
+
+        if (s != NULL && s->update != NULL)
+        {
+            update_cnt = (update_cnt + 1) & 0xf;
+            if (update_cnt == 0)
+            {
+                sm->loaded = ret;
+                if (s->update (s) == B_CANCEL)
+                {
+                    *aborted = TRUE;
+                    return (-1);
+                }
+            }
+        }
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Write editor buffer content to file
+ *
+ * @param buf pointer to editor buffer
+ * @param fd file descriptor
+ *
+ * @return number of written bytes
+ */
+
+off_t
+edit_buffer_write_file (edit_buffer_t * buf, int fd)
+{
+    off_t ret = 0;
+    off_t i;
+    off_t data_size, sz;
+    void *b;
+
+    /* write all fulfilled parts of b1 from begin to end */
+    if (buf->b1->len != 0)
+    {
+        data_size = EDIT_BUF_SIZE;
+        for (i = 0; i < (off_t) buf->b1->len - 1; i++)
+        {
+            b = g_ptr_array_index (buf->b1, i);
+            sz = mc_write (fd, b, data_size);
+            if (sz >= 0)
+                ret += sz;
+            else if (i == 0)
+                ret = sz;
+            if (sz != data_size)
+                return ret;
+        }
+
+        /* write last partially filled part of b1 */
+        data_size = ((buf->curs1 - 1) & M_EDIT_BUF_SIZE) + 1;
+        b = g_ptr_array_index (buf->b1, i);
+        sz = mc_write (fd, b, data_size);
+        if (sz >= 0)
+            ret += sz;
+        if (sz != data_size)
+            return ret;
+    }
+
+    /* write b2 from end to begin, if b2 contains some data */
+    if (buf->b2->len != 0)
+    {
+        /* write last partially filled part of b2 */
+        i = buf->b2->len - 1;
+        b = g_ptr_array_index (buf->b2, i);
+        data_size = ((buf->curs2 - 1) & M_EDIT_BUF_SIZE) + 1;
+        sz = mc_write (fd, (char *) b + EDIT_BUF_SIZE - data_size, data_size);
+        if (sz >= 0)
+            ret += sz;
+
+        if (sz == data_size)
+        {
+            /* write other fulfilled parts of b2 from end to begin */
+            data_size = EDIT_BUF_SIZE;
+            while (--i >= 0)
+            {
+                b = g_ptr_array_index (buf->b2, i);
+                sz = mc_write (fd, b, data_size);
+                if (sz >= 0)
+                    ret += sz;
+                if (sz != data_size)
+                    break;
+            }
+        }
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculate percentage of specified character offset
+ *
+ * @param buf pointer to editor buffer
+ * @param p character offset
+ *
+ * @return percentage of specified character offset
+ */
+
+int
+edit_buffer_calc_percent (const edit_buffer_t * buf, off_t offset)
+{
+    int percent;
+
+    if (buf->size == 0)
+        percent = 0;
+    else if (offset >= buf->size)
+        percent = 100;
+    else if (offset > (INT_MAX / 100))
+        percent = offset / (buf->size / 100);
+    else
+        percent = offset * 100 / buf->size;
+
+    return percent;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editbuffer.h b/src/editor/editbuffer.h
new file mode 100644
index 0000000..def17ee
--- /dev/null
+++ b/src/editor/editbuffer.h
@@ -0,0 +1,117 @@
+/** \file
+ *  \brief Header: text keep buffer for WEdit
+ */
+
+#ifndef MC__EDIT_BUFFER_H
+#define MC__EDIT_BUFFER_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct edit_buffer_struct
+{
+    off_t curs1;                /* position of the cursor from the beginning of the file. */
+    off_t curs2;                /* position from the end of the file */
+    GPtrArray *b1;              /* all data up to curs1 */
+    GPtrArray *b2;              /* all data from end of file down to curs2 */
+    off_t size;                 /* file size */
+    long lines;                 /* total lines in the file */
+    long curs_line;             /* line number of the cursor. */
+} edit_buffer_t;
+
+typedef struct edit_buffer_read_file_status_msg_struct
+{
+    simple_status_msg_t status_msg;     /* base class */
+
+    gboolean first;
+    edit_buffer_t *buf;
+    off_t loaded;
+} edit_buffer_read_file_status_msg_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void edit_buffer_init (edit_buffer_t * buf, off_t size);
+void edit_buffer_clean (edit_buffer_t * buf);
+
+int edit_buffer_get_byte (const edit_buffer_t * buf, off_t byte_index);
+#ifdef HAVE_CHARSET
+int edit_buffer_get_utf (const edit_buffer_t * buf, off_t byte_index, int *char_length);
+int edit_buffer_get_prev_utf (const edit_buffer_t * buf, off_t byte_index, int *char_length);
+#endif
+long edit_buffer_count_lines (const edit_buffer_t * buf, off_t first, off_t last);
+off_t edit_buffer_get_bol (const edit_buffer_t * buf, off_t current);
+off_t edit_buffer_get_eol (const edit_buffer_t * buf, off_t current);
+GString *edit_buffer_get_word_from_pos (const edit_buffer_t * buf, off_t start_pos, off_t * start,
+                                        gsize * cut);
+gboolean edit_buffer_find_word_start (const edit_buffer_t * buf, off_t * word_start,
+                                      gsize * word_len);
+
+void edit_buffer_insert (edit_buffer_t * buf, int c);
+void edit_buffer_insert_ahead (edit_buffer_t * buf, int c);
+int edit_buffer_delete (edit_buffer_t * buf);
+int edit_buffer_backspace (edit_buffer_t * buf);
+
+off_t edit_buffer_get_forward_offset (const edit_buffer_t * buf, off_t current, long lines,
+                                      off_t upto);
+off_t edit_buffer_get_backward_offset (const edit_buffer_t * buf, off_t current, long lines);
+
+off_t edit_buffer_read_file (edit_buffer_t * buf, int fd, off_t size,
+                             edit_buffer_read_file_status_msg_t * sm, gboolean * aborted);
+off_t edit_buffer_write_file (edit_buffer_t * buf, int fd);
+
+int edit_buffer_calc_percent (const edit_buffer_t * buf, off_t offset);
+
+/*** inline functions ****************************************************************************/
+
+static inline int
+edit_buffer_get_current_byte (const edit_buffer_t * buf)
+{
+    return edit_buffer_get_byte (buf, buf->curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline int
+edit_buffer_get_previous_byte (const edit_buffer_t * buf)
+{
+    return edit_buffer_get_byte (buf, buf->curs1 - 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get "begin-of-line" offset of current line
+ *
+ * @param buf editor buffer
+ *
+ * @return index of first char of current line
+ */
+
+static inline off_t
+edit_buffer_get_current_bol (const edit_buffer_t * buf)
+{
+    return edit_buffer_get_bol (buf, buf->curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get "end-of-line" offset of current line
+ *
+ * @param buf editor buffer
+ *
+ * @return index of first char of current line + 1
+ */
+
+static inline off_t
+edit_buffer_get_current_eol (const edit_buffer_t * buf)
+{
+    return edit_buffer_get_eol (buf, buf->curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#endif /* MC__EDIT_BUFFER_H */
diff --git a/src/editor/editcmd.c b/src/editor/editcmd.c
new file mode 100644
index 0000000..de624f2
--- /dev/null
+++ b/src/editor/editcmd.c
@@ -0,0 +1,2108 @@
+/*
+   Editor high level editing commands
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2012-2022
+   Ilia Maslakov <il.smind@gmail.com>, 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/>.
+ */
+
+/** \file
+ *  \brief Source: editor high level editing commands
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+/* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/key.h"        /* XCTRL */
+#include "lib/strutil.h"        /* utf string functions */
+#include "lib/fileloc.h"
+#include "lib/lock.h"
+#include "lib/util.h"           /* tilde_expand() */
+#include "lib/vfs/vfs.h"
+#include "lib/widget.h"
+#include "lib/event.h"          /* mc_event_raise() */
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "src/history.h"
+#include "src/file_history.h"   /* show_file_history() */
+#ifdef HAVE_CHARSET
+#include "src/selcodepage.h"
+#endif
+#include "src/util.h"           /* check_for_default() */
+
+#include "edit-impl.h"
+#include "editwidget.h"
+#include "editsearch.h"
+#include "etags.h"
+
+/*** global variables ****************************************************************************/
+
+/* search and replace: */
+int search_create_bookmark = FALSE;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define space_width 1
+
+#define TEMP_BUF_LEN 1024
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static unsigned long edit_save_mode_radio_id, edit_save_mode_input_id;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+edit_save_mode_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_CHANGED_FOCUS:
+        if (sender != NULL && sender->id == edit_save_mode_radio_id)
+        {
+            Widget *ww;
+
+            ww = widget_find_by_id (w, edit_save_mode_input_id);
+            widget_disable (ww, RADIO (sender)->sel != 2);
+            return MSG_HANDLED;
+        }
+        return MSG_NOT_HANDLED;
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/*  If 0 (quick save) then  a) create/truncate <filename> file,
+   b) save to <filename>;
+   if 1 (safe save) then   a) save to <tempnam>,
+   b) rename <tempnam> to <filename>;
+   if 2 (do backups) then  a) save to <tempnam>,
+   b) rename <filename> to <filename.backup_ext>,
+   c) rename <tempnam> to <filename>. */
+
+/* returns 0 on error, -1 on abort */
+
+static int
+edit_save_file (WEdit * edit, const vfs_path_t * filename_vpath)
+{
+    char *p;
+    gchar *tmp;
+    off_t filelen = 0;
+    int this_save_mode, rv, fd = -1;
+    vfs_path_t *real_filename_vpath;
+    vfs_path_t *savename_vpath = NULL;
+    const char *start_filename;
+    const vfs_path_element_t *vpath_element;
+    struct stat sb;
+
+    vpath_element = vfs_path_get_by_index (filename_vpath, 0);
+    if (vpath_element == NULL)
+        return 0;
+
+    start_filename = vpath_element->path;
+    if (*start_filename == '\0')
+        return 0;
+
+    if (!IS_PATH_SEP (*start_filename) && edit->dir_vpath != NULL)
+        real_filename_vpath = vfs_path_append_vpath_new (edit->dir_vpath, filename_vpath, NULL);
+    else
+        real_filename_vpath = vfs_path_clone (filename_vpath);
+
+    this_save_mode = edit_options.save_mode;
+    if (this_save_mode != EDIT_QUICK_SAVE)
+    {
+        if (!vfs_file_is_local (real_filename_vpath))
+            /* The file does not exists yet, so no safe save or backup are necessary. */
+            this_save_mode = EDIT_QUICK_SAVE;
+        else
+        {
+            fd = mc_open (real_filename_vpath, O_RDONLY | O_BINARY);
+            if (fd == -1)
+                /* The file does not exists yet, so no safe save or backup are necessary. */
+                this_save_mode = EDIT_QUICK_SAVE;
+        }
+
+        if (fd != -1)
+            mc_close (fd);
+    }
+
+    rv = mc_stat (real_filename_vpath, &sb);
+    if (rv == 0)
+    {
+        if (this_save_mode == EDIT_QUICK_SAVE && !edit->skip_detach_prompt && sb.st_nlink > 1)
+        {
+            rv = edit_query_dialog3 (_("Warning"),
+                                     _("File has hard-links. Detach before saving?"),
+                                     _("&Yes"), _("&No"), _("&Cancel"));
+            switch (rv)
+            {
+            case 0:
+                this_save_mode = EDIT_SAFE_SAVE;
+                MC_FALLTHROUGH;
+            case 1:
+                edit->skip_detach_prompt = 1;
+                break;
+            default:
+                vfs_path_free (real_filename_vpath, TRUE);
+                return -1;
+            }
+        }
+
+        /* Prevent overwriting changes from other editor sessions. */
+        if (edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime)
+        {
+            /* The default action is "Cancel". */
+            query_set_sel (1);
+
+            rv = edit_query_dialog2 (_("Warning"),
+                                     _("The file has been modified in the meantime. Save anyway?"),
+                                     _("&Yes"), _("&Cancel"));
+            if (rv != 0)
+            {
+                vfs_path_free (real_filename_vpath, TRUE);
+                return -1;
+            }
+        }
+    }
+
+    if (this_save_mode == EDIT_QUICK_SAVE)
+        savename_vpath = vfs_path_clone (real_filename_vpath);
+    else
+    {
+        char *savedir, *saveprefix;
+
+        savedir = vfs_path_tokens_get (real_filename_vpath, 0, -1);
+        if (savedir == NULL)
+            savedir = g_strdup (".");
+
+        /* Token-related function never return leading slash, so we need add it manually */
+        saveprefix = mc_build_filename (PATH_SEP_STR, savedir, "cooledit", (char *) NULL);
+        g_free (savedir);
+        fd = mc_mkstemps (&savename_vpath, saveprefix, NULL);
+        g_free (saveprefix);
+        if (savename_vpath == NULL)
+        {
+            vfs_path_free (real_filename_vpath, TRUE);
+            return 0;
+        }
+        /* FIXME:
+         * Close for now because mc_mkstemps use pure open system call
+         * to create temporary file and it needs to be reopened by
+         * VFS-aware mc_open().
+         */
+        close (fd);
+    }
+
+    (void) mc_chown (savename_vpath, edit->stat1.st_uid, edit->stat1.st_gid);
+    (void) mc_chmod (savename_vpath, edit->stat1.st_mode);
+
+    fd = mc_open (savename_vpath, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, edit->stat1.st_mode);
+    if (fd == -1)
+        goto error_save;
+
+    /* pipe save */
+    p = edit_get_write_filter (savename_vpath, real_filename_vpath);
+    if (p != NULL)
+    {
+        FILE *file;
+
+        mc_close (fd);
+        file = (FILE *) popen (p, "w");
+
+        if (file != NULL)
+        {
+            filelen = edit_write_stream (edit, file);
+#if 1
+            pclose (file);
+#else
+            if (pclose (file) != 0)
+            {
+                tmp = g_strdup_printf (_("Error writing to pipe: %s"), p);
+                edit_error_dialog (_("Error"), tmp);
+                g_free (tmp);
+                g_free (p);
+                goto error_save;
+            }
+#endif
+        }
+        else
+        {
+            tmp = g_strdup_printf (_("Cannot open pipe for writing: %s"), p);
+            edit_error_dialog (_("Error"), get_sys_error (tmp));
+            g_free (p);
+            g_free (tmp);
+            goto error_save;
+        }
+        g_free (p);
+    }
+    else if (edit->lb == LB_ASIS)
+    {                           /* do not change line breaks */
+        filelen = edit_buffer_write_file (&edit->buffer, fd);
+
+        if (filelen != edit->buffer.size)
+        {
+            mc_close (fd);
+            goto error_save;
+        }
+
+        if (mc_close (fd) != 0)
+            goto error_save;
+
+        /* Update the file information, especially the mtime. */
+        if (mc_stat (savename_vpath, &edit->stat1) == -1)
+            goto error_save;
+    }
+    else
+    {                           /* change line breaks */
+        FILE *file;
+        const char *savename;
+
+        mc_close (fd);
+
+        savename = vfs_path_get_last_path_str (savename_vpath);
+        file = (FILE *) fopen (savename, "w");
+        if (file != NULL)
+        {
+            filelen = edit_write_stream (edit, file);
+            fclose (file);
+        }
+        else
+        {
+            char *msg;
+
+            msg = g_strdup_printf (_("Cannot open file for writing: %s"), savename);
+            edit_error_dialog (_("Error"), msg);
+            g_free (msg);
+            goto error_save;
+        }
+    }
+
+    if (filelen != edit->buffer.size)
+        goto error_save;
+
+    if (this_save_mode == EDIT_DO_BACKUP)
+    {
+        char *tmp_store_filename;
+        vfs_path_element_t *last_vpath_element;
+        vfs_path_t *tmp_vpath;
+        gboolean ok;
+
+        g_assert (edit_options.backup_ext != NULL);
+
+        /* add backup extension to the path */
+        tmp_vpath = vfs_path_clone (real_filename_vpath);
+        last_vpath_element = (vfs_path_element_t *) vfs_path_get_by_index (tmp_vpath, -1);
+        tmp_store_filename = last_vpath_element->path;
+        last_vpath_element->path =
+            g_strdup_printf ("%s%s", tmp_store_filename, edit_options.backup_ext);
+        g_free (tmp_store_filename);
+
+        ok = (mc_rename (real_filename_vpath, tmp_vpath) != -1);
+        vfs_path_free (tmp_vpath, TRUE);
+        if (!ok)
+            goto error_save;
+    }
+
+    if (this_save_mode != EDIT_QUICK_SAVE && mc_rename (savename_vpath, real_filename_vpath) == -1)
+        goto error_save;
+
+    vfs_path_free (real_filename_vpath, TRUE);
+    vfs_path_free (savename_vpath, TRUE);
+    return 1;
+  error_save:
+    /*  FIXME: Is this safe ?
+     *  if (this_save_mode != EDIT_QUICK_SAVE)
+     *      mc_unlink (savename);
+     */
+    vfs_path_free (real_filename_vpath, TRUE);
+    vfs_path_free (savename_vpath, TRUE);
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+edit_check_newline (const edit_buffer_t * buf)
+{
+    return !(edit_options.check_nl_at_eof && buf->size > 0
+             && edit_buffer_get_byte (buf, buf->size - 1) != '\n'
+             && edit_query_dialog2 (_("Warning"),
+                                    _("The file you are saving does not end with a newline."),
+                                    _("C&ontinue"), _("&Cancel")) != 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static vfs_path_t *
+edit_get_save_file_as (WEdit * edit)
+{
+    static LineBreaks cur_lb = LB_ASIS;
+    char *filename_res;
+    vfs_path_t *ret_vpath = NULL;
+
+    const char *lb_names[LB_NAMES] = {
+        N_("&Do not change"),
+        N_("&Unix format (LF)"),
+        N_("&Windows/DOS format (CR LF)"),
+        N_("&Macintosh format (CR)")
+    };
+
+    quick_widget_t quick_widgets[] = {
+        /* *INDENT-OFF* */
+        QUICK_LABELED_INPUT (N_("Enter file name:"), input_label_above,
+                             vfs_path_as_str (edit->filename_vpath), "save-as",
+                             &filename_res, NULL, FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
+        QUICK_SEPARATOR (TRUE),
+        QUICK_LABEL (N_("Change line breaks to:"), NULL),
+        QUICK_RADIO (LB_NAMES, lb_names, (int *) &cur_lb, NULL),
+        QUICK_BUTTONS_OK_CANCEL,
+        QUICK_END
+        /* *INDENT-ON* */
+    };
+
+    WRect r = { -1, -1, 0, 64 };
+
+    quick_dialog_t qdlg = {
+        r, N_("Save As"), "[Save File As]",
+        quick_widgets, NULL, NULL
+    };
+
+    if (quick_dialog (&qdlg) != B_CANCEL)
+    {
+        char *fname;
+
+        edit->lb = cur_lb;
+        fname = tilde_expand (filename_res);
+        g_free (filename_res);
+        ret_vpath = vfs_path_from_str (fname);
+        g_free (fname);
+    }
+
+    return ret_vpath;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** returns TRUE on success */
+
+static gboolean
+edit_save_cmd (WEdit * edit)
+{
+    int res, save_lock = 0;
+
+    if (!edit->locked && !edit->delete_file)
+        save_lock = lock_file (edit->filename_vpath);
+    res = edit_save_file (edit, edit->filename_vpath);
+
+    /* Maintain modify (not save) lock on failure */
+    if ((res > 0 && edit->locked) || save_lock)
+        edit->locked = unlock_file (edit->filename_vpath);
+
+    /* On failure try 'save as', it does locking on its own */
+    if (res == 0)
+        return edit_save_as_cmd (edit);
+
+    if (res > 0)
+    {
+        edit->delete_file = 0;
+        edit->modified = 0;
+    }
+
+    edit->force |= REDRAW_COMPLETELY;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_delete_column_of_text (WEdit * edit)
+{
+    off_t m1, m2;
+    off_t n;
+    long b, c, d;
+
+    eval_marks (edit, &m1, &m2);
+    n = edit_buffer_get_forward_offset (&edit->buffer, m1, 0, m2) + 1;
+    c = (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, m1), 0, m1);
+    d = (long) edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, m2), 0, m2);
+    b = MAX (MIN (c, d), MIN (edit->column1, edit->column2));
+    c = MAX (c, MAX (edit->column1, edit->column2));
+
+    while (n-- != 0)
+    {
+        off_t r, p, q;
+
+        r = edit_buffer_get_current_bol (&edit->buffer);
+        p = edit_move_forward3 (edit, r, b, 0);
+        q = edit_move_forward3 (edit, r, c, 0);
+        p = MAX (p, m1);
+        q = MIN (q, m2);
+        edit_cursor_move (edit, p - edit->buffer.curs1);
+        /* delete line between margins */
+        for (; q > p; q--)
+            if (edit_buffer_get_current_byte (&edit->buffer) != '\n')
+                edit_delete (edit, TRUE);
+
+        /* move to next line except on the last delete */
+        if (n != 0)
+            edit_cursor_move (edit,
+                              edit_buffer_get_forward_offset (&edit->buffer, edit->buffer.curs1, 1,
+                                                              0) - edit->buffer.curs1);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** if success return 0 */
+
+static int
+edit_block_delete (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+    off_t curs_pos;
+    long curs_line, c1, c2;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return 0;
+
+    if (edit->column_highlight && edit->mark2 < 0)
+        edit_mark_cmd (edit, FALSE);
+
+    /* Warning message with a query to continue or cancel the operation */
+    if ((end_mark - start_mark) > max_undo / 2 &&
+        edit_query_dialog2 (_("Warning"),
+                            ("Block is large, you may not be able to undo this action"),
+                            _("C&ontinue"), _("&Cancel")) != 0)
+        return 1;
+
+    c1 = MIN (edit->column1, edit->column2);
+    c2 = MAX (edit->column1, edit->column2);
+    edit->column1 = c1;
+    edit->column2 = c2;
+
+    edit_push_markers (edit);
+
+    curs_line = edit->buffer.curs_line;
+
+    curs_pos = edit->curs_col + edit->over_col;
+
+    /* move cursor to start of selection */
+    edit_cursor_move (edit, start_mark - edit->buffer.curs1);
+    edit_scroll_screen_over_cursor (edit);
+
+    if (start_mark < end_mark)
+    {
+        if (edit->column_highlight)
+        {
+            off_t line_width;
+
+            if (edit->mark2 < 0)
+                edit_mark_cmd (edit, FALSE);
+            edit_delete_column_of_text (edit);
+            /* move cursor to the saved position */
+            edit_move_to_line (edit, curs_line);
+            /* calculate line width and cursor position before cut */
+            line_width = edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0,
+                                             edit_buffer_get_current_eol (&edit->buffer));
+            if (edit_options.cursor_beyond_eol && curs_pos > line_width)
+                edit->over_col = curs_pos - line_width;
+        }
+        else
+        {
+            off_t count;
+
+            for (count = start_mark; count < end_mark; count++)
+                edit_delete (edit, TRUE);
+        }
+    }
+
+    edit_set_markers (edit, 0, 0, 0, 0);
+    edit->force |= REDRAW_PAGE;
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Return a null terminated length of text. Result must be g_free'd */
+
+static unsigned char *
+edit_get_block (WEdit * edit, off_t start, off_t finish, off_t * l)
+{
+    unsigned char *s, *r;
+
+    r = s = g_malloc0 (finish - start + 1);
+
+    if (edit->column_highlight)
+    {
+        *l = 0;
+
+        /* copy from buffer, excluding chars that are out of the column 'margins' */
+        for (; start < finish; start++)
+        {
+            int c;
+            off_t x;
+
+            x = edit_move_forward3 (edit, edit_buffer_get_bol (&edit->buffer, start), 0, start);
+            c = edit_buffer_get_byte (&edit->buffer, start);
+            if ((x >= edit->column1 && x < edit->column2)
+                || (x >= edit->column2 && x < edit->column1) || c == '\n')
+            {
+                *s++ = c;
+                (*l)++;
+            }
+        }
+    }
+    else
+    {
+        *l = finish - start;
+
+        for (; start < finish; start++)
+            *s++ = edit_buffer_get_byte (&edit->buffer, start);
+    }
+
+    *s = '\0';
+
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** copies a block to clipboard file */
+
+static gboolean
+edit_save_block_to_clip_file (WEdit * edit, off_t start, off_t finish)
+{
+    gboolean ret;
+    gchar *tmp;
+
+    tmp = mc_config_get_full_path (EDIT_HOME_CLIP_FILE);
+    ret = edit_save_block (edit, tmp, start, finish);
+    g_free (tmp);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+pipe_mail (const edit_buffer_t * buf, char *to, char *subject, char *cc)
+{
+    FILE *p = 0;
+    char *s;
+
+    to = name_quote (to, FALSE);
+    subject = name_quote (subject, FALSE);
+    cc = name_quote (cc, FALSE);
+    s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "", cc, " ", to, (char *) NULL);
+    g_free (to);
+    g_free (subject);
+    g_free (cc);
+
+    if (s != NULL)
+    {
+        p = popen (s, "w");
+        g_free (s);
+    }
+
+    if (p != NULL)
+    {
+        off_t i;
+
+        for (i = 0; i < buf->size; i++)
+            if (fputc (edit_buffer_get_byte (buf, i), p) < 0)
+                break;
+        pclose (p);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_insert_column_of_text (WEdit * edit, unsigned char *data, off_t size, long width,
+                            off_t * start_pos, off_t * end_pos, long *col1, long *col2)
+{
+    off_t i, cursor;
+    long col;
+
+    cursor = edit->buffer.curs1;
+    col = edit_get_col (edit);
+
+    for (i = 0; i < size; i++)
+    {
+        if (data[i] != '\n')
+            edit_insert (edit, data[i]);
+        else
+        {                       /* fill in and move to next line */
+            long l;
+            off_t p;
+
+            if (edit_buffer_get_current_byte (&edit->buffer) != '\n')
+            {
+                for (l = width - (edit_get_col (edit) - col); l > 0; l -= space_width)
+                    edit_insert (edit, ' ');
+            }
+            for (p = edit->buffer.curs1;; p++)
+            {
+                if (p == edit->buffer.size)
+                {
+                    edit_cursor_move (edit, edit->buffer.size - edit->buffer.curs1);
+                    edit_insert_ahead (edit, '\n');
+                    p++;
+                    break;
+                }
+                if (edit_buffer_get_byte (&edit->buffer, p) == '\n')
+                {
+                    p++;
+                    break;
+                }
+            }
+            edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->buffer.curs1);
+
+            for (l = col - edit_get_col (edit); l >= space_width; l -= space_width)
+                edit_insert (edit, ' ');
+        }
+    }
+
+    *col1 = col;
+    *col2 = col + width;
+    *start_pos = cursor;
+    *end_pos = edit->buffer.curs1;
+    edit_cursor_move (edit, cursor - edit->buffer.curs1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Callback for the iteration of objects in the 'editors' array.
+ * Toggle syntax highlighting in editor object.
+ *
+ * @param data      probably WEdit object
+ * @param user_data unused
+ */
+
+static void
+edit_syntax_onoff_cb (void *data, void *user_data)
+{
+    (void) user_data;
+
+    if (edit_widget_is_editor (CONST_WIDGET (data)))
+    {
+        WEdit *edit = EDIT (data);
+
+        if (edit_options.syntax_highlighting)
+            edit_load_syntax (edit, NULL, edit->syntax_type);
+        edit->force |= REDRAW_PAGE;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+editcmd_dialog_raw_key_query_cb (Widget * w, Widget * sender, widget_msg_t msg, int parm,
+                                 void *data)
+{
+    WDialog *h = DIALOG (w);
+
+    switch (msg)
+    {
+    case MSG_KEY:
+        h->ret_value = parm;
+        dlg_close (h);
+        return MSG_HANDLED;
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_refresh_cmd (void)
+{
+    tty_clear_screen ();
+    repaint_screen ();
+    tty_keypad (TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Toggle syntax highlighting in all editor windows.
+ *
+ * @param h root widget for all windows
+ */
+
+void
+edit_syntax_onoff_cmd (WDialog * h)
+{
+    edit_options.syntax_highlighting = !edit_options.syntax_highlighting;
+    g_list_foreach (GROUP (h)->widgets, edit_syntax_onoff_cb, NULL);
+    widget_draw (WIDGET (h));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Toggle tabs showing in all editor windows.
+ *
+ * @param h root widget for all windows
+ */
+
+void
+edit_show_tabs_tws_cmd (WDialog * h)
+{
+    enable_show_tabs_tws = !enable_show_tabs_tws;
+    widget_draw (WIDGET (h));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Toggle right margin showing in all editor windows.
+ *
+ * @param h root widget for all windows
+ */
+
+void
+edit_show_margin_cmd (WDialog * h)
+{
+    edit_options.show_right_margin = !edit_options.show_right_margin;
+    widget_draw (WIDGET (h));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Toggle line numbers showing in all editor windows.
+ *
+ * @param h root widget for all windows
+ */
+
+void
+edit_show_numbers_cmd (WDialog * h)
+{
+    edit_options.line_state = !edit_options.line_state;
+    edit_options.line_state_width = edit_options.line_state ? LINE_STATE_WIDTH : 0;
+    widget_draw (WIDGET (h));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_save_mode_cmd (void)
+{
+    char *str_result = NULL;
+
+    const char *str[] = {
+        N_("&Quick save"),
+        N_("&Safe save"),
+        N_("&Do backups with following extension:")
+    };
+
+#ifdef ENABLE_NLS
+    size_t i;
+
+    for (i = 0; i < 3; i++)
+        str[i] = _(str[i]);
+#endif
+
+    g_assert (edit_options.backup_ext != NULL);
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_RADIO (3, str, &edit_options.save_mode, &edit_save_mode_radio_id),
+            QUICK_INPUT (edit_options.backup_ext, "edit-backup-ext", &str_result,
+                         &edit_save_mode_input_id, FALSE, FALSE, INPUT_COMPLETE_NONE),
+            QUICK_SEPARATOR (TRUE),
+            QUICK_CHECKBOX (N_("Check &POSIX new line"), &edit_options.check_nl_at_eof, NULL),
+            QUICK_BUTTONS_OK_CANCEL,
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, 38 };
+
+        quick_dialog_t qdlg = {
+            r, N_("Edit Save Mode"), "[Edit Save Mode]",
+            quick_widgets, edit_save_mode_callback, NULL
+        };
+
+        if (quick_dialog (&qdlg) != B_CANCEL)
+        {
+            g_free (edit_options.backup_ext);
+            edit_options.backup_ext = str_result;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_set_filename (WEdit * edit, const vfs_path_t * name_vpath)
+{
+    vfs_path_free (edit->filename_vpath, TRUE);
+    edit->filename_vpath = vfs_path_clone (name_vpath);
+
+    if (edit->dir_vpath == NULL)
+        edit->dir_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* Here we want to warn the users of overwriting an existing file,
+   but only if they have made a change to the filename */
+/* returns TRUE on success */
+gboolean
+edit_save_as_cmd (WEdit * edit)
+{
+    /* This heads the 'Save As' dialog box */
+    vfs_path_t *exp_vpath;
+    int save_lock = 0;
+    gboolean different_filename = FALSE;
+    gboolean ret = FALSE;
+
+    if (!edit_check_newline (&edit->buffer))
+        return FALSE;
+
+    exp_vpath = edit_get_save_file_as (edit);
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+    if (exp_vpath != NULL && vfs_path_len (exp_vpath) != 0)
+    {
+        int rv;
+
+        if (!vfs_path_equal (edit->filename_vpath, exp_vpath))
+        {
+            int file;
+            struct stat sb;
+
+            if (mc_stat (exp_vpath, &sb) == 0 && !S_ISREG (sb.st_mode))
+            {
+                edit_error_dialog (_("Save as"),
+                                   get_sys_error (_
+                                                  ("Cannot save: destination is not a regular file")));
+                goto ret;
+            }
+
+            different_filename = TRUE;
+            file = mc_open (exp_vpath, O_RDONLY | O_BINARY);
+
+            if (file == -1)
+                edit->stat1.st_mode |= S_IWUSR;
+            else
+            {
+                /* the file exists */
+                mc_close (file);
+                /* Overwrite the current file or cancel the operation */
+                if (edit_query_dialog2
+                    (_("Warning"),
+                     _("A file already exists with this name"), _("&Overwrite"), _("&Cancel")))
+                    goto ret;
+            }
+
+            save_lock = lock_file (exp_vpath);
+        }
+        else if (!edit->locked && !edit->delete_file)
+            /* filenames equal, check if already locked */
+            save_lock = lock_file (exp_vpath);
+
+        if (different_filename)
+            /* Allow user to write into saved (under another name) file
+             * even if original file had r/o user permissions. */
+            edit->stat1.st_mode |= S_IWUSR;
+
+        rv = edit_save_file (edit, exp_vpath);
+        switch (rv)
+        {
+        case 1:
+            /* Successful, so unlock both files */
+            if (different_filename)
+            {
+                if (save_lock)
+                    unlock_file (exp_vpath);
+                if (edit->locked)
+                    edit->locked = unlock_file (edit->filename_vpath);
+            }
+            else if (edit->locked || save_lock)
+                edit->locked = unlock_file (edit->filename_vpath);
+
+            edit_set_filename (edit, exp_vpath);
+            if (edit->lb != LB_ASIS)
+                edit_reload (edit, exp_vpath);
+            edit->modified = 0;
+            edit->delete_file = 0;
+            if (different_filename)
+                edit_load_syntax (edit, NULL, edit->syntax_type);
+            ret = TRUE;
+            break;
+
+        default:
+            edit_error_dialog (_("Save as"), get_sys_error (_("Cannot save file")));
+            MC_FALLTHROUGH;
+
+        case -1:
+            /* Failed, so maintain modify (not save) lock */
+            if (save_lock)
+                unlock_file (exp_vpath);
+            break;
+        }
+    }
+
+  ret:
+    vfs_path_free (exp_vpath, TRUE);
+    edit->force |= REDRAW_COMPLETELY;
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns TRUE on success */
+
+gboolean
+edit_save_confirm_cmd (WEdit * edit)
+{
+    if (edit->filename_vpath == NULL)
+        return edit_save_as_cmd (edit);
+
+    if (!edit_check_newline (&edit->buffer))
+        return FALSE;
+
+    if (edit_options.confirm_save)
+    {
+        char *f;
+        gboolean ok;
+
+        f = g_strdup_printf (_("Confirm save file: \"%s\""),
+                             vfs_path_as_str (edit->filename_vpath));
+        ok = (edit_query_dialog2 (_("Save file"), f, _("&Save"), _("&Cancel")) == 0);
+        g_free (f);
+        if (!ok)
+            return FALSE;
+    }
+
+    return edit_save_cmd (edit);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Ask file to edit and load it.
+  *
+  * @return TRUE on success or cancel of ask.
+  */
+
+gboolean
+edit_load_cmd (WDialog * h)
+{
+    char *exp;
+    gboolean ret = TRUE;        /* possible cancel */
+
+    exp = input_expand_dialog (_("Load"), _("Enter file name:"),
+                               MC_HISTORY_EDIT_LOAD, INPUT_LAST_TEXT,
+                               INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_CD);
+
+    if (exp != NULL && *exp != '\0')
+    {
+        vfs_path_t *exp_vpath;
+
+        exp_vpath = vfs_path_from_str (exp);
+        ret = edit_load_file_from_filename (h, exp_vpath, 0);
+        vfs_path_free (exp_vpath, TRUE);
+    }
+
+    g_free (exp);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Load file content
+ *
+ * @param h screen the owner of editor window
+ * @param vpath vfs file path
+ * @param line line number
+ *
+ * @return TRUE if file content was successfully loaded, FALSE otherwise
+ */
+
+gboolean
+edit_load_file_from_filename (WDialog * h, const vfs_path_t * vpath, long line)
+{
+    WRect r = WIDGET (h)->rect;
+
+    rect_grow (&r, -1, 0);
+
+    return edit_add_window (h, &r, vpath, line);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Show history od edited or viewed files and open selected file.
+  *
+  * @return TRUE on success, FALSE otherwise.
+  */
+
+gboolean
+edit_load_file_from_history (WDialog * h)
+{
+    char *exp;
+    int action;
+    gboolean ret = TRUE;        /* possible cancel */
+
+    exp = show_file_history (CONST_WIDGET (h), &action);
+    if (exp != NULL && (action == CK_Edit || action == CK_Enter))
+    {
+        vfs_path_t *exp_vpath;
+
+        exp_vpath = vfs_path_from_str (exp);
+        ret = edit_load_file_from_filename (h, exp_vpath, 0);
+        vfs_path_free (exp_vpath, TRUE);
+    }
+
+    g_free (exp);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Load syntax file to edit.
+  *
+  * @return TRUE on success
+  */
+
+gboolean
+edit_load_syntax_file (WDialog * h)
+{
+    vfs_path_t *extdir_vpath;
+    int dir = 0;
+    gboolean ret = FALSE;
+
+    if (geteuid () == 0)
+        dir = query_dialog (_("Syntax file edit"),
+                            _("Which syntax file you want to edit?"), D_NORMAL, 2,
+                            _("&User"), _("&System wide"));
+
+    extdir_vpath =
+        vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_SYNTAX_FILE, (char *) NULL);
+    if (!exist_file (vfs_path_get_last_path_str (extdir_vpath)))
+    {
+        vfs_path_free (extdir_vpath, TRUE);
+        extdir_vpath =
+            vfs_path_build_filename (mc_global.share_data_dir, EDIT_SYNTAX_FILE, (char *) NULL);
+    }
+
+    if (dir == 0)
+    {
+        vfs_path_t *user_syntax_file_vpath;
+
+        user_syntax_file_vpath = mc_config_get_full_vpath (EDIT_SYNTAX_FILE);
+        check_for_default (extdir_vpath, user_syntax_file_vpath);
+        ret = edit_load_file_from_filename (h, user_syntax_file_vpath, 0);
+        vfs_path_free (user_syntax_file_vpath, TRUE);
+    }
+    else if (dir == 1)
+        ret = edit_load_file_from_filename (h, extdir_vpath, 0);
+
+    vfs_path_free (extdir_vpath, TRUE);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Load menu file to edit.
+  *
+  * @return TRUE on success
+  */
+
+gboolean
+edit_load_menu_file (WDialog * h)
+{
+    vfs_path_t *buffer_vpath;
+    vfs_path_t *menufile_vpath;
+    int dir;
+    gboolean ret;
+
+    query_set_sel (1);
+    dir = query_dialog (_("Menu edit"),
+                        _("Which menu file do you want to edit?"), D_NORMAL,
+                        geteuid () != 0 ? 2 : 3, _("&Local"), _("&User"), _("&System wide"));
+
+    menufile_vpath =
+        vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, (char *) NULL);
+    if (!exist_file (vfs_path_get_last_path_str (menufile_vpath)))
+    {
+        vfs_path_free (menufile_vpath, TRUE);
+        menufile_vpath =
+            vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, (char *) NULL);
+    }
+
+    switch (dir)
+    {
+    case 0:
+        buffer_vpath = vfs_path_from_str (EDIT_LOCAL_MENU);
+        check_for_default (menufile_vpath, buffer_vpath);
+        chmod (vfs_path_get_last_path_str (buffer_vpath), 0600);
+        break;
+
+    case 1:
+        buffer_vpath = mc_config_get_full_vpath (EDIT_HOME_MENU);
+        check_for_default (menufile_vpath, buffer_vpath);
+        break;
+
+    case 2:
+        buffer_vpath =
+            vfs_path_build_filename (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU, (char *) NULL);
+        if (!exist_file (vfs_path_get_last_path_str (buffer_vpath)))
+        {
+            vfs_path_free (buffer_vpath, TRUE);
+            buffer_vpath =
+                vfs_path_build_filename (mc_global.share_data_dir, EDIT_GLOBAL_MENU, (char *) NULL);
+        }
+        break;
+
+    default:
+        vfs_path_free (menufile_vpath, TRUE);
+        return FALSE;
+    }
+
+    ret = edit_load_file_from_filename (h, buffer_vpath, 0);
+
+    vfs_path_free (buffer_vpath, TRUE);
+    vfs_path_free (menufile_vpath, TRUE);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Close window with opened file.
+  *
+  * @return TRUE if file was closed.
+  */
+
+gboolean
+edit_close_cmd (WEdit * edit)
+{
+    gboolean ret;
+
+    ret = (edit != NULL) && edit_ok_to_exit (edit);
+
+    if (ret)
+    {
+        Widget *w = WIDGET (edit);
+        WGroup *g = w->owner;
+
+        if (edit->locked != 0)
+            unlock_file (edit->filename_vpath);
+
+        group_remove_widget (w);
+        widget_destroy (w);
+
+        if (edit_widget_is_editor (CONST_WIDGET (g->current->data)))
+            edit = EDIT (g->current->data);
+        else
+        {
+            edit = edit_find_editor (DIALOG (g));
+            if (edit != NULL)
+                widget_select (WIDGET (edit));
+        }
+    }
+
+    if (edit != NULL)
+        edit->force |= REDRAW_COMPLETELY;
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   if mark2 is -1 then marking is from mark1 to the cursor.
+   Otherwise its between the markers. This handles this.
+   Returns FALSE if no text is marked.
+ */
+
+gboolean
+eval_marks (WEdit * edit, off_t * start_mark, off_t * end_mark)
+{
+    long end_mark_curs;
+
+    if (edit->mark1 == edit->mark2)
+    {
+        *start_mark = *end_mark = 0;
+        edit->column2 = edit->column1 = 0;
+        return FALSE;
+    }
+
+    if (edit->end_mark_curs < 0)
+        end_mark_curs = edit->buffer.curs1;
+    else
+        end_mark_curs = edit->end_mark_curs;
+
+    if (edit->mark2 >= 0)
+    {
+        *start_mark = MIN (edit->mark1, edit->mark2);
+        *end_mark = MAX (edit->mark1, edit->mark2);
+    }
+    else
+    {
+        *start_mark = MIN (edit->mark1, end_mark_curs);
+        *end_mark = MAX (edit->mark1, end_mark_curs);
+        edit->column2 = edit->curs_col + edit->over_col;
+    }
+
+    if (edit->column_highlight
+        && ((edit->mark1 > end_mark_curs && edit->column1 < edit->column2)
+            || (edit->mark1 < end_mark_curs && edit->column1 > edit->column2)))
+    {
+        off_t start_bol, start_eol;
+        off_t end_bol, end_eol;
+        long col1, col2;
+        off_t diff1, diff2;
+
+        start_bol = edit_buffer_get_bol (&edit->buffer, *start_mark);
+        start_eol = edit_buffer_get_eol (&edit->buffer, start_bol - 1) + 1;
+        end_bol = edit_buffer_get_bol (&edit->buffer, *end_mark);
+        end_eol = edit_buffer_get_eol (&edit->buffer, *end_mark);
+        col1 = MIN (edit->column1, edit->column2);
+        col2 = MAX (edit->column1, edit->column2);
+
+        diff1 = edit_move_forward3 (edit, start_bol, col2, 0) -
+            edit_move_forward3 (edit, start_bol, col1, 0);
+        diff2 = edit_move_forward3 (edit, end_bol, col2, 0) -
+            edit_move_forward3 (edit, end_bol, col1, 0);
+
+        *start_mark -= diff1;
+        *end_mark += diff2;
+        *start_mark = MAX (*start_mark, start_eol);
+        *end_mark = MIN (*end_mark, end_eol);
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_block_copy_cmd (WEdit * edit)
+{
+    off_t start_mark, end_mark, current = edit->buffer.curs1;
+    off_t mark1 = 0, mark2 = 0;
+    long c1 = 0, c2 = 0;
+    off_t size;
+    unsigned char *copy_buf;
+
+    edit_update_curs_col (edit);
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return;
+
+    copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
+
+    /* all that gets pushed are deletes hence little space is used on the stack */
+
+    edit_push_markers (edit);
+
+    if (edit->column_highlight)
+    {
+        long col_delta;
+
+        col_delta = labs (edit->column2 - edit->column1);
+        edit_insert_column_of_text (edit, copy_buf, size, col_delta, &mark1, &mark2, &c1, &c2);
+    }
+    else
+    {
+        int size_orig = size;
+
+        while (size-- != 0)
+            edit_insert_ahead (edit, copy_buf[size]);
+
+        /* Place cursor at the end of text selection */
+        if (edit_options.cursor_after_inserted_block)
+            edit_cursor_move (edit, size_orig);
+    }
+
+    g_free (copy_buf);
+    edit_scroll_screen_over_cursor (edit);
+
+    if (edit->column_highlight)
+        edit_set_markers (edit, edit->buffer.curs1, mark2, c1, c2);
+    else if (start_mark < current && end_mark > current)
+        edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
+
+    edit->force |= REDRAW_PAGE;
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_block_move_cmd (WEdit * edit)
+{
+    off_t current;
+    unsigned char *copy_buf = NULL;
+    off_t start_mark, end_mark;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return;
+
+    if (!edit->column_highlight && edit->buffer.curs1 > start_mark && edit->buffer.curs1 < end_mark)
+        return;
+
+    if (edit->mark2 < 0)
+        edit_mark_cmd (edit, FALSE);
+    edit_push_markers (edit);
+
+    if (edit->column_highlight)
+    {
+        off_t mark1, mark2;
+        off_t size;
+        long c1, c2, b_width;
+        long x, x2;
+
+        c1 = MIN (edit->column1, edit->column2);
+        c2 = MAX (edit->column1, edit->column2);
+        b_width = c2 - c1;
+
+        edit_update_curs_col (edit);
+
+        x = edit->curs_col;
+        x2 = x + edit->over_col;
+
+        /* do nothing when cursor inside first line of selected area */
+        if ((edit_buffer_get_eol (&edit->buffer, edit->buffer.curs1) ==
+             edit_buffer_get_eol (&edit->buffer, start_mark)) && x2 > c1 && x2 <= c2)
+            return;
+
+        if (edit->buffer.curs1 > start_mark
+            && edit->buffer.curs1 < edit_buffer_get_eol (&edit->buffer, end_mark))
+        {
+            if (x > c2)
+                x -= b_width;
+            else if (x > c1 && x <= c2)
+                x = c1;
+        }
+        /* save current selection into buffer */
+        copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
+
+        /* remove current selection */
+        edit_block_delete_cmd (edit);
+
+        edit->over_col = MAX (0, edit->over_col - b_width);
+        /* calculate the cursor pos after delete block */
+        current = edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), x, 0);
+        edit_cursor_move (edit, current - edit->buffer.curs1);
+        edit_scroll_screen_over_cursor (edit);
+
+        /* add TWS if need before block insertion */
+        if (edit_options.cursor_beyond_eol && edit->over_col > 0)
+            edit_insert_over (edit);
+
+        edit_insert_column_of_text (edit, copy_buf, size, b_width, &mark1, &mark2, &c1, &c2);
+        edit_set_markers (edit, mark1, mark2, c1, c2);
+    }
+    else
+    {
+        off_t count, count_orig;
+
+        current = edit->buffer.curs1;
+        copy_buf = g_malloc0 (end_mark - start_mark);
+        edit_cursor_move (edit, start_mark - edit->buffer.curs1);
+        edit_scroll_screen_over_cursor (edit);
+
+        for (count = start_mark; count < end_mark; count++)
+            copy_buf[end_mark - count - 1] = edit_delete (edit, TRUE);
+
+        edit_scroll_screen_over_cursor (edit);
+        edit_cursor_move (edit,
+                          current - edit->buffer.curs1 -
+                          (((current - edit->buffer.curs1) > 0) ? end_mark - start_mark : 0));
+        edit_scroll_screen_over_cursor (edit);
+        count_orig = count;
+        while (count-- > start_mark)
+            edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
+
+        edit_set_markers (edit, edit->buffer.curs1, edit->buffer.curs1 + end_mark - start_mark, 0,
+                          0);
+
+        /* Place cursor at the end of text selection */
+        if (edit_options.cursor_after_inserted_block)
+            edit_cursor_move (edit, count_orig - start_mark);
+    }
+
+    edit_scroll_screen_over_cursor (edit);
+    g_free (copy_buf);
+    edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns 1 if canceelled by user */
+
+int
+edit_block_delete_cmd (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+
+    if (eval_marks (edit, &start_mark, &end_mark))
+        return edit_block_delete (edit);
+
+    edit_delete_line (edit);
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+  * Check if it's OK to close the file. If there are unsaved changes, ask user.
+  *
+  * @return TRUE if it's OK to exit, FALSE to continue editing.
+  */
+
+gboolean
+edit_ok_to_exit (WEdit * edit)
+{
+    const char *fname = N_("[NoName]");
+    char *msg;
+    int act;
+
+    if (!edit->modified)
+        return TRUE;
+
+    if (edit->filename_vpath != NULL)
+        fname = vfs_path_as_str (edit->filename_vpath);
+#ifdef ENABLE_NLS
+    else
+        fname = _(fname);
+#endif
+
+    if (!mc_global.midnight_shutdown)
+    {
+        query_set_sel (2);
+
+        msg = g_strdup_printf (_("File %s was modified.\nSave before close?"), fname);
+        act = edit_query_dialog3 (_("Close file"), msg, _("&Yes"), _("&No"), _("&Cancel"));
+    }
+    else
+    {
+        msg = g_strdup_printf (_("Midnight Commander is being shut down.\nSave modified file %s?"),
+                               fname);
+        act = edit_query_dialog2 (_("Quit"), msg, _("&Yes"), _("&No"));
+
+        /* Esc is No */
+        if (act == -1)
+            act = 1;
+    }
+
+    g_free (msg);
+
+    switch (act)
+    {
+    case 0:                    /* Yes */
+        if (!mc_global.midnight_shutdown && !edit_check_newline (&edit->buffer))
+            return FALSE;
+        edit_push_markers (edit);
+        edit_set_markers (edit, 0, 0, 0, 0);
+        if (!edit_save_cmd (edit) || mc_global.midnight_shutdown)
+            return mc_global.midnight_shutdown;
+        break;
+    case 1:                    /* No */
+    default:
+        break;
+    case 2:                    /* Cancel quit */
+    case -1:                   /* Esc */
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** save block, returns TRUE on success */
+
+gboolean
+edit_save_block (WEdit * edit, const char *filename, off_t start, off_t finish)
+{
+    int file;
+    off_t len = 1;
+    vfs_path_t *vpath;
+
+    vpath = vfs_path_from_str (filename);
+    file = mc_open (vpath, O_CREAT | O_WRONLY | O_TRUNC,
+                    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
+    vfs_path_free (vpath, TRUE);
+    if (file == -1)
+        return FALSE;
+
+    if (edit->column_highlight)
+    {
+        int r;
+
+        r = mc_write (file, VERTICAL_MAGIC, sizeof (VERTICAL_MAGIC));
+        if (r > 0)
+        {
+            unsigned char *block, *p;
+
+            p = block = edit_get_block (edit, start, finish, &len);
+            while (len != 0)
+            {
+                r = mc_write (file, p, len);
+                if (r < 0)
+                    break;
+                p += r;
+                len -= r;
+            }
+            g_free (block);
+        }
+    }
+    else
+    {
+        unsigned char *buf;
+        off_t i = start;
+
+        len = finish - start;
+        buf = g_malloc0 (TEMP_BUF_LEN);
+        while (start != finish)
+        {
+            off_t end;
+
+            end = MIN (finish, start + TEMP_BUF_LEN);
+            for (; i < end; i++)
+                buf[i - start] = edit_buffer_get_byte (&edit->buffer, i);
+            len -= mc_write (file, (char *) buf, end - start);
+            start = end;
+        }
+        g_free (buf);
+    }
+    mc_close (file);
+
+    return (len == 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_paste_from_history (WEdit * edit)
+{
+    (void) edit;
+    edit_error_dialog (_("Error"), _("This function is not implemented"));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_copy_to_X_buf_cmd (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return TRUE;
+
+    if (!edit_save_block_to_clip_file (edit, start_mark, end_mark))
+    {
+        edit_error_dialog (_("Copy to clipboard"), get_sys_error (_("Unable to save to file")));
+        return FALSE;
+    }
+    /* try use external clipboard utility */
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
+
+    if (edit_options.drop_selection_on_copy)
+        edit_mark_cmd (edit, TRUE);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_cut_to_X_buf_cmd (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return TRUE;
+
+    if (!edit_save_block_to_clip_file (edit, start_mark, end_mark))
+    {
+        edit_error_dialog (_("Cut to clipboard"), _("Unable to save to file"));
+        return FALSE;
+    }
+    /* try use external clipboard utility */
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
+
+    edit_block_delete_cmd (edit);
+    edit_mark_cmd (edit, TRUE);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_paste_from_X_buf_cmd (WEdit * edit)
+{
+    vfs_path_t *tmp;
+    gboolean ret;
+
+    /* try use external clipboard utility */
+    mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_from_ext_clip", NULL);
+    tmp = mc_config_get_full_vpath (EDIT_HOME_CLIP_FILE);
+    ret = (edit_insert_file (edit, tmp) >= 0);
+    vfs_path_free (tmp, TRUE);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Ask user for the line and go to that line.
+ * Negative numbers mean line from the end (i.e. -1 is the last line).
+ */
+
+void
+edit_goto_cmd (WEdit * edit)
+{
+    static gboolean first_run = TRUE;
+
+    char *f;
+    long l;
+    char *error;
+
+    f = input_dialog (_("Goto line"), _("Enter line:"), MC_HISTORY_EDIT_GOTO_LINE,
+                      first_run ? NULL : INPUT_LAST_TEXT, INPUT_COMPLETE_NONE);
+    if (f == NULL || *f == '\0')
+    {
+        g_free (f);
+        return;
+    }
+
+    l = strtol (f, &error, 0);
+    if (*error != '\0')
+    {
+        g_free (f);
+        return;
+    }
+
+    if (l < 0)
+        l = edit->buffer.lines + l + 2;
+
+    edit_move_display (edit, l - WIDGET (edit)->rect.lines / 2 - 1);
+    edit_move_to_line (edit, l - 1);
+    edit->force |= REDRAW_COMPLETELY;
+
+    g_free (f);
+    first_run = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Return TRUE on success */
+
+gboolean
+edit_save_block_cmd (WEdit * edit)
+{
+    off_t start_mark, end_mark;
+    char *exp, *tmp;
+    gboolean ret = FALSE;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return TRUE;
+
+    tmp = mc_config_get_full_path (EDIT_HOME_CLIP_FILE);
+    exp =
+        input_expand_dialog (_("Save block"), _("Enter file name:"),
+                             MC_HISTORY_EDIT_SAVE_BLOCK, tmp, INPUT_COMPLETE_FILENAMES);
+    g_free (tmp);
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+    if (exp != NULL && *exp != '\0')
+    {
+        if (edit_save_block (edit, exp, start_mark, end_mark))
+            ret = TRUE;
+        else
+            edit_error_dialog (_("Save block"), get_sys_error (_("Cannot save file")));
+
+        edit->force |= REDRAW_COMPLETELY;
+    }
+
+    g_free (exp);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** returns TRUE on success */
+gboolean
+edit_insert_file_cmd (WEdit * edit)
+{
+    char *tmp;
+    char *exp;
+    gboolean ret = FALSE;
+
+    tmp = mc_config_get_full_path (EDIT_HOME_CLIP_FILE);
+    exp = input_expand_dialog (_("Insert file"), _("Enter file name:"),
+                               MC_HISTORY_EDIT_INSERT_FILE, tmp, INPUT_COMPLETE_FILENAMES);
+    g_free (tmp);
+
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+    if (exp != NULL && *exp != '\0')
+    {
+        vfs_path_t *exp_vpath;
+
+        exp_vpath = vfs_path_from_str (exp);
+        ret = (edit_insert_file (edit, exp_vpath) >= 0);
+        vfs_path_free (exp_vpath, TRUE);
+
+        if (!ret)
+            edit_error_dialog (_("Insert file"), get_sys_error (_("Cannot insert file")));
+    }
+
+    g_free (exp);
+
+    edit->force |= REDRAW_COMPLETELY;
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
+
+int
+edit_sort_cmd (WEdit * edit)
+{
+    char *exp, *tmp, *tmp_edit_block_name, *tmp_edit_temp_name;
+    off_t start_mark, end_mark;
+    int e;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+    {
+        edit_error_dialog (_("Sort block"), _("You must first highlight a block of text"));
+        return 0;
+    }
+
+    tmp = mc_config_get_full_path (EDIT_HOME_BLOCK_FILE);
+    edit_save_block (edit, tmp, start_mark, end_mark);
+    g_free (tmp);
+
+    exp = input_dialog (_("Run sort"),
+                        _("Enter sort options (see sort(1) manpage) separated by whitespace:"),
+                        MC_HISTORY_EDIT_SORT, INPUT_LAST_TEXT, INPUT_COMPLETE_NONE);
+
+    if (exp == NULL)
+        return 1;
+
+    tmp_edit_block_name = mc_config_get_full_path (EDIT_HOME_BLOCK_FILE);
+    tmp_edit_temp_name = mc_config_get_full_path (EDIT_HOME_TEMP_FILE);
+    tmp =
+        g_strconcat (" sort ", exp, " ", tmp_edit_block_name,
+                     " > ", tmp_edit_temp_name, (char *) NULL);
+    g_free (tmp_edit_temp_name);
+    g_free (tmp_edit_block_name);
+    g_free (exp);
+
+    e = system (tmp);
+    g_free (tmp);
+    if (e != 0)
+    {
+        if (e == -1 || e == 127)
+            edit_error_dialog (_("Sort"), get_sys_error (_("Cannot execute sort command")));
+        else
+        {
+            char q[8];
+
+            sprintf (q, "%d ", e);
+            tmp = g_strdup_printf (_("Sort returned non-zero: %s"), q);
+            edit_error_dialog (_("Sort"), tmp);
+            g_free (tmp);
+        }
+
+        return -1;
+    }
+
+    edit->force |= REDRAW_COMPLETELY;
+
+    if (edit_block_delete_cmd (edit))
+        return 1;
+
+    {
+        vfs_path_t *tmp_vpath;
+
+        tmp_vpath = mc_config_get_full_vpath (EDIT_HOME_TEMP_FILE);
+        edit_insert_file (edit, tmp_vpath);
+        vfs_path_free (tmp_vpath, TRUE);
+    }
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Ask user for a command, execute it and paste its output back to the
+ * editor.
+ */
+
+int
+edit_ext_cmd (WEdit * edit)
+{
+    char *exp, *tmp, *tmp_edit_temp_file;
+    int e;
+
+    exp =
+        input_dialog (_("Paste output of external command"),
+                      _("Enter shell command(s):"), MC_HISTORY_EDIT_PASTE_EXTCMD, INPUT_LAST_TEXT,
+                      INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_VARIABLES | INPUT_COMPLETE_USERNAMES
+                      | INPUT_COMPLETE_HOSTNAMES | INPUT_COMPLETE_CD | INPUT_COMPLETE_COMMANDS |
+                      INPUT_COMPLETE_SHELL_ESC);
+
+    if (!exp)
+        return 1;
+
+    tmp_edit_temp_file = mc_config_get_full_path (EDIT_HOME_TEMP_FILE);
+    tmp = g_strconcat (exp, " > ", tmp_edit_temp_file, (char *) NULL);
+    g_free (tmp_edit_temp_file);
+    e = system (tmp);
+    g_free (tmp);
+    g_free (exp);
+
+    if (e != 0)
+    {
+        edit_error_dialog (_("External command"), get_sys_error (_("Cannot execute command")));
+        return -1;
+    }
+
+    edit->force |= REDRAW_COMPLETELY;
+
+    {
+        vfs_path_t *tmp_vpath;
+
+        tmp_vpath = mc_config_get_full_vpath (EDIT_HOME_TEMP_FILE);
+        edit_insert_file (edit, tmp_vpath);
+        vfs_path_free (tmp_vpath, TRUE);
+    }
+
+    return 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** if block is 1, a block must be highlighted and the shell command
+   processes it. If block is 0 the shell command is a straight system
+   command, that just produces some output which is to be inserted */
+
+void
+edit_block_process_cmd (WEdit * edit, int macro_number)
+{
+    char *fname;
+    char *macros_fname = NULL;
+
+    fname = g_strdup_printf ("%s.%i.sh", EDIT_HOME_MACRO_FILE, macro_number);
+    macros_fname = g_build_filename (mc_config_get_data_path (), fname, (char *) NULL);
+    user_menu (edit, macros_fname, 0);
+    g_free (fname);
+    g_free (macros_fname);
+    edit->force |= REDRAW_COMPLETELY;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_mail_dialog (WEdit * edit)
+{
+    char *mail_to, *mail_subject, *mail_cc;
+
+    quick_widget_t quick_widgets[] = {
+        /* *INDENT-OFF* */
+        QUICK_LABEL (N_("mail -s <subject> -c <cc> <to>"), NULL),
+        QUICK_LABELED_INPUT (N_("To"), input_label_above,
+                             INPUT_LAST_TEXT, "mail-dlg-input-3",
+                             &mail_to, NULL, FALSE, FALSE, INPUT_COMPLETE_USERNAMES),
+        QUICK_LABELED_INPUT (N_("Subject"), input_label_above,
+                              INPUT_LAST_TEXT, "mail-dlg-input-2",
+                              &mail_subject, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
+        QUICK_LABELED_INPUT (N_("Copies to"), input_label_above,
+                             INPUT_LAST_TEXT, "mail-dlg-input",
+                             &mail_cc, NULL, FALSE, FALSE, INPUT_COMPLETE_USERNAMES),
+        QUICK_BUTTONS_OK_CANCEL,
+        QUICK_END
+        /* *INDENT-ON* */
+    };
+
+    WRect r = { -1, -1, 0, 50 };
+
+    quick_dialog_t qdlg = {
+        r, N_("Mail"), "[Input Line Keys]",
+        quick_widgets, NULL, NULL
+    };
+
+    if (quick_dialog (&qdlg) != B_CANCEL)
+    {
+        pipe_mail (&edit->buffer, mail_to, mail_subject, mail_cc);
+        g_free (mail_to);
+        g_free (mail_subject);
+        g_free (mail_cc);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef HAVE_CHARSET
+void
+edit_select_codepage_cmd (WEdit * edit)
+{
+    if (do_select_codepage ())
+        edit_set_codeset (edit);
+
+    edit->force = REDRAW_PAGE;
+    widget_draw (WIDGET (edit));
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_insert_literal_cmd (WEdit * edit)
+{
+    int char_for_insertion;
+
+    char_for_insertion = editcmd_dialog_raw_key_query (_("Insert literal"),
+                                                       _("Press any key:"), FALSE);
+    edit_execute_key_command (edit, -1, ascii_alpha_to_cntrl (char_for_insertion));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_load_forward_cmd (WEdit * edit)
+{
+    if (edit->modified
+        && edit_query_dialog2 (_("Warning"),
+                               _("Current text was modified without a file save.\n"
+                                 "Continue discards these changes."), _("C&ontinue"),
+                               _("&Cancel")) == 1)
+    {
+        edit->force |= REDRAW_COMPLETELY;
+        return TRUE;
+    }
+
+    if (edit_stack_iterator + 1 >= MAX_HISTORY_MOVETO)
+        return FALSE;
+
+    if (edit_history_moveto[edit_stack_iterator + 1].line < 1)
+        return FALSE;
+
+    edit_stack_iterator++;
+    if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
+        return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
+                                 edit_history_moveto[edit_stack_iterator].line);
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_load_back_cmd (WEdit * edit)
+{
+    if (edit->modified
+        && edit_query_dialog2 (_("Warning"),
+                               _("Current text was modified without a file save.\n"
+                                 "Continue discards these changes."), _("C&ontinue"),
+                               _("&Cancel")) == 1)
+    {
+        edit->force |= REDRAW_COMPLETELY;
+        return TRUE;
+    }
+
+    /* we are in the bottom of the stack, NO WAY! */
+    if (edit_stack_iterator == 0)
+        return FALSE;
+
+    edit_stack_iterator--;
+    if (edit_history_moveto[edit_stack_iterator].filename_vpath != NULL)
+        return edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
+                                 edit_history_moveto[edit_stack_iterator].line);
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* gets a raw key from the keyboard. Passing cancel = 1 draws
+   a cancel button thus allowing c-c etc.  Alternatively, cancel = 0
+   will return the next key pressed.  ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
+   and Esc are cannot returned */
+
+int
+editcmd_dialog_raw_key_query (const char *heading, const char *query, gboolean cancel)
+{
+    int w, wq;
+    int y = 2;
+    WDialog *raw_dlg;
+    WGroup *g;
+
+    w = str_term_width1 (heading) + 6;
+    wq = str_term_width1 (query);
+    w = MAX (w, wq + 3 * 2 + 1 + 2);
+
+    raw_dlg =
+        dlg_create (TRUE, 0, 0, cancel ? 7 : 5, w, WPOS_CENTER | WPOS_TRYUP, FALSE, dialog_colors,
+                    editcmd_dialog_raw_key_query_cb, NULL, NULL, heading);
+    g = GROUP (raw_dlg);
+    widget_want_tab (WIDGET (raw_dlg), TRUE);
+
+    group_add_widget (g, label_new (y, 3, query));
+    group_add_widget (g,
+                      input_new (y++, 3 + wq + 1, input_colors, w - (6 + wq + 1), "", 0,
+                                 INPUT_COMPLETE_NONE));
+    if (cancel)
+    {
+        group_add_widget (g, hline_new (y++, -1, -1));
+        /* Button w/o hotkey to allow use any key as raw or macro one */
+        group_add_widget_autopos (g, button_new (y, 1, B_CANCEL, NORMAL_BUTTON, _("Cancel"), NULL),
+                                  WPOS_KEEP_TOP | WPOS_CENTER_HORZ, NULL);
+    }
+
+    w = dlg_run (raw_dlg);
+    widget_destroy (WIDGET (raw_dlg));
+
+    return (cancel && (w == ESC_CHAR || w == B_CANCEL)) ? 0 : w;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editcomplete.c b/src/editor/editcomplete.c
new file mode 100644
index 0000000..06f304d
--- /dev/null
+++ b/src/editor/editcomplete.c
@@ -0,0 +1,483 @@
+/*
+   Editor word completion engine
+
+   Copyright (C) 2021-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2021-2022
+
+   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/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>              /* isspace() */
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/search.h"
+#include "lib/strutil.h"
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"       /* str_convert_to_input() */
+#endif
+#include "lib/tty/tty.h"        /* LINES, COLS */
+#include "lib/widget.h"
+
+#include "src/setup.h"          /* verbose */
+
+#include "editwidget.h"
+#include "edit-impl.h"
+#include "editsearch.h"
+
+#include "editcomplete.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get current word under cursor
+ *
+ * @param esm status message window
+ * @param srch mc_search object
+ * @param word_start start word position
+ *
+ * @return newly allocated string or NULL if no any words under cursor
+ */
+
+static GString *
+edit_collect_completions_get_current_word (edit_search_status_msg_t * esm, mc_search_t * srch,
+                                           off_t word_start)
+{
+    WEdit *edit = esm->edit;
+    gsize len = 0;
+    GString *temp = NULL;
+
+    if (mc_search_run (srch, (void *) esm, word_start, edit->buffer.size, &len))
+    {
+        off_t i;
+
+        for (i = 0; i < (off_t) len; i++)
+        {
+            int chr;
+
+            chr = edit_buffer_get_byte (&edit->buffer, word_start + i);
+            if (!isspace (chr))
+            {
+                if (temp == NULL)
+                    temp = g_string_sized_new (len);
+
+                g_string_append_c (temp, chr);
+            }
+        }
+    }
+
+    return temp;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * collect the possible completions from one buffer
+ */
+
+static void
+edit_collect_completion_from_one_buffer (gboolean active_buffer, GQueue ** compl,
+                                         mc_search_t * srch, edit_search_status_msg_t * esm,
+                                         off_t word_start, gsize word_len, off_t last_byte,
+                                         GString * current_word, int *max_width)
+{
+    GString *temp = NULL;
+    gsize len = 0;
+    off_t start = -1;
+
+    while (mc_search_run (srch, (void *) esm, start + 1, last_byte, &len))
+    {
+        gsize i;
+        int width;
+
+        if (temp == NULL)
+            temp = g_string_sized_new (8);
+        else
+            g_string_set_size (temp, 0);
+
+        start = srch->normal_offset;
+
+        /* add matched completion if not yet added */
+        for (i = 0; i < len; i++)
+        {
+            int ch;
+
+            ch = edit_buffer_get_byte (&esm->edit->buffer, start + i);
+            if (isspace (ch))
+                continue;
+
+            /* skip current word */
+            if (start + (off_t) i == word_start)
+                break;
+
+            g_string_append_c (temp, ch);
+        }
+
+        if (temp->len == 0)
+            continue;
+
+        if (current_word != NULL && g_string_equal (current_word, temp))
+            continue;
+
+        if (*compl == NULL)
+            *compl = g_queue_new ();
+        else
+        {
+            GList *l;
+
+            for (l = g_queue_peek_head_link (*compl); l != NULL; l = g_list_next (l))
+            {
+                GString *s = (GString *) l->data;
+
+                /* skip if already added */
+                if (strncmp (s->str + word_len, temp->str + word_len,
+                             MAX (len, s->len) - word_len) == 0)
+                    break;
+            }
+
+            if (l != NULL)
+            {
+                /* resort completion in main buffer only:
+                 * these completions must be at the top of list in the completion dialog */
+                if (!active_buffer && l != g_queue_peek_tail_link (*compl))
+                {
+                    /* move to the end */
+                    g_queue_unlink (*compl, l);
+                    g_queue_push_tail_link (*compl, l);
+                }
+
+                continue;
+            }
+        }
+
+#ifdef HAVE_CHARSET
+        {
+            GString *recoded;
+
+            recoded = str_nconvert_to_display (temp->str, temp->len);
+            if (recoded != NULL)
+            {
+                if (recoded->len != 0)
+                    mc_g_string_copy (temp, recoded);
+
+                g_string_free (recoded, TRUE);
+            }
+        }
+#endif
+
+        if (active_buffer)
+            g_queue_push_tail (*compl, temp);
+        else
+            g_queue_push_head (*compl, temp);
+
+        start += len;
+
+        /* note the maximal length needed for the completion dialog */
+        width = str_term_width1 (temp->str);
+        *max_width = MAX (*max_width, width);
+
+        temp = NULL;
+    }
+
+    if (temp != NULL)
+        g_string_free (temp, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * collect the possible completions from all buffers
+ */
+
+static GQueue *
+edit_collect_completions (WEdit * edit, off_t word_start, gsize word_len,
+                          const char *match_expr, int *max_width)
+{
+    GQueue *compl = NULL;
+    mc_search_t *srch;
+    off_t last_byte;
+    GString *current_word;
+    gboolean entire_file, all_files;
+    edit_search_status_msg_t esm;
+
+#ifdef HAVE_CHARSET
+    srch = mc_search_new (match_expr, cp_source);
+#else
+    srch = mc_search_new (match_expr, NULL);
+#endif
+    if (srch == NULL)
+        return NULL;
+
+    entire_file =
+        mc_config_get_bool (mc_global.main_config, CONFIG_APP_SECTION,
+                            "editor_wordcompletion_collect_entire_file", FALSE);
+
+    last_byte = entire_file ? edit->buffer.size : word_start;
+
+    srch->search_type = MC_SEARCH_T_REGEX;
+    srch->is_case_sensitive = TRUE;
+    srch->search_fn = edit_search_cmd_callback;
+    srch->update_fn = edit_search_update_callback;
+
+    esm.first = TRUE;
+    esm.edit = edit;
+    esm.offset = entire_file ? 0 : word_start;
+
+    status_msg_init (STATUS_MSG (&esm), _("Collect completions"), 1.0, simple_status_msg_init_cb,
+                     edit_search_status_update_cb, NULL);
+
+    current_word = edit_collect_completions_get_current_word (&esm, srch, word_start);
+
+    *max_width = 0;
+
+    /* collect completions from current buffer at first */
+    edit_collect_completion_from_one_buffer (TRUE, &compl, srch, &esm, word_start, word_len,
+                                             last_byte, current_word, max_width);
+
+    /* collect completions from other buffers */
+    all_files =
+        mc_config_get_bool (mc_global.main_config, CONFIG_APP_SECTION,
+                            "editor_wordcompletion_collect_all_files", TRUE);
+    if (all_files)
+    {
+        const WGroup *owner = CONST_GROUP (CONST_WIDGET (edit)->owner);
+        gboolean saved_verbose;
+        GList *w;
+
+        /* don't show incorrect percentage in edit_search_status_update_cb() */
+        saved_verbose = verbose;
+        verbose = FALSE;
+
+        for (w = owner->widgets; w != NULL; w = g_list_next (w))
+        {
+            Widget *ww = WIDGET (w->data);
+            WEdit *e;
+
+            if (!edit_widget_is_editor (ww))
+                continue;
+
+            e = EDIT (ww);
+
+            if (e == edit)
+                continue;
+
+            /* search in entire file */
+            word_start = 0;
+            last_byte = e->buffer.size;
+            esm.edit = e;
+            esm.offset = 0;
+
+            edit_collect_completion_from_one_buffer (FALSE, &compl, srch, &esm, word_start,
+                                                     word_len, last_byte, current_word, max_width);
+        }
+
+        verbose = saved_verbose;
+    }
+
+    status_msg_deinit (STATUS_MSG (&esm));
+    mc_search_free (srch);
+    if (current_word != NULL)
+        g_string_free (current_word, TRUE);
+
+    return compl;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Insert autocompleted word into editor.
+ *
+ * @param edit       editor object
+ * @param completion word for completion
+ * @param word_len   offset from beginning for insert
+ */
+
+static void
+edit_complete_word_insert_recoded_completion (WEdit * edit, char *completion, gsize word_len)
+{
+#ifdef HAVE_CHARSET
+    GString *temp;
+
+    temp = str_convert_to_input (completion);
+    if (temp != NULL)
+    {
+        for (completion = temp->str + word_len; *completion != '\0'; completion++)
+            edit_insert (edit, *completion);
+        g_string_free (temp, TRUE);
+    }
+#else
+    for (completion += word_len; *completion != '\0'; completion++)
+        edit_insert (edit, *completion);
+#endif
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_completion_string_free (gpointer data)
+{
+    g_string_free ((GString *) data, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/* let the user select its preferred completion */
+
+/* Public function for unit tests */
+char *
+edit_completion_dialog_show (const WEdit * edit, GQueue * compl, int max_width)
+{
+    const WRect *we = &CONST_WIDGET (edit)->rect;
+    int start_x, start_y, offset;
+    char *curr = NULL;
+    WDialog *compl_dlg;
+    WListbox *compl_list;
+    int compl_dlg_h;            /* completion dialog height */
+    int compl_dlg_w;            /* completion dialog width */
+    GList *i;
+
+    /* calculate the dialog metrics */
+    compl_dlg_h = g_queue_get_length (compl) + 2;
+    compl_dlg_w = max_width + 4;
+    start_x = we->x + edit->curs_col + edit->start_col + EDIT_TEXT_HORIZONTAL_OFFSET +
+        (edit->fullscreen ? 0 : 1) + edit_options.line_state_width;
+    start_y = we->y + edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + (edit->fullscreen ? 0 : 1) + 1;
+
+    if (start_x < 0)
+        start_x = 0;
+    if (start_x < we->x + 1)
+        start_x = we->x + 1 + edit_options.line_state_width;
+    if (compl_dlg_w > COLS)
+        compl_dlg_w = COLS;
+    if (compl_dlg_h > LINES - 2)
+        compl_dlg_h = LINES - 2;
+
+    offset = start_x + compl_dlg_w - COLS;
+    if (offset > 0)
+        start_x -= offset;
+    offset = start_y + compl_dlg_h - LINES;
+    if (offset > 0)
+        start_y -= offset;
+
+    /* create the dialog */
+    compl_dlg =
+        dlg_create (TRUE, start_y, start_x, compl_dlg_h, compl_dlg_w, WPOS_KEEP_DEFAULT, TRUE,
+                    dialog_colors, NULL, NULL, "[Completion]", NULL);
+
+    /* create the listbox */
+    compl_list = listbox_new (1, 1, compl_dlg_h - 2, compl_dlg_w - 2, FALSE, NULL);
+
+    /* fill the listbox with the completions in the reverse order */
+    for (i = g_queue_peek_tail_link (compl); i != NULL; i = g_list_previous (i))
+        listbox_add_item (compl_list, LISTBOX_APPEND_AT_END, 0, ((GString *) i->data)->str, NULL,
+                          FALSE);
+
+    group_add_widget (GROUP (compl_dlg), compl_list);
+
+    /* pop up the dialog and apply the chosen completion */
+    if (dlg_run (compl_dlg) == B_ENTER)
+    {
+        listbox_get_current (compl_list, &curr, NULL);
+        curr = g_strdup (curr);
+    }
+
+    /* destroy dialog before return */
+    widget_destroy (WIDGET (compl_dlg));
+
+    return curr;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Complete current word using regular expression search
+ * backwards beginning at the current cursor position.
+ */
+
+void
+edit_complete_word_cmd (WEdit * edit)
+{
+    off_t word_start = 0;
+    gsize word_len = 0;
+    GString *match_expr;
+    gsize i;
+    GQueue *compl;              /* completions: list of GString* */
+    int max_width;
+
+    /* search start of word to be completed */
+    if (!edit_buffer_find_word_start (&edit->buffer, &word_start, &word_len))
+        return;
+
+    /* prepare match expression */
+    /* match_expr = g_strdup_printf ("\\b%.*s[a-zA-Z_0-9]+", word_len, bufpos); */
+    match_expr = g_string_new ("(^|\\s+|\\b)");
+    for (i = 0; i < word_len; i++)
+        g_string_append_c (match_expr, edit_buffer_get_byte (&edit->buffer, word_start + i));
+    g_string_append (match_expr,
+                     "[^\\s\\.=\\+\\[\\]\\(\\)\\,\\;\\:\\\"\\'\\-\\?\\/\\|\\\\\\{\\}\\*\\&\\^\\%%\\$#@\\!]+");
+
+    /* collect possible completions */
+    compl = edit_collect_completions (edit, word_start, word_len, match_expr->str, &max_width);
+
+    g_string_free (match_expr, TRUE);
+
+    if (compl == NULL)
+        return;
+
+    if (g_queue_get_length (compl) == 1)
+    {
+        /* insert completed word if there is only one match */
+
+        GString *curr_compl;
+
+        curr_compl = (GString *) g_queue_peek_head (compl);
+        edit_complete_word_insert_recoded_completion (edit, curr_compl->str, word_len);
+    }
+    else
+    {
+        /* more than one possible completion => ask the user */
+
+        char *curr_compl;
+
+        /* let the user select the preferred completion */
+        curr_compl = edit_completion_dialog_show (edit, compl, max_width);
+        if (curr_compl != NULL)
+        {
+            edit_complete_word_insert_recoded_completion (edit, curr_compl, word_len);
+            g_free (curr_compl);
+        }
+    }
+
+    g_queue_free_full (compl, edit_completion_string_free);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editcomplete.h b/src/editor/editcomplete.h
new file mode 100644
index 0000000..90ded8d
--- /dev/null
+++ b/src/editor/editcomplete.h
@@ -0,0 +1,21 @@
+#ifndef MC__EDIT_COMPLETE_H
+#define MC__EDIT_COMPLETE_H
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/* Public function for unit tests */
+char *edit_completion_dialog_show (const WEdit * edit, GQueue * compl, int max_width);
+
+void edit_complete_word_cmd (WEdit * edit);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EDIT_COMPLETE_H */
diff --git a/src/editor/editdraw.c b/src/editor/editdraw.c
new file mode 100644
index 0000000..fbd1e09
--- /dev/null
+++ b/src/editor/editdraw.c
@@ -0,0 +1,1122 @@
+/*
+   Editor text drawing.
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+   Andrew Borodin <aborodin@vmail.ru> 2012-2022
+   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
+ *  \brief Source: editor text drawing
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"        /* tty_printf() */
+#include "lib/tty/key.h"        /* is_idle() */
+#include "lib/skin.h"
+#include "lib/strutil.h"        /* utf string functions */
+#include "lib/util.h"           /* is_printable() */
+#include "lib/widget.h"
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "edit-impl.h"
+#include "editwidget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define MAX_LINE_LEN 1024
+
+/* Text styles */
+#define MOD_ABNORMAL            (1 << 8)
+#define MOD_BOLD                (1 << 9)
+#define MOD_MARKED              (1 << 10)
+#define MOD_CURSOR              (1 << 11)
+#define MOD_WHITESPACE          (1 << 12)
+
+#define edit_move(x,y) widget_gotoyx(edit, y, x);
+
+#define key_pending(x) (!is_idle())
+
+#define EDITOR_MINIMUM_TERMINAL_WIDTH 30
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    unsigned int ch;
+    unsigned int style;
+} line_s;
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+
+static inline void
+printwstr (const char *s, int len)
+{
+    if (len > 0)
+        tty_printf ("%-*.*s", len, len, s);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+status_string (WEdit * edit, char *s, int w)
+{
+    char byte_str[16];
+
+    /*
+     * If we are at the end of file, print <EOF>,
+     * otherwise print the current character as is (if printable),
+     * as decimal and as hex.
+     */
+    if (edit->buffer.curs1 >= edit->buffer.size)
+        strcpy (byte_str, "<EOF>     ");
+#ifdef HAVE_CHARSET
+    else if (edit->utf8)
+    {
+        unsigned int cur_utf;
+        int char_length = 1;
+
+        cur_utf = edit_buffer_get_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+        if (char_length > 0)
+            g_snprintf (byte_str, sizeof (byte_str), "%04u 0x%03X",
+                        (unsigned) cur_utf, (unsigned) cur_utf);
+        else
+        {
+            cur_utf = edit_buffer_get_current_byte (&edit->buffer);
+            g_snprintf (byte_str, sizeof (byte_str), "%04d 0x%03X",
+                        (int) cur_utf, (unsigned) cur_utf);
+        }
+    }
+#endif
+    else
+    {
+        unsigned char cur_byte;
+
+        cur_byte = edit_buffer_get_current_byte (&edit->buffer);
+        g_snprintf (byte_str, sizeof (byte_str), "%4d 0x%03X", (int) cur_byte, (unsigned) cur_byte);
+    }
+
+    /* The field lengths just prevent the status line from shortening too much */
+    if (edit_options.simple_statusbar)
+        g_snprintf (s, w,
+                    "%c%c%c%c %3ld %5ld/%ld %6ld/%ld %s %s",
+                    edit->mark1 != edit->mark2 ? (edit->column_highlight ? 'C' : 'B') : '-',
+                    edit->modified ? 'M' : '-',
+                    macro_index < 0 ? '-' : 'R',
+                    edit->overwrite == 0 ? '-' : 'O',
+                    edit->curs_col + edit->over_col,
+                    edit->buffer.curs_line + 1,
+                    edit->buffer.lines + 1, (long) edit->buffer.curs1, (long) edit->buffer.size,
+                    byte_str,
+#ifdef HAVE_CHARSET
+                    mc_global.source_codepage >= 0 ? get_codepage_id (mc_global.source_codepage) :
+#endif
+                    "");
+    else
+        g_snprintf (s, w,
+                    "[%c%c%c%c] %2ld L:[%3ld+%2ld %3ld/%3ld] *(%-4ld/%4ldb) %s  %s",
+                    edit->mark1 != edit->mark2 ? (edit->column_highlight ? 'C' : 'B') : '-',
+                    edit->modified ? 'M' : '-',
+                    macro_index < 0 ? '-' : 'R',
+                    edit->overwrite == 0 ? '-' : 'O',
+                    edit->curs_col + edit->over_col,
+                    edit->start_line + 1,
+                    edit->curs_row,
+                    edit->buffer.curs_line + 1,
+                    edit->buffer.lines + 1, (long) edit->buffer.curs1, (long) edit->buffer.size,
+                    byte_str,
+#ifdef HAVE_CHARSET
+                    mc_global.source_codepage >= 0 ? get_codepage_id (mc_global.source_codepage) :
+#endif
+                    "");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Draw the status line at the top of the screen for fullscreen editor window.
+ *
+ * @param edit  editor object
+ * @param color color pair
+ */
+
+static inline void
+edit_status_fullscreen (WEdit * edit, int color)
+{
+    Widget *h = WIDGET (WIDGET (edit)->owner);
+    const int w = h->rect.cols;
+    const int gap = 3;          /* between the filename and the status */
+    const int right_gap = 5;    /* at the right end of the screen */
+    const int preferred_fname_len = 16;
+    char *status;
+    size_t status_size;
+    int status_len;
+    const char *fname = "";
+    int fname_len;
+
+    status_size = w + 1;
+    status = g_malloc (status_size);
+    status_string (edit, status, status_size);
+    status_len = (int) str_term_width1 (status);
+
+    if (edit->filename_vpath != NULL)
+    {
+        fname = vfs_path_get_last_path_str (edit->filename_vpath);
+
+        if (!edit_options.state_full_filename)
+            fname = x_basename (fname);
+    }
+
+    fname_len = str_term_width1 (fname);
+    if (fname_len < preferred_fname_len)
+        fname_len = preferred_fname_len;
+
+    if (fname_len + gap + status_len + right_gap >= w)
+    {
+        if (preferred_fname_len + gap + status_len + right_gap >= w)
+            fname_len = preferred_fname_len;
+        else
+            fname_len = w - (gap + status_len + right_gap);
+        fname = str_trunc (fname, fname_len);
+    }
+
+    widget_gotoyx (h, 0, 0);
+    tty_setcolor (color);
+    printwstr (fname, fname_len + gap);
+    printwstr (status, w - (fname_len + gap));
+
+    if (edit_options.simple_statusbar && w > EDITOR_MINIMUM_TERMINAL_WIDTH)
+    {
+        int percent;
+
+        percent = edit_buffer_calc_percent (&edit->buffer, edit->buffer.curs1);
+        widget_gotoyx (h, 0, w - 6 - 6);
+        tty_printf (" %3d%%", percent);
+    }
+
+    g_free (status);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Draw status line for editor window if window is not in fullscreen mode.
+ *
+ * @param edit editor object
+ */
+
+static inline void
+edit_status_window (WEdit * edit)
+{
+    Widget *w = WIDGET (edit);
+    int y, x;
+    int cols = w->rect.cols;
+
+    tty_setcolor (STATUSBAR_COLOR);
+
+    if (cols > 5)
+    {
+        const char *fname = N_("NoName");
+
+        if (edit->filename_vpath != NULL)
+        {
+            fname = vfs_path_get_last_path_str (edit->filename_vpath);
+
+            if (!edit_options.state_full_filename)
+                fname = x_basename (fname);
+        }
+#ifdef ENABLE_NLS
+        else
+            fname = _(fname);
+#endif
+
+        edit_move (2, 0);
+        tty_printf ("[%s]", str_term_trim (fname, w->rect.cols - 8 - 6));
+    }
+
+    tty_getyx (&y, &x);
+    x -= w->rect.x;
+    x += 4;
+    if (x + 6 <= cols - 2 - 6)
+    {
+        edit_move (x, 0);
+        tty_printf ("[%c%c%c%c]",
+                    edit->mark1 != edit->mark2 ? (edit->column_highlight ? 'C' : 'B') : '-',
+                    edit->modified ? 'M' : '-',
+                    macro_index < 0 ? '-' : 'R', edit->overwrite == 0 ? '-' : 'O');
+    }
+
+    if (cols > 30)
+    {
+        edit_move (2, w->rect.lines - 1);
+        tty_printf ("%3ld %5ld/%ld %6ld/%ld",
+                    edit->curs_col + edit->over_col,
+                    edit->buffer.curs_line + 1, edit->buffer.lines + 1, (long) edit->buffer.curs1,
+                    (long) edit->buffer.size);
+    }
+
+    /*
+     * If we are at the end of file, print <EOF>,
+     * otherwise print the current character as is (if printable),
+     * as decimal and as hex.
+     */
+    if (cols > 46)
+    {
+        edit_move (32, w->rect.lines - 1);
+        if (edit->buffer.curs1 >= edit->buffer.size)
+            tty_print_string ("[<EOF>       ]");
+#ifdef HAVE_CHARSET
+        else if (edit->utf8)
+        {
+            unsigned int cur_utf;
+            int char_length = 1;
+
+            cur_utf = edit_buffer_get_utf (&edit->buffer, edit->buffer.curs1, &char_length);
+            if (char_length <= 0)
+                cur_utf = edit_buffer_get_current_byte (&edit->buffer);
+            tty_printf ("[%05u 0x%04X]", cur_utf, cur_utf);
+        }
+#endif
+        else
+        {
+            unsigned char cur_byte;
+
+            cur_byte = edit_buffer_get_current_byte (&edit->buffer);
+            tty_printf ("[%05u 0x%04X]", (unsigned int) cur_byte, (unsigned int) cur_byte);
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Draw a frame around edit area.
+ *
+ * @param edit   editor object
+ * @param color  color pair
+ * @param active TRUE if editor object is focused
+ */
+
+static inline void
+edit_draw_frame (const WEdit * edit, int color, gboolean active)
+{
+    const Widget *w = CONST_WIDGET (edit);
+
+    /* draw a frame around edit area */
+    tty_setcolor (color);
+    /* draw double frame for active window if skin supports that */
+    tty_draw_box (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, !active);
+    /* draw a drag marker */
+    if (edit->drag_state == MCEDIT_DRAG_NONE)
+    {
+        tty_setcolor (EDITOR_FRAME_DRAG);
+        widget_gotoyx (w, w->rect.lines - 1, w->rect.cols - 1);
+        tty_print_alt_char (ACS_LRCORNER, TRUE);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Draw a window control buttons.
+ *
+ * @param edit  editor object
+ * @param color color pair
+ */
+
+static inline void
+edit_draw_window_icons (const WEdit * edit, int color)
+{
+    const Widget *w = CONST_WIDGET (edit);
+    char tmp[17];
+
+    tty_setcolor (color);
+    if (edit->fullscreen)
+        widget_gotoyx (w->owner, 0, WIDGET (w->owner)->rect.cols - 6);
+    else
+        widget_gotoyx (w, 0, w->rect.cols - 8);
+    g_snprintf (tmp, sizeof (tmp), "[%s][%s]", edit_window_state_char, edit_window_close_char);
+    tty_print_string (tmp);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+print_to_widget (WEdit * edit, long row, int start_col, int start_col_real,
+                 long end_col, line_s line[], char *status, int bookmarked)
+{
+    Widget *w = WIDGET (edit);
+    line_s *p;
+    int x, x1, y, cols_to_skip;
+    int i;
+    int wrap_start;
+    int len;
+
+    x = start_col_real;
+    x1 = start_col + EDIT_TEXT_HORIZONTAL_OFFSET + edit_options.line_state_width;
+    y = row + EDIT_TEXT_VERTICAL_OFFSET;
+    cols_to_skip = abs (x);
+
+    if (!edit->fullscreen)
+    {
+        x1++;
+        y++;
+    }
+
+    tty_setcolor (EDITOR_NORMAL_COLOR);
+    if (bookmarked != 0)
+        tty_setcolor (bookmarked);
+
+    len = end_col + 1 - start_col;
+    wrap_start = edit_options.word_wrap_line_length + edit->start_col;
+
+    if (len > 0 && w->rect.y + y >= 0)
+    {
+        if (!edit_options.show_right_margin || wrap_start > end_col)
+            tty_draw_hline (w->rect.y + y, w->rect.x + x1, ' ', len);
+        else if (wrap_start < 0)
+        {
+            tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
+            tty_draw_hline (w->rect.y + y, w->rect.x + x1, ' ', len);
+        }
+        else
+        {
+            if (wrap_start > 0)
+                tty_draw_hline (w->rect.y + y, w->rect.x + x1, ' ', wrap_start);
+
+            len -= wrap_start;
+            if (len > 0)
+            {
+                tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
+                tty_draw_hline (w->rect.y + y, w->rect.x + x1 + wrap_start, ' ', len);
+            }
+        }
+    }
+
+    if (edit_options.line_state)
+    {
+        tty_setcolor (LINE_STATE_COLOR);
+
+        for (i = 0; i < LINE_STATE_WIDTH; i++)
+        {
+            edit_move (x1 + i - edit_options.line_state_width, y);
+            if (status[i] == '\0')
+                status[i] = ' ';
+            tty_print_char (status[i]);
+        }
+    }
+
+    edit_move (x1, y);
+
+    i = 1;
+    for (p = line; p->ch != 0; p++)
+    {
+        int style;
+        unsigned int textchar;
+        int color;
+
+        if (cols_to_skip != 0)
+        {
+            cols_to_skip--;
+            continue;
+        }
+
+        style = p->style & 0xFF00;
+        textchar = p->ch;
+        /* If non-printable - use black background */
+        color = (style & MOD_ABNORMAL) != 0 ? 0 : p->style >> 16;
+
+        if ((style & MOD_WHITESPACE) != 0)
+        {
+            if ((style & MOD_MARKED) == 0)
+                tty_setcolor (EDITOR_WHITESPACE_COLOR);
+            else
+            {
+                textchar = ' ';
+                tty_setcolor (EDITOR_MARKED_COLOR);
+            }
+        }
+        else if ((style & MOD_BOLD) != 0)
+            tty_setcolor (EDITOR_BOLD_COLOR);
+        else if ((style & MOD_MARKED) != 0)
+            tty_setcolor (EDITOR_MARKED_COLOR);
+        else
+            tty_lowlevel_setcolor (color);
+
+        if (edit_options.show_right_margin)
+        {
+            if (i > edit_options.word_wrap_line_length + edit->start_col)
+                tty_setcolor (EDITOR_RIGHT_MARGIN_COLOR);
+            i++;
+        }
+
+        tty_print_anychar (textchar);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** b is a pointer to the beginning of the line */
+
+static void
+edit_draw_this_line (WEdit * edit, off_t b, long row, long start_col, long end_col)
+{
+    Widget *w = WIDGET (edit);
+    line_s line[MAX_LINE_LEN];
+    line_s *p = line;
+    off_t q;
+    int col, start_col_real;
+    int abn_style;
+    int book_mark = 0;
+    char line_stat[LINE_STATE_WIDTH + 1] = "\0";
+
+    if (row > w->rect.lines - 1 - EDIT_TEXT_VERTICAL_OFFSET - 2 * (edit->fullscreen ? 0 : 1))
+        return;
+
+    if (book_mark_query_color (edit, edit->start_line + row, BOOK_MARK_COLOR))
+        book_mark = BOOK_MARK_COLOR;
+    else if (book_mark_query_color (edit, edit->start_line + row, BOOK_MARK_FOUND_COLOR))
+        book_mark = BOOK_MARK_FOUND_COLOR;
+
+    if (book_mark != 0)
+        abn_style = book_mark << 16;
+    else
+        abn_style = MOD_ABNORMAL;
+
+    end_col -= EDIT_TEXT_HORIZONTAL_OFFSET + edit_options.line_state_width;
+    if (!edit->fullscreen)
+    {
+        end_col--;
+        if (w->rect.x + w->rect.cols <= WIDGET (w->owner)->rect.cols)
+            end_col--;
+    }
+
+    q = edit_move_forward3 (edit, b, start_col - edit->start_col, 0);
+    col = (int) edit_move_forward3 (edit, b, 0, q);
+    start_col_real = col + edit->start_col;
+
+    if (edit_options.line_state)
+    {
+        long cur_line;
+
+        cur_line = edit->start_line + row;
+        if (cur_line <= edit->buffer.lines)
+            g_snprintf (line_stat, sizeof (line_stat), "%7ld ", cur_line + 1);
+        else
+        {
+            memset (line_stat, ' ', LINE_STATE_WIDTH);
+            line_stat[LINE_STATE_WIDTH] = '\0';
+        }
+
+        if (book_mark_query_color (edit, cur_line, BOOK_MARK_COLOR))
+            g_snprintf (line_stat, 2, "*");
+    }
+
+    if (col <= -(edit->start_col + 16))
+        start_col_real = start_col = 0;
+    else
+    {
+        off_t m1 = 0, m2 = 0;
+
+        eval_marks (edit, &m1, &m2);
+
+        if (row <= edit->buffer.lines - edit->start_line)
+        {
+            off_t tws = 0;
+
+            if (edit_options.visible_tws && tty_use_colors ())
+                for (tws = edit_buffer_get_eol (&edit->buffer, b); tws > b; tws--)
+                {
+                    unsigned int c;
+
+                    c = edit_buffer_get_byte (&edit->buffer, tws - 1);
+                    if (!whitespace (c))
+                        break;
+                }
+
+            while (col <= end_col - edit->start_col)
+            {
+                int char_length = 1;
+                unsigned int c;
+                gboolean wide_width_char = FALSE;
+                gboolean control_char = FALSE;
+
+                p->ch = 0;
+                p->style = q == edit->buffer.curs1 ? MOD_CURSOR : 0;
+
+                if (q >= m1 && q < m2)
+                {
+                    if (!edit->column_highlight)
+                        p->style |= MOD_MARKED;
+                    else
+                    {
+                        long x, cl;
+
+                        x = (long) edit_move_forward3 (edit, b, 0, q);
+                        cl = MIN (edit->column1, edit->column2);
+                        if (x >= cl)
+                        {
+                            cl = MAX (edit->column1, edit->column2);
+                            if (x < cl)
+                                p->style |= MOD_MARKED;
+                        }
+                    }
+                }
+
+                if (q == edit->bracket)
+                    p->style |= MOD_BOLD;
+                if (q >= edit->found_start && q < (off_t) (edit->found_start + edit->found_len))
+                    p->style |= MOD_BOLD;
+
+#ifdef HAVE_CHARSET
+                if (edit->utf8)
+                    c = edit_buffer_get_utf (&edit->buffer, q, &char_length);
+                else
+#endif
+                    c = edit_buffer_get_byte (&edit->buffer, q);
+
+                /* we don't use bg for mc - fg contains both */
+                if (book_mark != 0)
+                    p->style |= book_mark << 16;
+                else
+                {
+                    int color;
+
+                    color = edit_get_syntax_color (edit, q);
+                    p->style |= color << 16;
+                }
+
+                switch (c)
+                {
+                case '\n':
+                    col = end_col - edit->start_col + 1;        /* quit */
+                    break;
+
+                case '\t':
+                    {
+                        int tab_over;
+                        int i;
+
+                        i = TAB_SIZE - ((int) col % TAB_SIZE);
+                        tab_over = (end_col - edit->start_col) - (col + i - 1);
+                        if (tab_over < 0)
+                            i += tab_over;
+                        col += i;
+                        if ((edit_options.visible_tabs || (edit_options.visible_tws && q >= tws))
+                            && enable_show_tabs_tws && tty_use_colors ())
+                        {
+                            if ((p->style & MOD_MARKED) != 0)
+                                c = p->style;
+                            else if (book_mark != 0)
+                                c |= book_mark << 16;
+                            else
+                                c = p->style | MOD_WHITESPACE;
+                            if (i > 2)
+                            {
+                                p->ch = '<';
+                                p->style = c;
+                                p++;
+                                while (--i > 1)
+                                {
+                                    p->ch = '-';
+                                    p->style = c;
+                                    p++;
+                                }
+                                p->ch = '>';
+                                p->style = c;
+                                p++;
+                            }
+                            else if (i > 1)
+                            {
+                                p->ch = '<';
+                                p->style = c;
+                                p++;
+                                p->ch = '>';
+                                p->style = c;
+                                p++;
+                            }
+                            else
+                            {
+                                p->ch = '>';
+                                p->style = c;
+                                p++;
+                            }
+                        }
+                        else if (edit_options.visible_tws && q >= tws && enable_show_tabs_tws
+                                 && tty_use_colors ())
+                        {
+                            p->ch = '.';
+                            p->style |= MOD_WHITESPACE;
+                            c = p->style & ~MOD_CURSOR;
+                            p++;
+                            while (--i != 0)
+                            {
+                                p->ch = ' ';
+                                p->style = c;
+                                p++;
+                            }
+                        }
+                        else
+                        {
+                            p->ch |= ' ';
+                            c = p->style & ~MOD_CURSOR;
+                            p++;
+                            while (--i != 0)
+                            {
+                                p->ch = ' ';
+                                p->style = c;
+                                p++;
+                            }
+                        }
+                    }
+                    break;
+
+                case ' ':
+                    if (edit_options.visible_tws && q >= tws && enable_show_tabs_tws
+                        && tty_use_colors ())
+                    {
+                        p->ch = '.';
+                        p->style |= MOD_WHITESPACE;
+                        p++;
+                        col++;
+                        break;
+                    }
+                    MC_FALLTHROUGH;
+
+                default:
+#ifdef HAVE_CHARSET
+                    if (mc_global.utf8_display)
+                    {
+                        if (!edit->utf8)
+                            c = convert_from_8bit_to_utf_c ((unsigned char) c, edit->converter);
+                        else if (g_unichar_iswide (c))
+                        {
+                            wide_width_char = TRUE;
+                            col++;
+                        }
+                    }
+                    else if (edit->utf8)
+                        c = convert_from_utf_to_current_c (c, edit->converter);
+                    else
+                        c = convert_to_display_c (c);
+#endif
+
+                    /* Caret notation for control characters */
+                    if (c < 32)
+                    {
+                        p->ch = '^';
+                        p->style = abn_style;
+                        p++;
+                        p->ch = c + 0x40;
+                        p->style = abn_style;
+                        p++;
+                        col += 2;
+                        control_char = TRUE;
+                        break;
+                    }
+                    if (c == 127)
+                    {
+                        p->ch = '^';
+                        p->style = abn_style;
+                        p++;
+                        p->ch = '?';
+                        p->style = abn_style;
+                        p++;
+                        col += 2;
+                        control_char = TRUE;
+                        break;
+                    }
+#ifdef HAVE_CHARSET
+                    if (edit->utf8)
+                    {
+                        if (g_unichar_isprint (c))
+                            p->ch = c;
+                        else
+                        {
+                            p->ch = '.';
+                            p->style = abn_style;
+                        }
+                        p++;
+                    }
+                    else
+#endif
+                    {
+                        if ((mc_global.utf8_display && g_unichar_isprint (c)) ||
+                            (!mc_global.utf8_display && is_printable (c)))
+                        {
+                            p->ch = c;
+                            p++;
+                        }
+                        else
+                        {
+                            p->ch = '.';
+                            p->style = abn_style;
+                            p++;
+                        }
+                    }
+                    col++;
+                    break;
+                }               /* case */
+
+                q++;
+                if (char_length > 1)
+                    q += char_length - 1;
+
+                if (col > (end_col - edit->start_col + 1))
+                {
+                    if (wide_width_char)
+                    {
+                        p--;
+                        break;
+                    }
+                    if (control_char)
+                    {
+                        p -= 2;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    p->ch = 0;
+
+    print_to_widget (edit, row, start_col, start_col_real, end_col, line, line_stat, book_mark);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_draw_this_char (WEdit * edit, off_t curs, long row, long start_column, long end_column)
+{
+    off_t b;
+
+    b = edit_buffer_get_bol (&edit->buffer, curs);
+    edit_draw_this_line (edit, b, row, start_column, end_column);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** cursor must be in screen for other than REDRAW_PAGE passed in force */
+
+static inline void
+render_edit_text (WEdit * edit, long start_row, long start_column, long end_row, long end_column)
+{
+    static long prev_curs_row = 0;
+    static off_t prev_curs = 0;
+
+    Widget *we = WIDGET (edit);
+    Widget *wh = WIDGET (we->owner);
+    WRect *w = &we->rect;
+
+    int force = edit->force;
+    int y1, x1, y2, x2;
+    int last_line, last_column;
+
+    /* draw only visible region */
+
+    last_line = wh->rect.y + wh->rect.lines - 1;
+
+    y1 = w->y;
+    if (y1 > last_line - 1 /* buttonbar */ )
+        return;
+
+    last_column = wh->rect.x + wh->rect.cols - 1;
+
+    x1 = w->x;
+    if (x1 > last_column)
+        return;
+
+    y2 = w->y + w->lines - 1;
+    if (y2 < wh->rect.y + 1 /* menubar */ )
+        return;
+
+    x2 = w->x + w->cols - 1;
+    if (x2 < wh->rect.x)
+        return;
+
+    if ((force & REDRAW_IN_BOUNDS) == 0)
+    {
+        /* !REDRAW_IN_BOUNDS means to ignore bounds and redraw whole rows */
+        /* draw only visible region */
+
+        if (y2 <= last_line - 1 /* buttonbar */ )
+            end_row = w->lines - 1;
+        else if (y1 >= wh->rect.y + 1 /* menubar */ )
+            end_row = wh->rect.lines - 1 - y1 - 1;
+        else
+            end_row = start_row + wh->rect.lines - 1 - 1;
+
+        if (x2 <= last_column)
+            end_column = w->cols - 1;
+        else if (x1 >= wh->rect.x)
+            end_column = wh->rect.cols - 1 - x1;
+        else
+            end_column = start_column + wh->rect.cols - 1;
+    }
+
+    /*
+     * If the position of the page has not moved then we can draw the cursor
+     * character only.  This will prevent line flicker when using arrow keys.
+     */
+    if ((force & REDRAW_CHAR_ONLY) == 0 || (force & REDRAW_PAGE) != 0)
+    {
+        long row = 0;
+        long b;
+
+        if ((force & REDRAW_PAGE) != 0)
+        {
+            b = edit_buffer_get_forward_offset (&edit->buffer, edit->start_display, start_row, 0);
+            for (row = start_row; row <= end_row; row++)
+            {
+                if (key_pending (edit))
+                    return;
+                edit_draw_this_line (edit, b, row, start_column, end_column);
+                b = edit_buffer_get_forward_offset (&edit->buffer, b, 1, 0);
+            }
+        }
+        else
+        {
+            long curs_row = edit->curs_row;
+
+            if ((force & REDRAW_BEFORE_CURSOR) != 0 && start_row < curs_row)
+            {
+                long upto;
+
+                b = edit->start_display;
+                upto = MIN (curs_row - 1, end_row);
+                for (row = start_row; row <= upto; row++)
+                {
+                    if (key_pending (edit))
+                        return;
+                    edit_draw_this_line (edit, b, row, start_column, end_column);
+                    b = edit_buffer_get_forward_offset (&edit->buffer, b, 1, 0);
+                }
+            }
+
+            /*          if (force & REDRAW_LINE)          ---> default */
+            b = edit_buffer_get_current_bol (&edit->buffer);
+            if (curs_row >= start_row && curs_row <= end_row)
+            {
+                if (key_pending (edit))
+                    return;
+                edit_draw_this_line (edit, b, curs_row, start_column, end_column);
+            }
+
+            if ((force & REDRAW_AFTER_CURSOR) != 0 && end_row > curs_row)
+            {
+                b = edit_buffer_get_forward_offset (&edit->buffer, b, 1, 0);
+                for (row = MAX (curs_row + 1, start_row); row <= end_row; row++)
+                {
+                    if (key_pending (edit))
+                        return;
+                    edit_draw_this_line (edit, b, row, start_column, end_column);
+                    b = edit_buffer_get_forward_offset (&edit->buffer, b, 1, 0);
+                }
+            }
+
+            if ((force & REDRAW_LINE_ABOVE) != 0 && curs_row >= 1)
+            {
+                row = curs_row - 1;
+                b = edit_buffer_get_backward_offset (&edit->buffer,
+                                                     edit_buffer_get_current_bol (&edit->buffer),
+                                                     1);
+                if (row >= start_row && row <= end_row)
+                {
+                    if (key_pending (edit))
+                        return;
+                    edit_draw_this_line (edit, b, row, start_column, end_column);
+                }
+            }
+
+            if ((force & REDRAW_LINE_BELOW) != 0 && row < w->lines - 1)
+            {
+                row = curs_row + 1;
+                b = edit_buffer_get_current_bol (&edit->buffer);
+                b = edit_buffer_get_forward_offset (&edit->buffer, b, 1, 0);
+                if (row >= start_row && row <= end_row)
+                {
+                    if (key_pending (edit))
+                        return;
+                    edit_draw_this_line (edit, b, row, start_column, end_column);
+                }
+            }
+        }
+    }
+    else if (prev_curs_row < edit->curs_row)
+    {
+        /* with the new text highlighting, we must draw from the top down */
+        edit_draw_this_char (edit, prev_curs, prev_curs_row, start_column, end_column);
+        edit_draw_this_char (edit, edit->buffer.curs1, edit->curs_row, start_column, end_column);
+    }
+    else
+    {
+        edit_draw_this_char (edit, edit->buffer.curs1, edit->curs_row, start_column, end_column);
+        edit_draw_this_char (edit, prev_curs, prev_curs_row, start_column, end_column);
+    }
+
+    edit->force = 0;
+
+    prev_curs_row = edit->curs_row;
+    prev_curs = edit->buffer.curs1;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_render (WEdit * edit, int page, int row_start, int col_start, int row_end, int col_end)
+{
+    if (page != 0)              /* if it was an expose event, 'page' would be set */
+        edit->force |= REDRAW_PAGE | REDRAW_IN_BOUNDS;
+
+    render_edit_text (edit, row_start, col_start, row_end, col_end);
+
+    /*
+     * edit->force != 0 means a key was pending and the redraw
+     * was halted, so next time we must redraw everything in case stuff
+     * was left undrawn from a previous key press.
+     */
+    if (edit->force != 0)
+        edit->force |= REDRAW_PAGE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_status (WEdit * edit, gboolean active)
+{
+    int color;
+
+    if (edit->fullscreen)
+    {
+        color = STATUSBAR_COLOR;
+        edit_status_fullscreen (edit, color);
+    }
+    else
+    {
+        color = edit->drag_state != MCEDIT_DRAG_NONE ? EDITOR_FRAME_DRAG : active ?
+            EDITOR_FRAME_ACTIVE : EDITOR_FRAME;
+        edit_draw_frame (edit, color, active);
+        edit_status_window (edit);
+    }
+
+    edit_draw_window_icons (edit, color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** this scrolls the text so that cursor is on the screen */
+void
+edit_scroll_screen_over_cursor (WEdit * edit)
+{
+    WRect *w = &WIDGET (edit)->rect;
+
+    long p;
+    long outby;
+    int b_extreme, t_extreme, l_extreme, r_extreme;
+
+    if (w->lines <= 0 || w->cols <= 0)
+        return;
+
+    rect_resize (w, -EDIT_TEXT_VERTICAL_OFFSET,
+                 -(EDIT_TEXT_HORIZONTAL_OFFSET + edit_options.line_state_width));
+
+    if (!edit->fullscreen)
+        rect_grow (w, -1, -1);
+
+    r_extreme = EDIT_RIGHT_EXTREME;
+    l_extreme = EDIT_LEFT_EXTREME;
+    b_extreme = EDIT_BOTTOM_EXTREME;
+    t_extreme = EDIT_TOP_EXTREME;
+    if (edit->found_len != 0)
+    {
+        b_extreme = MAX (w->lines / 4, b_extreme);
+        t_extreme = MAX (w->lines / 4, t_extreme);
+    }
+    if (b_extreme + t_extreme + 1 > w->lines)
+    {
+        int n;
+
+        n = b_extreme + t_extreme;
+        if (n == 0)
+            n = 1;
+        b_extreme = (b_extreme * (w->lines - 1)) / n;
+        t_extreme = (t_extreme * (w->lines - 1)) / n;
+    }
+    if (l_extreme + r_extreme + 1 > w->cols)
+    {
+        int n;
+
+        n = l_extreme + r_extreme;
+        if (n == 0)
+            n = 1;
+        l_extreme = (l_extreme * (w->cols - 1)) / n;
+        r_extreme = (r_extreme * (w->cols - 1)) / n;
+    }
+    p = edit_get_col (edit) + edit->over_col;
+    edit_update_curs_row (edit);
+    outby = p + edit->start_col - w->cols + 1 + (r_extreme + edit->found_len);
+    if (outby > 0)
+        edit_scroll_right (edit, outby);
+    outby = l_extreme - p - edit->start_col;
+    if (outby > 0)
+        edit_scroll_left (edit, outby);
+    p = edit->curs_row;
+    outby = p - w->lines + 1 + b_extreme;
+    if (outby > 0)
+        edit_scroll_downward (edit, outby);
+    outby = t_extreme - p;
+    if (outby > 0)
+        edit_scroll_upward (edit, outby);
+    edit_update_curs_row (edit);
+
+    rect_resize (w, EDIT_TEXT_VERTICAL_OFFSET,
+                 EDIT_TEXT_HORIZONTAL_OFFSET + edit_options.line_state_width);
+    if (!edit->fullscreen)
+        rect_grow (w, 1, 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_render_keypress (WEdit * edit)
+{
+    edit_render (edit, 0, 0, 0, 0, 0);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editmacros.c b/src/editor/editmacros.c
new file mode 100644
index 0000000..8545d67
--- /dev/null
+++ b/src/editor/editmacros.c
@@ -0,0 +1,437 @@
+/*
+   Editor macros engine
+
+   Copyright (C) 2001-2023
+   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 <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/mcconfig.h"
+#include "lib/tty/key.h"        /* tty_keyname_to_keycode*() */
+#include "lib/keybind.h"        /* keybind_lookup_actionname() */
+#include "lib/fileloc.h"
+
+#include "src/setup.h"          /* macro_action_t */
+#include "src/history.h"        /* MC_HISTORY_EDIT_REPEAT */
+
+#include "editwidget.h"
+
+#include "editmacros.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+edit_macro_comparator (gconstpointer * macro1, gconstpointer * macro2)
+{
+    const macros_t *m1 = (const macros_t *) macro1;
+    const macros_t *m2 = (const macros_t *) macro2;
+
+    return m1->hotkey - m2->hotkey;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_macro_sort_by_hotkey (void)
+{
+    if (macros_list != NULL && macros_list->len != 0)
+        g_array_sort (macros_list, (GCompareFunc) edit_macro_comparator);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+edit_get_macro (WEdit * edit, int hotkey)
+{
+    macros_t *array_start;
+    macros_t *result;
+    macros_t search_macro = {
+        .hotkey = hotkey
+    };
+
+    (void) edit;
+
+    result = bsearch (&search_macro, macros_list->data, macros_list->len,
+                      sizeof (macros_t), (GCompareFunc) edit_macro_comparator);
+
+    if (result == NULL || result->macro == NULL)
+        return (-1);
+
+    array_start = &g_array_index (macros_list, struct macros_t, 0);
+
+    return (int) (result - array_start);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** returns FALSE on error */
+static gboolean
+edit_delete_macro (WEdit * edit, int hotkey)
+{
+    mc_config_t *macros_config = NULL;
+    const char *section_name = "editor";
+    gchar *macros_fname;
+    int indx;
+    char *skeyname;
+
+    /* clear array of actions for current hotkey */
+    while ((indx = edit_get_macro (edit, hotkey)) != -1)
+    {
+        macros_t *macros;
+
+        macros = &g_array_index (macros_list, struct macros_t, indx);
+        g_array_free (macros->macro, TRUE);
+        g_array_remove_index (macros_list, indx);
+    }
+
+    macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
+    macros_config = mc_config_init (macros_fname, FALSE);
+    g_free (macros_fname);
+
+    if (macros_config == NULL)
+        return FALSE;
+
+    skeyname = tty_keycode_to_keyname (hotkey);
+    while (mc_config_del_key (macros_config, section_name, skeyname))
+        ;
+    g_free (skeyname);
+    mc_config_save_file (macros_config, NULL);
+    mc_config_deinit (macros_config);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/** returns FALSE on error */
+gboolean
+edit_store_macro_cmd (WEdit * edit)
+{
+    int i;
+    int hotkey;
+    GString *macros_string = NULL;
+    const char *section_name = "editor";
+    gchar *macros_fname;
+    GArray *macros = NULL;
+    int tmp_act;
+    mc_config_t *macros_config;
+    char *skeyname;
+
+    hotkey =
+        editcmd_dialog_raw_key_query (_("Save macro"), _("Press the macro's new hotkey:"), TRUE);
+    if (hotkey == ESC_CHAR)
+        return FALSE;
+
+    tmp_act = keybind_lookup_keymap_command (WIDGET (edit)->keymap, hotkey);
+    /* return FALSE if try assign macro into restricted hotkeys */
+    if (tmp_act == CK_MacroStartRecord
+        || tmp_act == CK_MacroStopRecord || tmp_act == CK_MacroStartStopRecord)
+        return FALSE;
+
+    edit_delete_macro (edit, hotkey);
+
+    macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
+    macros_config = mc_config_init (macros_fname, FALSE);
+    g_free (macros_fname);
+
+    if (macros_config == NULL)
+        return FALSE;
+
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+    skeyname = tty_keycode_to_keyname (hotkey);
+
+    for (i = 0; i < macro_index; i++)
+    {
+        macro_action_t m_act;
+        const char *action_name;
+
+        action_name = keybind_lookup_actionname (record_macro_buf[i].action);
+        if (action_name == NULL)
+            break;
+
+        if (macros == NULL)
+        {
+            macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
+            macros_string = g_string_sized_new (250);
+        }
+
+        m_act.action = record_macro_buf[i].action;
+        m_act.ch = record_macro_buf[i].ch;
+        g_array_append_val (macros, m_act);
+        g_string_append_printf (macros_string, "%s:%i;", action_name, (int) record_macro_buf[i].ch);
+    }
+
+    if (macros == NULL)
+        mc_config_del_key (macros_config, section_name, skeyname);
+    else
+    {
+        macros_t macro;
+
+        macro.hotkey = hotkey;
+        macro.macro = macros;
+        g_array_append_val (macros_list, macro);
+        mc_config_set_string (macros_config, section_name, skeyname, macros_string->str);
+    }
+
+    g_free (skeyname);
+
+    edit_macro_sort_by_hotkey ();
+
+    if (macros_string != NULL)
+        g_string_free (macros_string, TRUE);
+    mc_config_save_file (macros_config, NULL);
+    mc_config_deinit (macros_config);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** return FALSE on error */
+
+gboolean
+edit_load_macro_cmd (WEdit * edit)
+{
+    mc_config_t *macros_config = NULL;
+    gchar **profile_keys, **keys;
+    gchar **values, **curr_values;
+    const char *section_name = "editor";
+    gchar *macros_fname;
+
+    (void) edit;
+
+    if (macros_list == NULL || macros_list->len != 0)
+        return FALSE;
+
+    macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
+    macros_config = mc_config_init (macros_fname, TRUE);
+    g_free (macros_fname);
+
+    if (macros_config == NULL)
+        return FALSE;
+
+    keys = mc_config_get_keys (macros_config, section_name, NULL);
+
+    for (profile_keys = keys; *profile_keys != NULL; profile_keys++)
+    {
+        int hotkey;
+        GArray *macros = NULL;
+
+        values = mc_config_get_string_list (macros_config, section_name, *profile_keys, NULL);
+        hotkey = tty_keyname_to_keycode (*profile_keys, NULL);
+
+        for (curr_values = values; *curr_values != NULL && *curr_values[0] != '\0'; curr_values++)
+        {
+            char **macro_pair;
+
+            macro_pair = g_strsplit (*curr_values, ":", 2);
+
+            if (macro_pair != NULL)
+            {
+                macro_action_t m_act = {
+                    .action = 0,
+                    .ch = -1
+                };
+
+                if (macro_pair[0] != NULL && macro_pair[0][0] != '\0')
+                    m_act.action = keybind_lookup_action (macro_pair[0]);
+
+                if (macro_pair[1] != NULL && macro_pair[1][0] != '\0')
+                    m_act.ch = strtol (macro_pair[1], NULL, 0);
+
+                if (m_act.action != 0)
+                {
+                    /* a shell command */
+                    if ((m_act.action / CK_PipeBlock (0)) == 1)
+                    {
+                        m_act.action = CK_PipeBlock (0);
+                        if (m_act.ch > 0)
+                            m_act.action += m_act.ch;
+                        m_act.ch = -1;
+                    }
+
+                    if (macros == NULL)
+                        macros = g_array_new (TRUE, FALSE, sizeof (m_act));
+
+                    g_array_append_val (macros, m_act);
+                }
+
+                g_strfreev (macro_pair);
+            }
+        }
+
+        if (macros != NULL)
+        {
+            macros_t macro = {
+                .hotkey = hotkey,
+                .macro = macros
+            };
+
+            g_array_append_val (macros_list, macro);
+        }
+
+        g_strfreev (values);
+    }
+
+    g_strfreev (keys);
+    mc_config_deinit (macros_config);
+    edit_macro_sort_by_hotkey ();
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_delete_macro_cmd (WEdit * edit)
+{
+    int hotkey;
+
+    hotkey = editcmd_dialog_raw_key_query (_("Delete macro"), _("Press macro hotkey:"), TRUE);
+
+    if (hotkey != 0 && !edit_delete_macro (edit, hotkey))
+        message (D_ERROR, _("Delete macro"), _("Macro not deleted"));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_repeat_macro_cmd (WEdit * edit)
+{
+    gboolean ok;
+    char *f;
+    long count_repeat = 0;
+
+    f = input_dialog (_("Repeat last commands"), _("Repeat times:"), MC_HISTORY_EDIT_REPEAT, NULL,
+                      INPUT_COMPLETE_NONE);
+    ok = (f != NULL && *f != '\0');
+
+    if (ok)
+    {
+        char *error = NULL;
+
+        count_repeat = strtol (f, &error, 0);
+
+        ok = (*error == '\0');
+    }
+
+    g_free (f);
+
+    if (ok)
+    {
+        int i, j;
+
+        edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+        edit->force |= REDRAW_PAGE;
+
+        for (j = 0; j < count_repeat; j++)
+            for (i = 0; i < macro_index; i++)
+                edit_execute_cmd (edit, record_macro_buf[i].action, record_macro_buf[i].ch);
+
+        edit_update_screen (edit);
+    }
+
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** returns FALSE on error */
+gboolean
+edit_execute_macro (WEdit * edit, int hotkey)
+{
+    gboolean res = FALSE;
+
+    if (hotkey != 0)
+    {
+        int indx;
+
+        indx = edit_get_macro (edit, hotkey);
+        if (indx != -1)
+        {
+            const macros_t *macros;
+
+            macros = &g_array_index (macros_list, struct macros_t, indx);
+            if (macros->macro->len != 0)
+            {
+                guint i;
+
+                edit->force |= REDRAW_PAGE;
+
+                for (i = 0; i < macros->macro->len; i++)
+                {
+                    const macro_action_t *m_act;
+
+                    m_act = &g_array_index (macros->macro, struct macro_action_t, i);
+                    edit_execute_cmd (edit, m_act->action, m_act->ch);
+                    res = TRUE;
+                }
+            }
+        }
+    }
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_begin_end_macro_cmd (WEdit * edit)
+{
+    /* edit is a pointer to the widget */
+    if (edit != NULL)
+    {
+        long command = macro_index < 0 ? CK_MacroStartRecord : CK_MacroStopRecord;
+
+        edit_execute_key_command (edit, command, -1);
+    }
+}
+
+ /* --------------------------------------------------------------------------------------------- */
+
+void
+edit_begin_end_repeat_cmd (WEdit * edit)
+{
+    /* edit is a pointer to the widget */
+    if (edit != NULL)
+    {
+        long command = macro_index < 0 ? CK_RepeatStartRecord : CK_RepeatStopRecord;
+
+        edit_execute_key_command (edit, command, -1);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editmacros.h b/src/editor/editmacros.h
new file mode 100644
index 0000000..5d234e0
--- /dev/null
+++ b/src/editor/editmacros.h
@@ -0,0 +1,24 @@
+#ifndef MC__EDIT_MACROS_H
+#define MC__EDIT_MACROS_H 1
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+int edit_store_macro_cmd (WEdit * edit);
+gboolean edit_load_macro_cmd (WEdit * edit);
+void edit_delete_macro_cmd (WEdit * edit);
+gboolean edit_repeat_macro_cmd (WEdit * edit);
+gboolean edit_execute_macro (WEdit * edit, int hotkey);
+void edit_begin_end_macro_cmd (WEdit * edit);
+void edit_begin_end_repeat_cmd (WEdit * edit);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EDIT_MACROS_H */
diff --git a/src/editor/editmenu.c b/src/editor/editmenu.c
new file mode 100644
index 0000000..3509fa2
--- /dev/null
+++ b/src/editor/editmenu.c
@@ -0,0 +1,338 @@
+/*
+   Editor menu definitions and initialisation
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+   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/>.
+ */
+
+/** \file
+ *  \brief Source: editor menu definitions and initialisation
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"        /* KEY_F */
+#include "lib/tty/key.h"        /* XCTRL */
+#include "lib/widget.h"
+
+#include "src/setup.h"          /* drop_menus */
+#include "src/keymap.h"
+
+#include "edit-impl.h"
+#include "editwidget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_file_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&Open file..."), CK_EditFile));
+    entries = g_list_prepend (entries, menu_entry_new (_("&New"), CK_EditNew));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Close"), CK_Close));
+    entries = g_list_prepend (entries, menu_entry_new (_("&History..."), CK_History));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Save"), CK_Save));
+    entries = g_list_prepend (entries, menu_entry_new (_("Save &as..."), CK_SaveAs));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Insert file..."), CK_InsertFile));
+    entries = g_list_prepend (entries, menu_entry_new (_("Cop&y to file..."), CK_BlockSave));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&User menu..."), CK_UserMenu));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("A&bout..."), CK_About));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Quit"), CK_Quit));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_edit_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&Undo"), CK_Undo));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Redo"), CK_Redo));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Toggle ins/overw"), CK_InsertOverwrite));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("To&ggle mark"), CK_Mark));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Mark columns"), CK_MarkColumn));
+    entries = g_list_prepend (entries, menu_entry_new (_("Mark &all"), CK_MarkAll));
+    entries = g_list_prepend (entries, menu_entry_new (_("Unmar&k"), CK_Unmark));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("Cop&y"), CK_Copy));
+    entries = g_list_prepend (entries, menu_entry_new (_("Mo&ve"), CK_Move));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Delete"), CK_Remove));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("Co&py to clipfile"), CK_Store));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Cut to clipfile"), CK_Cut));
+    entries = g_list_prepend (entries, menu_entry_new (_("Pa&ste from clipfile"), CK_Paste));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Beginning"), CK_Top));
+    entries = g_list_prepend (entries, menu_entry_new (_("&End"), CK_Bottom));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_search_replace_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&Search..."), CK_Search));
+    entries = g_list_prepend (entries, menu_entry_new (_("Search &again"), CK_SearchContinue));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Replace..."), CK_Replace));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Toggle bookmark"), CK_Bookmark));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Next bookmark"), CK_BookmarkNext));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Prev bookmark"), CK_BookmarkPrev));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Flush bookmarks"), CK_BookmarkFlush));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_command_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&Go to line..."), CK_Goto));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Toggle line state"), CK_ShowNumbers));
+    entries =
+        g_list_prepend (entries, menu_entry_new (_("Go to matching &bracket"), CK_MatchBracket));
+    entries =
+        g_list_prepend (entries, menu_entry_new (_("Toggle s&yntax highlighting"), CK_SyntaxOnOff));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Find declaration"), CK_Find));
+    entries = g_list_prepend (entries, menu_entry_new (_("Back from &declaration"), CK_FilePrev));
+    entries = g_list_prepend (entries, menu_entry_new (_("For&ward to declaration"), CK_FileNext));
+#ifdef HAVE_CHARSET
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("Encod&ing..."), CK_SelectCodepage));
+#endif
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Refresh screen"), CK_Refresh));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries =
+        g_list_prepend (entries,
+                        menu_entry_new (_("&Start/Stop record macro"), CK_MacroStartStopRecord));
+    entries = g_list_prepend (entries, menu_entry_new (_("Delete macr&o..."), CK_MacroDelete));
+    entries =
+        g_list_prepend (entries,
+                        menu_entry_new (_("Record/Repeat &actions"), CK_RepeatStartStopRecord));
+    entries = g_list_prepend (entries, menu_separator_new ());
+#ifdef HAVE_ASPELL
+    if (strcmp (spell_language, "NONE") != 0)
+    {
+        entries = g_list_prepend (entries, menu_entry_new (_("S&pell check"), CK_SpellCheck));
+        entries =
+            g_list_prepend (entries, menu_entry_new (_("C&heck word"), CK_SpellCheckCurrentWord));
+        entries =
+            g_list_prepend (entries,
+                            menu_entry_new (_("Change spelling &language..."),
+                                            CK_SpellCheckSelectLang));
+        entries = g_list_prepend (entries, menu_separator_new ());
+    }
+#endif /* HAVE_ASPELL */
+    entries = g_list_prepend (entries, menu_entry_new (_("&Mail..."), CK_EditMail));
+
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_format_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("Insert &literal..."), CK_InsertLiteral));
+    entries = g_list_prepend (entries, menu_entry_new (_("Insert &date/time"), CK_Date));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Format paragraph"), CK_ParagraphFormat));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Sort..."), CK_Sort));
+    entries =
+        g_list_prepend (entries, menu_entry_new (_("&Paste output of..."), CK_ExternalCommand));
+    entries = g_list_prepend (entries, menu_entry_new (_("&External formatter"), CK_PipeBlock (0)));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create the 'window' popup menu
+ */
+
+static GList *
+create_window_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&Move"), CK_WindowMove));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Resize"), CK_WindowResize));
+    entries =
+        g_list_prepend (entries, menu_entry_new (_("&Toggle fullscreen"), CK_WindowFullscreen));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Next"), CK_WindowNext));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Previous"), CK_WindowPrev));
+    entries = g_list_prepend (entries, menu_entry_new (_("&List..."), CK_WindowList));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GList *
+create_options_menu (void)
+{
+    GList *entries = NULL;
+
+    entries = g_list_prepend (entries, menu_entry_new (_("&General..."), CK_Options));
+    entries = g_list_prepend (entries, menu_entry_new (_("Save &mode..."), CK_OptionsSaveMode));
+    entries = g_list_prepend (entries, menu_entry_new (_("Learn &keys..."), CK_LearnKeys));
+    entries =
+        g_list_prepend (entries, menu_entry_new (_("Syntax &highlighting..."), CK_SyntaxChoose));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("S&yntax file"), CK_EditSyntaxFile));
+    entries = g_list_prepend (entries, menu_entry_new (_("&Menu file"), CK_EditUserMenu));
+    entries = g_list_prepend (entries, menu_separator_new ());
+    entries = g_list_prepend (entries, menu_entry_new (_("&Save setup"), CK_SaveSetup));
+
+    return g_list_reverse (entries);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_drop_menu_cmd (WDialog * h, int which)
+{
+    WMenuBar *menubar;
+
+    menubar = menubar_find (h);
+    menubar_activate (menubar, drop_menus, which);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_init_menu (WMenuBar * menubar)
+{
+    menubar_add_menu (menubar,
+                      menu_new (_("&File"), create_file_menu (), "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("&Edit"), create_edit_menu (), "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("&Search"), create_search_replace_menu (),
+                                "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("&Command"), create_command_menu (), "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("For&mat"), create_format_menu (), "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("&Window"), create_window_menu (), "[Internal File Editor]"));
+    menubar_add_menu (menubar,
+                      menu_new (_("&Options"), create_options_menu (), "[Internal File Editor]"));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_menu_cmd (WDialog * h)
+{
+    edit_drop_menu_cmd (h, -1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_drop_hotkey_menu (WDialog * h, int key)
+{
+    int m = 0;
+    switch (key)
+    {
+    case ALT ('f'):
+        m = 0;
+        break;
+    case ALT ('e'):
+        m = 1;
+        break;
+    case ALT ('s'):
+        m = 2;
+        break;
+    case ALT ('c'):
+        m = 3;
+        break;
+    case ALT ('m'):
+        m = 4;
+        break;
+    case ALT ('w'):
+        m = 5;
+        break;
+    case ALT ('o'):
+        m = 6;
+        break;
+    default:
+        return FALSE;
+    }
+
+    edit_drop_menu_cmd (h, m);
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editoptions.c b/src/editor/editoptions.c
new file mode 100644
index 0000000..9e059f3
--- /dev/null
+++ b/src/editor/editoptions.c
@@ -0,0 +1,241 @@
+/*
+   Editor options dialog box
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+   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
+ *  \brief Source: editor options dialog box
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+
+#include <stdlib.h>             /* atoi(), NULL */
+
+#include "lib/global.h"
+#include "lib/widget.h"
+
+#include "editwidget.h"
+#include "edit-impl.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static const char *wrap_str[] = {
+    N_("&None"),
+    N_("&Dynamic paragraphing"),
+    N_("Type &writer wrap"),
+    NULL
+};
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+#ifdef ENABLE_NLS
+static void
+i18n_translate_array (const char *array[])
+{
+    while (*array != NULL)
+    {
+        *array = _(*array);
+        array++;
+    }
+}
+#endif /* ENABLE_NLS */
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Callback for the iteration of objects in the 'editors' array.
+ * Tear down 'over_col' property in all editors.
+ *
+ * @param data      probably WEdit object
+ * @param user_data unused
+ */
+
+static void
+edit_reset_over_col (void *data, void *user_data)
+{
+    (void) user_data;
+
+    if (edit_widget_is_editor (CONST_WIDGET (data)))
+        EDIT (data)->over_col = 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Callback for the iteration of objects in the 'editors' array.
+ * Reload syntax lighlighting in all editors.
+ *
+ * @param data      probably WEdit object
+ * @param user_data unused
+ */
+
+static void
+edit_reload_syntax (void *data, void *user_data)
+{
+    (void) user_data;
+
+    if (edit_widget_is_editor (CONST_WIDGET (data)))
+    {
+        WEdit *edit = EDIT (data);
+
+        edit_load_syntax (edit, NULL, edit->syntax_type);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_options_dialog (WDialog * h)
+{
+    char wrap_length[16], tab_spacing[16];
+    char *p, *q;
+    int wrap_mode = 0;
+    gboolean old_syntax_hl;
+
+#ifdef ENABLE_NLS
+    static gboolean i18n_flag = FALSE;
+
+    if (!i18n_flag)
+    {
+        i18n_translate_array (wrap_str);
+        i18n_flag = TRUE;
+    }
+#endif /* ENABLE_NLS */
+
+    g_snprintf (wrap_length, sizeof (wrap_length), "%d", edit_options.word_wrap_line_length);
+    g_snprintf (tab_spacing, sizeof (tab_spacing), "%d", TAB_SIZE);
+
+    if (edit_options.auto_para_formatting)
+        wrap_mode = 1;
+    else if (edit_options.typewriter_wrap)
+        wrap_mode = 2;
+    else
+        wrap_mode = 0;
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_START_COLUMNS,
+                QUICK_START_GROUPBOX (N_("Wrap mode")),
+                    QUICK_RADIO (3, wrap_str, &wrap_mode, NULL),
+                QUICK_STOP_GROUPBOX,
+                QUICK_SEPARATOR (FALSE),
+                QUICK_SEPARATOR (FALSE),
+                QUICK_START_GROUPBOX (N_("Tabulation")),
+                    QUICK_CHECKBOX (N_("&Fake half tabs"), &edit_options.fake_half_tabs, NULL),
+                    QUICK_CHECKBOX (N_("&Backspace through tabs"),
+                                    &edit_options.backspace_through_tabs, NULL),
+                    QUICK_CHECKBOX (N_("Fill tabs with &spaces"),
+                                    &edit_options.fill_tabs_with_spaces, NULL),
+                    QUICK_LABELED_INPUT (N_("Tab spacing:"), input_label_left, tab_spacing,
+                                         "edit-tab-spacing", &q, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
+                QUICK_STOP_GROUPBOX,
+            QUICK_NEXT_COLUMN,
+                QUICK_START_GROUPBOX (N_("Other options")),
+                    QUICK_CHECKBOX (N_("&Return does autoindent"), &edit_options.return_does_auto_indent, NULL),
+                    QUICK_CHECKBOX (N_("Confir&m before saving"), &edit_options.confirm_save, NULL),
+                    QUICK_CHECKBOX (N_("Save file &position"), &edit_options.save_position, NULL),
+                    QUICK_CHECKBOX (N_("&Visible trailing spaces"), &edit_options.visible_tws, NULL),
+                    QUICK_CHECKBOX (N_("Visible &tabs"), &edit_options.visible_tabs, NULL),
+                    QUICK_CHECKBOX (N_("Synta&x highlighting"), &edit_options.syntax_highlighting, NULL),
+                    QUICK_CHECKBOX (N_("C&ursor after inserted block"),
+                                    &edit_options.cursor_after_inserted_block, NULL),
+                    QUICK_CHECKBOX (N_("Pers&istent selection"), &edit_options.persistent_selections, NULL),
+                    QUICK_CHECKBOX (N_("Cursor be&yond end of line"), &edit_options.cursor_beyond_eol, NULL),
+                    QUICK_CHECKBOX (N_("&Group undo"), &edit_options.group_undo, NULL),
+                    QUICK_LABELED_INPUT (N_("Word wrap line length:"), input_label_left, wrap_length,
+                                         "edit-word-wrap", &p, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
+                QUICK_STOP_GROUPBOX,
+            QUICK_STOP_COLUMNS,
+            QUICK_BUTTONS_OK_CANCEL,
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, 74 };
+
+        quick_dialog_t qdlg = {
+            r, N_("Editor options"), "[Editor options]",
+            quick_widgets, NULL, NULL
+        };
+
+        if (quick_dialog (&qdlg) == B_CANCEL)
+            return;
+    }
+
+    old_syntax_hl = edit_options.syntax_highlighting;
+
+    if (!edit_options.cursor_beyond_eol)
+        g_list_foreach (GROUP (h)->widgets, edit_reset_over_col, NULL);
+
+    if (*p != '\0')
+    {
+        edit_options.word_wrap_line_length = atoi (p);
+        if (edit_options.word_wrap_line_length <= 0)
+            edit_options.word_wrap_line_length = DEFAULT_WRAP_LINE_LENGTH;
+        g_free (p);
+    }
+
+    if (*q != '\0')
+    {
+        TAB_SIZE = atoi (q);
+        if (TAB_SIZE <= 0)
+            TAB_SIZE = DEFAULT_TAB_SPACING;
+        g_free (q);
+    }
+
+    if (wrap_mode == 1)
+    {
+        edit_options.auto_para_formatting = TRUE;
+        edit_options.typewriter_wrap = FALSE;
+    }
+    else if (wrap_mode == 2)
+    {
+        edit_options.auto_para_formatting = FALSE;
+        edit_options.typewriter_wrap = TRUE;
+    }
+    else
+    {
+        edit_options.auto_para_formatting = FALSE;
+        edit_options.typewriter_wrap = FALSE;
+    }
+
+    /* Load or unload syntax rules if the option has changed */
+    if (edit_options.syntax_highlighting != old_syntax_hl)
+        g_list_foreach (GROUP (h)->widgets, edit_reload_syntax, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editsearch.c b/src/editor/editsearch.c
new file mode 100644
index 0000000..1bdf883
--- /dev/null
+++ b/src/editor/editsearch.c
@@ -0,0 +1,1042 @@
+/*
+   Search & replace engine of MCEditor.
+
+   Copyright (C) 2021-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Andrew Borodin <aborodin@vmail.ru>, 2021-2022
+
+   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/>.
+ */
+
+#include <config.h>
+
+#include <assert.h>
+
+#include "lib/global.h"
+#include "lib/search.h"
+#include "lib/mcconfig.h"       /* mc_config_history_get */
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"       /* cp_source */
+#endif
+#include "lib/util.h"
+#include "lib/widget.h"
+#include "lib/skin.h"           /* BOOK_MARK_FOUND_COLOR */
+
+#include "src/history.h"        /* MC_HISTORY_SHARED_SEARCH */
+#include "src/setup.h"          /* verbose */
+
+#include "edit-impl.h"
+#include "editwidget.h"
+
+#include "editsearch.h"
+
+/*** global variables ****************************************************************************/
+
+edit_search_options_t edit_search_options = {
+    .type = MC_SEARCH_T_NORMAL,
+    .case_sens = FALSE,
+    .backwards = FALSE,
+    .only_in_selection = FALSE,
+    .whole_words = FALSE,
+    .all_codepages = FALSE
+};
+
+/*** file scope macro definitions ****************************************************************/
+
+#define B_REPLACE_ALL (B_USER+1)
+#define B_REPLACE_ONE (B_USER+2)
+#define B_SKIP_REPLACE (B_USER+3)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+edit_dialog_search_show (WEdit * edit)
+{
+    char *search_text;
+    size_t num_of_types = 0;
+    gchar **list_of_types;
+    int dialog_result;
+
+    list_of_types = mc_search_get_types_strings_array (&num_of_types);
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_LABELED_INPUT (N_("Enter search string:"), input_label_above, INPUT_LAST_TEXT, 
+                                 MC_HISTORY_SHARED_SEARCH, &search_text, NULL, FALSE, FALSE,
+                                 INPUT_COMPLETE_NONE),
+            QUICK_SEPARATOR (TRUE),
+            QUICK_START_COLUMNS,
+                QUICK_RADIO (num_of_types, (const char **) list_of_types,
+                             (int *) &edit_search_options.type, NULL),
+            QUICK_NEXT_COLUMN,
+                QUICK_CHECKBOX (N_("Cas&e sensitive"), &edit_search_options.case_sens, NULL),
+                QUICK_CHECKBOX (N_("&Backwards"), &edit_search_options.backwards, NULL),
+                QUICK_CHECKBOX (N_("In se&lection"), &edit_search_options.only_in_selection, NULL),
+                QUICK_CHECKBOX (N_("&Whole words"), &edit_search_options.whole_words, NULL),
+#ifdef HAVE_CHARSET
+                QUICK_CHECKBOX (N_("&All charsets"), &edit_search_options.all_codepages, NULL),
+#endif
+            QUICK_STOP_COLUMNS,
+            QUICK_START_BUTTONS (TRUE, TRUE),
+                QUICK_BUTTON (N_("&OK"), B_ENTER, NULL, NULL),
+                QUICK_BUTTON (N_("&Find all"), B_USER, NULL, NULL),
+                QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL),
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, 58 };
+
+        quick_dialog_t qdlg = {
+            r, N_("Search"), "[Input Line Keys]",
+            quick_widgets, NULL, NULL
+        };
+
+        dialog_result = quick_dialog (&qdlg);
+    }
+
+    g_strfreev (list_of_types);
+
+    if (dialog_result == B_CANCEL || search_text[0] == '\0')
+    {
+        g_free (search_text);
+        return FALSE;
+    }
+
+    if (dialog_result == B_USER)
+        search_create_bookmark = TRUE;
+
+#ifdef HAVE_CHARSET
+    {
+        GString *tmp;
+
+        tmp = str_convert_to_input (search_text);
+        g_free (search_text);
+        if (tmp != NULL)
+            search_text = g_string_free (tmp, FALSE);
+        else
+            search_text = g_strdup ("");
+    }
+#endif
+
+    edit_search_deinit (edit);
+    edit->last_search_string = search_text;
+
+    return edit_search_init (edit, edit->last_search_string);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_dialog_replace_show (WEdit * edit, const char *search_default, const char *replace_default,
+                          /*@out@ */ char **search_text, /*@out@ */ char **replace_text)
+{
+    size_t num_of_types = 0;
+    gchar **list_of_types;
+
+    if ((search_default == NULL) || (*search_default == '\0'))
+        search_default = INPUT_LAST_TEXT;
+
+    list_of_types = mc_search_get_types_strings_array (&num_of_types);
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_LABELED_INPUT (N_("Enter search string:"), input_label_above, search_default,
+                                 MC_HISTORY_SHARED_SEARCH, search_text, NULL, FALSE, FALSE,
+                                 INPUT_COMPLETE_NONE),
+            QUICK_LABELED_INPUT (N_("Enter replacement string:"), input_label_above, replace_default,
+                                 "replace", replace_text, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
+            QUICK_SEPARATOR (TRUE),
+            QUICK_START_COLUMNS,
+                QUICK_RADIO (num_of_types, (const char **) list_of_types,
+                             (int *) &edit_search_options.type, NULL),
+            QUICK_NEXT_COLUMN,
+                QUICK_CHECKBOX (N_("Cas&e sensitive"), &edit_search_options.case_sens, NULL),
+                QUICK_CHECKBOX (N_("&Backwards"), &edit_search_options.backwards, NULL),
+                QUICK_CHECKBOX (N_("In se&lection"), &edit_search_options.only_in_selection, NULL),
+                QUICK_CHECKBOX (N_("&Whole words"), &edit_search_options.whole_words, NULL),
+#ifdef HAVE_CHARSET
+                QUICK_CHECKBOX (N_("&All charsets"), &edit_search_options.all_codepages, NULL),
+#endif
+            QUICK_STOP_COLUMNS,
+            QUICK_BUTTONS_OK_CANCEL,
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, 58 };
+
+        quick_dialog_t qdlg = {
+            r, N_("Replace"), "[Input Line Keys]",
+            quick_widgets, NULL, NULL
+        };
+
+        if (quick_dialog (&qdlg) != B_CANCEL)
+            edit->replace_mode = 0;
+        else
+        {
+            *replace_text = NULL;
+            *search_text = NULL;
+        }
+    }
+
+    g_strfreev (list_of_types);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+edit_dialog_replace_prompt_show (WEdit * edit, char *from_text, char *to_text, int xpos, int ypos)
+{
+    Widget *w = WIDGET (edit);
+
+    /* dialog size */
+    int dlg_height = 10;
+    int dlg_width;
+
+    char tmp[BUF_MEDIUM];
+    char *repl_from, *repl_to;
+    int retval;
+
+    if (xpos == -1)
+        xpos = w->rect.x + edit_options.line_state_width + 1;
+    if (ypos == -1)
+        ypos = w->rect.y + w->rect.lines / 2;
+    /* Sometimes menu can hide replaced text. I don't like it */
+    if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + dlg_height - 1))
+        ypos -= dlg_height;
+
+    dlg_width = WIDGET (w->owner)->rect.cols - xpos - 1;
+
+    g_snprintf (tmp, sizeof (tmp), "\"%s\"", from_text);
+    repl_from = g_strdup (str_trunc (tmp, dlg_width - 7));
+
+    g_snprintf (tmp, sizeof (tmp), "\"%s\"", to_text);
+    repl_to = g_strdup (str_trunc (tmp, dlg_width - 7));
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_LABEL (repl_from, NULL),
+            QUICK_LABEL (N_("Replace with:"), NULL),
+            QUICK_LABEL (repl_to, NULL),
+            QUICK_START_BUTTONS (TRUE, TRUE),
+                QUICK_BUTTON (N_("&Replace"), B_ENTER, NULL, NULL),
+                QUICK_BUTTON (N_("A&ll"), B_REPLACE_ALL, NULL, NULL),
+                QUICK_BUTTON (N_("&Skip"), B_SKIP_REPLACE, NULL, NULL),
+                QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL),
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { ypos, xpos, 0, -1 };
+
+        quick_dialog_t qdlg = {
+            r, N_("Confirm replace"), NULL,
+            quick_widgets, NULL, NULL
+        };
+
+        retval = quick_dialog (&qdlg);
+    }
+
+    g_free (repl_from);
+    g_free (repl_to);
+
+    return retval;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Get EOL symbol for searching.
+ *
+ * @param edit editor object
+ * @return EOL symbol
+ */
+
+static inline char
+edit_search_get_current_end_line_char (const WEdit * edit)
+{
+    switch (edit->lb)
+    {
+    case LB_MAC:
+        return '\r';
+    default:
+        return '\n';
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Checking if search condition have BOL(^) or EOL ($) regexp special characters.
+ *
+ * @param search search object
+ * @return result of checks.
+ */
+
+static edit_search_line_t
+edit_get_search_line_type (mc_search_t * search)
+{
+    edit_search_line_t search_line_type = 0;
+
+    if (search->search_type != MC_SEARCH_T_REGEX)
+        return search_line_type;
+
+    if (search->original.str->str[0] == '^')
+        search_line_type |= AT_START_LINE;
+
+    if (search->original.str->str[search->original.str->len - 1] == '$')
+        search_line_type |= AT_END_LINE;
+    return search_line_type;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculating the start position of next line.
+ *
+ * @param buf               editor buffer object
+ * @param current_pos       current position
+ * @param max_pos           max position
+ * @param end_string_symbol end of line symbol
+ * @return start position of next line
+ */
+
+static off_t
+edit_calculate_start_of_next_line (const edit_buffer_t * buf, off_t current_pos, off_t max_pos,
+                                   char end_string_symbol)
+{
+    off_t i;
+
+    for (i = current_pos; i < max_pos; i++)
+    {
+        current_pos++;
+        if (edit_buffer_get_byte (buf, i) == end_string_symbol)
+            break;
+    }
+
+    return current_pos;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculating the end position of previous line.
+ *
+ * @param buf               editor buffer object
+ * @param current_pos       current position
+ * @param end_string_symbol end of line symbol
+ * @return end position of previous line
+ */
+
+static off_t
+edit_calculate_end_of_previous_line (const edit_buffer_t * buf, off_t current_pos,
+                                     char end_string_symbol)
+{
+    off_t i;
+
+    for (i = current_pos - 1; i >= 0; i--)
+        if (edit_buffer_get_byte (buf, i) == end_string_symbol)
+            break;
+
+    return i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculating the start position of previous line.
+ *
+ * @param buf               editor buffer object
+ * @param current_pos       current position
+ * @param end_string_symbol end of line symbol
+ * @return start position of previous line
+ */
+
+static inline off_t
+edit_calculate_start_of_previous_line (const edit_buffer_t * buf, off_t current_pos,
+                                       char end_string_symbol)
+{
+    current_pos = edit_calculate_end_of_previous_line (buf, current_pos, end_string_symbol);
+    current_pos = edit_calculate_end_of_previous_line (buf, current_pos, end_string_symbol);
+
+    return (current_pos + 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Calculating the start position of current line.
+ *
+ * @param buf               editor buffer object
+ * @param current_pos       current position
+ * @param end_string_symbol end of line symbol
+ * @return start position of current line
+ */
+
+static inline off_t
+edit_calculate_start_of_current_line (const edit_buffer_t * buf, off_t current_pos,
+                                      char end_string_symbol)
+{
+    current_pos = edit_calculate_end_of_previous_line (buf, current_pos, end_string_symbol);
+
+    return (current_pos + 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Fixing (if needed) search start position if 'only in selection' option present.
+ *
+ * @param edit editor object
+ */
+
+static void
+edit_search_fix_search_start_if_selection (WEdit * edit)
+{
+    off_t start_mark = 0;
+    off_t end_mark = 0;
+
+    if (!edit_search_options.only_in_selection)
+        return;
+
+    if (!eval_marks (edit, &start_mark, &end_mark))
+        return;
+
+    if (edit_search_options.backwards)
+    {
+        if (edit->search_start > end_mark || edit->search_start <= start_mark)
+            edit->search_start = end_mark;
+    }
+    else
+    {
+        if (edit->search_start < start_mark || edit->search_start >= end_mark)
+            edit->search_start = start_mark;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+edit_find (edit_search_status_msg_t * esm, gsize * len)
+{
+    WEdit *edit = esm->edit;
+    off_t search_start = edit->search_start;
+    off_t search_end;
+    off_t start_mark = 0;
+    off_t end_mark = edit->buffer.size;
+    char end_string_symbol;
+
+    end_string_symbol = edit_search_get_current_end_line_char (edit);
+
+    /* prepare for search */
+    if (edit_search_options.only_in_selection)
+    {
+        if (!eval_marks (edit, &start_mark, &end_mark))
+        {
+            mc_search_set_error (edit->search, MC_SEARCH_E_NOTFOUND, "%s", _(STR_E_NOTFOUND));
+            return FALSE;
+        }
+
+        /* fix the start and the end of search block positions */
+        if ((edit->search_line_type & AT_START_LINE) != 0
+            && (start_mark != 0
+                || edit_buffer_get_byte (&edit->buffer, start_mark - 1) != end_string_symbol))
+            start_mark =
+                edit_calculate_start_of_next_line (&edit->buffer, start_mark, edit->buffer.size,
+                                                   end_string_symbol);
+
+        if ((edit->search_line_type & AT_END_LINE) != 0
+            && (end_mark - 1 != edit->buffer.size
+                || edit_buffer_get_byte (&edit->buffer, end_mark) != end_string_symbol))
+            end_mark =
+                edit_calculate_end_of_previous_line (&edit->buffer, end_mark, end_string_symbol);
+
+        if (start_mark >= end_mark)
+        {
+            mc_search_set_error (edit->search, MC_SEARCH_E_NOTFOUND, "%s", _(STR_E_NOTFOUND));
+            return FALSE;
+        }
+    }
+    else if (edit_search_options.backwards)
+        end_mark = MAX (1, edit->buffer.curs1) - 1;
+
+    /* search */
+    if (edit_search_options.backwards)
+    {
+        /* backward search */
+        search_end = end_mark;
+
+        if ((edit->search_line_type & AT_START_LINE) != 0)
+            search_start =
+                edit_calculate_start_of_current_line (&edit->buffer, search_start,
+                                                      end_string_symbol);
+
+        while (search_start >= start_mark)
+        {
+            gboolean ok;
+
+            if (search_end > (off_t) (search_start + edit->search->original.str->len)
+                && mc_search_is_fixed_search_str (edit->search))
+                search_end = search_start + edit->search->original.str->len;
+
+            ok = mc_search_run (edit->search, (void *) esm, search_start, search_end, len);
+
+            if (ok && edit->search->normal_offset == search_start)
+                return TRUE;
+
+            /* We abort the search in case of a pattern error, or if the user aborts
+               the search. In other words: in all cases except "string not found". */
+            if (!ok && edit->search->error != MC_SEARCH_E_NOTFOUND)
+                return FALSE;
+
+            if ((edit->search_line_type & AT_START_LINE) != 0)
+                search_start =
+                    edit_calculate_start_of_previous_line (&edit->buffer, search_start,
+                                                           end_string_symbol);
+            else
+                search_start--;
+        }
+
+        mc_search_set_error (edit->search, MC_SEARCH_E_NOTFOUND, "%s", _(STR_E_NOTFOUND));
+        return FALSE;
+    }
+
+    /* forward search */
+    if ((edit->search_line_type & AT_START_LINE) != 0 && search_start != start_mark)
+        search_start =
+            edit_calculate_start_of_next_line (&edit->buffer, search_start, end_mark,
+                                               end_string_symbol);
+
+    return mc_search_run (edit->search, (void *) esm, search_start, end_mark, len);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+edit_replace_cmd__conv_to_display (const char *str)
+{
+#ifdef HAVE_CHARSET
+    GString *tmp;
+
+    tmp = str_convert_to_display (str);
+    if (tmp != NULL)
+    {
+        if (tmp->len != 0)
+            return g_string_free (tmp, FALSE);
+        g_string_free (tmp, TRUE);
+    }
+#endif
+    return g_strdup (str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+edit_replace_cmd__conv_to_input (char *str)
+{
+#ifdef HAVE_CHARSET
+    GString *tmp;
+
+    tmp = str_convert_to_input (str);
+    if (tmp != NULL)
+    {
+        if (tmp->len != 0)
+            return g_string_free (tmp, FALSE);
+        g_string_free (tmp, TRUE);
+    }
+#endif
+    return g_strdup (str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_show_search_error (const WEdit * edit, const char *title)
+{
+    if (edit->search->error == MC_SEARCH_E_NOTFOUND)
+        edit_query_dialog (title, _(STR_E_NOTFOUND));
+    else if (edit->search->error_str != NULL)
+        edit_query_dialog (title, edit->search->error_str);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_do_search (WEdit * edit)
+{
+    edit_search_status_msg_t esm;
+    gsize len = 0;
+
+    /* This shouldn't happen */
+    assert (edit->search != NULL);
+
+    edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+    esm.first = TRUE;
+    esm.edit = edit;
+    esm.offset = edit->search_start;
+
+    status_msg_init (STATUS_MSG (&esm), _("Search"), 1.0, simple_status_msg_init_cb,
+                     edit_search_status_update_cb, NULL);
+
+    if (search_create_bookmark)
+    {
+        gboolean found = FALSE;
+        long l = 0, l_last = -1;
+        long q = 0;
+
+        search_create_bookmark = FALSE;
+        book_mark_flush (edit, -1);
+
+        while (mc_search_run (edit->search, (void *) &esm, q, edit->buffer.size, &len))
+        {
+            if (!found)
+                edit->search_start = edit->search->normal_offset;
+            found = TRUE;
+
+            l += edit_buffer_count_lines (&edit->buffer, q, edit->search->normal_offset);
+            if (l != l_last)
+                book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
+            l_last = l;
+            q = edit->search->normal_offset + 1;
+        }
+
+        if (!found)
+            edit_error_dialog (_("Search"), _(STR_E_NOTFOUND));
+        else
+            edit_cursor_move (edit, edit->search_start - edit->buffer.curs1);
+    }
+    else
+    {
+        if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
+            && edit_search_options.backwards)
+            edit->search_start--;
+
+        if (edit->found_len != 0 && edit->search_start == edit->found_start - 1
+            && !edit_search_options.backwards)
+            edit->search_start++;
+
+        if (edit_find (&esm, &len))
+        {
+            edit->found_start = edit->search_start = edit->search->normal_offset;
+            edit->found_len = len;
+            edit->over_col = 0;
+            edit_cursor_move (edit, edit->search_start - edit->buffer.curs1);
+            edit_scroll_screen_over_cursor (edit);
+            if (edit_search_options.backwards)
+                edit->search_start--;
+            else
+                edit->search_start++;
+        }
+        else
+        {
+            edit->search_start = edit->buffer.curs1;
+            edit_show_search_error (edit, _("Search"));
+        }
+    }
+
+    status_msg_deinit (STATUS_MSG (&esm));
+
+    edit->force |= REDRAW_COMPLETELY;
+    edit_scroll_screen_over_cursor (edit);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_search (WEdit * edit)
+{
+    if (edit_dialog_search_show (edit))
+    {
+        edit->search_line_type = edit_get_search_line_type (edit->search);
+        edit_search_fix_search_start_if_selection (edit);
+        edit_do_search (edit);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_search_init (WEdit * edit, const char *str)
+{
+#ifdef HAVE_CHARSET
+    edit->search = mc_search_new (str, cp_source);
+#else
+    edit->search = mc_search_new (str, NULL);
+#endif
+
+    if (edit->search == NULL)
+        return FALSE;
+
+    edit->search->search_type = edit_search_options.type;
+#ifdef HAVE_CHARSET
+    edit->search->is_all_charsets = edit_search_options.all_codepages;
+#endif
+    edit->search->is_case_sensitive = edit_search_options.case_sens;
+    edit->search->whole_words = edit_search_options.whole_words;
+    edit->search->search_fn = edit_search_cmd_callback;
+    edit->search->update_fn = edit_search_update_callback;
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_search_deinit (WEdit * edit)
+{
+    mc_search_free (edit->search);
+    g_free (edit->last_search_string);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+mc_search_cbret_t
+edit_search_cmd_callback (const void *user_data, gsize char_offset, int *current_char)
+{
+    WEdit *edit = ((const edit_search_status_msg_t *) user_data)->edit;
+
+    *current_char = edit_buffer_get_byte (&edit->buffer, (off_t) char_offset);
+
+    return MC_SEARCH_CB_OK;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+mc_search_cbret_t
+edit_search_update_callback (const void *user_data, gsize char_offset)
+{
+    status_msg_t *sm = STATUS_MSG (user_data);
+
+    ((edit_search_status_msg_t *) sm)->offset = (off_t) char_offset;
+
+    return (sm->update (sm) == B_CANCEL ? MC_SEARCH_CB_ABORT : MC_SEARCH_CB_OK);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+edit_search_status_update_cb (status_msg_t * sm)
+{
+    simple_status_msg_t *ssm = SIMPLE_STATUS_MSG (sm);
+    edit_search_status_msg_t *esm = (edit_search_status_msg_t *) sm;
+    Widget *wd = WIDGET (sm->dlg);
+
+    if (verbose)
+        label_set_textv (ssm->label, _("Searching %s: %3d%%"), esm->edit->last_search_string,
+                         edit_buffer_calc_percent (&esm->edit->buffer, esm->offset));
+    else
+        label_set_textv (ssm->label, _("Searching %s"), esm->edit->last_search_string);
+
+    if (esm->first)
+    {
+        Widget *lw = WIDGET (ssm->label);
+        WRect r;
+
+        r = wd->rect;
+        r.cols = MAX (r.cols, lw->rect.cols + 6);
+        widget_set_size_rect (wd, &r);
+        r = lw->rect;
+        r.x = wd->rect.x + (wd->rect.cols - r.cols) / 2;
+        widget_set_size_rect (lw, &r);
+        esm->first = FALSE;
+    }
+
+    return status_msg_common_update (sm);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_search_cmd (WEdit * edit, gboolean again)
+{
+    if (!again)
+        edit_search (edit);
+    else if (edit->last_search_string != NULL)
+        edit_do_search (edit);
+    else
+    {
+        /* find last search string in history */
+        GList *history;
+
+        history = mc_config_history_get (MC_HISTORY_SHARED_SEARCH);
+        if (history != NULL)
+        {
+            /* FIXME: is it possible that history->data == NULL? */
+            edit->last_search_string = (char *) history->data;
+            history->data = NULL;
+            history = g_list_first (history);
+            g_list_free_full (history, g_free);
+
+            if (edit_search_init (edit, edit->last_search_string))
+            {
+                edit_do_search (edit);
+                return;
+            }
+
+            /* found, but cannot init search */
+            MC_PTR_FREE (edit->last_search_string);
+        }
+
+        /* if not... then ask for an expression */
+        edit_search (edit);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** call with edit = 0 before shutdown to close memory leaks */
+
+void
+edit_replace_cmd (WEdit * edit, gboolean again)
+{
+    /* 1 = search string, 2 = replace with */
+    static char *saved1 = NULL; /* saved default[123] */
+    static char *saved2 = NULL;
+    char *input1 = NULL;        /* user input from the dialog */
+    char *input2 = NULL;
+    GString *input2_str = NULL;
+    char *disp1 = NULL;
+    char *disp2 = NULL;
+    long times_replaced = 0;
+    gboolean once_found = FALSE;
+    edit_search_status_msg_t esm;
+
+    if (edit == NULL)
+    {
+        MC_PTR_FREE (saved1);
+        MC_PTR_FREE (saved2);
+        return;
+    }
+
+    edit->force |= REDRAW_COMPLETELY;
+
+    if (again && saved1 == NULL && saved2 == NULL)
+        again = FALSE;
+
+    if (again)
+    {
+        input1 = g_strdup (saved1 != NULL ? saved1 : "");
+        input2 = g_strdup (saved2 != NULL ? saved2 : "");
+    }
+    else
+    {
+        char *tmp_inp1, *tmp_inp2;
+
+        disp1 = edit_replace_cmd__conv_to_display (saved1 != NULL ? saved1 : "");
+        disp2 = edit_replace_cmd__conv_to_display (saved2 != NULL ? saved2 : "");
+
+        edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
+
+        edit_dialog_replace_show (edit, disp1, disp2, &input1, &input2);
+
+        g_free (disp1);
+        g_free (disp2);
+
+        if (input1 == NULL || *input1 == '\0')
+        {
+            edit->force = REDRAW_COMPLETELY;
+            goto cleanup;
+        }
+
+        tmp_inp1 = input1;
+        tmp_inp2 = input2;
+        input1 = edit_replace_cmd__conv_to_input (input1);
+        input2 = edit_replace_cmd__conv_to_input (input2);
+        g_free (tmp_inp1);
+        g_free (tmp_inp2);
+
+        g_free (saved1);
+        saved1 = g_strdup (input1);
+        g_free (saved2);
+        saved2 = g_strdup (input2);
+
+        mc_search_free (edit->search);
+        edit->search = NULL;
+    }
+
+    input2_str = g_string_new (input2);
+
+    if (edit->search == NULL)
+    {
+        if (edit_search_init (edit, input1))
+            edit_search_fix_search_start_if_selection (edit);
+        else
+        {
+            edit->search_start = edit->buffer.curs1;
+            goto cleanup;
+        }
+    }
+
+    if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
+        && edit_search_options.backwards)
+        edit->search_start--;
+
+    if (edit->found_len != 0 && edit->search_start == edit->found_start - 1
+        && !edit_search_options.backwards)
+        edit->search_start++;
+
+    esm.first = TRUE;
+    esm.edit = edit;
+    esm.offset = edit->search_start;
+
+    status_msg_init (STATUS_MSG (&esm), _("Search"), 1.0, simple_status_msg_init_cb,
+                     edit_search_status_update_cb, NULL);
+
+    do
+    {
+        gsize len = 0;
+
+        if (!edit_find (&esm, &len))
+        {
+            if (!(edit->search->error == MC_SEARCH_E_OK ||
+                  (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND)))
+                edit_show_search_error (edit, _("Search"));
+            break;
+        }
+
+        once_found = TRUE;
+
+        edit->search_start = edit->search->normal_offset;
+        /* returns negative on not found or error in pattern */
+
+        if (edit->search_start >= 0 && edit->search_start < edit->buffer.size)
+        {
+            gsize i;
+            GString *repl_str;
+
+            edit->found_start = edit->search_start;
+            edit->found_len = len;
+
+            edit_cursor_move (edit, edit->search_start - edit->buffer.curs1);
+            edit_scroll_screen_over_cursor (edit);
+
+            if (edit->replace_mode == 0)
+            {
+                long l;
+                int prompt;
+
+                l = edit->curs_row - WIDGET (edit)->rect.lines / 3;
+                if (l > 0)
+                    edit_scroll_downward (edit, l);
+                if (l < 0)
+                    edit_scroll_upward (edit, -l);
+
+                edit_scroll_screen_over_cursor (edit);
+                edit->force |= REDRAW_PAGE;
+                edit_render_keypress (edit);
+
+                /*so that undo stops at each query */
+                edit_push_key_press (edit);
+                /* and prompt 2/3 down */
+                disp1 = edit_replace_cmd__conv_to_display (saved1);
+                disp2 = edit_replace_cmd__conv_to_display (saved2);
+                prompt = edit_dialog_replace_prompt_show (edit, disp1, disp2, -1, -1);
+                g_free (disp1);
+                g_free (disp2);
+
+                if (prompt == B_REPLACE_ALL)
+                    edit->replace_mode = 1;
+                else if (prompt == B_SKIP_REPLACE)
+                {
+                    if (edit_search_options.backwards)
+                        edit->search_start--;
+                    else
+                        edit->search_start++;
+                    continue;   /* loop */
+                }
+                else if (prompt == B_CANCEL)
+                {
+                    edit->replace_mode = -1;
+                    break;      /* loop */
+                }
+            }
+
+            repl_str = mc_search_prepare_replace_str (edit->search, input2_str);
+
+            if (edit->search->error != MC_SEARCH_E_OK)
+            {
+                edit_show_search_error (edit, _("Replace"));
+                if (repl_str != NULL)
+                    g_string_free (repl_str, TRUE);
+                break;
+            }
+
+            /* delete then insert new */
+            for (i = 0; i < len; i++)
+                edit_delete (edit, TRUE);
+
+            for (i = 0; i < repl_str->len; i++)
+                edit_insert (edit, repl_str->str[i]);
+
+            edit->found_len = repl_str->len;
+            g_string_free (repl_str, TRUE);
+            times_replaced++;
+
+            /* so that we don't find the same string again */
+            if (edit_search_options.backwards)
+                edit->search_start--;
+            else
+            {
+                edit->search_start += edit->found_len + (len == 0 ? 1 : 0);
+
+                if (edit->search_start >= edit->buffer.size)
+                    break;
+            }
+
+            edit_scroll_screen_over_cursor (edit);
+        }
+        else
+        {
+            /* try and find from right here for next search */
+            edit->search_start = edit->buffer.curs1;
+            edit_update_curs_col (edit);
+
+            edit->force |= REDRAW_PAGE;
+            edit_render_keypress (edit);
+
+            if (times_replaced == 0)
+                query_dialog (_("Replace"), _(STR_E_NOTFOUND), D_NORMAL, 1, _("&OK"));
+            break;
+        }
+    }
+    while (edit->replace_mode >= 0);
+
+    status_msg_deinit (STATUS_MSG (&esm));
+    edit_scroll_screen_over_cursor (edit);
+    edit->force |= REDRAW_COMPLETELY;
+    edit_render_keypress (edit);
+
+    if (edit->replace_mode == 1 && times_replaced != 0)
+        message (D_NORMAL, _("Replace"), _("%ld replacements made"), times_replaced);
+
+  cleanup:
+    g_free (input1);
+    g_free (input2);
+    if (input2_str != NULL)
+        g_string_free (input2_str, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editsearch.h b/src/editor/editsearch.h
new file mode 100644
index 0000000..5fc3932
--- /dev/null
+++ b/src/editor/editsearch.h
@@ -0,0 +1,36 @@
+#ifndef MC__EDIT_SEARCH_H
+#define MC__EDIT_SEARCH_H 1
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct
+{
+    simple_status_msg_t status_msg;     /* base class */
+
+    gboolean first;
+    WEdit *edit;
+    off_t offset;
+} edit_search_status_msg_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+gboolean edit_search_init (WEdit * edit, const char *s);
+void edit_search_deinit (WEdit * edit);
+
+mc_search_cbret_t edit_search_cmd_callback (const void *user_data, gsize char_offset,
+                                            int *current_char);
+mc_search_cbret_t edit_search_update_callback (const void *user_data, gsize char_offset);
+int edit_search_status_update_cb (status_msg_t * sm);
+
+void edit_search_cmd (WEdit * edit, gboolean again);
+void edit_replace_cmd (WEdit * edit, gboolean again);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EDIT_SEARCH_H */
diff --git a/src/editor/editwidget.c b/src/editor/editwidget.c
new file mode 100644
index 0000000..05f03e8
--- /dev/null
+++ b/src/editor/editwidget.c
@@ -0,0 +1,1550 @@
+/*
+   Editor initialisation and callback handler.
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1996, 1997
+   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
+ *  \brief Source: editor initialisation and callback handler
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "lib/global.h"
+
+#include "lib/tty/tty.h"        /* LINES, COLS */
+#include "lib/tty/key.h"        /* is_idle() */
+#include "lib/tty/color.h"      /* tty_setcolor() */
+#include "lib/skin.h"
+#include "lib/fileloc.h"        /* EDIT_HOME_DIR */
+#include "lib/strutil.h"        /* str_term_trim() */
+#include "lib/util.h"           /* mc_build_filename() */
+#include "lib/widget.h"
+#include "lib/mcconfig.h"
+#include "lib/event.h"          /* mc_event_raise() */
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+
+#include "src/keymap.h"         /* keybind_lookup_keymap_command() */
+#include "src/setup.h"          /* home_dir */
+#include "src/execute.h"        /* toggle_subshell()  */
+#include "src/filemanager/cmd.h"        /* save_setup_cmd()  */
+#include "src/learn.h"          /* learn_keys() */
+#include "src/args.h"           /* mcedit_arg_t */
+
+#include "edit-impl.h"
+#include "editwidget.h"
+#include "editmacros.h"         /* edit_execute_macro() */
+#ifdef HAVE_ASPELL
+#include "spell.h"
+#endif
+
+/*** global variables ****************************************************************************/
+
+char *edit_window_state_char = NULL;
+char *edit_window_close_char = NULL;
+
+/*** file scope macro definitions ****************************************************************/
+
+#define WINDOW_MIN_LINES (2 + 2)
+#define WINDOW_MIN_COLS (2 + LINE_STATE_WIDTH + 2)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static unsigned int edit_dlg_init_refcounter = 0;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Init the 'edit' subsystem
+ */
+
+static void
+edit_dlg_init (void)
+{
+    edit_dlg_init_refcounter++;
+
+    if (edit_dlg_init_refcounter == 1)
+    {
+        edit_window_state_char = mc_skin_get ("widget-editor", "window-state-char", "*");
+        edit_window_close_char = mc_skin_get ("widget-editor", "window-close-char", "X");
+
+#ifdef HAVE_ASPELL
+        aspell_init ();
+#endif
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deinit the 'edit' subsystem
+ */
+
+static void
+edit_dlg_deinit (void)
+{
+    if (edit_dlg_init_refcounter == 1)
+    {
+        g_free (edit_window_state_char);
+        g_free (edit_window_close_char);
+
+#ifdef HAVE_ASPELL
+        aspell_clean ();
+#endif
+    }
+
+    if (edit_dlg_init_refcounter != 0)
+        edit_dlg_init_refcounter--;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show info about editor
+ */
+
+static void
+edit_about (void)
+{
+    char *ver;
+
+    ver = g_strdup_printf ("MCEdit %s", mc_global.mc_version);
+
+    {
+        quick_widget_t quick_widgets[] = {
+            /* *INDENT-OFF* */
+            QUICK_LABEL (ver, NULL),
+            QUICK_SEPARATOR (TRUE),
+            QUICK_LABEL (N_("A user friendly text editor\n"
+                            "written for the Midnight Commander."), NULL),
+            QUICK_SEPARATOR (FALSE),
+            QUICK_LABEL (N_("Copyright (C) 1996-2023 the Free Software Foundation"), NULL),
+            QUICK_START_BUTTONS (TRUE, TRUE),
+            QUICK_BUTTON (N_("&OK"), B_ENTER, NULL, NULL),
+            QUICK_END
+            /* *INDENT-ON* */
+        };
+
+        WRect r = { -1, -1, 0, 40 };
+
+        quick_dialog_t qdlg = {
+            r, N_("About"), "[Internal File Editor]",
+            quick_widgets, NULL, NULL
+        };
+
+        quick_widgets[0].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
+        quick_widgets[2].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
+        quick_widgets[4].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
+
+        (void) quick_dialog (&qdlg);
+    }
+
+    g_free (ver);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show a help window
+ */
+
+static void
+edit_help (void)
+{
+    ev_help_t event_data = { NULL, "[Internal File Editor]" };
+    mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Restore saved window size.
+ *
+ * @param edit editor object
+ */
+
+static void
+edit_restore_size (WEdit * edit)
+{
+    Widget *w = WIDGET (edit);
+
+    edit->drag_state = MCEDIT_DRAG_NONE;
+    w->mouse.forced_capture = FALSE;
+    widget_set_size_rect (w, &edit->loc_prev);
+    widget_draw (WIDGET (w->owner));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Move window by one row or column in any direction.
+ *
+ * @param edit    editor object
+ * @param command direction (CK_Up, CK_Down, CK_Left, CK_Right)
+ */
+
+static void
+edit_window_move (WEdit * edit, long command)
+{
+    Widget *we = WIDGET (edit);
+    Widget *wo = WIDGET (we->owner);
+    WRect *w = &we->rect;
+    const WRect *wh = &wo->rect;
+
+    switch (command)
+    {
+    case CK_Up:
+        if (w->y > wh->y + 1)   /* menubar */
+            w->y--;
+        break;
+    case CK_Down:
+        if (w->y < wh->y + wh->lines - 2)       /* buttonbar */
+            w->y++;
+        break;
+    case CK_Left:
+        if (w->x + wh->cols > wh->x)
+            w->x--;
+        break;
+    case CK_Right:
+        if (w->x < wh->x + wh->cols)
+            w->x++;
+        break;
+    default:
+        return;
+    }
+
+    edit->force |= REDRAW_PAGE;
+    widget_draw (wo);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Resize window by one row or column in any direction.
+ *
+ * @param edit    editor object
+ * @param command direction (CK_Up, CK_Down, CK_Left, CK_Right)
+ */
+
+static void
+edit_window_resize (WEdit * edit, long command)
+{
+    Widget *we = WIDGET (edit);
+    Widget *wo = WIDGET (we->owner);
+    WRect *w = &we->rect;
+    const WRect *wh = &wo->rect;
+
+    switch (command)
+    {
+    case CK_Up:
+        if (w->lines > WINDOW_MIN_LINES)
+            w->lines--;
+        break;
+    case CK_Down:
+        if (w->y + w->lines < wh->y + wh->lines - 1)    /* buttonbar */
+            w->lines++;
+        break;
+    case CK_Left:
+        if (w->cols > WINDOW_MIN_COLS)
+            w->cols--;
+        break;
+    case CK_Right:
+        if (w->x + w->cols < wh->x + wh->cols)
+            w->cols++;
+        break;
+    default:
+        return;
+    }
+
+    edit->force |= REDRAW_COMPLETELY;
+    widget_draw (wo);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get hotkey by number.
+ *
+ * @param n number
+ * @return hotkey
+ */
+
+static unsigned char
+get_hotkey (int n)
+{
+    return (n <= 9) ? '0' + n : 'a' + n - 10;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_window_list (const WDialog * h)
+{
+    const WGroup *g = CONST_GROUP (h);
+    const size_t offset = 2;    /* skip menu and buttonbar */
+    const size_t dlg_num = g_list_length (g->widgets) - offset;
+    int lines, cols;
+    Listbox *listbox;
+    GList *w;
+    WEdit *selected;
+    int i = 0;
+
+    lines = MIN ((size_t) (LINES * 2 / 3), dlg_num);
+    cols = COLS * 2 / 3;
+
+    listbox = listbox_window_new (lines, cols, _("Open files"), "[Open files]");
+
+    for (w = g->widgets; w != NULL; w = g_list_next (w))
+        if (edit_widget_is_editor (CONST_WIDGET (w->data)))
+        {
+            WEdit *e = EDIT (w->data);
+            char *fname;
+
+            if (e->filename_vpath == NULL)
+                fname = g_strdup_printf ("%c [%s]", e->modified ? '*' : ' ', _("NoName"));
+            else
+                fname =
+                    g_strdup_printf ("%c%s", e->modified ? '*' : ' ',
+                                     vfs_path_as_str (e->filename_vpath));
+
+            listbox_add_item (listbox->list, LISTBOX_APPEND_AT_END, get_hotkey (i++),
+                              str_term_trim (fname, WIDGET (listbox->list)->rect.cols - 2), e,
+                              FALSE);
+            g_free (fname);
+        }
+
+    selected = listbox_run_with_data (listbox, g->current->data);
+    if (selected != NULL)
+        widget_select (WIDGET (selected));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+edit_get_shortcut (long command)
+{
+    const char *ext_map;
+    const char *shortcut = NULL;
+
+    shortcut = keybind_lookup_keymap_shortcut (editor_map, command);
+    if (shortcut != NULL)
+        return g_strdup (shortcut);
+
+    ext_map = keybind_lookup_keymap_shortcut (editor_map, CK_ExtendedKeyMap);
+    if (ext_map != NULL)
+        shortcut = keybind_lookup_keymap_shortcut (editor_x_map, command);
+    if (shortcut != NULL)
+        return g_strdup_printf ("%s %s", ext_map, shortcut);
+
+    return NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+edit_get_title (const WDialog * h, size_t len)
+{
+    const WEdit *edit;
+    const char *modified;
+    const char *file_label;
+    char *filename;
+
+    edit = edit_find_editor (h);
+    modified = edit->modified ? "(*) " : "    ";
+
+    len -= 4;
+
+    if (edit->filename_vpath == NULL)
+        filename = g_strdup (_("[NoName]"));
+    else
+        filename = g_strdup (vfs_path_as_str (edit->filename_vpath));
+
+    file_label = str_term_trim (filename, len - str_term_width1 (_("Edit: ")));
+    g_free (filename);
+
+    return g_strconcat (_("Edit: "), modified, file_label, (char *) NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+edit_dialog_command_execute (WDialog * h, long command)
+{
+    WGroup *g = GROUP (h);
+    cb_ret_t ret = MSG_HANDLED;
+
+    switch (command)
+    {
+    case CK_EditNew:
+        edit_load_file_from_filename (h, NULL, 0);
+        break;
+    case CK_EditFile:
+        edit_load_cmd (h);
+        break;
+    case CK_History:
+        edit_load_file_from_history (h);
+        break;
+    case CK_EditSyntaxFile:
+        edit_load_syntax_file (h);
+        break;
+    case CK_EditUserMenu:
+        edit_load_menu_file (h);
+        break;
+    case CK_Close:
+        /* if there are no opened files anymore, close MC editor */
+        if (edit_widget_is_editor (CONST_WIDGET (g->current->data)) &&
+            edit_close_cmd (EDIT (g->current->data)) && edit_find_editor (h) == NULL)
+            dlg_close (h);
+        break;
+    case CK_Help:
+        edit_help ();
+        /* edit->force |= REDRAW_COMPLETELY; */
+        break;
+    case CK_Menu:
+        edit_menu_cmd (h);
+        break;
+    case CK_Quit:
+    case CK_Cancel:
+        /* don't close editor due to SIGINT, but stop move/resize window */
+        {
+            Widget *w = WIDGET (g->current->data);
+
+            if (edit_widget_is_editor (w) && EDIT (w)->drag_state != MCEDIT_DRAG_NONE)
+                edit_restore_size (EDIT (w));
+            else if (command == CK_Quit)
+                dlg_close (h);
+        }
+        break;
+    case CK_About:
+        edit_about ();
+        break;
+    case CK_SyntaxOnOff:
+        edit_syntax_onoff_cmd (h);
+        break;
+    case CK_ShowTabTws:
+        edit_show_tabs_tws_cmd (h);
+        break;
+    case CK_ShowMargin:
+        edit_show_margin_cmd (h);
+        break;
+    case CK_ShowNumbers:
+        edit_show_numbers_cmd (h);
+        break;
+    case CK_Refresh:
+        edit_refresh_cmd ();
+        break;
+    case CK_Shell:
+        toggle_subshell ();
+        break;
+    case CK_LearnKeys:
+        learn_keys ();
+        break;
+    case CK_WindowMove:
+    case CK_WindowResize:
+        if (edit_widget_is_editor (CONST_WIDGET (g->current->data)))
+            edit_handle_move_resize (EDIT (g->current->data), command);
+        break;
+    case CK_WindowList:
+        edit_window_list (h);
+        break;
+    case CK_WindowNext:
+        group_select_next_widget (g);
+        break;
+    case CK_WindowPrev:
+        group_select_prev_widget (g);
+        break;
+    case CK_Options:
+        edit_options_dialog (h);
+        break;
+    case CK_OptionsSaveMode:
+        edit_save_mode_cmd ();
+        break;
+    case CK_SaveSetup:
+        save_setup_cmd ();
+        break;
+    default:
+        ret = MSG_NOT_HANDLED;
+        break;
+    }
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Translate the keycode into either 'command' or 'char_for_insertion'.
+ * 'command' is one of the editor commands from lib/keybind.h.
+ */
+
+static gboolean
+edit_translate_key (WEdit * edit, long x_key, int *cmd, int *ch)
+{
+    Widget *w = WIDGET (edit);
+    long command = CK_InsertChar;
+    int char_for_insertion = -1;
+
+    /* an ordinary insertable character */
+    if (!w->ext_mode && x_key < 256)
+    {
+#ifndef HAVE_CHARSET
+        if (is_printable (x_key))
+        {
+            char_for_insertion = x_key;
+            goto fin;
+        }
+#else
+        int c;
+
+        if (edit->charpoint >= MB_LEN_MAX)
+        {
+            edit->charpoint = 0;
+            edit->charbuf[edit->charpoint] = '\0';
+        }
+        if (edit->charpoint < MB_LEN_MAX)
+        {
+            edit->charbuf[edit->charpoint++] = x_key;
+            edit->charbuf[edit->charpoint] = '\0';
+        }
+
+        /* input from 8-bit locale */
+        if (!mc_global.utf8_display)
+        {
+            /* source is in 8-bit codeset */
+            c = convert_from_input_c (x_key);
+
+            if (is_printable (c))
+            {
+                if (!edit->utf8)
+                    char_for_insertion = c;
+                else
+                    char_for_insertion = convert_from_8bit_to_utf_c2 ((char) x_key);
+                goto fin;
+            }
+        }
+        else
+        {
+            /* UTF-8 locale */
+            int res;
+
+            res = str_is_valid_char (edit->charbuf, edit->charpoint);
+            if (res < 0 && res != -2)
+            {
+                edit->charpoint = 0;    /* broken multibyte char, skip */
+                goto fin;
+            }
+
+            if (edit->utf8)
+            {
+                /* source is in UTF-8 codeset */
+                if (res < 0)
+                {
+                    char_for_insertion = x_key;
+                    goto fin;
+                }
+
+                edit->charbuf[edit->charpoint] = '\0';
+                edit->charpoint = 0;
+                if (g_unichar_isprint (g_utf8_get_char (edit->charbuf)))
+                {
+                    char_for_insertion = x_key;
+                    goto fin;
+                }
+            }
+            else
+            {
+                /* 8-bit source */
+                if (res < 0)
+                {
+                    /* not finished multibyte input (we're in the middle of multibyte utf-8 char) */
+                    goto fin;
+                }
+
+                if (g_unichar_isprint (g_utf8_get_char (edit->charbuf)))
+                {
+                    c = convert_from_utf_to_current (edit->charbuf);
+                    edit->charbuf[0] = '\0';
+                    edit->charpoint = 0;
+                    char_for_insertion = c;
+                    goto fin;
+                }
+
+                /* non-printable utf-8 input, skip it */
+                edit->charbuf[0] = '\0';
+                edit->charpoint = 0;
+            }
+        }
+#endif /* HAVE_CHARSET */
+    }
+
+    /* Commands specific to the key emulation */
+    command = widget_lookup_key (w, x_key);
+    if (command == CK_IgnoreKey)
+        command = CK_InsertChar;
+
+  fin:
+    *cmd = (int) command;       /* FIXME */
+    *ch = char_for_insertion;
+
+    return !(command == CK_InsertChar && char_for_insertion == -1);
+}
+
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_quit (WDialog * h)
+{
+    GList *l;
+    WEdit *e = NULL;
+    GSList *m = NULL;
+    GSList *me;
+
+    /* don't stop the dialog before final decision */
+    widget_set_state (WIDGET (h), WST_ACTIVE, TRUE);
+
+    /* check window state and get modified files */
+    for (l = GROUP (h)->widgets; l != NULL; l = g_list_next (l))
+        if (edit_widget_is_editor (CONST_WIDGET (l->data)))
+        {
+            e = EDIT (l->data);
+
+            if (e->drag_state != MCEDIT_DRAG_NONE)
+            {
+                edit_restore_size (e);
+                g_slist_free (m);
+                return;
+            }
+
+            /* create separate list because widget_select()
+               changes the window position in Z order */
+            if (e->modified)
+                m = g_slist_prepend (m, l->data);
+        }
+
+    for (me = m; me != NULL; me = g_slist_next (me))
+    {
+        e = EDIT (me->data);
+
+        widget_select (WIDGET (e));
+
+        if (!edit_ok_to_exit (e))
+            break;
+    }
+
+    /* if all files were checked, quit editor */
+    if (me == NULL)
+        dlg_close (h);
+
+    g_slist_free (m);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+edit_set_buttonbar (WEdit * edit, WButtonBar * bb)
+{
+    Widget *w = WIDGET (edit);
+
+    buttonbar_set_label (bb, 1, Q_ ("ButtonBar|Help"), w->keymap, NULL);
+    buttonbar_set_label (bb, 2, Q_ ("ButtonBar|Save"), w->keymap, w);
+    buttonbar_set_label (bb, 3, Q_ ("ButtonBar|Mark"), w->keymap, w);
+    buttonbar_set_label (bb, 4, Q_ ("ButtonBar|Replac"), w->keymap, w);
+    buttonbar_set_label (bb, 5, Q_ ("ButtonBar|Copy"), w->keymap, w);
+    buttonbar_set_label (bb, 6, Q_ ("ButtonBar|Move"), w->keymap, w);
+    buttonbar_set_label (bb, 7, Q_ ("ButtonBar|Search"), w->keymap, w);
+    buttonbar_set_label (bb, 8, Q_ ("ButtonBar|Delete"), w->keymap, w);
+    buttonbar_set_label (bb, 9, Q_ ("ButtonBar|PullDn"), w->keymap, NULL);
+    buttonbar_set_label (bb, 10, Q_ ("ButtonBar|Quit"), w->keymap, NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_total_update (WEdit * edit)
+{
+    edit_find_bracket (edit);
+    edit->force |= REDRAW_COMPLETELY;
+    edit_update_curs_row (edit);
+    edit_update_screen (edit);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+edit_update_cursor (WEdit * edit, const mouse_event_t * event)
+{
+    int x, y;
+    gboolean done;
+
+    x = event->x - (edit->fullscreen ? 0 : 1);
+    y = event->y - (edit->fullscreen ? 0 : 1);
+
+    if (edit->mark2 != -1 && event->msg == MSG_MOUSE_UP)
+        return TRUE;            /* don't do anything */
+
+    if (event->msg == MSG_MOUSE_DOWN || event->msg == MSG_MOUSE_UP)
+        edit_push_key_press (edit);
+
+    if (!edit_options.cursor_beyond_eol)
+        edit->prev_col = x - edit->start_col - edit_options.line_state_width;
+    else
+    {
+        long line_len;
+
+        line_len =
+            edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0,
+                                edit_buffer_get_current_eol (&edit->buffer));
+
+        if (x > line_len - 1)
+        {
+            edit->over_col = x - line_len - edit->start_col - edit_options.line_state_width;
+            edit->prev_col = line_len;
+        }
+        else
+        {
+            edit->over_col = 0;
+            edit->prev_col = x - edit_options.line_state_width - edit->start_col;
+        }
+    }
+
+    if (y > edit->curs_row)
+        edit_move_down (edit, y - edit->curs_row, FALSE);
+    else if (y < edit->curs_row)
+        edit_move_up (edit, edit->curs_row - y, FALSE);
+    else
+        edit_move_to_prev_col (edit, edit_buffer_get_current_bol (&edit->buffer));
+
+    if (event->msg == MSG_MOUSE_CLICK)
+    {
+        edit_mark_cmd (edit, TRUE);     /* reset */
+        edit->highlight = 0;
+    }
+
+    done = (event->msg != MSG_MOUSE_DRAG);
+    if (done)
+        edit_mark_cmd (edit, FALSE);
+
+    return done;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Callback for the edit dialog */
+
+static cb_ret_t
+edit_dialog_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WGroup *g = GROUP (w);
+    WDialog *h = DIALOG (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        edit_dlg_init ();
+        return MSG_HANDLED;
+
+    case MSG_RESIZE:
+        dlg_default_callback (w, NULL, MSG_RESIZE, 0, NULL);
+        menubar_arrange (menubar_find (h));
+        return MSG_HANDLED;
+
+    case MSG_ACTION:
+        {
+            /* Handle shortcuts, menu, and buttonbar. */
+
+            cb_ret_t result;
+
+            result = edit_dialog_command_execute (h, parm);
+
+            /* We forward any commands coming from the menu, and which haven't been
+               handled by the dialog, to the focused WEdit window. */
+            if (result == MSG_NOT_HANDLED && sender == WIDGET (menubar_find (h)))
+                result = send_message (g->current->data, NULL, MSG_ACTION, parm, NULL);
+
+            return result;
+        }
+
+    case MSG_KEY:
+        {
+            Widget *we = WIDGET (g->current->data);
+            cb_ret_t ret = MSG_NOT_HANDLED;
+
+            if (edit_widget_is_editor (we))
+            {
+                gboolean ext_mode;
+                long command;
+
+                /* keep and then extmod flag */
+                ext_mode = we->ext_mode;
+                command = widget_lookup_key (we, parm);
+                we->ext_mode = ext_mode;
+
+                if (command == CK_IgnoreKey)
+                    we->ext_mode = FALSE;
+                else
+                {
+                    ret = edit_dialog_command_execute (h, command);
+                    /* if command was not handled, keep the extended mode
+                       for the further key processing */
+                    if (ret == MSG_HANDLED)
+                        we->ext_mode = FALSE;
+                }
+            }
+
+            /*
+             * Due to the "end of bracket" escape the editor sees input with is_idle() == false
+             * (expects more characters) and hence doesn't yet refresh the screen, but then
+             * no further characters arrive (there's only an "end of bracket" which is swallowed
+             * by tty_get_event()), so you end up with a screen that's not refreshed after pasting.
+             * So let's trigger an IDLE signal.
+             */
+            if (!is_idle ())
+                widget_idle (w, TRUE);
+            return ret;
+        }
+
+        /* hardcoded menu hotkeys (see edit_drop_hotkey_menu) */
+    case MSG_UNHANDLED_KEY:
+        return edit_drop_hotkey_menu (h, parm) ? MSG_HANDLED : MSG_NOT_HANDLED;
+
+    case MSG_VALIDATE:
+        edit_quit (h);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        edit_dlg_deinit ();
+        return MSG_HANDLED;
+
+    case MSG_IDLE:
+        widget_idle (w, FALSE);
+        return send_message (g->current->data, NULL, MSG_IDLE, 0, NULL);
+
+    default:
+        return dlg_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Handle mouse events of editor screen.
+ *
+ * @param w Widget object (the editor)
+ * @param msg mouse event message
+ * @param event mouse event data
+ */
+static void
+edit_dialog_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    gboolean unhandled = TRUE;
+
+    if (msg == MSG_MOUSE_DOWN && event->y == 0)
+    {
+        WGroup *g = GROUP (w);
+        WDialog *h = DIALOG (w);
+        WMenuBar *b;
+
+        b = menubar_find (h);
+
+        if (!widget_get_state (WIDGET (b), WST_FOCUSED))
+        {
+            /* menubar */
+
+            GList *l;
+            GList *top = NULL;
+            int x;
+
+            /* Try find top fullscreen window */
+            for (l = g->widgets; l != NULL; l = g_list_next (l))
+                if (edit_widget_is_editor (CONST_WIDGET (l->data)) && EDIT (l->data)->fullscreen)
+                    top = l;
+
+            /* Handle fullscreen/close buttons in the top line */
+            x = w->rect.cols - 6;
+
+            if (top != NULL && event->x >= x)
+            {
+                WEdit *e = EDIT (top->data);
+
+                if (top != g->current)
+                {
+                    /* Window is not active. Activate it */
+                    widget_select (WIDGET (e));
+                }
+
+                /* Handle buttons */
+                if (event->x - x <= 2)
+                    edit_toggle_fullscreen (e);
+                else
+                    send_message (h, NULL, MSG_ACTION, CK_Close, NULL);
+
+                unhandled = FALSE;
+            }
+
+            if (unhandled)
+                menubar_activate (b, drop_menus, -1);
+        }
+    }
+
+    /* Continue handling of unhandled event in window or menu */
+    event->result.abort = unhandled;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+edit_dialog_bg_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    switch (msg)
+    {
+    case MSG_INIT:
+        w->rect = WIDGET (w->owner)->rect;
+        rect_grow (&w->rect, -1, 0);
+        w->pos_flags |= WPOS_KEEP_ALL;
+        return MSG_HANDLED;
+
+    default:
+        return background_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+edit_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WEdit *e = EDIT (w);
+
+    switch (msg)
+    {
+    case MSG_FOCUS:
+        edit_set_buttonbar (e, buttonbar_find (DIALOG (w->owner)));
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        e->force |= REDRAW_COMPLETELY;
+        edit_update_screen (e);
+        return MSG_HANDLED;
+
+    case MSG_KEY:
+        {
+            int cmd, ch;
+            cb_ret_t ret = MSG_NOT_HANDLED;
+
+            /* The user may override the access-keys for the menu bar. */
+            if (macro_index == -1 && edit_execute_macro (e, parm))
+            {
+                edit_update_screen (e);
+                ret = MSG_HANDLED;
+            }
+            else if (edit_translate_key (e, parm, &cmd, &ch))
+            {
+                edit_execute_key_command (e, cmd, ch);
+                edit_update_screen (e);
+                ret = MSG_HANDLED;
+            }
+
+            return ret;
+        }
+
+    case MSG_ACTION:
+        /* command from menubar or buttonbar */
+        edit_execute_key_command (e, parm, -1);
+        edit_update_screen (e);
+        return MSG_HANDLED;
+
+    case MSG_CURSOR:
+        {
+            int y, x;
+
+            y = (e->fullscreen ? 0 : 1) + EDIT_TEXT_VERTICAL_OFFSET + e->curs_row;
+            x = (e->fullscreen ? 0 : 1) + EDIT_TEXT_HORIZONTAL_OFFSET +
+                edit_options.line_state_width + e->curs_col + e->start_col + e->over_col;
+
+            widget_gotoyx (w, y, x);
+            return MSG_HANDLED;
+        }
+
+    case MSG_IDLE:
+        edit_update_screen (e);
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        edit_clean (e);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Handle move/resize mouse events.
+ */
+static void
+edit_mouse_handle_move_resize (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    WEdit *edit = EDIT (w);
+    WRect *r = &w->rect;
+    const WRect *h = &CONST_WIDGET (w->owner)->rect;
+    int global_x, global_y;
+
+    if (msg == MSG_MOUSE_UP)
+    {
+        /* Exit move/resize mode. */
+        edit_execute_cmd (edit, CK_Enter, -1);
+        edit_update_screen (edit);      /* Paint the buttonbar over our possibly overlapping frame. */
+        return;
+    }
+
+    if (msg != MSG_MOUSE_DRAG)
+        /**
+         * We ignore any other events. Specifically, MSG_MOUSE_DOWN.
+         *
+         * When the move/resize is initiated by the menu, we let the user
+         * stop it by clicking with the mouse. Which is why we don't want
+         * a mouse down to affect the window.
+         */
+        return;
+
+    /* Convert point to global coordinates for easier calculations. */
+    global_x = event->x + r->x;
+    global_y = event->y + r->y;
+
+    /* Clamp the point to the dialog's client area. */
+    global_y = CLAMP (global_y, h->y + 1, h->y + h->lines - 2); /* Status line, buttonbar */
+    global_x = CLAMP (global_x, h->x, h->x + h->cols - 1);      /* Currently a no-op, as the dialog has no left/right margins. */
+
+    if (edit->drag_state == MCEDIT_DRAG_MOVE)
+    {
+        r->y = global_y;
+        r->x = global_x - edit->drag_state_start;
+    }
+    else if (edit->drag_state == MCEDIT_DRAG_RESIZE)
+    {
+        r->lines = MAX (WINDOW_MIN_LINES, global_y - r->y + 1);
+        r->cols = MAX (WINDOW_MIN_COLS, global_x - r->x + 1);
+    }
+
+    edit->force |= REDRAW_COMPLETELY;   /* Not really needed as WEdit's MSG_DRAW already does this. */
+
+    /* We draw the whole dialog because dragging/resizing exposes area beneath. */
+    widget_draw (WIDGET (w->owner));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/**
+ * Handle mouse events of editor window
+ *
+ * @param w Widget object (the editor window)
+ * @param msg mouse event message
+ * @param event mouse event data
+ */
+static void
+edit_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event)
+{
+    WEdit *edit = EDIT (w);
+    /* buttons' distance from right edge */
+    int dx = edit->fullscreen ? 0 : 2;
+    /* location of 'Close' and 'Toggle fullscreen' pictograms */
+    int close_x, toggle_fullscreen_x;
+
+    close_x = (w->rect.cols - 1) - dx - 1;
+    toggle_fullscreen_x = close_x - 3;
+
+    if (edit->drag_state != MCEDIT_DRAG_NONE)
+    {
+        /* window is being resized/moved */
+        edit_mouse_handle_move_resize (w, msg, event);
+        return;
+    }
+
+    /* If it's the last line on the screen, we abort the event to make the
+     * system channel it to the overlapping buttonbar instead. We have to do
+     * this because a WEdit has the WOP_TOP_SELECT flag, which makes it above
+     * the buttonbar in Z-order. */
+    if (msg == MSG_MOUSE_DOWN && (event->y + w->rect.y == LINES - 1))
+    {
+        event->result.abort = TRUE;
+        return;
+    }
+
+    switch (msg)
+    {
+    case MSG_MOUSE_DOWN:
+        widget_select (w);
+        edit_update_curs_row (edit);
+        edit_update_curs_col (edit);
+
+        if (!edit->fullscreen)
+        {
+            if (event->y == 0)
+            {
+                if (event->x >= close_x - 1 && event->x <= close_x + 1)
+                    ;           /* do nothing (see MSG_MOUSE_CLICK) */
+                else if (event->x >= toggle_fullscreen_x - 1 && event->x <= toggle_fullscreen_x + 1)
+                    ;           /* do nothing (see MSG_MOUSE_CLICK) */
+                else
+                {
+                    /* start window move */
+                    edit_execute_cmd (edit, CK_WindowMove, -1);
+                    edit_update_screen (edit);  /* Paint the buttonbar over our possibly overlapping frame. */
+                    edit->drag_state_start = event->x;
+                }
+                break;
+            }
+
+            if (event->y == w->rect.lines - 1 && event->x == w->rect.cols - 1)
+            {
+                /* bottom-right corner -- start window resize */
+                edit_execute_cmd (edit, CK_WindowResize, -1);
+                break;
+            }
+        }
+
+        MC_FALLTHROUGH;         /* to start/stop text selection */
+
+    case MSG_MOUSE_UP:
+        edit_update_cursor (edit, event);
+        edit_total_update (edit);
+        break;
+
+    case MSG_MOUSE_CLICK:
+        if (event->y == 0)
+        {
+            if (event->x >= close_x - 1 && event->x <= close_x + 1)
+                send_message (w->owner, NULL, MSG_ACTION, CK_Close, NULL);
+            else if (event->x >= toggle_fullscreen_x - 1 && event->x <= toggle_fullscreen_x + 1)
+                edit_toggle_fullscreen (edit);
+            else if (!edit->fullscreen && event->count == GPM_DOUBLE)
+                /* double click on top line (toggle fullscreen) */
+                edit_toggle_fullscreen (edit);
+        }
+        else if (event->count == GPM_DOUBLE)
+        {
+            /* double click */
+            edit_mark_current_word_cmd (edit);
+            edit_total_update (edit);
+        }
+        else if (event->count == GPM_TRIPLE)
+        {
+            /* triple click: works in GPM only, not in xterm */
+            edit_mark_current_line_cmd (edit);
+            edit_total_update (edit);
+        }
+        break;
+
+    case MSG_MOUSE_DRAG:
+        edit_update_cursor (edit, event);
+        edit_total_update (edit);
+        break;
+
+    case MSG_MOUSE_SCROLL_UP:
+        edit_move_up (edit, 2, TRUE);
+        edit_total_update (edit);
+        break;
+
+    case MSG_MOUSE_SCROLL_DOWN:
+        edit_move_down (edit, 2, TRUE);
+        edit_total_update (edit);
+        break;
+
+    default:
+        break;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Edit one file.
+ *
+ * @param file_vpath file object
+ * @param line       line number
+ * @return TRUE if no errors was occurred, FALSE otherwise
+ */
+
+gboolean
+edit_file (const vfs_path_t * file_vpath, long line)
+{
+    mcedit_arg_t arg = { (vfs_path_t *) file_vpath, line };
+    GList *files;
+    gboolean ok;
+
+    files = g_list_prepend (NULL, &arg);
+    ok = edit_files (files);
+    g_list_free (files);
+
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+edit_files (const GList * files)
+{
+    static gboolean made_directory = FALSE;
+    WDialog *edit_dlg;
+    WGroup *g;
+    WMenuBar *menubar;
+    Widget *w, *wd;
+    const GList *file;
+    gboolean ok = FALSE;
+
+    if (!made_directory)
+    {
+        char *dir;
+
+        dir = mc_build_filename (mc_config_get_cache_path (), EDIT_HOME_DIR, (char *) NULL);
+        made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
+        g_free (dir);
+
+        dir = mc_build_filename (mc_config_get_path (), EDIT_HOME_DIR, (char *) NULL);
+        made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
+        g_free (dir);
+
+        dir = mc_build_filename (mc_config_get_data_path (), EDIT_HOME_DIR, (char *) NULL);
+        made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
+        g_free (dir);
+    }
+
+    /* Create a new dialog and add it widgets to it */
+    edit_dlg =
+        dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, NULL, edit_dialog_callback,
+                    edit_dialog_mouse_callback, "[Internal File Editor]", NULL);
+    wd = WIDGET (edit_dlg);
+    widget_want_tab (wd, TRUE);
+    wd->keymap = editor_map;
+    wd->ext_keymap = editor_x_map;
+
+    edit_dlg->get_shortcut = edit_get_shortcut;
+    edit_dlg->get_title = edit_get_title;
+
+    g = GROUP (edit_dlg);
+
+    edit_dlg->bg =
+        WIDGET (background_new
+                (1, 0, wd->rect.lines - 2, wd->rect.cols, EDITOR_BACKGROUND, ' ',
+                 edit_dialog_bg_callback));
+    group_add_widget (g, edit_dlg->bg);
+
+    menubar = menubar_new (NULL);
+    w = WIDGET (menubar);
+    group_add_widget_autopos (g, w, w->pos_flags, NULL);
+    edit_init_menu (menubar);
+
+    w = WIDGET (buttonbar_new ());
+    group_add_widget_autopos (g, w, w->pos_flags, NULL);
+
+    for (file = files; file != NULL; file = g_list_next (file))
+    {
+        mcedit_arg_t *f = (mcedit_arg_t *) file->data;
+        gboolean f_ok;
+
+        f_ok = edit_load_file_from_filename (edit_dlg, f->file_vpath, f->line_number);
+        /* at least one file has been opened succefully */
+        ok = ok || f_ok;
+    }
+
+    if (ok)
+        dlg_run (edit_dlg);
+
+    if (!ok || widget_get_state (wd, WST_CLOSED))
+        widget_destroy (wd);
+
+    return ok;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+edit_get_file_name (const WEdit * edit)
+{
+    return vfs_path_as_str (edit->filename_vpath);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+WEdit *
+edit_find_editor (const WDialog * h)
+{
+    const WGroup *g = CONST_GROUP (h);
+
+    if (edit_widget_is_editor (CONST_WIDGET (g->current->data)))
+        return EDIT (g->current->data);
+    return EDIT (widget_find_by_type (CONST_WIDGET (h), edit_callback));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check if widget is an WEdit class.
+ *
+ * @param w probably editor object
+ * @return TRUE if widget is an WEdit class, FALSE otherwise
+ */
+
+gboolean
+edit_widget_is_editor (const Widget * w)
+{
+    return (w != NULL && w->callback == edit_callback);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_update_screen (WEdit * e)
+{
+    edit_scroll_screen_over_cursor (e);
+    edit_update_curs_col (e);
+    edit_status (e, widget_get_state (WIDGET (e), WST_FOCUSED));
+
+    /* pop all events for this window for internal handling */
+    if (!is_idle ())
+        e->force |= REDRAW_PAGE;
+    else
+    {
+        if ((e->force & REDRAW_COMPLETELY) != 0)
+            e->force |= REDRAW_PAGE;
+        edit_render_keypress (e);
+    }
+
+    widget_draw (WIDGET (buttonbar_find (DIALOG (WIDGET (e)->owner))));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Save current window size.
+ *
+ * @param edit editor object
+ */
+
+void
+edit_save_size (WEdit * edit)
+{
+    edit->loc_prev = WIDGET (edit)->rect;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Create new editor window and insert it into editor screen.
+ *
+ * @param h     editor dialog (screen)
+ * @param y     y coordinate
+ * @param x     x coordinate
+ * @param lines window height
+ * @param cols  window width
+ * @param f     file object
+ * @param fline line number in file
+ * @return TRUE if new window was successfully created and inserted into editor screen,
+ *         FALSE otherwise
+ */
+
+gboolean
+edit_add_window (WDialog * h, const WRect * r, const vfs_path_t * f, long fline)
+{
+    WEdit *edit;
+    Widget *w;
+
+    edit = edit_init (NULL, r, f, fline);
+    if (edit == NULL)
+        return FALSE;
+
+    w = WIDGET (edit);
+    w->callback = edit_callback;
+    w->mouse_callback = edit_mouse_callback;
+
+    group_add_widget_autopos (GROUP (h), w, WPOS_KEEP_ALL, NULL);
+    edit_set_buttonbar (edit, buttonbar_find (h));
+    widget_draw (WIDGET (h));
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Handle move/resize events.
+ *
+ * @param edit    editor object
+ * @param command action id
+ * @return TRUE if the action was handled, FALSE otherwise
+ */
+
+gboolean
+edit_handle_move_resize (WEdit * edit, long command)
+{
+    Widget *w = WIDGET (edit);
+    gboolean ret = FALSE;
+
+    if (edit->fullscreen)
+    {
+        edit->drag_state = MCEDIT_DRAG_NONE;
+        w->mouse.forced_capture = FALSE;
+        return ret;
+    }
+
+    switch (edit->drag_state)
+    {
+    case MCEDIT_DRAG_NONE:
+        /* possible start move/resize */
+        switch (command)
+        {
+        case CK_WindowMove:
+            edit->drag_state = MCEDIT_DRAG_MOVE;
+            edit_save_size (edit);
+            edit_status (edit, TRUE);   /* redraw frame and status */
+            /**
+             * If a user initiates a move by the menu, not by the mouse, we
+             * make a subsequent mouse drag pull the frame from its middle.
+             * (We can instead choose '0' to pull it from the corner.)
+             */
+            edit->drag_state_start = w->rect.cols / 2;
+            ret = TRUE;
+            break;
+        case CK_WindowResize:
+            edit->drag_state = MCEDIT_DRAG_RESIZE;
+            edit_save_size (edit);
+            edit_status (edit, TRUE);   /* redraw frame and status */
+            ret = TRUE;
+            break;
+        default:
+            break;
+        }
+        break;
+
+    case MCEDIT_DRAG_MOVE:
+        switch (command)
+        {
+        case CK_WindowResize:
+            edit->drag_state = MCEDIT_DRAG_RESIZE;
+            ret = TRUE;
+            break;
+        case CK_Up:
+        case CK_Down:
+        case CK_Left:
+        case CK_Right:
+            edit_window_move (edit, command);
+            ret = TRUE;
+            break;
+        case CK_Enter:
+        case CK_WindowMove:
+            edit->drag_state = MCEDIT_DRAG_NONE;
+            edit_status (edit, TRUE);   /* redraw frame and status */
+            MC_FALLTHROUGH;
+        default:
+            ret = TRUE;
+            break;
+        }
+        break;
+
+    case MCEDIT_DRAG_RESIZE:
+        switch (command)
+        {
+        case CK_WindowMove:
+            edit->drag_state = MCEDIT_DRAG_MOVE;
+            ret = TRUE;
+            break;
+        case CK_Up:
+        case CK_Down:
+        case CK_Left:
+        case CK_Right:
+            edit_window_resize (edit, command);
+            ret = TRUE;
+            break;
+        case CK_Enter:
+        case CK_WindowResize:
+            edit->drag_state = MCEDIT_DRAG_NONE;
+            edit_status (edit, TRUE);   /* redraw frame and status */
+            MC_FALLTHROUGH;
+        default:
+            ret = TRUE;
+            break;
+        }
+        break;
+
+    default:
+        break;
+    }
+
+    /**
+     * - We let the user stop a resize/move operation by clicking with the
+     *   mouse anywhere. ("clicking" = pressing and releasing a button.)
+     * - We let the user perform a resize/move operation by a mouse drag
+     *   initiated anywhere.
+     *
+     * "Anywhere" means: inside or outside the window. We make this happen
+     * with the 'forced_capture' flag.
+     */
+    w->mouse.forced_capture = (edit->drag_state != MCEDIT_DRAG_NONE);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Toggle window fuulscreen mode.
+ *
+ * @param edit editor object
+ */
+
+void
+edit_toggle_fullscreen (WEdit * edit)
+{
+    Widget *w = WIDGET (edit);
+
+    edit->fullscreen = !edit->fullscreen;
+    edit->force = REDRAW_COMPLETELY;
+
+    if (!edit->fullscreen)
+    {
+        edit_restore_size (edit);
+        /* do not follow screen size on resize */
+        w->pos_flags = WPOS_KEEP_DEFAULT;
+    }
+    else
+    {
+        WRect r;
+
+        edit_save_size (edit);
+        r = WIDGET (w->owner)->rect;
+        rect_grow (&r, -1, 0);
+        widget_set_size_rect (w, &r);
+        /* follow screen size on resize */
+        w->pos_flags = WPOS_KEEP_ALL;
+        edit->force |= REDRAW_PAGE;
+        edit_update_screen (edit);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/editwidget.h b/src/editor/editwidget.h
new file mode 100644
index 0000000..769b91a
--- /dev/null
+++ b/src/editor/editwidget.h
@@ -0,0 +1,173 @@
+/** \file
+ *  \brief Header: editor widget WEdit
+ */
+
+#ifndef MC__EDIT_WIDGET_H
+#define MC__EDIT_WIDGET_H
+
+#include <limits.h>             /* MB_LEN_MAX */
+
+#include "lib/search.h"         /* mc_search_t */
+#include "lib/widget.h"         /* Widget */
+
+#include "edit-impl.h"
+#include "editbuffer.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+#define N_LINE_CACHES 32
+
+/*** enums ***************************************************************************************/
+
+/**
+    enum for store the search conditions check results.
+    (if search condition have BOL(^) or EOL ($) regexp checial characters).
+*/
+typedef enum
+{
+    AT_START_LINE = (1 << 0),
+    AT_END_LINE = (1 << 1)
+} edit_search_line_t;
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct edit_book_mark_t edit_book_mark_t;
+struct edit_book_mark_t
+{
+    long line;                  /* line number */
+    int c;                      /* color */
+    edit_book_mark_t *next;
+    edit_book_mark_t *prev;
+};
+
+typedef struct edit_syntax_rule_t edit_syntax_rule_t;
+struct edit_syntax_rule_t
+{
+    unsigned short keyword;
+    off_t end;
+    unsigned char context;
+    unsigned char _context;
+    unsigned char border;
+};
+
+/*
+ * State of WEdit window
+ * MCEDIT_DRAG_NONE   - window is in normal mode
+ * MCEDIT_DRAG_MOVE   - window is being moved
+ * MCEDIT_DRAG_RESIZE - window is being resized
+ */
+typedef enum
+{
+    MCEDIT_DRAG_NONE = 0,
+    MCEDIT_DRAG_MOVE,
+    MCEDIT_DRAG_RESIZE
+} mcedit_drag_state_t;
+
+struct WEdit
+{
+    Widget widget;
+    mcedit_drag_state_t drag_state;
+    int drag_state_start;       /* save cursor position before window moving */
+
+    /* save location before move/resize or toggle to fullscreen */
+    WRect loc_prev;
+
+    vfs_path_t *filename_vpath; /* Name of the file */
+    vfs_path_t *dir_vpath;      /* NULL if filename is absolute */
+
+    /* dynamic buffers and cursor position for editor: */
+    edit_buffer_t buffer;
+
+#ifdef HAVE_CHARSET
+    /* multibyte support */
+    gboolean utf8;              /* It's multibyte file codeset */
+    GIConv converter;
+    char charbuf[MB_LEN_MAX + 1];
+    int charpoint;
+#endif
+
+    /* search handler */
+    mc_search_t *search;
+    int replace_mode;
+    /* is search conditions should be started from BOL(^) or ended with EOL($) */
+    edit_search_line_t search_line_type;
+
+    char *last_search_string;   /* String that have been searched */
+    off_t search_start;         /* First character to start searching from */
+    unsigned long found_len;    /* Length of found string or 0 if none was found */
+    off_t found_start;          /* the found word from a search - start position */
+
+    /* display information */
+    long start_display;         /* First char displayed */
+    long start_col;             /* First displayed column, negative */
+    long max_column;            /* The maximum cursor position ever reached used to calc hori scroll bar */
+    long curs_row;              /* row position of cursor on the screen */
+    long curs_col;              /* column position on screen */
+    long over_col;              /* pos after '\n' */
+    int force;                  /* how much of the screen do we redraw? */
+    unsigned int overwrite:1;   /* Overwrite on type mode (as opposed to insert) */
+    unsigned int modified:1;    /* File has been modified and needs saving */
+    unsigned int loading_done:1;        /* File has been loaded into the editor */
+    unsigned int locked:1;      /* We hold lock on current file */
+    unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
+    unsigned int highlight:1;   /* There is a selected block */
+    unsigned int column_highlight:1;
+    unsigned int fullscreen:1;  /* Is window fullscreen or not */
+    long prev_col;              /* recent column position of the cursor - used when moving
+                                   up or down past lines that are shorter than the current line */
+    long start_line;            /* line number of the top of the page */
+
+    /* file info */
+    off_t mark1;                /* position of highlight start */
+    off_t mark2;                /* position of highlight end */
+    off_t end_mark_curs;        /* position of cursor after end of highlighting */
+    long column1;               /* position of column highlight start */
+    long column2;               /* position of column highlight end */
+    off_t bracket;              /* position of a matching bracket */
+    off_t last_bracket;         /* previous position of a matching bracket */
+
+    /* cache speedup for line lookups */
+    gboolean caches_valid;
+    long line_numbers[N_LINE_CACHES];
+    off_t line_offsets[N_LINE_CACHES];
+
+    edit_book_mark_t *book_mark;
+    GArray *serialized_bookmarks;
+
+    /* undo stack and pointers */
+    unsigned long undo_stack_pointer;
+    long *undo_stack;
+    unsigned long undo_stack_size;
+    unsigned long undo_stack_size_mask;
+    unsigned long undo_stack_bottom;
+    unsigned int undo_stack_disable:1;  /* If not 0, don't save events in the undo stack */
+
+    unsigned long redo_stack_pointer;
+    long *redo_stack;
+    unsigned long redo_stack_size;
+    unsigned long redo_stack_size_mask;
+    unsigned long redo_stack_bottom;
+    unsigned int redo_stack_reset:1;    /* If 1, need clear redo stack */
+
+    struct stat stat1;          /* Result of mc_fstat() on the file */
+    unsigned int skip_detach_prompt:1;  /* Do not prompt whether to detach a file anymore */
+
+    /* syntax highlighting */
+    GSList *syntax_marker;
+    GPtrArray *rules;
+    off_t last_get_rule;
+    edit_syntax_rule_t rule;
+    char *syntax_type;          /* description of syntax highlighting type being used */
+    GTree *defines;             /* List of defines */
+    gboolean is_case_insensitive;       /* selects language case sensitivity */
+
+    /* line break */
+    LineBreaks lb;
+};
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+/*** inline functions ****************************************************************************/
+#endif /* MC__EDIT_WIDGET_H */
diff --git a/src/editor/etags.c b/src/editor/etags.c
new file mode 100644
index 0000000..7b570d6
--- /dev/null
+++ b/src/editor/etags.c
@@ -0,0 +1,468 @@
+/*
+   Editor C-code navigation via tags.
+   make TAGS file via command:
+   $ find . -type f -name "*.[ch]" | etags -l c --declarations -
+
+   or, if etags utility not installed:
+   $ find . -type f -name "*.[ch]" | ctags --c-kinds=+p --fields=+iaS --extra=+q -e -L-
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Ilia Maslakov <il.smind@gmail.com>, 2009
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   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/>.
+ */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "lib/global.h"
+#include "lib/fileloc.h"        /* TAGS_NAME */
+#include "lib/tty/tty.h"        /* LINES, COLS */
+#include "lib/strutil.h"
+#include "lib/util.h"
+
+#include "editwidget.h"
+
+#include "etags.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static int def_max_width;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+etags_hash_free (gpointer data)
+{
+    etags_hash_t *hash = (etags_hash_t *) data;
+
+    g_free (hash->filename);
+    g_free (hash->fullpath);
+    g_free (hash->short_define);
+    g_free (hash);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+parse_define (const char *buf, char **long_name, char **short_name, long *line)
+{
+    /* *INDENT-OFF* */
+    enum
+    {
+        in_longname,
+        in_shortname,
+        in_shortname_first_char,
+        in_line,
+        finish
+    } def_state = in_longname;
+    /* *INDENT-ON* */
+
+    GString *longdef = NULL;
+    GString *shortdef = NULL;
+    GString *linedef = NULL;
+
+    char c = *buf;
+
+    while (!(c == '\0' || c == '\n'))
+    {
+        switch (def_state)
+        {
+        case in_longname:
+            if (c == 0x01)
+                def_state = in_line;
+            else if (c == 0x7F)
+                def_state = in_shortname;
+            else
+            {
+                if (longdef == NULL)
+                    longdef = g_string_sized_new (32);
+
+                g_string_append_c (longdef, c);
+            }
+            break;
+
+        case in_shortname_first_char:
+            if (isdigit (c))
+            {
+                if (shortdef == NULL)
+                    shortdef = g_string_sized_new (32);
+                else
+                    g_string_set_size (shortdef, 0);
+
+                buf--;
+                def_state = in_line;
+            }
+            else if (c == 0x01)
+                def_state = in_line;
+            else
+            {
+                if (shortdef == NULL)
+                    shortdef = g_string_sized_new (32);
+
+                g_string_append_c (shortdef, c);
+                def_state = in_shortname;
+            }
+            break;
+
+        case in_shortname:
+            if (c == 0x01)
+                def_state = in_line;
+            else if (c == '\n')
+                def_state = finish;
+            else
+            {
+                if (shortdef == NULL)
+                    shortdef = g_string_sized_new (32);
+
+                g_string_append_c (shortdef, c);
+            }
+            break;
+
+        case in_line:
+            if (c == ',' || c == '\n')
+                def_state = finish;
+            else if (isdigit (c))
+            {
+                if (linedef == NULL)
+                    linedef = g_string_sized_new (32);
+
+                g_string_append_c (linedef, c);
+            }
+            break;
+
+        case finish:
+            *long_name = longdef == NULL ? NULL : g_string_free (longdef, FALSE);
+            *short_name = shortdef == NULL ? NULL : g_string_free (shortdef, FALSE);
+
+            if (linedef == NULL)
+                *line = 0;
+            else
+            {
+                *line = atol (linedef->str);
+                g_string_free (linedef, TRUE);
+            }
+            return TRUE;
+
+        default:
+            break;
+        }
+
+        buf++;
+        c = *buf;
+    }
+
+    *long_name = NULL;
+    *short_name = NULL;
+    *line = 0;
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GPtrArray *
+etags_set_definition_hash (const char *tagfile, const char *start_path, const char *match_func)
+{
+    /* *INDENT-OFF* */
+    enum
+    {
+        start,
+        in_filename,
+        in_define
+    } state = start;
+    /* *INDENT-ON* */
+
+    FILE *f;
+    char buf[BUF_LARGE];
+    char *filename = NULL;
+    GPtrArray *ret = NULL;
+
+    if (match_func == NULL || tagfile == NULL)
+        return NULL;
+
+    /* open file with positions */
+    f = fopen (tagfile, "r");
+    if (f == NULL)
+        return NULL;
+
+    while (fgets (buf, sizeof (buf), f) != NULL)
+        switch (state)
+        {
+        case start:
+            if (buf[0] == 0x0C)
+                state = in_filename;
+            break;
+
+        case in_filename:
+            {
+                size_t pos;
+
+                pos = strcspn (buf, ",");
+                g_free (filename);
+                filename = g_strndup (buf, pos);
+                state = in_define;
+                break;
+            }
+
+        case in_define:
+            if (buf[0] == 0x0C)
+                state = in_filename;
+            else
+            {
+                char *chekedstr;
+
+                /* check if the filename matches the define pos */
+                chekedstr = strstr (buf, match_func);
+                if (chekedstr != NULL)
+                {
+                    char *longname = NULL;
+                    char *shortname = NULL;
+                    etags_hash_t *def_hash;
+
+                    def_hash = g_new (etags_hash_t, 1);
+
+                    def_hash->fullpath = mc_build_filename (start_path, filename, (char *) NULL);
+                    def_hash->filename = g_strdup (filename);
+
+                    def_hash->line = 0;
+
+                    parse_define (chekedstr, &longname, &shortname, &def_hash->line);
+
+                    if (shortname != NULL && *shortname != '\0')
+                    {
+                        def_hash->short_define = shortname;
+                        g_free (longname);
+                    }
+                    else
+                    {
+                        def_hash->short_define = longname;
+                        g_free (shortname);
+                    }
+
+                    if (ret == NULL)
+                        ret = g_ptr_array_new_with_free_func (etags_hash_free);
+
+                    g_ptr_array_add (ret, def_hash);
+                }
+            }
+            break;
+
+        default:
+            break;
+        }
+
+    g_free (filename);
+    fclose (f);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+editcmd_dialog_select_definition_add (gpointer data, gpointer user_data)
+{
+    etags_hash_t *def_hash = (etags_hash_t *) data;
+    WListbox *def_list = (WListbox *) user_data;
+    char *label_def;
+    int def_width;
+
+    label_def =
+        g_strdup_printf ("%s -> %s:%ld", def_hash->short_define, def_hash->filename,
+                         def_hash->line);
+    listbox_add_item (def_list, LISTBOX_APPEND_AT_END, 0, label_def, def_hash, FALSE);
+    def_width = str_term_width1 (label_def);
+    g_free (label_def);
+    def_max_width = MAX (def_max_width, def_width);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/* let the user select where function definition */
+
+static void
+editcmd_dialog_select_definition_show (WEdit * edit, char *match_expr, GPtrArray * def_hash)
+{
+    const WRect *w = &CONST_WIDGET (edit)->rect;
+    int start_x, start_y, offset;
+    char *curr = NULL;
+    WDialog *def_dlg;
+    WListbox *def_list;
+    int def_dlg_h;              /* dialog height */
+    int def_dlg_w;              /* dialog width */
+
+    /* calculate the dialog metrics */
+    def_dlg_h = def_hash->len + 2;
+    def_dlg_w = COLS - 2;       /* will be clarified later */
+    start_x = w->x + edit->curs_col + edit->start_col + EDIT_TEXT_HORIZONTAL_OFFSET +
+        (edit->fullscreen ? 0 : 1) + edit_options.line_state_width;
+    start_y = w->y + edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + (edit->fullscreen ? 0 : 1) + 1;
+
+    if (start_x < 0)
+        start_x = 0;
+    if (start_x < w->x + 1)
+        start_x = w->x + 1 + edit_options.line_state_width;
+
+    if (def_dlg_h > LINES - 2)
+        def_dlg_h = LINES - 2;
+
+    offset = start_y + def_dlg_h - LINES;
+    if (offset > 0)
+        start_y -= (offset + 1);
+
+    def_dlg = dlg_create (TRUE, start_y, start_x, def_dlg_h, def_dlg_w, WPOS_KEEP_DEFAULT, TRUE,
+                          dialog_colors, NULL, NULL, "[Definitions]", match_expr);
+    def_list = listbox_new (1, 1, def_dlg_h - 2, def_dlg_w - 2, FALSE, NULL);
+    group_add_widget_autopos (GROUP (def_dlg), def_list, WPOS_KEEP_ALL, NULL);
+
+    /* fill the listbox with the completions and get the maximum width */
+    def_max_width = 0;
+    g_ptr_array_foreach (def_hash, editcmd_dialog_select_definition_add, def_list);
+
+    /* adjust dialog width */
+    def_dlg_w = def_max_width + 4;
+    offset = start_x + def_dlg_w - COLS;
+    if (offset > 0)
+        start_x -= offset;
+
+    widget_set_size (WIDGET (def_dlg), start_y, start_x, def_dlg_h, def_dlg_w);
+
+    /* pop up the dialog and apply the chosen completion */
+    if (dlg_run (def_dlg) == B_ENTER)
+    {
+        etags_hash_t *curr_def = NULL;
+        gboolean do_moveto = FALSE;
+
+        listbox_get_current (def_list, &curr, (void **) &curr_def);
+
+        if (!edit->modified)
+            do_moveto = TRUE;
+        else if (!edit_query_dialog2
+                 (_("Warning"),
+                  _("Current text was modified without a file save.\n"
+                    "Continue discards these changes."), _("C&ontinue"), _("&Cancel")))
+        {
+            edit->force |= REDRAW_COMPLETELY;
+            do_moveto = TRUE;
+        }
+
+        if (curr != NULL && do_moveto && edit_stack_iterator + 1 < MAX_HISTORY_MOVETO)
+        {
+            vfs_path_free (edit_history_moveto[edit_stack_iterator].filename_vpath, TRUE);
+
+            /* Is file path absolute? Prepend with dir_vpath if necessary */
+            if (edit->filename_vpath != NULL && edit->filename_vpath->relative
+                && edit->dir_vpath != NULL)
+                edit_history_moveto[edit_stack_iterator].filename_vpath =
+                    vfs_path_append_vpath_new (edit->dir_vpath, edit->filename_vpath, NULL);
+            else
+                edit_history_moveto[edit_stack_iterator].filename_vpath =
+                    vfs_path_clone (edit->filename_vpath);
+
+            edit_history_moveto[edit_stack_iterator].line = edit->start_line + edit->curs_row + 1;
+            edit_stack_iterator++;
+            vfs_path_free (edit_history_moveto[edit_stack_iterator].filename_vpath, TRUE);
+            edit_history_moveto[edit_stack_iterator].filename_vpath =
+                vfs_path_from_str ((char *) curr_def->fullpath);
+            edit_history_moveto[edit_stack_iterator].line = curr_def->line;
+            edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
+                              edit_history_moveto[edit_stack_iterator].line);
+        }
+    }
+
+    /* destroy dialog before return */
+    widget_destroy (WIDGET (def_dlg));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_get_match_keyword_cmd (WEdit * edit)
+{
+    gsize word_len = 0;
+    gsize i;
+    off_t word_start = 0;
+    GString *match_expr;
+    char *path = NULL;
+    char *ptr = NULL;
+    char *tagfile = NULL;
+    GPtrArray *def_hash = NULL;
+
+    /* search start of word to be completed */
+    if (!edit_buffer_find_word_start (&edit->buffer, &word_start, &word_len))
+        return;
+
+    /* prepare match expression */
+    match_expr = g_string_sized_new (word_len);
+    for (i = 0; i < word_len; i++)
+        g_string_append_c (match_expr, edit_buffer_get_byte (&edit->buffer, word_start + i));
+
+    ptr = g_get_current_dir ();
+    path = g_strconcat (ptr, PATH_SEP_STR, (char *) NULL);
+    g_free (ptr);
+
+    /* Recursive search file 'TAGS' in parent dirs */
+    do
+    {
+        ptr = g_path_get_dirname (path);
+        g_free (path);
+        path = ptr;
+        g_free (tagfile);
+        tagfile = mc_build_filename (path, TAGS_NAME, (char *) NULL);
+        if (tagfile != NULL && exist_file (tagfile))
+            break;
+    }
+    while (strcmp (path, PATH_SEP_STR) != 0);
+
+    if (tagfile != NULL)
+    {
+        def_hash = etags_set_definition_hash (tagfile, path, match_expr->str);
+        g_free (tagfile);
+    }
+    g_free (path);
+
+    if (def_hash != NULL)
+    {
+        editcmd_dialog_select_definition_show (edit, match_expr->str, def_hash);
+
+        g_ptr_array_free (def_hash, TRUE);
+    }
+
+    g_string_free (match_expr, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/etags.h b/src/editor/etags.h
new file mode 100644
index 0000000..23813e9
--- /dev/null
+++ b/src/editor/etags.h
@@ -0,0 +1,26 @@
+#ifndef MC__EDIT_ETAGS_H
+#define MC__EDIT_ETAGS_H 1
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct etags_hash_struct
+{
+    char *filename;
+    char *fullpath;
+    char *short_define;
+    long line;
+} etags_hash_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+void edit_get_match_keyword_cmd (WEdit * edit);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EDIT_ETAGS_H */
diff --git a/src/editor/format.c b/src/editor/format.c
new file mode 100644
index 0000000..3193067
--- /dev/null
+++ b/src/editor/format.c
@@ -0,0 +1,538 @@
+/*
+   Dynamic paragraph formatting.
+
+   Copyright (C) 2011-2023
+   Free Software Foundation, Inc.
+
+   Copyright (C) 1996 Paul Sheer
+
+   Written by:
+   Paul Sheer, 1996
+   Andrew Borodin <aborodin@vmail.ru>, 2013, 2014
+
+   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: Dynamic paragraph formatting
+ *  \author Paul Sheer
+ *  \date 1996
+ *  \author Andrew Borodin
+ *  \date 2013, 2014
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/stat.h>
+
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/util.h"           /* whitespace() */
+
+#include "edit-impl.h"
+#include "editwidget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define FONT_MEAN_WIDTH 1
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+line_start (const edit_buffer_t * buf, long line)
+{
+    off_t p;
+    long l;
+
+    l = buf->curs_line;
+    p = buf->curs1;
+
+    if (line < l)
+        p = edit_buffer_get_backward_offset (buf, p, l - line);
+    else if (line > l)
+        p = edit_buffer_get_forward_offset (buf, p, line - l, 0);
+
+    p = edit_buffer_get_bol (buf, p);
+    while (strchr ("\t ", edit_buffer_get_byte (buf, p)) != NULL)
+        p++;
+    return p;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+bad_line_start (const edit_buffer_t * buf, off_t p)
+{
+    int c;
+
+    c = edit_buffer_get_byte (buf, p);
+    if (c == '.')
+    {
+        /* `...' is acceptable */
+        return !(edit_buffer_get_byte (buf, p + 1) == '.'
+                 && edit_buffer_get_byte (buf, p + 2) == '.');
+    }
+    if (c == '-')
+    {
+        /* `---' is acceptable */
+        return !(edit_buffer_get_byte (buf, p + 1) == '-'
+                 && edit_buffer_get_byte (buf, p + 2) == '-');
+    }
+
+    return (edit_options.stop_format_chars != NULL
+            && strchr (edit_options.stop_format_chars, c) != NULL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Find the start of the current paragraph for the purpose of formatting.
+ * Return position in the file.
+ */
+
+static off_t
+begin_paragraph (WEdit * edit, gboolean force, long *lines)
+{
+    long i;
+
+    for (i = edit->buffer.curs_line - 1; i >= 0; i--)
+        if (edit_line_is_blank (edit, i) ||
+            (force && bad_line_start (&edit->buffer, line_start (&edit->buffer, i))))
+        {
+            i++;
+            break;
+        }
+
+    *lines = edit->buffer.curs_line - i;
+
+    return edit_buffer_get_backward_offset (&edit->buffer,
+                                            edit_buffer_get_current_bol (&edit->buffer), *lines);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Find the end of the current paragraph for the purpose of formatting.
+ * Return position in the file.
+ */
+
+static off_t
+end_paragraph (WEdit * edit, gboolean force)
+{
+    long i;
+
+    for (i = edit->buffer.curs_line + 1; i <= edit->buffer.lines; i++)
+        if (edit_line_is_blank (edit, i) ||
+            (force && bad_line_start (&edit->buffer, line_start (&edit->buffer, i))))
+        {
+            i--;
+            break;
+        }
+
+    return edit_buffer_get_eol (&edit->buffer,
+                                edit_buffer_get_forward_offset (&edit->buffer,
+                                                                edit_buffer_get_current_bol
+                                                                (&edit->buffer),
+                                                                i - edit->buffer.curs_line, 0));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static GString *
+get_paragraph (const edit_buffer_t * buf, off_t p, off_t q, gboolean indent)
+{
+    GString *t;
+
+    t = g_string_sized_new (128);
+
+    for (; p < q; p++)
+    {
+        if (indent && edit_buffer_get_byte (buf, p - 1) == '\n')
+            while (strchr ("\t ", edit_buffer_get_byte (buf, p)) != NULL)
+                p++;
+
+        g_string_append_c (t, edit_buffer_get_byte (buf, p));
+    }
+
+    g_string_append_c (t, '\n');
+
+    return t;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+strip_newlines (unsigned char *t, off_t size)
+{
+    unsigned char *p;
+
+    for (p = t; size-- != 0; p++)
+        if (*p == '\n')
+            *p = ' ';
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   This function calculates the number of chars in a line specified to length l in pixels
+ */
+
+static inline off_t
+next_tab_pos (off_t x)
+{
+    x += TAB_SIZE - x % TAB_SIZE;
+    return x;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline off_t
+line_pixel_length (unsigned char *t, off_t b, off_t l, gboolean utf8)
+{
+    off_t xn, x;                /* position counters */
+    off_t char_length = 0;      /* character length in bytes */
+
+#ifndef HAVE_CHARSET
+    (void) utf8;
+#endif
+
+    for (xn = 0, x = 0; xn <= l; x = xn)
+    {
+        char *tb;
+
+        b += char_length;
+        tb = (char *) t + b;
+        char_length = 1;
+
+        switch (tb[0])
+        {
+        case '\n':
+            return b;
+        case '\t':
+            xn = next_tab_pos (x);
+            break;
+        default:
+#ifdef HAVE_CHARSET
+            if (utf8)
+            {
+                gunichar ch;
+
+                ch = g_utf8_get_char_validated (tb, -1);
+                if (ch != (gunichar) (-2) && ch != (gunichar) (-1))
+                {
+                    char *next_ch;
+
+                    /* Calculate UTF-8 char length */
+                    next_ch = g_utf8_next_char (tb);
+                    char_length = next_ch - tb;
+
+                    if (g_unichar_iswide (ch))
+                        x++;
+                }
+            }
+#endif
+
+            xn = x + 1;
+            break;
+        }
+    }
+
+    return b;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+next_word_start (unsigned char *t, off_t q, off_t size)
+{
+    off_t i;
+    gboolean saw_ws = FALSE;
+
+    for (i = q; i < size; i++)
+    {
+        switch (t[i])
+        {
+        case '\n':
+            return -1;
+        case '\t':
+        case ' ':
+            saw_ws = TRUE;
+            break;
+        default:
+            if (saw_ws)
+                return i;
+            break;
+        }
+    }
+    return (-1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** find the start of a word */
+
+static inline int
+word_start (unsigned char *t, off_t q, off_t size)
+{
+    off_t i;
+
+    if (whitespace (t[q]))
+        return next_word_start (t, q, size);
+
+    for (i = q;; i--)
+    {
+        unsigned char c;
+
+        if (i == 0)
+            return (-1);
+        c = t[i - 1];
+        if (c == '\n')
+            return (-1);
+        if (whitespace (c))
+            return i;
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** replaces ' ' with '\n' to properly format a paragraph */
+
+static inline void
+format_this (unsigned char *t, off_t size, long indent, gboolean utf8)
+{
+    off_t q = 0, ww;
+
+    strip_newlines (t, size);
+    ww = edit_options.word_wrap_line_length * FONT_MEAN_WIDTH - indent;
+    if (ww < FONT_MEAN_WIDTH * 2)
+        ww = FONT_MEAN_WIDTH * 2;
+
+    while (TRUE)
+    {
+        off_t p;
+
+        q = line_pixel_length (t, q, ww, utf8);
+        if (q > size)
+            break;
+        if (t[q] == '\n')
+            break;
+        p = word_start (t, q, size);
+        if (p == -1)
+            q = next_word_start (t, q, size);   /* Return the end of the word if the beginning
+                                                   of the word is at the beginning of a line
+                                                   (i.e. a very long word) */
+        else
+            q = p;
+        if (q == -1)            /* end of paragraph */
+            break;
+        if (q != 0)
+            t[q - 1] = '\n';
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline void
+replace_at (WEdit * edit, off_t q, int c)
+{
+    edit_cursor_move (edit, q - edit->buffer.curs1);
+    edit_delete (edit, TRUE);
+    edit_insert_ahead (edit, c);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static long
+edit_indent_width (const WEdit * edit, off_t p)
+{
+    off_t q = p;
+
+    /* move to the end of the leading whitespace of the line */
+    while (strchr ("\t ", edit_buffer_get_byte (&edit->buffer, q)) != NULL
+           && q < edit->buffer.size - 1)
+        q++;
+    /* count the number of columns of indentation */
+    return (long) edit_move_forward3 (edit, p, 0, q);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_insert_indent (WEdit * edit, long indent)
+{
+    if (!edit_options.fill_tabs_with_spaces)
+        while (indent >= TAB_SIZE)
+        {
+            edit_insert (edit, '\t');
+            indent -= TAB_SIZE;
+        }
+
+    while (indent-- > 0)
+        edit_insert (edit, ' ');
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** replaces a block of text */
+
+static inline void
+put_paragraph (WEdit * edit, unsigned char *t, off_t p, long indent, off_t size)
+{
+    off_t cursor;
+    off_t i;
+    int c = '\0';
+
+    cursor = edit->buffer.curs1;
+    if (indent != 0)
+        while (strchr ("\t ", edit_buffer_get_byte (&edit->buffer, p)) != NULL)
+            p++;
+    for (i = 0; i < size; i++, p++)
+    {
+        if (i != 0 && indent != 0)
+        {
+            if (t[i - 1] == '\n' && c == '\n')
+            {
+                while (strchr ("\t ", edit_buffer_get_byte (&edit->buffer, p)) != NULL)
+                    p++;
+            }
+            else if (t[i - 1] == '\n')
+            {
+                off_t curs;
+
+                edit_cursor_move (edit, p - edit->buffer.curs1);
+                curs = edit->buffer.curs1;
+                edit_insert_indent (edit, indent);
+                if (cursor >= curs)
+                    cursor += edit->buffer.curs1 - p;
+                p = edit->buffer.curs1;
+            }
+            else if (c == '\n')
+            {
+                edit_cursor_move (edit, p - edit->buffer.curs1);
+                while (strchr ("\t ", edit_buffer_get_byte (&edit->buffer, p)) != NULL)
+                {
+                    edit_delete (edit, TRUE);
+                    if (cursor > edit->buffer.curs1)
+                        cursor--;
+                }
+                p = edit->buffer.curs1;
+            }
+        }
+
+        c = edit_buffer_get_byte (&edit->buffer, p);
+        if (c != t[i])
+            replace_at (edit, p, t[i]);
+    }
+    edit_cursor_move (edit, cursor - edit->buffer.curs1);       /* restore cursor position */
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static inline long
+test_indent (const WEdit * edit, off_t p, off_t q)
+{
+    long indent;
+
+    indent = edit_indent_width (edit, p++);
+    if (indent == 0)
+        return 0;
+
+    for (; p < q; p++)
+        if (edit_buffer_get_byte (&edit->buffer, p - 1) == '\n'
+            && indent != edit_indent_width (edit, p))
+            return 0;
+    return indent;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+format_paragraph (WEdit * edit, gboolean force)
+{
+    off_t p, q;
+    long lines;
+    off_t size;
+    GString *t;
+    long indent;
+    unsigned char *t2;
+    gboolean utf8 = FALSE;
+
+    if (edit_options.word_wrap_line_length < 2)
+        return;
+    if (edit_line_is_blank (edit, edit->buffer.curs_line))
+        return;
+
+    p = begin_paragraph (edit, force, &lines);
+    q = end_paragraph (edit, force);
+    indent = test_indent (edit, p, q);
+
+    t = get_paragraph (&edit->buffer, p, q, indent != 0);
+    size = t->len - 1;
+
+    if (!force)
+    {
+        off_t i;
+        char *stop_format_chars;
+
+        if (edit_options.stop_format_chars != NULL
+            && strchr (edit_options.stop_format_chars, t->str[0]) != NULL)
+        {
+            g_string_free (t, TRUE);
+            return;
+        }
+
+        if (edit_options.stop_format_chars == NULL || *edit_options.stop_format_chars == '\0')
+            stop_format_chars = g_strdup ("\t");
+        else
+            stop_format_chars = g_strconcat (edit_options.stop_format_chars, "\t", (char *) NULL);
+
+        for (i = 0; i < size - 1; i++)
+            if (t->str[i] == '\n' && strchr (stop_format_chars, t->str[i + 1]) != NULL)
+            {
+                g_free (stop_format_chars);
+                g_string_free (t, TRUE);
+                return;
+            }
+
+        g_free (stop_format_chars);
+    }
+
+    t2 = (unsigned char *) g_string_free (t, FALSE);
+#ifdef HAVE_CHARSET
+    utf8 = edit->utf8;
+#endif
+    format_this (t2, q - p, indent, utf8);
+    put_paragraph (edit, t2, p, indent, size);
+    g_free ((char *) t2);
+
+    /* Scroll left as much as possible to show the formatted paragraph */
+    edit_scroll_left (edit, -edit->start_col);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/spell.c b/src/editor/spell.c
new file mode 100644
index 0000000..aeb0884
--- /dev/null
+++ b/src/editor/spell.c
@@ -0,0 +1,834 @@
+/*
+   Editor spell checker
+
+   Copyright (C) 2012-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Ilia Maslakov <il.smind@gmail.com>, 2012
+   Andrew Borodin <aborodin@vmail.ru>, 2013, 2021
+
+
+   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>
+#include <gmodule.h>
+#include <aspell.h>
+
+#ifdef HAVE_CHARSET
+#include "lib/charsets.h"
+#endif
+#include "lib/strutil.h"
+#include "lib/util.h"           /* MC_PTR_FREE() */
+#include "lib/tty/tty.h"        /* COLS, LINES */
+
+#include "src/setup.h"
+
+#include "editwidget.h"
+
+#include "spell.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define B_SKIP_WORD (B_USER+3)
+#define B_ADD_WORD (B_USER+4)
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct aspell_struct
+{
+    AspellConfig *config;
+    AspellSpeller *speller;
+} spell_t;
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static GModule *spell_module = NULL;
+static spell_t *global_speller = NULL;
+
+static AspellConfig *(*mc_new_aspell_config) (void);
+static int (*mc_aspell_config_replace) (AspellConfig * ths, const char *key, const char *value);
+static AspellCanHaveError *(*mc_new_aspell_speller) (AspellConfig * config);
+static unsigned int (*mc_aspell_error_number) (const AspellCanHaveError * ths);
+static const char *(*mc_aspell_speller_error_message) (const AspellSpeller * ths);
+static const AspellError *(*mc_aspell_speller_error) (const AspellSpeller * ths);
+
+static AspellSpeller *(*mc_to_aspell_speller) (AspellCanHaveError * obj);
+static int (*mc_aspell_speller_check) (AspellSpeller * ths, const char *word, int word_size);
+static const AspellWordList *(*mc_aspell_speller_suggest) (AspellSpeller * ths,
+                                                           const char *word, int word_size);
+static AspellStringEnumeration *(*mc_aspell_word_list_elements) (const struct AspellWordList * ths);
+static const char *(*mc_aspell_config_retrieve) (AspellConfig * ths, const char *key);
+static void (*mc_delete_aspell_speller) (AspellSpeller * ths);
+static void (*mc_delete_aspell_config) (AspellConfig * ths);
+static void (*mc_delete_aspell_can_have_error) (AspellCanHaveError * ths);
+static const char *(*mc_aspell_error_message) (const AspellCanHaveError * ths);
+static void (*mc_delete_aspell_string_enumeration) (AspellStringEnumeration * ths);
+static AspellDictInfoEnumeration *(*mc_aspell_dict_info_list_elements)
+    (const AspellDictInfoList * ths);
+static AspellDictInfoList *(*mc_get_aspell_dict_info_list) (AspellConfig * config);
+static const AspellDictInfo *(*mc_aspell_dict_info_enumeration_next)
+    (AspellDictInfoEnumeration * ths);
+static const char *(*mc_aspell_string_enumeration_next) (AspellStringEnumeration * ths);
+static void (*mc_delete_aspell_dict_info_enumeration) (AspellDictInfoEnumeration * ths);
+static unsigned int (*mc_aspell_word_list_size) (const AspellWordList * ths);
+static const AspellError *(*mc_aspell_error) (const AspellCanHaveError * ths);
+static int (*mc_aspell_speller_add_to_personal) (AspellSpeller * ths, const char *word,
+                                                 int word_size);
+static int (*mc_aspell_speller_save_all_word_lists) (AspellSpeller * ths);
+
+static struct
+{
+    const char *code;
+    const char *name;
+} spell_codes_map[] =
+{
+    /* *INDENT-OFF* */
+    {"br", N_("Breton")},
+    {"cs", N_("Czech")},
+    {"cy", N_("Welsh")},
+    {"da", N_("Danish")},
+    {"de", N_("German")},
+    {"el", N_("Greek")},
+    {"en", N_("English")},
+    {"en_GB", N_("British English")},
+    {"en_CA", N_("Canadian English")},
+    {"en_US", N_("American English")},
+    {"eo", N_("Esperanto")},
+    {"es", N_("Spanish")},
+    {"fo", N_("Faroese")},
+    {"fr", N_("French")},
+    {"it", N_("Italian")},
+    {"nl", N_("Dutch")},
+    {"no", N_("Norwegian")},
+    {"pl", N_("Polish")},
+    {"pt", N_("Portuguese")},
+    {"ro", N_("Romanian")},
+    {"ru", N_("Russian")},
+    {"sk", N_("Slovak")},
+    {"sv", N_("Swedish")},
+    {"uk", N_("Ukrainian")},
+    {NULL, NULL}
+    /* *INDENT-ON* */
+};
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Found the language name by language code. For example: en_US -> American English.
+ *
+ * @param code Short name of the language (ru, en, pl, uk, etc...)
+ * @return language name
+ */
+
+static const char *
+spell_decode_lang (const char *code)
+{
+    size_t i;
+
+    for (i = 0; spell_codes_map[i].code != NULL; i++)
+    {
+        if (strcmp (spell_codes_map[i].code, code) == 0)
+            return _(spell_codes_map[i].name);
+    }
+
+    return code;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Checks if aspell library and symbols are available.
+ *
+ * @return FALSE or error
+ */
+
+static gboolean
+spell_available (void)
+{
+    gchar *spell_module_fname;
+    gboolean ret = FALSE;
+
+    if (spell_module != NULL)
+        return TRUE;
+
+    spell_module_fname = g_module_build_path (NULL, "libaspell");
+    spell_module = g_module_open (spell_module_fname, G_MODULE_BIND_LAZY);
+
+    g_free (spell_module_fname);
+
+    if (spell_module == NULL)
+        return FALSE;
+
+    if (!g_module_symbol (spell_module, "new_aspell_config", (void *) &mc_new_aspell_config))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_dict_info_list_elements",
+                          (void *) &mc_aspell_dict_info_list_elements))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_dict_info_enumeration_next",
+                          (void *) &mc_aspell_dict_info_enumeration_next))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "new_aspell_speller", (void *) &mc_new_aspell_speller))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_error_number", (void *) &mc_aspell_error_number))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_speller_error_message",
+                          (void *) &mc_aspell_speller_error_message))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_speller_error", (void *) &mc_aspell_speller_error))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_error", (void *) &mc_aspell_error))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "to_aspell_speller", (void *) &mc_to_aspell_speller))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_speller_check", (void *) &mc_aspell_speller_check))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "aspell_speller_suggest", (void *) &mc_aspell_speller_suggest))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "aspell_word_list_elements", (void *) &mc_aspell_word_list_elements))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_string_enumeration_next",
+                          (void *) &mc_aspell_string_enumeration_next))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "aspell_config_replace", (void *) &mc_aspell_config_replace))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_error_message", (void *) &mc_aspell_error_message))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "delete_aspell_speller", (void *) &mc_delete_aspell_speller))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "delete_aspell_config", (void *) &mc_delete_aspell_config))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "delete_aspell_string_enumeration",
+                          (void *) &mc_delete_aspell_string_enumeration))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "get_aspell_dict_info_list",
+                          (void *) &mc_get_aspell_dict_info_list))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "delete_aspell_can_have_error",
+                          (void *) &mc_delete_aspell_can_have_error))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "delete_aspell_dict_info_enumeration",
+                          (void *) &mc_delete_aspell_dict_info_enumeration))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "aspell_config_retrieve", (void *) &mc_aspell_config_retrieve))
+        goto error_ret;
+
+    if (!g_module_symbol
+        (spell_module, "aspell_word_list_size", (void *) &mc_aspell_word_list_size))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_speller_add_to_personal",
+                          (void *) &mc_aspell_speller_add_to_personal))
+        goto error_ret;
+
+    if (!g_module_symbol (spell_module, "aspell_speller_save_all_word_lists",
+                          (void *) &mc_aspell_speller_save_all_word_lists))
+        goto error_ret;
+
+    ret = TRUE;
+
+  error_ret:
+    if (!ret)
+    {
+        g_module_close (spell_module);
+        spell_module = NULL;
+    }
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Initialization of Aspell support.
+ */
+
+void
+aspell_init (void)
+{
+    AspellCanHaveError *error = NULL;
+
+    if (strcmp (spell_language, "NONE") == 0)
+        return;
+
+    if (global_speller != NULL)
+        return;
+
+    global_speller = g_try_malloc (sizeof (spell_t));
+    if (global_speller == NULL)
+        return;
+
+    if (!spell_available ())
+    {
+        MC_PTR_FREE (global_speller);
+        return;
+    }
+
+    global_speller->config = mc_new_aspell_config ();
+    global_speller->speller = NULL;
+
+    if (spell_language != NULL)
+        mc_aspell_config_replace (global_speller->config, "lang", spell_language);
+
+    error = mc_new_aspell_speller (global_speller->config);
+
+    if (mc_aspell_error_number (error) == 0)
+        global_speller->speller = mc_to_aspell_speller (error);
+    else
+    {
+        edit_error_dialog (_("Error"), mc_aspell_error_message (error));
+        mc_delete_aspell_can_have_error (error);
+        aspell_clean ();
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Deinitialization of Aspell support.
+ */
+
+void
+aspell_clean (void)
+{
+    if (global_speller == NULL)
+        return;
+
+    if (global_speller->speller != NULL)
+        mc_delete_aspell_speller (global_speller->speller);
+
+    if (global_speller->config != NULL)
+        mc_delete_aspell_config (global_speller->config);
+
+    MC_PTR_FREE (global_speller);
+
+    g_module_close (spell_module);
+    spell_module = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get array of available languages.
+ *
+ * @param lang_list Array of languages. Must be cleared before use
+ * @return language list length
+ */
+
+unsigned int
+aspell_get_lang_list (GPtrArray * lang_list)
+{
+    AspellDictInfoList *dlist;
+    AspellDictInfoEnumeration *elem;
+    const AspellDictInfo *entry;
+    unsigned int i = 0;
+
+    if (spell_module == NULL)
+        return 0;
+
+    /* the returned pointer should _not_ need to be deleted */
+    dlist = mc_get_aspell_dict_info_list (global_speller->config);
+    elem = mc_aspell_dict_info_list_elements (dlist);
+
+    while ((entry = mc_aspell_dict_info_enumeration_next (elem)) != NULL)
+        if (entry->name != NULL)
+        {
+            g_ptr_array_add (lang_list, g_strdup (entry->name));
+            i++;
+        }
+
+    mc_delete_aspell_dict_info_enumeration (elem);
+
+    return i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Clear the array of languages.
+ *
+ * @param array Array of languages
+ */
+
+void
+aspell_array_clean (GPtrArray * array)
+{
+    if (array != NULL)
+        g_ptr_array_free (array, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Get the current language name.
+ *
+ * @return language name
+ */
+
+const char *
+aspell_get_lang (void)
+{
+    const char *code;
+
+    code = mc_aspell_config_retrieve (global_speller->config, "lang");
+    return spell_decode_lang (code);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Set the language.
+ *
+ * @param lang Language name
+ * @return FALSE or error
+ */
+
+gboolean
+aspell_set_lang (const char *lang)
+{
+    if (lang != NULL)
+    {
+        AspellCanHaveError *error;
+        const char *spell_codeset;
+
+        g_free (spell_language);
+        spell_language = g_strdup (lang);
+
+#ifdef HAVE_CHARSET
+        if (mc_global.source_codepage > 0)
+            spell_codeset = get_codepage_id (mc_global.source_codepage);
+        else
+#endif
+            spell_codeset = str_detect_termencoding ();
+
+        mc_aspell_config_replace (global_speller->config, "lang", lang);
+        mc_aspell_config_replace (global_speller->config, "encoding", spell_codeset);
+
+        /* the returned pointer should _not_ need to be deleted */
+        if (global_speller->speller != NULL)
+            mc_delete_aspell_speller (global_speller->speller);
+
+        global_speller->speller = NULL;
+
+        error = mc_new_aspell_speller (global_speller->config);
+        if (mc_aspell_error (error) != 0)
+        {
+            mc_delete_aspell_can_have_error (error);
+            return FALSE;
+        }
+
+        global_speller->speller = mc_to_aspell_speller (error);
+    }
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Check word.
+ *
+ * @param word Word for spell check
+ * @param word_size Word size (in bytes)
+ * @return FALSE if word is not in the dictionary
+ */
+
+gboolean
+aspell_check (const char *word, const int word_size)
+{
+    int res = 0;
+
+    if (word != NULL && global_speller != NULL && global_speller->speller != NULL)
+        res = mc_aspell_speller_check (global_speller->speller, word, word_size);
+
+    return (res == 1);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Examine dictionaries and suggest possible words that may repalce the incorrect word.
+ *
+ * @param suggest array of words to iterate through
+ * @param word Word for spell check
+ * @param word_size Word size (in bytes)
+ * @return count of suggests for the word
+ */
+
+unsigned int
+aspell_suggest (GPtrArray * suggest, const char *word, const int word_size)
+{
+    unsigned int size = 0;
+
+    if (word != NULL && global_speller != NULL && global_speller->speller != NULL)
+    {
+        const AspellWordList *wordlist;
+
+        wordlist = mc_aspell_speller_suggest (global_speller->speller, word, word_size);
+        if (wordlist != NULL)
+        {
+            AspellStringEnumeration *elements = NULL;
+            unsigned int i;
+
+            elements = mc_aspell_word_list_elements (wordlist);
+            size = mc_aspell_word_list_size (wordlist);
+
+            for (i = 0; i < size; i++)
+            {
+                const char *cur_sugg_word;
+
+                cur_sugg_word = mc_aspell_string_enumeration_next (elements);
+                if (cur_sugg_word != NULL)
+                    g_ptr_array_add (suggest, g_strdup (cur_sugg_word));
+            }
+
+            mc_delete_aspell_string_enumeration (elements);
+        }
+    }
+
+    return size;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*
+ * Add word to personal dictionary.
+ *
+ * @param word Word for spell check
+ * @param word_size  Word size (in bytes)
+ * @return FALSE or error
+ */
+gboolean
+aspell_add_to_dict (const char *word, int word_size)
+{
+    mc_aspell_speller_add_to_personal (global_speller->speller, word, word_size);
+
+    if (mc_aspell_speller_error (global_speller->speller) != 0)
+    {
+        edit_error_dialog (_("Error"), mc_aspell_speller_error_message (global_speller->speller));
+        return FALSE;
+    }
+
+    mc_aspell_speller_save_all_word_lists (global_speller->speller);
+
+    if (mc_aspell_speller_error (global_speller->speller) != 0)
+    {
+        edit_error_dialog (_("Error"), mc_aspell_speller_error_message (global_speller->speller));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+edit_suggest_current_word (WEdit * edit)
+{
+    gsize cut_len = 0;
+    gsize word_len = 0;
+    off_t word_start = 0;
+    int retval = B_SKIP_WORD;
+    GString *match_word;
+
+    /* search start of word to spell check */
+    match_word = edit_buffer_get_word_from_pos (&edit->buffer, edit->buffer.curs1, &word_start,
+                                                &cut_len);
+    word_len = match_word->len;
+
+#ifdef HAVE_CHARSET
+    if (mc_global.source_codepage >= 0 && mc_global.source_codepage != mc_global.display_codepage)
+    {
+        GString *tmp_word;
+
+        tmp_word = str_convert_to_display (match_word->str);
+        g_string_free (match_word, TRUE);
+        match_word = tmp_word;
+    }
+#endif
+    if (match_word != NULL)
+    {
+        if (!aspell_check (match_word->str, (int) word_len))
+        {
+            GPtrArray *suggest;
+            unsigned int res;
+            guint i;
+
+            suggest = g_ptr_array_new_with_free_func (g_free);
+
+            res = aspell_suggest (suggest, match_word->str, (int) word_len);
+            if (res != 0)
+            {
+                char *new_word = NULL;
+
+                edit->found_start = word_start;
+                edit->found_len = word_len;
+                edit->force |= REDRAW_PAGE;
+                edit_scroll_screen_over_cursor (edit);
+                edit_render_keypress (edit);
+
+                retval =
+                    spell_dialog_spell_suggest_show (edit, match_word->str, &new_word, suggest);
+                edit_cursor_move (edit, word_len - cut_len);
+
+                if (retval == B_ENTER && new_word != NULL)
+                {
+#ifdef HAVE_CHARSET
+                    if (mc_global.source_codepage >= 0 &&
+                        (mc_global.source_codepage != mc_global.display_codepage))
+                    {
+                        GString *tmp_word;
+
+                        tmp_word = str_convert_to_input (new_word);
+                        MC_PTR_FREE (new_word);
+                        if (tmp_word != NULL)
+                            new_word = g_string_free (tmp_word, FALSE);
+                    }
+#endif
+                    for (i = 0; i < word_len; i++)
+                        edit_backspace (edit, TRUE);
+                    if (new_word != NULL)
+                    {
+                        for (i = 0; new_word[i] != '\0'; i++)
+                            edit_insert (edit, new_word[i]);
+                        g_free (new_word);
+                    }
+                }
+                else if (retval == B_ADD_WORD)
+                    aspell_add_to_dict (match_word->str, (int) word_len);
+            }
+
+            g_ptr_array_free (suggest, TRUE);
+            edit->found_start = 0;
+            edit->found_len = 0;
+        }
+
+        g_string_free (match_word, TRUE);
+    }
+
+    return retval;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_spellcheck_file (WEdit * edit)
+{
+    if (edit->buffer.curs_line > 0)
+    {
+        edit_cursor_move (edit, -edit->buffer.curs1);
+        edit_move_to_prev_col (edit, 0);
+        edit_update_curs_row (edit);
+    }
+
+    do
+    {
+        int c1, c2;
+
+        c2 = edit_buffer_get_current_byte (&edit->buffer);
+
+        do
+        {
+            if (edit->buffer.curs1 >= edit->buffer.size)
+                return;
+
+            c1 = c2;
+            edit_cursor_move (edit, 1);
+            c2 = edit_buffer_get_current_byte (&edit->buffer);
+        }
+        while (is_break_char (c1) || is_break_char (c2));
+    }
+    while (edit_suggest_current_word (edit) != B_CANCEL);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_set_spell_lang (void)
+{
+    GPtrArray *lang_list;
+
+    lang_list = g_ptr_array_new_with_free_func (g_free);
+    if (aspell_get_lang_list (lang_list) != 0)
+    {
+        const char *lang;
+
+        lang = spell_dialog_lang_list_show (lang_list);
+        if (lang != NULL)
+            (void) aspell_set_lang (lang);
+    }
+    aspell_array_clean (lang_list);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show suggests for the current word.
+ *
+ * @param edit Editor object
+ * @param word Word for spell check
+ * @param new_word Word to replace the incorrect word
+ * @param suggest Array of suggests for current word
+ * @return code of pressed button
+ */
+
+int
+spell_dialog_spell_suggest_show (WEdit * edit, const char *word, char **new_word,
+                                 const GPtrArray * suggest)
+{
+
+    int sug_dlg_h = 14;         /* dialog height */
+    int sug_dlg_w = 29;         /* dialog width */
+    int xpos, ypos;
+    char *lang_label;
+    char *word_label;
+    unsigned int i;
+    int res;
+    char *curr = NULL;
+    WDialog *sug_dlg;
+    WGroup *g;
+    WListbox *sug_list;
+    int max_btn_len = 0;
+    int replace_len;
+    int skip_len;
+    int cancel_len;
+    WButton *add_btn;
+    WButton *replace_btn;
+    WButton *skip_btn;
+    WButton *cancel_button;
+    int word_label_len;
+
+    /* calculate the dialog metrics */
+    xpos = (COLS - sug_dlg_w) / 2;
+    ypos = (LINES - sug_dlg_h) * 2 / 3;
+
+    /* Sometimes menu can hide replaced text. I don't like it */
+    if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + sug_dlg_h - 1))
+        ypos -= sug_dlg_h;
+
+    add_btn = button_new (5, 28, B_ADD_WORD, NORMAL_BUTTON, _("&Add word"), 0);
+    replace_btn = button_new (7, 28, B_ENTER, NORMAL_BUTTON, _("&Replace"), 0);
+    replace_len = button_get_len (replace_btn);
+    skip_btn = button_new (9, 28, B_SKIP_WORD, NORMAL_BUTTON, _("&Skip"), 0);
+    skip_len = button_get_len (skip_btn);
+    cancel_button = button_new (11, 28, B_CANCEL, NORMAL_BUTTON, _("&Cancel"), 0);
+    cancel_len = button_get_len (cancel_button);
+
+    max_btn_len = MAX (replace_len, skip_len);
+    max_btn_len = MAX (max_btn_len, cancel_len);
+
+    lang_label = g_strdup_printf ("%s: %s", _("Language"), aspell_get_lang ());
+    word_label = g_strdup_printf ("%s: %s", _("Misspelled"), word);
+    word_label_len = str_term_width1 (word_label) + 5;
+
+    sug_dlg_w += max_btn_len;
+    sug_dlg_w = MAX (sug_dlg_w, word_label_len) + 1;
+
+    sug_dlg = dlg_create (TRUE, ypos, xpos, sug_dlg_h, sug_dlg_w, WPOS_KEEP_DEFAULT, TRUE,
+                          dialog_colors, NULL, NULL, "[ASpell]", _("Check word"));
+    g = GROUP (sug_dlg);
+
+    group_add_widget (g, label_new (1, 2, lang_label));
+    group_add_widget (g, label_new (3, 2, word_label));
+
+    group_add_widget (g, groupbox_new (4, 2, sug_dlg_h - 5, 25, _("Suggest")));
+
+    sug_list = listbox_new (5, 2, sug_dlg_h - 7, 24, FALSE, NULL);
+    for (i = 0; i < suggest->len; i++)
+        listbox_add_item (sug_list, LISTBOX_APPEND_AT_END, 0, g_ptr_array_index (suggest, i), NULL,
+                          FALSE);
+    group_add_widget (g, sug_list);
+
+    group_add_widget (g, add_btn);
+    group_add_widget (g, replace_btn);
+    group_add_widget (g, skip_btn);
+    group_add_widget (g, cancel_button);
+
+    res = dlg_run (sug_dlg);
+    if (res == B_ENTER)
+    {
+        char *tmp = NULL;
+        listbox_get_current (sug_list, &curr, NULL);
+
+        if (curr != NULL)
+            tmp = g_strdup (curr);
+        *new_word = tmp;
+    }
+
+    widget_destroy (WIDGET (sug_dlg));
+    g_free (lang_label);
+    g_free (word_label);
+
+    return res;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Show dialog to select language for spell check.
+ *
+ * @param languages Array of available languages
+ * @return name of chosen language
+ */
+
+const char *
+spell_dialog_lang_list_show (const GPtrArray * languages)
+{
+
+    int lang_dlg_h = 12;        /* dialog height */
+    int lang_dlg_w = 30;        /* dialog width */
+    const char *selected_lang = NULL;
+    unsigned int i;
+    int res;
+    Listbox *lang_list;
+
+    /* Create listbox */
+    lang_list = listbox_window_centered_new (-1, -1, lang_dlg_h, lang_dlg_w,
+                                             _("Select language"), "[ASpell]");
+
+    for (i = 0; i < languages->len; i++)
+        LISTBOX_APPEND_TEXT (lang_list, 0, g_ptr_array_index (languages, i), NULL, FALSE);
+
+    res = listbox_run (lang_list);
+    if (res >= 0)
+        selected_lang = g_ptr_array_index (languages, (unsigned int) res);
+
+    return selected_lang;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/src/editor/spell.h b/src/editor/spell.h
new file mode 100644
index 0000000..005a2f5
--- /dev/null
+++ b/src/editor/spell.h
@@ -0,0 +1,36 @@
+#ifndef MC__EDIT_ASPELL_H
+#define MC__EDIT_ASPELL_H
+
+#include "lib/global.h"         /* include <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 aspell_init (void);
+void aspell_clean (void);
+gboolean aspell_check (const char *word, const int word_size);
+unsigned int aspell_suggest (GPtrArray * suggest, const char *word, const int word_size);
+void aspell_array_clean (GPtrArray * array);
+unsigned int aspell_get_lang_list (GPtrArray * lang_list);
+const char *aspell_get_lang (void);
+gboolean aspell_set_lang (const char *lang);
+gboolean aspell_add_to_dict (const char *word, const int word_size);
+
+int edit_suggest_current_word (WEdit * edit);
+void edit_spellcheck_file (WEdit * edit);
+void edit_set_spell_lang (void);
+
+int spell_dialog_spell_suggest_show (WEdit * edit, const char *word, char **new_word,
+                                     const GPtrArray * suggest);
+const char *spell_dialog_lang_list_show (const GPtrArray * languages);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__EDIT_ASPELL_H */
diff --git a/src/editor/syntax.c b/src/editor/syntax.c
new file mode 100644
index 0000000..f95ad2b
--- /dev/null
+++ b/src/editor/syntax.c
@@ -0,0 +1,1606 @@
+/*
+   Editor syntax highlighting.
+
+   Copyright (C) 1996-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Paul Sheer, 1998
+   Leonard den Ottolander <leonard den ottolander nl>, 2005, 2006
+   Egmont Koblinger <egmont@gmail.com>, 2010
+   Slava Zanko <slavazanko@gmail.com>, 2013
+   Andrew Borodin <aborodin@vmail.ru>, 2013, 2014, 2021
+
+   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: editor syntax highlighting
+ *  \author Paul Sheer
+ *  \date 1996, 1997
+ *  \author Mikhail Pobolovets
+ *  \date 2010
+ *
+ *  Misspelled words are flushed from the syntax highlighting rules
+ *  when they have been around longer than
+ *  TRANSIENT_WORD_TIME_OUT seconds. At a cursor rate of 30
+ *  chars per second and say 3 chars + a space per word, we can
+ *  accumulate 450 words absolute max with a value of 60. This is
+ *  below this limit of 1024 words in a context.
+ */
+
+#include <config.h>
+
+#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 <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/search.h"         /* search engine */
+#include "lib/skin.h"
+#include "lib/fileloc.h"        /* EDIT_SYNTAX_DIR, EDIT_SYNTAX_FILE */
+#include "lib/strutil.h"        /* utf string functions */
+#include "lib/util.h"
+#include "lib/widget.h"         /* Listbox, message() */
+
+#include "edit-impl.h"
+#include "editwidget.h"
+
+/*** global variables ****************************************************************************/
+
+gboolean auto_syntax = TRUE;
+
+/*** file scope macro definitions ****************************************************************/
+
+/* bytes */
+#define SYNTAX_MARKER_DENSITY 512
+
+#define RULE_ON_LEFT_BORDER 1
+#define RULE_ON_RIGHT_BORDER 2
+
+#define SYNTAX_TOKEN_STAR       '\001'
+#define SYNTAX_TOKEN_PLUS       '\002'
+#define SYNTAX_TOKEN_BRACKET    '\003'
+#define SYNTAX_TOKEN_BRACE      '\004'
+
+#define break_a { result = line; break; }
+#define check_a { if (*a == NULL) { result = line; break; } }
+#define check_not_a { if (*a != NULL) { result = line ;break; } }
+
+#define SYNTAX_KEYWORD(x) ((syntax_keyword_t *) (x))
+#define CONTEXT_RULE(x) ((context_rule_t *) (x))
+
+#define ARGS_LEN 1024
+
+#define MAX_ENTRY_LEN 40
+#define LIST_LINES 14
+#define N_DFLT_ENTRIES 2
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    GString *keyword;
+    char *whole_word_chars_left;
+    char *whole_word_chars_right;
+    gboolean line_start;
+    int color;
+} syntax_keyword_t;
+
+typedef struct
+{
+    GString *left;
+    unsigned char first_left;
+    GString *right;
+    unsigned char first_right;
+    gboolean line_start_left;
+    gboolean line_start_right;
+    gboolean between_delimiters;
+    char *whole_word_chars_left;
+    char *whole_word_chars_right;
+    char *keyword_first_chars;
+    gboolean spelling;
+    /* first word is word[1] */
+    GPtrArray *keyword;
+} context_rule_t;
+
+typedef struct
+{
+    off_t offset;
+    edit_syntax_rule_t rule;
+} syntax_marker_t;
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static char *error_file_name = NULL;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+syntax_keyword_free (gpointer keyword)
+{
+    syntax_keyword_t *k = SYNTAX_KEYWORD (keyword);
+
+    g_string_free (k->keyword, TRUE);
+    g_free (k->whole_word_chars_left);
+    g_free (k->whole_word_chars_right);
+    g_free (k);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+context_rule_free (gpointer rule)
+{
+    context_rule_t *r = CONTEXT_RULE (rule);
+
+    g_string_free (r->left, TRUE);
+    g_string_free (r->right, TRUE);
+    g_free (r->whole_word_chars_left);
+    g_free (r->whole_word_chars_right);
+    g_free (r->keyword_first_chars);
+
+    if (r->keyword != NULL)
+        g_ptr_array_free (r->keyword, TRUE);
+
+    g_free (r);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gint
+mc_defines_destroy (gpointer key, gpointer value, gpointer data)
+{
+    (void) data;
+
+    g_free (key);
+    g_strfreev ((char **) value);
+
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** Completely destroys the defines tree */
+
+static void
+destroy_defines (GTree ** defines)
+{
+    g_tree_foreach (*defines, mc_defines_destroy, NULL);
+    g_tree_destroy (*defines);
+    *defines = NULL;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/** Wrapper for case insensitive mode */
+inline static int
+xx_tolower (const WEdit * edit, int c)
+{
+    return edit->is_case_insensitive ? tolower (c) : c;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+subst_defines (GTree * defines, char **argv, char **argv_end)
+{
+    for (; *argv != NULL && argv < argv_end; argv++)
+    {
+        char **t;
+
+        t = g_tree_lookup (defines, *argv);
+        if (t != NULL)
+        {
+            int argc, count;
+            char **p;
+
+            /* Count argv array members */
+            argc = g_strv_length (argv + 1);
+
+            /* Count members of definition array */
+            count = g_strv_length (t);
+
+            p = argv + count + argc;
+            /* Buffer overflow or infinitive loop in define */
+            if (p >= argv_end)
+                break;
+
+            /* Move rest of argv after definition members */
+            while (argc >= 0)
+                *p-- = argv[argc-- + 1];
+
+            /* Copy definition members to argv */
+            for (p = argv; *t != NULL; *p++ = *t++)
+                ;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static off_t
+compare_word_to_right (const WEdit * edit, off_t i, const GString * text,
+                       const char *whole_left, const char *whole_right, gboolean line_start)
+{
+    const unsigned char *p, *q;
+    int c, d, j;
+
+    c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i - 1));
+    if ((line_start && c != '\n') || (whole_left != NULL && strchr (whole_left, c) != NULL))
+        return -1;
+
+    for (p = (const unsigned char *) text->str, q = p + text->len; p < q; p++, i++)
+    {
+        switch (*p)
+        {
+        case SYNTAX_TOKEN_STAR:
+            if (++p > q)
+                return -1;
+            while (TRUE)
+            {
+                c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i));
+                if (*p == '\0' && whole_right != NULL && strchr (whole_right, c) == NULL)
+                    break;
+                if (c == *p)
+                    break;
+                if (c == '\n')
+                    return -1;
+                i++;
+            }
+            break;
+        case SYNTAX_TOKEN_PLUS:
+            if (++p > q)
+                return -1;
+            j = 0;
+            while (TRUE)
+            {
+                c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i));
+                if (c == *p)
+                {
+                    j = i;
+                    if (p[0] == text->str[0] && p[1] == '\0')   /* handle eg '+' and @+@ keywords properly */
+                        break;
+                }
+                if (j != 0 && strchr ((const char *) p + 1, c) != NULL) /* c exists further down, so it will get matched later */
+                    break;
+                if (whiteness (c) || (whole_right != NULL && strchr (whole_right, c) == NULL))
+                {
+                    if (*p == '\0')
+                    {
+                        i--;
+                        break;
+                    }
+                    if (j == 0)
+                        return -1;
+                    i = j;
+                    break;
+                }
+                i++;
+            }
+            break;
+        case SYNTAX_TOKEN_BRACKET:
+            if (++p > q)
+                return -1;
+            c = -1;
+            while (TRUE)
+            {
+                d = c;
+                c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i));
+                for (j = 0; p[j] != SYNTAX_TOKEN_BRACKET && p[j] != '\0'; j++)
+                    if (c == p[j])
+                        goto found_char2;
+                break;
+              found_char2:
+                i++;
+            }
+            i--;
+            while (*p != SYNTAX_TOKEN_BRACKET && p <= q)
+                p++;
+            if (p > q)
+                return -1;
+            if (p[1] == d)
+                i--;
+            break;
+        case SYNTAX_TOKEN_BRACE:
+            if (++p > q)
+                return -1;
+            c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i));
+            for (; *p != SYNTAX_TOKEN_BRACE && *p != '\0'; p++)
+                if (c == *p)
+                    goto found_char3;
+            return -1;
+          found_char3:
+            while (*p != SYNTAX_TOKEN_BRACE && p < q)
+                p++;
+            break;
+        default:
+            if (*p != xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i)))
+                return -1;
+        }
+    }
+    return (whole_right != NULL &&
+            strchr (whole_right,
+                    xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i))) != NULL) ? -1 : i;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+xx_strchr (const WEdit * edit, const unsigned char *s, int char_byte)
+{
+    while (*s >= '\005' && xx_tolower (edit, *s) != char_byte)
+        s++;
+
+    return (const char *) s;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+apply_rules_going_right (WEdit * edit, off_t i)
+{
+    context_rule_t *r;
+    int c;
+    gboolean contextchanged = FALSE;
+    gboolean found_left = FALSE, found_right = FALSE;
+    gboolean keyword_foundleft = FALSE, keyword_foundright = FALSE;
+    gboolean is_end;
+    off_t end = 0;
+    edit_syntax_rule_t _rule = edit->rule;
+
+    c = xx_tolower (edit, edit_buffer_get_byte (&edit->buffer, i));
+    if (c == 0)
+        return;
+
+    is_end = (edit->rule.end == i);
+
+    /* check to turn off a keyword */
+    if (_rule.keyword != 0)
+    {
+        if (edit_buffer_get_byte (&edit->buffer, i - 1) == '\n')
+            _rule.keyword = 0;
+        if (is_end)
+        {
+            _rule.keyword = 0;
+            keyword_foundleft = TRUE;
+        }
+    }
+
+    /* check to turn off a context */
+    if (_rule.context != 0 && _rule.keyword == 0)
+    {
+        off_t e;
+
+        r = CONTEXT_RULE (g_ptr_array_index (edit->rules, _rule.context));
+        if (r->first_right == c && (edit->rule.border & RULE_ON_RIGHT_BORDER) == 0
+            && r->right->len != 0 && (e =
+                                      compare_word_to_right (edit, i, r->right,
+                                                             r->whole_word_chars_left,
+                                                             r->whole_word_chars_right,
+                                                             r->line_start_right)) > 0)
+        {
+            _rule.end = e;
+            found_right = TRUE;
+            _rule.border = RULE_ON_RIGHT_BORDER;
+            if (r->between_delimiters)
+                _rule.context = 0;
+        }
+        else if (is_end && (edit->rule.border & RULE_ON_RIGHT_BORDER) != 0)
+        {
+            /* always turn off a context at 4 */
+            found_left = TRUE;
+            _rule.border = 0;
+            if (!keyword_foundleft)
+                _rule.context = 0;
+        }
+        else if (is_end && (edit->rule.border & RULE_ON_LEFT_BORDER) != 0)
+        {
+            /* never turn off a context at 2 */
+            found_left = TRUE;
+            _rule.border = 0;
+        }
+    }
+
+    /* check to turn on a keyword */
+    if (_rule.keyword == 0)
+    {
+        const char *p;
+
+        r = CONTEXT_RULE (g_ptr_array_index (edit->rules, _rule.context));
+        p = r->keyword_first_chars;
+
+        if (p != NULL)
+            while (*(p = xx_strchr (edit, (const unsigned char *) p + 1, c)) != '\0')
+            {
+                syntax_keyword_t *k;
+                int count;
+                off_t e = -1;
+
+                count = p - r->keyword_first_chars;
+                k = SYNTAX_KEYWORD (g_ptr_array_index (r->keyword, count));
+                if (k->keyword != 0)
+                    e = compare_word_to_right (edit, i, k->keyword, k->whole_word_chars_left,
+                                               k->whole_word_chars_right, k->line_start);
+                if (e > 0)
+                {
+                    /* when both context and keyword terminate with a newline,
+                       the context overflows to the next line and colorizes it incorrectly */
+                    if (e > i + 1 && _rule._context != 0
+                        && k->keyword->str[k->keyword->len - 1] == '\n')
+                    {
+                        r = CONTEXT_RULE (g_ptr_array_index (edit->rules, _rule._context));
+                        if (r->right != NULL && r->right->len != 0
+                            && r->right->str[r->right->len - 1] == '\n')
+                            e--;
+                    }
+
+                    end = e;
+                    _rule.end = e;
+                    _rule.keyword = count;
+                    keyword_foundright = TRUE;
+                    break;
+                }
+            }
+    }
+
+    /* check to turn on a context */
+    if (_rule.context == 0)
+    {
+        if (!found_left && is_end)
+        {
+            if ((edit->rule.border & RULE_ON_RIGHT_BORDER) != 0)
+            {
+                _rule.border = 0;
+                _rule.context = 0;
+                contextchanged = TRUE;
+                _rule.keyword = 0;
+
+            }
+            else if ((edit->rule.border & RULE_ON_LEFT_BORDER) != 0)
+            {
+                r = CONTEXT_RULE (g_ptr_array_index (edit->rules, _rule._context));
+                _rule.border = 0;
+                if (r->between_delimiters)
+                {
+                    _rule.context = _rule._context;
+                    contextchanged = TRUE;
+                    _rule.keyword = 0;
+
+                    if (r->first_right == c)
+                    {
+                        off_t e = -1;
+
+                        if (r->right->len != 0)
+                            e = compare_word_to_right (edit, i, r->right, r->whole_word_chars_left,
+                                                       r->whole_word_chars_right,
+                                                       r->line_start_right);
+                        if (e >= end)
+                        {
+                            _rule.end = e;
+                            found_right = TRUE;
+                            _rule.border = RULE_ON_RIGHT_BORDER;
+                            _rule.context = 0;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (!found_right)
+        {
+            size_t count;
+
+            for (count = 1; count < edit->rules->len; count++)
+            {
+                r = CONTEXT_RULE (g_ptr_array_index (edit->rules, count));
+                if (r->first_left == c)
+                {
+                    off_t e = -1;
+
+                    if (r->left->len != 0)
+                        e = compare_word_to_right (edit, i, r->left, r->whole_word_chars_left,
+                                                   r->whole_word_chars_right, r->line_start_left);
+                    if (e >= end && (_rule.keyword == 0 || keyword_foundright))
+                    {
+                        _rule.end = e;
+                        _rule.border = RULE_ON_LEFT_BORDER;
+                        _rule._context = count;
+                        if (!r->between_delimiters && _rule.keyword == 0)
+                        {
+                            _rule.context = count;
+                            contextchanged = TRUE;
+                        }
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    /* check again to turn on a keyword if the context switched */
+    if (contextchanged && _rule.keyword == 0)
+    {
+        const char *p;
+
+        r = CONTEXT_RULE (g_ptr_array_index (edit->rules, _rule.context));
+        p = r->keyword_first_chars;
+
+        while (*(p = xx_strchr (edit, (const unsigned char *) p + 1, c)) != '\0')
+        {
+            syntax_keyword_t *k;
+            int count;
+            off_t e = -1;
+
+            count = p - r->keyword_first_chars;
+            k = SYNTAX_KEYWORD (g_ptr_array_index (r->keyword, count));
+
+            if (k->keyword->len != 0)
+                e = compare_word_to_right (edit, i, k->keyword, k->whole_word_chars_left,
+                                           k->whole_word_chars_right, k->line_start);
+            if (e > 0)
+            {
+                _rule.end = e;
+                _rule.keyword = count;
+                break;
+            }
+        }
+    }
+
+    edit->rule = _rule;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+edit_get_rule (WEdit * edit, off_t byte_index)
+{
+    off_t i;
+
+    if (byte_index > edit->last_get_rule)
+    {
+        for (i = edit->last_get_rule + 1; i <= byte_index; i++)
+        {
+            off_t d = SYNTAX_MARKER_DENSITY;
+
+            apply_rules_going_right (edit, i);
+
+            if (edit->syntax_marker != NULL)
+                d += ((syntax_marker_t *) edit->syntax_marker->data)->offset;
+
+            if (i > d)
+            {
+                syntax_marker_t *s;
+
+                s = g_new (syntax_marker_t, 1);
+                s->offset = i;
+                s->rule = edit->rule;
+                edit->syntax_marker = g_slist_prepend (edit->syntax_marker, s);
+            }
+        }
+    }
+    else if (byte_index < edit->last_get_rule)
+    {
+        while (TRUE)
+        {
+            syntax_marker_t *s;
+
+            if (edit->syntax_marker == NULL)
+            {
+                memset (&edit->rule, 0, sizeof (edit->rule));
+                for (i = -1; i <= byte_index; i++)
+                    apply_rules_going_right (edit, i);
+                break;
+            }
+
+            s = (syntax_marker_t *) edit->syntax_marker->data;
+
+            if (byte_index >= s->offset)
+            {
+                edit->rule = s->rule;
+                for (i = s->offset + 1; i <= byte_index; i++)
+                    apply_rules_going_right (edit, i);
+                break;
+            }
+
+            g_free (s);
+            edit->syntax_marker = g_slist_delete_link (edit->syntax_marker, edit->syntax_marker);
+        }
+    }
+    edit->last_get_rule = byte_index;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+translate_rule_to_color (const WEdit * edit, const edit_syntax_rule_t * rule)
+{
+    syntax_keyword_t *k;
+    context_rule_t *r;
+
+    r = CONTEXT_RULE (g_ptr_array_index (edit->rules, rule->context));
+    k = SYNTAX_KEYWORD (g_ptr_array_index (r->keyword, rule->keyword));
+
+    return k->color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+   Returns 0 on error/eof or a count of the number of bytes read
+   including the newline. Result must be free'd.
+   In case of an error, *line will not be modified.
+ */
+
+static size_t
+read_one_line (char **line, FILE * f)
+{
+    GString *p;
+    size_t r = 0;
+
+    /* not reallocate string too often */
+    p = g_string_sized_new (64);
+
+    while (TRUE)
+    {
+        int c;
+
+        c = fgetc (f);
+        if (c == EOF)
+        {
+            if (ferror (f))
+            {
+                if (errno == EINTR)
+                    continue;
+                r = 0;
+            }
+            break;
+        }
+        r++;
+
+        /* handle all of \r\n, \r, \n correctly. */
+        if (c == '\n')
+            break;
+        if (c == '\r')
+        {
+            c = fgetc (f);
+            if (c == '\n')
+                r++;
+            else
+                ungetc (c, f);
+            break;
+        }
+
+        g_string_append_c (p, c);
+    }
+    if (r != 0)
+        *line = g_string_free (p, FALSE);
+    else
+        g_string_free (p, TRUE);
+
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+convert (char *s)
+{
+    char *r, *p;
+
+    p = r = s;
+    while (*s)
+    {
+        switch (*s)
+        {
+        case '\\':
+            s++;
+            switch (*s)
+            {
+            case ' ':
+                *p = ' ';
+                s--;
+                break;
+            case 'n':
+                *p = '\n';
+                break;
+            case 'r':
+                *p = '\r';
+                break;
+            case 't':
+                *p = '\t';
+                break;
+            case 's':
+                *p = ' ';
+                break;
+            case '*':
+                *p = '*';
+                break;
+            case '\\':
+                *p = '\\';
+                break;
+            case '[':
+            case ']':
+                *p = SYNTAX_TOKEN_BRACKET;
+                break;
+            case '{':
+            case '}':
+                *p = SYNTAX_TOKEN_BRACE;
+                break;
+            case 0:
+                *p = *s;
+                return r;
+            default:
+                *p = *s;
+                break;
+            }
+            break;
+        case '*':
+            *p = SYNTAX_TOKEN_STAR;
+            break;
+        case '+':
+            *p = SYNTAX_TOKEN_PLUS;
+            break;
+        default:
+            *p = *s;
+            break;
+        }
+        s++;
+        p++;
+    }
+    *p = '\0';
+    return r;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+get_args (char *l, char **args, int args_size)
+{
+    int argc = 0;
+
+    while (argc < args_size)
+    {
+        char *p = l;
+
+        while (*p != '\0' && whiteness (*p))
+            p++;
+        if (*p == '\0')
+            break;
+        for (l = p + 1; *l != '\0' && !whiteness (*l); l++)
+            ;
+        if (*l != '\0')
+            *l++ = '\0';
+        args[argc++] = convert (p);
+    }
+    args[argc] = (char *) NULL;
+    return argc;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+this_try_alloc_color_pair (const char *fg, const char *bg, const char *attrs)
+{
+    char f[80], b[80], a[80], *p;
+
+    if (bg != NULL && *bg == '\0')
+        bg = NULL;
+    if (fg != NULL && *fg == '\0')
+        fg = NULL;
+    if (attrs != NULL && *attrs == '\0')
+        attrs = NULL;
+
+    if ((fg == NULL) && (bg == NULL))
+        return EDITOR_NORMAL_COLOR;
+
+    if (fg != NULL)
+    {
+        g_strlcpy (f, fg, sizeof (f));
+        p = strchr (f, '/');
+        if (p != NULL)
+            *p = '\0';
+        fg = f;
+    }
+    if (bg != NULL)
+    {
+        g_strlcpy (b, bg, sizeof (b));
+        p = strchr (b, '/');
+        if (p != NULL)
+            *p = '\0';
+        bg = b;
+    }
+    if ((fg == NULL) || (bg == NULL))
+    {
+        /* get colors from skin */
+        char *editnormal;
+
+        editnormal = mc_skin_get ("editor", "_default_", "default;default");
+
+        if (fg == NULL)
+        {
+            g_strlcpy (f, editnormal, sizeof (f));
+            p = strchr (f, ';');
+            if (p != NULL)
+                *p = '\0';
+            if (f[0] == '\0')
+                g_strlcpy (f, "default", sizeof (f));
+            fg = f;
+        }
+        if (bg == NULL)
+        {
+            p = strchr (editnormal, ';');
+            if ((p != NULL) && (*(++p) != '\0'))
+                g_strlcpy (b, p, sizeof (b));
+            else
+                g_strlcpy (b, "default", sizeof (b));
+            bg = b;
+        }
+
+        g_free (editnormal);
+    }
+
+    if (attrs != NULL)
+    {
+        g_strlcpy (a, attrs, sizeof (a));
+        p = strchr (a, '/');
+        if (p != NULL)
+            *p = '\0';
+        /* get_args() mangles the + signs, unmangle 'em */
+        p = a;
+        while ((p = strchr (p, SYNTAX_TOKEN_PLUS)) != NULL)
+            *p++ = '+';
+        attrs = a;
+    }
+    return tty_try_alloc_color_pair (fg, bg, attrs);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static FILE *
+open_include_file (const char *filename)
+{
+    FILE *f;
+
+    g_free (error_file_name);
+    error_file_name = g_strdup (filename);
+    if (g_path_is_absolute (filename))
+        return fopen (filename, "r");
+
+    g_free (error_file_name);
+    error_file_name =
+        g_build_filename (mc_config_get_data_path (), EDIT_SYNTAX_DIR, filename, (char *) NULL);
+    f = fopen (error_file_name, "r");
+    if (f != NULL)
+        return f;
+
+    g_free (error_file_name);
+    error_file_name =
+        g_build_filename (mc_global.share_data_dir, EDIT_SYNTAX_DIR, filename, (char *) NULL);
+
+    return fopen (error_file_name, "r");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+inline static void
+xx_lowerize_line (WEdit * edit, char *line, size_t len)
+{
+    if (edit->is_case_insensitive)
+    {
+        size_t i;
+
+        for (i = 0; i < len; ++i)
+            line[i] = tolower (line[i]);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/** returns line number on error */
+
+static int
+edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
+{
+    FILE *g = NULL;
+    char *fg, *bg, *attrs;
+    char last_fg[32] = "", last_bg[32] = "", last_attrs[64] = "";
+    char whole_right[512];
+    char whole_left[512];
+    char *l = NULL;
+    int save_line = 0, line = 0;
+    context_rule_t *c = NULL;
+    gboolean no_words = TRUE;
+    int result = 0;
+
+    args[0] = NULL;
+    edit->is_case_insensitive = FALSE;
+
+    strcpy (whole_left, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_01234567890");
+    strcpy (whole_right, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_01234567890");
+
+    edit->rules = g_ptr_array_new_with_free_func (context_rule_free);
+
+    if (edit->defines == NULL)
+        edit->defines = g_tree_new ((GCompareFunc) strcmp);
+
+    while (TRUE)
+    {
+        char **a;
+        size_t len;
+        int argc;
+
+        line++;
+        l = NULL;
+
+        len = read_one_line (&l, f);
+        if (len == 0)
+        {
+            if (g == NULL)
+                break;
+
+            fclose (f);
+            f = g;
+            g = NULL;
+            line = save_line + 1;
+            MC_PTR_FREE (error_file_name);
+            MC_PTR_FREE (l);
+            len = read_one_line (&l, f);
+            if (len == 0)
+                break;
+        }
+
+        xx_lowerize_line (edit, l, len);
+
+        argc = get_args (l, args, args_size);
+        a = args + 1;
+        if (args[0] == NULL)
+        {
+            /* do nothing */
+        }
+        else if (strcmp (args[0], "include") == 0)
+        {
+            if (g != NULL || argc != 2)
+            {
+                result = line;
+                break;
+            }
+            g = f;
+            f = open_include_file (args[1]);
+            if (f == NULL)
+            {
+                MC_PTR_FREE (error_file_name);
+                result = line;
+                break;
+            }
+            save_line = line;
+            line = 0;
+        }
+        else if (strcmp (args[0], "caseinsensitive") == 0)
+        {
+            edit->is_case_insensitive = TRUE;
+        }
+        else if (strcmp (args[0], "wholechars") == 0)
+        {
+            check_a;
+            if (strcmp (*a, "left") == 0)
+            {
+                a++;
+                g_strlcpy (whole_left, *a, sizeof (whole_left));
+            }
+            else if (strcmp (*a, "right") == 0)
+            {
+                a++;
+                g_strlcpy (whole_right, *a, sizeof (whole_right));
+            }
+            else
+            {
+                g_strlcpy (whole_left, *a, sizeof (whole_left));
+                g_strlcpy (whole_right, *a, sizeof (whole_right));
+            }
+            a++;
+            check_not_a;
+        }
+        else if (strcmp (args[0], "context") == 0)
+        {
+            syntax_keyword_t *k;
+
+            check_a;
+            if (edit->rules->len == 0)
+            {
+                /* first context is the default */
+                if (strcmp (*a, "default") != 0)
+                    break_a;
+
+                a++;
+                c = g_new0 (context_rule_t, 1);
+                g_ptr_array_add (edit->rules, c);
+                c->left = g_string_new (" ");
+                c->right = g_string_new (" ");
+            }
+            else
+            {
+                /* Start new context.  */
+                c = g_new0 (context_rule_t, 1);
+                g_ptr_array_add (edit->rules, c);
+                if (strcmp (*a, "exclusive") == 0)
+                {
+                    a++;
+                    c->between_delimiters = TRUE;
+                }
+                check_a;
+                if (strcmp (*a, "whole") == 0)
+                {
+                    a++;
+                    c->whole_word_chars_left = g_strdup (whole_left);
+                    c->whole_word_chars_right = g_strdup (whole_right);
+                }
+                else if (strcmp (*a, "wholeleft") == 0)
+                {
+                    a++;
+                    c->whole_word_chars_left = g_strdup (whole_left);
+                }
+                else if (strcmp (*a, "wholeright") == 0)
+                {
+                    a++;
+                    c->whole_word_chars_right = g_strdup (whole_right);
+                }
+                check_a;
+                if (strcmp (*a, "linestart") == 0)
+                {
+                    a++;
+                    c->line_start_left = TRUE;
+                }
+                check_a;
+                c->left = g_string_new (*a++);
+                check_a;
+                if (strcmp (*a, "linestart") == 0)
+                {
+                    a++;
+                    c->line_start_right = TRUE;
+                }
+                check_a;
+                c->right = g_string_new (*a++);
+                c->first_left = c->left->str[0];
+                c->first_right = c->right->str[0];
+            }
+            c->keyword = g_ptr_array_new_with_free_func (syntax_keyword_free);
+            k = g_new0 (syntax_keyword_t, 1);
+            g_ptr_array_add (c->keyword, k);
+            no_words = FALSE;
+            subst_defines (edit->defines, a, &args[ARGS_LEN]);
+            fg = *a;
+            if (*a != NULL)
+                a++;
+            bg = *a;
+            if (*a != NULL)
+                a++;
+            attrs = *a;
+            if (*a != NULL)
+                a++;
+            g_strlcpy (last_fg, fg != NULL ? fg : "", sizeof (last_fg));
+            g_strlcpy (last_bg, bg != NULL ? bg : "", sizeof (last_bg));
+            g_strlcpy (last_attrs, attrs != NULL ? attrs : "", sizeof (last_attrs));
+            k->color = this_try_alloc_color_pair (fg, bg, attrs);
+            k->keyword = g_string_new (" ");
+            check_not_a;
+        }
+        else if (strcmp (args[0], "spellcheck") == 0)
+        {
+            if (c == NULL)
+            {
+                result = line;
+                break;
+            }
+            c->spelling = TRUE;
+        }
+        else if (strcmp (args[0], "keyword") == 0)
+        {
+            context_rule_t *last_rule;
+            syntax_keyword_t *k;
+
+            if (no_words)
+                break_a;
+            check_a;
+            last_rule = CONTEXT_RULE (g_ptr_array_index (edit->rules, edit->rules->len - 1));
+            k = g_new0 (syntax_keyword_t, 1);
+            g_ptr_array_add (last_rule->keyword, k);
+            if (strcmp (*a, "whole") == 0)
+            {
+                a++;
+                k->whole_word_chars_left = g_strdup (whole_left);
+                k->whole_word_chars_right = g_strdup (whole_right);
+            }
+            else if (strcmp (*a, "wholeleft") == 0)
+            {
+                a++;
+                k->whole_word_chars_left = g_strdup (whole_left);
+            }
+            else if (strcmp (*a, "wholeright") == 0)
+            {
+                a++;
+                k->whole_word_chars_right = g_strdup (whole_right);
+            }
+            check_a;
+            if (strcmp (*a, "linestart") == 0)
+            {
+                a++;
+                k->line_start = TRUE;
+            }
+            check_a;
+            if (strcmp (*a, "whole") == 0)
+                break_a;
+
+            k->keyword = g_string_new (*a++);
+            subst_defines (edit->defines, a, &args[ARGS_LEN]);
+            fg = *a;
+            if (*a != NULL)
+                a++;
+            bg = *a;
+            if (*a != NULL)
+                a++;
+            attrs = *a;
+            if (*a != NULL)
+                a++;
+            if (fg == NULL)
+                fg = last_fg;
+            if (bg == NULL)
+                bg = last_bg;
+            if (attrs == NULL)
+                attrs = last_attrs;
+            k->color = this_try_alloc_color_pair (fg, bg, attrs);
+            check_not_a;
+        }
+        else if (*(args[0]) == '#')
+        {
+            /* do nothing for comment */
+        }
+        else if (strcmp (args[0], "file") == 0)
+        {
+            break;
+        }
+        else if (strcmp (args[0], "define") == 0)
+        {
+            char *key = *a++;
+            char **argv;
+
+            if (argc < 3)
+                break_a;
+            argv = g_tree_lookup (edit->defines, key);
+            if (argv != NULL)
+                mc_defines_destroy (NULL, argv, NULL);
+            else
+                key = g_strdup (key);
+
+            argv = g_new (char *, argc - 1);
+            g_tree_insert (edit->defines, key, argv);
+            while (*a != NULL)
+                *argv++ = g_strdup (*a++);
+            *argv = NULL;
+        }
+        else
+        {
+            /* anything else is an error */
+            break_a;
+        }
+        MC_PTR_FREE (l);
+    }
+    MC_PTR_FREE (l);
+
+    if (edit->rules->len == 0)
+    {
+        g_ptr_array_free (edit->rules, TRUE);
+        edit->rules = NULL;
+    }
+
+    if (result == 0)
+    {
+        size_t i;
+        GString *first_chars;
+
+        if (edit->rules == NULL)
+            return line;
+
+        first_chars = g_string_sized_new (32);
+
+        /* collect first character of keywords */
+        for (i = 0; i < edit->rules->len; i++)
+        {
+            size_t j;
+
+            g_string_set_size (first_chars, 0);
+            c = CONTEXT_RULE (g_ptr_array_index (edit->rules, i));
+
+            g_string_append_c (first_chars, (char) 1);
+            for (j = 1; j < c->keyword->len; j++)
+            {
+                syntax_keyword_t *k;
+
+                k = SYNTAX_KEYWORD (g_ptr_array_index (c->keyword, j));
+                g_string_append_c (first_chars, k->keyword->str[0]);
+            }
+
+            c->keyword_first_chars = g_strndup (first_chars->str, first_chars->len);
+        }
+
+        g_string_free (first_chars, TRUE);
+    }
+
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* returns -1 on file error, line number on error in file syntax */
+static int
+edit_read_syntax_file (WEdit * edit, GPtrArray * pnames, const char *syntax_file,
+                       const char *editor_file, const char *first_line, const char *type)
+{
+    FILE *f, *g = NULL;
+    char *args[ARGS_LEN], *l = NULL;
+    long line = 0;
+    int result = 0;
+    gboolean found = FALSE;
+
+    f = fopen (syntax_file, "r");
+    if (f == NULL)
+    {
+        char *global_syntax_file;
+
+        global_syntax_file =
+            g_build_filename (mc_global.share_data_dir, EDIT_SYNTAX_FILE, (char *) NULL);
+        f = fopen (global_syntax_file, "r");
+        g_free (global_syntax_file);
+        if (f == NULL)
+            return -1;
+    }
+
+    args[0] = NULL;
+    while (TRUE)
+    {
+        line++;
+        MC_PTR_FREE (l);
+        if (read_one_line (&l, f) == 0)
+            break;
+        (void) get_args (l, args, ARGS_LEN - 1);        /* Final NULL */
+        if (args[0] == NULL)
+            continue;
+
+        /* Looking for 'include ...' lines before first 'file ...' ones */
+        if (!found && strcmp (args[0], "include") == 0)
+        {
+            if (args[1] == NULL || (g = open_include_file (args[1])) == NULL)
+            {
+                result = line;
+                break;
+            }
+            goto found_type;
+        }
+
+        /* looking for 'file ...' lines only */
+        if (strcmp (args[0], "file") != 0)
+            continue;
+
+        found = TRUE;
+
+        /* must have two args or report error */
+        if (args[1] == NULL || args[2] == NULL)
+        {
+            result = line;
+            break;
+        }
+
+        if (pnames != NULL)
+        {
+            /* 1: just collecting a list of names of rule sets */
+            g_ptr_array_add (pnames, g_strdup (args[2]));
+        }
+        else if (type != NULL)
+        {
+            /* 2: rule set was explicitly specified by the caller */
+            if (strcmp (type, args[2]) == 0)
+                goto found_type;
+        }
+        else if (editor_file != NULL && edit != NULL)
+        {
+            /* 3: auto-detect rule set from regular expressions */
+            gboolean q;
+
+            q = mc_search (args[1], DEFAULT_CHARSET, editor_file, MC_SEARCH_T_REGEX);
+            /* does filename match arg 1 ? */
+            if (!q && args[3] != NULL)
+            {
+                /* does first line match arg 3 ? */
+                q = mc_search (args[3], DEFAULT_CHARSET, first_line, MC_SEARCH_T_REGEX);
+            }
+            if (q)
+            {
+                int line_error;
+                char *syntax_type;
+
+              found_type:
+                syntax_type = args[2];
+                line_error = edit_read_syntax_rules (edit, g ? g : f, args, ARGS_LEN - 1);
+                if (line_error != 0)
+                {
+                    if (error_file_name == NULL)        /* an included file */
+                        result = line + line_error;
+                    else
+                        result = line_error;
+                }
+                else
+                {
+                    g_free (edit->syntax_type);
+                    edit->syntax_type = g_strdup (syntax_type);
+                    /* if there are no rules then turn off syntax highlighting for speed */
+                    if (g == NULL && edit->rules->len == 1)
+                    {
+                        context_rule_t *r0;
+
+                        r0 = CONTEXT_RULE (g_ptr_array_index (edit->rules, 0));
+                        if (r0->keyword->len == 1 && !r0->spelling)
+                        {
+                            edit_free_syntax_rules (edit);
+                            break;
+                        }
+                    }
+                }
+
+                if (g == NULL)
+                    break;
+
+                fclose (g);
+                g = NULL;
+            }
+        }
+    }
+    g_free (l);
+    fclose (f);
+    return result;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static const char *
+get_first_editor_line (WEdit * edit)
+{
+    static char s[256];
+
+    s[0] = '\0';
+
+    if (edit != NULL)
+    {
+        size_t i;
+
+        for (i = 0; i < sizeof (s) - 1; i++)
+        {
+            s[i] = edit_buffer_get_byte (&edit->buffer, i);
+            if (s[i] == '\n')
+            {
+                s[i] = '\0';
+                break;
+            }
+        }
+
+        s[sizeof (s) - 1] = '\0';
+    }
+
+    return s;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+pstrcmp (const void *p1, const void *p2)
+{
+    return strcmp (*(char *const *) p1, *(char *const *) p2);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+exec_edit_syntax_dialog (const GPtrArray * names, const char *current_syntax)
+{
+    size_t i;
+    Listbox *syntaxlist;
+
+    syntaxlist = listbox_window_new (LIST_LINES, MAX_ENTRY_LEN,
+                                     _("Choose syntax highlighting"), NULL);
+    LISTBOX_APPEND_TEXT (syntaxlist, 'A', _("< Auto >"), NULL, FALSE);
+    LISTBOX_APPEND_TEXT (syntaxlist, 'R', _("< Reload Current Syntax >"), NULL, FALSE);
+
+    for (i = 0; i < names->len; i++)
+    {
+        const char *name;
+
+        name = g_ptr_array_index (names, i);
+        LISTBOX_APPEND_TEXT (syntaxlist, 0, name, NULL, FALSE);
+        if (current_syntax != NULL && strcmp (name, current_syntax) == 0)
+            listbox_set_current (syntaxlist->list, i + N_DFLT_ENTRIES);
+    }
+
+    return listbox_run (syntaxlist);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+edit_get_syntax_color (WEdit * edit, off_t byte_index)
+{
+    if (!tty_use_colors ())
+        return 0;
+
+    if (edit_options.syntax_highlighting && edit->rules != NULL && byte_index < edit->buffer.size)
+    {
+        edit_get_rule (edit, byte_index);
+        return translate_rule_to_color (edit, &edit->rule);
+    }
+
+    return EDITOR_NORMAL_COLOR;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_free_syntax_rules (WEdit * edit)
+{
+    if (edit == NULL)
+        return;
+
+    if (edit->defines != NULL)
+        destroy_defines (&edit->defines);
+
+    if (edit->rules == NULL)
+        return;
+
+    edit_get_rule (edit, -1);
+    MC_PTR_FREE (edit->syntax_type);
+
+    g_ptr_array_free (edit->rules, TRUE);
+    edit->rules = NULL;
+    g_clear_slist (&edit->syntax_marker, g_free);
+    tty_color_free_all_tmp ();
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/**
+ * Load rules into edit struct.  Either edit or *pnames must be NULL.  If
+ * edit is NULL, a list of types will be stored into names.  If type is
+ * NULL, then the type will be selected according to the filename.
+ * type must be edit->syntax_type or NULL
+ */
+void
+edit_load_syntax (WEdit * edit, GPtrArray * pnames, const char *type)
+{
+    int r;
+    char *f = NULL;
+
+    if (auto_syntax)
+        type = NULL;
+
+    if (edit != NULL)
+    {
+        char *saved_type;
+
+        saved_type = g_strdup (type);   /* save edit->syntax_type */
+        edit_free_syntax_rules (edit);
+        edit->syntax_type = saved_type; /* restore edit->syntax_type */
+    }
+
+    if (!tty_use_colors ())
+        return;
+
+    if (!edit_options.syntax_highlighting && (pnames == NULL || pnames->len == 0))
+        return;
+
+    if (edit != NULL && edit->filename_vpath == NULL)
+        return;
+
+    f = mc_config_get_full_path (EDIT_SYNTAX_FILE);
+    if (edit != NULL)
+        r = edit_read_syntax_file (edit, pnames, f, vfs_path_as_str (edit->filename_vpath),
+                                   get_first_editor_line (edit),
+                                   auto_syntax ? NULL : edit->syntax_type);
+    else
+        r = edit_read_syntax_file (NULL, pnames, f, NULL, "", NULL);
+    if (r == -1)
+    {
+        edit_free_syntax_rules (edit);
+        message (D_ERROR, _("Load syntax file"),
+                 _("Cannot open file %s\n%s"), f, unix_error_string (errno));
+    }
+    else if (r != 0)
+    {
+        edit_free_syntax_rules (edit);
+        message (D_ERROR, _("Load syntax file"),
+                 _("Error in file %s on line %d"), error_file_name != NULL ? error_file_name : f,
+                 r);
+        MC_PTR_FREE (error_file_name);
+    }
+
+    g_free (f);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+const char *
+edit_get_syntax_type (const WEdit * edit)
+{
+    return edit->syntax_type;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+edit_syntax_dialog (WEdit * edit)
+{
+    GPtrArray *names;
+    int syntax;
+
+    names = g_ptr_array_new_with_free_func (g_free);
+
+    /* We fill the list of syntax files every time the editor is invoked.
+       Instead we could save the list to a file and update it once the syntax
+       file gets updated (either by testing or by explicit user command). */
+    edit_load_syntax (NULL, names, NULL);
+    g_ptr_array_sort (names, pstrcmp);
+
+    syntax = exec_edit_syntax_dialog (names, edit->syntax_type);
+    if (syntax >= 0)
+    {
+        gboolean force_reload = FALSE;
+        char *current_syntax;
+        gboolean old_auto_syntax;
+
+        current_syntax = g_strdup (edit->syntax_type);
+        old_auto_syntax = auto_syntax;
+
+        switch (syntax)
+        {
+        case 0:                /* auto syntax */
+            auto_syntax = TRUE;
+            break;
+        case 1:                /* reload current syntax */
+            force_reload = TRUE;
+            break;
+        default:
+            auto_syntax = FALSE;
+            g_free (edit->syntax_type);
+            edit->syntax_type = g_strdup (g_ptr_array_index (names, syntax - N_DFLT_ENTRIES));
+        }
+
+        /* Load or unload syntax rules if the option has changed */
+        if (force_reload || (auto_syntax && !old_auto_syntax) || old_auto_syntax ||
+            (current_syntax != NULL && edit->syntax_type != NULL &&
+             strcmp (current_syntax, edit->syntax_type) != 0))
+            edit_load_syntax (edit, NULL, edit->syntax_type);
+
+        g_free (current_syntax);
+    }
+
+    g_ptr_array_free (names, TRUE);
+}
+
+/* --------------------------------------------------------------------------------------------- */