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

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

10 files changed, 2247 insertions, 0 deletions

diff --git a/lib/skin.h b/lib/skin.h
new file mode 100644
index 0000000..024e0c5
--- /dev/null
+++ b/lib/skin.h
@@ -0,0 +1,145 @@
+#ifndef MC_SKIN_H
+#define MC_SKIN_H
+
+#include "lib/global.h"
+
+#include "lib/mcconfig.h"
+
+#include "lib/tty/color.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/* Beware! When using Slang with color, not all the indexes are free.
+   See color-slang.h (A_*) */
+
+/* cache often used colors */
+#define DEFAULT_COLOR             mc_skin_color__cache[0]
+#define NORMAL_COLOR              mc_skin_color__cache[1]
+#define MARKED_COLOR              mc_skin_color__cache[2]
+#define SELECTED_COLOR            mc_skin_color__cache[3]
+#define MARKED_SELECTED_COLOR     mc_skin_color__cache[4]
+#define DISABLED_COLOR            mc_skin_color__cache[5]
+#define REVERSE_COLOR             mc_skin_color__cache[6]
+#define COMMAND_MARK_COLOR        mc_skin_color__cache[7]
+#define HEADER_COLOR              mc_skin_color__cache[8]
+#define SHADOW_COLOR              mc_skin_color__cache[9]
+
+/* Dialog colors */
+#define COLOR_NORMAL              mc_skin_color__cache[10]
+#define COLOR_FOCUS               mc_skin_color__cache[11]
+#define COLOR_HOT_NORMAL          mc_skin_color__cache[12]
+#define COLOR_HOT_FOCUS           mc_skin_color__cache[13]
+#define COLOR_TITLE               mc_skin_color__cache[14]
+
+/* Error dialog colors */
+#define ERROR_COLOR               mc_skin_color__cache[15]
+#define ERROR_FOCUS               mc_skin_color__cache[16]
+#define ERROR_HOT_NORMAL          mc_skin_color__cache[17]
+#define ERROR_HOT_FOCUS           mc_skin_color__cache[18]
+#define ERROR_TITLE               mc_skin_color__cache[19]
+
+/* Menu colors */
+#define MENU_ENTRY_COLOR          mc_skin_color__cache[20]
+#define MENU_SELECTED_COLOR       mc_skin_color__cache[21]
+#define MENU_HOT_COLOR            mc_skin_color__cache[22]
+#define MENU_HOTSEL_COLOR         mc_skin_color__cache[23]
+#define MENU_INACTIVE_COLOR       mc_skin_color__cache[24]
+
+/* Popup menu colors */
+#define PMENU_ENTRY_COLOR         mc_skin_color__cache[25]
+#define PMENU_SELECTED_COLOR      mc_skin_color__cache[26]
+#define PMENU_HOT_COLOR           mc_skin_color__cache[27]      /* unused: not implemented yet */
+#define PMENU_HOTSEL_COLOR        mc_skin_color__cache[28]      /* unused: not implemented yet */
+#define PMENU_TITLE_COLOR         mc_skin_color__cache[29]
+
+#define BUTTONBAR_HOTKEY_COLOR    mc_skin_color__cache[30]
+#define BUTTONBAR_BUTTON_COLOR    mc_skin_color__cache[31]
+
+#define STATUSBAR_COLOR           mc_skin_color__cache[32]
+
+/*
+ * This should be selectable independently. Default has to be black background
+ * foreground does not matter at all.
+ */
+#define GAUGE_COLOR               mc_skin_color__cache[33]
+#define INPUT_COLOR               mc_skin_color__cache[34]
+#define INPUT_UNCHANGED_COLOR     mc_skin_color__cache[35]
+#define INPUT_MARK_COLOR          mc_skin_color__cache[36]
+#define INPUT_HISTORY_COLOR       mc_skin_color__cache[37]
+#define COMMAND_HISTORY_COLOR     mc_skin_color__cache[38]
+
+#define HELP_NORMAL_COLOR         mc_skin_color__cache[39]
+#define HELP_ITALIC_COLOR         mc_skin_color__cache[40]
+#define HELP_BOLD_COLOR           mc_skin_color__cache[41]
+#define HELP_LINK_COLOR           mc_skin_color__cache[42]
+#define HELP_SLINK_COLOR          mc_skin_color__cache[43]
+#define HELP_TITLE_COLOR          mc_skin_color__cache[44]
+
+
+#define VIEW_NORMAL_COLOR         mc_skin_color__cache[45]
+#define VIEW_BOLD_COLOR           mc_skin_color__cache[46]
+#define VIEW_UNDERLINED_COLOR     mc_skin_color__cache[47]
+#define VIEW_SELECTED_COLOR       mc_skin_color__cache[48]
+
+/*
+ * editor colors - only 4 for normal, search->found, select, and whitespace
+ * respectively
+ * Last is defined to view color.
+ */
+#define EDITOR_NORMAL_COLOR       mc_skin_color__cache[49]
+#define EDITOR_BOLD_COLOR         mc_skin_color__cache[50]
+#define EDITOR_MARKED_COLOR       mc_skin_color__cache[51]
+#define EDITOR_WHITESPACE_COLOR   mc_skin_color__cache[52]
+#define EDITOR_RIGHT_MARGIN_COLOR mc_skin_color__cache[53]
+#define EDITOR_BACKGROUND         mc_skin_color__cache[54]
+#define EDITOR_FRAME              mc_skin_color__cache[55]
+#define EDITOR_FRAME_ACTIVE       mc_skin_color__cache[56]
+#define EDITOR_FRAME_DRAG         mc_skin_color__cache[57]
+/* color of left 8 char status per line */
+#define LINE_STATE_COLOR          mc_skin_color__cache[58]
+#define BOOK_MARK_COLOR           mc_skin_color__cache[59]
+#define BOOK_MARK_FOUND_COLOR     mc_skin_color__cache[60]
+
+/* Diff colors */
+#define DFF_ADD_COLOR             mc_skin_color__cache[61]
+#define DFF_CHG_COLOR             mc_skin_color__cache[62]
+#define DFF_CHH_COLOR             mc_skin_color__cache[63]
+#define DFF_CHD_COLOR             mc_skin_color__cache[64]
+#define DFF_DEL_COLOR             mc_skin_color__cache[65]
+#define DFF_ERROR_COLOR           mc_skin_color__cache[66]
+
+#define MC_SKIN_COLOR_CACHE_COUNT 67
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_skin_struct
+{
+    gchar *name;
+    gchar *description;
+    mc_config_t *config;
+    GHashTable *colors;
+    gboolean have_256_colors;
+    gboolean have_true_colors;
+} mc_skin_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+extern int mc_skin_color__cache[];
+extern mc_skin_t mc_skin__default;
+
+/*** declarations of public functions ************************************************************/
+
+gboolean mc_skin_init (const gchar * skin_override, GError ** error);
+void mc_skin_deinit (void);
+
+int mc_skin_color_get (const gchar * group, const gchar * name);
+
+void mc_skin_lines_parse_ini_file (mc_skin_t * mc_skin);
+
+gchar *mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value);
+
+GPtrArray *mc_skin_list (void);
+
+#endif /* MC_SKIN_H */
diff --git a/lib/skin/Makefile.am b/lib/skin/Makefile.am
new file mode 100644
index 0000000..04f12ed
--- /dev/null
+++ b/lib/skin/Makefile.am
@@ -0,0 +1,12 @@
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+
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+	colors-old.c \
+	common.c \
+	hc-skins.c \
+	ini-file.c \
+	lines.c \
+	internal.h
+
+AM_CPPFLAGS = -I$(top_srcdir) $(GLIB_CFLAGS)
diff --git a/lib/skin/Makefile.in b/lib/skin/Makefile.in
new file mode 100644
index 0000000..62f642b
--- /dev/null
+++ b/lib/skin/Makefile.in
@@ -0,0 +1,760 @@
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/skin/colors-old.c b/lib/skin/colors-old.c
new file mode 100644
index 0000000..628b2aa
--- /dev/null
+++ b/lib/skin/colors-old.c
@@ -0,0 +1,203 @@
+/*
+   Skins engine.
+   Work with colors - backward compatibility
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>             /* strcmp() */
+#include <sys/types.h>          /* size_t */
+
+#include "internal.h"
+
+#include "lib/tty/color.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct mc_skin_colors_old_struct
+{
+    const char *old_color;
+    const char *group;
+    const char *key;
+} mc_skin_colors_old_t;
+
+/*** file scope variables ************************************************************************/
+
+/* keep this table alphabetically sorted */
+static const mc_skin_colors_old_t old_colors[] = {
+    {"bbarbutton", "buttonbar", "button"},
+    {"bbarhotkey", "buttonbar", "hotkey"},
+    {"commandlinemark", "core", "commandlinemark"},
+    {"dfocus", "dialog", "dfocus"},
+    {"dhotfocus", "dialog", "dhotfocus"},
+    {"dhotnormal", "dialog", "dhotnormal"},
+    {"disabled", "core", "disabled"},
+    {"dnormal", "dialog", "_default_"},
+    {"editbg", "editor", "editbg"},
+    {"editbold", "editor", "editbold"},
+    {"editframe", "editor", "editframe"},
+    {"editframeactive", "editor", "editframeactive"},
+    {"editframedrag", "editor", "editframedrag"},
+    {"editlinestate", "editor", "editlinestate"},
+    {"editmarked", "editor", "editmarked"},
+    {"editnormal", "editor", "_default_"},
+    {"editwhitespace", "editor", "editwhitespace"},
+    {"errdhotfocus", "error", "errdhotfocus"},
+    {"errdhotnormal", "error", "errdhotnormal"},
+    {"errors", "error", "_default_"},
+    {"gauge", "core", "gauge"},
+    {"header", "core", "header"},
+    {"helpbold", "help", "helpbold"},
+    {"helpitalic", "help", "helpitalic"},
+    {"helplink", "help", "helplink"},
+    {"helpnormal", "help", "_default_"},
+    {"helpslink", "help", "helpslink"},
+    {"input", "core", "input"},
+    {"inputmark", "core", "inputmark"},
+    {"inputunchanged", "core", "inputunchanged"},
+    {"marked", "core", "marked"},
+    {"markselect", "core", "markselect"},
+    {"menuhot", "menu", "menuhot"},
+    {"menuhotsel", "menu", "menuhotsel"},
+    {"menuinactive", "menu", "menuinactive"},
+    {"menunormal", "menu", "_default_"},
+    {"menusel", "menu", "menusel"},
+    {"normal", "core", "_default_"},
+    {"pmenunormal", "popupmenu", "_default_"},
+    {"pmenusel", "popupmenu", "menusel"},
+    {"pmenutitle", "popupmenu", "menutitle"},
+    {"reverse", "core", "reverse"},
+    {"selected", "core", "selected"},
+    {"statusbar", "statusbar", "_default_"},
+    {"viewbold", "viewer", "viewbold"},
+    {"viewnormal", "viewer", "_default_"},
+    {"viewselected", "viewer", "viewselected"},
+    {"viewunderline", "viewer", "viewunderline"}
+};
+
+static const size_t num_old_colors = G_N_ELEMENTS (old_colors);
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+old_color_comparator (const void *p1, const void *p2)
+{
+    const mc_skin_colors_old_t *m1 = (const mc_skin_colors_old_t *) p1;
+    const mc_skin_colors_old_t *m2 = (const mc_skin_colors_old_t *) p2;
+
+    return strcmp (m1->old_color, m2->old_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_colors_old_transform (const char *old_color, const char **group, const char **key)
+{
+    const mc_skin_colors_old_t oc = { old_color, NULL, NULL };
+    mc_skin_colors_old_t *res;
+
+    if (old_color == NULL)
+        return FALSE;
+
+    res = (mc_skin_colors_old_t *) bsearch (&oc, old_colors, num_old_colors,
+                                            sizeof (old_colors[0]), old_color_comparator);
+
+    if (res == NULL)
+        return FALSE;
+
+    if (group != NULL)
+        *group = res->group;
+    if (key != NULL)
+        *key = res->key;
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_colors_old_configure_one (mc_skin_t * mc_skin, const char *the_color_string)
+{
+    gchar **colors, **orig_colors;
+
+    if (the_color_string == NULL)
+        return;
+
+    orig_colors = g_strsplit (the_color_string, ":", -1);
+    if (orig_colors == NULL)
+        return;
+
+    for (colors = orig_colors; *colors != NULL; colors++)
+    {
+        gchar **key_val;
+        const gchar *skin_group, *skin_key;
+
+        key_val = g_strsplit_set (*colors, "=,", 4);
+
+        if (key_val == NULL)
+            continue;
+
+        if (key_val[1] != NULL && mc_skin_colors_old_transform (key_val[0], &skin_group, &skin_key))
+        {
+            gchar *skin_val;
+
+            if (key_val[2] == NULL)
+                skin_val = g_strdup_printf ("%s;", key_val[1]);
+            else if (key_val[3] == NULL)
+                skin_val = g_strdup_printf ("%s;%s", key_val[1], key_val[2]);
+            else
+                skin_val = g_strdup_printf ("%s;%s;%s", key_val[1], key_val[2], key_val[3]);
+
+            mc_config_set_string (mc_skin->config, skin_group, skin_key, skin_val);
+            g_free (skin_val);
+        }
+
+        g_strfreev (key_val);
+    }
+    g_strfreev (orig_colors);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_colors_old_configure (mc_skin_t * mc_skin)
+{
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.setup_color_string);
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.term_color_string);
+    mc_skin_colors_old_configure_one (mc_skin, getenv ("MC_COLOR_TABLE"));
+    mc_skin_colors_old_configure_one (mc_skin, mc_global.tty.command_line_colors);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/colors.c b/lib/skin/colors.c
new file mode 100644
index 0000000..87e9442
--- /dev/null
+++ b/lib/skin/colors.c
@@ -0,0 +1,422 @@
+/*
+   Skins engine.
+   Work with colors
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <string.h>
+
+#include "internal.h"
+
+#include "lib/tty/color.h"
+
+/*** global variables ****************************************************************************/
+
+int mc_skin_color__cache[MC_SKIN_COLOR_CACHE_COUNT];
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_skin_color_t *
+mc_skin_color_get_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gchar kname[BUF_TINY];
+    mc_skin_color_t *mc_skin_color;
+
+    if (group == NULL || key == NULL)
+        return NULL;
+
+    if (mc_skin == NULL)
+        mc_skin = &mc_skin__default;
+
+    g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
+    mc_skin_color = (mc_skin_color_t *) g_hash_table_lookup (mc_skin->colors, (gpointer) kname);
+
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+#if 0
+static void
+mc_skin_color_remove_from_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gchar kname[BUF_TINY];
+    if (group == NULL || key == NULL)
+        return;
+
+    if (mc_skin == NULL)
+        mc_skin = &mc_skin__default;
+
+    g_snprintf (kname, sizeof (kname), "%s.%s", group, key);
+    g_hash_table_remove (mc_skin->colors, (gpointer) kname);
+}
+#endif
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_add_to_hash (mc_skin_t * mc_skin, const gchar * group, const gchar * key,
+                           mc_skin_color_t * mc_skin_color)
+{
+    gchar *kname;
+
+    kname = g_strdup_printf ("%s.%s", group, key);
+    if (kname != NULL)
+    {
+        if (g_hash_table_lookup (mc_skin->colors, (gpointer) kname) != NULL)
+            g_hash_table_remove (mc_skin->colors, (gpointer) kname);
+
+        g_hash_table_insert (mc_skin->colors, (gpointer) kname, (gpointer) mc_skin_color);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_skin_color_t *
+mc_skin_color_get_with_defaults (const gchar * group, const gchar * name)
+{
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, group, name);
+    if (mc_skin_color != NULL)
+        return mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, group, "_default_");
+    if (mc_skin_color != NULL)
+        return mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_from_hash (NULL, "core", "_default_");
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+/* If an alias is found, alloc a new string for the resolved value and free the input parameter.
+   Otherwise it's a no-op returning the original string. */
+static gchar *
+mc_skin_color_look_up_alias (mc_skin_t * mc_skin, gchar * str)
+{
+    gchar *orig, *str2;
+    int hop = 0;
+
+    orig = g_strdup (str);
+    str2 = g_strdup (str);
+
+    while (TRUE)
+    {
+        gchar **values;
+        gsize items_count;
+
+        values = mc_config_get_string_list (mc_skin->config, "aliases", str, &items_count);
+        if (items_count != 1)
+        {
+            /* No such alias declaration found, that is, we've got the resolved value. */
+            g_strfreev (values);
+            g_free (str2);
+            g_free (orig);
+            return str;
+        }
+
+        g_free (str);
+        str = g_strdup (values[0]);
+        g_strfreev (values);
+
+        /* str2 resolves at half speed than str. This is used for loop detection. */
+        if (hop++ % 2 != 0)
+        {
+            values = mc_config_get_string_list (mc_skin->config, "aliases", str2, &items_count);
+            g_assert (items_count == 1);
+            g_free (str2);
+            str2 = g_strdup (values[0]);
+            g_strfreev (values);
+
+            if (strcmp (str, str2) == 0)
+            {
+                /* Loop detected. */
+                fprintf (stderr,
+                         "Loop detected while trying to resolve alias \"%s\" in skin \"%s\"\n",
+                         orig, mc_skin->name);
+                g_free (str);
+                g_free (str2);
+                return orig;
+            }
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static mc_skin_color_t *
+mc_skin_color_get_from_ini_file (mc_skin_t * mc_skin, const gchar * group, const gchar * key)
+{
+    gsize items_count;
+    gchar **values;
+    mc_skin_color_t *mc_skin_color, *tmp;
+
+    values = mc_config_get_string_list (mc_skin->config, group, key, &items_count);
+    if (values == NULL || values[0] == NULL)
+    {
+        g_strfreev (values);
+        return NULL;
+    }
+
+    mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
+    if (mc_skin_color == NULL)
+    {
+        g_strfreev (values);
+        return NULL;
+    }
+
+    tmp = mc_skin_color_get_with_defaults (group, "_default_");
+    mc_skin_color->fgcolor = (items_count > 0 && values[0][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[0]))) :
+        (tmp != NULL) ? g_strdup (tmp->fgcolor) : NULL;
+    mc_skin_color->bgcolor = (items_count > 1 && values[1][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[1]))) :
+        (tmp != NULL) ? g_strdup (tmp->bgcolor) : NULL;
+    mc_skin_color->attrs = (items_count > 2 && values[2][0]) ?
+        mc_skin_color_look_up_alias (mc_skin, g_strstrip (g_strdup (values[2]))) :
+        (tmp != NULL) ? g_strdup (tmp->attrs) : NULL;
+
+    g_strfreev (values);
+
+    mc_skin_color->pair_index =
+        tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
+                                   mc_skin_color->attrs, FALSE);
+
+    return mc_skin_color;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_set_default_for_terminal (mc_skin_t * mc_skin)
+{
+    mc_skin_color_t *mc_skin_color;
+    mc_skin_color = g_try_new0 (mc_skin_color_t, 1);
+    if (mc_skin_color != NULL)
+    {
+        mc_skin_color->fgcolor = g_strdup ("default");
+        mc_skin_color->bgcolor = g_strdup ("default");
+        mc_skin_color->attrs = NULL;
+        mc_skin_color->pair_index =
+            tty_try_alloc_color_pair2 (mc_skin_color->fgcolor, mc_skin_color->bgcolor,
+                                       mc_skin_color->attrs, FALSE);
+        mc_skin_color_add_to_hash (mc_skin, "skin", "terminal_default_color", mc_skin_color);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_cache_init (void)
+{
+    DEFAULT_COLOR = mc_skin_color_get ("skin", "terminal_default_color");
+    NORMAL_COLOR = mc_skin_color_get ("core", "_default_");
+    MARKED_COLOR = mc_skin_color_get ("core", "marked");
+    SELECTED_COLOR = mc_skin_color_get ("core", "selected");
+    MARKED_SELECTED_COLOR = mc_skin_color_get ("core", "markselect");
+    DISABLED_COLOR = mc_skin_color_get ("core", "disabled");
+    REVERSE_COLOR = mc_skin_color_get ("core", "reverse");
+    HEADER_COLOR = mc_skin_color_get ("core", "header");
+    COMMAND_MARK_COLOR = mc_skin_color_get ("core", "commandlinemark");
+    SHADOW_COLOR = mc_skin_color_get ("core", "shadow");
+
+    COLOR_NORMAL = mc_skin_color_get ("dialog", "_default_");
+    COLOR_FOCUS = mc_skin_color_get ("dialog", "dfocus");
+    COLOR_HOT_NORMAL = mc_skin_color_get ("dialog", "dhotnormal");
+    COLOR_HOT_FOCUS = mc_skin_color_get ("dialog", "dhotfocus");
+    COLOR_TITLE = mc_skin_color_get ("dialog", "dtitle");
+
+    ERROR_COLOR = mc_skin_color_get ("error", "_default_");
+    ERROR_FOCUS = mc_skin_color_get ("error", "errdfocus");
+    ERROR_HOT_NORMAL = mc_skin_color_get ("error", "errdhotnormal");
+    ERROR_HOT_FOCUS = mc_skin_color_get ("error", "errdhotfocus");
+    ERROR_TITLE = mc_skin_color_get ("error", "errdtitle");
+
+    MENU_ENTRY_COLOR = mc_skin_color_get ("menu", "_default_");
+    MENU_SELECTED_COLOR = mc_skin_color_get ("menu", "menusel");
+    MENU_HOT_COLOR = mc_skin_color_get ("menu", "menuhot");
+    MENU_HOTSEL_COLOR = mc_skin_color_get ("menu", "menuhotsel");
+    MENU_INACTIVE_COLOR = mc_skin_color_get ("menu", "menuinactive");
+
+    PMENU_ENTRY_COLOR = mc_skin_color_get ("popupmenu", "_default_");
+    PMENU_SELECTED_COLOR = mc_skin_color_get ("popupmenu", "menusel");
+    PMENU_TITLE_COLOR = mc_skin_color_get ("popupmenu", "menutitle");
+
+    BUTTONBAR_HOTKEY_COLOR = mc_skin_color_get ("buttonbar", "hotkey");
+    BUTTONBAR_BUTTON_COLOR = mc_skin_color_get ("buttonbar", "button");
+
+    STATUSBAR_COLOR = mc_skin_color_get ("statusbar", "_default_");
+
+    GAUGE_COLOR = mc_skin_color_get ("core", "gauge");
+    INPUT_COLOR = mc_skin_color_get ("core", "input");
+    INPUT_HISTORY_COLOR = mc_skin_color_get ("core", "inputhistory");
+    COMMAND_HISTORY_COLOR = mc_skin_color_get ("core", "commandhistory");
+    INPUT_MARK_COLOR = mc_skin_color_get ("core", "inputmark");
+    INPUT_UNCHANGED_COLOR = mc_skin_color_get ("core", "inputunchanged");
+
+    HELP_NORMAL_COLOR = mc_skin_color_get ("help", "_default_");
+    HELP_ITALIC_COLOR = mc_skin_color_get ("help", "helpitalic");
+    HELP_BOLD_COLOR = mc_skin_color_get ("help", "helpbold");
+    HELP_LINK_COLOR = mc_skin_color_get ("help", "helplink");
+    HELP_SLINK_COLOR = mc_skin_color_get ("help", "helpslink");
+    HELP_TITLE_COLOR = mc_skin_color_get ("help", "helptitle");
+
+    VIEW_NORMAL_COLOR = mc_skin_color_get ("viewer", "_default_");
+    VIEW_BOLD_COLOR = mc_skin_color_get ("viewer", "viewbold");
+    VIEW_UNDERLINED_COLOR = mc_skin_color_get ("viewer", "viewunderline");
+    VIEW_SELECTED_COLOR = mc_skin_color_get ("viewer", "viewselected");
+
+    EDITOR_NORMAL_COLOR = mc_skin_color_get ("editor", "_default_");
+    EDITOR_BOLD_COLOR = mc_skin_color_get ("editor", "editbold");
+    EDITOR_MARKED_COLOR = mc_skin_color_get ("editor", "editmarked");
+    EDITOR_WHITESPACE_COLOR = mc_skin_color_get ("editor", "editwhitespace");
+    EDITOR_RIGHT_MARGIN_COLOR = mc_skin_color_get ("editor", "editrightmargin");
+    LINE_STATE_COLOR = mc_skin_color_get ("editor", "editlinestate");
+    EDITOR_BACKGROUND = mc_skin_color_get ("editor", "editbg");
+    EDITOR_FRAME = mc_skin_color_get ("editor", "editframe");
+    EDITOR_FRAME_ACTIVE = mc_skin_color_get ("editor", "editframeactive");
+    EDITOR_FRAME_DRAG = mc_skin_color_get ("editor", "editframedrag");
+
+    BOOK_MARK_COLOR = mc_skin_color_get ("editor", "bookmark");
+    BOOK_MARK_FOUND_COLOR = mc_skin_color_get ("editor", "bookmarkfound");
+
+    DFF_ADD_COLOR = mc_skin_color_get ("diffviewer", "added");
+    DFF_CHG_COLOR = mc_skin_color_get ("diffviewer", "changedline");
+    DFF_CHH_COLOR = mc_skin_color_get ("diffviewer", "changednew");
+    DFF_CHD_COLOR = mc_skin_color_get ("diffviewer", "changed");
+    DFF_DEL_COLOR = mc_skin_color_get ("diffviewer", "removed");
+    DFF_ERROR_COLOR = mc_skin_color_get ("diffviewer", "error");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_color_check_inisection (const gchar * group)
+{
+    return !((strcasecmp ("skin", group) == 0) || (strcasecmp ("aliases", group) == 0)
+             || (strcasecmp ("lines", group) == 0) || (strncasecmp ("widget-", group, 7) == 0));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_color_check_bw_mode (mc_skin_t * mc_skin)
+{
+    gchar **groups, **orig_groups;
+
+    if (tty_use_colors () && !mc_global.tty.disable_colors)
+        return;
+
+    orig_groups = mc_config_get_groups (mc_skin->config, NULL);
+
+    for (groups = orig_groups; *groups != NULL; groups++)
+        if (mc_skin_color_check_inisection (*groups))
+            mc_config_del_group (mc_skin->config, *groups);
+
+    g_strfreev (orig_groups);
+
+    mc_skin_hardcoded_blackwhite_colors (mc_skin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_color_parse_ini_file (mc_skin_t * mc_skin)
+{
+    gboolean ret = FALSE;
+    gsize items_count;
+    gchar **groups, **orig_groups;
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color_check_bw_mode (mc_skin);
+
+    orig_groups = mc_config_get_groups (mc_skin->config, &items_count);
+    if (*orig_groups == NULL)
+        goto ret;
+
+    /* as first, need to set up default colors */
+    mc_skin_color_set_default_for_terminal (mc_skin);
+    mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, "core", "_default_");
+    if (mc_skin_color == NULL)
+        goto ret;
+
+    tty_color_set_defaults (mc_skin_color->fgcolor, mc_skin_color->bgcolor, mc_skin_color->attrs);
+    mc_skin_color_add_to_hash (mc_skin, "core", "_default_", mc_skin_color);
+
+    for (groups = orig_groups; *groups != NULL; groups++)
+    {
+        gchar **keys, **orig_keys;
+
+        if (!mc_skin_color_check_inisection (*groups))
+            continue;
+
+        orig_keys = mc_config_get_keys (mc_skin->config, *groups, NULL);
+
+        for (keys = orig_keys; *keys != NULL; keys++)
+        {
+            mc_skin_color = mc_skin_color_get_from_ini_file (mc_skin, *groups, *keys);
+            if (mc_skin_color != NULL)
+                mc_skin_color_add_to_hash (mc_skin, *groups, *keys, mc_skin_color);
+        }
+        g_strfreev (orig_keys);
+    }
+
+    mc_skin_color_cache_init ();
+
+    ret = TRUE;
+
+  ret:
+    g_strfreev (orig_groups);
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+int
+mc_skin_color_get (const gchar * group, const gchar * name)
+{
+    mc_skin_color_t *mc_skin_color;
+
+    mc_skin_color = mc_skin_color_get_with_defaults (group, name);
+
+    return (mc_skin_color != NULL) ? mc_skin_color->pair_index : 0;
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/common.c b/lib/skin/common.c
new file mode 100644
index 0000000..85790f2
--- /dev/null
+++ b/lib/skin/common.c
@@ -0,0 +1,209 @@
+/*
+   Skins engine.
+   Interface functions
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+#include "internal.h"
+#include "lib/util.h"
+
+#include "lib/tty/color.h"      /* tty_use_256colors(); */
+
+/*** global variables ****************************************************************************/
+
+mc_skin_t mc_skin__default;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean mc_skin_is_init = FALSE;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_hash_destroy_value (gpointer data)
+{
+    mc_skin_color_t *mc_skin_color = (mc_skin_color_t *) data;
+    g_free (mc_skin_color->fgcolor);
+    g_free (mc_skin_color->bgcolor);
+    g_free (mc_skin_color->attrs);
+    g_free (mc_skin_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_skin_get_default_name (void)
+{
+    char *tmp_str;
+
+    /* from command line */
+    if (mc_global.tty.skin != NULL)
+        return g_strdup (mc_global.tty.skin);
+
+    /* from envirovement variable */
+    tmp_str = getenv ("MC_SKIN");
+    if (tmp_str != NULL)
+        return g_strdup (tmp_str);
+
+    /*  from config. Or 'default' if no present in config */
+    return mc_config_get_string (mc_global.main_config, CONFIG_APP_SECTION, "skin", "default");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_reinit (void)
+{
+    mc_skin_deinit ();
+    mc_skin__default.name = mc_skin_get_default_name ();
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_try_to_load_default (void)
+{
+    mc_skin_reinit ();
+    g_free (mc_skin__default.name);
+    mc_skin__default.name = g_strdup ("default");
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_skin_reinit ();
+        mc_skin_set_hardcoded_skin (&mc_skin__default);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_init (const gchar * skin_override, GError ** mcerror)
+{
+    gboolean is_good_init = TRUE;
+    GError *error = NULL;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    mc_skin__default.have_256_colors = FALSE;
+    mc_skin__default.have_true_colors = FALSE;
+
+    mc_skin__default.name =
+        skin_override != NULL ? g_strdup (skin_override) : mc_skin_get_default_name ();
+
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to load '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        is_good_init = FALSE;
+    }
+    mc_skin_colors_old_configure (&mc_skin__default);
+
+    if (!mc_skin_ini_file_parse (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to parse '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_true_colors && !tty_use_truecolors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with true colors support:\n%s\nDefault skin has been loaded"),
+                            mc_skin__default.name, error->message);
+        g_error_free (error);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_256_colors && !tty_use_256colors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with 256 colors support\non non-256 colors terminal.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    mc_skin_is_init = TRUE;
+    return is_good_init;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_deinit (void)
+{
+    tty_color_free_all_tmp ();
+    tty_color_free_all_non_tmp ();
+
+    MC_PTR_FREE (mc_skin__default.name);
+    g_hash_table_destroy (mc_skin__default.colors);
+    mc_skin__default.colors = NULL;
+
+    MC_PTR_FREE (mc_skin__default.description);
+
+    mc_config_deinit (mc_skin__default.config);
+    mc_skin__default.config = NULL;
+
+    mc_skin_is_init = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value)
+{
+    if (mc_global.tty.ugly_line_drawing)
+        return g_strdup (default_value);
+
+    return mc_config_get_string (mc_skin__default.config, group, key, default_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/hc-skins.c b/lib/skin/hc-skins.c
new file mode 100644
index 0000000..95ac73d
--- /dev/null
+++ b/lib/skin/hc-skins.c
@@ -0,0 +1,146 @@
+/*
+   Skins engine.
+   Set of hardcoded skins
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Andrew Borodin <aborodin@vmail.ru>, 2012
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "internal.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#define set_lines(x,y) mc_config_set_string(mc_skin->config, "Lines", x, y)
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_blackwhite_colors (mc_skin_t * mc_skin)
+{
+    mc_config_set_string (mc_skin->config, "core", "_default_", "default;default");
+    mc_config_set_string (mc_skin->config, "core", "selected", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "core", "marked", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "core", "markselect", "A_BOLD_REVERSE");
+    mc_config_set_string (mc_skin->config, "core", "disabled", "default");
+    mc_config_set_string (mc_skin->config, "core", "reverse", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "dialog", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "dialog", "dfocus", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "dialog", "dhotnormal", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "dialog", "dhotfocus", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "error", "_default_", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "menu", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "menu", "menuhot", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "menu", "menusel", "default");
+    mc_config_set_string (mc_skin->config, "menu", "menuhotsel", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "menu", "menuinactive", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "popupmenu", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "popupmenu", "menusel", "default");
+    mc_config_set_string (mc_skin->config, "popupmenu", "menutitle", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "statusbar", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "_default_", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpitalic", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpbold", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "help", "helpslink", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "viewer", "viewunderline", "A_UNDERLINE");
+    mc_config_set_string (mc_skin->config, "editor", "editbold", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "editor", "editmarked", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "editor", "editframeactive", "A_BOLD");
+    mc_config_set_string (mc_skin->config, "editor", "editframedrag", "A_REVERSE");
+    mc_config_set_string (mc_skin->config, "buttonbar", "hotkey", "default");
+    mc_config_set_string (mc_skin->config, "buttonbar", "button", "A_REVERSE");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_space_lines (mc_skin_t * mc_skin)
+{
+    /* single lines */
+    set_lines ("vert", " ");
+    set_lines ("horiz", " ");
+    set_lines ("lefttop", " ");
+    set_lines ("righttop", " ");
+    set_lines ("leftbottom", " ");
+    set_lines ("rightbottom", " ");
+    set_lines ("topmiddle", " ");
+    set_lines ("bottommiddle", " ");
+    set_lines ("leftmiddle", " ");
+    set_lines ("rightmiddle", " ");
+    set_lines ("cross", " ");
+
+    set_lines ("dvert", " ");
+    set_lines ("dhoriz", " ");
+    set_lines ("dlefttop", " ");
+    set_lines ("drighttop", " ");
+    set_lines ("dleftbottom", " ");
+    set_lines ("drightbottom", " ");
+    set_lines ("dtopmiddle", " ");
+    set_lines ("dbottommiddle", " ");
+    set_lines ("dleftmiddle", " ");
+    set_lines ("drightmiddle", " ");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_hardcoded_ugly_lines (mc_skin_t * mc_skin)
+{
+    /* single lines */
+    set_lines ("vert", "|");
+    set_lines ("horiz", "-");
+    set_lines ("lefttop", "+");
+    set_lines ("righttop", "+");
+    set_lines ("leftbottom", "+");
+    set_lines ("rightbottom", "+");
+    set_lines ("topmiddle", "-");
+    set_lines ("bottommiddle", "-");
+    set_lines ("leftmiddle", "|");
+    set_lines ("rightmiddle", "|");
+    set_lines ("cross", "+");
+
+    /* double lines */
+    set_lines ("dvert", "|");
+    set_lines ("dhoriz", "-");
+    set_lines ("dlefttop", "+");
+    set_lines ("drighttop", "+");
+    set_lines ("dleftbottom", "+");
+    set_lines ("drightbottom", "+");
+    set_lines ("dtopmiddle", "-");
+    set_lines ("dbottommiddle", "-");
+    set_lines ("dleftmiddle", "|");
+    set_lines ("drightmiddle", "|");
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/ini-file.c b/lib/skin/ini-file.c
new file mode 100644
index 0000000..6d92435
--- /dev/null
+++ b/lib/skin/ini-file.c
@@ -0,0 +1,210 @@
+/*
+   Skins engine.
+   Reading and parse ini-files
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+
+#include "lib/global.h"         /* <glib.h> */
+
+#include "internal.h"
+#include "lib/fileloc.h"
+#include "lib/util.h"           /* exist_file() */
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_get_list_from_dir (const gchar * base_dir, GPtrArray * list)
+{
+    gchar *name;
+    GDir *dir;
+
+    name = g_build_filename (base_dir, MC_SKINS_DIR, (char *) NULL);
+    dir = g_dir_open (name, 0, NULL);
+    g_free (name);
+
+    if (dir != NULL)
+    {
+        const gchar *cname;
+
+        while ((cname = g_dir_read_name (dir)) != NULL)
+        {
+            gchar *sname;
+            size_t slen;
+            unsigned int i;
+
+            slen = strlen (cname);
+            sname = g_strndup (cname, slen);
+
+            if (slen > 4 && strcmp (sname + slen - 4, ".ini") == 0)
+                sname[slen - 4] = '\0';
+
+            for (i = 0; i < list->len; i++)
+                if (strcmp (sname, g_ptr_array_index (list, i)) == 0)
+                    break;
+
+            if (i < list->len)
+                g_free (sname);
+            else
+                g_ptr_array_add (list, sname);
+        }
+
+        g_dir_close (dir);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+string_array_comparator (gconstpointer a, gconstpointer b)
+{
+    return strcmp (*(char *const *) a, *(char *const *) b);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static gboolean
+mc_skin_ini_file_load_search_in_dir (mc_skin_t * mc_skin, const gchar * base_dir)
+{
+    char *file_name, *file_name2;
+
+    file_name = g_build_filename (base_dir, MC_SKINS_DIR, mc_skin->name, (char *) NULL);
+    if (exist_file (file_name))
+    {
+        mc_skin->config = mc_config_init (file_name, TRUE);
+        g_free (file_name);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+
+    file_name2 = g_strdup_printf ("%s.ini", mc_skin->name);
+    file_name = g_build_filename (base_dir, MC_SKINS_DIR, file_name2, (char *) NULL);
+    g_free (file_name2);
+
+    if (exist_file (file_name))
+    {
+        mc_skin->config = mc_config_init (file_name, TRUE);
+        g_free (file_name);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+    return FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+GPtrArray *
+mc_skin_list (void)
+{
+    GPtrArray *list;
+
+    list = g_ptr_array_new_with_free_func (g_free);
+    mc_skin_get_list_from_dir (mc_config_get_data_path (), list);
+    mc_skin_get_list_from_dir (mc_global.sysconfig_dir, list);
+    mc_skin_get_list_from_dir (mc_global.share_data_dir, list);
+    g_ptr_array_sort (list, (GCompareFunc) string_array_comparator);
+
+    return list;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_ini_file_load (mc_skin_t * mc_skin)
+{
+    char *file_name;
+
+    file_name = g_path_get_basename (mc_skin->name);
+    if (file_name == NULL)
+        return FALSE;
+
+    if (strcmp (file_name, mc_skin->name) != 0)
+    {
+        g_free (file_name);
+        if (!g_path_is_absolute (mc_skin->name))
+            return FALSE;
+        mc_skin->config = mc_config_init (mc_skin->name, TRUE);
+        return (mc_skin->config != NULL);
+    }
+    g_free (file_name);
+
+    /* ${XDG_DATA_HOME}/mc/skins/ */
+    if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_config_get_data_path ()))
+        return TRUE;
+
+    /* /etc/mc/skins/ */
+    if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.sysconfig_dir))
+        return TRUE;
+
+    /* /usr/share/mc/skins/ */
+    return mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.share_data_dir);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_ini_file_parse (mc_skin_t * mc_skin)
+{
+    mc_skin->description =
+        mc_config_get_string (mc_skin->config, "skin", "description", "- no description -");
+    if (!mc_skin_color_parse_ini_file (mc_skin))
+        return FALSE;
+
+    mc_skin_lines_parse_ini_file (mc_skin);
+    mc_skin->have_256_colors = mc_config_get_bool (mc_skin->config, "skin", "256colors", FALSE);
+    mc_skin->have_true_colors = mc_config_get_bool (mc_skin->config, "skin", "truecolors", FALSE);
+
+    return TRUE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_set_hardcoded_skin (mc_skin_t * mc_skin)
+{
+    mc_skin->config = mc_config_init (NULL, TRUE);
+
+    mc_config_set_string (mc_skin->config, "skin", "description", "hardcoded skin");
+
+    mc_skin_hardcoded_ugly_lines (mc_skin);
+    mc_skin_hardcoded_blackwhite_colors (mc_skin);
+}
+
+/* --------------------------------------------------------------------------------------------- */
diff --git a/lib/skin/internal.h b/lib/skin/internal.h
new file mode 100644
index 0000000..8b468db
--- /dev/null
+++ b/lib/skin/internal.h
@@ -0,0 +1,40 @@
+#ifndef MC__SKIN_INTERNAL_H
+#define MC__SKIN_INTERNAL_H
+
+#include "lib/global.h"
+#include "lib/skin.h"
+
+/*** typedefs(not structures) and defined constants **********************************************/
+
+/*** enums ***************************************************************************************/
+
+/*** structures declarations (and typedefs of structures)*****************************************/
+
+typedef struct mc_skin_color_struct
+{
+    gchar *fgcolor;
+    gchar *bgcolor;
+    gchar *attrs;
+    int pair_index;
+} mc_skin_color_t;
+
+/*** global variables defined in .c file *********************************************************/
+
+/*** declarations of public functions ************************************************************/
+
+gboolean mc_skin_ini_file_load (mc_skin_t * mc_skin);
+gboolean mc_skin_ini_file_parse (mc_skin_t * mc_skin);
+void mc_skin_set_hardcoded_skin (mc_skin_t * mc_skin);
+
+gboolean mc_skin_ini_file_parse_colors (mc_skin_t * mc_skin);
+gboolean mc_skin_color_parse_ini_file (mc_skin_t * mc_skin);
+
+void mc_skin_hardcoded_ugly_lines (mc_skin_t * mc_skin);
+void mc_skin_hardcoded_space_lines (mc_skin_t * mc_skin);
+void mc_skin_hardcoded_blackwhite_colors (mc_skin_t * mc_skin);
+
+void mc_skin_colors_old_configure (mc_skin_t * mc_skin);
+
+/*** inline functions ****************************************************************************/
+
+#endif /* MC__SKIN_INTERNAL_H */
diff --git a/lib/skin/lines.c b/lib/skin/lines.c
new file mode 100644
index 0000000..90cc028
--- /dev/null
+++ b/lib/skin/lines.c
@@ -0,0 +1,100 @@
+/*
+   Skins engine.
+   Work with line draving chars.
+
+   Copyright (C) 2009-2023
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009.
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+#include "internal.h"
+#include "lib/tty/tty.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static int
+mc_skin_lines_load_frm (mc_skin_t * mc_skin, const char *name)
+{
+    int ret;
+    char *frm_val;
+
+    frm_val = mc_config_get_string_raw (mc_skin->config, "Lines", name, " ");
+    ret = mc_tty_normalize_lines_char (frm_val);
+    g_free (frm_val);
+
+    return ret;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_lines_parse_ini_file (mc_skin_t * mc_skin)
+{
+    if (mc_global.tty.slow_terminal)
+        mc_skin_hardcoded_space_lines (mc_skin);
+    else if (mc_global.tty.ugly_line_drawing)
+        mc_skin_hardcoded_ugly_lines (mc_skin);
+    else
+    {
+        /* single lines */
+        mc_tty_frm[MC_TTY_FRM_VERT] = mc_skin_lines_load_frm (mc_skin, "vert");
+        mc_tty_frm[MC_TTY_FRM_HORIZ] = mc_skin_lines_load_frm (mc_skin, "horiz");
+        mc_tty_frm[MC_TTY_FRM_LEFTTOP] = mc_skin_lines_load_frm (mc_skin, "lefttop");
+        mc_tty_frm[MC_TTY_FRM_RIGHTTOP] = mc_skin_lines_load_frm (mc_skin, "righttop");
+        mc_tty_frm[MC_TTY_FRM_LEFTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "leftbottom");
+        mc_tty_frm[MC_TTY_FRM_RIGHTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "rightbottom");
+        mc_tty_frm[MC_TTY_FRM_TOPMIDDLE] = mc_skin_lines_load_frm (mc_skin, "topmiddle");
+        mc_tty_frm[MC_TTY_FRM_BOTTOMMIDDLE] = mc_skin_lines_load_frm (mc_skin, "bottommiddle");
+        mc_tty_frm[MC_TTY_FRM_LEFTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "leftmiddle");
+        mc_tty_frm[MC_TTY_FRM_RIGHTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "rightmiddle");
+        mc_tty_frm[MC_TTY_FRM_CROSS] = mc_skin_lines_load_frm (mc_skin, "cross");
+
+        /* double lines */
+        mc_tty_frm[MC_TTY_FRM_DVERT] = mc_skin_lines_load_frm (mc_skin, "dvert");
+        mc_tty_frm[MC_TTY_FRM_DHORIZ] = mc_skin_lines_load_frm (mc_skin, "dhoriz");
+        mc_tty_frm[MC_TTY_FRM_DLEFTTOP] = mc_skin_lines_load_frm (mc_skin, "dlefttop");
+        mc_tty_frm[MC_TTY_FRM_DRIGHTTOP] = mc_skin_lines_load_frm (mc_skin, "drighttop");
+        mc_tty_frm[MC_TTY_FRM_DLEFTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "dleftbottom");
+        mc_tty_frm[MC_TTY_FRM_DRIGHTBOTTOM] = mc_skin_lines_load_frm (mc_skin, "drightbottom");
+        mc_tty_frm[MC_TTY_FRM_DTOPMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dtopmiddle");
+        mc_tty_frm[MC_TTY_FRM_DBOTTOMMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dbottommiddle");
+        mc_tty_frm[MC_TTY_FRM_DLEFTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "dleftmiddle");
+        mc_tty_frm[MC_TTY_FRM_DRIGHTMIDDLE] = mc_skin_lines_load_frm (mc_skin, "drightmiddle");
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */