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

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

1 files changed, 209 insertions, 0 deletions

diff --git a/lib/skin/common.c b/lib/skin/common.c
new file mode 100644
index 0000000..abcd110
--- /dev/null
+++ b/lib/skin/common.c
@@ -0,0 +1,209 @@
+/*
+   Skins engine.
+   Interface functions
+
+   Copyright (C) 2009-2022
+   Free Software Foundation, Inc.
+
+   Written by:
+   Slava Zanko <slavazanko@gmail.com>, 2009
+   Egmont Koblinger <egmont@gmail.com>, 2010
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+#include "internal.h"
+#include "lib/util.h"
+
+#include "lib/tty/color.h"      /* tty_use_256colors(); */
+
+/*** global variables ****************************************************************************/
+
+mc_skin_t mc_skin__default;
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** file scope variables ************************************************************************/
+
+static gboolean mc_skin_is_init = FALSE;
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_hash_destroy_value (gpointer data)
+{
+    mc_skin_color_t *mc_skin_color = (mc_skin_color_t *) data;
+    g_free (mc_skin_color->fgcolor);
+    g_free (mc_skin_color->bgcolor);
+    g_free (mc_skin_color->attrs);
+    g_free (mc_skin_color);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static char *
+mc_skin_get_default_name (void)
+{
+    char *tmp_str;
+
+    /* from command line */
+    if (mc_global.tty.skin != NULL)
+        return g_strdup (mc_global.tty.skin);
+
+    /* from envirovement variable */
+    tmp_str = getenv ("MC_SKIN");
+    if (tmp_str != NULL)
+        return g_strdup (tmp_str);
+
+    /*  from config. Or 'default' if no present in config */
+    return mc_config_get_string (mc_global.main_config, CONFIG_APP_SECTION, "skin", "default");
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_reinit (void)
+{
+    mc_skin_deinit ();
+    mc_skin__default.name = mc_skin_get_default_name ();
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+mc_skin_try_to_load_default (void)
+{
+    mc_skin_reinit ();
+    g_free (mc_skin__default.name);
+    mc_skin__default.name = g_strdup ("default");
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_skin_reinit ();
+        mc_skin_set_hardcoded_skin (&mc_skin__default);
+    }
+
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+gboolean
+mc_skin_init (const gchar * skin_override, GError ** mcerror)
+{
+    gboolean is_good_init = TRUE;
+    GError *error = NULL;
+
+    mc_return_val_if_error (mcerror, FALSE);
+
+    mc_skin__default.have_256_colors = FALSE;
+    mc_skin__default.have_true_colors = FALSE;
+
+    mc_skin__default.name =
+        skin_override != NULL ? g_strdup (skin_override) : mc_skin_get_default_name ();
+
+    mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
+                                                     g_free, mc_skin_hash_destroy_value);
+    if (!mc_skin_ini_file_load (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to load '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        is_good_init = FALSE;
+    }
+    mc_skin_colors_old_configure (&mc_skin__default);
+
+    if (!mc_skin_ini_file_parse (&mc_skin__default))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _("Unable to parse '%s' skin.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_true_colors && !tty_use_truecolors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with true colors support:\n%s\nDefault skin has been loaded"),
+                            mc_skin__default.name, error->message);
+        g_error_free (error);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    if (is_good_init && mc_skin__default.have_256_colors && !tty_use_256colors (&error))
+    {
+        mc_propagate_error (mcerror, 0,
+                            _
+                            ("Unable to use '%s' skin with 256 colors support\non non-256 colors terminal.\nDefault skin has been loaded"),
+                            mc_skin__default.name);
+        mc_skin_try_to_load_default ();
+        mc_skin_colors_old_configure (&mc_skin__default);
+        (void) mc_skin_ini_file_parse (&mc_skin__default);
+        is_good_init = FALSE;
+    }
+    mc_skin_is_init = TRUE;
+    return is_good_init;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+mc_skin_deinit (void)
+{
+    tty_color_free_all_tmp ();
+    tty_color_free_all_non_tmp ();
+
+    MC_PTR_FREE (mc_skin__default.name);
+    g_hash_table_destroy (mc_skin__default.colors);
+    mc_skin__default.colors = NULL;
+
+    MC_PTR_FREE (mc_skin__default.description);
+
+    mc_config_deinit (mc_skin__default.config);
+    mc_skin__default.config = NULL;
+
+    mc_skin_is_init = FALSE;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+gchar *
+mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value)
+{
+    if (mc_global.tty.ugly_line_drawing)
+    {
+        return g_strdup (default_value);
+    }
+    return mc_config_get_string (mc_skin__default.config, group, key, default_value);
+}
+
+/* --------------------------------------------------------------------------------------------- */