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-rw-r--r--app/gui/icon-themes.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/app/gui/icon-themes.c b/app/gui/icon-themes.c
new file mode 100644
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--- /dev/null
+++ b/app/gui/icon-themes.c
@@ -0,0 +1,250 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * icon-themes.c
+ * Copyright (C) 2015 Benoit Touchette
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "gui-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimp.h"
+
+#include "icon-themes.h"
+
+#include "gimp-intl.h"
+
+
+static void icons_apply_theme (Gimp *gimp,
+ const gchar *icon_theme_name);
+static void icons_list_icons_foreach (gpointer key,
+ gpointer value,
+ gpointer data);
+static gint icons_name_compare (const void *p1,
+ const void *p2);
+static void icons_theme_change_notify (GimpGuiConfig *config,
+ GParamSpec *pspec,
+ Gimp *gimp);
+
+
+static GHashTable *icon_themes_hash = NULL;
+
+
+void
+icon_themes_init (Gimp *gimp)
+{
+ GimpGuiConfig *config;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ config = GIMP_GUI_CONFIG (gimp->config);
+
+ icon_themes_hash = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ g_object_unref);
+
+ if (config->icon_theme_path)
+ {
+ GList *path;
+ GList *list;
+
+ path = gimp_config_path_expand_to_files (config->icon_theme_path, NULL);
+
+ for (list = path; list; list = g_list_next (list))
+ {
+ GFile *dir = list->data;
+ GFileEnumerator *enumerator;
+
+ enumerator =
+ g_file_enumerate_children (dir,
+ G_FILE_ATTRIBUTE_STANDARD_NAME ","
+ G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN ","
+ G_FILE_ATTRIBUTE_STANDARD_TYPE,
+ G_FILE_QUERY_INFO_NONE,
+ NULL, NULL);
+
+ if (enumerator)
+ {
+ GFileInfo *info;
+
+ while ((info = g_file_enumerator_next_file (enumerator,
+ NULL, NULL)))
+ {
+ if (! g_file_info_get_is_hidden (info) &&
+ g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+ {
+ GFile *file;
+ GFile *index_theme;
+
+ file = g_file_enumerator_get_child (enumerator, info);
+
+ /* make sure there is a hicolor/index.theme file */
+ index_theme = g_file_get_child (file, "index.theme");
+
+ if (g_file_query_exists (index_theme, NULL))
+ {
+ const gchar *name;
+ gchar *basename;
+
+ name = gimp_file_get_utf8_name (file);
+ basename = g_path_get_basename (name);
+
+ if (strcmp ("hicolor", basename))
+ {
+ if (gimp->be_verbose)
+ g_print ("Adding icon theme '%s' (%s)\n",
+ basename, name);
+
+ g_hash_table_insert (icon_themes_hash, basename,
+ g_object_ref (file));
+ }
+ else
+ {
+ g_free (basename);
+ }
+ }
+
+ g_object_unref (index_theme);
+ g_object_unref (file);
+ }
+
+ g_object_unref (info);
+ }
+
+ g_object_unref (enumerator);
+ }
+ }
+
+ g_list_free_full (path, (GDestroyNotify) g_object_unref);
+ }
+
+ g_signal_connect (config, "notify::icon-theme",
+ G_CALLBACK (icons_theme_change_notify),
+ gimp);
+
+ icons_theme_change_notify (config, NULL, gimp);
+}
+
+void
+icon_themes_exit (Gimp *gimp)
+{
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ if (icon_themes_hash)
+ {
+ g_signal_handlers_disconnect_by_func (gimp->config,
+ icons_theme_change_notify,
+ gimp);
+
+ g_hash_table_destroy (icon_themes_hash);
+ icon_themes_hash = NULL;
+ }
+}
+
+gchar **
+icon_themes_list_themes (Gimp *gimp,
+ gint *n_icon_themes)
+{
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+ g_return_val_if_fail (n_icon_themes != NULL, NULL);
+
+ *n_icon_themes = g_hash_table_size (icon_themes_hash);
+
+ if (*n_icon_themes > 0)
+ {
+ gchar **icon_themes;
+ gchar **index;
+
+ icon_themes = g_new0 (gchar *, *n_icon_themes + 1);
+
+ index = icon_themes;
+
+ g_hash_table_foreach (icon_themes_hash, icons_list_icons_foreach, &index);
+
+ qsort (icon_themes, *n_icon_themes, sizeof (gchar *), icons_name_compare);
+
+ return icon_themes;
+ }
+
+ return NULL;
+}
+
+GFile *
+icon_themes_get_theme_dir (Gimp *gimp,
+ const gchar *icon_theme_name)
+{
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ if (! icon_theme_name)
+ icon_theme_name = GIMP_CONFIG_DEFAULT_ICON_THEME;
+
+ return g_hash_table_lookup (icon_themes_hash, icon_theme_name);
+}
+
+static void
+icons_apply_theme (Gimp *gimp,
+ const gchar *icon_theme_name)
+{
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ if (! icon_theme_name)
+ icon_theme_name = GIMP_CONFIG_DEFAULT_ICON_THEME;
+
+ if (gimp->be_verbose)
+ g_print ("Loading icon theme '%s'\n", icon_theme_name);
+
+ gimp_icons_set_icon_theme (icon_themes_get_theme_dir (gimp, icon_theme_name));
+}
+
+static void
+icons_list_icons_foreach (gpointer key,
+ gpointer value,
+ gpointer data)
+{
+ gchar ***index = data;
+
+ **index = g_strdup ((gchar *) key);
+
+ (*index)++;
+}
+
+static gint
+icons_name_compare (const void *p1,
+ const void *p2)
+{
+ return strcmp (* (char **) p1, * (char **) p2);
+}
+
+static void
+icons_theme_change_notify (GimpGuiConfig *config,
+ GParamSpec *pspec,
+ Gimp *gimp)
+{
+ icons_apply_theme (gimp, config->icon_theme);
+}