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-rw-r--r--plugins/xsettings/gsd-xsettings-gtk.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/plugins/xsettings/gsd-xsettings-gtk.c b/plugins/xsettings/gsd-xsettings-gtk.c
new file mode 100644
index 0000000..40baf41
--- /dev/null
+++ b/plugins/xsettings/gsd-xsettings-gtk.c
@@ -0,0 +1,384 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <glib/gi18n-lib.h>
+#include <gio/gio.h>
+
+#include "gsd-xsettings-gtk.h"
+
+#define XSETTINGS_PLUGIN_SCHEMA "org.gnome.settings-daemon.plugins.xsettings"
+
+#define GTK_MODULES_DISABLED_KEY "disabled-gtk-modules"
+#define GTK_MODULES_ENABLED_KEY "enabled-gtk-modules"
+
+static const char *modules_path = NULL;
+
+enum {
+ PROP_0,
+ PROP_GTK_MODULES
+};
+
+struct _GsdXSettingsGtk {
+ GObject parent;
+
+ char *modules;
+ GHashTable *dir_modules;
+
+ GSettings *settings;
+
+ guint64 dir_mtime;
+ GFileMonitor *monitor;
+ GList *cond_settings;
+};
+
+G_DEFINE_TYPE(GsdXSettingsGtk, gsd_xsettings_gtk, G_TYPE_OBJECT)
+
+static void update_gtk_modules (GsdXSettingsGtk *gtk);
+
+static void
+empty_cond_settings_list (GsdXSettingsGtk *gtk)
+{
+ if (gtk->cond_settings == NULL)
+ return;
+
+ /* Empty the list of settings */
+ g_list_foreach (gtk->cond_settings, (GFunc) g_object_unref, NULL);
+ g_list_free (gtk->cond_settings);
+ gtk->cond_settings = NULL;
+}
+
+static void
+cond_setting_changed (GSettings *settings,
+ const char *key,
+ GsdXSettingsGtk *gtk)
+{
+ gboolean enabled;
+ const char *module_name;
+
+ module_name = g_object_get_data (G_OBJECT (settings), "module-name");
+
+ enabled = g_settings_get_boolean (settings, key);
+ if (enabled != FALSE) {
+ if (gtk->dir_modules == NULL)
+ gtk->dir_modules = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ g_hash_table_insert (gtk->dir_modules, g_strdup (module_name), NULL);
+ } else if (gtk->dir_modules != NULL) {
+ g_hash_table_remove (gtk->dir_modules, module_name);
+ }
+
+ update_gtk_modules (gtk);
+}
+
+static char *
+process_desktop_file (const char *path,
+ GsdXSettingsGtk *gtk)
+{
+ GKeyFile *keyfile;
+ char *retval;
+ char *module_name;
+
+ retval = NULL;
+
+ if (g_str_has_suffix (path, ".desktop") == FALSE &&
+ g_str_has_suffix (path, ".gtk-module") == FALSE)
+ return retval;
+
+ keyfile = g_key_file_new ();
+ if (g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, NULL) == FALSE)
+ goto bail;
+
+ if (g_key_file_has_group (keyfile, "GTK Module") == FALSE)
+ goto bail;
+
+ module_name = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Name", NULL);
+ if (module_name == NULL)
+ goto bail;
+
+ if (g_key_file_has_key (keyfile, "GTK Module", "X-GTK-Module-Enabled-Schema", NULL) != FALSE) {
+ char *schema;
+ char *key;
+ gboolean enabled;
+ GSettings *settings;
+ char *signal;
+
+ schema = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Enabled-Schema", NULL);
+ key = g_key_file_get_string (keyfile, "GTK Module", "X-GTK-Module-Enabled-Key", NULL);
+
+ settings = g_settings_new (schema);
+
+ gtk->cond_settings = g_list_prepend (gtk->cond_settings, settings);
+
+ g_object_set_data_full (G_OBJECT (settings), "module-name", g_strdup (module_name), (GDestroyNotify) g_free);
+
+ signal = g_strdup_printf ("changed::%s", key);
+ g_signal_connect_object (G_OBJECT (settings), signal, G_CALLBACK (cond_setting_changed), gtk, 0);
+ enabled = g_settings_get_boolean (settings, key);
+ g_free (signal);
+ g_free (schema);
+ g_free (key);
+
+ if (enabled != FALSE)
+ retval = g_strdup (module_name);
+ } else {
+ retval = g_strdup (module_name);
+ }
+
+ g_free (module_name);
+
+bail:
+ g_key_file_free (keyfile);
+ return retval;
+}
+
+static void
+get_gtk_modules_from_dir (GsdXSettingsGtk *gtk)
+{
+ GFile *file;
+ GFileInfo *info;
+ GHashTable *ht;
+
+ file = g_file_new_for_path (modules_path);
+ info = g_file_query_info (file,
+ G_FILE_ATTRIBUTE_TIME_MODIFIED,
+ G_FILE_QUERY_INFO_NONE,
+ NULL,
+ NULL);
+ if (info != NULL) {
+ guint64 dir_mtime;
+
+ dir_mtime = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_TIME_MODIFIED);
+ if (gtk->dir_mtime == 0 ||
+ dir_mtime > gtk->dir_mtime) {
+ GDir *dir;
+ const char *name;
+
+ empty_cond_settings_list (gtk);
+
+ gtk->dir_mtime = dir_mtime;
+
+ if (gtk->dir_modules != NULL) {
+ g_hash_table_destroy (gtk->dir_modules);
+ gtk->dir_modules = NULL;
+ }
+
+ dir = g_dir_open (modules_path, 0, NULL);
+ if (dir == NULL)
+ goto bail;
+
+ ht = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+ while ((name = g_dir_read_name (dir)) != NULL) {
+ char *path;
+ char *module;
+
+ path = g_build_filename (modules_path, name, NULL);
+ module = process_desktop_file (path, gtk);
+ if (module != NULL)
+ g_hash_table_insert (ht, module, NULL);
+ g_free (path);
+ }
+ g_dir_close (dir);
+
+ gtk->dir_modules = ht;
+ }
+ g_object_unref (info);
+ } else {
+ empty_cond_settings_list (gtk);
+ }
+
+bail:
+ g_object_unref (file);
+}
+
+static void
+stringify_gtk_modules (gpointer key,
+ gpointer value,
+ GString *str)
+{
+ if (str->len != 0)
+ g_string_append_c (str, ':');
+ g_string_append (str, key);
+}
+
+static void
+update_gtk_modules (GsdXSettingsGtk *gtk)
+{
+ char **enabled, **disabled;
+ GHashTable *ht;
+ guint i;
+ GString *str;
+ char *modules;
+
+ enabled = g_settings_get_strv (gtk->settings, GTK_MODULES_ENABLED_KEY);
+ disabled = g_settings_get_strv (gtk->settings, GTK_MODULES_DISABLED_KEY);
+
+ ht = g_hash_table_new (g_str_hash, g_str_equal);
+
+ if (gtk->dir_modules != NULL) {
+ GList *list, *l;
+
+ list = g_hash_table_get_keys (gtk->dir_modules);
+ for (l = list; l != NULL; l = l->next) {
+ g_hash_table_insert (ht, l->data, NULL);
+ }
+ g_list_free (list);
+ }
+
+ for (i = 0; enabled[i] != NULL; i++)
+ g_hash_table_insert (ht, enabled[i], NULL);
+
+ for (i = 0; disabled[i] != NULL; i++)
+ g_hash_table_remove (ht, disabled[i]);
+
+ str = g_string_new (NULL);
+ g_hash_table_foreach (ht, (GHFunc) stringify_gtk_modules, str);
+ g_hash_table_destroy (ht);
+
+ modules = g_string_free (str, FALSE);
+
+ if (modules == NULL ||
+ gtk->modules == NULL ||
+ g_str_equal (modules, gtk->modules) == FALSE) {
+ g_free (gtk->modules);
+ gtk->modules = modules;
+ g_object_notify (G_OBJECT (gtk), "gtk-modules");
+ } else {
+ g_free (modules);
+ }
+
+ g_strfreev (enabled);
+ g_strfreev (disabled);
+}
+
+static void
+gtk_modules_dir_changed_cb (GFileMonitor *monitor,
+ GFile *file,
+ GFile *other_file,
+ GFileMonitorEvent event_type,
+ GsdXSettingsGtk *gtk)
+{
+ get_gtk_modules_from_dir (gtk);
+ update_gtk_modules (gtk);
+}
+
+static void
+gsd_xsettings_gtk_init (GsdXSettingsGtk *gtk)
+{
+ GFile *file;
+
+ g_debug ("GsdXSettingsGtk initializing");
+
+ gtk->settings = g_settings_new (XSETTINGS_PLUGIN_SCHEMA);
+
+ modules_path = g_getenv ("GSD_gtk_modules_dir");
+ if (modules_path == NULL)
+ modules_path = GTK_MODULES_DIRECTORY;
+
+ get_gtk_modules_from_dir (gtk);
+
+ file = g_file_new_for_path (modules_path);
+ gtk->monitor = g_file_monitor (file,
+ G_FILE_MONITOR_NONE,
+ NULL,
+ NULL);
+ g_signal_connect (G_OBJECT (gtk->monitor), "changed",
+ G_CALLBACK (gtk_modules_dir_changed_cb), gtk);
+ g_object_unref (file);
+
+ update_gtk_modules (gtk);
+}
+
+static void
+gsd_xsettings_gtk_finalize (GObject *object)
+{
+ GsdXSettingsGtk *gtk;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GSD_IS_XSETTINGS_GTK (object));
+
+ g_debug ("GsdXSettingsGtk finalizing");
+
+ gtk = GSD_XSETTINGS_GTK (object);
+
+ g_return_if_fail (gtk != NULL);
+
+ g_free (gtk->modules);
+ gtk->modules = NULL;
+
+ if (gtk->dir_modules != NULL) {
+ g_hash_table_destroy (gtk->dir_modules);
+ gtk->dir_modules = NULL;
+ }
+
+ g_object_unref (gtk->settings);
+
+ if (gtk->monitor != NULL)
+ g_object_unref (gtk->monitor);
+
+ empty_cond_settings_list (gtk);
+
+ G_OBJECT_CLASS (gsd_xsettings_gtk_parent_class)->finalize (object);
+}
+
+static void
+gsd_xsettings_gtk_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GsdXSettingsGtk *self;
+
+ self = GSD_XSETTINGS_GTK (object);
+
+ switch (prop_id) {
+ case PROP_GTK_MODULES:
+ g_value_set_string (value, self->modules);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gsd_xsettings_gtk_class_init (GsdXSettingsGtkClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = gsd_xsettings_gtk_get_property;
+ object_class->finalize = gsd_xsettings_gtk_finalize;
+
+ g_object_class_install_property (object_class, PROP_GTK_MODULES,
+ g_param_spec_string ("gtk-modules", NULL, NULL,
+ NULL, G_PARAM_READABLE));
+}
+
+GsdXSettingsGtk *
+gsd_xsettings_gtk_new (void)
+{
+ return GSD_XSETTINGS_GTK (g_object_new (GSD_TYPE_XSETTINGS_GTK, NULL));
+}
+
+const char *
+gsd_xsettings_gtk_get_modules (GsdXSettingsGtk *gtk)
+{
+ return gtk->modules;
+}