Adding upstream version 3.38.2.upstream/3.38.2upstream

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

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;
+}