Add api to ibus for retreiving unused config values.

gconf/config.c

 /* vim:set et sts=4: */
 
 #include <string.h>
 #include <ibus.h>
 #include "config.h"
 
 #define GCONF_PREFIX "/desktop/ibus"
 
 /* functions prototype */
 static void             ibus_config_gconf_class_init    (IBusConfigGConfClass   *klass);
 static void             ibus_config_gconf_init              (IBusConfigGConf            *config);
 static void             ibus_config_gconf_destroy               (IBusConfigGConf                *config);
 static gboolean     ibus_config_gconf_set_value     (IBusConfigService      *config,
                                                      const gchar            *section,
                                                      const gchar            *name,
                                                      const GValue           *value,
                                                      IBusError             **error);
 static gboolean     ibus_config_gconf_get_value     (IBusConfigService      *config,
                                                      const gchar            *section,
                                                      const gchar            *name,
                                                      GValue                 *value,
                                                      IBusError             **error);
 static gboolean     ibus_config_gconf_unset     (IBusConfigService      *config,
                                                  const gchar            *section,
                                                  const gchar            *name,
                                                  IBusError             **error);
+static gboolean     ibus_config_gconf_get_unused    (IBusConfigService      *config,
+                                                     GValue                 *unread,
+                                                     GValue                 *unwritten,
+                                                     IBusError             **error);
 
 static GConfValue   *_to_gconf_value                (const GValue           *value);
 static void          _from_gconf_value              (GValue                 *value,
                                                      const GConfValue       *gvalue);
 
 static IBusConfigServiceClass *parent_class = NULL;
 
 GType
 ibus_config_gconf_get_type (void)
 {
@@ skipping 25 matching lines @@
 ibus_config_gconf_class_init (IBusConfigGConfClass *klass)
 {
     GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
     parent_class = (IBusConfigServiceClass *) g_type_class_peek_parent (klass);
 
         IBUS_OBJECT_CLASS (object_class)->destroy = (IBusObjectDestroyFunc) ibus_config_gconf_destroy;
     IBUS_CONFIG_SERVICE_CLASS (object_class)->set_value = ibus_config_gconf_set_value;
     IBUS_CONFIG_SERVICE_CLASS (object_class)->get_value = ibus_config_gconf_get_value;
     IBUS_CONFIG_SERVICE_CLASS (object_class)->unset = ibus_config_gconf_unset;
+    IBUS_CONFIG_SERVICE_CLASS (object_class)->get_unused = ibus_config_gconf_get_unused;
 }
 
 static void
 _value_changed_cb (GConfClient     *client,
                    const gchar     *key,
                    GConfValue      *value,
                    IBusConfigGConf *config)
 {
     gchar *p, *section, *name;
     GValue v =  { 0 };
@@ skipping 242 matching lines @@
         if (error) {
             *error = ibus_error_new_from_text (DBUS_ERROR_FAILED, gerror->message);
             g_error_free (gerror);
         }
         return FALSE;
     }
 
     return TRUE;
 }
 
+static gboolean
+ibus_config_gconf_get_unused (IBusConfigService      *config,
+                              GValue                 *unread,
+                              GValue                 *unwritten,
+                              IBusError             **error) {
+  *error = ibus_error_new_from_printf(
+      DBUS_ERROR_FAILED, "get_unused: Not implemented.");
+  return FALSE;
+}
+
 IBusConfigGConf *
 ibus_config_gconf_new (IBusConnection *connection)
 {
     IBusConfigGConf *config;
 
     config = (IBusConfigGConf *) g_object_new (IBUS_TYPE_CONFIG_GCONF,
                                                "path", IBUS_PATH_CONFIG,
                                                "connection", connection,
                                                NULL);
     return config;
 }