+static GAction *
+g_simple_action_group_lookup_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+
+ return g_hash_table_lookup (simple->priv->table, action_name);
+}
+
+static void
+g_simple_action_group_add_action (GActionMap *action_map,
+ GAction *action)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+ const gchar *action_name;
+ GAction *old_action;
+
+ action_name = g_action_get_name (action);
+ old_action = g_hash_table_lookup (simple->priv->table, action_name);
+
+ if (old_action != action)
+ {
+ if (old_action != NULL)
+ {
+ g_action_group_action_removed (G_ACTION_GROUP (simple),
+ action_name);
+ g_simple_action_group_disconnect (NULL, old_action, simple);
+ }
+
+ g_signal_connect (action, "notify::enabled",
+ G_CALLBACK (action_enabled_notify), simple);
+
+ if (g_action_get_state_type (action) != NULL)
+ g_signal_connect (action, "notify::state",
+ G_CALLBACK (action_state_notify), simple);
+
+ g_hash_table_insert (simple->priv->table,
+ g_strdup (action_name),
+ g_object_ref (action));
+
+ g_action_group_action_added (G_ACTION_GROUP (simple), action_name);
+ }
+}
+
+static void
+g_simple_action_group_remove_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+ GAction *action;
+
+ action = g_hash_table_lookup (simple->priv->table, action_name);
+
+ if (action != NULL)
+ {
+ g_action_group_action_removed (G_ACTION_GROUP (simple), action_name);
+ g_simple_action_group_disconnect (NULL, action, simple);
+ g_hash_table_remove (simple->priv->table, action_name);
+ }
+}
+