File gtk2-gtkicontheme-autoupdate.patch of Package gtk2

? gtk2-gtkicontheme-autoupdate.patch
================================================================================
--- gtk/gtkicontheme.c
+++ gtk/gtkicontheme.c
@@ -230,6 +230,9 @@
 
 static GHashTable *icon_theme_builtin_icons;
 
+static int     update_themes_callback_id;
+static GSList *update_themes_list;
+
 /* also used in gtkiconfactory.c */
 GtkIconCache *_builtin_cache = NULL;
 static GList *builtin_dirs = NULL;
@@ -255,6 +258,23 @@
   return g_object_new (GTK_TYPE_ICON_THEME, NULL);
 }
 
+static gboolean
+update_themes_callback (gpointer user_data)
+{
+  GSList *iterator;
+  for (iterator = update_themes_list; iterator; iterator = iterator->next)
+    {
+      GtkIconTheme *icon_theme = iterator->data;
+      GtkIconThemePrivate *priv = icon_theme->priv;
+      
+      if (priv->themes_valid)
+	{
+	  gtk_icon_theme_rescan_if_needed (icon_theme);
+	}
+    }
+  return TRUE;
+}
+
 /**
  * gtk_icon_theme_get_default:
  * 
@@ -569,6 +589,11 @@
   priv->unthemed_icons = NULL;
   
   priv->pixbuf_supports_svg = pixbuf_supports_svg ();
+
+  update_themes_list = g_slist_prepend (update_themes_list, icon_theme);
+  if (update_themes_callback_id == 0) {
+    update_themes_callback_id = g_timeout_add (30 * 1000, update_themes_callback, NULL);
+  }
 }
 
 static void
@@ -652,6 +677,13 @@
   icon_theme = GTK_ICON_THEME (object);
   priv = icon_theme->priv;
 
+  update_themes_list = g_slist_remove (update_themes_list, icon_theme);
+  if (update_themes_list == NULL)
+    {
+      g_source_remove (update_themes_callback_id);
+      update_themes_callback_id = 0;
+    }
+
   if (priv->reset_styles_idle)
     {
       g_source_remove (priv->reset_styles_idle);