stacking_list */
void stacking_set_list();
-#define stacking_add(win) stacking_list = g_list_append(stacking_list, win);
+void stacking_add(ObWindow *win);
+void stacking_add_nonintrusive(ObWindow *win);
#define stacking_remove(win) stacking_list = g_list_remove(stacking_list, win);
/*! Raises a window above all others in its stacking layer