void client_add_destroy_notify(ObClientCallback func, gpointer data);
void client_remove_destroy_notify(ObClientCallback func);
-/*! Get notified when the client is hidden */
-void client_add_hide_notify(ObClientCallback func, gpointer data);
-void client_remove_hide_notify(ObClientCallback func);
-
/*! Manages all existing windows */
void client_manage_all();
/*! Manages a given window