if(debug) printf("MWindowGUI::create_objects %d\n", __LINE__);
add_subwindow(transition_menu = new TransitionPopup(mwindow, this));
transition_menu->create_objects();
if(debug) printf("MWindowGUI::create_objects %d\n", __LINE__);
add_subwindow(transition_menu = new TransitionPopup(mwindow, this));
transition_menu->create_objects();