(GTK_CONTAINER (parent_widget));if(GTK_IS_MENU_BAR (children->data))gtk_fixed_put(GTK_FIXED (children->next->data), widget,0,0);elsegtk_fixed_put(GTK_FIXED (children->data), widget,0,0); }elseif(GTK_IS_SCROLLED_WINDOW (parent_widget)) { gtk_scrolled_window_add_with_viewport (...