if (!widget || !gtk_widget_get_window(widget)) return 0;
screen = gtk_widget_get_screen(widget);
+ G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
monitor = gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(widget));
+ G_GNUC_END_IGNORE_DEPRECATIONS;
n = 100 + monitor + 1;