add: XUnlockDisplay (bvw->priv->display);
context: update_fullscreen_size (BaconVideoWidget *bvw){	gdk_screen_get_monitor_geometry (gdk_screen_get_default (),			gdk_screen_get_monitor_at_window			(gdk_screen_get_default (),			 bvw->priv->video_window),			&bvw->priv->fullscreen_rect);}