PlaybackSubtitle *subtitle_toggle;
x1 += subtitle_number->get_w() + margin;
add_subwindow(subtitle_toggle = new PlaybackSubtitle(x2, y, pwindow, this));
PlaybackSubtitle *subtitle_toggle;
x1 += subtitle_number->get_w() + margin;
add_subwindow(subtitle_toggle = new PlaybackSubtitle(x2, y, pwindow, this));