Update on my silly little #libopenmpt-based mod player: it now loads m3u playlists! \o/
Still need to refine it a bit further though, but the basic stuff works.
@nilsding bless mac os's window animating stuff
@dogo I'm using Qt, so it should work across any platform. This is the Qt class I used for the animation: https://doc.qt.io/qt-5/qpropertyanimation.html#details