This does ignore the fact that there's not one UI toolkit that you can target and that will work on all distros, and you certainly can't target Qt, GTK, ETK, et

This does ignore the fact that there's not one UI toolkit that you can target and that will work on all distros, and you certainly can't target Qt, GTK, ETK, etc. all at the same time. I've been making a cross platform GUI library and it's been a pain point on Linux (even though I use Linux!)