Thanks nikosv, I've decided to stick with Wx after learning the ropes using the Wx::Demo mentioned already, but I will take a look at what you've got as I'm interested in the threading aspect that prevents main window blocking.

If it appears useful, I'll replicate it in Wx. My time's pretty limited lately working on my own electronics projects (code and hardware), so I can't say I'll be able to contribute, but who knows. I go off on tangents creating patches/PRs for random projects frequently, even when that was the farthest thing from my mind :)