I don't know. Maybe it is a bad decision. I am groping in the dark because I have never used a serious GUI kit.
Oh I remember. Because I compiled Code::Blocks on my machine and to make it work I had to compile WxWidgets with the GTK+ option and it works fine. I have no other reason. I am not in love with WxWidgets.
Why should I use QT instead? All I want is the one that is easiest and fastest to learn and that I can cross compile for Windows and Linux. I don't need tons of functionality. If QT is the easiest then I guess that is all I really need to know.
Also if QT is a better decision then again I would appreciate anybody's input on best way to learn it, books, websites, tutorials, etc.