No? Basically all the GUI frameworks are horrible to write in, and if you haven't reached a point where you're pulling your hair out then your application just isn't complex enough. There is an unavoidable amount of complexity in writing GUIs and using a cross-platform framework means you get to wade through that unavoidable complexity N+1 times: once for each platform and then once for your framework!
No? Basically all the GUI frameworks are horrible to write in, and if you haven't reached a point where you're pulling your hair out then your application just isn't complex enough. There is an unavoidable amount of complexity in writing GUIs and using a cross-platform framework means you get to wade through that unavoidable complexity N+1 times: once for each platform and then once for your framework!