Is it possible to use Visual Studio as an IDE, Qt as a framework library and clang as an internal compiler?
I don't know if this is possible, but it would ensure that I had a better IDE, better compiler and better GUI infrastructure.
Maybe.
AddIn for Visual Studio, which integrates Qt:
http://qt-project.org/forums/viewthread/23169
AddIn for Visual Studio, which allows you to use the Clang C / C ++ compiler:
https://github.com/ishani/ClangVSx