Newer versions (4.7 - 5.1) of Qt are really nice and you have many levels of interaction. 1. Standard C++ ui designed in a form designer and connected to C++ c

Newer versions (4.7 - 5.1) of Qt are really nice and you have many levels of interaction. 1. Standard C++ ui designed in a form designer and connected to C++ classes. 2. QML + javascript. 3. OpenGL with the ability to use widgets on the OpenGL viewport.