How do you pass a non-static function as a callback?

Question

I\'m currently working with Qt and a graphics engine and during the init of the QGLWidget instance I need to pass a few function pointers to my engine.

The function look

Answer 1

You can't. That's what std::function exists for. You need to either change your interface to use std::function, get lucky and find some kind of void* context argument, or give up.