Qt Painter outside paintEvent - impossible - workaround?

Question

So it appears that Qt4 doesn\'t let you draw on windows outside of a paint event. I have a lot of code that expects to be able to in order to draw rubber band lines (generi

Answer 1

Just paint to a QPixmap, and copy it to the real widget in the paintEvent. This is the only standard way. You shouldn't try to workaround it.