Hmm... why are you drawing in mousePressEvent? The event should handle mouse events, not draw anything. If the state of your widget changes as a result of mouse event handler, you should call updateGL() or update() to redraw it.
The "Q"
Re: Problem when mixing openGL and QPainter
Hmm... why are you drawing in mousePressEvent? The event should handle mouse events, not draw anything. If the state of your widget changes as a result of mouse event handler, you should call updateGL() or update() to redraw it.
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