Qt events and signals

[sarahjohn]

Hi, I have a qt browser and i am testing my web application in that.i load the url using widget qgraphicswebview . I need to know when all repaint happens in the webpage from browser ie, in qwebview there is a repaintevent ,similarly is there any events or signals from which i know the webpage is modified?

[sarahjohn]

Is it possible to know any update happened in a given rectangle region in screen?