How to receive gesture events on a QGraphicsItem?

Question

I already set:

graphicsView->setAttribute(Qt::WA_AcceptTouchEvents);
graphicsView->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
graphicsView->grabGesture(Qt::PinchGesture);
graphicsView->viewport()->grabGesture(Qt::PinchGesture);

And I'm still unable to receive gestures on the sceneEvent method of a QGraphicsItem using Qt 5.1, does anyone knows why ?

Answer 1

回答我自己的问题以解决此问题： http : //qt-project.org/forums/viewthread/32600/