QGraphicsItem doesn't receive mouse hover events

Question

I have a class derived from QGraphicsView, which contains QGraphicsItem-derived elements. I want these elements to change color whenever the mouse

Answer 1

In my case, hover events wouldn't work if I overrode mouseMoveEvent in my implementation of the QGraphicsView class. I fixed this by adding a call to

QGraphicsView::mouseMoveEvent(event);

which propagated the event to the parent, which in turn sent it out to all the scene items.