How to enable dragging in QGraphicsScene?

I'm trying to put two pictures in the QGraphicsScene. One is fixed and the other one is movable. But I succ开发者_如何学Pythoneed only in putting those pictures in the QGraphicsScene, I can't move them. How can I achieve this?

You have to make sure the item is movable. Have a look at QGraphicsItem::setFlag.

You'll have to do something like this :

myImageItem->setFlag(QGraphicsItem::ItemIsMovable, true);