how to add QML widgets in QGraphicsScene version QtQuick 2.0

Hi everyone! how to add qml widget in QGraphicsScene version QtQuick 2.0? In The documentation only found out how to add widgets version QtQuick 1.0, and version QtQuick 2.0 no. QGraphicsScene* scene = myExistingGraphicsScene();  QDeclarativeEngine *engine = new QDeclarativeEngine;  QDeclarativeComponent component(engine, QUrl::fromLocalFile("myqml.qml"));  QGraphicsObject *object =      qobject_cast<QGraphicsObject *>(component.create());  scene->addItem(object);