main.cpp Example File

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 #include <QApplication>
 #include <QGraphicsView>
 #include <QGraphicsScene>
 #include <QGraphicsWidget>
 #include <QGraphicsLinearLayout>
 #include <QDeclarativeComponent>
 #include <QDeclarativeEngine>

 /* This example demonstrates using a LayoutItem to let QML snippets integrate
    nicely with existing QGraphicsView applications designed with GraphicsLayouts
 */
 int main(int argc, char* argv[])
 {
     QApplication app(argc, argv);

     //Set up a graphics scene with a QGraphicsWidget and Layout
     QGraphicsView view;
     QGraphicsScene scene;
     QGraphicsWidget *widget = new QGraphicsWidget();
     QGraphicsLinearLayout *layout = new QGraphicsLinearLayout();
     widget->setLayout(layout);
     scene.addItem(widget);
     view.setScene(&scene);

     //Add the QML snippet into the layout
     QDeclarativeEngine engine;
     QDeclarativeComponent c(&engine, QUrl(":layoutitem.qml"));
     QGraphicsLayoutItem* obj = qobject_cast<QGraphicsLayoutItem*>(c.create());
     layout->addItem(obj);

     widget->setGeometry(QRectF(0,0, 400,400));
     view.show();
     return app.exec();
 }