- Qt 5.5
- Qt Widgets
- Embedded Dialogs
- main.cpp Example File
- Qt 5.5.1 Reference Documentation

# main.cpp Example File

graphicsview/embeddeddialogs/main.cpp

    /****************************************************************************
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    ** This file is part of the demonstration applications of the Qt Toolkit.
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    ** $QT_BEGIN_LICENSE:LGPL21$
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    #include "customproxy.h"
    #include "embeddeddialog.h"

    #include <QApplication>
    #include <QGraphicsScene>
    #include <QGraphicsView>

    int main(int argc, char *argv[])
    {
        Q_INIT_RESOURCE(embeddeddialogs);
        QApplication app(argc, argv);

        QGraphicsScene scene;
        scene.setStickyFocus(true);
    #ifndef Q_OS_WINCE
        const int gridSize = 10;
    #else
        const int gridSize = 5;
    #endif

        for (int y = 0; y < gridSize; ++y) {
            for (int x = 0; x < gridSize; ++x) {
                CustomProxy *proxy = new CustomProxy(0, Qt::Window);
                proxy->setWidget(new EmbeddedDialog);

                QRectF rect = proxy->boundingRect();

                proxy->setPos(x * rect.width() * 1.05, y * rect.height() * 1.05);
                proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache);

                scene.addItem(proxy);
            }
        }
        scene.setSceneRect(scene.itemsBoundingRect());

        QGraphicsView view(&scene);
        view.scale(0.5, 0.5);
        view.setRenderHints(view.renderHints() | QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
        view.setBackgroundBrush(QPixmap(":/No-Ones-Laughing-3.jpg"));
        view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
        view.show();
        view.setWindowTitle("Embedded Dialogs Example");
        return app.exec();
    }