C++ QmlApplicationViewer::setViewport方法代码示例

int main(int argc, char *argv[])
{
// Depending on which is the recommended way for the platform, either use
// opengl graphics system or paint into QGLWidget.
#ifdef SHADEREFFECTS_USE_OPENGL_GRAPHICSSYSTEM
    QApplication::setGraphicsSystem("opengl");
#endif

    QApplication app(argc, argv);
    QmlApplicationViewer viewer;

#ifndef SHADEREFFECTS_USE_OPENGL_GRAPHICSSYSTEM
    QGLFormat format = QGLFormat::defaultFormat();
    format.setSampleBuffers(false);
    format.setSwapInterval(1);
    QGLWidget* glWidget = new QGLWidget(format);
    glWidget->setAutoFillBackground(false);
    viewer.setViewport(glWidget);
#endif

    viewer.setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
    viewer.setAttribute(Qt::WA_OpaquePaintEvent);
    viewer.setAttribute(Qt::WA_NoSystemBackground);
    viewer.setOrientation(QmlApplicationViewer::ScreenOrientationAuto);
    viewer.setMainQmlFile(QLatin1String("qml/shadereffects/main.qml"));
    QObject::connect(viewer.engine(), SIGNAL(quit()), &viewer, SLOT(close()));
    viewer.showExpanded();

    return app.exec();
}

MuseBox::MuseBox(QWidget *parent) :
    QMainWindow(parent)
{
    //TODO add a splash screen here? would be totally fun!
    qmlRegisterType<TrackArrangementBackground>("TrackArrangement",1,0,"TrackArrangementBackground");
    qmlRegisterType<CursorRuler>("TrackArrangement",1,0,"CursorRuler");
    qmlRegisterType<PatternModel>("DataModel",1,0,"PatternModel");
    qmlRegisterType<NoteModel>("DataModel",1,0,"NoteModel");
    qmlRegisterType<PatternDisplay>("TrackArrangement",1,0,"PatternDisplay");
    qmlRegisterType<PatternNoteDisplay>("TrackArrangement",1,0,"PatternNoteDisplay");
    QmlApplicationViewer *view = new QmlApplicationViewer();
    view->rootContext()->setContextProperty("musebox", this);
    view->rootContext()->setContextProperty("trackModel", &this->trackModel);
    view->setSource(QUrl::fromLocalFile("qml/MuseBox/main.qml"));
    view->setResizeMode(QDeclarativeView::SizeRootObjectToView);


    QGLFormat format = QGLFormat::defaultFormat();
    format.setSampleBuffers(false);
    QGLWidget *glWidget = new QGLWidget(format);
    glWidget->setAutoFillBackground(false);
    view->setViewport(glWidget);

    setCentralWidget(view);
    Hardware::Init();
    view->rootContext()->setContextProperty("transposeMachine", Hardware::TransposeMachine);
    Hardware::StartAudio();
}

Q_DECL_EXPORT int main(int argc, char *argv[])
{
    QScopedPointer<QApplication> app(createApplication(argc, argv));
    app->setGraphicsSystem("opengl");

    QmlApplicationViewer viewer;
    QGLFormat fmt;
    fmt.setSampleBuffers(false);
    QGLWidget* glWidget = new QGLWidget(fmt);

    viewer.setViewport(glWidget);

    //viewer.setWindowFlags(Qt::FramelessWindowHint);
    //viewer.setAttribute(Qt::WA_TranslucentBackground);
//    /viewer.viewport()->setAutoFillBackground(false);

  //  viewer.setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
    viewer.setMainQmlFile(QApplication::applicationDirPath() + "/../qml/FolderListTest/main.qml");

    //viewer.setWindowState(Qt::WindowMaximized);
    viewer.resize(qApp->desktop()->screenGeometry().width(), 3*qApp->desktop()->screenGeometry().height()/5);
    viewer.move(0, qApp->desktop()->screenGeometry().height()/2 - viewer.height()/2);

    if(argc>1)
    {
        QGraphicsObject * param = viewer.rootObject();
        QString s = QString::fromUtf8(argv[1]);
        s.remove("\"");
        QString url = QUrl::fromLocalFile(s).toString();
        param->setProperty("appParam", url);
        qDebug(url.toAscii().data());
    }

    viewer.showExpanded();

    return app->exec();
}

int main(int argc, char *argv[])
{
#ifdef USE_OPENGL_GRAPHICS_SYSTEM
    QApplication::setGraphicsSystem("opengl");
#endif

    QApplication app(argc, argv);

#ifdef PERFORMANCEMONITOR_SUPPORT
    PerformanceMonitor::qmlRegisterTypes();
#endif

    QUrl fileName;
    qreal volume = 0.5;
    QStringList args = app.arguments();
#ifdef PERFORMANCEMONITOR_SUPPORT
    PerformanceMonitor::State performanceMonitorState;
#endif
    for (int i=1; i<args.count(); ++i) {
        const QString &arg = args.at(i);
        if (arg.startsWith('-')) {
            if ("-volume" == arg) {
                if (i+1 < args.count())
                    volume = 0.01 * args.at(++i).toInt();
                else
                    qtTrace() << "Option \"-volume\" takes a value";
            }
#ifdef PERFORMANCEMONITOR_SUPPORT
            else if (PerformanceMonitor::parseArgument(arg, performanceMonitorState)) {
                // Do nothing
            }
#endif
            else {
                qtTrace() << "Option" << arg << "ignored";
            }
        } else {
            if (fileName.isEmpty())
                fileName = QUrl::fromLocalFile(arg);
            else
                qtTrace() << "Argument" << arg << "ignored";
        }
    }

    QmlApplicationViewer viewer;

#ifndef USE_OPENGL_GRAPHICS_SYSTEM
    QGLFormat format = QGLFormat::defaultFormat();
    format.setSampleBuffers(false);
    format.setSwapInterval(1);
    QGLWidget* glWidget = new QGLWidget(format);
    glWidget->setAutoFillBackground(false);
    viewer.setViewport(glWidget);
#endif

    viewer.setOrientation(QmlApplicationViewer::ScreenOrientationAuto);
    viewer.setMainQmlFile(QLatin1String("qml/qmlvideofx/") + MainQmlFile);
    viewer.setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
    QGraphicsObject *rootObject = viewer.rootObject();
    rootObject->setProperty("fileName", fileName);
    viewer.rootObject()->setProperty("volume", volume);

#ifdef PERFORMANCEMONITOR_SUPPORT
    if (performanceMonitorState.valid) {
        rootObject->setProperty("perfMonitorsLogging", performanceMonitorState.logging);
        rootObject->setProperty("perfMonitorsVisible", performanceMonitorState.visible);
    }
    PaintEventMonitor paintEventMonitor;
    paintEventMonitor.setTarget(viewer.viewport());
    QObject::connect(&paintEventMonitor, SIGNAL(targetPainted()),
                     rootObject, SLOT(qmlFramePainted()));
#endif

    FileReader fileReader;
    viewer.rootContext()->setContextProperty("fileReader", &fileReader);

    QString imagePath = "../../images";
    const QString picturesLocation = QDesktopServices::storageLocation(QDesktopServices::PicturesLocation);
    if (!picturesLocation.isEmpty())
        imagePath = picturesLocation;
    viewer.rootContext()->setContextProperty("imagePath", imagePath);

    QString videoPath;
    const QString moviesLocation = QDesktopServices::storageLocation(QDesktopServices::MoviesLocation);
    if (!moviesLocation.isEmpty())
        videoPath = moviesLocation;
    viewer.rootContext()->setContextProperty("videoPath", videoPath);

#ifdef SMALL_SCREEN_PHYSICAL
    viewer.setOrientation(QmlApplicationViewer::ScreenOrientationLockLandscape);
    viewer.showFullScreen();
#else
    viewer.showExpanded();
#endif

    // Delay invocation of init until the event loop has started, to work around
    // a GL context issue on Harmattan: without this, we get the following error
    // when the first ShaderEffectItem is created:
    // "QGLShaderProgram::addShader: Program and shader are not associated with same context"
    QMetaObject::invokeMethod(viewer.rootObject(), "init", Qt::QueuedConnection);

//.........这里部分代码省略.........