C++ QQuickView::setGeometry方法代码示例

int main(int argc, char *argv[])
{
    QGuiApplication application(argc, argv);
    const QString mainQmlApp = QStringLiteral("qrc:///flickr.qml");
    QQuickView view;
    view.setSource(QUrl(mainQmlApp));
    view.setResizeMode(QQuickView::SizeRootObjectToView);
    // Qt.quit() called in embedded .qml by default only emits
    // quit() signal, so do this (optionally use Qt.exit()).
    QObject::connect(view.engine(), SIGNAL(quit()), qApp, SLOT(quit()));
    view.setGeometry(QRect(100, 100, 360, 640));
    view.show();
    return application.exec();
}

int main(int argc, char *argv[])
{
    //QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
    QGuiApplication application(argc, argv);
    const QString mainQmlApp(QStringLiteral("qrc:/btcontrol.qml"));
    QQuickView view;
    view.setSource(QUrl(mainQmlApp));
    view.setResizeMode(QQuickView::SizeRootObjectToView);
    // Qt.quit() called in embedded .qml by default only emits
    // quit() signal, so do this (optionally use Qt.exit()).
    QObject::connect(view.engine(), SIGNAL(quit()), qApp, SLOT(quit()));
    //view.setGeometry(QRect(100, 100, 360, 640));
    view.setGeometry(QRect(100, 100, 600, 800));

    view.show();
    return application.exec();
}

//.........这里部分代码省略.........
        qmlRegisterUncreatableType<Trainrestrictions>("Fahrplan", 1, 0, "Trainrestrictions"
            , "Trainrestrictions cannot be created from QML. "
              "Access it through FahrplanBackend.trainrestrictions.");
        qmlRegisterUncreatableType<Backends>("Fahrplan", 1, 0, "Backends"
            , "Backends cannot be created from QML. "
              "Access it through FahrplanBackend.backends.");
        qmlRegisterType<JourneyResultList>("Fahrplan", 1, 0, "JourneyResultList");
        qmlRegisterType<JourneyResultItem>("Fahrplan", 1, 0, "JourneyResultItem");
        qmlRegisterType<JourneyDetailResultList>("Fahrplan", 1, 0, "JourneyDetailResultList");
        qmlRegisterType<JourneyDetailResultItem>("Fahrplan", 1, 0, "JourneyDetailResultItem");

        #if defined(BUILD_FOR_SAILFISHOS)
            QQuickView *view = SailfishApp::createView();
        #elif defined(HAVE_DECLARATIVE_CACHE)
            QDeclarativeView* view = MDeclarativeCache::qDeclarativeView();
        #elif defined(BUILD_FOR_QT5)
            QQuickView *view = new QQuickView();
        #else
            QDeclarativeView* view = new QDeclarativeView();
        #endif

        #if defined(BUILD_FOR_HARMATTAN)
            qDebug()<<"Harmattan";
            view->setSource(QUrl("qrc:/src/gui/harmattan/main.qml"));
            view->showFullScreen();
        #elif defined(BUILD_FOR_MAEMO_5)
            qDebug()<<"Maemo5";
            qmlRegisterType<HildonHelper>("HildonHelper", 1, 0, "HildonHelper");
            view->setSource(QUrl("qrc:/src/gui/fremantle/main.qml"));
            view->show();
        #elif defined(BUILD_FOR_SYMBIAN)
            qDebug()<<"Symbian";
            view->setSource(QUrl("qrc:/src/gui/symbian/main.qml"));
            view->showFullScreen();
        #elif defined(BUILD_FOR_UBUNTU)
            qDebug()<<"Ubuntu";
            view->setSource(QUrl("qrc:/src/gui/ubuntu/main.qml"));
            view->setResizeMode(QQuickView::SizeRootObjectToView);
            view->show();
            QSettings settings(FAHRPLAN_SETTINGS_NAMESPACE, "fahrplan2");
            view->setGeometry(settings.value("geometry", QRect(100, 100, 400, 600)).toRect());
        #elif defined(BUILD_FOR_SAILFISHOS)
            qDebug()<<"SailfishOs";
            view->setSource(QUrl("qrc:/src/gui/sailfishos/main.qml"));

            view->showFullScreen();
        #elif defined(BUILD_FOR_BLACKBERRY)
            qDebug() << "Blackberry";

            // QML wrapper around Qt Mobility Subset
            qmlRegisterType<QtMobilitySubset::BlackBerryPositionSource>("QtMobility.location", 1, 1, "PositionSource");
            qmlRegisterUncreatableType<QtMobilitySubset::BlackBerryPosition>("QtMobility.location", 1, 1, "Position", "Cant't create Position type");
            qmlRegisterUncreatableType<QtMobilitySubset::BlackBerryCoordinate>("QtMobility.location", 1, 1, "Coordinate", "Cant't create Coordinate type");

            QSettings *settings = new QSettings(FAHRPLAN_SETTINGS_NAMESPACE, "fahrplan2");

            // Check if GPS Location permission is set
            // and geolocation services are enabled.
            int res = geolocation_request_events(0);
            if (res == BPS_SUCCESS)
                geolocation_stop_events(0);
            settings->setValue("enableGps", res == BPS_SUCCESS);

            delete settings;

            // Improves touch handling
            QApplication::setStartDragDistance(42);

            QGLWidget *gl = new QGLWidget();
            view->setViewport(gl);
            view->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
            view->setSource(QUrl("qrc:/src/gui/symbian/main.qml"));

            // Hide Symbian-style status bar on BlackBerry
            view->rootObject()->setProperty("showStatusBar", false);

            view->showFullScreen();
        #endif
    #else
        qDebug()<<"Desktop";
        MainWindow w;
        w.show();
    #endif

    qDebug()<<"Exec";

    int error = app->exec();
    #if defined(BUILD_FOR_UBUNTU)
        settings.setValue("geometry", view->geometry());
    #endif

#ifndef Q_OS_BLACKBERRY
    // For some reason, this causes a weird freeze of
    // Fahrplan on BlackBerry 10 so that it can only
    // be closed by restarting the phone.
    delete app;
#endif

    return error;
}

int main(int argc, char **argv) {
    QStringList arguments;
    
    for(int ii = 0; ii < argc; ii++) {
        arguments << argv[ii];
    }

    if ( arguments.indexOf("--help") > 0 || arguments.indexOf("-h") > 0 ) {
        showUsageHelp(argv[0]);
        return 1;
    }
#ifdef USE_QT5
    // install message handler
    qInstallMessageHandler(SDDM::MessageHandler);

    // create application
    QGuiApplication app(argc, argv);
    // create view
    QQuickView view;
    view.setResizeMode(QQuickView::SizeRootObjectToView);
#else
    // create application
    QApplication app(argc, argv);
    // create view
    QDeclarativeView view;
    view.setResizeMode(QDeclarativeView::SizeRootObjectToView);
#endif

    view.engine()->addImportPath(IMPORTS_INSTALL_DIR);

    // create configuration instance
    Configuration configuration(CONFIG_FILE);

    // get socket name
    QString socket = parameter(app.arguments(), "--socket", "");

    // get theme path
    QString theme = parameter(app.arguments(), "--theme", "");

    // read theme metadata
    ThemeMetadata metadata(QString("%1/metadata.desktop").arg(theme));

    // get theme config file
    QString configFile = QString("%1/%2").arg(theme).arg(metadata.configFile());

    // read theme config
    ThemeConfig config(configFile);

    // create models
    SessionModel sessionModel;
    ScreenModel screenModel;
    UserModel userModel;
    GreeterProxy proxy(socket);
    proxy.setSessionModel(&sessionModel);

    // set context properties
    view.rootContext()->setContextProperty("sessionModel", &sessionModel);
    view.rootContext()->setContextProperty("screenModel", &screenModel);
    view.rootContext()->setContextProperty("userModel", &userModel);
    view.rootContext()->setContextProperty("config", config);
    view.rootContext()->setContextProperty("sddm", &proxy);

    // connect proxy signals
    QObject::connect(&proxy, SIGNAL(loginSucceeded()), &view, SLOT(close()));

    // get theme main script
    QString mainScript = QString("%1/%2").arg(theme).arg(metadata.mainScript());

    // set main script as source
    view.setSource(QUrl::fromLocalFile(mainScript));

    // show view
    view.showFullScreen();
    view.setGeometry(screenModel.geometry());

    // run application
    return app.exec();
}

    void GreeterApp::addViewForScreen(QScreen *screen) {
        // create view
        QQuickView *view = new QQuickView();
        view->setScreen(screen);
        view->setResizeMode(QQuickView::SizeRootObjectToView);
        //view->setGeometry(QRect(QPoint(0, 0), screen->geometry().size()));
        view->setGeometry(screen->geometry());
        m_views.append(view);

        // remove the view when the screen is removed, but we
        // need to be careful here since Qt will move the view to
        // another screen before this signal is emitted so we
        // pass a pointer to the view to our slot
        connect(this, &GreeterApp::screenRemoved, this, [view, this](QScreen *) {
            removeViewForScreen(view);
        });

        // always resize when the screen geometry changes
        connect(screen, &QScreen::geometryChanged, this, [view](const QRect &r) {
            view->setGeometry(r);
        });

        view->engine()->addImportPath(QStringLiteral(IMPORTS_INSTALL_DIR));

        // connect proxy signals
        connect(m_proxy, SIGNAL(loginSucceeded()), view, SLOT(close()));

        // we used to have only one window as big as the virtual desktop,
        // QML took care of creating an item for each screen by iterating on
        // the screen model. However we now have a better approach: we create
        // a view for each screen that compose the virtual desktop and thus
        // the QML code for each screen is responsible for drawing only its
        // screen. By doing so we actually make the screen model useless, but
        // we want to keep it for compatibility reasons, we do however create
        // one for each view and expose only the screen that the view belongs to
        // in order to avoid creating items with different sizes.
        ScreenModel *screenModel = new ScreenModel(screen, view);

        // set context properties
        view->rootContext()->setContextProperty(QStringLiteral("sessionModel"), m_sessionModel);
        view->rootContext()->setContextProperty(QStringLiteral("screenModel"), screenModel);
        view->rootContext()->setContextProperty(QStringLiteral("userModel"), m_userModel);
        view->rootContext()->setContextProperty(QStringLiteral("config"), *m_themeConfig);
        view->rootContext()->setContextProperty(QStringLiteral("sddm"), m_proxy);
        view->rootContext()->setContextProperty(QStringLiteral("keyboard"), m_keyboard);
        view->rootContext()->setContextProperty(QStringLiteral("primaryScreen"), QGuiApplication::primaryScreen() == screen);
        view->rootContext()->setContextProperty(QStringLiteral("__sddm_errors"), QString());

        // get theme main script
        QString mainScript = QStringLiteral("%1/%2").arg(m_themePath).arg(m_metadata->mainScript());
        QUrl mainScriptUrl;
        if (m_themePath.startsWith(QLatin1String("qrc:/")))
            mainScriptUrl = QUrl(mainScript);
        else
            mainScriptUrl = QUrl::fromLocalFile(mainScript);

        // load theme from resources when an error has occurred
        connect(view, &QQuickView::statusChanged, this, [view](QQuickView::Status status) {
            if (status != QQuickView::Error)
                return;

            QString errors;
            Q_FOREACH(const QQmlError &e, view->errors()) {
                qWarning() << e;
                errors += QLatin1String("\n") + e.toString();
            }

            qWarning() << "Fallback to embedded theme";
            view->rootContext()->setContextProperty(QStringLiteral("__sddm_errors"), errors);
            view->setSource(QUrl(QStringLiteral("qrc:/theme/Main.qml")));
        });