C++ QtQuick2ApplicationViewer::setWidth方法代码示例

int main(int argc, char *argv[])
{
    QOptions options(get_common_options());
    options.add(QLatin1String("QMLPlayer options"))
            ("scale", 1.0, QLatin1String("scale of graphics context. 0: auto"))
            ;
    options.parse(argc, argv);
    if (options.value(QLatin1String("help")).toBool()) {
        options.print();
        return 0;
    }

    QGuiApplication app(argc, argv);
    QDir::setCurrent(qApp->applicationDirPath());
    qDebug() << "arguments======= " << app.arguments();
    set_opengl_backend(options.option(QStringLiteral("gl")).value().toString(), app.arguments().first());
    load_qm(QStringList() << QStringLiteral("QMLPlayer"), options.value(QStringLiteral("language")).toString());
    QtQuick2ApplicationViewer viewer;
    QString binDir = qApp->applicationDirPath();
    if (binDir.endsWith(QLatin1String(".app/Contents/MacOS"))) {
        binDir.remove(QLatin1String(".app/Contents/MacOS"));
        binDir = binDir.left(binDir.lastIndexOf(QLatin1String("/")));
    }
    QQmlEngine *engine = viewer.engine();
    if (!engine->importPathList().contains(binDir))
        engine->addImportPath(binDir);
    qDebug() << engine->importPathList();
    engine->rootContext()->setContextProperty(QStringLiteral("PlayerConfig"), &Config::instance());
    qDebug(">>>>>>>>devicePixelRatio: %f", qApp->devicePixelRatio());
    QScreen *sc = app.primaryScreen();
    qDebug() << "dpi phy: " << sc->physicalDotsPerInch() << ", logical: " << sc->logicalDotsPerInch() << ", dpr: " << sc->devicePixelRatio()
                << "; vis rect:" << sc->virtualGeometry();
    // define a global var for js and qml
    engine->rootContext()->setContextProperty(QStringLiteral("screenPixelDensity"), qApp->primaryScreen()->physicalDotsPerInch()*qApp->primaryScreen()->devicePixelRatio());
    qreal r = sc->physicalDotsPerInch()/sc->logicalDotsPerInch();
    if (std::isinf(r) || std::isnan(r))
#if defined(Q_OS_ANDROID)
        r = 2.0;
#else
        r = 1.0;
#endif
    float sr = options.value(QStringLiteral("scale")).toFloat();
#if defined(Q_OS_ANDROID)
    sr = r;
    if (sr > 2.0)
        sr = 2.0; //FIXME
#endif
    if (qFuzzyIsNull(sr))
        sr = r;
    engine->rootContext()->setContextProperty(QStringLiteral("scaleRatio"), sr);
    QString qml = QStringLiteral("qml/QMLPlayer/main.qml");
    if (QFile(qApp->applicationDirPath() + QLatin1String("/") + qml).exists())
        qml.prepend(qApp->applicationDirPath() + QLatin1String("/"));
    else
        qml.prepend(QLatin1String("qrc:///"));
    viewer.setMainQmlFile(qml);
    viewer.show();
    QOption op = options.option(QStringLiteral("width"));
    if (op.isSet())
        viewer.setWidth(op.value().toInt());
    op = options.option(QStringLiteral("height"));
    if (op.isSet())
        viewer.setHeight(op.value().toInt());
    op = options.option(QStringLiteral("x"));
    if (op.isSet())
        viewer.setX(op.value().toInt());
    op = options.option(QStringLiteral("y"));
    if (op.isSet())
        viewer.setY(op.value().toInt());
    if (options.value(QStringLiteral("fullscreen")).toBool())
        viewer.showFullScreen();

    viewer.setTitle(QStringLiteral("QMLPlayer based on QtAV. [email protected]"));
    /*
     * find root item, then root.init(argv). so we can deal with argv in qml
     */
#if 1
    QString json = app.arguments().join(QStringLiteral("\",\""));
    json.prepend(QLatin1String("[\"")).append(QLatin1String("\"]"));
    json.replace(QLatin1String("\\"), QLatin1String("/")); //FIXME
    QMetaObject::invokeMethod(viewer.rootObject(), "init", Q_ARG(QVariant, json));
//#else
    QObject *player = viewer.rootObject()->findChild<QObject*>(QStringLiteral("player"));
    if (player) {
        AppEventFilter *ae = new AppEventFilter(player, player);
        qApp->installEventFilter(ae);
    }
    QString file;
#ifdef Q_OS_ANDROID
    file = QAndroidJniObject::callStaticObjectMethod("org.qtav.qmlplayer.QMLPlayerActivity"
                                                                              , "getUrl"
                                                                              , "()Ljava/lang/String;")
            .toString();
#endif
    if (app.arguments().size() > 1) {
        file = options.value(QStringLiteral("file")).toString();
        if (file.isEmpty()) {
            if (argc > 1 && !app.arguments().last().startsWith(QLatin1Char('-')) && !app.arguments().at(argc-2).startsWith(QLatin1Char('-')))
                file = app.arguments().last();
        }
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    //Создание структуры объектов

    //CanDevice* canDevice = SocketCanDevice::instance();
    CanDevice* canDevice = EmulationCanDevice::instance();
    canDevice->registerCanUnit(CanUnitCapno1::instance());
    canDevice->registerCanUnit(CanUnitCapno2::instance());
    canDevice->registerCanUnit(CanUnitPower::instance());
    canDevice->registerCanUnit(CanUnitSPO::instance());
    canDevice->registerCanUnit(CanUnitKIVL::instance());
    canDevice->registerCanUnit(CanUnitMix::instance());

    RegimeManager::instance();
    CanManager::instance();
    EventManager::instance();
    GraphicManager::instance();
    OptionsManager::instance();

    VentModeManager::instance();
    TranslationManager::instance();
    QObject::connect(canDevice,SIGNAL(canDeviceModeChanged(CanDevice::canDeviceModes)),
                     RegimeManager::instance(), SLOT(slotCanDeviceMode(CanDevice::canDeviceModes)));

    //Регистрация перечислений для QML
    qmlRegisterUncreatableType<CanUnitMix>("CppImport", 1, 0, "CanUnitMix", "NOT MAY CREATE");
    qmlRegisterUncreatableType<CanUnitKIVL>("CppImport", 1, 0, "CanUnitKIVL", "NOT MAY CREATE");
    qmlRegisterUncreatableType<MeasureParameter>("CppImport", 1, 0, "MeasureParameter", "NOT MAY CREATE");
    qmlRegisterUncreatableType<TunningParameter>("CppImport", 1, 0, "TunningParameter", "NOT MAY CREATE");
    qmlRegisterUncreatableType<AssociatedParameter>("CppImport", 1, 0, "AssociatedParameter", "NOT MAY CREATE");
    qmlRegisterUncreatableType<EventIDs>("CppImport", 1, 0, "EventIDs", "NOT MAY CREATE");
    qmlRegisterUncreatableType<EventTypes>("CppImport", 1, 0, "EventTypes", "NOT MAY CREATE");
    qmlRegisterUncreatableType<CanUnitPower>("CppImport", 1, 0, "CanUnitPower", "NOT MAY CREATE");
    qmlRegisterUncreatableType<CanUnit>("CppImport", 1, 0, "CanUnit", "NOT MAY CREATE");
    qmlRegisterUncreatableType<RegimeManager>("CppImport", 1, 0, "RegimeManager", "NOT MAY CREATE");
    qmlRegisterUncreatableType<VentModeManager>("CppImport", 1, 0, "VentModeManager", "NOT MAY CREATE");

    //Создание представления и контекста QML
    QtQuick2ApplicationViewer viewer;
    QQmlContext* ctx = viewer.rootContext();


    //регистрация объектов для QML
    ctx->setContextProperty("keySim",         new KeyboardSimulator());
    ctx->setContextProperty("tm",             TranslationManager::instance());
    ctx->setContextProperty("regimeManager",  RegimeManager::instance());
    ctx->setContextProperty("canUnitMix",     CanUnitMix::instance());
    ctx->setContextProperty("canUnitKIVL",    CanUnitKIVL::instance());
    ctx->setContextProperty("canUnitPower",   CanUnitPower::instance());    
    ctx->setContextProperty("eventManager",   EventManager::instance());
    ctx->setContextProperty("ventModeManager",VentModeManager::instance());
    ctx->setContextProperty("graphicManager", GraphicManager::instance());
    ctx->setContextProperty("canManager",     CanManager::instance());
    CanUnitKIVL::instance()->bindContext(ctx);
    CanUnitCapno1::instance()->bindContext(ctx);
    VentModeManager::instance()->bindContext(ctx);
    GraphicManager::instance()->bindContext(ctx);
    OptionsManager::instance()->bindContext(ctx);


    viewer.setMainQmlFile(QStringLiteral("qml/BaseIVL2/main.qml"));
    viewer.setWidth(1024);
    viewer.setHeight(768);
    viewer.setColor(QColor::fromRgb(0,0,0,0)/*Qt::transparent*/);
    viewer.showExpanded();

    canDevice->startInit();
    return app.exec();
}

int main(int argc, char *argv[])
{
    QOptions options(get_common_options());
    options.add("QMLPlayer options")
            ("scale", 1.0, "scale of graphics context. 0: auto")
            ;
    options.parse(argc, argv);
    if (options.value("help").toBool()) {
        options.print();
        return 0;
    }

    QGuiApplication app(argc, argv);
    QtQuick2ApplicationViewer viewer;
    qDebug(">>>>>>>>devicePixelRatio: %f", qApp->devicePixelRatio());
    QScreen *sc = app.primaryScreen();
    qDebug() << "dpi phy: " << sc->physicalDotsPerInch() << ", logical: " << sc->logicalDotsPerInch() << ", dpr: " << sc->devicePixelRatio()
                << "; vis rect:" << sc->virtualGeometry();
    // define a global var for js and qml
    viewer.engine()->rootContext()->setContextProperty("screenPixelDensity", qApp->primaryScreen()->physicalDotsPerInch()*qApp->primaryScreen()->devicePixelRatio());
    qreal r = sc->physicalDotsPerInch()/sc->logicalDotsPerInch();
    if (std::isinf(r) || std::isnan(r))
#if defined(Q_OS_ANDROID)
        r = 2.0;
#else
        r = 1.0;
#endif
    float sr = options.value("scale").toFloat();
    if (qFuzzyIsNull(sr))
        sr = r;
    viewer.engine()->rootContext()->setContextProperty("scaleRatio", sr);
    QString qml = "qml/QMLPlayer/main.qml";
    if (QFile(qApp->applicationDirPath() + "/" + qml).exists())
        qml.prepend(qApp->applicationDirPath() + "/");
    else
        qml.prepend("qrc:///");
    viewer.setMainQmlFile(qml);
    viewer.showExpanded();
    QOption op = options.option("width");
    if (op.isSet())
        viewer.setWidth(op.value().toInt());
    op = options.option("height");
    if (op.isSet())
        viewer.setHeight(op.value().toInt());
    op = options.option("x");
    if (op.isSet())
        viewer.setX(op.value().toInt());
    op = options.option("y");
    if (op.isSet())
        viewer.setY(op.value().toInt());
    if (options.value("fullscreen").toBool())
        viewer.showFullScreen();

    viewer.setTitle("QMLPlayer based on QtAV. [email protected]");
    /*
     * find root item, then root.init(argv). so we can deal with argv in qml
     */
#if 1
    QString json = app.arguments().join("\",\"");
    json.prepend("[\"").append("\"]");
    json.replace("\\", "/"); //FIXME
    QMetaObject::invokeMethod(viewer.rootObject(), "init", Q_ARG(QVariant, json));
//#else
    if (app.arguments().size() > 1) {
        qDebug("arguments > 1");
        QObject *player = viewer.rootObject()->findChild<QObject*>("player");
        QString file = options.value("file").toString();
        if (player && !file.isEmpty()) {
            if (QFile(file).exists())
                file.prepend("file://");
            file.replace("\\", "/"); //qurl
            QMetaObject::invokeMethod(player, "play", Q_ARG(QUrl, QUrl(file)));
        }
    }
#endif
    QObject::connect(viewer.rootObject(), SIGNAL(requestFullScreen()), &viewer, SLOT(showFullScreen()));
    QObject::connect(viewer.rootObject(), SIGNAL(requestNormalSize()), &viewer, SLOT(showNormal()));
    ScreenSaver::instance().disable(); //restore in dtor
    return app.exec();
}