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

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv); // Create the base application class

    QtQuick2ApplicationViewer viewer; // create the QML viewer window



    // The below code will eventually be wrapped in a top level class
    // Initialize the flyweight
    //Create first Variable "A"
    Var* current_var(nullptr);
    CalculationFlyWeight flyweight;
    QString token(flyweight.insertCalculation("0","A",current_var));

    // Initialize the InputEventHandle class connects QML user input -> C++ Backend logic
    InputEventHandler in(&flyweight,viewer.engine()->rootContext(),&viewer,nullptr,current_var);

    // Make the Event Handler visible as QObject& in QML
    viewer.engine()->rootContext()->setContextProperty("EventHandler",&in);

    // simulate a user input call to place A as the current variable in the editor
     in.requestVariable(token);
    // set the main qml file

    viewer.setMainQmlFile(QStringLiteral("User_Interface/qml/main.qml"));
    viewer.showExpanded(); // set fullscreen, and visible
    return app.exec(); // run the main Application Event loop
}

int main(int argc, char *argv[])
{
    qDebug("[Salticidae] Init Salticidae v%s", PROJECT_VERSION);

    QCoreApplication::setOrganizationName("Rabits");
    QCoreApplication::setOrganizationDomain("rabits.org");
    QCoreApplication::setApplicationName("salticidae");
    QCoreApplication::setApplicationVersion(PROJECT_VERSION);

    QGuiApplication app(argc, argv);

    Eyes::registerQmlTypes();
    PluginManager::initPlugins();

    QtQuick2ApplicationViewer viewer;

    Eyes::I()->initContext(viewer, &app);

    qDebug("[Salticidae] Loading qml");
    viewer.setSource(QUrl("qrc:/qml/salticidae/main.qml"));
    QObject::connect(viewer.engine(), SIGNAL(quit()), &viewer, SLOT(close()));

    Eyes::I()->initRoot(viewer);

    qDebug("[Salticidae] Init done, starting");

    viewer.showExpanded();
    return app.exec();
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QString fileName;
    if (app.arguments().length() > 1) {
        fileName = app.arguments().at(1);
    } else {
        qWarning() << "Pass extracted json memory info dump as argument";
        return 0;
    }

    QtQuick2ApplicationViewer viewer;

    QFile jsonFile(fileName);
    if (!jsonFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
        qWarning() << "Failed to open file:" << fileName;
        return 0;
    }

    viewer.setTitle(fileName);
    viewer.engine()->rootContext()->setContextProperty("jsonFile", QString(jsonFile.readAll()));
    viewer.setMainQmlFile(QStringLiteral("qml/memory-dump-reader.qml"));
    viewer.showExpanded();

    return app.exec();
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    qmlRegisterType<PieChart>("Charts", 1, 0, "PieChart");
    qmlRegisterType<PieSlice>("Charts", 1, 0, "PieSlice");

    Configuration m_configuration;
    SerialLink m_serialLink;
    MavLinkManager m_mavlink_manager;

    LinkManager m_gLinkManager;

    QtQuick2ApplicationViewer viewer;
    QtQuick2ApplicationViewer splashscreen;

    QString customPath = "Sqlite/OfflineStorage";
    QDir dir;
    if(dir.mkpath(QString(customPath))){
//        qDebug() << "Default path >> "+viewer.engine()->offlineStoragePath();
        viewer.engine()->setOfflineStoragePath(QString(customPath));
//        qDebug() << "New path >> "+viewer.engine()->offlineStoragePath();
    }
    // using as normal
//    viewer.setMainQmlFile(QStringLiteral("qml/gStabiSC/main.qml"));
    // using qml files form resources file, uncomment this to compile all qml file to .exe

    splashscreen.setSource(QUrl("qrc:/qml/gStabiSC/GSplashScreen.qml"));
    splashscreen.setFlags(Qt::FramelessWindowHint);
    splashscreen.setMinimumSize(QSize(1000,500));
    splashscreen.show();


    viewer.setSource(QUrl("qrc:/qml/gStabiSC/GMain.qml"));
    viewer.setTitle(QString("%1 %2").arg(APPLICATION_NAME).arg(APPLICATION_VERSION));
    viewer.setMinimumSize(QSize(APPLICATION_WIDTH,APPLICATION_HEIGHT));
    viewer.setMaximumSize(QSize(APPLICATION_WIDTH,APPLICATION_HEIGHT));

//    viewer.addImportPath("qrc:/qml/gStabiSC");
//    viewer.addImportPath("qrc:/qml/gStabiSC/Components");
//    viewer.addImportPath("qrc:/qml/gStabiSC/GDashboard");
//    viewer.addImportPath("qrc:/javascript/storage.js");

    viewer.rootContext()->setContextProperty("_configuration",&m_configuration);
    viewer.rootContext()->setContextProperty("_serialLink", &m_serialLink);
    viewer.rootContext()->setContextProperty("_mavlink_manager", &m_mavlink_manager);

    m_gLinkManager.connectLink(&m_serialLink,&m_mavlink_manager);

    QTimer::singleShot(3000, &splashscreen, SLOT(close()));
    QTimer::singleShot(3000, &viewer, SLOT(show()));

    return app.exec();
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QString filepath = app.arguments().value(1, "./why_are_you_reading_this.png");
    filepath = QDir().absoluteFilePath(filepath);
    Comic comic;
    if (QFile(filepath).exists()) {
        comic.load(QImage(filepath));
    } else {
        qDebug() << "File does not exist:" << filepath;
    }

    QtQuick2ApplicationViewer viewer;
    viewer.engine()->addImageProvider("comicimageprovider", new ComicImageProvider(comic));
    QQmlContext* context = viewer.rootContext();
    context->setContextProperty("comic", &comic);
    viewer.setMainQmlFile(QStringLiteral("qml/quick/main.qml"));
    viewer.showExpanded();

    return app.exec();
}

int main(int argc, char *argv[]) {
	QGuiApplication app(argc, argv);

	Utility::registerTypes();
	qmlRegisterType<BarcodeObject>("KoboMan", 1, 0, "Barcode");
	qmlRegisterType<BarcodeScanner>("KoboMan", 1, 0, "BarcodeScanner");

	QtQuick2ApplicationViewer viewer;
#if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_NO_SDK)
	viewer.addImportPath(QStringLiteral("assets:/imports"));
#else
	viewer.addImportPath(QStringLiteral("imports"));
#endif
	qDebug() << viewer.engine()->importPathList();
	Utility::initialize(&viewer);
	Theme::initialize(Theme::androidHoloLight());
	BookListModel bookList;
	viewer.rootContext()->setContextProperty("BookList", &bookList);
	viewer.rootContext()->setContextProperty("Library", &Library::get());
	viewer.setMainQmlFile(QStringLiteral("qml/koboman/main.qml"));
	viewer.showExpanded();
	return app.exec();
}

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    //QQuickView viewer;
    QtQuick2ApplicationViewer viewer;
    viewer.connect(viewer.engine(),SIGNAL(quit()),
                   &viewer,SLOT(close()));
/*    调用本地Android java API实现通知栏     */
//    NotificationClient *notificationClient = new NotificationClient(&viewer);
//    viewer.engine()->rootContext()->setContextProperty(QLatin1String("notificationClient"),
//                                                     notificationClient);
//    viewer.engine()->rootContext()->setContextProperty(QLatin1String("mainview"),
//                                                       &viewer);

    //viewer.setVisibility(QWindow::FullScreen);
    //    viewer.setResizeMode(QQuickView::SizeRootObjectToView);
    //viewer.setSource(QUrl(QStringLiteral("qrc:/qml/NotifyTest/init.qml")));

    viewer.setMainQmlFile(QLatin1String("qml/NotifyTest/init.qml"));
    viewer.showExpanded();
    //viewer.showFullScreen();
    return app.exec();
}

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[])
{
    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();
}