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

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[])
{
    QApplication app(argc, argv);
    QByteArray applicationName;
    applicationName = QFileInfo(QCoreApplication::applicationFilePath()).fileName().toUtf8();
    qputenv("APP_ID", applicationName);

    qmlRegisterType<WhiteListItem>("Ubuntu.Checkbox", 0, 1, "WhiteListItem");
    qmlRegisterType<TestItem>("Ubuntu.Checkbox", 0, 1, "TestItem");

    QtQuick2ApplicationViewer viewer;

    // Create our GuiEngine and hang it on QGuiApplication
    GuiEngine guiengine((QObject*)&app);

    // Register the applicationName with the QML runtime
    viewer.rootContext()->setContextProperty("applicationName", applicationName);

    // Register the GuiEngine with the QML runtime
    viewer.rootContext()->setContextProperty("guiEngine", &guiengine);

    // Initialise - connect to Plainbox
    guiengine.Initialise();


    // WhiteList Item Model Factory and placeholder model registered with QML engine
    WhiteListModelFactory whitelistfactory;
    viewer.rootContext()->setContextProperty("whitelistitemFactory",&whitelistfactory);

    /* We need a placeholder object here or the QML integration is unhappy
     * that this isnt a recognisable Qt object.
     */
    ListModel* whitelistmodel = new ListModel(new WhiteListItem, qApp);
    if (!whitelistmodel) {
        // Essentially we are likely out of memory here
        qDebug("Cannot create whitelist model");
        exit(1);
    }

    viewer.rootContext()->setContextProperty("whiteListModel", whitelistmodel);



    // Test Item Model Factory and placeholder model registered with QML engine
    TestItemModel testitemFactory;
    viewer.rootContext()->setContextProperty("testitemFactory",&testitemFactory);

    /* We need a placeholder object here or the QML integration is unhappy
     * that this isnt a recognisable Qt object.
     */
    ListModel* testlistmodel = new ListModel(new TestItem, qApp); //CreateTestListModel();
    if (!testlistmodel) {
        // Essentially we are likely out of memory here
        qDebug("Cannot create testlist model");
        exit(1);
    }

    viewer.rootContext()->setContextProperty("testListModel", testlistmodel);



    // We may not need this at all
    CommandTool cmdTool;
    viewer.rootContext()->setContextProperty("cmdTool", &cmdTool);



     // In the beginning, lets see if we need to resume
    bool resumeSession = false;

    QString previous = guiengine.GuiPreviousSessionFile();
     if ( previous.isEmpty() ) {
         // Show the Welcome screen
     } else {
          // show the resume screen
         qDebug() << "Resume session file : " << previous;

         resumeSession = true;
     }

    viewer.rootContext()->setContextProperty("resumePreviousSession",resumeSession);



    // Now, load the main page
    viewer.setMainQmlFile(QStringLiteral("../share/checkbox-gui/qml/checkbox-gui.qml"));

    viewer.setTitle(app.tr("System Testing"));

    // Ensure a reasonable minimum size for this window
    viewer.setMinimumSize(QSize(800,600));

    viewer.showExpanded();

    int errcode = app.exec();

    // Shutdown the guiengine
    guiengine.Shutdown();

    return errcode;
//.........这里部分代码省略.........