Esempio n. 1
0
HelpViewer *HelpPlugin::createHelpViewer(qreal zoom)
{
    // check for backends
    typedef std::function<HelpViewer *()> ViewerFactory;
    typedef QPair<QByteArray, ViewerFactory>  ViewerFactoryItem; // id -> factory
    QVector<ViewerFactoryItem> factories;
#ifndef QT_NO_WEBKIT
    factories.append(qMakePair(QByteArray("qtwebkit"), []() { return new QtWebKitHelpViewer(); }));
#endif
#ifdef QTC_WEBENGINE_HELPVIEWER
    factories.append(qMakePair(QByteArray("qtwebengine"), []() { return new WebEngineHelpViewer(); }));
#endif
    factories.append(qMakePair(QByteArray("textbrowser"), []() { return new TextBrowserHelpViewer(); }));

#ifdef QTC_MAC_NATIVE_HELPVIEWER
    // default setting
#ifdef QTC_MAC_NATIVE_HELPVIEWER_DEFAULT
     factories.prepend(qMakePair(QByteArray("native"), []() { return new MacWebKitHelpViewer(); }));
#else
     factories.append(qMakePair(QByteArray("native"), []() { return new MacWebKitHelpViewer(); }));
#endif
#endif

    HelpViewer *viewer = nullptr;

    // check requested backend
    const QByteArray backend = qgetenv("QTC_HELPVIEWER_BACKEND");
    if (!backend.isEmpty()) {
        const int pos = Utils::indexOf(factories, [backend](const ViewerFactoryItem &item) {
            return backend == item.first;
        });
        if (pos == -1) {
            qWarning("Help viewer backend \"%s\" not found, using default.", backend.constData());
        } else {
            viewer  = factories.at(pos).second();
        }
    }

    if (!viewer)
        viewer = factories.first().second();
    QTC_ASSERT(viewer, return nullptr);

    // initialize font
    viewer->setViewerFont(LocalHelpManager::fallbackFont());
    connect(LocalHelpManager::instance(), &LocalHelpManager::fallbackFontChanged,
            viewer, &HelpViewer::setViewerFont);

    // initialize zoom
    viewer->setScale(zoom);

    // add find support
    Aggregation::Aggregate *agg = new Aggregation::Aggregate();
    agg->add(viewer);
    agg->add(new HelpViewerFindSupport(viewer));

    return viewer;
}
Esempio n. 2
0
HelpViewer *HelpPlugin::createHelpViewer(qreal zoom)
{
    // check for backends
    typedef std::function<HelpViewer *()> ViewerFactory;
    QHash<QString, ViewerFactory> factories; // id -> factory
#ifdef QTC_MAC_NATIVE_HELPVIEWER
    factories.insert(QLatin1String("native"), []() { return new MacWebKitHelpViewer(); });
#endif
#ifndef QT_NO_WEBKIT
    factories.insert(QLatin1String("qtwebkit"), []() { return new QtWebKitHelpViewer(); });
#endif
    factories.insert(QLatin1String("textbrowser"), []() { return new TextBrowserHelpViewer(); });

    ViewerFactory factory;
    // check requested backend
    const QString backend = QLatin1String(qgetenv("QTC_HELPVIEWER_BACKEND"));
    if (!backend.isEmpty()) {
        factory = factories.value(backend);
        if (!factory)
            qWarning("Help viewer backend \"%s\" not found, using default.", qPrintable(backend));
    }
    // default setting
#ifdef QTC_MAC_NATIVE_HELPVIEWER_DEFAULT
    if (!factory)
        factory = factories.value(QLatin1String("native"));
#endif
    if (!factory)
        factory = factories.value(QLatin1String("qtwebkit"));
    if (!factory)
        factory = factories.value(QLatin1String("textbrowser"));

    QTC_ASSERT(factory, return 0);
    HelpViewer *viewer = factory();

    // initialize font
    viewer->setViewerFont(LocalHelpManager::fallbackFont());
    connect(LocalHelpManager::instance(), &LocalHelpManager::fallbackFontChanged,
            viewer, &HelpViewer::setViewerFont);

    // initialize zoom
    viewer->setScale(zoom);

    // add find support
    Aggregation::Aggregate *agg = new Aggregation::Aggregate();
    agg->add(viewer);
    agg->add(new HelpViewerFindSupport(viewer));

    return viewer;
}
Esempio n. 3
0
HelpViewer *HelpPlugin::createHelpViewer(qreal zoom)
{
    // check for backends
    typedef std::function<HelpViewer *()> ViewerFactory;
    QHash<QString, ViewerFactory> factories; // id -> factory
#ifdef QTC_MAC_NATIVE_HELPVIEWER
    factories.insert(QLatin1String("native"), []() { return new MacWebKitHelpViewer(); });
#endif
#ifndef QT_NO_WEBKIT
    factories.insert(QLatin1String("qtwebkit"), []() { return new QtWebKitHelpViewer(); });
#endif
    factories.insert(QLatin1String("textbrowser"), []() { return new TextBrowserHelpViewer(); });

    ViewerFactory factory;
    // TODO: Visual Studio < 2013 has a bug in std::function's operator bool, which in this case
    // leads to succeeding boolean checks on factory which should not succeed.
    // So we may not check against "if (!factory)"
    bool factoryFound = false;

    // check requested backend
    const QString backend = QLatin1String(qgetenv("QTC_HELPVIEWER_BACKEND"));
    if (!backend.isEmpty()) {
        if (!factories.contains(backend)) {
            qWarning("Help viewer backend \"%s\" not found, using default.", qPrintable(backend));
        } else {
            factory = factories.value(backend);
            factoryFound = true;
        }
    }
    // default setting
#ifdef QTC_MAC_NATIVE_HELPVIEWER_DEFAULT
    if (!factoryFound && factories.contains(QLatin1String("native"))) {
        factory = factories.value(QLatin1String("native"));
        factoryFound = true;
    }
#endif
    if (!factoryFound && factories.contains(QLatin1String("qtwebkit"))) {
        factory = factories.value(QLatin1String("qtwebkit"));
        factoryFound = true;
    }
    if (!factoryFound && factories.contains(QLatin1String("textbrowser"))) {
        factory = factories.value(QLatin1String("textbrowser"));
        factoryFound = true;
    }
    QTC_ASSERT(factoryFound, return 0);
    HelpViewer *viewer = factory();

    // initialize font
    QVariant fontSetting = LocalHelpManager::engineFontSettings();
    if (fontSetting.isValid())
        viewer->setViewerFont(fontSetting.value<QFont>());

    // initialize zoom
    viewer->setScale(zoom);

    // add find support
    Aggregation::Aggregate *agg = new Aggregation::Aggregate();
    agg->add(viewer);
    agg->add(new HelpViewerFindSupport(viewer));

    return viewer;
}