C++ QMenu::addSection方法代码示例

void MainWindow::setupMenu()
{
    //Setup menu
    menuBar = new QMenuBar(centralWidget());
    this->setMenuBar(menuBar);

    QMenu* fileMenu = new QMenu(tr("File"), menuBar);

    QAction *exitAction = new QAction(tr("Exit"), this);
    connect(exitAction, &QAction::triggered, this, &MainWindow::close);

    fileMenu->addAction(exitAction);

    // Profiles

    QMenu* profilesMenu = new QMenu(tr("Profiles"));

    QAction *backToMainPage = new QAction(tr("Back to main page"), this);
    connect(backToMainPage, &QAction::triggered, []() {
        SDK::ProfileManager::instance()->backToMainPage();
    });

    profilesMenu->addAction(backToMainPage);
    profilesMenu->addSection(tr("Profiles"));

    connect(profilesMenu, &QMenu::triggered, [=](QAction* action) {
        SDK::Profile* profile = SDK::ProfileManager::instance()->findById(action->data().toString());
        if(profile != NULL)
            SDK::ProfileManager::instance()->setActiveProfile(profile);
        else
            WARN() << qPrintable(QString("Can't load profile %1 from profiles menu!").arg(action->data().toString()));
    });

    connect(SDK::ProfileManager::instance(), &SDK::ProfileManager::profileChanged, [=](SDK::Profile* profile){
        for(QAction* action: profilesMenu->actions())
        {
            if(action->data().toString() == profile->getId())
            {
                action->setChecked(true);
                profilesMenu->setActiveAction(action);
            }
            else
            {
                action->setChecked(false);
            }
        }
    });

    for(const SDK::Profile* profile: SDK::ProfileManager::instance()->getProfiles())
    {
        if(!profile->hasFlag(SDK::Profile::HIDDEN))
        {
            QAction* loadProfile = new QAction(profile->getName(), profilesMenu);
            loadProfile->setData(profile->getId());
            loadProfile->setCheckable(true);
            loadProfile->setChecked(false);
            profilesMenu->addAction(loadProfile);
        }
    }

    // Video menu
    QMenu* videoMenu = new QMenu(tr("Video"), menuBar);

    QMenu* aspectRatioMenu = new QMenu(tr("Aspect ratio"), videoMenu);

    connect(aspectRatioMenu, &QMenu::triggered, [=](QAction* action){
        if(player())
            player()->setAspectRatio((SDK::AspectRatio) action->data().toInt());
        aspectRatioMenu->setActiveAction(action);
        for(QAction* a: aspectRatioMenu->actions())
        {
            a->setChecked(a == action && player());
        }

    });

    connect(aspectRatioMenu, &QMenu::aboutToShow, [=]{
        if(!player())
            return;

        SDK::AspectRatio current_ratio = player()->getAspectRatio();
        for(QAction* action: aspectRatioMenu->actions())
        {
            SDK::AspectRatio ratio = (SDK::AspectRatio) action->data().toInt();
            if(ratio == current_ratio)
            {
                action->setChecked(true);
            }
            else
            {
                action->setChecked(false);
            }
        }
    });

    QList<QPair<QString, SDK::AspectRatio>> ratios;
    ratios.append(QPair<QString, SDK::AspectRatio>(tr("Auto"),     SDK::ASPECT_RATIO_AUTO));
    ratios.append(QPair<QString, SDK::AspectRatio>(tr("1:1"),      SDK::ASPECT_RATIO_1_1));
    ratios.append(QPair<QString, SDK::AspectRatio>(tr("5:4"),      SDK::ASPECT_RATIO_5_4));
    ratios.append(QPair<QString, SDK::AspectRatio>(tr("4:3"),      SDK::ASPECT_RATIO_4_3));
//.........这里部分代码省略.........

void IdealDockWidget::contextMenuRequested(const QPoint &point)
{
    QWidget* senderWidget = qobject_cast<QWidget*>(sender());
    Q_ASSERT(senderWidget);

    QMenu menu;
    menu.addSection(windowIcon(), windowTitle());

    QList< QAction* > viewActions = m_view->contextMenuActions();
    if(!viewActions.isEmpty()) {
        menu.addActions(viewActions);
        menu.addSeparator();
    }

    ///TODO: can this be cleaned up?
    if(QToolBar* toolBar = widget()->findChild<QToolBar*>()) {
        menu.addAction(toolBar->toggleViewAction());
        menu.addSeparator();
    }

    /// start position menu
    QMenu* positionMenu = menu.addMenu(i18n("Toolview Position"));

    QActionGroup *g = new QActionGroup(this);

    QAction *left = new QAction(i18nc("toolview position", "Left"), g);
    QAction *bottom = new QAction(i18nc("toolview position", "Bottom"), g);
    QAction *right = new QAction(i18nc("toolview position", "Right"), g);
    QAction *detach = new QAction(i18nc("toolview position", "Detached"), g);

    for (auto action : {left, bottom, right, detach}) {
        positionMenu->addAction(action);
        action->setCheckable(true);
    }
    if (isFloating()) {
        detach->setChecked(true);
    } else if (m_docking_area == Qt::BottomDockWidgetArea)
        bottom->setChecked(true);
    else if (m_docking_area == Qt::LeftDockWidgetArea)
        left->setChecked(true);
    else if (m_docking_area == Qt::RightDockWidgetArea)
        right->setChecked(true);
    /// end position menu

    menu.addSeparator();

    QAction *setShortcut = menu.addAction(QIcon::fromTheme(QStringLiteral("configure-shortcuts")), i18n("Assign Shortcut..."));
    setShortcut->setToolTip(i18n("Use this shortcut to trigger visibility of the toolview."));

    menu.addSeparator();
    QAction* remove = menu.addAction(QIcon::fromTheme(QStringLiteral("dialog-close")), i18n("Remove Toolview"));

    QAction* triggered = menu.exec(senderWidget->mapToGlobal(point));

    if (triggered)
    {
        if ( triggered == remove ) {
            slotRemove();
            return;
        } else if ( triggered == setShortcut ) {
            QDialog* dialog(new QDialog(this));
            dialog->setWindowTitle(i18n("Assign Shortcut For '%1' Tool View", m_view->document()->title()));
            KShortcutWidget *w = new KShortcutWidget(dialog);
            w->setShortcut(m_controller->actionForView(m_view)->shortcuts());
            QVBoxLayout* dialogLayout = new QVBoxLayout(dialog);
            dialogLayout->addWidget(w);
            QDialogButtonBox* buttonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel );
            dialogLayout->addWidget(buttonBox);
            connect(buttonBox, &QDialogButtonBox::accepted, dialog, &QDialog::accept);
            connect(buttonBox, &QDialogButtonBox::rejected, dialog, &QDialog::reject);

            if (dialog->exec() == QDialog::Accepted) {
                m_controller->actionForView(m_view)->setShortcuts(w->shortcut());

                //save shortcut config
                KConfigGroup config = KSharedConfig::openConfig()->group("UI");
                QStringList shortcuts;
                shortcuts << w->shortcut().value(0).toString();
                shortcuts << w->shortcut().value(1).toString();
                config.writeEntry(QStringLiteral("Shortcut for %1").arg(m_view->document()->title()), shortcuts);
                config.sync();
            }
            delete dialog;

            return;
        } else if ( triggered == detach ) {
            setFloating(true);
            m_area->raiseToolView(m_view);
            return;
        }

        if (isFloating()) {
            setFloating(false);
        }

        Sublime::Position pos;
        if (triggered == left)
            pos = Sublime::Left;
        else if (triggered == bottom)
            pos = Sublime::Bottom;
//.........这里部分代码省略.........

void MainWindow::addCodecs()
{
    QMenu *codecMenu;
    QActionGroup *codecGroup;
    QAction *codecAction;

    //Set up Menu and action group
    codecMenu = new QMenu(tr("Set Saving Codec"), ui->menuFile);
    codecGroup = new QActionGroup(this);
    codecGroup->setExclusive(true);

    //Add codecs to menu and actionGroup
    codecAction = codecMenu->addAction(tr("Ask me (Windows)"));
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    //Set DIVX Standard
    codecAction = codecMenu->addAction("DivX");
    codecAction->setCheckable(true);
    codecAction->setChecked(true);
    setCodec(codecAction);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("FFV1 (FFMPEG Codec)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("HDYC (Raw YUV 4:2:2)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("HEVC (H.265)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("M4S2 (MPEG-4 v2)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("MJPG (Motion JPEG)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("MP2V (MPEG-2)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("MP4V (MPEG-4)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("MPEG (MPEG-1?)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addAction("PIM1 (MPEG-1)");
    codecAction->setCheckable(true);
    codecGroup->addAction(codecAction);

    codecAction = codecMenu->addSection(tr("For Videos"));
    codecAction = codecMenu->addAction(tr("Same as Videosource"));
    codecAction->setCheckable(true);
    codecAction->setChecked(true);
    useVideoCodec = true;

    //Connect and add to MenuBar
    connect(codecMenu, SIGNAL(triggered(QAction*)), this, SLOT(setCodec(QAction*)));
    ui->menuFile->insertMenu(ui->actionQuit,codecMenu);
}

void KateProjectTreeViewContextMenu::exec(const QString &filename, const QPoint &pos, QWidget *parent)
{
    /**
     * create context menu
     */
    QMenu menu;

    QAction *copyAction = menu.addAction(QIcon::fromTheme(QStringLiteral("edit-copy")), i18n("Copy Filename"));

    /**
     * handle "open with"
     * find correct mimetype to query for possible applications
     */
    QMenu *openWithMenu = menu.addMenu(i18n("Open With"));
    QMimeType mimeType = QMimeDatabase().mimeTypeForFile(filename);
    KService::List offers = KMimeTypeTrader::self()->query(mimeType.name(), QStringLiteral("Application"));

    /**
     * for each one, insert a menu item...
     */
    for (KService::List::Iterator it = offers.begin(); it != offers.end(); ++it) {
        KService::Ptr service = *it;
        if (service->name() == QStringLiteral("Kate")) {
            continue;    // omit Kate
        }
        QAction *action = openWithMenu->addAction(QIcon::fromTheme(service->icon()), service->name());
        action->setData(service->entryPath());
    }

    /**
     * perhaps disable menu, if no entries!
     */
    openWithMenu->setEnabled(!openWithMenu->isEmpty());

    KMoreToolsMenuFactory menuFactory(QLatin1String("kate/addons/project/git-tools"));

    QMenu gitMenu; // must live as long as the maybe filled menu items should live

    if (isGit(filename)) {

        menuFactory.fillMenuFromGroupingNames(&gitMenu, { QLatin1String("git-clients-and-actions") },
                                                               QUrl::fromLocalFile(filename));

        menu.addSection(i18n("Git:"));
        Q_FOREACH(auto action, gitMenu.actions()) {
            menu.addAction(action);
        }
    }

    /**
     * run menu and handle the triggered action
     */
    if (QAction *action = menu.exec(pos)) {

        // handle apps
        if (copyAction == action) {
            QApplication::clipboard()->setText(filename);
        } else {
            // handle "open with"
            const QString openWith = action->data().toString();
            if (KService::Ptr app = KService::serviceByDesktopPath(openWith)) {
                QList<QUrl> list;
                list << QUrl::fromLocalFile(filename);
                KRun::runService(*app, list, parent);
            }
        }
    }
}