Method Shell

shell/shell.cpp:183–319

};

Shell::Shell(const QString &serializedOptions)
    : KParts::MainWindow()
    , m_menuBarWasShown(true)
    , m_toolBarWasShown(true)
    , m_isValid(true)
{
    setObjectName(QStringLiteral("okular::Shell#"));
    setContextMenuPolicy(Qt::NoContextMenu);
    // otherwise .rc file won't be found by unit test
    setComponentName(QStringLiteral("okular"), QString());
    // set the shell's ui resource file
    setXMLFile(QStringLiteral("shell.rc"));
    m_fileformatsscanned = false;
    m_showMenuBarAction = nullptr;
    // this routine will find and load our Part.  it finds the Part by
    // name which is a bad idea usually.. but it's alright in this
    // case since our Part is made for this Shell

    const auto result = KPluginFactory::loadFactory(KPluginMetaData(QStringLiteral("kf6/parts/okularpart")));

    if (!result) {
        // if we couldn't find our Part, we exit since the Shell by
        // itself can't do anything useful
        m_isValid = false;
        KMessageBox::error(this, i18n("Unable to find the Okular component: %1", result.errorString));
        return;
    } else {
        m_partFactory = result.plugin;
    }

    // now that the Part plugin is loaded, create the part
    KParts::ReadWritePart *const firstPart = m_partFactory->create<KParts::ReadWritePart>(this);
    if (firstPart) {
        // Setup the central widget
        m_centralStackedWidget = new ResizableStackedWidget();
        setCentralWidget(m_centralStackedWidget);

        // Setup the welcome screen
        m_welcomeScreen = new WelcomeScreen(this);
        connect(m_welcomeScreen, &WelcomeScreen::openClicked, this, &Shell::fileOpen);
        connect(m_welcomeScreen, &WelcomeScreen::closeClicked, this, &Shell::hideWelcomeScreen);
        connect(m_welcomeScreen, &WelcomeScreen::recentItemClicked, this, [this](const QUrl &url) { openUrl(url); });
        connect(m_welcomeScreen, &WelcomeScreen::forgetRecentItem, this, &Shell::forgetRecentItem);
        m_centralStackedWidget->addWidget(m_welcomeScreen);

        m_welcomeScreen->installEventFilter(this);

        // Setup tab bar
        m_tabWidget = new QTabWidget(this);
        m_tabWidget->setTabsClosable(true);
        m_tabWidget->setElideMode(Qt::ElideRight);
        m_tabWidget->tabBar()->hide();
        m_tabWidget->setDocumentMode(true);
        m_tabWidget->setMovable(true);

        m_tabWidget->setAcceptDrops(true);
        m_tabWidget->tabBar()->installEventFilter(this);