Method toggleConcentrationMode

kdevplatform/sublime/mainwindow_p.cpp:156–197

}

void MainWindowPrivate::toggleConcentrationMode(bool concentrationModeOn)
{
    QWidget* cornerWidget = nullptr;
    if (m_concentrateToolBar) {
        QLayout* l = m_concentrateToolBar->layout();
        QLayoutItem* li = l->takeAt(1); //ensure the cornerWidget isn't destroyed with the toolbar
        if (li) {
            cornerWidget = li->widget();
            delete li;
        }

        m_concentrateToolBar->deleteLater();
    }

    m_mainWindow->menuBar()->setVisible(!concentrationModeOn);

    if (concentrationModeOn) {
        m_concentrateToolBar = new QToolBar(m_mainWindow);
        m_concentrateToolBar->setObjectName(QStringLiteral("concentrateToolBar"));
        m_concentrateToolBar->addAction(m_concentrationModeAction);
        m_concentrateToolBar->toggleViewAction()->setVisible(false);
        auto *action = new QWidgetAction(this);

        action->setDefaultWidget(m_mainWindow->menuBar()->cornerWidget(Qt::TopRightCorner));
        m_concentrateToolBar->addAction(action);
        m_concentrateToolBar->setMovable(false);

        m_mainWindow->addToolBar(Qt::TopToolBarArea, m_concentrateToolBar);
        m_mainWindow->menuBar()->setCornerWidget(nullptr, Qt::TopRightCorner);
    } else if (cornerWidget) {
        m_mainWindow->menuBar()->setCornerWidget(cornerWidget, Qt::TopRightCorner);
        cornerWidget->show();
    }

    if (concentrationModeOn) {
        idealController->hideToolBars();
        m_mainWindow->installEventFilter(this);
    } else {
        idealController->updateToolBarVisibility();
        m_mainWindow->removeEventFilter(this);
    }
}

bool MainWindowPrivate::eventFilter(QObject* obj, QEvent* event)
{