Method dockLocationChanged

kdevplatform/sublime/idealcontroller.cpp:476–524

}

void IdealController::dockLocationChanged(Qt::DockWidgetArea area)
{
    auto* const dock = qobject_cast<IdealDockWidget*>(sender());
    Q_ASSERT(dock);

    // Seems since Qt 5.13 the signal QDockWidget::dockLocationChanged is emitted also when the dock changes
    // to be floating, with area = Qt::NoDockWidgetArea.
    if (area == Qt::NoDockWidgetArea) {
        qCDebug(SUBLIME) << "dock widget" << PrintDockWidget{dock} << "location changed to no area";
        return; // this case is handled in dockTopLevelChanged(true), so nothing to do here
    }

    const auto previousArea = dock->dockWidgetArea();

    if (previousArea == area) {
        // this event can happen even when dock changes its location within the same area
        // usecases:
        // 1) user drags to the same area
        // 2) user rearranges tool views inside the same area
        // 3) state restoration shows the dock widget
        qCDebug(SUBLIME) << "dock widget" << PrintDockWidget{dock} << "remains in" << area;
        return;
    }

    qCDebug(SUBLIME) << "dock widget" << PrintDockWidget{dock} << "location changed from" << previousArea << "to"
                     << area;

    auto* const view = dock->view();
    auto* const action = m_view_to_action.value(view);
    const auto isVisible = dock->isVisible();

    barForDockArea(previousArea)->removeAction(action);
    setShowDockStatus(previousArea, false);

    addBarWidgetAction(area, dock, view, isVisible);

    m_mainWindow->area()->setToolViewPosition(view, dockAreaToPosition(area));

    if (!isVisible) {
        return;
    }

    setShowDockStatus(area, true);

    // When the user moves a tool view via the Tool View Position submenu of its context menu, the dock widget
    // never becomes floating between the two dock widget areas. In this case, dockTopLevelChanged()
    // is not invoked and the moved tool view does not receive the focus. So focus it here.
    dock->setFocus(Qt::ShortcutFocusReason);
}

void IdealController::dockTopLevelChanged(bool topLevel)
{