Method widgetChanged

kdevplatform/shell/uicontroller.cpp:118–127

    }

    void widgetChanged(QWidget*, QWidget* now)
    {
        if (now) {
            auto* win = qobject_cast<Sublime::MainWindow*>(now->window());
            if( win )
            {
                activeSublimeWindow = win;
            }
        }
    }

    /**
     * Record the last active tool view action listener.