Gui: remove unused MDITabbar and MainWindowTabBar classes

src/Gui/MainWindow.cpp

@@ -300,86 +300,6 @@ struct MainWindowP
     void restoreWindowState(const QByteArray &);
 };
 
-class MDITabbar : public QTabBar
-{
-public:
-    explicit MDITabbar( QWidget * parent = nullptr ) : QTabBar(parent)
-    {
-        menu = new QMenu(this);
-        setDrawBase(false);
-        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
-    }
-
-    ~MDITabbar() override
-    {
-        delete menu;
-    }
-
-protected:
-    void contextMenuEvent ( QContextMenuEvent * e ) override
-    {
-        menu->clear();
-        CommandManager& cMgr = Application::Instance->commandManager();
-        if (tabRect(currentIndex()).contains(e->pos()))
-            cMgr.getCommandByName("Std_CloseActiveWindow")->addTo(menu);
-        cMgr.getCommandByName("Std_CloseAllWindows")->addTo(menu);
-        menu->addSeparator();
-        cMgr.getCommandByName("Std_CascadeWindows")->addTo(menu);
-        cMgr.getCommandByName("Std_TileWindows")->addTo(menu);
-        menu->addSeparator();
-        cMgr.getCommandByName("Std_Windows")->addTo(menu);
-        menu->popup(e->globalPos());
-    }
-
-private:
-    QMenu* menu;
-};
-
-#if defined(Q_OS_WIN32)
-class MainWindowTabBar : public QTabBar
-{
-public:
-    MainWindowTabBar(QWidget *parent) : QTabBar(parent)
-    {
-        setExpanding(false);
-    }
-protected:
-    bool event(QEvent *e)
-    {
-        // show the tooltip if tab is too small to fit label
-        if (e->type() != QEvent::ToolTip)
-            return QTabBar::event(e);
-        QSize size = this->size();
-        QSize hint = sizeHint();
-        if (shape() == QTabBar::RoundedWest || shape() == QTabBar::RoundedEast) {
-            size.transpose();
-            hint.transpose();
-        }
-        if (size.width() < hint.width())
-            return QTabBar::event(e);
-        e->accept();
-        return true;
-    }
-    void tabInserted (int index)
-    {
-        // get all dock windows
-        QList<QDockWidget*> dw = getMainWindow()->findChildren<QDockWidget*>();
-        for (QList<QDockWidget*>::iterator it = dw.begin(); it != dw.end(); ++it) {
-            // compare tab text and window title to get the right dock window
-            if (this->tabText(index) == (*it)->windowTitle()) {
-                QWidget* dock = (*it)->widget();
-                if (dock) {
-                    QIcon icon = dock->windowIcon();
-                    if (!icon.isNull())
-                        setTabIcon(index, icon);
-                }
-                break;
-            }
-        }
-    }
-};
-#endif
-
 } // namespace Gui
 
 /* TRANSLATOR Gui::MainWindow */