Renamed views_qtwidgets/ into qtwidgets/views/

As there will be some files that are specific to QtWidgets and
but aren't views

src/qtwidgets/views/TabBar_qtwidgets.h

@@ -0,0 +1,57 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019-2022 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#pragma once
+
+#include "View_qtwidgets.h"
+#include "views/TabBar.h"
+
+#include <QTabBar>
+
+QT_BEGIN_NAMESPACE
+class QMouseEvent;
+QT_END_NAMESPACE
+
+namespace KDDockWidgets::Controllers {
+class TabBar;
+class DockWidget;
+}
+
+namespace KDDockWidgets::Views {
+
+class DOCKS_EXPORT TabBar_qtwidgets : public View_qtwidgets<QTabBar>, public TabBar
+{
+    Q_OBJECT
+public:
+    explicit TabBar_qtwidgets(Controllers::TabBar *controller, QWidget *parent = nullptr);
+
+    Controllers::TabBar *tabBar() const;
+
+    Controllers::DockWidget *currentDockWidget() const override;
+
+    QString text(int index) const override;
+    QRect rectForTab(int index) const override;
+    void moveTabTo(int from, int to) override;
+
+    bool tabsAreMovable() const override;
+    int tabAt(QPoint localPos) const override;
+
+protected:
+    void mousePressEvent(QMouseEvent *) override;
+    void mouseMoveEvent(QMouseEvent *e) override;
+    void mouseDoubleClickEvent(QMouseEvent *e) override;
+    bool event(QEvent *) override;
+
+private:
+    Controllers::TabBar *const m_controller;
+};
+
+}