Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef WINDOW_H
++ #define WINDOW_H
++
++ #include <QGraphicsWidget>
++
++ //! [0]
++ class Window : public QGraphicsWidget
++ {
++ Q_OBJECT
++ public:
++ Window(QGraphicsWidget *parent = nullptr);
++
++ };
++ //! [0]
++
++ #endif //WINDOW_H
++