clickdragreleaseitem.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2011-03-04
 * Description : A simple item to click, drag and release
 *
 * Copyright (C) 2010-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_CLICK_DRAG_RELEASE_ITEM_H
#define DIGIKAM_CLICK_DRAG_RELEASE_ITEM_H
 
// Qt includes
 
#include <QGraphicsObject>
 
// Local includes
 
#include "digikam_export.h"
 
namespace Digikam
{
 
class DIGIKAM_EXPORT ClickDragReleaseItem : public QGraphicsObject      // clazy:exclude=ctor-missing-parent-argument
{
    Q_OBJECT
 
public:
 
    explicit ClickDragReleaseItem(QGraphicsItem* const parent);
    ~ClickDragReleaseItem()                                          override;
 
    QRectF boundingRect() const                                      override;
    void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
 
Q_SIGNALS:
 
    void started(const QPointF& pos);
    void moving(const QRectF& rect);
    void finished(const QRectF& rect);
    void cancelled();
 
protected:
 
    void mousePressEvent(QGraphicsSceneMouseEvent*)                  override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent*)                   override;
    void mouseReleaseEvent(QGraphicsSceneMouseEvent*)                override;
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent*)            override;
    void hoverMoveEvent(QGraphicsSceneHoverEvent*)                   override;
    void keyPressEvent(QKeyEvent*)                                   override;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_CLICK_DRAG_RELEASE_ITEM_H