TrackGrip.h

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/*
 * TrackGrip.h - Grip that can be used to move tracks
 *
 * Copyright (c) 2024- Michael Gregorius
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 of the License, 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.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_TRACK_GRIP_H
#define LMMS_GUI_TRACK_GRIP_H
 
#include <QWidget>
 
 
class QPixmap;
 
namespace lmms
{
 
namespace gui
{
 
class TrackView;
 
class TrackGrip : public QWidget
{
    Q_OBJECT
public:
    TrackGrip(TrackView* trackView, QWidget* parent = nullptr);
    ~TrackGrip() override = default;
 
signals:
    void grabbed();
    void released();
 
protected:
    void mousePressEvent(QMouseEvent*) override;
    void mouseReleaseEvent(QMouseEvent*) override;
    void paintEvent(QPaintEvent*) override;
 
private:
    TrackView* m_trackView = nullptr;
    bool m_isGrabbed = false;
    static QPixmap* s_grabbedPixmap;
    static QPixmap* s_releasedPixmap;
};
 
} // namespace gui
 
} // namespace lmms
 
#endif // LMMS_GUI_TRACK_GRIP_H