Files
lmms/include/Timeline.h
2023-12-16 14:19:36 +00:00

83 lines
2.3 KiB
C++

/*
* Timeline.h
*
* Copyright (c) 2023 Dominic Clark
*
* 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_TIMELINE_H
#define LMMS_TIMELINE_H
#include <QObject>
#include "JournallingObject.h"
#include "TimePos.h"
namespace lmms {
class Timeline : public QObject, public JournallingObject
{
Q_OBJECT
public:
enum class StopBehaviour
{
BackToZero,
BackToStart,
KeepPosition
};
auto loopBegin() const -> TimePos { return m_loopBegin; }
auto loopEnd() const -> TimePos { return m_loopEnd; }
auto loopEnabled() const -> bool { return m_loopEnabled; }
void setLoopBegin(TimePos begin);
void setLoopEnd(TimePos end);
void setLoopPoints(TimePos begin, TimePos end);
void setLoopEnabled(bool enabled);
auto playStartPosition() const -> TimePos { return m_playStartPosition; }
auto stopBehaviour() const -> StopBehaviour { return m_stopBehaviour; }
void setPlayStartPosition(TimePos position) { m_playStartPosition = position; }
void setStopBehaviour(StopBehaviour behaviour);
auto nodeName() const -> QString override { return "timeline"; }
signals:
void loopEnabledChanged(bool enabled);
void stopBehaviourChanged(lmms::Timeline::StopBehaviour behaviour);
protected:
void saveSettings(QDomDocument& doc, QDomElement& element) override;
void loadSettings(const QDomElement& element) override;
private:
TimePos m_loopBegin = TimePos{0};
TimePos m_loopEnd = TimePos{DefaultTicksPerBar};
bool m_loopEnabled = false;
StopBehaviour m_stopBehaviour = StopBehaviour::BackToStart;
TimePos m_playStartPosition = TimePos{-1};
};
} // namespace lmms
#endif // LMMS_TIMELINE_H