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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef RULER_H
#define RULER_H
#include "TimelineItem.h"
class Ruler : public TimelineItem
{
Q_OBJECT
signals:
void rulerClicked(const double &pos);
public:
explicit Ruler(TimelineItem *parent = nullptr);
void setTimelineScale(int scl);
long distanceToTime(double distance) const;
double timeToDistance(long time) const;
double timelineScale() const;
long duration() const;
long maxDuration() const;
void setDuration(long duration);
void setMaxDuration(long maxDuration);
void setViewportX(int viewportX);
int viewportX() const;
int type() const override;
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
signals:
void maxDurationChanged(long maxDuration);
void viewportXChanged(int viewportX);
private:
const QString formatTime(double seconds);
double m_timeScale = 1.;
long m_duration = 0; // milliseconds
long m_maxDuration = 0; // milliseconds
int m_viewportX = 0;
};
#endif // RULER_H
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