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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QTIMELINE_H
#define QTIMELINE_H
#include <QtCore/qglobal.h>
QT_REQUIRE_CONFIG(easingcurve);
#include <QtCore/qeasingcurve.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QTimeLinePrivate;
class Q_CORE_EXPORT QTimeLine : public QObject
{
Q_OBJECT
Q_PROPERTY(int duration READ duration WRITE setDuration)
Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)
Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
Q_PROPERTY(Direction direction READ direction WRITE setDirection)
Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
#if QT_DEPRECATED_SINCE(5, 15)
Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape)
#endif
Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve)
public:
enum State {
NotRunning,
Paused,
Running
};
enum Direction {
Forward,
Backward
};
#if QT_DEPRECATED_SINCE(5, 15)
enum CurveShape {
EaseInCurve,
EaseOutCurve,
EaseInOutCurve,
LinearCurve,
SineCurve,
CosineCurve
};
#endif
explicit QTimeLine(int duration = 1000, QObject *parent = nullptr);
virtual ~QTimeLine();
State state() const;
int loopCount() const;
void setLoopCount(int count);
Direction direction() const;
void setDirection(Direction direction);
int duration() const;
void setDuration(int duration);
int startFrame() const;
void setStartFrame(int frame);
int endFrame() const;
void setEndFrame(int frame);
void setFrameRange(int startFrame, int endFrame);
int updateInterval() const;
void setUpdateInterval(int interval);
#if QT_DEPRECATED_SINCE(5, 15)
QT_DEPRECATED_X("Access easingCurve directly")
CurveShape curveShape() const;
QT_DEPRECATED_X("Access easingCurve directly")
void setCurveShape(CurveShape shape);
#endif
QEasingCurve easingCurve() const;
void setEasingCurve(const QEasingCurve &curve);
int currentTime() const;
int currentFrame() const;
qreal currentValue() const;
int frameForTime(int msec) const;
virtual qreal valueForTime(int msec) const;
public Q_SLOTS:
void start();
void resume();
void stop();
void setPaused(bool paused);
void setCurrentTime(int msec);
void toggleDirection();
Q_SIGNALS:
void valueChanged(qreal x, QPrivateSignal);
void frameChanged(int, QPrivateSignal);
void stateChanged(QTimeLine::State newState, QPrivateSignal);
void finished(QPrivateSignal);
protected:
void timerEvent(QTimerEvent *event) override;
private:
Q_DISABLE_COPY(QTimeLine)
Q_DECLARE_PRIVATE(QTimeLine)
};
QT_END_NAMESPACE
#endif
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