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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 BINDABLE bindableDuration)
Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval
BINDABLE bindableUpdateInterval)
Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime BINDABLE bindableCurrentTime)
Q_PROPERTY(Direction direction READ direction WRITE setDirection BINDABLE bindableDirection)
Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount BINDABLE bindableLoopCount)
Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve
BINDABLE bindableEasingCurve)
public:
enum State {
NotRunning,
Paused,
Running
};
enum Direction {
Forward,
Backward
};
explicit QTimeLine(int duration = 1000, QObject *parent = nullptr);
virtual ~QTimeLine();
State state() const;
int loopCount() const;
void setLoopCount(int count);
QBindable<int> bindableLoopCount();
Direction direction() const;
void setDirection(Direction direction);
QBindable<Direction> bindableDirection();
int duration() const;
void setDuration(int duration);
QBindable<int> bindableDuration();
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);
QBindable<int> bindableUpdateInterval();
QEasingCurve easingCurve() const;
void setEasingCurve(const QEasingCurve &curve);
QBindable<QEasingCurve> bindableEasingCurve();
int currentTime() const;
QBindable<int> bindableCurrentTime();
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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