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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTIMELINE_H
#define QTIMELINE_H
#include <QtCore/qobject.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
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)
Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape)
public:
enum State {
NotRunning,
Paused,
Running
};
enum Direction {
Forward,
Backward
};
enum CurveShape {
EaseInCurve,
EaseOutCurve,
EaseInOutCurve,
LinearCurve,
SineCurve,
CosineCurve
};
explicit QTimeLine(int duration = 1000, QObject *parent = 0);
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);
CurveShape curveShape() const;
void setCurveShape(CurveShape shape);
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);
void frameChanged(int);
void stateChanged(QTimeLine::State newState);
void finished();
protected:
void timerEvent(QTimerEvent *event);
private:
Q_DISABLE_COPY(QTimeLine)
Q_DECLARE_PRIVATE(QTimeLine)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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