qtimeline.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtCore module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ** Qt for Windows(R) Licensees
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- ****************************************************************************/
- #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