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# qtimeline.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QTIMELINE_H
    00043 #define QTIMELINE_H
    00044
    00045 #include <QtCore/qeasingcurve.h>
    00046 #include <QtCore/qobject.h>
    00047
    00048 QT_BEGIN_HEADER
    00049
    00050 QT_BEGIN_NAMESPACE
    00051
    00052 QT_MODULE(Core)
    00053
    00054 class QTimeLinePrivate;
    00055 class Q_CORE_EXPORT QTimeLine : public QObject
    00056 {
    00057     Q_OBJECT
    00058     Q_PROPERTY(int duration READ duration WRITE setDuration)
    00059     Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)
    00060     Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
    00061     Q_PROPERTY(Direction direction READ direction WRITE setDirection)
    00062     Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
    00063     Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape)
    00064     Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve)
    00065 public:
    00066     enum State {
    00067         NotRunning,
    00068         Paused,
    00069         Running
    00070     };
    00071     enum Direction {
    00072         Forward,
    00073         Backward
    00074     };
    00075     enum CurveShape {
    00076         EaseInCurve,
    00077         EaseOutCurve,
    00078         EaseInOutCurve,
    00079         LinearCurve,
    00080         SineCurve,
    00081         CosineCurve
    00082     };
    00083
    00084     explicit QTimeLine(int duration = 1000, QObject *parent = 0);
    00085     virtual ~QTimeLine();
    00086
    00087     State state() const;
    00088
    00089     int loopCount() const;
    00090     void setLoopCount(int count);
    00091
    00092     Direction direction() const;
    00093     void setDirection(Direction direction);
    00094
    00095     int duration() const;
    00096     void setDuration(int duration);
    00097
    00098     int startFrame() const;
    00099     void setStartFrame(int frame);
    00100     int endFrame() const;
    00101     void setEndFrame(int frame);
    00102     void setFrameRange(int startFrame, int endFrame);
    00103
    00104     int updateInterval() const;
    00105     void setUpdateInterval(int interval);
    00106
    00107     CurveShape curveShape() const;
    00108     void setCurveShape(CurveShape shape);
    00109
    00110     QEasingCurve easingCurve() const;
    00111     void setEasingCurve(const QEasingCurve &curve);
    00112
    00113     int currentTime() const;
    00114     int currentFrame() const;
    00115     qreal currentValue() const;
    00116
    00117     int frameForTime(int msec) const;
    00118     virtual qreal valueForTime(int msec) const;
    00119
    00120 public Q_SLOTS:
    00121     void start();
    00122     void resume();
    00123     void stop();
    00124     void setPaused(bool paused);
    00125     void setCurrentTime(int msec);
    00126     void toggleDirection();
    00127
    00128 Q_SIGNALS:
    00129     void valueChanged(qreal x);
    00130     void frameChanged(int);
    00131     void stateChanged(QTimeLine::State newState);
    00132     void finished();
    00133
    00134 protected:
    00135     void timerEvent(QTimerEvent *event);
    00136
    00137 private:
    00138     Q_DISABLE_COPY(QTimeLine)
    00139     Q_DECLARE_PRIVATE(QTimeLine)
    00140 };
    00141
    00142 QT_END_NAMESPACE
    00143
    00144 QT_END_HEADER
    00145
    00146 #endif
    00147