/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 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 1.1, 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 have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QANIMATION_H #define QANIMATION_H #include <QtCore/qeasingcurve.h> #include <QtCore/qabstractanimation.h> #include <QtCore/qvector.h> #include <QtCore/qvariant.h> #include <QtCore/qpair.h> QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Core) #ifndef QT_NO_ANIMATION class QVariantAnimationPrivate; class Q_CORE_EXPORT QVariantAnimation : public QAbstractAnimation { Q_OBJECT Q_PROPERTY(QVariant startValue READ startValue WRITE setStartValue) Q_PROPERTY(QVariant endValue READ endValue WRITE setEndValue) Q_PROPERTY(QVariant currentValue READ currentValue NOTIFY valueChanged) Q_PROPERTY(int duration READ duration WRITE setDuration) Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) public: typedef QPair<qreal, QVariant> KeyValue; typedef QVector<KeyValue> KeyValues; QVariantAnimation(QObject *parent = 0); ~QVariantAnimation(); QVariant startValue() const; void setStartValue(const QVariant &value); QVariant endValue() const; void setEndValue(const QVariant &value); QVariant keyValueAt(qreal step) const; void setKeyValueAt(qreal step, const QVariant &value); KeyValues keyValues() const; void setKeyValues(const KeyValues &values); QVariant currentValue() const; int duration() const; void setDuration(int msecs); QEasingCurve easingCurve() const; void setEasingCurve(const QEasingCurve &easing); typedef QVariant (*Interpolator)(const void *from, const void *to, qreal progress); Q_SIGNALS: void valueChanged(const QVariant &value); protected: QVariantAnimation(QVariantAnimationPrivate &dd, QObject *parent = 0); bool event(QEvent *event); void updateCurrentTime(int); void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); virtual void updateCurrentValue(const QVariant &value) = 0; virtual QVariant interpolated(const QVariant &from, const QVariant &to, qreal progress) const; private: template <typename T> friend void qRegisterAnimationInterpolator(QVariant (*func)(const T &, const T &, qreal)); static void registerInterpolator(Interpolator func, int interpolationType); Q_DISABLE_COPY(QVariantAnimation) Q_DECLARE_PRIVATE(QVariantAnimation) }; template <typename T> void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress)) { QVariantAnimation::registerInterpolator(reinterpret_cast<QVariantAnimation::Interpolator>(func), qMetaTypeId<T>()); } #endif //QT_NO_ANIMATION QT_END_NAMESPACE QT_END_HEADER #endif //QANIMATION_H