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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 QABSTRACTTRANSITION_H
#define QABSTRACTTRANSITION_H
#include <QtCore/qobject.h>
#include <QtCore/qlist.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef QT_NO_STATEMACHINE
class QEvent;
class QAbstractState;
class QState;
class QStateMachine;
#ifndef QT_NO_ANIMATION
class QAbstractAnimation;
#endif
class QAbstractTransitionPrivate;
class Q_CORE_EXPORT QAbstractTransition : public QObject
{
Q_OBJECT
Q_PROPERTY(QState* sourceState READ sourceState)
Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState)
Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates)
public:
QAbstractTransition(QState *sourceState = 0);
QAbstractTransition(const QList<QAbstractState*> &targets, QState *sourceState = 0);
virtual ~QAbstractTransition();
QState *sourceState() const;
QAbstractState *targetState() const;
void setTargetState(QAbstractState* target);
QList<QAbstractState*> targetStates() const;
void setTargetStates(const QList<QAbstractState*> &targets);
QStateMachine *machine() const;
#ifndef QT_NO_ANIMATION
void addAnimation(QAbstractAnimation *animation);
void removeAnimation(QAbstractAnimation *animation);
QList<QAbstractAnimation*> animations() const;
#endif
Q_SIGNALS:
#if !defined(Q_MOC_RUN) && !defined(qdoc)
private: // can only be emitted by QAbstractTransition
#endif
void triggered();
protected:
virtual bool eventTest(QEvent *event) = 0;
virtual void onTransition(QEvent *event) = 0;
bool event(QEvent *e);
protected:
QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent);
QAbstractTransition(QAbstractTransitionPrivate &dd,
const QList<QAbstractState*> &targets, QState *parent);
private:
Q_DISABLE_COPY(QAbstractTransition)
Q_DECLARE_PRIVATE(QAbstractTransition)
};
#endif //QT_NO_STATEMACHINE
QT_END_NAMESPACE
QT_END_HEADER
#endif
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