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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTTRANSITION_H
#define QABSTRACTTRANSITION_H
#include <QtCore/qobject.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class QEvent;
class QAbstractState;
class QState;
class QAbstractTransitionPrivate;
class Q_CORE_EXPORT QAbstractTransition : public QObject
{
Q_OBJECT
Q_PROPERTY(QState* source READ sourceState)
Q_PROPERTY(QAbstractState* target READ targetState WRITE setTargetState)
Q_PROPERTY(QList<QAbstractState*> targets 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);
protected:
virtual bool eventTest(QEvent *event) const = 0;
virtual void onTransition() = 0;
bool event(QEvent *e);
protected:
#ifdef QT_STATEMACHINE_SOLUTION
QAbstractTransitionPrivate *d_ptr;
#endif
QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent);
QAbstractTransition(QAbstractTransitionPrivate &dd,
const QList<QAbstractState*> &targets, QState *parent);
private:
Q_DISABLE_COPY(QAbstractTransition)
Q_DECLARE_PRIVATE(QAbstractTransition)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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