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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 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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSTATE_H
#define QSTATE_H
#ifndef QT_STATEMACHINE_SOLUTION
#include <QtCore/qactionstate.h>
#else
#include "qactionstate.h"
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class QAbstractTransition;
class QHistoryState;
class QSignalTransition;
class QStateFinishedTransition;
class QStatePrivate;
class Q_CORE_EXPORT QState : public QActionState
{
Q_OBJECT
public:
enum Type {
Normal,
ParallelGroup
};
enum HistoryType {
ShallowHistory,
DeepHistory
};
QState(QState *parent = 0);
QState(Type type, QState *parent = 0);
~QState();
QAbstractState *errorState() const;
void setErrorState(QAbstractState *state);
void addTransition(QAbstractTransition *transition);
QSignalTransition *addTransition(QObject *sender, const char *signal, QAbstractState *target);
QAbstractTransition *addTransition(QAbstractState *target);
QStateFinishedTransition *addFinishedTransition(QAbstractState *target);
void removeTransition(QAbstractTransition *transition);
QList<QAbstractTransition*> transitions() const;
QHistoryState *addHistoryState(HistoryType type = ShallowHistory);
QAbstractState *initialState() const;
void setInitialState(QAbstractState *state);
protected:
void onEntry();
void onExit();
bool event(QEvent *e);
protected:
QState(QStatePrivate &dd, QState *parent);
private:
Q_DISABLE_COPY(QState)
Q_DECLARE_PRIVATE(QState)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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