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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 documentation 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 Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
int main(int argv, char **args)
{
QApplication app(argv, args);
QStateMachine machine;
//![0]
QState *s1 = new QState();
QState *s11 = new QState(s1);
QState *s12 = new QState(s1);
QState *s13 = new QState(s1);
s1->setInitialState(s11);
machine.addState(s1);
//![0]
//![2]
s12>addTransition(quitButton, SIGNAL(clicked()), s12);
//![2]
//![1]
QFinalState *s2 = new QFinalState();
s1->addTransition(quitButton, SIGNAL(clicked()), s2);
machine.addState(s2);
QObject::connect(&machine, SIGNAL(finished()), QApplication::instance(), SLOT(quit()));
//![1]
QButton *interruptButton = new QPushButton("Interrupt Button");
//![3]
QHistoryState *s1h = s1->addHistoryState();
QState *s3 = new QState();
s3->assignProperty(label, "text", "In s3");
QMessageBox mbox;
mbox.addButton(QMessageBox::Ok);
mbox.setText("Interrupted!");
mbox.setIcon(QMessageBox::Information);
QObject::connect(s3, SIGNAL(entered()), &mbox, SLOT(exec()));
s3->addTransition(s1h);
machine.addState(s3);
s1->addTransition(interruptButton, SIGNAL(clicked()), s3);
//![3]
return app.exec();
}
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