/******************************************************************************** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.**** This file is part of the example classes of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 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 GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef SIMPLEWIZARD_H#define SIMPLEWIZARD_H#include <QDialog>#include <QList>class QHBoxLayout;class QPushButton;class QVBoxLayout;class SimpleWizard : public QDialog{    Q_OBJECTpublic:    SimpleWizard(QWidget *parent = 0);    void setButtonEnabled(bool enable);protected:    virtual QWidget *createPage(int index) = 0;    void setNumPages(int n);private slots:    void backButtonClicked();    void nextButtonClicked();private:    void switchPage(QWidget *oldPage);    QList<QWidget *> history;    int numPages;    QPushButton *cancelButton;    QPushButton *backButton;    QPushButton *nextButton;    QPushButton *finishButton;    QHBoxLayout *buttonLayout;    QVBoxLayout *mainLayout;};#endif