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# complexwizard.h Example File
dialogs/complexwizard/complexwizard.h

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        ** This file is part of the documentation of the Qt Toolkit.
        **
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    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
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    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
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    ** not clear to you.
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        #ifndef COMPLEXWIZARD_H
        #define COMPLEXWIZARD_H

        #include <QDialog>
        #include <QList>

        class QHBoxLayout;
        class QPushButton;
        class QVBoxLayout;
        class WizardPage;

        class ComplexWizard : public QDialog
        {
            Q_OBJECT

        public:
            ComplexWizard(QWidget *parent = 0);

            QList<WizardPage *> historyPages() const { return history; }

        protected:
            void setFirstPage(WizardPage *page);

        private slots:
            void backButtonClicked();
            void nextButtonClicked();
            void completeStateChanged();

        private:
            void switchPage(WizardPage *oldPage);

            QList<WizardPage *> history;
            QPushButton *cancelButton;
            QPushButton *backButton;
            QPushButton *nextButton;
            QPushButton *finishButton;
            QHBoxLayout *buttonLayout;
            QVBoxLayout *mainLayout;
        };

        class WizardPage : public QWidget
        {
            Q_OBJECT

        public:
            WizardPage(QWidget *parent = 0);

            virtual void resetPage();
            virtual WizardPage *nextPage();
            virtual bool isLastPage();
            virtual bool isComplete();

        signals:
            void completeStateChanged();
        };

        #endif