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# qwidgetstack.h

This is the verbatim text of the qwidgetstack.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id:  qt/qwidgetstack.h   3.0.0   edited Sep 21 17:17 $
    **
    ** Definition of QWidgetStack class
    **
    ** Created : 980306
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the widgets module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** 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.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QWIDGETSTACK_H
    #define QWIDGETSTACK_H

    #ifndef QT_H
    #include "qframe.h"
    #include "qintdict.h"
    #include "qptrdict.h"
    #endif // QT_H

    #ifndef QT_NO_WIDGETSTACK

    class QWidgetStackPrivate;

    class Q_EXPORT QWidgetStack: public QFrame
    {
        Q_OBJECT
    public:
        QWidgetStack( QWidget* parent=0, const char* name=0 );

        ~QWidgetStack();

        int addWidget( QWidget *, int = -1 );
        void removeWidget( QWidget * );

        QSize sizeHint() const;
        QSize minimumSizeHint() const;
        void show();

        QWidget * widget( int ) const;
        int id( QWidget * ) const;

        QWidget * visibleWidget() const;

        void setFrameRect( const QRect & );

    signals:
        void aboutToShow( int );
        void aboutToShow( QWidget * );

    public slots:
        void raiseWidget( int );
        void raiseWidget( QWidget * );

    protected:
        void frameChanged();
        void resizeEvent( QResizeEvent * );

        virtual void setChildGeometries();
        void childEvent( QChildEvent * );

    private:
        bool isMyChild( QWidget * );

        QWidgetStackPrivate * d;
        QIntDict<QWidget> * dict;
        QPtrDict<QWidget> * focusWidgets;
        QWidget * topWidget;
        QWidget * invisible;

    private:	// Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QWidgetStack( const QWidgetStack & );
        QWidgetStack& operator=( const QWidgetStack & );
    #endif
    };

    #endif // QT_NO_WIDGETSTACK

    #endif // QWIDGETSTACK_H