/****************************************************************************

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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** This file is part of the Qt3Support module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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

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** In addition, as a special exception, Nokia gives you certain additional

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** If you have questions regarding the use of this file, please contact

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****************************************************************************/

#ifndef Q3WIDGETSTACK_H

#define Q3WIDGETSTACK_H

#include <Qt3Support/q3frame.h>

#include <Qt3Support/q3intdict.h>

#include <Qt3Support/q3ptrdict.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

class Q3WidgetStackPrivate;

class Q_COMPAT_EXPORT Q3WidgetStack: public Q3Frame

{

    Q_OBJECT

public:

    Q3WidgetStack(QWidget* parent, const char* name=0, Qt::WindowFlags f=0);

    ~Q3WidgetStack();

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

    void removeWidget(QWidget *);

    QSize sizeHint() const;

    QSize minimumSizeHint() const;

    void setVisible(bool visible);

    QWidget * widget(int) const;

    int id(QWidget *) const;

    QWidget * visibleWidget() const;

    void setFrameRect(const QRect &);

Q_SIGNALS:

    void aboutToShow(int);

    void aboutToShow(QWidget *);

public Q_SLOTS:

    void raiseWidget(int);

    void raiseWidget(QWidget *);

protected:

    void frameChanged();

    void resizeEvent(QResizeEvent *);

    bool event(QEvent* e);

    virtual void setChildGeometries();

    void childEvent(QChildEvent *);

private:

    void init();

    Q3WidgetStackPrivate * d;

    Q3IntDict<QWidget> * dict;

    Q3PtrDict<QWidget> * focusWidgets;

    QWidget * topWidget;

    QWidget * invisible;

    Q_DISABLE_COPY(Q3WidgetStack)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3WIDGETSTACK_H