/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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** This file is part of the QtGui module of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. 
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef QSTACKEDLAYOUT_H
#define QSTACKEDLAYOUT_H

#include <QtGui/qlayout.h>

QT_BEGIN_HEADER

QT_MODULE(Gui)

class QStackedLayoutPrivate;

class Q_GUI_EXPORT QStackedLayout : public QLayout
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QStackedLayout)
    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
    QDOC_PROPERTY(int count READ count)

public:
    QStackedLayout();
    explicit QStackedLayout(QWidget *parent);
    explicit QStackedLayout(QLayout *parentLayout);
    ~QStackedLayout();

    int addWidget(QWidget *w);
    int insertWidget(int index, QWidget *w);

    QWidget *currentWidget() const;
    int currentIndex() const;
#ifdef Q_NO_USING_KEYWORD
    inline QWidget *widget() { return QLayout::widget(); }
#else
    using QLayout::widget;
#endif
    QWidget *widget(int) const;
    int count() const;

    // abstract virtual functions:
    void addItem(QLayoutItem *item);
    QSize sizeHint() const;
    QSize minimumSize() const;
    QLayoutItem *itemAt(int) const;
    QLayoutItem *takeAt(int);
    void setGeometry(const QRect &rect);

Q_SIGNALS:
    void widgetRemoved(int index);
    void currentChanged(int index);

public Q_SLOTS:
    void setCurrentIndex(int index);
    void setCurrentWidget(QWidget *w);

private:
    Q_DISABLE_COPY(QStackedLayout)
};

QT_END_HEADER

#endif // QSTACKEDLAYOUT_H
