/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech AS. All rights reserved.
**
** This file is part of the QtGui module 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 QSTACKEDLAYOUT_H
#define QSTACKEDLAYOUT_H

#include <QtGui/qlayout.h>

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)
};

#endif // QSTACKEDLAYOUT_H
