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

**

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

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** Contact: Nokia Corporation (qt-info@nokia.com)

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

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** No Commercial Usage

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

** You may use this file in accordance with the terms and conditions

** 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

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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

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** $QT_END_LICENSE$

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

#ifndef QGRAPHICSLAYOUT_H

#define QGRAPHICSLAYOUT_H

#include <QtGui/qgraphicslayoutitem.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

class QGraphicsLayoutPrivate;

class QGraphicsLayoutItem;

class QGraphicsWidget;

class Q_GUI_EXPORT QGraphicsLayout : public QGraphicsLayoutItem

{

public:

    QGraphicsLayout(QGraphicsLayoutItem *parent = 0);

    ~QGraphicsLayout();

    void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);

    void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;

    void activate();

    bool isActivated() const;

    virtual void invalidate();

    virtual void updateGeometry();

    virtual void widgetEvent(QEvent *e);

    virtual int count() const = 0;

    virtual QGraphicsLayoutItem *itemAt(int i) const = 0;

    virtual void removeAt(int index) = 0;

protected:

    QGraphicsLayout(QGraphicsLayoutPrivate &, QGraphicsLayoutItem *);

    void addChildLayoutItem(QGraphicsLayoutItem *layoutItem);

private:

    Q_DISABLE_COPY(QGraphicsLayout)

    Q_DECLARE_PRIVATE(QGraphicsLayout)

    friend class QGraphicsWidget;

};

Q_DECLARE_INTERFACE(QGraphicsLayout, "com.trolltech.Qt.QGraphicsLayout")

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif