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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui/qgraphicslayout.h>
class FlowLayout : public QGraphicsLayout
{
public:
FlowLayout();
inline void addItem(QGraphicsLayoutItem *item);
void insertItem(int index, QGraphicsLayoutItem *item);
void setSpacing(Qt::Orientations o, qreal spacing);
qreal spacing(Qt::Orientation o) const;
// inherited functions
void setGeometry(const QRectF &geom);
int count() const;
QGraphicsLayoutItem *itemAt(int index) const;
void removeAt(int index);
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
private:
qreal doLayout(const QRectF &geom, bool applyNewGeometry);
QSizeF minSize(const QSizeF &constraint) const;
QSizeF prefSize() const;
QSizeF maxSize() const;
QList<QGraphicsLayoutItem*> m_items;
qreal m_spacing[2];
};
inline void FlowLayout::addItem(QGraphicsLayoutItem *item)
{
insertItem(-1, item);
}
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