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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSANCHORLAYOUT_H
#define QGRAPHICSANCHORLAYOUT_H
#include <QtGui/qgraphicsitem.h>
#include <QtGui/qgraphicslayout.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
class QGraphicsAnchorLayoutPrivate;
class Q_GUI_EXPORT QGraphicsAnchorLayout : public QGraphicsLayout
{
public:
QGraphicsAnchorLayout(QGraphicsLayoutItem *parent = 0);
virtual ~QGraphicsAnchorLayout();
void addAnchor(QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge);
void addCornerAnchors(QGraphicsLayoutItem *firstItem, Qt::Corner firstCorner,
QGraphicsLayoutItem *secondItem, Qt::Corner secondCorner);
inline void addLeftAndRightAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem);
inline void addTopAndBottomAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem);
inline void addAllAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem);
void setAnchorSpacing(const QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
const QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge,
qreal spacing);
qreal anchorSpacing(const QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
const QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge) const;
void unsetAnchorSpacing(const QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
const QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge);
void removeAnchor(QGraphicsLayoutItem *firstItem, Qt::AnchorPoint firstEdge,
QGraphicsLayoutItem *secondItem, Qt::AnchorPoint secondEdge);
void setHorizontalSpacing(qreal spacing);
void setVerticalSpacing(qreal spacing);
void setSpacing(qreal spacing);
qreal horizontalSpacing() const;
qreal verticalSpacing() const;
void removeAt(int index);
void setGeometry(const QRectF &rect);
int count() const;
QGraphicsLayoutItem *itemAt(int index) const;
void invalidate();
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
private:
Q_DISABLE_COPY(QGraphicsAnchorLayout)
Q_DECLARE_PRIVATE(QGraphicsAnchorLayout)
};
void QGraphicsAnchorLayout::addLeftAndRightAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem)
{
addAnchor(secondItem, Qt::AnchorLeft, firstItem, Qt::AnchorLeft);
addAnchor(firstItem, Qt::AnchorRight, secondItem, Qt::AnchorRight);
}
void QGraphicsAnchorLayout::addTopAndBottomAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem)
{
addAnchor(secondItem, Qt::AnchorTop, firstItem, Qt::AnchorTop);
addAnchor(firstItem, Qt::AnchorBottom, secondItem, Qt::AnchorBottom);
}
void QGraphicsAnchorLayout::addAllAnchors(QGraphicsLayoutItem *firstItem,
QGraphicsLayoutItem *secondItem)
{
addLeftAndRightAnchors(firstItem, secondItem);
addTopAndBottomAnchors(firstItem, secondItem);
}
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
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