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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 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 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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