diff -r 000000000000 -r 1918ee327afb examples/graphicsview/elasticnodes/edge.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/graphicsview/elasticnodes/edge.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** 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 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 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 EDGE_H
+#define EDGE_H
+
+#include <QGraphicsItem>
+
+class Node;
+
+class Edge : public QGraphicsItem
+{
+public:
+    Edge(Node *sourceNode, Node *destNode);
+    ~Edge();
+
+    Node *sourceNode() const;
+    void setSourceNode(Node *node);
+
+    Node *destNode() const;
+    void setDestNode(Node *node);
+
+    void adjust();
+
+    enum { Type = UserType + 2 };
+    int type() const { return Type; }
+    
+protected:
+    QRectF boundingRect() const;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    
+private:
+    Node *source, *dest;
+
+    QPointF sourcePoint;
+    QPointF destPoint;
+    qreal arrowSize;
+};
+
+#endif