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Added Qt Elastic Example into NetworkView code.

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works quite well!



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@392 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2008-03-20 23:49:12 +00:00
parent 5c75ee5ead
commit 6451e4ebe2
9 changed files with 959 additions and 155 deletions
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92
retroshare-gui/src/gui/elastic/node.h Normal file
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/****************************************************************************
**
** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** In addition, as a special exception, Trolltech, as the sole copyright
** holder for Qt Designer, grants users of the Qt/Eclipse Integration
** plug-in the right for the Qt/Eclipse Integration to link to
** functionality provided by Qt Designer and its related libraries.
**
** Trolltech reserves all rights not expressly granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef NODE_H
#define NODE_H
#include <QGraphicsItem>
#include <QList>
#include <string>
#define ELASTIC_NODE_TYPE_OWN 1
#define ELASTIC_NODE_TYPE_FRIEND 2
#define ELASTIC_NODE_TYPE_FOF 3
class Edge;
class GraphWidget;
class QGraphicsSceneMouseEvent;
class Node : public QGraphicsItem
{
public:
Node(GraphWidget *graphWidget, uint32_t t, std::string id_in, std::string n);
void addEdge(Edge *edge);
QList<Edge *> edges() const;
enum { Type = UserType + 1 };
int type() const { return Type; }
void calculateForces();
bool advance();
QRectF boundingRect() const;
//QPainterPath shape() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
QList<Edge *> edgeList;
QPointF newPos;
GraphWidget *graph;
/* extra information */
uint32_t ntype; /* Ourself, friend, fof */
std::string id;
std::string name;
bool mDeterminedBB;
uint32_t mBBWidth;
};
#endif