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fixed force calculation in elastic model. Still need to figure out what connexions we show
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3690 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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9 changed files with 941 additions and 1014 deletions
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/****************************************************************************
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**
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** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** In addition, as a special exception, Trolltech gives you certain
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** additional rights. These rights are described in the Trolltech GPL
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** Exception version 1.0, which can be found at
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** http://www.trolltech.com/products/qt/gplexception/ and in the file
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** GPL_EXCEPTION.txt in this package.
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**
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** In addition, as a special exception, Trolltech, as the sole copyright
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** holder for Qt Designer, grants users of the Qt/Eclipse Integration
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** plug-in the right for the Qt/Eclipse Integration to link to
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** functionality provided by Qt Designer and its related libraries.
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**
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** Trolltech reserves all rights not expressly granted herein.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef NODE_H
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#define NODE_H
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#include <QGraphicsItem>
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#include <stdint.h>
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#define ELASTIC_NODE_TYPE_OWN 1
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#define ELASTIC_NODE_TYPE_FRIEND 2
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#define ELASTIC_NODE_TYPE_AUTHED 3
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#define ELASTIC_NODE_TYPE_MARGINALAUTH 4
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#define ELASTIC_NODE_TYPE_FOF 5
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class Edge;
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class Arrow;
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class GraphWidget;
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class QGraphicsSceneMouseEvent;
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class Node : public QObject, public QGraphicsItem
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{
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Q_OBJECT
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public:
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Node(GraphWidget *graphWidget, uint32_t t, std::string id_in, std::string n);
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void addEdge(Edge *edge);
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QList<Edge *> edges() const;
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void addArrow(Arrow *arrow);
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QList<Arrow *> arrows() const;
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enum { Type = UserType + 1 };
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int type() const { return Type; }
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void calculateForces();
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bool advance();
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QRectF boundingRect() const;
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//QPainterPath shape() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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public slots:
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void peerdetails();
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protected:
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QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
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private:
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QList<Edge *> edgeList;
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QList<Arrow *> arrowList;
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QPointF newPos;
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GraphWidget *graph;
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/* extra information */
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uint32_t ntype; /* Ourself, friend, fof */
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std::string id;
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std::string name;
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bool mDeterminedBB;
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uint32_t mBBWidth;
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};
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#endif
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at qt-sales@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef NODE_H
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#define NODE_H
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#include <QGraphicsItem>
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#include <QList>
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#include "graphwidget.h"
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class Edge;
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QT_BEGIN_NAMESPACE
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class QGraphicsSceneMouseEvent;
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QT_END_NAMESPACE
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class Node : public QGraphicsItem
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{
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public:
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Node(const std::string& node_string,uint32_t flags,GraphWidget *graphWidget);
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void addEdge(Edge *edge);
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QList<Edge *> edges() const;
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int type() const { return Type; }
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void calculateForces(const double *data,int width,int height,int W,int H,float x,float y,float speedf);
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bool advance();
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QRectF boundingRect() const;
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QPainterPath shape() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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protected:
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virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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private:
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QList<Edge *> edgeList;
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QPointF newPos;
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GraphWidget *graph;
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qreal _speedx,_speedy;
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int _steps ;
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std::string _desc_string ;
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uint32_t _flags ;
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bool mDeterminedBB ;
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int mBBWidth ;
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static const float MASS_FACTOR = 10 ;
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static const float FRICTION_FACTOR = 6.8 ;
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static const float REPULSION_FACTOR = 4 ;
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static const float NODE_DISTANCE = 130.0 ;
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};
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#endif
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