RetroShare/retroshare-gui/src/gui/elastic/node.h

121 lines
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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 example classes of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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
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** GNU General Public License Usage
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** packaging of this file. Please review the following information to
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#ifndef NODE_H
#define NODE_H
#include <QApplication>
#if QT_VERSION >= 0x040600
#include <QGraphicsObject>
#else
#include <QGraphicsItem>
#endif
#include <QList>
#include "graphwidget.h"
class Edge;
QT_BEGIN_NAMESPACE
class QGraphicsSceneMouseEvent;
QT_END_NAMESPACE
#if QT_VERSION >= 0x040600
class Node : public QGraphicsObject
#else
class Node : public QObject, public QGraphicsItem
#endif
{
Q_OBJECT
public:
Node(const std::string& node_string,GraphWidget::NodeType type,GraphWidget::AuthType auth,GraphWidget *graphWidget,const std::string& ssl_id,const std::string& gpg_id);
void addEdge(Edge *edge);
const QList<Edge *>& edges() const;
int type() const { return Type; }
const std::string& idString() const { return _gpg_id ; }
void calculateForces(const double *data,int width,int height,int W,int H,float x,float y,float speedf);
bool advance();
QRectF boundingRect() const;
QPainterPath shape() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
int n_edges() const { return edgeList.size() ; }
protected:
virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *) ;
protected slots:
void denyFriend() ;
void makeFriend() ;
void peerDetails() ;
private:
QList<Edge *> edgeList;
QPointF newPos;
GraphWidget *graph;
qreal _speedx,_speedy;
int _steps ;
std::string _desc_string ;
GraphWidget::NodeType _type ;
GraphWidget::AuthType _auth ;
bool mDeterminedBB ;
int mBBWidth ;
static Node *_selected_node ;
std::string _ssl_id ;
std::string _gpg_id ;
static const float MASS_FACTOR = 10 ;
static const float FRICTION_FACTOR = 10.8 ;
static const float REPULSION_FACTOR = 4 ;
static const float NODE_DISTANCE = 130.0 ;
};
#endif