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

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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
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** GNU Lesser General Public License Usage
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** 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
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** additional rights. These rights are described in the Nokia Qt LGPL
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** GNU General Public License Usage
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** General Public License version 3.0 as published by the Free Software
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#ifndef GRAPHWIDGET_H
#define GRAPHWIDGET_H
#include <QtGui/QGraphicsView>
class Node;
class GraphWidget : public QGraphicsView
{
Q_OBJECT
public:
GraphWidget(QWidget * = NULL);
typedef int NodeId ;
typedef int EdgeId ;
typedef enum {
ELASTIC_NODE_FLAG_OWN = 0x0001,
ELASTIC_NODE_FLAG_FRIEND = 0x0002,
ELASTIC_NODE_FLAG_AUTHED = 0x0004,
ELASTIC_NODE_FLAG_MARGINALAUTH = 0x0008
} NodeFlags ;
virtual void itemMoved();
NodeId addNode(const std::string& NodeText,uint32_t flags) ;
EdgeId addEdge(NodeId n1,NodeId n2) ;
void clearGraph() ;
protected:
void keyPressEvent(QKeyEvent *event);
void timerEvent(QTimerEvent *event);
void wheelEvent(QWheelEvent *event);
void drawBackground(QPainter *painter, const QRectF &rect);
void scaleView(qreal scaleFactor);
private:
int timerId;
//Node *centerNode;
bool mDeterminedBB ;
std::vector<Node *> _nodes ;
std::vector<Node *> _edges ;
};
#endif