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

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#ifndef NODE_H
#define NODE_H

#include <QGraphicsItem>
#include <QList>
#include <stdint.h>

#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