81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
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#ifndef ELECTRICCONNECTLINEITEM_H
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#define ELECTRICCONNECTLINEITEM_H
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#include <QPainterPath>
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#include "graphicsBaseItem.h"
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struct Connection
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{
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int nSrcNodeId;
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int nSrcPort;
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HandleType srcType;
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int nDestNodeId;
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int nDestPort;
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HandleType destType;
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Connection()
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{
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nSrcNodeId = -1;
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nSrcPort = -1;
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srcType = T_none;
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nDestNodeId = -1;
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nDestPort = -1;
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destType = T_none;
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}
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Connection(int nSNI,int nSP,HandleType sT,int nDNI,int nDP,HandleType dT)
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{
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nSrcNodeId = nSNI;
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nSrcPort = nSP;
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srcType = sT;
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nDestNodeId = nDNI;
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nDestPort = nDP;
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destType = dT;
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}
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bool operator==(Connection& obj)
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{
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return ((obj.nSrcNodeId == nSrcNodeId)&&(obj.nSrcPort == nSrcPort)&&(obj.srcType == srcType)&&(obj.nDestNodeId == nDestNodeId)&&(obj.nDestPort == nDestPort)&&(obj.destType == destType));
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}
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Connection& operator=(Connection& obj)
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{
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if(*this == obj)
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return *this;
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nSrcNodeId = obj.nSrcNodeId;
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nSrcPort = obj.nSrcPort;
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srcType = obj.srcType;
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nDestNodeId = obj.nDestNodeId;
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nDestPort = obj.nDestPort;
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destType = obj.destType;
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return *this;
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}
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};
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class ElectricConnectLineItem : public GraphicsBaseItem
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{
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public:
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ElectricConnectLineItem(QGraphicsItem *parent = 0);
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virtual ~ElectricConnectLineItem();
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void setStartPoint(const QPointF& p){m_pStart = p;}
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void setEndPoint(const QPointF& p){m_pEnd = p;}
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QPainterPath getPoints(void) const { return m_points; }
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void calculatePath();
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bool addConnection();
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void updateConnection(int callerId,QPointF pos); //外部调用的更新函数,id为调用者id
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void setConnection(Connection con){m_connectState = con;}
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protected:
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virtual QPainterPath shape();
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virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*);
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private:
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Connection m_connectState;
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QPainterPath m_points;
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QPointF m_pStart;
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QPointF m_pEnd;
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};
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#endif
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