106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
#ifndef ELECTRICCONNECTLINEITEM_H
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#define ELECTRICCONNECTLINEITEM_H
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#include <QPainterPath>
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#include <QUuid>
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#include "graphicsBaseItem.h"
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struct Connection
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{
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QUuid nSrcNodeId;
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QUuid nSrcPortId;
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HandleType srcType;
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PortPos srcPos;
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QUuid nDestNodeId;
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QUuid nDestPortId;
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HandleType destType;
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PortPos destPos;
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Connection()
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{
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srcType = T_none;
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srcPos = P_top;
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destType = T_none;
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destPos = P_top;
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}
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Connection(const Connection& obj)
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{
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nSrcNodeId = obj.nSrcNodeId;
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nSrcPortId = obj.nSrcPortId;
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srcType = obj.srcType;
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srcPos = obj.srcPos;
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nDestNodeId = obj.nDestNodeId;
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nDestPortId = obj.nDestPortId;
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destType = obj.destType;
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destPos = obj.destPos;
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}
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Connection(QUuid nSNI,QUuid nSPI,HandleType sT,PortPos sPOS,QUuid nDNI,QUuid nDPI,HandleType dT,PortPos dPOS)
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{
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nSrcNodeId = nSNI;
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nSrcPortId = nSPI;
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srcType = sT;
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srcPos = sPOS;
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nDestNodeId = nDNI;
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nDestPortId = nDPI;
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destType = dT;
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destPos = dPOS;
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}
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bool operator==(const Connection& obj)
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{
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return ((obj.nSrcNodeId == nSrcNodeId)&&(obj.nSrcPortId == nSrcPortId)&&(obj.srcType == srcType)&&(obj.nDestNodeId == nDestNodeId)&&(obj.nDestPortId == nDestPortId)&&(obj.destType == destType));
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}
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Connection& operator=(const 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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nSrcPortId = obj.nSrcPortId;
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srcType = obj.srcType;
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srcPos = obj.srcPos;
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nDestNodeId = obj.nDestNodeId;
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nDestPortId = obj.nDestPortId;
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destType = obj.destType;
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destPos = obj.destPos;
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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);
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void setEndPoint(const QPointF& p);
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QPainterPath getPoints(void) const { return m_points; }
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void moveLine(QPointF); //鼠标点击拖动
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void calculatePath();
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bool addConnection();
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void resetCurLine(){_curLine = QPoint();}
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//void updateConnection(QUuid 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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Connection getConnection() const {return m_connectState;}
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//QUuid getOppositeId(QUuid); //获取另一端点id
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protected:
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virtual QPainterPath shape() const override;
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virtual QRectF boundingRect() const override;
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virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
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private:
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Connection m_connectState;
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QPainterPath m_points;
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QPainterPath m_pointsBoundingRect; //包裹点的矩形集合
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QList<QPointF> m_lstPoints;
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QPoint _curLine; //参数1用点序号表示的当前线段起始点,参数2表示线段方向
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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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