58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
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#include "graphicsItem/electricConnectLineItem.h"
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#include <QGraphicsScene>
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#include <QPainter>
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ElectricConnectLineItem::ElectricConnectLineItem(QGraphicsItem *parent)
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: GraphicsBaseItem(parent)
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{
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m_pen = QPen(Qt::black);
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m_brush = QBrush(Qt::NoBrush);
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setHandleVisible(false);
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setFunctionHandleIfShow(false);
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setFunctionHandleEnaable(false);
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}
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ElectricConnectLineItem::~ElectricConnectLineItem()
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{
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}
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QPainterPath ElectricConnectLineItem::shape()
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{
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QPainterPath path;
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path.addPath(m_points);
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path.closeSubpath(); //将路径闭合
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return path;
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}
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void ElectricConnectLineItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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painter->setPen(m_pen);
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painter->setBrush(m_brush);
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painter->drawPath(m_points);
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}
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void ElectricConnectLineItem::calculatePath()
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{
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prepareGeometryChange();
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m_points.clear();
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m_points.moveTo(m_pStart);
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m_points.lineTo(m_pEnd.x(),m_pStart.y());
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m_points.lineTo(m_pEnd);
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}
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void ElectricConnectLineItem::updateConnection(int callerId,QPointF pos)
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{
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qDebug()<<pos;
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if(callerId == m_connectState.nSrcNodeId)
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setStartPoint(pos);
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else if(callerId == m_connectState.nDestNodeId)
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setEndPoint(pos);
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else
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qDebug()<<"ConnectLine update err";
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calculatePath();
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}
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