108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/*
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* @file ModulePortGraphicsItem.cpp
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* @brief 模块端口
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*/
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#include <QPainter>
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#include <QGradient>
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#include <QtDebug>
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#include <QGraphicsSceneMouseEvent>
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#include "ModulePortGraphicsItem.h"
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using namespace pai::graphics2d;
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ModulePortGraphicsItem::ModulePortGraphicsItem(pai::graphics2d::PaiModuleStyle* pStyle,
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const QPointF& center,qreal radius,
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PortDirection portDirection) :
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m_pStyle(pStyle),
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m_center(center),
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m_diameter(radius),
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m_selected(false),
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m_OnHovering(false),
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m_light(false),
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m_PortDirection(portDirection)
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{
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m_path.addEllipse(center, radius / 2, radius / 2);
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}
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ModulePortGraphicsItem::~ModulePortGraphicsItem()
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{
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// TODO Auto-generated destructor stub
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}
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QRectF ModulePortGraphicsItem::boundingRect() const
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{
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//暂时采用场景坐标
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const int hostSpot = 3;
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return QRectF(m_center.x() - m_diameter / 2 - hostSpot, m_center.y()
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- m_diameter / 2 - hostSpot, m_diameter + 2 * hostSpot, m_diameter + 2 * hostSpot);
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}
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void ModulePortGraphicsItem::paint(QPainter *pPainter, const QStyleOptionGraphicsItem */*pOption*/, QWidget */*pWidget*/)
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{
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pPainter->save();
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pai::graphics2d::PaiModuleStyle::STATUS eStatus = pai::graphics2d::PaiModuleStyle::Normal;
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if (m_selected || m_light)//选中的优先级最高，无论什么状态，选中的绘制都一样
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{
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eStatus = pai::graphics2d::PaiModuleStyle::Selected;
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}
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else
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{
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if (m_OnHovering)
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{
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eStatus = pai::graphics2d::PaiModuleStyle::MouseOn;
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}
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}
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QRadialGradient radialGrad(m_center, m_diameter / 2 - 1, QPointF(m_center.x(), m_center.y()));
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QColor beginColor;
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QColor endColor;
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if(m_pStyle != NULL)
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{
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m_pStyle->GetPortColor(eStatus, beginColor, endColor);
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}
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radialGrad.setColorAt(0, beginColor);
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radialGrad.setColorAt(1, endColor);
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QColor marginColor;
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if(m_pStyle != NULL)
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{
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m_pStyle->GetPortMarginColor(eStatus, marginColor);
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}
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//开始绘制
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QBrush oldBrush = pPainter->brush();
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QPen oldPen = pPainter->pen();
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QBrush brush(radialGrad);
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QPen pen(marginColor);
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pen.setWidth(1.0);
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pPainter->setBrush(brush);
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pPainter->setPen(pen);
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pPainter->drawPath(m_path);
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pPainter->setPen(oldPen);
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pPainter->setBrush(oldBrush);
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pPainter->restore();
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}
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void ModulePortGraphicsItem::SetPortSelected(bool selected)
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{
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m_selected = selected;
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}
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void ModulePortGraphicsItem::hoverEnterEvent(QGraphicsSceneHoverEvent */*pEvent*/)
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{
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m_OnHovering = true;
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}
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void ModulePortGraphicsItem::hoverLeaveEvent(QGraphicsSceneHoverEvent */*pEvent*/)
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{
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m_OnHovering = false;
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}
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void ModulePortGraphicsItem::mouseReleaseEvent(QGraphicsSceneMouseEvent */*pEvent*/)
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{
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m_selected = !m_selected;
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}
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