valentina_old/tools/vgraphicspoint.cpp

40 lines
1.3 KiB
C++

#include "vgraphicspoint.h"
#include "options.h"
VGraphicsPoint::VGraphicsPoint(QGraphicsItem *parent): QGraphicsEllipseItem(parent),
radius(toPixel(1.5)), namePoint(0), lineName(0){
//namePoint = new VGraphicsSimpleTextItem(this);
lineName = new QGraphicsLineItem(this);
this->setPen(QPen(Qt::black, widthHairLine));
this->setBrush(QBrush(Qt::NoBrush));
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
this->setAcceptHoverEvents(true);
}
VGraphicsPoint::~VGraphicsPoint(){
}
void VGraphicsPoint::RefreshLine(){
QRectF nameRec = namePoint->sceneBoundingRect();
QPointF p1, p2;
LineIntersectCircle(QPointF(), radius, QLineF(QPointF(), nameRec.center()- scenePos()), p1, p2);
QPointF pRec = LineIntersectRect(nameRec, QLineF(scenePos(), nameRec.center()));
lineName->setLine(QLineF(p1, pRec - scenePos()));
if(QLineF(p1, pRec - scenePos()).length() <= toPixel(4)){
lineName->setVisible(false);
} else {
lineName->setVisible(true);
}
}
void VGraphicsPoint::hoverMoveEvent(QGraphicsSceneHoverEvent *event){
Q_UNUSED(event);
this->setPen(QPen(Qt::black, widthMainLine));
}
void VGraphicsPoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event){
Q_UNUSED(event);
this->setPen(QPen(Qt::black, widthHairLine));
}