Method paint

tools/monitor/Edge.cpp:60–80

}

void
Monitor::Edge::paint(QPainter *painter,const QStyleOptionGraphicsItem *,QWidget *)
{
  if (pubSub_) {
    QPen pen;
    pen.setWidth(3);
    painter->setPen(pen);
  }

  int x1 = parent_->scenePos().x() + parent_->boundingRect().width() - 2;
  int y1 = parent_->scenePos().y() + parent_->boundingRect().height() - 2;
  int x2 = child_->scenePos().x() + 2;
  int y2 = child_->scenePos().y() + 2;

  QLine line;
  line.setLine(x1, y1, x2, y2);

  painter->drawLine(line);

  update();
}