Method move

graph_view.cpp:449–460

}

void MyGraphicsVexItem::move(QPointF position){
    QPointF displacement = position - (this->scenePos() + this->rect().center());
    this->setRect(QRectF(this->rect().x() + displacement.x(), this->rect().y() + displacement.y(), this->rect().width(), this->rect().height()));
    center = center + displacement;
    if(tag)
        tag->moveBy(displacement.x(), displacement.y());
    for(int i = 0; i < linesStartWith.size(); i++)
        linesStartWith[i]->moveStart(this);
    for(int i = 0; i < linesEndWith.size(); i++)
        linesEndWith[i]->moveEnd(this);
    nameTag->moveBy(displacement.x(), displacement.y());
}

void MyGraphicsVexItem::estConnection(MyGraphicsView* view){
    view->scene()->addItem(nameTag);