Method setHover

graph_view.cpp:298–303

}

void MyGraphicsView::setHover(bool in){
    if(in)
        mouseState |= ON_HOVER;
    else
        mouseState &= ~ON_HOVER;
}

void MyGraphicsView::setSel(QGraphicsItem *sel){
    int state = SEL | (sel->type() - QGraphicsItem::UserType);