Method selectedVex

graph_view.cpp:226–228

}

MyGraphicsVexItem* MyGraphicsView::selectedVex(){
    return selItem ? (selItem->type() == QGraphicsItem::UserType + 1 ? (MyGraphicsVexItem*)selItem : nullptr) : nullptr;
}

MyGraphicsLineItem* MyGraphicsView::selectedArc(){
    return selItem ? (selItem->type() == QGraphicsItem::UserType + 2 ? (MyGraphicsLineItem*)selItem : nullptr) : nullptr;