C++ (Cpp) QGraphicsObject::setParentItem 예제들

예제 #1

파일: GraphicsItems.cpp 프로젝트: Anto-F/OpenStudio

QGraphicsObject * GridLayoutItem::createNewItemView(int i)
{
  if( m_listController && m_delegate )
  {
    QSharedPointer<OSListItem> itemData = m_listController->itemAt(i);

    OS_ASSERT(itemData);

    QGraphicsObject * graphicsItem = m_delegate->view(itemData);

    OS_ASSERT(graphicsItem);

    graphicsItem->setParentItem(this);

    m_widgetItemPairs.insert( std::make_pair(graphicsItem,itemData) );

    connect(graphicsItem, &QGraphicsObject::destroyed, this, &GridLayoutItem::removePair);

    return graphicsItem;
  }
  else
  {
    return nullptr;
  }
}

예제 #2

파일: qdeclarativeitemsmodule.cpp 프로젝트: maxxant/qt

static QDeclarativePrivate::AutoParentResult qgraphicsobject_autoParent(QObject *obj, QObject *parent)
{
    QGraphicsObject* gobj = qobject_cast<QGraphicsObject*>(obj);
    if (!gobj)
        return QDeclarativePrivate::IncompatibleObject;

    QGraphicsObject* gparent = qobject_cast<QGraphicsObject*>(parent);
    if (!gparent)
        return QDeclarativePrivate::IncompatibleParent;

    gobj->setParentItem(gparent);
    return QDeclarativePrivate::Parented;
}