Ejemplos de QGraphicsWidget::installEventFilter en C++ (Cpp)

Ejemplo n.º 1

Archivo: qdeclarativeloader.cpp Proyecto: wpbest/copperspice

void QDeclarativeLoaderPrivate::initResize()
{
    Q_Q(QDeclarativeLoader);
    if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(item)) {
        QDeclarativeItemPrivate *p =
                static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem));
        p->addItemChangeListener(this, QDeclarativeItemPrivate::Geometry);
        // We may override the item's size, so we need to remember
        // whether the item provided its own valid size.
        itemWidthValid = p->widthValid;
        itemHeightValid = p->heightValid;
    } else if (item && item->isWidget()) {
        QGraphicsWidget *widget = static_cast<QGraphicsWidget*>(item);
        widget->installEventFilter(q);
    }
    _q_updateSize();
}