/*!
From QGraphicsLayout.
Clears the parentLayoutItem of removed item.
*/
void HbListLayout::removeAt(int index)
{
QGraphicsLayoutItem *item = itemAt(index);
if ( item ) {
d->mItems.removeAt(index);
item->setParentLayoutItem(0);
invalidate();
}
}
/*!
Destroys the QGraphicsGridLayout object.
*/
QGraphicsGridLayout::~QGraphicsGridLayout()
{
for (int i = count() - 1; i >= 0; --i) {
QGraphicsLayoutItem *item = itemAt(i);
// The following lines can be removed, but this removes the item
// from the layout more efficiently than the implementation of
// ~QGraphicsLayoutItem.
removeAt(i);
if (item) {
item->setParentLayoutItem(0);
if (item->ownedByLayout())
delete item;
}
}
}
/*!
Removes the layout item at \a index without destroying it. Ownership of
the item is transferred to the caller.
Removing an item will also remove any of the anchors associated with it.
\sa itemAt(), count()
*/
void QGraphicsAnchorLayout::removeAt(int index)
{
Q_D(QGraphicsAnchorLayout);
QGraphicsLayoutItem *item = d->items.value(index);
if (!item)
return;
// Removing an item affects both horizontal and vertical graphs
d->removeCenterConstraints(item, QGraphicsAnchorLayoutPrivate::Horizontal);
d->removeCenterConstraints(item, QGraphicsAnchorLayoutPrivate::Vertical);
d->removeAnchors(item);
d->items.remove(index);
item->setParentLayoutItem(0);
invalidate();
}