/*!
Calculates the smallest item height by taking the minimum of all items preferred heights.
*/
qreal HbListLayoutPrivate::calculateSmallestItemHeight() const
{
qreal smallestHeight(0);
if (uniformSizedItems()) {
QGraphicsLayoutItem *firstItem = mItems.value(0);
if (firstItem) {
smallestHeight = firstItem->preferredHeight();
}
} else {
int itemCount = mItems.count();
if (itemCount > 0) {
smallestHeight = mItems.first()->preferredHeight();
}
for (int i = 1; i < itemCount; ++i) {
smallestHeight = qMin(smallestHeight, mItems.at(i)->preferredHeight());
}
}
return smallestHeight;
}
/*!
From QGraphicsLayout.
*/
void HbListLayout::setGeometry( const QRectF &rect )
{
QGraphicsLayout::setGeometry(rect);
QRectF effectiveRect = geometry();
// TODO: Apply margins?
//qreal left, top, right, bottom;
//getContentsMargins(&left, &top, &right, &bottom);
//effectiveRect.adjust(+left, +top, -right, -bottom);
qreal y = effectiveRect.y();
int itemCount = count();
for ( int i = 0; i < itemCount; i++ ) {
QGraphicsLayoutItem *item = itemAt( i );
qreal itemHeight = item->preferredHeight();
if (item->graphicsItem()->transform().isScaling()) {
itemHeight *= item->graphicsItem()->transform().m22();
}
QRectF itemRect(effectiveRect.x(), y, effectiveRect.width(), itemHeight);
item->setGeometry(itemRect);
y += itemHeight;
}
}