QT_BEGIN_NAMESPACE
/*!
\internal
\a mw is the new parent. all items in the layout will be a child of \a mw.
*/
void QGraphicsLayoutPrivate::reparentChildItems(QGraphicsItem *newParent)
{
Q_Q(QGraphicsLayout);
int n = q->count();
//bool mwVisible = mw && mw->isVisible();
for (int i = 0; i < n; ++i) {
QGraphicsLayoutItem *layoutChild = q->itemAt(i);
if (!layoutChild) {
// Skip stretch items
continue;
}
if (layoutChild->isLayout()) {
QGraphicsLayout *l = static_cast<QGraphicsLayout*>(layoutChild);
l->d_func()->reparentChildItems(newParent);
} else if (QGraphicsItem *itemChild = layoutChild->graphicsItem()){
QGraphicsItem *childParent = itemChild->parentItem();
#ifdef QT_DEBUG
if (childParent && childParent != newParent && itemChild->isWidget() && qt_graphicsLayoutDebug()) {
QGraphicsWidget *w = static_cast<QGraphicsWidget*>(layoutChild);
qWarning("QGraphicsLayout::addChildLayout: widget %s \"%s\" in wrong parent; moved to correct parent",
w->metaObject()->className(), w->objectName().toLocal8Bit().constData());
}
#endif
if (childParent != newParent)
itemChild->setParentItem(newParent);
}
}
}
/*!
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;
}
}
qreal QGraphicsFlowLayout::doLayout(const QRectF &rect, bool testOnly) const
{
qreal left, top, right, bottom;
getContentsMargins(&left, &top, &right, &bottom);
QRectF effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
qreal x = effectiveRect.x();
qreal y = effectiveRect.y();
qreal lineHeight = 0;
//! [9]
//! [10]
QGraphicsLayoutItem *item;
foreach (item, m_itemList)
{
QGraphicsItem *wid = item->graphicsItem();
qreal spaceX = spacing(false);
if (spaceX == -1)
{
}
qreal spaceY = spacing(true);
if (spaceY == -1)
{
}
//! [10]
//! [11]
int nextX = x + item->geometry().width() + spaceX;
if (nextX - spaceX > effectiveRect.right() && lineHeight > 0)
{
x = effectiveRect.x();
y = y + lineHeight + spaceY;
nextX = x + item->geometry().width() + spaceX;
lineHeight = 0;
}
if (!testOnly)
item->setGeometry(QRectF(QPointF(x, y), item->geometry().size()));
x = nextX;
lineHeight = qMax(lineHeight, item->geometry().height());
}
bool
MTester::isLayoutContains (
QGraphicsLayout *layout,
QGraphicsLayoutItem *item)
{
bool found = false;
#if 0
SYS_DEBUG ("*** layout = %p", layout);
SYS_DEBUG ("*** item = %p", item);
SYS_DEBUG ("*** count = %d", layout->count());
#endif
for (int n = 0; n < layout->count(); ++n) {
QGraphicsLayoutItem *child = layout->itemAt (n);
if (item == child)
found = true;
#if 0
QGraphicsWidget* widget = (QGraphicsWidget*) child;
SYS_DEBUG ("**********************************************");
SYS_DEBUG ("*** child = %p", child);
SYS_DEBUG ("*** widget = %p", child->graphicsItem ());
SYS_DEBUG ("*** name = %s", SYS_STR(widget->objectName()));
#endif
}
if (!found) {
QGraphicsWidget* widget = (QGraphicsWidget*) item;
SYS_WARNING ("Layout at %p should contain widget %p/%s.",
layout,
item,
SYS_STR(widget->objectName()));
}
return found;
}
