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());
}
void PeopleGroupedView::scrollTo(const QString& name)
{
Q_UNUSED(name);
int i;
for (i=0; i<m_numSections; i++) {
if (!name.compare(m_headings[i], Qt::CaseInsensitive))
break;
}
int section=0;
//if Other section exists shift increase i by 1
if(m_sectionCounts[1] > 0)
section = (i == m_numSections) ? 1 : i + 2;
else //account for mecard +1
section = (i == m_numSections) ? 0 : i + 1;
m_mainLayout->rowCount();
// prevent looking in non-existent rows in the grid layout
int numSections = m_numSections;
if (m_mainLayout->rowCount() < m_numSections)
numSections = m_mainLayout->rowCount() - 1;
QGraphicsLayoutItem *item = NULL;
int diff = 1;
while (section <= numSections || (section - diff) >= 0) {
// first check this section for an item
if (section <= numSections) {
item = m_mainLayout->itemAt(section, 0);
if (item)
break;
}
int alternate = section - diff;
if (alternate >= 0 && alternate <= numSections) {
item = m_mainLayout->itemAt(alternate, 0);
if (item)
break;
}
section++;
diff += 2;
}
if (item)
m_controller->scrollTo(item->geometry().top());
}