void ListViewDnd::updateLine( const QPoint & dragPos )
{
QListViewItem * item = itemAt(dragPos);
QListView * src = (QListView *) this->src;
int ypos = item ?
( src->itemRect( item ).bottom() - ( line->height() / 2 ) ) :
( src->itemRect( src->firstChild() ).top() );
int xpos = dropDepth( item, dragPos ) * src->treeStepSize();
line->resize( src->viewport()->width() - xpos, line->height() );
line->move( xpos, ypos );
}
/**
* Displays a tool-tip according to the current location of the mouse
* pointer.
* @param pt The mouse pointer coordinates
*/
void ListToolTip::maybeTip(const QPoint& pt)
{
QString str;
QListView* pList;
QListViewItem* pItem;
// Get the item at the given point
pList = m_pList->getList();
pItem = pList->itemAt(pt);
if (pItem == NULL)
return;
// Get the tip string for this item
if (!m_pList->getTip(pItem, str))
return;
// Get the bounding rectangle of the item
const QRect rcItem = pList->itemRect(pItem);
if (!rcItem.isValid())
return;
// Get the header coordinates
const QRect rcHead = pList->header()->rect();
if (!rcHead.isValid())
return;
// Calculate the tool-tip rectangle
QRect rcCell(rcHead.left(), rcItem.top(), rcItem.width(), rcItem.height());
// Display the tool-tip
tip(rcCell, str);
}
QListViewItem * ListViewDnd::itemAt( QPoint pos )
{
QListView * src = (QListView *) this->src;
int headerHeight = (int)(src->header()->height());
pos.ry() -= headerHeight;
QListViewItem * result = src->itemAt( pos );
if ( result && ( pos.ry() < (src->itemPos(result) + result->height()/2) ) )
result = result->itemAbove();
// Wind back if has parent, and we're in flat mode
while ( result && result->parent() && (dMode & Flat) )
result = result->parent();
// Wind back if has parent, and we're in flat mode
while ( result && !result->isVisible() && result->parent() )
result = result->parent();
if ( !result && src->firstChild() && (pos.y() > src->itemRect(src->firstChild()).bottom()) ) {
result = src->lastItem();
if ( !result->isVisible() )
// Handle special case where last item is actually hidden
result = result->itemAbove();
}
return result;
}