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don't ignore cache hints with from == to

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20901 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-06-03 21:22:35 +00:00
parent ed9d5d17e1
commit 0ea0359bca
1 changed files with 11 additions and 14 deletions
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25
src/msw/listctrl.cpp
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@@ -2080,21 +2080,18 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
// we get some really stupid cache hints like ones for items in
// range 0..0 for an empty control or, after deleting an item,
// for items in invalid range - filter this garbage out
if ( cacheHint->iFrom < cacheHint->iTo )
{
event.m_oldItemIndex = cacheHint->iFrom;
long iMax = GetItemCount();
event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
: iMax - 1;
}
else
{
// we get some really stupid cache hints like ones for
// items in range 0..0 for an empty control or, after
// deleting an item, for items in invalid range -- filter
// this garbage out
if ( cacheHint->iFrom > cacheHint->iTo )
return FALSE;
}
event.m_oldItemIndex = cacheHint->iFrom;
const long iMax = GetItemCount();
event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
: iMax - 1;
}
break;