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comctl32: listview: Make LVM_GETCOLUMNWIDTH query the header control instead of using cached data.

This commit is contained in:
Mikołaj Zalewski 2007-06-04 00:26:46 +02:00 committed by Alexandre Julliard
parent f83b53c160
commit a1b55be693
1 changed files with 14 additions and 4 deletions
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18
dlls/comctl32/listview.c
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@ -5147,7 +5147,7 @@ static BOOL LISTVIEW_GetColumnOrderArray(const LISTVIEW_INFO *infoPtr, INT iCoun
static INT LISTVIEW_GetColumnWidth(const LISTVIEW_INFO *infoPtr, INT nColumn) static INT LISTVIEW_GetColumnWidth(const LISTVIEW_INFO *infoPtr, INT nColumn)
{ {
INT nColumnWidth = 0; INT nColumnWidth = 0;
RECT rcHeader; HDITEMW hdItem;
TRACE("nColumn=%d\n", nColumn); TRACE("nColumn=%d\n", nColumn);
@ -5158,9 +5158,19 @@ static INT LISTVIEW_GetColumnWidth(const LISTVIEW_INFO *infoPtr, INT nColumn)
nColumnWidth = infoPtr->nItemWidth; nColumnWidth = infoPtr->nItemWidth;
break; break;
case LVS_REPORT: case LVS_REPORT:
if (nColumn < 0 || nColumn >= DPA_GetPtrCount(infoPtr->hdpaColumns)) return 0; /* We are not using LISTVIEW_GetHeaderRect as this data is updated only after a HDM_ITEMCHANGED.
LISTVIEW_GetHeaderRect(infoPtr, nColumn, &rcHeader); * There is an application that subclasses the listview, calls LVM_GETCOLUMNWIDTH in the
nColumnWidth = rcHeader.right - rcHeader.left; * HDM_ITEMCHANGED handler and goes into infinite recursion if it receives old data.
*
* TODO: should we do the same in LVM_GETCOLUMN?
*/
hdItem.mask = HDI_WIDTH;
if (!SendMessageW(infoPtr->hwndHeader, HDM_GETITEMW, nColumn, (LPARAM)&hdItem))
{
WARN("(%p): HDM_GETITEMW failed for item %d\n", infoPtr->hwndSelf, nColumn);
return 0;
}
nColumnWidth = hdItem.cxy;
break; break;
} }