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comctl32/listview: Improve item visibility calculation for report view.

This commit is contained in:
Nikolay Sivov 2009-06-04 01:43:28 +04:00 committed by Alexandre Julliard
parent 3e4ba3048a
commit f8904e156f
1 changed files with 12 additions and 11 deletions
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23
dlls/comctl32/listview.c
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@ -4096,7 +4096,8 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, ITERATOR *i, HDC hdc,
INT rgntype;
RECT rcClip, rcItem;
POINT Origin, Position;
RANGE colRange;
RANGES colRanges;
INT col, index;
ITERATOR j;
TRACE("()\n");
@ -4107,19 +4108,19 @@ static void LISTVIEW_RefreshReport(LISTVIEW_INFO *infoPtr, ITERATOR *i, HDC hdc,
/* Get scroll info once before loop */
LISTVIEW_GetOrigin(infoPtr, &Origin);
colRanges = ranges_create(DPA_GetPtrCount(infoPtr->hdpaColumns));
/* narrow down the columns we need to paint */
for(colRange.lower = 0; colRange.lower < DPA_GetPtrCount(infoPtr->hdpaColumns); colRange.lower++)
for(col = 0; col < DPA_GetPtrCount(infoPtr->hdpaColumns); col++)
{
LISTVIEW_GetHeaderRect(infoPtr, colRange.lower, &rcItem);
if (rcItem.right + Origin.x >= rcClip.left) break;
index = SendMessageW(infoPtr->hwndHeader, HDM_ORDERTOINDEX, col, 0);
LISTVIEW_GetHeaderRect(infoPtr, index, &rcItem);
if ((rcItem.right + Origin.x >= rcClip.left) && (rcItem.left + Origin.x < rcClip.right))
ranges_additem(colRanges, index);
}
for(colRange.upper = DPA_GetPtrCount(infoPtr->hdpaColumns); colRange.upper > 0; colRange.upper--)
{
LISTVIEW_GetHeaderRect(infoPtr, colRange.upper - 1, &rcItem);
if (rcItem.left + Origin.x < rcClip.right) break;
}
iterator_rangeitems(&j, colRange);
iterator_rangesitems(&j, colRanges);
/* in full row select, we _have_ to draw the main item */
if (infoPtr->dwLvExStyle & LVS_EX_FULLROWSELECT)