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comctl32: Scroll listview if changing scroll bounds changes the scroll pos.

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This commit is contained in:
Mikołaj Zalewski 2006-04-17 16:53:19 +02:00 committed by Alexandre Julliard
parent 89ed90f3e5
commit cb3424f642
1 changed files with 14 additions and 2 deletions
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16
dlls/comctl32/listview.c
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@ -1634,6 +1634,7 @@ static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
{ {
UINT uView = infoPtr->dwStyle & LVS_TYPEMASK; UINT uView = infoPtr->dwStyle & LVS_TYPEMASK;
SCROLLINFO horzInfo, vertInfo; SCROLLINFO horzInfo, vertInfo;
INT dx, dy;
if ((infoPtr->dwStyle & LVS_NOSCROLL) || !is_redrawing(infoPtr)) return; if ((infoPtr->dwStyle & LVS_NOSCROLL) || !is_redrawing(infoPtr)) return;
@ -1666,7 +1667,8 @@ static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
horzInfo.fMask = SIF_RANGE | SIF_PAGE; horzInfo.fMask = SIF_RANGE | SIF_PAGE;
horzInfo.nMax = max(horzInfo.nMax - 1, 0); horzInfo.nMax = max(horzInfo.nMax - 1, 0);
SetScrollInfo(infoPtr->hwndSelf, SB_HORZ, &horzInfo, TRUE); dx = GetScrollPos(infoPtr->hwndSelf, SB_HORZ);
dx -= SetScrollInfo(infoPtr->hwndSelf, SB_HORZ, &horzInfo, TRUE);
TRACE("horzInfo=%s\n", debugscrollinfo(&horzInfo)); TRACE("horzInfo=%s\n", debugscrollinfo(&horzInfo));
/* Setting the horizontal scroll can change the listview size /* Setting the horizontal scroll can change the listview size
@ -1697,9 +1699,19 @@ static void LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
vertInfo.fMask = SIF_RANGE | SIF_PAGE; vertInfo.fMask = SIF_RANGE | SIF_PAGE;
vertInfo.nMax = max(vertInfo.nMax - 1, 0); vertInfo.nMax = max(vertInfo.nMax - 1, 0);
SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &vertInfo, TRUE); dy = GetScrollPos(infoPtr->hwndSelf, SB_VERT);
dy -= SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &vertInfo, TRUE);
TRACE("vertInfo=%s\n", debugscrollinfo(&vertInfo)); TRACE("vertInfo=%s\n", debugscrollinfo(&vertInfo));
/* Change of the range may have changed the scroll pos. If so move the content */
if (dx != 0 || dy != 0)
{
RECT listRect;
listRect = infoPtr->rcList;
ScrollWindowEx(infoPtr->hwndSelf, dx, dy, &listRect, &listRect, 0, 0,
SW_ERASE | SW_INVALIDATE);
}
/* Update the Header Control */ /* Update the Header Control */
if (uView == LVS_REPORT) if (uView == LVS_REPORT)
{ {