Fix a bunch of bugs related to scrolling.
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c6629293a8
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1da4ea287d
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@ -843,22 +843,20 @@ static VOID LISTVIEW_UpdateScroll(LISTVIEW_INFO *infoPtr)
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if (uView == LVS_LIST)
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{
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/* update horizontal scrollbar */
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INT nCountPerColumn = LISTVIEW_GetCountPerColumn(infoPtr);
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INT nCountPerRow = LISTVIEW_GetCountPerRow(infoPtr);
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INT nNumOfItems = GETITEMCOUNT(infoPtr);
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scrollInfo.nMax = nNumOfItems / nCountPerColumn;
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TRACE("items=%d, perColumn=%d, perRow=%d\n",
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nNumOfItems, nCountPerColumn, nCountPerRow);
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scrollInfo.nMax = nNumOfItems / nCountPerColumn;
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if((nNumOfItems % nCountPerColumn) == 0)
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{
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scrollInfo.nMax--;
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}
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if (scrollInfo.nMax < 0) scrollInfo.nMax = 0;
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scrollInfo.nPos = ListView_GetTopIndex(infoPtr->hwndSelf) / nCountPerColumn;
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scrollInfo.nPage = nCountPerRow;
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scrollInfo.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
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TRACE("LVS_LIST\n");
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SetScrollInfo(infoPtr->hwndSelf, SB_HORZ, &scrollInfo, TRUE);
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ShowScrollBar(infoPtr->hwndSelf, SB_VERT, FALSE);
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}
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@ -8070,13 +8068,13 @@ static LRESULT LISTVIEW_VScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
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nNewScrollPos = scrollInfo.nMin;
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}
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/* carry on only if it really changed */
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if (nNewScrollPos == nOldScrollPos) return 0;
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/* set the new position */
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/* set the new position, and reread in case it changed */
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scrollInfo.fMask = SIF_POS;
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scrollInfo.nPos = nNewScrollPos;
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SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &scrollInfo, TRUE);
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nNewScrollPos = SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &scrollInfo, TRUE);
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/* carry on only if it really changed */
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if (nNewScrollPos == nOldScrollPos) return 0;
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/* now adjust to client coordinates */
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nScrollDiff = nOldScrollPos - nNewScrollPos;
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@ -8153,6 +8151,7 @@ static LRESULT LISTVIEW_HScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
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case SB_THUMBPOSITION:
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case SB_THUMBTRACK:
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nScrollDiff = scrollInfo.nTrackPos - scrollInfo.nPos;
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break;
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default:
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nScrollDiff = 0;
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@ -8173,20 +8172,20 @@ static LRESULT LISTVIEW_HScroll(LISTVIEW_INFO *infoPtr, INT nScrollCode,
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nNewScrollPos = scrollInfo.nMin;
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}
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/* carry on only if it really changed */
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if (nNewScrollPos == nOldScrollPos) return 0;
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/* set the new position */
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/* set the new position, and reread in case it changed */
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scrollInfo.fMask = SIF_POS;
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scrollInfo.nPos = nNewScrollPos;
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SetScrollInfo(infoPtr->hwndSelf, SB_VERT, &scrollInfo, TRUE);
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nNewScrollPos = SetScrollInfo(infoPtr->hwndSelf, SB_HORZ, &scrollInfo, TRUE);
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/* carry on only if it really changed */
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if (nNewScrollPos == nOldScrollPos) return 0;
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if(uView == LVS_REPORT)
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LISTVIEW_UpdateHeaderSize(infoPtr, nNewScrollPos);
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/* now adjust to client coordinates */
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nScrollDiff = nOldScrollPos - nNewScrollPos;
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if (uView == LVS_REPORT) nScrollDiff *= infoPtr->nItemHeight;
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if (uView == LVS_LIST) nScrollDiff *= infoPtr->nItemWidth;
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/* and scroll the window */
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ScrollWindowEx( infoPtr->hwndSelf, nScrollDiff, 0, &infoPtr->rcList,
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