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When shifting the list's indices, we must not send notify messages if 

we have to refocus. Item modification handlers are not supposed to be
called here.
This commit is contained in:
Adam Gundy 2003-03-07 20:35:30 +00:00 committed by Alexandre Julliard
parent 636725f2f0
commit 64eff97f51
1 changed files with 15 additions and 4 deletions
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19
dlls/comctl32/listview.c
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@ -253,6 +253,7 @@ typedef struct tagLISTVIEW_INFO
BOOL bFirstPaint; /* Flags if the control has never painted before */
BOOL bAutoarrange; /* Autoarrange flag when NOT in LVS_AUTOARRANGE */
BOOL bFocus;
BOOL bDoChangeNotify; /* send change notification messages? */
INT nFocusedItem;
RECT rcFocus;
DWORD dwStyle; /* the cached window GWL_STYLE */
@ -2827,7 +2828,12 @@ static INT shift_item(LISTVIEW_INFO *infoPtr, INT nShiftItem, INT nItem, INT dir
static void LISTVIEW_ShiftIndices(LISTVIEW_INFO *infoPtr, INT nItem, INT direction)
{
INT nNewFocus;
BOOL bOldChange;
/* temporarily disable change notification while shifting items */
bOldChange = infoPtr->bDoChangeNotify;
infoPtr->bDoChangeNotify = FALSE;
TRACE("Shifting %iu, %i steps\n", nItem, direction);
ranges_shift(infoPtr->selectionRanges, nItem, direction, infoPtr->nItemCount);
@ -2841,6 +2847,8 @@ static void LISTVIEW_ShiftIndices(LISTVIEW_INFO *infoPtr, INT nItem, INT directi
LISTVIEW_SetItemFocus(infoPtr, nNewFocus);
/* But we are not supposed to modify nHotItem! */
infoPtr->bDoChangeNotify = bOldChange;
}
@ -3183,8 +3191,10 @@ static BOOL set_main_item(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem, BOOL
nmlv.lParam = item.lParam;
/* send LVN_ITEMCHANGING notification, if the item is not being inserted */
/* and we are _NOT_ virtual (LVS_OWERNDATA) */
if(lpItem && !isNew && notify_listview(infoPtr, LVN_ITEMCHANGING, &nmlv))
/* and we are _NOT_ virtual (LVS_OWERNDATA), and change notifications */
/* are enabled */
if(lpItem && !isNew && infoPtr->bDoChangeNotify &&
notify_listview(infoPtr, LVN_ITEMCHANGING, &nmlv))
return FALSE;
/* copy information */
@ -3234,7 +3244,7 @@ static BOOL set_main_item(LISTVIEW_INFO *infoPtr, const LVITEMW *lpLVItem, BOOL
/* send LVN_ITEMCHANGED notification */
if (lpLVItem->mask & LVIF_PARAM) nmlv.lParam = lpLVItem->lParam;
notify_listview(infoPtr, LVN_ITEMCHANGED, &nmlv);
if (infoPtr->bDoChangeNotify) notify_listview(infoPtr, LVN_ITEMCHANGED, &nmlv);
return TRUE;
}
@ -7049,6 +7059,7 @@ static LRESULT LISTVIEW_Create(HWND hwnd, const CREATESTRUCTW *lpcs)
infoPtr->bRedraw = TRUE;
infoPtr->bFirstPaint = TRUE;
infoPtr->bNoItemMetrics = TRUE;
infoPtr->bDoChangeNotify = TRUE;
infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING);
infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING);
infoPtr->nEditLabelItem = -1;