Piotr Caban : comctl32: Don' t invalidate item in LISTVIEW_SetItemT when its state has not changed.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c47c62a802e28053cc3bf61f8114e49ab983d431
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c47c62a802e28053cc3bf61f81...

Author: Piotr Caban 
Date:   Thu Jul 21 13:49:59 2011 +0200

comctl32: Don't invalidate item in LISTVIEW_SetItemT when its state has not changed.

---

dlls/comctl32/listview.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index 8eec25b..eb94d1d 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -4401,14 +4401,15 @@ static BOOL LISTVIEW_SetItemT(LISTVIEW_INFO *infoPtr, LVITEMW *lpLVItem, BOOL is
     HWND hwndSelf = infoPtr->hwndSelf;
     LPWSTR pszText = NULL;
     BOOL bResult, bChanged = FALSE;
+    RECT oldItemArea;

TRACE("(lpLVItem=%s, isW=%d)\n", debuglvitem_t(lpLVItem, isW), isW);

if (!lpLVItem || lpLVItem->iItem < 0 || lpLVItem->iItem >= infoPtr->nItemCount)
    return FALSE;

-    /* Invalidate old item area */
-    LISTVIEW_InvalidateItem(infoPtr, lpLVItem->iItem);
+    /* Store old item area */
+    LISTVIEW_GetItemBox(infoPtr, lpLVItem->iItem, &oldItemArea);

/* For efficiency, we transform the lpLVItem->pszText to Unicode here */
     if ((lpLVItem->mask & LVIF_TEXT) && is_text(lpLVItem->pszText))
@@ -4436,7 +4437,10 @@ static BOOL LISTVIEW_SetItemT(LISTVIEW_INFO *infoPtr, LVITEMW *lpLVItem, BOOL is
              lpLVItem->iSubItem > 0 && lpLVItem->iSubItem <= DPA_GetPtrCount(infoPtr->hdpaColumns) )
        LISTVIEW_InvalidateSubItem(infoPtr, lpLVItem->iItem, lpLVItem->iSubItem);
    else
+        {
+            LISTVIEW_InvalidateRect(infoPtr, &oldItemArea);
        LISTVIEW_InvalidateItem(infoPtr, lpLVItem->iItem);
+        }
     }
     /* restore text */
     if (pszText)