Don't repaint header when scrolling a listview vertically.

776cb279 · Gerard Patel · Alexandre Julliard · 1cc88177 · 776cb279
Commit 776cb279 authored Jan 31, 2002 by Gerard Patel Committed by Alexandre Julliard Jan 31, 2002
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listview.c dlls/comctl32/listview.c +11 -1

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--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -7564,7 +7564,17 @@ static LRESULT LISTVIEW_VScroll(HWND hwnd, INT nScrollCode, SHORT nCurrentPos,
    {
      scrollInfo.fMask = SIF_POS;
      SetScrollInfo(hwnd, SB_VERT, &scrollInfo, TRUE);
-      InvalidateRect(hwnd, NULL, TRUE);
+      if (IsWindowVisible(infoPtr->hwndHeader))
+      {
+        RECT rListview, rcHeader, rDest;
+        GetClientRect(hwnd, &rListview);
+        GetWindowRect(infoPtr->hwndHeader, &rcHeader);
+        MapWindowPoints((HWND) NULL, hwnd, (LPPOINT) &rcHeader, 2);
+        SubtractRect(&rDest, &rListview, &rcHeader);
+        InvalidateRect(hwnd, &rDest, TRUE);
+      }
+      else
+        InvalidateRect(hwnd, NULL, TRUE);
    }
  }