treeview: collapse notifications

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        Huw Davies <huw@xxxxxxxxxxxxxxx>
        We need to send TVN_EXPAND* on collapsing either when the user has
	initiated it with the mouse/keybaord or in response to a TVM_EXPAND
	when the state is not TVIS_EXPANDEDONCE.  This brings the logic into
	line with TREEVIEW_Expand.
	
	Save the item's cChildren member when deleting children in response to
	TVE_COLLAPSERESET

Index: dlls/comctl32/treeview.c
===================================================================
RCS file: /home/wine/wine/dlls/comctl32/treeview.c,v
retrieving revision 1.132
diff -u -r1.132 treeview.c
--- dlls/comctl32/treeview.c	20 Nov 2003 04:19:59 -0000	1.132
+++ dlls/comctl32/treeview.c	20 Nov 2003 23:24:54 -0000
@@ -3134,7 +3134,7 @@
     if (!(wineItem->state & TVIS_EXPANDED))
 	return FALSE;
 
-    if (bUser)
+    if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
 	TREEVIEW_SendExpanding(infoPtr, wineItem, action);
 
     if (wineItem->firstChild == NULL)
@@ -3142,7 +3142,7 @@
 
     wineItem->state &= ~TVIS_EXPANDED;
 
-    if (bUser)
+    if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
 	TREEVIEW_SendExpanded(infoPtr, wineItem, action);
 
     bSetSelection = (infoPtr->selectedItem != NULL
@@ -3153,9 +3153,11 @@
 
     if (bRemoveChildren)
     {
+        INT old_cChildren = wineItem->cChildren;
 	TRACE("TVE_COLLAPSERESET\n");
 	wineItem->state &= ~TVIS_EXPANDEDONCE;
 	TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
+        wineItem->cChildren = old_cChildren;
     }
 
     if (wineItem->firstChild)


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