Alex Henrie : comctl32: Do not send WM_NOTIFY if selecting an already-selected item.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 36297f2cb03e774f0803a082e402866fb3532b17
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=36297f2cb03e774f0803a082e402866fb3532b17

Author: Alex Henrie <alexhenrie24 at gmail.com>
Date:   Sun May 17 23:36:26 2015 -0600

comctl32: Do not send WM_NOTIFY if selecting an already-selected item.

---

 dlls/comctl32/tests/treeview.c | 2 +-
 dlls/comctl32/treeview.c       | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/comctl32/tests/treeview.c b/dlls/comctl32/tests/treeview.c
index d03b126..ab2d8bb 100644
--- a/dlls/comctl32/tests/treeview.c
+++ b/dlls/comctl32/tests/treeview.c
@@ -1773,7 +1773,7 @@ static void test_TVS_SINGLEEXPAND(void)
         { &golf,     parent_singleexpand_seq5,  TRUE },
         { &hotel,    parent_singleexpand_seq6,  FALSE },
         { &india,    parent_singleexpand_seq7,  FALSE },
-        { &india,    empty_seq,  TRUE }
+        { &india,    empty_seq,  FALSE }
     };
 
     hTree = create_treeview_control(0);
diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c
index dcb1bf7..0a3df83 100644
--- a/dlls/comctl32/treeview.c
+++ b/dlls/comctl32/treeview.c
@@ -4475,6 +4475,9 @@ TREEVIEW_SelectItem(TREEVIEW_INFO *infoPtr, INT wParam, HTREEITEM item)
     if (item && !TREEVIEW_ValidItem(infoPtr, item))
 	return FALSE;
 
+    if (item == infoPtr->selectedItem)
+	return TRUE;
+
     TRACE("%p (%s) %d\n", item, TREEVIEW_ItemName(item), wParam);
 
     if (!TREEVIEW_DoSelectItem(infoPtr, wParam, item, TVC_UNKNOWN))