Piotr Caban : oleacc: Add AccessibleObjectFromWindow implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 817222558d3e3dd09aba1f348f24eda22a32190b
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=817222558d3e3dd09aba1f348f24eda22a32190b

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Mon Apr 28 17:30:31 2014 +0200

oleacc: Add AccessibleObjectFromWindow implementation.

---

 dlls/oleacc/main.c |   19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/dlls/oleacc/main.c b/dlls/oleacc/main.c
index 5a7afd90..c1e2bf8 100644
--- a/dlls/oleacc/main.c
+++ b/dlls/oleacc/main.c
@@ -217,9 +217,24 @@ HRESULT WINAPI AccessibleObjectFromPoint( POINT ptScreen, IAccessible** ppacc, V
 HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
                              REFIID riid, void** ppvObject )
 {
-    FIXME("%p %d %s %p\n", hwnd, dwObjectID,
+    TRACE("%p %d %s %p\n", hwnd, dwObjectID,
           debugstr_guid( riid ), ppvObject );
-    return E_NOTIMPL;
+
+    if(!ppvObject)
+        return E_INVALIDARG;
+    *ppvObject = NULL;
+
+    if(IsWindow(hwnd)) {
+        LRESULT lres;
+
+        lres = SendMessageW(hwnd, WM_GETOBJECT, 0xffffffff, dwObjectID);
+        if(FAILED(lres))
+            return lres;
+        else if(lres)
+            return ObjectFromLresult(lres, riid, 0, ppvObject);
+    }
+
+    return CreateStdAccessibleObject(hwnd, dwObjectID, riid, ppvObject);
 }
 
 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,