[PATCH 1/2] oleacc: Implement AccessibleObjectFromEvent.

[Connor McAdams]

Signed-off-by: Connor McAdams 
---
 dlls/oleacc/main.c      | 39 +++++++++++++++++++++++++++++++++++++++
 dlls/oleacc/oleacc.spec |  2 +-
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/dlls/oleacc/main.c b/dlls/oleacc/main.c
index f6b66a8bcab..fd85518436c 100644
--- a/dlls/oleacc/main.c
+++ b/dlls/oleacc/main.c
@@ -331,6 +331,45 @@ HRESULT WINAPI AccessibleObjectFromPoint( POINT ptScreen, IAccessible** ppacc, V
     return E_NOTIMPL;
 }

+HRESULT WINAPI AccessibleObjectFromEvent( HWND hwnd, DWORD dwObjectID, DWORD dwChildID,
+                             IAccessible** ppacc, VARIANT* pvarChild )
+{
+    IDispatch *child;
+    VARIANT cid;
+    HRESULT hr;
+
+    TRACE("%p %d %d %p %p\n", hwnd, dwObjectID, dwChildID, ppacc, pvarChild);
+
+    hr = AccessibleObjectFromWindow(hwnd, dwObjectID, &IID_IAccessible, (void **)ppacc);
+    if (FAILED(hr))
+        return hr;
+
+    V_VT(&cid) = VT_I4;
+    V_I4(&cid) = dwChildID;
+    hr = IAccessible_get_accChild(*ppacc, cid, &child);
+    if (FAILED(hr))
+        FIXME("get_accChild failed with %#x!\n", hr);
+
+    V_VT(pvarChild) = VT_I4;
+    if (child)
+    {
+        IAccessible *acc;
+
+        if (SUCCEEDED(IDispatch_QueryInterface(child, &IID_IAccessible, (void **)&acc)))
+        {
+            IAccessible_Release(*ppacc);
+            *ppacc = acc;
+        }
+
+        IDispatch_Release(child);
+        V_I4(pvarChild) = CHILDID_SELF;
+    }
+    else
+        V_I4(pvarChild) = dwChildID;
+
+    return S_OK;
+}
+
 HRESULT WINAPI AccessibleObjectFromWindow( HWND hwnd, DWORD dwObjectID,
                              REFIID riid, void** ppvObject )
 {
diff --git a/dlls/oleacc/oleacc.spec b/dlls/oleacc/oleacc.spec
index 4cff0b8effc..9ad6e915965 100644
--- a/dlls/oleacc/oleacc.spec
+++ b/dlls/oleacc/oleacc.spec
@@ -1,5 +1,5 @@
 @ stdcall AccessibleChildren(ptr long long ptr ptr)
-@ stub AccessibleObjectFromEvent
+@ stdcall AccessibleObjectFromEvent(ptr long long ptr ptr)
 @ stdcall AccessibleObjectFromPoint(int64 ptr ptr)
 @ stdcall AccessibleObjectFromWindow(ptr long ptr ptr)
 @ stdcall CreateStdAccessibleObject(ptr long ptr ptr)