[PATCH 6/6] dinput: Implement IDirectInputDevice_EnumObjects WtoA conversion.

[Rémi Bernon]

Instead of a separate duplicate implementation.

Signed-off-by: Rémi Bernon 
---
 dlls/dinput/ansi.c   | 48 ++++++++++++++++++++++++++++++++++++++++++++
 dlls/dinput/device.c | 32 -----------------------------
 2 files changed, 48 insertions(+), 32 deletions(-)

diff --git a/dlls/dinput/ansi.c b/dlls/dinput/ansi.c
index 99156195423..5158d326073 100644
--- a/dlls/dinput/ansi.c
+++ b/dlls/dinput/ansi.c
@@ -43,6 +43,27 @@ static IDirectInputDevice8W *IDirectInputDevice8W_from_impl( IDirectInputDeviceI
     return &impl->IDirectInputDevice8W_iface;
 }

+static void dideviceobjectinstance_wtoa( const DIDEVICEOBJECTINSTANCEW *in, DIDEVICEOBJECTINSTANCEA *out )
+{
+    out->guidType = in->guidType;
+    out->dwOfs = in->dwOfs;
+    out->dwType = in->dwType;
+    out->dwFlags = in->dwFlags;
+    WideCharToMultiByte( CP_ACP, 0, in->tszName, -1, out->tszName, sizeof(out->tszName), NULL, NULL );
+
+    if (out->dwSize <= FIELD_OFFSET( DIDEVICEOBJECTINSTANCEA, dwFFMaxForce )) return;
+
+    out->dwFFMaxForce = in->dwFFMaxForce;
+    out->dwFFForceResolution = in->dwFFForceResolution;
+    out->wCollectionNumber = in->wCollectionNumber;
+    out->wDesignatorIndex = in->wDesignatorIndex;
+    out->wUsagePage = in->wUsagePage;
+    out->wUsage = in->wUsage;
+    out->dwDimension = in->dwDimension;
+    out->wExponent = in->wExponent;
+    out->wReserved = in->wReserved;
+}
+
 HRESULT WINAPI IDirectInputDevice2AImpl_QueryInterface( IDirectInputDevice8A *iface_a, REFIID iid, void **out )
 {
     IDirectInputDeviceImpl *impl = impl_from_IDirectInputDevice8A( iface_a );
@@ -64,6 +85,33 @@ ULONG WINAPI IDirectInputDevice2AImpl_Release( IDirectInputDevice8A *iface_a )
     return IDirectInputDevice8_Release( iface_w );
 }

+struct enum_objects_wtoa_params
+{
+    LPDIENUMDEVICEOBJECTSCALLBACKA callback;
+    void *ref;
+};
+
+static BOOL CALLBACK enum_objects_wtoa_callback( const DIDEVICEOBJECTINSTANCEW *instance_w, void *ref )
+{
+    struct enum_objects_wtoa_params *params = ref;
+    DIDEVICEOBJECTINSTANCEA instance_a = {sizeof(instance_a)};
+
+    dideviceobjectinstance_wtoa( instance_w, &instance_a );
+    return params->callback( &instance_a, params->ref );
+}
+
+HRESULT WINAPI IDirectInputDevice2AImpl_EnumObjects( IDirectInputDevice8A *iface_a, LPDIENUMDEVICEOBJECTSCALLBACKA callback,
+                                                     void *ref, DWORD flags )
+{
+    struct enum_objects_wtoa_params params = {callback, ref};
+    IDirectInputDeviceImpl *impl = impl_from_IDirectInputDevice8A( iface_a );
+    IDirectInputDevice8W *iface_w = IDirectInputDevice8W_from_impl( impl );
+
+    if (!callback) return DIERR_INVALIDPARAM;
+
+    return IDirectInputDevice8_EnumObjects( iface_w, enum_objects_wtoa_callback, &params, flags );
+}
+
 HRESULT WINAPI IDirectInputDevice2AImpl_GetProperty( IDirectInputDevice8A *iface_a, REFGUID guid, DIPROPHEADER *header )
 {
     IDirectInputDeviceImpl *impl = impl_from_IDirectInputDevice8A( iface_a );
diff --git a/dlls/dinput/device.c b/dlls/dinput/device.c
index c6385e6c025..31b859801c7 100644
--- a/dlls/dinput/device.c
+++ b/dlls/dinput/device.c
@@ -1247,38 +1247,6 @@ ULONG WINAPI IDirectInputDevice2WImpl_AddRef(LPDIRECTINPUTDEVICE8W iface)
     return ref;
 }

-HRESULT WINAPI IDirectInputDevice2AImpl_EnumObjects(LPDIRECTINPUTDEVICE8A iface,
-        LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback, LPVOID lpvRef, DWORD dwFlags)
-{
-    IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
-    DIDEVICEOBJECTINSTANCEA ddoi;
-    int i;
-
-    TRACE("(%p)->(%p,%p flags:%08x)\n", This, lpCallback, lpvRef, dwFlags);
-    TRACE("  - flags = ");
-    _dump_EnumObjects_flags(dwFlags);
-    TRACE("\n");
-
-    if (!lpCallback) return DIERR_INVALIDPARAM;
-
-    /* Only the fields till dwFFMaxForce are relevant */
-    memset(&ddoi, 0, sizeof(ddoi));
-    ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
-
-    for (i = 0; i < This->data_format.wine_df->dwNumObjs; i++)
-    {
-        LPDIOBJECTDATAFORMAT odf = dataformat_to_odf(This->data_format.wine_df, i);
-
-        if (dwFlags != DIDFT_ALL && !(dwFlags & DIDFT_GETTYPE(odf->dwType))) continue;
-        if (IDirectInputDevice_GetObjectInfo(iface, &ddoi, odf->dwType, DIPH_BYID) != DI_OK)
-            continue;
-
-	if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) break;
-    }
-
-    return DI_OK;
-}
-
 HRESULT WINAPI IDirectInputDevice2WImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
         LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback, LPVOID lpvRef, DWORD dwFlags)
 {