dinput: Stub support for the DIPROP_FFGAIN property.

Based on a patch from Ivo Ivanov <logos128@gmail.com>.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/dinput/device.c

@@ -1008,7 +1008,7 @@ static HRESULT WINAPI dinput_device_GetProperty( IDirectInputDevice8W *iface, co
     {
         DIPROPDWORD *value = (DIPROPDWORD *)header;
         if (header->dwSize != sizeof(DIPROPDWORD)) return DIERR_INVALIDPARAM;
-        value->dwData = 10000;
+        value->dwData = impl->device_gain;
         return DI_OK;
     }
     case (DWORD_PTR)DIPROP_CALIBRATION:
@@ -1094,6 +1094,18 @@ static HRESULT WINAPI dinput_device_SetProperty( IDirectInputDevice8W *iface, co
         LeaveCriticalSection( &impl->crit );
         return hr;
     }
+    case (DWORD_PTR)DIPROP_FFGAIN:
+    {
+        const DIPROPDWORD *value = (const DIPROPDWORD *)header;
+        if (header->dwSize != sizeof(DIPROPDWORD)) return DIERR_INVALIDPARAM;
+        if (!impl->vtbl->send_device_gain) return DIERR_UNSUPPORTED;
+        if (header->dwHow != DIPH_DEVICE) return DIERR_UNSUPPORTED;
+        if (value->dwData > 10000) return DIERR_INVALIDPARAM;
+        EnterCriticalSection( &impl->crit );
+        impl->device_gain = value->dwData;
+        LeaveCriticalSection( &impl->crit );
+        return hr;
+    }
     case (DWORD_PTR)DIPROP_FFLOAD:
     case (DWORD_PTR)DIPROP_GRANULARITY:
     case (DWORD_PTR)DIPROP_VIDPID:
@@ -1853,6 +1865,7 @@ HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl,
     This->caps.dwSize = sizeof(DIDEVCAPS);
     This->caps.dwFlags = DIDC_ATTACHED | DIDC_EMULATED;
     This->device_format = format;
+    This->device_gain = 10000;
     InitializeCriticalSection( &This->crit );
     This->dinput = dinput;
     IDirectInput_AddRef( &dinput->IDirectInput7A_iface );

dlls/dinput/device_private.h

@@ -50,6 +50,7 @@ struct dinput_device_vtbl
     HRESULT (*get_effect_info)( IDirectInputDevice8W *iface, DIEFFECTINFOW *info, const GUID *guid );
     HRESULT (*create_effect)( IDirectInputDevice8W *iface, IDirectInputEffect **out );
     HRESULT (*send_force_feedback_command)( IDirectInputDevice8W *iface, DWORD command );
+    HRESULT (*send_device_gain)( IDirectInputDevice8W *iface, LONG device_gain );
     HRESULT (*enum_created_effect_objects)( IDirectInputDevice8W *iface, LPDIENUMCREATEDEFFECTOBJECTSCALLBACK callback,
                                             void *context, DWORD flags );
 };
@@ -98,6 +99,7 @@ struct dinput_device
     BYTE device_state[DEVICE_STATE_MAX_SIZE];
 
     BOOL autocenter;
+    LONG device_gain;
 };
 
 extern HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl, const GUID *guid,

dlls/dinput/joystick_hid.c

@@ -786,6 +786,13 @@ static void set_extra_caps_range( struct hid_joystick *impl, const DIDEVICEOBJEC
     }
 }
 
+static HRESULT hid_joystick_send_device_gain( IDirectInputDevice8W *iface, LONG device_gain )
+{
+    FIXME( "iface %p stub!\n", iface );
+
+    return DIERR_UNSUPPORTED;
+}
+
 static HRESULT hid_joystick_set_property( IDirectInputDevice8W *iface, DWORD property,
                                           const DIPROPHEADER *header, const DIDEVICEOBJECTINSTANCEW *instance )
 {
@@ -1268,6 +1275,7 @@ static const struct dinput_device_vtbl hid_joystick_vtbl =
     hid_joystick_get_effect_info,
     hid_joystick_create_effect,
     hid_joystick_send_force_feedback_command,
+    hid_joystick_send_device_gain,
     hid_joystick_enum_created_effect_objects,
 };
 

dlls/dinput/keyboard.c

@@ -294,4 +294,5 @@ static const struct dinput_device_vtbl keyboard_vtbl =
     NULL,
     NULL,
     NULL,
+    NULL,
 };

dlls/dinput/mouse.c

@@ -596,4 +596,5 @@ static const struct dinput_device_vtbl mouse_vtbl =
     NULL,
     NULL,
     NULL,
+    NULL,
 };

dlls/dinput8/tests/hid.c

@@ -5015,11 +5015,9 @@ static void test_simple_joystick(void)
     prop_dword.diph.dwObj = 0;
     prop_dword.dwData = 0xdeadbeef;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DIERR_INVALIDPARAM, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
     prop_dword.dwData = 1000;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DI_OK, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
 
     prop_dword.dwData = 0xdeadbeef;
@@ -7847,11 +7845,9 @@ static void test_force_feedback_joystick( DWORD version )
 
     prop_dword.dwData = 0xdeadbeef;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DIERR_INVALIDPARAM, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
     prop_dword.dwData = 1000;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DI_OK, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
 
     prop_dword.dwData = 0xdeadbeef;
@@ -7889,14 +7885,12 @@ static void test_force_feedback_joystick( DWORD version )
     set_hid_expect( file, &expect_set_device_gain_2, sizeof(expect_set_device_gain_2) );
     prop_dword.dwData = 2000;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DI_OK, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
     wait_hid_expect( file, 100 ); /* device gain reports are written asynchronously */
 
     set_hid_expect( file, &expect_set_device_gain_1, sizeof(expect_set_device_gain_1) );
     prop_dword.dwData = 1000;
     hr = IDirectInputDevice8_SetProperty( device, DIPROP_FFGAIN, &prop_dword.diph );
-    todo_wine
     ok( hr == DI_OK, "SetProperty DIPROP_FFGAIN returned %#x\n", hr );
     wait_hid_expect( file, 100 ); /* device gain reports are written asynchronously */