[PATCH 2/5] dinput: return fake DIPROP_GUIDANDPATH property for linux input joysticks

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Wed, Jun 05, 2019 at 12:53:45AM +0300, Alexey Prokhin wrote:
> Signed-off-by: Alexey Prokhin <alexey at prokhin.ru>
> ---
>  dlls/dinput/joystick_linuxinput.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/dlls/dinput/joystick_linuxinput.c b/dlls/dinput/joystick_linuxinput.c
> index fdfbc7f372..e3371b9f44 100644
> --- a/dlls/dinput/joystick_linuxinput.c
> +++ b/dlls/dinput/joystick_linuxinput.c
> @@ -57,6 +57,7 @@
>  #include "winbase.h"
>  #include "winerror.h"
>  #include "winreg.h"
> +#include "devguid.h"
>  #include "dinput.h"
>  
>  #include "dinput_private.h"
> @@ -1034,6 +1035,29 @@ static HRESULT WINAPI JoystickWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REF
>          break;
>      }
>  
> +    case (DWORD_PTR) DIPROP_GUIDANDPATH:
> +    {
> +        static const WCHAR formatW[] = {'\\','\\','?','\\','h','i','d','#','v','i','d','_','%','0','4','x','&',
> +                                        'p','i','d','_','%','0','4','x','&','%','s','_','%','h','u',0};
> +        static const WCHAR miW[] = {'m','i',0};
> +        static const WCHAR igW[] = {'i','g',0};
> +
> +        BOOL is_gamepad;
> +        LPDIPROPGUIDANDPATH pd = (LPDIPROPGUIDANDPATH)pdiph;
> +        WORD vid = This->joydev->vendor_id;
> +        WORD pid = This->joydev->product_id;
> +
> +        if (!pid || !vid)
> +            return DIERR_UNSUPPORTED;
> +
> +        is_gamepad = is_xinput_device(&This->generic.devcaps, vid, pid);
> +        pd->guidClass = GUID_DEVCLASS_HIDCLASS;
> +        sprintfW(pd->wszPath, formatW, vid, pid, is_gamepad ? igW : miW, get_joystick_index(&This->generic.base.guid));
> +
> +        TRACE("DIPROP_GUIDANDPATH(%s, %s): returning fake path\n", debugstr_guid(&pd->guidClass), debugstr_w(pd->wszPath));
> +        break;
> +    }
> +
>      default:
>          return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
>      }
> -- 
> 2.17.2 (Apple Git-113)
> 
> 
>