Allow HIDAPI controllers to override the default joystick type

src/joystick/SDL_joystick.c

@@ -2525,6 +2525,12 @@ static SDL_JoystickType SDL_GetJoystickGUIDType(SDL_JoystickGUID guid)
         return SDL_JOYSTICK_TYPE_THROTTLE;
     }
 
+#ifdef SDL_JOYSTICK_HIDAPI
+    if (SDL_IsJoystickHIDAPI(guid)) {
+        return HIDAPI_GetJoystickTypeFromGUID(guid);
+    }
+#endif /* SDL_JOYSTICK_HIDAPI */
+
     if (GuessControllerType(vendor, product) != k_eControllerType_UnknownNonSteamController) {
         return SDL_JOYSTICK_TYPE_GAMECONTROLLER;
     }

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -688,6 +688,7 @@ HIDAPI_AddDevice(const struct SDL_hid_device_info *info, int num_children, SDL_H
 
     /* FIXME: Is there any way to tell whether this is a Bluetooth device? */
     device->guid = SDL_CreateJoystickGUID(SDL_HARDWARE_BUS_USB, device->vendor_id, device->product_id, device->version, device->name, 'h', 0);
+    device->joystick_type = SDL_JOYSTICK_TYPE_GAMECONTROLLER;
     device->type = SDL_GetJoystickGameControllerProtocol(device->name, device->vendor_id, device->product_id, device->interface_number, device->interface_class, device->interface_subclass, device->interface_protocol);
 
     if (num_children > 0) {
@@ -1010,6 +1011,24 @@ HIDAPI_IsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, cons
     return result;
 }
 
+SDL_JoystickType
+HIDAPI_GetJoystickTypeFromGUID(SDL_JoystickGUID guid)
+{
+    SDL_HIDAPI_Device *device;
+    SDL_JoystickType type = SDL_JOYSTICK_TYPE_UNKNOWN;
+
+    SDL_LockJoysticks();
+    for (device = SDL_HIDAPI_devices; device; device = device->next) {
+        if (SDL_memcmp(&guid, &device->guid, sizeof(guid)) == 0) {
+            type = device->joystick_type;
+            break;
+        }
+    }
+    SDL_UnlockJoysticks();
+
+    return type;
+}
+
 SDL_GameControllerType
 HIDAPI_GetGameControllerTypeFromGUID(SDL_JoystickGUID guid)
 {

src/joystick/hidapi/SDL_hidapijoystick_c.h

@@ -73,6 +73,7 @@ typedef struct _SDL_HIDAPI_Device
     int interface_protocol;
     Uint16 usage_page;      /* Available on Windows and Mac OS X */
     Uint16 usage;           /* Available on Windows and Mac OS X */
+    SDL_JoystickType joystick_type;
     SDL_GameControllerType type;
 
     struct _SDL_HIDAPI_DeviceDriver *driver;
@@ -145,6 +146,9 @@ extern SDL_bool HIDAPI_IsDeviceTypePresent(SDL_GameControllerType type);
 /* Return true if a HID device is present and supported as a joystick */
 extern SDL_bool HIDAPI_IsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, const char *name);
 
+/* Return the type of a joystick if it's present and supported */
+extern SDL_GameControllerType HIDAPI_GetJoystickTypeFromGUID(SDL_JoystickGUID guid);
+
 /* Return the type of a game controller if it's present and supported */
 extern SDL_GameControllerType HIDAPI_GetGameControllerTypeFromGUID(SDL_JoystickGUID guid);