Send LI_CTYPE_STEAM for known Steam Controllers

Author: cgutman

app/streaming/input/gamepad.cpp

@@ -701,7 +701,32 @@ void SdlInputHandler::handleControllerDeviceEvent(SDL_ControllerDeviceEvent* eve
             type = LI_CTYPE_NINTENDO;
             break;
         default:
-            type = LI_CTYPE_UNKNOWN;
+            // These Steam Controller VID/PID combos come from SDL's controller_list.h
+            // TODO: Use SDL_GAMEPAD_TYPE_STEAM on SDL 3.6+
+            if (vendorId == 0x28de) {
+                switch (productId) {
+                case 0x1101:
+                case 0x1102:
+                case 0x1105:
+                case 0x1106:
+                case 0x1142:
+                case 0x1201:
+                case 0x1202:
+                case 0x1205:
+                case 0x1302:
+                case 0x1303:
+                case 0x1304:
+                case 0x1305:
+                    type = LI_CTYPE_STEAM;
+                    break;
+                default:
+                    type = LI_CTYPE_UNKNOWN;
+                    break;
+                }
+            }
+            else {
+                type = LI_CTYPE_UNKNOWN;
+            }
             break;
         }