More work for remappable controllers

src/frontend/RenderWidget.cpp

@@ -29,6 +29,39 @@ RenderWidget::RenderWidget(const std::shared_ptr<n64::Core> &core) : QWidget(nul
 }
 
 void QtWSIPlatform::poll_input() {
+  if (!canPollEvents)
+    return;
+
+  SDL_Event e;
+  while (SDL_PollEvent(&e)) {
+    switch (e.type) {
+    case SDL_EVENT_GAMEPAD_ADDED:
+      {
+        const auto index = e.gdevice.which;
+
+        gamepad = SDL_OpenGamepad(index);
+        Util::info("Controller found!");
+
+        const auto serial = SDL_GetGamepadSerial(gamepad);
+        const auto name = SDL_GetGamepadName(gamepad);
+        const auto path = SDL_GetGamepadPath(gamepad);
+
+        Util::info("\tName: {}", name ? name : "Not available");
+        Util::info("\tSerial: {}", serial ? serial : "Not available");
+        Util::info("\tPath: {}", path ? path : "Not available");
+
+        gamepadConnected = true;
+      }
+      break;
+    case SDL_EVENT_GAMEPAD_REMOVED:
+      {
+        gamepadConnected = false;
+        SDL_CloseGamepad(gamepad);
+      }
+      break;
+    }
+  }
+
   if (gamepadConnected) {
     n64::PIF &pif = core->cpu->GetMem().mmio.si.pif;
     pif.UpdateButton(0, n64::Controller::Key::A, SDL_GetGamepadButton(gamepad, SDL_GAMEPAD_BUTTON_SOUTH));