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ci/sdl: pump messages for SDL_hidapi so device detection works

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This commit is contained in:
Shawn Hoffman 2022-04-18 04:09:38 -07:00
parent ddf83462ac
commit 54b4ad8f55
1 changed files with 25 additions and 0 deletions
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25
Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp
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@ -15,6 +15,8 @@
#include "InputCommon/ControllerInterface/ControllerInterface.h"
#ifdef _WIN32
#include <Windows.h>
#pragma comment(lib, "SDL2.lib")
#endif
@ -204,11 +206,34 @@ void Init()
}
}
#ifdef _WIN32
// This is a hack to workaround SDL_hidapi using window messages to detect device
// removal/arrival, yet no part of SDL pumps messages for it. It can hopefully be removed in the
// future when SDL fixes the issue. Note this is a separate issue from SDL_HINT_JOYSTICK_THREAD.
// Also note that SDL_WaitEvent may block while device detection window messages get queued up,
// causing some noticible stutter. This is just another reason it should be fixed properly by
// SDL...
const auto window_handle =
FindWindowEx(HWND_MESSAGE, nullptr, TEXT("SDL_HIDAPI_DEVICE_DETECTION"), nullptr);
#endif
SDL_Event e;
while (SDL_WaitEvent(&e) != 0)
{
if (!HandleEventAndContinue(e))
return;
#ifdef _WIN32
MSG msg;
while (window_handle && PeekMessage(&msg, window_handle, 0, 0, PM_NOREMOVE))
{
if (GetMessageA(&msg, window_handle, 0, 0) != 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
#endif
}
});