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Merge pull request #4627 from Morph1984/fix-dinput-controller-disconnect

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sdl_impl: Erase the SDLJoystick entry after removing a controller
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bunnei 2020-10-20 11:40:06 -07:00 committed by GitHub
commit e03dc4d569
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 14 deletions
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26
src/input_common/sdl/sdl_impl.cpp
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@ -273,21 +273,19 @@ void SDLState::InitJoystick(int joystick_index) {
void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) {
const std::string guid = GetGUID(sdl_joystick);
std::shared_ptr<SDLJoystick> found_joystick;
{
std::lock_guard lock{joystick_map_mutex};
// This call to guid is safe since the joystick is guaranteed to be in the map
const auto& joystick_guid_list = joystick_map[guid];
const auto joystick_it = std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
[&sdl_joystick](const auto& joystick) {
return joystick->GetSDLJoystick() == sdl_joystick;
});
found_joystick = *joystick_it;
}
std::lock_guard lock{joystick_map_mutex};
auto& joystick_guid_list = joystick_map[guid];
auto joystick_it = std::find_if(
joystick_guid_list.begin(), joystick_guid_list.end(),
[&sdl_joystick](auto& joystick) { return joystick->GetSDLJoystick() == sdl_joystick; });
// Destruct SDL_Joystick outside the lock guard because SDL can internally call the
// event callback which locks the mutex again.
found_joystick->SetSDLJoystick(nullptr, nullptr);
if (joystick_it != joystick_guid_list.end()) {
(*joystick_it)->SetSDLJoystick(nullptr, nullptr);
joystick_guid_list.erase(joystick_it);
if (joystick_guid_list.empty()) {
joystick_map.erase(guid);
}
}
}
void SDLState::HandleGameControllerEvent(const SDL_Event& event) {