// Copyright 2018 Citra Emulator Project // Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once #include <atomic> #include <memory> #include <mutex> #include <thread> #include <unordered_map> #include "common/common_types.h" #include "common/threadsafe_queue.h" #include "input_common/sdl/sdl.h" union SDL_Event; using SDL_Joystick = struct _SDL_Joystick; using SDL_JoystickID = s32; namespace InputCommon::SDL { class SDLAnalogFactory; class SDLButtonFactory; class SDLMotionFactory; class SDLVibrationFactory; class SDLJoystick; class SDLState : public State { public: /// Initializes and registers SDL device factories SDLState(); /// Unregisters SDL device factories and shut them down. ~SDLState() override; /// Handle SDL_Events for joysticks from SDL_PollEvent void HandleGameControllerEvent(const SDL_Event& event); /// Get the nth joystick with the corresponding GUID std::shared_ptr<SDLJoystick> GetSDLJoystickBySDLID(SDL_JoystickID sdl_id); /** * Check how many identical joysticks (by guid) were connected before the one with sdl_id and so * tie it to a SDLJoystick with the same guid and that port */ std::shared_ptr<SDLJoystick> GetSDLJoystickByGUID(const std::string& guid, int port); /// Get all DevicePoller that use the SDL backend for a specific device type Pollers GetPollers(Polling::DeviceType type) override; /// Used by the Pollers during config std::atomic<bool> polling = false; Common::SPSCQueue<SDL_Event> event_queue; std::vector<Common::ParamPackage> GetInputDevices() override; ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override; AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override; private: void InitJoystick(int joystick_index); void CloseJoystick(SDL_Joystick* sdl_joystick); /// Needs to be called before SDL_QuitSubSystem. void CloseJoysticks(); // Set to true if SDL supports game controller subsystem bool has_gamecontroller = false; /// Map of GUID of a list of corresponding virtual Joysticks std::unordered_map<std::string, std::vector<std::shared_ptr<SDLJoystick>>> joystick_map; std::mutex joystick_map_mutex; std::shared_ptr<SDLButtonFactory> button_factory; std::shared_ptr<SDLAnalogFactory> analog_factory; std::shared_ptr<SDLVibrationFactory> vibration_factory; std::shared_ptr<SDLMotionFactory> motion_factory; bool start_thread = false; std::atomic<bool> initialized = false; std::thread poll_thread; }; } // namespace InputCommon::SDL