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// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <functional>
#include <list>
#include <memory>
#include <mutex>
#include "Common/Matrix.h"
#include "Common/WindowSystemInfo.h"
#include "InputCommon/ControllerInterface/Device.h"
// enable disable sources
#ifdef _WIN32
#define CIFACE_USE_WIN32
#endif
#if defined(HAVE_X11) && HAVE_X11
#define CIFACE_USE_XLIB
#endif
#if defined(__APPLE__)
#define CIFACE_USE_OSX
#endif
#if defined(HAVE_LIBEVDEV) && defined(HAVE_LIBUDEV)
#define CIFACE_USE_EVDEV
#endif
#if defined(USE_PIPES)
#define CIFACE_USE_PIPES
#endif
#define CIFACE_USE_DUALSHOCKUDPCLIENT
//
// ControllerInterface
//
// Some crazy shit I made to control different device inputs and outputs
// from lots of different sources, hopefully more easily.
//
class ControllerInterface : public ciface::Core::DeviceContainer
{
public:
using HotplugCallbackHandle = std::list<std::function<void()>>::iterator;
ControllerInterface() : m_is_init(false) {}
void Initialize(const WindowSystemInfo& wsi);
void ChangeWindow(void* hwnd);
void RefreshDevices();
void Shutdown();
void AddDevice(std::shared_ptr<ciface::Core::Device> device);
void RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback);
void PlatformPopulateDevices(std::function<void()> callback);
bool IsInit() const { return m_is_init; }
void UpdateInput();
// Set adjustment from the full render window aspect-ratio to the drawn aspect-ratio.
// Used to fit mouse cursor inputs to the relevant region of the render window.
void SetAspectRatioAdjustment(float);
// Calculated from the aspect-ratio adjustment.
// Inputs based on window coordinates should be multiplied by this.
Common::Vec2 GetWindowInputScale() const;
HotplugCallbackHandle RegisterDevicesChangedCallback(std::function<void(void)> callback);
void UnregisterDevicesChangedCallback(const HotplugCallbackHandle& handle);
void InvokeDevicesChangedCallbacks() const;
private:
std::list<std::function<void()>> m_devices_changed_callbacks;
mutable std::mutex m_callbacks_mutex;
std::atomic<bool> m_is_init;
std::atomic<bool> m_is_populating_devices{false};
WindowSystemInfo m_wsi;
std::atomic<float> m_aspect_ratio_adjustment = 1;
};
extern ControllerInterface g_controller_interface;
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