forked from dolphin-emu/dolphin
3e69d066f5
The SDL backend crashes when you close a joystick after SDL_Quit has been called. Some backends don't need to be shutdown and re-initialized everytime, we can just ask to enumerate devices again.
138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
// Copyright 2010 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <algorithm>
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#include <map>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/Thread.h"
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#include "InputCommon/ControllerInterface/Device.h"
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#include "InputCommon/ControllerInterface/ExpressionParser.h"
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// enable disable sources
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#ifdef _WIN32
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#define CIFACE_USE_XINPUT
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#define CIFACE_USE_DINPUT
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#endif
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#if defined(HAVE_X11) && HAVE_X11
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#define CIFACE_USE_XLIB
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#endif
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#if defined(__APPLE__)
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#define CIFACE_USE_OSX
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#endif
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#if defined(HAVE_SDL) && HAVE_SDL
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#define CIFACE_USE_SDL
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#endif
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#if defined(HAVE_LIBEVDEV) && defined(HAVE_LIBUDEV)
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#define CIFACE_USE_EVDEV
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#endif
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#if defined(USE_PIPES)
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#define CIFACE_USE_PIPES
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#endif
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//
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// ControllerInterface
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//
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// Some crazy shit I made to control different device inputs and outputs
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// from lots of different sources, hopefully more easily.
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//
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class ControllerInterface : public ciface::Core::DeviceContainer
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{
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public:
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//
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// ControlReference
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//
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// These are what you create to actually use the inputs, InputReference or OutputReference.
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//
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// After being bound to devices and controls with ControllerInterface::UpdateReference,
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// each one can link to multiple devices and controls
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// when you change a ControlReference's expression,
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// you must use ControllerInterface::UpdateReference on it to rebind controls
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//
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class ControlReference
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{
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friend class ControllerInterface;
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public:
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virtual ControlState State(const ControlState state = 0) = 0;
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virtual ciface::Core::Device::Control* Detect(const unsigned int ms,
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ciface::Core::Device* const device) = 0;
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ControlState range;
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std::string expression;
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const bool is_input;
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ciface::ExpressionParser::ExpressionParseStatus parse_error;
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virtual ~ControlReference() { delete parsed_expression; }
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int BoundCount()
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{
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if (parsed_expression)
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return parsed_expression->num_controls;
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else
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return 0;
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}
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protected:
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ControlReference(const bool _is_input)
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: range(1), is_input(_is_input), parsed_expression(nullptr)
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{
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}
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ciface::ExpressionParser::Expression* parsed_expression;
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};
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//
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// InputReference
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//
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// Control reference for inputs
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//
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class InputReference : public ControlReference
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{
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public:
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InputReference() : ControlReference(true) {}
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ControlState State(const ControlState state) override;
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ciface::Core::Device::Control* Detect(const unsigned int ms,
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ciface::Core::Device* const device) override;
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};
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//
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// OutputReference
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//
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// Control reference for outputs
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//
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class OutputReference : public ControlReference
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{
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public:
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OutputReference() : ControlReference(false) {}
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ControlState State(const ControlState state) override;
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ciface::Core::Device::Control* Detect(const unsigned int ms,
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ciface::Core::Device* const device) override;
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};
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ControllerInterface() : m_is_init(false), m_hwnd(nullptr) {}
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void Initialize(void* const hwnd);
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void RefreshDevices();
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void Shutdown();
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void AddDevice(std::shared_ptr<ciface::Core::Device> device);
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void RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback);
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bool IsInit() const { return m_is_init; }
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void UpdateReference(ControlReference* control,
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const ciface::Core::DeviceQualifier& default_device) const;
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void UpdateInput();
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void RegisterHotplugCallback(std::function<void(void)> callback);
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void InvokeHotplugCallbacks() const;
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private:
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std::vector<std::function<void()>> m_hotplug_callbacks;
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bool m_is_init;
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void* m_hwnd;
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};
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extern ControllerInterface g_controller_interface;
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