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https://github.com/dolphin-emu/dolphin.git
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93f5df4195
This adds RemoveDevice() to ControllerInterface, fixes ExpressionParser and some other code to support device removals without crashing, and adds an IsValid() method to Device, to prepare for hotplugging.
140 lines
3.9 KiB
C++
140 lines
3.9 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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#if defined(HAVE_X11_XINPUT2) && HAVE_X11_XINPUT2
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#define CIFACE_USE_X11_XINPUT2
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#endif
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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 Reinitialize();
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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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