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93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "input_common/gcadapter/gc_poller.h"
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#include "input_common/settings.h"
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namespace Common {
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class ParamPackage;
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}
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namespace InputCommon {
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/// Initializes and registers all built-in input device factories.
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void Init();
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/// Deregisters all built-in input device factories and shuts them down.
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void Shutdown();
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class Keyboard;
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/// Gets the keyboard button device factory.
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Keyboard* GetKeyboard();
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class MotionEmu;
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/// Gets the motion emulation factory.
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MotionEmu* GetMotionEmu();
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GCButtonFactory* GetGCButtons();
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GCAnalogFactory* GetGCAnalogs();
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/// Generates a serialized param package for creating a keyboard button device
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std::string GenerateKeyboardParam(int key_code);
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/// Generates a serialized param package for creating an analog device taking input from keyboard
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std::string GenerateAnalogParamFromKeys(int key_up, int key_down, int key_left, int key_right,
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int key_modifier, float modifier_scale);
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/**
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* Return a list of available input devices that this Factory can create a new device with.
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* Each returned Parampackage should have a `display` field used for display, a class field for
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* backends to determine if this backend is meant to service the request and any other information
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* needed to identify this in the backend later.
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*/
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std::vector<Common::ParamPackage> GetInputDevices();
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/**
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* Given a ParamPackage for a Device returned from `GetInputDevices`, attempt to get the default
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* mapping for the device. This is currently only implemented for the sdl backend devices.
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*/
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using ButtonMapping = std::unordered_map<Settings::NativeButton::Values, Common::ParamPackage>;
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using AnalogMapping = std::unordered_map<Settings::NativeAnalog::Values, Common::ParamPackage>;
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ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage&);
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AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage&);
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namespace Polling {
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enum class DeviceType { Button, AnalogPreferred };
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/**
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* A class that can be used to get inputs from an input device like controllers without having to
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* poll the device's status yourself
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*/
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class DevicePoller {
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public:
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virtual ~DevicePoller() = default;
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/// Setup and start polling for inputs, should be called before GetNextInput
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/// If a device_id is provided, events should be filtered to only include events from this
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/// device id
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virtual void Start(const std::string& device_id = "") = 0;
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/// Stop polling
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virtual void Stop() = 0;
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/**
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* Every call to this function returns the next input recorded since calling Start
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* @return A ParamPackage of the recorded input, which can be used to create an InputDevice.
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* If there has been no input, the package is empty
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*/
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virtual Common::ParamPackage GetNextInput() = 0;
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};
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// Get all DevicePoller from all backends for a specific device type
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std::vector<std::unique_ptr<DevicePoller>> GetPollers(DeviceType type);
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} // namespace Polling
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} // namespace InputCommon
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