Duckstation/src/frontend-common/input_source.h
2022-08-25 00:55:58 +10:00

79 lines
3.1 KiB
C++

#pragma once
#include <memory>
#include <mutex>
#include <optional>
#include <string_view>
#include <utility>
#include <vector>
#include "common/types.h"
#include "input_manager.h"
class SettingsInterface;
class InputSource
{
public:
InputSource();
virtual ~InputSource();
virtual bool Initialize(SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) = 0;
virtual void UpdateSettings(SettingsInterface& si, std::unique_lock<std::mutex>& settings_lock) = 0;
virtual void Shutdown() = 0;
virtual void PollEvents() = 0;
virtual std::optional<InputBindingKey> ParseKeyString(const std::string_view& device,
const std::string_view& binding) = 0;
virtual std::string ConvertKeyToString(InputBindingKey key) = 0;
/// Enumerates available devices. Returns a pair of the prefix (e.g. SDL-0) and the device name.
virtual std::vector<std::pair<std::string, std::string>> EnumerateDevices() = 0;
/// Enumerates available vibration motors at the time of call.
virtual std::vector<InputBindingKey> EnumerateMotors() = 0;
/// Retrieves bindings that match the generic bindings for the specified device.
/// Returns false if it's not one of our devices.
virtual bool GetGenericBindingMapping(const std::string_view& device, GenericInputBindingMapping* mapping) = 0;
/// Informs the source of a new vibration motor state. Changes may not take effect until the next PollEvents() call.
virtual void UpdateMotorState(InputBindingKey key, float intensity) = 0;
/// Concurrently update both motors where possible, to avoid redundant packets.
virtual void UpdateMotorState(InputBindingKey large_key, InputBindingKey small_key, float large_intensity,
float small_intensity);
/// Creates a key for a generic controller axis event.
static InputBindingKey MakeGenericControllerAxisKey(InputSourceType clazz, u32 controller_index, s32 axis_index);
/// Creates a key for a generic controller button event.
static InputBindingKey MakeGenericControllerButtonKey(InputSourceType clazz, u32 controller_index, s32 button_index);
/// Creates a key for a generic controller motor event.
static InputBindingKey MakeGenericControllerMotorKey(InputSourceType clazz, u32 controller_index, s32 motor_index);
/// Parses a generic controller key string.
static std::optional<InputBindingKey> ParseGenericControllerKey(InputSourceType clazz, const std::string_view& source,
const std::string_view& sub_binding);
/// Converts a generic controller key to a string.
static std::string ConvertGenericControllerKeyToString(InputBindingKey key);
#ifdef _WIN32
static std::unique_ptr<InputSource> CreateDInputSource();
static std::unique_ptr<InputSource> CreateXInputSource();
static std::unique_ptr<InputSource> CreateWin32RawInputSource();
#endif
#ifdef WITH_SDL2
static std::unique_ptr<InputSource> CreateSDLSource();
#endif
#ifdef WITH_EVDEV
static std::unique_ptr<InputSource> CreateEvdevSource();
#endif
#ifdef __ANDROID__
static std::unique_ptr<InputSource> CreateAndroidSource();
#endif
};