Lime3DS/src/common/key_map.h
2016-05-15 19:35:06 +03:00

97 lines
2.2 KiB
C++

// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <tuple>
#include "core/hle/service/hid/hid.h"
class EmuWindow;
namespace KeyMap {
/**
* Represents key mapping targets that are not real 3DS buttons.
* They will be handled by KeyMap and translated to 3DS input.
*/
enum class IndirectTarget {
CirclePadUp,
CirclePadDown,
CirclePadLeft,
CirclePadRight,
CirclePadModifier,
};
/**
* Represents a key mapping target. It can be a PadState that represents real 3DS buttons,
* or an IndirectTarget.
*/
struct KeyTarget {
bool direct;
union {
u32 direct_target_hex;
IndirectTarget indirect_target;
} target;
KeyTarget() : direct(true) {
target.direct_target_hex = 0;
}
KeyTarget(Service::HID::PadState pad) : direct(true) {
target.direct_target_hex = pad.hex;
}
KeyTarget(IndirectTarget i) : direct(false) {
target.indirect_target = i;
}
};
/**
* Represents a key for a specific host device.
*/
struct HostDeviceKey {
int key_code;
int device_id; ///< Uniquely identifies a host device
bool operator<(const HostDeviceKey &other) const {
return std::tie(key_code, device_id) <
std::tie(other.key_code, other.device_id);
}
bool operator==(const HostDeviceKey &other) const {
return std::tie(key_code, device_id) ==
std::tie(other.key_code, other.device_id);
}
};
extern const std::array<KeyTarget, Settings::NativeInput::NUM_INPUTS> mapping_targets;
/**
* Generates a new device id, which uniquely identifies a host device within KeyMap.
*/
int NewDeviceId();
/**
* Maps a device-specific key to a target (a PadState or an IndirectTarget).
*/
void SetKeyMapping(HostDeviceKey key, KeyTarget target);
/**
* Clears all key mappings belonging to one device.
*/
void ClearKeyMapping(int device_id);
/**
* Maps a key press action and call the corresponding function in EmuWindow
*/
void PressKey(EmuWindow& emu_window, HostDeviceKey key);
/**
* Maps a key release action and call the corresponding function in EmuWindow
*/
void ReleaseKey(EmuWindow& emu_window, HostDeviceKey key);
}