yuzu/src/common/key_map.h

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// Copyright 2014 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.
#pragma once
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#include <array>
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#include <tuple>
#include "core/hle/service/hid/hid.h"
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class EmuWindow;
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namespace KeyMap {
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/**
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* Represents key mapping targets that are not real 3DS buttons.
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* They will be handled by KeyMap and translated to 3DS input.
*/
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enum class IndirectTarget {
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CirclePadUp,
CirclePadDown,
CirclePadLeft,
CirclePadRight,
CirclePadModifier,
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};
/**
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* Represents a key mapping target. It can be a PadState that represents real 3DS buttons,
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* 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);
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}
bool operator==(const HostDeviceKey& other) const {
return std::tie(key_code, device_id) == std::tie(other.key_code, other.device_id);
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}
};
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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();
/**
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* 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);
/**
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* Maps a key press action and call the corresponding function in EmuWindow
*/
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void PressKey(EmuWindow& emu_window, HostDeviceKey key);
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/**
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* Maps a key release action and call the corresponding function in EmuWindow
*/
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void ReleaseKey(EmuWindow& emu_window, HostDeviceKey key);
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}