qmk_firmware/quantum/repeat_key.h

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// Copyright 2022-2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "action.h"
#include "keyboard.h"
uint16_t get_last_keycode(void); /**< Keycode of the last key. */
uint8_t get_last_mods(void); /**< Mods active with the last key. */
void set_last_keycode(uint16_t keycode); /**< Sets the last key. */
void set_last_mods(uint8_t mods); /**< Sets the last mods. */
/** @brief Gets the record for the last key. */
keyrecord_t* get_last_record(void);
/** @brief Sets keycode and record info for the last key. */
void set_last_record(uint16_t keycode, keyrecord_t* record);
/**
* @brief Signed count of times the key has been repeated or alternate repeated.
*
* @note The count is nonzero only while a repeated or alternate-repeated key is
* being processed.
*
* When a key is pressed normally, the count is 0. When the Repeat Key is used
* to repeat a key, the count is 1 on the first repeat, 2 on the second repeat,
* and continuing up to 127.
*
* Negative counts are used similarly for alternate repeating. When the
* Alternate Repeat Key is used, the count is -1 on the first alternate repeat,
* -2 on the second, continuing down to -127.
*/
int8_t get_repeat_key_count(void);
/**
* @brief Calls `process_record()` on a generated record repeating the last key.
* @param event Event information in the generated record.
*/
void repeat_key_invoke(const keyevent_t* event);
#ifndef NO_ALT_REPEAT_KEY
/**
* @brief Keycode to be used for alternate repeating.
*
* Alternate Repeat performs this keycode based on the last eligible pressed key
* and mods, get_last_keycode() and get_last_mods(). For example, when the last
* key was KC_UP, this function returns KC_DOWN. The function returns KC_NO if
* the last key doesn't have a defined alternate.
*/
uint16_t get_alt_repeat_key_keycode(void);
/**
* @brief Calls `process_record()` to alternate repeat the last key.
* @param event Event information in the generated record.
*/
void alt_repeat_key_invoke(const keyevent_t* event);
/**
* @brief Optional user callback to define additional alternate keys.
*
* When `get_alt_repeat_key_keycode()` is called, it first calls this callback.
* It should return a keycode representing the "alternate" of the given keycode
* and mods. Returning KC_NO defers to the default definitions in
* `get_alt_repeat_key_keycode()`.
*/
uint16_t get_alt_repeat_key_keycode_user(uint16_t keycode, uint8_t mods);
#endif // NO_ALT_REPEAT_KEY