qmk_firmware/quantum/unicode/ucis.h

98 lines
1.7 KiB
C

// Copyright 2023 QMK
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <stdbool.h>
#include <stdint.h>
/**
* \file
*
* \defgroup ucis UCIS
* \{
*/
#ifndef UCIS_MAX_INPUT_LENGTH
# define UCIS_MAX_INPUT_LENGTH 32
#endif
#ifndef UCIS_MAX_CODE_POINTS
# define UCIS_MAX_CODE_POINTS 3
#endif
typedef struct {
char* mnemonic;
uint32_t code_points[UCIS_MAX_CODE_POINTS];
} ucis_symbol_t;
// clang-format off
#define UCIS_TABLE(...) { \
__VA_ARGS__, \
{ NULL, {} } \
}
#define UCIS_SYM(name, ...) { \
.mnemonic = name, \
.code_points = {__VA_ARGS__} \
}
// clang-format on
extern const ucis_symbol_t ucis_symbol_table[];
/**
* \brief Begin the input sequence.
*/
void ucis_start(void);
/**
* \brief Whether UCIS is currently active.
*
* \return `true` if UCIS is active.
*/
bool ucis_active(void);
/**
* \brief Get the number of characters in the input sequence buffer.
*
* \return The current input sequence buffer length.
*/
uint8_t ucis_count(void);
/**
* \brief Add the given keycode to the input sequence buffer.
*
* \param keycode The keycode to add. Must be between `KC_A` and `KC_Z`, or `KC_1` and `KC_0`.
*
* \return `true` if the keycode was added.
*/
bool ucis_add(uint16_t keycode);
/**
* \brief Remove the last character from the input sequence.
*
* \return `true` if the sequence was not empty.
*/
bool ucis_remove_last(void);
/**
* Mark the input sequence as complete, and attempt to match.
*/
void ucis_finish(void);
/**
* \brief Cancel the input sequence.
*/
void ucis_cancel(void);
/**
* Send the code point(s) for the given UCIS index.
*
* \param index The index into the UCIS symbol table.
*/
void register_ucis(uint8_t index);
/** \} */