134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/* Copyright 2022
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#include "unicode_keycodes.h"
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/**
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* \file
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*
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* \defgroup unicode Unicode
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* \{
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*/
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typedef union {
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uint8_t raw;
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struct {
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uint8_t input_mode : 8;
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};
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} unicode_config_t;
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_Static_assert(sizeof(unicode_config_t) == sizeof(uint8_t), "Unicode EECONFIG out of spec.");
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extern unicode_config_t unicode_config;
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enum unicode_input_modes {
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UNICODE_MODE_MACOS, // macOS using Unicode Hex Input
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UNICODE_MODE_LINUX, // Linux using IBus
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UNICODE_MODE_WINDOWS, // Windows using EnableHexNumpad
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UNICODE_MODE_BSD, // BSD (not implemented)
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UNICODE_MODE_WINCOMPOSE, // Windows using WinCompose (https://github.com/samhocevar/wincompose)
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UNICODE_MODE_EMACS, // Emacs is an operating system in search of a good text editor
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UNICODE_MODE_COUNT // Number of available input modes (always leave at the end)
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};
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void unicode_input_mode_init(void);
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/**
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* \brief Get the current Unicode input mode.
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*
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* \return The currently active Unicode input mode.
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*/
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uint8_t get_unicode_input_mode(void);
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/**
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* \brief Set the Unicode input mode.
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*
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* \param mode The input mode to set.
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*/
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void set_unicode_input_mode(uint8_t mode);
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/**
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* \brief Change to the next Unicode input mode.
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*/
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void unicode_input_mode_step(void);
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/**
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* \brief Change to the previous Unicode input mode.
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*/
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void unicode_input_mode_step_reverse(void);
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/**
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* \brief User-level callback, invoked when the input mode is changed.
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*
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* \param input_mode The new input mode.
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*/
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void unicode_input_mode_set_user(uint8_t input_mode);
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/**
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* \brief Keyboard-level callback, invoked when the input mode is changed.
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*
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* \param input_mode The new input mode.
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*/
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void unicode_input_mode_set_kb(uint8_t input_mode);
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/**
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* \brief Begin the Unicode input sequence. The exact behavior depends on the currently selected input mode.
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*/
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void unicode_input_start(void);
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/**
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* \brief Complete the Unicode input sequence. The exact behavior depends on the currently selected input mode.
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*/
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void unicode_input_finish(void);
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/**
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* \brief Cancel the Unicode input sequence. The exact behavior depends on the currently selected input mode.
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*/
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void unicode_input_cancel(void);
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/**
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* \brief Send a 16-bit hex number.
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*
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* \param hex The number to send.
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*/
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void register_hex(uint16_t hex);
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/**
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* \brief Send a 32-bit hex number.
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*
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* \param hex The number to send.
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*/
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void register_hex32(uint32_t hex);
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/**
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* \brief Input a single Unicode character. A surrogate pair will be sent if required by the input mode.
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*
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* \param code_point The code point of the character to send.
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*/
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void register_unicode(uint32_t code_point);
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/**
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* \brief Send a string containing Unicode characters.
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*
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* \param str The string to send.
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*/
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void send_unicode_string(const char *str);
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/** \} */
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