350 lines
10 KiB
C
350 lines
10 KiB
C
/* Copyright 2017 Jack Humbert
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "process_unicode_common.h"
|
|
#include "eeprom.h"
|
|
|
|
unicode_config_t unicode_config;
|
|
uint8_t unicode_saved_mods;
|
|
bool unicode_saved_caps_lock;
|
|
bool unicode_saved_num_lock;
|
|
|
|
#if UNICODE_SELECTED_MODES != -1
|
|
static uint8_t selected[] = {UNICODE_SELECTED_MODES};
|
|
static int8_t selected_count = sizeof selected / sizeof *selected;
|
|
static int8_t selected_index;
|
|
#endif
|
|
|
|
void unicode_input_mode_init(void) {
|
|
unicode_config.raw = eeprom_read_byte(EECONFIG_UNICODEMODE);
|
|
#if UNICODE_SELECTED_MODES != -1
|
|
# if UNICODE_CYCLE_PERSIST
|
|
// Find input_mode in selected modes
|
|
int8_t i;
|
|
for (i = 0; i < selected_count; i++) {
|
|
if (selected[i] == unicode_config.input_mode) {
|
|
selected_index = i;
|
|
break;
|
|
}
|
|
}
|
|
if (i == selected_count) {
|
|
// Not found: input_mode isn't selected, change to one that is
|
|
unicode_config.input_mode = selected[selected_index = 0];
|
|
}
|
|
# else
|
|
// Always change to the first selected input mode
|
|
unicode_config.input_mode = selected[selected_index = 0];
|
|
# endif
|
|
#endif
|
|
dprintf("Unicode input mode init to: %u\n", unicode_config.input_mode);
|
|
}
|
|
|
|
uint8_t get_unicode_input_mode(void) {
|
|
return unicode_config.input_mode;
|
|
}
|
|
|
|
void set_unicode_input_mode(uint8_t mode) {
|
|
unicode_config.input_mode = mode;
|
|
persist_unicode_input_mode();
|
|
dprintf("Unicode input mode set to: %u\n", unicode_config.input_mode);
|
|
}
|
|
|
|
void cycle_unicode_input_mode(int8_t offset) {
|
|
#if UNICODE_SELECTED_MODES != -1
|
|
selected_index = (selected_index + offset) % selected_count;
|
|
if (selected_index < 0) {
|
|
selected_index += selected_count;
|
|
}
|
|
unicode_config.input_mode = selected[selected_index];
|
|
# if UNICODE_CYCLE_PERSIST
|
|
persist_unicode_input_mode();
|
|
# endif
|
|
dprintf("Unicode input mode cycle to: %u\n", unicode_config.input_mode);
|
|
#endif
|
|
}
|
|
|
|
void persist_unicode_input_mode(void) {
|
|
eeprom_update_byte(EECONFIG_UNICODEMODE, unicode_config.input_mode);
|
|
}
|
|
|
|
__attribute__((weak)) void unicode_input_start(void) {
|
|
unicode_saved_caps_lock = host_keyboard_led_state().caps_lock;
|
|
unicode_saved_num_lock = host_keyboard_led_state().num_lock;
|
|
|
|
// Note the order matters here!
|
|
// Need to do this before we mess around with the mods, or else
|
|
// UNICODE_KEY_LNX (which is usually Ctrl-Shift-U) might not work
|
|
// correctly in the shifted case.
|
|
if (unicode_config.input_mode == UC_LNX && unicode_saved_caps_lock) {
|
|
tap_code(KC_CAPS_LOCK);
|
|
}
|
|
|
|
unicode_saved_mods = get_mods(); // Save current mods
|
|
clear_mods(); // Unregister mods to start from a clean state
|
|
|
|
switch (unicode_config.input_mode) {
|
|
case UC_MAC:
|
|
register_code(UNICODE_KEY_MAC);
|
|
break;
|
|
case UC_LNX:
|
|
tap_code16(UNICODE_KEY_LNX);
|
|
break;
|
|
case UC_WIN:
|
|
// For increased reliability, use numpad keys for inputting digits
|
|
if (!unicode_saved_num_lock) {
|
|
tap_code(KC_NUM_LOCK);
|
|
}
|
|
register_code(KC_LEFT_ALT);
|
|
wait_ms(UNICODE_TYPE_DELAY);
|
|
tap_code(KC_KP_PLUS);
|
|
break;
|
|
case UC_WINC:
|
|
tap_code(UNICODE_KEY_WINC);
|
|
tap_code(KC_U);
|
|
break;
|
|
}
|
|
|
|
wait_ms(UNICODE_TYPE_DELAY);
|
|
}
|
|
|
|
__attribute__((weak)) void unicode_input_finish(void) {
|
|
switch (unicode_config.input_mode) {
|
|
case UC_MAC:
|
|
unregister_code(UNICODE_KEY_MAC);
|
|
break;
|
|
case UC_LNX:
|
|
tap_code(KC_SPACE);
|
|
if (unicode_saved_caps_lock) {
|
|
tap_code(KC_CAPS_LOCK);
|
|
}
|
|
break;
|
|
case UC_WIN:
|
|
unregister_code(KC_LEFT_ALT);
|
|
if (!unicode_saved_num_lock) {
|
|
tap_code(KC_NUM_LOCK);
|
|
}
|
|
break;
|
|
case UC_WINC:
|
|
tap_code(KC_ENTER);
|
|
break;
|
|
}
|
|
|
|
set_mods(unicode_saved_mods); // Reregister previously set mods
|
|
}
|
|
|
|
__attribute__((weak)) void unicode_input_cancel(void) {
|
|
switch (unicode_config.input_mode) {
|
|
case UC_MAC:
|
|
unregister_code(UNICODE_KEY_MAC);
|
|
break;
|
|
case UC_LNX:
|
|
tap_code(KC_ESCAPE);
|
|
if (unicode_saved_caps_lock) {
|
|
tap_code(KC_CAPS_LOCK);
|
|
}
|
|
break;
|
|
case UC_WINC:
|
|
tap_code(KC_ESCAPE);
|
|
break;
|
|
case UC_WIN:
|
|
unregister_code(KC_LEFT_ALT);
|
|
if (!unicode_saved_num_lock) {
|
|
tap_code(KC_NUM_LOCK);
|
|
}
|
|
break;
|
|
}
|
|
|
|
set_mods(unicode_saved_mods); // Reregister previously set mods
|
|
}
|
|
|
|
// clang-format off
|
|
|
|
static void send_nibble_wrapper(uint8_t digit) {
|
|
if (unicode_config.input_mode == UC_WIN) {
|
|
uint8_t kc = digit < 10
|
|
? KC_KP_1 + (10 + digit - 1) % 10
|
|
: KC_A + (digit - 10);
|
|
tap_code(kc);
|
|
return;
|
|
}
|
|
send_nibble(digit);
|
|
}
|
|
|
|
// clang-format on
|
|
|
|
void register_hex(uint16_t hex) {
|
|
for (int i = 3; i >= 0; i--) {
|
|
uint8_t digit = ((hex >> (i * 4)) & 0xF);
|
|
send_nibble_wrapper(digit);
|
|
}
|
|
}
|
|
|
|
void register_hex32(uint32_t hex) {
|
|
bool onzerostart = true;
|
|
for (int i = 7; i >= 0; i--) {
|
|
if (i <= 3) {
|
|
onzerostart = false;
|
|
}
|
|
uint8_t digit = ((hex >> (i * 4)) & 0xF);
|
|
if (digit == 0) {
|
|
if (!onzerostart) {
|
|
send_nibble_wrapper(digit);
|
|
}
|
|
} else {
|
|
send_nibble_wrapper(digit);
|
|
onzerostart = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void register_unicode(uint32_t code_point) {
|
|
if (code_point > 0x10FFFF || (code_point > 0xFFFF && unicode_config.input_mode == UC_WIN)) {
|
|
// Code point out of range, do nothing
|
|
return;
|
|
}
|
|
|
|
unicode_input_start();
|
|
if (code_point > 0xFFFF && unicode_config.input_mode == UC_MAC) {
|
|
// Convert code point to UTF-16 surrogate pair on macOS
|
|
code_point -= 0x10000;
|
|
uint32_t lo = code_point & 0x3FF, hi = (code_point & 0xFFC00) >> 10;
|
|
register_hex32(hi + 0xD800);
|
|
register_hex32(lo + 0xDC00);
|
|
} else {
|
|
register_hex32(code_point);
|
|
}
|
|
unicode_input_finish();
|
|
}
|
|
|
|
// Borrowed from https://nullprogram.com/blog/2017/10/06/
|
|
static const char *decode_utf8(const char *str, int32_t *code_point) {
|
|
const char *next;
|
|
|
|
if (str[0] < 0x80) { // U+0000-007F
|
|
*code_point = str[0];
|
|
next = str + 1;
|
|
} else if ((str[0] & 0xE0) == 0xC0) { // U+0080-07FF
|
|
*code_point = ((int32_t)(str[0] & 0x1F) << 6) | ((int32_t)(str[1] & 0x3F) << 0);
|
|
next = str + 2;
|
|
} else if ((str[0] & 0xF0) == 0xE0) { // U+0800-FFFF
|
|
*code_point = ((int32_t)(str[0] & 0x0F) << 12) | ((int32_t)(str[1] & 0x3F) << 6) | ((int32_t)(str[2] & 0x3F) << 0);
|
|
next = str + 3;
|
|
} else if ((str[0] & 0xF8) == 0xF0 && (str[0] <= 0xF4)) { // U+10000-10FFFF
|
|
*code_point = ((int32_t)(str[0] & 0x07) << 18) | ((int32_t)(str[1] & 0x3F) << 12) | ((int32_t)(str[2] & 0x3F) << 6) | ((int32_t)(str[3] & 0x3F) << 0);
|
|
next = str + 4;
|
|
} else {
|
|
*code_point = -1;
|
|
next = str + 1;
|
|
}
|
|
|
|
// part of a UTF-16 surrogate pair - invalid
|
|
if (*code_point >= 0xD800 && *code_point <= 0xDFFF) {
|
|
*code_point = -1;
|
|
}
|
|
|
|
return next;
|
|
}
|
|
|
|
void send_unicode_string(const char *str) {
|
|
if (!str) {
|
|
return;
|
|
}
|
|
|
|
while (*str) {
|
|
int32_t code_point = 0;
|
|
str = decode_utf8(str, &code_point);
|
|
|
|
if (code_point >= 0) {
|
|
register_unicode(code_point);
|
|
}
|
|
}
|
|
}
|
|
|
|
// clang-format off
|
|
|
|
static void audio_helper(void) {
|
|
#ifdef AUDIO_ENABLE
|
|
switch (get_unicode_input_mode()) {
|
|
# ifdef UNICODE_SONG_MAC
|
|
static float song_mac[][2] = UNICODE_SONG_MAC;
|
|
case UC_MAC:
|
|
PLAY_SONG(song_mac);
|
|
break;
|
|
# endif
|
|
# ifdef UNICODE_SONG_LNX
|
|
static float song_lnx[][2] = UNICODE_SONG_LNX;
|
|
case UC_LNX:
|
|
PLAY_SONG(song_lnx);
|
|
break;
|
|
# endif
|
|
# ifdef UNICODE_SONG_WIN
|
|
static float song_win[][2] = UNICODE_SONG_WIN;
|
|
case UC_WIN:
|
|
PLAY_SONG(song_win);
|
|
break;
|
|
# endif
|
|
# ifdef UNICODE_SONG_BSD
|
|
static float song_bsd[][2] = UNICODE_SONG_BSD;
|
|
case UC_BSD:
|
|
PLAY_SONG(song_bsd);
|
|
break;
|
|
# endif
|
|
# ifdef UNICODE_SONG_WINC
|
|
static float song_winc[][2] = UNICODE_SONG_WINC;
|
|
case UC_WINC:
|
|
PLAY_SONG(song_winc);
|
|
break;
|
|
# endif
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// clang-format on
|
|
|
|
bool process_unicode_common(uint16_t keycode, keyrecord_t *record) {
|
|
if (record->event.pressed) {
|
|
bool shifted = get_mods() & MOD_MASK_SHIFT;
|
|
switch (keycode) {
|
|
case UNICODE_MODE_FORWARD:
|
|
cycle_unicode_input_mode(shifted ? -1 : +1);
|
|
audio_helper();
|
|
break;
|
|
case UNICODE_MODE_REVERSE:
|
|
cycle_unicode_input_mode(shifted ? +1 : -1);
|
|
audio_helper();
|
|
break;
|
|
|
|
case UNICODE_MODE_MAC ... UNICODE_MODE_WINC: {
|
|
// Keycodes and input modes follow the same ordering
|
|
uint8_t delta = keycode - UNICODE_MODE_MAC;
|
|
set_unicode_input_mode(UC_MAC + delta);
|
|
audio_helper();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(UNICODE_ENABLE)
|
|
return process_unicode(keycode, record);
|
|
#elif defined(UNICODEMAP_ENABLE)
|
|
return process_unicodemap(keycode, record);
|
|
#elif defined(UCIS_ENABLE)
|
|
return process_ucis(keycode, record);
|
|
#else
|
|
return true;
|
|
#endif
|
|
}
|