1 /* Copyright 2017 Jack Humbert
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include "process_unicodemap.h"
18 #include "process_unicode_common.h"
21 const uint32_t PROGMEM unicode_map[] = {
24 void register_hex32(uint32_t hex) {
25 bool onzerostart = true;
26 for(int i = 7; i >= 0; i--) {
30 uint8_t digit = ((hex >> (i*4)) & 0xF);
33 register_code(hex_to_keycode(digit));
34 unregister_code(hex_to_keycode(digit));
37 register_code(hex_to_keycode(digit));
38 unregister_code(hex_to_keycode(digit));
45 void unicode_map_input_error() {}
47 bool process_unicode_map(uint16_t keycode, keyrecord_t *record) {
48 unicode_input_mode_init();
49 uint8_t input_mode = get_unicode_input_mode();
50 if ((keycode & QK_UNICODE_MAP) == QK_UNICODE_MAP && record->event.pressed) {
51 const uint32_t* map = unicode_map;
52 uint16_t index = keycode - QK_UNICODE_MAP;
53 uint32_t code = pgm_read_dword(&map[index]);
54 if (code > 0xFFFF && code <= 0x10ffff && (input_mode == UC_OSX || input_mode == UC_OSX_RALT)) {
55 // Convert to UTF-16 surrogate pair
57 uint32_t lo = code & 0x3ff;
58 uint32_t hi = (code & 0xffc00) >> 10;
59 unicode_input_start();
60 register_hex32(hi + 0xd800);
61 register_hex32(lo + 0xdc00);
62 unicode_input_finish();
63 } else if ((code > 0x10ffff && (input_mode == UC_OSX || input_mode == UC_OSX_RALT)) || (code > 0xFFFFF && input_mode == UC_LNX)) {
64 // when character is out of range supported by the OS
65 unicode_map_input_error();
67 unicode_input_start();
69 unicode_input_finish();