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"
19 void register_hex32(uint32_t hex) {
20 bool onzerostart = true;
21 for(int i = 7; i >= 0; i--) {
25 uint8_t digit = ((hex >> (i*4)) & 0xF);
28 register_code(hex_to_keycode(digit));
29 unregister_code(hex_to_keycode(digit));
32 register_code(hex_to_keycode(digit));
33 unregister_code(hex_to_keycode(digit));
40 uint16_t unicodemap_index(uint16_t keycode) {
41 if (keycode >= QK_UNICODEMAP_PAIR) {
42 // Keycode is a pair: extract index based on Shift / Caps Lock state
43 uint16_t index = keycode - QK_UNICODEMAP_PAIR;
45 bool shift = unicode_saved_mods & MOD_MASK_SHIFT, caps = IS_HOST_LED_ON(USB_LED_CAPS_LOCK);
46 if (shift ^ caps) { index >>= 7; }
50 // Keycode is a regular index
51 return keycode - QK_UNICODEMAP;
55 bool process_unicodemap(uint16_t keycode, keyrecord_t *record) {
56 if (keycode >= QK_UNICODEMAP && keycode <= QK_UNICODEMAP_PAIR_MAX && record->event.pressed) {
57 unicode_input_start();
59 uint32_t code = pgm_read_dword(unicode_map + unicodemap_index(keycode));
60 uint8_t input_mode = get_unicode_input_mode();
62 if (code > 0x10FFFF || (code > 0xFFFF && input_mode == UC_WIN)) {
63 // Character is out of range supported by the platform
64 unicode_input_cancel();
65 } else if (code > 0xFFFF && input_mode == UC_OSX) {
66 // Convert to UTF-16 surrogate pair on Mac
68 uint32_t lo = code & 0x3FF, hi = (code & 0xFFC00) >> 10;
69 register_hex32(hi + 0xD800);
70 register_hex32(lo + 0xDC00);
71 unicode_input_finish();
74 unicode_input_finish();