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- /* 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_unicodemap.h"
- #include "process_unicode_common.h"
-
- __attribute__((weak))
- const uint32_t PROGMEM unicode_map[] = {
- };
-
- 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) {
- register_code(hex_to_keycode(digit));
- unregister_code(hex_to_keycode(digit));
- }
- } else {
- register_code(hex_to_keycode(digit));
- unregister_code(hex_to_keycode(digit));
- onzerostart = false;
- }
- }
- }
-
- __attribute__((weak))
- void unicode_map_input_error() {}
-
- bool process_unicode_map(uint16_t keycode, keyrecord_t *record) {
- uint8_t input_mode = get_unicode_input_mode();
- if ((keycode & QK_UNICODE_MAP) == QK_UNICODE_MAP && record->event.pressed) {
- const uint32_t* map = unicode_map;
- uint16_t index = keycode - QK_UNICODE_MAP;
- uint32_t code = pgm_read_dword(&map[index]);
- if (code > 0xFFFF && code <= 0x10ffff && (input_mode == UC_OSX || input_mode == UC_OSX_RALT)) {
- // Convert to UTF-16 surrogate pair
- code -= 0x10000;
- uint32_t lo = code & 0x3ff;
- uint32_t hi = (code & 0xffc00) >> 10;
- unicode_input_start();
- register_hex32(hi + 0xd800);
- register_hex32(lo + 0xdc00);
- unicode_input_finish();
- } else if ((code > 0x10ffff && (input_mode == UC_OSX || input_mode == UC_OSX_RALT)) || (code > 0xFFFFF && input_mode == UC_LNX)) {
- // when character is out of range supported by the OS
- unicode_map_input_error();
- } else {
- unicode_input_start();
- register_hex32(code);
- unicode_input_finish();
- }
- }
- return true;
- }
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