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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_ucis.h"
-
- qk_ucis_state_t qk_ucis_state;
-
- void qk_ucis_start(void) {
- qk_ucis_state.count = 0;
- qk_ucis_state.in_progress = true;
-
- qk_ucis_start_user();
- }
-
- __attribute__((weak))
- void qk_ucis_start_user(void) {
- unicode_input_start();
- register_hex(0x2328);
- unicode_input_finish();
- }
-
- static bool is_uni_seq(char *seq) {
- uint8_t i;
-
- for (i = 0; seq[i]; i++) {
- uint16_t code;
- if (('1' <= seq[i]) && (seq[i] <= '0'))
- code = seq[i] - '1' + KC_1;
- else
- code = seq[i] - 'a' + KC_A;
-
- if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
- return false;
- }
-
- return (qk_ucis_state.codes[i] == KC_ENT ||
- qk_ucis_state.codes[i] == KC_SPC);
- }
-
- __attribute__((weak))
- void qk_ucis_symbol_fallback (void) {
- for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
- uint8_t code = qk_ucis_state.codes[i];
- register_code(code);
- unregister_code(code);
- wait_ms(UNICODE_TYPE_DELAY);
- }
- }
-
- void register_ucis(const char *hex) {
- for(int i = 0; hex[i]; i++) {
- uint8_t kc = 0;
- char c = hex[i];
-
- switch (c) {
- case '0':
- kc = KC_0;
- break;
- case '1' ... '9':
- kc = c - '1' + KC_1;
- break;
- case 'a' ... 'f':
- kc = c - 'a' + KC_A;
- break;
- case 'A' ... 'F':
- kc = c - 'A' + KC_A;
- break;
- }
-
- if (kc) {
- register_code (kc);
- unregister_code (kc);
- wait_ms (UNICODE_TYPE_DELAY);
- }
- }
- }
-
- bool process_ucis (uint16_t keycode, keyrecord_t *record) {
- uint8_t i;
-
- if (!qk_ucis_state.in_progress)
- return true;
-
- if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
- !(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
- return false;
- }
-
- if (!record->event.pressed)
- return true;
-
- qk_ucis_state.codes[qk_ucis_state.count] = keycode;
- qk_ucis_state.count++;
-
- if (keycode == KC_BSPC) {
- if (qk_ucis_state.count >= 2) {
- qk_ucis_state.count -= 2;
- return true;
- } else {
- qk_ucis_state.count--;
- return false;
- }
- }
-
- if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
- bool symbol_found = false;
-
- for (i = qk_ucis_state.count; i > 0; i--) {
- register_code (KC_BSPC);
- unregister_code (KC_BSPC);
- wait_ms(UNICODE_TYPE_DELAY);
- }
-
- if (keycode == KC_ESC) {
- qk_ucis_state.in_progress = false;
- return false;
- }
-
- unicode_input_start();
- for (i = 0; ucis_symbol_table[i].symbol; i++) {
- if (is_uni_seq (ucis_symbol_table[i].symbol)) {
- symbol_found = true;
- register_ucis(ucis_symbol_table[i].code + 2);
- break;
- }
- }
- if (!symbol_found) {
- qk_ucis_symbol_fallback();
- }
- unicode_input_finish();
-
- qk_ucis_state.in_progress = false;
- return false;
- }
- return true;
- }
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