- /* 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();
- }
-
- __attribute__((weak)) void qk_ucis_success(uint8_t symbol_index) {}
-
- static bool is_uni_seq(char *seq) {
- uint8_t i;
- for (i = 0; seq[i]; i++) {
- uint16_t keycode;
- if ('1' <= seq[i] && seq[i] <= '0') {
- keycode = seq[i] - '1' + KC_1;
- } else {
- keycode = seq[i] - 'a' + KC_A;
- }
- if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != keycode) {
- return false;
- }
- }
- return qk_ucis_state.codes[i] == KC_ENTER || qk_ucis_state.codes[i] == KC_SPACE;
- }
-
- __attribute__((weak)) void qk_ucis_symbol_fallback(void) {
- for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
- uint8_t keycode = qk_ucis_state.codes[i];
- register_code(keycode);
- unregister_code(keycode);
- wait_ms(UNICODE_TYPE_DELAY);
- }
- }
-
- __attribute__((weak)) void qk_ucis_cancel(void) {}
-
- void register_ucis(const uint32_t *code_points) {
- for (int i = 0; i < UCIS_MAX_CODE_POINTS && code_points[i]; i++) {
- register_unicode(code_points[i]);
- wait_ms(UNICODE_TYPE_DELAY);
- }
- }
-
- bool process_ucis(uint16_t keycode, keyrecord_t *record) {
- if (!qk_ucis_state.in_progress || !record->event.pressed) {
- return true;
- }
-
- bool special = keycode == KC_SPACE || keycode == KC_ENTER || keycode == KC_ESCAPE || keycode == KC_BACKSPACE;
- if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH && !special) {
- return false;
- }
-
- qk_ucis_state.codes[qk_ucis_state.count] = keycode;
- qk_ucis_state.count++;
-
- switch (keycode) {
- case KC_BACKSPACE:
- if (qk_ucis_state.count >= 2) {
- qk_ucis_state.count -= 2;
- return true;
- } else {
- qk_ucis_state.count--;
- return false;
- }
-
- case KC_SPACE:
- case KC_ENTER:
- case KC_ESCAPE:
- for (uint8_t i = 0; i < qk_ucis_state.count; i++) {
- register_code(KC_BACKSPACE);
- unregister_code(KC_BACKSPACE);
- wait_ms(UNICODE_TYPE_DELAY);
- }
-
- if (keycode == KC_ESCAPE) {
- qk_ucis_state.in_progress = false;
- qk_ucis_cancel();
- return false;
- }
-
- uint8_t i;
- bool symbol_found = false;
- 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_points);
- break;
- }
- }
- if (symbol_found) {
- qk_ucis_success(i);
- } else {
- qk_ucis_symbol_fallback();
- }
-
- qk_ucis_state.in_progress = false;
- return false;
-
- default:
- return true;
- }
- }
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