124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/* Copyright 2017 Jack Humbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "process_ucis.h"
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#include "unicode.h"
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#include "keycode.h"
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#include "wait.h"
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ucis_state_t ucis_state;
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void ucis_start(void) {
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ucis_state.count = 0;
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ucis_state.in_progress = true;
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ucis_start_user();
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}
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__attribute__((weak)) void ucis_start_user(void) {
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register_unicode(0x2328); // ⌨
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}
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__attribute__((weak)) void ucis_success(uint8_t symbol_index) {}
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static bool is_uni_seq(char *seq) {
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uint8_t i;
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for (i = 0; seq[i]; i++) {
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uint16_t keycode;
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if ('1' <= seq[i] && seq[i] <= '0') {
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keycode = seq[i] - '1' + KC_1;
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} else {
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keycode = seq[i] - 'a' + KC_A;
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}
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if (i > ucis_state.count || ucis_state.codes[i] != keycode) {
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return false;
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}
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}
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return ucis_state.codes[i] == KC_ENTER || ucis_state.codes[i] == KC_SPACE;
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}
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__attribute__((weak)) void ucis_symbol_fallback(void) {
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for (uint8_t i = 0; i < ucis_state.count - 1; i++) {
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tap_code(ucis_state.codes[i]);
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}
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}
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__attribute__((weak)) void ucis_cancel(void) {}
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void register_ucis(const uint32_t *code_points) {
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for (int i = 0; i < UCIS_MAX_CODE_POINTS && code_points[i]; i++) {
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register_unicode(code_points[i]);
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}
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}
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bool process_ucis(uint16_t keycode, keyrecord_t *record) {
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if (!ucis_state.in_progress || !record->event.pressed) {
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return true;
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}
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bool special = keycode == KC_SPACE || keycode == KC_ENTER || keycode == KC_ESCAPE || keycode == KC_BACKSPACE;
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if (ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH && !special) {
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return false;
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}
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ucis_state.codes[ucis_state.count] = keycode;
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ucis_state.count++;
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switch (keycode) {
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case KC_BACKSPACE:
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if (ucis_state.count >= 2) {
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ucis_state.count -= 2;
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return true;
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} else {
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ucis_state.count--;
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return false;
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}
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case KC_SPACE:
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case KC_ENTER:
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case KC_ESCAPE:
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for (uint8_t i = 0; i < ucis_state.count; i++) {
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tap_code(KC_BACKSPACE);
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}
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if (keycode == KC_ESCAPE) {
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ucis_state.in_progress = false;
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ucis_cancel();
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return false;
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}
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uint8_t i;
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bool symbol_found = false;
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for (i = 0; ucis_symbol_table[i].symbol; i++) {
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if (is_uni_seq(ucis_symbol_table[i].symbol)) {
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symbol_found = true;
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register_ucis(ucis_symbol_table[i].code_points);
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break;
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}
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}
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if (symbol_found) {
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ucis_success(i);
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} else {
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ucis_symbol_fallback();
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}
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ucis_state.in_progress = false;
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return false;
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default:
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return true;
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}
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}
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