qmk-dactyl-manuform-a/quantum/process_keycode/process_ucis.c

130 lines
3.8 KiB
C

/* 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;
}
}