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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();
}
__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 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);
}
}
__attribute__((weak))
void qk_ucis_cancel(void) {
}
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;
qk_ucis_cancel();
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();
if (symbol_found) {
qk_ucis_success(i);
}
qk_ucis_state.in_progress = false;
return false;
}
return true;
}
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