1 #include "process_unicode.h"
3 static uint8_t input_mode;
5 uint16_t hex_to_keycode(uint8_t hex)
9 } else if (hex < 0xA) {
10 return KC_1 + (hex - 0x1);
12 return KC_A + (hex - 0xA);
16 void set_unicode_input_mode(uint8_t os_target)
18 input_mode = os_target;
21 void unicode_input_start (void) {
24 register_code(KC_LALT);
27 register_code(KC_LCTL);
28 register_code(KC_LSFT);
30 unregister_code(KC_U);
31 unregister_code(KC_LSFT);
32 unregister_code(KC_LCTL);
35 register_code(KC_LALT);
36 register_code(KC_PPLS);
37 unregister_code(KC_PPLS);
42 void unicode_input_finish (void) {
46 unregister_code(KC_LALT);
49 register_code(KC_SPC);
50 unregister_code(KC_SPC);
55 void register_hex(uint16_t hex) {
56 for(int i = 3; i >= 0; i--) {
57 uint8_t digit = ((hex >> (i*4)) & 0xF);
58 register_code(hex_to_keycode(digit));
59 unregister_code(hex_to_keycode(digit));
63 bool process_unicode(uint16_t keycode, keyrecord_t *record) {
64 if (keycode > QK_UNICODE && record->event.pressed) {
65 uint16_t unicode = keycode & 0x7FFF;
66 unicode_input_start();
67 register_hex(unicode);
68 unicode_input_finish();
74 void qk_ucis_start(void) {
75 qk_ucis_state.count = 0;
76 qk_ucis_state.in_progress = true;
82 void qk_ucis_start_user(void) {
83 unicode_input_start();
85 unicode_input_finish();
88 static bool is_uni_seq(char *seq) {
91 for (i = 0; seq[i]; i++) {
93 if (('1' <= seq[i]) && (seq[i] <= '0'))
94 code = seq[i] - '1' + KC_1;
96 code = seq[i] - 'a' + KC_A;
98 if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
102 return (qk_ucis_state.codes[i] == KC_ENT ||
103 qk_ucis_state.codes[i] == KC_SPC);
106 __attribute__((weak))
107 void qk_ucis_symbol_fallback (void) {
108 for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
109 uint8_t code = qk_ucis_state.codes[i];
111 unregister_code(code);
115 bool process_ucis (uint16_t keycode, keyrecord_t *record) {
118 if (!qk_ucis_state.in_progress)
121 if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
122 !(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
126 if (!record->event.pressed)
129 qk_ucis_state.codes[qk_ucis_state.count] = keycode;
130 qk_ucis_state.count++;
132 if (keycode == KC_BSPC) {
133 if (qk_ucis_state.count >= 2) {
134 qk_ucis_state.count -= 2;
137 qk_ucis_state.count--;
142 if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
143 bool symbol_found = false;
145 for (i = qk_ucis_state.count; i > 0; i--) {
146 register_code (KC_BSPC);
147 unregister_code (KC_BSPC);
150 if (keycode == KC_ESC) {
151 qk_ucis_state.in_progress = false;
155 unicode_input_start();
156 for (i = 0; ucis_symbol_table[i].symbol; i++) {
157 if (is_uni_seq (ucis_symbol_table[i].symbol)) {
159 for (uint8_t j = 0; ucis_symbol_table[i].codes[j]; j++) {
160 register_hex(ucis_symbol_table[i].codes[j]);
166 qk_ucis_symbol_fallback();
168 unicode_input_finish();
170 qk_ucis_state.in_progress = false;