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;
78 unicode_input_start();
80 unicode_input_finish();
83 static bool is_uni_seq(char *seq) {
86 for (i = 0; seq[i]; i++) {
88 if (('1' <= seq[i]) && (seq[i] <= '0'))
89 code = seq[i] - '1' + KC_1;
91 code = seq[i] - 'a' + KC_A;
93 if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
97 return (qk_ucis_state.codes[i] == KC_ENT ||
98 qk_ucis_state.codes[i] == KC_SPC);
101 __attribute__((weak))
102 void qk_ucis_symbol_fallback (void) {
103 for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
104 uint8_t code = qk_ucis_state.codes[i];
106 unregister_code(code);
110 bool process_record_ucis (uint16_t keycode, keyrecord_t *record) {
113 if (!qk_ucis_state.in_progress || !record->event.pressed)
116 qk_ucis_state.codes[qk_ucis_state.count] = keycode;
117 qk_ucis_state.count++;
119 if (keycode == KC_BSPC) {
120 if (qk_ucis_state.count >= 2) {
121 qk_ucis_state.count -= 2;
124 qk_ucis_state.count--;
129 if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
130 bool symbol_found = false;
132 for (i = qk_ucis_state.count; i > 0; i--) {
133 register_code (KC_BSPC);
134 unregister_code (KC_BSPC);
137 if (keycode == KC_ESC) {
138 qk_ucis_state.in_progress = false;
142 unicode_input_start();
143 for (i = 0; ucis_symbol_table[i].symbol; i++) {
144 if (is_uni_seq (ucis_symbol_table[i].symbol)) {
146 for (uint8_t j = 0; ucis_symbol_table[i].codes[j]; j++) {
147 register_hex(ucis_symbol_table[i].codes[j]);
153 qk_ucis_symbol_fallback();
155 unicode_input_finish();
157 qk_ucis_state.in_progress = false;