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 void register_hex32(uint32_t hex) {
64 for(int i = 7; i >= 0; i--) {
65 uint8_t digit = ((hex >> (i*8)) & 0xF);
66 register_code(hex_to_keycode(digit));
67 unregister_code(hex_to_keycode(digit));
71 bool process_unicode(uint16_t keycode, keyrecord_t *record) {
72 if (keycode > QK_UNICODE && record->event.pressed) {
73 uint16_t unicode = keycode & 0x7FFF;
74 unicode_input_start();
75 register_hex(unicode);
76 unicode_input_finish();
82 void qk_ucis_start(void) {
83 qk_ucis_state.count = 0;
84 qk_ucis_state.in_progress = true;
90 void qk_ucis_start_user(void) {
91 unicode_input_start();
93 unicode_input_finish();
96 static bool is_uni_seq(char *seq) {
99 for (i = 0; seq[i]; i++) {
101 if (('1' <= seq[i]) && (seq[i] <= '0'))
102 code = seq[i] - '1' + KC_1;
104 code = seq[i] - 'a' + KC_A;
106 if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
110 return (qk_ucis_state.codes[i] == KC_ENT ||
111 qk_ucis_state.codes[i] == KC_SPC);
114 __attribute__((weak))
115 void qk_ucis_symbol_fallback (void) {
116 for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
117 uint8_t code = qk_ucis_state.codes[i];
119 unregister_code(code);
123 bool process_ucis (uint16_t keycode, keyrecord_t *record) {
126 if (!qk_ucis_state.in_progress)
129 if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
130 !(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
134 if (!record->event.pressed)
137 qk_ucis_state.codes[qk_ucis_state.count] = keycode;
138 qk_ucis_state.count++;
140 if (keycode == KC_BSPC) {
141 if (qk_ucis_state.count >= 2) {
142 qk_ucis_state.count -= 2;
145 qk_ucis_state.count--;
150 if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
151 bool symbol_found = false;
153 for (i = qk_ucis_state.count; i > 0; i--) {
154 register_code (KC_BSPC);
155 unregister_code (KC_BSPC);
158 if (keycode == KC_ESC) {
159 qk_ucis_state.in_progress = false;
163 unicode_input_start();
164 for (i = 0; ucis_symbol_table[i].symbol; i++) {
165 if (is_uni_seq (ucis_symbol_table[i].symbol)) {
167 register_hex32(ucis_symbol_table[i].code);
172 qk_ucis_symbol_fallback();
174 unicode_input_finish();
176 qk_ucis_state.in_progress = false;