0a3c5c06fe
Add support for Unicode supplementary planes on OS X
299 lines
7.0 KiB
C
299 lines
7.0 KiB
C
#include "process_unicode.h"
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#include "action_util.h"
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static uint8_t input_mode;
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uint8_t mods;
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__attribute__((weak))
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uint16_t hex_to_keycode(uint8_t hex)
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{
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if (hex == 0x0) {
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return KC_0;
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} else if (hex < 0xA) {
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return KC_1 + (hex - 0x1);
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} else {
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return KC_A + (hex - 0xA);
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}
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}
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void set_unicode_input_mode(uint8_t os_target)
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{
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input_mode = os_target;
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}
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uint8_t get_unicode_input_mode(void) {
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return input_mode;
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}
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__attribute__((weak))
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void unicode_input_start (void) {
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// save current mods
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mods = keyboard_report->mods;
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// unregister all mods to start from clean state
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if (mods & MOD_BIT(KC_LSFT)) unregister_code(KC_LSFT);
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if (mods & MOD_BIT(KC_RSFT)) unregister_code(KC_RSFT);
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if (mods & MOD_BIT(KC_LCTL)) unregister_code(KC_LCTL);
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if (mods & MOD_BIT(KC_RCTL)) unregister_code(KC_RCTL);
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if (mods & MOD_BIT(KC_LALT)) unregister_code(KC_LALT);
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if (mods & MOD_BIT(KC_RALT)) unregister_code(KC_RALT);
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if (mods & MOD_BIT(KC_LGUI)) unregister_code(KC_LGUI);
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if (mods & MOD_BIT(KC_RGUI)) unregister_code(KC_RGUI);
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switch(input_mode) {
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case UC_OSX:
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register_code(KC_LALT);
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break;
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case UC_LNX:
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register_code(KC_LCTL);
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register_code(KC_LSFT);
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register_code(KC_U);
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unregister_code(KC_U);
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unregister_code(KC_LSFT);
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unregister_code(KC_LCTL);
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break;
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case UC_WIN:
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register_code(KC_LALT);
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register_code(KC_PPLS);
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unregister_code(KC_PPLS);
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break;
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case UC_WINC:
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register_code(KC_RALT);
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unregister_code(KC_RALT);
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register_code(KC_U);
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unregister_code(KC_U);
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}
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wait_ms(UNICODE_TYPE_DELAY);
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}
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__attribute__((weak))
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void unicode_input_finish (void) {
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switch(input_mode) {
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case UC_OSX:
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case UC_WIN:
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unregister_code(KC_LALT);
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break;
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case UC_LNX:
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register_code(KC_SPC);
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unregister_code(KC_SPC);
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break;
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}
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// reregister previously set mods
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if (mods & MOD_BIT(KC_LSFT)) register_code(KC_LSFT);
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if (mods & MOD_BIT(KC_RSFT)) register_code(KC_RSFT);
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if (mods & MOD_BIT(KC_LCTL)) register_code(KC_LCTL);
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if (mods & MOD_BIT(KC_RCTL)) register_code(KC_RCTL);
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if (mods & MOD_BIT(KC_LALT)) register_code(KC_LALT);
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if (mods & MOD_BIT(KC_RALT)) register_code(KC_RALT);
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if (mods & MOD_BIT(KC_LGUI)) register_code(KC_LGUI);
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if (mods & MOD_BIT(KC_RGUI)) register_code(KC_RGUI);
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}
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void register_hex(uint16_t hex) {
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for(int i = 3; i >= 0; i--) {
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uint8_t digit = ((hex >> (i*4)) & 0xF);
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register_code(hex_to_keycode(digit));
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unregister_code(hex_to_keycode(digit));
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}
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}
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bool process_unicode(uint16_t keycode, keyrecord_t *record) {
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if (keycode > QK_UNICODE && record->event.pressed) {
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uint16_t unicode = keycode & 0x7FFF;
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unicode_input_start();
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register_hex(unicode);
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unicode_input_finish();
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}
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return true;
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}
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#ifdef UNICODEMAP_ENABLE
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__attribute__((weak))
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const uint32_t PROGMEM unicode_map[] = {
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};
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void register_hex32(uint32_t hex) {
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uint8_t onzerostart = 1;
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for(int i = 7; i >= 0; i--) {
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if (i <= 3) {
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onzerostart = 0;
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}
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uint8_t digit = ((hex >> (i*4)) & 0xF);
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if (digit == 0) {
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if (onzerostart == 0) {
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register_code(hex_to_keycode(digit));
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unregister_code(hex_to_keycode(digit));
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}
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} else {
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register_code(hex_to_keycode(digit));
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unregister_code(hex_to_keycode(digit));
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onzerostart = 0;
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}
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}
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}
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__attribute__((weak))
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void unicode_map_input_error() {}
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bool process_unicode_map(uint16_t keycode, keyrecord_t *record) {
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if ((keycode & QK_UNICODE_MAP) == QK_UNICODE_MAP && record->event.pressed) {
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const uint32_t* map = unicode_map;
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uint16_t index = keycode & 0x7FF;
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uint32_t code = pgm_read_dword_far(&map[index]);
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if (code > 0xFFFF && code <= 0x10ffff && input_mode == UC_OSX) {
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// Convert to UTF-16 surrogate pair
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code -= 0x10000;
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uint32_t lo = code & 0x3ff;
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uint32_t hi = (code & 0xffc00) >> 10;
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unicode_input_start();
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register_hex32(hi + 0xd800);
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register_hex32(lo + 0xdc00);
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unicode_input_finish();
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} else if ((code > 0x10ffff && input_mode == UC_OSX) || (code > 0xFFFFF && input_mode == UC_LNX)) {
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// when character is out of range supported by the OS
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unicode_map_input_error();
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} else {
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unicode_input_start();
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register_hex32(code);
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unicode_input_finish();
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}
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}
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return true;
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}
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#endif
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#ifdef UCIS_ENABLE
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qk_ucis_state_t qk_ucis_state;
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void qk_ucis_start(void) {
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qk_ucis_state.count = 0;
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qk_ucis_state.in_progress = true;
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qk_ucis_start_user();
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}
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__attribute__((weak))
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void qk_ucis_start_user(void) {
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unicode_input_start();
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register_hex(0x2328);
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unicode_input_finish();
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}
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static bool is_uni_seq(char *seq) {
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uint8_t i;
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for (i = 0; seq[i]; i++) {
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uint16_t code;
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if (('1' <= seq[i]) && (seq[i] <= '0'))
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code = seq[i] - '1' + KC_1;
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else
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code = seq[i] - 'a' + KC_A;
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if (i > qk_ucis_state.count || qk_ucis_state.codes[i] != code)
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return false;
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}
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return (qk_ucis_state.codes[i] == KC_ENT ||
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qk_ucis_state.codes[i] == KC_SPC);
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}
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__attribute__((weak))
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void qk_ucis_symbol_fallback (void) {
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for (uint8_t i = 0; i < qk_ucis_state.count - 1; i++) {
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uint8_t code = qk_ucis_state.codes[i];
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register_code(code);
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unregister_code(code);
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wait_ms(UNICODE_TYPE_DELAY);
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}
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}
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void register_ucis(const char *hex) {
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for(int i = 0; hex[i]; i++) {
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uint8_t kc = 0;
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char c = hex[i];
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switch (c) {
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case '0':
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kc = KC_0;
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break;
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case '1' ... '9':
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kc = c - '1' + KC_1;
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break;
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case 'a' ... 'f':
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kc = c - 'a' + KC_A;
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break;
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case 'A' ... 'F':
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kc = c - 'A' + KC_A;
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break;
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}
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if (kc) {
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register_code (kc);
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unregister_code (kc);
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wait_ms (UNICODE_TYPE_DELAY);
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}
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}
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}
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bool process_ucis (uint16_t keycode, keyrecord_t *record) {
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uint8_t i;
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if (!qk_ucis_state.in_progress)
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return true;
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if (qk_ucis_state.count >= UCIS_MAX_SYMBOL_LENGTH &&
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!(keycode == KC_BSPC || keycode == KC_ESC || keycode == KC_SPC || keycode == KC_ENT)) {
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return false;
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}
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if (!record->event.pressed)
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return true;
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qk_ucis_state.codes[qk_ucis_state.count] = keycode;
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qk_ucis_state.count++;
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if (keycode == KC_BSPC) {
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if (qk_ucis_state.count >= 2) {
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qk_ucis_state.count -= 2;
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return true;
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} else {
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qk_ucis_state.count--;
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return false;
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}
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}
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if (keycode == KC_ENT || keycode == KC_SPC || keycode == KC_ESC) {
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bool symbol_found = false;
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for (i = qk_ucis_state.count; i > 0; i--) {
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register_code (KC_BSPC);
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unregister_code (KC_BSPC);
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wait_ms(UNICODE_TYPE_DELAY);
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}
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if (keycode == KC_ESC) {
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qk_ucis_state.in_progress = false;
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return false;
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}
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unicode_input_start();
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for (i = 0; ucis_symbol_table[i].symbol; i++) {
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if (is_uni_seq (ucis_symbol_table[i].symbol)) {
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symbol_found = true;
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register_ucis(ucis_symbol_table[i].code + 2);
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break;
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}
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}
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if (!symbol_found) {
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qk_ucis_symbol_fallback();
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}
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unicode_input_finish();
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qk_ucis_state.in_progress = false;
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return false;
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}
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return true;
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}
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#endif
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