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#include "process_unicode.h"
static uint8_t input_mode;
uint16_t hex_to_keycode(uint8_t hex)
{
if (hex == 0x0) {
return KC_0;
} else if (hex < 0xA) {
return KC_1 + (hex - 0x1);
} else {
return KC_A + (hex - 0xA);
}
}
void set_unicode_input_mode(uint8_t os_target)
{
input_mode = os_target;
}
void unicode_input_start (void) {
switch(input_mode) {
case UC_OSX:
register_code(KC_LALT);
break;
case UC_LNX:
register_code(KC_LCTL);
register_code(KC_LSFT);
register_code(KC_U);
unregister_code(KC_U);
unregister_code(KC_LSFT);
unregister_code(KC_LCTL);
break;
case UC_WIN:
register_code(KC_LALT);
register_code(KC_PPLS);
unregister_code(KC_PPLS);
break;
}
}
void unicode_input_finish (void) {
switch(input_mode) {
case UC_OSX:
case UC_WIN:
unregister_code(KC_LALT);
break;
case UC_LNX:
register_code(KC_SPC);
unregister_code(KC_SPC);
break;
}
}
void register_hex(uint16_t hex) {
for(int i = 3; i >= 0; i--) {
uint8_t digit = ((hex >> (i*4)) & 0xF);
register_code(hex_to_keycode(digit));
unregister_code(hex_to_keycode(digit));
}
}
bool process_unicode(uint16_t keycode, keyrecord_t *record) {
if (keycode > QK_UNICODE && record->event.pressed) {
uint16_t unicode = keycode & 0x7FFF;
unicode_input_start();
register_hex(unicode);
unicode_input_finish();
}
return true;
}
#ifdef UCIS_ENABLE
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();
}
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);
}
}
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);
}
if (keycode == KC_ESC) {
qk_ucis_state.in_progress = false;
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;
for (uint8_t j = 0; ucis_symbol_table[i].codes[j]; j++) {
register_hex(ucis_symbol_table[i].codes[j]);
}
break;
}
}
if (!symbol_found) {
qk_ucis_symbol_fallback();
}
unicode_input_finish();
qk_ucis_state.in_progress = false;
return false;
}
return true;
}
#endif
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