qmk_firmware/quantum/process_keycode/process_unicode.c

/* Copyright 2016 Jack Humbert
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "process_unicode.h"
#include "action_util.h"
#include "eeprom.h"

static uint8_t first_flag = 0;

bool process_unicode(uint16_t keycode, keyrecord_t *record) {
  if (keycode > QK_UNICODE && record->event.pressed) {
    if (first_flag == 0) {
      set_unicode_input_mode(eeprom_read_byte(EECONFIG_UNICODEMODE));
      first_flag = 1;
    }
    uint16_t unicode = keycode & 0x7FFF;
    unicode_input_start();
    register_hex(unicode);
    unicode_input_finish();
  }
  return true;
}