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/*
Copyright 2015 Jack Humbert <jack.humb@gmail.com>
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 "keymap_common.h"
#include <math.h>
#define UNICODE_OSX /* Mac with Unicode Hex Input */
uint16_t hextokeycode(int hex) {
if (hex == 0x0) {
return KC_0;
} else if (hex < 0xA) {
return KC_1 + (hex - 0x1);
} else {
return KC_A + (hex - 0xA);
}
}
void action_custom(keyrecord_t *record, uint32_t code)
{
// For more info on how this works per OS, see here: https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_code_input
if (record->event.pressed) {
#ifdef UNICODE_OSX
register_code(KC_LALT);
#endif
if (code <= 0xFFFF) {
uint16_t unicode = (code & 0xFFFF);
for(int i = 3; i >= 0; i--) {
uint8_t digit = ((unicode >> (i*4)) & 0xF);
register_code(hextokeycode(digit));
unregister_code(hextokeycode(digit));
}
} else {
code = (code - 0x10000);
uint16_t high_uc = (0xD800 | (code >> 10));
uint16_t low_uc = (0xDC00 | (code & 0x3FF));
for(int i = 3; i >= 0; i--) {
uint8_t digit = ((high_uc >> (i*4)) & 0xF);
register_code(hextokeycode(digit));
unregister_code(hextokeycode(digit));
}
// #ifdef UNICODE_OSX
// unregister_code(KC_LALT);
// register_code(KC_LALT);
// #endif
register_code(KC_LSFT);
register_code(KC_EQL);
unregister_code(KC_EQL);
unregister_code(KC_LSFT);
for(int i = 3; i >= 0; i--) {
uint8_t digit = ((low_uc >> (i*4)) & 0xF);
register_code(hextokeycode(digit));
unregister_code(hextokeycode(digit));
}
}
#ifdef UNICODE_OSX
unregister_code(KC_LALT);
#endif
}
return;
}
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