qmk_firmware/quantum/process_keycode/process_unicodemap.c
2022-09-12 08:49:04 -07:00

54 lines
1.8 KiB
C

/* Copyright 2017 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_unicodemap.h"
#include "unicode.h"
#include "quantum_keycodes.h"
#include "keycode.h"
#include "action_util.h"
#include "host.h"
__attribute__((weak)) uint16_t unicodemap_index(uint16_t keycode) {
if (keycode >= QK_UNICODEMAP_PAIR) {
// Keycode is a pair: extract index based on Shift / Caps Lock state
uint16_t index = keycode - QK_UNICODEMAP_PAIR;
uint8_t mods = get_mods() | get_weak_mods();
#ifndef NO_ACTION_ONESHOT
mods |= get_oneshot_mods();
#endif
bool shift = mods & MOD_MASK_SHIFT;
bool caps = host_keyboard_led_state().caps_lock;
if (shift ^ caps) {
index >>= 7;
}
return index & 0x7F;
} else {
// Keycode is a regular index
return keycode - QK_UNICODEMAP;
}
}
bool process_unicodemap(uint16_t keycode, keyrecord_t *record) {
if (keycode >= QK_UNICODEMAP && keycode <= QK_UNICODEMAP_PAIR_MAX && record->event.pressed) {
uint32_t code_point = pgm_read_dword(unicode_map + unicodemap_index(keycode));
register_unicode(code_point);
}
return true;
}