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/* 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_unicode_common.h"
#include "eeprom.h"
#include <string.h>
#include <ctype.h>
static uint8_t input_mode;
uint8_t mods;
void set_unicode_input_mode(uint8_t os_target)
{
input_mode = os_target;
eeprom_update_byte(EECONFIG_UNICODEMODE, os_target);
}
uint8_t get_unicode_input_mode(void) {
return input_mode;
}
__attribute__((weak))
void unicode_input_start (void) {
// save current mods
mods = keyboard_report->mods;
// unregister all mods to start from clean state
if (mods & MOD_BIT(KC_LSFT)) unregister_code(KC_LSFT);
if (mods & MOD_BIT(KC_RSFT)) unregister_code(KC_RSFT);
if (mods & MOD_BIT(KC_LCTL)) unregister_code(KC_LCTL);
if (mods & MOD_BIT(KC_RCTL)) unregister_code(KC_RCTL);
if (mods & MOD_BIT(KC_LALT)) unregister_code(KC_LALT);
if (mods & MOD_BIT(KC_RALT)) unregister_code(KC_RALT);
if (mods & MOD_BIT(KC_LGUI)) unregister_code(KC_LGUI);
if (mods & MOD_BIT(KC_RGUI)) unregister_code(KC_RGUI);
switch(input_mode) {
case UC_OSX:
register_code(KC_LALT);
break;
case UC_OSX_RALT:
register_code(KC_RALT);
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;
case UC_WINC:
register_code(KC_RALT);
unregister_code(KC_RALT);
register_code(KC_U);
unregister_code(KC_U);
}
wait_ms(UNICODE_TYPE_DELAY);
}
__attribute__((weak))
void unicode_input_finish (void) {
switch(input_mode) {
case UC_OSX:
case UC_WIN:
unregister_code(KC_LALT);
break;
case UC_OSX_RALT:
unregister_code(KC_RALT);
break;
case UC_LNX:
register_code(KC_SPC);
unregister_code(KC_SPC);
break;
}
// reregister previously set mods
if (mods & MOD_BIT(KC_LSFT)) register_code(KC_LSFT);
if (mods & MOD_BIT(KC_RSFT)) register_code(KC_RSFT);
if (mods & MOD_BIT(KC_LCTL)) register_code(KC_LCTL);
if (mods & MOD_BIT(KC_RCTL)) register_code(KC_RCTL);
if (mods & MOD_BIT(KC_LALT)) register_code(KC_LALT);
if (mods & MOD_BIT(KC_RALT)) register_code(KC_RALT);
if (mods & MOD_BIT(KC_LGUI)) register_code(KC_LGUI);
if (mods & MOD_BIT(KC_RGUI)) register_code(KC_RGUI);
}
__attribute__((weak))
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 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));
}
}
void send_unicode_hex_string(const char *str)
{
if (!str) { return; } // Safety net
while (*str) {
// Find the next code point (token) in the string
for (; *str == ' '; str++);
size_t n = strcspn(str, " "); // Length of the current token
char code_point[n+1];
strncpy(code_point, str, n);
code_point[n] = '\0'; // Make sure it's null-terminated
// Normalize the code point: make all hex digits lowercase
for (char *p = code_point; *p; p++) {
*p = tolower((unsigned char)*p);
}
// Send the code point as a Unicode input string
unicode_input_start();
send_string(code_point);
unicode_input_finish();
str += n; // Move to the first ' ' (or '\0') after the current token
}
}
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