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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 <ctype.h>
#include <string.h>
unicode_config_t unicode_config;
#if UNICODE_SELECTED_MODES != -1
static uint8_t selected[] = { UNICODE_SELECTED_MODES };
static uint8_t selected_count = sizeof selected / sizeof *selected;
static uint8_t selected_index;
#endif
void unicode_input_mode_init(void) {
unicode_config.raw = eeprom_read_byte(EECONFIG_UNICODEMODE);
#if UNICODE_SELECTED_MODES != -1
#if UNICODE_CYCLE_PERSIST
// Find input_mode in selected modes
uint8_t i;
for (i = 0; i < selected_count; i++) {
if (selected[i] == unicode_config.input_mode) {
selected_index = i;
break;
}
}
if (i == selected_count) {
// Not found: input_mode isn't selected, change to one that is
unicode_config.input_mode = selected[selected_index = 0];
}
#else
// Always change to the first selected input mode
unicode_config.input_mode = selected[selected_index = 0];
#endif
#endif
dprintf("Unicode input mode init to: %u\n", unicode_config.input_mode);
}
uint8_t get_unicode_input_mode(void) {
return unicode_config.input_mode;
}
void set_unicode_input_mode(uint8_t mode) {
unicode_config.input_mode = mode;
persist_unicode_input_mode();
dprintf("Unicode input mode set to: %u\n", unicode_config.input_mode);
}
void cycle_unicode_input_mode(uint8_t offset) {
#if UNICODE_SELECTED_MODES != -1
selected_index = (selected_index + offset) % selected_count;
unicode_config.input_mode = selected[selected_index];
#if UNICODE_CYCLE_PERSIST
persist_unicode_input_mode();
#endif
dprintf("Unicode input mode cycle to: %u\n", unicode_config.input_mode);
#endif
}
void persist_unicode_input_mode(void) {
eeprom_update_byte(EECONFIG_UNICODEMODE, unicode_config.input_mode);
}
static uint8_t saved_mods;
__attribute__((weak))
void unicode_input_start(void) {
saved_mods = get_mods(); // Save current mods
clear_mods(); // Unregister mods to start from a clean state
switch (unicode_config.input_mode) {
case UC_OSX:
register_code(UNICODE_OSX_KEY);
break;
case UC_LNX:
register_code(KC_LCTL);
register_code(KC_LSFT);
tap_code(KC_U); // TODO: Replace with tap_code16(LCTL(LSFT(KC_U))); and test
unregister_code(KC_LSFT);
unregister_code(KC_LCTL);
break;
case UC_WIN:
register_code(KC_LALT);
tap_code(KC_PPLS);
break;
case UC_WINC:
tap_code(UNICODE_WINC_KEY);
tap_code(KC_U);
break;
}
wait_ms(UNICODE_TYPE_DELAY);
}
__attribute__((weak))
void unicode_input_finish(void) {
switch (unicode_config.input_mode) {
case UC_OSX:
unregister_code(UNICODE_OSX_KEY);
break;
case UC_LNX:
tap_code(KC_SPC);
break;
case UC_WIN:
unregister_code(KC_LALT);
break;
}
set_mods(saved_mods); // Reregister previously set mods
}
__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);
tap_code(hex_to_keycode(digit));
}
}
void send_unicode_hex_string(const char *str) {
if (!str) { return; }
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
}
}
bool process_unicode_common(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
switch (keycode) {
case UNICODE_MODE_FORWARD:
cycle_unicode_input_mode(+1);
break;
case UNICODE_MODE_REVERSE:
cycle_unicode_input_mode(-1);
break;
case UNICODE_MODE_OSX:
set_unicode_input_mode(UC_OSX);
#if defined(AUDIO_ENABLE) && defined(UNICODE_SONG_OSX)
static float song_osx[][2] = UNICODE_SONG_OSX;
PLAY_SONG(song_osx);
#endif
break;
case UNICODE_MODE_LNX:
set_unicode_input_mode(UC_LNX);
#if defined(AUDIO_ENABLE) && defined(UNICODE_SONG_LNX)
static float song_lnx[][2] = UNICODE_SONG_LNX;
PLAY_SONG(song_lnx);
#endif
break;
case UNICODE_MODE_WIN:
set_unicode_input_mode(UC_WIN);
#if defined(AUDIO_ENABLE) && defined(UNICODE_SONG_WIN)
static float song_win[][2] = UNICODE_SONG_WIN;
PLAY_SONG(song_win);
#endif
break;
case UNICODE_MODE_BSD:
set_unicode_input_mode(UC_BSD);
#if defined(AUDIO_ENABLE) && defined(UNICODE_SONG_BSD)
static float song_bsd[][2] = UNICODE_SONG_BSD;
PLAY_SONG(song_bsd);
#endif
break;
case UNICODE_MODE_WINC:
set_unicode_input_mode(UC_WINC);
#if defined(AUDIO_ENABLE) && defined(UNICODE_SONG_WINC)
static float song_winc[][2] = UNICODE_SONG_WINC;
PLAY_SONG(song_winc);
#endif
break;
}
}
#if defined(UNICODE_ENABLE)
return process_unicode(keycode, record);
#elif defined(UNICODEMAP_ENABLE)
return process_unicodemap(keycode, record);
#elif defined(UCIS_ENABLE)
return process_ucis(keycode, record);
#else
return true;
#endif
}
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