summaryrefslogtreecommitdiffstats
path: root/quantum/process_keycode/process_unicode_common.c
blob: b64feb7003b19faa3351d89e351481787d11cc09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/* 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
}