source: mainline/uspace/srv/hid/input/layout/cz.c@ 3e6a98c5

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3e6a98c5 was 3e6a98c5, checked in by Jiri Svoboda <jiri@…>, 13 years ago

Standards-compliant boolean type.
  • Property mode set to 100644
File size: 8.3 KB
Line 
1/*
2 * Copyright (c) 2011 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup input
30 * @brief Czech QWERTZ layout.
31 * @{
32 */
33
34#include <errno.h>
35#include <io/console.h>
36#include <io/keycode.h>
37#include <stdbool.h>
38#include <stdlib.h>
39#include "../input.h"
40#include "../layout.h"
41
42static int cz_create(layout_t *);
43static void cz_destroy(layout_t *);
44static wchar_t cz_parse_ev(layout_t *, kbd_event_t *ev);
45
46enum m_state {
47 ms_start,
48 ms_hacek,
49 ms_carka
50};
51
52typedef struct {
53 enum m_state mstate;
54} layout_cz_t;
55
56layout_ops_t cz_ops = {
57 .create = cz_create,
58 .destroy = cz_destroy,
59 .parse_ev = cz_parse_ev
60};
61
62static wchar_t map_lcase[] = {
63 [KC_Q] = 'q',
64 [KC_W] = 'w',
65 [KC_E] = 'e',
66 [KC_R] = 'r',
67 [KC_T] = 't',
68 [KC_Y] = 'z',
69 [KC_U] = 'u',
70 [KC_I] = 'i',
71 [KC_O] = 'o',
72 [KC_P] = 'p',
73
74 [KC_A] = 'a',
75 [KC_S] = 's',
76 [KC_D] = 'd',
77 [KC_F] = 'f',
78 [KC_G] = 'g',
79 [KC_H] = 'h',
80 [KC_J] = 'j',
81 [KC_K] = 'k',
82 [KC_L] = 'l',
83
84 [KC_Z] = 'y',
85 [KC_X] = 'x',
86 [KC_C] = 'c',
87 [KC_V] = 'v',
88 [KC_B] = 'b',
89 [KC_N] = 'n',
90 [KC_M] = 'm',
91};
92
93static wchar_t map_ucase[] = {
94 [KC_Q] = 'Q',
95 [KC_W] = 'W',
96 [KC_E] = 'E',
97 [KC_R] = 'R',
98 [KC_T] = 'T',
99 [KC_Y] = 'Z',
100 [KC_U] = 'U',
101 [KC_I] = 'I',
102 [KC_O] = 'O',
103 [KC_P] = 'P',
104
105 [KC_A] = 'A',
106 [KC_S] = 'S',
107 [KC_D] = 'D',
108 [KC_F] = 'F',
109 [KC_G] = 'G',
110 [KC_H] = 'H',
111 [KC_J] = 'J',
112 [KC_K] = 'K',
113 [KC_L] = 'L',
114
115 [KC_Z] = 'Y',
116 [KC_X] = 'X',
117 [KC_C] = 'C',
118 [KC_V] = 'V',
119 [KC_B] = 'B',
120 [KC_N] = 'N',
121 [KC_M] = 'M',
122};
123
124static wchar_t map_not_shifted[] = {
125 [KC_BACKTICK] = ';',
126
127 [KC_1] = '+',
128
129 [KC_MINUS] = '=',
130
131 [KC_RBRACKET] = ')',
132
133 [KC_QUOTE] = L'§',
134
135 [KC_COMMA] = ',',
136 [KC_PERIOD] = '.',
137 [KC_SLASH] = '-',
138};
139
140static wchar_t map_shifted[] = {
141 [KC_1] = '1',
142 [KC_2] = '2',
143 [KC_3] = '3',
144 [KC_4] = '4',
145 [KC_5] = '5',
146 [KC_6] = '6',
147 [KC_7] = '7',
148 [KC_8] = '8',
149 [KC_9] = '9',
150 [KC_0] = '0',
151
152 [KC_MINUS] = '%',
153
154 [KC_LBRACKET] = '/',
155 [KC_RBRACKET] = '(',
156
157 [KC_SEMICOLON] = '"',
158 [KC_QUOTE] = '!',
159 [KC_BACKSLASH] = '\'',
160
161 [KC_COMMA] = '?',
162 [KC_PERIOD] = ':',
163 [KC_SLASH] = '_',
164};
165
166static wchar_t map_ns_nocaps[] = {
167 [KC_2] = L'ě',
168 [KC_3] = L'š',
169 [KC_4] = L'č',
170 [KC_5] = L'ř',
171 [KC_6] = L'ž',
172 [KC_7] = L'ý',
173 [KC_8] = L'á',
174 [KC_9] = L'í',
175 [KC_0] = L'é',
176
177 [KC_LBRACKET] = L'ú',
178 [KC_SEMICOLON] = L'ů'
179};
180
181static wchar_t map_ns_caps[] = {
182 [KC_2] = L'Ě',
183 [KC_3] = L'Š',
184 [KC_4] = L'Č',
185 [KC_5] = L'Ř',
186 [KC_6] = L'Ž',
187 [KC_7] = L'Ý',
188 [KC_8] = L'Á',
189 [KC_9] = L'Í',
190 [KC_0] = L'É',
191
192 [KC_LBRACKET] = L'Ú',
193 [KC_SEMICOLON] = L'Ů'
194};
195
196static wchar_t map_neutral[] = {
197 [KC_BACKSPACE] = '\b',
198 [KC_TAB] = '\t',
199 [KC_ENTER] = '\n',
200 [KC_SPACE] = ' ',
201
202 [KC_NSLASH] = '/',
203 [KC_NTIMES] = '*',
204 [KC_NMINUS] = '-',
205 [KC_NPLUS] = '+',
206 [KC_NENTER] = '\n'
207};
208
209static wchar_t map_numeric[] = {
210 [KC_N7] = '7',
211 [KC_N8] = '8',
212 [KC_N9] = '9',
213 [KC_N4] = '4',
214 [KC_N5] = '5',
215 [KC_N6] = '6',
216 [KC_N1] = '1',
217 [KC_N2] = '2',
218 [KC_N3] = '3',
219
220 [KC_N0] = '0',
221 [KC_NPERIOD] = '.'
222};
223
224static wchar_t map_hacek_lcase[] = {
225 [KC_E] = L'ě',
226 [KC_R] = L'ř',
227 [KC_T] = L'ť',
228 [KC_Y] = L'ž',
229 [KC_U] = L'ů',
230
231 [KC_S] = L'š',
232 [KC_D] = L'ď',
233
234 [KC_C] = L'č',
235 [KC_N] = L'ň'
236};
237
238static wchar_t map_hacek_ucase[] = {
239 [KC_E] = L'Ě',
240 [KC_R] = L'Ř',
241 [KC_T] = L'Ť',
242 [KC_Y] = L'Ž',
243 [KC_U] = L'Ů',
244
245 [KC_S] = L'Š',
246 [KC_D] = L'Ď',
247
248 [KC_C] = L'Č',
249 [KC_N] = L'Ň'
250};
251
252static wchar_t map_carka_lcase[] = {
253 [KC_E] = L'é',
254 [KC_U] = L'ú',
255 [KC_I] = L'í',
256 [KC_O] = L'ó',
257
258 [KC_A] = L'á',
259
260 [KC_Z] = L'ý',
261};
262
263static wchar_t map_carka_ucase[] = {
264 [KC_E] = L'É',
265 [KC_U] = L'Ú',
266 [KC_I] = L'Í',
267 [KC_O] = L'Ó',
268
269 [KC_A] = L'Á',
270
271 [KC_Z] = L'Ý',
272};
273
274static wchar_t translate(unsigned int key, wchar_t *map, size_t map_length)
275{
276 if (key >= map_length)
277 return 0;
278 return map[key];
279}
280
281static wchar_t parse_ms_hacek(layout_cz_t *cz_state, kbd_event_t *ev)
282{
283 wchar_t c;
284
285 cz_state->mstate = ms_start;
286
287 /* Produce no characters when Ctrl or Alt is pressed. */
288 if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
289 return 0;
290
291 if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
292 c = translate(ev->key, map_hacek_ucase, sizeof(map_hacek_ucase) / sizeof(wchar_t));
293 else
294 c = translate(ev->key, map_hacek_lcase, sizeof(map_hacek_lcase) / sizeof(wchar_t));
295
296 return c;
297}
298
299static wchar_t parse_ms_carka(layout_cz_t *cz_state, kbd_event_t *ev)
300{
301 wchar_t c;
302
303 cz_state->mstate = ms_start;
304
305 /* Produce no characters when Ctrl or Alt is pressed. */
306 if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
307 return 0;
308
309 if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
310 c = translate(ev->key, map_carka_ucase, sizeof(map_carka_ucase) / sizeof(wchar_t));
311 else
312 c = translate(ev->key, map_carka_lcase, sizeof(map_carka_lcase) / sizeof(wchar_t));
313
314 return c;
315}
316
317static wchar_t parse_ms_start(layout_cz_t *cz_state, kbd_event_t *ev)
318{
319 wchar_t c;
320
321 /* Produce no characters when Ctrl or Alt is pressed. */
322 if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
323 return 0;
324
325 if (ev->key == KC_EQUALS) {
326 if ((ev->mods & KM_SHIFT) != 0)
327 cz_state->mstate = ms_hacek;
328 else
329 cz_state->mstate = ms_carka;
330
331 return 0;
332 }
333
334 c = translate(ev->key, map_neutral, sizeof(map_neutral) / sizeof(wchar_t));
335 if (c != 0)
336 return c;
337
338 if ((ev->mods & KM_SHIFT) == 0) {
339 if ((ev->mods & KM_CAPS_LOCK) != 0)
340 c = translate(ev->key, map_ns_caps, sizeof(map_ns_caps) / sizeof(wchar_t));
341 else
342 c = translate(ev->key, map_ns_nocaps, sizeof(map_ns_nocaps) / sizeof(wchar_t));
343
344 if (c != 0)
345 return c;
346 }
347
348 if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
349 c = translate(ev->key, map_ucase, sizeof(map_ucase) / sizeof(wchar_t));
350 else
351 c = translate(ev->key, map_lcase, sizeof(map_lcase) / sizeof(wchar_t));
352
353 if (c != 0)
354 return c;
355
356 if ((ev->mods & KM_SHIFT) != 0)
357 c = translate(ev->key, map_shifted, sizeof(map_shifted) / sizeof(wchar_t));
358 else
359 c = translate(ev->key, map_not_shifted, sizeof(map_not_shifted) / sizeof(wchar_t));
360
361 if (c != 0)
362 return c;
363
364 if ((ev->mods & KM_NUM_LOCK) != 0)
365 c = translate(ev->key, map_numeric, sizeof(map_numeric) / sizeof(wchar_t));
366 else
367 c = 0;
368
369 return c;
370}
371
372static bool key_is_mod(unsigned key)
373{
374 switch (key) {
375 case KC_LSHIFT:
376 case KC_RSHIFT:
377 case KC_LALT:
378 case KC_RALT:
379 case KC_LCTRL:
380 case KC_RCTRL:
381 return true;
382 default:
383 return false;
384 }
385}
386
387static int cz_create(layout_t *state)
388{
389 layout_cz_t *cz_state;
390
391 cz_state = malloc(sizeof(layout_cz_t));
392 if (cz_state == NULL) {
393 printf("%s: Out of memory.\n", NAME);
394 return ENOMEM;
395 }
396
397 cz_state->mstate = ms_start;
398 state->layout_priv = (void *) cz_state;
399
400 return EOK;
401}
402
403static void cz_destroy(layout_t *state)
404{
405 free(state->layout_priv);
406}
407
408static wchar_t cz_parse_ev(layout_t *state, kbd_event_t *ev)
409{
410 layout_cz_t *cz_state = (layout_cz_t *) state->layout_priv;
411
412 if (ev->type != KEY_PRESS)
413 return 0;
414
415 if (key_is_mod(ev->key))
416 return 0;
417
418 switch (cz_state->mstate) {
419 case ms_start:
420 return parse_ms_start(cz_state, ev);
421 case ms_hacek:
422 return parse_ms_hacek(cz_state, ev);
423 case ms_carka:
424 return parse_ms_carka(cz_state, ev);
425 }
426
427 return 0;
428}
429
430/**
431 * @}
432 */
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