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4419 trochtova 1
/*
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 * Copyright (c) 2009 Jiri Svoboda
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * 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.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup kbd
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 * @brief   US QWERTY leyout.
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 * @{
32
 */
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34
#include <kbd.h>
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#include <kbd/kbd.h>
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#include <kbd/keycode.h>
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#include <bool.h>
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#include <layout.h>
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40
static void layout_reset(void);
41
static wchar_t layout_parse_ev(kbd_event_t *ev);
42
 
43
enum m_state {
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    ms_start,
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    ms_hacek,
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    ms_carka   
47
};
48
 
49
static enum m_state mstate;
50
 
51
layout_op_t cz_op = {
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    layout_reset,
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    layout_parse_ev
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};
55
 
56
static wchar_t map_lcase[] = {
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    [KC_Q] = 'q',
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    [KC_W] = 'w',
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    [KC_E] = 'e',
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    [KC_R] = 'r',
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    [KC_T] = 't',
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    [KC_Y] = 'z',
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    [KC_U] = 'u',
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    [KC_I] = 'i',
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    [KC_O] = 'o',
66
    [KC_P] = 'p',
67
 
68
    [KC_A] = 'a',
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    [KC_S] = 's',
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    [KC_D] = 'd',
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    [KC_F] = 'f',
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    [KC_G] = 'g',
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    [KC_H] = 'h',
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    [KC_J] = 'j',
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    [KC_K] = 'k',
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    [KC_L] = 'l',
77
 
78
    [KC_Z] = 'y',
79
    [KC_X] = 'x',
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    [KC_C] = 'c',
81
    [KC_V] = 'v',
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    [KC_B] = 'b',
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    [KC_N] = 'n',
84
    [KC_M] = 'm',
85
};
86
 
87
static wchar_t map_ucase[] = {
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    [KC_Q] = 'Q',
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    [KC_W] = 'W',
90
    [KC_E] = 'E',
91
    [KC_R] = 'R',
92
    [KC_T] = 'T',
93
    [KC_Y] = 'Z',
94
    [KC_U] = 'U',
95
    [KC_I] = 'I',
96
    [KC_O] = 'O',
97
    [KC_P] = 'P',
98
 
99
    [KC_A] = 'A',
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    [KC_S] = 'S',
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    [KC_D] = 'D',
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    [KC_F] = 'F',
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    [KC_G] = 'G',
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    [KC_H] = 'H',
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    [KC_J] = 'J',
106
    [KC_K] = 'K',
107
    [KC_L] = 'L',
108
 
109
    [KC_Z] = 'Y',
110
    [KC_X] = 'X',
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    [KC_C] = 'C',
112
    [KC_V] = 'V',
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    [KC_B] = 'B',
114
    [KC_N] = 'N',
115
    [KC_M] = 'M',
116
};
117
 
118
static wchar_t map_not_shifted[] = {
119
    [KC_BACKTICK] = ';',
120
 
121
    [KC_1] = '+',
122
 
123
    [KC_MINUS] = '=',
124
 
125
    [KC_RBRACKET] = ')',
126
 
127
    [KC_QUOTE] = L'§',
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129
    [KC_COMMA] = ',',
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    [KC_PERIOD] = '.',
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    [KC_SLASH] = '-',
132
};
133
 
134
static wchar_t map_shifted[] = {
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    [KC_1] = '1',
136
    [KC_2] = '2',
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    [KC_3] = '3',
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    [KC_4] = '4',
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    [KC_5] = '5',
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    [KC_6] = '6',
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    [KC_7] = '7',
142
    [KC_8] = '8',
143
    [KC_9] = '9',
144
    [KC_0] = '0',
145
 
146
    [KC_MINUS] = '%',
147
 
148
    [KC_LBRACKET] = '/',
149
    [KC_RBRACKET] = '(',
150
 
151
    [KC_SEMICOLON] = '"',
152
    [KC_QUOTE] = '!',
153
    [KC_BACKSLASH] = '\'',
154
 
155
    [KC_COMMA] = '?',
156
    [KC_PERIOD] = ':',
157
    [KC_SLASH] = '_',
158
};
159
 
4420 trochtova 160
static wchar_t map_ns_nocaps[] = {
161
    [KC_2] = L'ě',
162
    [KC_3] = L'š',
163
    [KC_4] = L'č',
164
    [KC_5] = L'ř',
165
    [KC_6] = L'ž',
166
    [KC_7] = L'ý',
167
    [KC_8] = L'á',
168
    [KC_9] = L'í',
169
    [KC_0] = L'é',
170
 
171
    [KC_LBRACKET] = L'ú',
172
    [KC_SEMICOLON] = L'ů'
173
};
174
 
175
static wchar_t map_ns_caps[] = {
176
    [KC_2] = L'Ě',
177
    [KC_3] = L'Š',
178
    [KC_4] = L'Č',
179
    [KC_5] = L'Ř',
180
    [KC_6] = L'Ž',
181
    [KC_7] = L'Ý',
182
    [KC_8] = L'Á',
183
    [KC_9] = L'Í',
184
    [KC_0] = L'É',
185
 
186
    [KC_LBRACKET] = L'Ú',
187
    [KC_SEMICOLON] = L'Ů'
188
};
189
 
4419 trochtova 190
static wchar_t map_neutral[] = {
191
    [KC_BACKSPACE] = '\b',
192
    [KC_TAB] = '\t',
193
    [KC_ENTER] = '\n',
194
    [KC_SPACE] = ' ',
195
 
196
    [KC_NSLASH] = '/',
197
    [KC_NTIMES] = '*',
198
    [KC_NMINUS] = '-',
199
    [KC_NPLUS] = '+',
200
    [KC_NENTER] = '\n'
201
};
202
 
203
static wchar_t map_numeric[] = {
204
    [KC_N7] = '7',
205
    [KC_N8] = '8',
206
    [KC_N9] = '9',
207
    [KC_N4] = '4',
208
    [KC_N5] = '5',
209
    [KC_N6] = '6',
210
    [KC_N1] = '1',
211
    [KC_N2] = '2',
212
    [KC_N3] = '3',
213
 
214
    [KC_N0] = '0',
215
    [KC_NPERIOD] = '.'
216
};
217
 
218
static wchar_t map_hacek_lcase[] = {
219
    [KC_E] = L'ě',
220
    [KC_R] = L'ř',
221
    [KC_T] = L'ť',
222
    [KC_Y] = L'ž',
223
    [KC_U] = L'ů',
224
 
225
    [KC_S] = L'š',
226
    [KC_D] = L'ď',
227
 
228
    [KC_C] = L'č',
229
    [KC_N] = L'ň'
230
};
231
 
232
static wchar_t map_hacek_ucase[] = {
233
    [KC_E] = L'Ě',
234
    [KC_R] = L'Ř',
235
    [KC_T] = L'Ť',
236
    [KC_Y] = L'Ž',
237
    [KC_U] = L'Ů',
238
 
239
    [KC_S] = L'Š',
240
    [KC_D] = L'Ď',
241
 
242
    [KC_C] = L'Č',
243
    [KC_N] = L'Ň'
244
};
245
 
246
static wchar_t map_carka_lcase[] = {
247
    [KC_E] = L'é',
248
    [KC_U] = L'ú',
249
    [KC_I] = L'í',
250
    [KC_O] = L'ó',
251
 
252
    [KC_A] = L'á',
253
 
254
    [KC_Z] = L'ý',
255
};
256
 
257
static wchar_t map_carka_ucase[] = {
258
    [KC_E] = L'É',
259
    [KC_U] = L'Ú',
260
    [KC_I] = L'Í',
261
    [KC_O] = L'Ó',
262
 
263
    [KC_A] = L'Á',
264
 
265
    [KC_Z] = L'Ý',
266
};
267
 
268
static wchar_t translate(unsigned int key, wchar_t *map, size_t map_length)
269
{
270
    if (key >= map_length)
271
        return 0;
272
    return map[key];
273
}
274
 
275
static wchar_t parse_ms_hacek(kbd_event_t *ev)
276
{
277
    wchar_t c;
278
 
279
    mstate = ms_start;
280
 
281
    /* Produce no characters when Ctrl or Alt is pressed. */
282
    if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
283
        return 0;
284
 
285
    if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
286
        c = translate(ev->key, map_hacek_ucase, sizeof(map_hacek_ucase) / sizeof(wchar_t));
287
    else
288
        c = translate(ev->key, map_hacek_lcase, sizeof(map_hacek_lcase) / sizeof(wchar_t));
289
 
290
    return c;
291
}
292
 
293
static wchar_t parse_ms_carka(kbd_event_t *ev)
294
{
295
    wchar_t c;
296
 
297
    mstate = ms_start;
298
 
299
    /* Produce no characters when Ctrl or Alt is pressed. */
300
    if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
301
        return 0;
302
 
303
    if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
304
        c = translate(ev->key, map_carka_ucase, sizeof(map_carka_ucase) / sizeof(wchar_t));
305
    else
306
        c = translate(ev->key, map_carka_lcase, sizeof(map_carka_lcase) / sizeof(wchar_t));
307
 
308
    return c;
309
}
310
 
311
static wchar_t parse_ms_start(kbd_event_t *ev)
312
{
313
    wchar_t c;
314
 
315
    /* Produce no characters when Ctrl or Alt is pressed. */
316
    if ((ev->mods & (KM_CTRL | KM_ALT)) != 0)
317
        return 0;
318
 
319
    if (ev->key == KC_EQUALS) {
320
        if ((ev->mods & KM_SHIFT) != 0)
321
            mstate = ms_hacek;
322
        else
323
            mstate = ms_carka;
324
 
325
        return 0;
326
    }
327
 
328
    c = translate(ev->key, map_neutral, sizeof(map_neutral) / sizeof(wchar_t));
329
    if (c != 0)
330
        return c;
331
 
4420 trochtova 332
    if ((ev->mods & KM_SHIFT) == 0) {
333
        if ((ev->mods & KM_CAPS_LOCK) != 0)
334
            c = translate(ev->key, map_ns_caps, sizeof(map_ns_caps) / sizeof(wchar_t));
335
        else
336
            c = translate(ev->key, map_ns_nocaps, sizeof(map_ns_nocaps) / sizeof(wchar_t));
337
 
338
        if (c != 0)
339
            return c;
340
    }  
341
 
4419 trochtova 342
    if (((ev->mods & KM_SHIFT) != 0) ^ ((ev->mods & KM_CAPS_LOCK) != 0))
343
        c = translate(ev->key, map_ucase, sizeof(map_ucase) / sizeof(wchar_t));
344
    else
345
        c = translate(ev->key, map_lcase, sizeof(map_lcase) / sizeof(wchar_t));
346
 
347
    if (c != 0)
348
        return c;
349
 
350
    if ((ev->mods & KM_SHIFT) != 0)
351
        c = translate(ev->key, map_shifted, sizeof(map_shifted) / sizeof(wchar_t));
352
    else
353
        c = translate(ev->key, map_not_shifted, sizeof(map_not_shifted) / sizeof(wchar_t));
354
 
355
    if (c != 0)
356
        return c;
357
 
358
    if ((ev->mods & KM_NUM_LOCK) != 0)
359
        c = translate(ev->key, map_numeric, sizeof(map_numeric) / sizeof(wchar_t));
360
    else
361
        c = 0;
362
 
363
    return c;
364
}
365
 
366
static bool key_is_mod(unsigned key)
367
{
368
    switch (key) {
369
    case KC_LSHIFT:
370
    case KC_RSHIFT:
371
    case KC_LALT:
372
    case KC_RALT:
373
    case KC_LCTRL:
374
    case KC_RCTRL:
375
        return true;
376
    default:
377
        return false;
378
    }
379
}
380
 
381
static void layout_reset(void)
382
{
383
    mstate = ms_start;
384
}
385
 
386
static wchar_t layout_parse_ev(kbd_event_t *ev)
387
{
388
    if (ev->type != KE_PRESS)
389
        return '\0';
390
 
391
    if (key_is_mod(ev->key))
392
        return '\0';
393
 
394
    switch (mstate) {
395
    case ms_start: return parse_ms_start(ev);
396
    case ms_hacek: return parse_ms_hacek(ev);
397
    case ms_carka: return parse_ms_carka(ev);
398
    }
399
}
400
 
401
/**
402
 * @}
403
 */