wskbdutil.c revision 1.8 1 /* $NetBSD: wskbdutil.c,v 1.8 2001/10/13 15:56:16 augustss Exp $ */
2
3 /*-
4 * Copyright (c) 1997 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Juergen Hannken-Illjes.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/cdefs.h>
42 #include <sys/errno.h>
43 #include <sys/systm.h>
44 #include <sys/malloc.h>
45 #include <dev/wscons/wsksymdef.h>
46 #include <dev/wscons/wsksymvar.h>
47
48 static struct compose_tab_s {
49 keysym_t elem[2];
50 keysym_t result;
51 } compose_tab[] = {
52 { { KS_plus, KS_plus }, KS_numbersign },
53 { { KS_a, KS_a }, KS_at },
54 { { KS_parenleft, KS_parenleft }, KS_bracketleft },
55 { { KS_slash, KS_slash }, KS_backslash },
56 { { KS_parenright, KS_parenright }, KS_bracketright },
57 { { KS_parenleft, KS_minus }, KS_braceleft },
58 { { KS_slash, KS_minus }, KS_bar },
59 { { KS_parenright, KS_minus }, KS_braceright },
60 { { KS_exclam, KS_exclam }, KS_exclamdown },
61 { { KS_c, KS_slash }, KS_cent },
62 { { KS_l, KS_minus }, KS_sterling },
63 { { KS_y, KS_minus }, KS_yen },
64 { { KS_s, KS_o }, KS_section },
65 { { KS_x, KS_o }, KS_currency },
66 { { KS_c, KS_o }, KS_copyright },
67 { { KS_less, KS_less }, KS_guillemotleft },
68 { { KS_greater, KS_greater }, KS_guillemotright },
69 { { KS_question, KS_question }, KS_questiondown },
70 { { KS_dead_acute, KS_space }, KS_acute },
71 { { KS_dead_grave, KS_space }, KS_grave },
72 { { KS_dead_tilde, KS_space }, KS_asciitilde },
73 { { KS_dead_circumflex, KS_space }, KS_asciicircum },
74 { { KS_dead_circumflex, KS_A }, KS_Acircumflex },
75 { { KS_dead_diaeresis, KS_A }, KS_Adiaeresis },
76 { { KS_dead_grave, KS_A }, KS_Agrave },
77 { { KS_dead_abovering, KS_A }, KS_Aring },
78 { { KS_dead_tilde, KS_A }, KS_Atilde },
79 { { KS_dead_cedilla, KS_C }, KS_Ccedilla },
80 { { KS_dead_acute, KS_E }, KS_Eacute },
81 { { KS_dead_circumflex, KS_E }, KS_Ecircumflex },
82 { { KS_dead_diaeresis, KS_E }, KS_Ediaeresis },
83 { { KS_dead_grave, KS_E }, KS_Egrave },
84 { { KS_dead_acute, KS_I }, KS_Iacute },
85 { { KS_dead_circumflex, KS_I }, KS_Icircumflex },
86 { { KS_dead_diaeresis, KS_I }, KS_Idiaeresis },
87 { { KS_dead_grave, KS_I }, KS_Igrave },
88 { { KS_dead_tilde, KS_N }, KS_Ntilde },
89 { { KS_dead_acute, KS_O }, KS_Oacute },
90 { { KS_dead_circumflex, KS_O }, KS_Ocircumflex },
91 { { KS_dead_diaeresis, KS_O }, KS_Odiaeresis },
92 { { KS_dead_grave, KS_O }, KS_Ograve },
93 { { KS_dead_tilde, KS_O }, KS_Otilde },
94 { { KS_dead_acute, KS_U }, KS_Uacute },
95 { { KS_dead_circumflex, KS_U }, KS_Ucircumflex },
96 { { KS_dead_diaeresis, KS_U }, KS_Udiaeresis },
97 { { KS_dead_grave, KS_U }, KS_Ugrave },
98 { { KS_dead_acute, KS_Y }, KS_Yacute },
99 { { KS_dead_acute, KS_a }, KS_aacute },
100 { { KS_dead_circumflex, KS_a }, KS_acircumflex },
101 { { KS_dead_diaeresis, KS_a }, KS_adiaeresis },
102 { { KS_dead_grave, KS_a }, KS_agrave },
103 { { KS_dead_abovering, KS_a }, KS_aring },
104 { { KS_dead_tilde, KS_a }, KS_atilde },
105 { { KS_dead_cedilla, KS_c }, KS_ccedilla },
106 { { KS_dead_acute, KS_e }, KS_eacute },
107 { { KS_dead_circumflex, KS_e }, KS_ecircumflex },
108 { { KS_dead_diaeresis, KS_e }, KS_ediaeresis },
109 { { KS_dead_grave, KS_e }, KS_egrave },
110 { { KS_dead_acute, KS_i }, KS_iacute },
111 { { KS_dead_circumflex, KS_i }, KS_icircumflex },
112 { { KS_dead_diaeresis, KS_i }, KS_idiaeresis },
113 { { KS_dead_grave, KS_i }, KS_igrave },
114 { { KS_dead_tilde, KS_n }, KS_ntilde },
115 { { KS_dead_acute, KS_o }, KS_oacute },
116 { { KS_dead_circumflex, KS_o }, KS_ocircumflex },
117 { { KS_dead_diaeresis, KS_o }, KS_odiaeresis },
118 { { KS_dead_grave, KS_o }, KS_ograve },
119 { { KS_dead_tilde, KS_o }, KS_otilde },
120 { { KS_dead_acute, KS_u }, KS_uacute },
121 { { KS_dead_circumflex, KS_u }, KS_ucircumflex },
122 { { KS_dead_diaeresis, KS_u }, KS_udiaeresis },
123 { { KS_dead_grave, KS_u }, KS_ugrave },
124 { { KS_dead_acute, KS_y }, KS_yacute },
125 { { KS_dead_diaeresis, KS_y }, KS_ydiaeresis },
126 { { KS_quotedbl, KS_A }, KS_Adiaeresis },
127 { { KS_quotedbl, KS_E }, KS_Ediaeresis },
128 { { KS_quotedbl, KS_I }, KS_Idiaeresis },
129 { { KS_quotedbl, KS_O }, KS_Odiaeresis },
130 { { KS_quotedbl, KS_U }, KS_Udiaeresis },
131 { { KS_quotedbl, KS_a }, KS_adiaeresis },
132 { { KS_quotedbl, KS_e }, KS_ediaeresis },
133 { { KS_quotedbl, KS_i }, KS_idiaeresis },
134 { { KS_quotedbl, KS_o }, KS_odiaeresis },
135 { { KS_quotedbl, KS_u }, KS_udiaeresis },
136 { { KS_quotedbl, KS_y }, KS_ydiaeresis },
137 { { KS_acute, KS_A }, KS_Aacute },
138 { { KS_asciicircum, KS_A }, KS_Acircumflex },
139 { { KS_grave, KS_A }, KS_Agrave },
140 { { KS_asterisk, KS_A }, KS_Aring },
141 { { KS_asciitilde, KS_A }, KS_Atilde },
142 { { KS_cedilla, KS_C }, KS_Ccedilla },
143 { { KS_acute, KS_E }, KS_Eacute },
144 { { KS_asciicircum, KS_E }, KS_Ecircumflex },
145 { { KS_grave, KS_E }, KS_Egrave },
146 { { KS_acute, KS_I }, KS_Iacute },
147 { { KS_asciicircum, KS_I }, KS_Icircumflex },
148 { { KS_grave, KS_I }, KS_Igrave },
149 { { KS_asciitilde, KS_N }, KS_Ntilde },
150 { { KS_acute, KS_O }, KS_Oacute },
151 { { KS_asciicircum, KS_O }, KS_Ocircumflex },
152 { { KS_grave, KS_O }, KS_Ograve },
153 { { KS_asciitilde, KS_O }, KS_Otilde },
154 { { KS_acute, KS_U }, KS_Uacute },
155 { { KS_asciicircum, KS_U }, KS_Ucircumflex },
156 { { KS_grave, KS_U }, KS_Ugrave },
157 { { KS_acute, KS_Y }, KS_Yacute },
158 { { KS_acute, KS_a }, KS_aacute },
159 { { KS_asciicircum, KS_a }, KS_acircumflex },
160 { { KS_grave, KS_a }, KS_agrave },
161 { { KS_asterisk, KS_a }, KS_aring },
162 { { KS_asciitilde, KS_a }, KS_atilde },
163 { { KS_cedilla, KS_c }, KS_ccedilla },
164 { { KS_acute, KS_e }, KS_eacute },
165 { { KS_asciicircum, KS_e }, KS_ecircumflex },
166 { { KS_grave, KS_e }, KS_egrave },
167 { { KS_acute, KS_i }, KS_iacute },
168 { { KS_asciicircum, KS_i }, KS_icircumflex },
169 { { KS_grave, KS_i }, KS_igrave },
170 { { KS_asciitilde, KS_n }, KS_ntilde },
171 { { KS_acute, KS_o }, KS_oacute },
172 { { KS_asciicircum, KS_o }, KS_ocircumflex },
173 { { KS_grave, KS_o }, KS_ograve },
174 { { KS_asciitilde, KS_o }, KS_otilde },
175 { { KS_acute, KS_u }, KS_uacute },
176 { { KS_asciicircum, KS_u }, KS_ucircumflex },
177 { { KS_grave, KS_u }, KS_ugrave },
178 { { KS_acute, KS_y }, KS_yacute }
179 };
180
181 #define COMPOSE_SIZE sizeof(compose_tab)/sizeof(compose_tab[0])
182
183 static int compose_tab_inorder = 0;
184
185 static inline int compose_tab_cmp(struct compose_tab_s *, struct compose_tab_s *);
186 static keysym_t ksym_upcase(keysym_t);
187 static void fillmapentry(const keysym_t *, int, struct wscons_keymap *);
188
189 static inline int
190 compose_tab_cmp(struct compose_tab_s *i, struct compose_tab_s *j)
191 {
192 if (i->elem[0] == j->elem[0])
193 return(i->elem[1] - j->elem[1]);
194 else
195 return(i->elem[0] - j->elem[0]);
196 }
197
198 keysym_t
199 wskbd_compose_value(keysym_t *compose_buf)
200 {
201 int i, j, r;
202 struct compose_tab_s v;
203
204 if (! compose_tab_inorder) {
205 /* Insertion sort. */
206 for (i = 1; i < COMPOSE_SIZE; i++) {
207 v = compose_tab[i];
208 /* find correct slot, moving others up */
209 for (j = i; --j >= 0 && compose_tab_cmp(& v, & compose_tab[j]) < 0; )
210 compose_tab[j + 1] = compose_tab[j];
211 compose_tab[j + 1] = v;
212 }
213 compose_tab_inorder = 1;
214 }
215
216 for (j = 0, i = COMPOSE_SIZE; i != 0; i /= 2) {
217 if (compose_tab[j + i/2].elem[0] == compose_buf[0]) {
218 if (compose_tab[j + i/2].elem[1] == compose_buf[1])
219 return(compose_tab[j + i/2].result);
220 r = compose_tab[j + i/2].elem[1] < compose_buf[1];
221 } else
222 r = compose_tab[j + i/2].elem[0] < compose_buf[0];
223 if (r) {
224 j += i/2 + 1;
225 i--;
226 }
227 }
228
229 return(KS_voidSymbol);
230 }
231
232 static const u_char latin1_to_upper[256] = {
233 /* 0 8 1 9 2 a 3 b 4 c 5 d 6 e 7 f */
234 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0 */
235 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0 */
236 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1 */
237 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 1 */
238 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 */
239 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 2 */
240 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 3 */
241 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 3 */
242 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 4 */
243 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 4 */
244 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 5 */
245 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 5 */
246 0x00, 'A', 'B', 'C', 'D', 'E', 'F', 'G', /* 6 */
247 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', /* 6 */
248 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', /* 7 */
249 'X', 'Y', 'Z', 0x00, 0x00, 0x00, 0x00, 0x00, /* 7 */
250 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 8 */
251 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 8 */
252 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 9 */
253 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 9 */
254 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* a */
255 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* a */
256 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b */
257 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* b */
258 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c */
259 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* c */
260 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* d */
261 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* d */
262 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* e */
263 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* e */
264 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00, /* f */
265 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00, /* f */
266 };
267
268 static keysym_t
269 ksym_upcase(keysym_t ksym)
270 {
271 if (ksym >= KS_f1 && ksym <= KS_f20)
272 return(KS_F1 - KS_f1 + ksym);
273
274 if (KS_GROUP(ksym) == KS_GROUP_Ascii && ksym <= 0xff &&
275 latin1_to_upper[ksym] != 0x00)
276 return(latin1_to_upper[ksym]);
277
278 return(ksym);
279 }
280
281 static void
282 fillmapentry(const keysym_t *kp, int len, struct wscons_keymap *mapentry)
283 {
284 switch (len) {
285 case 0:
286 mapentry->group1[0] = KS_voidSymbol;
287 mapentry->group1[1] = KS_voidSymbol;
288 mapentry->group2[0] = KS_voidSymbol;
289 mapentry->group2[1] = KS_voidSymbol;
290 break;
291
292 case 1:
293 mapentry->group1[0] = kp[0];
294 mapentry->group1[1] = ksym_upcase(kp[0]);
295 mapentry->group2[0] = mapentry->group1[0];
296 mapentry->group2[1] = mapentry->group1[1];
297 break;
298
299 case 2:
300 mapentry->group1[0] = kp[0];
301 mapentry->group1[1] = kp[1];
302 mapentry->group2[0] = mapentry->group1[0];
303 mapentry->group2[1] = mapentry->group1[1];
304 break;
305
306 case 3:
307 mapentry->group1[0] = kp[0];
308 mapentry->group1[1] = kp[1];
309 mapentry->group2[0] = kp[2];
310 mapentry->group2[1] = ksym_upcase(kp[2]);
311 break;
312
313 case 4:
314 mapentry->group1[0] = kp[0];
315 mapentry->group1[1] = kp[1];
316 mapentry->group2[0] = kp[2];
317 mapentry->group2[1] = kp[3];
318 break;
319
320 }
321 }
322
323 void
324 wskbd_get_mapentry(const struct wskbd_mapdata *mapdata, int kc,
325 struct wscons_keymap *mapentry)
326 {
327 kbd_t cur;
328 const keysym_t *kp;
329 const struct wscons_keydesc *mp;
330 int l;
331
332 mapentry->command = KS_voidSymbol;
333 mapentry->group1[0] = KS_voidSymbol;
334 mapentry->group1[1] = KS_voidSymbol;
335 mapentry->group2[0] = KS_voidSymbol;
336 mapentry->group2[1] = KS_voidSymbol;
337
338 for (cur = mapdata->layout & ~KB_HANDLEDBYWSKBD; cur != 0; ) {
339 mp = mapdata->keydesc;
340 while (mp->map_size > 0) {
341 if (mp->name == cur)
342 break;
343 mp++;
344 }
345
346 /* If map not found, return */
347 if (mp->map_size <= 0)
348 return;
349
350 for (kp = mp->map; kp < mp->map + mp->map_size; kp++)
351 if (KS_GROUP(*kp) == KS_GROUP_Keycode &&
352 KS_VALUE(*kp) == kc) {
353 /* First skip keycode and possible command */
354 kp++;
355 if (KS_GROUP(*kp) == KS_GROUP_Command ||
356 *kp == KS_Cmd || *kp == KS_Cmd1 || *kp == KS_Cmd2)
357 mapentry->command = *kp++;
358
359 for (l = 0; kp + l < mp->map + mp->map_size; l++)
360 if (KS_GROUP(kp[l]) == KS_GROUP_Keycode)
361 break;
362 if (l > 4)
363 panic("wskbd_get_mapentry: %d(%d): bad entry",
364 mp->name, *kp);
365 fillmapentry(kp, l, mapentry);
366 return;
367 }
368
369 cur = mp->base;
370 }
371 }
372
373 void
374 wskbd_init_keymap(int newlen, struct wscons_keymap **map, int *maplen)
375 {
376 int i;
377
378 if (newlen != *maplen) {
379 if (*maplen > 0)
380 free(*map, M_TEMP);
381 *maplen = newlen;
382 *map = malloc(newlen*sizeof(struct wscons_keymap),
383 M_TEMP, M_WAITOK);
384 }
385
386 for (i = 0; i < *maplen; i++) {
387 (*map)[i].command = KS_voidSymbol;
388 (*map)[i].group1[0] = KS_voidSymbol;
389 (*map)[i].group1[1] = KS_voidSymbol;
390 (*map)[i].group2[0] = KS_voidSymbol;
391 (*map)[i].group2[1] = KS_voidSymbol;
392 }
393 }
394
395 int
396 wskbd_load_keymap(const struct wskbd_mapdata *mapdata,
397 struct wscons_keymap **map, int *maplen)
398 {
399 int i, s, kc, stack_ptr;
400 const keysym_t *kp;
401 const struct wscons_keydesc *mp, *stack[10];
402 kbd_t cur;
403
404 for (cur = mapdata->layout & ~KB_HANDLEDBYWSKBD, stack_ptr = 0;
405 cur != 0; stack_ptr++) {
406 mp = mapdata->keydesc;
407 while (mp->map_size > 0) {
408 if (cur == 0 || mp->name == cur) {
409 break;
410 }
411 mp++;
412 }
413
414 if (stack_ptr == sizeof(stack)/sizeof(stack[0]))
415 panic("wskbd_load_keymap: %d: recursion too deep",
416 mapdata->layout);
417 if (mp->map_size <= 0)
418 return(EINVAL);
419
420 stack[stack_ptr] = mp;
421 cur = mp->base;
422 }
423
424 for (i = 0, s = stack_ptr - 1; s >= 0; s--) {
425 mp = stack[s];
426 for (kp = mp->map; kp < mp->map + mp->map_size; kp++)
427 if (KS_GROUP(*kp) == KS_GROUP_Keycode && KS_VALUE(*kp) > i)
428 i = KS_VALUE(*kp);
429 }
430
431 wskbd_init_keymap(i + 1, map, maplen);
432
433 for (s = stack_ptr - 1; s >= 0; s--) {
434 mp = stack[s];
435 for (kp = mp->map; kp < mp->map + mp->map_size; ) {
436 if (KS_GROUP(*kp) != KS_GROUP_Keycode)
437 panic("wskbd_load_keymap: %d(%d): bad entry",
438 mp->name, *kp);
439
440 kc = KS_VALUE(*kp);
441 kp++;
442
443 if (KS_GROUP(*kp) == KS_GROUP_Command ||
444 *kp == KS_Cmd || *kp == KS_Cmd1 || *kp == KS_Cmd2) {
445 (*map)[kc].command = *kp;
446 kp++;
447 }
448
449 for (i = 0; kp + i < mp->map + mp->map_size; i++)
450 if (KS_GROUP(kp[i]) == KS_GROUP_Keycode)
451 break;
452
453 if (i > 4)
454 panic("wskbd_load_keymap: %d(%d): bad entry",
455 mp->name, *kp);
456
457 fillmapentry(kp, i, &(*map)[kc]);
458 kp += i;
459 }
460 }
461
462 return(0);
463 }
464