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a09e091a JB |
1 | /************************************************************ |
2 | Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc. | |
3 | ||
4 | Permission to use, copy, modify, and distribute this | |
5 | software and its documentation for any purpose and without | |
6 | fee is hereby granted, provided that the above copyright | |
7 | notice appear in all copies and that both that copyright | |
8 | notice and this permission notice appear in supporting | |
9 | documentation, and that the name of Silicon Graphics not be | |
10 | used in advertising or publicity pertaining to distribution | |
11 | of the software without specific prior written permission. | |
12 | Silicon Graphics makes no representation about the suitability | |
13 | of this software for any purpose. It is provided "as is" | |
14 | without any express or implied warranty. | |
15 | ||
16 | SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS | |
17 | SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY | |
18 | AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON | |
19 | GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL | |
20 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
21 | DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE | |
22 | OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH | |
23 | THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
24 | ||
25 | ********************************************************/ | |
26 | ||
27 | #ifdef HAVE_DIX_CONFIG_H | |
28 | #include <dix-config.h> | |
29 | #endif | |
30 | ||
31 | #include <stdio.h> | |
32 | #include <X11/X.h> | |
33 | #include <X11/Xproto.h> | |
34 | #include "misc.h" | |
35 | #include "inputstr.h" | |
36 | #include <xkbsrv.h> | |
37 | #include "xkbgeom.h" | |
38 | #include <os.h> | |
39 | #include <string.h> | |
40 | ||
41 | /***===================================================================***/ | |
42 | ||
43 | /*ARGSUSED*/ Status | |
44 | XkbAllocCompatMap(XkbDescPtr xkb, unsigned which, unsigned nSI) | |
45 | { | |
46 | XkbCompatMapPtr compat; | |
47 | XkbSymInterpretRec *prev_interpret; | |
48 | ||
49 | if (!xkb) | |
50 | return BadMatch; | |
51 | if (xkb->compat) { | |
52 | if (xkb->compat->size_si >= nSI) | |
53 | return Success; | |
54 | compat = xkb->compat; | |
55 | compat->size_si = nSI; | |
56 | if (compat->sym_interpret == NULL) | |
57 | compat->num_si = 0; | |
58 | prev_interpret = compat->sym_interpret; | |
59 | compat->sym_interpret = realloc(compat->sym_interpret, | |
60 | nSI * sizeof(XkbSymInterpretRec)); | |
61 | if (compat->sym_interpret == NULL) { | |
62 | free(prev_interpret); | |
63 | compat->size_si = compat->num_si = 0; | |
64 | return BadAlloc; | |
65 | } | |
66 | if (compat->num_si != 0) { | |
67 | memset(&compat->sym_interpret[compat->num_si], 0, | |
68 | (compat->size_si - | |
69 | compat->num_si) * sizeof(XkbSymInterpretRec)); | |
70 | } | |
71 | return Success; | |
72 | } | |
73 | compat = calloc(1, sizeof(XkbCompatMapRec)); | |
74 | if (compat == NULL) | |
75 | return BadAlloc; | |
76 | if (nSI > 0) { | |
77 | compat->sym_interpret = calloc(nSI, sizeof(XkbSymInterpretRec)); | |
78 | if (!compat->sym_interpret) { | |
79 | free(compat); | |
80 | return BadAlloc; | |
81 | } | |
82 | } | |
83 | compat->size_si = nSI; | |
84 | compat->num_si = 0; | |
85 | memset((char *) &compat->groups[0], 0, | |
86 | XkbNumKbdGroups * sizeof(XkbModsRec)); | |
87 | xkb->compat = compat; | |
88 | return Success; | |
89 | } | |
90 | ||
91 | void | |
92 | XkbFreeCompatMap(XkbDescPtr xkb, unsigned which, Bool freeMap) | |
93 | { | |
94 | register XkbCompatMapPtr compat; | |
95 | ||
96 | if ((xkb == NULL) || (xkb->compat == NULL)) | |
97 | return; | |
98 | compat = xkb->compat; | |
99 | if (freeMap) | |
100 | which = XkbAllCompatMask; | |
101 | if (which & XkbGroupCompatMask) | |
102 | memset((char *) &compat->groups[0], 0, | |
103 | XkbNumKbdGroups * sizeof(XkbModsRec)); | |
104 | if (which & XkbSymInterpMask) { | |
105 | if ((compat->sym_interpret) && (compat->size_si > 0)) | |
106 | free(compat->sym_interpret); | |
107 | compat->size_si = compat->num_si = 0; | |
108 | compat->sym_interpret = NULL; | |
109 | } | |
110 | if (freeMap) { | |
111 | free(compat); | |
112 | xkb->compat = NULL; | |
113 | } | |
114 | return; | |
115 | } | |
116 | ||
117 | /***===================================================================***/ | |
118 | ||
119 | Status | |
120 | XkbAllocNames(XkbDescPtr xkb, unsigned which, int nTotalRG, int nTotalAliases) | |
121 | { | |
122 | XkbNamesPtr names; | |
123 | ||
124 | if (xkb == NULL) | |
125 | return BadMatch; | |
126 | if (xkb->names == NULL) { | |
127 | xkb->names = calloc(1, sizeof(XkbNamesRec)); | |
128 | if (xkb->names == NULL) | |
129 | return BadAlloc; | |
130 | } | |
131 | names = xkb->names; | |
132 | if ((which & XkbKTLevelNamesMask) && (xkb->map != NULL) && | |
133 | (xkb->map->types != NULL)) { | |
134 | register int i; | |
135 | XkbKeyTypePtr type; | |
136 | ||
137 | type = xkb->map->types; | |
138 | for (i = 0; i < xkb->map->num_types; i++, type++) { | |
139 | if (type->level_names == NULL) { | |
140 | type->level_names = calloc(type->num_levels, sizeof(Atom)); | |
141 | if (type->level_names == NULL) | |
142 | return BadAlloc; | |
143 | } | |
144 | } | |
145 | } | |
146 | if ((which & XkbKeyNamesMask) && (names->keys == NULL)) { | |
147 | if ((!XkbIsLegalKeycode(xkb->min_key_code)) || | |
148 | (!XkbIsLegalKeycode(xkb->max_key_code)) || | |
149 | (xkb->max_key_code < xkb->min_key_code)) | |
150 | return BadValue; | |
151 | names->keys = calloc((xkb->max_key_code + 1), sizeof(XkbKeyNameRec)); | |
152 | if (names->keys == NULL) | |
153 | return BadAlloc; | |
154 | } | |
155 | if ((which & XkbKeyAliasesMask) && (nTotalAliases > 0)) { | |
156 | if (names->key_aliases == NULL) { | |
157 | names->key_aliases = calloc(nTotalAliases, sizeof(XkbKeyAliasRec)); | |
158 | } | |
159 | else if (nTotalAliases > names->num_key_aliases) { | |
160 | XkbKeyAliasRec *prev_aliases = names->key_aliases; | |
161 | ||
162 | names->key_aliases = realloc(names->key_aliases, | |
163 | nTotalAliases * | |
164 | sizeof(XkbKeyAliasRec)); | |
165 | if (names->key_aliases != NULL) { | |
166 | memset(&names->key_aliases[names->num_key_aliases], 0, | |
167 | (nTotalAliases - | |
168 | names->num_key_aliases) * sizeof(XkbKeyAliasRec)); | |
169 | } | |
170 | else { | |
171 | free(prev_aliases); | |
172 | } | |
173 | } | |
174 | if (names->key_aliases == NULL) { | |
175 | names->num_key_aliases = 0; | |
176 | return BadAlloc; | |
177 | } | |
178 | names->num_key_aliases = nTotalAliases; | |
179 | } | |
180 | if ((which & XkbRGNamesMask) && (nTotalRG > 0)) { | |
181 | if (names->radio_groups == NULL) { | |
182 | names->radio_groups = calloc(nTotalRG, sizeof(Atom)); | |
183 | } | |
184 | else if (nTotalRG > names->num_rg) { | |
185 | Atom *prev_radio_groups = names->radio_groups; | |
186 | ||
187 | names->radio_groups = realloc(names->radio_groups, | |
188 | nTotalRG * sizeof(Atom)); | |
189 | if (names->radio_groups != NULL) { | |
190 | memset(&names->radio_groups[names->num_rg], 0, | |
191 | (nTotalRG - names->num_rg) * sizeof(Atom)); | |
192 | } | |
193 | else { | |
194 | free(prev_radio_groups); | |
195 | } | |
196 | } | |
197 | if (names->radio_groups == NULL) | |
198 | return BadAlloc; | |
199 | names->num_rg = nTotalRG; | |
200 | } | |
201 | return Success; | |
202 | } | |
203 | ||
204 | void | |
205 | XkbFreeNames(XkbDescPtr xkb, unsigned which, Bool freeMap) | |
206 | { | |
207 | XkbNamesPtr names; | |
208 | ||
209 | if ((xkb == NULL) || (xkb->names == NULL)) | |
210 | return; | |
211 | names = xkb->names; | |
212 | if (freeMap) | |
213 | which = XkbAllNamesMask; | |
214 | if (which & XkbKTLevelNamesMask) { | |
215 | XkbClientMapPtr map = xkb->map; | |
216 | ||
217 | if ((map != NULL) && (map->types != NULL)) { | |
218 | register int i; | |
219 | register XkbKeyTypePtr type; | |
220 | ||
221 | type = map->types; | |
222 | for (i = 0; i < map->num_types; i++, type++) { | |
223 | free(type->level_names); | |
224 | type->level_names = NULL; | |
225 | } | |
226 | } | |
227 | } | |
228 | if ((which & XkbKeyNamesMask) && (names->keys != NULL)) { | |
229 | free(names->keys); | |
230 | names->keys = NULL; | |
231 | names->num_keys = 0; | |
232 | } | |
233 | if ((which & XkbKeyAliasesMask) && (names->key_aliases)) { | |
234 | free(names->key_aliases); | |
235 | names->key_aliases = NULL; | |
236 | names->num_key_aliases = 0; | |
237 | } | |
238 | if ((which & XkbRGNamesMask) && (names->radio_groups)) { | |
239 | free(names->radio_groups); | |
240 | names->radio_groups = NULL; | |
241 | names->num_rg = 0; | |
242 | } | |
243 | if (freeMap) { | |
244 | free(names); | |
245 | xkb->names = NULL; | |
246 | } | |
247 | return; | |
248 | } | |
249 | ||
250 | /***===================================================================***/ | |
251 | ||
252 | /*ARGSUSED*/ Status | |
253 | XkbAllocControls(XkbDescPtr xkb, unsigned which) | |
254 | { | |
255 | if (xkb == NULL) | |
256 | return BadMatch; | |
257 | ||
258 | if (xkb->ctrls == NULL) { | |
259 | xkb->ctrls = calloc(1, sizeof(XkbControlsRec)); | |
260 | if (!xkb->ctrls) | |
261 | return BadAlloc; | |
262 | } | |
263 | return Success; | |
264 | } | |
265 | ||
266 | /*ARGSUSED*/ static void | |
267 | XkbFreeControls(XkbDescPtr xkb, unsigned which, Bool freeMap) | |
268 | { | |
269 | if (freeMap && (xkb != NULL) && (xkb->ctrls != NULL)) { | |
270 | free(xkb->ctrls); | |
271 | xkb->ctrls = NULL; | |
272 | } | |
273 | return; | |
274 | } | |
275 | ||
276 | /***===================================================================***/ | |
277 | ||
278 | Status | |
279 | XkbAllocIndicatorMaps(XkbDescPtr xkb) | |
280 | { | |
281 | if (xkb == NULL) | |
282 | return BadMatch; | |
283 | if (xkb->indicators == NULL) { | |
284 | xkb->indicators = calloc(1, sizeof(XkbIndicatorRec)); | |
285 | if (!xkb->indicators) | |
286 | return BadAlloc; | |
287 | } | |
288 | return Success; | |
289 | } | |
290 | ||
291 | static void | |
292 | XkbFreeIndicatorMaps(XkbDescPtr xkb) | |
293 | { | |
294 | if ((xkb != NULL) && (xkb->indicators != NULL)) { | |
295 | free(xkb->indicators); | |
296 | xkb->indicators = NULL; | |
297 | } | |
298 | return; | |
299 | } | |
300 | ||
301 | /***====================================================================***/ | |
302 | ||
303 | XkbDescRec * | |
304 | XkbAllocKeyboard(void) | |
305 | { | |
306 | XkbDescRec *xkb; | |
307 | ||
308 | xkb = calloc(1, sizeof(XkbDescRec)); | |
309 | if (xkb) | |
310 | xkb->device_spec = XkbUseCoreKbd; | |
311 | return xkb; | |
312 | } | |
313 | ||
314 | void | |
315 | XkbFreeKeyboard(XkbDescPtr xkb, unsigned which, Bool freeAll) | |
316 | { | |
317 | if (xkb == NULL) | |
318 | return; | |
319 | if (freeAll) | |
320 | which = XkbAllComponentsMask; | |
321 | if (which & XkbClientMapMask) | |
322 | XkbFreeClientMap(xkb, XkbAllClientInfoMask, TRUE); | |
323 | if (which & XkbServerMapMask) | |
324 | XkbFreeServerMap(xkb, XkbAllServerInfoMask, TRUE); | |
325 | if (which & XkbCompatMapMask) | |
326 | XkbFreeCompatMap(xkb, XkbAllCompatMask, TRUE); | |
327 | if (which & XkbIndicatorMapMask) | |
328 | XkbFreeIndicatorMaps(xkb); | |
329 | if (which & XkbNamesMask) | |
330 | XkbFreeNames(xkb, XkbAllNamesMask, TRUE); | |
331 | if ((which & XkbGeometryMask) && (xkb->geom != NULL)) { | |
332 | XkbFreeGeometry(xkb->geom, XkbGeomAllMask, TRUE); | |
333 | /* PERHAPS BONGHITS etc */ | |
334 | xkb->geom = NULL; | |
335 | } | |
336 | if (which & XkbControlsMask) | |
337 | XkbFreeControls(xkb, XkbAllControlsMask, TRUE); | |
338 | if (freeAll) | |
339 | free(xkb); | |
340 | return; | |
341 | } | |
342 | ||
343 | /***====================================================================***/ | |
344 | ||
345 | void | |
346 | XkbFreeComponentNames(XkbComponentNamesPtr names, Bool freeNames) | |
347 | { | |
348 | if (names) { | |
349 | free(names->keycodes); | |
350 | free(names->types); | |
351 | free(names->compat); | |
352 | free(names->symbols); | |
353 | free(names->geometry); | |
354 | memset(names, 0, sizeof(XkbComponentNamesRec)); | |
355 | } | |
356 | if (freeNames) | |
357 | free(names); | |
358 | } |