2 * Copyright © 2012 Intel Corporation
3 * Copyright © 2012 Ran Benita <ran234@gmail.com>
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Author: Daniel Stone <daniel@fooishbar.org>
27 /************************************************************
28 * Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
30 * Permission to use, copy, modify, and distribute this
31 * software and its documentation for any purpose and without
32 * fee is hereby granted, provided that the above copyright
33 * notice appear in all copies and that both that copyright
34 * notice and this permission notice appear in supporting
35 * documentation, and that the name of Silicon Graphics not be
36 * used in advertising or publicity pertaining to distribution
37 * of the software without specific prior written permission.
38 * Silicon Graphics makes no representation about the suitability
39 * of this software for any purpose. It is provided "as is"
40 * without any express or implied warranty.
42 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
43 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
44 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
45 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
46 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
47 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
48 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
49 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
51 * ********************************************************/
56 static struct xkb_keymap *
57 xkb_keymap_new(struct xkb_context *ctx,
58 enum xkb_keymap_format format,
59 enum xkb_keymap_compile_flags flags)
61 struct xkb_keymap *keymap;
63 keymap = calloc(1, sizeof(*keymap));
68 keymap->ctx = xkb_context_ref(ctx);
70 keymap->format = format;
71 keymap->flags = flags;
76 XKB_EXPORT struct xkb_keymap *
77 xkb_keymap_ref(struct xkb_keymap *keymap)
84 xkb_keymap_unref(struct xkb_keymap *keymap)
89 if (!keymap || --keymap->refcnt > 0)
93 xkb_foreach_key(key, keymap) {
95 for (i = 0; i < key->num_groups; i++) {
96 if (key->groups[i].levels) {
97 for (j = 0; j < XkbKeyGroupWidth(key, i); j++)
98 if (key->groups[i].levels[j].num_syms > 1)
99 free(key->groups[i].levels[j].u.syms);
100 free(key->groups[i].levels);
109 for (i = 0; i < keymap->num_types; i++) {
110 free(keymap->types[i].entries);
111 free(keymap->types[i].level_names);
115 free(keymap->sym_interprets);
116 free(keymap->key_aliases);
117 free(keymap->group_names);
118 darray_free(keymap->mods);
119 darray_free(keymap->leds);
120 free(keymap->keycodes_section_name);
121 free(keymap->symbols_section_name);
122 free(keymap->types_section_name);
123 free(keymap->compat_section_name);
124 xkb_context_unref(keymap->ctx);
128 static const struct xkb_keymap_format_ops *
129 get_keymap_format_ops(enum xkb_keymap_format format)
131 static const struct xkb_keymap_format_ops *keymap_format_ops[] = {
132 [XKB_KEYMAP_FORMAT_TEXT_V1] = &text_v1_keymap_format_ops,
135 if ((int) format < 0 || (int) format >= ARRAY_SIZE(keymap_format_ops))
138 return keymap_format_ops[format];
141 XKB_EXPORT struct xkb_keymap *
142 xkb_keymap_new_from_names(struct xkb_context *ctx,
143 const struct xkb_rule_names *rmlvo_in,
144 enum xkb_keymap_compile_flags flags)
146 struct xkb_keymap *keymap;
147 struct xkb_rule_names rmlvo;
148 const enum xkb_keymap_format format = XKB_KEYMAP_FORMAT_TEXT_V1;
149 const struct xkb_keymap_format_ops *ops;
151 ops = get_keymap_format_ops(format);
152 if (!ops || !ops->keymap_new_from_names) {
153 log_err_func(ctx, "unsupported keymap format: %d\n", format);
157 if (flags & ~(XKB_MAP_COMPILE_PLACEHOLDER)) {
158 log_err_func(ctx, "unrecognized flags: %#x\n", flags);
165 memset(&rmlvo, 0, sizeof(rmlvo));
167 if (isempty(rmlvo.rules))
168 rmlvo.rules = xkb_context_get_default_rules(ctx);
169 if (isempty(rmlvo.model))
170 rmlvo.model = xkb_context_get_default_model(ctx);
171 /* Layout and variant are tied together, so don't try to use one from
172 * the caller and one from the environment. */
173 if (isempty(rmlvo.layout)) {
174 rmlvo.layout = xkb_context_get_default_layout(ctx);
175 rmlvo.variant = xkb_context_get_default_variant(ctx);
177 /* Options can be empty, so respect that if passed in. */
178 if (rmlvo.options == NULL)
179 rmlvo.options = xkb_context_get_default_options(ctx);
181 keymap = xkb_keymap_new(ctx, format, flags);
185 if (!ops->keymap_new_from_names(keymap, &rmlvo)) {
186 xkb_keymap_unref(keymap);
193 XKB_EXPORT struct xkb_keymap *
194 xkb_keymap_new_from_string(struct xkb_context *ctx,
196 enum xkb_keymap_format format,
197 enum xkb_keymap_compile_flags flags)
199 return xkb_keymap_new_from_buffer(ctx, string, SIZE_MAX, format, flags);
202 XKB_EXPORT struct xkb_keymap *
203 xkb_keymap_new_from_buffer(struct xkb_context *ctx,
204 const char *buffer, size_t length,
205 enum xkb_keymap_format format,
206 enum xkb_keymap_compile_flags flags)
208 struct xkb_keymap *keymap;
209 const struct xkb_keymap_format_ops *ops;
211 ops = get_keymap_format_ops(format);
212 if (!ops || !ops->keymap_new_from_string) {
213 log_err_func(ctx, "unsupported keymap format: %d\n", format);
217 if (flags & ~(XKB_MAP_COMPILE_PLACEHOLDER)) {
218 log_err_func(ctx, "unrecognized flags: %#x\n", flags);
223 log_err_func1(ctx, "no buffer specified\n");
227 keymap = xkb_keymap_new(ctx, format, flags);
231 if (!ops->keymap_new_from_string(keymap, buffer, length)) {
232 xkb_keymap_unref(keymap);
239 XKB_EXPORT struct xkb_keymap *
240 xkb_keymap_new_from_file(struct xkb_context *ctx,
242 enum xkb_keymap_format format,
243 enum xkb_keymap_compile_flags flags)
245 struct xkb_keymap *keymap;
246 const struct xkb_keymap_format_ops *ops;
248 ops = get_keymap_format_ops(format);
249 if (!ops || !ops->keymap_new_from_file) {
250 log_err_func(ctx, "unsupported keymap format: %d\n", format);
254 if (flags & ~(XKB_MAP_COMPILE_PLACEHOLDER)) {
255 log_err_func(ctx, "unrecognized flags: %#x\n", flags);
260 log_err_func1(ctx, "no file specified\n");
264 keymap = xkb_keymap_new(ctx, format, flags);
268 if (!ops->keymap_new_from_file(keymap, file)) {
269 xkb_keymap_unref(keymap);
277 xkb_keymap_get_as_string(struct xkb_keymap *keymap,
278 enum xkb_keymap_format format)
280 const struct xkb_keymap_format_ops *ops;
282 if (format == XKB_KEYMAP_USE_ORIGINAL_FORMAT)
283 format = keymap->format;
285 ops = get_keymap_format_ops(format);
286 if (!ops || !ops->keymap_get_as_string) {
287 log_err_func(keymap->ctx, "unsupported keymap format: %d\n", format);
291 return ops->keymap_get_as_string(keymap);
295 * Returns the total number of modifiers active in the keymap.
297 XKB_EXPORT xkb_mod_index_t
298 xkb_keymap_num_mods(struct xkb_keymap *keymap)
300 return darray_size(keymap->mods);
304 * Return the name for a given modifier.
306 XKB_EXPORT const char *
307 xkb_keymap_mod_get_name(struct xkb_keymap *keymap, xkb_mod_index_t idx)
309 if (idx >= darray_size(keymap->mods))
312 return xkb_atom_text(keymap->ctx, darray_item(keymap->mods, idx).name);
316 * Returns the index for a named modifier.
318 XKB_EXPORT xkb_mod_index_t
319 xkb_keymap_mod_get_index(struct xkb_keymap *keymap, const char *name)
323 const struct xkb_mod *mod;
325 atom = xkb_atom_lookup(keymap->ctx, name);
326 if (atom == XKB_ATOM_NONE)
327 return XKB_MOD_INVALID;
329 darray_enumerate(i, mod, keymap->mods)
330 if (mod->name == atom)
333 return XKB_MOD_INVALID;
337 * Return the total number of active groups in the keymap.
339 XKB_EXPORT xkb_layout_index_t
340 xkb_keymap_num_layouts(struct xkb_keymap *keymap)
342 return keymap->num_groups;
346 * Returns the name for a given group.
348 XKB_EXPORT const char *
349 xkb_keymap_layout_get_name(struct xkb_keymap *keymap, xkb_layout_index_t idx)
351 if (idx >= keymap->num_group_names)
354 return xkb_atom_text(keymap->ctx, keymap->group_names[idx]);
358 * Returns the index for a named layout.
360 XKB_EXPORT xkb_layout_index_t
361 xkb_keymap_layout_get_index(struct xkb_keymap *keymap, const char *name)
363 xkb_atom_t atom = xkb_atom_lookup(keymap->ctx, name);
364 xkb_layout_index_t i;
366 if (atom == XKB_ATOM_NONE)
367 return XKB_LAYOUT_INVALID;
369 for (i = 0; i < keymap->num_group_names; i++)
370 if (keymap->group_names[i] == atom)
373 return XKB_LAYOUT_INVALID;
377 * Returns the number of layouts active for a particular key.
379 XKB_EXPORT xkb_layout_index_t
380 xkb_keymap_num_layouts_for_key(struct xkb_keymap *keymap, xkb_keycode_t kc)
382 const struct xkb_key *key = XkbKey(keymap, kc);
387 return key->num_groups;
391 * Returns the number of levels active for a particular key and layout.
393 XKB_EXPORT xkb_level_index_t
394 xkb_keymap_num_levels_for_key(struct xkb_keymap *keymap, xkb_keycode_t kc,
395 xkb_layout_index_t layout)
397 const struct xkb_key *key = XkbKey(keymap, kc);
402 layout = wrap_group_into_range(layout, key->num_groups,
403 key->out_of_range_group_action,
404 key->out_of_range_group_number);
405 if (layout == XKB_LAYOUT_INVALID)
408 return XkbKeyGroupWidth(key, layout);
412 * Return the total number of LEDs in the keymap.
414 XKB_EXPORT xkb_led_index_t
415 xkb_keymap_num_leds(struct xkb_keymap *keymap)
417 return darray_size(keymap->leds);
421 * Returns the name for a given LED.
423 XKB_EXPORT const char *
424 xkb_keymap_led_get_name(struct xkb_keymap *keymap, xkb_led_index_t idx)
426 if (idx >= darray_size(keymap->leds))
429 return xkb_atom_text(keymap->ctx, darray_item(keymap->leds, idx).name);
433 * Returns the index for a named LED.
435 XKB_EXPORT xkb_led_index_t
436 xkb_keymap_led_get_index(struct xkb_keymap *keymap, const char *name)
438 xkb_atom_t atom = xkb_atom_lookup(keymap->ctx, name);
440 const struct xkb_led *led;
442 if (atom == XKB_ATOM_NONE)
443 return XKB_LED_INVALID;
445 darray_enumerate(i, led, keymap->leds)
446 if (led->name == atom)
449 return XKB_LED_INVALID;
453 * As below, but takes an explicit layout/level rather than state.
456 xkb_keymap_key_get_syms_by_level(struct xkb_keymap *keymap,
458 xkb_layout_index_t layout,
459 xkb_level_index_t level,
460 const xkb_keysym_t **syms_out)
462 const struct xkb_key *key = XkbKey(keymap, kc);
468 layout = wrap_group_into_range(layout, key->num_groups,
469 key->out_of_range_group_action,
470 key->out_of_range_group_number);
471 if (layout == XKB_LAYOUT_INVALID)
474 if (level >= XkbKeyGroupWidth(key, layout))
477 num_syms = key->groups[layout].levels[level].num_syms;
482 *syms_out = &key->groups[layout].levels[level].u.sym;
484 *syms_out = key->groups[layout].levels[level].u.syms;
493 XKB_EXPORT xkb_keycode_t
494 xkb_keymap_min_keycode(struct xkb_keymap *keymap)
496 return keymap->min_key_code;
499 XKB_EXPORT xkb_keycode_t
500 xkb_keymap_max_keycode(struct xkb_keymap *keymap)
502 return keymap->max_key_code;
506 xkb_keymap_key_for_each(struct xkb_keymap *keymap, xkb_keymap_key_iter_t iter,
511 xkb_foreach_key(key, keymap)
512 iter(keymap, key->keycode, data);
516 * Simple boolean specifying whether or not the key should repeat.
519 xkb_keymap_key_repeats(struct xkb_keymap *keymap, xkb_keycode_t kc)
521 const struct xkb_key *key = XkbKey(keymap, kc);
530 XkbKeyByName(struct xkb_keymap *keymap, xkb_atom_t name, bool use_aliases)
534 xkb_foreach_key(key, keymap)
535 if (key->name == name)
539 xkb_atom_t new_name = XkbResolveKeyAlias(keymap, name);
540 if (new_name != XKB_ATOM_NONE)
541 return XkbKeyByName(keymap, new_name, false);
548 XkbResolveKeyAlias(struct xkb_keymap *keymap, xkb_atom_t name)
550 for (unsigned i = 0; i < keymap->num_key_aliases; i++)
551 if (keymap->key_aliases[i].alias == name)
552 return keymap->key_aliases[i].real;
554 return XKB_ATOM_NONE;