2 Copyright 1985, 1987, 1990, 1998 The Open Group
3 Copyright 2008 Dan Nicholson
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 shall be included in
13 all copies or substantial portions of the Software.
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 Except as contained in this notice, the names of the authors or their
23 institutions shall not be used in advertising or otherwise to promote the
24 sale, use or other dealings in this Software without prior written
25 authorization from the authors.
28 /************************************************************
29 Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
31 Permission to use, copy, modify, and distribute this
32 software and its documentation for any purpose and without
33 fee is hereby granted, provided that the above copyright
34 notice appear in all copies and that both that copyright
35 notice and this permission notice appear in supporting
36 documentation, and that the name of Silicon Graphics not be
37 used in advertising or publicity pertaining to distribution
38 of the software without specific prior written permission.
39 Silicon Graphics makes no representation about the suitability
40 of this software for any purpose. It is provided "as is"
41 without any express or implied warranty.
43 SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
44 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
45 AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
46 GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
47 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
48 DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
49 OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
50 THE USE OR PERFORMANCE OF THIS SOFTWARE.
52 ********************************************************/
60 #include <X11/Xfuncproto.h>
61 #include <X11/extensions/XKB.h>
63 typedef uint32_t xkb_keycode_t;
64 typedef uint32_t xkb_keysym_t;
65 typedef uint32_t xkb_mod_index_t;
66 typedef uint32_t xkb_group_index_t;
68 #define XKB_MOD_INVALID (0xffffffff)
69 #define XKB_GROUP_INVALID (0xffffffff)
70 #define XKB_KEYCODE_INVALID (0xffffffff)
72 #define XKB_KEYCODE_MAX (0xffffffff - 1)
73 #define xkb_keycode_is_legal_ext(kc) (kc <= XKB_KEYCODE_MAX)
74 #define xkb_keycode_is_legal_x11(kc) (kc <= XKB_KEYCODE_MAX)
75 #define xkb_keymap_keycode_range_is_legal(xkb) \
76 (xkb->max_key_code > 0 && \
77 xkb->max_key_code > xkb->min_key_code && \
78 xkb_keycode_is_legal_ext(xkb->min_key_code) && \
79 xkb_keycode_is_legal_ext(xkb->max_key_code))
81 /* Duplicate the modifier mask defines so libxkcommon can be used
83 #define XKB_COMMON_SHIFT_MASK (1 << 0)
84 #define XKB_COMMON_LOCK_MASK (1 << 1)
85 #define XKB_COMMON_CONTROL_MASK (1 << 2)
86 #define XKB_COMMON_MOD1_MASK (1 << 3)
87 #define XKB_COMMON_MOD2_MASK (1 << 4)
88 #define XKB_COMMON_MOD3_MASK (1 << 5)
89 #define XKB_COMMON_MOD4_MASK (1 << 6)
90 #define XKB_COMMON_MOD5_MASK (1 << 7)
93 struct xkb_rule_names {
101 struct xkb_any_action {
106 struct xkb_mod_action {
114 struct xkb_group_action {
120 struct xkb_iso_action {
130 struct xkb_controls_action {
136 struct xkb_device_button_action {
144 struct xkb_device_valuator_action {
155 struct xkb_pointer_default_action {
162 struct xkb_switch_screen_action {
168 struct xkb_redirect_key_action {
170 xkb_keycode_t new_key;
177 struct xkb_pointer_action {
184 struct xkb_message_action {
190 struct xkb_pointer_button_action {
198 struct xkb_any_action any;
199 struct xkb_mod_action mods;
200 struct xkb_group_action group;
201 struct xkb_iso_action iso;
202 struct xkb_controls_action ctrls;
203 struct xkb_device_button_action devbtn;
204 struct xkb_device_valuator_action devval;
205 struct xkb_pointer_default_action dflt;
206 struct xkb_switch_screen_action screen;
207 struct xkb_redirect_key_action redirect; /* XXX wholly unnecessary? */
208 struct xkb_pointer_action ptr; /* XXX delete for DeviceValuator */
209 struct xkb_pointer_button_action btn; /* XXX delete for DeviceBtn */
210 struct xkb_message_action msg; /* XXX just delete */
215 uint32_t mask; /* effective mods */
220 struct xkb_kt_map_entry {
223 struct xkb_mods mods;
226 struct xkb_key_type {
227 struct xkb_mods mods;
229 unsigned char map_count;
230 struct xkb_kt_map_entry * map;
231 struct xkb_mods * preserve;
233 const char **level_names;
236 struct xkb_sym_interpret {
241 uint32_t virtual_mod;
242 union xkb_action act;
245 struct xkb_compat_map {
246 struct xkb_sym_interpret * sym_interpret;
247 struct xkb_mods groups[XkbNumKbdGroups];
248 unsigned short num_si;
249 unsigned short size_si;
253 unsigned char kt_index[XkbNumKbdGroups];
254 unsigned char group_info;
256 unsigned short offset;
259 #define XkbNumGroups(g) ((g)&0x0f)
260 #define XkbOutOfRangeGroupInfo(g) ((g)&0xf0)
261 #define XkbOutOfRangeGroupAction(g) ((g)&0xc0)
262 #define XkbOutOfRangeGroupNumber(g) (((g)&0x30)>>4)
263 #define XkbSetGroupInfo(g,w,n) (((w)&0xc0)|(((n)&3)<<4)|((g)&0x0f))
264 #define XkbSetNumGroups(g,n) (((g)&0xf0)|((n)&0x0f))
266 struct xkb_client_map {
267 unsigned char size_types;
268 unsigned char num_types;
269 struct xkb_key_type * types;
274 struct xkb_sym_map * key_sym_map;
276 unsigned char *modmap;
279 struct xkb_behavior {
284 struct xkb_server_map {
285 unsigned short num_acts;
286 unsigned short size_acts;
288 #if defined(__cplusplus) || defined(c_plusplus)
289 /* explicit is a C++ reserved word */
290 unsigned char * c_explicit;
292 unsigned char * explicit;
295 union xkb_action *acts;
296 struct xkb_behavior *behaviors;
297 unsigned short *key_acts;
298 unsigned char *explicits;
299 uint32_t vmods[XkbNumVirtualMods]; /* vmod -> mod mapping */
300 uint32_t *vmodmap; /* key -> vmod mapping */
304 struct xkb_indicator_map {
306 unsigned char which_groups;
307 unsigned char groups;
308 unsigned char which_mods;
309 struct xkb_mods mods;
313 struct xkb_indicator {
314 unsigned long phys_indicators;
315 struct xkb_indicator_map maps[XkbNumIndicators];
318 struct xkb_key_name {
319 char name[XkbKeyNameLength];
322 struct xkb_key_alias {
323 char real[XkbKeyNameLength];
324 char alias[XkbKeyNameLength];
328 const char *vmods[XkbNumVirtualMods];
329 const char *indicators[XkbNumIndicators];
330 const char *groups[XkbNumKbdGroups];
331 struct xkb_key_name * keys;
332 struct xkb_key_alias * key_aliases;
334 xkb_keycode_t num_keys;
335 xkb_keycode_t num_key_aliases;
338 struct xkb_controls {
339 unsigned char num_groups;
340 unsigned char groups_wrap;
341 struct xkb_mods internal;
342 struct xkb_mods ignore_lock;
343 unsigned int enabled_ctrls;
344 unsigned short repeat_delay;
345 unsigned short repeat_interval;
346 unsigned short slow_keys_delay;
347 unsigned short debounce_delay;
348 unsigned short ax_options;
349 unsigned short ax_timeout;
350 unsigned short axt_opts_mask;
351 unsigned short axt_opts_values;
352 unsigned int axt_ctrls_mask;
353 unsigned int axt_ctrls_values;
354 unsigned char *per_key_repeat;
357 /* Common keyboard description structure */
359 unsigned int defined;
360 unsigned short flags;
361 unsigned short device_spec;
362 xkb_keycode_t min_key_code;
363 xkb_keycode_t max_key_code;
365 struct xkb_controls * ctrls;
366 struct xkb_server_map * server;
367 struct xkb_client_map * map;
368 struct xkb_indicator * indicators;
369 struct xkb_names * names;
370 struct xkb_compat_map * compat;
374 #define XkbKeyGroupInfo(d,k) ((d)->map->key_sym_map[k].group_info)
375 #define XkbKeyNumGroups(d,k) (XkbNumGroups((d)->map->key_sym_map[k].group_info))
376 #define XkbKeyGroupWidth(d,k,g) (XkbKeyType(d,k,g)->num_levels)
377 #define XkbKeyGroupsWidth(d,k) ((d)->map->key_sym_map[k].width)
378 #define XkbKeyTypeIndex(d,k,g) ((d)->map->key_sym_map[k].kt_index[g&0x3])
379 #define XkbKeyType(d,k,g) (&(d)->map->types[XkbKeyTypeIndex(d,k,g)])
380 #define XkbKeyNumSyms(d,k) (XkbKeyGroupsWidth(d,k)*XkbKeyNumGroups(d,k))
381 #define XkbKeySymsOffset(d,k) ((d)->map->key_sym_map[k].offset)
382 #define XkbKeySymsPtr(d,k) (&(d)->map->syms[XkbKeySymsOffset(d,k)])
383 #define XkbKeySym(d,k,n) (XkbKeySymsPtr(d,k)[n])
384 #define XkbKeySymEntry(d,k,sl,g) \
385 (XkbKeySym(d,k,((XkbKeyGroupsWidth(d,k)*(g))+(sl))))
386 #define XkbKeyHasActions(d,k) ((d)->server->key_acts[k]!=0)
387 #define XkbKeyNumActions(d,k) (XkbKeyHasActions(d,k)?XkbKeyNumSyms(d,k):1)
388 #define XkbKeyActionsPtr(d,k) (&(d)->server->acts[(d)->server->key_acts[k]])
389 #define XkbKeyAction(d,k,n) \
390 (XkbKeyHasActions(d,k)?&XkbKeyActionsPtr(d,k)[n]:NULL)
391 #define XkbKeyActionEntry(d,k,sl,g) \
392 (XkbKeyHasActions(d,k)?\
393 XkbKeyAction(d,k,((XkbKeyGroupsWidth(d,k)*(g))+(sl))):NULL)
395 #define XkbKeycodeInRange(d,k) (((k)>=(d)->min_key_code)&&\
396 ((k)<=(d)->max_key_code))
397 #define XkbNumKeys(d) ((d)->max_key_code-(d)->min_key_code+1)
399 struct xkb_map_changes {
400 unsigned short changed;
401 xkb_keycode_t min_key_code;
402 xkb_keycode_t max_key_code;
403 unsigned char first_type;
404 unsigned char num_types;
405 xkb_keycode_t first_key_sym;
406 xkb_keycode_t num_key_syms;
407 xkb_keycode_t first_key_act;
408 xkb_keycode_t num_key_acts;
409 xkb_keycode_t first_key_behavior;
410 xkb_keycode_t num_key_behaviors;
411 xkb_keycode_t first_key_explicit;
412 xkb_keycode_t num_key_explicit;
413 xkb_keycode_t first_modmap_key;
414 xkb_keycode_t num_modmap_keys;
415 xkb_keycode_t first_vmodmap_key;
416 xkb_keycode_t num_vmodmap_keys;
417 unsigned short vmods;
420 struct xkb_controls_changes {
421 unsigned int changed_ctrls;
422 unsigned int enabled_ctrls_changes;
423 int num_groups_changed;
426 struct xkb_indicator_changes {
427 unsigned int state_changes;
428 unsigned int map_changes;
431 struct xkb_name_changes {
432 unsigned int changed;
433 unsigned char first_type;
434 unsigned char num_types;
435 unsigned char first_lvl;
436 unsigned char num_lvls;
437 xkb_keycode_t num_aliases;
438 xkb_keycode_t first_key;
439 xkb_keycode_t num_keys;
440 unsigned short changed_vmods;
441 unsigned long changed_indicators;
442 unsigned char changed_groups;
445 struct xkb_compat_changes {
446 unsigned char changed_groups;
447 unsigned short first_si;
448 unsigned short num_si;
452 unsigned short device_spec;
453 unsigned short state_changes;
454 struct xkb_map_changes map;
455 struct xkb_controls_changes ctrls;
456 struct xkb_indicator_changes indicators;
457 struct xkb_name_changes names;
458 struct xkb_compat_changes compat;
461 struct xkb_component_names {
469 struct xkb_component_name {
470 unsigned short flags;
475 unsigned char group; /* base + latched + locked */
476 /* FIXME: Why are base + latched short and not char?? */
477 unsigned short base_group; /* physically ... down? */
478 unsigned short latched_group;
479 unsigned char locked_group;
481 unsigned char mods; /* base + latched + locked */
482 unsigned char base_mods; /* physically down */
483 unsigned char latched_mods;
484 unsigned char locked_mods;
486 unsigned char compat_state; /* mods + group for core state */
488 /* grab mods = all depressed and latched mods, _not_ locked mods */
489 unsigned char grab_mods; /* grab mods minus internal mods */
490 unsigned char compat_grab_mods; /* grab mods + group for core state,
491 but not locked groups if
492 IgnoreGroupLocks set */
494 /* effective mods = all mods (depressed, latched, locked) */
495 unsigned char lookup_mods; /* effective mods minus internal mods */
496 unsigned char compat_lookup_mods; /* effective mods + group */
498 unsigned short ptr_buttons; /* core pointer buttons */
503 struct xkb_desc *xkb;
506 #define XkbStateFieldFromRec(s) XkbBuildCoreState((s)->lookup_mods,(s)->group)
507 #define XkbGrabStateFromRec(s) XkbBuildCoreState((s)->grab_mods,(s)->group)
509 #define XkbNumGroups(g) ((g)&0x0f)
510 #define XkbOutOfRangeGroupInfo(g) ((g)&0xf0)
511 #define XkbOutOfRangeGroupAction(g) ((g)&0xc0)
512 #define XkbOutOfRangeGroupNumber(g) (((g)&0x30)>>4)
513 #define XkbSetNumGroups(g,n) (((g)&0xf0)|((n)&0x0f))
517 _X_EXPORT extern struct xkb_desc *
518 xkb_compile_keymap_from_rules(const struct xkb_rule_names *rules);
520 _X_EXPORT extern struct xkb_desc *
521 xkb_compile_keymap_from_components(const struct xkb_component_names * ktcsg);
523 _X_EXPORT extern struct xkb_desc *
524 xkb_compile_keymap_from_file(FILE *inputFile, const char *mapName);
526 _X_EXPORT extern struct xkb_desc *
527 xkb_compile_keymap_from_string(const char *string, const char *mapName);
529 _X_EXPORT extern void
530 xkb_free_keymap(struct xkb_desc *xkb);
533 * Canonicalises component names by prepending the relevant component from
534 * 'old' to the one in 'names' when the latter has a leading '+' or '|', and
535 * by replacing a '%' with the relevant component, e.g.:
538 * ------------------------------------------
541 * foo+%|baz bar foo+bar|baz
543 * If a component in names needs to be modified, the existing value will be
544 * free()d, and a new one allocated with malloc().
546 _X_EXPORT extern void
547 xkb_canonicalise_components(struct xkb_component_names * names,
548 const struct xkb_component_names * old);
551 * Converts a keysym to a string; will return unknown Unicode codepoints
552 * as "Ua1b2", and other unknown keysyms as "0xabcd1234".
554 _X_EXPORT extern void
555 xkb_keysym_to_string(xkb_keysym_t ks, char *buffer, size_t size);
558 * See xkb_keysym_to_string comments: this function will accept any string
559 * from that function.
561 _X_EXPORT extern xkb_keysym_t
562 xkb_string_to_keysym(const char *s);
564 _X_EXPORT unsigned int
565 xkb_key_get_syms(struct xkb_state *state, xkb_keycode_t key,
566 xkb_keysym_t **syms_out);
569 * @defgroup components XKB state components
570 * Allows enumeration of state components such as modifiers and groups within
571 * the current keymap.
577 * Returns the number of modifiers active in the keymap.
579 _X_EXPORT xkb_mod_index_t
580 xkb_map_num_mods(struct xkb_desc *xkb);
583 * Returns the name of the modifier specified by 'idx', or NULL if invalid.
585 _X_EXPORT const char *
586 xkb_map_mod_get_name(struct xkb_desc *xkb, xkb_mod_index_t idx);
589 * Returns the index of the modifier specified by 'name', or NULL if invalid.
591 _X_EXPORT xkb_mod_index_t
592 xkb_map_mod_get_index(struct xkb_desc *xkb, const char *name);
595 * Returns the number of groups active in the keymap.
597 _X_EXPORT xkb_group_index_t
598 xkb_map_num_groups(struct xkb_desc *xkb);
601 * Returns the name of the group specified by 'idx', or NULL if invalid.
603 _X_EXPORT const char *
604 xkb_map_group_get_name(struct xkb_desc *xkb, xkb_group_index_t idx);
607 * Returns the index of the group specified by 'name', or NULL if invalid.
609 _X_EXPORT xkb_group_index_t
610 xkb_map_group_get_index(struct xkb_desc *xkb, const char *name);
613 * Returns the number of groups active for the specified key.
615 _X_EXPORT xkb_group_index_t
616 xkb_key_num_groups(struct xkb_desc *xkb, xkb_keycode_t key);
621 * @defgroup state XKB state objects
622 * Creation, destruction and manipulation of keyboard state objects,
623 * representing modifier and group state.
629 * Allocates a new XKB state object for use with the given keymap.
631 _X_EXPORT struct xkb_state *
632 xkb_state_new(struct xkb_desc *xkb);
635 * Adds a reference to a state object, so it will not be freed until unref.
638 xkb_state_ref(struct xkb_state *state);
641 * Unrefs and potentially deallocates a state object; the caller must not
642 * use the state object after calling this.
645 xkb_state_unref(struct xkb_state *state);
648 * Updates a state object to reflect the given key being pressed or released.
651 xkb_state_update_key(struct xkb_state *state, xkb_keycode_t key, int down);
654 * Modifier and group types for state objects. This enum is bitmaskable,
655 * e.g. (XKB_STATE_DEPRESSED | XKB_STATE_LATCHED) is valid to exclude
658 enum xkb_state_component {
659 XKB_STATE_DEPRESSED = (1 << 0),
660 /**< A key holding this modifier or group is currently physically
661 * depressed; also known as 'base'. */
662 XKB_STATE_LATCHED = (1 << 1),
663 /**< Modifier or group is latched, i.e. will be unset after the next
664 * non-modifier key press. */
665 XKB_STATE_LOCKED = (1 << 2),
666 /**< Modifier or group is locked, i.e. will be unset after the key
667 * provoking the lock has been pressed again. */
668 XKB_STATE_EFFECTIVE =
669 (XKB_STATE_DEPRESSED | XKB_STATE_LATCHED | XKB_STATE_LOCKED),
670 /**< Combinatination of depressed, latched, and locked. */
674 * Returns 1 if the modifier specified by 'name' is active in the manner
675 * specified by 'type', 0 if it is unset, or -1 if the modifier does not
676 * exist in the current map.
679 xkb_state_mod_name_is_active(struct xkb_state *state, const char *name,
680 enum xkb_state_component type);
683 * Returns 1 if the modifier specified by 'idx' is active in the manner
684 * specified by 'type', 0 if it is unset, or -1 if the modifier does not
685 * exist in the current map.
688 xkb_state_mod_index_is_active(struct xkb_state *state, xkb_mod_index_t idx,
689 enum xkb_state_component type);
692 * Returns 1 if the group specified by 'name' is active in the manner
693 * specified by 'type', 0 if it is unset, or -1 if the group does not
694 * exist in the current map.
697 xkb_state_group_name_is_active(struct xkb_state *state, const char *name,
698 enum xkb_state_component type);
701 * Returns 1 if the group specified by 'idx' is active in the manner
702 * specified by 'type', 0 if it is unset, or -1 if the group does not
703 * exist in the current map.
706 xkb_state_group_index_is_active(struct xkb_state *state, xkb_group_index_t idx,
707 enum xkb_state_component type);
713 #endif /* _XKBCOMMON_H_ */