diff options
author | Ran Benita <ran234@gmail.com> | 2012-07-23 00:41:27 +0300 |
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committer | Ran Benita <ran234@gmail.com> | 2012-07-23 00:45:34 +0300 |
commit | 5e164ff1f9b3539ddf1d3adea8225c1549d343db (patch) | |
tree | c65f91c1c5504ca6f07f033a471f862df792a401 /xkbcommon/xkbcommon.h | |
parent | 2fc0ad5001bc378a2728f24bdbc84e8e0f30f675 (diff) |
build: drop the include/ directory
The include/ dir is somewhat redundant and makes it just a bit harder to
handle the -I directives from out side of automake; without it the
default $(top_buildir) just works.
Here's also some further justifications I found:
http://smcv.pseudorandom.co.uk/2008/09/pc-uninstalled/
Signed-off-by: Ran Benita <ran234@gmail.com>
Diffstat (limited to 'xkbcommon/xkbcommon.h')
-rw-r--r-- | xkbcommon/xkbcommon.h | 617 |
1 files changed, 617 insertions, 0 deletions
diff --git a/xkbcommon/xkbcommon.h b/xkbcommon/xkbcommon.h new file mode 100644 index 0000000..42f70ad --- /dev/null +++ b/xkbcommon/xkbcommon.h @@ -0,0 +1,617 @@ +/* + * Copyright 1985, 1987, 1990, 1998 The Open Group + * Copyright 2008 Dan Nicholson + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the names of the authors or their + * institutions shall not be used in advertising or otherwise to promote the + * sale, use or other dealings in this Software without prior written + * authorization from the authors. + */ + +/************************************************************ + * Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting + * documentation, and that the name of Silicon Graphics not be + * used in advertising or publicity pertaining to distribution + * of the software without specific prior written permission. + * Silicon Graphics makes no representation about the suitability + * of this software for any purpose. It is provided "as is" + * without any express or implied warranty. + * + * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON + * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH + * THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + ********************************************************/ + +/* + * Copyright © 2009 Daniel Stone + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Daniel Stone <daniel@fooishbar.org> + */ + +#ifndef _XKBCOMMON_H_ +#define _XKBCOMMON_H_ + +#include <stddef.h> +#include <stdint.h> +#include <stdio.h> + +#include <xkbcommon/xkbcommon-names.h> +#include <xkbcommon/xkbcommon-keysyms.h> + +typedef uint32_t xkb_keycode_t; +typedef uint32_t xkb_keysym_t; +typedef uint32_t xkb_mod_index_t; +typedef uint32_t xkb_mod_mask_t; +typedef uint32_t xkb_group_index_t; +typedef uint32_t xkb_led_index_t; + +#define XKB_MOD_INVALID (0xffffffff) +#define XKB_GROUP_INVALID (0xffffffff) +#define XKB_KEYCODE_INVALID (0xffffffff) +#define XKB_LED_INVALID (0xffffffff) + +#define XKB_KEYCODE_MAX (0xffffffff - 1) +#define xkb_keycode_is_legal_ext(kc) (kc <= XKB_KEYCODE_MAX) +#define xkb_keycode_is_legal_x11(kc) (kc >= 8 && kc <= 255) + +/** + * Names to compile a keymap with, also known as RMLVO. These names together + * should be the primary identifier for a keymap. + */ +struct xkb_rule_names { + const char *rules; + const char *model; + const char *layout; + const char *variant; + const char *options; +}; + +/** + * Opaque context object; may only be created, accessed, manipulated and + * destroyed through the xkb_context_*() API. + */ +struct xkb_context; + +/** + * Opaque keymap object; may only be created, accessed, manipulated and + * destroyed through the xkb_state_*() API. + */ +struct xkb_keymap; + +/** + * Opaque state object; may only be created, accessed, manipulated and + * destroyed through the xkb_state_*() API. + */ +struct xkb_state; + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Returns the name for a keysym as a string; will return unknown Unicode + * codepoints as "Ua1b2", and other unknown keysyms as "0xabcd1234". + * If the buffer passed is too small, the string is truncated; a size of + * at least 32 bytes is recommended. + */ +void +xkb_keysym_get_name(xkb_keysym_t ks, char *buffer, size_t size); + +/* + * See xkb_keysym_get_name comments: this function will accept any string + * from that function. + */ +xkb_keysym_t +xkb_keysym_from_name(const char *s); + +/** + * Return the printable representation of the keystring in Unicode/UTF-8. + * The buffer passed must be at least 7 bytes long. The return value + * is the number of bytes written to the buffer. A return value of zero + * means that the keysym does not have a known printable Unicode + * representation, and a return value of -1 means that the buffer was too + * small to contain the return. + */ +int +xkb_keysym_to_utf8(xkb_keysym_t keysym, char *buffer, size_t size); + +/** + * Returns the Unicode/UTF-32 representation of the provided keysym, which is + * also compatible with UCS-4. A return value of zero means the keysym does + * not have a known printable Unicode representation. + */ +uint32_t +xkb_keysym_to_utf32(xkb_keysym_t keysym); + +/** + * @defgroup context XKB contexts + * Every keymap compilation request must have an XKB context associated with + * it. The context keeps around state such as the include path. + * + * @{ + */ + +enum xkb_context_flags { + /** Create this context with an empty include path. */ + XKB_CONTEXT_NO_DEFAULT_INCLUDES = 1, +}; + +/** + * Returns a new XKB context, or NULL on failure. If successful, the caller + * holds a reference on the context, and must free it when finished with + * xkb_context_unref(). + */ +struct xkb_context * +xkb_context_new(enum xkb_context_flags flags); + +/** + * Appends a new entry to the include path used for keymap compilation. + * Returns 1 on success, or 0 if the include path could not be added or is + * inaccessible. + */ +int +xkb_context_include_path_append(struct xkb_context *context, const char *path); + +/** + * Appends the default include paths to the context's current include path. + * Returns 1 on success, or 0 if the primary include path could not be + * added. + */ +int +xkb_context_include_path_append_default(struct xkb_context *context); + +/** + * Removes all entries from the context's include path, and inserts the + * default paths. Returns 1 on success, or 0 if the primary include path + * could not be added. + */ +int +xkb_context_include_path_reset_defaults(struct xkb_context *context); + +/** + * Removes all entries from the context's include path. + */ +void +xkb_context_include_path_clear(struct xkb_context *context); + +/** + * Returns the number of include paths currently active in the context. + */ +unsigned int +xkb_context_num_include_paths(struct xkb_context *context); + +/** + * Returns the include path at the specified index within the context. + */ +const char * +xkb_context_include_path_get(struct xkb_context *context, unsigned int index); + +/** + * Takes a new reference on an XKB context. + */ +struct xkb_context * +xkb_context_ref(struct xkb_context *context); + +/** + * Releases a reference on an XKB context, and possibly frees it. + */ +void +xkb_context_unref(struct xkb_context *context); + +/** @} */ + +/** + * @defgroup map Keymap management + * These utility functions allow you to create and deallocate XKB keymaps. + * + * @{ + */ + +enum xkb_map_compile_flags { + /** Apparently you can't have empty enums. What a drag. */ + XKB_MAP_COMPILE_PLACEHOLDER = 0, +}; + +/** + * The primary keymap entry point: creates a new XKB keymap from a set of + * RMLVO (Rules + Model + Layout + Variant + Option) names. + * + * You should almost certainly be using this and nothing else to create + * keymaps. + */ +struct xkb_keymap * +xkb_map_new_from_names(struct xkb_context *context, + const struct xkb_rule_names *names, + enum xkb_map_compile_flags flags); + +enum xkb_keymap_format { + /** The current/classic XKB text format, as generated by xkbcomp -xkb. */ + XKB_KEYMAP_FORMAT_TEXT_V1 = 1, +}; + +/** + * Creates an XKB keymap from a full text XKB keymap passed into the + * file. + */ +struct xkb_keymap * +xkb_map_new_from_file(struct xkb_context *context, FILE *file, + enum xkb_keymap_format format, + enum xkb_map_compile_flags flags); + +/** + * Creates an XKB keymap from a full text XKB keymap serialized into one + * enormous string. + */ +struct xkb_keymap * +xkb_map_new_from_string(struct xkb_context *context, const char *string, + enum xkb_keymap_format format, + enum xkb_map_compile_flags flags); + +/** + * Returns the compiled XKB map as a string which can later be fed back into + * xkb_map_new_from_string to return the exact same keymap. + */ +char * +xkb_map_get_as_string(struct xkb_keymap *keymap); + +/** + * Takes a new reference on a keymap. + */ +struct xkb_keymap * +xkb_map_ref(struct xkb_keymap *keymap); + +/** + * Releases a reference on a keymap. + */ +void +xkb_map_unref(struct xkb_keymap *keymap); + +/** @} */ + +/** + * @defgroup components XKB state components + * Allows enumeration of state components such as modifiers and groups within + * the current keymap. + * + * @{ + */ + +/** + * Returns the number of modifiers active in the keymap. + */ +xkb_mod_index_t +xkb_map_num_mods(struct xkb_keymap *keymap); + +/** + * Returns the name of the modifier specified by 'idx', or NULL if invalid. + */ +const char * +xkb_map_mod_get_name(struct xkb_keymap *keymap, xkb_mod_index_t idx); + +/** + * Returns the index of the modifier specified by 'name', or XKB_MOD_INVALID. + */ +xkb_mod_index_t +xkb_map_mod_get_index(struct xkb_keymap *keymap, const char *name); + +/** + * Returns the number of groups active in the keymap. + */ +xkb_group_index_t +xkb_map_num_groups(struct xkb_keymap *keymap); + +/** + * Returns the name of the group specified by 'idx', or NULL if invalid. + */ +const char * +xkb_map_group_get_name(struct xkb_keymap *keymap, xkb_group_index_t idx); + +/** + * Returns the index of the group specified by 'name', or XKB_GROUP_INVALID. + */ +xkb_group_index_t +xkb_map_group_get_index(struct xkb_keymap *keymap, const char *name); + +/** + * Returns the number of groups active for the specified key. + */ +xkb_group_index_t +xkb_key_num_groups(struct xkb_keymap *keymap, xkb_keycode_t key); + +/** + * Returns 1 if the key should repeat, or 0 otherwise. + */ +int +xkb_key_repeats(struct xkb_keymap *keymap, xkb_keycode_t key); + +/** + * Returns the number of LEDs in the given map. + */ +xkb_led_index_t +xkb_map_num_leds(struct xkb_keymap *keymap); + +/** + * Returns the name of the LED specified by 'idx', or NULL if invalid. + */ +const char * +xkb_map_led_get_name(struct xkb_keymap *keymap, xkb_led_index_t idx); + +/** + * Returns the index of the LED specified by 'name', or XKB_LED_INVALID. + */ +xkb_led_index_t +xkb_map_led_get_index(struct xkb_keymap *keymap, const char *name); + +/** @} */ + +/** + * @defgroup state XKB state objects + * Creation, destruction and manipulation of keyboard state objects, + * representing modifier and group state. + * + * @{ + */ + +/** + * Returns a new XKB state object for use with the given keymap, or NULL on + * failure. + */ +struct xkb_state * +xkb_state_new(struct xkb_keymap *keymap); + +/** + * Takes a new reference on a state object. + */ +struct xkb_state * +xkb_state_ref(struct xkb_state *state); + +/** + * Unrefs and potentially deallocates a state object; the caller must not + * use the state object after calling this. + */ +void +xkb_state_unref(struct xkb_state *state); + +/** + * Get the keymap from which the state object was created. Does not take + * a new reference on the map; you must explicitly reference it yourself + * if you plan to use it beyond the lifetime of the state. + */ +struct xkb_keymap * +xkb_state_get_map(struct xkb_state *state); + +enum xkb_key_direction { + XKB_KEY_UP, + XKB_KEY_DOWN, +}; + +/** + * Updates a state object to reflect the given key being pressed or released. + */ +void +xkb_state_update_key(struct xkb_state *state, xkb_keycode_t key, + enum xkb_key_direction direction); + +/** + * Gives the symbols obtained from pressing a particular key with the given + * state. *syms_out will be set to point to an array of keysyms, with the + * return value being the number of symbols in *syms_out. If the return + * value is 0, *syms_out will be set to NULL, as there are no symbols produced + * by this event. + * + * This should be called before xkb_state_update_key. + */ +int +xkb_key_get_syms(struct xkb_state *state, xkb_keycode_t key, + const xkb_keysym_t **syms_out); + +/** + * Modifier and group types for state objects. This enum is bitmaskable, + * e.g. (XKB_STATE_DEPRESSED | XKB_STATE_LATCHED) is valid to exclude + * locked modifiers. + */ +enum xkb_state_component { + /** A key holding this modifier or group is currently physically + * depressed; also known as 'base'. */ + XKB_STATE_DEPRESSED = (1 << 0), + /** Modifier or group is latched, i.e. will be unset after the next + * non-modifier key press. */ + XKB_STATE_LATCHED = (1 << 1), + /** Modifier or group is locked, i.e. will be unset after the key + * provoking the lock has been pressed again. */ + XKB_STATE_LOCKED = (1 << 2), + /** Combinatination of depressed, latched, and locked. */ + XKB_STATE_EFFECTIVE = + (XKB_STATE_DEPRESSED | XKB_STATE_LATCHED | XKB_STATE_LOCKED), +}; + +/** + * Match flags for xkb_state_mod_indices_are_active and + * xkb_state_mod_names_are_active, specifying how the conditions for a + * successful match. XKB_STATE_MATCH_NON_EXCLUSIVE is bitmaskable with + * the other modes. + */ +enum xkb_state_match { + /** Returns true if any of the modifiers are active. */ + XKB_STATE_MATCH_ANY = (1 << 0), + /** Returns true if all of the modifiers are active. */ + XKB_STATE_MATCH_ALL = (1 << 1), + /** Makes matching non-exclusive, i.e. will not return false if a + * modifier not specified in the arguments is active. */ + XKB_STATE_MATCH_NON_EXCLUSIVE = (1 << 16), +}; + +/** + * Updates a state object from a set of explicit masks. This entrypoint is + * really only for window systems and the like, where a master process + * holds an xkb_state, then serializes it over a wire protocol, and clients + * then use the serialization to feed in to their own xkb_state. + * + * All parameters must always be passed, or the resulting state may be + * incoherent. + * + * The serialization is lossy and will not survive round trips; it must only + * be used to feed slave state objects, and must not be used to update the + * master state. + * + * Please do not use this unless you fit the description above. + */ +void +xkb_state_update_mask(struct xkb_state *state, xkb_mod_mask_t base_mods, + xkb_mod_mask_t latched_mods, xkb_mod_mask_t locked_mods, + xkb_group_index_t base_group, + xkb_group_index_t latched_group, + xkb_group_index_t locked_group); + +/** + * The counterpart to xkb_state_update_mask, to be used on the server side + * of serialization. Returns a xkb_mod_mask_t representing the given + * component(s) of the state. + * + * This function should not be used in regular clients; please use the + * xkb_state_mod_*_is_active or xkb_state_foreach_active_mod API instead. + * + * Can return NULL on failure. + */ +xkb_mod_mask_t +xkb_state_serialize_mods(struct xkb_state *state, + enum xkb_state_component component); + +/** + * The group equivalent of xkb_state_serialize_mods: please see its + * documentation. + */ +xkb_group_index_t +xkb_state_serialize_group(struct xkb_state *state, + enum xkb_state_component component); + +/** + * Returns 1 if the modifier specified by 'name' is active in the manner + * specified by 'type', 0 if it is unset, or -1 if the modifier does not + * exist in the map. + */ +int +xkb_state_mod_name_is_active(struct xkb_state *state, const char *name, + enum xkb_state_component type); + +/** + * Returns 1 if the modifiers specified by the varargs (treated as + * NULL-terminated pointers to strings) are active in the manner + * specified by 'match', 0 otherwise, or -1 if any of the modifiers + * do not exist in the map. + */ +int +xkb_state_mod_names_are_active(struct xkb_state *state, + enum xkb_state_component type, + enum xkb_state_match match, + ...); + +/** + * Returns 1 if the modifier specified by 'idx' is active in the manner + * specified by 'type', 0 if it is unset, or -1 if the modifier does not + * exist in the current map. + */ +int +xkb_state_mod_index_is_active(struct xkb_state *state, xkb_mod_index_t idx, + enum xkb_state_component type); + +/** + * Returns 1 if the modifiers specified by the varargs (treated as + * xkb_mod_index_t, terminated with XKB_MOD_INVALID) are active in the manner + * specified by 'match' and 'type', 0 otherwise, or -1 if the modifier does not + * exist in the current map. + */ +int +xkb_state_mod_indices_are_active(struct xkb_state *state, + enum xkb_state_component type, + enum xkb_state_match match, + ...); + +/** + * Returns 1 if the group specified by 'name' is active in the manner + * specified by 'type', 0 if it is unset, or -1 if the group does not + * exist in the current map. + */ +int +xkb_state_group_name_is_active(struct xkb_state *state, const char *name, + enum xkb_state_component type); + +/** + * Returns 1 if the group specified by 'idx' is active in the manner + * specified by 'type', 0 if it is unset, or -1 if the group does not + * exist in the current map. + */ +int +xkb_state_group_index_is_active(struct xkb_state *state, + xkb_group_index_t idx, + enum xkb_state_component type); + +/** + * Returns 1 if the LED specified by 'name' is active, 0 if it is unset, or + * -1 if the LED does not exist in the current map. + */ +int +xkb_state_led_name_is_active(struct xkb_state *state, const char *name); + +/** + * Returns 1 if the LED specified by 'idx' is active, 0 if it is unset, or + * -1 if the LED does not exist in the current map. + */ +int +xkb_state_led_index_is_active(struct xkb_state *state, xkb_led_index_t idx); + +/** @} */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _XKBCOMMON_H_ */ |