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authorRan Benita <ran234@gmail.com>2012-07-23 00:41:27 +0300
committerRan Benita <ran234@gmail.com>2012-07-23 00:45:34 +0300
commit5e164ff1f9b3539ddf1d3adea8225c1549d343db (patch)
treec65f91c1c5504ca6f07f033a471f862df792a401 /xkbcommon/xkbcommon.h
parent2fc0ad5001bc378a2728f24bdbc84e8e0f30f675 (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.h617
1 files changed, 617 insertions, 0 deletions
diff --git a/xkbcommon/xkbcommon.h b/xkbcommon/xkbcommon.h
new file mode 100644
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--- /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_ */