Add libxkbcommon to 3rd party libs

This library is required by the XCB platform plugin. As we depend on
very recent version of this library and it might not be available
in base repositories of distributions, users can use -qt-xkbcommom
switch to build Qt with the bundled version.

Change-Id: I0ed2a5cc2f1df98b0e7cc926cabfa69818674e08
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

1 files changed, 451 insertions, 0 deletions

diff --git a/src/3rdparty/xkbcommon/src/keymap.h b/src/3rdparty/xkbcommon/src/keymap.h
new file mode 100644
index 0000000000..c6b884d6bc
--- /dev/null
+++ b/src/3rdparty/xkbcommon/src/keymap.h
@@ -0,0 +1,451 @@
+/*
+ * Copyright 1985, 1987, 1990, 1998  The Open Group
+ *
+ * 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 Dan Nicholson
+ * Copyright © 2012 Intel Corporation
+ * Copyright © 2012 Ran Benita
+ *
+ * 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>
+ *         Dan Nicholson <dbn.lists@gmail.com>
+ */
+
+#ifndef KEYMAP_H
+#define KEYMAP_H
+
+ /* Don't use compat names in internal code. */
+#define _XKBCOMMON_COMPAT_H
+#include "xkbcommon/xkbcommon.h"
+
+#include "utils.h"
+#include "context.h"
+
+/* This limit is artificially enforced, we do not depend on it any where.
+ * The reason it's still here is that the rules file format does not
+ * support multiple groups very well, and the rules shipped with
+ * xkeyboard-config (see rules/evdev) depend on this limit extensively.
+ * So just lifting this limit would cause problems for people who will use
+ * more than 4 layouts.
+ * TODO: Fix the group index syntax in the rules format, preferably in a
+ *       backwards compatible way.
+ *       See e.g. https://bugs.freedesktop.org/show_bug.cgi?id=14372
+ * Note: A limit on the number of groups we *do* depend on is imposed by
+ * the size of the xkb_layout_mask_t type (32). This is more than enough
+ * though.
+ */
+#define XKB_MAX_GROUPS 4
+
+/* Don't allow more modifiers than we can hold in xkb_mod_mask_t. */
+#define XKB_MAX_MODS ((xkb_mod_index_t) (sizeof(xkb_mod_mask_t) * 8))
+
+/* Don't allow more leds than we can hold in xkb_led_mask_t. */
+#define XKB_MAX_LEDS ((xkb_led_index_t) (sizeof(xkb_led_mask_t) * 8))
+
+/* These should all go away. */
+enum mod_type {
+    MOD_REAL = (1 << 0),
+    MOD_VIRT = (1 << 1),
+    MOD_BOTH = (MOD_REAL | MOD_VIRT),
+};
+#define MOD_REAL_MASK_ALL ((xkb_mod_mask_t) 0x000000ff)
+
+enum xkb_action_type {
+    ACTION_TYPE_NONE = 0,
+    ACTION_TYPE_MOD_SET,
+    ACTION_TYPE_MOD_LATCH,
+    ACTION_TYPE_MOD_LOCK,
+    ACTION_TYPE_GROUP_SET,
+    ACTION_TYPE_GROUP_LATCH,
+    ACTION_TYPE_GROUP_LOCK,
+    ACTION_TYPE_PTR_MOVE,
+    ACTION_TYPE_PTR_BUTTON,
+    ACTION_TYPE_PTR_LOCK,
+    ACTION_TYPE_PTR_DEFAULT,
+    ACTION_TYPE_TERMINATE,
+    ACTION_TYPE_SWITCH_VT,
+    ACTION_TYPE_CTRL_SET,
+    ACTION_TYPE_CTRL_LOCK,
+    ACTION_TYPE_KEY_REDIRECT,
+    ACTION_TYPE_PRIVATE,
+    _ACTION_TYPE_NUM_ENTRIES
+};
+
+enum xkb_action_flags {
+    ACTION_LOCK_CLEAR = (1 << 0),
+    ACTION_LATCH_TO_LOCK = (1 << 1),
+    ACTION_LOCK_NO_LOCK = (1 << 2),
+    ACTION_LOCK_NO_UNLOCK = (1 << 3),
+    ACTION_MODS_LOOKUP_MODMAP = (1 << 4),
+    ACTION_ABSOLUTE_SWITCH = (1 << 5),
+    ACTION_ABSOLUTE_X = (1 << 6),
+    ACTION_ABSOLUTE_Y = (1 << 7),
+    ACTION_NO_ACCEL = (1 << 8),
+    ACTION_SAME_SCREEN = (1 << 9),
+};
+
+enum xkb_action_controls {
+    CONTROL_REPEAT = (1 << 0),
+    CONTROL_SLOW = (1 << 1),
+    CONTROL_DEBOUNCE = (1 << 2),
+    CONTROL_STICKY = (1 << 3),
+    CONTROL_MOUSEKEYS = (1 << 4),
+    CONTROL_MOUSEKEYS_ACCEL = (1 << 5),
+    CONTROL_AX = (1 << 6),
+    CONTROL_AX_TIMEOUT = (1 << 7),
+    CONTROL_AX_FEEDBACK = (1 << 8),
+    CONTROL_BELL = (1 << 9),
+    CONTROL_IGNORE_GROUP_LOCK = (1 << 10),
+    CONTROL_ALL = \
+        (CONTROL_REPEAT | CONTROL_SLOW | CONTROL_DEBOUNCE | CONTROL_STICKY | \
+         CONTROL_MOUSEKEYS | CONTROL_MOUSEKEYS_ACCEL | CONTROL_AX | \
+         CONTROL_AX_TIMEOUT | CONTROL_AX_FEEDBACK | CONTROL_BELL | \
+         CONTROL_IGNORE_GROUP_LOCK)
+};
+
+enum xkb_match_operation {
+    MATCH_NONE,
+    MATCH_ANY_OR_NONE,
+    MATCH_ANY,
+    MATCH_ALL,
+    MATCH_EXACTLY,
+};
+
+struct xkb_mods {
+    xkb_mod_mask_t mods;       /* original real+virtual mods in definition */
+    xkb_mod_mask_t mask;       /* computed effective mask */
+};
+
+struct xkb_mod_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    struct xkb_mods mods;
+};
+
+struct xkb_group_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    int32_t group;
+};
+
+struct xkb_controls_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    enum xkb_action_controls ctrls;
+};
+
+struct xkb_pointer_default_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    int8_t value;
+};
+
+struct xkb_switch_screen_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    int8_t screen;
+};
+
+struct xkb_redirect_key_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    xkb_keycode_t new_kc;
+    uint8_t mods_mask;
+    uint8_t mods;
+    uint16_t vmods_mask;
+    uint16_t vmods;
+};
+
+struct xkb_pointer_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    int16_t x;
+    int16_t y;
+};
+
+struct xkb_pointer_button_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    uint8_t count;
+    int8_t button;
+};
+
+struct xkb_private_action {
+    enum xkb_action_type type;
+    enum xkb_action_flags flags;
+    uint8_t data[7];
+};
+
+union xkb_action {
+    enum xkb_action_type type;
+    struct xkb_mod_action mods;
+    struct xkb_group_action group;
+    struct xkb_controls_action ctrls;
+    struct xkb_pointer_default_action dflt;
+    struct xkb_switch_screen_action screen;
+    struct xkb_redirect_key_action redirect;    /* XXX wholly unnecessary? */
+    struct xkb_pointer_action ptr;
+    struct xkb_pointer_button_action btn;
+    struct xkb_private_action priv;
+};
+
+struct xkb_key_type_entry {
+    xkb_level_index_t level;
+    struct xkb_mods mods;
+    struct xkb_mods preserve;
+};
+
+struct xkb_key_type {
+    xkb_atom_t name;
+    struct xkb_mods mods;
+    xkb_level_index_t num_levels;
+    xkb_atom_t *level_names;
+    unsigned int num_entries;
+    struct xkb_key_type_entry *entries;
+};
+
+struct xkb_sym_interpret {
+    xkb_keysym_t sym;
+    enum xkb_match_operation match;
+    bool level_one_only;
+    xkb_mod_mask_t mods;
+    xkb_mod_index_t virtual_mod;
+    union xkb_action action;
+    bool repeat;
+};
+
+struct xkb_led {
+    xkb_atom_t name;
+    enum xkb_state_component which_groups;
+    xkb_layout_mask_t groups;
+    enum xkb_state_component which_mods;
+    struct xkb_mods mods;
+    enum xkb_action_controls ctrls;
+};
+
+struct xkb_key_alias {
+    xkb_atom_t real;
+    xkb_atom_t alias;
+};
+
+struct xkb_controls {
+    unsigned char groups_wrap;
+    struct xkb_mods internal;
+    struct xkb_mods ignore_lock;
+    unsigned short repeat_delay;
+    unsigned short repeat_interval;
+    unsigned short slow_keys_delay;
+    unsigned short debounce_delay;
+    unsigned short ax_options;
+    unsigned short ax_timeout;
+    unsigned short axt_opts_mask;
+    unsigned short axt_opts_values;
+    unsigned int axt_ctrls_mask;
+    unsigned int axt_ctrls_values;
+};
+
+/* Such an awkward name.  Oh well. */
+enum xkb_range_exceed_type {
+    RANGE_SATURATE,
+    RANGE_WRAP,
+    RANGE_REDIRECT,
+};
+
+enum xkb_explicit_components {
+    EXPLICIT_INTERP = (1 << 0),
+    EXPLICIT_VMODMAP = (1 << 1),
+    EXPLICIT_REPEAT = (1 << 2),
+};
+
+struct xkb_level {
+    union xkb_action action;
+    unsigned int num_syms;
+    union {
+        xkb_keysym_t sym;       /* num_syms == 1 */
+        xkb_keysym_t *syms;     /* num_syms > 1  */
+    } u;
+};
+
+struct xkb_group {
+    bool explicit_type;
+    /* Points to a type in keymap->types. */
+    const struct xkb_key_type *type;
+    /* Use XkbKeyGroupWidth for the number of levels. */
+    struct xkb_level *levels;
+};
+
+struct xkb_key {
+    xkb_keycode_t keycode;
+    xkb_atom_t name;
+
+    enum xkb_explicit_components explicit;
+
+    xkb_mod_mask_t modmap;
+    xkb_mod_mask_t vmodmap;
+
+    bool repeats;
+
+    enum xkb_range_exceed_type out_of_range_group_action;
+    xkb_layout_index_t out_of_range_group_number;
+
+    xkb_layout_index_t num_groups;
+    struct xkb_group *groups;
+};
+
+struct xkb_mod {
+    xkb_atom_t name;
+    enum mod_type type;
+    xkb_mod_mask_t mapping; /* vmod -> real mod mapping */
+};
+
+/* Common keyboard description structure */
+struct xkb_keymap {
+    struct xkb_context *ctx;
+
+    int refcnt;
+    enum xkb_keymap_compile_flags flags;
+    enum xkb_keymap_format format;
+
+    enum xkb_action_controls enabled_ctrls;
+
+    xkb_keycode_t min_key_code;
+    xkb_keycode_t max_key_code;
+    struct xkb_key *keys;
+
+    /* aliases in no particular order */
+    unsigned int num_key_aliases;
+    struct xkb_key_alias *key_aliases;
+
+    struct xkb_key_type *types;
+    unsigned int num_types;
+
+    darray(struct xkb_sym_interpret) sym_interprets;
+
+    darray(struct xkb_mod) mods;
+
+    /* Number of groups in the key with the most groups. */
+    xkb_layout_index_t num_groups;
+    /* Not all groups must have names. */
+    xkb_layout_index_t num_group_names;
+    xkb_atom_t *group_names;
+
+    darray(struct xkb_led) leds;
+
+    char *keycodes_section_name;
+    char *symbols_section_name;
+    char *types_section_name;
+    char *compat_section_name;
+};
+
+#define xkb_foreach_key(iter, keymap) \
+    for (iter = keymap->keys + keymap->min_key_code; \
+         iter <= keymap->keys + keymap->max_key_code; \
+         iter++)
+
+static inline const struct xkb_key *
+XkbKey(struct xkb_keymap *keymap, xkb_keycode_t kc)
+{
+    if (kc < keymap->min_key_code || kc > keymap->max_key_code)
+        return NULL;
+    return &keymap->keys[kc];
+}
+
+static inline xkb_level_index_t
+XkbKeyGroupWidth(const struct xkb_key *key, xkb_layout_index_t layout)
+{
+    return key->groups[layout].type->num_levels;
+}
+
+struct xkb_key *
+XkbKeyByName(struct xkb_keymap *keymap, xkb_atom_t name, bool use_aliases);
+
+xkb_atom_t
+XkbResolveKeyAlias(struct xkb_keymap *keymap, xkb_atom_t name);
+
+xkb_layout_index_t
+wrap_group_into_range(int32_t group,
+                      xkb_layout_index_t num_groups,
+                      enum xkb_range_exceed_type out_of_range_group_action,
+                      xkb_layout_index_t out_of_range_group_number);
+
+struct xkb_keymap_format_ops {
+    bool (*keymap_new_from_names)(struct xkb_keymap *keymap,
+                                  const struct xkb_rule_names *names);
+    bool (*keymap_new_from_string)(struct xkb_keymap *keymap,
+                                   const char *string);
+    bool (*keymap_new_from_buffer)(struct xkb_keymap *keymap,
+                                   const char *buffer, size_t length);
+    bool (*keymap_new_from_file)(struct xkb_keymap *keymap, FILE *file);
+    char *(*keymap_get_as_string)(struct xkb_keymap *keymap);
+};
+
+extern const struct xkb_keymap_format_ops text_v1_keymap_format_ops;
+
+#endif