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, 124 insertions, 0 deletions

diff --git a/src/3rdparty/xkbcommon/src/context.h b/src/3rdparty/xkbcommon/src/context.h
new file mode 100644
index 0000000000..7c061a086f
--- /dev/null
+++ b/src/3rdparty/xkbcommon/src/context.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * 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 CONTEXT_H
+#define CONTEXT_H
+
+#include "atom.h"
+
+unsigned int
+xkb_context_num_failed_include_paths(struct xkb_context *ctx);
+
+const char *
+xkb_context_failed_include_path_get(struct xkb_context *ctx,
+                                    unsigned int idx);
+
+/*
+ * Returns XKB_ATOM_NONE if @string was not previously interned,
+ * otherwise returns the atom.
+ */
+xkb_atom_t
+xkb_atom_lookup(struct xkb_context *ctx, const char *string);
+
+xkb_atom_t
+xkb_atom_intern(struct xkb_context *ctx, const char *string);
+
+/**
+ * If @string is dynamically allocated, free'd immediately after
+ * being interned, and not used afterwards, use this function
+ * instead of xkb_atom_intern to avoid some unnecessary allocations.
+ * The caller should not use or free the passed in string afterwards.
+ */
+xkb_atom_t
+xkb_atom_steal(struct xkb_context *ctx, char *string);
+
+char *
+xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom);
+
+const char *
+xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom);
+
+char *
+xkb_context_get_buffer(struct xkb_context *ctx, size_t size);
+
+ATTR_PRINTF(3, 4) void
+xkb_log(struct xkb_context *ctx, enum xkb_log_level level,
+        const char *fmt, ...);
+
+#define xkb_log_cond_level(ctx, level, ...) do { \
+    if (xkb_context_get_log_level(ctx) >= (level)) \
+    xkb_log((ctx), (level), __VA_ARGS__); \
+} while (0)
+
+#define xkb_log_cond_verbosity(ctx, level, vrb, ...) do { \
+    if (xkb_context_get_log_verbosity(ctx) >= (vrb)) \
+    xkb_log_cond_level((ctx), (level), __VA_ARGS__); \
+} while (0)
+
+const char *
+xkb_context_get_default_rules(struct xkb_context *ctx);
+
+const char *
+xkb_context_get_default_model(struct xkb_context *ctx);
+
+const char *
+xkb_context_get_default_layout(struct xkb_context *ctx);
+
+const char *
+xkb_context_get_default_variant(struct xkb_context *ctx);
+
+const char *
+xkb_context_get_default_options(struct xkb_context *ctx);
+
+/*
+ * The format is not part of the argument list in order to avoid the
+ * "ISO C99 requires rest arguments to be used" warning when only the
+ * format is supplied without arguments. Not supplying it would still
+ * result in an error, though.
+ */
+#define log_dbg(ctx, ...) \
+    xkb_log_cond_level((ctx), XKB_LOG_LEVEL_DEBUG, __VA_ARGS__)
+#define log_info(ctx, ...) \
+    xkb_log_cond_level((ctx), XKB_LOG_LEVEL_INFO, __VA_ARGS__)
+#define log_warn(ctx, ...) \
+    xkb_log_cond_level((ctx), XKB_LOG_LEVEL_WARNING, __VA_ARGS__)
+#define log_err(ctx, ...) \
+    xkb_log_cond_level((ctx), XKB_LOG_LEVEL_ERROR, __VA_ARGS__)
+#define log_wsgo(ctx, ...) \
+    xkb_log_cond_level((ctx), XKB_LOG_LEVEL_CRITICAL, __VA_ARGS__)
+#define log_vrb(ctx, vrb, ...) \
+    xkb_log_cond_verbosity((ctx), XKB_LOG_LEVEL_WARNING, (vrb), __VA_ARGS__)
+
+/*
+ * Variants which are prefixed by the name of the function they're
+ * called from.
+ * Here we must have the silly 1 variant.
+ */
+#define log_err_func(ctx, fmt, ...) \
+    log_err(ctx, "%s: " fmt, __func__, __VA_ARGS__)
+#define log_err_func1(ctx, fmt) \
+    log_err(ctx, "%s: " fmt, __func__)
+
+#endif