mutter/src/backends/meta-keymap-utils.c

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
 * Utilities for use with libxkbcommon
 *
 * Copyright 2019 Red Hat, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include "backends/meta-keymap-utils.h"

#include <glib.h>
#include <limits.h>

struct xkb_context *
meta_create_xkb_context (void)
{
  struct xkb_context *ctx;
  char xdg[PATH_MAX] = {0};
  const char *env;

  /*
   * We can only append search paths in libxkbcommon, so we start with an
   * empty set, then add the XDG dir, then add the default search paths.
   */
  ctx = xkb_context_new (XKB_CONTEXT_NO_DEFAULT_INCLUDES);

  env = g_getenv ("XDG_CONFIG_HOME");
  if (env)
    {
      g_snprintf (xdg, sizeof xdg, "%s/xkb", env);
    }
  else if ((env = g_getenv ("HOME")))
    {
      g_snprintf (xdg, sizeof xdg, "%s/.config/xkb", env);
    }

  if (env)
    xkb_context_include_path_append (ctx, xdg);
  xkb_context_include_path_append_default (ctx);

  return ctx;
}