kc3-lang/libxkbcommon/src/keymap-priv.c

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• Hash : fa87cdb8
  Author :
  Date : 2014-02-07T19:39:42
  

  darray: cleanup We have quite diverged from the upstream file, so let's make it at least easier to look at. Remove some unused macros and rename some for consistency. Signed-off-by: Ran Benita <ran234@gmail.com>

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• src/keymap-priv.c

• /**
   * Copyright © 2012 Intel Corporation
   * Copyright © 2012 Ran Benita <ran234@gmail.com>
   *
   * 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>
   */
  
  #include "keymap.h"
  
  static void
  update_builtin_keymap_fields(struct xkb_keymap *keymap)
  {
      struct xkb_context *ctx = keymap->ctx;
      const struct xkb_mod builtin_mods[] = {
          { .name = xkb_atom_intern_literal(ctx, "Shift"),   .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Lock"),    .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Control"), .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Mod1"),    .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Mod2"),    .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Mod3"),    .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Mod4"),    .type = MOD_REAL },
          { .name = xkb_atom_intern_literal(ctx, "Mod5"),    .type = MOD_REAL },
      };
  
      /*
       * Add predefined (AKA real, core, X11) modifiers.
       * The order is important!
       */
      darray_append_items(keymap->mods, builtin_mods, ARRAY_SIZE(builtin_mods));
  }
  
  struct xkb_keymap *
  xkb_keymap_new(struct xkb_context *ctx,
                 enum xkb_keymap_format format,
                 enum xkb_keymap_compile_flags flags)
  {
      struct xkb_keymap *keymap;
  
      keymap = calloc(1, sizeof(*keymap));
      if (!keymap)
          return NULL;
  
      keymap->refcnt = 1;
      keymap->ctx = xkb_context_ref(ctx);
  
      keymap->format = format;
      keymap->flags = flags;
  
      update_builtin_keymap_fields(keymap);
  
      return keymap;
  }
  
  struct xkb_key *
  XkbKeyByName(struct xkb_keymap *keymap, xkb_atom_t name, bool use_aliases)
  {
      struct xkb_key *key;
  
      xkb_foreach_key(key, keymap)
          if (key->name == name)
              return key;
  
      if (use_aliases) {
          xkb_atom_t new_name = XkbResolveKeyAlias(keymap, name);
          if (new_name != XKB_ATOM_NONE)
              return XkbKeyByName(keymap, new_name, false);
      }
  
      return NULL;
  }
  
  xkb_atom_t
  XkbResolveKeyAlias(struct xkb_keymap *keymap, xkb_atom_t name)
  {
      for (unsigned i = 0; i < keymap->num_key_aliases; i++)
          if (keymap->key_aliases[i].alias == name)
              return keymap->key_aliases[i].real;
  
      return XKB_ATOM_NONE;
  }
  
  void
  XkbEscapeMapName(char *name)
  {
      /*
       * All latin-1 alphanumerics, plus parens, slash, minus, underscore and
       * wildcards.
       */
      static const unsigned char legal[] = {
          0x00, 0x00, 0x00, 0x00, 0x00, 0xa7, 0xff, 0x83,
          0xfe, 0xff, 0xff, 0x87, 0xfe, 0xff, 0xff, 0x07,
          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
          0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0x7f, 0xff
      };
  
      if (!name)
          return;
  
      while (*name) {
          if (!(legal[*name / 8] & (1 << (*name % 8))))
              *name = '_';
          name++;
      }
  }
  

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