kc3-lang/libxkbcommon/tools/export-keysyms.c

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• Hash : 955eef14
  Author :
  Date : 2025-03-28T06:30:05
  

  tools: Ensure to honor user locale
  
  This is just good practice, but it is also necessary if we want to
  facilitate the discovery of issues with locales in libxkbcommon.
  

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• tools/export-keysyms.c

• /*
   * Copyright © 2024 Pierre Le Marre
   * SPDX-License-Identifier: MIT
   */
  
  #include "config.h"
  
  #include <locale.h>
  #include <stdio.h>
  #include <stdbool.h>
  #include <stdlib.h>
  #include <string.h>
  #if HAVE_ICU
  #include <unicode/uchar.h>
  #endif
  
  #include "xkbcommon/xkbcommon.h"
  #include "src/keysym.h"
  
  static void
  print_char_name(uint32_t cp)
  {
  #if HAVE_ICU
      char char_name[256];
      UErrorCode pErrorCode = 0;
      int32_t count = u_charName((UChar32)cp, U_CHAR_NAME_ALIAS, char_name,
                                  sizeof(char_name), &pErrorCode);
      if (count <= 0) {
          count = u_charName((UChar32)cp, U_EXTENDED_CHAR_NAME,
                              char_name, sizeof(char_name), &pErrorCode);
      }
      if (count > 0) {
          printf(" %s", char_name);
      }
  #endif
  }
  
  int
  main(int argc, char **argv)
  {
      bool explicit = !(argc > 1 && strcmp("all", argv[1]) == 0);
      int idx = 1 + !explicit;
      bool char_names = argc > idx && strcmp("names", argv[idx]) == 0;
  #if !HAVE_ICU
      if (char_names)
          fprintf(stderr, "ERROR: names argument requires ICU.\n");
  #endif
  
      setlocale(LC_ALL, "");
  
      struct xkb_keysym_iterator *iter = xkb_keysym_iterator_new(explicit);
      while (xkb_keysym_iterator_next(iter)) {
          xkb_keysym_t ks = xkb_keysym_iterator_get_keysym(iter);
          printf("0x%04x:\n", ks);
          char name[XKB_KEYSYM_NAME_MAX_SIZE];
          xkb_keysym_iterator_get_name(iter, name, sizeof(name));
          printf("  name: %s\n", name);
          // char utf8[7];
          // int count = xkb_keysym_to_utf8(ks, utf8, sizeof(utf8));
          uint32_t cp = xkb_keysym_to_utf32(ks);
          if (cp) {
              printf("  code point: 0x%04X", cp);
              if (char_names) {
                  printf(" #");
                  print_char_name(cp);
              }
              printf("\n");
          }
          xkb_keysym_t ks2;
          if ((ks2 = xkb_keysym_to_lower(ks)) != ks) {
              xkb_keysym_get_name(ks2, name, sizeof(name));
              printf("  lower: 0x%04x # %s", ks2, name);
              if (char_names) {
                  cp = xkb_keysym_to_utf32(ks2);
                  print_char_name(cp);
              }
              printf("\n");
          }
          if ((ks2 = xkb_keysym_to_upper(ks)) != ks) {
              xkb_keysym_get_name(ks2, name, sizeof(name));
              printf("  upper: 0x%04x # %s", ks2, name);
              if (char_names) {
                  cp = xkb_keysym_to_utf32(ks2);
                  print_char_name(cp);
              }
              printf("\n");
          }
      };
      xkb_keysym_iterator_unref(iter);
  }
  

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