include/wx/intl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        intl.h
   3 // Purpose:     Internationalization and localisation for wxWindows
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef   __INTLH__
  13 #define   __INTLH__
  14
  15 #ifdef __GNUG__
  16     #pragma interface "intl.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/string.h"
  21
  22 #if wxUSE_INTL
  23
  24 // ============================================================================
  25 // global decls
  26 // ============================================================================
  27
  28 // ----------------------------------------------------------------------------
  29 // macros
  30 // ----------------------------------------------------------------------------
  31
  32 // gettext() style macro (notice that xgettext should be invoked with "-k_"
  33 // option to extract the strings inside _() from the sources)
  34 #ifndef WXINTL_NO_GETTEXT_MACRO
  35     #define   _(str)  wxGetTranslation(_T(str))
  36 #endif
  37
  38 // another one which just marks the strings for extraction, but doesn't
  39 // perform the translation (use -kwxTRANSLATE with xgettext!)
  40 #define wxTRANSLATE(str) _T(str)
  41
  42 // ----------------------------------------------------------------------------
  43 // forward decls
  44 // ----------------------------------------------------------------------------
  45 class WXDLLEXPORT wxLocale;
  46 class WXDLLEXPORT wxMsgCatalog;
  47 class WXDLLEXPORT wxLanguageInfoArray;
  48
  49 // ============================================================================
  50 // locale support
  51 // ============================================================================
  52
  53
  54 // ----------------------------------------------------------------------------
  55 // wxLanguage: defines all supported languages
  56 // ----------------------------------------------------------------------------
  57
  58
  59 // This enum is generated by misc/languages/genlang.py
  60 // When making changes, please put them into misc/languages/langtabl.txt
  61 enum wxLanguage
  62 {
  63     // user's default/preffered language as got from OS:
  64     wxLANGUAGE_DEFAULT,
  65     // unknown language, if wxLocale::GetSystemLanguage fails:
  66     wxLANGUAGE_UNKNOWN,
  67
  68     wxLANGUAGE_ABKHAZIAN,
  69     wxLANGUAGE_AFAR,
  70     wxLANGUAGE_AFRIKAANS,
  71     wxLANGUAGE_ALBANIAN,
  72     wxLANGUAGE_AMHARIC,
  73     wxLANGUAGE_ARABIC,
  74     wxLANGUAGE_ARABIC_ALGERIA,
  75     wxLANGUAGE_ARABIC_BAHRAIN,
  76     wxLANGUAGE_ARABIC_EGYPT,
  77     wxLANGUAGE_ARABIC_IRAQ,
  78     wxLANGUAGE_ARABIC_JORDAN,
  79     wxLANGUAGE_ARABIC_KUWAIT,
  80     wxLANGUAGE_ARABIC_LEBANON,
  81     wxLANGUAGE_ARABIC_LIBYA,
  82     wxLANGUAGE_ARABIC_MOROCCO,
  83     wxLANGUAGE_ARABIC_OMAN,
  84     wxLANGUAGE_ARABIC_QATAR,
  85     wxLANGUAGE_ARABIC_SAUDI_ARABIA,
  86     wxLANGUAGE_ARABIC_SUDAN,
  87     wxLANGUAGE_ARABIC_SYRIA,
  88     wxLANGUAGE_ARABIC_TUNISIA,
  89     wxLANGUAGE_ARABIC_UAE,
  90     wxLANGUAGE_ARABIC_YEMEN,
  91     wxLANGUAGE_ARMENIAN,
  92     wxLANGUAGE_ASSAMESE,
  93     wxLANGUAGE_AYMARA,
  94     wxLANGUAGE_AZERI,
  95     wxLANGUAGE_AZERI_CYRILLIC,
  96     wxLANGUAGE_AZERI_LATIN,
  97     wxLANGUAGE_BASHKIR,
  98     wxLANGUAGE_BASQUE,
  99     wxLANGUAGE_BELARUSIAN,
 100     wxLANGUAGE_BENGALI,
 101     wxLANGUAGE_BHUTANI,
 102     wxLANGUAGE_BIHARI,
 103     wxLANGUAGE_BISLAMA,
 104     wxLANGUAGE_BRETON,
 105     wxLANGUAGE_BULGARIAN,
 106     wxLANGUAGE_BURMESE,
 107     wxLANGUAGE_CAMBODIAN,
 108     wxLANGUAGE_CATALAN,
 109     wxLANGUAGE_CHINESE,
 110     wxLANGUAGE_CHINESE_SIMPLIFIED,
 111     wxLANGUAGE_CHINESE_TRADITIONAL,
 112     wxLANGUAGE_CHINESE_HONGKONG,
 113     wxLANGUAGE_CHINESE_MACAU,
 114     wxLANGUAGE_CHINESE_SINGAPORE,
 115     wxLANGUAGE_CHINESE_TAIWAN,
 116     wxLANGUAGE_CORSICAN,
 117     wxLANGUAGE_CROATIAN,
 118     wxLANGUAGE_CZECH,
 119     wxLANGUAGE_DANISH,
 120     wxLANGUAGE_DUTCH,
 121     wxLANGUAGE_DUTCH_BELGIAN,
 122     wxLANGUAGE_ENGLISH,
 123     wxLANGUAGE_ENGLISH_UK,
 124     wxLANGUAGE_ENGLISH_US,
 125     wxLANGUAGE_ENGLISH_AUSTRALIA,
 126     wxLANGUAGE_ENGLISH_BELIZE,
 127     wxLANGUAGE_ENGLISH_BOTSWANA,
 128     wxLANGUAGE_ENGLISH_CANADA,
 129     wxLANGUAGE_ENGLISH_CARIBBEAN,
 130     wxLANGUAGE_ENGLISH_DENMARK,
 131     wxLANGUAGE_ENGLISH_EIRE,
 132     wxLANGUAGE_ENGLISH_JAMAICA,
 133     wxLANGUAGE_ENGLISH_NEW_ZEALAND,
 134     wxLANGUAGE_ENGLISH_PHILIPPINES,
 135     wxLANGUAGE_ENGLISH_SOUTH_AFRICA,
 136     wxLANGUAGE_ENGLISH_TRINIDAD,
 137     wxLANGUAGE_ENGLISH_ZIMBABWE,
 138     wxLANGUAGE_ESPERANTO,
 139     wxLANGUAGE_ESTONIAN,
 140     wxLANGUAGE_FAEROESE,
 141     wxLANGUAGE_FARSI,
 142     wxLANGUAGE_FIJI,
 143     wxLANGUAGE_FINNISH,
 144     wxLANGUAGE_FRENCH,
 145     wxLANGUAGE_FRENCH_BELGIAN,
 146     wxLANGUAGE_FRENCH_CANADIAN,
 147     wxLANGUAGE_FRENCH_LUXEMBOURG,
 148     wxLANGUAGE_FRENCH_MONACO,
 149     wxLANGUAGE_FRENCH_SWISS,
 150     wxLANGUAGE_FRISIAN,
 151     wxLANGUAGE_GALICIAN,
 152     wxLANGUAGE_GEORGIAN,
 153     wxLANGUAGE_GERMAN,
 154     wxLANGUAGE_GERMAN_AUSTRIAN,
 155     wxLANGUAGE_GERMAN_BELGIUM,
 156     wxLANGUAGE_GERMAN_LIECHTENSTEIN,
 157     wxLANGUAGE_GERMAN_LUXEMBOURG,
 158     wxLANGUAGE_GERMAN_SWISS,
 159     wxLANGUAGE_GREEK,
 160     wxLANGUAGE_GREENLANDIC,
 161     wxLANGUAGE_GUARANI,
 162     wxLANGUAGE_GUJARATI,
 163     wxLANGUAGE_HAUSA,
 164     wxLANGUAGE_HEBREW,
 165     wxLANGUAGE_HINDI,
 166     wxLANGUAGE_HUNGARIAN,
 167     wxLANGUAGE_ICELANDIC,
 168     wxLANGUAGE_INDONESIAN,
 169     wxLANGUAGE_INTERLINGUA,
 170     wxLANGUAGE_INTERLINGUE,
 171     wxLANGUAGE_INUKTITUT,
 172     wxLANGUAGE_INUPIAK,
 173     wxLANGUAGE_IRISH,
 174     wxLANGUAGE_ITALIAN,
 175     wxLANGUAGE_ITALIAN_SWISS,
 176     wxLANGUAGE_JAPANESE,
 177     wxLANGUAGE_JAVANESE,
 178     wxLANGUAGE_KANNADA,
 179     wxLANGUAGE_KASHMIRI,
 180     wxLANGUAGE_KASHMIRI_INDIA,
 181     wxLANGUAGE_KAZAKH,
 182     wxLANGUAGE_KERNEWEK,
 183     wxLANGUAGE_KINYARWANDA,
 184     wxLANGUAGE_KIRGHIZ,
 185     wxLANGUAGE_KIRUNDI,
 186     wxLANGUAGE_KONKANI,
 187     wxLANGUAGE_KOREAN,
 188     wxLANGUAGE_KURDISH,
 189     wxLANGUAGE_LAOTHIAN,
 190     wxLANGUAGE_LATIN,
 191     wxLANGUAGE_LATVIAN,
 192     wxLANGUAGE_LINGALA,
 193     wxLANGUAGE_LITHUANIAN,
 194     wxLANGUAGE_MACEDONIAN,
 195     wxLANGUAGE_MALAGASY,
 196     wxLANGUAGE_MALAY,
 197     wxLANGUAGE_MALAYALAM,
 198     wxLANGUAGE_MALAY_BRUNEI_DARUSSALAM,
 199     wxLANGUAGE_MALAY_MALAYSIA,
 200     wxLANGUAGE_MALTESE,
 201     wxLANGUAGE_MANIPURI,
 202     wxLANGUAGE_MAORI,
 203     wxLANGUAGE_MARATHI,
 204     wxLANGUAGE_MOLDAVIAN,
 205     wxLANGUAGE_MONGOLIAN,
 206     wxLANGUAGE_NAURU,
 207     wxLANGUAGE_NEPALI,
 208     wxLANGUAGE_NEPALI_INDIA,
 209     wxLANGUAGE_NORWEGIAN_BOKMAL,
 210     wxLANGUAGE_NORWEGIAN_NYNORSK,
 211     wxLANGUAGE_OCCITAN,
 212     wxLANGUAGE_ORIYA,
 213     wxLANGUAGE_OROMO,
 214     wxLANGUAGE_PASHTO,
 215     wxLANGUAGE_POLISH,
 216     wxLANGUAGE_PORTUGUESE,
 217     wxLANGUAGE_PORTUGUESE_BRAZILIAN,
 218     wxLANGUAGE_PUNJABI,
 219     wxLANGUAGE_QUECHUA,
 220     wxLANGUAGE_RHAETO_ROMANCE,
 221     wxLANGUAGE_ROMANIAN,
 222     wxLANGUAGE_RUSSIAN,
 223     wxLANGUAGE_RUSSIAN_UKRAINE,
 224     wxLANGUAGE_SAMOAN,
 225     wxLANGUAGE_SANGHO,
 226     wxLANGUAGE_SANSKRIT,
 227     wxLANGUAGE_SCOTS_GAELIC,
 228     wxLANGUAGE_SERBIAN,
 229     wxLANGUAGE_SERBIAN_CYRILLIC,
 230     wxLANGUAGE_SERBIAN_LATIN,
 231     wxLANGUAGE_SERBO_CROATIAN,
 232     wxLANGUAGE_SESOTHO,
 233     wxLANGUAGE_SETSWANA,
 234     wxLANGUAGE_SHONA,
 235     wxLANGUAGE_SINDHI,
 236     wxLANGUAGE_SINHALESE,
 237     wxLANGUAGE_SISWATI,
 238     wxLANGUAGE_SLOVAK,
 239     wxLANGUAGE_SLOVENIAN,
 240     wxLANGUAGE_SOMALI,
 241     wxLANGUAGE_SPANISH,
 242     wxLANGUAGE_SPANISH_ARGENTINA,
 243     wxLANGUAGE_SPANISH_BOLIVIA,
 244     wxLANGUAGE_SPANISH_CHILE,
 245     wxLANGUAGE_SPANISH_COLOMBIA,
 246     wxLANGUAGE_SPANISH_COSTA_RICA,
 247     wxLANGUAGE_SPANISH_DOMINICAN_REPUBLIC,
 248     wxLANGUAGE_SPANISH_ECUADOR,
 249     wxLANGUAGE_SPANISH_EL_SALVADOR,
 250     wxLANGUAGE_SPANISH_GUATEMALA,
 251     wxLANGUAGE_SPANISH_HONDURAS,
 252     wxLANGUAGE_SPANISH_MEXICAN,
 253     wxLANGUAGE_SPANISH_MODERN,
 254     wxLANGUAGE_SPANISH_NICARAGUA,
 255     wxLANGUAGE_SPANISH_PANAMA,
 256     wxLANGUAGE_SPANISH_PARAGUAY,
 257     wxLANGUAGE_SPANISH_PERU,
 258     wxLANGUAGE_SPANISH_PUERTO_RICO,
 259     wxLANGUAGE_SPANISH_URUGUAY,
 260     wxLANGUAGE_SPANISH_US,
 261     wxLANGUAGE_SPANISH_VENEZUELA,
 262     wxLANGUAGE_SUNDANESE,
 263     wxLANGUAGE_SWAHILI,
 264     wxLANGUAGE_SWEDISH,
 265     wxLANGUAGE_SWEDISH_FINLAND,
 266     wxLANGUAGE_TAGALOG,
 267     wxLANGUAGE_TAJIK,
 268     wxLANGUAGE_TAMIL,
 269     wxLANGUAGE_TATAR,
 270     wxLANGUAGE_TELUGU,
 271     wxLANGUAGE_THAI,
 272     wxLANGUAGE_TIBETAN,
 273     wxLANGUAGE_TIGRINYA,
 274     wxLANGUAGE_TONGA,
 275     wxLANGUAGE_TSONGA,
 276     wxLANGUAGE_TURKISH,
 277     wxLANGUAGE_TURKMEN,
 278     wxLANGUAGE_TWI,
 279     wxLANGUAGE_UIGHUR,
 280     wxLANGUAGE_UKRAINIAN,
 281     wxLANGUAGE_URDU,
 282     wxLANGUAGE_URDU_INDIA,
 283     wxLANGUAGE_URDU_PAKISTAN,
 284     wxLANGUAGE_UZBEK,
 285     wxLANGUAGE_UZBEK_CYRILLIC,
 286     wxLANGUAGE_UZBEK_LATIN,
 287     wxLANGUAGE_VIETNAMESE,
 288     wxLANGUAGE_VOLAPUK,
 289     wxLANGUAGE_WELSH,
 290     wxLANGUAGE_WOLOF,
 291     wxLANGUAGE_XHOSA,
 292     wxLANGUAGE_YIDDISH,
 293     wxLANGUAGE_YORUBA,
 294     wxLANGUAGE_ZHUANG,
 295     wxLANGUAGE_ZULU,
 296
 297     // for custom, user-defined languages:
 298     wxLANGUAGE_USER_DEFINED
 299 };
 300
 301 // ----------------------------------------------------------------------------
 302 // wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
 303 //                 translation information
 304 // ----------------------------------------------------------------------------
 305
 306 struct WXDLLEXPORT wxLanguageInfo
 307 {
 308     int Language;                   // wxLanguage id
 309     wxString CanonicalName;         // Canonical name, e.g. fr_FR
 310 #ifdef __WIN32__
 311     wxUint32 WinLang, WinSublang;   // Win32 language identifiers
 312 #endif
 313     wxString Description;           // human-readable name of the language
 314 };
 315
 316
 317
 318
 319 // ----------------------------------------------------------------------------
 320 // wxLocale: encapsulates all language dependent settings, including current
 321 //           message catalogs, date, time and currency formats (TODO) &c
 322 // ----------------------------------------------------------------------------
 323
 324 enum wxLocaleInitFlags
 325 {
 326     wxLOCALE_LOAD_DEFAULT  = 0x0001,     // load wxwin.mo?
 327     wxLOCALE_CONV_ENCODING = 0x0002      // convert encoding on the fly?
 328 };
 329
 330
 331 class WXDLLEXPORT wxLocale
 332 {
 333 public:
 334     // ctor & dtor
 335     // -----------
 336
 337         // call Init() if you use this ctor
 338     wxLocale();
 339         // the ctor has a side effect of changing current locale
 340     wxLocale(const wxChar *szName,                               // name (for messages)
 341              const wxChar *szShort = (const wxChar *) NULL,      // dir prefix (for msg files)
 342              const wxChar *szLocale = (const wxChar *) NULL,     // locale (for setlocale)
 343              bool bLoadDefault = TRUE,                           // preload wxstd.mo?
 344              bool bConvertEncoding = FALSE)                      // convert Win<->Unix if neccessary?
 345         {
 346             m_languagesDB = NULL;
 347             Init(szName, szShort, szLocale, bLoadDefault, bConvertEncoding);
 348         }
 349
 350     wxLocale(int language,    // wxLanguage identifier
 351              int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING)
 352         { Init(language, flags); }
 353
 354         // the same as a function (returns TRUE on success)
 355     bool Init(const wxChar *szName,
 356               const wxChar *szShort = (const wxChar *) NULL,
 357               const wxChar *szLocale = (const wxChar *) NULL,
 358               bool bLoadDefault = TRUE,
 359               bool bConvertEncoding = FALSE);
 360
 361     bool Init(int language = wxLANGUAGE_DEFAULT,
 362               int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
 363         // restores old locale
 364     ~wxLocale();
 365
 366     // Try to get user's (or OS's) prefered language setting.
 367     // Return wxLanguage value or wxLANGUAGE_UNKNOWN if language-guessing
 368     // algorithm failed
 369     int GetSystemLanguage() const;
 370
 371     // return TRUE if the locale was set successfully
 372     bool IsOk() const { return m_pszOldLocale != NULL; }
 373
 374     // returns locale name
 375     const wxChar *GetLocale() const { return m_strLocale; }
 376
 377     // return current locale wxLanguage value
 378     int GetLanguage() const { return m_language; }
 379
 380     // return locale name to be passed to setlocale()
 381     wxString GetSysName() const;
 382
 383     // return 'canonical' name, i.e. in the form of xx[_YY], where xx is
 384     // language code according to ISO 639 and YY is country name
 385     // as specified by ISO 3166.
 386     wxString GetCanonicalName() const { return m_strShort; }
 387
 388     // add a prefix to the catalog lookup path: the message catalog files will be
 389     // looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
 390     // (in this order).
 391     //
 392     // This only applies to subsequent invocations of AddCatalog()!
 393     static void AddCatalogLookupPathPrefix(const wxString& prefix);
 394
 395     // add a catalog: it's searched for in standard places (current directory
 396     // first, system one after), but the you may prepend additional directories to
 397     // the search path with AddCatalogLookupPathPrefix().
 398     //
 399     // The loaded catalog will be used for message lookup by GetString().
 400     //
 401     // Returns 'true' if it was successfully loaded
 402     bool AddCatalog(const wxChar *szDomain);
 403
 404     // check if the given catalog is loaded
 405     bool IsLoaded(const wxChar *szDomain) const;
 406
 407     // Add custom language to the list of known languages.
 408     // Notes: 1) wxLanguageInfo contains platform-specific data
 409     //        2) must be called before Init to have effect
 410     void AddLanguage(const wxLanguageInfo& info);
 411
 412     // retrieve the translation for a string in all loaded domains unless
 413     // the szDomain parameter is specified (and then only this domain is
 414     // searched)
 415     //
 416     // return original string if translation is not available
 417     // (in this case an error message is generated the first time
 418     //  a string is not found; use wxLogNull to suppress it)
 419     //
 420     // domains are searched in the last to first order, i.e. catalogs
 421     // added later override those added before.
 422     const wxMB2WXbuf GetString(const wxChar *szOrigString,
 423                                const wxChar *szDomain = (const wxChar *) NULL) const;
 424
 425     // Returns the current short name for the locale
 426     const wxString& GetName() const { return m_strShort; }
 427
 428 private:
 429     // find catalog by name in a linked list, return NULL if !found
 430     wxMsgCatalog  *FindCatalog(const wxChar *szDomain) const;
 431
 432     // copy default table of languages from global static array to
 433     // m_langugagesInfo
 434     void InitLanguagesDB();
 435
 436     wxString       m_strLocale,       // this locale name
 437                    m_strShort;        // short name for the locale
 438     int            m_language;        // this locale wxLanguage value
 439
 440     const wxChar  *m_pszOldLocale;    // previous locale from setlocale()
 441     wxLocale      *m_pOldLocale;      // previous wxLocale
 442
 443     wxMsgCatalog  *m_pMsgCat;         // pointer to linked list of catalogs
 444
 445     bool           m_bConvertEncoding;
 446
 447     wxLanguageInfoArray *m_languagesDB;
 448 };
 449
 450 // ----------------------------------------------------------------------------
 451 // global functions
 452 // ----------------------------------------------------------------------------
 453
 454 // get the current locale object (note that it may be NULL!)
 455 extern WXDLLEXPORT wxLocale* wxGetLocale();
 456
 457 // get the translation of the string in the current locale
 458 inline const wxMB2WXbuf wxGetTranslation(const wxChar *sz)
 459 {
 460     wxLocale *pLoc = wxGetLocale();
 461     if (pLoc)
 462         return pLoc->GetString(sz);
 463     else
 464         return (const wxMB2WXbuf)sz;
 465 }
 466
 467 #else // !wxUSE_INTL
 468
 469 // the macros should still be defined - otherwise compilation would fail
 470
 471 #if !defined(WXINTL_NO_GETTEXT_MACRO) && !defined(_)
 472     #define   _(str)  (str)
 473 #endif
 474
 475 #define wxTRANSLATE(str) _T(str)
 476
 477 inline const wxChar *wxGetTranslation(const wxChar *sz) { return sz; }
 478
 479 #endif // wxUSE_INTL/!wxUSE_INTL
 480
 481 // define this one just in case it occurs somewhere (instead of preferred
 482 // wxTRANSLATE) too
 483 #if !defined(WXINTL_NO_GETTEXT_MACRO) && !defined(gettext_noop)
 484     #define gettext_noop(str) _T(str)
 485 #endif
 486
 487 #endif
 488     // _WX_INTLH__