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   License:   wxWindows License

.. include:: headings.inc



.. _wx.Locale:

==========================================================================================================================================
|phoenix_title|  **wx.Locale**
==========================================================================================================================================

:ref:`wx.Locale`  class encapsulates all language-dependent settings and is a generalization of the C locale concept.          


In wxWidgets this class manages current locale. It also initializes and activates  :ref:`wx.Translations`  object that manages message catalogs. 

For a list of the supported languages, please see :ref:`wx.Language`  enum values. These constants may be used to specify the language in :meth:`wx.Locale.Init`   and are returned by :meth:`wx.Locale.GetSystemLanguage` . 





|

|class_hierarchy| Class Hierarchy
=================================

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   Inheritance diagram for class <strong>Locale</strong>:
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   <center><img src="_static/images/inheritance/wx.Locale_inheritance.png" alt="Inheritance diagram of Locale" usemap="#dummy" class="inheritance"/></center>
   <script type="text/javascript">toggleVisibilityOnLoad(document.getElementById('toggleBlock'))</script>
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|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~wx.Locale.__init__`                                                      This is the default constructor and it does nothing to initialize the object: :meth:`~Locale.Init`   must be used to do that.
:meth:`~wx.Locale.AddCatalog`                                                    Calls `Translations.AddCatalog(const` String&).
:meth:`~wx.Locale.AddCatalogLookupPathPrefix`                                    Calls :meth:`wx.FileTranslationsLoader.AddCatalogLookupPathPrefix` .
:meth:`~wx.Locale.AddLanguage`                                                   Adds custom, user-defined language to the database of known languages.
:meth:`~wx.Locale.FindLanguageInfo`                                              This function may be used to find the language description structure for the given locale, specified either as a two letter ``ISO`` language code (for example, "pt"), a language code followed by the country code ("pt_BR") or a full, human readable, language description ("Portuguese_Brazil").
:meth:`~wx.Locale.GetCanonicalName`                                              Returns the canonical form of current locale name.
:meth:`~wx.Locale.GetHeaderValue`                                                Calls :meth:`wx.Translations.GetHeaderValue` .
:meth:`~wx.Locale.GetInfo`                                                       Get the values of the given locale-dependent datum.
:meth:`~wx.Locale.GetLanguage`                                                   Returns the :ref:`wx.Language`  constant of current language.
:meth:`~wx.Locale.GetLanguageCanonicalName`                                      Returns canonical name (see :meth:`~Locale.GetCanonicalName` ) of the given language or empty string if this language is unknown.
:meth:`~wx.Locale.GetLanguageInfo`                                               Returns a pointer to :ref:`wx.LanguageInfo`  structure containing information about the given language or ``None`` if this language is unknown.
:meth:`~wx.Locale.GetLanguageName`                                               Returns English name of the given language or empty string if this language is unknown.
:meth:`~wx.Locale.GetLocale`                                                     Returns the locale name as passed to the constructor or :meth:`~Locale.Init` .
:meth:`~wx.Locale.GetName`                                                       Returns the current short name for the locale (as given to the constructor or the :meth:`~Locale.Init`   function).
:meth:`~wx.Locale.GetOSInfo`                                                     Get the values of a locale datum in the OS locale.
:meth:`~wx.Locale.GetString`                                                     Calls GetTranslation(const String&,  String&).
:meth:`~wx.Locale.GetSysName`                                                    Returns current platform-specific locale name as passed to setlocale().
:meth:`~wx.Locale.GetSystemEncoding`                                             Tries to detect the user's default font encoding.
:meth:`~wx.Locale.GetSystemEncodingName`                                         Tries to detect the name of the user's default font encoding.
:meth:`~wx.Locale.GetSystemLanguage`                                             Tries to detect the user's default locale setting.
:meth:`~wx.Locale.Init`                                                          Initializes the :ref:`wx.Locale`  instance.
:meth:`~wx.Locale.IsAvailable`                                                   Check whether the operating system and/or C run time environment supports this locale.
:meth:`~wx.Locale.IsLoaded`                                                      Calls :meth:`wx.Translations.IsLoaded` .
:meth:`~wx.Locale.IsOk`                                                          Returns ``True`` if the locale could be set successfully.
:meth:`~wx.Locale.__bool__`                                                      
:meth:`~wx.Locale.__nonzero__`                                                   
================================================================================ ================================================================================


|


|property_summary| Properties Summary
=====================================

================================================================================ ================================================================================
:attr:`~wx.Locale.CanonicalName`                                                 See :meth:`~wx.Locale.GetCanonicalName`
:attr:`~wx.Locale.Language`                                                      See :meth:`~wx.Locale.GetLanguage`
:attr:`~wx.Locale.Locale`                                                        See :meth:`~wx.Locale.GetLocale`
:attr:`~wx.Locale.Name`                                                          See :meth:`~wx.Locale.GetName`
:attr:`~wx.Locale.SysName`                                                       See :meth:`~wx.Locale.GetSysName`
================================================================================ ================================================================================


|


|api| Class API
===============


.. class:: wx.Locale(object)

   **Possible constructors**::

       Locale()
       
       Locale(language, flags=LOCALE_LOAD_DEFAULT)
       
       Locale(name, shortName=EmptyString, locale=EmptyString,
              bLoadDefault=True)
       
   
   Locale class encapsulates all language-dependent settings and is a
   generalization of the C locale concept.



   .. method:: __init__(self, *args, **kw)



      |overload| Overloaded Implementations:

      :html:`<hr class="overloadsep" /><br />`

      
      **__init__** `(self)`
      
      This is the default constructor and it does nothing to initialize the object: :meth:`Init`   must be used to do that.                   
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **__init__** `(self, language, flags=LOCALE_LOAD_DEFAULT)`
      
      See :meth:`Init`   for parameters description.                  
      
      
      :param `language`: 
      :type `language`: int
      :param `flags`: 
      :type `flags`: int
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **__init__** `(self, name, shortName=EmptyString, locale=EmptyString, bLoadDefault=True)`
      
      See :meth:`Init`   for parameters description.                  
      
      The call of this function has several global side effects which you should understand: first of all, the application locale is changed - note that this will affect many of standard C library functions such as printf() or strftime(). Second, this :ref:`wx.Locale`  object becomes the new current global locale for the application and so all subsequent calls to :ref:`wx.GetTranslation`  will try to translate the messages using the message catalogs for this locale.                  
      
      
      :param `name`: 
      :type `name`: string
      :param `shortName`: 
      :type `shortName`: string
      :param `locale`: 
      :type `locale`: string
      :param `bLoadDefault`: 
      :type `bLoadDefault`: bool
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`






   .. method:: AddCatalog(self, *args, **kw)



      |overload| Overloaded Implementations:

      :html:`<hr class="overloadsep" /><br />`

      
      **AddCatalog** `(self, domain)`
      
      Calls `Translations.AddCatalog(const` String&).                  
      
      
      :param `domain`: 
      :type `domain`: string
      
      
      
      
      :rtype: `bool`
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **AddCatalog** `(self, domain, msgIdLanguage)`
      
      Calls :meth:`wx.Translations.AddCatalog` .                  
      
      
      :param `domain`: 
      :type `domain`: string
      :param `msgIdLanguage`: 
      :type `msgIdLanguage`: wx.Language
      
      
      
      
      :rtype: `bool`
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **AddCatalog** `(self, domain, msgIdLanguage, msgIdCharset)`
      
      Calls :meth:`wx.Translations.AddCatalog` .                  
      
      
      :param `domain`: 
      :type `domain`: string
      :param `msgIdLanguage`: 
      :type `msgIdLanguage`: wx.Language
      :param `msgIdCharset`: 
      :type `msgIdCharset`: string
      
      
      
      
      :rtype: `bool`
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`






   .. staticmethod:: AddCatalogLookupPathPrefix(prefix)

      Calls :meth:`wx.FileTranslationsLoader.AddCatalogLookupPathPrefix` .                  


      :param `prefix`: 
      :type `prefix`: string







   .. staticmethod:: AddLanguage(info)

      Adds custom, user-defined language to the database of known languages.                  

      This database is used in conjunction with the first form of :meth:`Init` .                  


      :param `info`: 
      :type `info`: wx.LanguageInfo







   .. staticmethod:: FindLanguageInfo(locale)

      This function may be used to find the language description structure for the given locale, specified either as a two letter ``ISO`` language code (for example, "pt"), a language code followed by the country code ("pt_BR") or a full, human readable, language description ("Portuguese_Brazil").                  

      Returns the information for the given language or ``None`` if this language is unknown. Note that even if the returned pointer is valid, the caller should `not`  delete it. 

                


      :param `locale`: 
      :type `locale`: string




      :rtype: :ref:`wx.LanguageInfo`







      .. seealso:: :meth:`GetLanguageInfo`     








   .. method:: GetCanonicalName(self)

      Returns the canonical form of current locale name.                  

      Canonical form is the one that is used on ``UNIX`` systems: it is a two- or five-letter string in xx or xx_YY format, where xx is ``ISO`` 639 code of language and ``YY`` is ``ISO`` 3166 code of the country. Examples are "en", "en_GB", "en_US" or "fr_FR". This form is internally used when looking up message catalogs. Compare :meth:`GetSysName` .                  

      :rtype: `string`








   .. method:: GetHeaderValue(self, header, domain=EmptyString)

      Calls :meth:`wx.Translations.GetHeaderValue` .                  


      :param `header`: 
      :type `header`: string
      :param `domain`: 
      :type `domain`: string




      :rtype: `string`








   .. staticmethod:: GetInfo(index, cat=LOCALE_CAT_DEFAULT)

      Get the values of the given locale-dependent datum.                  

      This function returns the value of the locale-specific option specified by the given `index`. 




      :param `index`: One of the elements of LocaleInfo enum.   
      :type `index`: wx.LocaleInfo
      :param `cat`: The category to use with the given index or ``wx.LOCALE_CAT_DEFAULT`` if the index can only apply to a single category.   
      :type `cat`: wx.LocaleCategory








      :rtype: `string`



                  



      :returns: 

         The option value or empty string if the function failed.   








   .. method:: GetLanguage(self)

      Returns the :ref:`wx.Language`  constant of current language.                  

      Note that you can call this function only if you used the form of :meth:`Init`   that takes :ref:`wx.Language`  argument.                  

      :rtype: `int`








   .. staticmethod:: GetLanguageCanonicalName(lang)

      Returns canonical name (see :meth:`GetCanonicalName` ) of the given language or empty string if this language is unknown.                  

      See :meth:`GetLanguageInfo`   for a remark about special meaning of  ``LANGUAGE_DEFAULT`` . 

                


      :param `lang`: 
      :type `lang`: int




      :rtype: `string`







      .. versionadded:: 2.9.1 
     








   .. staticmethod:: GetLanguageInfo(lang)

      Returns a pointer to :ref:`wx.LanguageInfo`  structure containing information about the given language or ``None`` if this language is unknown.                  

      Note that even if the returned pointer is valid, the caller should `not`  delete it. 

      See :meth:`AddLanguage`   for the :ref:`wx.LanguageInfo`  description. As with :meth:`Init` ,  ``LANGUAGE_DEFAULT``   has the special meaning if passed as an argument to this function and in this case the result of  :meth:`GetSystemLanguage`   is used.                  


      :param `lang`: 
      :type `lang`: int




      :rtype: :ref:`wx.LanguageInfo`








   .. staticmethod:: GetLanguageName(lang)

      Returns English name of the given language or empty string if this language is unknown.                  

      See :meth:`GetLanguageInfo`   for a remark about special meaning of  ``LANGUAGE_DEFAULT`` .                   


      :param `lang`: 
      :type `lang`: int




      :rtype: `string`








   .. method:: GetLocale(self)

      Returns the locale name as passed to the constructor or :meth:`Init` .                  

      This is a full, human-readable name, e.g. "English" or "French".                  

      :rtype: `string`








   .. method:: GetName(self)

      Returns the current short name for the locale (as given to the constructor or the :meth:`Init`   function).                  

      :rtype: `string`








   .. staticmethod:: GetOSInfo(index, cat=LOCALE_CAT_DEFAULT)

      Get the values of a locale datum in the OS locale.                  

      This function shouldn't be used in the new code, use :meth:`UILocale.GetInfo`   instead. 

      This function is similar to :meth:`GetInfo`   and, in fact, identical to it under non-MSW systems. Under MSW it differs from it when no locale had been explicitly set: :meth:`GetInfo`   returns the values corresponding to the "C" locale used by the standard library functions, while this method returns the values used by the OS which, in Windows case, correspond to the user settings in the control panel. 

                


      :param `index`: 
      :type `index`: wx.LocaleInfo
      :param `cat`: 
      :type `cat`: wx.LocaleCategory




      :rtype: `string`







      .. versionadded:: 4.1/wxWidgets-3.1.0  
     








   .. method:: GetString(self, *args, **kw)



      |overload| Overloaded Implementations:

      :html:`<hr class="overloadsep" /><br />`

      
      **GetString** `(self, origString, domain=EmptyString)`
      
      Calls GetTranslation(const String&,  String&).                  
      
      
      :param `origString`: 
      :type `origString`: string
      :param `domain`: 
      :type `domain`: string
      
      
      
      
      :rtype: `string`
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **GetString** `(self, origString, origString2, n, domain=EmptyString)`
      
      Calls GetTranslation(const String&,  String&, unsigned,  String&).                  
      
      
      :param `origString`: 
      :type `origString`: string
      :param `origString2`: 
      :type `origString2`: string
      :param `n`: 
      :param `domain`: 
      :type `domain`: string
      
      
      
      
      :rtype: `string`
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`






   .. method:: GetSysName(self)

      Returns current platform-specific locale name as passed to setlocale().                  

      Compare :meth:`GetCanonicalName` .                  

      :rtype: `string`








   .. staticmethod:: GetSystemEncoding()

      Tries to detect the user's default font encoding.                  

      Returns :ref:`wx.FontEncoding`  value or  ``FONTENCODING_SYSTEM``   if it couldn't be determined.                   

      :rtype: :ref:`wx.FontEncoding`








   .. staticmethod:: GetSystemEncodingName()

      Tries to detect the name of the user's default font encoding.                  

      This string isn't particularly useful for the application as its form is platform-dependent and so you should probably use :meth:`GetSystemEncoding`   instead. 

      Returns a user-readable string value or an empty string if it couldn't be determined.                  

      :rtype: `string`








   .. staticmethod:: GetSystemLanguage()

      Tries to detect the user's default locale setting.                  


      Returns the  :ref:`wx.Language`  value or  ``LANGUAGE_UNKNOWN``   if the locale is not recognized, as can notably happen when combining any language with a region where this language is not typically spoken. 

                

      :rtype: `int`







      .. note:: 

         This function is somewhat misleading, as it uses the default system locale to determine its return value, and not just the system language. It is preserved for backwards compatibility, but to actually get the language, and not locale, used by the system by default, call :meth:`UILocale.GetSystemLanguage`   instead.  







      .. seealso:: :meth:`wx.Translations.GetBestTranslation` .   








   .. method:: Init(self, *args, **kw)



      |overload| Overloaded Implementations:

      :html:`<hr class="overloadsep" /><br />`

      
      **Init** `(self, language=LANGUAGE_DEFAULT, flags=LOCALE_LOAD_DEFAULT)`
      
      Initializes the :ref:`wx.Locale`  instance.                  
      
      The call of this function has several global side effects which you should understand: first of all, the application locale is changed - note that this will affect many of standard C library functions such as printf() or strftime(). Second, this :ref:`wx.Locale`  object becomes the new current global locale for the application and so all subsequent calls to :ref:`wx.GetTranslation`  will try to translate the messages using the message catalogs for this locale. 
      
      
      
      
      :param `language`: :ref:`wx.Language`  identifier of the locale. It can be either some concrete language, e.g.  ``LANGUAGE_ESPERANTO`` , or a special value   ``LANGUAGE_DEFAULT``   which means that  :ref:`wx.Locale`  should use system's default language (see :meth:`GetSystemLanguage` ). Notice that the value  ``LANGUAGE_UNKNOWN``   is not allowed here.    
      :type `language`: int
      :param `flags`: Combination of the following:
      
       - ``wx.LOCALE_LOAD_DEFAULT``: Load the message catalog for the given locale containing the translations of standard wxWidgets messages automatically. 
       - ``wx.LOCALE_DONT_LOAD_DEFAULT``: Negation of ``wx.LOCALE_LOAD_DEFAULT``. 
      
       
      
      :type `flags`: int
      
      
      
      
      
      
      
      
      :rtype: `bool`
      
      
      
                        
      
      
      
      :returns: 
      
         ``True`` on success or ``False`` if the given locale couldn't be set.   
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`

      
      **Init** `(self, name, shortName=EmptyString, locale=EmptyString, bLoadDefault=True)`
      
      
      
      
      
      
      
      
      :param `name`: The name of the locale. Only used in diagnostic messages.   
      :type `name`: string
      :param `shortName`: The standard 2 letter locale abbreviation; it is used as the directory prefix when looking for the message catalog files.   
      :type `shortName`: string
      :param `locale`: The parameter for the call to setlocale(). Note that it is platform-specific.   
      :type `locale`: string
      :param `bLoadDefault`: May be set to ``False`` to prevent loading of the message catalog for the given locale containing the translations of standard wxWidgets messages. This parameter would be rarely used in normal circumstances.   
      :type `bLoadDefault`: bool
      
      
      
      
      
      
      
      
      
      
      
      
      :rtype: `bool`
      
      
      
                        
      
      
      
      .. wxdeprecated:: 
         This form is deprecated, use the other one unless you know what you are doing.   
      
      
      
      
      
      
      
      :html:`<hr class="overloadsep" /><br />`






   .. staticmethod:: IsAvailable(lang)

      Check whether the operating system and/or C run time environment supports this locale.                  

      For example in Windows, support for many locales is not installed by default. Returns ``True`` if the locale is supported. 

      The argument `lang`  is the :ref:`wx.Language`  identifier. To obtain this for a given a two letter ``ISO`` language code, use :meth:`FindLanguageInfo`   to obtain its :ref:`wx.LanguageInfo`  structure. See :meth:`AddLanguage`   for the :ref:`wx.LanguageInfo`  description. 

                


      :param `lang`: 
      :type `lang`: int




      :rtype: `bool`







      .. versionadded:: 2.7.1.
      








   .. method:: IsLoaded(self, domain)

      Calls :meth:`wx.Translations.IsLoaded` .                  


      :param `domain`: 
      :type `domain`: string




      :rtype: `bool`








   .. method:: IsOk(self)

      Returns ``True`` if the locale could be set successfully.                  

      :rtype: `bool`








   .. method:: __bool__(self)



      :rtype: `int`








   .. method:: __nonzero__(self)



      :rtype: `int`








   .. attribute:: CanonicalName

      See :meth:`~wx.Locale.GetCanonicalName`


   .. attribute:: Language

      See :meth:`~wx.Locale.GetLanguage`


   .. attribute:: Locale

      See :meth:`~wx.Locale.GetLocale`


   .. attribute:: Name

      See :meth:`~wx.Locale.GetName`


   .. attribute:: SysName

      See :meth:`~wx.Locale.GetSysName`

