// Purpose: interface of wxLocale
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+/**
+ This is the layout direction stored in wxLanguageInfo and returned by
+ wxApp::GetLayoutDirection(), wxWindow::GetLayoutDirection(),
+ wxDC::GetLayoutDirection() for RTL (right-to-left) languages support.
+*/
+enum wxLayoutDirection
+{
+ wxLayout_Default,
+ wxLayout_LeftToRight,
+ wxLayout_RightToLeft
+};
+
+/**
+ Encapsulates a ::wxLanguage indentifier together with OS-specific information
+ related to that language.
+
+ @beginWxPerlOnly
+ In wxPerl @c Wx::LanguageInfo has only one method:
+ - Wx::LanguageInfo->new(language, canonicalName, WinLang, WinSubLang, Description)
+ @endWxPerlOnly
+*/
+struct WXDLLIMPEXP_BASE wxLanguageInfo
+{
+ /// ::wxLanguage id.
+ /// It should be greater than @c wxLANGUAGE_USER_DEFINED when defining your own
+ /// language info structure.
+ int Language;
+
+ /// Canonical name of the language, e.g. @c fr_FR.
+ wxString CanonicalName;
+
+ //@{
+ /**
+ Win32 language identifiers (LANG_xxxx, SUBLANG_xxxx).
+
+ @onlyfor{wxmsw}
+ */
+ wxUint32 WinLang, WinSublang;
+ //@}
+
+ /// Human-readable name of the language.
+ wxString Description;
+
+ /// The layout direction used for this language.
+ wxLayoutDirection LayoutDirection;
+
+ /// Return the LCID corresponding to this language.
+ /// @onlyfor{wxmsw}
+ wxUint32 GetLCID() const;
+
+ /// Return the locale name corresponding to this language usable with
+ /// @c setlocale() on the current system.
+ wxString GetLocaleName() const;
+};
+
+
+/**
+ The category of locale settings.
+
+ @see wxLocale::GetInfo()
+*/
+enum wxLocaleCategory
+{
+ /// Number formatting.
+ wxLOCALE_CAT_NUMBER,
+
+ /// Date/time formatting.
+ wxLOCALE_CAT_DATE,
+
+ /// Monetary values formatting.
+ wxLOCALE_CAT_MONEY,
+
+ /**
+ Default category for the wxLocaleInfo value.
+
+ This category can be used for values which only make sense for a single
+ category, e.g. wxLOCALE_SHORT_DATE_FMT which can only be used with
+ wxLOCALE_CAT_DATE. As this is the default value of the second parameter
+ of wxLocale::GetInfo(), wxLOCALE_CAT_DATE can be omitted when asking
+ for wxLOCALE_SHORT_DATE_FMT value.
+
+ @since 2.9.0
+ */
+ wxLOCALE_CAT_DEFAULT
+};
+
+/**
+ The values understood by wxLocale::GetInfo().
+
+ Note that for the @c wxLOCALE_*_FMT constants (the date and time formats),
+ the strings returned by wxLocale::GetInfo() use strftime() or,
+ equivalently, wxDateTime::Format() format. If the relevant format
+ couldn't be determined, an empty string is returned -- there is no
+ fallback value so that the application could determine the best course
+ of actions itself in such case.
+
+ All of these values are used with @c wxLOCALE_CAT_DATE in wxLocale::GetInfo() or,
+ more typically, with @c wxLOCALE_CAT_DEFAULT as they only apply to a single category.
+*/
+enum wxLocaleInfo
+{
+ /**
+ The thousands separator.
+
+ This value can be used with either wxLOCALE_CAT_NUMBER or
+ wxLOCALE_CAT_MONEY categories.
+ */
+ wxLOCALE_THOUSANDS_SEP,
+
+ /**
+ The character used as decimal point.
+
+ This value can be used with either wxLOCALE_CAT_NUMBER or
+ wxLOCALE_CAT_MONEY categories.
+ */
+ wxLOCALE_DECIMAL_POINT,
+
+ /**
+ Short date format.
+
+ Notice that short and long date formats may be the same under POSIX
+ systems currently but may, and typically are, different under MSW or OS X.
+
+ @since 2.9.0
+ */
+ wxLOCALE_SHORT_DATE_FMT,
+
+ /**
+ Long date format.
+
+ @since 2.9.0
+ */
+ wxLOCALE_LONG_DATE_FMT,
+
+ /**
+ Date and time format.
+
+ @since 2.9.0
+ */
+ wxLOCALE_DATE_TIME_FMT,
+
+ /**
+ Time format.
+
+ @since 2.9.0
+ */
+ wxLOCALE_TIME_FMT
+};
+
+
/**
@class wxLocale
wxLocale class encapsulates all language-dependent settings and is a
generalization of the C locale concept.
- In wxWidgets this class manages message catalogs which contain the translations
- of the strings used to the current language.
+ In wxWidgets this class manages current locale. It also initializes and
+ activates wxTranslations object that manages message catalogs.
+
+ For a list of the supported languages, please see ::wxLanguage enum values.
+ These constants may be used to specify the language in wxLocale::Init and
+ are returned by wxLocale::GetSystemLanguage.
- @b wxPerl note: In wxPerl you can't use the '_' function name, so
+ @beginWxPerlOnly
+ In wxPerl you can't use the '_' function name, so
the @c Wx::Locale module can export the @c gettext and
@c gettext_noop under any given name.
@code
- # this imports gettext ( equivalent to Wx::GetTranslation
+ # this imports gettext ( equivalent to Wx::GetTranslation
# and gettext_noop ( a noop )
# into your module
use Wx::Locale qw(:default);
a shorter name for gettext:
@code
- #
use Wx::Locale 'gettext' = 't',
'gettext_noop' = 'gettext_noop';
# ...
@endcode
+ @endWxPerlOnly
@library{wxbase}
- @category{FIXME}
+ @category{cfg}
- @see @ref overview_internationalization, @ref overview_sampleinternat "Internat
- sample", wxXLocale
+ @see @ref overview_i18n, @ref page_samples_internat, wxXLocale, wxTranslations
*/
class wxLocale
{
public:
- //@{
+ /**
+ This is the default constructor and it does nothing to initialize the object:
+ Init() must be used to do that.
+ */
+ wxLocale();
+
/**
See Init() for parameters description.
+ */
+ wxLocale(int language, int flags = wxLOCALE_LOAD_DEFAULT);
+
+ /**
+ See 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 wxLocale object becomes the new current global locale for the
- application and so all subsequent calls to wxGetTranslation() will try to
+ application and so all subsequent calls to ::wxGetTranslation() will try to
translate the messages using the message catalogs for this locale.
*/
- wxLocale();
- wxLocale(int language,
- int flags =
- wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
wxLocale(const wxString& name,
- const wxString& short = wxEmptyString,
+ const wxString& shortName = wxEmptyString,
const wxString& locale = wxEmptyString,
- bool bLoadDefault = true,
- bool bConvertEncoding = false);
- //@}
+ bool bLoadDefault = true);
/**
The destructor, like the constructor, also has global side effects: the
- previously
- set locale is restored and so the changes described in
+ previously set locale is restored and so the changes described in
Init() documentation are rolled back.
*/
- ~wxLocale();
+ virtual ~wxLocale();
- //@{
/**
- Add a catalog for use with the current locale: it is searched for in standard
- places (current directory first, then the system one), but you may also prepend
- additional directories to the search path with
- AddCatalogLookupPathPrefix().
- All loaded catalogs will be used for message lookup by
- GetString() for the current locale.
- Returns @true if catalog was successfully loaded, @false otherwise (which might
- mean that the catalog is not found or that it isn't in the correct format).
- The second form of this method takes two additional arguments,
- @a msgIdLanguage and @e msgIdCharset.
- @a msgIdLanguage specifies the language of "msgid" strings in source code
- (i.e. arguments to GetString(),
- wxGetTranslation() and the
- _() macro). It is used if AddCatalog cannot find any
- catalog for current language: if the language is same as source code language,
- then strings from source code are used instead.
- @a msgIdCharset lets you specify the charset used for msgids in sources
- in case they use 8-bit characters (e.g. German or French strings). This
- argument has no effect in Unicode build, because literals in sources are
- Unicode strings; you have to use compiler-specific method of setting the right
- charset when compiling with Unicode.
- By default (i.e. when you use the first form), msgid strings are assumed
- to be in English and written only using 7-bit ASCII characters.
- If you have to deal with non-English strings or 8-bit characters in the source
- code, see the instructions in
- @ref overview_nonenglishoverview "Writing non-English applications".
+ Calls wxTranslations::AddCatalog(const wxString&).
*/
bool AddCatalog(const wxString& domain);
- bool AddCatalog(const wxString& domain,
- wxLanguage msgIdLanguage,
+
+ /**
+ Calls wxTranslations::AddCatalog(const wxString&, wxLanguage).
+ */
+ bool AddCatalog(const wxString& domain, wxLanguage msgIdLanguage);
+
+ /**
+ Calls wxTranslations::AddCatalog(const wxString&, wxLanguage, const wxString&).
+ */
+ bool AddCatalog(const wxString& domain, wxLanguage msgIdLanguage,
const wxString& msgIdCharset);
- //@}
/**
- Add a prefix to the catalog lookup path: the message catalog files will be
- looked up under prefix/lang/LC_MESSAGES, prefix/lang and prefix
- (in this order).
- This only applies to subsequent invocations of AddCatalog().
+ Calls wxFileTranslationsLoader::AddCatalogLookupPathPrefix().
*/
- void AddCatalogLookupPathPrefix(const wxString& prefix);
+ static void AddCatalogLookupPathPrefix(const wxString& prefix);
/**
- Adds custom, user-defined language to the database of known languages. This
- database is used in conjunction with the first form of
- Init().
- wxLanguageInfo is defined as follows:
- @e Language should be greater than wxLANGUAGE_USER_DEFINED.
- Wx::LanguageInfo-new( language, canonicalName, WinLang, WinSubLang, Description
- )
+ Adds custom, user-defined language to the database of known languages.
+ This database is used in conjunction with the first form of Init().
*/
static void AddLanguage(const wxLanguageInfo& info);
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 @NULL if this language
- is unknown. Note that even if the returned pointer is valid, the caller should
- @e not delete it.
+ is unknown. Note that even if the returned pointer is valid, the caller
+ should @e not delete it.
@see GetLanguageInfo()
*/
- static wxLanguageInfo* FindLanguageInfo(const wxString& locale);
+ static const wxLanguageInfo* FindLanguageInfo(const wxString& locale);
/**
Returns the canonical form of current locale name. Canonical form is the
wxString GetCanonicalName() const;
/**
- Returns the header value for header @e header. The search for @a header is case
- sensitive. If an @e domain
- is passed, this domain is searched. Else all domains will be searched until a
- header has been found.
- The return value is the value of the header if found. Else this will be empty.
+ Calls wxTranslations::GetHeaderValue().
*/
wxString GetHeaderValue(const wxString& header,
const wxString& domain = wxEmptyString) const;
/**
- Returns wxLanguage() constant of current language.
+ Returns the ::wxLanguage constant of current language.
+
Note that you can call this function only if you used the form of
- Init() that takes wxLanguage argument.
+ Init() that takes ::wxLanguage argument.
*/
int GetLanguage() const;
/**
- Returns a pointer to wxLanguageInfo structure containing information about the
- given language or @NULL if this language is unknown. Note that even if the
- returned pointer is valid, the caller should @e not delete it.
- See AddLanguage() for the wxLanguageInfo
- description.
- As with Init(), @c wxLANGUAGE_DEFAULT has the
- special meaning if passed as an argument to this function and in this case the
- result of GetSystemLanguage() is used.
+ Returns a pointer to wxLanguageInfo structure containing information about
+ the given language or @NULL if this language is unknown. Note that even if
+ the returned pointer is valid, the caller should @e not delete it.
+
+ See AddLanguage() for the wxLanguageInfo description.
+ As with Init(), @c wxLANGUAGE_DEFAULT has the special meaning if passed
+ as an argument to this function and in this case the result of
+ GetSystemLanguage() is used.
*/
- static wxLanguageInfo* GetLanguageInfo(int lang) const;
+ static const wxLanguageInfo* GetLanguageInfo(int lang);
/**
Returns English name of the given language or empty string if this
language is unknown.
- See GetLanguageInfo() for a remark about
- special meaning of @c wxLANGUAGE_DEFAULT.
+
+ See GetLanguageInfo() for a remark about special meaning of @c wxLANGUAGE_DEFAULT.
*/
- static wxString GetLanguageName(int lang) const;
+ static wxString GetLanguageName(int lang);
/**
- Returns the locale name as passed to the constructor or
- Init(). This is full, human-readable name,
- e.g. "English" or "French".
+ Returns canonical name (see GetCanonicalName()) of the given language
+ or empty string if this language is unknown.
+
+ See GetLanguageInfo() for a remark about special meaning of @c wxLANGUAGE_DEFAULT.
+
+ @since 2.9.1
*/
- const wxString GetLocale() const;
+ static wxString GetLanguageCanonicalName(int lang);
+
+ /**
+ Returns the locale name as passed to the constructor or Init().
+
+ This is a full, human-readable name, e.g. "English" or "French".
+ */
+ const wxString& GetLocale() const;
/**
Returns the current short name for the locale (as given to the constructor or
the Init() function).
*/
- const wxString GetName() const;
+ const wxString& GetName() const;
- //@{
/**
- Retrieves the translation for a string in all loaded domains unless the szDomain
- parameter is specified (and then only this catalog/domain is searched).
- Returns original string if translation is not available
- (in this case an error message is generated the first time
- a string is not found; use wxLogNull to suppress it).
- The second form is used when retrieving translation of string that has
- different singular and plural form in English or different plural forms in some
- other language. It takes two extra arguments: @e origString
- parameter must contain the singular form of the string to be converted.
- It is also used as the key for the search in the catalog.
- The @a origString2 parameter is the plural form (in English).
- The parameter @a n is used to determine the plural form. If no
- message catalog is found @a origString is returned if 'n == 1',
- otherwise @e origString2.
- See GNU gettext manual for additional information on plural forms handling.
- This method is called by the wxGetTranslation()
- function and _() macro.
-
- @remarks Domains are searched in the last to first order, i.e. catalogs
- added later override those added before.
+ Calls wxTranslations::GetString(const wxString&, const wxString&) const.
*/
- const wxString GetString(const wxString& origString,
- const wxString& domain = wxEmptyString) const;
- const const wxString& GetString(const wxString& origString,
- const wxString& origString2,
- size_t n,
- const wxString& domain = NULL) const;
- //@}
+ virtual const wxString& GetString(const wxString& origString,
+ const wxString& domain = wxEmptyString) const;
+
+ /**
+ Calls wxTranslations::GetString(const wxString&, const wxString&, unsigned, const wxString&) const.
+ */
+ virtual const wxString& GetString(const wxString& origString,
+ const wxString& origString2, unsigned n,
+ const wxString& domain = wxEmptyString) const;
/**
Returns current platform-specific locale name as passed to setlocale().
/**
Tries to detect the user's default font encoding.
- Returns wxFontEncoding() value or
- @b wxFONTENCODING_SYSTEM if it couldn't be determined.
+ Returns wxFontEncoding() value or @c wxFONTENCODING_SYSTEM if it
+ couldn't be determined.
*/
- static wxFontEncoding GetSystemEncoding() const;
+ static wxFontEncoding GetSystemEncoding();
/**
- 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
- GetSystemEncoding() instead.
+ 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 GetSystemEncoding() instead.
+
Returns a user-readable string value or an empty string if it couldn't be
determined.
*/
- static wxString GetSystemEncodingName() const;
+ static wxString GetSystemEncodingName();
/**
Tries to detect the user's default language setting.
- Returns wxLanguage() value or
- @b wxLANGUAGE_UNKNOWN if the language-guessing algorithm failed.
+
+ Returns the ::wxLanguage value or @c wxLANGUAGE_UNKNOWN if the language-guessing
+ algorithm failed.
*/
- static int GetSystemLanguage() const;
+ static int GetSystemLanguage();
- //@{
/**
- The second form is deprecated, use the first one unless you know what you are
- doing.
+ Get the values of the given locale-dependent datum.
+
+ This function returns the value of the locale-specific option specified
+ by the given @a index.
+
+ @param index
+ One of the elements of wxLocaleInfo enum.
+ @param cat
+ The category to use with the given index or wxLOCALE_CAT_DEFAULT if
+ the index can only apply to a single category.
+ @return
+ The option value or empty string if the function failed.
+ */
+ static wxString GetInfo(wxLocaleInfo index,
+ wxLocaleCategory cat = wxLOCALE_CAT_DEFAULT);
+
+ /**
+ Initializes the wxLocale 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 wxLocale object becomes the new current global locale for
+ the application and so all subsequent calls to wxGetTranslation() will
+ try to translate the messages using the message catalogs for this locale.
@param language
- wxLanguage identifier of the locale.
- wxLANGUAGE_DEFAULT has special meaning -- wxLocale will use system's
- default
- language (see GetSystemLanguage).
+ ::wxLanguage identifier of the locale.
+ @c wxLANGUAGE_DEFAULT has special meaning -- wxLocale will use system's
+ default language (see GetSystemLanguage()).
@param flags
Combination of the following:
+ - wxLOCALE_LOAD_DEFAULT: Load the message catalog for the given locale
+ containing the translations of standard wxWidgets messages
+ automatically.
+ - wxLOCALE_DONT_LOAD_DEFAULT: Negation of wxLOCALE_LOAD_DEFAULT.
+ @return @true on success or @false if the given locale couldn't be set.
+ */
+ bool Init(int language = wxLANGUAGE_DEFAULT,
+ int flags = wxLOCALE_LOAD_DEFAULT);
+ /**
+ @deprecated
+ This form is deprecated, use the other one unless you know what you are doing.
-
-
-
-
- wxLOCALE_LOAD_DEFAULT
-
-
-
-
- Load the message catalog
- for the given locale containing the translations of standard wxWidgets
- messages
- automatically.
-
-
-
-
-
- wxLOCALE_CONV_ENCODING
-
-
-
-
- Automatically convert message
- catalogs to platform's default encoding. Note that it will do only basic
- conversion between well-known pair like iso8859-1 and windows-1252 or
- iso8859-2 and windows-1250. See Writing non-English applications for
- detailed
- description of this behaviour. Note that this flag is meaningless in
- Unicode build.
@param name
The name of the locale. Only used in diagnostic messages.
@param short
The standard 2 letter locale abbreviation; it is used as the
directory prefix when looking for the message catalog files.
@param locale
- The parameter for the call to setlocale(). Note that it is
- platform-specific.
+ The parameter for the call to setlocale().
+ Note that it is platform-specific.
@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.
+ 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.
- @param bConvertEncoding
- May be set to @true to do automatic conversion of message
- catalogs to platform's native encoding. Note that it will do only basic
- conversion between well-known pair like iso8859-1 and windows-1252 or
- iso8859-2 and windows-1250.
- See Writing non-English applications for detailed
- description of this behaviour.
*/
- bool Init(int language = wxLANGUAGE_DEFAULT,
- int flags =
- wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
- bool Init(const wxString& name,
- const wxString& short = wxEmptyString,
- const wxString& locale = wxEmptyString,
- bool bLoadDefault = true,
- bool bConvertEncoding = false);
- //@}
+ bool Init(const wxString& name, const wxString& shortName = wxEmptyString,
+ const wxString& locale = wxEmptyString, bool bLoadDefault = true);
/**
Check whether the operating system and/or C run time environment supports
this locale. For example in Windows 2000 and Windows XP, support for many
locales is not installed by default. Returns @true if the locale is
supported.
- The argument @a lang is the wxLanguage identifier. To obtain this for a
- given a two letter ISO language code, use
- FindLanguageInfo() to obtain its
- wxLanguageInfo structure. See AddLanguage() for
- the wxLanguageInfo description.
+
+ The argument @a lang is the ::wxLanguage identifier. To obtain this for a
+ given a two letter ISO language code, use FindLanguageInfo() to obtain its
+ wxLanguageInfo structure.
+ See AddLanguage() for the wxLanguageInfo description.
@since 2.7.1.
*/
static bool IsAvailable(int lang);
/**
- Check if the given catalog is loaded, and returns @true if it is.
- According to GNU gettext tradition, each catalog
- normally corresponds to 'domain' which is more or less the application name.
- See also: AddCatalog()
+ Calls wxTranslations::IsLoaded().
*/
- bool IsLoaded(const char* domain) const;
+ bool IsLoaded(const wxString& domain) const;
/**
Returns @true if the locale could be set successfully.
*/
bool IsOk() const;
-
- /**
- See @ref overview_languagecodes "list of recognized language constants".
- These constants may be used to specify the language
- in Init() and are returned by
- GetSystemLanguage():
- */
-};
-
-
-
-/**
- @class wxXLocale
-
-
- wxXLocale::wxXLocale
- wxXLocale::GetCLocale
- wxXLocale::IsOk
-
-
- Introduction
-
- This class represents a locale object used by so-called xlocale API. Unlike
- wxLocale it doesn't provide any non-trivial operations but
- simply provides a portable wrapper for POSIX @c locale_t type. It exists
- solely to be provided as an argument to various @c wxFoo_l() functions
- which are the extensions of the standard locale-dependent functions (hence the
- name xlocale). These functions do exactly the same thing as the corresponding
- standard @c foo() except that instead of using the global program locale
- they use the provided wxXLocale object. For example, if the user runs the
- program in French locale, the standard @c printf() function will output
- floating point numbers using decimal comma instead of decimal period. If the
- program needs to format a floating-point number in a standard format it can
- use @c wxPrintf_l(wxXLocale::GetCLocale(), "%g", number) to do it.
- Conversely, if a program wanted to output the number in French locale, even if
- the current locale is different, it could use wxXLocale(wxLANGUAGE_FRENCH).
-
-
- Availability
-
- This class is fully implemented only under the platforms where xlocale POSIX
- API or equivalent is available. Currently the xlocale API is available under
- most of the recent Unix systems (including Linux, various BSD and Mac OS X) and
- Microsoft Visual C++ standard library provides a similar API starting from
- version 8 (Visual Studio 2005).
-
- If neither POSIX API nor Microsoft proprietary equivalent are available, this
- class is still available but works in degraded mode: the only supported locale
- is the C one and attempts to create wxXLocale object for any other locale will
- fail. You can use the preprocessor macro @c wxHAS_XLOCALE_SUPPORT to
- test if full xlocale API is available or only skeleton C locale support is
- present.
-
- Notice that wxXLocale is new in wxWidgets 2.9.0 and is not compiled in if
- @c wxUSE_XLOCALE was set to 0 during the library compilation.
-
-
- Locale-dependent functions
-
- Currently the following @c _l-functions are available:
-
- Character classification functions: @c wxIsxxx_l(), e.g.
- @c wxIsalpha_l(), @c wxIslower_l() and all the others.
- Character transformation functions: @c wxTolower_l() and
- @c wxToupper_l()
-
- We hope to provide many more functions (covering numbers, time and formatted
- IO) in the near future.
-
- @library{wxbase}
- @category{FIXME}
-
- @see wxLocale
-*/
-class wxXLocale
-{
-public:
- //@{
- /**
- Creates the locale object corresponding to the specified locale string. The
- locale string is system-dependent, use constructor taking wxLanguage for better
- portability.
- */
- wxLocale();
- wxLocale(wxLanguage lang);
- wxLocale(const char* loc);
- //@}
-
- /**
- This class is fully implemented only under the platforms where xlocale POSIX
- API or equivalent is available. Currently the xlocale API is available under
- most of the recent Unix systems (including Linux, various BSD and Mac OS X) and
- Microsoft Visual C++ standard library provides a similar API starting from
- version 8 (Visual Studio 2005).
- If neither POSIX API nor Microsoft proprietary equivalent are available, this
- class is still available but works in degraded mode: the only supported locale
- is the C one and attempts to create wxXLocale object for any other locale will
- fail. You can use the preprocessor macro @c wxHAS_XLOCALE_SUPPORT to
- test if full xlocale API is available or only skeleton C locale support is
- present.
- Notice that wxXLocale is new in wxWidgets 2.9.0 and is not compiled in if
- @c wxUSE_XLOCALE was set to 0 during the library compilation.
- */
-
-
- /**
- Returns the global object representing the "C" locale. For an even shorter
- access to this object a global @c wxCLocale variable (implemented as a
- macro) is provided and can be used instead of calling this method.
- */
- static wxXLocale GetCLocale();
-
- /**
- This class represents a locale object used by so-called xlocale API. Unlike
- wxLocale it doesn't provide any non-trivial operations but
- simply provides a portable wrapper for POSIX @c locale_t type. It exists
- solely to be provided as an argument to various @c wxFoo_l() functions
- which are the extensions of the standard locale-dependent functions (hence the
- name xlocale). These functions do exactly the same thing as the corresponding
- standard @c foo() except that instead of using the global program locale
- they use the provided wxXLocale object. For example, if the user runs the
- program in French locale, the standard @c printf() function will output
- floating point numbers using decimal comma instead of decimal period. If the
- program needs to format a floating-point number in a standard format it can
- use @c wxPrintf_l(wxXLocale::GetCLocale(), "%g", number) to do it.
- Conversely, if a program wanted to output the number in French locale, even if
- the current locale is different, it could use wxXLocale(wxLANGUAGE_FRENCH).
- */
-
-
- /**
- Returns @true if this object is initialized, i.e. represents a valid locale
- or
- @false otherwise.
- */
- bool IsOk() const;
-
- /**
- Currently the following @c _l-functions are available:
- Character classification functions: @c wxIsxxx_l(), e.g.
- @c wxIsalpha_l(), @c wxIslower_l() and all the others.
- Character transformation functions: @c wxTolower_l() and
- @c wxToupper_l()
- We hope to provide many more functions (covering numbers, time and formatted
- IO) in the near future.
-
- @see wxLocale
- */
};
-
-
-
-// ============================================================================
-// Global functions/macros
-// ============================================================================
-
-/** @ingroup group_funcmacro_string */
-//@{
-
-/**
- This macro is identical to _() but for the plural variant of
- wxGetTranslation().
-
- @return A const wxString.
-
- @header{wx/intl.h}
-*/
-#define wxPLURAL(string, plural, n)
-
-/**
- This macro doesn't do anything in the program code -- it simply expands to
- the value of its argument.
-
- However it does have a purpose which is to mark the literal strings for the
- extraction into the message catalog created by @c xgettext program. Usually
- this is achieved using _() but that macro not only marks the string for
- extraction but also expands into a wxGetTranslation() call which means that
- it cannot be used in some situations, notably for static array
- initialization.
-
- Here is an example which should make it more clear: suppose that you have a
- static array of strings containing the weekday names and which have to be
- translated (note that it is a bad example, really, as wxDateTime already
- can be used to get the localized week day names already). If you write:
-
- @code
- static const char * const weekdays[] = { _("Mon"), ..., _("Sun") };
- ...
- // use weekdays[n] as usual
- @endcode
-
- The code wouldn't compile because the function calls are forbidden in the
- array initializer. So instead you should do this:
-
- @code
- static const char * const weekdays[] = { wxTRANSLATE("Mon"), ...,
- wxTRANSLATE("Sun") };
- ...
- // use wxGetTranslation(weekdays[n])
- @endcode
-
- Note that although the code @b would compile if you simply omit
- wxTRANSLATE() in the above, it wouldn't work as expected because there
- would be no translations for the weekday names in the program message
- catalog and wxGetTranslation() wouldn't find them.
-
- @return A const wxChar*.
-
- @header{wx/intl.h}
-*/
-#define wxTRANSLATE(string)
-
-/**
- This function returns the translation of @a string in the current
- @c locale(). If the string is not found in any of the loaded message
- catalogs (see @ref overview_i18n), the original string is returned. In
- debug build, an error message is logged -- this should help to find the
- strings which were not yet translated. If @a domain is specified then only
- that domain/catalog is searched for a matching string. As this function is
- used very often, an alternative (and also common in Unix world) syntax is
- provided: the _() macro is defined to do the same thing as
- wxGetTranslation().
-
- This function calls wxLocale::GetString().
-
- @note This function is not suitable for literal strings in Unicode builds
- since the literal strings must be enclosed into _T() or wxT() macro
- which makes them unrecognised by @c xgettext, and so they are not
- extracted to the message catalog. Instead, use the _() and wxPLURAL()
- macro for all literal strings.
-
- @see wxGetTranslation(const wxString&, const wxString&, size_t, const wxString&)
-
- @header{wx/intl.h}
-*/
-const wxString wxGetTranslation(const wxString& string,
- const wxString& domain = wxEmptyString);
-
-/**
- This is an overloaded version of
- wxGetTranslation(const wxString&, const wxString&), please see its
- documentation for general information.
-
- This version is used when retrieving translation of string that has
- different singular and plural forms in English or different plural forms in
- some other language. Like wxGetTranslation(const wxString&,const wxString&),
- the @a string parameter must contain the singular form of the string to be
- converted and is used as the key for the search in the catalog. The
- @a plural parameter is the plural form (in English). The parameter @a n is
- used to determine the plural form. If no message catalog is found,
- @a string is returned if "n == 1", otherwise @a plural is returned.
-
- See GNU gettext Manual for additional information on plural forms handling:
- <http://www.gnu.org/software/gettext/manual/gettext.html#Plural-forms>
- For a shorter alternative see the wxPLURAL() macro.
-
- This function calls wxLocale::GetString().
-
- @header{wx/intl.h}
-*/
-const wxString wxGetTranslation(const wxString& string,
- const wxString& plural, size_t n,
- const wxString& domain = wxEmptyString);
-
-/**
- This macro expands into a call to wxGetTranslation(), so it marks the
- message for the extraction by @c xgettext just as wxTRANSLATE() does, but
- also returns the translation of the string for the current locale during
- execution.
-
- Don't confuse this with _T()!
-
- @header{wx/intl.h}
-*/
-const wxString _(const wxString& string);
-
-//@}
-
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