/////////////////////////////////////////////////////////////////////////////
-// Name: intl.h
-// Purpose: Internationalization and localisation for wxWindows
+// Name: wx/intl.h
+// Purpose: Internationalization and localisation for wxWidgets
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
+// (2003/09/30 - plural forms support)
// Created: 29/01/98
-// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __INTLH__
-#define __INTLH__
-
-#ifdef __GNUG__
-#pragma interface "intl.h"
-#endif
+#ifndef _WX_INTL_H_
+#define _WX_INTL_H_
#include "wx/defs.h"
#include "wx/string.h"
+#include "wx/translation.h"
+
+// Make wxLayoutDirection enum available without need for wxUSE_INTL so wxWindow, wxApp
+// and other classes are not distrubed by wxUSE_INTL
+
+enum wxLayoutDirection
+{
+ wxLayout_Default,
+ wxLayout_LeftToRight,
+ wxLayout_RightToLeft
+};
+
+#if wxUSE_INTL
+
+#include "wx/fontenc.h"
+#include "wx/language.h"
// ============================================================================
// global decls
// ============================================================================
-// ----------------------------------------------------------------------------
-// simple types
-// ----------------------------------------------------------------------------
-
-// # adjust if necessary
-typedef unsigned char uint8;
-typedef unsigned long uint32;
-
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
-// gettext() style macro
-#define _(str) wxGetTranslation(str)
-
// ----------------------------------------------------------------------------
// forward decls
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxLocale;
-class WXDLLEXPORT wxMsgCatalog;
-extern WXDLLEXPORT_DATA(wxLocale *) g_pLocale;
+
+class WXDLLIMPEXP_FWD_BASE wxLocale;
+class WXDLLIMPEXP_FWD_BASE wxLanguageInfoArray;
// ============================================================================
// locale support
// ============================================================================
+// ----------------------------------------------------------------------------
+// wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
+// translation information
+// ----------------------------------------------------------------------------
+
+struct WXDLLIMPEXP_BASE wxLanguageInfo
+{
+ int Language; // wxLanguage id
+ wxString CanonicalName; // Canonical name, e.g. fr_FR
+#ifdef __WINDOWS__
+ wxUint32 WinLang, // Win32 language identifiers
+ WinSublang;
+#endif // __WINDOWS__
+ wxString Description; // human-readable name of the language
+ wxLayoutDirection LayoutDirection;
+
+#ifdef __WINDOWS__
+ // return the LCID corresponding to this language
+ wxUint32 GetLCID() const;
+#endif // __WINDOWS__
+
+ // return the locale name corresponding to this language usable with
+ // setlocale() on the current system
+ wxString GetLocaleName() const;
+};
+
+// for Unix systems GetLocaleName() is trivial so implement it inline here, for
+// MSW it's implemented in intl.cpp
+#ifndef __WINDOWS__
+inline wxString wxLanguageInfo::GetLocaleName() const { return CanonicalName; }
+#endif // !__WINDOWS__
+
+
+// ----------------------------------------------------------------------------
+// wxLocaleCategory: the category of locale settings
+// ----------------------------------------------------------------------------
+
+enum wxLocaleCategory
+{
+ // (any) numbers
+ wxLOCALE_CAT_NUMBER,
+
+ // date/time
+ wxLOCALE_CAT_DATE,
+
+ // monetary value
+ wxLOCALE_CAT_MONEY,
+
+ // default category for wxLocaleInfo values which only apply to a single
+ // category (e.g. wxLOCALE_SHORT_DATE_FMT)
+ wxLOCALE_CAT_DEFAULT,
+
+ wxLOCALE_CAT_MAX
+};
+
+// ----------------------------------------------------------------------------
+// wxLocaleInfo: the items understood by wxLocale::GetInfo()
+// ----------------------------------------------------------------------------
+
+enum wxLocaleInfo
+{
+ // the thousands separator (for wxLOCALE_CAT_NUMBER or MONEY)
+ wxLOCALE_THOUSANDS_SEP,
+
+ // the character used as decimal point (for wxLOCALE_CAT_NUMBER or MONEY)
+ wxLOCALE_DECIMAL_POINT,
+
+ // the stftime()-formats used for short/long date and time representations
+ // (under some platforms short and long date formats are the same)
+ //
+ // NB: these elements should appear in this order, code in GetInfo() relies
+ // on it
+ wxLOCALE_SHORT_DATE_FMT,
+ wxLOCALE_LONG_DATE_FMT,
+ wxLOCALE_DATE_TIME_FMT,
+ wxLOCALE_TIME_FMT
+
+};
+
// ----------------------------------------------------------------------------
// wxLocale: encapsulates all language dependent settings, including current
-// message catalogs, date, time and currency formats (#### to do) &c
+// message catalogs, date, time and currency formats (TODO) &c
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxLocale
+
+enum wxLocaleInitFlags
+{
+ wxLOCALE_DONT_LOAD_DEFAULT = 0x0000, // don't load wxwin.mo
+ wxLOCALE_LOAD_DEFAULT = 0x0001 // load wxwin.mo?
+#if WXWIN_COMPATIBILITY_2_8
+ ,wxLOCALE_CONV_ENCODING = 0x0002 // no longer used, simply remove
+ // it from the existing code
+#endif
+};
+
+class WXDLLIMPEXP_BASE wxLocale
{
public:
- // ctor & dtor
- // the ctor has a side effect of changing current locale
- wxLocale(const char *szName, // name (for messages)
- const char *szShort = NULL, // dir prefix (for msg files)
- const char *szLocale = NULL, // locale (for setlocale)
- bool bLoadDefault = TRUE); // preload wxstd.mo?
- // restores old locale
- ~wxLocale();
-
- // returns locale name
- const char *GetLocale() const { return m_strLocale; }
-
- // add a catalog: it's searched for in standard places (current directory
- // first, system one after). It will be used for message lookup by
- // GetString().
- //
- // Returns 'true' if it was successfully loaded
- bool AddCatalog(const char *szDomain);
-
- // check if the given catalog is loaded
- bool IsLoaded(const char *szDomain) const;
-
- // retrieve the translation for a string in all loaded domains unless
- // the szDomain parameter is specified (and then only this domain is
- // searched)
- //
- // return 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)
- //
- // domains are searched in the last to first order, i.e. catalogs
- // added later override those added before.
- const char *GetString(const char *szOrigString,
- const char *szDomain = NULL) const;
+ // ctor & dtor
+ // -----------
+
+ // call Init() if you use this ctor
+ wxLocale() { DoCommonInit(); }
+
+ // the ctor has a side effect of changing current locale
+ wxLocale(const wxString& name, // name (for messages)
+ const wxString& shortName = wxEmptyString, // dir prefix (for msg files)
+ const wxString& locale = wxEmptyString, // locale (for setlocale)
+ bool bLoadDefault = true // preload wxstd.mo?
+#if WXWIN_COMPATIBILITY_2_8
+ ,bool bConvertEncoding = true // convert Win<->Unix if necessary?
+#endif
+ )
+ {
+ DoCommonInit();
+
+#if WXWIN_COMPATIBILITY_2_8
+ Init(name, shortName, locale, bLoadDefault, bConvertEncoding);
+#else
+ Init(name, shortName, locale, bLoadDefault);
+#endif
+ }
+
+ wxLocale(int language, // wxLanguage id or custom language
+ int flags = wxLOCALE_LOAD_DEFAULT)
+ {
+ DoCommonInit();
+
+ Init(language, flags);
+ }
+
+ // the same as a function (returns true on success)
+ bool Init(const wxString& name,
+ const wxString& shortName = wxEmptyString,
+ const wxString& locale = wxEmptyString,
+ bool bLoadDefault = true
+#if WXWIN_COMPATIBILITY_2_8
+ ,bool bConvertEncoding = true
+#endif
+ );
+
+ // same as second ctor (returns true on success)
+ bool Init(int language = wxLANGUAGE_DEFAULT,
+ int flags = wxLOCALE_LOAD_DEFAULT);
+
+ // restores old locale
+ virtual ~wxLocale();
+
+ // Try to get user's (or OS's) preferred language setting.
+ // Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
+ static int GetSystemLanguage();
+
+ // get the encoding used by default for text on this system, returns
+ // wxFONTENCODING_SYSTEM if it couldn't be determined
+ static wxFontEncoding GetSystemEncoding();
+
+ // get the string describing the system encoding, return empty string if
+ // couldn't be determined
+ static wxString GetSystemEncodingName();
+
+ // get the values of the given locale-dependent datum: the current locale
+ // is used, the US default value is returned if everything else fails
+ static wxString GetInfo(wxLocaleInfo index,
+ wxLocaleCategory cat = wxLOCALE_CAT_DEFAULT);
+
+ // return true if the locale was set successfully
+ bool IsOk() const { return m_pszOldLocale != NULL; }
+
+ // returns locale name
+ const wxString& GetLocale() const { return m_strLocale; }
+
+ // return current locale wxLanguage value
+ int GetLanguage() const { return m_language; }
+
+ // return locale name to be passed to setlocale()
+ wxString GetSysName() const;
+
+ // return 'canonical' name, i.e. in the form of xx[_YY], where xx is
+ // language code according to ISO 639 and YY is country name
+ // as specified by ISO 3166.
+ wxString GetCanonicalName() const { return m_strShort; }
+
+ // add a prefix to the catalog lookup path: the message catalog files will be
+ // looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
+ // (in this order).
+ //
+ // This only applies to subsequent invocations of AddCatalog()!
+ static void AddCatalogLookupPathPrefix(const wxString& prefix)
+ { wxFileTranslationsLoader::AddCatalogLookupPathPrefix(prefix); }
+
+ // add a catalog: it's searched for in standard places (current directory
+ // first, system one after), but the you may prepend additional directories to
+ // the search path with AddCatalogLookupPathPrefix().
+ //
+ // The loaded catalog will be used for message lookup by GetString().
+ //
+ // Returns 'true' if it was successfully loaded
+ bool AddCatalog(const wxString& domain);
+ bool AddCatalog(const wxString& domain, wxLanguage msgIdLanguage);
+ bool AddCatalog(const wxString& domain,
+ wxLanguage msgIdLanguage, const wxString& msgIdCharset);
+
+ // check if the given locale is provided by OS and C run time
+ static bool IsAvailable(int lang);
+
+ // check if the given catalog is loaded
+ bool IsLoaded(const wxString& domain) const;
+
+ // Retrieve the language info struct for the given language
+ //
+ // Returns NULL if no info found, pointer must *not* be deleted by caller
+ static const wxLanguageInfo *GetLanguageInfo(int lang);
+
+ // Returns language name in English or empty string if the language
+ // is not in database
+ static wxString GetLanguageName(int lang);
+
+ // Returns ISO code ("canonical name") of language or empty string if the
+ // language is not in database
+ static wxString GetLanguageCanonicalName(int lang);
+
+ // Find the language for the given locale string which may be either a
+ // canonical ISO 2 letter language code ("xx"), a language code followed by
+ // the country code ("xx_XX") or a Windows full language name ("Xxxxx...")
+ //
+ // Returns NULL if no info found, pointer must *not* be deleted by caller
+ static const wxLanguageInfo *FindLanguageInfo(const wxString& locale);
+
+ // Add custom language to the list of known languages.
+ // Notes: 1) wxLanguageInfo contains platform-specific data
+ // 2) must be called before Init to have effect
+ static void AddLanguage(const wxLanguageInfo& info);
+
+ // retrieve the translation for a string in all loaded domains unless
+ // the szDomain parameter is specified (and then only this domain is
+ // searched)
+ // n - additional parameter for PluralFormsParser
+ //
+ // return 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)
+ //
+ // domains are searched in the last to first order, i.e. catalogs
+ // added later override those added before.
+ const wxString& GetString(const wxString& origString,
+ const wxString& domain = wxEmptyString) const
+ {
+ return wxGetTranslation(origString, domain);
+ }
+ // plural form version of the same:
+ const wxString& GetString(const wxString& origString,
+ const wxString& origString2,
+ unsigned n,
+ const wxString& domain = wxEmptyString) const
+ {
+ return wxGetTranslation(origString, origString2, n, domain);
+ }
+
+ // this is hack to work around a problem with wxGetTranslation() which
+ // returns const wxString& and not wxString, so when it returns untranslated
+ // string, it needs to have a copy of it somewhere
+ static const wxString& GetUntranslatedString(const wxString& str)
+ { return wxTranslations::GetUntranslatedString(str); }
+
+ // Returns the current short name for the locale
+ const wxString& GetName() const { return m_strShort; }
+
+ // return the contents of .po file header
+ wxString GetHeaderValue(const wxString& header,
+ const wxString& domain = wxEmptyString) const;
+
+ // These two methods are for internal use only. First one creates
+ // ms_languagesDB if it doesn't already exist, second one destroys
+ // it.
+ static void CreateLanguagesDB();
+ static void DestroyLanguagesDB();
private:
- // find catalog by name in a linked list, return NULL if !found
- wxMsgCatalog *FindCatalog(const char *szDomain) const;
-
- wxString m_strLocale, // this locale name
- m_strShort; // short name for the locale
-
- const char *m_pszOldLocale; // previous locale from setlocale()
- wxLocale *m_pOldLocale; // previous wxLocale
-
- wxMsgCatalog *m_pMsgCat; // pointer to linked list of catalogs
+ bool DoInit(const wxString& name,
+ const wxString& shortName,
+ const wxString& locale);
+
+ // copy default table of languages from global static array to
+ // m_langugagesInfo, called by InitLanguagesDB
+ static void InitLanguagesDB();
+
+ // initialize the member fields to default values
+ void DoCommonInit();
+
+ wxString m_strLocale, // this locale name
+ m_strShort; // short name for the locale
+ int m_language; // this locale wxLanguage value
+
+ const char *m_pszOldLocale; // previous locale from setlocale()
+ wxLocale *m_pOldLocale; // previous wxLocale
+
+ bool m_initialized;
+
+ wxTranslations m_translations;
+
+ static wxLanguageInfoArray *ms_languagesDB;
+
+ wxDECLARE_NO_COPY_CLASS(wxLocale);
};
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
-WXDLLEXPORT wxLocale* wxGetLocale();
+// get the current locale object (note that it may be NULL!)
+extern WXDLLIMPEXP_BASE wxLocale* wxGetLocale();
-// get the translation of the string in the current locale
-inline WXDLLEXPORT const char *wxGetTranslation(const char *sz)
-{
- wxLocale *pLoc = wxGetLocale();
- return pLoc == NULL ? sz : pLoc->GetString(sz);
-}
+#endif // wxUSE_INTL
-#endif
- // __INTLH__
+#endif // _WX_INTL_H_
projects / wxWidgets.git / blobdiff