/////////////////////////////////////////////////////////////////////////////
// Name: wx/intl.h
-// Purpose: Internationalization and localisation for wxWindows
+// Purpose: Internationalization and localisation for wxWidgets
// Author: Vadim Zeitlin
// Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
// (2003/09/30 - plural forms support)
#ifndef _WX_INTL_H_
#define _WX_INTL_H_
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma interface "intl.h"
-#endif
-
#include "wx/defs.h"
#include "wx/string.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"
// macros
// ----------------------------------------------------------------------------
-// gettext() style macros (notice that xgettext should be invoked with
-// --keyword="_" --keyword="_N:1,2" --keyword="N_" options
+// gettext() style macros (notice that xgettext should be invoked with
+// --keyword="_" --keyword="wxPLURAL:1,2" options
// to extract the strings from the sources)
#ifndef WXINTL_NO_GETTEXT_MACRO
- #define _(s) wxGetTranslation(_T(s))
- #define _N(s1, s2, n) wxGetTranslation(_T(s1), _T(s2), n)
- #define N_(s) _T(s)
+ #define _(s) wxGetTranslation(_T(s))
+ #define wxPLURAL(sing, plur, n) wxGetTranslation(_T(sing), _T(plur), n)
#endif
// another one which just marks the strings for extraction, but doesn't
// forward decls
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_BASE wxLocale;
-class WXDLLIMPEXP_BASE wxMsgCatalog;
-class WXDLLIMPEXP_BASE wxLanguageInfoArray;
+class WXDLLIMPEXP_FWD_BASE wxLocale;
+class WXDLLIMPEXP_FWD_BASE wxLanguageInfoArray;
+class wxMsgCatalog;
// ============================================================================
// locale support
WinSublang;
#endif // __WIN32__
wxString Description; // human-readable name of the language
+ wxLayoutDirection LayoutDirection;
};
// ----------------------------------------------------------------------------
// -----------
// call Init() if you use this ctor
- wxLocale();
+ wxLocale() { DoCommonInit(); }
+
// the ctor has a side effect of changing current locale
- wxLocale(const wxChar *szName, // name (for messages)
- const wxChar *szShort = (const wxChar *) NULL, // dir prefix (for msg files)
- const wxChar *szLocale = (const wxChar *) NULL, // locale (for setlocale)
- bool bLoadDefault = TRUE, // preload wxstd.mo?
- bool bConvertEncoding = FALSE) // convert Win<->Unix if neccessary?
+ 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?
+ bool bConvertEncoding = false) // convert Win<->Unix if necessary?
{
- Init(szName, szShort, szLocale, bLoadDefault, bConvertEncoding);
+ DoCommonInit();
+
+ Init(name, shortName, locale, bLoadDefault, bConvertEncoding);
}
wxLocale(int language, // wxLanguage id or custom language
int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING)
- { Init(language, flags); }
+ {
+ DoCommonInit();
+
+ Init(language, flags);
+ }
- // the same as a function (returns TRUE on success)
- bool Init(const wxChar *szName,
- const wxChar *szShort = (const wxChar *) NULL,
- const wxChar *szLocale = (const wxChar *) NULL,
- bool bLoadDefault = TRUE,
- bool bConvertEncoding = FALSE);
+ // 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,
+ bool bConvertEncoding = false);
- // same as second ctor (returns TRUE on success)
+ // same as second ctor (returns true on success)
bool Init(int language = wxLANGUAGE_DEFAULT,
int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
// restores old locale
- ~wxLocale();
+ virtual ~wxLocale();
- // Try to get user's (or OS's) prefered language setting.
+ // Try to get user's (or OS's) preferred language setting.
// Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
static int GetSystemLanguage();
// is used, the US default value is returned if everything else fails
static wxString GetInfo(wxLocaleInfo index, wxLocaleCategory cat);
- // return TRUE if the locale was set successfully
+ // return true if the locale was set successfully
bool IsOk() const { return m_pszOldLocale != NULL; }
// returns locale name
- const wxChar *GetLocale() const { return m_strLocale; }
+ const wxString& GetLocale() const { return m_strLocale; }
// return current locale wxLanguage value
int GetLanguage() const { return m_language; }
// The loaded catalog will be used for message lookup by GetString().
//
// Returns 'true' if it was successfully loaded
- bool AddCatalog(const wxChar *szDomain);
+ bool AddCatalog(const wxString& domain);
+ 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 wxChar *szDomain) const;
+ bool IsLoaded(const wxString& domain) const;
// Retrieve the language info struct for the given language
//
//
// domains are searched in the last to first order, i.e. catalogs
// added later override those added before.
- const wxChar *GetString(const wxChar *szOrigString,
- const wxChar *szDomain = (const wxChar *) NULL) const;
+ virtual const wxString& GetString(const wxString& origString,
+ const wxString& domain = wxEmptyString) const;
// plural form version of the same:
- const wxChar *GetString(const wxChar *szOrigString,
- const wxChar *szOrigString2,
- size_t n,
- const wxChar *szDomain = (const wxChar *) NULL) const;
+ virtual const wxString& GetString(const wxString& origString,
+ const wxString& origString2,
+ size_t n,
+ const wxString& domain = wxEmptyString) const;
+
+ // 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);
// 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.
private:
// find catalog by name in a linked list, return NULL if !found
- wxMsgCatalog *FindCatalog(const wxChar *szDomain) const;
+ wxMsgCatalog *FindCatalog(const wxString& domain) const;
// 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 wxChar *m_pszOldLocale; // previous locale from setlocale()
+ const char *m_pszOldLocale; // previous locale from setlocale()
wxLocale *m_pOldLocale; // previous wxLocale
wxMsgCatalog *m_pMsgCat; // pointer to linked list of catalogs
bool m_bConvertEncoding;
+ bool m_initialized;
+
static wxLanguageInfoArray *ms_languagesDB;
DECLARE_NO_COPY_CLASS(wxLocale)
extern WXDLLIMPEXP_BASE wxLocale* wxGetLocale();
// get the translation of the string in the current locale
-inline const wxChar *wxGetTranslation(const wxChar *sz)
+inline const wxString& wxGetTranslation(const wxString& str,
+ const wxString& domain = wxEmptyString)
{
wxLocale *pLoc = wxGetLocale();
if (pLoc)
- return pLoc->GetString(sz);
+ return pLoc->GetString(str, domain);
else
- return sz;
+ // NB: this function returns reference to a string, so we have to keep
+ // a copy of it somewhere
+ return wxLocale::GetUntranslatedString(str);
}
-inline const wxChar *wxGetTranslation(const wxChar *sz1, const wxChar *sz2,
- size_t n)
+inline const wxString& wxGetTranslation(const wxString& str1,
+ const wxString& str2,
+ size_t n,
+ const wxString& domain = wxEmptyString)
{
wxLocale *pLoc = wxGetLocale();
if (pLoc)
- return pLoc->GetString(sz1, sz2, n);
+ return pLoc->GetString(str1, str2, n, domain);
else
- return n == 1 ? sz1 : sz2;
+ // NB: this function returns reference to a string, so we have to keep
+ // a copy of it somewhere
+ return n == 1
+ ? wxLocale::GetUntranslatedString(str1)
+ : wxLocale::GetUntranslatedString(str2);
}
#else // !wxUSE_INTL
// the macros should still be defined - otherwise compilation would fail
-#if !defined(WXINTL_NO_GETTEXT_MACRO) && !defined(_)
- #define _(s) (_T(s))
- #define _N(s1, s2, n) ((n) == 1 ? _T(s1) : _T(s2))
- #define N_(s) _T(s)
+#if !defined(WXINTL_NO_GETTEXT_MACRO)
+ #if !defined(_)
+ #define _(s) (_T(s))
+ #endif
+ #define wxPLURAL(sing, plur, n) ((n) == 1 ? _T(sing) : _T(plur))
#endif
#define wxTRANSLATE(str) _T(str)
-// Note: use of 'inline' here can cause this symbol not to be found when compiled with gcc
-//const wxChar *wxGetTranslation(const wxChar *sz);
-#define wxGetTranslation(sz) (sz)
+// NB: we use a template here in order to avoid using
+// wxLocale::GetUntranslatedString() above, which would be required if
+// we returned const wxString&; this way, the compiler should be able to
+// optimize wxGetTranslation() away
+
+template<typename TString>
+inline TString wxGetTranslation(TString str)
+ { return str; }
+
+template<typename TString, typename TDomain>
+inline TString wxGetTranslation(TString str, TDomain WXUNUSED(domain))
+ { return str; }
+
+template<typename TString, typename TDomain>
+inline TString wxGetTranslation(TString str1, TString str2, size_t n)
+ { return n == 1 ? str1 : str2; }
+
+template<typename TString, typename TDomain>
+inline TString wxGetTranslation(TString str1, TString str2, size_t n,
+ TDomain WXUNUSED(domain))
+ { return n == 1 ? str1 : str2; }
#endif // wxUSE_INTL/!wxUSE_INTL
// define this one just in case it occurs somewhere (instead of preferred
// wxTRANSLATE) too
-#if !defined(WXINTL_NO_GETTEXT_MACRO) && !defined(gettext_noop)
- #define gettext_noop(str) _T(str)
+#if !defined(WXINTL_NO_GETTEXT_MACRO)
+ #if !defined(gettext_noop)
+ #define gettext_noop(str) _T(str)
+ #endif
+ #if !defined(N_)
+ #define N_(s) _T(s)
+ #endif
#endif
#endif // _WX_INTL_H_
-
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