9fc78c8167
This fixes the size of wxDateTimePickerCtrl in programs that don't set any specific locale: previously, the standard "%m/%d/%y" format was used for computing the best size of the control in this case, but this could have been significantly shorter than the format actually used (compare with the default "%d %b, %Y"), resulting in the control contents being truncated by default. GetOSInfo() is currently different from GetInfo() only under MSW, but we might need to make the same distinction under OS X too, so do make this function public instead of keeping it MSW-specific. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78220 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
372 lines
14 KiB
C++
372 lines
14 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/intl.h
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// Purpose: Internationalization and localisation for wxWidgets
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// Author: Vadim Zeitlin
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// Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
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// (2003/09/30 - plural forms support)
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// Created: 29/01/98
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_INTL_H_
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#define _WX_INTL_H_
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#include "wx/defs.h"
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#include "wx/string.h"
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#include "wx/translation.h"
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// Make wxLayoutDirection enum available without need for wxUSE_INTL so wxWindow, wxApp
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// and other classes are not distrubed by wxUSE_INTL
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enum wxLayoutDirection
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{
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wxLayout_Default,
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wxLayout_LeftToRight,
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wxLayout_RightToLeft
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};
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#if wxUSE_INTL
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#include "wx/fontenc.h"
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#include "wx/language.h"
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// ============================================================================
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// global decls
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// ============================================================================
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// ----------------------------------------------------------------------------
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// macros
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// forward decls
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_BASE wxLocale;
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class WXDLLIMPEXP_FWD_BASE wxLanguageInfoArray;
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// ============================================================================
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// locale support
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
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// translation information
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// ----------------------------------------------------------------------------
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struct WXDLLIMPEXP_BASE wxLanguageInfo
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{
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int Language; // wxLanguage id
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wxString CanonicalName; // Canonical name, e.g. fr_FR
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#ifdef __WINDOWS__
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wxUint32 WinLang, // Win32 language identifiers
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WinSublang;
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#endif // __WINDOWS__
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wxString Description; // human-readable name of the language
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wxLayoutDirection LayoutDirection;
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#ifdef __WINDOWS__
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// return the LCID corresponding to this language
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wxUint32 GetLCID() const;
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#endif // __WINDOWS__
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// return the locale name corresponding to this language usable with
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// setlocale() on the current system
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wxString GetLocaleName() const;
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};
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// for Unix systems GetLocaleName() is trivial so implement it inline here, for
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// MSW it's implemented in intl.cpp
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#ifndef __WINDOWS__
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inline wxString wxLanguageInfo::GetLocaleName() const { return CanonicalName; }
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#endif // !__WINDOWS__
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// ----------------------------------------------------------------------------
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// wxLocaleCategory: the category of locale settings
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// ----------------------------------------------------------------------------
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enum wxLocaleCategory
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{
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// (any) numbers
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wxLOCALE_CAT_NUMBER,
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// date/time
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wxLOCALE_CAT_DATE,
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// monetary value
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wxLOCALE_CAT_MONEY,
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// default category for wxLocaleInfo values which only apply to a single
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// category (e.g. wxLOCALE_SHORT_DATE_FMT)
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wxLOCALE_CAT_DEFAULT,
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wxLOCALE_CAT_MAX
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};
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// ----------------------------------------------------------------------------
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// wxLocaleInfo: the items understood by wxLocale::GetInfo()
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// ----------------------------------------------------------------------------
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enum wxLocaleInfo
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{
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// the thousands separator (for wxLOCALE_CAT_NUMBER or MONEY)
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wxLOCALE_THOUSANDS_SEP,
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// the character used as decimal point (for wxLOCALE_CAT_NUMBER or MONEY)
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wxLOCALE_DECIMAL_POINT,
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// the stftime()-formats used for short/long date and time representations
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// (under some platforms short and long date formats are the same)
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//
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// NB: these elements should appear in this order, code in GetInfo() relies
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// on it
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wxLOCALE_SHORT_DATE_FMT,
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wxLOCALE_LONG_DATE_FMT,
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wxLOCALE_DATE_TIME_FMT,
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wxLOCALE_TIME_FMT
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};
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// ----------------------------------------------------------------------------
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// wxLocale: encapsulates all language dependent settings, including current
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// message catalogs, date, time and currency formats (TODO) &c
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// ----------------------------------------------------------------------------
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enum wxLocaleInitFlags
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{
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wxLOCALE_DONT_LOAD_DEFAULT = 0x0000, // don't load wxwin.mo
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wxLOCALE_LOAD_DEFAULT = 0x0001 // load wxwin.mo?
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#if WXWIN_COMPATIBILITY_2_8
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,wxLOCALE_CONV_ENCODING = 0x0002 // no longer used, simply remove
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// it from the existing code
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#endif
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};
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class WXDLLIMPEXP_BASE wxLocale
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{
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public:
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// ctor & dtor
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// -----------
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// call Init() if you use this ctor
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wxLocale() { DoCommonInit(); }
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// the ctor has a side effect of changing current locale
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wxLocale(const wxString& name, // name (for messages)
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const wxString& shortName = wxEmptyString, // dir prefix (for msg files)
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const wxString& locale = wxEmptyString, // locale (for setlocale)
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bool bLoadDefault = true // preload wxstd.mo?
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#if WXWIN_COMPATIBILITY_2_8
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,bool bConvertEncoding = true // convert Win<->Unix if necessary?
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#endif
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)
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{
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DoCommonInit();
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#if WXWIN_COMPATIBILITY_2_8
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Init(name, shortName, locale, bLoadDefault, bConvertEncoding);
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#else
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Init(name, shortName, locale, bLoadDefault);
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#endif
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}
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wxLocale(int language, // wxLanguage id or custom language
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int flags = wxLOCALE_LOAD_DEFAULT)
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{
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DoCommonInit();
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Init(language, flags);
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}
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// the same as a function (returns true on success)
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bool Init(const wxString& name,
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const wxString& shortName = wxEmptyString,
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const wxString& locale = wxEmptyString,
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bool bLoadDefault = true
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#if WXWIN_COMPATIBILITY_2_8
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,bool bConvertEncoding = true
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#endif
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);
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// same as second ctor (returns true on success)
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bool Init(int language = wxLANGUAGE_DEFAULT,
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int flags = wxLOCALE_LOAD_DEFAULT);
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// restores old locale
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virtual ~wxLocale();
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// Try to get user's (or OS's) preferred language setting.
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// Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
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static int GetSystemLanguage();
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// get the encoding used by default for text on this system, returns
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// wxFONTENCODING_SYSTEM if it couldn't be determined
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static wxFontEncoding GetSystemEncoding();
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// get the string describing the system encoding, return empty string if
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// couldn't be determined
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static wxString GetSystemEncodingName();
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// get the values of the given locale-dependent datum: the current locale
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// is used, the US default value is returned if everything else fails
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static wxString GetInfo(wxLocaleInfo index,
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wxLocaleCategory cat = wxLOCALE_CAT_DEFAULT);
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// Same as GetInfo() but uses current locale at the OS level to retrieve
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// the information. Normally it should be the same as the one used by
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// GetInfo() but there are two exceptions: the most important one is that
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// if no locale had been set, GetInfo() would fall back to "C" locale,
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// while this one uses the default OS locale. Another, more rare, one is
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// that some locales might not supported by the OS.
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//
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// Currently this is the same as GetInfo() under non-MSW platforms.
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static wxString GetOSInfo(wxLocaleInfo index,
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wxLocaleCategory cat = wxLOCALE_CAT_DEFAULT);
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// return true if the locale was set successfully
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bool IsOk() const { return m_pszOldLocale != NULL; }
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// returns locale name
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const wxString& GetLocale() const { return m_strLocale; }
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// return current locale wxLanguage value
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int GetLanguage() const { return m_language; }
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// return locale name to be passed to setlocale()
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wxString GetSysName() const;
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// return 'canonical' name, i.e. in the form of xx[_YY], where xx is
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// language code according to ISO 639 and YY is country name
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// as specified by ISO 3166.
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wxString GetCanonicalName() const { return m_strShort; }
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// add a prefix to the catalog lookup path: the message catalog files will be
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// looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
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// (in this order).
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//
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// This only applies to subsequent invocations of AddCatalog()!
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static void AddCatalogLookupPathPrefix(const wxString& prefix)
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{ wxFileTranslationsLoader::AddCatalogLookupPathPrefix(prefix); }
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// add a catalog: it's searched for in standard places (current directory
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// first, system one after), but the you may prepend additional directories to
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// the search path with AddCatalogLookupPathPrefix().
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//
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// The loaded catalog will be used for message lookup by GetString().
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//
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// Returns 'true' if it was successfully loaded
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bool AddCatalog(const wxString& domain);
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bool AddCatalog(const wxString& domain, wxLanguage msgIdLanguage);
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bool AddCatalog(const wxString& domain,
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wxLanguage msgIdLanguage, const wxString& msgIdCharset);
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// check if the given locale is provided by OS and C run time
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static bool IsAvailable(int lang);
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// check if the given catalog is loaded
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bool IsLoaded(const wxString& domain) const;
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// Retrieve the language info struct for the given language
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//
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// Returns NULL if no info found, pointer must *not* be deleted by caller
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static const wxLanguageInfo *GetLanguageInfo(int lang);
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// Returns language name in English or empty string if the language
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// is not in database
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static wxString GetLanguageName(int lang);
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// Returns ISO code ("canonical name") of language or empty string if the
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// language is not in database
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static wxString GetLanguageCanonicalName(int lang);
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// Find the language for the given locale string which may be either a
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// canonical ISO 2 letter language code ("xx"), a language code followed by
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// the country code ("xx_XX") or a Windows full language name ("Xxxxx...")
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//
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// Returns NULL if no info found, pointer must *not* be deleted by caller
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static const wxLanguageInfo *FindLanguageInfo(const wxString& locale);
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// Add custom language to the list of known languages.
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// Notes: 1) wxLanguageInfo contains platform-specific data
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// 2) must be called before Init to have effect
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static void AddLanguage(const wxLanguageInfo& info);
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// retrieve the translation for a string in all loaded domains unless
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// the szDomain parameter is specified (and then only this domain is
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// searched)
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// n - additional parameter for PluralFormsParser
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//
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// return original string if translation is not available
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// (in this case an error message is generated the first time
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// a string is not found; use wxLogNull to suppress it)
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//
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// domains are searched in the last to first order, i.e. catalogs
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// added later override those added before.
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const wxString& GetString(const wxString& origString,
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const wxString& domain = wxEmptyString) const
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{
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return wxGetTranslation(origString, domain);
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}
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// plural form version of the same:
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const wxString& GetString(const wxString& origString,
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const wxString& origString2,
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unsigned n,
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const wxString& domain = wxEmptyString) const
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{
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return wxGetTranslation(origString, origString2, n, domain);
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}
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// Returns the current short name for the locale
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const wxString& GetName() const { return m_strShort; }
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// return the contents of .po file header
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wxString GetHeaderValue(const wxString& header,
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const wxString& domain = wxEmptyString) const;
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// These two methods are for internal use only. First one creates
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// ms_languagesDB if it doesn't already exist, second one destroys
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// it.
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static void CreateLanguagesDB();
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static void DestroyLanguagesDB();
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private:
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bool DoInit(const wxString& name,
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const wxString& shortName,
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const wxString& locale);
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// copy default table of languages from global static array to
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// m_langugagesInfo, called by InitLanguagesDB
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static void InitLanguagesDB();
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// initialize the member fields to default values
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void DoCommonInit();
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wxString m_strLocale, // this locale name
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m_strShort; // short name for the locale
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int m_language; // this locale wxLanguage value
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const char *m_pszOldLocale; // previous locale from setlocale()
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wxLocale *m_pOldLocale; // previous wxLocale
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bool m_initialized;
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wxTranslations m_translations;
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static wxLanguageInfoArray *ms_languagesDB;
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wxDECLARE_NO_COPY_CLASS(wxLocale);
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};
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// ----------------------------------------------------------------------------
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// global functions
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// ----------------------------------------------------------------------------
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// get the current locale object (note that it may be NULL!)
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extern WXDLLIMPEXP_BASE wxLocale* wxGetLocale();
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#endif // wxUSE_INTL
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#endif // _WX_INTL_H_
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