mirror of
https://github.com/dolphin-emu/dolphin.git
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d14efe561b
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
321 lines
11 KiB
C++
321 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/translation.h
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// Purpose: Internationalization and localisation for wxWidgets
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// Author: Vadim Zeitlin, Vaclav Slavik,
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// Michael N. Filippov <michael@idisys.iae.nsk.su>
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// Created: 2010-04-23
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// RCS-ID: $Id: translation.h 64597 2010-06-16 14:09:32Z VS $
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// (c) 2010 Vaclav Slavik <vslavik@fastmail.fm>
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TRANSLATION_H_
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#define _WX_TRANSLATION_H_
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#include "wx/defs.h"
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#include "wx/string.h"
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#if wxUSE_INTL
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#include "wx/buffer.h"
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#include "wx/language.h"
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#include "wx/hashmap.h"
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#include "wx/strconv.h"
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#include "wx/scopedptr.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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// gettext() style macros (notice that xgettext should be invoked with
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// --keyword="_" --keyword="wxPLURAL:1,2" options
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// to extract the strings from the sources)
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#ifndef WXINTL_NO_GETTEXT_MACRO
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#define _(s) wxGetTranslation((s))
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#define wxPLURAL(sing, plur, n) wxGetTranslation((sing), (plur), n)
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#endif
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// another one which just marks the strings for extraction, but doesn't
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// perform the translation (use -kwxTRANSLATE with xgettext!)
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#define wxTRANSLATE(str) str
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// ----------------------------------------------------------------------------
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// forward decls
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_BASE wxArrayString;
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class WXDLLIMPEXP_FWD_BASE wxTranslationsLoader;
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class WXDLLIMPEXP_FWD_BASE wxLocale;
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class wxPluralFormsCalculator;
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wxDECLARE_SCOPED_PTR(wxPluralFormsCalculator, wxPluralFormsCalculatorPtr)
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// ----------------------------------------------------------------------------
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// wxMsgCatalog corresponds to one loaded message catalog.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxMsgCatalog
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{
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public:
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// Ctor is protected, because CreateFromXXX functions must be used,
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// but destruction should be unrestricted
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#if !wxUSE_UNICODE
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~wxMsgCatalog();
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#endif
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// load the catalog from disk or from data; caller is responsible for
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// deleting them if not NULL
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static wxMsgCatalog *CreateFromFile(const wxString& filename,
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const wxString& domain);
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static wxMsgCatalog *CreateFromData(const wxScopedCharBuffer& data,
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const wxString& domain);
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// get name of the catalog
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wxString GetDomain() const { return m_domain; }
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// get the translated string: returns NULL if not found
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const wxString *GetString(const wxString& sz, unsigned n = UINT_MAX) const;
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protected:
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wxMsgCatalog(const wxString& domain)
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: m_pNext(NULL), m_domain(domain)
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#if !wxUSE_UNICODE
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, m_conv(NULL)
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#endif
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{}
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private:
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// variable pointing to the next element in a linked list (or NULL)
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wxMsgCatalog *m_pNext;
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friend class wxTranslations;
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wxStringToStringHashMap m_messages; // all messages in the catalog
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wxString m_domain; // name of the domain
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#if !wxUSE_UNICODE
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// the conversion corresponding to this catalog charset if we installed it
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// as the global one
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wxCSConv *m_conv;
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#endif
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wxPluralFormsCalculatorPtr m_pluralFormsCalculator;
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};
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// ----------------------------------------------------------------------------
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// wxTranslations: message catalogs
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// ----------------------------------------------------------------------------
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// this class allows to get translations for strings
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class WXDLLIMPEXP_BASE wxTranslations
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{
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public:
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wxTranslations();
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~wxTranslations();
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// returns current translations object, may return NULL
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static wxTranslations *Get();
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// sets current translations object (takes ownership; may be NULL)
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static void Set(wxTranslations *t);
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// changes loader to non-default one; takes ownership of 'loader'
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void SetLoader(wxTranslationsLoader *loader);
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void SetLanguage(wxLanguage lang);
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void SetLanguage(const wxString& lang);
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// get languages available for this app
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wxArrayString GetAvailableTranslations(const wxString& domain) const;
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// add standard wxWidgets catalog ("wxstd")
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bool AddStdCatalog();
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// add catalog with given domain name and language, looking it up via
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// wxTranslationsLoader
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bool AddCatalog(const wxString& domain);
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bool AddCatalog(const wxString& domain, wxLanguage msgIdLanguage);
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#if !wxUSE_UNICODE
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bool AddCatalog(const wxString& domain,
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wxLanguage msgIdLanguage,
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const wxString& msgIdCharset);
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#endif
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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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// access to translations
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const wxString& GetString(const wxString& origString,
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const wxString& domain = wxEmptyString) const;
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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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wxString GetHeaderValue(const wxString& header,
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const wxString& domain = wxEmptyString) const;
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// this is hack to work around a problem with wxGetTranslation() which
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// returns const wxString& and not wxString, so when it returns untranslated
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// string, it needs to have a copy of it somewhere
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static const wxString& GetUntranslatedString(const wxString& str);
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private:
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// perform loading of the catalog via m_loader
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bool LoadCatalog(const wxString& domain, const wxString& lang);
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// find best translation for given domain
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wxString ChooseLanguageForDomain(const wxString& domain,
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const wxString& msgIdLang);
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// find catalog by name in a linked list, return NULL if !found
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wxMsgCatalog *FindCatalog(const wxString& domain) const;
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// same as Set(), without taking ownership; only for wxLocale
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static void SetNonOwned(wxTranslations *t);
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friend class wxLocale;
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private:
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wxString m_lang;
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wxTranslationsLoader *m_loader;
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wxMsgCatalog *m_pMsgCat; // pointer to linked list of catalogs
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};
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// abstraction of translations discovery and loading
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class WXDLLIMPEXP_BASE wxTranslationsLoader
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{
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public:
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wxTranslationsLoader() {}
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virtual ~wxTranslationsLoader() {}
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virtual wxMsgCatalog *LoadCatalog(const wxString& domain,
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const wxString& lang) = 0;
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virtual wxArrayString GetAvailableTranslations(const wxString& domain) const = 0;
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};
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// standard wxTranslationsLoader implementation, using filesystem
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class WXDLLIMPEXP_BASE wxFileTranslationsLoader
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: public wxTranslationsLoader
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{
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public:
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static void AddCatalogLookupPathPrefix(const wxString& prefix);
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virtual wxMsgCatalog *LoadCatalog(const wxString& domain,
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const wxString& lang);
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virtual wxArrayString GetAvailableTranslations(const wxString& domain) const;
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};
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#ifdef __WINDOWS__
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// loads translations from win32 resources
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class WXDLLIMPEXP_BASE wxResourceTranslationsLoader
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: public wxTranslationsLoader
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{
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public:
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virtual wxMsgCatalog *LoadCatalog(const wxString& domain,
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const wxString& lang);
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virtual wxArrayString GetAvailableTranslations(const wxString& domain) const;
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protected:
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// returns resource type to use for translations
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virtual wxString GetResourceType() const { return "MOFILE"; }
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// returns module to load resources from
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virtual WXHINSTANCE GetModule() const { return 0; }
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};
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#endif // __WINDOWS__
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// ----------------------------------------------------------------------------
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// global functions
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// ----------------------------------------------------------------------------
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// get the translation of the string in the current locale
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inline const wxString& wxGetTranslation(const wxString& str,
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const wxString& domain = wxEmptyString)
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{
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wxTranslations *trans = wxTranslations::Get();
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if ( trans )
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return trans->GetString(str, domain);
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else
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// NB: this function returns reference to a string, so we have to keep
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// a copy of it somewhere
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return wxTranslations::GetUntranslatedString(str);
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}
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inline const wxString& wxGetTranslation(const wxString& str1,
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const wxString& str2,
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unsigned n,
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const wxString& domain = wxEmptyString)
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{
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wxTranslations *trans = wxTranslations::Get();
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if ( trans )
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return trans->GetString(str1, str2, n, domain);
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else
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// NB: this function returns reference to a string, so we have to keep
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// a copy of it somewhere
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return n == 1
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? wxTranslations::GetUntranslatedString(str1)
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: wxTranslations::GetUntranslatedString(str2);
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}
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#else // !wxUSE_INTL
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// the macros should still be defined - otherwise compilation would fail
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#if !defined(WXINTL_NO_GETTEXT_MACRO)
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#if !defined(_)
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#define _(s) (s)
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#endif
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#define wxPLURAL(sing, plur, n) ((n) == 1 ? (sing) : (plur))
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#endif
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#define wxTRANSLATE(str) str
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// NB: we use a template here in order to avoid using
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// wxLocale::GetUntranslatedString() above, which would be required if
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// we returned const wxString&; this way, the compiler should be able to
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// optimize wxGetTranslation() away
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template<typename TString>
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inline TString wxGetTranslation(TString str)
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{ return str; }
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template<typename TString, typename TDomain>
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inline TString wxGetTranslation(TString str, TDomain WXUNUSED(domain))
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{ return str; }
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template<typename TString, typename TDomain>
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inline TString wxGetTranslation(TString str1, TString str2, size_t n)
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{ return n == 1 ? str1 : str2; }
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template<typename TString, typename TDomain>
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inline TString wxGetTranslation(TString str1, TString str2, size_t n,
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TDomain WXUNUSED(domain))
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{ return n == 1 ? str1 : str2; }
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#endif // wxUSE_INTL/!wxUSE_INTL
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// define this one just in case it occurs somewhere (instead of preferred
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// wxTRANSLATE) too
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#if !defined(WXINTL_NO_GETTEXT_MACRO)
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#if !defined(gettext_noop)
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#define gettext_noop(str) (str)
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#endif
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#if !defined(N_)
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#define N_(s) (s)
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#endif
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#endif
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#endif // _WX_TRANSLATION_H_
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