mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-16 08:09:32 +02:00
e3ea93a624
... in cases of "TranslatableString" that are not really translated. This makes it easier to scan the code for such unusual constructions of TranslatableString, distinct from mere mentions of the TranslatableString type.
310 lines
9.6 KiB
C++
310 lines
9.6 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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Languages.cpp
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Dominic Mazzoni
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*******************************************************************//*!
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\file Languages.cpp
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\brief Determine installed languages.
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Figure out what translations are installed and return a list
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of language codes (like "es", "fr", or "pt-br") and corresponding
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language names (like "Español", "Français", and "Português").
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We use our own list of translations of language names (i.e.
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"Français" instead of "French") but we fallback on the language
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name in wxWidgets if we don't have it listed.
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This code is designed to work well with all of the current
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languages, but adapt to any language that wxWidgets supports.
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Other languages will only be supported if they're added to
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the database using wxLocale::AddLanguage.
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But for the most part, this means that somebody could add a NEW
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translation and have it work immediately.
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*//*******************************************************************/
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#include "Audacity.h"
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#include "Languages.h"
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#include "MemoryX.h"
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#include "Internat.h"
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#include <wx/defs.h>
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#include <wx/intl.h>
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#include <wx/textfile.h>
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#include "FileNames.h"
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#include <unordered_map>
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using LangHash = std::unordered_map<wxString, TranslatableString>;
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using ReverseLangHash = std::unordered_map<TranslatableString, wxString>;
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static bool TranslationExists(const FilePaths &audacityPathList, wxString code)
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{
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FilePaths results;
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FileNames::FindFilesInPathList(wxString::Format(wxT("%s/audacity.mo"),
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code),
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audacityPathList,
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results);
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#if defined(__WXMAC__)
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FileNames::FindFilesInPathList(wxString::Format(wxT("%s.lproj/audacity.mo"),
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code),
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audacityPathList,
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results);
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#endif
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FileNames::FindFilesInPathList(wxString::Format(wxT("%s/LC_MESSAGES/audacity.mo"),
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code),
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audacityPathList,
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results);
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return (results.size() > 0);
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}
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#ifdef __WXMAC__
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#include <CoreFoundation/CFLocale.h>
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#include <wx/osx/core/cfstring.h>
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#endif
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wxString GetSystemLanguageCode()
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{
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wxArrayString langCodes;
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TranslatableStrings langNames;
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GetLanguages(langCodes, langNames);
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int sysLang = wxLocale::GetSystemLanguage();
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const wxLanguageInfo *info;
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#ifdef __WXMAC__
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// PRL: Bug 1227, system language on Mac may not be right because wxW3 is
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// dependent on country code too in wxLocale::GetSystemLanguage().
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if (sysLang == wxLANGUAGE_UNKNOWN)
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{
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// wxW3 did a too-specific lookup of language and country, when
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// there is nothing for that combination; try it by language alone.
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// The following lines are cribbed from that function.
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wxCFRef<CFLocaleRef> userLocaleRef(CFLocaleCopyCurrent());
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wxCFStringRef str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode)));
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auto lang = str.AsString();
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// Now avoid wxLocale::GetLanguageInfo(), instead calling:
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info = wxLocale::FindLanguageInfo(lang);
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}
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else
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#endif
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{
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info = wxLocale::GetLanguageInfo(sysLang);
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}
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if (info) {
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wxString fullCode = info->CanonicalName;
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if (fullCode.length() < 2)
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return wxT("en");
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wxString code = fullCode.Left(2);
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unsigned int i;
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for(i=0; i<langCodes.size(); i++) {
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if (langCodes[i] == fullCode)
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return fullCode;
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if (langCodes[i] == code)
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return code;
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}
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}
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return wxT("en");
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}
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void GetLanguages(
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wxArrayString &langCodes, TranslatableStrings &langNames)
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{
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static const char *const utf8Names[] = {
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"af Afrikaans",
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"ar \330\247\331\204\330\271\330\261\330\250\331\212\330\251",
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"be \320\221\320\265\320\273\320\260\321\200\321\203\321\201\320\272\320\260\321\217",
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"bg \320\221\321\212\320\273\320\263\320\260\321\200\321\201\320\272\320\270",
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"bn \340\246\254\340\246\276\340\246\202\340\246\262\340\246\276",
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"bs Bosanski",
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"ca Catal\303\240",
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"ca_ES@valencia Valenci\303\240",
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"cs \304\214e\305\241tina",
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"cy Cymraeg",
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"da Dansk",
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"de Deutsch",
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"el \316\225\316\273\316\273\316\267\316\275\316\271\316\272\316\254",
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"en English",
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"es Espa\303\261ol",
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"eu Euskara",
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"eu_ES Euskara (Espainiako)",
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"fa \331\201\330\247\330\261\330\263\333\214",
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"fi Suomi",
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"fr Fran\303\247ais",
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"ga Gaeilge",
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"gl Galego",
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"he \327\242\327\221\327\250\327\231\327\252",
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"hi \340\244\271\340\244\277\340\244\250\340\245\215\340\244\246\340\245\200",
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"hr Hrvatski",
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"hu Magyar",
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"hy \325\200\325\241\325\265\325\245\326\200\325\245\325\266",
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"id Bahasa Indonesia",
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"it Italiano",
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"ja \346\227\245\346\234\254\350\252\236",
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"ka \341\203\245\341\203\220\341\203\240\341\203\227\341\203\243\341\203\232\341\203\230",
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"km \341\236\201\341\237\201\341\236\230\341\236\232\341\236\227\341\236\266\341\236\237\341\236\266",
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"ko \355\225\234\352\265\255\354\226\264",
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"lt Lietuvi\305\263",
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"mk \320\234\320\260\320\272\320\265\320\264\320\276\320\275\321\201\320\272\320\270",
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"my \341\200\231\341\200\274\341\200\224\341\200\272\341\200\231\341\200\254\341\200\205\341\200\254",
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"nb Norsk",
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"nl Nederlands",
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"oc Occitan",
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"pl Polski",
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"pt Portugu\303\252s",
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"pt_BR Portugu\303\252s (Brasil)",
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"ro Rom\303\242n\304\203",
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"ru \320\240\321\203\321\201\321\201\320\272\320\270\320\271",
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"sk Sloven\304\215ina",
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"sl Sloven\305\241\304\215ina",
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"sr_RS \320\241\321\200\320\277\321\201\320\272\320\270",
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"sr_RS@latin Srpski",
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"sv Svenska",
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"ta \340\256\244\340\256\256\340\256\277\340\256\264\340\257\215",
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"tg \320\242\320\276\322\267\320\270\320\272\323\243",
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"tr T\303\274rk\303\247e",
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"uk \320\243\320\272\321\200\320\260\321\227\320\275\321\201\321\214\320\272\320\260",
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"vi Ti\341\272\277ng Vi\341\273\207t",
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"zh_CN \344\270\255\346\226\207\357\274\210\347\256\200\344\275\223\357\274\211",
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"zh_TW \344\270\255\346\226\207\357\274\210\347\271\201\351\253\224\357\274\211",
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};
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TranslatableStrings tempNames;
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wxArrayString tempCodes;
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ReverseLangHash reverseHash;
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LangHash tempHash;
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const LangHash localLanguageName = []{
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LangHash localLanguageName;
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for ( auto utf8Name : utf8Names )
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{
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auto str = wxString::FromUTF8(utf8Name);
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auto code = str.BeforeFirst(' ');
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auto name = str.AfterFirst(' ');
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localLanguageName[code] = Verbatim( name );
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}
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return localLanguageName;
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}();
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auto audacityPathList = FileNames::AudacityPathList();
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#if defined(__WXGTK__)
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FileNames::AddUniquePathToPathList(
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wxString::Format(wxT("%s/share/locale"),
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wxT(INSTALL_PREFIX)),
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audacityPathList);
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#endif
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// For each language in our list we look for a corresponding entry in
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// wxLocale.
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for ( auto end = localLanguageName.end(), i = localLanguageName.begin();
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i != end; ++i )
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{
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const wxLanguageInfo *info = wxLocale::FindLanguageInfo(i->first);
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if (!info) {
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wxASSERT(info != NULL);
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continue;
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}
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wxString fullCode = info->CanonicalName;
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wxString code = fullCode.Left(2);
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auto name = Verbatim( info->Description );
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// Logic: Languages codes are sometimes hierarchical, with a
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// general language code and then a subheading. For example,
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// zh_TW for Traditional Chinese and zh_CN for Simplified
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// Chinese - but just zh for Chinese in general. First we look
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// for the full code, like zh_TW. If that doesn't exist, we
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// look for a code corresponding to the first two letters.
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// Note that if the language for a fullCode exists but we only
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// have a name for the short code, we will use the short code's
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// name but associate it with the full code. This allows someone
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// to drop in a NEW language and still get reasonable behavior.
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if (fullCode.length() < 2)
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continue;
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auto found = localLanguageName.find( code );
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if ( found != end ) {
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name = found->second;
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}
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found = localLanguageName.find( fullCode );
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if ( found != end ) {
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name = found->second;
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}
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if (TranslationExists(audacityPathList, fullCode)) {
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code = fullCode;
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}
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if (!tempHash[code].empty())
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continue;
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if (TranslationExists(audacityPathList, code) || code==wxT("en")) {
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tempCodes.push_back(code);
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tempNames.push_back(name);
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tempHash[code] = name;
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/* wxLogDebug(wxT("code=%s name=%s fullCode=%s name=%s -> %s"),
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code, localLanguageName[code],
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fullCode, localLanguageName[fullCode],
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name);*/
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}
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}
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// JKC: Adding language for simplified audacity.
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{
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wxString code;
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code = wxT("en-simple");
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auto name = XO("Simplified");
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if (TranslationExists(audacityPathList, code) ) {
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tempCodes.push_back(code);
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tempNames.push_back(name);
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tempHash[code] = name;
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}
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}
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// Sort
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unsigned int j;
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for(j=0; j<tempNames.size(); j++){
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reverseHash[tempNames[j]] = tempCodes[j];
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}
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std::sort( tempNames.begin(), tempNames.end(),
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[]( const TranslatableString &a, const TranslatableString &b ){
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return a.Translation() < b.Translation();
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} );
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// Add system language
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langNames.push_back(XO("System"));
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langCodes.push_back(wxT("System"));
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for(j=0; j<tempNames.size(); j++) {
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langNames.push_back(tempNames[j]);
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langCodes.push_back(reverseHash[tempNames[j]]);
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}
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}
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