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Diffstat (limited to '')
-rw-r--r-- | i18nlangtag/source/isolang/inwnt.cxx | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/i18nlangtag/source/isolang/inwnt.cxx b/i18nlangtag/source/isolang/inwnt.cxx new file mode 100644 index 000000000..76fe58b04 --- /dev/null +++ b/i18nlangtag/source/isolang/inwnt.cxx @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <sal/config.h> + +#include <windef.h> +#include <winbase.h> +#include <winnls.h> +#include <osl/mutex.hxx> +#include <osl/doublecheckedlocking.h> +#include <i18nlangtag/mslangid.hxx> + +static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW; +static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW; + + +static LanguageType GetSVLang( LANGID nWinLangId ) +{ + // No Translation, we work with the original MS code without the SORT_ID. + // So we can get never LANG-ID's from MS, which are currently not defined + // by us. + return LanguageType( static_cast<sal_uInt16>(nWinLangId & 0xffff)); +} + + +typedef LANGID (WINAPI *getLangFromEnv)(); + +static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage, + getLangFromEnv pGetUserDefault, getLangFromEnv pGetSystemDefault ) +{ + LanguageType nLang = rSystemLanguage; + if ( nLang == LANGUAGE_DONTKNOW ) + { + ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex()); + nLang = rSystemLanguage; + if ( nLang == LANGUAGE_DONTKNOW ) + { + LANGID nLangId; + + nLangId = pGetUserDefault(); + nLang = GetSVLang( nLangId ); + + if ( nLang == LANGUAGE_DONTKNOW ) + { + nLangId = pGetSystemDefault(); + nLang = GetSVLang( nLangId ); + } + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + rSystemLanguage = nLang; + } + else + { + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + } + } +} + + +LanguageType MsLangId::getPlatformSystemLanguage() +{ + getPlatformSystemLanguageImpl( nImplSystemLanguage, + &GetUserDefaultLangID, &GetSystemDefaultLangID); + return nImplSystemLanguage; +} + + +LanguageType MsLangId::getPlatformSystemUILanguage() +{ + // TODO: this could be distinguished, #if(WINVER >= 0x0500) + // needs _run_ time differentiation though, not at compile time. + getPlatformSystemLanguageImpl( nImplSystemUILanguage, + &GetUserDefaultUILanguage, &GetSystemDefaultUILanguage); + return nImplSystemUILanguage; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |