1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // no include "precompiled_i18npool.hxx" because this file is included in insys.cxx 25 26 #include <sal/config.h> 27 28 #ifdef _MSC_VER 29 #pragma warning(push,1) // disable warnings within system headers 30 #endif 31 #include <windef.h> // needed by winnls.h 32 #include <winbase.h> // needed by winnls.h 33 #include <winnls.h> 34 #ifdef _MSC_VER 35 #pragma warning(pop) 36 #endif 37 #include <rtl/instance.hxx> 38 #include "i18npool/mslangid.hxx" 39 40 static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW; 41 static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW; 42 43 // ======================================================================= 44 45 static LanguageType GetSVLang( LANGID nWinLangId ) 46 { 47 // No Translation, we work with the original MS code without the SORT_ID. 48 // So we can get never LANG-ID's from MS, which are currently not defined 49 // by us. 50 return LanguageType( static_cast<sal_uInt16>(nWinLangId & 0xffff)); 51 } 52 53 // ----------------------------------------------------------------------- 54 55 typedef LANGID (WINAPI *getLangFromEnv)(); 56 57 static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage, 58 getLangFromEnv pGetUserDefault, getLangFromEnv pGetSystemDefault ) 59 { 60 LanguageType nLang = rSystemLanguage; 61 if ( nLang == LANGUAGE_DONTKNOW ) 62 { 63 ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex()); 64 nLang = rSystemLanguage; 65 if ( nLang == LANGUAGE_DONTKNOW ) 66 { 67 LANGID nLangId; 68 69 nLangId = (pGetUserDefault)(); 70 nLang = GetSVLang( nLangId ); 71 72 if ( nLang == LANGUAGE_DONTKNOW ) 73 { 74 nLangId = (pGetSystemDefault)(); 75 nLang = GetSVLang( nLangId ); 76 } 77 OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); 78 rSystemLanguage = nLang; 79 } 80 else 81 OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); 82 } 83 } 84 85 // ----------------------------------------------------------------------- 86 87 LanguageType MsLangId::getPlatformSystemLanguage() 88 { 89 getPlatformSystemLanguageImpl( nImplSystemLanguage, 90 &GetUserDefaultLangID, &GetSystemDefaultLangID); 91 return nImplSystemLanguage; 92 } 93 94 // ----------------------------------------------------------------------- 95 96 LanguageType MsLangId::getPlatformSystemUILanguage() 97 { 98 // TODO: this could be distinguished, #if(WINVER >= 0x0500) 99 // needs _run_ time differentiation though, not at compile time. 100 getPlatformSystemLanguageImpl( nImplSystemUILanguage, 101 &GetUserDefaultUILanguage, &GetSystemDefaultUILanguage); 102 return nImplSystemUILanguage; 103 } 104