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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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21
22
23
24 // no include "precompiled_i18nisolang.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
GetSVLang(LANGID nWinLangId)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
getPlatformSystemLanguageImpl(LanguageType & rSystemLanguage,getLangFromEnv pGetUserDefault,getLangFromEnv pGetSystemDefault)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
getPlatformSystemLanguage()87 LanguageType MsLangId::getPlatformSystemLanguage()
88 {
89 getPlatformSystemLanguageImpl( nImplSystemLanguage,
90 &GetUserDefaultLangID, &GetSystemDefaultLangID);
91 return nImplSystemLanguage;
92 }
93
94 // -----------------------------------------------------------------------
95
getPlatformSystemUILanguage()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