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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| #include "Localization.h" | ||
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| #include <algorithm> | ||
| #include <vector> | ||
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| #include "def.h" | ||
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| extern "C" | ||
| { | ||
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| EP_L10N_Language LangIDToEPLanguage(LANGID wLanguage) | ||
| { | ||
| EP_L10N_Language language = {}; | ||
| language.id = wLanguage; | ||
| GetLocaleInfoW(wLanguage, LOCALE_SNAME, language.wszId, ARRAYSIZE(language.wszId)); | ||
| GetLocaleInfoW(wLanguage, LOCALE_SLOCALIZEDLANGUAGENAME, language.wszDisplayName, ARRAYSIZE(language.wszDisplayName)); | ||
| return language; | ||
| } | ||
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| BOOL EP_L10N_ApplyPreferredLanguageForCurrentThread() | ||
| { | ||
| BOOL rv = FALSE; | ||
| HKEY hKey = nullptr; | ||
| RegCreateKeyExW( | ||
| HKEY_CURRENT_USER, | ||
| TEXT(REGPATH), | ||
| 0, | ||
| nullptr, | ||
| REG_OPTION_NON_VOLATILE, | ||
| KEY_READ | KEY_WOW64_64KEY, | ||
| nullptr, | ||
| &hKey, | ||
| nullptr | ||
| ); | ||
| if (hKey == nullptr || hKey == INVALID_HANDLE_VALUE) | ||
| { | ||
| hKey = nullptr; | ||
| } | ||
| if (hKey) | ||
| { | ||
| DWORD dwPreferredLanguage = 0; | ||
| DWORD dwSize = sizeof(dwPreferredLanguage); | ||
| LSTATUS lres = RegQueryValueExW( | ||
| hKey, | ||
| TEXT("Language"), | ||
| nullptr, | ||
| nullptr, | ||
| (LPBYTE)&dwPreferredLanguage, | ||
| &dwSize | ||
| ); | ||
| if (lres == ERROR_SUCCESS && dwPreferredLanguage != 0) | ||
| { | ||
| EP_L10N_Language language = LangIDToEPLanguage((LANGID)dwPreferredLanguage); | ||
| rv = SetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, language.wszId, nullptr); | ||
| } | ||
| else | ||
| { | ||
| rv = SetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, nullptr, nullptr); | ||
| } | ||
| RegCloseKey(hKey); | ||
| } | ||
| return rv; | ||
| } | ||
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| BOOL EP_L10N_GetCurrentUserLanguage(wchar_t* wszLanguage, int cch) | ||
| { | ||
| BOOL bOk = FALSE; | ||
| ULONG ulNumLanguages = 0; | ||
| ULONG cchLanguagesBuffer = 0; | ||
| if (GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, nullptr, &cchLanguagesBuffer)) | ||
| { | ||
| wchar_t* wszLanguagesBuffer = (wchar_t*)malloc(cchLanguagesBuffer * sizeof(wchar_t)); | ||
| if (wszLanguagesBuffer) | ||
| { | ||
| if (GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, wszLanguagesBuffer, &cchLanguagesBuffer)) | ||
| { | ||
| wcscpy_s(wszLanguage, cch, wszLanguagesBuffer); | ||
| bOk = TRUE; | ||
| } | ||
| free(wszLanguagesBuffer); | ||
| } | ||
| } | ||
| if (!bOk) | ||
| { | ||
| wcscpy_s(wszLanguage, cch, L"en-US"); | ||
| } | ||
| return TRUE; | ||
| } | ||
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| BOOL EP_L10N_GetCurrentThreadLanguage(wchar_t* wszLanguage, int cch) | ||
| { | ||
| BOOL bOk = FALSE; | ||
| ULONG ulNumLanguages = 0; | ||
| ULONG cchLanguagesBuffer = 0; | ||
| if (GetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, nullptr, &cchLanguagesBuffer)) | ||
| { | ||
| wchar_t* wszLanguagesBuffer = (wchar_t*)malloc(cchLanguagesBuffer * sizeof(wchar_t)); | ||
| if (wszLanguagesBuffer) | ||
| { | ||
| if (GetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, wszLanguagesBuffer, &cchLanguagesBuffer)) | ||
| { | ||
| wcscpy_s(wszLanguage, cch, wszLanguagesBuffer); | ||
| bOk = TRUE; | ||
| } | ||
| free(wszLanguagesBuffer); | ||
| } | ||
| } | ||
| if (!bOk) | ||
| { | ||
| wcscpy_s(wszLanguage, cch, L"en-US"); | ||
| } | ||
| return TRUE; | ||
| } | ||
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| void EP_L10N_EnumerateLanguages(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName, EP_L10N_EnumerateLanguagesProc_t pfnProc, void* data) | ||
| { | ||
| std::vector<EP_L10N_Language> languages; | ||
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| // English (US) is our primary language | ||
| languages.push_back(LangIDToEPLanguage(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US))); | ||
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| // Add the rest below it | ||
| EnumResourceLanguagesW(hModule, lpType, lpName, [](HMODULE, LPCWSTR, LPCWSTR, WORD wLanguage, LONG_PTR lParam) -> BOOL | ||
| { | ||
| if (wLanguage != MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US)) | ||
| { | ||
| EP_L10N_Language language = LangIDToEPLanguage(wLanguage); | ||
| ((std::vector<EP_L10N_Language>*)lParam)->push_back(language); | ||
| } | ||
| return TRUE; | ||
| }, (LONG_PTR)&languages); | ||
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| // Sort the non-primary languages by localized display name | ||
| std::sort(languages.begin() + 1, languages.end(), [](const EP_L10N_Language& a, const EP_L10N_Language& b) -> bool | ||
| { | ||
| return wcscmp(a.wszDisplayName, b.wszDisplayName) < 0; | ||
| }); | ||
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| // Call the callback for each language | ||
| for (const EP_L10N_Language& language : languages) | ||
| { | ||
| pfnProc(&language, data); | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #pragma once | ||
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| #include <Windows.h> | ||
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| #ifdef __cplusplus | ||
| extern "C" | ||
| { | ||
| #endif | ||
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| typedef struct EP_L10N_Language | ||
| { | ||
| LANGID id; | ||
| wchar_t wszId[LOCALE_NAME_MAX_LENGTH]; | ||
| wchar_t wszDisplayName[LOCALE_NAME_MAX_LENGTH]; | ||
| } EP_L10N_Language; | ||
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| typedef void(*EP_L10N_EnumerateLanguagesProc_t)(const EP_L10N_Language* language, void* data); | ||
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| BOOL EP_L10N_ApplyPreferredLanguageForCurrentThread(); | ||
| BOOL EP_L10N_GetCurrentUserLanguage(wchar_t* wszLanguage, int cch); | ||
| BOOL EP_L10N_GetCurrentThreadLanguage(wchar_t* wszLanguage, int cch); | ||
| void EP_L10N_EnumerateLanguages(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName, EP_L10N_EnumerateLanguagesProc_t pfnProc, void* data); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif |
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