Amrsatrio
2 years ago
13 changed files with 311 additions and 132 deletions
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Subproject commit d09fb3722cda34c082a1bb2645224a85af1d27e8 |
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Subproject commit bbf908d31cc0b66f62a205f3e6eaafb2439f47d2 |
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#include "Localization.h" |
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#include <algorithm> |
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#include <vector> |
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#include "def.h" |
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extern "C" |
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{ |
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EP_L10N_Language LangIDToEPLanguage(LANGID wLanguage) |
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{ |
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EP_L10N_Language language = {}; |
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language.id = wLanguage; |
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GetLocaleInfoW(wLanguage, LOCALE_SNAME, language.wszId, ARRAYSIZE(language.wszId)); |
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GetLocaleInfoW(wLanguage, LOCALE_SLOCALIZEDLANGUAGENAME, language.wszDisplayName, ARRAYSIZE(language.wszDisplayName)); |
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return language; |
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} |
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BOOL EP_L10N_ApplyPreferredLanguageForCurrentThread() |
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{ |
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BOOL rv = FALSE; |
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HKEY hKey = nullptr; |
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RegCreateKeyExW( |
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HKEY_CURRENT_USER, |
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TEXT(REGPATH), |
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0, |
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nullptr, |
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REG_OPTION_NON_VOLATILE, |
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KEY_READ | KEY_WOW64_64KEY, |
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nullptr, |
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&hKey, |
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nullptr |
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); |
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if (hKey == nullptr || hKey == INVALID_HANDLE_VALUE) |
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{ |
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hKey = nullptr; |
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} |
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if (hKey) |
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{ |
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DWORD dwPreferredLanguage = 0; |
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DWORD dwSize = sizeof(dwPreferredLanguage); |
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LSTATUS lres = RegQueryValueExW( |
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hKey, |
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TEXT("Language"), |
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nullptr, |
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nullptr, |
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(LPBYTE)&dwPreferredLanguage, |
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&dwSize |
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); |
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if (lres == ERROR_SUCCESS && dwSize > 0) |
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{ |
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EP_L10N_Language language = LangIDToEPLanguage(dwPreferredLanguage); |
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rv = SetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, language.wszId, nullptr); |
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} |
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RegCloseKey(hKey); |
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} |
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return rv; |
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} |
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BOOL EP_L10N_GetCurrentUserLanguage(wchar_t* wszLanguage, int cch) |
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{ |
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BOOL bOk = FALSE; |
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ULONG ulNumLanguages = 0; |
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ULONG cchLanguagesBuffer = 0; |
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if (GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, nullptr, &cchLanguagesBuffer)) |
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{ |
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wchar_t* wszLanguagesBuffer = (wchar_t*)malloc(cchLanguagesBuffer * sizeof(wchar_t)); |
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if (wszLanguagesBuffer) |
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{ |
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if (GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, wszLanguagesBuffer, &cchLanguagesBuffer)) |
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{ |
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wcscpy_s(wszLanguage, cch, wszLanguagesBuffer); |
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bOk = TRUE; |
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} |
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free(wszLanguagesBuffer); |
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} |
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} |
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if (!bOk) |
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{ |
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wcscpy_s(wszLanguage, cch, L"en-US"); |
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} |
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return TRUE; |
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} |
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BOOL EP_L10N_GetCurrentThreadLanguage(wchar_t* wszLanguage, int cch) |
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{ |
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BOOL bOk = FALSE; |
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ULONG ulNumLanguages = 0; |
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ULONG cchLanguagesBuffer = 0; |
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if (GetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, nullptr, &cchLanguagesBuffer)) |
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{ |
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wchar_t* wszLanguagesBuffer = (wchar_t*)malloc(cchLanguagesBuffer * sizeof(wchar_t)); |
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if (wszLanguagesBuffer) |
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{ |
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if (GetThreadPreferredUILanguages(MUI_LANGUAGE_NAME, &ulNumLanguages, wszLanguagesBuffer, &cchLanguagesBuffer)) |
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{ |
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wcscpy_s(wszLanguage, cch, wszLanguagesBuffer); |
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bOk = TRUE; |
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} |
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free(wszLanguagesBuffer); |
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} |
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} |
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if (!bOk) |
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{ |
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wcscpy_s(wszLanguage, cch, L"en-US"); |
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} |
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return TRUE; |
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} |
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void EP_L10N_EnumerateLanguages(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName, EP_L10N_EnumerateLanguagesProc_t pfnProc, void* data) |
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{ |
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std::vector<EP_L10N_Language> languages; |
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// English (US) is our primary language
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languages.push_back(LangIDToEPLanguage(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US))); |
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// Add the rest below it
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EnumResourceLanguagesW(hModule, lpType, lpName, [](HMODULE, LPCWSTR, LPCWSTR, WORD wLanguage, LONG_PTR lParam) -> BOOL |
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{ |
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if (wLanguage != MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US)) |
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{ |
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EP_L10N_Language language = LangIDToEPLanguage(wLanguage); |
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((std::vector<EP_L10N_Language>*)lParam)->push_back(language); |
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} |
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return TRUE; |
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}, (LONG_PTR)&languages); |
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// Sort the non-primary languages by localized display name
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std::sort(languages.begin() + 1, languages.end(), [](const EP_L10N_Language& a, const EP_L10N_Language& b) -> bool |
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{ |
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return wcscmp(a.wszDisplayName, b.wszDisplayName) < 0; |
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}); |
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// Call the callback for each language
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for (const EP_L10N_Language& language : languages) |
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{ |
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pfnProc(&language, data); |
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} |
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} |
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} |
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@ -0,0 +1,26 @@
@@ -0,0 +1,26 @@
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#pragma once |
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#include <Windows.h> |
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#ifdef __cplusplus |
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extern "C" |
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{ |
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#endif |
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typedef struct EP_L10N_Language |
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{ |
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LANGID id; |
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wchar_t wszId[LOCALE_NAME_MAX_LENGTH]; |
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wchar_t wszDisplayName[LOCALE_NAME_MAX_LENGTH]; |
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} 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(); |
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BOOL EP_L10N_GetCurrentUserLanguage(wchar_t* wszLanguage, int cch); |
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BOOL EP_L10N_GetCurrentThreadLanguage(wchar_t* wszLanguage, int cch); |
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void EP_L10N_EnumerateLanguages(HMODULE hModule, LPCWSTR lpType, LPCWSTR lpName, EP_L10N_EnumerateLanguagesProc_t pfnProc, void* data); |
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#ifdef __cplusplus |
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} |
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#endif |
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