FastCopy/FastCopyShellExtension/CopyOperationNames.cpp at 9915622a97f7b077e152effe258644a4c4bb05eb · HO-COOH/FastCopy · GitHub

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#include "CopyOperationNames.h"
#include <Windows.h>
#include <algorithm>

static std::wstring getDefaultLanguage()
{
    ULONG bytes{};
    ULONG numLanguages{};
    GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &numLanguages, nullptr, &bytes);
    std::wstring buffer(bytes, {});
    GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &numLanguages, buffer.data(), &bytes);
    return std::wstring{ buffer.data() };
}

CopyOperationNames& CopyOperationNames::GetInstance()
{
    static CopyOperationNames s_instance = []
    {
        auto defaultLang = getDefaultLanguage();
        std::transform(defaultLang.begin(), defaultLang.end(), defaultLang.begin(), [](wchar_t c) { return towlower(c); });
        if (defaultLang == L"en-us")
        {
            return CopyOperationNames
            {
                .Copy = L"Copy",
                .Move = L"Move",
                .Paste = L"Paste",
                .Delete = L"Delete"
            };
        }
        else if (defaultLang == L"zh-cn")
        {
            return CopyOperationNames
            {
                .Copy = L"复制",
                .Move = L"剪切",
                .Paste = L"粘贴",
                .Delete = L"删除"
            };
        }
        else if (defaultLang == L"de-de")
        {
            return CopyOperationNames
            {
                .Copy = L"Kopieren",
                .Move = L"Verschieben",
                .Paste = L"Einfügen",
                .Delete = L"Löschen"
            };
        }
        else if (defaultLang == L"es-es")
        {
            return CopyOperationNames
            {
                .Copy = L"Copiar",
                .Move = L"Mover",
                .Paste = L"Pegar",
                .Delete = L"Borrar"
            };
        }
        else if (defaultLang == L"zh-tw")
        {
            return CopyOperationNames
            {
                .Copy = L"複製",
                .Move = L"移動",
                .Paste = L"貼上",
                .Delete = L"刪除"
            };
        }
        //Add more languages here
    }();
    return s_instance;
}