Function internalUTF8MoveRight

core/ui/UITextFieldEx.cpp:195–214

}

static std::string internalUTF8MoveRight(std::string_view utf8Text, int length /* default utf8Text.length() */)
{
    if (!utf8Text.empty() && length >= 0)
    {

        // get the delete byte number
        size_t addLen = 1;  // default, erase 1 byte

        while ((length + addLen) < utf8Text.size() && 0x80 == (0xC0 & utf8Text.at(length + addLen)))
        {
            ++addLen;
        }

        return std::string{utf8Text.data(), static_cast<size_t>(length + addLen)};
    }
    else
    {
        return std::string{utf8Text};
    }
}

//////////////////////////////////////////////////////////////////////////
// constructor and destructor