protected override void InputTemplate(OffscreenBuffer screenBuffer)
{
screenBuffer.WritePrompt(_message);
if (_defaultValue.HasValue)
{
screenBuffer.Write($"({_defaultValue.Value}) ");
}
var(left, top) = screenBuffer.GetCursorPosition();
var input = _inputBuffer.ToString();
screenBuffer.Write(input);
var width = EastAsianWidth.GetWidth(input.Take(_startIndex)) + left;
screenBuffer.SetCursorPosition(width % screenBuffer.BufferWidth, top + (width / screenBuffer.BufferWidth));
}
