# File lib/luck/textbox.rb, line 49
  def handle_char char
    if char == "\n" && !@multiline
      handler.call self, @text if handler
      self.value = ''
    elsif char == :backspace
      if @index > 0
        @index -= 1
        @text.slice! @index, 1
      end
    elsif char == :delete
      if @index < @text.size
        @text.slice! @index, 1
      end
    elsif char == :left
      @index -= 1 if @index > 0
    elsif char == :right
      @index += 1 if @index < @text.size
    elsif char == :home
      @index = 0
    elsif char == :end
      @index = @text.size
    elsif char.is_a? String
      if text.size < width
        @text.insert @index, char
        @index += 1
      end
    end
    redraw
  end