Module: MakeMenu::Console::Prompter

Defined in:
lib/make_menu/console/prompter.rb

Constant Summary collapse

PressedEscape = 
Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.prompt(text = '', obscure: false) ⇒ Object 



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# File 'lib/make_menu/console/prompter.rb', line 10

def self.prompt(text = '', obscure: false)
  print text

  input = ''
  char = ''

  until !char.empty? && char.ord == 13
    char = $stdin.getch

    case char.ord
    when 127
      # BACKSPACE
      input = input[0..-2]
      print "\r#{text}#{' ' * input.size} "
      print "\r#{text}#{obscure ? '*' * input.size : input}"

    when 27
      # ESC
      raise PressedEscape

    when 13
      # ENTER

    else
      input += char
      if obscure
        print '*'
      else
        print char
      end
    end
  end

  input
end