Inserir "inserir número"

[Lima]

Boas, gostava de adicionar uma espécie de inserir número neste script

Código: [Selecionar]

#==============================================================================
# ** Lima
#------------------------------------------------------------------------------
# Recrutamento Quartel
#==============================================================================
class Lima_Recrutar <  Window_Base
  #----------------------------------------------------------------------------
  # * Inicialização do objeto
  #----------------------------------------------------------------------------
  def initialize
    super(0, 50, 544, 246)
    update
  end
  #----------------------------------------------------------------------------
  # * Atualização do objeto
  #----------------------------------------------------------------------------
  def update
    self.contents.clear
    self.contents.draw_text(42, 20, 300, 50,  "Contarii")
    draw_icon(4, 20, 32)
    self.contents.draw_text(210, 20, 300, 50,  "10")
    draw_icon(11, 180, 32)
    self.contents.draw_text(282, 20, 300, 50,  "30")
    draw_icon(10, 256, 32)
    self.contents.draw_text(354, 20, 300, 50,  "50")
    draw_icon(12, 326, 32)
    self.contents.draw_text(46, 60, 300, 50,  "Hoplita")
    draw_icon(6, 20, 72)
    self.contents.draw_text(210, 60, 300, 50,  "50")
    draw_icon(11, 180, 72)
    self.contents.draw_text(282, 60, 300, 50,  "10")
    draw_icon(10, 256, 72)
    self.contents.draw_text(354, 60, 300, 50,  "35")
    draw_icon(12, 326, 72)
    self.contents.draw_text(46, 100, 300, 50,  "Funditores")
    draw_icon(2, 20, 112)
    self.contents.draw_text(210, 100, 300, 50,  "50")
    draw_icon(11, 180, 112)
    self.contents.draw_text(282, 100, 300, 50,  "10")
    draw_icon(10, 256, 112)
    self.contents.draw_text(354, 100, 300, 50,  "35")
    draw_icon(12, 326, 112)   
    self.contents.draw_text(46, 140, 300, 50,  "Sagitários")
    draw_icon(1, 20, 152)
    self.contents.draw_text(210, 140, 300, 50,  "50")
    draw_icon(11, 180, 152)
    self.contents.draw_text(282, 140, 300, 50,  "10")
    draw_icon(10, 256, 152)
    self.contents.draw_text(354, 140, 300, 50,  "35")
    draw_icon(12, 326, 152) 
  end
end



De modo a ficar nessas quadrados vermelhos.