1#!/usr/bin/env ruby 2require 'tk' 3require 'tkextlib/iwidgets' 4 5TkOption.add('*textBackground', 'white') 6 7Tk::Iwidgets::Spinint.new(:labeltext=>'Temperature', :labelpos=>:w, :width=>5, 8 :fixed=>true, :range=>[32, 212]).pack(:pady=>10) 9 10Tk.mainloop 11