#!/usr/bin/ruby require 'tk' require 'tkextlib/tcllib/datefield' require 'parsedate' Tk.root.title('Datefield example') my_date1 = TkVariable.new my_date2 = TkVariable.new my_date1.trace('w'){ begin t = Time.local(*(ParseDate.parsedate(my_date1.value))) my_date2.value = t.strftime('%A') rescue # ignore error end } df = Tk::Tcllib::Datefield.new(:textvariable=>my_date1) Tk.grid(TkLabel.new(:text=>'Enter a date:', :anchor=>:e), df, :sticky=>:ew) Tk.grid(TkLabel.new(:text=>'That date ia a:', :anchor=>:e), TkLabel.new(:textvariable=>my_date2, :relief=>:sunken, :width=>12), :sticky=>:ew) df.set_focus Tk.mainloop