From: SpringFlowers AutumnMoon <summercoolness@...>
Date: 2007-09-26T21:08:44+09:00
Subject: Re: how to use Ruby / Tk to display a text message status box


> SpringFlowers AutumnMoon wrote:
>
> If our program is running and displaying its intermediate calculations,
> instead of showing the final result at the end, i hope to have aTk
> window just to show the semi-final results.

the following program can do what the Perl program can do.
right now i don't know Tk enough to check when the GUI window is closed 
by the user and therefore don't do any text update.

require 'tk'

tk = TkRoot.new
text = TkText.new(tk).pack()

i = 0
n = 10000

while i += 1
  TclTkLib.do_one_event(TclTkLib::EventFlag::ALL | 
TclTkLib::EventFlag::DONT_WAIT)
  if i % n == 0
    text.delete('1.0', 'end')
    text.insert('end', "This is GUI %d \n" % (i / n))
    text.insert('end', "Time is %s" % Time.now.strftime("%Y-%m-%d 
%I:%M:%S"))
    printf "This is command line %d ", i / n
  end
end


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