From: Sard Aukary <sardaukary@...>
Date: 2006-09-08T20:42:27+09:00
Subject: Non blocking keypress reading?

On Windows XP is there a way to test that a certain key has been pressed 
without blocking?

I’ve tried using curses but it blocks the current thread and any other 
thread until a key is pressed.


I want to give the user 10 seconds so make a selection before a default 
action is taken.

Here is the test code I’ve got;


	require 'curses'
	include Curses
	init_screen
	noecho
	trap(0) { echo }

	t1 = Time.new
	Thread.new do

		#example timer thread
		while(true) do
		x = Time.new - t1
		h = 3+3
		setpos(12,10)

	  addstr("#{x}")

	end
	end

	setpos(1,5)
	addstr("Please select your location")
	setpos(3,5)
	addstr("  1 - Work")
	setpos(4,5)
	addstr("  2 - Home")
	setpos(6,5)
	addstr("Esc - Exit")
	while (c = getch) != ?\e do
	 # check what key is pressed and do stuff
	end

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