#!/usr/bin/env python2
import curses

# initialize curses
stdscr = curses.initscr ()
curses.noecho ()
stdscr.keypad (1)
curses.typeahead (-1)
stdscr.scrollok (1)

c = 0
stdscr.addstr ("Simple Curses Demo in Python")
while c != 27:

	(y, x) = stdscr.getyx ()

	if c == curses.KEY_UP and y - 1 >= 0:
		y = y - 1
	elif c == curses.KEY_DOWN and y + 1 < curses.LINES - 1:
		y = y + 1
	elif c == curses.KEY_LEFT and x - 1 >= 0:
		x = x - 1
	elif c == curses.KEY_RIGHT and x + 1 < curses.COLS - 1:
		x = x + 1
	elif (c <= 90 and c >= 65) or (c <= 122 and c >= 97):
		stdscr.addch (c)
	else:
		curses.beep ()

	stdscr.move (y, x)
	c = stdscr.getch ()
	curses.flushinp ()

# restore screen
curses.echo()
curses.endwin()