# File: curses1.py
#
# A sample program to demonstrate use of
# the curses module.
# 
# See documentation in:
# https://docs.python.org/3.4/howto/curses.html

import curses

print("Press arrow keys, or 'q' to quit.")
input("Press enter to continue.")

# start curses
stdscr = curses.initscr()

# don't print to screen
curses.noecho()

# don't wait for 'enter' to be pressed
curses.cbreak()

# map special keys to curses constants
stdscr.keypad(1)


# infinite loop until Boolean flag
# done is set to True.


done = False
while not done:

   # get a character
   c = stdscr.getch()

   # check direction keys or 'q' for quit

   if c == curses.KEY_LEFT :
      print("left\r")   # print \r for carriage return

   elif c == curses.KEY_RIGHT :
      print("right\r")

   elif c == curses.KEY_UP :
      print("up\r")

   elif c == curses.KEY_DOWN :
      print("down\r")

   elif c == ord('q'):
      done = True

   else:
      print(".\r")

# end of while not done

# restore things to normal
stdscr.keypad(0)
curses.nocbreak()
curses.echo()
curses.endwin()