""" KBHIT-test.py
    Shlomo Solomon    
    program to demonstrate the use of kbhit and getch in LINUX """
    
import KBHIT
kbd = KBHIT.KBHit()  # define a keyboard object


def get_input():
    """ use kbhit and getch to get keyboard input """
    key_code = 0
    key_char = None
    if kbd.kbhit():    
        print "hit ",
        key_char = kbd.getch()
        key_code = ord(key_char)
        
        if key_code == KBHIT.ENTER: 
            print "ENTER"
        elif key_code == KBHIT.TAB: 
            print "TAB" 
        elif key_code == KBHIT.BACKSPACE: 
            print "BACKSPACE" 
        elif key_code == KBHIT.ESC: 
            print "ESCAPE" 
        else:
	    print key_char, "code=", key_code 
    return key_code, key_char


def main():
    """ main runs until Escape is hit """
    print "Starting test program - waiting for input"
    print "Hit ESC to end the test"
    key_code = 0
    while key_code != KBHIT.ESC:
        key_code, key_char = get_input()
    print "End of test"


if __name__ == "__main__":
    main()