#!/usr/bin/env python

"""
 Graphics program that lets
 the user click three times
 and then draws a red triangle there.


"""

from graphics import *

def say(string, win, which_line):
	where = Point(100, 20 + 20 * which_line)
	text = Text(where, string)
	text.draw(win)

def get_point(win, which_line):
	point = win.getMouse()
	message = 'You clicked at ' + \
	          str(point.getX()) + ' ' + \
	          str(point.getY())
	say(message, win, which_line)
	return point

# --- didn't work
# def unsay(string):
#	where = Point(100,20)
#	text = Text(where, string)
#	text.undraw()

def main():
	window = GraphWin("Triangle Demo", 700, 700)
	say('Please click three times.', window, 0)
	point1 = get_point(window, 1)
	point2 = get_point(window, 2)
	point3 = get_point(window, 3)
	triangle = Polygon(point1, point2, point3)
	triangle.setFill('red')
	triangle.draw(window)
	string = input('type something')

main()