jpayne@69: """turtledemo.two_canvases
jpayne@69: 
jpayne@69: Use TurtleScreen and RawTurtle to draw on two
jpayne@69: distinct canvases in a separate windows. The
jpayne@69: new window must be separately closed in
jpayne@69: addition to pressing the STOP button.
jpayne@69: """
jpayne@69: 
jpayne@69: from turtle import TurtleScreen, RawTurtle, TK
jpayne@69: 
jpayne@69: def main():
jpayne@69:     root = TK.Tk()
jpayne@69:     cv1 = TK.Canvas(root, width=300, height=200, bg="#ddffff")
jpayne@69:     cv2 = TK.Canvas(root, width=300, height=200, bg="#ffeeee")
jpayne@69:     cv1.pack()
jpayne@69:     cv2.pack()
jpayne@69: 
jpayne@69:     s1 = TurtleScreen(cv1)
jpayne@69:     s1.bgcolor(0.85, 0.85, 1)
jpayne@69:     s2 = TurtleScreen(cv2)
jpayne@69:     s2.bgcolor(1, 0.85, 0.85)
jpayne@69: 
jpayne@69:     p = RawTurtle(s1)
jpayne@69:     q = RawTurtle(s2)
jpayne@69: 
jpayne@69:     p.color("red", (1, 0.85, 0.85))
jpayne@69:     p.width(3)
jpayne@69:     q.color("blue", (0.85, 0.85, 1))
jpayne@69:     q.width(3)
jpayne@69: 
jpayne@69:     for t in p,q:
jpayne@69:         t.shape("turtle")
jpayne@69:         t.lt(36)
jpayne@69: 
jpayne@69:     q.lt(180)
jpayne@69: 
jpayne@69:     for t in p, q:
jpayne@69:         t.begin_fill()
jpayne@69:     for i in range(5):
jpayne@69:         for t in p, q:
jpayne@69:             t.fd(50)
jpayne@69:             t.lt(72)
jpayne@69:     for t in p,q:
jpayne@69:         t.end_fill()
jpayne@69:         t.lt(54)
jpayne@69:         t.pu()
jpayne@69:         t.bk(50)
jpayne@69: 
jpayne@69:     return "EVENTLOOP"
jpayne@69: 
jpayne@69: 
jpayne@69: if __name__ == '__main__':
jpayne@69:     main()
jpayne@69:     TK.mainloop()  # keep window open until user closes it