jpayne@68: """turtledemo.two_canvases
jpayne@68: 
jpayne@68: Use TurtleScreen and RawTurtle to draw on two
jpayne@68: distinct canvases in a separate windows. The
jpayne@68: new window must be separately closed in
jpayne@68: addition to pressing the STOP button.
jpayne@68: """
jpayne@68: 
jpayne@68: from turtle import TurtleScreen, RawTurtle, TK
jpayne@68: 
jpayne@68: def main():
jpayne@68:     root = TK.Tk()
jpayne@68:     cv1 = TK.Canvas(root, width=300, height=200, bg="#ddffff")
jpayne@68:     cv2 = TK.Canvas(root, width=300, height=200, bg="#ffeeee")
jpayne@68:     cv1.pack()
jpayne@68:     cv2.pack()
jpayne@68: 
jpayne@68:     s1 = TurtleScreen(cv1)
jpayne@68:     s1.bgcolor(0.85, 0.85, 1)
jpayne@68:     s2 = TurtleScreen(cv2)
jpayne@68:     s2.bgcolor(1, 0.85, 0.85)
jpayne@68: 
jpayne@68:     p = RawTurtle(s1)
jpayne@68:     q = RawTurtle(s2)
jpayne@68: 
jpayne@68:     p.color("red", (1, 0.85, 0.85))
jpayne@68:     p.width(3)
jpayne@68:     q.color("blue", (0.85, 0.85, 1))
jpayne@68:     q.width(3)
jpayne@68: 
jpayne@68:     for t in p,q:
jpayne@68:         t.shape("turtle")
jpayne@68:         t.lt(36)
jpayne@68: 
jpayne@68:     q.lt(180)
jpayne@68: 
jpayne@68:     for t in p, q:
jpayne@68:         t.begin_fill()
jpayne@68:     for i in range(5):
jpayne@68:         for t in p, q:
jpayne@68:             t.fd(50)
jpayne@68:             t.lt(72)
jpayne@68:     for t in p,q:
jpayne@68:         t.end_fill()
jpayne@68:         t.lt(54)
jpayne@68:         t.pu()
jpayne@68:         t.bk(50)
jpayne@68: 
jpayne@68:     return "EVENTLOOP"
jpayne@68: 
jpayne@68: 
jpayne@68: if __name__ == '__main__':
jpayne@68:     main()
jpayne@68:     TK.mainloop()  # keep window open until user closes it