from Tkinter import *

# This program shows how to use the "after" function to make animation.

class Test(Frame):

    def printit(self):

        print "hi"

    def createWidgets(self):

        self.QUIT = Button(self, text='QUIT', foreground='red',

                           command=self.quit)

        self.QUIT.pack(side=LEFT, fill=BOTH)

        self.draw = Canvas(self, width="5i", height="5i")

        # all of these work..

        self.draw.create_rectangle(0, 0, 10, 10, tags="thing", fill="blue")

        self.draw.pack(side=LEFT)

    def moveThing(self, *args):

        # move 1/10 of an inch every 1/10 sec (1" per second, smoothly)

        self.draw.move("thing", "0.01i", "0.01i")

        self.after(10, self.moveThing)

    def __init__(self, master=None):

        Frame.__init__(self, master)

        Pack.config(self)

        self.createWidgets()

        self.after(10, self.moveThing)

test = Test()

test.mainloop()