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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()
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