Demo/tkinter/matt/animation-simple.py

   1 from Tkinter import *
   2
   3 # This program shows how to use the "after" function to make animation.
   4
   5 class Test(Frame):
   6     def printit(self):
   7         print "hi"
   8
   9     def createWidgets(self):
  10         self.QUIT = Button(self, text='QUIT', foreground='red',
  11                            command=self.quit)
  12         self.QUIT.pack(side=LEFT, fill=BOTH)
  13
  14         self.draw = Canvas(self, width="5i", height="5i")
  15
  16         # all of these work..
  17         self.draw.create_rectangle(0, 0, 10, 10, tags="thing", fill="blue")
  18         self.draw.pack(side=LEFT)
  19
  20     def moveThing(self, *args):
  21         # move 1/10 of an inch every 1/10 sec (1" per second, smoothly)
  22         self.draw.move("thing", "0.01i", "0.01i")
  23         self.after(10, self.moveThing)
  24
  25
  26     def __init__(self, master=None):
  27         Frame.__init__(self, master)
  28         Pack.config(self)
  29         self.createWidgets()
  30         self.after(10, self.moveThing)
  31
  32
  33 test = Test()
  34
  35 test.mainloop()