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',
  11                                   'fg': 'red',
  12                                   'command': self.quit})
  13         self.QUIT.pack({'side': 'left', 'fill': 'both'})
  14
  15         self.draw = Canvas(self, {"width" : "5i", "height" : "5i"})
  16
  17         # all of these work..
  18         self.draw.create_polygon("0", "0", "10", "0", "10", "10", "0" , "10", {"tags" : "thing"})
  19         self.draw.pack({'side': 'left'})
  20
  21     def moveThing(self, *args):
  22         # move 1/10 of an inch every 1/10 sec (1" per second, smoothly)
  23         self.draw.move("thing", "0.01i", "0.01i")
  24         self.after(10, self.moveThing)
  25
  26
  27     def __init__(self, master=None):
  28         Frame.__init__(self, master)
  29         Pack.config(self)
  30         self.createWidgets()
  31         self.after(10, self.moveThing)
  32
  33
  34 test = Test()
  35
  36 test.mainloop()