| Guido van Rossum | 35820f7 | 1994-10-07 09:55:26 +0000 | [diff] [blame^] | 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() |