1 from Tkinter import *

     2 

     3 # this file demonstrates the creation of widgets as part of a canvas object

     4 

     5 class Test(Frame):

     6     def printhi(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=BOTTOM, fill=BOTH)

    13 

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

    15 

    16         self.button = Button(self, text="this is a button",

    17                              command=self.printhi)

    18 

    19         # note here the coords are given in pixels (form the

    20         # upper right and corner of the window, as usual for X)

    21         # but might just have well been given in inches or points or

    22         # whatever...use the "anchor" option to control what point of the

    23         # widget (in this case the button) gets mapped to the given x, y.

    24         # you can specify corners, edges, center, etc...

    25         self.draw.create_window(300, 300, window=self.button)

    26 

    27         self.draw.pack(side=LEFT)

    28 

    29     def __init__(self, master=None):

    30         Frame.__init__(self, master)

    31         Pack.config(self)

    32         self.createWidgets()

    33 

    34 test = Test()

    35 

    36 test.mainloop()