1 from Tkinter import *

     2 

     3 # This is a program that tests the placer geom manager in conjunction with

     4 # the packer. The background (green) is packed, while the widget inside is placed

     5 

     6 

     7 def do_motion(event):

     8     app.button.place(x=event.x, y=event.y)

     9 

    10 def dothis():

    11     print 'calling me!'

    12 

    13 def createWidgets(top):

    14     # make a frame. Note that the widget is 200 x 200

    15     # and the window containing is 400x400. We do this

    16     # simply to show that this is possible. The rest of the

    17     # area is inaccesssible.

    18     f = Frame(top, width=200, height=200, background='green')

    19 

    20     # note that we use a different manager here.

    21     # This way, the top level frame widget resizes when the

    22     # application window does.

    23     f.pack(fill=BOTH, expand=1)

    24 

    25     # now make a button

    26     f.button = Button(f, foreground='red', text='amazing', command=dothis)

    27 

    28     # and place it so that the nw corner is

    29     # 1/2 way along the top X edge of its' parent

    30     f.button.place(relx=0.5, rely=0.0, anchor=NW)

    31 

    32     # allow the user to move the button SUIT-style.

    33     f.bind('<Control-Shift-Motion>', do_motion)

    34 

    35     return f

    36 

    37 root = Tk()

    38 app = createWidgets(root)

    39 root.geometry("400x400")

    40 root.maxsize(1000, 1000)

    41 root.mainloop()