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from Tkinter import *
# This is a program that tests the placer geom manager in conjunction with
# the packer. The background (green) is packed, while the widget inside is placed
def do_motion(event):
app.button.place(x=event.x, y=event.y)
def dothis():
print 'calling me!'
def createWidgets(top):
# make a frame. Note that the widget is 200 x 200
# and the window containing is 400x400. We do this
# simply to show that this is possible. The rest of the
# area is inaccesssible.
f = Frame(top, width=200, height=200, background='green')
# note that we use a different manager here.
# This way, the top level frame widget resizes when the
# application window does.
f.pack(fill=BOTH, expand=1)
# now make a button
f.button = Button(f, foreground='red', text='amazing', command=dothis)
# and place it so that the nw corner is
# 1/2 way along the top X edge of its' parent
f.button.place(relx=0.5, rely=0.0, anchor=NW)
# allow the user to move the button SUIT-style.
f.bind('<Control-Shift-Motion>', do_motion)
return f
root = Tk()
app = createWidgets(root)
root.geometry("400x400")
root.maxsize(1000, 1000)
root.mainloop()
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