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beauty without brains

The GUI works, but doesn’t do anything

Nice interface, but it doesn‛t work.
When I click on a button, nothing
happens... I don‛t hear anything. What
happened to my cool sound effects?

The graphical user interface might
be ready, but the program is not
complete.

Q: So all tkinter gives me is the ability to draw the GUI? Q: That’s all that left, right, top, and bottom

stuff, isn’t it?
A: Well, yes, but there’s quite a lot of functionality wrapped up in
that small number of lines of tkinter code. A: Yes, as well as the padx and pady parameters. They
Q: That pack() method looks a little weird... how does it help with widget positioning, too, by putting additonal space (or
padding) around your buttons.
know where to put things? Q: OK, I get that, but how come nothing happens when I

A: The pack() method adopts a best-guess approach when click on my buttons?
it comes to packing your GUI widgets within your GUI application
window. This usually works out, and when it doesn’t, pack()’s A: Ah, funny you should ask that...
parameters give you some control over the situation.

238 Chapter 7