Fredrik Lundh wrote:
> note that you're assigning all buttons to the same instance variable, so
> even if the above did work, it would always return a plus.
>
> since the command callback doesn't know what widget it was called
> from, you need to create a separate callback for each widget. here's
> one way to do that:
>
> for x in range(4):
> for y in range(4):
> text = i[t] # label text
> def callback():
> self.pressed(text)
Change the above function to
def callback(text=text):
self.pressed(text)
Otherwise you have distinct callbacks, but they are still all seeing the
same 'text' variable, probably bound to "+" by the time you press a button.
Peter
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