James> I originally sent this as private mail to David, but he suggested
James> I repost it here as well.
...
James> 2. GTK has a signal system to handle notifications. Arbitrary
James> numbers of callbacks can be attached to signals. PyGTK has a
James> generic marshal function to handle all signal callbacks, which
James> uses introspection to handle the different signatures.
I won't make any attempt to understand the threading issues James
identified, but will point out for those python-dev readers unfamiliar with
GTK that its signals are really nothing like Unix signals. It's more like a
software bus. A GTK programmer attaches listeners to the bus and when the
appropriate signal comes down the bus listeners interested in that signal
respond.
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