On Mon, 25 Oct 1999, Bernhard Herzog wrote:
> WroBELL <[EMAIL PROTECTED]> writes:
>
> > On Mon, 25 Oct 1999, James Henstridge wrote:
> >
> > > It is not currently possible to do this with pygtk. The GTK+ type system
> > > is one part of gtk that is difficult wrap. What do you need the
> > > functionality for?
> > I need it for dialog which should emit "add_data" signal
> > when "Add" button is pressed. Hmmm... Nevermind, I will
> > connect directly to the button (it is dirty, but will
> > work).
>
> FWIW, Sketch contains a pretty generic mechanism for this kind of thing.
> It's pure Python and completely toolkit/platform independent.
>
> You would simply derive your dialog class from the Publisher class.
> Publisher defines methods for subscribing and unsubscribing from
> messages, so somewhere else in your code you would have something like
>
> dialog.Subscribe('add_data', add_data_function)
>
> The different signal types are identified by strings.
>
> The dialog would then call
>
> self.issue('add_data')
>
> or, to pass arguments to the subscribers,
>
> self.issue('add_data', data1, data2) # arbitrary arguments are allowed here
>
> whenever the add button is pressed.
>
> IMO, if you already use Python, it makes more sense to implement
> mechanisms like this in Python than going through GTK.
>
> If you already have Sketch, it's in Sketch/Base/connector.py. If there's
> enough interest, I can make it available separately and write up some
> documentation.
I think it would a great idea.
WroBELL <[EMAIL PROTECTED]>
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