Re: Setting properties of a widget.
Axel Simon <[email protected]>
| Newsgroups | gmane.comp.lang.haskell.gui |
|---|---|
| Message-ID | <[email protected]> |
On Tue, Apr 01, 2003 at 01:22:45AM +0100, Glynn Clements wrote: > > Axel Simon wrote: > > > > > d) setting a property and getting a result > > > > > > This would be most useful for setting callbacks and > > > returning the removeHandler. Is there any other place > > > where this would be useful? Perhaps this is a special > > > case? > > > > Might be. But callbacks are very important and there will be plenty of > > them. So it would be nice to have the same infrastructure for them as for > > the other attributes. > > I don't think that it makes sense to treat callbacks as attributes. > The underlying UI toolkits don't generally take this approach. Gtk treats them as attributes. But I take your point. Callbacks would otherwise be the only "attributes" which return something when they are set. So I'd vote for this. Axel.