Re: Metaclass & McCLIM revisited

Ok.  Here I rant.

CLIM is another crime perpetrated by the Symbolics crowd towards the Common
Lisp community.  Only uppercasing and pathnames come close to it.

'(cheers)



On Fri, Jan 30, 2026 at 2:24 PM Bradford Miller (as bradford dot w dot
miller at gmail dot com) <[email protected]> wrote:

> This.
>
> In addition, IIRC, one can write translators between various types, so you
> can ask for input of a “fruit” and not only will things of type “fruit” be
> available, but other things that are coercible to “fruit” will be as well,
> such as the presentation of “the stuff on the top shelf of my refrigerator”
> -> (day-old-mac-and-cheese sliced-apples near-expiration-milk) ->
> sliced-apples -> apples
>
> Personally, back when I was using CLIM heavily (>20 years ago), this was
> the most-used part for me.
>
> “Time flies like an arrow”
> accept ‘preference -> N: time-fly V: enjoy OB: arrow -> (for-all ?x (type
> ?x time-fly) (exists ?y (type ?y arrow)) (enjoy ?x ?y))
>
>
> > On Jan 30, 2026, at 6:05 AM, Christopher Stacy (as cstacy at dtpq dot
> com) <[email protected]> wrote:
> >
> > CAPI is an MVC system.
> >
> > By contrast, CLIM doesn't expose an event loop (or events). CLIM is
> based on higher level abstractions (semantic data types). A "presentation"
> is a data-binding display object becomes "sensitive' (ie. able to respond
> to mouse clicks) based on a global dynamic input ("accepting") context. The
> programmer writes "commands" which take a semantic input type (such as
> "integer" or "earthquake" or "apple" or "fruit"). the user invokes commands
> by name (CLI completing interface) or accelerators/gestures. The command
> sets the input context (in a type hierarchy) and the display elements
> (presentations) of that type become available input (ie. they can be
> clicked on). The command receives and processes the presentation's object.
> >
> >
> > _______________________________________________
> > Lisp Hug - the mailing list for LispWorks users
> > [email protected]
> > http://www.lispworks.com/support/lisp-hug.html
>
>
> _______________________________________________
> Lisp Hug - the mailing list for LispWorks users
> [email protected]
> http://www.lispworks.com/support/lisp-hug.html
>


-- 
Marco Antoniotti, Professor, Director         tel. +39 - 02 64 48 79 01
DISCo, University of Milan-Bicocca U14 2043   http://dcb.disco.unimib.it
Viale Sarca 336
I-20126 Milan (MI) ITALY

REGAINS: https://regains.disco.unimib.it/