[developers] LKB with McCLIM graphics on Mac

[John Carroll]

This is going so well that I think it’s going to end up as a viable new public version of the LKB for the average non-expert user. So I’ll finish the job off and make sure it runs in SBCL. Clozure CL and SBCL both have good Linux versions, so it might also be useful for the average Linux user.

In total I’ve made around 50 minor edits to LKB code. The main reasons have been:

1. McCLIM does not (yet) implement all of the CLIM spec
2. The CLIM spec is unclear in places, and the LKB sometimes relies too much on the behaviour of Allegro CL CLIM
3. Some LKB code uses features of Allegro CL CLIM that are not in the spec

Re 1, the largest gap is lack of select-file, so I’m adopting/adapting a file selector from another CLIM-based program. In category 2, the most widespread problems are omission of explicit define-presentation-type declarations for presentation types, and an assumption that panes are created ‘eagerly’ - whereas McCLIM does this lazily when it actually displays the window (which seems to be allowed by the spec). There’s one issue in category 3 that currently has me stumped for a work-around (changing the colour of text before a redisplay) but I’m sure I’ll figure something out.

So far I haven’t tried to go further than (load-system "lkb”), and haven’t looked at any non-graphics related code, e.g. in pvm, psql.

John

PS While I’m at it, should I fix the bug described at http://moin.delph-in.net/LkbBugs ? It’s probably in code I originally wrote in src/main/checktypes.lsp


On 5 Nov 2016, at 08:01, Ann Copestake <aac10 at cl.cam.ac.uk> wrote:

> Hi,
> 
> Fantastic!  
> Did you manage to sort out the other Allegro-specific stuff?  I don't remember exactly what the remaining issues were with the SBCL version.
> 
> All best,
> 
> Ann
> 
> 
> 
> On 04/11/2016 23:56, John Carroll wrote:
>> Hi,
>> 
>> See the attached screenshot (or http://users.sussex.ac.uk/~johnca/LKB_CCL_McCLIM_2016-11-04.jpg if the mailing list strips it out): the LKB with McCLIM graphics running in Clozure Common Lisp on a Mac. It’s taken me around 3 days to get it working. There are still a few interface glitches and hacks I need to sort out, but the basics are there.
>> 
>> John
>> 
>> PS There was a posting in January by a guy asking about LKB/McCLIM, but it turned out to be much more tricky than he was suggesting.
>> 
>> 

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