Date: Wed, 4 Dec 1996 22:31:02 +1030 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: jkh@time.cdrom.com (Jordan K. Hubbard) Cc: msmith@atrad.adelaide.edu.au, fenner@parc.xerox.com, ports@freebsd.org Subject: Re: Ports INDEX browser update Message-ID: <199612041201.WAA16510@genesis.atrad.adelaide.edu.au> In-Reply-To: <1455.849699813@time.cdrom.com> from "Jordan K. Hubbard" at "Dec 4, 96 03:43:33 am"
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Jordan K. Hubbard stands accused of saying:
>
> Heh. This is where you will probably fall over kicking spastically,
> like a cockroach that's just been sprayed with a noxious substance
> (not that I am otherwise comparing you to an annoying household insect
> which feeds on grease :-).
(Mike quickly wipes his hands and shoves the rest of the chips out of
sight; "me? grease? never!" 8)
> The emulation is entirely programmable, using a little stack-based
> language (called "IOP") which eats terminal escape sequences and
> generates operation requests for the canvas widget. It reads the
> emulation "program" from the X resource database, and in this way a
> full VT220 emulator is provided. We didn't like the idea that xterm's
> vt100 emulation was hardcoded, so I designed a little language for
> it. :-)
Oooh, after I got caught up in a C vs. Forth flamewar in
comp.arch.embedded, do I want my name anywhere near a stack-based
language? 8) Still, it sounds like ripping the interpreter and
the script out and handling the canvas events with a text widget
might just be the way to go. How fine is the event granularity?
(single characters only, or are there bigger primitives?)
> If you're actually interested in figuring this out, and it's not
> nearly as complex as it sounds, I'll be happy to provide any and all
> technical assistance. It's in /usr/ports/x11/emu in case you missed
> the location earlier.
Mike types 'emu' in the PIB search dialog, discards 'cpmemu' as probably
not being the one, hits 'emu-1.3.1'. Hmm. "Maintainer : me@FreeBSD.org".
A search for "me@" gets me xemacs, seyon, emu, fvwm and mmv...
Ah well, humour is subjective 8) Still, sounds like the way to go,
even though it's going to be a bit of a diversion. Speaking of widgets
and diversions, here's one that wasted me an hour tonight :
> wish4.1
% listbox .foo
% pack .foo
% bind .foo <1> {puts "click"}
% bind .foo <Up> {puts "up"}
Button-1 in the listbox, it says "click". Hit Up in the listbox, does
nada. I got down to this trying to work out why the default class
bindings for listboxes and scrollbars just _don't_ work. Is this an R6
thing? It's as annoying as all snot. (No, I do _not_ have NumLock on!)
> I always threatened to provide an HP2640 terminal emulator resource
> string for it, just to prove it could be done as easily as a VT220,
> but I somehow never quite found the time. :-)
I'd be inclined to try for something more useful, like a Wyse 120GT
perhaps 8)
> Jordan
--
]] Mike Smith, Software Engineer msmith@gsoft.com.au [[
]] Genesis Software genesis@gsoft.com.au [[
]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[
]] realtime instrument control. (ph) +61-8-8267-3493 [[
]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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