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1994-08-27
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Subject: Re: MAUS
Date: Sun, 29 May 1994 13:31:13 +0200 (MDT)
In-Reply-To: <Pine.3.87.9405272334.B6154-0100000@undergrad> from "Timothy Miller" at May 27, 94 11:32:34 pm
From: Annius.Groenink@cwi.nl (Annius Groenink)
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> Atari Works uses ctrl-A for 'select whole document'. Take a quick look
> at your keyboard and tell me that your little finger couldn't
> accidentally slip and hit them both. I do it too often, but once is
> enough for me. I will be typing along, accidentally hit ctrl-a, and a
> few other keys, and Atari Works will (in it's stomach-churningly slow
> line-by-line manner) delete your entire document. Ever time that
> happens, I want to shoot Pradip and whomever talked him into using it.
> Something as easy to hit as ctrl-a should NOT select anything of
> consequence, and something as dangerous as select-whole-document
> shouldn't be easily accessible (or even at all from the keyboard).
Atari Works is just unsafe in general. A program should always provide
a way out if a user accidentally lost important data. A single-stage undo
is simply not enough to avoid irritation. Once a solution has been found
for that (e.g. the trash can in Edith) control + A is no longer a problem.
It is also highly standard on other platforms (like ^W for close windows).
> Two others that tick me off are shift-backspace and shift-delete. I'll
> be typing along, and start typing in a string of capital letters by
> holding down shift and then make a mistake. My automatic reaction is to
> hit backspace... shift-backspace deletes the whole line. VERY irritating.
Hit UNDO once. Should work, shouldn't it? I like shift-backspace but find
shift-delete a bit strange. Ortogonally thinking, it should mean:
delete everything right to the cursor. But it means delete line and line feed
altogether!
> My whole point is that when you come up with standards, DO NOT be
> arbitrary. If you come up with something, THINK through it, test it, and
> make sure that it's not going to cause problems. Others agree with me
> that the abovementioned problems with Atari Works are serious design
> errors, and since they came from Atari's standard, Atari is ultimately at
> fault.
I agree in part (basically things like shift-delete).
> The standards should help people to be PRODUCTIVE, NOT get in their way.
> One should go so far as to figure out what operations are used most
> frequently and assign those first. If close-document comes out ctrl-w or
> ctrl-z, or ctrl-i, I dont' care, as long as it is chosen such that it
> makes the life of the user more productive.
There is one good argument for Atari's codes ^W and ^A. If anyone should
ever be thinking of buying an Atari and s/he is familiar with a Macintosh
or good X-Windows applications, then the Atari guidelines will make programs
look very familiar. ^U for close window and ^W for wechseln (cycle) will
feel very strange to him/her.
> Think about what Dvorak did when designing his keyboard layout. He
> figured out what letters were used in what frequency and what workloads
> each of the fingers could handle, then make intelligent, careful
> assignments of letters to fingers to come up with a keyboard that takes
> on the order of 20 times less energy to use than a QWERTY keyboard. Put
> the same kind thought and research into your standards, whether they be
> for hot-keys or import/export drivers.
Shortcuts are much less regularly used than letters for typing text.
The biggest problem for shortcuts is remembering them. Therefore, they
should, as far as possible, suggest their use, like ^A for All, ^Q for
Quit, ^W for close window. One exceptions is perhaps cut/copy/paste
(^X ^C ^V) which is ergonomical, and by now known by more than half of all
computer users in the world (?)
--
Annius V. Groenink | E-mail: avg@cwi.nl | Private & ZFC:
CWI, Kruislaan 413 | Room: M233 | P.O. Box 12079
1098 SJ Amsterdam | Ext: 4077 | NL 1100 AB Amsterdam
Netherland | Phone: +31 20 592 4077 | Phone: +31 20 695 9901