From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <20000929052655.2987.qmail@g.bio.cse.psu.edu>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Adding history to Rio's windows 
In-Reply-To: Message from "Russ Cox" <rsc@plan9.bell-labs.com> 
   of "Fri, 29 Sep 2000 01:01:20 EDT." <20000929050122.B9AB6199F4@mail> 
Date: Fri, 29 Sep 2000 01:26:55 -0400
From: Scott Schwartz <schwartz@bio.cse.psu.edu>
Topicbox-Message-UUID: 122460ec-eac9-11e9-9e20-41e7f4b1d025

| Also, if you
| don't use the prompt, how do you tell user input to
| the shell from input to another program?

Hm.  Well, if one process had a way to find out which
other one did a write(), it could record that too.
That's a facility that's generally useful, in fact.

| There seem to be good arguments that five is
| about the most number of things that is comfortable
| on a menu.

That's true of a linear menu.  Radial pie menus comfortably support
many more items, and you can use them without looking.  Imagine a clock
(12 items) or a compass (8 items), for example.

| For a good time, try navigating a >200
| page PDF file using page's button 3 menu.

Yep.  Unbounded and variable entries are the wrong thing for
menus.