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From: std-unix@ut-sally.UUCP
Newsgroups: mod.std.unix
Subject: Re: job control
Message-ID: <6111@ut-sally.UUCP>
Date: Sun, 26-Oct-86 23:31:05 EST
Article-I.D.: ut-sally.6111
Posted: Sun Oct 26 23:31:05 1986
Date-Received: Mon, 27-Oct-86 03:39:52 EST
References: <6024@ut-sally.UUCP>
Organization: IEEE P1003 Portable Operating System for Computer Environments Committee
Lines: 29
Approved: jsq@sally.utexas.edu

From: shannon@sun.com (Bill Shannon)
Date: Sat, 25 Oct 86 00:19:53 PDT

> From: bobr%zeus.tek.csnet@RELAY.CS.NET (Robert Reed)
> Organization: CAE Systems Division, Tektronix Inc., Beaverton OR
> Date: 15 Oct 86 12:23:31 PDT (Wed)
> 
> Naive programs should have access to window size as character information,
> but there are programs which do not manipulate windows which need window
> size information in pixels.

I'm still waiting to hear about such programs that aren't dependent on
the particular window system they are running under.

> Whether the tty system does know about pixels or not, it should.  If the
> window size information (in character units) is going to be accurate, window
> sizes must be restricted to integrals of character size.  With straight ttys
> this is no problem, but if the system supports font changing, character size
> can vary.  Rather than require one call to find the window size and then
> another call to find out what the units are, this information should be
> consolidated into a single place.

If you want both at once, the window system can do the consolidation.

The tty driver should not know about pixels.

					Bill Shannon

Volume-Number: Volume 7, Number 92