From: Andreas Schwab <schwab@suse.de>
To: Dan Nicolaescu <dann@ics.uci.edu>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: Re: read a reply from the terminal
Date: Sun, 15 Jul 2007 10:18:51 +0200 [thread overview]
Message-ID: <jeejjakrkk.fsf@sykes.suse.de> (raw)
In-Reply-To: <200707150034.l6F0YYxT013883@oogie-boogie.ics.uci.edu> (Dan Nicolaescu's message of "Sat\, 14 Jul 2007 17\:34\:34 -0700")
Dan Nicolaescu <dann@ics.uci.edu> writes:
> ! ;; Try to find out the type of terminal by sending a "Secondary
> ! ;; Device Attributes (DA)" query.
> ! (send-string-to-terminal "\e[>0c")
> !
> ! ;; The reply should be of the form: \e [ > NUMBER1 ; NUMBER2 ; NUMBER3 c
> ! (when (equal (read-event) ?\e)
> ! (when (equal (read-event) 91)
> ! (while (not (equal (setq chr (read-event)) ?c))
> ! (setq str (concat str (string chr))))
What if the terminal is ignoring the query, or there is some other
communication problem, wouldn't that mean that read-event would hang
here? IMHO the calls should use the timeout feature.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2007-07-15 8:18 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-14 2:42 read a reply from the terminal Dan Nicolaescu
2007-07-14 10:39 ` Eli Zaretskii
2007-07-15 13:49 ` Johan Bockgård
2007-07-15 17:19 ` Eli Zaretskii
2007-07-15 22:04 ` Johan Bockgård
2007-07-16 3:11 ` Eli Zaretskii
2007-07-16 19:46 ` Johan Bockgård
2007-07-14 19:37 ` Stefan Monnier
2007-07-15 0:34 ` Dan Nicolaescu
2007-07-15 1:33 ` Stefan Monnier
2007-07-15 8:18 ` Andreas Schwab [this message]
2007-07-15 15:30 ` Dan Nicolaescu
2007-07-15 17:30 ` Eli Zaretskii
2007-07-15 20:42 ` Dan Nicolaescu
2007-08-03 21:54 ` Davis Herring
2007-08-03 22:23 ` Dan Nicolaescu
2007-08-04 1:00 ` Stefan Monnier
2007-07-15 22:53 ` Richard Stallman
2007-07-16 0:56 ` Dan Nicolaescu
2007-07-14 22:16 ` Johan Bockgård
2007-07-14 22:35 ` Eli Zaretskii
2007-07-15 0:24 ` Johan Bockgård
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