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Re: read a reply from the terminal
From: |
Andreas Schwab |
Subject: |
Re: read a reply from the terminal |
Date: |
Sun, 15 Jul 2007 10:18:51 +0200 |
User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) |
Dan Nicolaescu <address@hidden> 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, address@hidden
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."
Re: read a reply from the terminal, Stefan Monnier, 2007/07/14
Re: read a reply from the terminal, Richard Stallman, 2007/07/15
Re: read a reply from the terminal, Dan Nicolaescu, 2007/07/15
Re: read a reply from the terminal, Johan Bockgård, 2007/07/14