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From: <klaus.berndl@sdm.de>
Subject: Problem with `while-no-input'
Date: Wed, 8 Mar 2006 12:34:57 +0100	[thread overview]
Message-ID: <A47B192B0358794C958615D788BF7FB701A29FD8@mucmail1.sdm.de> (raw)

Hello,

A question to `while-no-input':

I tried this short test-code:

(defun klaus-test-input ()
  (interactive)
  (let ((result nil)
        (i 0))
    (setq result (while-no-input
                   (while t
                     (setq i (1+ i)))))
    (message "Klaus: %s" result)))

I expected this to being interrupted by any user-interaction (e.g. keypress etc..)
and setting result to t according to the docstring of `while-no-input':

   while-no-input is a Lisp macro in `subr.el'.
   (while-no-input &rest body)

   Execute body only as long as there's no pending input.
   If input arrives, that ends the execution of body,
   and `while-no-input' returns t.  Quitting makes it return nil.
   If body finishes, `while-no-input' returns whatever value body produced.

But only C-g interrupts this code but not pressing any key like 'a' etc...

Have i overlooked something or have i misunderstood the documentation of
`while-no-input'? Have i misinterpreted the sentence "If input arrives,
that ends the execution of body, and `while-no-input' returns t" or what
I'm doing wrong?

Thanks for your help!

I tried this with Emacs 22.0.50.1 compiled on 29.1.2006 for Windows....

Ciao,
Klaus

             reply	other threads:[~2006-03-08 11:34 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-08 11:34 klaus.berndl [this message]
2006-03-08 12:41 ` Problem with `while-no-input' Kim F. Storm
2006-03-09 17:13   ` Richard Stallman
  -- strict thread matches above, loose matches on Subject: below --
2006-03-08 13:05 LENNART BORGMAN
2006-03-08 13:50 ` martin rudalics
2006-03-08 14:01   ` martin rudalics
2006-03-11 16:37   ` Eli Zaretskii
2006-03-08 14:50 ` Jason Rumney
2006-03-08 15:00 ` Stefan Monnier
2006-03-08 14:50 klaus.berndl
2006-03-10  7:38 klaus.berndl
2006-03-11  0:08 ` Richard Stallman
2006-03-11 12:35   ` Jason Rumney
2006-03-11 15:29     ` Jason Rumney
2006-03-11 21:55       ` Eli Zaretskii
2006-03-11 22:47         ` Jason Rumney
2006-03-12  0:00         ` Jason Rumney
2006-03-11 17:41     ` Eli Zaretskii
2006-03-11 22:45       ` Jason Rumney
2006-03-11 23:46     ` Richard Stallman
2006-04-25  9:35 klaus.berndl
2006-04-25 22:05 ` Richard Stallman
2006-04-26 11:19 ` Jason Rumney
2006-04-26  9:42 klaus.berndl
2006-04-26 18:53 ` Richard Stallman
2006-04-26 11:46 klaus.berndl
2006-04-26 11:59 ` Jason Rumney
2006-04-26 18:05   ` Jason Rumney
2006-04-26 12:10 klaus.berndl
2006-04-26 12:43 ` Lennart Borgman
2006-04-26 12:58   ` Jason Rumney
2006-04-26 12:52 ` Jason Rumney
2006-04-26 12:58 klaus.berndl
2006-04-27  6:41 klaus.berndl
2006-04-27 21:26 ` Richard Stallman

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