* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
@ 2011-09-20 9:19 Dani Moncayo
2011-09-20 9:38 ` Andreas Schwab
2011-09-20 10:00 ` Eli Zaretskii
0 siblings, 2 replies; 9+ messages in thread
From: Dani Moncayo @ 2011-09-20 9:19 UTC (permalink / raw)
To: 9557
Hi,
In my init file, I have `(fset 'yes-or-no-p 'y-or-n-p)' in order to
speed up the "yes/no" answers. But I've just seen a minor problem
associated to it.
From "emacs -Q":
1. Eval: (fset 'yes-or-no-p 'y-or-n-p)
2. Visit some file.
3. M-x revert-buffer <RET> y
--> (Expected) The echo area ends up empty (as happens if you omit step #1).
--> (Observed) The echo area remains with a residual text "Revert
buffer from file <your-file>? (y or n) y".
In GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
of 2011-09-12 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.5) --no-opt'
--
Dani Moncayo
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 9:19 bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area Dani Moncayo
@ 2011-09-20 9:38 ` Andreas Schwab
2011-09-20 9:43 ` Dani Moncayo
2011-09-20 10:00 ` Eli Zaretskii
1 sibling, 1 reply; 9+ messages in thread
From: Andreas Schwab @ 2011-09-20 9:38 UTC (permalink / raw)
To: Dani Moncayo; +Cc: 9557
Dani Moncayo <dmoncayo@gmail.com> writes:
> 1. Eval: (fset 'yes-or-no-p 'y-or-n-p)
> 2. Visit some file.
> 3. M-x revert-buffer <RET> y
> --> (Expected) The echo area ends up empty (as happens if you omit step #1).
Since yes-or-no-p doesn't use the echo area (it uses the minibuffer) you
cannot compare it with y-or-n-p.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 9:38 ` Andreas Schwab
@ 2011-09-20 9:43 ` Dani Moncayo
2011-09-20 10:02 ` Eli Zaretskii
0 siblings, 1 reply; 9+ messages in thread
From: Dani Moncayo @ 2011-09-20 9:43 UTC (permalink / raw)
To: Andreas Schwab; +Cc: 9557
> Since yes-or-no-p doesn't use the echo area (it uses the minibuffer) you
> cannot compare it with y-or-n-p.
The question is: from an user POV, is there a way to achieve the
behavior I want (short answers), without the "residual text" problem?
--
Dani Moncayo
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 9:19 bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area Dani Moncayo
2011-09-20 9:38 ` Andreas Schwab
@ 2011-09-20 10:00 ` Eli Zaretskii
2011-09-20 10:27 ` Dani Moncayo
1 sibling, 1 reply; 9+ messages in thread
From: Eli Zaretskii @ 2011-09-20 10:00 UTC (permalink / raw)
To: Dani Moncayo; +Cc: 9557
> Date: Tue, 20 Sep 2011 11:19:54 +0200
> From: Dani Moncayo <dmoncayo@gmail.com>
>
> 1. Eval: (fset 'yes-or-no-p 'y-or-n-p)
> 2. Visit some file.
> 3. M-x revert-buffer <RET> y
> --> (Expected) The echo area ends up empty (as happens if you omit step #1).
> --> (Observed) The echo area remains with a residual text "Revert
> buffer from file <your-file>? (y or n) y".
y-or-n-p deliberately displays the prompt with your response before it
returns to the caller, see the source. It does that because
otherwise you would not have a chance of observing your response.
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 9:43 ` Dani Moncayo
@ 2011-09-20 10:02 ` Eli Zaretskii
0 siblings, 0 replies; 9+ messages in thread
From: Eli Zaretskii @ 2011-09-20 10:02 UTC (permalink / raw)
To: Dani Moncayo; +Cc: schwab, 9557
> Date: Tue, 20 Sep 2011 11:43:41 +0200
> From: Dani Moncayo <dmoncayo@gmail.com>
> Cc: 9557@debbugs.gnu.org
>
> The question is: from an user POV, is there a way to achieve the
> behavior I want (short answers), without the "residual text" problem?
If you really don't want to see your response, write your own function
that calls y-or-n-p, clears the echo area (by displaying an empty
message), then returns the value returned by y-or-n-p.
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 10:00 ` Eli Zaretskii
@ 2011-09-20 10:27 ` Dani Moncayo
2011-09-20 16:54 ` Juri Linkov
0 siblings, 1 reply; 9+ messages in thread
From: Dani Moncayo @ 2011-09-20 10:27 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: 9557
> y-or-n-p deliberately displays the prompt with your response before it
> returns to the caller, see the source. It does that because
> otherwise you would not have a chance of observing your response.
Ah, ok.
In my case, I find that echo a bit unnecessary/disconcerting (hence
this bug report).
What about adding a variable to control that echo (with default value
"on", to keep the current behavior untouched)?
--
Dani Moncayo
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 10:27 ` Dani Moncayo
@ 2011-09-20 16:54 ` Juri Linkov
2011-09-20 17:47 ` Dani Moncayo
0 siblings, 1 reply; 9+ messages in thread
From: Juri Linkov @ 2011-09-20 16:54 UTC (permalink / raw)
To: Dani Moncayo; +Cc: 9557
>> y-or-n-p deliberately displays the prompt with your response before it
>> returns to the caller, see the source. It does that because
>> otherwise you would not have a chance of observing your response.
>
> Ah, ok.
>
> In my case, I find that echo a bit unnecessary/disconcerting (hence
> this bug report).
>
> What about adding a variable to control that echo (with default value
> "on", to keep the current behavior untouched)?
You can put in your .emacs:
(defadvice y-or-n-p (around y-or-n-p act)
(let ((answer ad-do-it))
(message "")
answer))
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 16:54 ` Juri Linkov
@ 2011-09-20 17:47 ` Dani Moncayo
2011-09-20 18:16 ` Juri Linkov
0 siblings, 1 reply; 9+ messages in thread
From: Dani Moncayo @ 2011-09-20 17:47 UTC (permalink / raw)
To: Juri Linkov; +Cc: 9557
>> In my case, I find that echo a bit unnecessary/disconcerting (hence
>> this bug report).
>>
>> What about adding a variable to control that echo (with default value
>> "on", to keep the current behavior untouched)?
>
> You can put in your .emacs:
>
> (defadvice y-or-n-p (around y-or-n-p act)
> (let ((answer ad-do-it))
> (message "")
> answer))
>
Thanks, Juri. It works fine. I'll use it.
I was going to propose another (more flexible) alternative: Instead of
storing a boolean value in a variable (to switch echoing on/off),
store a time delay, after which the echoed text would be removed (if
was not already removed by another event). A value of 0 would mean
"don't echo", and a value greater that some limit would mean "never
remove" (as now).
But if no one else thinks that this change is worthwhile, you can
close this bug report.
Thanks again.
--
Dani Moncayo
^ permalink raw reply [flat|nested] 9+ messages in thread
* bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area
2011-09-20 17:47 ` Dani Moncayo
@ 2011-09-20 18:16 ` Juri Linkov
0 siblings, 0 replies; 9+ messages in thread
From: Juri Linkov @ 2011-09-20 18:16 UTC (permalink / raw)
To: Dani Moncayo; +Cc: 9557-done
tags 9557 notabug wontfix
thanks
> But if no one else thinks that this change is worthwhile, you can
> close this bug report.
I doubt that anyone might want to miss information about the incorrect answer.
IOW, more information is better than less information.
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2011-09-20 18:16 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-09-20 9:19 bug#9557: 24.0.50; "y-or-n-p" does not clear the echo area Dani Moncayo
2011-09-20 9:38 ` Andreas Schwab
2011-09-20 9:43 ` Dani Moncayo
2011-09-20 10:02 ` Eli Zaretskii
2011-09-20 10:00 ` Eli Zaretskii
2011-09-20 10:27 ` Dani Moncayo
2011-09-20 16:54 ` Juri Linkov
2011-09-20 17:47 ` Dani Moncayo
2011-09-20 18:16 ` Juri Linkov
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