GNU bug report logs - #6945
active-minibuffer-window returns nil when prompt overwritten by message

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From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: 6945 <at> debbugs.gnu.org
Subject: bug#6945: active-minibuffer-window returns nil when prompt overwritten by message
Date: Mon, 30 Aug 2010 15:46:30 +0200

On Mon, Aug 30, 2010 at 3:11 PM, Andreas Schwab <schwab <at> linux-m68k.org> wrote:
> Lennart Borgman <lennart.borgman <at> gmail.com> writes:
>
>> (defun temp-active-mb ()
>>   (message "active-minibuffer-window = %s" (active-minibuffer-window)))
>>
>> (progn
>>   (run-with-idle-timer 1 nil 'message "idle message")
>>   (run-with-idle-timer 2 nil 'temp-active-mb)
>>   (y-or-n-p "Prompt: ")
>>   )
>>
>> This gives me the message "active-minibuffer-window = nil".
>
> y-or-n-p does not use the minibuffer, so this is correct.
>
>> Is there any way then to discover whether Emacs is displaying a prompt
>
> This is just a message in the echo area.

Thanks, I see. I had forgotten that.

Correct, but very inconvenient.

Is there a way to detect this situation then? (Emacs is "paused",
waiting for input while a "prompt" is displayed.)

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