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From: Juri Linkov <juri@linkov.net>
To: HaiJun Zhang <netjune@outlook.com>
Cc: "34614@debbugs.gnu.org" <34614@debbugs.gnu.org>,
	Zhang Haijun <ccsmile2008@outlook.com>
Subject: bug#34614: 26.1.92; When reading input in mini-buffer, message to each area overide the input prompt
Date: Fri, 08 Nov 2019 00:12:44 +0200	[thread overview]
Message-ID: <87y2wrnxnn.fsf@mail.linkov.net> (raw)
In-Reply-To: <PS1PR03MB3606B44977E4BADDA6245026B7780@PS1PR03MB3606.apcprd03.prod.outlook.com> (HaiJun Zhang's message of "Thu, 7 Nov 2019 14:52:24 +0000")

> The prompt is replaced with the message from autorevert. And after
> about 2~3 seconds (not fixed), the prompt comes back. What controls
> the delay(2~3 seconds)? It is not the value of
> minibuffer-message-timeout, which is 0.6. Is this expected?

The problem is that when auto-revert-handler calls minibuffer-message,
the current buffer is not the minibuffer, because functions that call
auto-revert-handler (auto-revert-notify-handler, auto-revert--end-lockout,
or auto-revert-buffers) change the current buffer using with-current-buffer.

When the current buffer is not the minibuffer then minibuffer-message
just calls (message "%s" message) and then does
(sit-for (or minibuffer-message-timeout 1000000))

> And it behaves differently with the following test code:
>
> (progn (run-with-idle-timer 3 nil
>        (lambda ()
>          (minibuffer-message "Reverting buffer `%s'." (buffer-name))))
>     (call-interactively 'find-file))
>
> This works well. The prompt is NOT replaced. The message is appended
> to the end of the prompt and disappears after 0.6 second.

To work well like this, minibuffer-message should be called outside
of with-current-buffer code block.  Yesterday I fixed Man-bgproc-sentinel
in bug#19064 to call minibuffer-message outside of with-current-buffer.

But auto-revert functions require complete rewrite.  I don't see
how this could be fixed with a simple change.





  reply	other threads:[~2019-11-07 22:12 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-22 12:17 bug#34614: 26.1.92; When reading input in mini-buffer, message to each area overide the input prompt Zhang Haijun
2019-02-22 13:20 ` Eli Zaretskii
2019-02-22 13:35   ` Zhang Haijun
2019-02-22 15:07 ` martin rudalics
2019-02-22 15:40   ` Zhang Haijun
2019-02-22 21:38     ` martin rudalics
2019-02-23  7:26       ` Eli Zaretskii
2019-02-23  7:54         ` martin rudalics
2019-02-23  8:25           ` Eli Zaretskii
2019-02-23  8:29             ` martin rudalics
2019-02-23  9:31               ` Eli Zaretskii
2019-02-23  9:57                 ` martin rudalics
2019-02-23 10:35                   ` Eli Zaretskii
2019-02-23 14:02                     ` martin rudalics
2019-02-23 16:51                       ` Eli Zaretskii
2019-02-24  8:44                         ` martin rudalics
2019-02-24 16:11                           ` Eli Zaretskii
2019-02-24 18:31                             ` martin rudalics
2019-02-24 19:02                               ` Eli Zaretskii
2019-02-25 10:11                                 ` martin rudalics
     [not found]     ` <5C7043C9.2090809@gmx.at>
2019-02-23  2:01       ` Zhang Haijun
2019-02-23  2:33         ` Zhang Haijun
2019-02-23  7:53           ` martin rudalics
2019-02-23  8:05             ` Zhang Haijun
2019-02-23  8:29               ` martin rudalics
2019-02-23  8:01           ` Eli Zaretskii
2019-02-23  8:29             ` Zhang Haijun
2019-11-06 22:02     ` Juri Linkov
2019-11-07 14:52       ` HaiJun Zhang
2019-11-07 22:12         ` Juri Linkov [this message]
2019-11-08  1:46           ` HaiJun Zhang
2019-11-09 23:05             ` Juri Linkov
2019-11-09 23:38               ` HaiJun Zhang
2019-11-10 21:22                 ` Juri Linkov
2019-11-12  0:49                   ` HaiJun Zhang
2019-11-12  8:10                     ` martin rudalics
2019-11-14  0:44                       ` Zhang Haijun
2019-11-12  1:15                   ` HaiJun Zhang
2019-11-12 20:53                     ` Juri Linkov
2019-11-14  0:46                       ` Zhang Haijun

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