GNU bug report logs - #8116
24.0.50; `minibuffer-message': ignore mouse-up event for `sit-for' on Windows?

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Message #43 received at 8116-close <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, drew.adams <at> oracle.com,
 8116-close <at> debbugs.gnu.org
Subject: Re: bug#8116: 24.0.50; `minibuffer-message': ignore mouse-up event
 for `sit-for' on Windows?
Date: Tue, 11 Mar 2025 20:58:02 -0700

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Lars Ingebrigtsen <larsi <at> gnus.org>
>> Date: Sun, 18 Jul 2021 02:30:08 +0200
>> Cc: 8116 <at> debbugs.gnu.org
>>
>> "Drew Adams" <drew.adams <at> oracle.com> writes:
>>
>> > If you pop up a menu (e.g. using `x-popup-menu') and one of its items
>> > calls `minibuffer-message', the user will never see the message,
>> > presumably because the call to `sit-for' in `minibuffer-message' sees
>> > the mouse-up event (from choosing the menu item) as user input,
>> > canceling the `sit-for' timeout.
>>
>> Do you have a test case that demonstrates the problem?
>
> You won't be able to see this on any system but MS-Windows.  On
> Windows, the Emacs menus are implemented in a way that has this
> unfortunate side effect: we basically preempt the Emacs command loop
> for as long as the menu stays open.
>
> If someone wants to redesign how Emacs menus are implemented on
> Windows, I think that would be very welcome.  But until that happens,
> this is Emacs "functioning as designed", not some easily-fixed bug.

It sounds like this is not going to be an easy fix, but require a
redesign.  Without a patch, that sounds rather unlikely.  I'm therefore
closing this bug report now, as this is the expected behavior.

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