GNU bug report logs - #79348
30.2; Left and right mouse buttons do not work in Emacs 30 on Windows 10

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Package: emacs;

Reported by: Alex <al2255668822 <at> gmail.com>

Date: Sat, 30 Aug 2025 14:09:03 UTC

Severity: normal

Found in version 30.2

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

Full log


Message #17 received at 79348 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alex <al2255668822 <at> gmail.com>, Po Lu <luangruo <at> yahoo.com>
Cc: 79348 <at> debbugs.gnu.org
Subject: Re: bug#79348: 30.2; Left and right mouse buttons do not work in
 Emacs 30 on Windows 10
Date: Sun, 31 Aug 2025 10:18:17 +0300
> From: Alex <al2255668822 <at> gmail.com>
> Date: Sun, 31 Aug 2025 09:54:06 +0300
> Cc: 79348 <at> debbugs.gnu.org
> 
> Q: And if you press "C-h l" (that's the letter ell, not the digit one) after pressing the mouse on the tool bar,
> what does Emacs show in the *Help* buffer it pops up?
> 
> A: The same text without changes:  C-h 1 ;; view-lossage

So Emacs is not being reported the mouse clicks.

> Q: So it sounds like Emacs doesn't get some of the mouse clicks in your case?
> 
> A: Yes
> 
> Q: What about dragging the scroll bar's thumb with the mouse-does that work?
> 
> A: Works as expected

Hmm...  So button clicks and dragging with left or right button don't
work anywhere except on the scroll bars?

What about dragging with the mouse the mode line between two
windows--does that resize the windows?

> Q: Maybe review the mouse settings to make sure nothing there prevents these clicks from being reported to
> Emacs?
> 
> A: I do not know what mouse setting to review. And in Emacs 29.3 everything works fine. And in What’s new
> I did not find essential changes in mouse operation

In "Settings -> Bluetooth & devices -> Mouse", review all the
settings, especially the ones in "Additional mouse settings".

Emacs 30 added support for touch-screen devices, and more precise
handling of mouse-wheel events.  But you say that your mouse is not a
touchpad, and that the wheel works fine.  So I don't think I
understand what changes in Emacs 30 could have caused the problem,
sorry.

Can you try with a different mouse, like a simple optical mouse
connected via USB?

Po Lu, any other ideas and suggestions?




This bug report was last modified 5 days ago.

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