Subject: bug#57476: 29.0.50; Mouse wheel event ignored on Lucid build

From: Po Lu <[email-masked]>
Date: Tue, 30 Aug 2022 21:44:25 +0800

Stephen Berman <[email-masked]> writes:

> Yes:
>
> $ xfwm4 --version
> 	This is xfwm4 version 4.16.1 (revision 5f61a84ad) for Xfce 4.16
> 	Released under the terms of the GNU General Public License.
> 	Compiled against GTK+-3.24.31, using GTK+-3.24.33.
>
> 	Build configuration and supported features:
> 	- Startup notification support:                 Yes
> 	- XSync support:                                Yes
> 	- Render support:                               Yes
> 	- Xrandr support:                               Yes
> 	- Xpresent support:                             No
> 	- X Input 2 support:                            No
> 	- Embedded compositor:                          Yes
> 	- Epoxy support:                                Yes
> 	- KDE systray proxy (deprecated):               No
>
> Perhaps the missing XInput2 support is causing the problem?

Please try enabling that, but we should work around the bug in xfwm
builds without XInput 2 anyway.

In fact, this bug was fixed several months ago, but the fix disappeared
sometime during the following cleanups to the scroll valuator management
code.