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

From: Stephen Berman <[email-masked]>
Date: Tue, 30 Aug 2022 17:15:46 +0200

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

> 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.

I rebuilt xfwm4 with --enable-xi2, logged out and back in, but still the
Lucid build does not respond to mouse wheel scrolling.  (I also tried
rebuilding Lucid without --with-xinput2, but that also made no difference.)

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

Well, here's hoping you find it again!

Steve Berman