Mouse-Scrolling Changes Drop-Down Selections During Scroll Navigation

Bug #1849880 reported by Lonnie Lee Best on 2019-10-25
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-control-center (Ubuntu)

Bug Description

The Gnome Sound Settings tab contains enough options to where you have to scroll down to see them all.

Since the scrollbar is so narrow, I use my mouse-scroll-wheel to achieve this scroll navigation.

However, while scrolling with the intention of "navigation", if the mouse-cursor passes over the Output Device drop-down-menu, or any of the slider controls, it inadvertently changes those options.

The ability to change drop-down-menu selections, using the mouse-scroll-wheel is convenient in some cases, but it becomes problematic when the user is simply intending to do scroll navigation.

I can see a non-advance user accidentally changing sound settings that they had no intention of changing in this design. Plus, even if they do notice the inadvertent changes, they might not know "what to change it back to".

It may be better to disable scroll driven option selection changes in these menus.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-control-center 1:3.34.1-1ubuntu2
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
Date: Fri Oct 25 12:29:32 2019
InstallationDate: Installed on 2019-10-19 (6 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
 PATH=(custom, no user)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)

I've attached a screenshot. Each drop-down-menu you see can received unintended selection changes during mouse-scroll navigation.

Sebastien Bacher (seb128) wrote :

Thank you for your bug report. Could you also report it upstream on

Changed in gnome-control-center (Ubuntu):
importance: Undecided → Low
status: New → Confirmed

Video Showcasing the issue:

description: updated
Changed in gnome-control-center:
status: Unknown → New
Changed in gnome-control-center (Ubuntu):
status: Confirmed → Triaged
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