If -synaptics is installed, GNOME Mouse & Touchpad Settings doesn't work

Bug #1686081 reported by Jeremy Bicha on 2017-04-25
46
This bug affects 12 people
Affects Status Importance Assigned to Milestone
xorg (Ubuntu)
High
Unassigned
xubuntu-meta (Ubuntu)
Undecided
Unassigned

Bug Description

I'm splitting this issue off from LP: #1685542 (which made xserver-xorg-input-all no longer recommend xserver-xorg-input-synaptics) for tracking the remaining issues.

gnome-control-center only supports libinput. If xserver-xorg-input-synaptics is installed (because it's used by some desktops which haven't been ported to libinput yet), synaptics overrides libinput. That makes gnome-control-center's Mouse & Touchpad settings panel only show basic settings and important configurations don't work.

Questions
---------
1. Which desktops/apps still need -synaptics?
- Unity
- Xfce?
- LXDE? LXQt?
All the other major desktops have already been ported (LP: #1417980)

2. Can these apps be ported or removed before 18.04 LTS is released?

3. Can the desktops be ported and how bad is it if they are not ported and -synaptics is no longer available?

4. If -synaptics can't be removed completely from 18.04 LTS, does it make sense to have gnome-control-center Conflicts: xserver-xorg-input-synaptics?

5. Is there any other way we can fix this conflict?

Jeremy Bicha (jbicha) on 2017-04-25
description: updated
Timo Aaltonen (tjaalton) wrote :

the only one that needs -synaptics is unity

Paul White (paulw2u) wrote :

When testing both Xubuntu 17.10 daily ISOs (20170428) I found that tap and double tap on the touchpad to not be working. Scrolling was fine.

Installing -synaptics re-enabled the tap/double tap functionality after logging out and back in again.

Timo Aaltonen (tjaalton) wrote :

tap-to-click isn't enabled by default in -libinput

Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1686081

tags: added: iso-testing
tags: added: desktop-trello-import
tags: removed: desktop-trello-import
Jeremy Bicha (jbicha) wrote :

Here's a request asking for gnome-control-center to warn somehow when the Synaptics driver is in use:

https://bugzilla.gnome.org/show_bug.cgi?id=784266

Launchpad Janitor (janitor) wrote :

This bug was fixed in the package xubuntu-meta - 2.216

---------------
xubuntu-meta (2.216) artful; urgency=medium

  * Refreshed dependencies
  * Added xserver-xorg-input-synaptics to core-recommends, desktop-
    recommends (LP: #1686081)
  * Update Standards-Version to 4.0.0
    - debian/control

 -- Sean Davis <email address hidden> Mon, 18 Sep 2017 20:44:45 -0400

Changed in xubuntu-meta (Ubuntu):
status: New → Fix Released
Didier Roche (didrocks) on 2017-09-20
tags: added: rls-aa-incoming
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