[Bug 1686081] Re: If -synaptics is installed, GNOME Mouse & Touchpad Settings doesn't work

[Daniel van Vugt]

Fix (v2) for gnome-control-center.

This includes a workaround for gdk so we're not waiting for that fix.
This does however depend on the mutter fix being present.

** Patch added: "gnome-control-center_3.27.92-1ubuntu2_v2.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1686081/+attachment/5081079/+files/gnome-control-center_3.27.92-1ubuntu2_v2.debdiff

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

Status in Release Notes for Ubuntu:
  Fix Released
Status in gnome-control-center package in Ubuntu:
  In Progress
Status in gtk+3.0 package in Ubuntu:
  In Progress
Status in mutter package in Ubuntu:
  In Progress
Status in xorg package in Ubuntu:
  Invalid
Status in xubuntu-meta package in Ubuntu:
  Fix Released
Status in gnome-control-center source package in Artful:
  Confirmed
Status in mutter source package in Artful:
  Confirmed
Status in xorg source package in Artful:
  Invalid
Status in xubuntu-meta source package in Artful:
  Fix Released

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?

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