** Changed in: qtmir
   Importance: Undecided => High

** Changed in: qtmir (Ubuntu)
   Importance: Undecided => High

** Changed in: ubuntu-system-settings (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1607240

Title:
  Unity8 default mouse wheel speed is 7.0 (it should be 1.0)

Status in Canonical System Image:
  New
Status in QtMir:
  In Progress
Status in qtmir package in Ubuntu:
  In Progress
Status in ubuntu-system-settings package in Ubuntu:
  Confirmed
Status in unity8 package in Ubuntu:
  Confirmed
Status in xorg-server package in Ubuntu:
  Invalid

Bug description:
  Ubuntu 16.10 + proposed
  Xmir 2:1.18.4-1ubuntu4

  wheel mouse scrolling is too fast, tried with firefox and geany.

  run firefox on mir scroll up/down some random long page using the
  mouse wheel

  TEST CASE:

    1. env MIR_CLIENT_INPUT_RECEIVER_REPORT=log mir_demo_client_egltriangle -- 
--desktop_file_hint=unity8
    2. Roll your mouse wheel over it and watch the log

  Expected: vscroll values of +1/-1
  Observed: vscroll values of +7/-7

  WORKAROUND:

  System Settings > Mouse & Touchpad >
  Slide the second (unlabelled) slider all the way left, and then one notch 
right.

  Turns out that unlabelled slider is the wheel scroll speed. Setting it
  one notch from the left correctly reduces the wheel speed from 7.0 to
  1.0 as Mir clients expect.

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1607240/+subscriptions

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