** Changed in: canonical-devices-system-image
       Status: Fix Committed => Fix Released

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1607240

Title:
  Unity8 default mouse wheel increment seen by Mir clients is 7.0 (it
  should be 1.0)

Status in Canonical System Image:
  Fix Released
Status in QtMir:
  Fix Released
Status in qtubuntu:
  Fix Released
Status in gsettings-ubuntu-touch-schemas package in Ubuntu:
  Fix Released
Status in qtmir package in Ubuntu:
  Fix Released
Status in qtubuntu package in Ubuntu:
  Fix Released
Status in ubuntu-system-settings package in Ubuntu:
  In Progress
Status in unity8 package in Ubuntu:
  Invalid
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.

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