[Bug 1831144] Re: GNOME control center UI does not update dconf setting for magnifier mouse tracking m ode

[Bug Watch Updater]

** Changed in: gnome-control-center
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1831144

Title:
  GNOME control center UI does not update dconf setting for magnifier
  mouse tracking m ode

Status in gnome-control-center:
  Fix Released
Status in gnome-control-center package in Ubuntu:
  Fix Committed
Status in gnome-control-center source package in Disco:
  In Progress

Bug description:
  [Impact]

  If you attempt to change the mouse cursor tracking mode in the gnome
  control centre UI for the gnome magnifier the radio buttons have no
  effect. If yous use dconf-editor to manual change the option at:
  org.gnome.desktop.a11y.magnifier.mouse-tracking the setting will have
  an effect.

  [Test Case]

  To reproduce
  * Open gnome control centre and select universal access.
  * Click on Zoom.
  * Toggle between "Keep the mouse cursor centred" and the other two options (proportional and push).
  * If you enable Zoom and change these settings they have no effect.
  * Open dconf-editor.
  * Navigate to:

      org/gnome/desktop/a11y/magnifier/

  * Select the mouse tracking entry and change the setting to different
  values while the Zoom is enabled. The setting will change the way the
  mouse tracking behaves.

  Then install gnome-control-center{,-data,-faces} from disco-proposed
  and find that the UI now successfully changes the dconf values and the
  mouse tracking behavior.

  [Regression Potential]

  The code changes are specific to the Zoom Options window, where some
  of the options are currently broken. Low regression risk.

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