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[Robert Ancell <robert.ancell@xxxxxxxxxxxxx>]

** Changed in: gtk+3.0 (Ubuntu Utopic)
       Status: New => Triaged

** Changed in: gtk+3.0 (Ubuntu Utopic)
   Importance: Undecided => High

** Summary changed:

- [gtk-mir-backend] Clicking seems to confuse GTK (or the shell)
+ GTK+ applications unable to be clicked on in Unity 8

** Changed in: gtk+3.0 (Ubuntu Utopic)
     Assignee: (unassigned) => Robert Ancell (robert-ancell)

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https://bugs.launchpad.net/bugs/1388875

Title:
  GTK+ applications unable to be clicked on in Unity 8

Status in “gtk+3.0” package in Ubuntu:
  Triaged
Status in “gtk+3.0” source package in Utopic:
  Triaged
Status in “gtk+3.0” source package in Vivid:
  Triaged

Bug description:
  [Impact]
  GTK+ applications running in Unity 8 do not respond to button presses. This is due to Unity 8 / Mir changing the way events are generated (from mouse events to touch events). The GTK+ backend did not interpret these touch events.

  [Test Case]
  1. Set up a GTK+ application to be launchable from Unity 8 (i.e. edit a .desktop file and set X-Ubuntu-Touch=true)
  2. Log into a Unity 8 session
  3. Click on a button in the application
  Expected result:
  The button is pressed
  Observed result:
  Nothing happens when clicking on the button

  [Regression Potential]
  Low. The fix is just to handle the case of a pointer up/down event where no buttons are specified. This was previously ignored. The GTK+ backend is not usable without making hacks so this is unlikely to affect other GTK+ users.

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