** Branch linked: lp:ubuntu/raring-proposed/libgrip

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https://bugs.launchpad.net/bugs/1168370

Title:
  grip-test no longer responds to input

Status in libgrip: multitouch gesture library for GTK:
  Fix Released
Status in libgrip raring series:
  In Progress
Status in “libgrip” package in Ubuntu:
  Fix Released
Status in “libgrip” source package in Raring:
  Fix Committed

Bug description:
  [Impact]

   * The library was not supplying and gestures to client callers
  because of underlying change in the underlying gesture recognizer
  conflicting with an incorrect assumption in the libgrip library
  design.  The assumption was that touch input device IDs were
  persistent across gesture recognizer instances, which has never been
  guaranteed to be true.

   * This bug renders the entire libgrip functionally useless, a fairly
  serious regression.

   * The bug fix moves to the latest version of the GEIS interface so
  obviates dependency on incorrect behaviour in the previous
  implementation.

  [Test Case]

   * Using a touchscreen, invoke the eog photo viewer program and
  attempt to zoom a photo using the pinch gesture.  Without this patch,
  there will be no response,  with the patch the photo should zoom.  See
  also #1120149.

  [Regression Potential]

   * A programming error in the library could result in crashes in the
  eog or evince applications.

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