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On 2013-11-18T22:56:52+00:00 Carlos Garnacho wrote:

If a client (normally a reparenting WM) sets a passive button grab and
it is triggered when the pointer is above another client's window (eg. a
WM-managed window), crossing events will be rightfully generated,
however XI2 crossing events in the second client don't contain the
expected mode, XINotifyPassiveGrab/Ungrab would be appropriate here, but
XINotifyGrab/Ungrab are used instead.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1240957/comments/25

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On 2013-11-25T17:22:41+00:00 Carlos Garnacho wrote:

2 Patches are now on xorg-devel,
http://lists.x.org/archives/xorg-devel/2013-November/039220.html

Reply at:
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1240957/comments/26

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On 2013-11-26T16:49:53+00:00 Christopher Townsend wrote:

Hi Carlos,

I tried these patches.  Coupled with the Gtk+ fix, this does indeed fix
the various scrolling issues!  Hopefully the patches will be
reviewed/accepted soon.

Thanks a million for addressing this!

Reply at:
https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1240957/comments/28


** Changed in: xorg-server
       Status: Unknown => Confirmed

** Changed in: xorg-server
   Importance: Unknown => Medium

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1240957

Title:
  Scrolling behaviour and window focus has changed and is inconsistent

Status in GTK+ GUI Toolkit:
  Fix Released
Status in X.Org X server:
  Confirmed
Status in “gtk+3.0” package in Ubuntu:
  Confirmed
Status in “xorg-server” package in Ubuntu:
  Triaged

Bug description:
  I wasn't sure which package to file this bug against, but seeing as
  it's a general desktop usability/consistency bug, the top level
  desktop environment seemed like a good target.

  On Ubuntu 13.10, AMD64, everything default (Unity 7 on X.org etc),
  except for installing nvidia-319-updates, all current packages as of
  now (2013-10-17; unity 7.1.2+13.10.20131014.1-0ubuntu1), I now have
  this behaviour which is different from Ubuntu versions up to 13.04,
  and, is also inconsistent within itself. Here's what I've found:

  The scrolling behaviour has changed, and seems to be different per
  application in Ubuntu 13.10.

  The old behaviour (up to 13.04): mouse pointer above window would allow 
scrolling, regardless of focus
  Apps that use the old behaviour: libreoffice, firefox, gnome-terminal

  The new behaviour (13.10): window must be focused, and pointer hovered above 
to allow scrolling
  Apps that use the new behaviour: nautilus, gedit, ubuntu-bug, software-updater

  
  STEPS TO REPRODUCE

  1. Open gEdit, press enter until the window is scrollable.
  2. Open Firefox, go to a webpage that's scrollable.
  3. Place gEdit above Firefox but off to the right side so gEdit's scrollbar 
is still visible, have gEdit focused.
  4. Position mouse pointer above gEdit, observe scrollwheel causes gEdit 
window to scroll.
  5. Move mouse pointer above Firefox but do not focus Firefox, observe 
scrollwheel causes Firefox window to scroll.
  6. Focus Firefox, leave pointer above Firefox, observe scrollwheel causes 
Firefox window to scroll
  7. Move mouse pointer above gEdit but do not focus gEdit, observe scrollwheel 
FAILS to cause gEdit window to scroll.

  
  This behaviour is the same with any combination of the above apps 
(libreoffice, firefox, gnome-terminal all scrollable as long as pointer is 
above them; nautilus, gedit, software-updater, ubunut-bug will not scroll 
unless focused *and* have pointer above them)

  What *SHOULD* happen, is that any window will scroll as long as the
  pointer is above it. That's how it's always been in Ubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  Date: Thu Oct 17 22:12:18 2013
  InstallationDate: Installed on 2013-09-30 (17 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
  MarkForUpload: True
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)

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