This bug was fixed in the package qt4-x11 - 4:4.7.4-0ubuntu5
---
qt4-x11 (4:4.7.4-0ubuntu5) oneiric; urgency=low
* debian/patches/kubuntu_95_qt_disable_bounce.diff:
- Fix Touchpad scrolling bounces (LP: #805972)
* debian/patches/kubuntu_14_systemtrayicon.diff:
- sni-qt and
** Branch linked: lp:~kubuntu-packagers/kubuntu-packaging/qt
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https://bugs.launchpad.net/bugs/805972
Title:
Touchpad scrolling bounces
To manage notifications about this bu
** Changed in: qt4-x11 (Ubuntu)
Milestone: None => ubuntu-11.10
** Also affects: qt4-x11 (Ubuntu Oneiric)
Importance: Critical
Assignee: Jussi Pakkanen (jpakkane)
Status: In Progress
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The attachment "qt_disable_bounce.patch" of this bug report has been
identified as being a patch. The ubuntu-reviewers team has been
subscribed to the bug report so that they can review the patch. In the
event that this is in fact not a patch you can resolve this situation by
removing the tag 'pa
** Changed in: qt4-x11 (Ubuntu)
Status: Triaged => In Progress
** Changed in: qt4-x11 (Ubuntu)
Assignee: (unassigned) => Jussi Pakkanen (jpakkane)
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https://bugs.la
The attached patch fixes this bug by manually removing panning gesture
subscription from qabstractscrollarea.cpp. Thus all scrolling happens
via mouse wheel events synthesised by X.
** Patch added: "qt_disable_bounce.patch"
https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/805972/+attachm
Here's some notes from my investigations:
* It is only reproducible on a full multitouch trackpad, which currently are
only Apple trackpads
* There seems to be some smooth scrolling and then a snap reversion
* On a touchscreen, two touch drags produce inconsistent smooth scrolling but
no snap re
** Changed in: qt4-x11 (Ubuntu)
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/805972
Title:
Touchpad scrolling bounces
To manage notifications about
I bisected the patch queue and narrowed it down to this patch:
http://bazaar.launchpad.net/~kubuntu-packagers/kubuntu-
packaging/qt/view/head:/debian/patches/kubuntu_28_xi2.1.patch (r218)
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** Changed in: qt4-x11 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/805972
Title:
Touchpad scrolling bounces
To manage notifications about this
This very simple test program demonstrates the bug for me. Just start it
with "python touchpad.py", move the pointer over the content (not over
the scrollbar) and do a double-finger scroll with the touchpad.
** Attachment added: "Test program"
https://bugs.launchpad.net/ubuntu/+source/qt4-x11/
I have the same issue with various Qt applications when I use two-finger
scrolling. It feels like the scrollbar is bouncing. The fact it only
happens with touchpad and not regular mouse wheel makes me think it
could be multitouch related.
** Summary changed:
- No touchpad scrolling in 'By Categor
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