Public bug reported:
Binary package hint: libgtk2.0-0
In Mac OS, touching two fingers on the touchpad and moving your fingers
scrolls very small amounts with high resolution (and thus high
precision)
On Ubuntu, it seems that only after a certain threshold of movement is a
scroll event fired, I guess it's just because scrolling is
conventionally done in X with mouse *buttons* 4 and 5, whereas normal
x-y movement is done based on position deltas (right? educated guess).
A move from doing scroll from large discrete button presses, to doing it
as more granular deltas would vastly improve scrolling. From day one of
my Mac OS use I was in awe at how much better it was to use the trackpad
than any other system I had used, and Ubuntu could really benefit from
supporting this properly.
I'd assume there are issues here to be dealt with in the synaptics
driver and GTK, if my guesswork diagnosis is correct.
** Affects: gtk+2.0 (Ubuntu)
Importance: Undecided
Status: New
** Affects: xserver-xorg-input-synaptics (Ubuntu)
Importance: Undecided
Status: New
** Also affects: xserver-xorg-input-synaptics (Ubuntu)
Importance: Undecided
Status: New
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Trackpad scrolling is jerky and difficult to be precise with
https://bugs.launchpad.net/bugs/223170
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