[Bug 381884] Re: Appletouch touchpad driver produces jumpy two-fingered scrolling

[nnutter]

I just wanted to give a use-case/scenario where this is disruptive.

First of all, keep in mind that all Apple laptops only have one button
so the only option besides using two-finger click right clicks is to
bind keys with xmodmap (kind of an annoying necessity and not good for
user experience).

Now, the scenario. There are two major cases where this can just drive
you crazy. Trying to right-click a link on a webpage, e.g. to save to
disk or open or copy link location. The other really annoying situation
is when trying to right-click a misspelled word for spell check
suggestions.

This is a major annoyance, it leads to a very frustrating experience and
while it does not stop my system from being usable it is incredibly
aggravating.

I think the key points for solving this are:
1) "The jump happens during the context switch from one-finger pointing to two-finger pointing." --Kirby
2) "There was an update to the OS X driver that fixed this situation for Apple. I guess that it detects the second finger and programmatically ignores the first few scrollticks, thereby 'deadening' the output. This is what we need." -- Richard Cavell

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Appletouch touchpad driver produces jumpy two-fingered scrolling
https://bugs.launchpad.net/bugs/381884
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