[PATCH] ClickPad support v4

[Matt Rogers]

On Mon, Dec 27, 2010 at 12:18 PM, Chris Bagwell <chris at cnpbagwell.com>wrote:

> On Sat, Dec 18, 2010 at 9:50 PM, Matt Rogers <mattr at kde.org> wrote:
> > On Sat, Dec 18, 2010 at 11:38 AM, Chris Bagwell <chris at cnpbagwell.com>
> >>
> >> Thank for detailed reply.  Do you mind helping me understand how
> >> touchpad is being used when jumps occur?  Is use case:
> >>
> >> * Move cursor to area you want to click with 1 finger.  Pick up 1
> >> finger.  Click in button area with 1 finger.
> >>
> >> or
> >>
> >> * Move cursor to area you want to cick with 1 finger.  Leave 1 finger
> >> on pad.  Click in button area with 2nd finger.
> >>
> >
> > This is the use case that I prefer, and at least for me, the one causing
> the
> > most issues. The fact that I can't use it in this way right now drives me
> > nuts. :)
>
> I've been thinking about this one and it looks like we will need a
> gesture delay in xf86-input-wacom soon.  If two finger touch is
> detected with in X ms of initial touch then allow current 2 finger
> scroll logic.  If its more than X ms apart (at least on clickpads)
> then assume its a click-and-drag and disable detection of 2 finger
> scroll.
>
> Can you give a little info on issue your seeing?  Is it because it
> enters 2-finger scroll mode or is it cursor jump?  If cursor jump, can
> you confirm your using xf86-input-synaptics 1.3.0 or later (which has
> something to address cursor jump for known cases)?
>
>
I can't put a second finger on the touchpad without the cursor jumping
around uncontrollably. That is with xf86-input-synaptics 1.3.0.


> Once the delay concept is there, it also helps 1 finger use case.  For
> clickpads, we can enable Area*Edge filtering for X ms only to debounce
> button clicks which then allows whole pad to still be used as long as
> they touch longer then X ms and no button is currently pressed.
>
> Chris
>
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