On Wed, Jan 30, 2013 at 2:57 PM, Peter Hutterer
<[email protected]> wrote:
> On Tue, Jan 29, 2013 at 08:21:02PM -0800, Andy Lutomirski wrote:
>> I have a Lenovo laptop with a trackpoint and a touchpad.  I much
>> prefer the trackpoint for moving the cursor, but the touchpad is
>> handy for two-finger scrolling.  The Windows driver allows a mode
>> with gestures only on the touchpad; add such a mode in Linux too.
>> (Leaving the touchpad fully enabled is no good; palm detection is
>> spotty at best.)
>>
>> Signed-off-by: Andy Lutomirski <[email protected]>
>> ---
>> I'm a little surprised that this apparently can't be done in the XI2
>> core.  Is there a better way?
>
> You should be able to get the same effect by setting ConstantDeceleration on
> your device to something really high (50 or so will likely do). The touchpad
> will still submit motion events, but x/y pointer movement will be slowed
> down enough to never actually change.
>
> would that work for you?

That seems to work.  The docs are a bit misleading IMO, though -- this
decelerates by a factor much more than 50.

Are there any easy-to-use hotplug-aware tools for setting XI2
properties on a per-device basis?  Doing this in xorg.conf seems kind
of sad.

--Andy
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