Some Wacom tablets can report the rotation of the pen about its barrel
in the ABS_Z axis. Report this via LIBINPUT_TABLET_AXIS_TWIST.
Signed-off-by: Jason Gerecke killert...@gmail.com
Acked-by: Peter Hutterer peter.hutte...@who-t.net
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src/evdev-tablet.c | 6 ++
src/evdev-tablet.h | 6
Why not call it Z instead of TWIST?
I'm pretty certain that is a common term for this movement, and that
twist is a rather strange term (roll is used more). And Z has the
advantage that it also implies that counter-clockwise is positive.
On 12/08/2014 09:59 AM, Jason Gerecke wrote:
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On 12/08/2014 12:13 PM, Bill Spitzak wrote:
Why not call it Z instead of TWIST?
I'm pretty certain that is a common term for this movement, and that
twist is a rather strange term (roll is used more). And Z has the
advantage that it also implies that counter-clockwise is positive.
In that
On Mon, Dec 08, 2014 at 12:13:17PM -0800, Bill Spitzak wrote:
Why not call it Z instead of TWIST?
I'm pretty certain that is a common term for this movement, and that twist
is a rather strange term (roll is used more). And Z has the advantage that
it also implies that counter-clockwise is
You are right that the fact that it is along the pen is not obvious from
Z. However this is actually true of X and Y (one of them could be
the angle in the plane defined by the other tilt).
Roll probably is good, but it still seems to me that Z is more common,
also it looks like the evdev
My primary complaint is that X and Y are both translational axes,
and by analogy Z should be as well. Using it as the name for a
rotational axis just muddies things, especially when we already have
DISTANCE. My second complaint is the same as Peter's: it should be
clear that is axis is in the
