Hello Ping,
thank you for your answers.
> > Especially when moving the mouse near to the border or when lifting one
> > side of the mouse a little bit the cursor is freezing. Then moving or
> > clicking the mouse has no effect until I fully lift the mouse from the
> > tablet and put it back on it.
>
> Please try
> "xsetwacom set $dev CursorProx 256 $n, where dev is you device identifier
> and n is an non-negative integer. Try n from 0, and somewhere bigger and
> smaller than 8 to see which one works better for you. 8 is the current
> value for n.
I tried and got:
X Error: 8 BadMatch (invalid parameter attributes)
Error (22): WacomConfigSetRawParam: failed
Set: Failed to set cursor value for 'CursorProx'
After twiddling a little bit with the values I found the accepted range for
both parameters distance and hysteresis is 0 to 63.
I have no more freezing with the following command:
./xsetwacom set cursor CursorProx 63 63
But I have to lift the mouse quite far from the tablet to relocate it without
cursor movement. So I understand the need for the CursorProx feature. If only
the proximity detection after putting the mouse back on the tablet would be
more reliable.
> Refer to
> http://linuxwacom.sourceforge.net/index.php/howto/xsetwacom for details on
> how to use xsetwacom. I will take a look into the code to figure out a
> better way to support this function soon.
Is the distance to the tablet a value directly reported from the hardware or
is it calculated from other values? I mean, is it really necessary to force
the cursor out of proximity? Maybe only not reporting movement events if the
cursor has a specific distance would work better.
> Suppress applies to all devices. It reduces number of points/events sent
> to XInput. Thus, maybe able to reduce jitter to some extent. But, it
> reduces the accuracy of your data. Threshold only applies tp prssure.
> Please refer to http://linuxwacom.sourceforge.net/index.php/howto/inputdev
> for detail.
Sorry, I confused these two settings.
But I have to confirm Oliver's observation: When moving the cursor slowly it's
a bit jerky. Is relative mode implemented in hardware or is it calculated
from the reported absolute coordinates in software. Maybe a smooth relative
movement can be calculated as the delta to the absolute coordinate of the
point where the mouse came in proximity of the tablet.
If I ever have some more time I would like to help. :-)
With best regards,
Stefan
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