[Expired for xserver-xorg-input-evdev (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-input-evdev (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1078272
Title:
It's impossible to configure multiple touchscreens using evdev
Status in “xserver-xorg-input-evdev” package in Ubuntu:
Expired
Bug description:
We're trying to get a multi-touchscreen (multiple touchscreens not
multi touch) setup working with the evdev driver in Natty Narwhal.
Basically, the touchscreens are configured and working except that the
mapping to the correct X screen is wrong. We set up 5 touchscreens in
a row (Xorg ServerLayout "RightOf") and their corresponding
touchscreen inputdevices. Using xinput we are able to create a pointer
for each of the touchscreens. The following is observed then: When
touching any screen, the resulting movement of the pointer is only
displayed on the first X screen (there are 5 pointers visible then on
this screen.). This is not at all the desired behavior. We would like
to attach a touchscreen to a specific X screen.
Unfortunately, we found no way to tell the evdev driver to map a
InputDevice to a X screen. Older versions of the driver (1.1.2)
provided an option "AbsoluteScreen" (see
http://manpages.ubuntu.com/manpages/dapper/en/man4/evdev.4.html) but
the latest version hasn't anything like this. I know that the evtouch
driver would provide a "ScreenNo" option, however evtouch is not
available for Natty Narwhal. We also experimented with the Xorg
coordinate transformation matrix, but with the result that the mouse
movements where still on the first X screen.
So my question is:
How do I tell the evdev driver to map an InputDevice to a specific X screen?
Is there an option line in xorg.conf or is there any method via xinput?
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