Hello all,

Following Levente's suggestion, I managed to read Linux input events
from /dev/input/event2 (which is a mouse on this system) without
blocking the whole image.

Attached is LinuxIO.st. To try it out,

  d := LinuxInputEventDevice openPath: '/dev/input/event2'.
  d eventHandler:
    [:e | Transcript nextPutAll: e printString; crlf; flush].

(Change event2 to the device file for your mouse - or touchscreen!)

Then, wiggling the mouse should print messages to Transcript.

To stop it,

  d close.

(You can start it again with "d open".)

It's just a proof-of-concept; ideally, it'd know to reopen itself at
image startup. Plus it'd be useful to have some way of identifying at
least device classes. But it's good enough to start playing with reading
touchscreens, perhaps!

Regards,
  Tony
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