Re: [meta-oe-meta-systemd 0/5] xinput-calibrator rework

[Koen Kooi <koen@dominion.thruhere.net>]

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Op 05-02-13 23:18, Andreas Müller schreef:
> * Implemented are 3 modes of invocation: 1. udev/systemd 2.
> /etc/xdg/autostart 3. manual 1/2 are selected upon DISTRO_FEATURES
> containing systemd or not
> 
> * The calibration is stored in
> /etc/X11/xorg.conf.d/99-<name-of-touchscreen>.conf Herby support for
> multiple touchsceen devices is prepared.
> 
> * The script detects upon parameter information how it was called and
> waits for xserver to come up / detect connected touchsceen devices. If no
> matching calibration file is found, the xinput_calibrator is called for
> this device. For systemd invocation the default display is choosen.
> 
> * For manual invocation and multiple touchscreen devices attached, the
> operator can select which device to calibrate interactively.
> 
> * Multiple touchscreen support is prepared - the following open issues
> are known: * Multiple touchscreens with same device name will get same
> calibration values. An unique device identifier could not be found yet. *
> systemd startup with multiple device cause multiple instances of 
> xinput_calibrator being started without information for which device the
> calibration is performed.
> 
> * Many many tests were performed: 2 automatic invocation types * (1st +
> 2nd startup) * (0, 1, 2 touchscreens)
> 
> * Other layers need alignment for pointercal removement. If accepted I
> can take care (this is NOT an extortion :)

At FOSDEM I found out that the Tias wearing the FOSDEM organization hoodie
is actually the same Tias who maintains xinput-calibrator. Long story short:
we should send all out patches upstream and he'll have a look at them. He is
a big fan of the xorg conf snippet that this patchset introduces.
In the long term I think we'll need to see how well the 'tagging' of the
evdev itself with the calibration value is working. I looked at it a few
years ago and it didn't work for our usecases, but that might have changed.
THat should make non-X apps work as well (e.g. QT/e).

regards,

Koen
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