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Configuration touchscreen

The driver for the eGalax touchscreen on the Shuttle D10 is supported by recent kernel (3.17 hid_input) and is just to be configured and calibrated.

Preconfiguration

Edit file /usr/share/X11/xorg.conf.d/99-calibration.conf with content: 

Section "InputClass"
        Identifier      "calibration"
        MatchProduct    "eGalax Inc. USB TouchController"
        Option  "Calibration"   "53 3922 3937 200"
        Option  "SwapAxes"      "1"
        Option "EmulateThirdButton" "1"
        Option "EmulateThirdButtonTimeout" "750"
        Option "EmulateThirdButtonThreshold" "30"
EndSection

Calibration

After having a working but uncalibrated touchscreen via the xinput system, the calibration tool called xinput_calibrator must be installed before: 

apt-get install xinput-calibrator

Now fine calibration is possible by 

xinput_calibrator --output-type xorg.conf.d

Follow the guided session and replace calib values in /usr/share/X11/xorg.conf.d/99-calibration.conf with results.

http://www.flashsystems.de/articles/1612

Setting up a virtual keyboard

The keyboard is required to be permanently present on screen. In case of an accidentally close it should respawn. First install the virtual keyboard and the daemontools: 

apt-get install xvkbd daemontools