Xfce4 "tablet inserted" script with support for a Wacom Cintiq 13HD

xfce4-tablet-inserted.sh

#!/bin/sh
# Configure Wacom tablets for XFCE4's "Removable Media" scripting.

DEV_13HD="Wacom Cintiq 13HD"
LOCKFILE="/tmp/.xfce4-tablet-inserted-$USER.lock"

set -e
# set -x


# Xfce likes to call this script several times when a tablet is
# inserted, so use a lockfile and give up gracefully if another process
# is handling the configuration.

lockfile -1 -r 0 -l 2 -s 5 "$LOCKFILE" || exit 0

# The unused keys need to be mapped out here. For the unusable ones,
# "xsetwacom --set" reports "Unsupported offset into 'Wacom Button
# Actions' property".

sleep 1
case "`xsetwacom --list devices`" in

    *"$DEV_13HD"*)
        # Cintiq 13HD. This presents as three devices
        DEV_13HD_STYLUS="$DEV_13HD Pen stylus"
        DEV_13HD_ERASER="$DEV_13HD Pen eraser"
        DEV_13HD_PAD="$DEV_13HD Pad pad"

        # The pad has 9 usable buttons. Unused: 4-7,10-11,14-.
        
        # Top pair (dot, square)
        xsetwacom --set "$DEV_13HD_PAD" Button 2 Key z
        xsetwacom --set "$DEV_13HD_PAD" Button 3 Key y

        # Arrow buttons in a d-pad ring middle
        xsetwacom --set "$DEV_13HD_PAD" Button 10 Key f  # right
        xsetwacom --set "$DEV_13HD_PAD" Button 11 Key s  # top
        xsetwacom --set "$DEV_13HD_PAD" Button 1 Key tab # centre
        xsetwacom --set "$DEV_13HD_PAD" Button 12 Key d  # left
        xsetwacom --set "$DEV_13HD_PAD" Button 13 Key a  # bottom

        # Bottom pair (square, dot)
        xsetwacom --set "$DEV_13HD_PAD" Button 8 Key shift
        xsetwacom --set "$DEV_13HD_PAD" Button 9 Key ctrl

        # Set the display layout
        # xrandr --output HDMI1 --left-of eDP1

        # Map all input screen areas to the HDMI output...
        for dev in "$DEV_13HD_STYLUS" "$DEV_13HD_ERASER"; do
            xsetwacom --set "$dev" MapToOutput HDMI1
        done

        # Finally, send the user a pretty message.
        notify-send --icon=dialog-information \
            "$DEV_13HD" \
            "Tablet configuration complete."
        ;;
    *)
        # Send the user a pretty message.
        notify-send --icon=dialog-warning \
            "No known graphics tablets" \
            "Try updating `basename $0` to cope."
        ;;
esac

# Keep the lock a a bit longer if we were successful.

sleep 5
rm -f "$LOCKFILE"