configure-tablet

#! /usr/bin/env bash

tabletId='056A:006D'                            # check in your tabletprofilesrc
deviceName='HUION Huion Tablet_HS611 Pad pad'   # check with `xsetwacom list`

profilerc="$HOME/.config/tabletprofilesrc"
wacomtabletrc="$HOME/.config/wacomtablet-kderc"

# Map parameter names from kcm-wacomtablet config to xsetwacom notation
# Source: https://github.com/KDE/wacomtablet/blob/master/src/kded/xsetwacomproperty.cpp
# You may need to add more.
declare -A param_adaptor=(
    ['Button1']='Button 1'
    ['Button2']='Button 2'
    ['Button3']='Button 3'
    ['Button4']='Button 8'
    ['Button5']='Button 9'
    ['Button6']='Button 10'
    ['Button7']='Button 11'
    ['Button8']='Button 12'
    ['Button9']='Button 13'
    ['Button10']='Button 14'
    ['StripLeftUp']='StripLeftUp'
    ['StripLeftDown']='StripLeftDown'
)

function current_profile() {
    awk -F = '/'$tabletId'/ {print $2}' $wacomtabletrc
}

# Get config section for pad (device where express buttons are)
function pad_settings() {
    # Get section starting from header until empty line, skip header
    hdr="\[$tabletId\]\[$(current_profile)\]\[pad\]"
    awk '/'$hdr'/ {found=1}
        { 
            if(found){
                ct++;
                if(ct==1){next} else {print}
            }
        }
        /^$/{found=0}
        ' $profilerc
}

function set_pad_settings() {
    # For each setting in config block
    pad_settings | while read line ; do
        # Skip empty line at the end
        if [ -z "$line" ]; then
            continue
        fi

        # Read and convert entries
        IFS="=" read key value <<< $line
        param=${param_adaptor[$key]}

        # Set the configs
        xsetwacom --set "$deviceName" $param $value
    done

    notify_profile_change
}

function check_tablet_available() {
    [[ $(xsetwacom list) =~ ($deviceName) ]]
}

function notify_profile_change() {
    notify-send --icon="input-tablet" --app-name="Tablet Configurator" "Tablet Profile set/updated: $(current_profile)"
}

# ==============================================================================

function main() {
    dbus-monitor --profile "type='signal',sender='org.kde.Wacom',interface='org.kde.Wacom'" |
    while read -r line; do
        if $(check_tablet_available) ; then
            set_pad_settings
        fi
    done
}

main