cub-input

#!/bin/bash

# Simple gui using Synclient and Yad to set mouse and touchpad settings 
# in Openbox and other non-gnome distros, specifically Cub Linux!

# Version 0.3cub1
# Licensed under GPLv3
# RichJack <contact@cublinux.com> https://cublinux.com

# Configuration file
CONF="$HOME/.config/cub-input"

####################################
### GET ALL THE CURRENT SETTINGS ###
####################################
function getcurrent(){
# Get keyboard settings:
if [[ $(xset -q | grep 'auto repeat:' | awk '{print $3}') == "on" ]]; then
	AUTOREP=TRUE
else
	AUTOREP=FALSE
fi
# Repeat delay is in milliseconds. Any delay longer than 1 sec is not worth having
# autorepeat set to on, so divide by 10 to get a percent for scale dialog
REPDEL=$(xset -q | grep 'auto repeat delay:' | awk '{print ($4/10)}')
# Repeat rate is in characters per second. Keep max at 100 - it's very fast!
REPRATE=$(xset -q | grep 'auto repeat delay:' | awk '{print $7}')

# Get current mouse button mappings
if [ -f $CONF ]; then
   if [[ $(cat $CONF | grep "xmodmap -e" | awk '{print $5}') == "1" ]]; then
	LEFTH=FALSE
   else
	LEFTH=TRUE
   fi
   if [[ $(cat $CONF | grep "xmodmap -e" | awk '{print $8}') == "4" ]]; then
	NATSCROLL=FALSE
   else
	NATSCROLL=TRUE
   fi
else
   LEFTH=FALSE
   NATSCROLL=FALSE
fi

# Get touchpad settings:
# Vertical and horizontal edge scrolling
if [[ $(synclient -l | grep VertEdgeScroll  | awk -F' = ' '{print $2}') == "1" ]]; then
	VES=TRUE
else
	VES=FALSE
fi
HES=$VES
# Vertical and horizontal 2-finger scrolling
if [[ $(synclient -l | grep VertTwoFingerScroll  | awk -F' = ' '{print $2}') == "1" ]]; then
	V2FS=TRUE
else
	V2FS=FALSE
fi
H2FS=$V2FS
# MaxTapTime set to 0 to disable tap to click, 70 is minimum for detection, 180 is default
if [[ $(synclient -l | grep MaxTapTime  | awk -F' = ' '{print $2}') -lt 70 ]]; then
	TTC=TRUE
else
	TTC=FALSE
fi
# PalmDetect - only when hardware supported
if [[ $(synclient -l | grep PalmDetect  | awk -F' = ' '{print $2}') == "1" ]]; then
	PALM=TRUE
else
	PALM=FALSE
fi

# Touchpad status:
# 0 = Touchpad is enabled, 1 = Touchpad is switched off, 
# 2 = Only tapping and scrolling is switched off (can do this via other settings so ignore it)
if [[ $(synclient -l | grep TouchpadOff  | awk -F' = ' '{print $2}') == "1" ]]; then
	TOUCH="Disabled@Enabled"
else
	TOUCH="Enabled@Disabled"
fi

# Get mouse speed using Xset and transform into integer so we can do a scale of 0-100
# Xset only accepts integers or fractions nominally in the range 0-10 so divide by 10 after and look up decimals
MSPEED=$(xset -q | grep acceleration: | awk '{print "scale=2;("$2")*10"}' | bc | rev | cut -c 4- | rev)
# Touchpad max speed - set an arbitrary ceiling of 7
TSPEED=$(synclient -l | grep MaxSpeed  | awk -F' = ' '{print "scale=2; ("$2"/7)*100"}' | bc | rev | cut -c 4- | rev)
# Touchpad acceleration - how quickly it gets up to speed (has to be a floating point, so multiply by 1000 and round)
TACCEL=$(synclient -l | grep AccelFactor | awk -F' = ' '{printf("%d\n", $2*1000)}')
}

function boolean(){
# convert TRUE to 1 and FALSE to 0
case $1 in
   TRUE) echo 1 ;;
   FALSE) echo 0 ;;
   *) echo "Err: Unknown boolean value \"$1\"" 1>&2; exit 1 ;;
esac
}

function getsettings(){
#Split the settings output by pipe symbol:
_opt=( ${settings//|/ } )
#Align the setting with corresponding variable converting true to 1 and false to 0
_AUTOREP="$(boolean "${_opt[0]}")"
_REPDEL=$(( ${_opt[1]}*10 ))
_REPRATE=${_opt[2]}
_LHAND="$(boolean "${_opt[3]}")"
_NATSCROLL="$(boolean "${_opt[4]}")"
_VES="$(boolean "${_opt[5]}")"
_V2FS="$(boolean "${_opt[6]}")"
_TTC="$(boolean "${_opt[7]}")"
_PALM="$(boolean "${_opt[8]}")"
_TOUCH=${_opt[9]}
_MSPEED=${_opt[10]}
_TSPEED=$(echo "scale=2; (${_opt[11]}/100)*7" | bc)
_TACCEL=$(echo ${_opt[12]} | awk '{printf($1/1000)}')
}

function savechanges(){
# Overwrite the settings file
echo "# Mouse, touchpad and keyboard user session settings set by cub-input" > $CONF

# Keyboard settings and mouse speed are set by Xset
if [ $_AUTOREP -eq 1 ]; then
   xset r rate $_REPDEL $_REPRATE
   echo "xset r rate $_REPDEL $_REPRATE" >> $CONF
else
   xset r off
   echo "xset r off" >> $CONF
fi
# Mouse speed must be expressed as a fraction or integer
xset m "$_MSPEED/10"
echo "xset m $_MSPEED/10" >> $CONF

# Left handed mouse and natural scrolling are both controlled by Xmodmap
if (( $_LHAND == 0 && $_NATSCROLL == 0 )); then
   xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9 10 11 12"
   echo 'xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9 10 11 12"' >> $CONF
elif (( $_LHAND == 0 && $_NATSCROLL == 1 )); then
   xmodmap -e "pointer = 1 2 3 5 4 6 7 8 9 10 11 12"
   echo 'xmodmap -e "pointer = 1 2 3 5 4 6 7 8 9 10 11 12"' >> $CONF
elif (( $_LHAND == 1 && $_NATSCROLL == 0 )); then
   xmodmap -e "pointer = 3 2 1 4 5 6 7 8 9 10 11 12"
   echo 'xmodmap -e "pointer = 3 2 1 4 5 6 7 8 9 10 11 12"' >> $CONF
elif (( $_LHAND == 1 && $_NATSCROLL == 1 )); then
   xmodmap -e "pointer = 3 2 1 5 4 6 7 8 9 10 11 12"
   echo 'xmodmap -e "pointer = 3 2 1 5 4 6 7 8 9 10 11 12"' >> $CONF
fi

# Touchpad state
case $_TOUCH in
	Enabled) _TOUCH="0" ;;
	Disabled) _TOUCH="1" ;;
	*) _TOUCH="0" ;;
esac
# Tap to click
if [ $_TTC -eq 0 ]; then
   _TTC=180
else
   _TTC=0
fi
# Send settings to synclient
synclient VertEdgeScroll=$_VES HorizEdgeScroll=$_VES VertTwoFingerScroll=$_V2FS HorizTwoFingerScroll=$_V2FS TouchpadOff=$_TOUCH PalmDetect=$_PALM MaxTapTime=$_TTC MaxSpeed=$_TSPEED AccelFactor=$_TACCEL
echo "synclient VertEdgeScroll=$_VES HorizEdgeScroll=$_VES VertTwoFingerScroll=$_V2FS HorizTwoFingerScroll=$_V2FS TouchpadOff=$_TOUCH PalmDetect=$_PALM MaxTapTime=$_TTC MaxSpeed=$_TSPEED AccelFactor=$_TACCEL" >> $CONF
# Ensure the conf file is executable
chmod +x $CONF
}

function restoredefaults(){
xset r rate 500 33
xset m 30/10 4
xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9 10 11 12"
synclient VertEdgeScroll=1 HorizEdgeScroll=1 VertTwoFingerScroll=1 HorizTwoFingerScroll=1 TouchpadOff=0 PalmDetect=0 MaxTapTime=180 MaxSpeed=1.75 AccelFactor=0.04
mv -f $CONF ${CONF}.bak
echo '# Mouse, touchpad and keyboard user session settings set by cub-input
xset r rate 500 33
xset m 30/10 4
xmodmap -e "pointer = 1 2 3 4 5 6 7 8 9 10 11 12"
synclient VertEdgeScroll=1 HorizEdgeScroll=1 VertTwoFingerScroll=1 HorizTwoFingerScroll=1 TouchpadOff=0 PalmDetect=0 MaxTapTime=180 MaxSpeed=1.75 AccelFactor=0.04
' > $CONF
}

##########################
### MAIN WIDGET WINDOW ###
##########################
function mainwindow(){
settings=$(yad --title="Mouse, Touchpad & Keyboard Settings" --text='<span font_weight="bold">Mouse, Touchpad &amp; Keyboard Settings</span>' \
--form --scroll --width=420 --height=465 --item-separator='@' \
--window-icon=input-mouse --image=input-mouse --image-on-top \
--class=cub-input --name=cub-input \
--button="gtk-close:1" --button="Restore defaults:2" --button="gtk-apply:0" \
--field=":LBL" \
--field="<b>Keyboard Settings</b>:LBL" \
--field="Auto Repeat:CHK"  \
--field="Repeat delay (ms):SCL" \
--field="Repeat rate (cps):SCL" \
--field=":LBL" \
--field="<b>Mouse &amp; Touchpad Settings</b>:LBL" \
--field="Left handed configuration:CHK" \
--field="Enable natural scrolling:CHK" \
--field="Enable edge scrolling:CHK" \
--field="Enable two finger scrolling:CHK" \
--field="Disable tap to click:CHK" \
--field="Enable palm detection:CHK" \
--field="Touchpad status:CB" \
--field=":LBL" \
--field="<b>Mouse &amp; Touchpad Speed</b>:LBL" \
--field="Mouse pointer speed:SCL" \
--field="Touchpad speed:SCL" \
--field="Touchpad acceleration:SCL" \
"" "" "$AUTOREP" "$REPDEL" "$REPRATE" \
"" "" "$LHAND" "$NATSCROLL" "$VES" "$V2FS" "$TTC" "$PALM" "$TOUCH" \
"" "" "$MSPEED" "$TSPEED" "$TACCEL")

response=$?

# If cancelled then don't do anything, just quit now!
# Cancel = 1  Close window icon = 252
# Once applied keep dialog open?

case $response in
	0) getsettings && savechanges && getcurrent && mainwindow;;
	1) exit 0 ;;
	2) restoredefaults && getcurrent && mainwindow;;
	252) exit 0 ;;
	*) exit 1;;
esac
}
getcurrent
mainwindow

#####################
### UNUSED PARAMS ###
###############################################################
### TapButton1 1 or 3 -- switch primary buttons USE XMODMAP #######
### TapButton3 3 or 1 -- switch primary buttons USE XMODMAP ############
### TAP1=$(synclient -l | grep TapButton1  | awk -F' = ' '{print $2}') #
### TAP3=$(synclient -l | grep TapButton3  | awk -F' = ' '{print $2}') #
### MINSP=$(synclient -l | grep MinSpeed  | awk -F' = ' '{print $2}')  #
########################################################################