#!/bin/bash

# author sudodus alias nio-wiklund at launchpad
#
# date        editor      comment
# 2015-04-16  sudodus     Created
# 2015-04-17  sudodus     Auto mode

mkdir -p "$HOME/.ztweaks"
lst="$HOME/.ztweaks/lst"
schk="$HOME/.ztweaks/schk"
tchk="$HOME/.ztweaks/tchk"
str="$HOME/.ztweaks/str"
auto=false

#######################################################################

function tmaster {

ans=
while [ "$ans" != "q" ]
do
 read setx[0] < "$schk"
 read langset < "$lst"

# echo "langset=$langset"
# echo "setx[0]=${setx[0]}"

 if [ "$langset" == "" ] || [ "${setx[0]}" != "TRUE" ]
 then
  langstr="Default code: 'us'"
 else
  langstr="Current code: '$langset'"
 fi

 ans=$(zenity --list --width=640 --height=240 \
--title="zTweaks - master menu" --cancel-label="Quit" \
--window-icon="/usr/share/icons/ztweaks.png" \
--text="Select an action (a line) from the list below" \
--column="Hotkey" --column="Action" \
"a" "Auto to use saved settings and skip further menus" \
"l" "Language (country code) for the keyboard. $langstr" \
"s" "Settings" \
"t" "Touchpad management" \
"q" "Quit" )

 if [ $? -ne 0 ]
 then
  return
 fi

 ans=${ans:0:1}          # fix for buggy(?) zenity --list in trusty

# echo "xxx $ans xxx"

 if [ "$ans" == "a" ]
 then
  auto=true
  setter
  tpad
  return
 elif [ "$ans" == "l" ]
 then
  sel-lang
  setter
 elif [ "$ans" == "s" ]
 then
  setter
 elif [ "$ans" == "t" ]
 then
  tpad
 fi
done
}

#######################################################################

function sel-lang {

langlist=$(find /usr/share/X11/xkb/symbols -maxdepth 1 -type f| sed 's#.*/##'| \
sort|grep -v -e altwin -e capslock -e compose -e ctrl -e empty -e eurosign \
-e group -e inet -e keypad -e kpdl -e level -e nbsp -e olpc -e rupeesign \
-e shift  -e srvr_ctrl -e terminate -e typo|tr '\n' ' ')

read langset < "$lst"
if [ "$langset" == "" ]
then
 langset="us"
fi

langlist="$langset $langlist"
#echo "$langlist"

langset=$(zenity --list  --width=400 --height=500 \
--title="zTweaks - select language for keyboard" --cancel-label="Quit" \
--window-icon="/usr/share/icons/ztweaks.png" \
--text="Current language (country) code: '$langset'" \
--window-icon="/usr/share/icons/ztweaks.png" \
--column="Select from the list or Quit to keep '$langset'" \
$langlist )

if [ $? -ne 0 ] || [ "$langset" == "" ]
then
 return
fi

echo "${langset//|*}" > "$lst"
#cat "$lst"
}

#######################################################################

function setter {

read langset < "$lst"
declare -a  setx=( "FALSE" "setxkbmap $langset" "setxkbmap us")

read setx[0] < "$schk"

if $auto
then
 if [ "${setx[0]}" == "TRUE" ]
 then
  echo "${setx[1]}" > $str
 else
  echo "${setx[2]}" > $str
 fi
else

 zenity --list --width=640 --height=200 \
--title="zTweaks - select (and save) settings" --cancel-label="Quit" \
--window-icon="/usr/share/icons/ztweaks.png" \
--text="Tick to select items in the list below" \
--checklist \
--separator=" " \
--print-column="2" \
--column="State" --column="Command" --column="Setting" \
"${setx[0]}"  "${setx[1]}"  "Language (country code) for the keyboard, default 'us'" \
 > "$str"
 if [ $? -ne 0 ]
 then
  return
 fi
fi

#cat "$str"

grep "${setx[1]}" "$str" >/dev/null
if [ $? -eq 0 ]
then
 setx[0]="TRUE"
# echo "${setx[1]}"
 ${setx[1]}
else
 setx[0]="FALSE"
# echo "${setx[2]}"
 ${setx[2]}
fi

echo "${setx[0]}" > "$schk"
#echo "${setx[0]}"
}

#######################################################################

function tpad {

read langset < "$lst"
declare -a syncl=( "FALSE" "synclient touchpadoff=1" "synclient touchpadoff=0" )
declare -a synda=( "FALSE" "syndaemon -d" "pkill -9 syndaemon" )

read syncl[0] synda[0] < "$tchk"

if $auto
then
 if [ "${syncl[0]}" == "TRUE" ]
 then
  tmp="${syncl[1]}"
 fi
 if [ "${synda[0]}" == "TRUE" ]
 then
  if [ "$tmp" != "" ]
  then
   tmp="$tmp ${synda[1]}"
  else
   tmp="${synda[1]}"
  fi
 fi
 echo "$tmp" > "$str"
else

 zenity --list --width=640 --height=200 \
--title="zTweaks - select (and save) touchpad settings" --cancel-label="Quit" \
--window-icon="/usr/share/icons/ztweaks.png" \
--text="Tick to select items in the list below" \
--checklist \
--separator=" " \
--print-column="2" \
--column="State" --column="Command" --column="Setting" \
"${syncl[0]}" "${syncl[1]}" "Touchpad Off" \
"${synda[0]}" "${synda[1]}" "Touchpad temporary off while typing" \
 > "$str"
 if [ $? -ne 0 ]
 then
  return
 fi
fi
#cat "$str"

grep "${syncl[1]}" "$str" >/dev/null
if [ $? -eq 0 ]
then
 syncl[0]="TRUE"
# echo "${syncl[1]}"
 ${syncl[1]} 2> /dev/null
else
 syncl[0]="FALSE"
# echo "${syncl[2]}"
 ${syncl[2]} 2> /dev/null
fi
grep "${synda[1]}" "$str" >/dev/null
if [ $? -eq 0 ]
then
 synda[0]="TRUE"
# echo "${synda[1]}"
 ${synda[1]}
else
 synda[0]="FALSE"
# echo "${synda[2]}"
 ${synda[2]}
fi
echo "${syncl[0]}  ${synda[0]}" > "$tchk"
#echo "${syncl[0]}  ${synda[0]}"
}

#######################################################################
#
# ztweaks main program
#
#######################################################################


if [ $# -eq 0 ]
then
 tmaster
elif [ "$1" == "auto" ]
then
 auto=true
 setter
 tpad
else
 echo "Usage: $0 [auto] # auto to use saved settings and skip menus"
fi