dock a terminal (or any window) to any parent window under x environement

attach.sh

#!/bin/bash
# requires: bspwm,xdotool,wmctrl,wmutils...
# usage: attach.sh [n]
# n is the size of the docked window, 1 equals 100% the parent size, 2 is 50% and so on..

unset x y w h
# kill old instance of the script to save resources: only one terminal allowed
script_name=${BASH_SOURCE[0]}
for pid in $(pidof -x $script_name); do
    if [ $pid != $$ ]; then
        kill -9 $pid 
        if [[ $(xdotool search --classname "status") ]]; then
        xdotool search --classname "status" windowkill
      fi
    fi 
done

function refresh_parent_geometry(){
  eval $(xwininfo -id "$parent" |
    sed -n -e "s/^ \+Absolute upper-left X: \+\([0-9]\+\).*/x=\1/p" \
           -e "s/^ \+Absolute upper-left Y: \+\([0-9]\+\).*/y=\1/p" \
           -e "s/^ \+Width: \+\([0-9]\+\).*/w=\1/p" \
           -e "s/^ \+Height: \+\([0-9]\+\).*/h=\1/p")  
           n="$1"
(( h/= $n ))
(( y= y+($n-1)*h ))   
g="0,$x,$y,$w,$h"
}

parent=$(bspc query -N -n focused)

# TERMINAL SIZE: 1 equals 100% the window
n=4
if [ ! -z "$1" ]; then
n="$1"
fi

refresh_parent_geometry $n

bspc rule -a URxvt:status state=floating follow=on focus=on layer=above

urxvt -cd $(thunar_lastdir) -name status &


eval $(bspc rule -a URxvt:status state=floating follow=on focus=on layer=above)

PID=$!

while [ "$WID" == "" ]; do
WID=$(xdo id -p $!)
done

wmctrl -i -r $WID -e $g

bspc node $parent -f

 bspc subscribe all | while read -a log ; do
# update geometry
if [[ ${log[0]} == "node_geometry" ]]; then
if [[ ${log[3]} == $parent ]]; then
refresh_parent_geometry $n
wmctrl -i -r $WID -e $g
fi
fi

 # detach term if parent floats #
# if [[ ${log[0]} == "node_state" ]]; then
# if [[ ${log[3]} == $parent ]]; then
# if [[ ${log[4]} == "floating" ]]; then
# bspc node $WID -t tiled
# fi
# fi
# fi


# xdotool search --name status


# fix term geometry (unfinished: allow vertical resize)
if [[ ${log[0]} == "node_geometry" ]]; then
if [[ $(tr "[:upper:]" "[:lower:]" <<<"${log[3]}") = $(tr "[:upper:]" "[:lower:]" <<<"$WID") ]]; then
  refresh_parent_geometry $n
   wmctrl -i -r $WID -e $g
fi
fi
# detach if term changes state
if [[ ${log[0]} == "node_state" ]]; then
if [[ $(tr "[:upper:]" "[:lower:]" <<<"${log[3]}") = $(tr "[:upper:]" "[:lower:]" <<<"$WID") ]]; then
  exit
fi
fi
if [[ ${log[0]} == "node_transfer" ]]; then
if [[ ${log[3]} == $parent ]]; then  
bspc node $WID -d ${log[5]}
fi
fi
# destroy term once parent closes
if [[ ${log[0]} == "node_remove" ]]; then 
if [[ ${log[3]} == $parent ]]; then
kill $PID
unset WID
exit 0
fi
fi

# end script when term is closed
if [[ ${log[0]} == "node_remove" ]]; then 
if [[ ${log[3]} == $WID ]]; then
exit 0
fi
fi
done

#