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#!/bin/sh
# Get class of a wid
get_class() {
id=$1
if [ -z "$id" ]; then
echo ""
else
xprop -id "$id" | sed -n '/WM_CLASS\|WM_COMMAND/s/.*"\(.*\)".*/\1/p'
fi
}
get_pid() {
xprop _NET_WM_PID -id "$1" | awk '/[0-9]{4}/ {print $3}'
}
get_ppid() {
ps -o ppid= -p $1
}
check_swallowing_process() {
[ -n $(get_pid $1) ] && return 0
[ "$(get_ppid "$(get_ppid "$(get_pid "$1")")")" = "$(get_pid "$2")" ] && return 0 || return 1
}
swallow() {
addedtodesktop=$2
lasttermdesktop=$(bspc query -D -n last)
swallowerid=$1
swallowingid=$(bspc query -N -n last)
if [ "$addedtodesktop" = "$lasttermdesktop" ] && check_swallowing_process "$swallowerid" "$swallowingid"; then
cat ~/.config/bspwm/noswallow ~/.config/bspwm/terminals | grep "^$(get_class "$swallowerid")$" && return
grep "^$(get_class "$swallowingid")$" ~/.config/bspwm/terminals || return
echo "$swallowerid $swallowingid" >> /tmp/swallowids
bspc node "$swallowingid" --flag hidden=on
fi
}
spit() {
spitterid=$1
spitterdesktop=$2
grep "^$spitterid" /tmp/swallowids || return
spittingid=$(grep "^$spitterid" /tmp/swallowids | head -n1 | awk '{print $2}')
bspc node "$spittingid" --flag hidden=off
termdesktop=$(bspc query -D -n "$spittingid")
[ "$termdesktop" = "$spitterdesktop" ] || bspc node "$spittingid" -d "$spitterdesktop"
bspc node "$spittingid" -f
sed -i "/^$spitterid/d" /tmp/swallowids
}
bspc subscribe node_add node_remove | while read -r event
do
case $(echo "$event" | awk '{ print $1 }') in
node_add)
swallow $(echo "$event" | awk '{print $5 " " $3}')
;;
node_remove)
spit $(echo "$event" | awk '{print $4 " " $3}')
;;
esac
done
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