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|
#!/usr/bin/env bash
#
# DESCRIPTION:
# convenience queries into the sway container tree
#
swtree()
{
swaymsg -t get_tree
}
has_appid()
{
swtree | jq "[ .. | (select(.app_id?) | select(.app_id | test(\"$1\"))) // (select(.window_properties?.class?) | select(.window_properties.class | test(\"$1\"))) ]"
}
has_pid()
{
q=''
IFS=$' '; for pid in $1; do
if [[ -n $q ]]; then
q=".pid?==$pid or $q"
else
q=".pid?==$pid"
fi
done
swtree | jq "[ .. | select($q) ]"
}
has_exe()
{
pid_of_win="$(pgrep -x "$1" -d' ')"
if [[ -z "$pid_of_win" ]]; then
echo "process not found" >&2
exit 1
fi
ppid_of_proc="$(ps -q "$(echo "$pid_of_win" | tr ' ' ',')" -o ppid= |tr -d ' '| tr '\n' ','| sed 's/,$//')"
if [[ -z "$ppid_of_proc" ]]; then
echo "parent process not found" >&2
fi
IFS=$'\n'; for comm in $(ps -q "$ppid_of_proc" -o pid=,comm=); do
if [[ "$comm" =~ ^.*sh$ ]]; then
# parent process is a shell
# need to get parent process of shell (the terminal emulator)
pid_of_win="$pid_of_win $(ps -p "$(echo "$comm" | awk '{print $1}')" -o ppid= | tr -d ' ')"
fi
done
if [[ -z "$pid_of_win" ]]; then
echo "process not found" >&2
exit 1
fi
has_pid "$pid_of_win"
}
has_ws() {
swtree | jq "[ .. | select(.type?==\"workspace\" and .name?==\"$1\") ]"
}
latest()
{
type="$1"
swtree | jq "[ .. | select(.type?==\"$type\") ] | max_by(.id)"
}
list()
{
swtree | jq "[ .. | select(.type?==\"$1\") | .nodes=[\"...\"] ]"
}
moveto()
{
if [ ! -t 0 ]; then
read -r -i -e conId
sway [con_id="$conId"] move to workspace "$1"
else
sway [app_id="$1"] move to workspace "$2"
fi
}
# meta commands
_has()
{
case "$1" in
appid) has_appid "$2" ;;
pid) has_pid "$2";;
exe) has_exe "$2";;
ws) has_ws "$2";;
*)
printf 'usage: swq has COMMAND <args>\n'
printf '\nCOMMANDS:\n'
printf ' appid: returns the json of the window filtered by app_id/class (fuzzy matching)\n'
printf ' pid: returns json of the window filtered by pid\n'
printf ' exe: returns json of the window filtered by process name\n'
printf ' ws: returns json of the window filtered by workspace\n'
printf '\n'
exit 2 ;;
esac
}
_latest()
{
case "$1" in
workspace|ws) latest workspace ;;
container|con) latest con ;;
output) latest output ;;
*)
printf 'usage: swq latest <con|workspace|output>\n\n'
exit 2 ;;
esac
}
_list()
{
[ -n "$1" ] || { echo "usage: swq list <con|workspace>"; exit 1; }
[ "$1" == "ws" ] && _list workspace
list "$1"
}
_current()
{
case "$1" in
window) _current con ;;
con) swtree | jq '.. | select((.type? | test("con")?) and .focused?)' ;;
ws) _current workspace ;;
workspace) swtree | jq '.. | select(.type?=="workspace") | . as $parent | .. | select(.focused?==true) | $parent' ;;
output) $0 current workspace | jq -r '.output' ;;
output-full) $0 list output | jq ".[] | select((.type?==\"output\") and (.name?==\"$($0 current output)\"))" ;;
*)
printf 'usage: swq current <con|workspace|output>\n\n'
exit 2 ;;
esac
}
case "$1" in
has) shift; _has $@ ;;
latest) shift; _latest $@ ;;
list|ls) shift; _list $@ ;;
current|cur) shift; _current $@ ;;
focus-latest-con) sway [con_id="$(latest con | jq -r '.id')"] focus ;;
moveto) shift; moveto $@ ;;
-h|--help|help)
printf 'usage: swq COMMAND\n'
printf '\n'
printf 'QUERY COMMANDS:\n'
printf ' has: get object by criteria\n'
printf ' latest: get newest objects\n'
printf ' list: list objects\n'
printf ' current: get focused objects\n'
printf '\n'
printf 'ACTION COMMANDS:\n'
printf ' focus-latest-con\n'
printf ' moveto <appid> <ws>: move container with <appid> to <ws>\n'
printf '\n'
exit 2 ;;
*) swtree ;;
esac
|
