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dotfiles/.config/bspwm/windows.sh

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2022-07-09 18:46:03 +00:00
#!/usr/bin/env bash
# globals
version="1.1"
cache_path="${HOME}/.cache"
icon_map_path="$( dirname "$( readlink -f "$0" )" )/bspwm_window_titles_icon_map.txt"
# defaults
polybar_mode="true"
monocle_mode="false"
format_focused="[ {NAME} ]"
format_normal="{NAME}"
# wraps a text with polybar format command action
# $1 action
# $2 text
polybar_action_cmd() {
echo "%{A1:${1}:}${2}%{A}"
}
# formats window name with given format
# $1 format
# $2 window name
polybar_format_window_name() {
echo "$1" | sed "s/{NAME}/$2/"
}
help() {
echo "bspwm window titles"
echo "allows you to have bspwm window titles from each monitor in your bar"
echo "-------------------"
echo
echo "Syntax: bspwm_window_titles [-i <FILE_PATH>|m|p|f <FORMAT_FOCUSED|NORMAL>|V]"
echo "options:"
echo "h Print this help."
echo "i <FILE_PATH> Icon map path - custom path to file containing icon map"
echo "m Monocle mode - won't print window names when there is only one window on desktop."
echo "p Polybar action mode - will output window names wrapped with polybar action handlers."
echo " This allows you to directly click on a window name to focus it's window"
echo "f <FORMAT_FOCUSED|NORMAL> Format how focused/normal window names are displayed"
echo " You need to supply both polybar format tags (so need to use -f two times)"
echo " Example"
echo " bspwm_window_titles -f \"%{F#f00}{NAME}%{F-}\" -f \"{NAME}\""
echo " focused window name font color red and normal window as is"
echo "V Print software version and exit."
echo
}
while getopts ":hvmpf:i:" option; do
case $option in
h)
help
exit;;
m)
monocle_mode="true";;
i)
icon_map_path="$OPTARG";;
p)
polybar_mode="true";;
f)
formats+=("$OPTARG");
[[ -n ${formats[0]} ]] && format_focused="${formats[0]}"
[[ -n ${formats[1]} ]] && format_normal="${formats[1]}";;
v)
echo "Version $version";
exit;;
*)
echo "Error: Invalid option"
exit;;
esac
done
icon_map=$( cat "${icon_map_path}" )
# subscribe to events on which the window title list will get updated
bspc subscribe node_focus node_remove desktop_focus | while read -r _; do
# get all monitors
monitors=$( bspc query -M )
for monitor in $monitors; do
index=$((index + 1))
# get last focused desktop on given monitor
last_focused_desktop=$( bspc query -D -m "$monitor" -d .active )
# get windows from last focused desktop on given monitor
winids_on_desktop=$( bspc query -N -n .window -m "$monitor" -d "$last_focused_desktop" )
# get number of windows on desktop
number_of_windows=$( printf "$winids_on_desktop" | tr '\n' ' ' | wc -w )
# get a list of all windows
winlist=$( wmctrl -l -x )
for window_id in $winids_on_desktop; do
# replace all spaces and tabs with single spaces for easier cutting
window=$( echo "$winlist" | grep -i "$window_id" | tr -s '[:blank:]' )
# get window name
window_name=$( echo "$window" | cut -d " " -f 5- )
# longer window titles if there is only one window
[[ "$number_of_windows" == "1" ]] && char_cut="40" || char_cut="20"
# cut the window name
window_name_short=$( echo "$window_name" | cut -c1-"$char_cut" )
# get window class and match after a dot to get app name
window_class=$( echo "$window" | cut -d " " -f 3 | sed 's/.*\.//')
# if window id matched with list == not empty
if [[ -n "$window_name" ]]; then
# trim window name
window_name=$( echo "$window_name_short" | sed -e 's/^[[:space:]]*//' )
# display instance name if there is no window title
if [[ "$window_name" == "N/A" ]]; then
window_name=$(echo "$window" | cut -d " " -f 3 | cut -d "." -f 2 )
fi
# get icon for class name
window_icon=$( grep "$window_class" <<< "$icon_map" | cut -d " " -f2 )
# fallback icon if class not found
if [[ -z "$window_icon" ]]; then
window_icon=$( grep "Fallback" <<< "$icon_map" | cut -d " " -f2 )
fi
# join icon and name
window_name_with_icon="${window_icon} ${window_name}"
# apply formatting
if [[ $( bspc query -N -n focused) == "$window_id" ]]; then
formatted_window_name=$( polybar_format_window_name "$format_focused" "$window_name_with_icon" )
else
formatted_window_name=$( polybar_format_window_name "$format_normal" "$window_name_with_icon" )
fi
# wrap with polybar action cmd
[[ "$polybar_mode" == "true" ]] && formatted_window_name=$( polybar_action_cmd "bspc node -f ${window_id}" "$formatted_window_name")
curr_wins+="${formatted_window_name} "
fi
done
# if monocle set to true then don't print names if there is only one
if [[ "$monocle_mode" == "true" && "$number_of_windows" == "1" ]]; then
windows_print=""
else
windows_print="$curr_wins"
fi
# print out the window names to files for use in a bar
echo "$windows_print" > "${cache_path}/bspwm_windows_${index}.txt"
unset curr_wins
done
unset index
done