119 lines
2.9 KiB
Bash
Executable file
119 lines
2.9 KiB
Bash
Executable file
#!/bin/bash
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# shellcheck disable=SC2059,SC2064,SC2086,SC2001,SC2016
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# simple lightweight lemonbar script for use with dk
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set -eE -o pipefail
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bg="#000000" # background colour
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fg="#ffffff" # foreground colour
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hi="#00aaaa" # highlight colour
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ul=2 # underline thickness
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sep="┃" # separator text
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fifo="/tmp/bar.fifo"
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font="Iosevka:size=11"
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clock()
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{
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date +"T %a %H:%M "
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# sync up the clock to the minute mark
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min=$(date +"%M")
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while [[ $(date +"%M") == "$min" ]]; do
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sleep 1
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done
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while :; do
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date +"T %a %H:%M "
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sleep 60
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done
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}
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battery()
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{
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while :; do
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perc="$(cat /sys/class/power_supply/BAT0/capacity)"
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echo "B bat: ${perc}%"
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sleep 60
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done
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}
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volume()
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{
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vol="$(pactl get-sink-volume @DEFAULT_SINK@ | grep -oE '[1-9]+%' | head -n1)"
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echo "V vol: ${vol}"
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}
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workspaces()
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{
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# these will be filled out once we eval each line
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typeset name="" title="" layout="" focused=false active=false
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WS=""
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while read -r l; do
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printf '%s\n\n' "$1" >> "$HOME/a" 2>&1
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if [[ $l =~ ^title=* ]]; then
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# default foreground, background, and underline colours
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# changing the foreground and underline based on
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# the active and focused state
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f="$fg" b="$bg" u="$fg";
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$active && u="$hi"
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if $focused; then
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# clicking the layout symbol will cycle the layout
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lyt="%{A:dkcmd set layout cycle:}${layouts[$layout]}%{A}"
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WIN="${title:0:50}"
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f="$hi"
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fi
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# clicking on a workspace name will view it
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WS="$WS%{F$f}%{B$b}%{+u}%{U$u}%{A:dkcmd ws $name:} $name %{A}%{-u}%{B-}%{F-}"
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fi
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# turn the dk JSON output into lines that can be `eval`ed one by one,
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# filling out the following fields: name, focused, active, layout, title
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done < <(dkcmd -p <<< "$1" | sed '/.*\[\|]/d; /[{}],\?/d; s/^\s*\|,$//g; /"monitor":\|"number":\|"id":/d; s/"\(.*\)": /\1=/; s/\$(/\\\$(/g; s/`/\\`/g')
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WS="$WS $lyt"
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}
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parsefifo()
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{
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# globals to simplify the workspaces call
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declare -g WS
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local time vol bat net
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while read -r line; do
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case $line in
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T*) time="${line#?}" ;;
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V*) vol="${line#?}" ;;
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B*) bat="${line#?}" ;;
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N*) net="${line#?}" ;;
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'{'*) workspaces "$line" ;;
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esac
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echo "%{l} ${WS}%{c}${time}%{r}${bat}${vol} "
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done
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}
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# kill the process and cleanup if we exit or get killed
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trap "trap - TERM; rm -f '$fifo'; kill 0" INT TERM QUIT EXIT PIPE
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# make the fifo
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[ -e "$fifo" ] && rm "$fifo"
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mkfifo "$fifo"
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# here we dump info into the FIFO, order does not matter things are parsed
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# out using the first character of the line. Click commands for left button
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# can be added by passing an argument containing the command (like below)
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#
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# comment a line to remove the "module"
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clock > "$fifo" &
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battery > "$fifo" &
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volume > "$fifo" &
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dkcmd status type=bar > "$fifo" &
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# run the pipeline
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if [[ $1 == '-b' ]]; then
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parsefifo < "$fifo" | lemonbar -b -a 32 -u $ul -B "$bg" -F "$fg" -f "$font" | sh;
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else
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parsefifo < "$fifo" | lemonbar -a 32 -u $ul -B "$bg" -F "$fg" -f "$font" | sh
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fi
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# vim:ft=sh:fdm=marker:fmr={,}
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