hjcbar.sh

#!/bin/sh

# Run this script with:
# killall -9 lemonbar hjcbar.sh; hjcbar.sh | lemonbar -a 50 -p -f "ibm plex mono:size=14" -f "DejaVu Sans Mono:size=14" -f "Noto Sans CJK TC:size=14" -f "IPAGothic:size=14"  -f  "Font Awesome:size=14" -B "#282828" -F "#ebdbb2" -n "hjcbar" | sh &

delim='┋'

calc () { awk "BEGIN { print int($*) }"; }

toggle () { [ $toggle -eq 1 ] && toggle= || toggle=1; }

time () { time="%{A1:$TERMINAL -e calcurse &:}$(date '+%b-%d %H:%M:%S')%{A1}"; }

volume () { volume="%{A1:pulsemixer --toggle-mute; pkill -1 hjcbar.sh:}%{A3:$TERMINAL -e pulsemixer &:}%{A5:pulsemixer --change-volume +1; pkill -1 hjcbar.sh:}%{A4:pulsemixer --change-volume -1; pkill -1 hjcbar.sh:}$(amixer get Master | grep -o "[0-9]*%\|\[on\]\|\[off\]" | sed "s/\[on\]//;s/\[off\]//")%{A4}%{A5}%{A3}%{A1}"; }

network () { network="%{A1:$TERMINAL -e nmtui &:}$(printf '%s ' "$(grep "^\s*w" /proc/net/wireless | awk '{ print "", int($3 * 100 / 70) "%" }')" "$(sed "s/down/❌/;s/up//;s/unknown//" /sys/class/net/e*/operstate)")%{A1}"; }

system () {
    total=$(($(cat -u /proc/stat | head -n 1 | cut -b 6- | tr ' ' '+')))
    idle=$(($(cat -u /proc/stat | head -n 1 | cut -b 6- | cut -d ' ' -f 4,6 | tr ' ' '+')))
    [ -z $pretotal ] && pretotal=$((total-1))
    [ -z $preidle ] && preidle=$((idle-1))
    cpu=" $(calc "(($total-$pretotal)-($idle-$preidle))/($total-$pretotal)*100")%"
    pretotal=$total
    preidle=$idle
    memory=" $(free -h | sed -n '2{p;q}' | cut -d ' ' -f 19)"
    system="%{A1:$TERMINAL -e htop &:}$memory $cpu%{A1}"
}

weather () {
        [ "$(stat -c %y "$HOME/.local/share/weatherreport" 2>/dev/null | cut -d' ' -f1)" = "$(date '+%Y-%m-%d')" ]
    case $? in
        0) weather="%{A1:$TERMINAL -e less $HOME/.local/share/weatherreport &:}$(sed '16q;d' "$HOME/.local/share/weatherreport" | grep -wo "[0-9]*%" | sort -n | sed -e '$!d' | sed -e "s/^/ /g" | tr -d '\n' &&
        sed '13q;d' "$HOME/.local/share/weatherreport" | grep -o "m\\(-\\)*[0-9]\\+" | sort -n -t 'm' -k 2n | sed -e 1b -e '$!d' | tr '\n|m' ' ' | awk '{print " ",$1 "°","",$2 "°"}')%{A}" ;;
        *) ping -q -c 1 1.1.1.1 >/dev/null &&
        curl -s "wttr.in/$location" > "$HOME/.local/share/weatherreport" &&
        weather="%{A1:$TERMINAL -e less $HOME/.local/share/weatherreport &:}$(sed '16q;d' "$HOME/.local/share/weatherreport" | grep -wo "[0-9]*%" | sort -n | sed -e '$!d' | sed -e "s/^/ /g" | tr -d '\n' &&
        sed '13q;d' "$HOME/.local/share/weatherreport" | grep -o "m\\(-\\)*[0-9]\\+" | sort -n -t 'm' -k 2n | sed -e 1b -e '$!d' | tr '\n|m' ' ' | awk '{print " ",$1 "°","",$2 "°"}')%{A}" ;;
        esac
}

battery () {
    for x in /sys/class/power_supply/BAT?; do
    num="${x##*BAT}"
    AC="$(cat $x/status)"
    CAP="$(cat $x/capacity)"
    case $AC in
        "Charging") battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
        *)
        case "$CAP" in
            100|9[0-9]) battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
            8[0-9]|7[0-9]) battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
            6[0-9]|5[0-9]) battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
            4[0-9]|3[0-9]) battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
            *) battery="$(printf '%s' "$battery" " $num: $CAP%")" ;;
        esac
    esac
    done
}

groups() {
    cur=$(xprop -root _NET_CURRENT_DESKTOP)
    cur=${cur##* }
    tot=$(xprop -root _NET_NUMBER_OF_DESKTOPS)
    tot=${tot##* }
    wincount="$(xdotool search --all --onlyvisible --desktop $cur "" 2>/dev/null | wc -l)"
    monitorcount=$(xrandr --listactivemonitors | tail -n +2 | wc -l)
    idle='-'
    active='†'
    occupy='o'
    case "$monitorcount" in
        '1')
        line=$(printf '%*s ' "$((tot-1))" | tr ' ' "$idle")
        for w in $(wmctrl -l | cut -d ' ' -f3 | uniq); do
        line=$(printf '%s' "$line" | sed "s/^\(.\{$w\}\)./\1$occupy/")
        done
        ws=$(echo $line | sed "s/^\(.\{$cur\}\)./\1$active/")
        ;;
    '2') sep=$(calc "$tot/$monitorcount")
        if [ $cur -lt $sep ]; then
        line=$(printf '%*s ' "$tot" | tr ' ' "$idle")
        for w in $(wmctrl -l | cut -d ' ' -f3 | uniq); do
            w=$((w+1))
            line=$(printf '%s' "$line" | sed "s/^\(.\{$w\}\)./\1$occupy/")
        done
        ws=$(echo $line | sed "s/^\(.\{$cur\}\)./\1$active/; s/\(.\{$sep\}\)./\1 /")
        else
        cur=$(calc "$cur+1")
        line=$(printf '%*s ' "$tot" | tr ' ' "$idle")
        for w in $(wmctrl -l | cut -d ' ' -f3 | uniq); do
            w=$((w+1))
            line=$(printf '%s' "$line" | sed "s/^\(.\{$w\}\)./\1$occupy/")
        done
        ws=$(echo $line | sed "s/^\(.\{$cur\}\)./\1$active/; s/\(.\{$sep\}\)./\1 /")
        fi
        ;;
    esac

    # Version w/o occupy:
    # case "$monitorcount" in
    # '1') ws=$(printf '%*s ' "$((tot-1))" | tr ' ' "$idle" | sed "s/^\(.\{$cur\}\)./\1$active/") ;;
    # '2') sep=$(calc "$tot/$monitorcount")
        # if [ $cur -lt $sep ]; then
        # ws=$(printf '%*s ' "$tot" | tr ' ' "$idle" | sed "s/^\(.\{$cur\}\)./\1$active/; s/\(.\{$sep\}\)./\1 /")
        # else
        # cur=$(calc "$cur+1")
        # ws=$(printf '%*s ' "$tot" | tr ' ' "$idle" | sed "s/^\(.\{$cur\}\)./\1$active/; s/\(.\{$sep\}\)./\1 /")
        # fi
        # ;;
    # esac
}

music () {
    playicon=""
    pauseicon=""
    format=$(mpc -f "[%title%]|[%file%]" 2>/dev/null)
    name=$(printf '%s' "$format" | head -n 1)
    name="${name##*/}" status="$(printf '%s' "$format" | grep -o "\[playing\]\|\[paused\]" | tr '\n' ' ' | sed "s/\[playing\]/$playicon/; s/\[paused\]/$pauseicon/")"

    music="%{A1:mpc toggle > /dev/null; pkill -15 hjcbar.sh:}%{A3:$TERMINAL -e ncmpcpp &:}$([ ${#name} -ge 40 ] && printf '%s' "$(printf '%s' "$name" | cut -b 1-40)... $status" || printf '%s' "$name $status")%{A3}%{A1}"
}

musictime () { musictime=$(mpc status 2>/dev/null | grep -o "[0-9]*:[0-9]*/[0-9]*:[0-9]*"); }

# This loop will fill a buffer with our infos, and output it to stdout.
update () {
    left="${ws} ${wincount} $delim ${system}"

    right="${musictime} ${music} ${volume} $delim ${weather} $delim ${network} $delim ${battery} $delim ${time}"
    monitorlist=$(xrandr --listactivemonitors | tail -n +2 | cut -d ' ' -f 6)
    tmp=0
    for m in $monitorlist; do
    BAR="$BAR%{S${tmp}} %{l}%{A1:arandr &:}$m%{A1} $delim ${left}%{r}${right}"
    tmp=$((tmp+1))
    done
   echo "$BAR" | tr '\n' ' '
    unset tmp BAR

    # Hide bar in full screen
    wid=$(xdo id -a "hjcbar")
    for w in $(echo $wid); do
    xdo above -t "$(xdo id -N Bspwm -n root | sort | head -n 1)" "$w"
    done
}

refresh () {
    case "$sig" in
    1) volume ;;
    14) unset ws; groups ;;
    15) music ;;
    '') unset ws network battery time system; time; system; battery; network; musictime; groups ;;
    esac
    unset sig
}

recursive () {
    # [ $status = $playicon ] && sleep 1 && kill "$PID"
    [ $status = $playicon ] && sleep 1 && pkill -6 hjcbar.sh
}

trap 'sig=1;' 1
trap 'sig=6;' 6
trap 'sig=14;' 14
trap 'sig=15;' 15

time; volume; system; weather; battery; network; groups; music; musictime
while :; do
    # rec
    refresh; update &
    sleep 1 &
    PID=$!
    echo $PID > /tmp/PID
    # recursive &
    wait $PID
done