lemonbar: major refactor; polish bar

os/arch/.config/panel/lemons/bspwm.sh

@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-bspc subscribe report > "$PANEL_FIFO" &

os/arch/.config/panel/lemons/datetime.sh

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-
-date_icon="\ue267"
-clock_icon="\ue016"
-
-clock -sf "T${date_icon} %A, %b %d::${clock_icon} %I:%M %p"

os/arch/.config/panel/lemons/mail.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+[ -f ~/.secrets/accounts.sh ] && . ~/.secrets/accounts.sh || exit
+
+feed=$(curl -u "${MAIL_USER}:${MAIL_PASS}" --silent https://mail.google.com/mail/feed/atom)
+con=$(echo $feed | grep -c "<fullcount>")
+num=$(echo $feed | grep -o "<entry>" | wc -l)
+
+if [ "$con" -eq 1 ]
+then
+    # if [ "$num" -gt 0 ]; then
+        # oldnum=0
+        # [ -f /tmp/newmail ] && oldnum=$(cat /tmp/newmail)
+        # echo "$num" > /tmp/newmail
+        # if [ "$num" -ne "$oldnum" ]
+        # then
+        #     notify-send 'New email'
+        # fi
+    # fi
+    echo "M$num"
+else
+    echo "M!"
+fi

os/arch/.config/panel/lemons/music.sh

@@ -0,0 +1,26 @@
+# Not meant to be run directly
+
+while :
+do
+    output=$(mpc --format ";%title%;%artist%;%album%")
+    if echo $output | grep "^;" 2>&1 >/dev/null
+    then
+        title=$(echo "$output" | head -1 | cut -d';' -f2)
+        artist=$(echo "$output" | head -1 | cut -d';' -f3)
+        album=$(echo "$output" | head -1 | cut -d';' -f4)
+        seek=$(echo "$output" | awk 'NR==2 {print $3}')
+        perc=$(echo "$output" | awk 'NR==2 {print $4}' | tr -d '()')
+        state=$(echo "$output" | awk 'NR==2 {print $1}')
+
+        case "$state" in
+            "[playing]") echo -n "SP" ;;
+            "[paused]") echo -n "Sp" ;;
+            *) echo -n "S " ;;
+        esac
+
+        echo "$title^$artist^$album^$seek^$perc"
+    else
+        echo "S"
+    fi
+    sleep 1
+done

os/arch/.config/panel/lemons/updates.sh

@@ -1,7 +1,3 @@
 #!/usr/bin/env bash
 
-while :
+echo "U$(checkupdates | wc -l)"
-do
-    echo "U"$(checkupdates | wc -l)
-    sleep 3600
-done

os/arch/.config/panel/lemons/volume.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 
-muted="\ue202"
+# I expect all volume adjustments to be done through the volume.sh script (in
-speaker="\ue203"
+# os/arch/bin), which will inform lemonbar of changes, so we only need to intialize
+# volume once here.
 
 data=$(amixer get Master)
 vol=0
@@ -10,10 +11,4 @@ then
     vol=$(echo "$data" | sed -n 's/^.*\[\([0-9]\+\)%.*$/\1/p' | uniq)
 fi
 
-case "$vol" in
+echo "V$vol"
-    0) text="%{F$COLOR_FREE_FG}${muted}%{F-}"
-       ;;
-    *) text="${speaker} ${vol}%"
-       ;;
-esac
-echo "V%{A:volume.sh toggle:} ${text} %{A}"

os/arch/.config/panel/lemons/wifi.sh

@@ -1,27 +1,13 @@
 #!/usr/bin/env bash
 
-wifioff="\ue21a"
+# No wifi interface? Abort!
-wifi0="\ue25d"
+ints=$(awk -F "/" 'FNR==NR { wire[$5]++; next  } { split(FILENAME, state, "/"); if (state[5] in wire && $1 == "up") print state[5]  }' <(find /sys/class/net/*/wireless -type d) $(find /sys/class/net/*/operstate ! -type d))
-wifi1="\ue25e"
+[ -z "$ints" ] && echo "Ix" && exit
-wifi2="\ue25f"
-wifi3="\ue260"
-wifi4="\ue261"
 
+# Start watching
 while :
 do
     signal=$(awk 'NR==3 {print $3}' /proc/net/wireless)
-    if [ -n "$signal" ]
+    echo "I${signal%?},$(iwgetid --raw)"
-    then
-        icon=$wifi0
-        case "$signal" in
-            100|[6-9][0-9]*) icon=$wifi4 ;;
-            [4-5][0-9]*) icon=$wifi3 ;;
-            [2-3][0-9]*) icon=$wifi2 ;;
-            *) icon=$wifi1 ;;
-        esac
-        echo "I$icon $(iwgetid -r)"
-    else
-        echo "I%{F$COLOR_FREE_FG}${wifioff}%{F-} "
-    fi
     sleep 5
 done

os/arch/.config/panel/panel.sh

@@ -1,52 +1,199 @@
-#!/usr/bin/env dash
+#!/usr/bin/env bash
 
-# trap "trap - TERM; kill 0" INT TERM QUIT EXIT
+CWD="$(cd $(dirname $0) && pwd -P)"
 
 #
-PANEL_FIFO=/tmp/panel-fifo
+. $CWD/panel_config
-PWD=$(dirname $0)
+# trap "trap - TERM; [ -e "$PANEL_FIFO" ] && rm "$PANEL_FIFO"; kill 0" INT TERM QUIT EXIT
-THEME="hax"
-LEMONBAR="$(pgrep -cx lemonbar)"
 
-. $PWD/themes/$THEME.sh
+if [ -t 0 ]
-
+then
-if [ "$#" -eq 0 ]; then
+    if [ "$(pgrep -cx lemonbar)" -gt 0 ]
-    [ -e "$PANEL_FIFO" ] && rm "$PANEL_FIFO"
-    mkfifo "$PANEL_FIFO"
-
-    if [ "$LEMONBAR" -gt 0 ]
     then
-        echo "Lemonbar already running"
+        2>&1 echo "Lemonbar already running"
         exit
     fi
-
+else
-    # Load all lemons (components)
+    if pgrep lemonbar >/dev/null; then
-    for comp in $PWD/lemons/*.sh
+        # redirect stdin to fifo
+        [ -e "$PANEL_FIFO" ] || mkfifo "$PANEL_FIFO"
+        while read -r line
         do
-        echo "INIT: $(basename $comp)"
+            echo $line > "$PANEL_FIFO" &
-        . "$comp" > "$PANEL_FIFO" &
         done
+    else
+        2>&1 echo "Lemonbar isn't running"
+    fi
+    exit
+fi
 
-    #
-    # Bootstrap panel(s)
-    #
 
-    $PWD/panel_parse.sh $THEME < "$PANEL_FIFO" | \
+#
+# Bootstrap panel(s)
+#
+
+clock -sf "T%A, %b %d::%I:%M%p" > "$PANEL_FIFO" &
+xtitle -sf 'X%s' > "$PANEL_FIFO" &
+bspc subscribe report > "$PANEL_FIFO" &
+
+pushd $CWD/lemons >/dev/null
+for lemon in *.sh
+do
+    echo "INIT: $lemon"
+    ./$lemon > "$PANEL_FIFO" &
+done
+popd >/dev/null
+
+#
+progress-bar() {
+    BAR_SIZE=${2:-26}
+    C1="%{F#FF0000}-%{F-}"
+    C2="%{F#555555}-%{F-}"
+    DELIM="%{F#777777}|%{F-}"
+
+    echo "$1" | SIZE=$BAR_SIZE CHAR1="$C1" CHAR2="$C2" SEP='' START="$DELIM" END="$DELIM" mkb
+}
+
+parse() {
+    num_mon=$(bspc query -M | wc -l)
+    while read -r line
+    do
+        data="${line#?}"
+        case $line in
+            # Minimal icons
+            U*) updates=" %{F${COLOR[DIM]}}\ue00f%{F-}"
+                if [[ "$data" > 0 ]]; then
+                    updates=" %{F${COLOR[2]}}\ue00f$data%{F-} "
+                fi
+                ;;
+            M*) icon="${ICON[mail]}"
+                case "$data" in
+                    !)  mail="%{F${COLOR[3]}}$icon!%{F-}"
+                        ;;
+                    [1-9]*)
+                        mail="%{F${COLOR[1]}}$icon$data%{F-}"
+                        ;;
+                    0)  mail="%{F${COLOR[DIM]}}$icon%{F-}"
+                        ;;
+                esac
+                ;;
+            V*) case "$data" in
+                    0) vol="%{F${COLOR[DIM]}}${ICON[muted]}%{F-}"
+                       ;;
+                    *) vol="${ICON[speaker]}"
+                       ;;
+                esac
+                ;;
+
+            # Full segments
+            I*) ssid=" ${data#*,}"
+                case "${data%,*}" in
+                    100|[6-9][0-9]) icon="${ICON[wifi4]}$ssid" ;;
+                    [4-5][0-9]) icon="${ICON[wifi3]}$ssid" ;;
+                    [2-3][0-9]) icon="${ICON[wifi2]}$ssid" ;;
+                    [0-9]|1[0-9]) icon="${ICON[wifi1]}$ssid" ;;
+                    x) icon="${ICON[wifioff]}" ;;
+                    *) icon="${ICON[wifi0]}$ssid" ;;
+                esac
+                wifi="   $icon "
+                ;;
+            E*) # TODO ethernet
+                ;;
+            X*) title="$data"
+                ;;
+            T*) datetime="   ${ICON[date]} ${data%::*}   ${ICON[time]} ${data#*::}"
+                ;;
+            S*) song=""
+                case "$data" in
+                    P*) icon="${ICON[play]}" ;;
+                    p*) icon="${ICON[pause]}" ;;
+                    *)  icon="" ;;
+                esac
+                if [[ -n $icon ]]
+                then
+                    info="${data#?}"
+                    title=$(echo "$info" | cut -d'^' -f1)
+                    artist=$(echo "$info" | cut -d'^' -f2)
+                    album=$(echo "$info" | cut -d'^' -f3)
+                    seek=$(echo "$info" | cut -d'^' -f4)
+                    perc=$(echo "$info" | cut -d'^' -f5)
+
+                    song="%{B${COLOR[ALTBG]}} $icon ${seek%/*} $(progress-bar $perc 24) ${seek#*/}  %{B-}"
+                    song="$song  $title - $artist"
+                    [[ $album ]] && song="$song ($album)"
+                fi
+                ;;
+            W*) # bspwm's state
+                wm=""
+                IFS=':'
+                set -- $data
+                while [[ $# > 0 ]]
+                do
+                    id=$1
+                    name=${id#???}
+                    case $id in
+                        [mM]*)
+                            [[ $num_mon < 2 ]] && shift && continue
+                            case $id in
+                                m*) # monitor
+                                    _FG=$COLOR_MONITOR_FG
+                                    _BG=$COLOR_MONITOR_BG
+                                    ;;
+                                M*) # focused monitor
+                                    _FG=$COLOR_FOCUSED_MONITOR_FG
+                                    _BG=$COLOR_FOCUSED_MONITOR_BG
+                                    ;;
+                            esac
+                            wm="${wm}%{F$_FG}%{B$_BG}%{A:bspc monitor -f ${id}:} ${name} %{A}%{B-}%{F-}"
+                            ;;
+                        [fFoOuU]*)
+                            case $id in
+                                f*) # free desktop
+                                    _FG=$COLOR_FREE_FG
+                                    _BG=$COLOR_FREE_BG
+                                    ;;
+                                F*) # focused free desktop
+                                    _FG=$COLOR_FOCUSED_FREE_FG
+                                    _BG=$COLOR_FOCUSED_FREE_BG
+                                    ;;
+                                o*) # occupied desktop
+                                    _FG=$COLOR_OCCUPIED_FG
+                                    _BG=$COLOR_OCCUPIED_BG
+                                    ;;
+                                O*) # focused occupied desktop
+                                    _FG=$COLOR_FOCUSED_OCCUPIED_FG
+                                    _BG=$COLOR_FOCUSED_OCCUPIED_BG
+                                    ;;
+                                u*) # urgent desktop
+                                    _FG=$COLOR_URGENT_FG
+                                    _BG=$COLOR_URGENT_BG
+                                    ;;
+                                U*) # focused urgent desktop
+                                    _FG=$COLOR_FOCUSED_URGENT_FG
+                                    _BG=$COLOR_FOCUSED_URGENT_BG
+                                    ;;
+                            esac
+                            wm="${wm}%{F$_FG}%{B$_BG}%{A:bspc desktop -f ${id#?}:}  ${ICON[$name]:$name}  %{A}%{B-}%{F-}"
+                            ;;
+                    esac
+                    shift
+                done
+                ;;
+        esac
+        echo -e \
+            "%{l}${wm}${song}" \
+            "%{r}${updates}${mail}${vol}${wifi}${datetime} "
+    done
+}
+
+parse < "$PANEL_FIFO" | \
     lemonbar \
     -a 32 \
     -g x$PANEL_HEIGHT \
     -f "$PANEL_FONT" \
     -f "$ICON_FONT" \
-        -F "$COLOR_DEFAULT_FG" \
+    -F "${COLOR[FG]}" \
-        -B "$COLOR_DEFAULT_BG" \
+    -B "${COLOR[BG]}" \
     | sh &
 
-    wait
+wait
-elif [ -e "$PANEL_FIFO" ] && [ "$LEMONBAR" -gt 0 ]
-then
-    if [ -f "$PWD/lemons/$1.sh" ]
-    then
-        . "$PWD/lemons/$1.sh" > "$PANEL_FIFO" &
-    fi
-fi
-

os/arch/.config/panel/panel_config

@@ -0,0 +1,74 @@
+PANEL_FIFO=/tmp/panel-fifo
+
+# Customization ########################
+PANEL_HEIGHT=24
+PANEL_FONT="terminus:size=9:antialias=false"
+ICON_FONT="siji:size=9:antialias=false"
+
+# Colors
+declare -A COLOR
+
+END=15
+for ((i=0;i<=END;i++)); do
+    COLOR[$i]=$(xrdb -query | awk "/^\*\.color$i:/ {print \$2}")
+done
+
+BG="$(xrdb -query | awk '/^\*\.background:/ {print $2}')"
+FG="$(xrdb -query | awk '/^\*\.foreground:/ {print $2}')"
+
+# FG="#bbc2cf"
+# BG="#e022252c"
+COLOR[FG]="$FG"
+COLOR[BG]="#e0${BG#?}"
+
+COLOR[HL]="#185b75"
+COLOR[DIM]="#155872"
+COLOR[ALTBG]="#FF${BG#?}"
+
+COLOR_MONITOR_FG="#8dbcdf"
+COLOR_MONITOR_BG="${COLOR[BG]}"
+COLOR_FOCUSED_MONITOR_FG="#b1d0e8"
+COLOR_FOCUSED_MONITOR_BG="${COLOR[BG]}"
+COLOR_FREE_FG="${COLOR[DIM]}"
+COLOR_FREE_BG="${COLOR[BG]}"
+COLOR_FOCUSED_FREE_FG="${COLOR[0]}"
+COLOR_FOCUSED_FREE_BG="#00000000"
+COLOR_OCCUPIED_FG="#a7a5a5"
+COLOR_OCCUPIED_BG="${COLOR[BG]}"
+COLOR_FOCUSED_OCCUPIED_FG="#d6d3d2"
+COLOR_FOCUSED_OCCUPIED_BG="#00000000"
+COLOR_URGENT_FG="${COLOR[1]}"
+COLOR_URGENT_BG="${COLOR[BG]}"
+COLOR_FOCUSED_URGENT_FG="#501d1f"
+COLOR_FOCUSED_URGENT_BG="#d5443e"
+COLOR_STATE_FG="#89b09c"
+COLOR_STATE_BG="${COLOR[BG]}"
+
+declare -A ICON
+# bspwm desktop icons
+ICON[desktop]="\ue1d7"
+ICON[code]="\ue1ec"
+ICON[art]="\ue1c7"
+ICON[web]="\ue26d"
+ICON[chat]="\ue19f"
+ICON[file]="\ue1e1"
+ICON[music]="\ue1a6"
+ICON[misc]="\ue140"
+# clock icons
+ICON[date]="\ue267"
+ICON[time]="\ue016"
+# wireless icons
+ICON[wifioff]="\ue21a"
+ICON[wifi0]="\ue25d"
+ICON[wifi1]="\ue25e"
+ICON[wifi2]="\ue25f"
+ICON[wifi3]="\ue260"
+ICON[wifi4]="\ue261"
+# media player icons
+ICON[play]="\ue058"
+ICON[pause]="\ue09b"
+ICON[stop]="\ue099"
+ICON[muted]="\ue202"
+ICON[speaker]="\ue203"
+# misc
+ICON[mail]="\ue070"

os/arch/.config/panel/panel_parse.sh

@@ -1,104 +0,0 @@
-#!/usr/bin/env bash
-
-theme="$1"
-
-. $(dirname $0)/themes/${theme}.sh
-
-declare -A ICONS
-ICONS[desktop]="\ue1d7"
-ICONS[code]="\ue1ec"
-ICONS[art]="\ue1c7"
-ICONS[web]="\ue26d"
-ICONS[chat]="\ue19f"
-ICONS[file]="\ue1e1"
-ICONS[music]="\ue1a6"
-ICONS[misc]="\ue140"
-
-num_mon=$(bspc query -M | wc -l)
-while read -r line
-do
-    data="${line#?}"
-    case $line in
-        E*) # TODO ethernet
-            ;;
-        T*) # clock output
-            date=" ${data%::*} "
-            clock=" ${data#*::} "
-            ;;
-        I*) # wifi
-            wifi=" $data "
-            ;;
-        M*) # TODO mail
-            mail=" \ue1a8 2 "
-            ;;
-        S*) # TODO current song
-            playing=" \ue1a6 ... "
-            ;;
-        B*) # TODO bluetooth
-            bt="\ue00b"
-            ;;
-        W*) # bspwm's state
-            wm=""
-            IFS=':'
-            set -- $data
-            while [[ $# > 0 ]]
-            do
-                id=$1
-                name=${id#???}
-                case $id in
-                    [mM]*)
-                        [[ $num_mon < 2 ]] && shift && continue
-                        case $id in
-                            m*) # monitor
-                                FG=$COLOR_MONITOR_FG
-                                BG=$COLOR_MONITOR_BG
-                                ;;
-                            M*) # focused monitor
-                                FG=$COLOR_FOCUSED_MONITOR_FG
-                                BG=$COLOR_FOCUSED_MONITOR_BG
-                                ;;
-                        esac
-                        wm="${wm}%{F${FG}}%{B${BG}}%{A:bspc monitor -f ${id}:} ${name} %{A}%{B-}%{F-}"
-                        ;;
-                    [fFoOuU]*)
-                        case $id in
-                            f*) # free desktop
-                                FG=$COLOR_FREE_FG
-                                BG=$COLOR_FREE_BG
-                                ;;
-                            F*) # focused free desktop
-                                FG=$COLOR_FOCUSED_FREE_FG
-                                BG=$COLOR_FOCUSED_FREE_BG
-                                ;;
-                            o*) # occupied desktop
-                                FG=$COLOR_OCCUPIED_FG
-                                BG=$COLOR_OCCUPIED_BG
-                                ;;
-                            O*) # focused occupied desktop
-                                FG=$COLOR_FOCUSED_OCCUPIED_FG
-                                BG=$COLOR_FOCUSED_OCCUPIED_BG
-                                ;;
-                            u*) # urgent desktop
-                                FG=$COLOR_URGENT_FG
-                                BG=$COLOR_URGENT_BG
-                                ;;
-                            U*) # focused urgent desktop
-                                FG=$COLOR_FOCUSED_URGENT_FG
-                                BG=$COLOR_FOCUSED_URGENT_BG
-                                ;;
-                        esac
-                        wm="${wm}%{F${FG}}%{B${BG}}%{A:bspc desktop -f ${id#?}:}  ${ICONS[$name]:$name}  %{A}%{B-}%{F-}"
-                        ;;
-                esac
-                shift
-            done
-            ;;
-        U*) # updates
-            updates=" \ue00f $data updates "
-            ;;
-        V*) # volume
-            vol="$data"
-            ;;
-    esac
-    echo -e "%{l}${wm}${playing}%{r}${mail} ${wifi} ${date} ${clock} ${bt}${vol}"
-done

os/arch/.config/panel/panel_update.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+if [ "$#" -eq 0 ]
+then
+    >&2 echo "Usage: panel_update.sh [LEMON_TO_UPDATE]"
+    exit 1
+fi
+
+CWD=$(cd $(dirname $0) && pwd -P)
+LEMON="$CWD/lemons/$1.sh"
+
+if [ ! -f "$LEMON" ]
+then
+    >&2 echo "Couldn't find that lemon ($1)"
+    exit 2
+fi
+
+pkill -f "bash \./$1\.sh"
+pushd $CWD/lemons >/dev/null
+./$1.sh | ../panel.sh &
+popd >/dev/null

os/arch/.config/panel/themes/hax.sh

@@ -1,31 +0,0 @@
-#!/bin/bash
-
-PANEL_HEIGHT=24
-PANEL_FONT="gohufont:size=11:antialias=false"
-ICON_FONT="siji:size=9:antialias=false"
-
-# Colors
-FG="#bbc2cf" # 1a6582
-BG="#e022252c"
-HIGHLIGHT="#00185b75"
-
-COLOR_DEFAULT_FG=$FG
-COLOR_DEFAULT_BG=$BG
-COLOR_MONITOR_FG="#8dbcdf"
-COLOR_MONITOR_BG=$BG
-COLOR_FOCUSED_MONITOR_FG="#b1d0e8"
-COLOR_FOCUSED_MONITOR_BG=$BG
-COLOR_FREE_FG="#155872"
-COLOR_FREE_BG=$BG
-COLOR_FOCUSED_FREE_FG="#000000"
-COLOR_FOCUSED_FREE_BG=$HIGHLIGHT
-COLOR_OCCUPIED_FG="#a7a5a5"
-COLOR_OCCUPIED_BG=$BG
-COLOR_FOCUSED_OCCUPIED_FG="#d6d3d2"
-COLOR_FOCUSED_OCCUPIED_BG=$HIGHLIGHT
-COLOR_URGENT_FG="#f15d66"
-COLOR_URGENT_BG=$BG
-COLOR_FOCUSED_URGENT_FG="#501d1f"
-COLOR_FOCUSED_URGENT_BG="#d5443e"
-COLOR_STATE_FG="#89b09c"
-COLOR_STATE_BG=$BG

os/arch/bin/panel_notify.sh

@@ -1,11 +0,0 @@
-#!/usr/bin/bash
-
-FIFO=/tmp/panel-fifo
-
-if [[ ! -p $FIFO ]]
-then
-    >&2 echo "FIFO not initialized"
-    exit
-fi
-
-echo "$@" > "$FIFO" &

os/arch/bin/volume.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-if [[ $# == 0 ]]
+if [[ $# = 0 ]]
 then
     data=$(amixer get Master)
     vol=$(echo "$data" | sed -n 's/^.*\[\([0-9]\+\)%.*$/\1/p' | uniq)
@@ -21,9 +21,4 @@ case "$COMMAND" in
 esac
 
 # Report to lemonbar, if active
-if amixer get Master | grep '\[off\]' >/dev/null
+~/.config/panel/panel_update.sh volume
-then
-    panel_notify.sh "V0"
-else
-    panel_notify.sh "V$vol"
-fi