Rewrite lemonbar config

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

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

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

@@ -0,0 +1,6 @@
+#!/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/updates.sh

@@ -4,4 +4,4 @@ while :
 do
     echo "U"$(checkupdates | wc -l)
     sleep 3600
-done > "$PANEL_FIFO" &
+done

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

@@ -1,7 +1,19 @@
 #!/usr/bin/env bash
 
-while :
-do
-    echo "V$(volume.sh)" > "$PANEL_FIFO" &
-    sleep 3
-done > "$PANEL_FIFO" &
+muted="\ue202"
+speaker="\ue203"
+
+data=$(amixer get Master)
+vol=0
+if echo "$data" | grep '\[on\]' >/dev/null
+then
+    vol=$(echo "$data" | sed -n 's/^.*\[\([0-9]\+\)%.*$/\1/p' | uniq)
+fi
+
+case "$vol" in
+    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

@@ -1,7 +1,27 @@
 #!/usr/bin/env bash
 
+wifioff="\ue21a"
+wifi0="\ue25d"
+wifi1="\ue25e"
+wifi2="\ue25f"
+wifi3="\ue260"
+wifi4="\ue261"
+
 while :
 do
-    echo "I"$(awk 'NR==3 {print $3}' /proc/net/wireless)
+    signal=$(awk 'NR==3 {print $3}' /proc/net/wireless)
+    if [ -n "$signal" ]
+    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}${wifioff}%{F-} "
+    fi
     sleep 5
-done > "$PANEL_FIFO" &
+done

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

@@ -1,41 +1,52 @@
 #!/usr/bin/env dash
 
-# Quit if already running
-if [ $(pgrep -cx "$(basename $0)") -gt 1 ]
-then
-    echo "Lemonbar already running"
-    exit 1
-fi
-
-PWD=$(dirname $0)
-
-. $PWD/scripts/config.sh
-
-trap 'trap - TERM; kill 0' INT TERM QUIT EXIT
-
-# Bootstrap
-[ -e "$PANEL_FIFO" ] && rm "$PANEL_FIFO"
-mkfifo "$PANEL_FIFO"
+# trap "trap - TERM; kill 0" INT TERM QUIT EXIT
 
 #
-bspc config top_padding $(( $PANEL_HEIGHT - 2 ))
-bspc subscribe report > "$PANEL_FIFO" &
-clock -sf 'T%A, %b %d::%I:%M %p' > "$PANEL_FIFO" &
+PANEL_FIFO=/tmp/panel-fifo
+PWD=$(dirname $0)
+THEME="hax"
+LEMONBAR="$(pgrep -cx lemonbar)"
 
-for comp in $PWD/lemons/*.sh
-do
-    echo "INIT: $(basename $comp)"
-    . "$comp"
-done
+. $PWD/themes/$THEME.sh
 
-$PWD/scripts/parse.sh < "$PANEL_FIFO" | \
-    lemonbar \
-    -a 32 \
-    -g x$PANEL_HEIGHT \
-    -f "$PANEL_FONT" \
-    -f "$ICON_FONT" \
-    -F "$COLOR_DEFAULT_FG" \
-    -B "$COLOR_DEFAULT_BG" \
-    | sh &
+if [ "$#" -eq 0 ]; then
+    [ -e "$PANEL_FIFO" ] && rm "$PANEL_FIFO"
+    mkfifo "$PANEL_FIFO"
+
+    if [ "$LEMONBAR" -gt 0 ]
+    then
+        echo "Lemonbar already running"
+        exit
+    fi
+
+    # Load all lemons (components)
+    for comp in $PWD/lemons/*.sh
+    do
+        echo "INIT: $(basename $comp)"
+        . "$comp" > "$PANEL_FIFO" &
+    done
+
+    #
+    # Bootstrap panel(s)
+    #
+
+    $PWD/panel_parse.sh $THEME < "$PANEL_FIFO" | \
+        lemonbar \
+        -a 32 \
+        -g x$PANEL_HEIGHT \
+        -f "$PANEL_FONT" \
+        -f "$ICON_FONT" \
+        -F "$COLOR_DEFAULT_FG" \
+        -B "$COLOR_DEFAULT_BG" \
+        | sh &
+
+    wait
+elif [ -e "$PANEL_FIFO" ] && [ "$LEMONBAR" -gt 0 ]
+then
+    if [ -f "$PWD/lemons/$1.sh" ]
+    then
+        . "$PWD/lemons/$1.sh" > "$PANEL_FIFO" &
+    fi
+fi
 
-wait

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

@@ -1,19 +1,20 @@
 #!/usr/bin/env bash
 
-. $(dirname $0)/config.sh
+theme="$1"
 
-num_mon=$(bspc query -M | wc -l)
+. $(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'
+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#?}"
@@ -21,23 +22,11 @@ do
         E*) # TODO ethernet
             ;;
         T*) # clock output
-            date=" \ue267 ${data%::*} "
-            clock=" \ue016 ${data#*::} "
+            date=" ${data%::*} "
+            clock=" ${data#*::} "
             ;;
         I*) # wifi
-            if [[ $data ]]
-            then
-                signal="\ue25d"
-                case "$data" in
-                    100|[6-9][0-9]*) signal="\ue261" ;;
-                    [4-5][0-9]*) signal="\ue260" ;;
-                    [2-3][0-9]*) signal="\ue25f" ;;
-                    *) signal="\ue25e" ;;
-                esac
-                wifi=" $signal $(iwgetid -r) "
-            else
-                wifi=" %{F$COLOR_FREE_FG}\ue21a%{F-} "
-            fi
+            wifi=" $data "
             ;;
         M*) # TODO mail
             mail=" \ue1a8 2 "
@@ -55,7 +44,7 @@ do
             while [[ $# > 0 ]]
             do
                 id=$1
-                name=${id#??}
+                name=${id#???}
                 case $id in
                     [mM]*)
                         [[ $num_mon < 2 ]] && shift && continue
@@ -108,14 +97,7 @@ do
             updates=" \ue00f $data updates "
             ;;
         V*) # volume
-            case "$data" in
-                0|off)
-                    vol="%{F$COLOR_FREE_FG}\ue202%{F-}"
-                    ;;
-                *)  vol="\ue203"
-                    ;;
-            esac
-            vol="%{A:volume.sh toggle:} $vol %{A}"
+            vol="$data"
             ;;
     esac
     echo -e "%{l}${wm}${playing}%{r}${mail} ${wifi} ${date} ${clock} ${bt}${vol}"

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

@@ -1,7 +1,6 @@
 #!/bin/bash
 
 PANEL_HEIGHT=24
-PANEL_FIFO=/tmp/panel-fifo
 PANEL_FONT="gohufont:size=11:antialias=false"
 ICON_FONT="siji:size=9:antialias=false"