simplepanel.sh

#! /bin/sh
#
# simplepanel.sh
#

SP_WIDTH=
SP_HEIGHT=28
SP_POSITION=

SP_FONT="xos4Terminus:size=12"
SP_OFFSET=0

SP_BG_COLOR="#FFEFF0F1"
SP_BG_COLOR_1="#FF3DAEE9"
SP_FG_COLOR="#FF101010"
SP_FG_COLOR_1="grey"

SP_INIT_DELAY=0.02

# lemonbar format codes

BC="%{B-}"
BC1="%{B$SP_BG_COLOR_1}"
FC="%{F-}"
FC1="%{F$SP_FG_COLOR_1}"
SEPARATOR=" $FC1│$FC "
CENTER="%{c}"
RIGHT="%{r}"

# panel structure

sp_modules=(
    sp_spacer
    sp_main_menu
    sp_separator
    sp_bspwm_status
    sp_separator
    sp_center
    sp_window_title
    sp_right
    sp_separator
    sp_conky_info
    sp_separator
    sp_clock
    sp_separator
    sp_button_hello
    sp_spacer
)

# number of modules

sp_mod_count=${#sp_modules[@]}

# module definitions

sp_spacer()
{
    echo " "
}

sp_main_menu()
{
    echo "%{A:morc_menu:} Menu %{A}"
}

sp_separator()
{
    echo "$SEPARATOR"
}

sp_center()
{
    echo "$CENTER"
}

sp_right()
{
    echo "$RIGHT"
}

sp_bspwm_status()
{
    IFS=':'
    bspc subscribe \
    | while read line; do
        set -- $line
        while [ $# -gt 0 ] ; do
            case $1 in
                O*|F*|U*) printf "%s %s %s" $BC1 ${1#?} $BC ;;
                o*|u*) printf " %s " ${1#?} ;;
                *) ;;
            esac
            shift
        done
        printf "\n";
    done
}

sp_window_title()
{
    xtitle -s -t -40
}

sp_conky_info()
{
echo '
conky.config = {
out_to_x = false,
out_to_console = true,
use_spacer = "no",
default_graph_width = 8,
console_graph_ticks = " ,_,▁,▂,▃,▄,▅,▆,▇,█",
out_to_stderr = false,
cpu_avg_samples = 2,
no_buffers = true,
update_interval = 1
};
conky.text =
[[
CPU: \
${cpu}%\
'$SEPARATOR'\
${wireless_essid wlp2s0} \
${wireless_link_qual_perc wlp2s0}%
]]
' | conky -q -c -
}

sp_clock()
{
    while true; do
        date +%T
        sleep 1;
    done
}

sp_button_hello()
{
    echo "%{A:notify-send Hello!:} Click me! %{A}"
}


# initialize panel

sp_panel_init()
{
    for (( i=0; i<$sp_mod_count; i++ )); do
        ${sp_modules[$i]} \
        | while read; do
            printf "%s/%s\n" "$i" "$REPLY"
            sleep $SP_INIT_DELAY;
        done &
        sleep $SP_INIT_DELAY;
    done
}

# update panel

sp_panel_update()
{
    while read; do
        sp_value[${REPLY%%/*}]=${REPLY#*/}
        for (( i=0; i<$sp_mod_count; i++ )); do
            printf "%s" "${sp_value[$i]}";
        done
        printf "\n"
    done
}

# main

sp_panel_init \
| sp_panel_update \
| lemonbar \
    -g ${SP_WIDTH}x${SP_HEIGHT}${SP_POSITION} \
    -f $SP_FONT \
    -o $SP_OFFSET \
    -B $SP_BG_COLOR \
    -F $SP_FG_COLOR \
| while read; do eval "$REPLY"; done;

wait