gistfile1.sh

#!/bin/bash

ICONPATH=$HOME/.dzen
source ~/.colors

get_now_playing() {
        local state
        local updating
        local update
        local string
        local mpc_2
        string=$(mpc -f '^fg(grey85)%title% ^fg(grey40)by ^fg(grey70)%artist% ^fg(grey40)on ^fg(grey70)^fg(grey60)%album%' | head -n 1)
        mpc_2=$(mpc | head -n 2 | tail -n 1)
        update=$(mpc | head -n 3 | tail -n 1 | grep 'Updating DB')
        updating=$?
        if [ $updating -eq 0 ]; then
            update=" [updating]"
        fi
        state=$(echo $mpc_2 | sed 's/\[\(.*\)\].*/\1/g')
        case $state in
                playing)
                    echo -n "^fg(grey70)^i(${ICONPATH}/mpd.xbm)^fg(grey50)^fg(${COLOR3})^p(3)^i(${ICONPATH}/play.xbm)${string}^fg(${COLOR13})$update"
                    ;;
                paused)
                    echo -n "^fg(grey70)^i(${ICONPATH}/mpd.xbm)^fg(grey50)^fg(${COLOR3})^p(3)^i(${ICONPATH}/pause.xbm)${string}^fg(${COLOR13})$update"
                    ;;
                *)
                    echo -n "^fg(grey40)^i(${ICONPATH}/mpd.xbm)^fg(grey60) ^fg(${COLOR13})^p(2)^r(7x7)^p(2)^fg(grey60)"
                    ;;
        esac
 
}

# disable path name expansion or * will be expanded in the line
# cmd=( $line )
set -f

monitor=${1:-0}
geometry=( $(herbstclient monitor_rect "$monitor") )
if [ -z "$geometry" ] ;then
    echo "Invalid monitor $monitor"
    exit 1
fi
# geometry has the format: WxH+X+Y
x=${geometry[0]}
y=${geometry[1]}
panel_width=${geometry[2]}
panel_height=18
#font="-*-fixed-medium-*-*-*-12-*-*-*-*-*-*-*"
#font="-*-unifont-*-*-*-*-16-*-*-*-*-*-*-*"
font="-*-terminus-*-*-*-*-12-*-*-*-*-*-iso10646-*"
bgcolor=$(herbstclient get frame_border_normal_color)
selbg=$(herbstclient get window_border_active_color)
selfg='#101010'

####
# Try to find textwidth binary.
# In e.g. Ubuntu, this is named dzen2-textwidth.
if [ -e "$(which textwidth 2> /dev/null)" ] ; then
    textwidth="textwidth";
elif [ -e "$(which dzen2-textwidth 2> /dev/null)" ] ; then
    textwidth="dzen2-textwidth";
else
    echo "This script requires the textwidth tool of the dzen2 project."
    exit 1
fi
####
# true if we are using the svn version of dzen2
dzen2_version=$(dzen2 -v 2>&1 | head -n 1 | cut -d , -f 1|cut -d - -f 2)
if [ -z "$dzen2_version" ] ; then
    dzen2_svn="true"
else
    dzen2_svn=""
fi

function uniq_linebuffered() {
    awk '$0 != l { print ; l=$0 ; fflush(); }' "$@"
}

herbstclient pad $monitor $panel_height
{
    # events:
    mpc idleloop &
    while true ; do
        date +'date ^fg(#efefef)%A %B %d, %Y ^fg(#909090)@ ^fg(#efefef)%H:%M'
        sleep 1 || break
    done > >(uniq_linebuffered)  &
    # while true ; do
    #     echo "EVENT"
    #     sleep 1
    # done
    childpid=$!
    herbstclient --idle
    kill $childpid
} 2> /dev/null | {
    TAGS=( $(herbstclient tag_status $monitor) )
    visible=true
    date=""
    windowtitle=""
    while true ; do
        bordercolor="#26221C"
        separator="^bg()^fg($selbg)|"
        # draw tags
        for i in "${TAGS[@]}" ; do
            case ${i:0:1} in
                '#')
                    echo -n "^bg($selbg)^fg($selfg)"
                    ;;
                '+')
                    echo -n "^bg(#9CA668)^fg(#141414)"
                    ;;
                ':')
                    echo -n "^bg()^fg(#ffffff)"
                    ;;
                '!')
                    echo -n "^bg(#FF0675)^fg(#141414)"
                    ;;
                *)
                    echo -n "^bg()^fg(#ababab)"
                    ;;
            esac
            if [ ! -z "$dzen2_svn" ] ; then
                echo -n "^ca(1,herbstclient focus_monitor $monitor && "'herbstclient use "'${i:1}'") '"${i:1} ^ca()"
            else
                echo -n " ${i:1} "
            fi
        done
        echo -n "$separator "
        get_now_playing
        echo -n " $separator"
        echo -n "^bg()^fg() ${windowtitle//^/^^}"
        
        # small adjustments
        right="$separator^bg() $date"
        right_text_only=$(echo -n "$right"|sed 's.\^[^(]*([^)]*)..g')
        # get width of right aligned text.. and add some space..
        width=$($textwidth "$font" "$right_text_only ")
        echo -n "^pa($(($panel_width - $width)))$right"
        # wait for next event
        echo
        read line || break
        cmd=( $line )
        # find out event origin
        case "${cmd[0]}" in
            tag*)
                #echo "reseting tags" >&2
                TAGS=( $(herbstclient tag_status $monitor) )
                ;;
            date)
                #echo "reseting date" >&2
                date="${cmd[@]:1}"
                ;;
            quit_panel)
                killall mpc
                exit
                ;;
            togglehidepanel)
                echo "^togglehide()"
                if $visible ; then
                    visible=false
                    herbstclient pad $monitor 0
                else
                    visible=true
                    herbstclient pad $monitor $panel_height
                fi
                ;;
            reload)
                killall mpc
                exit
                ;;
            focus_changed|window_title_changed)
                windowtitle="${cmd[@]:2}"
                ;;
            # player)
            #    ;;
        esac
        done
} 2> /dev/null