geekdesktop.bash

#! /bin/bash
# launch a desktop output stuff !

# requires : an internet connection,
#   curl
#   remind (and a .reminders file)
#   fortune (and custom fortune at ~/.fortunes/cusfor)
#   ~/planning and ~/todo
#   t command-line twitter client
#   Font 'Noto-Mono' free as in whatever from google

UPDTIME=3m   # delay for the main loop
DIMS=($(xrandr | grep '+0+0' | grep -o '[[:digit:]]\+x[[:digit:]]\+' | sed 's/x/ /'))
HEIGHT=${DIMS[1]}
WIDTH=${DIMS[0]}
FONT=Atrafont
POINTSIZE1=14
POINTSIZE2=15
COLUMNS=80
CAL_COLUMNS=80

function mkoutput {
    # make a few tmp files for different topics
    weather=$(mktemp)
    reminders=$(mktemp)
    weeks_to_come=$(mktemp)
    fortune=$(mktemp)
    date_time=$(mktemp)
    planning=$(mktemp)
    todo=$(mktemp)
    twitter_feed=$(mktemp)
    left_column=$(mktemp)
    right_column=$(mktemp)
    # build useful variables for later on
    calendar_line=$(let day=$(date +%d) ; while [[ $day > 0 ]] ;do echo -n '##' ; let day-=1 ; done)

    # definition of colors from Tango
    butter1='#fce94f'
    butter2='#edd400'
    butter3='#c4a000'
    orange1='#fcaf3e'
    orange2='#f57900'
    orange3='#ce5c00'
    chocolate1='#e9b96e'
    chocolate2='#c17d11'
    chocolate2='#8f5902'
    chameleon1='#8ae234'
    chameleon2='#73d216'
    chameleon3='#4e9a06'
    skyblue1='#729fcf'
    skyblue2='#3465a4'
    skyblue3='#204a87'
    plum1='#ad7fa8'
    plum2='#75507b'
    plum3='#5c3566'
    scarletred1='#ef2929'
    scarletred2='#cc0000'
    scarletred3='#a40000'
    al1='#eeeeec'
    al2='#d3d7cf'
    al3='#babdb6'
    al4='#888a85'
    al5='#555753'
    al6='#2e3436'

    # fill these files with relevant info
    curl wttr.in \
        | head -n 7 \
        | sed -e 's/\[[0-9;]*m//g' \
        | tail -n +3 \
        > ${weather} # color stripped away
    remind -g ~/.reminders \
        > ${reminders}
    remind -c+2 -m -w${CAL_COLUMNS} -b1 .reminders \
        > ${weeks_to_come}
    fortune ~/.fortunes/cusfor \
        | fmt -${COLUMNS} -s \
        > ${fortune}
    (date +'%A %Y-%m-%d %H:%M:%S (week %W)' \
        && (uptime | grep -oe 'up .*') \
        )\
        > ${date_time}
    grep -B 20 -m 3 '^$'  ~/planning \
        | sed "3i${calendar_line}" \
        > ${planning}
    cat ~/todo \
        > ${todo}
    t timeline -l -n 5 \
        | awk '{print $2 " " $3 " " $4 "    " $5 "\n" substr($0, index($0,$6)) "\n"} ' \
        | fmt -${COLUMNS} -s \
        >${twitter_feed}

    # get the source wp
    source_wp=~/.config/awesome/wallpaper.png

    # populate it with imagemagick
    convert -font ${FONT} \
        -background black \
        -pointsize ${POINTSIZE1} \
        -gravity West \
        -fill ${skyblue2} label:@${weather} -append \
        label:'\n' -append \
        -fill ${al4} label:@${planning} -append \
        label:'\n' -append \
        label:@${weeks_to_come} -append \
        label:'\n' -append \
        label:@${reminders} -append \
        -resize $(( $WIDTH / 3 ))x${HEIGHT}\> \
        png:- > ${left_column}

    convert -font ${FONT} \
        -background black \
        -pointsize ${POINTSIZE1}  -fill ${al4} \
        -gravity West \
        -fill ${butter3} label:@${fortune} -append -fill ${al4} \
        label:'\n' -append \
        label:@${todo} -append \
        label:'\n' -append \
        -fill ${plum2} label:@${twitter_feed} -append \
        -resize $(( $WIDTH / 3 ))x${HEIGHT}\> \
        png:- > ${right_column}

        # add this line (right below convert) to visualise the central area (useful to select fontsize)
        #-fill ${scarletred3} -draw 'rectangle 640,0 1279,1080' \
    convert ${source_wp} \
        ${left_column} -gravity West -geometry +0+0 -compose Over -composite \
        ${right_column} -gravity East -geometry +0+0 -compose Over -composite \
        -font ${FONT} \
        -pointsize ${POINTSIZE2} \
        -fill ${al4} \
        -gravity South -background black  \
        label:@${date_time} -geometry +0-${POINTSIZE2} -compose screen -composite\
        png:- \
        | feh  --no-fehbg  --bg-center -

    # cleanup - remove tmp files we created earlier
    rm $weather $reminders $weeks_to_come $fortune $date_time $planning $todo $twitter_feed $left_column $right_column
}

mkoutput
while `sleep $UPDTIME`
do
 mkoutput
done