uses xrandr to setup my displays the way I want them on my x220 running OpenBSD. Including a statusbar using dzen2

screen_sizes

#!/bin/sh

_screen=1
xrandr | sed -ne 's/(.*$//' -e 's/.* connected *//p'|
    while read _line; do
        _size=${_line#* }
        echo SCREEN_${_screen}_HEIGHT=`echo $_size | sed -e 's/.*x//' -e 's/\+.*//'`
        echo SCREEN_${_screen}_WIDTH=`echo $_size  | sed -e 's/x.*//'`
        echo SCREEN_${_screen}_X=`echo $_size  | sed -e 's/[^+]*+\([0-9]*\).*/\1/'`
        echo SCREEN_${_screen}_Y=`echo $_size   | sed -e 's/.*+.*+//'`
        echo SCREEN_COUNT=$_screen
        [ "$_line" == "${_line#*primary }" ] && echo SCREEN_PRIMARY=$_screen

        _screen=$(($_screen + 1))
    done

setup_display

#!/bin/sh

XRANDR=""
for o in `xrandr | sed -ne 's/ disconnected.*//p'`; do
    XRANDR="$XRANDR --output $o --off"
done
[ -n "$XRANDR" ] && xrandr $XRANDR

set -- `xrandr | sort | sed -ne 's/ connected.*//p'`
D1=$1
D2=$2
D3=$3
#echo "$D1 - $D2 - $D3"

XRANDR=""
for o in $D1 $D2 $D3; do
    if [ X"$o" != X"" ]; then
        XRANDR="$XRANDR --output $o --pos 0x0 --auto"
    fi
done
[ -n "$XRANDR" ] && xrandr $XRANDR

XRANDR="--auto"
if [ X"$D1" != X"" ]; then
    XRANDR="--output $D1 --primary"

    if [ X"$D2" != X"" ]; then
        # It's on the docking station
        if [ X"$D1" == X"HDMI3" -a X"$D2" == X"LVDS1" ]; then
            P=`xrandr | sed -e 's/ primary//' | awk '
                /^LVDS/   { L=$3; sub(".*x","",L); sub("\\\+.*","", L) }; 
                /HDMI3/   { H=$3; sub(".*x","",H); sub("\\\+.*","", H) }; 
                END { print  "0x" H - L }'`
            S=`xrandr | awk '/^LVDS/ { sub("x.*","", $3); print $3 + 1 "x-400" }'`

            XRANDR="--output $D2 --pos $P $XRANDR --pos $S"
        else
            XRANDR="$XRANDR --output $D2 --right-of $D1"
        fi
    fi
    
    if [ X"$D3" != X"" ]; then
        XRANDR="$XRANDR --output $D3 --left-of $D1"
    fi
fi

echo xrandr $XRANDR
xrandr $XRANDR

~/bin/set_bg #~/.backgrounds/Grazing-Galaxies.jpg

statusbar &

statusbar

#!/bin/sh
if [ ! -x /usr/local/bin/dzen2 ]; then
    echo dzen2 not installed exit
fi

eval `screen_sizes`

local dzen_height=15
local clock_width=153

down=$(( $SCREEN_1_HEIGHT + $SCREEN_1_Y - $dzen_height ))
width=$(( $SCREEN_1_WIDTH - $clock_width))
right=$(( $SCREEN_1_WIDTH + $SCREEN_1_X - $width ))

touch ~/.wootoff

pkill xclock
pkill dzen

xclock -digital -bg black -fg green -padding 2 -update 1 \
    -strftime '%a %Y.%m.%d %H:%M:%S' -geometry $clock_width+0+${down} &

while true; do
    /usr/bin/pgrep xlock > /dev/null && sleep 1 && continue
    [ -e ~/.wootoff ] && echo -n "`woot_watch` | "
    #echo -n "`currently_playing` | "
    vmstat -c 2 | tail -1 | awk '{ printf "%3dM free %d%% idle ", $5 / 1024,  $19 }'
    echo -n "`sysctl -n hw.cpuspeed` MHz "

    power='^fg(#FFFF00)BAT'
    batt_color='^fg(#00FF00)'
    symbol='-'

    adapter_status=`sysctl -n hw.sensors.acpiac0.indicator0`
    if [ ${adapter_status%% *} == On ]; then
        power='^fg(#00FF00)AC'
        batt_color='^fg()'
    else
        power="$power $batt_color$( apm | awk '/Battery state/ { print $6 " mins" }' )"
    fi

    batt_pct=`apm | sed -ne 's/%.*//;/Battery state/s/.*,//p'`
    if [ $batt_pct -lt 33 ]; then
        batt_color='^fg(#FFFF00)^bg(#FF0000)'
    elif [ $batt_pct -lt 66 ]; then
        batt_color='^fg(#FFFF00)'
    fi

    batt_status=`sysctl -n hw.sensors.acpibat0.raw0`
    if [ ${batt_status%% *} = 0 ]; then
        symbol='='
    elif [ ${batt_status%% *} = 2 ]; then
        symbol='+'
    fi

    echo $batt_pct | dbar -nonl -l "$power$batt_color" -s "$symbol"
    echo '^fg()'
    sleep 5
done | dzen2 -y $down -x $right -w $width