Attachment 737389 Details for Bug 1054645

script that shows correct xrandr command for scaling and placing of multi monitor setup

mngdisp (text/x-matlab), 3.60 KB, created by rens groenewegen on 2017-08-20 23:09:26 UTC

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Creator: rens groenewegen

Created: 2017-08-20 23:09:26 UTC

Size: 3.60 KB

patch

obsolete

>function showmons
>{
>xrandr --current|grep -w connected |sed 's/[x,+]/ /g'
>}
>
>function getMaX
>{
>xrandr --current|grep -w connected |sed 's/[x,+]/ /g'|awk 'BEGIN{x=0}{
>t=$3
>if ( x < t ) { x=t }
>
>} END{print x}'
>}
>
>function getMaY
>{
>xrandr --current|grep -w connected |sed 's/[x,+]/ /g'|awk 'BEGIN{y=0}{
>t=$4
>if ( y < t ) { y=t }
>
>} END{print y}'
>}
>
>function totX
>{
>xrandr --current|grep -w connected |sed 's/[x,+]/ /g'|awk 'BEGIN{x=0}{
>x=x+$3
>} END{print x}'
>}
>
>function totY
>{
>xrandr --current|grep -w connected |sed 's/[x,+]/ /g'|awk 'BEGIN{y=0}{
>y=y+$4
>} END{print y}'
>}
>
>screen0()
>{
>xrandr --listactivemonitors |grep 0:|awk '{print $1,$NF}'
>}
>
>screen1()
>{
>xrandr --listactivemonitors |grep  1:|awk '{print $1,$NF}'
>}
>
>function showit
>{
>
>cat <<EOF
>
>usage:
>screens next to each other, top-side aligned :
>  $0 <screen 0> right-of <screen 1>
>  OR
>  $0 <screen 1> right-of <screen 0>
>
>screens on top of each other, left side aligned.
>  $0 <screen 0> below <screen 1>
>  OR
>  $0 <screen 1> below <screen 0>
>EOF
>
>
>}
>
>
>function connected
>{
>xrandr --current|grep -w connected | sed 's/[x,+]/ /g'
>}
>
>function setfb
>{
>case $placem in 
>left-of)
>echo $sc0 $placem $sc1, 1 sec.....
>totwidth=`totX`
>tothigh=`getMaY`
>;;
>top-of)
>echo $sc0 $placem $sc1, 1 sec.....
>totwidth=`getMaX`
>tothigh=`totY`
>;;
>esac
>echo xrandr -d :0 --fb ${totwidth}x${tothigh}
>xrandr -d :0 --fb ${totwidth}x${tothigh}
>}
>export widsc0=0
>export highsc0=0
>export scal0=1
>export scal1=1
>export fbx=0
>export fby=0
>
>function setscalwxh
>{
>widsc0=`xrandr --current|grep -A 5 -e $sc0 |grep -e \* |sed 's/x/ /g'|awk -v fact=$scal0  '{print $1 * fact }'`
>highsc0=`xrandr --current|grep -A 5 -e $sc0|grep  -e \* |sed 's/x/ /g'|awk -v fact=$scal0  '{print $2 * fact }'`
>widsc1=`xrandr --current|grep -A 5 -e $sc1 |grep -e \* |sed 's/x/ /g'|awk -v fact=$scal1  '{print $1 * fact }'`
>highsc1=`xrandr --current|grep -A 5 -e $sc1|grep  -e \* |sed 's/x/ /g'|awk -v fact=$scal1  '{print $2 * fact }'`
>
>case $placem in
>left-of)
># screen next to each other, sum of x width and y = highest y value.
>fbx=$(( $widsc0 + $widsc1 ))
>fby=$highsc0
>[ $fby -lt $highsc1 ] && fby=$highsc1
>;;
>top-of)
># screen above each other, sum of y height and widest x = highest x value.
>fby=$(( $highsc0 + $highsc1 ))
>fbx=$widsc0
>[ $fbx -lt $widsc1 ] && fbx=$widsc1
>;;
>esac
>
>
>
>cat <<EOF
>===================
>scal0 $scal0
>widsc0 $widsc0
>highsc0 $highsc0
>scal1 $scal1
>widsc1 $widsc1
>highsc1 $highsc1
>fbx  $fbx
>fby  $fby
>===================
>EOF
>}
>
>function doit
>{ 
>
>cat <<EOF
>this is hard 
>0 - check if monitors exist.
>1 - scale the monitors. assume 1.0 if not given.
>2 - plase second monitor according to right-of or below or same-as
>
>note: first monitor mentioned is always at 0x0
>
>EOF
>
>
>sc0ok=`xrandr --listactivemonitors| grep -c -w $sc0 `
>sc1ok=`xrandr --listactivemonitors| grep -c -w $sc1 `
>echo sc0ok $sc0ok
>echo sc1ok $sc1ok
>
>if [ $(($sc0ok - $sc1ok )) -eq 0 ]
>then 
>echo monitors seem to exist and to be active
>else
>echo monitors do not exist or are NOT active
>xrandr --listactivemonitors
>exit 4
>fi
>
>echo display status :
>connected
>
>
>
> echo $sc0 is always at position x,y = 0,0 
> echo $sc1 is either at position x,y = left-of-width, 0 OR    0,top-of-height
>
>setscalwxh
>case $placem in 
>left-of)
>newx=$widsc0
>newy=0
>;;
>above|top-of)
>newx=0
>newy=$highsc0
>;;
>esac
>
>echo display command to exec
>echo xrandr --fb ${fbx}x${fby} --output $sc0 --pos 0x0 --scale ${scal0}x$scal0 --output $sc1 --scale ${scal1}x$scal1 --pos ${newx}x${newy} 
>
>}
>
>case $# in
>0)
>showit
>doit
>;;
>3|4|5)
># either we just place monitors, or also apply scaling on 1 or even 2 (4 en 5 params)
>;;
>esac
>
>sc0=$1
>placem=$2
>sc1=$3
>scal0="1.0"
>scal1="1.0"
>[ $# -gt 3 ] && scal0=$4
>[ $# -gt 4 ] && scal1=$5
>
>doit
>

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Attachments on bug 1054645: 737389 | 767473 | 767907