70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
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#!/bin/bash
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# ----------------------------------------------------------------------------
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# "THE BEER-WARE LICENSE" (Revision 42):
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# <k.bumsik@gmail.com> wrote this file. As long as you retain this notice you
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# can do whatever you want with this stuff. If we meet some day, and you think
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# this stuff is worth it, you can buy me a beer in return. - Bumsik Kim
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# ----------------------------------------------------------------------------
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# Configuration
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WIDTH=1920 # 1368 for iPad Pro
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HEIGHT=1080 # 1024 for iPad Pro
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MODE_NAME="mode_ipad" # Set whatever name you like, you may need to change
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# this when you change resolution, or just reboot.
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DIS_NAME="VIRTUAL1" # Don't change it unless you know what it is
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RANDR_POS="--right-of" # Default position setting for xrandr command
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# Parse arguments
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while [ "$#" -gt 0 ]; do
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case $1 in
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-l|--left) RANDR_POS="--left-of" ;;
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-r|--right) RANDR_POS="--right-of" ;;
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-a|--above) RANDR_POS="--above" ;;
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-b|--below) RANDR_POS="--below" ;;
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-p|--portrait) TMP=$WIDTH; WIDTH=$HEIGHT; HEIGHT=$TMP
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MODE_NAME="$MODE_NAME""_port" ;;
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-h|--hidpi) WIDTH=$(($WIDTH * 2)); HEIGHT=$(($HEIGHT * 2))
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MODE_NAME="$MODE_NAME""_hidpi" ;;
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*) echo "'$1' cannot be a monitor position"; exit 1 ;;
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esac
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shift
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done
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# Detect primary display
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PRIMARY_DISPLAY=$(xrandr | perl -ne 'print "$1" if /(\w*)\s*connected\s*primary/')
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# Add display mode
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RANDR_MODE=$(cvt "$WIDTH" "$HEIGHT" 60 | sed '2s/^.*Modeline\s*\".*\"//;2q;d')
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xrandr --addmode $DIS_NAME $MODE_NAME 2>/dev/null
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# If the mode doesn't exist then make mode and retry
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if ! [ $? -eq 0 ]; then
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xrandr --newmode $MODE_NAME $RANDR_MODE
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xrandr --addmode $DIS_NAME $MODE_NAME
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fi
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# Show display first
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xrandr --output $DIS_NAME --mode $MODE_NAME
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# Then move display
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sleep 5 # A short delay is needed. Otherwise sometimes the below command is ignored.
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xrandr --output $DIS_NAME $RANDR_POS $PRIMARY_DISPLAY
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# Cleanup before exit
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function finish {
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xrandr --output $DIS_NAME --off
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xrandr --delmode $DIS_NAME $MODE_NAME
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echo "Second monitor disabled."
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}
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trap finish EXIT
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# Get the display's position
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CLIP_POS=$(xrandr | perl -ne 'print "$1" if /'$DIS_NAME'\s*connected\s*(\d*x\d*\+\d*\+\d*)/')
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echo $CLIP_POS
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# Share screen
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x11vnc -multiptr -repeat -clip $CLIP_POS
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# Possible alternative is x0vncserver but it does not show the mouse cursor.
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# x0vncserver -display :0 -geometry $DIS_NAME -overlaymode -passwordfile ~/.vnc/passwd
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if ! [ $? -eq 0 ]; then
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echo x11vnc failed, did you \'apt-get install x11vnc\'?
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fi
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