sxcast

#!/bin/sh

#Simple X screen casting tool.

primary=$(xrandr | grep " connected " | grep "eDP" | grep " primary " | awk '{print $1}')
primary=$(echo -n "$primary")

if [ -z "$primary" ]; then
    echo "Can't find primary display - how do you even read this?!"
    exit 1
fi

selected=$(xrandr | grep " connected " | grep -v " primary " | awk '{print $1}' | dmenu)
selected=$(echo -n "$selected")

if [ -z "$selected" ]; then
    echo "No secondary display selected!"
    exit 1
fi

mode=$(printf "%s\n" "extended" "duplicated" | dmenu)
mode=$(echo -n "$mode")

if [ -z "$mode" ]; then
    echo "Mode not selected!"
    exit 1
fi

if [[ "$mode" == "duplicated" ]];then 
  xrandr --output $selected --same-as $primary --auto 
else
  if [[ "$mode" == "extended" ]]; then
    position=$(printf "%s\n" "right-of" "left-of" "above" "below" | dmenu)
    position=$(echo -n "$position")

    xrandr --output $selected --"$position" $primary --auto
  else
    echo "Wrong mode selected"
    exit 1
  fi
fi