How to share laptop keyboard and trackpad with the VR headset

keyboard.sh

#!/bin/bash

DEVICE_IDENTIFIER="adb-RFCW7028MXJ-JZpS3e" # Phone
# DEVICE_IDENTIFIER="adb-2G0YC5ZG2001JS" # VR headset

FALLBACK_HOSTNAME="Android.local"

FOUND_DEVICE=$(avahi-browse --all --resolve --terminate -p | grep 'IPv4' | grep "$DEVICE_IDENTIFIER" | grep '=;')

echo "DEVICE IS:"
echo $FOUND_DEVICE

if [[ -n "$FOUND_DEVICE" ]]; then
  FOUND_IP=$(echo "$FOUND_DEVICE" | awk -F ';' '{print $8}')
  FOUND_PORT=$(echo "$FOUND_DEVICE" | awk -F ';' '{print $9}')
  echo "Device found: $DEVICE_IDENTIFIER at IP $FOUND_IP and Port $FOUND_PORT."
else
  echo "Warning: Device identifier '$DEVICE_IDENTIFIER' not found. Trying fallback hostname $FALLBACK_HOSTNAME."
  FOUND_DEVICE=$(avahi-browse --all --ignore-local --resolve --terminate -p | grep 'IPv4' | grep "$FALLBACK_HOSTNAME" | grep '=;')
  FOUND_IP=$(echo "$FOUND_DEVICE" | awk -F ';' '{print $8}')
  FOUND_PORT=5555
  if [[ -z "$FOUND_IP" ]]; then
    echo "Error: Could not resolve IP for fallback hostname '$FALLBACK_HOSTNAME'. Exiting."
    exit 1
  else
    echo "Using fallback IP $FOUND_IP and port $FOUND_PORT."
  fi
fi

echo "Connecting to $FOUND_IP:$FOUND_PORT via adb..."
adb connect "$FOUND_IP:$FOUND_PORT"
if [[ $? -ne 0 ]]; then
  echo "Error: adb connection to $FOUND_IP:$FOUND_PORT failed. Exiting."
  exit 1
fi

echo "Starting scrcpy..."
pkill -f scrcpy
NEW_WORKSPACE=99
hyprctl dispatch exec \[workspace $NEW_WORKSPACE\] -- scrcpy -KM --fullscreen --no-video --tcpip="$FOUND_IP:$FOUND_PORT"
echo "Moved scrcpy to workspace $NEW_WORKSPACE and set to fullscreen."