rofi-bluetooth.sh

#!/usr/bin/env bash

set -e

function _menu {
  bluetoothctl devices | awk '{ print $2 }' | while read -r MAC; do 
    INFO="$(bluetoothctl info "$MAC")"
    
    printf "%s %-6s %s\n" \
      "$MAC" \
      "$(echo "$INFO" | awk '/Connected: no/ { print "" } /Connected: yes/ { print "ON" }')" \
      "$(echo "$INFO" | awk '/Name:/ { gsub(/^\s+Name:\s+/, "", $0); print $0 }')"
  done
}

SELECTION=$(_menu | rofi -dmenu -p "Connect/disconnect a device" -no-custom \
                 -line-margin 0 -line-padding 1 \
                 -separator-style none -font "mono 10" -columns 1 -bw 0 \
                 -disable-history \
                 -hide-scrollbar \
                 -color-window "#cc222222, #ff222222, #ccb1b4b3" \
                 -color-normal "#00222222, #b1b4b3, #00222222, #ff005577, #b1b4b3" \
                 -color-active "#00222222, #b1b4b3, #00222222, #ff007763, #b1b4b3" \
                 -color-urgent "#00222222, #b1b4b3, #00222222, #ff77003d, #b1b4b3" )
                 

if [ -n "$SELECTION" ]; then
  MAC="$(echo "$SELECTION" | awk '{ print $1 }')"
  case "$(echo "$SELECTION" | awk '{ print $2 }')" in
    "ON")
      bluetoothctl disconnect "$MAC"
      ;;
    *)
      bluetoothctl connect "$MAC"
      ;;
  esac
fi