142 lines
3.1 KiB
Bash
Executable File
142 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Scan, select, pair, and connect to Bluetooth devices
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#
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# Requirements:
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# - bluetoothctl (bluez-utils)
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# - fzf
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# - notify-send (libnotify)
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#
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# Author: Jesse Mirabel <sejjymvm@gmail.com>
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# Created: August 19, 2025
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# License: MIT
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fcconf=()
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# Get fzf color config
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# shellcheck disable=SC1090,SC2154
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. ~/.config/waybar/scripts/_fzf_colorizer.sh 2> /dev/null || true
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# If the file is missing, fzf will fall back to its default colors
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RED='\033[1;31m'
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RST='\033[0m'
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TIMEOUT=10
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ensure-on() {
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local status
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status=$(bluetoothctl show | awk '/PowerState/ {print $2}')
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case $status in
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'off') bluetoothctl power on > /dev/null ;;
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'off-blocked')
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rfkill unblock bluetooth
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local i new_status
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for ((i = 1; i <= TIMEOUT; i++)); do
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printf '\rUnblocking Bluetooth... (%d/%d)' $i $TIMEOUT
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new_status=$(bluetoothctl show | awk '/PowerState/ {print $2}')
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if [[ $new_status == 'on' ]]; then
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break
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fi
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sleep 1
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done
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# Bluetooth could be hard blocked
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if [[ $new_status != 'on' ]]; then
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notify-send 'Bluetooth' 'Failed to unblock' -i 'package-purge'
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return 1
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fi
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;;
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*) return 0 ;;
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esac
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notify-send 'Bluetooth On' -i 'network-bluetooth-activated' -r 1925
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}
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get-device-list() {
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bluetoothctl --timeout $TIMEOUT scan on > /dev/null &
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local i num
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for ((i = 1; i <= TIMEOUT; i++)); do
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printf '\rScanning for devices... (%d/%d)' $i $TIMEOUT
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printf '\n%bPress [q] to stop%b\n\n' "$RED" "$RST"
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num=$(bluetoothctl devices | grep -c 'Device')
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printf '\rDevices: %s' "$num"
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printf '\033[3A'
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read -rs -n 1 -t 1
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if [[ $REPLY == [Qq] ]]; then
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break
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fi
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done
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printf '\n%bScanning stopped.%b\n\n' "$RED" "$RST"
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list=$(bluetoothctl devices | sed 's/^Device //')
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if [[ -z $list ]]; then
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notify-send 'Bluetooth' 'No devices found' -i 'package-broken'
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return 1
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fi
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}
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select-device() {
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local header
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header=$(printf '%-17s %s' 'Address' 'Name')
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local opts=(
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'--border=sharp'
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'--border-label= Bluetooth Devices '
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'--ghost=Search'
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"--header=$header"
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'--height=~100%'
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'--highlight-line'
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'--info=inline-right'
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'--pointer='
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'--reverse'
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"${fcconf[@]}"
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)
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address=$(fzf "${opts[@]}" <<< "$list" | awk '{print $1}')
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if [[ -z $address ]]; then
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return 1
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fi
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local connected
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connected=$(bluetoothctl info "$address" | awk '/Connected/ {print $2}')
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if [[ $connected == 'yes' ]]; then
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notify-send 'Bluetooth' 'Already connected to this device' \
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-i 'package-install'
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return 1
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fi
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}
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pair-and-connect() {
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local paired
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paired=$(bluetoothctl info "$address" | awk '/Paired/ {print $2}')
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if [[ $paired == 'no' ]]; then
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printf 'Pairing...'
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if ! timeout $TIMEOUT bluetoothctl pair "$address" > /dev/null; then
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notify-send 'Bluetooth' 'Failed to pair' -i 'package-purge'
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return 1
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fi
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fi
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printf '\nConnecting...'
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if ! timeout $TIMEOUT bluetoothctl connect "$address" > /dev/null; then
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notify-send 'Bluetooth' 'Failed to connect' -i 'package-purge'
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return 1
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fi
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notify-send 'Bluetooth' 'Successfully connected' -i 'package-install'
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}
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main() {
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tput civis
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ensure-on || exit 1
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get-device-list || exit 1
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tput cnorm
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select-device || exit 1
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pair-and-connect || exit 1
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}
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main
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