110 lines
4.4 KiB
Bash
Executable File
110 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
|
|
#wait time to discover new devices in seconds
|
|
SCAN_PERIOD=5
|
|
#locations of blacklist and hard coded list of paired devices (watch out, need to modify Makefile as well if you want to change these values and still use make install)
|
|
BLACKLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/blacklist
|
|
PAIRLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/paired
|
|
actions="turn off
|
|
turn on
|
|
pair
|
|
unpair"
|
|
|
|
#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
|
|
for prog in dmenu bluetoothctl awk cat; do
|
|
if ! hash "$prog" 2>/dev/null; then
|
|
printf 'bthandler: %s: command not found\n' "$prog" >&2
|
|
exit 127
|
|
fi
|
|
done
|
|
|
|
#start scanning as early as possible to speed up pairing process:
|
|
bluetoothctl power on & bluetoothctl scan on &>/dev/null &
|
|
start_scan="$( date +'%s' )"
|
|
|
|
#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
|
|
bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
|
|
|
|
#Compile list of all device Names of paired devices (from bluetoothctl and from hardcoded list)
|
|
paired_devices="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
|
|
|
|
disp_devices="$( echo "$paired_devices" | grep -vf "$BLACKLIST" )"
|
|
|
|
#Don't print empty device list, removes unnecessary empty choice in dmenu
|
|
[ "$disp_devices" = "" ] && choice=$( echo "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
|
|
[ "$disp_devices" != "" ] && choice=$( echo "$disp_devices" "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
|
|
|
|
cleanup(){
|
|
bluetoothctl scan off
|
|
exit 0
|
|
}
|
|
|
|
pair(){
|
|
#since this function can get called indefinitely, make sure to always be scanning and controller has power in the case that it got deactived by some other process.
|
|
bluetoothctl power on
|
|
bluetoothctl scan on &>/dev/null &
|
|
#check whether $SCAN_PERIOD seconds has already passed since starting scanning, if not, wait for the rest of that time.
|
|
if [ $((( "$(date +'%s')" - "$start_scan" ))) -lt $SCAN_PERIOD ]; then
|
|
sleep_period="$((( "$SCAN_PERIOD" - "$( date +'%s')" + "$start_scan" )))"
|
|
notify-send "Bluetooth" "Searching for devices, please wait $sleep_period seconds"
|
|
sleep "$sleep_period"
|
|
fi
|
|
echo "$paired_devices" > /tmp/paired_devices
|
|
new_devices="$( bluetoothctl devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' | grep -vf /tmp/paired_devices )"
|
|
rm -f /tmp/paired_devices
|
|
choice=$( (echo "$new_devices" && echo 'rescan' ) | dmenu -l 10 -i -p 'pair with which device?' )
|
|
if [ -n "$choice" ]; then
|
|
if [ "$choice" = "rescan" ]; then
|
|
start_scan="$( date +'%s')"
|
|
pair
|
|
fi
|
|
bt_IDS="$( bluetoothctl devices | awk '{print $2}' )"
|
|
dev_no=$( echo "$new_devices" | nl | grep "$choice" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
|
|
bluetoothctl pair "$dev_id" && sleep 2
|
|
bluetoothctl connect "$dev_id"
|
|
#if device is not already hard coded as paired, add to paired devices list
|
|
#echo grep: "$( grep "$dev_id" "$PAIRLIST" )"
|
|
if grep -q "$dev_id" "$PAIRLIST"
|
|
then
|
|
echo Device "$dev_id" "$choice" >> "$PAIRLIST"
|
|
fi
|
|
fi
|
|
cleanup
|
|
}
|
|
|
|
case $choice in
|
|
"turn on") bluetoothctl power on
|
|
cleanup;;
|
|
"turn off") bluetoothctl power off
|
|
cleanup;;
|
|
"scan on") bluetoothctl power on && echo power on && sleep 2
|
|
([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on
|
|
cleanup;;
|
|
"pair") pair;;
|
|
"unpair") choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'remove which paired device?')
|
|
if [ -n "$choice" ]; then
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
bluetoothctl remove "$dev_id"
|
|
#remove device to unpair from hard coded paired devices list
|
|
new_paired_list="$( grep -v "$dev_id" "$PAIRLIST" )"
|
|
echo "$new_paired_list" > "$PAIRLIST"
|
|
fi
|
|
cleanup;;
|
|
esac
|
|
|
|
if [ -n "$choice" ]; then
|
|
#echo paired_devices: "$( echo "$paired_devices" | nl )"
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}')
|
|
#echo dev_no:"$dev_no"
|
|
#echo dev_id:"$dev_id"
|
|
#echo choice:"$choice"
|
|
bluetoothctl power on
|
|
bluetoothctl pair "$dev_id"
|
|
bluetoothctl connect "$dev_id"
|
|
fi
|
|
|
|
cleanup
|