93 lines
3.7 KiB
Plaintext
93 lines
3.7 KiB
Plaintext
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#!/bin/bash
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#wait time to discover new devices in seconds
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SCAN_PERIOD=5
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#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)
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BLACKLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/blacklist
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PAIRLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/paired
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actions="turn off
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turn on
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pair
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unpair"
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#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
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for prog in dmenu bluetoothctl awk cat; do
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if ! hash "$prog" 2>/dev/null; then
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printf 'bthandler: %s: command not found\n' "$prog" >&2
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exit 127
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fi
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done
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#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
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bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
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#Compile list of all device Names of paired devices (from bluetoothctl and from hardcoded list)
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paired_devices="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
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disp_devices="$( echo "$paired_devices" | grep -vf "$BLACKLIST" )"
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#Don't print empty device list, removes unnecessary empty choice in dmenu
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[ "$disp_devices" = "" ] && choice=$( echo "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
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[ "$disp_devices" != "" ] && choice=$( echo "$disp_devices" "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
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cleanup(){
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bluetoothctl scan off > /dev/null
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exit 0
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}
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case $choice in
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"turn on") bluetoothctl power on
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cleanup;;
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"turn off") bluetoothctl power off
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cleanup;;
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"scan on") bluetoothctl power on && echo power on && sleep 2
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([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on
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cleanup;;
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"pair") bluetoothctl power on
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bluetoothctl scan on & disown
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notify-send "Bluetooth" "Searching for devices, please wait a bit"
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sleep $SCAN_PERIOD
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echo "$paired_devices" > /tmp/paired_devices
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new_devices="$( bluetoothctl devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' | grep -vf /tmp/paired_devices )"
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rm -f /tmp/paired_devices
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choice=$( echo "$new_devices" | dmenu -l 10 -i -p 'pair with which device?' )
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if [ -n "$choice" ]; then
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bt_IDS="$( bluetoothctl devices | awk '{print $2}' )"
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dev_no=$( echo "$new_devices" | nl | grep "$choice" | awk '{print $1}')
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dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
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bluetoothctl pair "$dev_id" && sleep 2
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bluetoothctl connect "$dev_id"
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#if device is not already hard coded as paired, add to paired devices list
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#echo grep: "$( grep "$dev_id" "$PAIRLIST" )"
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if grep -q "$dev_id" "$PAIRLIST"
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then
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echo Device "$dev_id" "$choice" >> "$PAIRLIST"
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fi
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fi
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cleanup;;
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"unpair") choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'remove which paired device?')
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if [ -n "$choice" ]; then
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dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
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dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
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bluetoothctl remove "$dev_id"
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#remove device to unpair from hard coded paired devices list
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new_paired_list="$( grep -v "$dev_id" "$PAIRLIST" )"
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echo "$new_paired_list" > "$PAIRLIST"
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fi
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cleanup;;
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esac
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if [ -n "$choice" ]; then
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#echo paired_devices: "$( echo "$paired_devices" | nl )"
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dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
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dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}')
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#echo dev_no:"$dev_no"
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#echo dev_id:"$dev_id"
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#echo choice:"$choice"
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bluetoothctl power on
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bluetoothctl pair "$dev_id"
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bluetoothctl connect "$dev_id"
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fi
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cleanup
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