removes unnecessary power option depending on power state
This commit is contained in:
96
bt
96
bt
@@ -4,17 +4,14 @@ 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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AUTOTRUST=true
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actions="turn off
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turn on
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pair
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actions="pair
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disconnect
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unpair"
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if ! $AUTOTRUST; then
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actions+="
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trust"
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fi
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#get power state of bluetooth controller
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powerstatus="$( bluetoothctl show | grep Powered | awk '{print $2}' )"
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scanstatus="$( bluetoothctl show | grep Discovering | awk '{print $2}' )"
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#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
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for prog in dmenu bluetoothctl awk cat date nl; do
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@@ -24,9 +21,20 @@ for prog in dmenu bluetoothctl awk cat date nl; do
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fi
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done
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#start scanning as early as possible to speed up pairing process:
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bluetoothctl power on & bluetoothctl scan on &>/dev/null &
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start_scan="$( date +'%s' )"
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poweron(){
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[ "$powerstatus" = "no" ] && bluetoothctl power on
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}
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scanon(){
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if [ "$scanstatus" = "no" ]; then
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bluetoothctl scan on &
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start_scan="$( date +'%s' )"
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fi
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}
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#start scanning as early as possible to speed up pairing process
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#=> maybe use an option to do this? Otherwise ever invocation of bt powers on the controller.
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poweron
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scanon
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#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
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bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
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@@ -35,10 +43,14 @@ bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{
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paired_devices="$( ( 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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echo "$paired_devices"
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echo ----------------
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echo "$disp_devices"
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poweroption="$( echo "$powerstatus" | sed 's/yes/power off/; s/no/power on/' )"
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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" && echo "$actions" ) | dmenu -i -p 'What BT action would you like to perform:' )
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[ "$disp_devices" = "" ] && choice=$( printf "%s\n%s" "$poweroption" "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
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[ "$disp_devices" != "" ] && choice=$( ( echo "$disp_devices" && printf "%s\n%s" "$poweroption" "$actions" ) | dmenu -i -p 'What BT action would you like to perform:' )
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cleanup(){
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bluetoothctl scan off
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@@ -47,8 +59,8 @@ cleanup(){
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pair(){
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#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.
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bluetoothctl power on &>/dev/null &
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bluetoothctl scan on &>/dev/null &
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#bluetoothctl power on &>/dev/null &
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#bluetoothctl scan on &>/dev/null &
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#check whether $SCAN_PERIOD seconds has already passed since starting scanning, if not, wait for the rest of that time.
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if [ $((( "$(date +'%s')" - "$start_scan" ))) -lt $SCAN_PERIOD ]; then
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sleep_period="$((( "$SCAN_PERIOD" - "$( date +'%s')" + "$start_scan" )))"
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@@ -60,10 +72,15 @@ pair(){
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sleep "$sleep_period"
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fi
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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" && echo 'rescan' ) | dmenu -l 10 -i -p 'pair with which device?' )
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if [ $paired_devices = "" ]; then
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echo "$paired_devices" > /tmp/paired_devices
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new_devices="$( bluetoothctl devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' | grep -vf /tmp/paired_devices )"
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rm -f /tmp/paired_devices
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else
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new_devices="$( bluetoothctl devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
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fi
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[ $new_devices = "" ] && options="rescan" || options=$(echo "$new_devices" && echo 'rescan')
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choice=$( echo "$options" | dmenu -l 10 -i -p 'pair with which device?' )
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if [ -n "$choice" ]; then
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if [ "$choice" = "rescan" ]; then
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start_scan="$( date +'%s')"
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@@ -79,22 +96,20 @@ pair(){
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bluetoothctl trust "$dev_id"
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fi
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#if device is not already hard coded as paired, add to paired devices list
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if grep -q "$dev_id" "$PAIRLIST"
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if [ "$( grep "$dev_id" "$PAIRLIST")" != "" ]
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then
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echo to be added to $PAIRLIST
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echo Device "$dev_id" "$choice"
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echo Device "$dev_id" "$choice" >> "$PAIRLIST"
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fi
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fi
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cleanup
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}
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case $choice in
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"turn on") bluetoothctl power on
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cleanup;;
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"turn off") bluetoothctl power off
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cleanup;;
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"turn on") bluetoothctl power on;;
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"turn off") bluetoothctl power off;;
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"scan on") bluetoothctl power on && echo power on && sleep 2
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([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on
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cleanup;;
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([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on;;
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"pair") pair;;
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"unpair") choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'remove which paired device?')
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if [ -n "$choice" ]; then
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@@ -104,22 +119,25 @@ case $choice in
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#remove device to unpair from hard coded paired devices list
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new_paired_list="$( 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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fi;;
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"trust") 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 $2}' )
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bluetoothctl trust "$dev_id"
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fi
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fi;;
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"disconnect") 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 $2}' )
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bluetoothctl disconnect "$dev_id"
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fi;;
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"*")
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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 $2}')
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bluetoothctl power on
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bluetoothctl pair "$dev_id"
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bluetoothctl connect "$dev_id";;
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esac
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if [ -n "$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 $2}')
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bluetoothctl power on
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bluetoothctl pair "$dev_id"
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bluetoothctl connect "$dev_id"
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fi
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cleanup
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