7f41cf7a82
The bare $HOME repo is gone. This is now the rice: install.sh, rice-* scripts in bin/, configs in home/ linked into $HOME, theme templates, st and the particle wallpaper. Clone to ~/rice and run install.sh.
100 lines
4.5 KiB
Bash
Executable file
100 lines
4.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# rice-bt - bluetooth state for the eww panel, and the actions it runs.
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#
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# rice-bt list JSON: power, discovery, paired and nearby devices
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# rice-bt power on|off|toggle
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# rice-bt scan look for new devices for 15 seconds
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# rice-bt toggle <MAC> connect or disconnect; new devices are paired and trusted first
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# rice-bt forget <MAC>
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#
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# Device names are chosen by the device, so the panel only ever passes MAC
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# addresses, and every MAC is checked before it is used.
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set -uo pipefail
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run="${XDG_RUNTIME_DIR:-/tmp}/rice"
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mkdir -p "$run"
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say() { rice-notify send "$1" "${2:-}" -i bluetooth; }
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poke() { date +%s%N > "$run/bt.rev"; }
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mac_ok() { [[ ${1:-} =~ ^([0-9A-F]{2}:){5}[0-9A-F]{2}$ ]] || { echo "rice-bt: not a MAC address: '${1:-}'" >&2; exit 2; }; }
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powered() { bluetoothctl show 2>/dev/null | grep -q 'Powered: yes'; }
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glyph() {
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case "$1" in
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audio-headset|audio-headphones) echo ;;
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audio-card) echo ;;
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input-keyboard) echo ;;
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input-mouse) echo ;;
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input-gaming) echo ;;
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phone) echo ;;
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computer) echo ;;
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*) echo ;;
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esac
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}
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device_json() {
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local mac="$1" info name icon paired connected battery
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info=$(bluetoothctl info "$mac" 2>/dev/null)
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name=$(sed -n 's/^\s*Alias: //p' <<<"$info" | head -n1)
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icon=$(sed -n 's/^\s*Icon: //p' <<<"$info" | head -n1)
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paired=$(grep -q 'Paired: yes' <<<"$info" && echo true || echo false)
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connected=$(grep -q 'Connected: yes' <<<"$info" && echo true || echo false)
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battery=$(sed -n 's/^\s*Battery Percentage: .*(\([0-9]*\))/\1/p' <<<"$info" | head -n1)
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jq -cn --arg mac "$mac" --arg name "${name:-$mac}" --arg glyph "$(glyph "$icon")" \
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--argjson paired "$paired" --argjson connected "$connected" --arg battery "$battery" \
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'{mac: $mac, name: $name, glyph: $glyph, paired: $paired, connected: $connected,
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battery: (if $battery == "" then "" else $battery + "%" end),
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sub: (if $connected then "connected" elif $paired then "paired" else "tap to pair" end)}'
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}
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list() {
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local on=false discovering=false paired="[]" nearby="[]" mac
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if powered; then
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on=true
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bluetoothctl show 2>/dev/null | grep -q 'Discovering: yes' && discovering=true
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paired=$(bluetoothctl devices Paired 2>/dev/null | awk '{ print $2 }' | grep -E '^([0-9A-F]{2}:){5}[0-9A-F]{2}$' |
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while read -r mac; do device_json "$mac"; done | jq -cs 'sort_by(.connected | not)')
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nearby=$(comm -23 <(bluetoothctl devices 2>/dev/null | awk '{ print $2 }' | sort) \
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<(bluetoothctl devices Paired 2>/dev/null | awk '{ print $2 }' | sort) |
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grep -E '^([0-9A-F]{2}:){5}[0-9A-F]{2}$' | head -n 8 |
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while read -r mac; do device_json "$mac"; done | jq -cs '[.[] | select(.name != .mac)]')
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fi
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jq -cn --argjson powered "$on" --argjson discovering "$discovering" \
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--argjson paired "$paired" --argjson nearby "$nearby" \
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'{powered: $powered, discovering: $discovering, paired: $paired, nearby: $nearby,
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connected: ([$paired[] | select(.connected)] | length)}'
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}
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case "${1:-}" in
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list) list ;;
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power)
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case "${2:-toggle}" in
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on) rfkill unblock bluetooth 2>/dev/null; bluetoothctl power on >/dev/null ;;
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off) bluetoothctl power off >/dev/null ;;
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*) if powered; then bluetoothctl power off >/dev/null; else rfkill unblock bluetooth 2>/dev/null; bluetoothctl power on >/dev/null; fi ;;
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esac
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poke ;;
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scan)
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powered || bluetoothctl power on >/dev/null
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setsid -f bluetoothctl --timeout 15 scan on >/dev/null 2>&1
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poke ;;
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toggle)
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mac_ok "${2:-}"; mac="$2"
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info=$(bluetoothctl info "$mac" 2>/dev/null)
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name=$(sed -n 's/^\s*Alias: //p' <<<"$info" | head -n1)
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if grep -q 'Connected: yes' <<<"$info"; then
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bluetoothctl disconnect "$mac" >/dev/null && say "Disconnected" "$name"
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else
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if ! grep -q 'Paired: yes' <<<"$info"; then
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bluetoothctl --timeout 20 pair "$mac" >/dev/null 2>&1 || { say "Pairing failed" "$name"; exit 1; }
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bluetoothctl trust "$mac" >/dev/null
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fi
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bluetoothctl --timeout 15 connect "$mac" >/dev/null 2>&1 && say "Connected" "$name" || say "Could not connect" "$name"
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fi
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poke ;;
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forget)
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mac_ok "${2:-}"
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bluetoothctl remove "$2" >/dev/null && say "Forgot device" "$2"
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poke ;;
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*) sed -n '2,10p' "$0" | sed 's/^# \{0,1\}//'; exit 2 ;;
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esac
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