100 lines
2.3 KiB
Bash
Executable File
100 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env zsh
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setopt rcquotes
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function print_help {
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echo "usage: sound-control.sh [-n] [-h] <command>"
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echo 'Options:'
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echo ' -h: print this message, then exit'
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echo ' -n: don''t notify the volume'
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echo 'Commands:'
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echo ' up: increase the volume (default: 5%)'
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echo ' down: decrease the volume (default: 5%)'
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echo ' set: set the volume'
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echo ' mute: toggle the mute with no argument, or set it with one'
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echo ' help: print this message, then exit'
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echo ' notify: notify the volume, then exit (do nothing with -n)'
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}
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let notify=1
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function notify_vol {
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if ! ((${notify})); then
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return
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fi
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let vol="$(pamixer --get-volume)"
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local icon
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if [[ "$(pamixer --get-mute)" == 'true' ]]; then
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icon=''
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elif (( ${vol} > 50 )); then
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icon=''
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elif (( ${vol} >= 0 )); then
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icon=''
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else
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icon='？'
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fi
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notify-send -h string:x-canonical-private-synchronous:sound-control-sh \
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-t 4000 \
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-u normal \
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-a "Volume" \
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-h int:value:"${vol}" \
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"${icon}"
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}
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function check_number {
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if ! [[ -z "${1}" ]] && ! [[ "${1}" =~ '^-?[0-9]+%?$' ]]; then
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echo "error: not a valid number: \"${1}\""
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exit 1
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fi
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}
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if [[ "${1}" == '-n' ]]; then
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shift 1
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notify=0
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fi
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case "${1}" in
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-h|help|'')
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print_help
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;;
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up)
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check_number "${2}"
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pamixer -i "${${2:-5}%'%'}"
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notify_vol
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;;
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down)
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check_number "${2}"
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pamixer -d "${${2:-5}%'%'}"
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notify_vol
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;;
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set)
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(( ${#} >= 2 )) || { echo 'error: no input value'; exit 1 }
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check_number "${2}"
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pamixer --set-volume "${2%'%'}"
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notify_vol
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;;
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mute)
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if (( ${#} >= 2 )); then
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if [[ "${2:l}" =~ '^y(es?)?$' ]]; then
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pamixer -m
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elif [[ "${2:l}" =~ '^no?$' ]]; then
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pamixer -u
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else
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echo "error: must be one of 'yes' or 'no': \"${2}\""
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exit 1
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fi
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else
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pamixer -t
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fi
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notify_vol
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;;
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notify)
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notify_vol
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;;
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*)
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echo "error: unknown command: \"${1}\""
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print_help
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exit 1
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;;
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esac
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