dotfiles/bin/change-volume at main · cherrynoize/dotfiles · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
#!/usr/bin/env bash
# author | cherrynoize
# https://github.com/cherrynoize

# available commands are
# --------
# |  up  |
# | down |
# | mute |
# --------

ctl=Master
icon_on=󰕾
icon_off=󰝟

# delta value
step=5%

# notification duration in seconds
#duration=2
# notification id
#nid=100

# command to turn on control
on_cmd=on

function get_volume {
  amixer -D pulse get "$ctl" | grep '%' | head -n 1 | cut -d '[' -f 2 | cut -d '%' -f 1
}

function set_volume {
  amixer -D pulse sset "$ctl" "$1" > /dev/null || exit 2
  send_notification
}

function is_mute {
  amixer -D pulse get "$ctl" | grep '%' | grep -oE '[^ ]+$' | grep off > /dev/null
}

function mute {
  amixer -D pulse set "$ctl" mute > /dev/null
  send_notification
}

function unmute {
  amixer -D pulse set "$ctl" unmute > /dev/null
  send_notification
}

function toggle_mute {
  amixer -D pulse set "$ctl" toggle > /dev/null
  send_notification
}

function send_notification {
  if [ -z "$quiet" ]; then
    volume="$(get_volume)"
    volume=$((volume*98/100)) # Resize to fit notification on 100%

    if is_mute; then
      #dunstify -a muteVolume --replace="$nid" -t ${duration}000 -u normal "$icon_off Mute"
      notify-percent -a changeVolume -m compact "$volume" "$icon_off"
    else
      notify-percent -a changeVolume -m compact "$volume" "$icon_on"
    fi
  fi
}

while [ -n "$1" ]; do
  case "$1" in
    mic)
      ctl=Capture
      icon_on=
      icon_off=
      on_cmd=cap
      ;;
    -q|--quiet)
      quiet=1
      ;;
    -*)
      echo "unknown option: $1"
      exit 1
      ;;
    *)
      if [ -n "$arg" ]; then
        echo "error: too many commands: $cmd $1"
        exit 1
      elif [ -n "$cmd" ]; then
        arg="$1"
      else
        cmd=$1
      fi
      ;;
  esac
  shift
done

case "$cmd" in
  "")
    send_notification
    ;;
  up)
    # Turn volume on
    amixer -D pulse set "$ctl" "$on_cmd" > /dev/null || exit 2

    [ -z "$arg" ] && arg="$step"
    set_volume "$arg"+
    ;;
  down)
    [ -z "$arg" ] && arg="$step"
    set_volume "$arg"-
    ;;
  mute)
    mute
    ;;
  unmute)
    unmute
    ;;
  toggle)
    toggle_mute
    ;;
  *)
    set_volume "$cmd" || {
      echo "unknown command: $cmd"
      exit 1
    }
    ;;
esac