class Widgets::Volume

Volume control via PulseAudio

The instance variables @volume @display_volume and @muted are exposed

Public Class Methods

Source

# File src/widgets/volume.rb, line 9
def initialize options
    options[:on_click] ||= proc { toggle_mute }
    super
    @label = Gtk::Label.new ''
    get_default_sink_volume
    update_safe
    listen_thread
    append @label
end

Calls superclass method Widgets::BaseWidget::new

speaker_emoji (volume = Float, muted: Boolean | false)

Source

# File src/widgets/volume.rb, line 25
def self.speaker_emoji(volume = Float, muted: Boolean | false) -> { String }
  return "🔇" if muted
  case volume
  when 0.0...0.2 then "🔈"
  when 0.2...0.5 then "🔉"
  when 0.5...1.0 then "🔊"
  else
    raise "unexpected volume #{volume}"
  end
end

www.unicode.org/charts/PDF/U1F300.pdf

Public Instance Methods

toggle_mute ()

Source

# File src/widgets/volume.rb, line 36
def toggle_mute
  `wpctl set-mute @DEFAULT_SINK@ toggle`
end

update ()

Source

# File src/widgets/volume.rb, line 19
def update
  @display_volume = (@volume * 100).round
  @label.set_text(instance_exec(&@proc) || "#{self.class.speaker_emoji(@volume, muted: @muted)} #{@display_volume || '?'}")
end