statusd_wpvol.lua (#371)

* Change dock size to 420px

* add statusd_wpvol.lua

* add statusd_wpvol.lua

contrib/statusd/statusd_wpvol.lua

@@ -0,0 +1,72 @@
+--[[ Authors: Pavel Karnaukhov <[email protected]>
+License: GPLv3
+Shows volume using wpctl - WirePlumber, PipeWire session manager
+
+Add to template section of your cfg_statusbar.lua:
+%wpvol_volume -- shows volume of @DEFAULT_SINK@ in %
+%wpvol_state -- shows 'M' if muted and ' ' if unmuted
+
+You can edit device name and update interval in local defaults
+]]
+
+
+local defaults = {
+	update_interval = 1*1000,
+	important = 33,
+	critical = 66,
+	device = '@DEFAULT_SINK@',
+	unknown = '?'
+}
+
+local settings = table.join(statusd.get_config('wpvol'), defaults)
+
+local function get_volume()
+	local f=io.popen('wpctl get-volume '..settings.device)
+	local s=f:read('*all')
+	f:close()
+	local _, _, volume, state = string.find(s, 'Volume: ([0-9].[0-9]*)(.*)')
+
+	if not volume then
+		return settings.unknown, settings.unknown, critical, critical
+	else
+		volume = math.floor(volume * 100)
+	   if volume >= 0 and volume < settings.important then
+		   volume_hint = 'normal'
+	   elseif volume >= settings.important and volume < settings.critical then
+		   volume_hint = 'important'
+	   elseif volume >= settings.critical then
+		   volume_hint = 'critical'
+	   end
+	end
+
+	if state == ' [MUTED]\n' then
+		state = 'M'
+		state_hint = 'critical'
+	else
+		state = '.'
+		state_hint = 'normal'
+	end
+
+	return volume, state, volume_hint, state_hint
+end
+
+
+local function inform(key, value)
+   statusd.inform('wpvol_'..key, value)
+end
+
+
+local volume_timer = statusd.create_timer()
+
+local function update_volume()
+   local volume, state, volume_hint, state_hint = get_volume()
+   inform('volume', volume..'%')
+   inform('state', state)
+   inform('volume_hint', volume_hint)
+   inform('state_hint', state_hint)
+
+   -- update interval
+   volume_timer:set(settings.update_interval, update_volume)
+end
+
+update_volume()