port volume widget to freebsd

widgets/volume_freebsd.lua

@@ -0,0 +1,38 @@
+-- {{{ Grab environment
+local tonumber = tonumber
+local io = { popen = io.popen }
+local setmetatable = setmetatable
+local string = { match = string.match }
+local helpers = require("vicious.helpers")
+-- }}}
+
+
+-- Volume: provides volume levels and state of requested mixer
+-- vicious.widgets.volume_freebsd
+local volume_freebsd = {}
+
+
+-- {{{ Volume widget type
+local function worker(format, warg)
+    if not warg then return end
+
+    local mixer_state = { "♫", "♩" }
+
+    -- Get mixer control contents
+    f = io.popen("mixer -s " .. helpers.shellquote(warg))
+    local mixer = f:read()
+    f:close()
+
+    -- Capture mixer control state:          [5%] ... ... [on]
+    local voll, volr = string.match(mixer, "([%d]+):([%d]+)$")
+
+    if voll == "0" and volr == "0" then
+        return {0, 0, mixer_state[2]}
+    else
+        return {voll, volr, mixer_state[1]}
+    end
+
+end
+-- }}}
+
+return setmetatable(volume_freebsd, { __call = function(_, ...) return worker(...) end })

widgets/volume_linux.lua

@@ -14,7 +14,7 @@ local helpers = require("vicious.helpers")
 
 -- Volume: provides volume levels and state of requested ALSA mixers
 -- vicious.widgets.volume
-local volume = {}
+local volume_linux = {}
 
 
 -- {{{ Volume widget type
@@ -51,4 +51,4 @@ local function worker(format, warg)
 end
 -- }}}
 
-return setmetatable(volume, { __call = function(_, ...) return worker(...) end })
+return setmetatable(volume_linux, { __call = function(_, ...) return worker(...) end })