widgets: no global tables, but one instance per call; closes #336; closes #337

[etc/awesome.git] / widget / pulseaudio.lua

diff --git a/widget/pulseaudio.lua b/widget/pulseaudio.lua
index 44694d1773449dcd546fdd416c313a4315947c09..ed37cb5e96fbd580d70bef55a0b783f3582fdab7 100644 (file)
--- a/widget/pulseaudio.lua
+++ b/widget/pulseaudio.lua
@@ -6,26 +6,26 @@
                                                   
 --]]
 
-local helpers      = require("lain.helpers")
-local shell        = require("awful.util").shell
-local wibox        = require("wibox")
-local string       = { gmatch = string.gmatch,
-                       match  = string.match,
-                       format = string.format }
-local setmetatable = setmetatable
+local helpers = require("lain.helpers")
+local shell   = require("awful.util").shell
+local wibox   = require("wibox")
+local string  = { gmatch = string.gmatch,
+                  match  = string.match,
+                  format = string.format }
 
 -- PulseAudio volume
 -- lain.widget.pulseaudio
 
-local function worker(args)
-    local pulseaudio = { widget = wibox.widget.textbox() }
+local function factory(args)
+    local pulseaudio  = { widget = wibox.widget.textbox() }
     local args        = args or {}
-    local devicetype  = args.devicetype or "sink"
     local timeout     = args.timeout or 5
     local settings    = args.settings or function() end
     local scallback   = args.scallback
-
-    pulseaudio.cmd    = args.cmd or "pacmd list-" .. devicetype .. "s | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
+ 
+    pulseaudio.device = "N/A"
+    pulseaudio.devicetype = args.devicetype or "sink"
+    pulseaudio.cmd = args.cmd or "pacmd list-" .. pulseaudio.devicetype .. "s | sed -n -e '0,/*/d' -e '/base volume/d' -e '/volume:/p' -e '/muted:/p' -e '/device\\.string/p'"
 
     function pulseaudio.update()
         if scallback then pulseaudio.cmd = scallback() end
@@ -38,6 +38,8 @@ local function worker(args)
                 muted  = string.match(s, "muted: (%S+)") or "N/A"
             }
 
+            pulseaudio.device = volume_now.index
+
             local ch = 1
             volume_now.channel = {}
             for v in string.gmatch(s, ":.-(%d+)%%") do
@@ -59,4 +61,4 @@ local function worker(args)
     return pulseaudio
 end
 
-return setmetatable({}, { __call = function(_, ...) return worker(...) end })
+return factory