Add callback function for to update sink

[etc/awesome.git] / widgets / alsa.lua

diff --git a/widgets/alsa.lua b/widgets/alsa.lua
index a3568923f35e7fd632a974d391ab2a92cf418859..85d53114e132a683fe2af8af9f86908af61b8f39 100644 (file)
--- a/widgets/alsa.lua
+++ b/widgets/alsa.lua
@@ -8,10 +8,10 @@
 --]]
 
 local newtimer        = require("lain.helpers").newtimer
 --]]
 
 local newtimer        = require("lain.helpers").newtimer

+local read_pipe       = require("lain.helpers").read_pipe

 
 local wibox           = require("wibox")
 
 
 local wibox           = require("wibox")
 

-local io              = { popen  = io.popen }

 local string          = { match  = string.match,
                           format = string.format }
 
 local string          = { match  = string.match,
                           format = string.format }
 


@@ -32,9 +32,7 @@ local function worker(args)
     alsa.widget = wibox.widget.textbox('')
 
     function alsa.update()
     alsa.widget = wibox.widget.textbox('')
 
     function alsa.update()

-        local f = assert(io.popen(string.format("%s get %s", alsa.cmd, alsa.channel)))
-        local mixer = f:read("*a")
-        f:close()
+        local mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))

 
         volume_now = {}
 
 
         volume_now = {}
 


@@ -60,7 +58,9 @@ local function worker(args)
         settings()
     end
 
         settings()
     end
 

-    newtimer("alsa", timeout, alsa.update)
+    timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
+
+    newtimer(timer_id, timeout, alsa.update)

 
     return setmetatable(alsa, { __index = alsa.widget })
 end
 
     return setmetatable(alsa, { __index = alsa.widget })
 end