]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/alsa.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Merge branch 'master' of https://github.com/copycat-killer/lain
[etc/awesome.git] / widgets / alsa.lua
index 0bb205996054e12ff539e74624af637c3540ffdd..d85a0802e81d4a39ec83237c46409a74cf1bfd20 100644 (file)
@@ -7,68 +7,44 @@
                                                   
 --]]
 
-local newtimer        = require("lain.helpers").newtimer
-local read_pipe       = require("lain.helpers").read_pipe
+local newtimer     = require("lain.helpers").newtimer
+local read_pipe    = require("lain.helpers").read_pipe
 
-local wibox           = require("wibox")
+local wibox        = require("wibox")
 
-local string          = { match  = string.match,
-                          format = string.format }
+local string       = { match  = string.match,
+                       format = string.format }
 
-local setmetatable    = setmetatable
+local setmetatable = setmetatable
 
 -- ALSA volume
 -- lain.widgets.alsa
-local alsa = {
-    level  = "0",
-    status = "off",
-}
+local alsa = { last_level = "0", last_status = "" }
 
 local function worker(args)
     local args     = args or {}
-    local timeout  = args.timeout or 1
+    local timeout  = args.timeout or 5
     local settings = args.settings or function() end
 
     alsa.cmd     = args.cmd or "amixer"
     alsa.channel = args.channel or "Master"
-
-    alsa.widget = wibox.widget.textbox('')
+    alsa.widget  = wibox.widget.textbox('')
 
     function alsa.update()
-        local mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
-
-        volume_now = {}
-
-        volume_now.level, volume_now.status = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
-
-        if volume_now.level == nil
-        then
-            volume_now.level  = "0"
-            volume_now.status = "off"
-        end
+        mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
+        l,s   = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
 
-        if volume_now.status == ""
-        then
-            if volume_now.level == "0"
-            then
-                volume_now.status = "off"
-            else
-                volume_now.status = "on"
-            end
-        end
+        if alsa.last_level ~= l or alsa.last_status ~= s then
+            volume_now = { level = l, status = s }
+            alsa.last_level  = l
+            alsa.last_status = s
 
-        if alsa.level ~= volume_now.level or alsa.status ~= volume_now.status
-        then
             widget = alsa.widget
             settings()
-
-            alsa.level = volume_now.level
-            alsa.status = volume_now.status
         end
     end
 
     timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
-
     newtimer(timer_id, timeout, alsa.update)
 
     return setmetatable(alsa, { __index = alsa.widget })