X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/40798583795b58e496db607d9d23324b4a7ae09c..4c392a6d980af9c72052145c6a7a812c51e6ecee:/.config/awesome/lain/widget/alsa.lua

diff --git a/.config/awesome/lain/widget/alsa.lua b/.config/awesome/lain/widget/alsa.lua
new file mode 100644
index 0000000..36ccc71
--- /dev/null
+++ b/.config/awesome/lain/widget/alsa.lua
@@ -0,0 +1,55 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Luke Bonham                     
+      * (c) 2010, Adrian C. <anrxc@sysphere.org>  
+                                                  
+--]]
+
+local helpers = require("lain.helpers")
+local shell   = require("awful.util").shell
+local wibox   = require("wibox")
+local string  = { match  = string.match,
+                  format = string.format }
+
+-- ALSA volume
+-- lain.widget.alsa
+
+local function factory(args)
+    local alsa     = { widget = wibox.widget.textbox() }
+    local args     = args or {}
+    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.togglechannel = args.togglechannel
+
+    local format_cmd = string.format("%s get %s", alsa.cmd, alsa.channel)
+
+    if alsa.togglechannel then
+        format_cmd = { shell, "-c", string.format("%s get %s; %s get %s",
+        alsa.cmd, alsa.channel, alsa.cmd, alsa.togglechannel) }
+    end
+
+    alsa.last = {}
+
+    function alsa.update()
+        helpers.async(format_cmd, function(mixer)
+            local l,s = string.match(mixer, "([%d]+)%%.*%[([%l]*)")
+            if alsa.last.level ~= l or alsa.last.status ~= s then
+                volume_now = { level = l, status = s }
+                widget = alsa.widget
+                settings()
+                alsa.last = volume_now
+            end
+        end)
+    end
+
+    helpers.newtimer(string.format("alsa-%s-%s", alsa.cmd, alsa.channel), timeout, alsa.update)
+
+    return alsa
+end
+
+return factory