contrib: imported basic OSS volume widget

extra/ossvol.lua

@@ -0,0 +1,38 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2009, Adrian C. <anrxc@sysphere.org>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local tonumber = tonumber
+local io = { popen = io.popen }
+local setmetatable = setmetatable
+local string = {
+    find = string.find,
+    match = string.match
+}
+-- }}}
+
+
+-- Ossvol: provides volume levels of requested OSS mixers
+module("vicious.widgets.ossvol")
+
+
+-- {{{ Volume widget type
+local function worker(format, channel)
+    -- Get mixer data
+    local f = io.popen("ossmix " .. channel)
+    local mixer = f:read("*all")
+    f:close()
+
+    local vol = tonumber(string.match(mixer, "([%d]+)"))
+    -- If mute return 0 (not "Mute") so we don't break progressbars
+    if (vol == nil or vol == 0) or string.find(mixer, "OFF") then
+        vol = 0
+    end
+
+    return {vol}
+end
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })