From 26b0395ba988948a7cc8b79d08faf6a57058886a Mon Sep 17 00:00:00 2001
From: "Adrian C. (anrxc)" <anrxc@sysphere.org>
Date: Sun, 29 Aug 2010 00:49:57 +0200
Subject: contrib: imported contrib widgets

---
 contrib/ossvol.lua | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 contrib/ossvol.lua

(limited to 'contrib/ossvol.lua')

diff --git a/contrib/ossvol.lua b/contrib/ossvol.lua
new file mode 100644
index 0000000..eb14cb8
--- /dev/null
+++ b/contrib/ossvol.lua
@@ -0,0 +1,53 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2010, Adrian C. <anrxc@sysphere.org>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local tonumber = tonumber
+local io = { popen = io.popen }
+local setmetatable = setmetatable
+local string = { match = string.match }
+-- }}}
+
+
+-- Ossvol: provides volume levels of requested OSS mixers
+module("vicious.contrib.ossvol")
+
+
+-- {{{ Volume widget type
+local function worker(format, warg)
+    if not warg then return end
+
+    local mixer_state = {
+        ["on"]  = "♫", -- "",
+        ["off"] = "♩"  -- "M"
+    }
+
+    -- Get mixer control contents
+    local f = io.popen("ossmix -c")
+    local mixer = f:read("*all")
+    f:close()
+
+    -- Capture mixer control state
+    local volu = tonumber(string.match(mixer, warg .. "[%s]([%d%.]+)"))/0.25
+    local mute = string.match(mixer, "vol%.mute[%s]([%a]+)")
+    -- Handle mixers without data
+    if volu == nil then
+       return {0, mixer_state["off"]}
+    end
+
+    -- Handle mixers without mute
+    if mute == "OFF" and volu == "0"
+    -- Handle mixers that are muted
+    or mute == "ON" then
+       mute = mixer_state["off"]
+    else
+       mute = mixer_state["on"]
+    end
+
+    return {volu, mute}
+end
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })
-- 
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