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/mpc.lua | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 contrib/mpc.lua

(limited to 'contrib/mpc.lua')

diff --git a/contrib/mpc.lua b/contrib/mpc.lua
new file mode 100644
index 0000000..8f1f0a9
--- /dev/null
+++ b/contrib/mpc.lua
@@ -0,0 +1,47 @@
+---------------------------------------------------
+-- Licensed under the GNU General Public License v2
+--  * (c) 2010, Adrian C. <anrxc@sysphere.org>
+--  * (c) 2009, Lucas de Vries <lucas@glacicle.com>
+---------------------------------------------------
+
+-- {{{ Grab environment
+local type = type
+local io = { popen = io.popen }
+local setmetatable = setmetatable
+local string = { find = string.find }
+local helpers = require("vicious.helpers")
+-- }}}
+
+
+-- Mpc: provides the currently playing song in MPD
+module("vicious.contrib.mpc")
+
+
+-- {{{ MPC widget type
+local function worker(format, warg)
+    -- Get data from mpd
+    local f = io.popen("mpc")
+    local np = f:read("*line")
+    f:close()
+
+    -- Not installed,
+    if np == nil or --  off         or                 stoppped.
+       (string.find(np, "MPD_HOST") or string.find(np, "volume:"))
+    then
+        return {"Stopped"}
+    end
+
+    -- Check if we should scroll, or maybe truncate
+    if warg then
+        if type(warg) == "table" then
+            np = helpers.scroll(np, warg[1], warg[2])
+        else
+            np = helpers.truncate(np, warg)
+        end
+    end
+
+    return {helpers.escape(np)}
+end
+-- }}}
+
+setmetatable(_M, { __call = function(_, ...) return worker(...) end })
-- 
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