Import of vicious source tree.v1.0.0

Vicious is a modular widget library for 'awesome' window manager,
derived from the 'Wicked' widget library.

Summary of changes:
  * Original wicked code modularized
  * Widgets ported from Wicked:
    - CPU, MEM, FS, NET, Date, Uptime, MPD
      * CPU widget rewritten, uses pattern matching
      * MEM widget rewritten, uses pattern matching
        - Swap widget merged with MEM widget type
      * FS widget rewritten, uses pattern matching
        - Also fixed padding in the process
      * NET widget rewritten, uses pattern matching
      * MPD widget rewritten, a bit more versatile
      * Removed deprecated helper functions
  * Widgets written for Vicious:
    - Thermal, Battery, Mbox, OrgMode, Volume, Entropy,
      Disk I/O, System Load, Wireless, Pacman, Maildir

1 files changed, 33 insertions, 0 deletions

diff --git a/volume.lua b/volume.lua
new file mode 100644
index 0000000..fd02b76
--- /dev/null
+++ b/volume.lua
@@ -0,0 +1,33 @@
+----------------------------------------------------------
+-- Licensed under the GNU General Public License version 2
+--  * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
+----------------------------------------------------------
+
+-- {{{ Grab environment
+local io = { popen = io.popen }
+local string = { match = string.match }
+-- }}}
+
+
+-- Volume: provides volume levels of requested ALSA mixers
+module("vicious.volume")
+
+
+-- {{{ Volume widget type
+function worker(format, channel)
+    -- Get mixer data
+    local f = io.popen("amixer get " .. channel)
+    local mixer = f:read("*all")
+    f:close()
+
+    -- Get volume level
+    local volume_level = string.match(mixer, "([%d]?[%d]?[%d])%%")
+
+    -- Don't break progressbars
+    if volume_level == nil then
+        return {0}
+    end
+
+    return {volume_level}
+end
+-- }}}