From 0bd5a1cdcb18e79b785469c0348a4c50d54864d4 Mon Sep 17 00:00:00 2001
From: yawnt <yawn.localhost@gmail.com>
Date: Mon, 23 Dec 2013 17:19:25 +0100
Subject: [PATCH 1/2] contrib-widget: brightness

---
 widgets/contrib/brightness.lua | 46 ++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 widgets/contrib/brightness.lua

diff --git a/widgets/contrib/brightness.lua b/widgets/contrib/brightness.lua
new file mode 100644
index 0000000..bf14baf
--- /dev/null
+++ b/widgets/contrib/brightness.lua
@@ -0,0 +1,46 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, yawnt <yawn.localhost@gmail.com>
+                                                  
+--]]
+
+local newtimer        = require("lain.helpers").newtimer
+
+local wibox           = require("wibox")
+local io              = { popen  = io.popen }
+local string          = { match  = string.match }
+
+local setmetatable    = setmetatable
+
+-- Brightness 
+-- lain.widgets.contrib.brightness
+local brightness = {}
+
+local function worker(args)
+    local args      = args or {}
+    local backlight = args.backlight or "acpi_video0"
+    local timeout   = args.timeout or 5
+    local settings  = args.settings or function() end
+
+    brightness.widget = wibox.widget.textbox('')
+
+    function brightness.update()
+        local f = assert(io.popen('cat /sys/class/backlight/' .. backlight .. "/brightness"))
+
+        brightness_now = {
+          level = f:read("*a")
+        }
+        f:close()
+        
+        widget = brightness.widget
+        settings()
+    end
+
+    newtimer("brightness", timeout, brightness.update)
+
+    return setmetatable(brightness, { __index = brightness.widget })
+end
+
+return setmetatable(brightness, { __call = function(_, ...) return worker(...) end })

From 0345cc3576955b37a981ee8f38d11e99c82dbb31 Mon Sep 17 00:00:00 2001
From: yawnt <yawn.localhost@gmail.com>
Date: Mon, 23 Dec 2013 18:04:06 +0100
Subject: [PATCH 2/2] fix: better code

---
 widgets/contrib/brightness.lua | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/widgets/contrib/brightness.lua b/widgets/contrib/brightness.lua
index bf14baf..6967572 100644
--- a/widgets/contrib/brightness.lua
+++ b/widgets/contrib/brightness.lua
@@ -1,9 +1,9 @@
 
 --[[
-                                                  
-     Licensed under GNU General Public License v2 
+
+     Licensed under GNU General Public License v2
       * (c) 2013, yawnt <yawn.localhost@gmail.com>
-                                                  
+
 --]]
 
 local newtimer        = require("lain.helpers").newtimer
@@ -14,7 +14,7 @@ local string          = { match  = string.match }
 
 local setmetatable    = setmetatable
 
--- Brightness 
+-- Brightness
 -- lain.widgets.contrib.brightness
 local brightness = {}
 
@@ -28,12 +28,9 @@ local function worker(args)
 
     function brightness.update()
         local f = assert(io.popen('cat /sys/class/backlight/' .. backlight .. "/brightness"))
-
-        brightness_now = {
-          level = f:read("*a")
-        }
+        brightness_now = f:read("*a")
         f:close()
-        
+
         widget = brightness.widget
         settings()
     end