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contrib-widget: brightness
authoryawnt <yawn.localhost@gmail.com>
Mon, 23 Dec 2013 16:19:25 +0000 (17:19 +0100)
committeryawnt <yawn.localhost@gmail.com>
Mon, 23 Dec 2013 16:19:25 +0000 (17:19 +0100)
widgets/contrib/brightness.lua [new file with mode: 0644]

diff --git a/widgets/contrib/brightness.lua b/widgets/contrib/brightness.lua
new file mode 100644 (file)
index 0000000..bf14baf
--- /dev/null
@@ -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 })