wiki & readme updated

[etc/awesome.git] / widgets / mem.lua

diff --git a/widgets/mem.lua b/widgets/mem.lua
index 09be00f4bfc61746c8dceb7149a0f527f18a5647..f6213b236fe01483002e97f63d90da812ebdb912 100644 (file)
--- a/widgets/mem.lua
+++ b/widgets/mem.lua
@@ -1,25 +1,19 @@
 
 --[[
-                                                           
-     Licensed under GNU General Public License v2          
-      * (c) 2013,      Luke Bonham                         
-      * (c) 2010-2012, Peter Hofmann                       
-      * (c) 2010,      Adrian C.      <anrxc@sysphere.org> 
-      * (c) 2009,      Lucas de Vries <lucas@glacicle.com> 
-                                                           
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013,      Luke Bonham                
+      * (c) 2010-2012, Peter Hofmann              
+                                                  
 --]]
 
-local markup          = require("lain.util.markup")
-local run_in_terminal = require("lain.helpers").run_in_terminal
+local newtimer        = require("lain.helpers").newtimer
 
-local beautiful       = require("beautiful")
 local wibox           = require("wibox")
 
 local io              = { lines  = io.lines }
 local math            = { floor  = math.floor }
-local string          = { format = string.format,
-                          gmatch = string.gmatch,
-                          len    = string.len }
+local string          = { gmatch = string.gmatch }
 
 local setmetatable    = setmetatable
 
@@ -27,61 +21,39 @@ local setmetatable    = setmetatable
 -- lain.widgets.mem
 local mem = {}
 
-function worker(args)
-    local args = args or {}
-    local refresh_timeout = args.refresh_timeout or 10
-    local show_swap = args.show_swap or false
-    local show_total = args.show_total or false
-    local header = args.header or " Mem "
-    local header_color = args.header or beautiful.fg_normal or "#FFFFFF"
-    local color = args.color or beautiful.fg_focus or "#FFFFFF"
-    local footer = args.footer or "MB"
+local function worker(args)
+    local args     = args or {}
+    local timeout  = args.timeout or 2
+    local settings = args.settings or function() end
 
-    local widg = wibox.widget.textbox()
+    mem.widget = wibox.widget.textbox('')
 
-    local upd = function()
-        local mem = {}
+    function update()
+        mem_now = {}
         for line in io.lines("/proc/meminfo")
         do
             for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
             do
-                if     k == "MemTotal"  then mem.total = math.floor(v / 1024)
-                elseif k == "MemFree"   then mem.free  = math.floor(v / 1024)
-                elseif k == "Buffers"   then mem.buf   = math.floor(v / 1024)
-                elseif k == "Cached"    then mem.cache = math.floor(v / 1024)
-                elseif k == "SwapTotal" then mem.swap  = math.floor(v / 1024)
-                elseif k == "SwapFree"  then mem.swapf = math.floor(v / 1024)
+                if     k == "MemTotal"  then mem_now.total = math.floor(v / 1024)
+                elseif k == "MemFree"   then mem_now.free  = math.floor(v / 1024)
+                elseif k == "Buffers"   then mem_now.buf   = math.floor(v / 1024)
+                elseif k == "Cached"    then mem_now.cache = math.floor(v / 1024)
+                elseif k == "SwapTotal" then mem_now.swap  = math.floor(v / 1024)
+                elseif k == "SwapFree"  then mem_now.swapf = math.floor(v / 1024)
                 end
             end
         end
 
-        used = mem.total - (mem.free + mem.buf + mem.cache)
-        swapused = mem.swap - mem.swapf
+        mem_now.used = mem_now.total - (mem_now.free + mem_now.buf + mem_now.cache)
+        mem_now.swapused = mem_now.swap - mem_now.swapf
 
-        if show_total
-        then
-            local fmt = "%" .. string.len(mem.total) .. ".0f/%.0f"
-            widg:set_markup(markup(header_color, header) ..
-                            markup(color, string.format(fmt, used, mem.total) .. footer .. " "))
-        else
-            widg:set_markup(markup(header_color, header) ..
-                            markup(color, used .. footer .. " "))
-        end
-
-        if show_swap
-        then
-            widg:set_markup(widg._layout.text .. ' ('
-                            .. string.format('%.0f '.. footer, swapused)
-                            .. ') ')
-        end
+        widget = mem.widget
+        settings()
     end
 
-    local tmr = timer({ timeout = refresh_timeout })
-    tmr:connect_signal("timeout", upd)
-    tmr:start()
-    tmr:emit_signal("timeout")
+    newtimer("mem", timeout, update)
 
-    return widg
+    return mem.widget
 end
 
 return setmetatable(mem, { __call = function(_, ...) return worker(...) end })