]> git.madduck.net Git - etc/awesome.git/blob - .config/awesome/lain/widget/mem.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

autorandr unification across machines
[etc/awesome.git] / .config / awesome / lain / widget / mem.lua
1 --[[
2
3      Licensed under GNU General Public License v2
4       * (c) 2013,      Luca CPZ
5       * (c) 2010-2012, Peter Hofmann
6
7 --]]
8
9 local helpers              = require("lain.helpers")
10 local wibox                = require("wibox")
11 local gmatch, lines, floor = string.gmatch, io.lines, math.floor
12
13 -- Memory usage (ignoring caches)
14 -- lain.widget.mem
15
16 local function factory(args)
17     local mem      = { widget = wibox.widget.textbox() }
18     local args     = args or {}
19     local timeout  = args.timeout or 2
20     local settings = args.settings or function() end
21
22     function mem.update()
23         mem_now = {}
24         for line in lines("/proc/meminfo") do
25             for k, v in gmatch(line, "([%a]+):[%s]+([%d]+).+") do
26                 if     k == "MemTotal"     then mem_now.total = floor(v / 1024 + 0.5)
27                 elseif k == "MemFree"      then mem_now.free  = floor(v / 1024 + 0.5)
28                 elseif k == "Buffers"      then mem_now.buf   = floor(v / 1024 + 0.5)
29                 elseif k == "Cached"       then mem_now.cache = floor(v / 1024 + 0.5)
30                 elseif k == "SwapTotal"    then mem_now.swap  = floor(v / 1024 + 0.5)
31                 elseif k == "SwapFree"     then mem_now.swapf = floor(v / 1024 + 0.5)
32                 elseif k == "SReclaimable" then mem_now.srec  = floor(v / 1024 + 0.5)
33                 end
34             end
35         end
36
37         mem_now.used = mem_now.total - mem_now.free - mem_now.buf - mem_now.cache - mem_now.srec
38         mem_now.swapused = mem_now.swap - mem_now.swapf
39         mem_now.perc = math.floor(mem_now.used / mem_now.total * 100)
40
41         widget = mem.widget
42         settings()
43     end
44
45     helpers.newtimer("mem", timeout, mem.update)
46
47     return mem
48 end
49
50 return factory