]> git.madduck.net Git - etc/awesome.git/blob - widgets/fs.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:

wiki updated
[etc/awesome.git] / widgets / fs.lua
1
2 --[[
3                                                       
4      Licensed under GNU General Public License v2     
5       * (c) 2013, Luke Bonham                         
6       * (c) 2010, Adrian C.      <anrxc@sysphere.org> 
7       * (c) 2009, Lucas de Vries <lucas@glacicle.com> 
8                                                       
9 --]]
10
11 local helpers      = require("lain.helpers")
12
13 local beautiful    = require("beautiful")
14 local wibox        = require("wibox")
15 local naughty      = require("naughty")
16
17 local io           = { popen  = io.popen }
18 local pairs        = pairs
19 local mouse        = mouse
20 local string       = { match  = string.match,
21                        format = string.format }
22 local tonumber     = tonumber
23
24 local setmetatable = setmetatable
25
26 -- File system disk space usage
27 -- lain.widgets.fs
28 local fs = {}
29 local fs_notification  = nil
30
31 function fs.hide()
32     if fs_notification ~= nil then
33         naughty.destroy(fs_notification)
34         fs_notification = nil
35     end
36 end
37
38 function fs.show(seconds, options, scr)
39     fs.hide()
40
41     local cmd = (options and string.format("dfs %s", options)) or "dfs"
42     local ws = helpers.read_pipe(helpers.scripts_dir .. cmd):gsub("\n*$", "")
43
44     if fs.followmouse then
45         fs.notification_preset.screen = mouse.screen
46     elseif scr then
47         fs.notification_preset.screen = scr
48     end
49
50     fs_notification = naughty.notify({
51         preset  = fs.notification_preset,
52         text    = ws,
53         timeout = seconds or 5
54     })
55 end
56
57 -- Unit definitions
58 local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
59
60 local function worker(args)
61     local args             = args or {}
62     local timeout          = args.timeout or 600
63     local partition        = args.partition or "/"
64     local showpopup        = args.showpopup or "on"
65     local notify           = args.notify or "on"
66     local settings         = args.settings or function() end
67
68     fs.followmouse         = args.followmouse or false
69     fs.notification_preset = args.notification_preset or { fg = beautiful.fg_normal }
70
71     fs.widget = wibox.widget.textbox('')
72
73     helpers.set_map(partition, false)
74
75     function update()
76         fs_info = {}
77         fs_now  = {}
78         local f = assert(io.popen("LC_ALL=C df -kP"))
79
80         for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
81             local s     = string.match(line, "^.-[%s]([%d]+)")
82             local u,a,p = string.match(line, "([%d]+)[%D]+([%d]+)[%D]+([%d]+)%%")
83             local m     = string.match(line, "%%[%s]([%p%w]+)")
84
85             if u and m then -- Handle 1st line and broken regexp
86                 fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / unit["mb"])
87                 fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / unit["gb"])
88                 fs_info[m .. " used_p"]   = tonumber(p)
89                 fs_info[m .. " avail_p"]  = 100 - tonumber(p)
90             end
91         end
92
93         f:close()
94
95         fs_now.used      = tonumber(fs_info[partition .. " used_p"])  or 0
96         fs_now.available = tonumber(fs_info[partition .. " avail_p"]) or 0
97         fs_now.size_mb   = tonumber(fs_info[partition .. " size_mb"]) or 0
98         fs_now.size_gb   = tonumber(fs_info[partition .. " size_gb"]) or 0
99
100         notification_preset = fs.notification_preset
101         widget = fs.widget
102         settings()
103
104         if notify == "on" and fs_now.used >= 99 and not helpers.get_map(partition)
105         then
106             naughty.notify({
107                 title = "warning",
108                 text = partition .. " ran out!\nmake some room",
109                 timeout = 8,
110                 fg = "#000000",
111                 bg = "#FFFFFF",
112             })
113             helpers.set_map(partition, true)
114         else
115             helpers.set_map(partition, false)
116         end
117     end
118
119     if showpopup == "on" then
120        fs.widget:connect_signal('mouse::enter', function () fs.show(0) end)
121        fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
122     end
123
124     helpers.newtimer(partition, timeout, update)
125
126     return setmetatable(fs, { __index = fs.widget })
127 end
128
129 return setmetatable(fs, { __call = function(_, ...) return worker(...) end })