]> 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:

cal: terminal-colors.d independent highlight matching pattern
[etc/awesome.git] / widgets / fs.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local helpers      = require("lain.helpers")
10
11 local shell        = require("awful.util").shell
12 local focused      = require("awful.screen").focused
13 local wibox        = require("wibox")
14 local naughty      = require("naughty")
15
16 local string       = string
17 local tonumber     = tonumber
18
19 local setmetatable = setmetatable
20
21 -- File system disk space usage
22 -- lain.widgets.fs
23 local fs = helpers.make_widget_textbox()
24
25 -- Unit definitions
26 fs.unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
27
28 function fs.hide()
29     if not fs.notification then return end
30     naughty.destroy(fs.notification)
31     fs.notification = nil
32 end
33
34 function fs.show(seconds, scr)
35     fs.update()
36
37     fs.hide()
38
39     if fs.followtag then
40         fs.notification_preset.screen = focused()
41     elseif scr then
42         fs.notification_preset.screen = scr or 1
43     end
44
45     fs.notification = naughty.notify({
46         preset      = fs.notification_preset,
47         timeout     = seconds or 5
48     })
49 end
50
51 local function worker(args)
52     local args             = args or {}
53     local timeout          = args.timeout or 600
54     local partition        = args.partition or "/"
55     local showpopup        = args.showpopup or "on"
56     local notify           = args.notify or "on"
57     local settings         = args.settings or function() end
58
59     fs.options             = args.options
60     fs.followtag           = args.followtag or false
61     fs.notification_preset = args.notification_preset
62
63     if not fs.notification_preset then
64         fs.notification_preset      = naughty.config.defaults
65         fs.notification_preset.font = "Monospace 10"
66         fs.notification_preset.fg   = "#FFFFFF"
67         fs.notification_preset.bg   = "#000000"
68     end
69
70     helpers.set_map(partition, false)
71
72     function fs.update()
73         fs_info, fs_now  = {}, {}
74         helpers.async({ shell, "-c", "LC_ALL=C df -k --output=target,size,used,avail,pcent" }, function(f)
75             for line in string.gmatch(f, "\n[^\n]+") do
76                 local m,s,u,a,p = string.match(line, "(/.-%s).-(%d+).-(%d+).-(%d+).-([%d]+)%%")
77                 m = m:gsub(" ", "") -- clean target from any whitespace
78
79                 fs_info[m .. " size_mb"]  = string.format("%.1f", tonumber(s) / fs.unit["mb"])
80                 fs_info[m .. " size_gb"]  = string.format("%.1f", tonumber(s) / fs.unit["gb"])
81                 fs_info[m .. " used_mb"]  = string.format("%.1f", tonumber(u) / fs.unit["mb"])
82                 fs_info[m .. " used_gb"]  = string.format("%.1f", tonumber(u) / fs.unit["gb"])
83                 fs_info[m .. " used_p"]   = p
84                 fs_info[m .. " avail_mb"] = string.format("%.1f", tonumber(a) / fs.unit["mb"])
85                 fs_info[m .. " avail_gb"] = string.format("%.1f", tonumber(a) / fs.unit["gb"])
86                 fs_info[m .. " avail_p"]  = string.format("%d", 100 - tonumber(p))
87             end
88
89             fs_now.size_mb      = fs_info[partition .. " size_mb"]  or "N/A"
90             fs_now.size_gb      = fs_info[partition .. " size_gb"]  or "N/A"
91             fs_now.used         = fs_info[partition .. " used_p"]   or "N/A"
92             fs_now.used_mb      = fs_info[partition .. " used_mb"]  or "N/A"
93             fs_now.used_gb      = fs_info[partition .. " used_gb"]  or "N/A"
94             fs_now.available    = fs_info[partition .. " avail_p"]  or "N/A"
95             fs_now.available_mb = fs_info[partition .. " avail_mb"] or "N/A"
96             fs_now.available_gb = fs_info[partition .. " avail_gb"] or "N/A"
97
98             notification_preset = fs.notification_preset
99             widget = fs.widget
100             settings()
101
102             if notify == "on" and tonumber(fs_now.used) >= 99 and not helpers.get_map(partition) then
103                 naughty.notify({
104                     preset = naughty.config.presets.critical,
105                     title  = "Warning",
106                     text   = partition .. " is empty",
107                 })
108                 helpers.set_map(partition, true)
109             else
110                 helpers.set_map(partition, false)
111             end
112         end)
113
114         local notifycmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
115         helpers.async(helpers.scripts_dir .. notifycmd, function(ws)
116             fs.notification_preset.text = ws:gsub("\n*$", "")
117         end)
118     end
119
120     if showpopup == "on" then
121        fs.widget:connect_signal('mouse::enter', function () fs.show(0) end)
122        fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
123     end
124
125     helpers.newtimer(partition, timeout, fs.update)
126
127     return setmetatable(fs, { __index = fs.widget })
128 end
129
130 return setmetatable(fs, { __call = function(_, ...) return worker(...) end })