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

425b51cd5d3d830724b1a1a82b9e898bd426ca09
[etc/awesome.git] / widget / fs.lua
1 --[[
2
3      Licensed under GNU General Public License v2
4       * (c) 2018, Uli Schlacter
5       * (c) 2018, Otto Modinos
6       * (c) 2013, Luca CPZ
7
8 --]]
9
10 local helpers    = require("lain.helpers")
11 local Gio        = require("lgi").Gio
12 local focused    = require("awful.screen").focused
13 local wibox      = require("wibox")
14 local naughty    = require("naughty")
15 local math       = math
16 local string     = string
17 local tconcat    = table.concat
18 local type       = type
19 local tonumber   = tonumber
20 local query_size = Gio.FILE_ATTRIBUTE_FILESYSTEM_SIZE
21 local query_free = Gio.FILE_ATTRIBUTE_FILESYSTEM_FREE
22 local query_used = Gio.FILE_ATTRIBUTE_FILESYSTEM_USED
23 local query      = query_size .. "," .. query_free .. "," .. query_used
24
25 -- File systems info
26 -- lain.widget.fs
27
28 local function factory(args)
29     local fs = {
30         widget = wibox.widget.textbox(),
31         units = {
32             [1] = "Kb", [2] = "Mb", [3] = "Gb",
33             [4] = "Tb", [5] = "Pb", [6] = "Eb",
34             [7] = "Zb", [8] = "Yb"
35         }
36     }
37
38     function fs.hide()
39         if not fs.notification then return end
40         naughty.destroy(fs.notification)
41         fs.notification = nil
42     end
43
44     function fs.show(seconds, scr)
45         fs.hide(); fs.update()
46         fs.notification_preset.screen = fs.followtag and focused() or scr or 1
47         fs.notification = naughty.notify {
48             preset  = fs.notification_preset,
49             timeout = type(seconds) == "number" and seconds or 5
50         }
51     end
52
53     local args      = args or {}
54     local timeout   = args.timeout or 600
55     local partition = args.partition
56     local threshold = args.threshold or 99
57     local showpopup = args.showpopup or "on"
58     local settings  = args.settings or function() end
59
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 = {
65             font = "Monospace 10",
66             fg   = "#FFFFFF",
67             bg   = "#000000"
68         }
69     end
70
71     function fs.update()
72         local notifytable = { [1] = string.format("%-10s %-5s %s\t%s\t\n", "path", "used", "free", "size") }
73         local pathlen = 10
74         local maxpathidx = 1
75         fs_now = {}
76
77         for _, mount in ipairs(Gio.unix_mounts_get()) do
78             local path = Gio.unix_mount_get_mount_path(mount)
79             local root = Gio.File.new_for_path(path)
80             local info = root:query_filesystem_info(query)
81
82             if info then
83                 local size = info:get_attribute_uint64(query_size)
84                 local used = info:get_attribute_uint64(query_used)
85                 local free = info:get_attribute_uint64(query_free)
86
87                 if size > 0 then
88                     local units = math.floor(math.log(size)/math.log(1024))
89
90                     fs_now[path] = {
91                         units      = fs.units[units],
92                         percentage = math.floor(100 * used / size), -- used percentage
93                         size       = size / math.pow(1024, math.floor(units)),
94                         used       = used / math.pow(1024, math.floor(units)),
95                         free       = free / math.pow(1024, math.floor(units))
96                     }
97
98                     if fs_now[path].percentage > 0 then -- don't notify unused file systems
99                         notifytable[#notifytable+1] = string.format("\n%-10s %-3s\t%.2f\t%.2f\t%s", path,
100                         math.floor(fs_now[path].percentage) .. "%", fs_now[path].free, fs_now[path].size,
101                         fs_now[path].units)
102
103                         if #path > pathlen then
104                             pathlen = #path
105                             maxpathidx = #notifytable
106                         end
107                     end
108                 end
109             end
110         end
111
112         widget = fs.widget
113         settings()
114
115         if partition and fs_now[partition] and fs_now[partition].percentage >= threshold then
116             if not helpers.get_map(partition) then
117                 naughty.notify {
118                     preset = naughty.config.presets.critical,
119                     title  = "Warning",
120                     text   = string.format("%s is above %d%% (%d%%)", partition, threshold, fs_now[partition].percentage)
121                 }
122                 helpers.set_map(partition, true)
123             else
124                 helpers.set_map(partition, false)
125             end
126         end
127
128         if pathlen > 10 then -- formatting aesthetics
129             local pathspaces
130             for i = 1, #notifytable do
131                 pathspaces = notifytable[i]:match("[ ]+")
132                 if i ~= maxpathidx and pathspaces then
133                     notifytable[i] = notifytable[i]:gsub(pathspaces, pathspaces .. string.rep(" ", pathlen - 10))
134                 end
135             end
136         end
137
138         fs.notification_preset.text = tconcat(notifytable)
139     end
140
141     if showpopup == "on" then
142        fs.widget:connect_signal('mouse::enter', function () fs.show(0) end)
143        fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
144     end
145
146     helpers.newtimer(partition or "fs", timeout, fs.update)
147
148     return fs
149 end
150
151 return factory