neodotfiles/config/awesome/lain/widget/fs.lua
2021-12-31 20:29:27 -04:00

143 lines
4.8 KiB
Lua
Executable file

--[[
Licensed under GNU General Public License v2
* (c) 2018, Uli Schlacter
* (c) 2018, Otto Modinos
* (c) 2013, Luca CPZ
--]]
local helpers = require("lain.helpers")
local Gio = require("lgi").Gio
local focused = require("awful.screen").focused
local wibox = require("wibox")
local naughty = require("naughty")
local math = math
local string = string
local tconcat = table.concat
local tonumber = tonumber
local query_size = Gio.FILE_ATTRIBUTE_FILESYSTEM_SIZE
local query_free = Gio.FILE_ATTRIBUTE_FILESYSTEM_FREE
local query_used = Gio.FILE_ATTRIBUTE_FILESYSTEM_USED
local query = query_size .. "," .. query_free .. "," .. query_used
-- File systems info
-- lain.widget.fs
local function factory(args)
local fs = {
widget = wibox.widget.textbox(),
units = {
[1] = "Kb", [2] = "Mb", [3] = "Gb",
[4] = "Tb", [5] = "Pb", [6] = "Eb",
[7] = "Zb", [8] = "Yb"
}
}
function fs.hide()
if not fs.notification then return end
naughty.destroy(fs.notification)
fs.notification = nil
end
function fs.show(seconds, scr)
fs.hide(); fs.update()
fs.notification_preset.screen = fs.followtag and focused() or scr or 1
fs.notification = naughty.notify {
preset = fs.notification_preset,
timeout = seconds or 5
}
end
local args = args or {}
local timeout = args.timeout or 600
local partition = args.partition
local threshold = args.threshold or 99
local showpopup = args.showpopup or "on"
local settings = args.settings or function() end
fs.followtag = args.followtag or false
fs.notification_preset = args.notification_preset
if not fs.notification_preset then
fs.notification_preset = {
font = "Monospace 10",
fg = "#FFFFFF",
bg = "#000000"
}
end
function fs.update()
local notifytable = { [1] = string.format("%-10s %-5s %s\t%s\t\n", "path", "used", "free", "size") }
local pathlen = 10
fs_now = {}
for _, mount in ipairs(Gio.unix_mounts_get()) do
local path = Gio.unix_mount_get_mount_path(mount)
local root = Gio.File.new_for_path(path)
local info = root:query_filesystem_info(query)
if info then
local size = info:get_attribute_uint64(query_size)
local used = info:get_attribute_uint64(query_used)
local free = info:get_attribute_uint64(query_free)
if size > 0 then
local units = math.floor(math.log(size)/math.log(1024))
fs_now[path] = {
units = fs.units[units],
percentage = math.floor(100 * used / size), -- used percentage
size = size / math.pow(1024, math.floor(units)),
used = used / math.pow(1024, math.floor(units)),
free = free / math.pow(1024, math.floor(units))
}
if fs_now[path].percentage > 0 then -- don't notify unused file systems
notifytable[#notifytable+1] = string.format("\n%-10s %-5s %.2f\t%.2f\t%s", path,
fs_now[path].percentage .. "%", fs_now[path].free, fs_now[path].size,
fs_now[path].units)
pathlen = math.max(pathlen, #path)
end
end
end
end
widget = fs.widget
settings()
if partition and fs_now[partition] and fs_now[partition].percentage >= threshold then
if not helpers.get_map(partition) then
naughty.notify {
preset = naughty.config.presets.critical,
title = "Warning",
text = string.format("%s is above %d%% (%d%%)", partition, threshold, fs_now[partition].percentage)
}
helpers.set_map(partition, true)
else
helpers.set_map(partition, false)
end
end
if pathlen > 10 then -- formatting aesthetics
for i = 1, #notifytable do
local pathspaces = notifytable[i]:match("/%w*[/%w*]*%s*") or notifytable[i]:match("path%s*")
notifytable[i] = notifytable[i]:gsub(pathspaces, pathspaces .. string.rep(" ", pathlen - 10) .. "\t")
end
end
fs.notification_preset.text = tconcat(notifytable)
end
if showpopup == "on" then
fs.widget:connect_signal('mouse::enter', function () fs.show(0) end)
fs.widget:connect_signal('mouse::leave', function () fs.hide() end)
end
helpers.newtimer(partition or "fs", timeout, fs.update)
return fs
end
return factory