lain/widget/fs.lua

131 lines
4.7 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2013, Luke Bonham
--]]
local helpers = require("lain.helpers")
local shell = require("awful.util").shell
local focused = require("awful.screen").focused
local wibox = require("wibox")
local naughty = require("naughty")
local string = string
local tonumber = tonumber
local setmetatable = setmetatable
-- File system disk space usage
-- lain.widget.fs
local fs = { unit = { ["mb"] = 1024, ["gb"] = 1024^2 } }
function fs.hide()
if not fs.notification then return end
naughty.destroy(fs.notification)
fs.notification = nil
end
function fs.show(seconds, scr)
fs.update()
fs.hide()
if fs.followtag then
fs.notification_preset.screen = focused()
elseif scr then
fs.notification_preset.screen = scr or 1
end
fs.notification = naughty.notify({
preset = fs.notification_preset,
timeout = seconds or 5
})
end
local function worker(args)
local args = args or {}
local timeout = args.timeout or 600
local partition = args.partition or "/"
local showpopup = args.showpopup or "on"
local notify = args.notify or "on"
local settings = args.settings or function() end
fs.options = args.options
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
fs.widget = wibox.widget.textbox()
helpers.set_map(partition, false)
function fs.update()
fs_info, fs_now = {}, {}
helpers.async({ shell, "-c", "/usr/bin/env LC_ALL=C df -k --output=target,size,used,avail,pcent" }, function(f)
for line in string.gmatch(f, "\n[^\n]+") do
local m,s,u,a,p = string.match(line, "(/.-%s).-(%d+).-(%d+).-(%d+).-([%d]+)%%")
m = m:gsub(" ", "") -- clean target from any whitespace
fs_info[m .. " size_mb"] = string.format("%.1f", tonumber(s) / fs.unit["mb"])
fs_info[m .. " size_gb"] = string.format("%.1f", tonumber(s) / fs.unit["gb"])
fs_info[m .. " used_mb"] = string.format("%.1f", tonumber(u) / fs.unit["mb"])
fs_info[m .. " used_gb"] = string.format("%.1f", tonumber(u) / fs.unit["gb"])
fs_info[m .. " used_p"] = p
fs_info[m .. " avail_mb"] = string.format("%.1f", tonumber(a) / fs.unit["mb"])
fs_info[m .. " avail_gb"] = string.format("%.1f", tonumber(a) / fs.unit["gb"])
fs_info[m .. " avail_p"] = string.format("%d", 100 - tonumber(p))
end
fs_now.size_mb = fs_info[partition .. " size_mb"] or "N/A"
fs_now.size_gb = fs_info[partition .. " size_gb"] or "N/A"
fs_now.used = fs_info[partition .. " used_p"] or "N/A"
fs_now.used_mb = fs_info[partition .. " used_mb"] or "N/A"
fs_now.used_gb = fs_info[partition .. " used_gb"] or "N/A"
fs_now.available = fs_info[partition .. " avail_p"] or "N/A"
fs_now.available_mb = fs_info[partition .. " avail_mb"] or "N/A"
fs_now.available_gb = fs_info[partition .. " avail_gb"] or "N/A"
notification_preset = fs.notification_preset
widget = fs.widget
settings()
if notify == "on" and #fs_now.used > 0 and tonumber(fs_now.used) >= 99 and not helpers.get_map(partition) then
naughty.notify({
preset = naughty.config.presets.critical,
title = "Warning",
text = partition .. " is empty",
})
helpers.set_map(partition, true)
else
helpers.set_map(partition, false)
end
end)
local notifycmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
helpers.async(helpers.scripts_dir .. notifycmd, function(ws)
fs.notification_preset.text = ws:gsub("\n*$", "")
end)
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, timeout, fs.update)
return fs
end
return setmetatable(fs, { __call = function(_, ...) return worker(...) end })