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--[[
Licensed under GNU General Public License v2
* (c) 2013, Luke Bonham
* (c) 2010, Adrian C. <anrxc@sysphere.org>
* (c) 2009, Lucas de Vries <lucas@glacicle.com>
--]]
local helpers = require("lain.helpers")
local beautiful = require("beautiful")
local wibox = require("wibox")
local naughty = require("naughty")
local io = io
local pairs = pairs
local string = { match = string.match,
format = string.format }
local tonumber = tonumber
local setmetatable = setmetatable
-- File system disk space usage
-- lain.widgets.fs
local fs = {}
local notification = nil
fs_notification_preset = { fg = beautiful.fg_normal }
function fs:hide()
if notification ~= nil then
naughty.destroy(notification)
notification = nil
end
end
function fs:show(t_out)
fs:hide()
local f = io.popen(helpers.scripts_dir .. "dfs")
ws = f:read("*all"):gsub("\n*$", "")
f:close()
notification = naughty.notify({
preset = fs_notification_preset,
text = ws,
timeout = t_out
})
end
-- Units definitions
local unit = { ["mb"] = 1024, ["gb"] = 1024^2 }
local function worker(args)
local args = args or {}
local timeout = args.timeout or 600
local partition = args.partition or "/"
local settings = args.settings or function() end
fs.widget = wibox.widget.textbox('')
helpers.set_map("fs", false)
function update()
fs_info = {}
fs_now = {}
local f = io.popen("LC_ALL=C df -kP")
for line in f:lines() do -- Match: (size) (used)(avail)(use%) (mount)
local s = string.match(line, "^.-[%s]([%d]+)")
local u,a,p = string.match(line, "([%d]+)[%D]+([%d]+)[%D]+([%d]+)%%")
local m = string.match(line, "%%[%s]([%p%w]+)")
if u and m then -- Handle 1st line and broken regexp
fs_info[m .. " size_mb"] = string.format("%.1f", tonumber(s) / unit["mb"])
fs_info[m .. " size_gb"] = string.format("%.1f", tonumber(s) / unit["gb"])
fs_info[m .. " used_p"] = tonumber(p)
fs_info[m .. " avail_p"] = 100 - tonumber(p)
end
end
f:close()
-- chosen partition easy stuff
-- you can however check whatever partition else
fs_now.used = tonumber(fs_info[partition .. " used_p"]) or 0
fs_now.available = tonumber(fs_info[partition .. " avail_p"]) or 0
fs_now.size_mb = tonumber(fs_info[partition .. " size_mb"]) or 0
fs_now.size_gb = tonumber(fs_info[partition .. " size_gb"]) or 0
widget = fs.widget
settings()
if fs_now.used >= 99 and not helpers.get_map("fs")
then
naughty.notify({
title = "warning",
text = partition .. " ran out!\nmake some room",
timeout = 8,
fg = "#000000",
bg = "#FFFFFF"
})
helpers.set_map("fs", true)
else
helpers.set_map("fs", false)
end
end
helpers.newtimer(partition, timeout, update)
widget:connect_signal('mouse::enter', function () fs:show(0) end)
widget:connect_signal('mouse::leave', function () fs:hide() end)
return setmetatable(fs, { __index = fs.widget })
end
return setmetatable(fs, { __call = function(_, ...) return worker(...) end })
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