lain/widgets/fs.lua

135 lines
4.5 KiB
Lua

--[[
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 focused = require("awful.screen").focused
local wibox = require("wibox")
local naughty = require("naughty")
local io = { popen = io.popen }
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 fs_notification = nil
function fs.hide()
if fs_notification ~= nil then
naughty.destroy(fs_notification)
fs_notification = nil
end
end
function fs.show(seconds, scr)
fs.hide()
local cmd = (fs.options and string.format("dfs %s", fs.options)) or "dfs"
local ws = helpers.read_pipe(helpers.scripts_dir .. cmd):gsub("\n*$", "")
if fs.followtag then
fs.notification_preset.screen = focused()
elseif scr then
fs.notification_preset.screen = scr
end
fs_notification = naughty.notify({
preset = fs.notification_preset,
text = ws,
timeout = seconds or 5
})
end
-- Unit 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 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 or { fg = beautiful.fg_normal }
fs.widget = wibox.widget.textbox('')
helpers.set_map(partition, false)
function update()
fs_info = {}
fs_now = {}
local f = assert(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_mb"] = string.format("%.1f", tonumber(u) / unit["mb"])
fs_info[m .. " used_gb"] = string.format("%.1f", tonumber(u) / unit["gb"])
fs_info[m .. " used_p"] = tonumber(p)
fs_info[m .. " avail_p"] = 100 - tonumber(p)
end
end
f:close()
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
fs_now.used = tonumber(fs_info[partition .. " used_p"]) or 0
fs_now.used_mb = tonumber(fs_info[partition .. " used_mb"]) or 0
fs_now.used_gb = tonumber(fs_info[partition .. " used_gb"]) or 0
notification_preset = fs.notification_preset
widget = fs.widget
settings()
if notify == "on" and fs_now.used >= 99 and not helpers.get_map(partition)
then
naughty.notify({
title = "warning",
text = partition .. " ran out!\nmake some room",
timeout = 8,
fg = "#000000",
bg = "#FFFFFF",
})
helpers.set_map(partition, true)
else
helpers.set_map(partition, false)
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, update)
return setmetatable(fs, { __index = fs.widget })
end
return setmetatable(fs, { __call = function(_, ...) return worker(...) end })