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