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|
--------------------------------
-- Author: Gregor Best --
-- Copyright 2009 Gregor Best --
--------------------------------
local tonumber = tonumber
local tostring = tostring
local setmetatable = setmetatable
local io = {
popen = io.popen
}
local os = {
execute = os.execute
}
local capi = {
widget = widget,
mouse = mouse
}
local naughty = require("naughty")
local awful = require("awful")
local lib = {
hooks = require("obvious.lib.hooks"),
markup = require("obvious.lib.markup")
}
module("obvious.battery")
widget = capi.widget({
type = "textbox",
name = "tb_battery",
align = "right"
})
status = {
["charged"] = "↯",
["full"] = "↯",
["discharging"] = "▼",
["charging"] = "▲",
["unknown"] = "⌁"
}
local backend = "acpi"
get_data = nil
local function init()
local rv = os.execute("acpitool")
if rv == 0 then
backend = "acpitool"
return
end
rv = os.execute("acpi")
if rv == 0 then
backend = "acpi"
return
end
rv = os.execute("apm")
if rv == 0 then
backend = "apm"
return
end
backend = "none"
end
function get_data()
if backend == "acpi" or backend == "acpitool" then
local rv = { }
local fd = io.popen(backend .. " -b")
if not fd then return end
local line = fd:read("*l")
while line do
local data = line:match("Battery #?[0-9] *: ([^\n]*)")
rv.state = data:match("([%a]*),.*"):lower()
rv.charge = tonumber(data:match(".*, ([%d]?[%d]?[%d]%.?[%d]?[%d]?)%%"))
rv.time = data:match(".*, ([%d]?[%d]?:?[%d][%d]:[%d][%d])")
if not rv.state:match("unknown") then break end
line = fd:read("*l")
end
fd:close()
return rv
elseif backend == "apm" then
local rv = { }
local fd = io.popen("apm")
if not fd then return end
local data = fd:read("*all")
if not data then return end
rv.state = data:match("battery ([a-z]+):")
rv.charge = tonumber(data:match(".*, .*: (%d?%d?%d)%%"))
rv.time = data:match("%((.*)%)$")
return rv
end
local rv = { }
rv.state = "unknown"
rv.charge = 0
rv.time = "00:00"
return rv
end
local function update()
local battery_status = ""
local bat = get_data()
if not bat then
widget.text = "no data"
return
end
local color = "#900000"
if not bat.charge then
widget.text = lib.markup.fg.color("#009000", status.charged) .. " A/C"
return
elseif bat.charge > 35 and bat.charge < 60 then
color = "#909000"
elseif bat.charge >= 40 then
color = "#009000"
end
local state = bat.state
if not status[state] then
state = "unknown"
end
state = status[state]
battery_status = lib.markup.fg.color(color, state) .. " " .. awful.util.escape(tostring(bat.charge)) .. "%"
if bat.time then
battery_status = battery_status .. " " .. awful.util.escape(bat.time)
end
widget.text = battery_status
end
local function detail ()
local fd = nil
if backend == "acpi" then
fd = io.popen("acpi -bta")
elseif backend == "acpitool" then
fd = io.popen("acpitool")
elseif backend == "apm" then
fd = io.popen("apm")
else
naughty.notify({ text = "unknown backend: " .. backend })
end
local d = fd:read("*all"):gsub("\n+$", "")
fd:close()
naughty.notify({
text = d,
screen = capi.mouse.screen
})
update()
end
widget:buttons(awful.util.table.join(
awful.button({ }, 1, detail)
))
init()
update()
lib.hooks.timer.register(60, 300, update)
lib.hooks.timer.start(update)
setmetatable(_M, { __call = function () return widget end })
|
