X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/1b12fd2319e1cd02706fd3a7ec0f0203ca2782d2..3acf8f90990ec2496fdcb5e1099ee20ad45068e4:/widget/bat.lua?ds=sidebyside diff --git a/widget/bat.lua b/widget/bat.lua index 8e04569..b654948 100644 --- a/widget/bat.lua +++ b/widget/bat.lua @@ -1,20 +1,17 @@ --[[ Licensed under GNU General Public License v2 - * (c) 2013, Luke Bonham + * (c) 2013, Luca CPZ * (c) 2010-2012, Peter Hofmann --]] -local first_line = require("lain.helpers").first_line -local newtimer = require("lain.helpers").newtimer +local helpers = require("lain.helpers") +local fs = require("gears.filesystem") local naughty = require("naughty") local wibox = require("wibox") -local math = { abs = math.abs, - floor = math.floor, - log10 = math.log10, - min = math.min } -local string = { format = string.format } +local math = math +local string = string local ipairs = ipairs local tonumber = tonumber @@ -22,15 +19,35 @@ local tonumber = tonumber -- lain.widget.bat local function factory(args) + local pspath = args.pspath or "/sys/class/power_supply/" + + if not fs.is_dir(pspath) then + naughty.notify { text = "lain.widget.bat: invalid power supply path", timeout = 0 } + return + end + local bat = { widget = wibox.widget.textbox() } local args = args or {} local timeout = args.timeout or 30 - local batteries = args.batteries or (args.battery and {args.battery}) or {"BAT0"} - local ac = args.ac or "AC0" local notify = args.notify or "on" local n_perc = args.n_perc or { 5, 15 } + local batteries = args.batteries or (args.battery and {args.battery}) or {} + local ac = args.ac or "AC0" local settings = args.settings or function() end + function bat.get_batteries() + helpers.line_callback("ls -1 " .. pspath, function(line) + local bstr = string.match(line, "BAT%w+") + if bstr then + batteries[#batteries + 1] = bstr + else + ac = string.match(line, "A%w+") or "AC0" + end + end) + end + + if #batteries == 0 then bat.get_batteries() end + bat_notification_critical_preset = { title = "Battery exhausted", text = "Shutdown imminent", @@ -47,6 +64,14 @@ local function factory(args) bg = "#CDCDCD" } + bat_notification_charged_preset = { + title = "Battery full", + text = "You can unplug the cable", + timeout = 15, + fg = "#202020", + bg = "#CDCDCD" + } + bat_now = { status = "N/A", ac_status = "N/A", @@ -62,6 +87,9 @@ local function factory(args) bat_now.n_perc[i] = 0 end + -- used to notify full charge only once before discharging + local fullnotification = false + function bat.update() local sum_rate_current = 0 local sum_rate_voltage = 0 @@ -69,30 +97,29 @@ local function factory(args) local sum_rate_energy = 0 local sum_energy_now = 0 local sum_energy_full = 0 - local pspath = "/sys/class/power_supply/" for i, battery in ipairs(batteries) do local bstr = pspath .. battery - local present = first_line(bstr .. "/present") + local present = helpers.first_line(bstr .. "/present") if tonumber(present) == 1 then -- current_now(I)[uA], voltage_now(U)[uV], power_now(P)[uW] - local rate_current = tonumber(first_line(bstr .. "/current_now")) - local rate_voltage = tonumber(first_line(bstr .. "/voltage_now")) - local rate_power = tonumber(first_line(bstr .. "/power_now")) + local rate_current = tonumber(helpers.first_line(bstr .. "/current_now")) + local rate_voltage = tonumber(helpers.first_line(bstr .. "/voltage_now")) + local rate_power = tonumber(helpers.first_line(bstr .. "/power_now")) -- energy_now(P)[uWh], charge_now(I)[uAh] - local energy_now = tonumber(first_line(bstr .. "/energy_now") or - first_line(bstr .. "/charge_now")) + local energy_now = tonumber(helpers.first_line(bstr .. "/energy_now") or + helpers.first_line(bstr .. "/charge_now")) -- energy_full(P)[uWh], charge_full(I)[uAh] - local energy_full = tonumber(first_line(bstr .. "/energy_full") or - first_line(bstr .. "/charge_full")) + local energy_full = tonumber(helpers.first_line(bstr .. "/energy_full") or + helpers.first_line(bstr .. "/charge_full")) - local energy_percentage = tonumber(first_line(bstr .. "/capacity")) or + local energy_percentage = tonumber(helpers.first_line(bstr .. "/capacity")) or math.floor((energy_now / energy_full) * 100) - bat_now.n_status[i] = first_line(bstr .. "/status") or "N/A" + bat_now.n_status[i] = helpers.first_line(bstr .. "/status") or "N/A" bat_now.n_perc[i] = energy_percentage or bat_now.n_perc[i] sum_rate_current = sum_rate_current + (rate_current or 0) @@ -114,7 +141,7 @@ local function factory(args) bat_now.status = status end end - bat_now.ac_status = tonumber(first_line(string.format("%s%s/online", pspath, ac))) or "N/A" + bat_now.ac_status = tonumber(helpers.first_line(string.format("%s%s/online", pspath, ac))) or "N/A" if bat_now.status ~= "N/A" then if bat_now.status ~= "Full" and sum_rate_power == 0 and bat_now.ac_status == 1 then @@ -156,23 +183,32 @@ local function factory(args) widget = bat.widget settings() - -- notifications for critical and low levels - if notify == "on" and bat_now.status == "Discharging" then - if tonumber(bat_now.perc) <= n_perc[1] then - bat.id = naughty.notify({ - preset = bat_notification_critical_preset, - replaces_id = bat.id - }).id - elseif tonumber(bat_now.perc) <= n_perc[2] then + -- notifications for critical, low, and full levels + if notify == "on" then + if bat_now.status == "Discharging" then + if tonumber(bat_now.perc) <= n_perc[1] then + bat.id = naughty.notify({ + preset = bat_notification_critical_preset, + replaces_id = bat.id + }).id + elseif tonumber(bat_now.perc) <= n_perc[2] then + bat.id = naughty.notify({ + preset = bat_notification_low_preset, + replaces_id = bat.id + }).id + end + fullnotification = false + elseif bat_now.status == "Full" and not fullnotification then bat.id = naughty.notify({ - preset = bat_notification_low_preset, + preset = bat_notification_charged_preset, replaces_id = bat.id }).id + fullnotification = true end end end - newtimer("batteries", timeout, bat.update) + helpers.newtimer("batteries", timeout, bat.update) return bat end