118 lines
3.0 KiB
Lua
118 lines
3.0 KiB
Lua
local awful = require("awful")
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local wibox = require("wibox")
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local gears = require("gears")
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local beautiful = require("beautiful")
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local menubar = require("menubar")
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local cairo = require("lgi").cairo
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local Rsvg = require("lgi").Rsvg
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local longpress = require("awesome-longpress")
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local posix = require "posix"
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local batterystat = {
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batteries = {},
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iconSize = 96,
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iconPath = os.getenv("HOME") .. "/.config/awesome/awesome-batterystat/"
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--iconPath = gears.filesystem.get_configuration_dir() .. "/awesome-batterystat/"
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}
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local iconNames = {
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["battery-full"] = 95,
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["battery-good"] = 70,
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["battery-low"] = 40,
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["battery-caution"] = 20,
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["battery-empty"] = 0}
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local function chooseIcon(status,percent)
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local bestIcon,bestPercent = "", -1
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for k,v in pairs(iconNames) do
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if v > bestPercent and percent >= v then
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bestIcon, bestPercent = k, v
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end
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end
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if status == "Charging" then
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return bestIcon.."-charging"
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end
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return bestIcon
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end
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-- preload icon widgets to avoid loading them on every update
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local icons = {}
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for k,v in pairs(iconNames) do
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icons[k] = wibox.widget{
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widget = wibox.widget.imagebox,
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forced_height = batterystat.iconSize,
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forced_width = batterystat.iconSize,
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image = string.format("%s/%s.svg",batterystat.iconPath,k)
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}
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icons[k.."-charging"] = wibox.widget{
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widget = wibox.widget.imagebox,
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forced_height = batterystat.iconSize,
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forced_width = batterystat.iconSize,
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image = string.format("%s/%s-charging.svg",batterystat.iconPath,k)
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}
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end
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local function getBatteryState(path)
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local state, percent
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local f = io.open(string.format("%s/status",path),"r")
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if f then
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state = f:read("*a"):match("%S+")
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f:close()
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end
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local f = io.open(string.format("%s/capacity",path),"r")
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if f then
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percent = tonumber(f:read("*a"):match("%S+"))
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f:close()
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end
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return state, percent
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end
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function batterystat.scan()
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for _,d in pairs(posix.dir("/sys/class/power_supply")) do
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local f = io.open(string.format("/sys/class/power_supply/%s/type",d))
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if f then
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local ptype = f:read("*a"):match("%S+")
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if ptype == "Battery" then
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batterystat.batteries[#batterystat.batteries+1] = string.format("/sys/class/power_supply/%s/",d)
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end
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f:close()
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end
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end
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end
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local function bwidgetUpdate(self)
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self:reset()
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for k,v in pairs(batterystat.batteries) do
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local name = v:match("/([^/]+)/$")
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local state, percent = getBatteryState(v)
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local colour = (state == "Charging") and "lime" or "red"
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local sbwidget = (wibox.widget{
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layout = wibox.layout.stack,
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forced_width = batterystat.iconSize,
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icons[chooseIcon(state,percent)],
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wibox.widget{
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widget = wibox.widget.textbox,
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align = "center",
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valign = "top",
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text = name
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},
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wibox.widget{
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widget = wibox.widget.textbox,
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align = "right",
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valign = "bottom",
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markup = string.format('<span foreground="%s" size="x-large">%d%%</span>',colour,percent)
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}
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})
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self:add(sbwidget)
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end
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end
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function batterystat.new()
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local bwidget = wibox.widget{
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layout = wibox.layout.grid.horizontal,
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update = bwidgetUpdate
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}
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batterystat.scan()
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return bwidget
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end
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return batterystat
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