Fuxx

home/.config/awesome/signals/battery.lua

@@ -0,0 +1,40 @@
+-- ## Battery ##
+-- ~~~~~~~~~~~~~
+
+-- requirements
+-- ~~~~~~~~~~~~
+local awful = require("awful")
+local gears = require("gears")
+local beautiful = require ("beautiful")
+
+local have_battery = [[
+	bash -c '
+		cat /sys/class/power_supply/BAT?/capacity 2>/dev/null | head -1
+	'
+]]
+
+local bat_value
+local bat_desc
+
+local function get_bat()
+	awful.spawn.easy_async(have_battery, function(stdout)
+		if not stdout:match("%d+") then
+			bat_value = 0
+			bat_desc = "No Battery"
+			awesome.emit_signal("signal::bat", bat_value, bat_desc)
+		else
+			bat_value = tonumber(stdout)
+			bat_desc = bat_value.." %"
+			awesome.emit_signal("signal::bat", bat_value, bat_desc)
+		end
+	end)
+end
+
+gears.timer {
+	timeout = 5,
+	call_now = true,
+	autostart = true,
+	callback = function()
+		get_bat()
+	end
+}