81 lines
1.9 KiB
Lua
81 lines
1.9 KiB
Lua
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-- This function returns a formatted string with the current battery status. It
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-- can be used to populate a text widget in the awesome window manager. Based
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-- on the "Gigamo Battery Widget" found in the wiki at awesome.naquadah.org
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local wibox = require("wibox")
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local naughty = require("naughty")
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local beautiful = require("beautiful")
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local previous_percent = 0
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function batteryInfo(adapter)
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local fcur = io.open("/sys/class/power_supply/"..adapter.."/energy_now")
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local fcap = io.open("/sys/class/power_supply/"..adapter.."/energy_full")
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local cur = fcur:read()
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local cap = fcap:read()
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fcur:close()
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fcap:close()
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local battery = math.floor(cur * 100 / cap)
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if battery > 100 then
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battery = 100
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end
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return battery
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end
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function isCharging(adapter)
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local fsta = io.open("/sys/class/power_supply/"..adapter.."/status")
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local sta = fsta:read()
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fsta:close()
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return not sta:match("Discharging")
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end
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function update_battery()
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local percent = batteryInfo('BAT0')
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local color
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local symbol
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if percent < 15 then
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color="red"
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elseif percent < 30 then
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color="orange"
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elseif percent > 90 then
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color="green"
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else
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color="white"
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end
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if isCharging('BAT0') then
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color = 'green'
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symbol = '⚡'
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else
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symbol = '%'
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end
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if previous_percent >= 15 and percent < 15 then
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naughty.notify({
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title = "Low battery...",
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text = "Battery level is lower than 15% !",
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fg="#000000",
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bg="#ff0000",
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timeout=5
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})
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end
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battery_widget:set_markup('<span color="' .. color .. '">' .. percent .. ' ' .. symbol .. '</span>')
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previous_percent = percent
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end
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battery_widget = wibox.widget.textbox()
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battery_widget.timer = timer({timeout=5})
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battery_widget.timer:connect_signal("timeout", update_battery)
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battery_widget.timer:start()
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update_battery()
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