summaryrefslogtreecommitdiff
path: root/batteryarc-widget/batteryarc.lua
blob: cc6fbc48f4394bbada8f2b0fc02fa8d2406508cc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
-------------------------------------------------
-- Battery Arc Widget for Awesome Window Manager
-- Shows the battery level of the laptop
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/batteryarc-widget

-- @author Pavel Makhov
-- @copyright 2019 Pavel Makhov
-------------------------------------------------

local awful = require("awful")
local beautiful = require("beautiful")
local naughty = require("naughty")
local wibox = require("wibox")
local watch = require("awful.widget.watch")

local HOME = os.getenv("HOME")

local text = wibox.widget {
    id = "txt",
    font = "Play 6",
    widget = wibox.widget.textbox
}

local text_with_background = wibox.container.background(text)

local batteryarc = wibox.widget {
    text_with_background,
    max_value = 1,
    rounded_edge = true,
    thickness = 2,
    start_angle = 4.71238898, -- 2pi*3/4
    forced_height = 18,
    forced_width = 18,
    bg = "#ffffff11",
    paddings = 2,
    widget = wibox.container.arcchart,
    set_value = function(self, value)
        self.value = value
    end,
}

local last_battery_check = os.time()

watch("acpi -i", 10,
    function(widget, stdout)
        local batteryType

        local battery_info = {}
        local capacities = {}
        for s in stdout:gmatch("[^\r\n]+") do
            local status, charge_str, time = string.match(s, '.+: (%a+), (%d?%d?%d)%%,?.*')
            if string.match(s, 'rate information') then
                -- ignore such line
            elseif status ~= nil then
                table.insert(battery_info, {status = status, charge = tonumber(charge_str)})
            else
                local cap_str = string.match(s, '.+:.+last full capacity (%d+)')
                table.insert(capacities, tonumber(cap_str))
            end
        end

        local capacity = 0
        for i, cap in ipairs(capacities) do
            capacity = capacity + cap
        end

        local charge = 0
        local status
        for i, batt in ipairs(battery_info) do
            if batt.charge >= charge then
                status = batt.status -- use most charged battery status
                -- this is arbitrary, and maybe another metric should be used
            end

            charge = charge + batt.charge * capacities[i]
        end
        if capacity > 0 then
            charge = charge / capacity
        end

        widget.value = charge / 100
        if status == 'Charging' then
            text_with_background.bg = beautiful.widget_green
            text_with_background.fg = beautiful.widget_black
        else
            text_with_background.bg = beautiful.widget_transparent
            text_with_background.fg = beautiful.widget_main_color
        end

        text.text = string.format('%d', charge)

        if charge < 15 then
            batteryarc.colors = { beautiful.widget_red }
            if status ~= 'Charging' and os.difftime(os.time(), last_battery_check) > 300 then
                -- if 5 minutes have elapsed since the last warning
                last_battery_check = os.time()

                show_battery_warning()
            end
        elseif charge > 15 and charge < 40 then
            batteryarc.colors = { beautiful.widget_yellow }
        else
            batteryarc.colors = { beautiful.widget_main_color }
        end
    end,
    batteryarc)

-- Popup with battery info
-- One way of creating a pop-up notification - naughty.notify
local notification
function show_battery_status()
    awful.spawn.easy_async([[bash -c 'acpi']],
        function(stdout, _, _, _)
            notification = naughty.notify {
                text = stdout,
                title = "Battery status",
                timeout = 5,
                hover_timeout = 0.5,
                width = 200,
            }
        end)
end

batteryarc:connect_signal("mouse::enter", function() show_battery_status() end)
batteryarc:connect_signal("mouse::leave", function() naughty.destroy(notification) end)

-- Alternative to naughty.notify - tooltip. You can compare both and choose the preferred one

--battery_popup = awful.tooltip({objects = {battery_widget}})

-- To use colors from beautiful theme put
-- following lines in rc.lua before require("battery"):
-- beautiful.tooltip_fg = beautiful.fg_normal
-- beautiful.tooltip_bg = beautiful.bg_normal

--[[ Show warning notification ]]
function show_battery_warning()
    naughty.notify {
        icon = HOME .. "/.config/awesome/nichosi.png",
        icon_size = 100,
        text = "Huston, we have a problem",
        title = "Battery is dying",
        timeout = 5,
        hover_timeout = 0.5,
        position = "bottom_right",
        bg = "#F06060",
        fg = "#EEE9EF",
        width = 300,
    }
end

return batteryarc