summaryrefslogtreecommitdiff
path: root/batteryarc-widget/batteryarc.lua
blob: 1843cf1a32b9fb66e92de086b9f8bf946254f4ad (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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
-------------------------------------------------
-- 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 widget = {}

local function worker(args)

    local args = args or {}

    local font = args.font or 'Play 6'
    local arc_thickness = args.arc_thickness or 2
    local show_current_level = args.show_current_level or false

    local main_color = args.main_color or beautiful.fg_color
    local bg_color = args.bg_color or '#ffffff11'
    local low_level_color = args.low_level_color or '#e53935'
    local medium_level_color = args.medium_level_color or '#c0ca33'
    local charging_color = args.charging_color or '#43a047'

    local warning_msg_title = args.warning_msg_title or 'Huston, we have a problem'
    local warning_msg_text = args.warning_msg_text or 'Battery is dying'
    local warning_msg_position = args.warning_msg_position or 'bottom_right'
    local warning_msg_icon = args.warning_msg_icon or HOME .. '/.config/awesome/awesome-wm-widgets/batteryarc-widget/spaceman.jpg'
    local disable_battery_warning = args.disable_battery_warning or false

    local text = wibox.widget {
        id = "txt",
        font = font,
        align = 'center', -- align the text
        valign = 'center',
        widget = wibox.widget.textbox
    }

    local text_with_background = wibox.container.background(text)

    widget = wibox.widget {
        text_with_background,
        max_value = 1,
        rounded_edge = true,
        thickness = arc_thickness,
        start_angle = 4.71238898, -- 2pi*3/4
        forced_height = 18,
        forced_width = 18,
        bg = bg_color,
        paddings = 2,
        widget = wibox.container.arcchart
    }

    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 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
                        -- use most charged battery status. This is arbitrary, and maybe another metric should be used
                        status = batt.status
                    end

                    charge = charge + batt.charge * capacities[i]
                end

                local charge_percentage
                if capacity > 5 then
                    charge = charge / capacity
                    charge_percentage = charge / 100
                else
                    -- when widget.value is < 0.04, the widget shows a full circle (as widget.value=1)
                    charge_percentage = 0.05
                end

                widget.value = charge / 100

                if status == 'Charging' then
                    text_with_background.bg = charging_color
                    text_with_background.fg = '#000000'
                else
                    text_with_background.bg = '#00000000'
                    text_with_background.fg = main_color
                end

                if show_current_level == true then
                    --- if battery is fully charged (100) there is not enough place for three digits, so we don't show any text
                    text.text = charge == 100
                            and ''
                            or string.format('%d', charge)
                else
                    text.text = ''
                end

                if charge < 15 then
                    widget.colors = { low_level_color }
                    if (not disable_battery_warning) and 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
                    widget.colors = { medium_level_color }
                else
                    widget.colors = { main_color }
                end
            end,
            widget)

    -- 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, _, _, _)
                    naughty.destroy(notification)
                    notification = naughty.notify {
                        text = stdout,
                        title = "Battery status",
                        timeout = 5,
                        hover_timeout = 0.5,
                        width = 200,
                    }
                end)
    end

    widget:connect_signal("mouse::enter", function()
        show_battery_status()
    end)
    widget: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 = warning_msg_icon,
            icon_size = 100,
            text = warning_msg_text,
            title = warning_msg_title,
            timeout = 25, -- show the warning for a longer time
            hover_timeout = 0.5,
            position = warning_msg_position,
            bg = "#F06060",
            fg = "#EEE9EF",
            width = 300,
        }
    end

    return widget

end

return setmetatable(widget, { __call = function(_, ...)
    return worker(...)
end })