summaryrefslogtreecommitdiff
path: root/batteryarc-widget/batteryarc.lua
blob: f01ee659837ebac333544aff130d0320163f4d03 (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
-------------------------------------------------
-- 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",
    align  = 'center',  -- align the text
    valign = 'center', 
    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 = {}
        
        -- Change the logic of processing battery information from 'acpi -i'
        for s in stdout:gmatch("[^\r\n]+") do
            local status, charge_str = string.match(s, '.+: (%a+), (%d?%d?%d)%%,?.*')
            if charge_str ~= nil then
                table.insert(battery_info, {status = status, charge = tonumber(charge_str)})
            else
                local cap_str = string.match(s, '.+:.+last full capacity (%d+)')
                if cap_str ~= nil then
                    table.insert(capacities, tonumber(cap_str))
                end
            end
            
        end
        
        -- total battery capacity
        local total_capacity = 0
        for i, cap in ipairs(capacities) do
            total_capacity = total_capacity + cap
        end

        -- capacity charged into all batteries
        local charge_cap = 0
        -- battery charge percentage 0~100
        local charge_perc = 0
        
        for i, batt in ipairs(battery_info) do
            -- BUG: batt.charge ranges from 0 to 100, should be divided by 100
            charge_cap = charge_cap + batt.charge/100 * capacities[i]
        end
        
        
        local status
        
        -- new logic to determine status
        status = 'Full'
        for i, batt in ipairs(battery_info) do
            if batt.status == 'Charging' then
                status = 'Charging'
                break
            end
            if batt.status == 'Discharging' then
                status = 'Discharging'
                break
            end            
        end
        

        if total_capacity > 0 then
            charge_perc = charge_cap / total_capacity * 100
        end

        -- when widget.value is < 0.04, the widget shows a full circle (as widget.value=1)
        -- so the charge_perc value is checked first
        if charge_perc >= 5 then
            widget.value = charge_perc / 100
        else
            widget.value = 0.05
        end
         
        
        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_perc)

        -- add variables to make it easy to change settings
        local bat_high   = 75
        local bat_low    = 30 

--        if charge_perc <= bat_low then
        if charge_perc <= bat_low 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_perc > bat_low and charge_perc < bat_high 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, _, _, _)
            naughty.destroy(notification)
            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/awesome-wm-widgets/batteryarc-widget/spaceman.jpg",
        icon_size = 100,
        text = "Battery is dying", -- switch text and title 
        title = "Huston, we have a problem",
        timeout = 25,   -- show the warning for a longer time
        hover_timeout = 0.5,
        position = "bottom_right",
        bg = "#F06060",
        fg = "#EEE9EF",
        width = 300,
    }
end

return batteryarc