awesome/widgets/battery_widget.lua

   1 local wibox = require("wibox")
   2 local vicious = require("vicious")
   3 local naughty = require("naughty")
   4 local beautiful = require("beautiful")
   5 local pairs = pairs
   6
   7 -- Battery (based on https://bitbucket.org/skrattaren/awesome/src/)
   8
   9 local limits = { {25, 5},
  10                  {12, 3},
  11                  { 7, 1},
  12                  {0}}
  13
  14 local function getnextlim (num)
  15     for ind, pair in pairs(limits) do
  16         lim = pair[1]; step = pair[2]; nextlim = limits[ind+1][1] or 0
  17         if num > nextlim then
  18             repeat
  19                 lim = lim - step
  20             until num > lim
  21             if lim < nextlim then
  22                 lim = nextlim
  23             end
  24             return lim
  25         end
  26     end
  27 end
  28
  29 local function batclosure ()
  30     local nextlim = limits[1][1]
  31     return function (_, args)
  32         local state, charge = args[1], args[2]
  33         if not charge then return end
  34         if state == "-" then
  35             dirsign = "↓"
  36             if charge <= nextlim then
  37                 naughty.notify({title = "⚡ Warning! ⚡",
  38                                 text = "Battery has leaked most of its power ( ⚡ "..charge.."%)!",
  39                                 timeout = 7,
  40                                 position = "top_right",
  41                                 fg = beautiful.fg_focus,
  42                                 bg = beautiful.bg_focus
  43                                })
  44                 nextlim = getnextlim(charge)
  45             end
  46         elseif state == "+" then
  47             dirsign = "↑"
  48             nextlim = limits[1][1]
  49         else
  50             return " ⚡ "
  51         end
  52         if dir ~= 0 then charge = charge.."%" end
  53         return " "..dirsign..charge..dirsign.." "
  54     end
  55 end
  56
  57 batterywidget = wibox.widget.textbox()
  58 vicious.register(batterywidget, vicious.widgets.bat, batclosure(), 5, "BAT0")
  59
  60 return batterywidget