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show widgets on all screens
[etc/awesome.git] / .config / awesome / forex_widgets.lua
1 local dkjson = require("lain.util").dkjson
2 local math = require("math")
3 local lain = require("lain")
4 local beautiful = require("beautiful")
5
6 local widgets = {}
7
8 local function parse_ecb_rates(output, symbol, prec)
9     local xc, pos, err = dkjson.decode(output, 1, nil)
10     if not prec then prec = 2 end
11     val = (xc and xc["rates"][symbol]) or 0
12     print (val)
13     val = math.floor(val*10^prec+0.5)/10^prec
14     return (not err and val) or "n/a"
15 end
16
17 widgets.ecb_widget = lain.widget.watch({
18     cmd = "curl -m5 -s 'https://api.exchangeratesapi.io/latest?base=EUR'",
19     timeout = 600,
20     settings = function()
21         widget:set_text(parse_ecb_rates(output, 'NZD') .. " NZD = "
22           .. parse_ecb_rates(output, 'CHF') .. " CHF")
23     end,
24 })
25
26 return widgets