All patches and comments are welcome. Please squash your changes to logical
commits before using git-format-patch and git-send-email to
patches@git.madduck.net.
If you'd read over the Git project's submission guidelines and adhered to them,
I'd be especially grateful.
4 Licensed under GNU General Public License v2
5 * (c) 2015, Luke Bonham
9 local helpers = require("lain.helpers")
10 local json = require("lain.util").dkjson
11 local focused = require("awful.screen").focused
12 local naughty = require("naughty")
13 local wibox = require("wibox")
14 local math = { floor = math.floor }
15 local os = { time = os.time,
17 difftime = os.difftime }
18 local string = { format = string.format,
20 local tonumber = tonumber
21 local setmetatable = setmetatable
24 -- current weather and X-days forecast
25 -- lain.widgets.weather
27 local function worker(args)
28 local weather = helpers.make_widget_textbox()
29 local args = args or {}
30 local APPID = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain default
31 local timeout = args.timeout or 900 -- 15 min
32 local timeout_forecast = args.timeout or 86400 -- 24 hrs
33 local current_call = args.current_call or "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s&APPID=%s'"
34 local forecast_call = args.forecast_call or "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s&APPID=%s'"
35 local city_id = args.city_id or 0 -- placeholder
36 local utc_offset = args.utc_offset or
39 return os.difftime(now, os.time(os.date("!*t", now))) + ((os.date("*t").isdst and 1 or 0) * 3600)
41 local units = args.units or "metric"
42 local lang = args.lang or "en"
43 local cnt = args.cnt or 5
44 local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'"
45 local icons_path = args.icons_path or helpers.icons_dir .. "openweathermap/"
46 local notification_preset = args.notification_preset or {}
47 local notification_text_fun = args.notification_text_fun or
49 local day = os.date("%a %d", wn["dt"])
50 local tmin = math.floor(wn["temp"]["min"])
51 local tmax = math.floor(wn["temp"]["max"])
52 local desc = wn["weather"][1]["description"]
53 return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
55 local weather_na_markup = args.weather_na_markup or " N/A "
56 local followtag = args.followtag or false
57 local settings = args.settings or function() end
59 weather.widget:set_markup(weather_na_markup)
60 weather.icon_path = icons_path .. "na.png"
61 weather.icon = wibox.widget.imagebox(weather.icon_path)
63 function weather.show(t_out)
67 notification_preset.screen = focused()
70 if not weather.notification_text then
71 weather.forecast_update()
74 weather.notification = naughty.notify({
75 text = weather.notification_text,
76 icon = weather.icon_path,
78 preset = notification_preset
82 function weather.hide()
83 if weather.notification then
84 naughty.destroy(weather.notification)
85 weather.notification = nil
89 function weather.attach(obj)
90 obj:connect_signal("mouse::enter", function()
93 obj:connect_signal("mouse::leave", function()
98 function weather.forecast_update()
99 local cmd = string.format(forecast_call, city_id, units, lang, cnt, APPID)
100 helpers.async(cmd, function(f)
102 weather_now, pos, err = json.decode(f, 1, nil)
104 if not err and type(weather_now) == "table" and tonumber(weather_now["cod"]) == 200 then
105 weather.notification_text = ''
106 for i = 1, weather_now["cnt"] do
107 weather.notification_text = weather.notification_text ..
108 notification_text_fun(weather_now["list"][i])
110 if i < weather_now["cnt"] then
111 weather.notification_text = weather.notification_text .. "\n"
118 function weather.update()
119 local cmd = string.format(current_call, city_id, units, lang, APPID)
120 helpers.async(cmd, function(f)
122 weather_now, pos, err = json.decode(f, 1, nil)
124 if not err and type(weather_now) == "table" and tonumber(weather_now["cod"]) == 200 then
125 -- weather icon based on localtime
126 local now = os.time()
127 local sunrise = tonumber(weather_now["sys"]["sunrise"])
128 local sunset = tonumber(weather_now["sys"]["sunset"])
129 local icon = weather_now["weather"][1]["icon"]
130 local loc_m = os.time { year = os.date("%Y"), month = os.date("%m"), day = os.date("%d"), hour = 0 }
131 local offset = utc_offset()
132 local utc_m = loc_m + offset
134 -- if we are 1 day after the GMT, return 1 day back, and viceversa
135 if offset > 0 and loc_m >= utc_m then
137 elseif offset < 0 and loc_m <= utc_m then
141 if sunrise <= now and now <= sunset then
142 icon = string.gsub(icon, "n", "d")
144 icon = string.gsub(icon, "d", "n")
147 weather.icon_path = icons_path .. icon .. ".png"
148 widget = weather.widget
151 weather.icon_path = icons_path .. "na.png"
152 weather.widget:set_markup(weather_na_markup)
155 weather.icon:set_image(weather.icon_path)
159 weather.attach(weather.widget)
161 weather.timer = helpers.newtimer("weather-" .. city_id, timeout, weather.update, false, true)
162 weather.timer_forecast = helpers.newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update, false, true)
167 return setmetatable({}, { __call = function(_, ...) return worker(...) end })