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.
3 Licensed under GNU General Public License v2
8 local helpers = require("lain.helpers")
9 local json = require("lain.util").dkjson
10 local focused = require("awful.screen").focused
11 local naughty = require("naughty")
12 local wibox = require("wibox")
14 local math, os, string, tonumber = math, os, string, tonumber
17 -- current weather and X-days forecast
18 -- lain.widget.weather
20 local function factory(args)
21 local weather = { widget = wibox.widget.textbox() }
22 local args = args or {}
23 local APPID = args.APPID or "3e321f9414eaedbfab34983bda77a66e" -- lain's default
24 local timeout = args.timeout or 60 * 15 -- 15 min
25 local timeout_forecast = args.timeout or 60 * 60 * 24 -- 24 hrs
26 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'"
27 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'"
28 local city_id = args.city_id or 0 -- placeholder
29 local units = args.units or "metric"
30 local lang = args.lang or "en"
31 local cnt = args.cnt or 5
32 local date_cmd = args.date_cmd or "date -u -d @%d +'%%a %%d'"
33 local icons_path = args.icons_path or helpers.icons_dir .. "openweathermap/"
34 local notification_preset = args.notification_preset or {}
35 local notification_text_fun = args.notification_text_fun or
37 local day = os.date("%a %d", wn["dt"])
38 local tmin = math.floor(wn["temp"]["min"])
39 local tmax = math.floor(wn["temp"]["max"])
40 local desc = wn["weather"][1]["description"]
41 return string.format("<b>%s</b>: %s, %d - %d ", day, desc, tmin, tmax)
43 local weather_na_markup = args.weather_na_markup or " N/A "
44 local followtag = args.followtag or false
45 local showpopup = args.showpopup or "on"
46 local settings = args.settings or function() end
48 weather.widget:set_markup(weather_na_markup)
49 weather.icon_path = icons_path .. "na.png"
50 weather.icon = wibox.widget.imagebox(weather.icon_path)
52 function weather.show(t_out)
56 notification_preset.screen = focused()
59 if not weather.notification_text then
61 weather.forecast_update()
64 weather.notification = naughty.notify({
65 text = weather.notification_text,
66 icon = weather.icon_path,
68 preset = notification_preset
72 function weather.hide()
73 if weather.notification then
74 naughty.destroy(weather.notification)
75 weather.notification = nil
79 function weather.attach(obj)
80 obj:connect_signal("mouse::enter", function()
83 obj:connect_signal("mouse::leave", function()
88 function weather.forecast_update()
89 local cmd = string.format(forecast_call, city_id, units, lang, cnt, APPID)
90 helpers.async(cmd, function(f)
92 weather_now, pos, err = json.decode(f, 1, nil)
94 if not err and type(weather_now) == "table" and tonumber(weather_now["cod"]) == 200 then
95 weather.notification_text = ""
96 for i = 1, weather_now["cnt"] do
97 weather.notification_text = weather.notification_text ..
98 notification_text_fun(weather_now["list"][i])
99 if i < weather_now["cnt"] then
100 weather.notification_text = weather.notification_text .. "\n"
107 function weather.update()
108 local cmd = string.format(current_call, city_id, units, lang, APPID)
109 helpers.async(cmd, function(f)
111 weather_now, pos, err = json.decode(f, 1, nil)
113 if not err and type(weather_now) == "table" and tonumber(weather_now["cod"]) == 200 then
114 local sunrise = tonumber(weather_now["sys"]["sunrise"])
115 local sunset = tonumber(weather_now["sys"]["sunset"])
116 local icon = weather_now["weather"][1]["icon"]
117 local loc_now = os.time() -- local time
118 local loc_m = os.time { year = os.date("%Y"), month = os.date("%m"), day = os.date("%d"), hour = 0 } -- local time from midnight
119 local loc_d = os.date("*t", loc_now) -- table YMDHMS for current local time (for TZ calculation)
120 local utc_d = os.date("!*t", loc_now) -- table YMDHMS for current UTC time
121 local utc_now = os.time(utc_d) -- UTC time now
122 local offdt = (loc_d.isdst and 1 or 0) * 3600 + 100 * (loc_d.min - utc_d.min) / 60 -- DST offset
123 local offset = os.difftime(loc_now, utc_now) + (loc_d.isdst and 1 or 0) * 3600 + 100 * (loc_d.min - utc_d.min) / 60 -- TZ offset (including DST)
124 local offday = (offset < 0 and -86400) or 86400 -- 24 hour correction value (+86400 or -86400)
126 -- if current UTC time is earlier then local midnight -> positive offset (negative otherwise)
127 if offset * (loc_m - utc_now + offdt) > 0 then
128 sunrise = sunrise + offday -- Shift sunset and sunrise times by 24 hours
129 sunset = sunset + offday
132 if sunrise <= loc_now and loc_now <= sunset then
133 icon = string.gsub(icon, "n", "d")
135 icon = string.gsub(icon, "d", "n")
138 weather.icon_path = icons_path .. icon .. ".png"
139 widget = weather.widget
142 weather.icon_path = icons_path .. "na.png"
143 weather.widget:set_markup(weather_na_markup)
146 weather.icon:set_image(weather.icon_path)
150 if showpopup == "on" then weather.attach(weather.widget) end
152 weather.timer = helpers.newtimer("weather-" .. city_id, timeout, weather.update, false, true)
153 weather.timer_forecast = helpers.newtimer("weather_forecast-" .. city_id, timeout, weather.forecast_update, false, true)