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|
-------------------------------------------------
-- Weather Widget based on the OpenWeatherMap
-- https://openweathermap.org/
--
-- @author Pavel Makhov
-- @copyright 2018 Pavel Makhov
-------------------------------------------------
local http = require("socket.http")
local json = require("json")
local naughty = require("naughty")
local wibox = require("wibox")
local gears = require("gears")
local secrets = require("awesome-wm-widgets.secrets")
local path_to_icons = "/usr/share/icons/Arc/status/symbolic/"
local icon_widget = wibox.widget {
{
id = "icon",
resize = false,
widget = wibox.widget.imagebox,
},
layout = wibox.container.margin(_ , 0, 0, 3),
set_image = function(self, path)
self.icon.image = path
end,
}
local temp_widget = wibox.widget{
font = "Play 9",
widget = wibox.widget.textbox,
}
local weather_widget = wibox.widget {
icon_widget,
temp_widget,
layout = wibox.layout.fixed.horizontal,
}
--- Maps openWeatherMap icons to Arc icons
local icon_map = {
["01d"] = "weather-clear-symbolic.svg",
["02d"] = "weather-few-clouds-symbolic.svg",
["03d"] = "weather-clouds-symbolic.svg",
["04d"] = "weather-overcast-symbolic.svg",
["09d"] = "weather-showers-scattered-symbolic.svg",
["10d"] = "weather-showers-symbolic.svg",
["11d"] = "weather-storm-symbolic.svg",
["13d"] = "weather-snow-symbolic.svg",
["50d"] = "weather-fog-symbolic.svg",
["01n"] = "weather-clear-night-symbolic.svg",
["02n"] = "weather-few-clouds-night-symbolic.svg",
["03n"] = "weather-clouds-night-symbolic.svg",
["04n"] = "weather-overcast-symbolic.svg",
["09n"] = "weather-showers-scattered-symbolic.svg",
["10n"] = "weather-showers-symbolic.svg",
["11n"] = "weather-storm-symbolic.svg",
["13n"] = "weather-snow-symbolic.svg",
["50n"] = "weather-fog-symbolic.svg"
}
--- handy function to convert temperature from Kelvin to Celcius
function to_celcius(kelvin)
return math.floor(tonumber(kelvin) - 273.15)
end
--- Return wind direction as a string.
function to_direction(degrees)
-- Ref: https://www.campbellsci.eu/blog/convert-wind-directions
if degrees == nil then
return "Unknown dir"
end
local directions = {
"N",
"NNE",
"NE",
"ENE",
"E",
"ESE",
"SE",
"SSE",
"S",
"SSW",
"SW",
"WSW",
"W",
"WNW",
"NW",
"NNW",
"N",
}
return directions[math.floor((degrees % 360) / 22.5) + 1]
end
local weather_timer = gears.timer({ timeout = 60 })
local resp
weather_timer:connect_signal("timeout", function ()
local resp_json = http.request("https://api.openweathermap.org/data/2.5/weather?q=" .. secrets.weather_widget_city .."&appid=" .. secrets.weather_widget_api_key)
if (resp_json ~= nil) then
resp = json.decode(resp_json)
icon_widget.image = path_to_icons .. icon_map[resp.weather[1].icon]
temp_widget:set_text(to_celcius(resp.main.temp) .. "°C")
end
end)
weather_timer:start()
weather_timer:emit_signal("timeout")
--- Notification with weather information. Popups when mouse hovers over the icon
local notification
weather_widget:connect_signal("mouse::enter", function()
notification = naughty.notify{
icon = path_to_icons .. icon_map[resp.weather[1].icon],
icon_size=20,
text =
'<big>' .. resp.weather[1].main .. ' (' .. resp.weather[1].description .. ')</big><br>' ..
'<b>Humidity:</b> ' .. resp.main.humidity .. '%<br>' ..
'<b>Temperature: </b>' .. to_celcius(resp.main.temp) .. '<br>' ..
'<b>Pressure: </b>' .. resp.main.pressure .. 'hPa<br>' ..
'<b>Clouds: </b>' .. resp.clouds.all .. '%<br>' ..
'<b>Wind: </b>' .. resp.wind.speed .. 'm/s (' .. to_direction(resp.wind.deg) .. ')',
timeout = 5, hover_timeout = 10,
width = 200
}
end)
weather_widget:connect_signal("mouse::leave", function()
naughty.destroy(notification)
end)
return weather_widget
|
