awesome-wm-widgets/weather-widget/weather.lua

83 lines
2.6 KiB
Lua

local wibox = require("wibox")
local http = require("socket.http")
local json = require("json")
local naughty = require("naughty")
local city = "Montreal,ca"
local open_map_key = "<openWeatherMap api key>"
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(brightness_icon, 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,
}
weather_widget = wibox.widget {
icon_widget,
temp_widget,
layout = wibox.layout.fixed.horizontal,
}
-- helps to map 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
local weather_timer = timer({ timeout = 600 })
local resp
weather_timer:connect_signal("timeout", function ()
local resp_json = http.request("http://api.openweathermap.org/data/2.5/weather?q=" .. city .."&appid=" .. open_map_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))
end
end)
weather_timer:start()
weather_timer:emit_signal("timeout")
weather_widget:connect_signal("mouse::enter", function()
naughty.notify{
icon = path_to_icons .. icon_map[resp.weather[1].icon],
icon_size=20,
text = '<b>Humidity:</b> ' .. resp.main.humidity .. '%<br><b>Temperature: </b>' .. to_celcius(resp.main.temp),
timeout = 5, hover_timeout = 0.5,
width = 200,
}
end)