wiki updated

[etc/awesome.git] / widgets / weather.lua

diff --git a/widgets/weather.lua b/widgets/weather.lua
index d8dfd3f7f1f9a7d9d2355f624216f22d31f6b197..741c9dc17566f004cfaa8d28c914ea676f97a47c 100644 (file)
--- a/widgets/weather.lua
+++ b/widgets/weather.lua
@@ -14,6 +14,7 @@ local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local math         = { floor  = math.floor }
+local mouse        = mouse
 local string       = { format = string.format,
                        gsub   = string.gsub }
 
@@ -24,31 +25,37 @@ local setmetatable = setmetatable
 -- lain.widgets.weather
 
 local function worker(args)
-    local weather               = {}
-    local args                  = args or {}
-    local timeout               = args.timeout or 900   -- 15 min
-    local timeout_forecast      = args.timeout or 86400 -- 24 hrs
-    local current_call          = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
-    local forecast_call         = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s'"
-    local city_id               = args.city_id
-    local units                 = args.units or "metric"
-    local lang                  = args.lang or "en"
-    local cnt                   = args.cnt or 7
-    local date_cmd              = args.date_cmd or "date -u -d @%d +'%%a %%d'"
-    local icons_path            = args.icons_path or lain_icons .. "openweathermap/"
-    local w_notification_preset = args.w_notification_preset or {}
-    local settings              = args.settings or function() end
+    local weather             = {}
+    local args                = args or {}
+    local timeout             = args.timeout or 900   -- 15 min
+    local timeout_forecast    = args.timeout or 86400 -- 24 hrs
+    local current_call        = "curl -s 'http://api.openweathermap.org/data/2.5/weather?id=%s&units=%s&lang=%s'"
+    local forecast_call       = "curl -s 'http://api.openweathermap.org/data/2.5/forecast/daily?id=%s&units=%s&lang=%s&cnt=%s'"
+    local city_id             = args.city_id or 0 -- placeholder
+    local units               = args.units or "metric"
+    local lang                = args.lang or "en"
+    local cnt                 = args.cnt or 7
+    local date_cmd            = args.date_cmd or "date -u -d @%d +'%%a %%d'"
+    local icons_path          = args.icons_path or lain_icons .. "openweathermap/"
+    local notification_preset = args.notification_preset or {}
+    local followmouse         = args.followmouse or false
+    local settings            = args.settings or function() end
 
     weather.widget = wibox.widget.textbox('')
     weather.icon   = wibox.widget.imagebox()
 
     function weather.show(t_out)
         weather.hide()
+
+        if followmouse then
+            notification_preset.screen = mouse.screen
+        end
+
         weather.notification = naughty.notify({
             text    = weather.notification_text,
             icon    = weather.icon_path,
             timeout = t_out,
-            preset  = w_notification_preset
+            preset  = notification_preset
         })
     end
 
@@ -71,15 +78,15 @@ local function worker(args)
     function weather.forecast_update()
         local cmd = string.format(forecast_call, city_id, units, lang, cnt)
         async.request(cmd, function(f)
-            j = f:read("*a")
+            j = f:read("*all")
             f:close()
             weather_now, pos, err = json.decode(j, 1, nil)
 
-            if tonumber(weather_now["cod"]) == 200 then
+            if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
                 weather.notification_text = ''
                 for i = 1, weather_now["cnt"] do
                     local f = assert(io.popen(string.format(date_cmd, weather_now["list"][i]["dt"])))
-                    day = string.gsub(f:read("a"), "\n", "")
+                    day = string.gsub(f:read("*all"), "\n", "")
                     f:close()
 
                     tmin = math.floor(weather_now["list"][i]["temp"]["min"])
@@ -93,6 +100,9 @@ local function worker(args)
                         weather.notification_text = weather.notification_text .. "\n"
                     end
                 end
+            else
+                weather.icon_path = icons_path .. "na.png"
+                weather.notification_text = "API/connection error or bad/not set city ID"
             end
         end)
     end
@@ -100,24 +110,26 @@ local function worker(args)
     function weather.update()
         local cmd = string.format(current_call, city_id, units, lang)
         async.request(cmd, function(f)
-            j = f:read("*a")
+            j = f:read("*all")
             f:close()
             weather_now, pos, err = json.decode(j, 1, nil)
 
-            if err then
-                weather.widget.set_text("N/A")
-                weather.icon:set_image(icons_path .. "na.png")
-            elseif tonumber(weather_now["cod"]) == 200 then
+            if not err and weather_now ~= nil and tonumber(weather_now["cod"]) == 200 then
                 weather.icon_path = icons_path .. weather_now["weather"][1]["icon"] .. ".png"
                 weather.icon:set_image(weather.icon_path)
                 widget = weather.widget
                 settings()
+            else
+                weather.widget._layout.text = " N/A " -- tries to avoid textbox bugs
+                weather.icon:set_image(icons_path .. "na.png")
             end
         end)
     end
 
-    newtimer("weather", timeout, weather.update)
-    newtimer("weather_forecast", timeout, weather.forecast_update)
+    weather.attach(weather.widget)
+
+    newtimer("weather-" .. city_id, timeout, weather.update)
+    newtimer("weather_forecast" .. city_id, timeout, weather.forecast_update)
 
     return setmetatable(weather, { __index = weather.widget })
 end