Add wifi info tooltip

wifi.lua

@@ -1,3 +1,6 @@
+local awful = require("awful")
+local beautiful = require("beautiful")
+local gears = require("gears")
 local vicious = require("vicious")
 local wibox = require("wibox")
 
@@ -6,10 +9,19 @@ local icon_excellent
 local icon_good
 local icon_ok
 local icon_none
+local color = beautiful.bg_focus
 
+local info = {}
 
 -- Create layout with widgets
 local widget = wibox.widget {
+    {
+        id = "sep",
+        widget = wibox.widget.separator,
+        shape = gears.shape["parallelogram"],
+        color = color,
+        forced_width = 8
+    },
    {
       id = "icon",
       widget = wibox.widget.imagebox,
@@ -22,6 +34,8 @@ local widget = wibox.widget {
    },
    layout = wibox.layout.align.horizontal
 }
+local container = wibox.container.margin(wibox.container.margin(widget, 3), 3)
+
 vicious.register(widget.text, vicious.widgets.wifi,
     function (w, args)
         if args["{ssid}"] ~= "N/A" then
@@ -34,6 +48,7 @@ vicious.register(widget.text, vicious.widgets.wifi,
             else
                 widget.icon:set_image(icon_none)
             end
+            info = args
         else
             widget.icon:set_image(icon_wifi)
         end
@@ -41,7 +56,7 @@ vicious.register(widget.text, vicious.widgets.wifi,
     end, 2, "wlp64s0")
 
 -- Widget function that is available from the outside.
-function widget.set_icons(wifi, excellent, good, ok, none)
+function container.set_icons(wifi, excellent, good, ok, none)
     icon_wifi = wifi
     icon_excellent = excellent
     icon_good = good
@@ -49,4 +64,21 @@ function widget.set_icons(wifi, excellent, good, ok, none)
     icon_none = none
 end
 
-return widget
+awful.tooltip(
+   {
+      objects = { widget },
+      mode = "outside",
+      align = "right",
+      fg = "white",
+      margin_leftright = 10,
+      margin_topbottom = 10,
+      timer_function = function()
+          return info["{ssid}"] .. "\n  Channel: " .. info["{chan}"] .. "\n  Rate: " .. info["{rate}"] .. "Mb/s\n  Frequency: " .. info["{freq}"] .. "MHz"
+      end,
+      preferred_positions = {"right", "left", "top", "bottom"}
+   }
+)
+
+return container
+
+-- scan networks via `sudo iw dev wlp64s0 scan | grep SSID:`