Try to fix issue #3 (I sill cannot reproduce it)

README.md

@@ -110,7 +110,7 @@ Multiple items can have multiple sets of options.
 | bg              | Background color                                   | String/gradient/pattern       |
 | fg              | Foreground (text) color                            | String/gradient/pattern       |
 | bg_focus        | Background of focussed items                       | String/gradient/pattern       |
-| fg_forcus       | Foreground of focussed items                       | String/gradient/pattern       |
+| fg_focus        | Foreground of focussed items                       | String/gradient/pattern       |
 | bg_alternate    | Alternate background color                         | String/gradient/pattern       |
 | bg_highlight    | Highlight background color                         | String/gradient/pattern       |
 | bg_header       | Header (see widgets section) color                 | String/gradient/pattern       |

base.lua

@@ -231,7 +231,7 @@ local function new(args)
       bg              = args.bg or beautiful.menu_bg_normal or beautiful.bg_normal or "#000000",
       fg              = args.fg or beautiful.menu_fg_normal or beautiful.fg_normal or "#ffffff",
       bg_focus        = args.bg_focus or beautiful.menu_bg_focus or beautiful.bg_focus or "#ffffff",
-      fg_forcus       = args.fg_focus or beautiful.menu_fg_focus or beautiful.fg_focus or "#000000",
+      fg_focus        = args.fg_focus or beautiful.menu_fg_focus or beautiful.fg_focus or "#000000",
       bg_alternate    = args.bg_alternate or beautiful.menu_bg_alternate or beautiful.bg_alternate or beautiful.bg_normal,
       bg_highlight    = args.bg_highlight or beautiful.menu_bg_highlight or beautiful.bg_highlight or beautiful.bg_normal,
       bg_header       = args.bg_header    or beautiful.menu_bg_header or beautiful.fg_normal,
@@ -365,6 +365,7 @@ local function new(args)
 --         data.style(data,{arrow_x=20,margin=internal.margin})
       else
         data.has_changed = true
+        internal.layout:emit_signal("widget::updated")
       end
     end)
   end

context.lua

@@ -151,8 +151,11 @@ local function setup_drawable(data)
   end
   function internal:set_visible(value)
     internal.w.visible = value
+    if not value then
+      capi.keygrabber.stop()
+    end
   end
-  
+
   if data.visible then
     local fit_w,fit_h = data._internal.layout:fit()
     data.width = fit_w

layout/vertical.lua

@@ -104,6 +104,7 @@ function module:setup_item(data,item,args)
   data.item_style(data,item,false,false)
   item.widget:set_fg(item._private_data.fg)
   item._internal.has_changed = true
+  data._internal.layout:emit_signal("widget::updated")
 
   --Event handling
   item.widget:connect_signal("mouse::enter", function() item.selected = true end)
@@ -219,6 +220,7 @@ function module:setup_item(data,item,args)
         data._internal.largest_item_w = item
         data._internal.largest_item_w_v = fit_w
       end
+      data._internal.layout:emit_signal("widget::updated")
       --TODO find new largest is item is smaller
   --     if data._internal.largest_item_h_v < fit_h then
   --       data._internal.largest_item_h =item
@@ -229,6 +231,7 @@ function module:setup_item(data,item,args)
   
   item._internal.set_map.f_key = function(value)
     item._internal.has_changed = true
+    data._internal.layout:emit_signal("widget::updated")
     item._internal.f_key = value
     data:remove_key_hook("F"..value)
     data:add_key_hook({}, "F"..value      , "press", function()