shims: Send the property:: signal for the client class.

tests/examples/shims/client.lua

@@ -288,10 +288,14 @@ function client.gen_fake(args)
     ret.drawable = ret
 
     -- Make sure the layer properties are not `nil`
-    ret.ontop = false
-    ret.below = false
-    ret.above = false
-    ret.sticky = false
+    local defaults = {
+        ontop     = false,
+        below     = false,
+        above     = false,
+        sticky    = false,
+        urgent    = false,
+        focusable = true,
+    }
 
     -- Declare the deprecated buttons and keys methods.
     function ret:_keys(new)
@@ -319,6 +323,8 @@ function client.gen_fake(args)
         __index     = function(self, key)
             if properties["get_"..key] then
                 return properties["get_"..key](self)
+            elseif defaults[key] ~= nil then
+                return defaults[key]
             end
 
             return meta.__index(self, key)
@@ -329,7 +335,14 @@ function client.gen_fake(args)
                 return properties["set_"..key](self, value)
             end
 
-            return meta.__newindex(self, key, value)
+            if defaults[key] ~= nil then
+                defaults[key] = value
+            else
+                meta.__newindex(self, key, value)
+            end
+
+            ret:emit_signal("property::"..key, value)
+            --client.emit_signal("property::"..key, ret, value)
         end
     })