Pass focus events from runner to renderer.

public/js/render/live.js

@@ -200,6 +200,15 @@ var renderer = (function () {
     };
   }());
 
+  /**
+   * When the iframe focuses, simulate that here
+   */
+  renderer.focus = function () {
+    $('#live').focus();
+    // also close any open dropdowns
+    closedropdown();
+  };
+
   return renderer;
 
 }());

public/runner/runner.js

@@ -226,6 +226,11 @@ var sandbox = (function () {
       });
     });
 
+    // Notify the parent of a focus
+    addEvent(childWindow, 'focus', function () {
+      runner.postMessage('focus');
+    });
+
   };
 
   return sandbox;