Fix: sometimes the cursor is not visible

src/ace/Editor.js

@@ -48,6 +48,7 @@ var Editor = function(renderer, doc) {
     });
 
     this.setDocument(doc || new Document(""));
+    this.focus();
 };
 
 (function(){

src/ace/TextInput.js

@@ -100,8 +100,9 @@ var TextInput = function(parentNode, host) {
     });
 
     this.focus = function() {
-        text.focus();
+        host.onFocus();
         text.select();
+        text.focus();
     };
 
     this.blur = function() {