cocos2d-js#1163: Made menu items' texture update in bake layer

Author: pandamicro

cocos2d/menus/CCMenu.js

@@ -466,6 +466,7 @@ cc.Menu = cc.Layer.extend(/** @lends cc.Menu# */{
         if (target._selectedItem) {
             target._state = cc.MENU_STATE_TRACKING_TOUCH;
             target._selectedItem.selected();
+            target._selectedItem.setNodeDirty();
             return true;
         }
         return false;
@@ -480,6 +481,7 @@ cc.Menu = cc.Layer.extend(/** @lends cc.Menu# */{
         if (target._selectedItem) {
             target._selectedItem.unselected();
             target._selectedItem.activate();
+            target._selectedItem.setNodeDirty();
         }
         target._state = cc.MENU_STATE_WAITING;
     },
@@ -490,8 +492,10 @@ cc.Menu = cc.Layer.extend(/** @lends cc.Menu# */{
             cc.log("cc.Menu.onTouchCancelled(): invalid state");
             return;
         }
-        if (this._selectedItem)
+        if (this._selectedItem) {
             target._selectedItem.unselected();
+            target._selectedItem.setNodeDirty();
+        }
         target._state = cc.MENU_STATE_WAITING;
     },
 
@@ -503,11 +507,15 @@ cc.Menu = cc.Layer.extend(/** @lends cc.Menu# */{
         }
         var currentItem = target._itemForTouch(touch);
         if (currentItem != target._selectedItem) {
-            if (target._selectedItem)
+            if (target._selectedItem) {
                 target._selectedItem.unselected();
+                target._selectedItem.setNodeDirty();
+            }
             target._selectedItem = currentItem;
-            if (target._selectedItem)
+            if (target._selectedItem) {
                 target._selectedItem.selected();
+                target._selectedItem.setNodeDirty();
+            }
         }
     },