Merge pull request #684 from Shallowmallow/wrapperForExpose

add wrapper for expose

Author: ianharrigan

haxe/ui/focus/FocusManager.hx

@@ -13,7 +13,9 @@ import Std.isOfType;
 import Std.is as isOfType;
 #end
 
+#if haxeui_expose_all
 @:expose
+#end
 class FocusManager extends FocusManagerImpl {
     private static var _instance:FocusManager;
     public static var instance(get, null):FocusManager;