diff --git a/state.go b/state.go
index f285369..788b493 100644
--- a/state.go
+++ b/state.go
@@ -39,6 +39,9 @@ type State struct {
 	// specifically ONLY for the gui toolkit
 	Hidden bool
 
+	// is the widget usable by the user?
+	Enable bool
+
 	// if false, pack things as tightly as possible
 	Pad bool