widgets/popup: add the KeyDownHandler
@@ -47,7 +47,7 @@ impl State for PopupState {
widget!(
/// The `Popup` is used to display content that floats over the main content.
- Popup<PopupState> : MouseHandler {
+ Popup<PopupState> : KeyDownHandler, MouseHandler {
/// Sets or shares the background property.
background: Brush,
