| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import <Cocoa/Cocoa.h> |
| |
| /** |
| * An interface for a responder that can process a key event and decides whether |
| * to handle an event synchronously. |
| * |
| * To use this class, add it to a |FlutterKeyboardManager| with |
| * |addSecondaryResponder|. |
| */ |
| @protocol FlutterKeySecondaryResponder |
| /** |
| * Informs the receiver that the user has interacted with a key. |
| * |
| * The return value indicates whether it has handled the given event. |
| * |
| * Default implementation returns NO. |
| */ |
| @required |
| - (BOOL)handleKeyEvent:(nonnull NSEvent*)event; |
| @end |
