onKeyDown property

Stream<KeyIdentifier?> get onKeyDown

Fires when a mapped key is pressed. Emits null for an unrecognised key value.

Implementation

Stream<KeyIdentifier?> get onKeyDown => streamKeyEvents().map((e) {
      try {
        return KeyIdentifier.fromValue(e.key);
      } catch (_) {
        return null;
      }
    });