DisableShortcut on Flutter web

flutter_web_disableShortcut.dart.dart

//Use this for block default contextmenu on flutter web 
if (kIsWeb && kReleaseMode) {
    //contextmenu will work on debug mode only
    html.document.body!.addEventListener('contextmenu', (event) => event.preventDefault());
    //to prevent onPaste over hold web app
    //html.document.onPaste.listen((event)=>event.preventDefault());
  }
  
 
/// Chid widget will not be able to use shortcuts on flutter web 
class DisableShortcut extends StatelessWidget {
  const DisableShortcut({super.key, required this.child, this.isEnable = true});
  final Widget child;
  final bool isEnable;

  @override
  Widget build(BuildContext context) {
    final copyKeys = LogicalKeySet(
      LogicalKeyboardKey.meta,
      LogicalKeyboardKey.keyC,
    );
    final cutKeys = LogicalKeySet(
      LogicalKeyboardKey.meta,
      LogicalKeyboardKey.keyX,
    );
    final pasteKey = LogicalKeySet(
      LogicalKeyboardKey.meta,
      LogicalKeyboardKey.keyV,
    );
    final copyKeysWin = LogicalKeySet(
      LogicalKeyboardKey.control,
      LogicalKeyboardKey.keyC,
    );
    final cutKeysWin = LogicalKeySet(
      LogicalKeyboardKey.control,
      LogicalKeyboardKey.keyX,
    );
    final pasteKeyWin = LogicalKeySet(
      LogicalKeyboardKey.control,
      LogicalKeyboardKey.keyV,
    );
    final test = LogicalKeySet(
      LogicalKeyboardKey.meta,
      LogicalKeyboardKey.keyA,
      LogicalKeyboardKey.keyV,
    );

    return FocusableActionDetector(
      // mouseCursor: SystemMouseCursors.click,
      shortcuts: {
        copyKeys: CopySelectionTextIntent.copy,
        //
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.drag),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.toolbar),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.keyboard),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.scribble),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.longPress),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.forcePress),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.tap),
        cutKeys: const CopySelectionTextIntent.cut(SelectionChangedCause.doubleTap),
        //
        pasteKey: const PasteTextIntent(SelectionChangedCause.keyboard),
        pasteKey: const PasteTextIntent(SelectionChangedCause.drag),
        pasteKey: const PasteTextIntent(SelectionChangedCause.toolbar),
        pasteKey: const PasteTextIntent(SelectionChangedCause.scribble),
        pasteKey: const PasteTextIntent(SelectionChangedCause.longPress),
        pasteKey: const PasteTextIntent(SelectionChangedCause.tap),
        pasteKey: const PasteTextIntent(SelectionChangedCause.doubleTap),
        pasteKey: const PasteTextIntent(SelectionChangedCause.forcePress),
        //
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.keyboard),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.drag),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.toolbar),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.scribble),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.longPress),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.tap),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.doubleTap),
        pasteKeyWin: const PasteTextIntent(SelectionChangedCause.forcePress),
        //
        copyKeysWin: CopySelectionTextIntent.copy,
        //
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.drag),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.toolbar),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.keyboard),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.scribble),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.longPress),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.forcePress),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.forcePress),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.tap),
        cutKeysWin: const CopySelectionTextIntent.cut(SelectionChangedCause.doubleTap),

        test: const PasteTextIntent(SelectionChangedCause.keyboard),
      },
      actions: {
        CopySelectionTextIntent: CallbackAction<CopySelectionTextIntent>(
          onInvoke: (intent) {
            FocusScope.of(context).unfocus();
            showSnackBar(
              context,
              "Copy and Cut has blocked",
            );
            return null;
          },
        ),
        PasteTextIntent: CallbackAction<PasteTextIntent>(
          onInvoke: (intent) {
            FocusScope.of(context).unfocus();
            showSnackBar(
              context,
              "Paste has been blocked",
            );
            return null;
          },
        )
      },
      autofocus: true,
      enabled: isEnable,
      child: child,
    );
  }
}