handleKeyEventstream method

bool handleKeyEventstream(dynamic value)

Implementation

bool handleKeyEventstream(dynamic value) {
  value.listen((event) async {
    print("dynamic key event result");
    print(event);
    String key = '';

    if (event["state"] == "inputkey") {
      onchange!(event["message"]);
    } else if (event["state"] == "confirm") {
      if (proceed != null) {
        proceed!();
      }
    } else if (event["state"] == "cancel") {
      if (cancel != null) {
        cancel!();
        // }else{
        //   Get.back();
      }
    } else if (event["state"] == "stop") {
      onchange!(event["message"]);
    } else {}
    if (event is KeyDownEvent) {
      if (event.logicalKey.keyId >= LogicalKeyboardKey.digit1.keyId &&
          event.logicalKey.keyId <= LogicalKeyboardKey.digit9.keyId) {
        key =
            (event.logicalKey.keyId - LogicalKeyboardKey.digit1.keyId + 1)
                .toString();
      } else if (event.logicalKey.keyId == LogicalKeyboardKey.digit0.keyId) {
        key = '0';
      } else if (event.logicalKey.keyId == LogicalKeyboardKey.enter.keyId) {
        if (proceed != null) {
          proceed!();
        }
      } else if (event.logicalKey.keyId == LogicalKeyboardKey.delete.keyId ||
          event.logicalKey.keyId == LogicalKeyboardKey.backspace.keyId) {
        // if (key.isNotEmpty) {
        //   key = key.substring(
        //       0, key.length - 1);
        // }
        key = "delete";
      } else if (event.logicalKey.keyId == LogicalKeyboardKey.goBack.keyId ||
          event.logicalKey.keyId == LogicalKeyboardKey.escape.keyId) {
        if (cancel != null) {
          cancel!();
          // }else{
          //   Get.back();
        }
      }
      // else if (// Add logic for other valid symbols here) {
      // // Allow other relevant symbols (e.g., '.')
      // key = getSymbolFromKeyCode(event.logicalKey.keyId);
    } else {
      // Handle invalid input (show a toast or snackbar)
      // print('Invalid input: ${event.logicalKey}');
    }

    if (key.isNotEmpty && onchange != null) {
      // amountController.text += key;
      onchange!(key);
    }
  });
  return true;
}