show method

Future<void> show()

显示 Tooltip，并在它关闭时完成返回的 Future。

Implementation

Future<void> show() {
  if (_disposed) return Future<void>.value();
  if (_active != null && !identical(_active, this)) _active!.dismiss();
  _active = this;
  _timer?.cancel();
  _showCompleter ??= Completer<void>();
  if (!_isVisible) {
    _isVisible = true;
    notifyListeners();
  }
  if (!isPersistent) {
    _timer = Timer(MiuixTooltipDefaults.tooltipDuration, dismiss);
  }
  return _showCompleter!.future;
}