private void TaskNameKeyDownCallback(KeyUpEvent evt) { if (evt.shiftKey || evt.commandKey || evt.altKey || evt.ctrlKey) { return; } _alreadyExistsBox.SetEnabled(_selectedTodo.ContainsTask(_newTaskName.text.Trim())); if (evt.keyCode != KeyCode.Return) { return; } NewTodoTask(); evt.StopImmediatePropagation(); }