ChooseOfflineNameDialog 0 0 400 158 Choose Offline Name 0 0 Message label placeholder. Username A username is valid only if it is from 3 to 16 characters in length, uses English letters, numbers, and underscores. An invalid username may prevent joining servers and singleplayer worlds. Allow invalid usernames QDialogButtonBox::StandardButton::Cancel|QDialogButtonBox::StandardButton::Ok