// // DeleteBackwardResponseTextField.swift // Mastodon // // Created by MainasuK Cirno on 2021-3-23. // import UIKit public protocol DeleteBackwardResponseTextFieldDelegate: AnyObject { func deleteBackwardResponseTextField(_ textField: DeleteBackwardResponseTextField, textBeforeDelete: String?) } public final class DeleteBackwardResponseTextField: UITextField { public weak var deleteBackwardDelegate: DeleteBackwardResponseTextFieldDelegate? public override func deleteBackward() { let text = self.text super.deleteBackward() deleteBackwardDelegate?.deleteBackwardResponseTextField(self, textBeforeDelete: text) } }