确认按钮仅在学习模式显示

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

LearnEnglish/LearnEnglish/Views/QuizViewController.swift

@@ -222,10 +222,12 @@ final class QuizViewController: UIViewController {
             if config.isStudyMode {
                 nextButton.isHidden = true
                 spellingView.onChange = { [weak self] in
-                    guard let self, spellingView.isComplete else { return }
-                    submitSpelling(spellingView.typedWord(), for: question)
+                    guard let self else { return }
+                    spellingView.confirmButton?.isEnabled = spellingView.isComplete
                 }
+                spellingView.confirmButton?.isEnabled = false
             } else {
+                spellingView.hideAccessoryView()
                 spellingView.onChange = { [weak self] in
                     guard let self else { return }
                     nextButton.isEnabled = spellingView.isComplete
@@ -235,7 +237,9 @@ final class QuizViewController: UIViewController {
                 nextButton.isHidden = false
             }
             spellingView.onSubmit = { [weak self] in
-                self?.primaryButtonTapped()
+                guard let self else { return }
+                spellingView.confirmButton?.isEnabled = false
+                primaryButtonTapped()
             }
             spellingView.activate()
         } else if isDictation {
@@ -358,7 +362,11 @@ final class QuizViewController: UIViewController {
             wrongWords.append(question.word)
         }
         correct ? Haptics.correct() : Haptics.wrong()
-        spellingView.deactivate()
+        if config.isStudyMode {
+            spellingView.freezeInput()
+        } else {
+            spellingView.deactivate()
+        }
         spellingView.showResultState(correct: correct)
         showResult(correct, for: question)
     }

LearnEnglish/LearnEnglish/Views/SpellingInputView.swift

@@ -3,6 +3,7 @@ import UIKit
 final class SpellingInputView: UIView, UITextFieldDelegate {
     var onChange: (() -> Void)?
     var onSubmit: (() -> Void)?
+    private(set) var confirmButton: UIButton?
 
     private let hiddenField = UITextField()
     private let stack = UIStackView()
@@ -58,12 +59,14 @@ final class SpellingInputView: UIView, UITextFieldDelegate {
         addSubview(hiddenField)
 
         let accessory = UIView()
-        accessory.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 52)
+        accessory.frame = CGRect(x: 0, y: 0, width: 0, height: 74)
+        accessory.autoresizingMask = .flexibleWidth
         accessory.backgroundColor = .clear
 
         var glassConfig = UIButton.Configuration.glass()
         glassConfig.title = "确认"
         glassConfig.cornerStyle = .fixed
+        glassConfig.background.cornerRadius = 25
         glassConfig.baseForegroundColor = .label
         glassConfig.titleTextAttributesTransformer = UIConfigurationTextAttributesTransformer { incoming in
             var outgoing = incoming
@@ -71,6 +74,7 @@ final class SpellingInputView: UIView, UITextFieldDelegate {
             return outgoing
         }
         let glassButton = UIButton(configuration: glassConfig)
+        confirmButton = glassButton
         glassButton.addAction(UIAction { [weak self] _ in
             self?.onSubmit?()
         }, for: .touchUpInside)
@@ -78,9 +82,9 @@ final class SpellingInputView: UIView, UITextFieldDelegate {
         accessory.addSubview(glassButton)
         NSLayoutConstraint.activate([
             glassButton.trailingAnchor.constraint(equalTo: accessory.trailingAnchor, constant: -15),
-            glassButton.centerYAnchor.constraint(equalTo: accessory.centerYAnchor),
-            glassButton.widthAnchor.constraint(equalToConstant: 60),
-            glassButton.heightAnchor.constraint(equalToConstant: 44)
+            glassButton.topAnchor.constraint(equalTo: accessory.topAnchor, constant: 12),
+            glassButton.widthAnchor.constraint(equalToConstant: 80),
+            glassButton.heightAnchor.constraint(equalToConstant: 50)
         ])
         hiddenField.inputAccessoryView = accessory
 
@@ -118,6 +122,16 @@ final class SpellingInputView: UIView, UITextFieldDelegate {
         refreshBoxes()
     }
 
+    func freezeInput() {
+        inputEnabled = false
+        refreshBoxes()
+    }
+
+    func hideAccessoryView() {
+        confirmButton?.isHidden = true
+        hiddenField.inputAccessoryView = nil
+    }
+
     func showResultState(correct: Bool) {
         let color = correct ? Theme.Color.correct : Theme.Color.wrong
         for position in blankPositions {