KBFunctionView 长按删除不弹出立刻清空按钮

CustomKeyboard/Utils/KBBackspaceLongPressHandler.h

@@ -11,8 +11,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (instancetype)initWithContainerView:(UIView *)containerView;
 
-/// 配置删除按钮（包含长按删除与“立刻清空”提示）
+/// 配置删除按钮（包含长按删除；可选是否显示“立刻清空”提示）
-- (void)bindDeleteButton:(nullable UIView *)button;
+- (void)bindDeleteButton:(nullable UIView *)button showClearLabel:(BOOL)showClearLabel;
 
 /// 触发“立刻清空”逻辑（可用于功能面板的清空按钮）
 - (void)performClearAction;

CustomKeyboard/Utils/KBBackspaceLongPressHandler.m

@@ -38,6 +38,7 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 @property (nonatomic, weak) UIView *containerView;
 @property (nonatomic, weak) UIView *backspaceButton;
 @property (nonatomic, strong) UILongPressGestureRecognizer *longPress;
+@property (nonatomic, assign) BOOL showClearLabelEnabled;
 @property (nonatomic, assign) BOOL backspaceHoldActive;
 @property (nonatomic, assign) NSTimeInterval backspaceHoldStartTime;
 @property (nonatomic, assign) BOOL backspaceChunkModeActive;
@@ -58,13 +59,14 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     return self;
 }
 
-- (void)bindDeleteButton:(UIView *)button {
+- (void)bindDeleteButton:(UIView *)button showClearLabel:(BOOL)showClearLabel {
     if (self.backspaceButton == button) { return; }
 
     if (self.longPress && self.backspaceButton) {
         [self.backspaceButton removeGestureRecognizer:self.longPress];
     }
     self.backspaceButton = button;
+    self.showClearLabelEnabled = showClearLabel;
     self.backspaceHoldActive = NO;
     self.backspaceChunkModeActive = NO;
     self.backspaceClearHighlighted = NO;
@@ -105,7 +107,9 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
             self.backspaceChunkModeActive = NO;
             [self kb_setBackspaceClearHighlighted:NO];
             [self kb_hideBackspaceClearLabel];
+            if (self.showClearLabelEnabled) {
                 [self kb_showBackspaceClearLabelIfNeeded];
+            }
             [self kb_backspaceStepForToken:token];
         } break;
         case UIGestureRecognizerStateChanged: {
@@ -137,8 +141,10 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
     }
     if (!self.backspaceChunkModeActive && elapsed >= kKBBackspaceChunkStartDelay) {
         self.backspaceChunkModeActive = YES;
+        if (self.showClearLabelEnabled) {
             [self kb_showBackspaceClearLabelIfNeeded];
         }
+    }
     for (NSInteger i = 0; i < deleteCount; i++) {
         [proxy deleteBackward];
     }
@@ -271,6 +277,7 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 
 - (void)kb_handleBackspaceLongPressChanged:(UILongPressGestureRecognizer *)gr {
     if (!self.backspaceHoldActive) { return; }
+    if (!self.showClearLabelEnabled) { return; }
     [self kb_showBackspaceClearLabelIfNeeded];
     UIView *hostView = [self kb_hostView];
     if (!hostView) { return; }
@@ -282,7 +289,9 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
 }
 
 - (void)kb_handleBackspaceLongPressEnded:(UILongPressGestureRecognizer *)gr {
-    BOOL shouldClear = self.backspaceClearHighlighted;
+    BOOL shouldClear = NO;
+    if (self.showClearLabelEnabled) {
+        shouldClear = self.backspaceClearHighlighted;
         if (!shouldClear) {
             UIView *hostView = [self kb_hostView];
             CGPoint point = CGPointZero;
@@ -293,6 +302,7 @@ typedef NS_ENUM(NSInteger, KBBackspaceChunkClass) {
             }
             shouldClear = [self kb_isPointInsideBackspaceClearLabel:point];
         }
+    }
     self.backspaceHoldActive = NO;
     self.backspaceChunkModeActive = NO;
     self.backspaceHoldToken += 1;

CustomKeyboard/View/KBFunctionView.m

@@ -865,7 +865,7 @@ static void KBULDarwinCallback(CFNotificationCenterRef center, void *observer, C
         [_deleteButtonInternal setImage:[UIImage imageNamed:@"kb_del_icon"] forState:UIControlStateNormal];
 
         [_deleteButtonInternal addTarget:self action:@selector(onTapDelete) forControlEvents:UIControlEventTouchUpInside];
-        [self.backspaceHandler bindDeleteButton:_deleteButtonInternal];
+        [self.backspaceHandler bindDeleteButton:_deleteButtonInternal showClearLabel:NO];
     }
     return _deleteButtonInternal;
 }

CustomKeyboard/View/KBKeyboardView.m

@@ -93,7 +93,7 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
 #pragma mark - Public
 
 - (void)reloadKeys {
-    [self.backspaceHandler bindDeleteButton:nil];
+    [self.backspaceHandler bindDeleteButton:nil showClearLabel:NO];
     // 移除旧按钮
     for (UIView *row in @[self.row1, self.row2, self.row3, self.row4]) {
         [row.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
@@ -370,7 +370,7 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
         [row addSubview:btn];
 
         if (key.type == KBKeyTypeBackspace) {
-            [self.backspaceHandler bindDeleteButton:btn];
+            [self.backspaceHandler bindDeleteButton:btn showClearLabel:YES];
         }
 
         // Shift 按钮选中态随大小写状态变化