1

keyBoard/Class/Home/V/KBPanModalView.m

@@ -445,13 +445,19 @@
         _dragArrowImageView.contentMode = UIViewContentModeScaleAspectFit;
         // 初始在 Short 状态，显示向上的箭头
         _dragArrowImageView.image = [UIImage imageNamed:@"home_up_arrow"];
+        // 可点击：点击根据箭头方向在“最高/最低”之间切换
+        _dragArrowImageView.userInteractionEnabled = YES;
+        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(kb_onTapDragArrow)];
+        [_dragArrowImageView addGestureRecognizer:tap];
     }
     return _dragArrowImageView;
 }
 
 // 根据弹窗展示状态切换箭头图
 - (void)kb_updateDragArrowForState:(PresentationState)state {
-    NSString *imgName = (state == PresentationStateMedium) ? @"home_down_arrow" : @"home_up_arrow";
+    // 视为“最高态”的状态：Medium 或 Long（当两者高度一致时，库可能标记为 Long）
+    BOOL isAtTop = (state == PresentationStateMedium || state == PresentationStateLong);
+    NSString *imgName = isAtTop ? @"home_down_arrow" : @"home_up_arrow";
     UIImage *img = [UIImage imageNamed:imgName];
     if (img && self.dragArrowImageView.image != img) {
         // 柔和切换，避免频繁拖拽时突兀
@@ -464,6 +470,22 @@
     }
 }
 
+/// 点击顶部拖拽方向箭头：
+/// - 当箭头朝上（当前非最高态），点击切换到最高态（Medium）。
+/// - 当箭头朝下（当前最高态），点击切换到最低态（Short）。
+- (void)kb_onTapDragArrow {
+    // 以当前展示状态为准做切换
+    PresentationState state = self.hw_presentationState;
+    BOOL isAtTop = (state == PresentationStateMedium || state == PresentationStateLong);
+    if (isAtTop) {
+        // 已在最高态 -> 切到最低态
+        [self hw_panModalTransitionTo:PresentationStateShort];
+    } else {
+        // 不在最高态 -> 切到最高态
+        [self hw_panModalTransitionTo:PresentationStateMedium];
+    }
+}
+
 
 - (UIImageView *)leftBgImageView{
     if (!_leftBgImageView) {