1

CustomKeyboard/View/KBFunctionView.m

@@ -6,6 +6,7 @@
 //
 
 #import "KBFunctionView.h"
+#import "KBResponderUtils.h" // 统一查找 UIInputViewController 的工具
 #import "KBFunctionBarView.h"
 #import "KBFunctionPasteView.h"
 #import "KBFunctionTagCell.h"
@@ -169,7 +170,7 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
     [KBHUD showInfo:@"处理中…"];
 //    return;
     
-    UIInputViewController *ivc = [self findInputViewController];
+    UIInputViewController *ivc = KBFindInputViewController(self);
     if (!ivc) return;
 
     NSString *title = (indexPath.item < self.itemsInternal.count) ? self.itemsInternal[indexPath.item] : @"";
@@ -268,14 +269,14 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
 }
 - (void)onTapDelete {
     NSLog(@"点击：删除");
-    UIInputViewController *ivc = [self findInputViewController];
+    UIInputViewController *ivc = KBFindInputViewController(self);
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
     [proxy deleteBackward];
 }
 - (void)onTapClear {
     NSLog(@"点击：清空");
     // 连续删除：仅清空光标之前的输入（不改动 pasteView 的内容）
-    UIInputViewController *ivc = [self findInputViewController];
+    UIInputViewController *ivc = KBFindInputViewController(self);
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
     // 逐批读取 documentContextBeforeInput 并删除，避免 50 字符窗口限制带来的残留
     NSInteger guard = 0; // 上限保护，避免极端情况下长时间阻塞
@@ -292,7 +293,7 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
 - (void)onTapSend {
     NSLog(@"点击：发送");
     // 发送：插入换行。大多数聊天类 App 会把回车视为“发送”
-    UIInputViewController *ivc = [self findInputViewController];
+    UIInputViewController *ivc = KBFindInputViewController(self);
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
     [proxy insertText:@"\n"];
 }
@@ -417,16 +418,6 @@ static NSString * const kKBFunctionTagCellId = @"KBFunctionTagCellId";
 
 #pragma mark - Find Owner Controller
 
-// 在视图的响应链中查找宿主 UIInputViewController（KeyboardViewController）
-- (UIInputViewController *)findInputViewController {
-    UIResponder *responder = self;
-    while (responder) {
-        if ([responder isKindOfClass:[UIInputViewController class]]) {
-            return (UIInputViewController *)responder;
-        }
-        responder = responder.nextResponder;
-    }
-    return nil;
-}
+// 工具方法已提取到 KBResponderUtils.h
 
 @end