键盘添加撤销操作

CustomKeyboard/View/KBFunctionView.m

@@ -26,6 +26,7 @@
 #import <MJExtension/MJExtension.h>
 #import "KBBizCode.h"
 #import "KBBackspaceLongPressHandler.h"
+#import "KBBackspaceUndoManager.h"
 
 @interface KBFunctionView () <KBFunctionBarViewDelegate, KBStreamOverlayViewDelegate, KBFunctionTagListViewDelegate>
 // UI
@@ -769,6 +770,7 @@ static void KBULDarwinCallback(CFNotificationCenterRef center, void *observer, C
 }
     - (void)onTapDelete {
     NSLog(@"点击：删除");
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
     UIInputViewController *ivc = KBFindInputViewController(self);
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
     [proxy deleteBackward];
@@ -779,6 +781,7 @@ static void KBULDarwinCallback(CFNotificationCenterRef center, void *observer, C
 }
     - (void)onTapSend {
     NSLog(@"点击：发送");
+    [[KBBackspaceUndoManager shared] registerNonClearAction];
     // 发送：插入换行。大多数聊天类 App 会把回车视为“发送”
     UIInputViewController *ivc = KBFindInputViewController(self);
     id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;