We will use QUndoStack here

src/historyswitchfoldermanager.cpp

@@ -6,8 +6,11 @@
 
 #include "historyswitchfoldermanager.h"
 
+#include <QUndoStack>
+
 HistorySwitchFolderManager::HistorySwitchFolderManager(QObject *parent)
     : QObject{parent}
+    , mUndoStack(new QUndoStack(this))
 {
 }
 

src/historyswitchfoldermanager.h

@@ -6,7 +6,7 @@
 #pragma once
 
 #include <QObject>
-
+class QUndoStack;
 class HistorySwitchFolderManager : public QObject
 {
     Q_OBJECT
@@ -14,4 +14,6 @@ public:
     explicit HistorySwitchFolderManager(QObject *parent = nullptr);
     ~HistorySwitchFolderManager() override;
     // Add static method
+private:
+    QUndoStack *const mUndoStack;
 };