fun：添加Loading窗口。

Struct/InfoMsg.h

@@ -9,23 +9,34 @@
 
 struct InfoMsg {
     qint32 mark{};
+    QString command;
     QString msg;
     QString fromPath;
     QString toPath;
     quint64 size{};
     quint32 permissions{};
+    QVector<QString> list;
 
     void serialize(QDataStream& data) const
     {
-        data << mark << msg << fromPath << toPath << size << permissions;
+        data << mark << command << msg << fromPath << toPath << size << permissions;
+        data << list.size();
+        for (const auto& item : list) {
+            data << item;
+        }
     }
 
     void deserialize(QDataStream& data)
     {
-        data >> mark >> msg >> fromPath >> toPath >> size >> permissions;
+        data >> mark >> command >> msg >> fromPath >> toPath >> size >> permissions;
+        qint32 listSize;
+        data >> listSize;
+        list.resize(listSize);
+        for (auto& item : list) {
+            data >> item;
+        }
     }
 };
-
 QDataStream& operator<<(QDataStream& data, const InfoMsg& info);
 QDataStream& operator>>(QDataStream& data, InfoMsg& info);