From 19ce57e6801be0bf8ecee399b98d196700e94c22 Mon Sep 17 00:00:00 2001
From: Siegfried Siegert <s.siegert@atb-online.eu>
Date: Thu, 29 Feb 2024 08:56:59 +0100
Subject: [PATCH] PersistentData: save only if data has changed

---
 src/ATBAPP/support/PersistentData.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ATBAPP/support/PersistentData.cpp b/src/ATBAPP/support/PersistentData.cpp
index cfcf305..e3b70ce 100644
--- a/src/ATBAPP/support/PersistentData.cpp
+++ b/src/ATBAPP/support/PersistentData.cpp
@@ -30,7 +30,10 @@ PersistentData::PersistentData(const QString &datafileName, QObject *parent)
 
 void PersistentData::serializeToFile()
 {
-    this->save();
+    if (this->isChangedFlag) {
+        qCritical() << "PersistentData::isChanged -> save";
+        this->save();
+    }
 }
 
 void PersistentData::save()
@@ -44,6 +47,8 @@ void PersistentData::save()
         out << this->hash;
         fileOut.flush();
         fileOut.close();
+
+        this->isChangedFlag = false;
     }
 }