From d306f9c1587829bd6c15678515437fb590f4a0fa Mon Sep 17 00:00:00 2001
From: Michael Zanetti <michael_zanetti@gmx.net>
Date: Sun, 4 Jul 2021 13:39:46 +0200
Subject: [PATCH] Fix an occational crash in logsmodel

---
 libnymea-app/models/logsmodelng.cpp | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/libnymea-app/models/logsmodelng.cpp b/libnymea-app/models/logsmodelng.cpp
index c62a653b..2f472916 100644
--- a/libnymea-app/models/logsmodelng.cpp
+++ b/libnymea-app/models/logsmodelng.cpp
@@ -53,10 +53,19 @@ Engine *LogsModelNg::engine() const
 
 void LogsModelNg::setEngine(Engine *engine)
 {
-    if (m_engine != engine) {
-        m_engine = engine;
-        connect(engine->logManager(), &LogManager::logEntryReceived, this, &LogsModelNg::newLogEntryReceived);
-        emit engineChanged();
+    if (m_engine == engine) {
+        return;
+    }
+
+    if (m_engine) {
+        disconnect(m_engine->logManager(), &LogManager::logEntryReceived, this, &LogsModelNg::newLogEntryReceived);
+    }
+
+    m_engine = engine;
+    emit engineChanged();
+
+    if (m_engine) {
+        connect(m_engine->logManager(), &LogManager::logEntryReceived, this, &LogsModelNg::newLogEntryReceived);
     }
 }