From 5ae3af6cbfb0ab0531ce012120026ff7d3bb8829 Mon Sep 17 00:00:00 2001
From: Michael Zanetti <michael_zanetti@gmx.net>
Date: Sun, 1 Dec 2019 13:35:02 +0100
Subject: [PATCH] Only install our filter once

---
 libnymea-core/scriptengine/scriptengine.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libnymea-core/scriptengine/scriptengine.cpp b/libnymea-core/scriptengine/scriptengine.cpp
index c11b7945..1c557f1e 100644
--- a/libnymea-core/scriptengine/scriptengine.cpp
+++ b/libnymea-core/scriptengine/scriptengine.cpp
@@ -75,7 +75,9 @@ ScriptEngine::ScriptEngine(DeviceManager *deviceManager, QObject *parent) : QObj
 
     // console.log()/warn() messages instead are printed to the "qml" category. We install our own
     // filter to *always* get them, regardless of the configured logging categories
-    s_oldCategoryFilter = QLoggingCategory::installFilter(&logCategoryFilter);
+    if (!s_oldCategoryFilter) {
+        s_oldCategoryFilter = QLoggingCategory::installFilter(&logCategoryFilter);
+    }
     // and our own handler to redirect them to the ScriptEngine category
     if (s_engines.isEmpty()) {
         s_upstreamMessageHandler = qInstallMessageHandler(&logMessageHandler);