TnootkaQML keeps QML engine set in main

src/libs/core/tnootkaqml.cpp

@@ -431,6 +431,11 @@ qreal TnootkaQML::bound(qreal min, qreal val, qreal max) {
 }
 
 
+void TnootkaQML::setQmlEngine(QQmlEngine* e) {
+  m_qmlEngine = e;
+}
+
+
 //#################################################################################################
 //###################     CONNECTIONS  NODE            ############################################
 //#################################################################################################

src/libs/core/tnootkaqml.h

@@ -33,6 +33,7 @@
 class TcommonInstrument;
 class TscoreObject;
 class QQuickItem;
+class QQmlEngine;
 
 
 #define   NOO   TnootkaQML::instance()
@@ -125,7 +126,9 @@ public:
 
   Q_INVOKABLE QString pixToHtml(const QString& pixName, int height = 0);
 
-      /** Calls @p QDesktopServices::openUrl with Nootka site doc at given @p hash */
+      /**
+       * Calls @p QDesktopServices::openUrl with Nootka site doc at given @p hash
+       */
   Q_INVOKABLE  void openHelpLink(const QString& hash);
 
   Q_INVOKABLE qreal bound(qreal min, qreal val, qreal max);
@@ -133,6 +136,12 @@ public:
   bool resetConfig() const { return m_resetConfig; }
   Q_INVOKABLE void setResetConfig(bool rc) { m_resetConfig = rc; }
 
+      /**
+       * Main @p QQmlEngine created at very beginning of Nootka launch
+       */
+  QQmlEngine* qmlEngine() { return m_qmlEngine; }
+  void setQmlEngine(QQmlEngine* e);
+
 /**
  * All stuff below is responsible for handling note changes in score, instrument and sound in/out.
  * @p TnootkaQML has score and instrument pointers to handle theirs signals when note is changed,
@@ -191,6 +200,7 @@ private:
   bool                           m_nodeConnected = false;
   bool                           m_ignoreScore = false; /**< Becomes @p TRUE to ignore @p scoreChangedNote() slot  */
   bool                           m_resetConfig = false;
+  QQmlEngine                    *m_qmlEngine = nullptr;
 };
 
 #endif // TNOOTKAQML_H

src/main.cpp

@@ -134,6 +134,7 @@ int main(int argc, char *argv[])
     e->rootContext()->setContextProperty(QStringLiteral("Noo"), &nooObj);
     e->rootContext()->setContextProperty(QStringLiteral("SOUND"), &sound);
     if (GLOB->isFirstRun) {
+      nooObj.setQmlEngine(e);
       e->load(QUrl(QStringLiteral("qrc:/wizard/Wizard.qml")));
       exitCode = a->exec();
       delete e;
@@ -143,6 +144,7 @@ int main(int argc, char *argv[])
       e->rootContext()->setContextProperty(QStringLiteral("SOUND"), &sound);
       GLOB->isFirstRun = false;
     }
+    nooObj.setQmlEngine(e);
     qmlRegisterType<TnameItem>("Nootka.Main", 1, 0, "TnameItem");
     qmlRegisterType<TmainScoreObject>("Nootka.Main", 1, 0, "TmainScoreObject");
     qmlRegisterType<TdialogLoaderObject>("Nootka.Dialogs", 1, 0, "TdialogObject");