Fixed menu bar being merged with native in osx

main.cpp

@@ -3,9 +3,14 @@
 
 int main(int argc, char *argv[])
 {
+    // MacOS directive to prevent the menu bar from being merged into the native bar
+    // i.e. it's in the window, and not the top left of the screen
+    QCoreApplication::setAttribute(Qt::AA_DontUseNativeMenuBar);
+
     QApplication a(argc, argv);
     MainWindow w;
     w.show();
 
     return a.exec();
+
 }