A QObject needs to be the first parent of a class using the Q_OBJECT macro.

cac6198c · Bryant · 9f9d21bc · cac6198c
Commit cac6198c authored Jul 21, 2014 by Bryant
--- a/libs/thirdParty/3DMouse/win/Mouse3DInput.h
+++ b/libs/thirdParty/3DMouse/win/Mouse3DInput.h
@@ -34,7 +34,7 @@
 	Qt is compiled for Win 2000 targets.
 */

-class Mouse3DInput : public QAbstractNativeEventFilter, public QObject
+class Mouse3DInput : public QObject, public QAbstractNativeEventFilter
 {
 	Q_OBJECT
 public: