File indexing completed on 2024-04-28 05:38:41

 #include <QtCore/QObject>
 
 class MyObject_hasEventFilter : public QObject
 {
 protected:
     bool eventFilter(QObject *, QEvent *) override;
 };
 
 class MyObject_doesntHaveEventFilter : public QObject
 {
 };
 
 class Obj : public QObject
 {
 public:
     Obj(MyObject_hasEventFilter* other)
     {
         other->installEventFilter(this);  // OK
         other->installEventFilter(other); // OK
         installEventFilter(other); // OK
         installEventFilter(this); // Warning
         this->installEventFilter(other); // OK
     }
 
     void test2(MyObject_doesntHaveEventFilter *other)
     {
         other->installEventFilter(this); // OK
         other->installEventFilter(other); // OK
         installEventFilter(this); // Warning
         this->installEventFilter(other);  // Warning
         installEventFilter(other); // Warning
     }
 };
 
 class DerivedDerived : public Obj {};
 class DerivedDerived2 : public MyObject_hasEventFilter {};
 
 class TestBiggerHierarchy : public QObject
 {
     void test(DerivedDerived *d1, DerivedDerived2 *d2)
     {
         installEventFilter(d1); // Warning
         installEventFilter(d2); // OK
     }
 };