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-rw-r--r--src/corelib/kernel/qobjectdefs.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/corelib/kernel/qobjectdefs.h b/src/corelib/kernel/qobjectdefs.h
index afbe1a5ece..7354c3f0d0 100644
--- a/src/corelib/kernel/qobjectdefs.h
+++ b/src/corelib/kernel/qobjectdefs.h
@@ -125,7 +125,7 @@ class QString;
/* qmake ignore Q_OBJECT */
#define Q_OBJECT_CHECK \
- template <typename T> inline void qt_check_for_QOBJECT_macro(const T &_q_argument) const \
+ template <typename ThisObject> inline void qt_check_for_QOBJECT_macro(const ThisObject &_q_argument) const \
{ int i = qYouForgotTheQ_OBJECT_Macro(this, &_q_argument); i = i + 1; }
template <typename T>
@@ -456,6 +456,7 @@ class Q_CORE_EXPORT QMetaObject::Connection {
void *d_ptr; //QObjectPrivate::Connection*
explicit Connection(void *data) : d_ptr(data) { }
friend class QObject;
+ friend class QObjectPrivate;
friend struct QMetaObject;
public:
~Connection();
@@ -479,6 +480,16 @@ public:
inline const QMetaObject *QMetaObject::superClass() const
{ return d.superdata; }
+namespace QtPrivate {
+ /* Trait that tells is a the Object has a Q_OBJECT macro */
+ template <typename Object> struct HasQ_OBJECT_Macro {
+ template <typename T>
+ static char test(int (T::*)(QMetaObject::Call, int, void **));
+ static int test(int (Object::*)(QMetaObject::Call, int, void **));
+ enum { Value = sizeof(test(&Object::qt_metacall)) == sizeof(int) };
+ };
+}
+
QT_END_NAMESPACE
#endif // QOBJECTDEFS_H