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-rw-r--r--src/corelib/kernel/qpointer.h56
1 files changed, 22 insertions, 34 deletions
diff --git a/src/corelib/kernel/qpointer.h b/src/corelib/kernel/qpointer.h
index 385bc2814b..230b6b66eb 100644
--- a/src/corelib/kernel/qpointer.h
+++ b/src/corelib/kernel/qpointer.h
@@ -50,56 +50,44 @@ QT_BEGIN_NAMESPACE
class QVariant;
-class QPointerBase
-{
- QWeakPointer<QObject> wp;
-
-protected:
- inline QPointerBase() : wp() { }
- inline QPointerBase(QObject *p) : wp(p, true) { }
- // compiler-generated copy/move ctor/assignment operators are fine! (even though public)
- inline ~QPointerBase() { }
-
- inline QObject* data() const
- { return wp.data(); }
-
- inline void assign(QObject *p)
- { wp.assign(p); }
-
- inline bool isNull() const
- { return wp.isNull(); }
-
- inline void clear()
- { wp.clear(); }
-};
-
template <class T>
-class QPointer : private QPointerBase
+class QPointer
{
+ template<typename U>
+ struct TypeSelector
+ {
+ typedef QObject Type;
+ };
+ template<typename U>
+ struct TypeSelector<const U>
+ {
+ typedef const QObject Type;
+ };
+ typedef typename TypeSelector<T>::Type QObjectType;
+ QWeakPointer<QObjectType> wp;
public:
inline QPointer() { }
- inline QPointer(T *p) : QPointerBase(p) { }
+ inline QPointer(T *p) : wp(p, true) { }
// compiler-generated copy/move ctor/assignment operators are fine!
inline ~QPointer() { }
inline QPointer<T> &operator=(T* p)
- { QPointerBase::assign(p); return *this; }
+ { wp.assign(static_cast<QObjectType*>(p)); return *this; }
inline T* data() const
- { return static_cast<T*>(QPointerBase::data()); }
+ { return static_cast<T*>( wp.data()); }
inline T* operator->() const
{ return data(); }
inline T& operator*() const
{ return *data(); }
inline operator T*() const
{ return data(); }
-#ifdef Q_QDOC
- inline bool isNull() const;
- inline void clear();
-#else
- using QPointerBase::isNull;
- using QPointerBase::clear;
-#endif
+
+ inline bool isNull() const
+ { return wp.isNull(); }
+
+ inline void clear()
+ { wp.clear(); }
};
template <class T> Q_DECLARE_TYPEINFO_BODY(QPointer<T>, Q_MOVABLE_TYPE);