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-rw-r--r--src/corelib/kernel/qvariant.h41
1 files changed, 15 insertions, 26 deletions
diff --git a/src/corelib/kernel/qvariant.h b/src/corelib/kernel/qvariant.h
index eb4fb56..3c10788 100644
--- a/src/corelib/kernel/qvariant.h
+++ b/src/corelib/kernel/qvariant.h
@@ -456,10 +456,11 @@ template <typename T>
inline void qVariantSetValue(QVariant &v, const T &t)
{
//if possible we reuse the current QVariant private
- const int type = qMetaTypeId<T>(reinterpret_cast<T *>(0));
+ const uint type = qMetaTypeId<T>(reinterpret_cast<T *>(0));
QVariant::Private &d = v.data_ptr();
- if (v.isDetached() && (type <= int(QVariant::Char) || type == d.type)) {
+ if (v.isDetached() && (type <= uint(QVariant::Char) || type == d.type)) {
d.type = type;
+ d.is_null = false;
T *old = reinterpret_cast<T*>(d.is_shared ? d.data.shared->ptr : &d.data.ptr);
if (QTypeInfo<T>::isComplex)
old->~T();
@@ -469,6 +470,13 @@ inline void qVariantSetValue(QVariant &v, const T &t)
}
}
+template <>
+inline void qVariantSetValue<QVariant>(QVariant &v, const QVariant &t)
+{
+ v = t;
+}
+
+
inline QVariant::QVariant() {}
inline bool QVariant::isValid() const { return d.type != Invalid; }
@@ -558,9 +566,7 @@ inline bool operator!=(const QVariant &v1, const QVariantComparisonHelper &v2)
#endif
#ifndef QT_MOC
-#if !defined qdoc && defined Q_CC_MSVC && _MSC_VER < 1300
-
-template<typename T> T qvariant_cast(const QVariant &v, T * = 0)
+template<typename T> inline T qvariant_cast(const QVariant &v)
{
const int vid = qMetaTypeId<T>(static_cast<T *>(0));
if (vid == v.userType())
@@ -573,28 +579,12 @@ template<typename T> T qvariant_cast(const QVariant &v, T * = 0)
return T();
}
-template<typename T>
-inline T qVariantValue(const QVariant &variant, T *t = 0)
-{ return qvariant_cast<T>(variant, t); }
-
-template<typename T>
-inline bool qVariantCanConvert(const QVariant &variant, T *t = 0)
-{
- return variant.canConvert(static_cast<QVariant::Type>(qMetaTypeId<T>(t)));
-}
-#else
-
-template<typename T> T qvariant_cast(const QVariant &v)
+template<> inline QVariant qvariant_cast<QVariant>(const QVariant &v)
{
- const int vid = qMetaTypeId<T>(static_cast<T *>(0));
+ static const int vid = qRegisterMetaType<QVariant>("QVariant");
if (vid == v.userType())
- return *reinterpret_cast<const T *>(v.constData());
- if (vid < int(QMetaType::User)) {
- T t;
- if (qvariant_cast_helper(v, QVariant::Type(vid), &t))
- return t;
- }
- return T();
+ return *reinterpret_cast<const QVariant *>(v.constData());
+ return v;
}
template<typename T>
@@ -608,7 +598,6 @@ inline bool qVariantCanConvert(const QVariant &variant)
qMetaTypeId<T>(static_cast<T *>(0))));
}
#endif
-#endif
Q_DECLARE_SHARED(QVariant)
Q_DECLARE_TYPEINFO(QVariant, Q_MOVABLE_TYPE);