diff options
author | João Abecasis <joao.abecasis@nokia.com> | 2012-01-31 17:35:00 +0100 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-02-09 00:32:41 +0100 |
commit | 0c978407088fdbd15dc185aef7506087a88e1443 (patch) | |
tree | a8b2e21e5cd52fa615fce085acbe4439782bf365 /src/corelib/kernel/qmetatype.h | |
parent | 14577726ee97c8d6dd176e0039ab2da0193c7bb1 (diff) |
Introduce Q_DECLARE_OPAQUE_POINTER
To hide the IsPointerToTypeDerivedFromQObject monstruosity :-)
Documentation for Q_DECLARE_METATYPE and qRegisterMetaType was updated
to mention requirements on registered types and how they can be
circumvented for pointer types with the new macro.
Change-Id: If83b037a8e2f28761eb903525e87008107298801
Reviewed-by: Harald Fernengel <harald.fernengel@nokia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Diffstat (limited to 'src/corelib/kernel/qmetatype.h')
-rw-r--r-- | src/corelib/kernel/qmetatype.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index fd27bb81de..9e702298c1 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -471,6 +471,16 @@ inline int qRegisterMetaTypeStreamOperators() } #endif +#define Q_DECLARE_OPAQUE_POINTER(POINTER) \ + QT_BEGIN_NAMESPACE namespace QtPrivate { \ + template <> \ + struct IsPointerToTypeDerivedFromQObject<POINTER > \ + { \ + enum { Value = false }; \ + }; \ + } QT_END_NAMESPACE \ + /**/ + #define Q_DECLARE_METATYPE(TYPE) \ QT_BEGIN_NAMESPACE \ template <> \ |