diff options
author | Jędrzej Nowacki <jedrzej.nowacki@nokia.com> | 2011-10-20 11:42:40 +0200 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2011-11-09 10:11:09 +0100 |
commit | eda469d3a093b488d3cff64e0f8e3c69d34bf84a (patch) | |
tree | a13a14b1dcbe1622814f833373a75a524acc796b /src | |
parent | 7f35d5849e7233efac16c12271c58a049923b1c0 (diff) |
Add QTypeModuleInfo template class
From time to time it is necessary to know from which module a type comes
from. This information couldn't be part of QTypeInfo as id doesn't work
for forward declared types.
QTypeModuleInfo should stay for Qt internal usage only.
Change-Id: Ia53747c88293fc0cdaffef919b94c653412779d3
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/corelib/kernel/kernel.pri | 3 | ||||
-rw-r--r-- | src/corelib/kernel/qmetatype_p.h | 116 |
2 files changed, 118 insertions, 1 deletions
diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri index 532994151d..9b656d8b9b 100644 --- a/src/corelib/kernel/kernel.pri +++ b/src/corelib/kernel/kernel.pri @@ -36,7 +36,8 @@ HEADERS += \ kernel/qsystemsemaphore_p.h \ kernel/qfunctions_p.h \ kernel/qmath.h \ - kernel/qsystemerror_p.h + kernel/qsystemerror_p.h \ + kernel/qmetatype_p.h SOURCES += \ kernel/qabstracteventdispatcher.cpp \ diff --git a/src/corelib/kernel/qmetatype_p.h b/src/corelib/kernel/qmetatype_p.h new file mode 100644 index 0000000000..521e8ff1ac --- /dev/null +++ b/src/corelib/kernel/qmetatype_p.h @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMETATYPE_P_H +#define QMETATYPE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qmetatype.h" + +QT_BEGIN_NAMESPACE + +enum { /* TYPEMODULEINFO flags */ + Q_CORE_TYPE = 1, + Q_GUI_TYPE = 2, + Q_WIDGET_TYPE = 3 +}; + +template <typename T> +class QTypeModuleInfo +{ +public: + enum Module { + IsCore = !QTypeInfo<T>::isComplex, // Primitive types are in Core + IsWidget = false, + IsGui = false, + IsUnknown = !IsCore + }; + static inline int module() { return IsCore ? Q_CORE_TYPE : 0; } +}; + +#define QT_ASSIGN_TYPE_TO_MODULE(TYPE, MODULE) \ +template<> \ +class QTypeModuleInfo<TYPE > \ +{ \ +public: \ + enum Module { \ + IsCore = (((MODULE) == (Q_CORE_TYPE))), \ + IsWidget = (((MODULE) == (Q_WIDGET_TYPE))), \ + IsGui = (((MODULE) == (Q_GUI_TYPE))), \ + IsUnknown = !(IsCore || IsWidget || IsGui) \ + }; \ + static inline int module() { return MODULE; } \ + Q_STATIC_ASSERT((IsUnknown && !(IsCore || IsWidget || IsGui)) \ + || (IsCore && !(IsUnknown || IsWidget || IsGui)) \ + || (IsWidget && !(IsUnknown || IsCore || IsGui)) \ + || (IsGui && !(IsUnknown || IsCore || IsWidget))); \ +}; + + +#define QT_DECLARE_CORE_MODULE_TYPES_ITER(TypeName, TypeId, Name) \ + QT_ASSIGN_TYPE_TO_MODULE(Name, Q_CORE_TYPE); +#define QT_DECLARE_GUI_MODULE_TYPES_ITER(TypeName, TypeId, Name) \ + QT_ASSIGN_TYPE_TO_MODULE(Name, Q_GUI_TYPE); +#define QT_DECLARE_WIDGETS_MODULE_TYPES_ITER(TypeName, TypeId, Name) \ + QT_ASSIGN_TYPE_TO_MODULE(Name, Q_WIDGET_TYPE); + +QT_FOR_EACH_STATIC_CORE_CLASS(QT_DECLARE_CORE_MODULE_TYPES_ITER) +QT_FOR_EACH_STATIC_CORE_TEMPLATE(QT_DECLARE_CORE_MODULE_TYPES_ITER) +QT_FOR_EACH_STATIC_GUI_CLASS(QT_DECLARE_GUI_MODULE_TYPES_ITER) +QT_FOR_EACH_STATIC_WIDGETS_CLASS(QT_DECLARE_WIDGETS_MODULE_TYPES_ITER) + +#undef QT_DECLARE_CORE_MODULE_TYPES_ITER +#undef QT_DECLARE_GUI_MODULE_TYPES_ITER +#undef QT_DECLARE_WIDGETS_MODULE_TYPES_ITER + +QT_END_NAMESPACE + +#endif // QMETATYPE_P_H |