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Diffstat (limited to 'src/declarative/qml/qdeclarativeaccessors_p.h')
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1 files changed, 0 insertions, 165 deletions
diff --git a/src/declarative/qml/qdeclarativeaccessors_p.h b/src/declarative/qml/qdeclarativeaccessors_p.h deleted file mode 100644 index c52dc537ef..0000000000 --- a/src/declarative/qml/qdeclarativeaccessors_p.h +++ /dev/null @@ -1,165 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative 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 QDECLARATIVEACCESSORS_P_H -#define QDECLARATIVEACCESSORS_P_H - -#include <QtCore/qvector.h> -#include <QtCore/qhash.h> -#include <QtCore/QReadWriteLock> - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -class QObject; -class QDeclarativeNotifier; - -// QML "accessor properties" allow V4 and V8 to bypass Qt's meta system to read and, more -// importantly, subscribe to properties directly. Any property that is primarily read -// from bindings is a candidate for inclusion as an accessor property. -// -// To define accessor properties, use the QML_DECLARE_PROPERTIES() and QML_DEFINE_PROPERTIES() -// macros. The QML_DECLARE_PROPERTIES() macro is used to specify the properties, and the -// QML_DEFINE_PROPERTIES() macro to register the properties with the -// QDeclarativeAccessorProperties singleton. -// -// A class with accessor properties must also add the Q_CLASSINFO("qt_HasQmlAccessors", "true") -// tag to its declaration. This is essential for QML to maintain internal consistency, -// and forgetting to do so will probably cause your application to qFatal() with a -// helpful reminder of this requirement. -// -// It is important that QML_DEFINE_PROPERTIES() has been called before QML ever sees -// the type with the accessor properties. As QML_DEFINE_PROPERTIES() is idempotent, it is -// recommended to call it in the type's constructor as well as when the type is registered -// as a QML element (if it ever is). QML_DEFINE_PROPERTIES() is a very cheap operation -// if registration has already occurred. - -#define QML_DECLARE_PROPERTIES(type) \ - static volatile bool qdeclarative_accessor_properties_isregistered_ ## type = false; \ - static QDeclarativeAccessorProperties::Property qdeclarative_accessor_properties_ ## type[] = - -#define QML_DEFINE_PROPERTIES(type) \ - do { \ - if (!qdeclarative_accessor_properties_isregistered_ ## type) { \ - int count = sizeof(qdeclarative_accessor_properties_ ## type) / \ - sizeof(QDeclarativeAccessorProperties::Property); \ - QDeclarativeAccessorProperties::registerProperties(&type::staticMetaObject, count, \ - qdeclarative_accessor_properties_ ## type);\ - qdeclarative_accessor_properties_isregistered_ ## type = true; \ - } \ - } while (false); - -#define QML_PRIVATE_ACCESSOR(clazz, cpptype, name, variable) \ - static void clazz ## _ ## name ## Read(QObject *o, intptr_t, void *rv) \ - { \ - clazz ## Private *d = clazz ## Private::get(static_cast<clazz *>(o)); \ - *static_cast<cpptype *>(rv) = d->variable; \ - } - -#define QML_PROPERTY_NAME(name) #name, sizeof #name - 1 - -class QDeclarativeAccessors -{ -public: - void (*read)(QObject *object, intptr_t property, void *output); - void (*notifier)(QObject *object, intptr_t property, QDeclarativeNotifier **notifier); -}; - -namespace QDeclarativeAccessorProperties { - struct Property { - const char *name; - unsigned int nameLength; - intptr_t data; - QDeclarativeAccessors *accessors; - }; - - struct Properties { - inline Properties(); - Properties(Property *, int); - - bool operator==(const Properties &o) const { - return count == o.count && properties == o.properties; - } - - inline Property *property(const char *name); - - int count; - Property *properties; - quint32 nameMask; - }; - - Properties properties(const QMetaObject *); - void Q_DECLARATIVE_EXPORT registerProperties(const QMetaObject *, int, Property *); -}; - -QDeclarativeAccessorProperties::Property * -QDeclarativeAccessorProperties::Properties::property(const char *name) -{ - if (count == 0) - return 0; - - unsigned int length = strlen(name); - - Q_ASSERT(length); - - if (nameMask & (1 << qMin(31U, length - 1))) { - - for (int ii = 0; ii < count; ++ii) { - if (properties[ii].nameLength == length && 0 == qstrcmp(name, properties[ii].name)) - return &properties[ii]; - } - - } - - return 0; -} - -QDeclarativeAccessorProperties::Properties::Properties() -: count(0), properties(0), nameMask(0) -{ -} - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // QDECLARATIVEACCESSORS_P_H |