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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit885735d011472bcfbb96e688d9e64553d7fe9d4b (patch)
tree734963625eba643bf11bc4870a4c407809a6400a /src/declarative/qml/qdeclarativeproperty_p.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** 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 QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEPROPERTY_P_H
+#define QDECLARATIVEPROPERTY_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 "qdeclarativeproperty.h"
+
+#include <private/qobject_p.h>
+#include <private/qdeclarativeglobal_p.h>
+#include <private/qdeclarativepropertycache_p.h>
+#include <private/qdeclarativeguard_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeContext;
+class QDeclarativeEnginePrivate;
+class QDeclarativeExpression;
+class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativePropertyPrivate : public QDeclarativeRefCount
+{
+public:
+ enum WriteFlag { BypassInterceptor = 0x01, DontRemoveBinding = 0x02, RemoveBindingOnAliasWrite = 0x04 };
+ Q_DECLARE_FLAGS(WriteFlags, WriteFlag)
+
+ QDeclarativePropertyPrivate()
+ : context(0), engine(0), object(0), isNameCached(false) {}
+
+ QDeclarativeContextData *context;
+ QDeclarativeEngine *engine;
+ QDeclarativeGuard<QObject> object;
+
+ bool isNameCached:1;
+ QDeclarativePropertyCache::Data core;
+ QString nameCache;
+
+ // Describes the "virtual" value-type sub-property.
+ QDeclarativePropertyCache::ValueTypeData valueType;
+
+ void initProperty(QObject *obj, const QString &name);
+ void initDefault(QObject *obj);
+
+ bool isValueType() const;
+ int propertyType() const;
+ QDeclarativeProperty::Type type() const;
+ QDeclarativeProperty::PropertyTypeCategory propertyTypeCategory() const;
+
+ QVariant readValueProperty();
+ bool writeValueProperty(const QVariant &, WriteFlags);
+
+ static const QMetaObject *rawMetaObjectForType(QDeclarativeEnginePrivate *, int);
+ static bool writeEnumProperty(const QMetaProperty &prop, int idx, QObject *object,
+ const QVariant &value, int flags);
+ static bool write(QObject *, const QDeclarativePropertyCache::Data &, const QVariant &,
+ QDeclarativeContextData *, WriteFlags flags = 0);
+ static void findAliasTarget(QObject *, int, QObject **, int *);
+ static QDeclarativeAbstractBinding *setBinding(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
+ QDeclarativeAbstractBinding *,
+ WriteFlags flags = DontRemoveBinding);
+ static QDeclarativeAbstractBinding *setBindingNoEnable(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
+ QDeclarativeAbstractBinding *);
+ static QDeclarativeAbstractBinding *binding(QObject *, int coreIndex, int valueTypeIndex /* -1 */);
+
+ static QByteArray saveValueType(const QMetaObject *, int,
+ const QMetaObject *, int);
+ static QByteArray saveProperty(const QMetaObject *, int);
+
+ static QDeclarativeProperty restore(const QByteArray &, QObject *, QDeclarativeContextData *);
+ static QDeclarativeProperty restore(const QDeclarativePropertyCache::Data &,
+ const QDeclarativePropertyCache::ValueTypeData &,
+ QObject *,
+ QDeclarativeContextData *);
+
+ static bool equal(const QMetaObject *, const QMetaObject *);
+ static bool canConvert(const QMetaObject *from, const QMetaObject *to);
+
+ // "Public" (to QML) methods
+ static QDeclarativeAbstractBinding *binding(const QDeclarativeProperty &that);
+ static QDeclarativeAbstractBinding *setBinding(const QDeclarativeProperty &that,
+ QDeclarativeAbstractBinding *,
+ WriteFlags flags = DontRemoveBinding);
+ static QDeclarativeExpression *signalExpression(const QDeclarativeProperty &that);
+ static QDeclarativeExpression *setSignalExpression(const QDeclarativeProperty &that,
+ QDeclarativeExpression *) ;
+ static bool write(const QDeclarativeProperty &that, const QVariant &, WriteFlags);
+ static int valueTypeCoreIndex(const QDeclarativeProperty &that);
+ static int bindingIndex(const QDeclarativeProperty &that);
+ static QMetaMethod findSignalByName(const QMetaObject *mo, const QByteArray &);
+ static bool connect(const QObject *sender, int signal_index,
+ const QObject *receiver, int method_index,
+ int type = 0, int *types = 0);
+ static const QMetaObject *metaObjectForProperty(const QMetaObject *, int);
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePropertyPrivate::WriteFlags)
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEPROPERTY_P_H