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147 lines
6.6 KiB
C++
147 lines
6.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QDECLARATIVEPROPERTY_P_H
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#define QDECLARATIVEPROPERTY_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qdeclarativeproperty.h"
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#include <qobject_p.h>
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#include <qdeclarativeglobal_p.h>
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#include <qdeclarativepropertycache_p.h>
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#include <qdeclarativeguard_p.h>
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QT_BEGIN_NAMESPACE
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class QDeclarativeContext;
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class QDeclarativeEnginePrivate;
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class QDeclarativeExpression;
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class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativePropertyPrivate : public QDeclarativeRefCount
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{
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public:
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enum WriteFlag { BypassInterceptor = 0x01, DontRemoveBinding = 0x02, RemoveBindingOnAliasWrite = 0x04 };
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Q_DECLARE_FLAGS(WriteFlags, WriteFlag)
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QDeclarativePropertyPrivate()
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: context(0), engine(0), object(0), isNameCached(false) {}
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QDeclarativeContextData *context;
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QDeclarativeEngine *engine;
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QDeclarativeGuard<QObject> object;
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bool isNameCached:1;
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QDeclarativePropertyCache::Data core;
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QString nameCache;
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// Describes the "virtual" value-type sub-property.
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QDeclarativePropertyCache::ValueTypeData valueType;
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void initProperty(QObject *obj, const QString &name);
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void initDefault(QObject *obj);
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bool isValueType() const;
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int propertyType() const;
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QDeclarativeProperty::Type type() const;
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QDeclarativeProperty::PropertyTypeCategory propertyTypeCategory() const;
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QVariant readValueProperty();
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bool writeValueProperty(const QVariant &, WriteFlags);
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static const QMetaObject *rawMetaObjectForType(QDeclarativeEnginePrivate *, int);
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static bool writeEnumProperty(const QMetaProperty &prop, int idx, QObject *object,
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const QVariant &value, int flags);
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static bool write(QObject *, const QDeclarativePropertyCache::Data &, const QVariant &,
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QDeclarativeContextData *, WriteFlags flags = 0);
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static void findAliasTarget(QObject *, int, QObject **, int *);
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static QDeclarativeAbstractBinding *setBinding(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
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QDeclarativeAbstractBinding *,
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WriteFlags flags = DontRemoveBinding);
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static QDeclarativeAbstractBinding *setBindingNoEnable(QObject *, int coreIndex, int valueTypeIndex /* -1 */,
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QDeclarativeAbstractBinding *);
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static QDeclarativeAbstractBinding *binding(QObject *, int coreIndex, int valueTypeIndex /* -1 */);
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static QByteArray saveValueType(const QMetaObject *, int,
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const QMetaObject *, int);
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static QByteArray saveProperty(const QMetaObject *, int);
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static QDeclarativeProperty restore(const QByteArray &, QObject *, QDeclarativeContextData *);
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static QDeclarativeProperty restore(const QDeclarativePropertyCache::Data &,
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const QDeclarativePropertyCache::ValueTypeData &,
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QObject *,
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QDeclarativeContextData *);
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static bool equal(const QMetaObject *, const QMetaObject *);
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static bool canConvert(const QMetaObject *from, const QMetaObject *to);
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// "Public" (to QML) methods
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static QDeclarativeAbstractBinding *binding(const QDeclarativeProperty &that);
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static QDeclarativeAbstractBinding *setBinding(const QDeclarativeProperty &that,
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QDeclarativeAbstractBinding *,
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WriteFlags flags = DontRemoveBinding);
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static QDeclarativeExpression *signalExpression(const QDeclarativeProperty &that);
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static QDeclarativeExpression *setSignalExpression(const QDeclarativeProperty &that,
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QDeclarativeExpression *) ;
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static bool write(const QDeclarativeProperty &that, const QVariant &, WriteFlags);
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static int valueTypeCoreIndex(const QDeclarativeProperty &that);
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static int bindingIndex(const QDeclarativeProperty &that);
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static QMetaMethod findSignalByName(const QMetaObject *mo, const QByteArray &);
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static bool connect(QObject *sender, int signal_index,
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const QObject *receiver, int method_index,
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int type = 0, int *types = 0);
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static const QMetaObject *metaObjectForProperty(const QMetaObject *, int);
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePropertyPrivate::WriteFlags)
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QT_END_NAMESPACE
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#endif // QDECLARATIVEPROPERTY_P_H
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