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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/qdeclarativevmemetaobject_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 QDECLARATIVEVMEMETAOBJECT_P_H
+#define QDECLARATIVEVMEMETAOBJECT_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 "qdeclarative.h"
+
+#include <QtCore/QMetaObject>
+#include <QtCore/QBitArray>
+#include <QtCore/QPair>
+#include <QtGui/QColor>
+#include <QtCore/QDate>
+#include <QtCore/qlist.h>
+#include <QtCore/qdebug.h>
+
+#include <private/qobject_p.h>
+
+#include "private/qdeclarativeguard_p.h"
+#include "private/qdeclarativecompiler_p.h"
+#include "private/qdeclarativecontext_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#define QML_ALIAS_FLAG_PTR 0x00000001
+
+struct QDeclarativeVMEMetaData
+{
+ short propertyCount;
+ short aliasCount;
+ short signalCount;
+ short methodCount;
+
+ struct AliasData {
+ int contextIdx;
+ int propertyIdx;
+ int flags;
+
+ bool isObjectAlias() const {
+ return propertyIdx == -1;
+ }
+ bool isPropertyAlias() const {
+ return !isObjectAlias() && !(propertyIdx & 0xFF000000);
+ }
+ bool isValueTypeAlias() const {
+ return !isObjectAlias() && (propertyIdx & 0xFF000000);
+ }
+ int propertyIndex() const {
+ return propertyIdx & 0x0000FFFF;
+ }
+ int valueTypeIndex() const {
+ return (propertyIdx & 0x00FF0000) >> 16;
+ }
+ int valueType() const {
+ return ((unsigned int)propertyIdx) >> 24;
+ }
+ };
+
+ struct PropertyData {
+ int propertyType;
+ };
+
+ struct MethodData {
+ int parameterCount;
+ int bodyOffset;
+ int bodyLength;
+ int lineNumber;
+ };
+
+ PropertyData *propertyData() const {
+ return (PropertyData *)(((const char *)this) + sizeof(QDeclarativeVMEMetaData));
+ }
+
+ AliasData *aliasData() const {
+ return (AliasData *)(propertyData() + propertyCount);
+ }
+
+ MethodData *methodData() const {
+ return (MethodData *)(aliasData() + aliasCount);
+ }
+};
+
+class QDeclarativeVMEVariant;
+class QDeclarativeRefCount;
+class QDeclarativeVMEMetaObject : public QAbstractDynamicMetaObject
+{
+public:
+ QDeclarativeVMEMetaObject(QObject *obj, const QMetaObject *other, const QDeclarativeVMEMetaData *data,
+ QDeclarativeCompiledData *compiledData);
+ ~QDeclarativeVMEMetaObject();
+
+ bool aliasTarget(int index, QObject **target, int *coreIndex, int *valueTypeIndex) const;
+ void registerInterceptor(int index, int valueIndex, QDeclarativePropertyValueInterceptor *interceptor);
+ QScriptValue vmeMethod(int index);
+ int vmeMethodLineNumber(int index);
+ void setVmeMethod(int index, const QScriptValue &);
+ QScriptValue vmeProperty(int index);
+ void setVMEProperty(int index, const QScriptValue &);
+
+ void connectAliasSignal(int index);
+
+protected:
+ virtual int metaCall(QMetaObject::Call _c, int _id, void **_a);
+
+private:
+ QObject *object;
+ QDeclarativeCompiledData *compiledData;
+ QDeclarativeGuardedContextData ctxt;
+
+ const QDeclarativeVMEMetaData *metaData;
+ int propOffset;
+ int methodOffset;
+
+ QDeclarativeVMEVariant *data;
+
+ void connectAlias(int aliasId);
+ QBitArray aConnected;
+ QBitArray aInterceptors;
+ QHash<int, QPair<int, QDeclarativePropertyValueInterceptor*> > interceptors;
+
+ QScriptValue *methods;
+ QScriptValue method(int);
+
+ QScriptValue readVarProperty(int);
+ QVariant readVarPropertyAsVariant(int);
+ void writeVarProperty(int, const QScriptValue &);
+ void writeVarProperty(int, const QVariant &);
+
+ QAbstractDynamicMetaObject *parent;
+
+ void listChanged(int);
+ class List : public QList<QObject*>
+ {
+ public:
+ List(int lpi) : notifyIndex(lpi) {}
+ int notifyIndex;
+ };
+ QList<List> listProperties;
+
+ static void list_append(QDeclarativeListProperty<QObject> *, QObject *);
+ static int list_count(QDeclarativeListProperty<QObject> *);
+ static QObject *list_at(QDeclarativeListProperty<QObject> *, int);
+ static void list_clear(QDeclarativeListProperty<QObject> *);
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEVMEMETAOBJECT_P_H