/**************************************************************************** | |
** | |
** 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** 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. | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef QDECLARATIVEEXPRESSION_H | |
#define QDECLARATIVEEXPRESSION_H | |
#include <QtDeclarative/qdeclarativeerror.h> | |
#include <QtCore/qobject.h> | |
#include <QtCore/qvariant.h> | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
QT_MODULE(Declarative) | |
class QString; | |
class QDeclarativeRefCount; | |
class QDeclarativeEngine; | |
class QDeclarativeContext; | |
class QDeclarativeExpressionPrivate; | |
class QDeclarativeContextData; | |
class QScriptValue; | |
class Q_DECLARATIVE_EXPORT QDeclarativeExpression : public QObject | |
{ | |
Q_OBJECT | |
public: | |
QDeclarativeExpression(); | |
QDeclarativeExpression(QDeclarativeContext *, QObject *, const QString &, QObject * = 0); | |
virtual ~QDeclarativeExpression(); | |
QDeclarativeEngine *engine() const; | |
QDeclarativeContext *context() const; | |
QString expression() const; | |
void setExpression(const QString &); | |
bool notifyOnValueChanged() const; | |
void setNotifyOnValueChanged(bool); | |
QString sourceFile() const; | |
int lineNumber() const; | |
void setSourceLocation(const QString &fileName, int line); | |
QObject *scopeObject() const; | |
bool hasError() const; | |
void clearError(); | |
QDeclarativeError error() const; | |
QVariant evaluate(bool *valueIsUndefined = 0); | |
Q_SIGNALS: | |
void valueChanged(); | |
protected: | |
QDeclarativeExpression(QDeclarativeContextData *, QObject *, const QString &, | |
QDeclarativeExpressionPrivate &dd); | |
QDeclarativeExpression(QDeclarativeContextData *, QObject *, const QScriptValue &, | |
QDeclarativeExpressionPrivate &dd); | |
QDeclarativeExpression(QDeclarativeContextData *, void *, QDeclarativeRefCount *rc, | |
QObject *me, const QString &, int, QDeclarativeExpressionPrivate &dd); | |
private: | |
QDeclarativeExpression(QDeclarativeContextData *, QObject *, const QString &); | |
Q_DISABLE_COPY(QDeclarativeExpression) | |
Q_DECLARE_PRIVATE(QDeclarativeExpression) | |
Q_PRIVATE_SLOT(d_func(), void _q_notify()) | |
friend class QDeclarativeDebugger; | |
friend class QDeclarativeContext; | |
friend class QDeclarativeVME; | |
}; | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QDECLARATIVEEXPRESSION_H | |