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Diffstat (limited to 'src/qml/qml/qqmlexpression.h')
-rw-r--r-- | src/qml/qml/qqmlexpression.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlexpression.h b/src/qml/qml/qqmlexpression.h new file mode 100644 index 0000000000..4044546fbf --- /dev/null +++ b/src/qml/qml/qqmlexpression.h @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml 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 QQMLEXPRESSION_H +#define QQMLEXPRESSION_H + +#include <QtQml/qqmlerror.h> +#include <QtQml/qqmlscriptstring.h> + +#include <QtCore/qobject.h> +#include <QtCore/qvariant.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + + +class QString; +class QQmlRefCount; +class QQmlEngine; +class QQmlContext; +class QQmlExpressionPrivate; +class QQmlContextData; +class Q_QML_EXPORT QQmlExpression : public QObject +{ + Q_OBJECT +public: + QQmlExpression(); + QQmlExpression(QQmlContext *, QObject *, const QString &, QObject * = 0); + explicit QQmlExpression(const QQmlScriptString &, QObject * = 0); + virtual ~QQmlExpression(); + + QQmlEngine *engine() const; + QQmlContext *context() const; + + QString expression() const; + void setExpression(const QString &); + + bool notifyOnValueChanged() const; + void setNotifyOnValueChanged(bool); + + QString sourceFile() const; + int lineNumber() const; + int columnNumber() const; + void setSourceLocation(const QString &fileName, int line, int column = 0); + + QObject *scopeObject() const; + + bool hasError() const; + void clearError(); + QQmlError error() const; + + QVariant evaluate(bool *valueIsUndefined = 0); + +Q_SIGNALS: + void valueChanged(); + +protected: + QQmlExpression(QQmlContextData *, QObject *, const QString &, + QQmlExpressionPrivate &dd); + QQmlExpression(QQmlContextData *, QObject *, void *, + QQmlExpressionPrivate &dd); + QQmlExpression(QQmlContextData *, QObject *, const QString &, bool, + const QString &, int, int, QQmlExpressionPrivate &dd); + QQmlExpression(QQmlContextData *, QObject *, const QByteArray &, bool, + const QString &, int, int, QQmlExpressionPrivate &dd); + +private: + QQmlExpression(QQmlContextData *, QObject *, const QString &); + + Q_DISABLE_COPY(QQmlExpression) + Q_DECLARE_PRIVATE(QQmlExpression) + friend class QQmlDebugger; + friend class QQmlContext; + friend class QQmlVME; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QQMLEXPRESSION_H + |