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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#ifndef QQMLBIND_H
#define QQMLBIND_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 <qqml.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QQmlBindPrivate;
class Q_AUTOTEST_EXPORT QQmlBind : public QObject, public QQmlPropertyValueSource, public QQmlParserStatus
{
public:
enum RestorationMode {
RestoreNone = 0x0,
RestoreBinding = 0x1,
RestoreValue = 0x2,
RestoreBindingOrValue = RestoreBinding | RestoreValue
};
private:
Q_OBJECT
Q_DECLARE_PRIVATE(QQmlBind)
Q_INTERFACES(QQmlParserStatus)
Q_INTERFACES(QQmlPropertyValueSource)
Q_PROPERTY(QObject *target READ object WRITE setObject)
Q_PROPERTY(QString property READ property WRITE setProperty)
Q_PROPERTY(QJSValue value READ value WRITE setValue)
Q_PROPERTY(bool when READ when WRITE setWhen)
Q_PROPERTY(bool delayed READ delayed WRITE setDelayed REVISION 8)
Q_PROPERTY(RestorationMode restoreMode READ restoreMode WRITE setRestoreMode
NOTIFY restoreModeChanged REVISION 14)
Q_ENUM(RestorationMode)
QML_NAMED_ELEMENT(Binding)
public:
QQmlBind(QObject *parent=nullptr);
~QQmlBind();
bool when() const;
void setWhen(bool);
QObject *object();
void setObject(QObject *);
QString property() const;
void setProperty(const QString &);
QJSValue value() const;
void setValue(const QJSValue &);
bool delayed() const;
void setDelayed(bool);
RestorationMode restoreMode() const;
void setRestoreMode(RestorationMode);
Q_SIGNALS:
void restoreModeChanged();
protected:
void setTarget(const QQmlProperty &) override;
void classBegin() override;
void componentComplete() override;
private:
void prepareEval();
void eval();
private Q_SLOTS:
void targetValueChanged();
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQmlBind)
#endif
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