container.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#ifndef CONTAINER_H
#define CONTAINER_H
 
#include <QtDesigner/extension.h>
#include <QtCore/qobject.h>
 
QT_BEGIN_NAMESPACE
 
class QWidget;
 
class QDesignerContainerExtension
{
public:
    Q_DISABLE_COPY_MOVE(QDesignerContainerExtension)
 
    QDesignerContainerExtension() = default;
    virtual ~QDesignerContainerExtension() = default;
 
    virtual int count() const = 0;
    virtual QWidget *widget(int index) const = 0;
 
    virtual int currentIndex() const = 0;
    virtual void setCurrentIndex(int index) = 0;
 
    virtual bool canAddWidget() const = 0;
    virtual void addWidget(QWidget *widget) = 0;
    virtual void insertWidget(int index, QWidget *widget) = 0;
    virtual bool canRemove(int index) const = 0;
    virtual void remove(int index) = 0;
};
 
Q_DECLARE_EXTENSION_INTERFACE(QDesignerContainerExtension, "org.qt-project.Qt.Designer.Container")
 
QT_END_NAMESPACE
 
#endif // CONTAINER_H