qt5base-lts/tools/uilib/container.h

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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the Qt Designer of the Qt Toolkit.
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#ifndef CONTAINER_H
#define CONTAINER_H

#include <QtDesigner/extension.h>
#include <QtCore/QObject>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QWidget;

class QDesignerContainerExtension
{
public:
    virtual ~QDesignerContainerExtension() {}

    virtual int count() const = 0;
    virtual QWidget *widget(int index) const = 0;

    virtual int currentIndex() const = 0;
    virtual void setCurrentIndex(int index) = 0;

    virtual void addWidget(QWidget *widget) = 0;
    virtual void insertWidget(int index, QWidget *widget) = 0;
    virtual void remove(int index) = 0;

    virtual bool canAddWidget() const
    // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
         { return true; }
    virtual bool canRemove(int index) const
    // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
         { Q_UNUSED(index); return true; }
};
Q_DECLARE_EXTENSION_INTERFACE(QDesignerContainerExtension, "com.trolltech.Qt.Designer.Container")

QT_END_NAMESPACE

QT_END_HEADER

#endif // CONTAINER_H