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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Designer of the Qt Toolkit.
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28
29#ifndef CONTAINER_H
30#define CONTAINER_H
31
32#include <QtDesigner/extension.h>
33#include <QtCore/qobject.h>
34
35QT_BEGIN_NAMESPACE
36
37class QWidget;
38
39class QDesignerContainerExtension
40{
41public:
42 virtual ~QDesignerContainerExtension() {}
43
44 virtual int count() const = 0;
45 virtual QWidget *widget(int index) const = 0;
46
47 virtual int currentIndex() const = 0;
48 virtual void setCurrentIndex(int index) = 0;
49
50 virtual void addWidget(QWidget *widget) = 0;
51 virtual void insertWidget(int index, QWidget *widget) = 0;
52 virtual void remove(int index) = 0;
53
54 virtual bool canAddWidget() const
55 // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
56 { return true; }
57 virtual bool canRemove(int index) const
58 // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
59 { Q_UNUSED(index); return true; }
60};
61Q_DECLARE_EXTENSION_INTERFACE(QDesignerContainerExtension, "org.qt-project.Qt.Designer.Container")
62
63QT_END_NAMESPACE
64
65#endif // CONTAINER_H
66

source code of qttools/src/designer/src/lib/sdk/container.h