1 /**************************************************************************** 2 ** 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. 7 ** 8 ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT 21 ** included in the packaging of this file. Please review the following 22 ** information to ensure the GNU General Public License requirements will 23 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 24 ** 25 ** $QT_END_LICENSE$ 26 ** 27 ****************************************************************************/ 28 29 #ifndef CONTAINER_H 30 #define CONTAINER_H 31 32 #include <QtDesigner/extension.h> 33 #include <QtCore/qobject.h> 34 35 QT_BEGIN_NAMESPACE 36 37 class QWidget; 38 39 class QDesignerContainerExtension 40 { 41 public: ~QDesignerContainerExtension()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 canAddWidget()54 virtual bool canAddWidget() const 55 // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4. 56 { return true; } canRemove(int index)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 }; 61 Q_DECLARE_EXTENSION_INTERFACE(QDesignerContainerExtension, "org.qt-project.Qt.Designer.Container") 62 63 QT_END_NAMESPACE 64 65 #endif // CONTAINER_H 66