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 QtWidgets module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
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 Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QSTACKEDWIDGET_H
41#define QSTACKEDWIDGET_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qframe.h>
45
46QT_REQUIRE_CONFIG(stackedwidget);
47
48QT_BEGIN_NAMESPACE
49
50class QStackedWidgetPrivate;
51
52class Q_WIDGETS_EXPORT QStackedWidget : public QFrame
53{
54 Q_OBJECT
55
56 Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
57 Q_PROPERTY(int count READ count)
58public:
59 explicit QStackedWidget(QWidget *parent = nullptr);
60 ~QStackedWidget();
61
62 int addWidget(QWidget *w);
63 int insertWidget(int index, QWidget *w);
64 void removeWidget(QWidget *w);
65
66 QWidget *currentWidget() const;
67 int currentIndex() const;
68
69 int indexOf(QWidget *) const;
70 QWidget *widget(int) const;
71 int count() const;
72
73public Q_SLOTS:
74 void setCurrentIndex(int index);
75 void setCurrentWidget(QWidget *w);
76
77Q_SIGNALS:
78 void currentChanged(int);
79 void widgetRemoved(int index);
80
81protected:
82 bool event(QEvent *e) override;
83
84private:
85 Q_DISABLE_COPY(QStackedWidget)
86 Q_DECLARE_PRIVATE(QStackedWidget)
87};
88
89QT_END_NAMESPACE
90
91#endif // QSTACKEDWIDGET_H
92

source code of qtbase/src/widgets/widgets/qstackedwidget.h