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 QACCESSIBLEWIDGET_H
41#define QACCESSIBLEWIDGET_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtGui/qaccessibleobject.h>
45
46QT_BEGIN_NAMESPACE
47
48
49#ifndef QT_NO_ACCESSIBILITY
50
51class QAccessibleWidgetPrivate;
52
53class Q_WIDGETS_EXPORT QAccessibleWidget : public QAccessibleObject, public QAccessibleActionInterface
54{
55public:
56 explicit QAccessibleWidget(QWidget *o, QAccessible::Role r = QAccessible::Client, const QString& name = QString());
57 bool isValid() const override;
58
59 QWindow *window() const override;
60 int childCount() const override;
61 int indexOfChild(const QAccessibleInterface *child) const override;
62 QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > relations(QAccessible::Relation match = QAccessible::AllRelations) const override;
63 QAccessibleInterface *focusChild() const override;
64
65 QRect rect() const override;
66
67 QAccessibleInterface *parent() const override;
68 QAccessibleInterface *child(int index) const override;
69
70 QString text(QAccessible::Text t) const override;
71 QAccessible::Role role() const override;
72 QAccessible::State state() const override;
73
74 QColor foregroundColor() const override;
75 QColor backgroundColor() const override;
76
77 void *interface_cast(QAccessible::InterfaceType t) override;
78
79 // QAccessibleActionInterface
80 QStringList actionNames() const override;
81 void doAction(const QString &actionName) override;
82 QStringList keyBindingsForAction(const QString &actionName) const override;
83protected:
84 ~QAccessibleWidget();
85 QWidget *widget() const;
86 QObject *parentObject() const;
87
88 void addControllingSignal(const QString &signal);
89
90private:
91 QAccessibleWidgetPrivate *d;
92 Q_DISABLE_COPY(QAccessibleWidget)
93};
94
95
96#endif // QT_NO_ACCESSIBILITY
97
98QT_END_NAMESPACE
99
100#endif // QACCESSIBLEWIDGET_H
101

source code of qtbase/src/widgets/accessible/qaccessiblewidget.h