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 plugins 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 COMPLEXWIDGETS_H
41#define COMPLEXWIDGETS_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include <QtCore/qpointer.h>
56#include <QtWidgets/qaccessiblewidget.h>
57#if QT_CONFIG(itemviews)
58#include <QtWidgets/qabstractitemview.h>
59#endif
60
61QT_BEGIN_NAMESPACE
62
63#ifndef QT_NO_ACCESSIBILITY
64
65class QAbstractButton;
66class QHeaderView;
67class QTabBar;
68class QComboBox;
69class QTitleBar;
70class QAbstractScrollArea;
71class QScrollArea;
72
73#if QT_CONFIG(scrollarea)
74class QAccessibleAbstractScrollArea : public QAccessibleWidget
75{
76public:
77 explicit QAccessibleAbstractScrollArea(QWidget *widget);
78
79 enum AbstractScrollAreaElement {
80 Self = 0,
81 Viewport,
82 HorizontalContainer,
83 VerticalContainer,
84 CornerWidget,
85 Undefined
86 };
87
88 QAccessibleInterface *child(int index) const override;
89 int childCount() const override;
90 int indexOfChild(const QAccessibleInterface *child) const override;
91 bool isValid() const override;
92 QAccessibleInterface *childAt(int x, int y) const override;
93 QAbstractScrollArea *abstractScrollArea() const;
94
95private:
96 QWidgetList accessibleChildren() const;
97 AbstractScrollAreaElement elementType(QWidget *widget) const;
98 bool isLeftToRight() const;
99};
100
101class QAccessibleScrollArea : public QAccessibleAbstractScrollArea
102{
103public:
104 explicit QAccessibleScrollArea(QWidget *widget);
105};
106#endif // QT_CONFIG(scrollarea)
107
108#if QT_CONFIG(tabbar)
109class QAccessibleTabBar : public QAccessibleWidget
110{
111public:
112 explicit QAccessibleTabBar(QWidget *w);
113 ~QAccessibleTabBar();
114
115 QAccessibleInterface *focusChild() const override;
116 int childCount() const override;
117 QString text(QAccessible::Text t) const override;
118
119 QAccessibleInterface* child(int index) const override;
120 int indexOfChild(const QAccessibleInterface *child) const override;
121
122protected:
123 QTabBar *tabBar() const;
124 mutable QHash<int, QAccessible::Id> m_childInterfaces;
125};
126#endif // QT_CONFIG(tabbar)
127
128#if QT_CONFIG(combobox)
129class QAccessibleComboBox : public QAccessibleWidget
130{
131public:
132 explicit QAccessibleComboBox(QWidget *w);
133
134 int childCount() const override;
135 QAccessibleInterface *childAt(int x, int y) const override;
136 int indexOfChild(const QAccessibleInterface *child) const override;
137 QAccessibleInterface* child(int index) const override;
138
139 QString text(QAccessible::Text t) const override;
140
141 // QAccessibleActionInterface
142 QStringList actionNames() const override;
143 QString localizedActionDescription(const QString &actionName) const override;
144 void doAction(const QString &actionName) override;
145 QStringList keyBindingsForAction(const QString &actionName) const override;
146
147protected:
148 QComboBox *comboBox() const;
149};
150#endif // QT_CONFIG(combobox)
151
152#endif // QT_NO_ACCESSIBILITY
153
154QT_END_NAMESPACE
155
156#endif // COMPLEXWIDGETS_H
157