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 #ifndef QCOCOAACCESIBILITY_H 40 #define QCOCOAACCESIBILITY_H 41 42 #include <AppKit/AppKit.h> 43 44 #include <QtGui> 45 #include <qpa/qplatformaccessibility.h> 46 47 #include "qcocoaaccessibilityelement.h" 48 49 #ifndef QT_NO_ACCESSIBILITY 50 51 QT_BEGIN_NAMESPACE 52 53 class QCocoaAccessibility : public QPlatformAccessibility 54 { 55 public: 56 QCocoaAccessibility(); 57 ~QCocoaAccessibility(); 58 void notifyAccessibilityUpdate(QAccessibleEvent *event) override; 59 void setRootObject(QObject *o) override; 60 void initialize() override; 61 void cleanup() override; 62 }; 63 64 namespace QCocoaAccessible { 65 66 /* 67 Qt Cocoa Accessibility Overview 68 69 Cocoa accessibility is implemented in the following files: 70 71 - qcocoaaccessibility (this file) : QCocoaAccessibility "plugin", conversion and helper functions. 72 - qnsviewaccessibility : Root accessibility implementation for QNSView 73 - qcocoaaccessibilityelement : Cocoa accessibility protocol wrapper for QAccessibleInterface 74 75 The accessibility implementation wraps QAccessibleInterfaces in QCocoaAccessibleElements, which 76 implements the cocoa accessibility protocol. The root QAccessibleInterface (the one returned 77 by QWindow::accessibleRoot), is anchored to the QNSView in qnsviewaccessibility.mm. 78 79 Cocoa explores the accessibility tree by walking the tree using the parent/child 80 relationships or hit testing. When this happens we create QCocoaAccessibleElements on 81 demand. 82 */ 83 84 NSString *macRole(QAccessibleInterface *interface); 85 NSString *macSubrole(QAccessibleInterface *interface); 86 bool shouldBeIgnored(QAccessibleInterface *interface); 87 NSArray<QMacAccessibilityElement *> *unignoredChildren(QAccessibleInterface *interface); 88 NSString *getTranslatedAction(const QString &qtAction); 89 QString translateAction(NSString *nsAction, QAccessibleInterface *interface); 90 bool hasValueAttribute(QAccessibleInterface *interface); 91 id getValueAttribute(QAccessibleInterface *interface); 92 93 } 94 95 QT_END_NAMESPACE 96 97 #endif // QT_NO_ACCESSIBILITY 98 99 #endif // QCOCOAACCESIBILITY_H 100