/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: http://www.qt-project.org/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qaccessiblebridge.h" #ifndef QT_NO_ACCESSIBILITY QT_BEGIN_NAMESPACE /*! \class QAccessibleBridge \brief The QAccessibleBridge class is the base class for accessibility back-ends. \ingroup accessibility \inmodule QtWidgets Qt supports Microsoft Active Accessibility (MSAA), Mac OS X Accessibility, and the Unix/X11 AT-SPI standard. By subclassing QAccessibleBridge, you can support other backends than the predefined ones. Currently, custom bridges are only supported on Unix. We might add support for them on other platforms as well if there is enough demand. \sa QAccessible, QAccessibleBridgePlugin */ /*! \fn QAccessibleBridge::~QAccessibleBridge() Destroys the accessibility bridge object. */ /*! \fn void QAccessibleBridge::setRootObject(QAccessibleInterface *object) This function is called by Qt at application startup to set the root accessible object of the application to \a object. All other accessible objects in the application can be reached by the client using object navigation. */ /*! \fn void QAccessibleBridge::notifyAccessibilityUpdate(int reason, QAccessibleInterface *interface, int child) This function is called by Qt to notify the bridge about a change in the accessibility information for object wrapped by the given \a interface. \a reason specifies the cause of the change. It can take values of type QAccessible::Event. \a child is the (1-based) index of the child element that has changed. When \a child is 0, the object itself has changed. \sa QAccessible::updateAccessibility() */ /*! \class QAccessibleBridgePlugin \brief The QAccessibleBridgePlugin class provides an abstract base for accessibility bridge plugins. \ingroup plugins \ingroup accessibility \inmodule QtWidgets Writing an accessibility bridge plugin is achieved by subclassing this base class, reimplementing the pure virtual functions keys() and create(), and exporting the class with the Q_EXPORT_PLUGIN2() macro. \sa QAccessibleBridge, QAccessiblePlugin, {How to Create Qt Plugins} */ /*! Constructs an accessibility bridge plugin with the given \a parent. This is invoked automatically by the Q_EXPORT_PLUGIN2() macro. */ QAccessibleBridgePlugin::QAccessibleBridgePlugin(QObject *parent) : QObject(parent) { } /*! Destroys the accessibility bridge plugin. You never have to call this explicitly. Qt destroys a plugin automatically when it is no longer used. */ QAccessibleBridgePlugin::~QAccessibleBridgePlugin() { } /*! \fn QStringList QAccessibleBridgePlugin::keys() const Returns the list of keys this plugins supports. These keys must be the names of the bridges that this plugin provides. \sa create() */ /*! \fn QAccessibleBridge *QAccessibleBridgePlugin::create(const QString &key) Creates and returns the QAccessibleBridge object corresponding to the given \a key. Keys are case sensitive. \sa keys() */ QT_END_NAMESPACE #endif // QT_NO_ACCESSIBILITY