Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ #ifndef QPLATFORMACCESSIBILITY_H
++ #define QPLATFORMACCESSIBILITY_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is part of the QPA API and is not meant to be used
++ // in applications. Usage of this API may make your code
++ // source and binary incompatible with future versions of Qt.
++ //
++
++ #include <QtGui/qtguiglobal.h>
++
++ #if QT_CONFIG(accessibility)
++
++ #include <QtCore/qobject.h>
++ #include <QtGui/qaccessible.h>
++
++ #include <optional>
++
++ QT_BEGIN_NAMESPACE
++
++
++ class Q_GUI_EXPORT QPlatformAccessibility
++ {
++ public:
++ QPlatformAccessibility();
++
++ virtual ~QPlatformAccessibility();
++ virtual void notifyAccessibilityUpdate(QAccessibleEvent *event);
++ virtual void setRootObject(QObject *o);
++ virtual void initialize();
++ virtual void cleanup();
++
++ inline bool isActive() const { return m_active; }
++ void setActive(bool active);
++ void clearActiveNotificationState();
++
++ private:
++ bool m_active = false;
++ std::optional<bool> m_activeNotificationState = std::nullopt;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QT_CONFIG(accessibility)
++
++ #endif // QPLATFORMACCESSIBILITY_H