qtbase-opensource-src/util/accessibilityinspector/screenreader.h

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2.2 KiB
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
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#ifndef SCREENREADER_H
#define SCREENREADER_H
#include <QObject>
#include <QAccessible>
#include <QAccessibleBridge>
/*
A Simple screen reader for touch-based user interfaces.
Requires a text-to-speach backend. Currently implemented
using festival on unix.
*/
class OptionsWidget;
class ScreenReader : public QObject
{
Q_OBJECT
public:
explicit ScreenReader(QObject *parent = 0);
~ScreenReader();
void setRootObject(QObject *rootObject);
void setOptionsWidget(OptionsWidget *optionsWidget);
public slots:
void touchPoint(const QPoint &point);
void activate();
protected slots:
void processTouchPoint();
signals:
void selected(QObject *object);
protected:
void speak(const QString &text, const QString &voice = QString());
private:
QAccessibleInterface *m_selectedInterface;
QAccessibleInterface *m_rootInterface;
OptionsWidget *m_optionsWidget;
QPoint m_currentTouchPoint;
bool m_activateCalled;
};
#endif // SCREENREADER_H