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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "screenreader.h"
#include "optionswidget.h"
#include "accessibilityscenemanager.h"
#include <QtGui>
ScreenReader::ScreenReader(QObject *parent) :
QObject(parent)
{
m_selectedInterface = 0;
m_rootInterface = 0;
bool activateCalled = false;
}
ScreenReader::~ScreenReader()
{
}
void ScreenReader::setRootObject(QObject *rootObject)
{
m_rootInterface = QAccessible::queryAccessibleInterface(rootObject);
}
void ScreenReader::setOptionsWidget(OptionsWidget *optionsWidget)
{
m_optionsWidget = optionsWidget;
}
void ScreenReader::touchPoint(const QPoint &point)
{
qDebug() << "touch" << point;
// Wait and see if this touch is the start of a double-tap
// (activate will then be called and cancel the touch processing)
m_activateCalled = false;
m_currentTouchPoint = point;
QTimer::singleShot(200, this, SLOT(processTouchPoint()));
}
void ScreenReader::processTouchPoint()
{
if (m_activateCalled) {
return;
}
if (m_rootInterface == 0) {
return;
}
QAccessibleInterface * currentInterface = m_rootInterface;
int hit = -2;
int guardCounter = 0;
const int guardMax = 40;
while (currentInterface != 0) {
++guardCounter;
if (guardCounter > guardMax) {
qDebug() << "touchPoint exit recursion overflow";
return; // outside
}
QAccessibleInterface * hit = currentInterface->childAt(m_currentTouchPoint.x(), m_currentTouchPoint.y());
if (!hit)
break;
currentInterface = hit;
}
m_selectedInterface = currentInterface;
if (m_selectedInterface->object())
emit selected(m_selectedInterface->object());
if (m_optionsWidget->enableTextToSpeach())
speak(m_selectedInterface->text(QAccessible::Name)
/*+ "," + translateRole(m_selectedInterface->role(0)) */);
// qDebug() << "touchPoint exit found" << m_selectedInterface->text(QAccessible::Name, 0) << m_selectedInterface->object() << m_selectedInterface->rect(0);
}
void ScreenReader::activate()
{
qDebug() << "ScreenReader::activate";
m_activateCalled = true;
if (m_selectedInterface) {
m_selectedInterface->actionInterface()->doAction(QAccessibleActionInterface::pressAction());
}
}
void ScreenReader::speak(const QString &text, const QString &/*voice*/)
{
QFile f("festivalspeachhack");
f.open(QIODevice::WriteOnly);
f.write(text.toLocal8Bit());
f.close();
QProcess *process = new QProcess;
process->start("/usr/bin/festival", QStringList() << "--tts" << "festivalspeachhack");
}
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