48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "screenreader.h"
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#include "optionswidget.h"
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#include "accessibilityscenemanager.h"
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#include <QtGui>
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ScreenReader::ScreenReader(QObject *parent) :
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QObject(parent)
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{
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m_selectedInterface = 0;
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m_rootInterface = 0;
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bool activateCalled = false;
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}
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ScreenReader::~ScreenReader()
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{
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delete m_selectedInterface;
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delete m_rootInterface;
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}
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void ScreenReader::setRootObject(QObject *rootObject)
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{
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m_rootInterface = QAccessible::queryAccessibleInterface(rootObject);
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}
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void ScreenReader::setOptionsWidget(OptionsWidget *optionsWidget)
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{
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m_optionsWidget = optionsWidget;
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}
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void ScreenReader::touchPoint(const QPoint &point)
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{
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qDebug() << "touch" << point;
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// Wait and see if this touch is the start of a double-tap
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// (activate will then be called and cancel the touch processing)
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m_activateCalled = false;
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m_currentTouchPoint = point;
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QTimer::singleShot(200, this, SLOT(processTouchPoint()));
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}
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void ScreenReader::processTouchPoint()
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{
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if (m_activateCalled) {
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return;
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}
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if (m_rootInterface == 0) {
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return;
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}
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QAccessibleInterface * currentInterface = m_rootInterface;
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int hit = -2;
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int guardCounter = 0;
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const int guardMax = 40;
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while (currentInterface != 0) {
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++guardCounter;
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if (guardCounter > guardMax) {
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qDebug() << "touchPoint exit recursion overflow";
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return; // outside
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}
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QAccessibleInterface * hit = currentInterface->childAt(m_currentTouchPoint.x(), m_currentTouchPoint.y());
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if (!hit)
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break;
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currentInterface = hit;
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}
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m_selectedInterface = currentInterface;
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emit selected(m_selectedInterface->object());
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if (m_optionsWidget->enableTextToSpeach())
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speak(m_selectedInterface->text(QAccessible::Name)
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/*+ "," + translateRole(m_selectedInterface->role(0)) */);
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// qDebug() << "touchPoint exit found" << m_selectedInterface->text(QAccessible::Name, 0) << m_selectedInterface->object() << m_selectedInterface->rect(0);
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}
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void ScreenReader::activate()
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{
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qDebug() << "ScreenReader::activate";
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m_activateCalled = true;
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if (m_selectedInterface) {
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m_selectedInterface->actionInterface()->doAction(QAccessibleActionInterface::pressAction());
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}
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}
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void ScreenReader::speak(const QString &text, const QString &/*voice*/)
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{
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QFile f("festivalspeachhack");
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f.open(QIODevice::WriteOnly);
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f.write(text.toLocal8Bit());
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f.close();
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QProcess *process = new QProcess;
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process->start("/usr/bin/festival", QStringList() << "--tts" << "festivalspeachhack");
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}
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