mirror of
https://github.com/crystalidea/qt6windows7.git
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100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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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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}
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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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if (m_selectedInterface->object())
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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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