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| ** Copyright (C) 2017 The Qt Company Ltd. |
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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| |
| |
| #include "mainwindow.h" |
| #include <QLoggingCategory> |
| |
| MainWindow::MainWindow(QWidget *parent) |
| : QMainWindow(parent), |
| m_speech(nullptr) |
| { |
| ui.setupUi(this); |
| QLoggingCategory::setFilterRules(QStringLiteral("qt.speech.tts=true \n qt.speech.tts.*=true")); |
| |
| // Populate engine selection list |
| ui.engine->addItem("Default", QString("default")); |
| const auto engines = QTextToSpeech::availableEngines(); |
| for (const QString &engine : engines) |
| ui.engine->addItem(engine, engine); |
| ui.engine->setCurrentIndex(0); |
| engineSelected(0); |
| |
| connect(ui.speakButton, &QPushButton::clicked, this, &MainWindow::speak); |
| connect(ui.pitch, &QSlider::valueChanged, this, &MainWindow::setPitch); |
| connect(ui.rate, &QSlider::valueChanged, this, &MainWindow::setRate); |
| connect(ui.volume, &QSlider::valueChanged, this, &MainWindow::setVolume); |
| connect(ui.engine, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::engineSelected); |
| } |
| |
| void MainWindow::speak() |
| { |
| m_speech->say(ui.plainTextEdit->toPlainText()); |
| } |
| void MainWindow::stop() |
| { |
| m_speech->stop(); |
| } |
| |
| void MainWindow::setRate(int rate) |
| { |
| m_speech->setRate(rate / 10.0); |
| } |
| |
| void MainWindow::setPitch(int pitch) |
| { |
| m_speech->setPitch(pitch / 10.0); |
| } |
| |
| void MainWindow::setVolume(int volume) |
| { |
| m_speech->setVolume(volume / 100.0); |
| } |
| |
| void MainWindow::stateChanged(QTextToSpeech::State state) |
| { |
| if (state == QTextToSpeech::Speaking) { |
| ui.statusbar->showMessage("Speech started..."); |
| } else if (state == QTextToSpeech::Ready) |
| ui.statusbar->showMessage("Speech stopped...", 2000); |
| else if (state == QTextToSpeech::Paused) |
| ui.statusbar->showMessage("Speech paused..."); |
| else |
| ui.statusbar->showMessage("Speech error!"); |
| |
| ui.pauseButton->setEnabled(state == QTextToSpeech::Speaking); |
| ui.resumeButton->setEnabled(state == QTextToSpeech::Paused); |
| ui.stopButton->setEnabled(state == QTextToSpeech::Speaking || state == QTextToSpeech::Paused); |
| } |
| |
| void MainWindow::engineSelected(int index) |
| { |
| QString engineName = ui.engine->itemData(index).toString(); |
| delete m_speech; |
| if (engineName == "default") |
| m_speech = new QTextToSpeech(this); |
| else |
| m_speech = new QTextToSpeech(engineName, this); |
| disconnect(ui.language, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected); |
| ui.language->clear(); |
| // Populate the languages combobox before connecting its signal. |
| const QVector<QLocale> locales = m_speech->availableLocales(); |
| QLocale current = m_speech->locale(); |
| for (const QLocale &locale : locales) { |
| QString name(QString("%1 (%2)") |
| .arg(QLocale::languageToString(locale.language())) |
| .arg(QLocale::countryToString(locale.country()))); |
| QVariant localeVariant(locale); |
| ui.language->addItem(name, localeVariant); |
| if (locale.name() == current.name()) |
| current = locale; |
| } |
| setRate(ui.rate->value()); |
| setPitch(ui.pitch->value()); |
| setVolume(ui.volume->value()); |
| connect(ui.stopButton, &QPushButton::clicked, m_speech, &QTextToSpeech::stop); |
| connect(ui.pauseButton, &QPushButton::clicked, m_speech, &QTextToSpeech::pause); |
| connect(ui.resumeButton, &QPushButton::clicked, m_speech, &QTextToSpeech::resume); |
| |
| connect(m_speech, &QTextToSpeech::stateChanged, this, &MainWindow::stateChanged); |
| connect(m_speech, &QTextToSpeech::localeChanged, this, &MainWindow::localeChanged); |
| |
| connect(ui.language, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected); |
| localeChanged(current); |
| } |
| |
| void MainWindow::languageSelected(int language) |
| { |
| QLocale locale = ui.language->itemData(language).toLocale(); |
| m_speech->setLocale(locale); |
| } |
| |
| void MainWindow::voiceSelected(int index) |
| { |
| m_speech->setVoice(m_voices.at(index)); |
| } |
| |
| void MainWindow::localeChanged(const QLocale &locale) |
| { |
| QVariant localeVariant(locale); |
| ui.language->setCurrentIndex(ui.language->findData(localeVariant)); |
| |
| disconnect(ui.voice, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::voiceSelected); |
| ui.voice->clear(); |
| |
| m_voices = m_speech->availableVoices(); |
| QVoice currentVoice = m_speech->voice(); |
| for (const QVoice &voice : qAsConst(m_voices)) { |
| ui.voice->addItem(QString("%1 - %2 - %3").arg(voice.name()) |
| .arg(QVoice::genderName(voice.gender())) |
| .arg(QVoice::ageName(voice.age()))); |
| if (voice.name() == currentVoice.name()) |
| ui.voice->setCurrentIndex(ui.voice->count() - 1); |
| } |
| connect(ui.voice, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &MainWindow::voiceSelected); |
| } |