/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. 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IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "mainwindow.h" #include 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(&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); if (!m_localesQueried) queryLocales(); } 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) { m_localesQueried = false; 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); connect(m_speech, &QTextToSpeech::stateChanged, this, &MainWindow::stateChanged); } void MainWindow::queryLocales() { disconnect(ui.language, static_cast(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected); ui.language->clear(); // Populate the languages combobox before connecting its signal. const QVector 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::localeChanged, this, &MainWindow::localeChanged); connect(ui.language, static_cast(&QComboBox::currentIndexChanged), this, &MainWindow::languageSelected); localeChanged(current); m_localesQueried = true; } 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(&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(&QComboBox::currentIndexChanged), this, &MainWindow::voiceSelected); }