diff options
16 files changed, 145 insertions, 140 deletions
diff --git a/examples/multimedia/audiodecoder/audiodecoder.cpp b/examples/multimedia/audiodecoder/audiodecoder.cpp index 5145d529e..86904f7c9 100644 --- a/examples/multimedia/audiodecoder/audiodecoder.cpp +++ b/examples/multimedia/audiodecoder/audiodecoder.cpp @@ -67,15 +67,23 @@ AudioDecoder::AudioDecoder(bool isPlayback, bool isDelete) format.setSampleType(QAudioFormat::SignedInt); m_decoder.setAudioFormat(format); - connect(&m_decoder, SIGNAL(bufferReady()), this, SLOT(bufferReady())); - connect(&m_decoder, SIGNAL(error(QAudioDecoder::Error)), this, SLOT(error(QAudioDecoder::Error))); - connect(&m_decoder, SIGNAL(stateChanged(QAudioDecoder::State)), this, SLOT(stateChanged(QAudioDecoder::State))); - connect(&m_decoder, SIGNAL(finished()), this, SLOT(finished())); - connect(&m_decoder, SIGNAL(positionChanged(qint64)), this, SLOT(updateProgress())); - connect(&m_decoder, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress())); - - connect(&m_soundEffect, SIGNAL(statusChanged()), this, SLOT(playbackStatusChanged())); - connect(&m_soundEffect, SIGNAL(playingChanged()), this, SLOT(playingChanged())); + connect(&m_decoder, &QAudioDecoder::bufferReady, + this, &AudioDecoder::bufferReady); + connect(&m_decoder, QOverload<QAudioDecoder::Error>::of(&QAudioDecoder::error), + this, QOverload<QAudioDecoder::Error>::of(&AudioDecoder::error)); + connect(&m_decoder, &QAudioDecoder::stateChanged, + this, &AudioDecoder::stateChanged); + connect(&m_decoder, &QAudioDecoder::finished, + this, &AudioDecoder::finished); + connect(&m_decoder, &QAudioDecoder::positionChanged, + this, &AudioDecoder::updateProgress); + connect(&m_decoder, &QAudioDecoder::durationChanged, + this, &AudioDecoder::updateProgress); + + connect(&m_soundEffect, &QSoundEffect::statusChanged, + this, &AudioDecoder::playbackStatusChanged); + connect(&m_soundEffect, &QSoundEffect::playingChanged, + this, &AudioDecoder::playingChanged); m_progress = -1.0; } diff --git a/examples/multimedia/audiodecoder/main.cpp b/examples/multimedia/audiodecoder/main.cpp index 2b4b9dab4..c0947b83f 100644 --- a/examples/multimedia/audiodecoder/main.cpp +++ b/examples/multimedia/audiodecoder/main.cpp @@ -95,7 +95,8 @@ int main(int argc, char *argv[]) targetFile.setFile(sourceFile.dir().absoluteFilePath("out.wav")); AudioDecoder decoder(isPlayback, isDelete); - QObject::connect(&decoder, SIGNAL(done()), &app, SLOT(quit())); + QObject::connect(&decoder, &AudioDecoder::done, + &app, &QCoreApplication::quit); decoder.setSourceFilename(sourceFile.absoluteFilePath()); decoder.setTargetFilename(targetFile.absoluteFilePath()); decoder.start(); diff --git a/examples/multimedia/declarative-camera/qmlcamera.cpp b/examples/multimedia/declarative-camera/qmlcamera.cpp index 1118e0dc0..edffe6bb0 100644 --- a/examples/multimedia/declarative-camera/qmlcamera.cpp +++ b/examples/multimedia/declarative-camera/qmlcamera.cpp @@ -59,7 +59,8 @@ int main(int argc, char* argv[]) view.setResizeMode(QQuickView::SizeRootObjectToView); // Qt.quit() called in embedded .qml by default only emits // quit() signal, so do this (optionally use Qt.exit()). - QObject::connect(view.engine(), SIGNAL(quit()), qApp, SLOT(quit())); + QObject::connect(view.engine(), &QQmlEngine::quit, + qApp, &QGuiApplication::quit); view.setSource(QUrl("qrc:///declarative-camera.qml")); view.resize(800, 480); view.show(); diff --git a/examples/multimedia/radio/radio.cpp b/examples/multimedia/radio/radio.cpp index c6bac969a..f4c9f5531 100644 --- a/examples/multimedia/radio/radio.cpp +++ b/examples/multimedia/radio/radio.cpp @@ -53,7 +53,8 @@ Radio::Radio() { radio = new QRadioTuner; - connect(radio, SIGNAL(error(QRadioTuner::Error)), this, SLOT(error(QRadioTuner::Error))); + connect(radio, QOverload<QRadioTuner::Error>::of(&QRadioTuner::error), + this, QOverload<QRadioTuner::Error>::of(&Radio::error)); if (radio->isBandSupported(QRadioTuner::FM)) radio->setBand(QRadioTuner::FM); @@ -68,7 +69,8 @@ Radio::Radio() freq = new QLabel; freq->setText(QString("%1 kHz").arg(radio->frequency()/1000)); topBar->addWidget(freq); - connect(radio, SIGNAL(frequencyChanged(int)), SLOT(freqChanged(int))); + connect(radio, &QRadioTuner::frequencyChanged, + this, &Radio::freqChanged); signal = new QLabel; if (radio->isAvailable()) @@ -76,34 +78,40 @@ Radio::Radio() else signal->setText(tr("No radio found")); topBar->addWidget(signal); - connect(radio, SIGNAL(signalStrengthChanged(int)), SLOT(signalChanged(int))); + connect(radio, &QRadioTuner::signalStrengthChanged, + this, &Radio::signalChanged); volumeSlider = new QSlider(Qt::Vertical,this); volumeSlider->setRange(0, 100); volumeSlider->setValue(50); - connect(volumeSlider, SIGNAL(valueChanged(int)), SLOT(updateVolume(int))); + connect(volumeSlider, &QSlider::valueChanged, + this, &Radio::updateVolume); topBar->addWidget(volumeSlider); layout->addLayout(buttonBar); searchLeft = new QPushButton; searchLeft->setText(tr("scan Down")); - connect(searchLeft, SIGNAL(clicked()), SLOT(searchDown())); + connect(searchLeft, &QPushButton::clicked, + this, &Radio::searchDown); buttonBar->addWidget(searchLeft); left = new QPushButton; left->setText(tr("Freq Down")); - connect(left, SIGNAL(clicked()), SLOT(freqDown())); + connect(left, &QPushButton::clicked, + this, &Radio::freqDown); buttonBar->addWidget(left); right = new QPushButton; - connect(right, SIGNAL(clicked()), SLOT(freqUp())); + connect(right, &QPushButton::clicked, + this, &Radio::freqUp); right->setText(tr("Freq Up")); buttonBar->addWidget(right); searchRight = new QPushButton; searchRight->setText(tr("scan Up")); - connect(searchRight, SIGNAL(clicked()), SLOT(searchUp())); + connect(searchRight, &QPushButton::clicked, + this, &Radio::searchUp); buttonBar->addWidget(searchRight); window->setLayout(layout); diff --git a/examples/multimedia/spectrum/app/engine.cpp b/examples/multimedia/spectrum/app/engine.cpp index eb289ca6c..7e11d012b 100644 --- a/examples/multimedia/spectrum/app/engine.cpp +++ b/examples/multimedia/spectrum/app/engine.cpp @@ -108,10 +108,8 @@ Engine::Engine(QObject *parent) { qRegisterMetaType<FrequencySpectrum>("FrequencySpectrum"); qRegisterMetaType<WindowFunction>("WindowFunction"); - CHECKED_CONNECT(&m_spectrumAnalyser, - SIGNAL(spectrumChanged(FrequencySpectrum)), - this, - SLOT(spectrumChanged(FrequencySpectrum))); + connect(&m_spectrumAnalyser, QOverload<const FrequencySpectrum&>::of(&SpectrumAnalyser::spectrumChanged), + this, QOverload<const FrequencySpectrum&>::of(&Engine::spectrumChanged)); // This code might misinterpret things like "-something -category". But // it's unlikely that that needs to be supported so we'll let it go. @@ -243,16 +241,17 @@ void Engine::startRecording() setRecordPosition(0, true); stopPlayback(); m_mode = QAudio::AudioInput; - CHECKED_CONNECT(m_audioInput, SIGNAL(stateChanged(QAudio::State)), - this, SLOT(audioStateChanged(QAudio::State))); - CHECKED_CONNECT(m_audioInput, SIGNAL(notify()), - this, SLOT(audioNotify())); + connect(m_audioInput, &QAudioInput::stateChanged, + this, &Engine::audioStateChanged); + connect(m_audioInput, &QAudioInput::notify, + this, &Engine::audioNotify); + m_count = 0; m_dataLength = 0; emit dataLengthChanged(0); m_audioInputIODevice = m_audioInput->start(); - CHECKED_CONNECT(m_audioInputIODevice, SIGNAL(readyRead()), - this, SLOT(audioDataReady())); + connect(m_audioInputIODevice, &QIODevice::readyRead, + this, &Engine::audioDataReady); } } } @@ -275,10 +274,11 @@ void Engine::startPlayback() setPlayPosition(0, true); stopRecording(); m_mode = QAudio::AudioOutput; - CHECKED_CONNECT(m_audioOutput, SIGNAL(stateChanged(QAudio::State)), - this, SLOT(audioStateChanged(QAudio::State))); - CHECKED_CONNECT(m_audioOutput, SIGNAL(notify()), - this, SLOT(audioNotify())); + connect(m_audioOutput, &QAudioOutput::stateChanged, + this, &Engine::audioStateChanged); + connect(m_audioOutput, &QAudioOutput::notify, + this, &Engine::audioNotify); + m_count = 0; if (m_file) { m_file->seek(0); diff --git a/examples/multimedia/spectrum/app/levelmeter.cpp b/examples/multimedia/spectrum/app/levelmeter.cpp index a2741d23f..1c720905c 100644 --- a/examples/multimedia/spectrum/app/levelmeter.cpp +++ b/examples/multimedia/spectrum/app/levelmeter.cpp @@ -77,7 +77,8 @@ LevelMeter::LevelMeter(QWidget *parent) setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred); setMinimumWidth(30); - connect(m_redrawTimer, SIGNAL(timeout()), this, SLOT(redrawTimerExpired())); + connect(m_redrawTimer, &QTimer::timeout, + this, &LevelMeter::redrawTimerExpired); m_redrawTimer->start(RedrawInterval); } diff --git a/examples/multimedia/spectrum/app/mainwidget.cpp b/examples/multimedia/spectrum/app/mainwidget.cpp index 6585fec94..945313f32 100644 --- a/examples/multimedia/spectrum/app/mainwidget.cpp +++ b/examples/multimedia/spectrum/app/mainwidget.cpp @@ -339,62 +339,62 @@ void MainWidget::createUi() void MainWidget::connectUi() { - CHECKED_CONNECT(m_recordButton, SIGNAL(clicked()), - m_engine, SLOT(startRecording())); + connect(m_recordButton, &QPushButton::clicked, + m_engine, &Engine::startRecording); - CHECKED_CONNECT(m_pauseButton, SIGNAL(clicked()), - m_engine, SLOT(suspend())); + connect(m_pauseButton, &QPushButton::clicked, + m_engine, &Engine::suspend); - CHECKED_CONNECT(m_playButton, SIGNAL(clicked()), - m_engine, SLOT(startPlayback())); + connect(m_playButton, &QPushButton::clicked, + m_engine, &Engine::startPlayback); - CHECKED_CONNECT(m_settingsButton, SIGNAL(clicked()), - this, SLOT(showSettingsDialog())); + connect(m_settingsButton, &QPushButton::clicked, + this, &MainWidget::showSettingsDialog); - CHECKED_CONNECT(m_engine, SIGNAL(stateChanged(QAudio::Mode,QAudio::State)), - this, SLOT(stateChanged(QAudio::Mode,QAudio::State))); + connect(m_engine, &Engine::stateChanged, + this, &MainWidget::stateChanged); - CHECKED_CONNECT(m_engine, SIGNAL(formatChanged(const QAudioFormat &)), - this, SLOT(formatChanged(const QAudioFormat &))); + connect(m_engine, &Engine::formatChanged, + this, &MainWidget::formatChanged); m_progressBar->bufferLengthChanged(m_engine->bufferLength()); - CHECKED_CONNECT(m_engine, SIGNAL(bufferLengthChanged(qint64)), - this, SLOT(bufferLengthChanged(qint64))); + connect(m_engine, &Engine::bufferLengthChanged, + this, &MainWidget::bufferLengthChanged); - CHECKED_CONNECT(m_engine, SIGNAL(dataLengthChanged(qint64)), - this, SLOT(updateButtonStates())); + connect(m_engine, &Engine::dataLengthChanged, + this, &MainWidget::updateButtonStates); - CHECKED_CONNECT(m_engine, SIGNAL(recordPositionChanged(qint64)), - m_progressBar, SLOT(recordPositionChanged(qint64))); + connect(m_engine, &Engine::recordPositionChanged, + m_progressBar, &ProgressBar::recordPositionChanged); - CHECKED_CONNECT(m_engine, SIGNAL(playPositionChanged(qint64)), - m_progressBar, SLOT(playPositionChanged(qint64))); + connect(m_engine, &Engine::playPositionChanged, + m_progressBar, &ProgressBar::playPositionChanged); - CHECKED_CONNECT(m_engine, SIGNAL(recordPositionChanged(qint64)), - this, SLOT(audioPositionChanged(qint64))); + connect(m_engine, &Engine::recordPositionChanged, + this, &MainWidget::audioPositionChanged); - CHECKED_CONNECT(m_engine, SIGNAL(playPositionChanged(qint64)), - this, SLOT(audioPositionChanged(qint64))); + connect(m_engine, &Engine::playPositionChanged, + this, &MainWidget::audioPositionChanged); - CHECKED_CONNECT(m_engine, SIGNAL(levelChanged(qreal, qreal, int)), - m_levelMeter, SLOT(levelChanged(qreal, qreal, int))); + connect(m_engine, &Engine::levelChanged, + m_levelMeter, &LevelMeter::levelChanged); - CHECKED_CONNECT(m_engine, SIGNAL(spectrumChanged(qint64, qint64, const FrequencySpectrum &)), - this, SLOT(spectrumChanged(qint64, qint64, const FrequencySpectrum &))); + connect(m_engine, QOverload<qint64, qint64, const FrequencySpectrum&>::of(&Engine::spectrumChanged), + this, QOverload<qint64, qint64, const FrequencySpectrum&>::of(&MainWidget::spectrumChanged)); - CHECKED_CONNECT(m_engine, SIGNAL(infoMessage(QString, int)), - this, SLOT(infoMessage(QString, int))); + connect(m_engine, &Engine::infoMessage, + this, &MainWidget::infoMessage); - CHECKED_CONNECT(m_engine, SIGNAL(errorMessage(QString, QString)), - this, SLOT(errorMessage(QString, QString))); + connect(m_engine, &Engine::errorMessage, + this, &MainWidget::errorMessage); - CHECKED_CONNECT(m_spectrograph, SIGNAL(infoMessage(QString, int)), - this, SLOT(infoMessage(QString, int))); + connect(m_spectrograph, &Spectrograph::infoMessage, + this, &MainWidget::infoMessage); #ifndef DISABLE_WAVEFORM - CHECKED_CONNECT(m_engine, SIGNAL(bufferChanged(qint64, qint64, const QByteArray &)), - m_waveform, SLOT(bufferChanged(qint64, qint64, const QByteArray &))); + connect(m_engine, &Engine::bufferChanged, + m_waveform, &Waveform::bufferChanged); #endif } @@ -410,9 +410,9 @@ void MainWidget::createMenus() m_generateToneAction->setCheckable(true); m_recordAction->setCheckable(true); - connect(m_loadFileAction, SIGNAL(triggered(bool)), this, SLOT(showFileDialog())); - connect(m_generateToneAction, SIGNAL(triggered(bool)), this, SLOT(showToneGeneratorDialog())); - connect(m_recordAction, SIGNAL(triggered(bool)), this, SLOT(initializeRecord())); + connect(m_loadFileAction, &QAction::triggered, this, &MainWidget::showFileDialog); + connect(m_generateToneAction, &QAction::triggered, this, &MainWidget::showToneGeneratorDialog); + connect(m_recordAction, &QAction::triggered, this, &MainWidget::initializeRecord); } void MainWidget::updateButtonStates() diff --git a/examples/multimedia/spectrum/app/settingsdialog.cpp b/examples/multimedia/spectrum/app/settingsdialog.cpp index 109817cd2..f1723077e 100644 --- a/examples/multimedia/spectrum/app/settingsdialog.cpp +++ b/examples/multimedia/spectrum/app/settingsdialog.cpp @@ -114,12 +114,12 @@ SettingsDialog::SettingsDialog( windowFunctionLayout.take(); // ownership transferred to dialogLayout // Connect - CHECKED_CONNECT(m_inputDeviceComboBox, SIGNAL(activated(int)), - this, SLOT(inputDeviceChanged(int))); - CHECKED_CONNECT(m_outputDeviceComboBox, SIGNAL(activated(int)), - this, SLOT(outputDeviceChanged(int))); - CHECKED_CONNECT(m_windowFunctionComboBox, SIGNAL(activated(int)), - this, SLOT(windowFunctionChanged(int))); + connect(m_inputDeviceComboBox, QOverload<int>::of(&QComboBox::activated), + this, &SettingsDialog::inputDeviceChanged); + connect(m_outputDeviceComboBox, QOverload<int>::of(&QComboBox::activated), + this, &SettingsDialog::outputDeviceChanged); + connect(m_windowFunctionComboBox, QOverload<int>::of(&QComboBox::activated), + this, &SettingsDialog::windowFunctionChanged); // Add standard buttons to layout QDialogButtonBox *buttonBox = new QDialogButtonBox(this); @@ -127,10 +127,10 @@ SettingsDialog::SettingsDialog( dialogLayout->addWidget(buttonBox); // Connect standard buttons - CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Ok), SIGNAL(clicked()), - this, SLOT(accept())); - CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Cancel), SIGNAL(clicked()), - this, SLOT(reject())); + connect(buttonBox->button(QDialogButtonBox::Ok), &QPushButton::clicked, + this, &SettingsDialog::accept); + connect(buttonBox->button(QDialogButtonBox::Cancel), &QPushButton::clicked, + this, &SettingsDialog::reject); setLayout(dialogLayout); } diff --git a/examples/multimedia/spectrum/app/spectrum.h b/examples/multimedia/spectrum/app/spectrum.h index 1d0eedeff..aea9ce7c5 100644 --- a/examples/multimedia/spectrum/app/spectrum.h +++ b/examples/multimedia/spectrum/app/spectrum.h @@ -130,22 +130,6 @@ struct SweptTone qreal amplitude; }; - -//----------------------------------------------------------------------------- -// Macros -//----------------------------------------------------------------------------- - -// Macro which connects a signal to a slot, and which causes application to -// abort if the connection fails. This is intended to catch programming errors -// such as mis-typing a signal or slot name. It is necessary to write our own -// macro to do this - the following idiom -// Q_ASSERT(connect(source, signal, receiver, slot)); -// will not work because Q_ASSERT compiles to a no-op in release builds. - -#define CHECKED_CONNECT(source, signal, receiver, slot) \ - if (!connect(source, signal, receiver, slot)) \ - qt_assert_x(Q_FUNC_INFO, "CHECKED_CONNECT failed", __FILE__, __LINE__); - // Handle some dependencies between macros defined in the .pro file #ifdef DISABLE_WAVEFORM diff --git a/examples/multimedia/spectrum/app/spectrumanalyser.cpp b/examples/multimedia/spectrum/app/spectrumanalyser.cpp index 466c67188..ee024147f 100644 --- a/examples/multimedia/spectrum/app/spectrumanalyser.cpp +++ b/examples/multimedia/spectrum/app/spectrumanalyser.cpp @@ -172,8 +172,8 @@ SpectrumAnalyser::SpectrumAnalyser(QObject *parent) , m_count(0) #endif { - CHECKED_CONNECT(m_thread, SIGNAL(calculationComplete(FrequencySpectrum)), - this, SLOT(calculationComplete(FrequencySpectrum))); + connect(m_thread, &SpectrumAnalyserThread::calculationComplete, + this, &SpectrumAnalyser::calculationComplete); } SpectrumAnalyser::~SpectrumAnalyser() diff --git a/examples/multimedia/spectrum/app/tonegeneratordialog.cpp b/examples/multimedia/spectrum/app/tonegeneratordialog.cpp index 55f998417..76fe5d2e3 100644 --- a/examples/multimedia/spectrum/app/tonegeneratordialog.cpp +++ b/examples/multimedia/spectrum/app/tonegeneratordialog.cpp @@ -106,12 +106,12 @@ ToneGeneratorDialog::ToneGeneratorDialog(QWidget *parent) dialogLayout->addWidget(m_toneGeneratorControl); // Connect - CHECKED_CONNECT(m_toneGeneratorSweepCheckBox, SIGNAL(toggled(bool)), - this, SLOT(frequencySweepEnabled(bool))); - CHECKED_CONNECT(m_frequencySlider, SIGNAL(valueChanged(int)), - m_frequencySpinBox, SLOT(setValue(int))); - CHECKED_CONNECT(m_frequencySpinBox, SIGNAL(valueChanged(int)), - m_frequencySlider, SLOT(setValue(int))); + connect(m_toneGeneratorSweepCheckBox, &QCheckBox::toggled, + this, &ToneGeneratorDialog::frequencySweepEnabled); + connect(m_frequencySlider, &QSlider::valueChanged, + m_frequencySpinBox, &QSpinBox::setValue); + connect(m_frequencySpinBox, QOverload<int>::of(&QSpinBox::valueChanged), + m_frequencySlider, &QSlider::setValue); // Add standard buttons to layout QDialogButtonBox *buttonBox = new QDialogButtonBox(this); @@ -119,10 +119,10 @@ ToneGeneratorDialog::ToneGeneratorDialog(QWidget *parent) dialogLayout->addWidget(buttonBox); // Connect standard buttons - CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Ok), SIGNAL(clicked()), - this, SLOT(accept())); - CHECKED_CONNECT(buttonBox->button(QDialogButtonBox::Cancel), SIGNAL(clicked()), - this, SLOT(reject())); + connect(buttonBox->button(QDialogButtonBox::Ok), &QPushButton::clicked, + this, &ToneGeneratorDialog::accept); + connect(buttonBox->button(QDialogButtonBox::Cancel), &QPushButton::clicked, + this, &ToneGeneratorDialog::reject); setLayout(dialogLayout); } diff --git a/examples/multimedia/video/qmlvideo/main.cpp b/examples/multimedia/video/qmlvideo/main.cpp index a09ea534e..e288c0ae4 100644 --- a/examples/multimedia/video/qmlvideo/main.cpp +++ b/examples/multimedia/video/qmlvideo/main.cpp @@ -122,7 +122,7 @@ int main(int argc, char *argv[]) QQuickView viewer; viewer.setSource(QUrl("qrc:///qml/qmlvideo/main.qml")); - QObject::connect(viewer.engine(), SIGNAL(quit()), &viewer, SLOT(close())); + QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QQuickView::close); QQuickItem *rootObject = viewer.rootObject(); rootObject->setProperty("source1", url1); diff --git a/examples/multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.cpp b/examples/multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.cpp index 33cead8e0..27102b0c5 100644 --- a/examples/multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.cpp +++ b/examples/multimedia/video/qmlvideofx/qmlapplicationviewer/qmlapplicationviewer.cpp @@ -90,7 +90,7 @@ QmlApplicationViewer::QmlApplicationViewer(QWindow *parent) : QQuickView(parent) , d(new QmlApplicationViewerPrivate(this)) { - connect(engine(), SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit())); + connect(engine(), &QQmlEngine::quit, QCoreApplication::instance(), &QCoreApplication::quit); setResizeMode(QQuickView::SizeRootObjectToView); } @@ -98,7 +98,7 @@ QmlApplicationViewer::QmlApplicationViewer(QQuickView *view, QWindow *parent) : QQuickView(parent) , d(new QmlApplicationViewerPrivate(view)) { - connect(view->engine(), SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit())); + connect(view->engine(), &QQmlEngine::quit, QCoreApplication::instance(), &QCoreApplication::quit); view->setResizeMode(QQuickView::SizeRootObjectToView); } diff --git a/examples/multimedia/video/snippets/frequencymonitor/frequencymonitor.cpp b/examples/multimedia/video/snippets/frequencymonitor/frequencymonitor.cpp index fb31c7b1e..d611497fe 100644 --- a/examples/multimedia/video/snippets/frequencymonitor/frequencymonitor.cpp +++ b/examples/multimedia/video/snippets/frequencymonitor/frequencymonitor.cpp @@ -105,18 +105,18 @@ FrequencyMonitorPrivate::FrequencyMonitorPrivate(FrequencyMonitor *parent) , m_stalledTimer(new QTimer(this)) { m_instantaneousElapsed.start(); - connect(m_averageTimer, SIGNAL(timeout()), - this, SLOT(calculateAverageFrequency())); + connect(m_averageTimer, &QTimer::timeout, + this, &FrequencyMonitorPrivate::calculateAverageFrequency); if (DefaultSamplingInterval) m_averageTimer->start(DefaultSamplingInterval); m_averageElapsed.start(); - connect(m_traceTimer, SIGNAL(timeout()), - q_ptr, SLOT(trace())); + connect(m_traceTimer, &QTimer::timeout, + q_ptr, &FrequencyMonitor::trace); if (DefaultTraceInterval) m_traceTimer->start(DefaultTraceInterval); m_stalledTimer->setSingleShot(true); - connect(m_stalledTimer, SIGNAL(timeout()), - this, SLOT(stalled())); + connect(m_stalledTimer, &QTimer::timeout, + this, &FrequencyMonitorPrivate::stalled); } void FrequencyMonitorPrivate::calculateInstantaneousFrequency() diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp index 7da566a20..60b93a116 100644 --- a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp +++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.cpp @@ -80,24 +80,25 @@ VideoPlayer::VideoPlayer(QWidget *parent) rotateSlider->setRange(-180, 180); rotateSlider->setValue(0); - connect(rotateSlider, SIGNAL(valueChanged(int)), - this, SLOT(rotateVideo(int))); + connect(rotateSlider, &QSlider::valueChanged, + this, &VideoPlayer::rotateVideo); QAbstractButton *openButton = new QPushButton(tr("Open...")); - connect(openButton, SIGNAL(clicked()), this, SLOT(openFile())); + connect(openButton, &QAbstractButton::clicked, + this, &VideoPlayer::openFile); playButton = new QPushButton; playButton->setEnabled(false); playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - connect(playButton, SIGNAL(clicked()), - this, SLOT(play())); + connect(playButton, &QAbstractButton::clicked, + this, &VideoPlayer::play); positionSlider = new QSlider(Qt::Horizontal); positionSlider->setRange(0, 0); - connect(positionSlider, SIGNAL(sliderMoved(int)), - this, SLOT(setPosition(int))); + connect(positionSlider, &QSlider::sliderMoved, + this, &VideoPlayer::setPosition); QBoxLayout *controlLayout = new QHBoxLayout; controlLayout->setMargin(0); @@ -113,10 +114,10 @@ VideoPlayer::VideoPlayer(QWidget *parent) setLayout(layout); mediaPlayer.setVideoOutput(videoItem); - connect(&mediaPlayer, SIGNAL(stateChanged(QMediaPlayer::State)), - this, SLOT(mediaStateChanged(QMediaPlayer::State))); - connect(&mediaPlayer, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64))); - connect(&mediaPlayer, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64))); + connect(&mediaPlayer, &QMediaPlayer::stateChanged, + this, &VideoPlayer::mediaStateChanged); + connect(&mediaPlayer, &QMediaPlayer::positionChanged, this, &VideoPlayer::positionChanged); + connect(&mediaPlayer, &QMediaPlayer::durationChanged, this, &VideoPlayer::durationChanged); } VideoPlayer::~VideoPlayer() diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp index 7d0759c35..7730f8140 100644 --- a/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp +++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videoplayer.cpp @@ -64,20 +64,21 @@ VideoPlayer::VideoPlayer(QWidget *parent) VideoWidget *videoWidget = new VideoWidget; QAbstractButton *openButton = new QPushButton(tr("Open...")); - connect(openButton, SIGNAL(clicked()), this, SLOT(openFile())); + connect(openButton, &QAbstractButton::clicked, + this, &VideoPlayer::openFile); playButton = new QPushButton; playButton->setEnabled(false); playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - connect(playButton, SIGNAL(clicked()), - this, SLOT(play())); + connect(playButton, &QAbstractButton::clicked, + this, &VideoPlayer::play); positionSlider = new QSlider(Qt::Horizontal); positionSlider->setRange(0, 0); - connect(positionSlider, SIGNAL(sliderMoved(int)), - this, SLOT(setPosition(int))); + connect(positionSlider, &QSlider::sliderMoved, + this, &VideoPlayer::setPosition); QBoxLayout *controlLayout = new QHBoxLayout; controlLayout->setMargin(0); @@ -92,10 +93,10 @@ VideoPlayer::VideoPlayer(QWidget *parent) setLayout(layout); mediaPlayer.setVideoOutput(videoWidget->videoSurface()); - connect(&mediaPlayer, SIGNAL(stateChanged(QMediaPlayer::State)), - this, SLOT(mediaStateChanged(QMediaPlayer::State))); - connect(&mediaPlayer, SIGNAL(positionChanged(qint64)), this, SLOT(positionChanged(qint64))); - connect(&mediaPlayer, SIGNAL(durationChanged(qint64)), this, SLOT(durationChanged(qint64))); + connect(&mediaPlayer, &QMediaPlayer::stateChanged, + this, &VideoPlayer::mediaStateChanged); + connect(&mediaPlayer, &QMediaPlayer::positionChanged, this, &VideoPlayer::positionChanged); + connect(&mediaPlayer, &QMediaPlayer::durationChanged, this, &VideoPlayer::durationChanged); } VideoPlayer::~VideoPlayer() |