diff options
Diffstat (limited to 'examples/multimediawidgets/player/playercontrols.cpp')
| -rw-r--r-- | examples/multimediawidgets/player/playercontrols.cpp | 119 |
1 files changed, 55 insertions, 64 deletions
diff --git a/examples/multimediawidgets/player/playercontrols.cpp b/examples/multimediawidgets/player/playercontrols.cpp index e91f09460..2a1869b93 100644 --- a/examples/multimediawidgets/player/playercontrols.cpp +++ b/examples/multimediawidgets/player/playercontrols.cpp @@ -59,89 +59,80 @@ PlayerControls::PlayerControls(QWidget *parent) : QWidget(parent) - , playerState(QMediaPlayer::StoppedState) - , playerMuted(false) - , playButton(0) - , stopButton(0) - , nextButton(0) - , previousButton(0) - , muteButton(0) - , volumeSlider(0) - , rateBox(0) { - playButton = new QToolButton(this); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); + m_playButton = new QToolButton(this); + m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); - connect(playButton, SIGNAL(clicked()), this, SLOT(playClicked())); + connect(m_playButton, &QAbstractButton::clicked, this, &PlayerControls::playClicked); - stopButton = new QToolButton(this); - stopButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop)); - stopButton->setEnabled(false); + m_stopButton = new QToolButton(this); + m_stopButton->setIcon(style()->standardIcon(QStyle::SP_MediaStop)); + m_stopButton->setEnabled(false); - connect(stopButton, SIGNAL(clicked()), this, SIGNAL(stop())); + connect(m_stopButton, &QAbstractButton::clicked, this, &PlayerControls::stop); - nextButton = new QToolButton(this); - nextButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipForward)); + m_nextButton = new QToolButton(this); + m_nextButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipForward)); - connect(nextButton, SIGNAL(clicked()), this, SIGNAL(next())); + connect(m_nextButton, &QAbstractButton::clicked, this, &PlayerControls::next); - previousButton = new QToolButton(this); - previousButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipBackward)); + m_previousButton = new QToolButton(this); + m_previousButton->setIcon(style()->standardIcon(QStyle::SP_MediaSkipBackward)); - connect(previousButton, SIGNAL(clicked()), this, SIGNAL(previous())); + connect(m_previousButton, &QAbstractButton::clicked, this, &PlayerControls::previous); - muteButton = new QToolButton(this); - muteButton->setIcon(style()->standardIcon(QStyle::SP_MediaVolume)); + m_muteButton = new QToolButton(this); + m_muteButton->setIcon(style()->standardIcon(QStyle::SP_MediaVolume)); - connect(muteButton, SIGNAL(clicked()), this, SLOT(muteClicked())); + connect(m_muteButton, &QAbstractButton::clicked, this, &PlayerControls::muteClicked); - volumeSlider = new QSlider(Qt::Horizontal, this); - volumeSlider->setRange(0, 100); + m_volumeSlider = new QSlider(Qt::Horizontal, this); + m_volumeSlider->setRange(0, 100); - connect(volumeSlider, SIGNAL(valueChanged(int)), this, SLOT(onVolumeSliderValueChanged())); + connect(m_volumeSlider, &QSlider::valueChanged, this, &PlayerControls::onVolumeSliderValueChanged); - rateBox = new QComboBox(this); - rateBox->addItem("0.5x", QVariant(0.5)); - rateBox->addItem("1.0x", QVariant(1.0)); - rateBox->addItem("2.0x", QVariant(2.0)); - rateBox->setCurrentIndex(1); + m_rateBox = new QComboBox(this); + m_rateBox->addItem("0.5x", QVariant(0.5)); + m_rateBox->addItem("1.0x", QVariant(1.0)); + m_rateBox->addItem("2.0x", QVariant(2.0)); + m_rateBox->setCurrentIndex(1); - connect(rateBox, SIGNAL(activated(int)), SLOT(updateRate())); + connect(m_rateBox, QOverload<int>::of(&QComboBox::activated), this, &PlayerControls::updateRate); QBoxLayout *layout = new QHBoxLayout; layout->setMargin(0); - layout->addWidget(stopButton); - layout->addWidget(previousButton); - layout->addWidget(playButton); - layout->addWidget(nextButton); - layout->addWidget(muteButton); - layout->addWidget(volumeSlider); - layout->addWidget(rateBox); + layout->addWidget(m_stopButton); + layout->addWidget(m_previousButton); + layout->addWidget(m_playButton); + layout->addWidget(m_nextButton); + layout->addWidget(m_muteButton); + layout->addWidget(m_volumeSlider); + layout->addWidget(m_rateBox); setLayout(layout); } QMediaPlayer::State PlayerControls::state() const { - return playerState; + return m_playerState; } void PlayerControls::setState(QMediaPlayer::State state) { - if (state != playerState) { - playerState = state; + if (state != m_playerState) { + m_playerState = state; switch (state) { case QMediaPlayer::StoppedState: - stopButton->setEnabled(false); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); + m_stopButton->setEnabled(false); + m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); break; case QMediaPlayer::PlayingState: - stopButton->setEnabled(true); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause)); + m_stopButton->setEnabled(true); + m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPause)); break; case QMediaPlayer::PausedState: - stopButton->setEnabled(true); - playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); + m_stopButton->setEnabled(true); + m_playButton->setIcon(style()->standardIcon(QStyle::SP_MediaPlay)); break; } } @@ -149,7 +140,7 @@ void PlayerControls::setState(QMediaPlayer::State state) int PlayerControls::volume() const { - qreal linearVolume = QAudio::convertVolume(volumeSlider->value() / qreal(100), + qreal linearVolume = QAudio::convertVolume(m_volumeSlider->value() / qreal(100), QAudio::LogarithmicVolumeScale, QAudio::LinearVolumeScale); @@ -162,20 +153,20 @@ void PlayerControls::setVolume(int volume) QAudio::LinearVolumeScale, QAudio::LogarithmicVolumeScale); - volumeSlider->setValue(qRound(logarithmicVolume * 100)); + m_volumeSlider->setValue(qRound(logarithmicVolume * 100)); } bool PlayerControls::isMuted() const { - return playerMuted; + return m_playerMuted; } void PlayerControls::setMuted(bool muted) { - if (muted != playerMuted) { - playerMuted = muted; + if (muted != m_playerMuted) { + m_playerMuted = muted; - muteButton->setIcon(style()->standardIcon(muted + m_muteButton->setIcon(style()->standardIcon(muted ? QStyle::SP_MediaVolumeMuted : QStyle::SP_MediaVolume)); } @@ -183,7 +174,7 @@ void PlayerControls::setMuted(bool muted) void PlayerControls::playClicked() { - switch (playerState) { + switch (m_playerState) { case QMediaPlayer::StoppedState: case QMediaPlayer::PausedState: emit play(); @@ -196,25 +187,25 @@ void PlayerControls::playClicked() void PlayerControls::muteClicked() { - emit changeMuting(!playerMuted); + emit changeMuting(!m_playerMuted); } qreal PlayerControls::playbackRate() const { - return rateBox->itemData(rateBox->currentIndex()).toDouble(); + return m_rateBox->itemData(m_rateBox->currentIndex()).toDouble(); } void PlayerControls::setPlaybackRate(float rate) { - for (int i = 0; i < rateBox->count(); ++i) { - if (qFuzzyCompare(rate, float(rateBox->itemData(i).toDouble()))) { - rateBox->setCurrentIndex(i); + for (int i = 0; i < m_rateBox->count(); ++i) { + if (qFuzzyCompare(rate, float(m_rateBox->itemData(i).toDouble()))) { + m_rateBox->setCurrentIndex(i); return; } } - rateBox->addItem(QString("%1x").arg(rate), QVariant(rate)); - rateBox->setCurrentIndex(rateBox->count() - 1); + m_rateBox->addItem(QString("%1x").arg(rate), QVariant(rate)); + m_rateBox->setCurrentIndex(m_rateBox->count() - 1); } void PlayerControls::updateRate() |