QRadioTunerControl Class
The QRadioTunerControl class provides access to the radio tuning functionality of a QMediaService. More...
Header: | #include <QRadioTunerControl> |
qmake: | QT += multimedia |
Inherits: | QMediaControl |
Public Functions
virtual | ~QRadioTunerControl() |
virtual QRadioTuner::Band | band() const = 0 |
virtual void | cancelSearch() = 0 |
virtual QRadioTuner::Error | error() const = 0 |
virtual QString | errorString() const = 0 |
virtual int | frequency() const = 0 |
virtual QPair<int, int> | frequencyRange(QRadioTuner::Band b) const = 0 |
virtual int | frequencyStep(QRadioTuner::Band b) const = 0 |
virtual bool | isAntennaConnected() const |
virtual bool | isBandSupported(QRadioTuner::Band b) const = 0 |
virtual bool | isMuted() const = 0 |
virtual bool | isSearching() const = 0 |
virtual bool | isStereo() const = 0 |
virtual void | searchAllStations(QRadioTuner::SearchMode searchMode = QRadioTuner::SearchFast) = 0 |
virtual void | searchBackward() = 0 |
virtual void | searchForward() = 0 |
virtual void | setBand(QRadioTuner::Band b) = 0 |
virtual void | setFrequency(int frequency) = 0 |
virtual void | setMuted(bool muted) = 0 |
virtual void | setStereoMode(QRadioTuner::StereoMode mode) = 0 |
virtual void | setVolume(int volume) = 0 |
virtual int | signalStrength() const = 0 |
virtual void | start() = 0 |
virtual QRadioTuner::State | state() const = 0 |
virtual QRadioTuner::StereoMode | stereoMode() const = 0 |
virtual void | stop() = 0 |
virtual int | volume() const = 0 |
- 31 public functions inherited from QObject
Signals
void | antennaConnectedChanged(bool connectionStatus) |
void | bandChanged(QRadioTuner::Band band) |
void | error(QRadioTuner::Error err) |
void | frequencyChanged(int frequency) |
void | mutedChanged(bool muted) |
void | searchingChanged(bool searching) |
void | signalStrengthChanged(int signalStrength) |
void | stateChanged(QRadioTuner::State state) |
void | stationFound(int frequency, QString stationId) |
void | stereoStatusChanged(bool stereo) |
void | volumeChanged(int volume) |
- 2 signals inherited from QObject
Static Public Members
const QMetaObject | staticMetaObject |
- 9 static public members inherited from QObject
Protected Functions
QRadioTunerControl(QObject *parent = nullptr) |
- 9 protected functions inherited from QObject
Macros
Additional Inherited Members
Detailed Description
The QRadioTunerControl class provides access to the radio tuning functionality of a QMediaService.
If a QMediaService can tune an analog radio device it will implement QRadioTunerControl. This control provides a means to tune a radio device to a specific frequency as well as search forwards and backwards for a signal.
The functionality provided by this control is exposed to application code through the QRadioTuner class.
The interface name of QRadioTunerControl is org.qt-project.qt.radiotunercontrol/5.0
as defined in QRadioTunerControl_iid.
See also QMediaService::requestControl() and QRadioTuner.
Member Function Documentation
[protected]
QRadioTunerControl::QRadioTunerControl(QObject *parent = nullptr)
Constructs a radio tuner control with the given parent.
[virtual]
QRadioTunerControl::~QRadioTunerControl()
Destroys a radio tuner control.
[signal]
void QRadioTunerControl::antennaConnectedChanged(bool connectionStatus)
[pure virtual]
QRadioTuner::Band QRadioTunerControl::band() const
See also setBand().
[signal]
void QRadioTunerControl::bandChanged(QRadioTuner::Band band)
[pure virtual]
void QRadioTunerControl::cancelSearch()
[pure virtual]
QRadioTuner::Error QRadioTunerControl::error() const
[signal]
void QRadioTunerControl::error(QRadioTuner::Error err)
Note: Signal error is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining the function pointer as shown in this example:
connect(radioTunerControl, QOverload<QRadioTuner::Error>::of(&QRadioTunerControl::error), [=](QRadioTuner::Error err){ /* ... */ });
[pure virtual]
QString QRadioTunerControl::errorString() const
[pure virtual]
int QRadioTunerControl::frequency() const
See also setFrequency().
[signal]
void QRadioTunerControl::frequencyChanged(int frequency)
[pure virtual]
QPair<int, int> QRadioTunerControl::frequencyRange(QRadioTuner::Band b) const
[pure virtual]
int QRadioTunerControl::frequencyStep(QRadioTuner::Band b) const
[virtual]
bool QRadioTunerControl::isAntennaConnected() const
[pure virtual]
bool QRadioTunerControl::isBandSupported(QRadioTuner::Band b) const
[pure virtual]
bool QRadioTunerControl::isMuted() const
[pure virtual]
bool QRadioTunerControl::isSearching() const
[pure virtual]
bool QRadioTunerControl::isStereo() const
[signal]
void QRadioTunerControl::mutedChanged(bool muted)
[pure virtual]
void QRadioTunerControl::searchAllStations(QRadioTuner::SearchMode searchMode = QRadioTuner::SearchFast)
[pure virtual]
void QRadioTunerControl::searchBackward()
[pure virtual]
void QRadioTunerControl::searchForward()
[signal]
void QRadioTunerControl::searchingChanged(bool searching)
[pure virtual]
void QRadioTunerControl::setBand(QRadioTuner::Band b)
See also band().
[pure virtual]
void QRadioTunerControl::setFrequency(int frequency)
See also frequency().
[pure virtual]
void QRadioTunerControl::setMuted(bool muted)
See also isMuted().
[pure virtual]
void QRadioTunerControl::setStereoMode(QRadioTuner::StereoMode mode)
See also stereoMode().
[pure virtual]
void QRadioTunerControl::setVolume(int volume)
See also volume().
[pure virtual]
int QRadioTunerControl::signalStrength() const
[signal]
void QRadioTunerControl::signalStrengthChanged(int signalStrength)
[pure virtual]
void QRadioTunerControl::start()
[pure virtual]
QRadioTuner::State QRadioTunerControl::state() const
[signal]
void QRadioTunerControl::stateChanged(QRadioTuner::State state)
[signal]
void QRadioTunerControl::stationFound(int frequency, QString stationId)
[pure virtual]
QRadioTuner::StereoMode QRadioTunerControl::stereoMode() const
See also setStereoMode().
[signal]
void QRadioTunerControl::stereoStatusChanged(bool stereo)
[pure virtual]
void QRadioTunerControl::stop()
[pure virtual]
int QRadioTunerControl::volume() const
See also setVolume().
[signal]
void QRadioTunerControl::volumeChanged(int volume)
Macro Documentation
QRadioTunerControl_iid
org.qt-project.qt.radiotunercontrol/5.0
Defines the interface name of the QRadioTunerControl class.