<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qradiotunercontrol.cpp --> <title>QRadioTunerControl Class | Qt Multimedia 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QRadioTunerControl</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtmultimedia-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#signals">Signals</a></li> <li class="level1"><a href="#static-public-members">Static Public Members</a></li> <li class="level1"><a href="#protected-functions">Protected Functions</a></li> <li class="level1"><a href="#macros">Macros</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QRadioTunerControl Class</h1> <!-- $$$QRadioTunerControl-brief --> <p>The <a href="qradiotunercontrol.html">QRadioTunerControl</a> class provides access to the radio tuning functionality of a <a href="qmediaservice.html">QMediaService</a>. <a href="#details">More...</a></p> <!-- @@@QRadioTunerControl --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QRadioTunerControl></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += multimedia</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qmediacontrol.html">QMediaControl</a></td></tr></table></div><ul> <li><a href="qradiotunercontrol-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#dtor.QRadioTunerControl">~QRadioTunerControl</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioTuner::Band </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#band">band</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#cancelSearch">cancelSearch</a></b>() = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioTuner::Error </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#error">error</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#errorString">errorString</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#frequency">frequency</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QPair<int, int> </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#frequencyRange">frequencyRange</a></b>(QRadioTuner::Band <i>band</i>) const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#frequencyStep">frequencyStep</a></b>(QRadioTuner::Band <i>band</i>) const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#isAntennaConnected">isAntennaConnected</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#isBandSupported">isBandSupported</a></b>(QRadioTuner::Band <i>band</i>) const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#isMuted">isMuted</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#isSearching">isSearching</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#isStereo">isStereo</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#searchAllStations">searchAllStations</a></b>(QRadioTuner::SearchMode <i>searchMode</i> = QRadioTuner::SearchFast) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#searchBackward">searchBackward</a></b>() = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#searchForward">searchForward</a></b>() = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#setBand">setBand</a></b>(QRadioTuner::Band <i>band</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#setFrequency">setFrequency</a></b>(int <i>frequency</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#setMuted">setMuted</a></b>(bool <i>muted</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#setStereoMode">setStereoMode</a></b>(QRadioTuner::StereoMode <i>mode</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#setVolume">setVolume</a></b>(int <i>volume</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#signalStrength">signalStrength</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#start">start</a></b>() = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioTuner::State </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#state">state</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioTuner::StereoMode </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#stereoMode">stereoMode</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#stop">stop</a></b>() = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#volume">volume</a></b>() const = 0</td></tr> </table></div> <a name="signals"></a> <h2 id="signals">Signals</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#antennaConnectedChanged">antennaConnectedChanged</a></b>(bool <i>connectionStatus</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#bandChanged">bandChanged</a></b>(QRadioTuner::Band <i>band</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#error-1">error</a></b>(QRadioTuner::Error <i>error</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#frequencyChanged">frequencyChanged</a></b>(int <i>frequency</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#mutedChanged">mutedChanged</a></b>(bool <i>muted</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#searchingChanged">searchingChanged</a></b>(bool <i>searching</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#signalStrengthChanged">signalStrengthChanged</a></b>(int <i>strength</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#stateChanged">stateChanged</a></b>(QRadioTuner::State <i>state</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#stationFound">stationFound</a></b>(int <i>frequency</i>, QString <i>stationId</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#stereoStatusChanged">stereoStatusChanged</a></b>(bool <i>stereo</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#volumeChanged">volumeChanged</a></b>(int <i>volume</i>)</td></tr> </table></div> <a name="static-public-members"></a> <h2 id="static-public-members">Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#staticMetaObject-var">staticMetaObject</a></b></td></tr> </table></div> <a name="protected-functions"></a> <h2 id="protected-functions">Protected Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#QRadioTunerControl">QRadioTunerControl</a></b>(QObject *<i>parent</i> = nullptr)</td></tr> </table></div> <a name="macros"></a> <h2 id="macros">Macros</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotunercontrol.html#QRadioTunerControl_iid">QRadioTunerControl_iid</a></b></td></tr> </table></div> <a name="details"></a> <!-- $$$QRadioTunerControl-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qradiotunercontrol.html">QRadioTunerControl</a> class provides access to the radio tuning functionality of a <a href="qmediaservice.html">QMediaService</a>.</p> <p>If a <a href="qmediaservice.html">QMediaService</a> can tune an analog radio device it will implement <a href="qradiotunercontrol.html">QRadioTunerControl</a>. This control provides a means to tune a radio device to a specific <a href="qradiotunercontrol.html#setFrequency">frequency</a> as well as search <a href="qradiotunercontrol.html#searchForward">forwards</a> and <a href="qradiotunercontrol.html#searchBackward">backwards</a> for a signal.</p> <p>The functionality provided by this control is exposed to application code through the <a href="qradiotuner.html">QRadioTuner</a> class.</p> <p>The interface name of <a href="qradiotunercontrol.html">QRadioTunerControl</a> is <code>org.qt-project.qt.radiotunercontrol/5.0</code> as defined in <a href="qradiotunercontrol.html#QRadioTunerControl_iid">QRadioTunerControl_iid</a>.</p> </div> <p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qradiotuner.html">QRadioTuner</a>.</p> <!-- @@@QRadioTunerControl --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QRadioTunerControl[overload1]$$$QRadioTunerControlQObject* --> <h3 class="fn" id="QRadioTunerControl"><a name="QRadioTunerControl"></a><code>[protected] </code>QRadioTunerControl::<span class="name">QRadioTunerControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3> <p>Constructs a radio tuner control with the given <i>parent</i>.</p> <!-- @@@QRadioTunerControl --> <!-- $$$~QRadioTunerControl[overload1]$$$~QRadioTunerControl --> <h3 class="fn" id="dtor.QRadioTunerControl"><a name="dtor.QRadioTunerControl"></a><code>[virtual] </code>QRadioTunerControl::<span class="name">~QRadioTunerControl</span>()</h3> <p>Destroys a radio tuner control.</p> <!-- @@@~QRadioTunerControl --> <!-- $$$antennaConnectedChanged[overload1]$$$antennaConnectedChangedbool --> <h3 class="fn" id="antennaConnectedChanged"><a name="antennaConnectedChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">antennaConnectedChanged</span>(<span class="type">bool</span> <i>connectionStatus</i>)</h3> <p>Signals that the antenna has either been connected or disconnected as reflected with the <i>connectionStatus</i>.</p> <!-- @@@antennaConnectedChanged --> <!-- $$$band[overload1]$$$band --> <h3 class="fn" id="band"><a name="band"></a><code>[pure virtual] </code><span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> QRadioTunerControl::<span class="name">band</span>() const</h3> <p>Returns the frequency band a radio tuner is tuned to.</p> <p><b>See also </b><a href="qradiotunercontrol.html#setBand">setBand</a>().</p> <!-- @@@band --> <!-- $$$bandChanged[overload1]$$$bandChangedQRadioTuner::Band --> <h3 class="fn" id="bandChanged"><a name="bandChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">bandChanged</span>(<span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i>)</h3> <p>Signals that the frequency <i>band</i> a radio tuner is tuned to has changed.</p> <!-- @@@bandChanged --> <!-- $$$cancelSearch[overload1]$$$cancelSearch --> <h3 class="fn" id="cancelSearch"><a name="cancelSearch"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">cancelSearch</span>()</h3> <p>Stops scanning for a signal.</p> <!-- @@@cancelSearch --> <!-- $$$error[overload1]$$$error --> <h3 class="fn" id="error"><a name="error"></a><code>[pure virtual] </code><span class="type"><a href="qradiotuner.html#Error-enum">QRadioTuner::Error</a></span> QRadioTunerControl::<span class="name">error</span>() const</h3> <p>Returns the error state of a radio tuner.</p> <!-- @@@error --> <!-- $$$error$$$errorQRadioTuner::Error --> <h3 class="fn" id="error-1"><a name="error-1"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">error</span>(<span class="type"><a href="qradiotuner.html#Error-enum">QRadioTuner::Error</a></span> <i>error</i>)</h3> <p>Signals that an <i>error</i> has occurred.</p> <p><b>Note:</b> Signal <i>error</i> 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:<pre class="cpp"> connect(radioTunerControl<span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="type"><a href="qradiotuner.html">QRadioTuner</a></span><span class="operator">::</span>Error<span class="operator">></span><span class="operator">::</span>of(<span class="operator">&</span><span class="type"><a href="qradiotunercontrol.html#QRadioTunerControl">QRadioTunerControl</a></span><span class="operator">::</span>error)<span class="operator">,</span> <span class="operator">[</span><span class="operator">=</span><span class="operator">]</span>(<span class="type"><a href="qradiotuner.html">QRadioTuner</a></span><span class="operator">::</span>Error error){ <span class="comment">/* ... */</span> }); </pre> <!-- @@@error --> <!-- $$$errorString[overload1]$$$errorString --> <h3 class="fn" id="errorString"><a name="errorString"></a><code>[pure virtual] </code><span class="type">QString</span> QRadioTunerControl::<span class="name">errorString</span>() const</h3> <p>Returns a string describing a radio tuner's error state.</p> <!-- @@@errorString --> <!-- $$$frequency[overload1]$$$frequency --> <h3 class="fn" id="frequency"><a name="frequency"></a><code>[pure virtual] </code><span class="type">int</span> QRadioTunerControl::<span class="name">frequency</span>() const</h3> <p>Returns the frequency a radio tuner is tuned to.</p> <p><b>See also </b><a href="qradiotunercontrol.html#setFrequency">setFrequency</a>().</p> <!-- @@@frequency --> <!-- $$$frequencyChanged[overload1]$$$frequencyChangedint --> <h3 class="fn" id="frequencyChanged"><a name="frequencyChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">frequencyChanged</span>(<span class="type">int</span> <i>frequency</i>)</h3> <p>Signals that the <i>frequency</i> a radio tuner is tuned to has changed.</p> <!-- @@@frequencyChanged --> <!-- $$$frequencyRange[overload1]$$$frequencyRangeQRadioTuner::Band --> <h3 class="fn" id="frequencyRange"><a name="frequencyRange"></a><code>[pure virtual] </code><span class="type">QPair</span><<span class="type">int</span>, <span class="type">int</span>> QRadioTunerControl::<span class="name">frequencyRange</span>(<span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i>) const</h3> <p>Returns a frequency <i>band</i>'s minimum and maximum frequency.</p> <!-- @@@frequencyRange --> <!-- $$$frequencyStep[overload1]$$$frequencyStepQRadioTuner::Band --> <h3 class="fn" id="frequencyStep"><a name="frequencyStep"></a><code>[pure virtual] </code><span class="type">int</span> QRadioTunerControl::<span class="name">frequencyStep</span>(<span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i>) const</h3> <p>Returns the number of Hertz to increment the frequency by when stepping through frequencies within a given <i>band</i>.</p> <!-- @@@frequencyStep --> <!-- $$$isAntennaConnected[overload1]$$$isAntennaConnected --> <h3 class="fn" id="isAntennaConnected"><a name="isAntennaConnected"></a><code>[virtual] </code><span class="type">bool</span> QRadioTunerControl::<span class="name">isAntennaConnected</span>() const</h3> <p>Identifies if there is an antenna connected to the device.</p> <p>Returns true if there is a connected antenna, and false otherwise.</p> <!-- @@@isAntennaConnected --> <!-- $$$isBandSupported[overload1]$$$isBandSupportedQRadioTuner::Band --> <h3 class="fn" id="isBandSupported"><a name="isBandSupported"></a><code>[pure virtual] </code><span class="type">bool</span> QRadioTunerControl::<span class="name">isBandSupported</span>(<span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i>) const</h3> <p>Identifies if a frequency <i>band</i> is supported.</p> <p>Returns true if the band is supported, and false if it is not.</p> <!-- @@@isBandSupported --> <!-- $$$isMuted[overload1]$$$isMuted --> <h3 class="fn" id="isMuted"><a name="isMuted"></a><code>[pure virtual] </code><span class="type">bool</span> QRadioTunerControl::<span class="name">isMuted</span>() const</h3> <p>Identifies if a radio tuner's audio output is muted.</p> <p>Returns true if the audio is muted, and false if it is not.</p> <!-- @@@isMuted --> <!-- $$$isSearching[overload1]$$$isSearching --> <h3 class="fn" id="isSearching"><a name="isSearching"></a><code>[pure virtual] </code><span class="type">bool</span> QRadioTunerControl::<span class="name">isSearching</span>() const</h3> <p>Identifies if a radio tuner is currently scanning for signal.</p> <p>Returns true if the tuner is scanning, and false if it is not.</p> <!-- @@@isSearching --> <!-- $$$isStereo[overload1]$$$isStereo --> <h3 class="fn" id="isStereo"><a name="isStereo"></a><code>[pure virtual] </code><span class="type">bool</span> QRadioTunerControl::<span class="name">isStereo</span>() const</h3> <p>Identifies if a radio tuner is receiving a stereo signal.</p> <p>Returns true if the tuner is receiving a stereo signal, and false if it is not.</p> <!-- @@@isStereo --> <!-- $$$mutedChanged[overload1]$$$mutedChangedbool --> <h3 class="fn" id="mutedChanged"><a name="mutedChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">mutedChanged</span>(<span class="type">bool</span> <i>muted</i>)</h3> <p>Signals that the <i>muted</i> state of a radio tuner's audio output has changed.</p> <!-- @@@mutedChanged --> <!-- $$$searchAllStations[overload1]$$$searchAllStationsQRadioTuner::SearchMode --> <h3 class="fn" id="searchAllStations"><a name="searchAllStations"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">searchAllStations</span>(<span class="type"><a href="qradiotuner.html#SearchMode-enum">QRadioTuner::SearchMode</a></span> <i>searchMode</i> = QRadioTuner::SearchFast)</h3> <p>Starts a scan through the whole frequency band searching all stations with a specific <i>searchMode</i>.</p> <!-- @@@searchAllStations --> <!-- $$$searchBackward[overload1]$$$searchBackward --> <h3 class="fn" id="searchBackward"><a name="searchBackward"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">searchBackward</span>()</h3> <p>Starts a backwards scan for a signal, starting from the current <a href="qradiotunercontrol.html#frequency">frequency</a>().</p> <!-- @@@searchBackward --> <!-- $$$searchForward[overload1]$$$searchForward --> <h3 class="fn" id="searchForward"><a name="searchForward"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">searchForward</span>()</h3> <p>Starts a forward scan for a signal, starting from the current <a href="qradiotunercontrol.html#frequency">frequency</a>().</p> <!-- @@@searchForward --> <!-- $$$searchingChanged[overload1]$$$searchingChangedbool --> <h3 class="fn" id="searchingChanged"><a name="searchingChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">searchingChanged</span>(<span class="type">bool</span> <i>searching</i>)</h3> <p>Signals that the <i>searching</i> state of a radio tuner has changed.</p> <!-- @@@searchingChanged --> <!-- $$$setBand[overload1]$$$setBandQRadioTuner::Band --> <h3 class="fn" id="setBand"><a name="setBand"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">setBand</span>(<span class="type"><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a></span> <i>band</i>)</h3> <p>Sets the frequecy <i>band</i> a radio tuner is tuned to.</p> <p>Changing the frequency band will reset the frequency to the minimum frequency of the new band.</p> <p><b>See also </b><a href="qradiotunercontrol.html#band">band</a>().</p> <!-- @@@setBand --> <!-- $$$setFrequency[overload1]$$$setFrequencyint --> <h3 class="fn" id="setFrequency"><a name="setFrequency"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">setFrequency</span>(<span class="type">int</span> <i>frequency</i>)</h3> <p>Sets the <i>frequency</i> a radio tuner is tuned to.</p> <p><b>See also </b><a href="qradiotunercontrol.html#frequency">frequency</a>().</p> <!-- @@@setFrequency --> <!-- $$$setMuted[overload1]$$$setMutedbool --> <h3 class="fn" id="setMuted"><a name="setMuted"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">setMuted</span>(<span class="type">bool</span> <i>muted</i>)</h3> <p>Sets the <i>muted</i> state of a radio tuner's audio output.</p> <p><b>See also </b><a href="qradiotunercontrol.html#isMuted">isMuted</a>().</p> <!-- @@@setMuted --> <!-- $$$setStereoMode[overload1]$$$setStereoModeQRadioTuner::StereoMode --> <h3 class="fn" id="setStereoMode"><a name="setStereoMode"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">setStereoMode</span>(<span class="type"><a href="qradiotuner.html#StereoMode-enum">QRadioTuner::StereoMode</a></span> <i>mode</i>)</h3> <p>Sets a radio tuner's stereo <i>mode</i>.</p> <p><b>See also </b><a href="qradiotunercontrol.html#stereoMode">stereoMode</a>() and <a href="qradiotuner.html#StereoMode-enum">QRadioTuner::StereoMode</a>.</p> <!-- @@@setStereoMode --> <!-- $$$setVolume[overload1]$$$setVolumeint --> <h3 class="fn" id="setVolume"><a name="setVolume"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">setVolume</span>(<span class="type">int</span> <i>volume</i>)</h3> <p>Sets the percentage <i>volume</i> of a radio tuner's audio output.</p> <p><b>See also </b><a href="qradiotunercontrol.html#volume">volume</a>().</p> <!-- @@@setVolume --> <!-- $$$signalStrength[overload1]$$$signalStrength --> <h3 class="fn" id="signalStrength"><a name="signalStrength"></a><code>[pure virtual] </code><span class="type">int</span> QRadioTunerControl::<span class="name">signalStrength</span>() const</h3> <p>Return a radio tuner's current signal strength as a percentage.</p> <!-- @@@signalStrength --> <!-- $$$signalStrengthChanged[overload1]$$$signalStrengthChangedint --> <h3 class="fn" id="signalStrengthChanged"><a name="signalStrengthChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">signalStrengthChanged</span>(<span class="type">int</span> <i>strength</i>)</h3> <p>Signals that the percentage <i>strength</i> of the signal received by a radio tuner has changed.</p> <!-- @@@signalStrengthChanged --> <!-- $$$start[overload1]$$$start --> <h3 class="fn" id="start"><a name="start"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">start</span>()</h3> <p>Activate the radio device.</p> <!-- @@@start --> <!-- $$$state[overload1]$$$state --> <h3 class="fn" id="state"><a name="state"></a><code>[pure virtual] </code><span class="type"><a href="qradiotuner.html#State-enum">QRadioTuner::State</a></span> QRadioTunerControl::<span class="name">state</span>() const</h3> <p>Returns the current radio tuner state.</p> <!-- @@@state --> <!-- $$$stateChanged[overload1]$$$stateChangedQRadioTuner::State --> <h3 class="fn" id="stateChanged"><a name="stateChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">stateChanged</span>(<span class="type"><a href="qradiotuner.html#State-enum">QRadioTuner::State</a></span> <i>state</i>)</h3> <p>Signals that the <i>state</i> of a radio tuner has changed.</p> <!-- @@@stateChanged --> <!-- $$$stationFound[overload1]$$$stationFoundintQString --> <h3 class="fn" id="stationFound"><a name="stationFound"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">stationFound</span>(<span class="type">int</span> <i>frequency</i>, <span class="type">QString</span> <i>stationId</i>)</h3> <p>Signals that new station with <i>frequency</i> and <i>stationId</i> was found when scanning</p> <!-- @@@stationFound --> <!-- $$$stereoMode[overload1]$$$stereoMode --> <h3 class="fn" id="stereoMode"><a name="stereoMode"></a><code>[pure virtual] </code><span class="type"><a href="qradiotuner.html#StereoMode-enum">QRadioTuner::StereoMode</a></span> QRadioTunerControl::<span class="name">stereoMode</span>() const</h3> <p>Returns a radio tuner's stereo mode.</p> <p><b>See also </b><a href="qradiotunercontrol.html#setStereoMode">setStereoMode</a>() and <a href="qradiotuner.html#StereoMode-enum">QRadioTuner::StereoMode</a>.</p> <!-- @@@stereoMode --> <!-- $$$stereoStatusChanged[overload1]$$$stereoStatusChangedbool --> <h3 class="fn" id="stereoStatusChanged"><a name="stereoStatusChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">stereoStatusChanged</span>(<span class="type">bool</span> <i>stereo</i>)</h3> <p>Signals that the <i>stereo</i> state of a radio tuner has changed.</p> <!-- @@@stereoStatusChanged --> <!-- $$$stop[overload1]$$$stop --> <h3 class="fn" id="stop"><a name="stop"></a><code>[pure virtual] </code><span class="type">void</span> QRadioTunerControl::<span class="name">stop</span>()</h3> <p>Deactivate the radio device.</p> <!-- @@@stop --> <!-- $$$volume[overload1]$$$volume --> <h3 class="fn" id="volume"><a name="volume"></a><code>[pure virtual] </code><span class="type">int</span> QRadioTunerControl::<span class="name">volume</span>() const</h3> <p>Returns the volume of a radio tuner's audio output as a percentage.</p> <p><b>See also </b><a href="qradiotunercontrol.html#setVolume">setVolume</a>().</p> <!-- @@@volume --> <!-- $$$volumeChanged[overload1]$$$volumeChangedint --> <h3 class="fn" id="volumeChanged"><a name="volumeChanged"></a><code>[signal] </code><span class="type">void</span> QRadioTunerControl::<span class="name">volumeChanged</span>(<span class="type">int</span> <i>volume</i>)</h3> <p>Signals that the percentage <i>volume</i> of radio tuner's audio output has changed.</p> <!-- @@@volumeChanged --> </div> <div class="macros"> <h2>Macro Documentation</h2> <!-- $$$QRadioTunerControl_iid[overload1]$$$QRadioTunerControl_iid --> <h3 class="fn" id="QRadioTunerControl_iid"><a name="QRadioTunerControl_iid"></a><span class="name">QRadioTunerControl_iid</span></h3> <p><code>org.qt-project.qt.radiotunercontrol/5.0</code></p> <p>Defines the interface name of the <a href="qradiotunercontrol.html">QRadioTunerControl</a> class.</p> <!-- @@@QRadioTunerControl_iid --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>