<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qradiodatacontrol.cpp --> <title>QRadioDataControl 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 >QRadioDataControl</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">QRadioDataControl Class</h1> <!-- $$$QRadioDataControl-brief --> <p>The <a href="qradiodatacontrol.html">QRadioDataControl</a> class provides access to the RDS functionality of the radio in the <a href="qmediaservice.html">QMediaService</a>. <a href="#details">More...</a></p> <!-- @@@QRadioDataControl --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QRadioDataControl></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="qradiodatacontrol-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="qradiodatacontrol.html#dtor.QRadioDataControl">~QRadioDataControl</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioData::Error </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.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="qradiodatacontrol.html#errorString">errorString</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#isAlternativeFrequenciesEnabled">isAlternativeFrequenciesEnabled</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRadioData::ProgramType </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#programType">programType</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#programTypeName">programTypeName</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#radioText">radioText</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#setAlternativeFrequenciesEnabled">setAlternativeFrequenciesEnabled</a></b>(bool <i>enabled</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#stationId">stationId</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#stationName">stationName</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="qradiodatacontrol.html#alternativeFrequenciesEnabledChanged">alternativeFrequenciesEnabledChanged</a></b>(bool <i>enabled</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#error-1">error</a></b>(QRadioData::Error <i>error</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#programTypeChanged">programTypeChanged</a></b>(QRadioData::ProgramType <i>programType</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#programTypeNameChanged">programTypeNameChanged</a></b>(QString <i>programTypeName</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#radioTextChanged">radioTextChanged</a></b>(QString <i>radioText</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#stationIdChanged">stationIdChanged</a></b>(QString <i>stationId</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiodatacontrol.html#stationNameChanged">stationNameChanged</a></b>(QString <i>stationName</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="qradiodatacontrol.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="qradiodatacontrol.html#QRadioDataControl">QRadioDataControl</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="qradiodatacontrol.html#QRadioDataControl_iid">QRadioDataControl_iid</a></b></td></tr> </table></div> <a name="details"></a> <!-- $$$QRadioDataControl-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qradiodatacontrol.html">QRadioDataControl</a> class provides access to the RDS functionality of the radio in the <a href="qmediaservice.html">QMediaService</a>.</p> <p>The functionality provided by this control is exposed to application code through the <a href="qradiodata.html">QRadioData</a> class.</p> <p>The interface name of <a href="qradiodatacontrol.html">QRadioDataControl</a> is <code>org.qt-project.qt.radiodatacontrol/5.0</code> as defined in <a href="qradiodatacontrol.html#QRadioDataControl_iid">QRadioDataControl_iid</a>.</p> </div> <p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qradiodata.html">QRadioData</a>.</p> <!-- @@@QRadioDataControl --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QRadioDataControl[overload1]$$$QRadioDataControlQObject* --> <h3 class="fn" id="QRadioDataControl"><a name="QRadioDataControl"></a><code>[protected] </code>QRadioDataControl::<span class="name">QRadioDataControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3> <p>Constructs a radio data control with the given <i>parent</i>.</p> <!-- @@@QRadioDataControl --> <!-- $$$~QRadioDataControl[overload1]$$$~QRadioDataControl --> <h3 class="fn" id="dtor.QRadioDataControl"><a name="dtor.QRadioDataControl"></a><code>[virtual] </code>QRadioDataControl::<span class="name">~QRadioDataControl</span>()</h3> <p>Destroys a radio data control.</p> <!-- @@@~QRadioDataControl --> <!-- $$$alternativeFrequenciesEnabledChanged[overload1]$$$alternativeFrequenciesEnabledChangedbool --> <h3 class="fn" id="alternativeFrequenciesEnabledChanged"><a name="alternativeFrequenciesEnabledChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">alternativeFrequenciesEnabledChanged</span>(<span class="type">bool</span> <i>enabled</i>)</h3> <p>Signals that the alternative frequencies setting has changed to the value of <i>enabled</i>.</p> <!-- @@@alternativeFrequenciesEnabledChanged --> <!-- $$$error[overload1]$$$error --> <h3 class="fn" id="error"><a name="error"></a><code>[pure virtual] </code><span class="type"><a href="qradiodata.html#Error-enum">QRadioData::Error</a></span> QRadioDataControl::<span class="name">error</span>() const</h3> <p>Returns the error state of a radio data.</p> <!-- @@@error --> <!-- $$$error$$$errorQRadioData::Error --> <h3 class="fn" id="error-1"><a name="error-1"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">error</span>(<span class="type"><a href="qradiodata.html#Error-enum">QRadioData::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(radioDataControl<span class="operator">,</span> <span class="type">QOverload</span><span class="operator"><</span><span class="type"><a href="qradiodata.html">QRadioData</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="qradiodatacontrol.html#QRadioDataControl">QRadioDataControl</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="qradiodata.html">QRadioData</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> QRadioDataControl::<span class="name">errorString</span>() const</h3> <p>Returns a string describing a radio data's error state.</p> <!-- @@@errorString --> <!-- $$$isAlternativeFrequenciesEnabled[overload1]$$$isAlternativeFrequenciesEnabled --> <h3 class="fn" id="isAlternativeFrequenciesEnabled"><a name="isAlternativeFrequenciesEnabled"></a><code>[pure virtual] </code><span class="type">bool</span> QRadioDataControl::<span class="name">isAlternativeFrequenciesEnabled</span>() const</h3> <p>Returns true if Alternative Frequency is currently enabled</p> <!-- @@@isAlternativeFrequenciesEnabled --> <!-- $$$programType[overload1]$$$programType --> <h3 class="fn" id="programType"><a name="programType"></a><code>[pure virtual] </code><span class="type"><a href="qradiodata.html#ProgramType-enum">QRadioData::ProgramType</a></span> QRadioDataControl::<span class="name">programType</span>() const</h3> <p>Returns the current Program Type</p> <!-- @@@programType --> <!-- $$$programTypeChanged[overload1]$$$programTypeChangedQRadioData::ProgramType --> <h3 class="fn" id="programTypeChanged"><a name="programTypeChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">programTypeChanged</span>(<span class="type"><a href="qradiodata.html#ProgramType-enum">QRadioData::ProgramType</a></span> <i>programType</i>)</h3> <p>Signals that the Program Type <i>programType</i> has changed</p> <!-- @@@programTypeChanged --> <!-- $$$programTypeName[overload1]$$$programTypeName --> <h3 class="fn" id="programTypeName"><a name="programTypeName"></a><code>[pure virtual] </code><span class="type">QString</span> QRadioDataControl::<span class="name">programTypeName</span>() const</h3> <p>Returns the current Program Type Name</p> <!-- @@@programTypeName --> <!-- $$$programTypeNameChanged[overload1]$$$programTypeNameChangedQString --> <h3 class="fn" id="programTypeNameChanged"><a name="programTypeNameChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">programTypeNameChanged</span>(<span class="type">QString</span> <i>programTypeName</i>)</h3> <p>Signals that the Program Type Name <i>programTypeName</i> has changed</p> <!-- @@@programTypeNameChanged --> <!-- $$$radioText[overload1]$$$radioText --> <h3 class="fn" id="radioText"><a name="radioText"></a><code>[pure virtual] </code><span class="type">QString</span> QRadioDataControl::<span class="name">radioText</span>() const</h3> <p>Returns the current Radio Text</p> <!-- @@@radioText --> <!-- $$$radioTextChanged[overload1]$$$radioTextChangedQString --> <h3 class="fn" id="radioTextChanged"><a name="radioTextChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">radioTextChanged</span>(<span class="type">QString</span> <i>radioText</i>)</h3> <p>Signals that the Radio Text <i>radioText</i> has changed</p> <!-- @@@radioTextChanged --> <!-- $$$setAlternativeFrequenciesEnabled[overload1]$$$setAlternativeFrequenciesEnabledbool --> <h3 class="fn" id="setAlternativeFrequenciesEnabled"><a name="setAlternativeFrequenciesEnabled"></a><code>[pure virtual] </code><span class="type">void</span> QRadioDataControl::<span class="name">setAlternativeFrequenciesEnabled</span>(<span class="type">bool</span> <i>enabled</i>)</h3> <p>Sets the Alternative Frequency to <i>enabled</i></p> <p><b>See also </b><a href="qradiodatacontrol.html#isAlternativeFrequenciesEnabled">isAlternativeFrequenciesEnabled</a>().</p> <!-- @@@setAlternativeFrequenciesEnabled --> <!-- $$$stationId[overload1]$$$stationId --> <h3 class="fn" id="stationId"><a name="stationId"></a><code>[pure virtual] </code><span class="type">QString</span> QRadioDataControl::<span class="name">stationId</span>() const</h3> <p>Returns the current Program Identification</p> <!-- @@@stationId --> <!-- $$$stationIdChanged[overload1]$$$stationIdChangedQString --> <h3 class="fn" id="stationIdChanged"><a name="stationIdChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">stationIdChanged</span>(<span class="type">QString</span> <i>stationId</i>)</h3> <p>Signals that the Program Identification <i>stationId</i> has changed</p> <!-- @@@stationIdChanged --> <!-- $$$stationName[overload1]$$$stationName --> <h3 class="fn" id="stationName"><a name="stationName"></a><code>[pure virtual] </code><span class="type">QString</span> QRadioDataControl::<span class="name">stationName</span>() const</h3> <p>Returns the current Program Service</p> <!-- @@@stationName --> <!-- $$$stationNameChanged[overload1]$$$stationNameChangedQString --> <h3 class="fn" id="stationNameChanged"><a name="stationNameChanged"></a><code>[signal] </code><span class="type">void</span> QRadioDataControl::<span class="name">stationNameChanged</span>(<span class="type">QString</span> <i>stationName</i>)</h3> <p>Signals that the Program Service <i>stationName</i> has changed</p> <!-- @@@stationNameChanged --> </div> <div class="macros"> <h2>Macro Documentation</h2> <!-- $$$QRadioDataControl_iid[overload1]$$$QRadioDataControl_iid --> <h3 class="fn" id="QRadioDataControl_iid"><a name="QRadioDataControl_iid"></a><span class="name">QRadioDataControl_iid</span></h3> <p><code>org.qt-project.qt.radiodatacontrol/5.0</code></p> <p>Defines the interface name of the <a href="qradiodatacontrol.html">QRadioDataControl</a> class.</p> <!-- @@@QRadioDataControl_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>