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<title>QCameraLocksControl Class | Qt Multimedia 5.9</title>
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<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QCameraLocksControl</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<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="#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>
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<h1 class="title">QCameraLocksControl Class</h1>
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<p>The <a href="qcameralockscontrol.html">QCameraLocksControl</a> class is an abstract base class for classes that control still cameras or video cameras. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QCameraLocksControl></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="qcameralockscontrol-members.html">List of all members, including inherited members</a></li>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#dtor.QCameraLocksControl">~QCameraLocksControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QCamera::LockStatus </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#lockStatus">lockStatus</a></b>(QCamera::LockType <i>lock</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#searchAndLock">searchAndLock</a></b>(QCamera::LockTypes <i>locks</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QCamera::LockTypes </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#supportedLocks">supportedLocks</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#unlock">unlock</a></b>(QCamera::LockTypes <i>locks</i>) = 0</td></tr>
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<h2 id="signals">Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#lockStatusChanged">lockStatusChanged</a></b>(QCamera::LockType <i>lock</i>, QCamera::LockStatus <i>status</i>, QCamera::LockChangeReason <i>reason</i>)</td></tr>
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<h2 id="protected-functions">Protected Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#QCameraLocksControl">QCameraLocksControl</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr>
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<h2 id="macros">Macros</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#QCameraLocksControl_iid">QCameraLocksControl_iid</a></b></td></tr>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qcameralockscontrol.html">QCameraLocksControl</a> class is an abstract base class for classes that control still cameras or video cameras.</p>
<p>This service is provided by a <a href="qmediaservice.html">QMediaService</a> object via QMediaService::control(). It is used by <a href="qcamera.html">QCamera</a>.</p>
<p>The interface name of <a href="qcameralockscontrol.html">QCameraLocksControl</a> is <code>org.qt-project.qt.cameralockscontrol/5.0</code> as defined in <a href="qcameralockscontrol.html#QCameraLocksControl_iid">QCameraLocksControl_iid</a>.</p>
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<p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qcamera.html">QCamera</a>.</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QCameraLocksControl"><a name="QCameraLocksControl"></a><code>[protected] </code>QCameraLocksControl::<span class="name">QCameraLocksControl</span>(<span class="type">QObject</span> *<i>parent</i> = Q_NULLPTR)</h3>
<p>Constructs a camera locks control object with <i>parent</i>.</p>
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<h3 class="fn" id="dtor.QCameraLocksControl"><a name="dtor.QCameraLocksControl"></a>QCameraLocksControl::<span class="name">~QCameraLocksControl</span>()</h3>
<p>Destruct the camera locks control object.</p>
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<h3 class="fn" id="lockStatus"><a name="lockStatus"></a><code>[pure virtual] </code><span class="type"><a href="qcamera.html#LockStatus-enum">QCamera::LockStatus</a></span> QCameraLocksControl::<span class="name">lockStatus</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockType</a></span> <i>lock</i>) const</h3>
<p>Returns the camera <i>lock</i> status.</p>
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<h3 class="fn" id="lockStatusChanged"><a name="lockStatusChanged"></a><code>[signal] </code><span class="type">void</span> QCameraLocksControl::<span class="name">lockStatusChanged</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockType</a></span> <i>lock</i>, <span class="type"><a href="qcamera.html#LockStatus-enum">QCamera::LockStatus</a></span> <i>status</i>, <span class="type"><a href="qcamera.html#LockChangeReason-enum">QCamera::LockChangeReason</a></span> <i>reason</i>)</h3>
<p>Signals the <i>lock</i> <i>status</i> was changed with a specified <i>reason</i>.</p>
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<h3 class="fn" id="searchAndLock"><a name="searchAndLock"></a><code>[pure virtual] </code><span class="type">void</span> QCameraLocksControl::<span class="name">searchAndLock</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> <i>locks</i>)</h3>
<p>Request camera <i>locks</i>.</p>
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<h3 class="fn" id="supportedLocks"><a name="supportedLocks"></a><code>[pure virtual] </code><span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> QCameraLocksControl::<span class="name">supportedLocks</span>() const</h3>
<p>Returns the lock types, the camera supports.</p>
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<h3 class="fn" id="unlock"><a name="unlock"></a><code>[pure virtual] </code><span class="type">void</span> QCameraLocksControl::<span class="name">unlock</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> <i>locks</i>)</h3>
<p>Unlock camera <i>locks</i>.</p>
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<h2>Macro Documentation</h2>
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<h3 class="fn" id="QCameraLocksControl_iid"><a name="QCameraLocksControl_iid"></a><span class="name">QCameraLocksControl_iid</span></h3>
<p><code>org.qt-project.qt.cameralockscontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qcameralockscontrol.html">QCameraLocksControl</a> class.</p>
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