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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#properties">Properties</a></li>
<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="#details">Detailed Description</a></li>
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<h1 class="title">QDeclarativeView Class Reference</h1>
<!-- $$$QDeclarativeView-brief -->
<p>The QDeclarativeView class provides a widget for displaying a Qt Declarative user interface. <a href="#details">More...</a></p>
<!-- @@@QDeclarativeView -->
<pre class="cpp"> <span class="preprocessor">#include <QDeclarativeView></span></pre><p><b>Inherits: </b><a href="qgraphicsview.html">QGraphicsView</a>.</p>
<p>This class was introduced in Qt 4.7.</p>
<ul>
<li><a href="qdeclarativeview-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-types"></a>
<h2>Public Types</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#ResizeMode-enum">ResizeMode</a></b> { SizeViewToRootObject, SizeRootObjectToView }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#Status-enum">Status</a></b> { Null, Ready, Loading, Error }</td></tr>
</table>
<a name="properties"></a>
<h2>Properties</h2>
<ul>
<li class="fn"><b><a href="qdeclarativeview.html#resizeMode-prop">resizeMode</a></b> : ResizeMode</li>
<li class="fn"><b><a href="qdeclarativeview.html#source-prop">source</a></b> : QUrl</li>
<li class="fn"><b><a href="qdeclarativeview.html#status-prop">status</a></b> : const Status</li>
</ul>
<ul>
<li class="fn">13 properties inherited from <a href="qgraphicsview.html#properties">QGraphicsView</a></li>
<li class="fn">2 properties inherited from <a href="qabstractscrollarea.html#properties">QAbstractScrollArea</a></li>
<li class="fn">6 properties inherited from <a href="qframe.html#properties">QFrame</a></li>
<li class="fn">58 properties inherited from <a href="qwidget.html#properties">QWidget</a></li>
<li class="fn">1 property inherited from <a href="qobject.html#properties">QObject</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#QDeclarativeView">QDeclarativeView</a></b> ( QWidget * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#QDeclarativeView-2">QDeclarativeView</a></b> ( const QUrl & <i>source</i>, QWidget * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#dtor.QDeclarativeView">~QDeclarativeView</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDeclarativeEngine * </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#engine">engine</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QList<QDeclarativeError> </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#errors">errors</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QSize </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#initialSize">initialSize</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> ResizeMode </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#resizeMode-prop">resizeMode</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDeclarativeContext * </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#rootContext">rootContext</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QGraphicsObject * </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#rootObject">rootObject</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#resizeMode-prop">setResizeMode</a></b> ( ResizeMode )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#source-prop">setSource</a></b> ( const QUrl & <i>url</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QUrl </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#source-prop">source</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Status </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#status-prop">status</a></b> () const</td></tr>
</table>
<ul>
<li class="fn">77 public functions inherited from <a href="qgraphicsview.html#public-functions">QGraphicsView</a></li>
<li class="fn">17 public functions inherited from <a href="qabstractscrollarea.html#public-functions">QAbstractScrollArea</a></li>
<li class="fn">14 public functions inherited from <a href="qframe.html#public-functions">QFrame</a></li>
<li class="fn">221 public functions inherited from <a href="qwidget.html#public-functions">QWidget</a></li>
<li class="fn">29 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li>
<li class="fn">13 public functions inherited from <a href="qpaintdevice.html#public-functions">QPaintDevice</a></li>
</ul>
<a name="signals"></a>
<h2>Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#sceneResized">sceneResized</a></b> ( QSize <i>size</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdeclarativeview.html#statusChanged">statusChanged</a></b> ( QDeclarativeView::Status <i>status</i> )</td></tr>
</table>
<ul>
<li class="fn">1 signal inherited from <a href="qwidget.html#signals">QWidget</a></li>
<li class="fn">1 signal inherited from <a href="qobject.html#signals">QObject</a></li>
</ul>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">3 public slots inherited from <a href="qgraphicsview.html#public-slots">QGraphicsView</a></li>
<li class="fn">19 public slots inherited from <a href="qwidget.html#public-slots">QWidget</a></li>
<li class="fn">1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li>
<li class="fn">4 static public members inherited from <a href="qwidget.html#static-public-members">QWidget</a></li>
<li class="fn">7 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li>
<li class="fn">24 protected functions inherited from <a href="qgraphicsview.html#protected-functions">QGraphicsView</a></li>
<li class="fn">18 protected functions inherited from <a href="qabstractscrollarea.html#protected-functions">QAbstractScrollArea</a></li>
<li class="fn">3 protected functions inherited from <a href="qframe.html#protected-functions">QFrame</a></li>
<li class="fn">37 protected functions inherited from <a href="qwidget.html#protected-functions">QWidget</a></li>
<li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li>
<li class="fn">1 protected function inherited from <a href="qpaintdevice.html#protected-functions">QPaintDevice</a></li>
<li class="fn">1 protected slot inherited from <a href="qgraphicsview.html#protected-slots">QGraphicsView</a></li>
<li class="fn">1 protected slot inherited from <a href="qabstractscrollarea.html#protected-slots">QAbstractScrollArea</a></li>
<li class="fn">1 protected slot inherited from <a href="qwidget.html#protected-slots">QWidget</a></li>
</ul>
<a name="details"></a>
<!-- $$$QDeclarativeView-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QDeclarativeView class provides a widget for displaying a Qt Declarative user interface.</p>
<p><a href="qdeclarativeitem.html">QDeclarativeItem</a> objects can be placed on a standard <a href="qgraphicsscene.html">QGraphicsScene</a> and displayed with <a href="qgraphicsview.html">QGraphicsView</a>. QDeclarativeView is a <a href="qgraphicsview.html">QGraphicsView</a> subclass provided as a convenience for displaying QML files, and connecting between QML and C++ Qt objects.</p>
<p>QDeclarativeView provides:</p>
<ul>
<li>Management of <a href="qdeclarativecomponent.html">QDeclarativeComponent</a> loading and object creation</li>
<li>Initialization of <a href="qgraphicsview.html">QGraphicsView</a> for optimal performance with QML using these settings:<ul>
<li>QGraphicsView::setOptimizationFlags(<a href="qgraphicsview.html#OptimizationFlag-enum">QGraphicsView::DontSavePainterState</a>)</li>
<li>QGraphicsView::setViewportUpdateMode(<a href="qgraphicsview.html#ViewportUpdateMode-enum">QGraphicsView::BoundingRectViewportUpdate</a>)</li>
<li>QGraphicsScene::setItemIndexMethod(<a href="qgraphicsscene.html#ItemIndexMethod-enum">QGraphicsScene::NoIndex</a>)</li>
</ul>
</li>
<li>Initialization of <a href="qgraphicsview.html">QGraphicsView</a> for QML key handling using these settings:<ul>
<li><a href="qabstractscrollarea.html#viewport">QGraphicsView::viewport</a>()->setFocusPolicy(<a href="qt.html#FocusPolicy-enum">Qt::NoFocus</a>)</li>
<li>QGraphicsView::setFocusPolicy(<a href="qt.html#FocusPolicy-enum">Qt::StrongFocus</a>)</li>
<li>QGraphicsScene::setStickyFocus(true)</li>
</ul>
</li>
</ul>
<p>Typical usage:</p>
<pre class="cpp"> <span class="type">QDeclarativeView</span> <span class="operator">*</span>view <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QDeclarativeView</span>;
view<span class="operator">-</span><span class="operator">></span><a href="qdeclarativeview.html#source-prop">setSource</a>(<span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>fromLocalFile(<span class="string">"myqmlfile.qml"</span>));
view<span class="operator">-</span><span class="operator">></span><a href="qwidget.html#show">show</a>();</pre>
<p>Since QDeclarativeView is a <a href="qwidget.html">QWidget</a>-based class, it can be used to display QML interfaces within <a href="qwidget.html">QWidget</a>-based GUI applications that do not use the Graphics View framework.</p>
<p>To receive errors related to loading and executing QML with QDeclarativeView, you can connect to the <a href="qdeclarativeview.html#statusChanged">statusChanged</a>() signal and monitor for <a href="qdeclarativeview.html#Status-enum">QDeclarativeView::Error</a>. The errors are available via <a href="qdeclarativeview.html#errors">QDeclarativeView::errors</a>().</p>
<p>If you're using your own <a href="qgraphicsscene.html">QGraphicsScene</a>-based scene with QDeclarativeView, remember to enable scene's sticky focus mode and to set itemIndexMethod to <a href="qgraphicsscene.html#ItemIndexMethod-enum">QGraphicsScene::NoIndex</a>.</p>
</div>
<p><b>See also </b><a href="qml-integration.html">Integrating QML Code with Existing Qt UI Code</a> and <a href="qtbinding.html">Using QML Bindings in C++ Applications</a>.</p>
<!-- @@@QDeclarativeView -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$ResizeMode$$$SizeViewToRootObject$$$SizeRootObjectToView -->
<h3 class="fn"><a name="ResizeMode-enum"></a>enum QDeclarativeView::<span class="name">ResizeMode</span></h3>
<p>This enum specifies how to resize the view.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::SizeViewToRootObject</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">The view resizes with the root item in the QML.</td></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::SizeRootObjectToView</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">The view will automatically resize the root item to the size of the view.</td></tr>
</table>
<!-- @@@ResizeMode -->
<!-- $$$Status$$$Null$$$Ready$$$Loading$$$Error -->
<h3 class="fn"><a name="Status-enum"></a>enum QDeclarativeView::<span class="name">Status</span></h3>
<p>Specifies the loading status of the <a href="qdeclarativeview.html">QDeclarativeView</a>.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::Null</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">This <a href="qdeclarativeview.html">QDeclarativeView</a> has no source set.</td></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::Ready</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">This <a href="qdeclarativeview.html">QDeclarativeView</a> has loaded and created the QML component.</td></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::Loading</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">This <a href="qdeclarativeview.html">QDeclarativeView</a> is loading network data.</td></tr>
<tr><td class="topAlign"><tt>QDeclarativeView::Error</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">One or more errors has occurred. Call <a href="qdeclarativeview.html#errors">errors</a>() to retrieve a list of errors.</td></tr>
</table>
<!-- @@@Status -->
</div>
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$resizeMode-prop$$$resizeMode$$$setResizeModeResizeMode -->
<h3 class="fn"><a name="resizeMode-prop"></a><span class="name">resizeMode</span> : <span class="type"><a href="qdeclarativeview.html#ResizeMode-enum">ResizeMode</a></span></h3>
<p>This property holds whether the view should resize the canvas contents.</p>
<p>If this property is set to <a href="qdeclarativeview.html#ResizeMode-enum">SizeViewToRootObject</a> (the default), the view resizes with the root item in the QML.</p>
<p>If this property is set to <a href="qdeclarativeview.html#ResizeMode-enum">SizeRootObjectToView</a>, the view will automatically resize the root item.</p>
<p>Regardless of this property, the sizeHint of the view is the initial size of the root item. Note though that since QML may load dynamically, that size may change.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> ResizeMode </td><td class="memItemRight bottomAlign"><span class="name"><b>resizeMode</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setResizeMode</b></span> ( ResizeMode )</td></tr>
</table>
<!-- @@@resizeMode -->
<!-- $$$source-prop$$$source$$$setSourceconstQUrl& -->
<h3 class="fn"><a name="source-prop"></a><span class="name">source</span> : <span class="type"><a href="qurl.html">QUrl</a></span></h3>
<p>This property holds the URL of the source of the QML component.</p>
<p>Changing this property causes the QML component to be reloaded.</p>
<p>Ensure that the URL provided is full and correct, in particular, use <a href="qurl.html#fromLocalFile">QUrl::fromLocalFile</a>() when loading a file from the local filesystem.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QUrl </td><td class="memItemRight bottomAlign"><span class="name"><b>source</b></span> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setSource</b></span> ( const QUrl & <i>url</i> )</td></tr>
</table>
<p><b>See also </b><a href="qdeclarativenetwork.html">Loading Resources in QML</a>.</p>
<!-- @@@source -->
<!-- $$$status-prop$$$status$$$statusChangedQDeclarativeView::Status -->
<h3 class="fn"><a name="status-prop"></a><span class="name">status</span> : const <span class="type"><a href="qdeclarativeview.html#Status-enum">Status</a></span></h3>
<p>The component's current <a href="qdeclarativeview.html#Status-enum">status</a>.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Status </td><td class="memItemRight bottomAlign"><span class="name"><b>status</b></span> () const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qdeclarativeview.html#statusChanged">statusChanged</a></b></span> ( QDeclarativeView::Status <i>status</i> )</td></tr>
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<h2>Member Function Documentation</h2>
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<h3 class="fn"><a name="QDeclarativeView"></a>QDeclarativeView::<span class="name">QDeclarativeView</span> ( <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs a <a href="qdeclarativeview.html">QDeclarativeView</a> with the given <i>parent</i>.</p>
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<h3 class="fn"><a name="QDeclarativeView-2"></a>QDeclarativeView::<span class="name">QDeclarativeView</span> ( const <span class="type"><a href="qurl.html">QUrl</a></span> & <i>source</i>, <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs a <a href="qdeclarativeview.html">QDeclarativeView</a> with the given QML <i>source</i> and <i>parent</i>.</p>
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<h3 class="fn"><a name="dtor.QDeclarativeView"></a>QDeclarativeView::<span class="name">~QDeclarativeView</span> ()<tt> [virtual]</tt></h3>
<p>Destroys the view.</p>
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<h3 class="fn"><a name="engine"></a><span class="type"><a href="qdeclarativeengine.html">QDeclarativeEngine</a></span> * QDeclarativeView::<span class="name">engine</span> () const</h3>
<p>Returns a pointer to the <a href="qdeclarativeengine.html">QDeclarativeEngine</a> used for instantiating QML Components.</p>
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<h3 class="fn"><a name="errors"></a><span class="type"><a href="qlist.html">QList</a></span><<span class="type"><a href="qdeclarativeerror.html">QDeclarativeError</a></span>> QDeclarativeView::<span class="name">errors</span> () const</h3>
<p>Return the list of errors that occurred during the last compile or create operation. When the status is not Error, an empty list is returned.</p>
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<h3 class="fn"><a name="initialSize"></a><span class="type"><a href="qsize.html">QSize</a></span> QDeclarativeView::<span class="name">initialSize</span> () const</h3>
<p>Returns the initial size of the root object</p>
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<h3 class="fn"><a name="rootContext"></a><span class="type"><a href="qdeclarativecontext.html">QDeclarativeContext</a></span> * QDeclarativeView::<span class="name">rootContext</span> () const</h3>
<p>This function returns the root of the context hierarchy. Each QML component is instantiated in a <a href="qdeclarativecontext.html">QDeclarativeContext</a>. <a href="qdeclarativecontext.html">QDeclarativeContext</a>'s are essential for passing data to QML components. In QML, contexts are arranged hierarchically and this hierarchy is managed by the <a href="qdeclarativeengine.html">QDeclarativeEngine</a>.</p>
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<h3 class="fn"><a name="rootObject"></a><span class="type"><a href="qgraphicsobject.html">QGraphicsObject</a></span> * QDeclarativeView::<span class="name">rootObject</span> () const</h3>
<p>Returns the view's root <a href="qgraphicsobject.html">item</a>.</p>
<!-- @@@rootObject -->
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<h3 class="fn"><a name="sceneResized"></a><span class="type">void</span> QDeclarativeView::<span class="name">sceneResized</span> ( <span class="type"><a href="qsize.html">QSize</a></span> <i>size</i> )<tt> [signal]</tt></h3>
<p>This signal is emitted when the view is resized to <i>size</i>.</p>
<!-- @@@sceneResized -->
<!-- $$$statusChanged[overload1]$$$statusChangedQDeclarativeView::Status -->
<h3 class="fn"><a name="statusChanged"></a><span class="type">void</span> QDeclarativeView::<span class="name">statusChanged</span> ( <span class="type"><a href="qdeclarativeview.html#Status-enum">QDeclarativeView::Status</a></span> <i>status</i> )<tt> [signal]</tt></h3>
<p>This signal is emitted when the component's current <i>status</i> changes.</p>
<!-- @@@statusChanged -->
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