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<a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#related-non-members">Related Non-Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QGalleryUnionFilter Class Reference</h1>
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<p>The QGalleryUnionFilter class provides a filter which matches the union of two or more meta-data filters. <a href="#details">More...</a></p>
<!-- @@@QGalleryUnionFilter -->
<pre class="cpp"> <span class="preprocessor">#include <QGalleryUnionFilter></span></pre><p>This class was introduced in Qt Mobility 1.1.</p>
<ul>
<li><a href="qgalleryunionfilter-members.html">List of all members, including inherited members</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="qgalleryunionfilter.html#QGalleryUnionFilter">QGalleryUnionFilter</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#QGalleryUnionFilter-2">QGalleryUnionFilter</a></b> ( const QGalleryMetaDataFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#QGalleryUnionFilter-3">QGalleryUnionFilter</a></b> ( const QGalleryIntersectionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#QGalleryUnionFilter-4">QGalleryUnionFilter</a></b> ( const QGalleryUnionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#dtor.QGalleryUnionFilter">~QGalleryUnionFilter</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#append">append</a></b> ( const QGalleryMetaDataFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#append-2">append</a></b> ( const QGalleryIntersectionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#append-3">append</a></b> ( const QGalleryUnionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#clear">clear</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#filterCount">filterCount</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QList<QGalleryFilter> </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#filters">filters</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#insert">insert</a></b> ( int <i>index</i>, const QGalleryMetaDataFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#insert-2">insert</a></b> ( int <i>index</i>, const QGalleryIntersectionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#insert-3">insert</a></b> ( int <i>index</i>, const QGalleryUnionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#isEmpty">isEmpty</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#isValid">isValid</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#prepend">prepend</a></b> ( const QGalleryMetaDataFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#prepend-2">prepend</a></b> ( const QGalleryIntersectionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#prepend-3">prepend</a></b> ( const QGalleryUnionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#remove">remove</a></b> ( int <i>index</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#replace">replace</a></b> ( int <i>index</i>, const QGalleryMetaDataFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#replace-2">replace</a></b> ( int <i>index</i>, const QGalleryIntersectionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QGalleryUnionFilter & </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#operator-lt-lt">operator<<</a></b> ( const QGalleryUnionFilter & <i>filter</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QGalleryUnionFilter & </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#operator-eq">operator=</a></b> ( const QGalleryUnionFilter & <i>filter</i> )</td></tr>
</table>
<a name="related-non-members"></a>
<h2>Related Non-Members</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> QGalleryUnionFilter </td><td class="memItemRight bottomAlign"><b><a href="qgalleryunionfilter.html#operator-7c-7c">operator||</a></b> ( const QGalleryUnionFilter & <i>filter1</i>, const QGalleryUnionFilter & <i>filter2</i> )</td></tr>
</table>
<a name="details"></a>
<!-- $$$QGalleryUnionFilter-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QGalleryUnionFilter class provides a filter which matches the union of two or more meta-data filters.</p>
<p>A union filter represents the union of a list of gallery filters. Filters can be added to an union using either the <a href="qgalleryunionfilter.html#append">append</a>(), <a href="qgalleryunionfilter.html#prepend">prepend</a>(), or <a href="qgalleryunionfilter.html#insert">insert</a>() functions, or using the <a href="qgalleryunionfilter.html#operator-lt-lt"><< operator</a>.</p>
<p>Union filters can also combining two gallery filters with the && operator.</p>
</div>
<p><b>See also </b><a href="qgalleryfilter.html">QGalleryFilter</a> and <a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a>.</p>
<!-- @@@QGalleryUnionFilter -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QGalleryUnionFilter[overload1]$$$QGalleryUnionFilter -->
<h3 class="fn"><a name="QGalleryUnionFilter"></a>QGalleryUnionFilter::<span class="name">QGalleryUnionFilter</span> ()</h3>
<p>Constructs an empty union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@QGalleryUnionFilter -->
<!-- $$$QGalleryUnionFilter$$$QGalleryUnionFilterconstQGalleryMetaDataFilter& -->
<h3 class="fn"><a name="QGalleryUnionFilter-2"></a>QGalleryUnionFilter::<span class="name">QGalleryUnionFilter</span> ( const <span class="type"><a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a></span> & <i>filter</i> )</h3>
<p>Constructs a union filter from a meta data <i>filter</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@QGalleryUnionFilter -->
<!-- $$$QGalleryUnionFilter$$$QGalleryUnionFilterconstQGalleryIntersectionFilter& -->
<h3 class="fn"><a name="QGalleryUnionFilter-3"></a>QGalleryUnionFilter::<span class="name">QGalleryUnionFilter</span> ( const <span class="type"><a href="qgalleryintersectionfilter.html">QGalleryIntersectionFilter</a></span> & <i>filter</i> )</h3>
<p>Constructs a union filter from an intersection <i>filter</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@QGalleryUnionFilter -->
<!-- $$$QGalleryUnionFilter$$$QGalleryUnionFilterconstQGalleryUnionFilter& -->
<h3 class="fn"><a name="QGalleryUnionFilter-4"></a>QGalleryUnionFilter::<span class="name">QGalleryUnionFilter</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Constructs a copy of a union <i>filter</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@QGalleryUnionFilter -->
<!-- $$$~QGalleryUnionFilter[overload1]$$$~QGalleryUnionFilter -->
<h3 class="fn"><a name="dtor.QGalleryUnionFilter"></a>QGalleryUnionFilter::<span class="name">~QGalleryUnionFilter</span> ()</h3>
<p>Destroys a union filter.</p>
<!-- @@@~QGalleryUnionFilter -->
<!-- $$$append[overload1]$$$appendconstQGalleryMetaDataFilter& -->
<h3 class="fn"><a name="append"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">append</span> ( const <span class="type"><a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a></span> & <i>filter</i> )</h3>
<p>Appends a meta-data <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@append -->
<!-- $$$append$$$appendconstQGalleryIntersectionFilter& -->
<h3 class="fn"><a name="append-2"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">append</span> ( const <span class="type"><a href="qgalleryintersectionfilter.html">QGalleryIntersectionFilter</a></span> & <i>filter</i> )</h3>
<p>Appends an intersection <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@append -->
<!-- $$$append$$$appendconstQGalleryUnionFilter& -->
<h3 class="fn"><a name="append-3"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">append</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Appends the contents of a union <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@append -->
<!-- $$$clear[overload1]$$$clear -->
<h3 class="fn"><a name="clear"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">clear</span> ()</h3>
<p>Clears all the filters from a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@clear -->
<!-- $$$filterCount[overload1]$$$filterCount -->
<h3 class="fn"><a name="filterCount"></a><span class="type">int</span> QGalleryUnionFilter::<span class="name">filterCount</span> () const</h3>
<p>Returns the number of filters in a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@filterCount -->
<!-- $$$filters[overload1]$$$filters -->
<h3 class="fn"><a name="filters"></a><span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><<span class="type"><a href="qgalleryfilter.html">QGalleryFilter</a></span>> QGalleryUnionFilter::<span class="name">filters</span> () const</h3>
<p>Returns the filters contained in a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@filters -->
<!-- $$$insert[overload1]$$$insertintconstQGalleryMetaDataFilter& -->
<h3 class="fn"><a name="insert"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">insert</span> ( <span class="type">int</span> <i>index</i>, const <span class="type"><a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a></span> & <i>filter</i> )</h3>
<p>Inserts a meta-data <i>filter</i> into a union at <i>index</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@insert -->
<!-- $$$insert$$$insertintconstQGalleryIntersectionFilter& -->
<h3 class="fn"><a name="insert-2"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">insert</span> ( <span class="type">int</span> <i>index</i>, const <span class="type"><a href="qgalleryintersectionfilter.html">QGalleryIntersectionFilter</a></span> & <i>filter</i> )</h3>
<p>Inserts an intersection <i>filter</i> into a union at <i>index</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@insert -->
<!-- $$$insert$$$insertintconstQGalleryUnionFilter& -->
<h3 class="fn"><a name="insert-3"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">insert</span> ( <span class="type">int</span> <i>index</i>, const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Inserts the contents of a union <i>filter</i> into a union at <i>index</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@insert -->
<!-- $$$isEmpty[overload1]$$$isEmpty -->
<h3 class="fn"><a name="isEmpty"></a><span class="type">bool</span> QGalleryUnionFilter::<span class="name">isEmpty</span> () const</h3>
<p>Returns true if a union contains no filters, and false otherwise.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@isEmpty -->
<!-- $$$isValid[overload1]$$$isValid -->
<h3 class="fn"><a name="isValid"></a><span class="type">bool</span> QGalleryUnionFilter::<span class="name">isValid</span> () const</h3>
<p>Returns true if the filter is a valid union filter.</p>
<p>An invalid filter can be obtained by casting a non <a href="qgalleryfilter.html#Type-enum">QGalleryFilter::Union</a> type <a href="qgalleryfilter.html">QGalleryFilter</a> to <a href="qgalleryunionfilter.html">QGalleryUnionFilter</a>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@isValid -->
<!-- $$$prepend[overload1]$$$prependconstQGalleryMetaDataFilter& -->
<h3 class="fn"><a name="prepend"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">prepend</span> ( const <span class="type"><a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a></span> & <i>filter</i> )</h3>
<p>Prepends a meta-data <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@prepend -->
<!-- $$$prepend$$$prependconstQGalleryIntersectionFilter& -->
<h3 class="fn"><a name="prepend-2"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">prepend</span> ( const <span class="type"><a href="qgalleryintersectionfilter.html">QGalleryIntersectionFilter</a></span> & <i>filter</i> )</h3>
<p>Prepends an intersection <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@prepend -->
<!-- $$$prepend$$$prependconstQGalleryUnionFilter& -->
<h3 class="fn"><a name="prepend-3"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">prepend</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Prepends the contents of a union <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@prepend -->
<!-- $$$remove[overload1]$$$removeint -->
<h3 class="fn"><a name="remove"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">remove</span> ( <span class="type">int</span> <i>index</i> )</h3>
<p>Removes the filter at <i>index</i> from a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@remove -->
<!-- $$$replace[overload1]$$$replaceintconstQGalleryMetaDataFilter& -->
<h3 class="fn"><a name="replace"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">replace</span> ( <span class="type">int</span> <i>index</i>, const <span class="type"><a href="qgallerymetadatafilter.html">QGalleryMetaDataFilter</a></span> & <i>filter</i> )</h3>
<p>Replaces the filter at <i>index</i> in a union with a meta-data <i>filter</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@replace -->
<!-- $$$replace$$$replaceintconstQGalleryIntersectionFilter& -->
<h3 class="fn"><a name="replace-2"></a><span class="type">void</span> QGalleryUnionFilter::<span class="name">replace</span> ( <span class="type">int</span> <i>index</i>, const <span class="type"><a href="qgalleryintersectionfilter.html">QGalleryIntersectionFilter</a></span> & <i>filter</i> )</h3>
<p>Replaces the filter at <i>index</i> in a union with an intersetion <i>filter</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@replace -->
<!-- $$$operator<<[overload1]$$$operator<<constQGalleryUnionFilter& -->
<h3 class="fn"><a name="operator-lt-lt"></a><span class="type">QGalleryUnionFilter</span> & QGalleryUnionFilter::<span class="name">operator<<</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Appends a <i>filter</i> to a union.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@operator<< -->
<!-- $$$operator=[overload1]$$$operator=constQGalleryUnionFilter& -->
<h3 class="fn"><a name="operator-eq"></a><span class="type">QGalleryUnionFilter</span> & QGalleryUnionFilter::<span class="name">operator=</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter</i> )</h3>
<p>Assigns the value of <i>filter</i> to another union filter.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@operator= -->
</div>
<div class="relnonmem">
<h2>Related Non-Members</h2>
<!-- $$$operator||[overload1]$$$operator||constQGalleryUnionFilter&constQGalleryUnionFilter& -->
<h3 class="fn"><a name="operator-7c-7c"></a><span class="type">QGalleryUnionFilter</span> <span class="name">operator||</span> ( const <span class="type">QGalleryUnionFilter</span> & <i>filter1</i>, const <span class="type">QGalleryUnionFilter</span> & <i>filter2</i> )</h3>
<p>Returns a gallery filter which matches the union of <i>filter1</i> and <i>filter2</i>.</p>
<p>This function was introduced in Qt Mobility 1.1.</p>
<!-- @@@operator|| -->
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