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<li class="level1"><a href="#public-types">Public Types</a></li>
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<h1 class="title">QTreeWidgetItemIterator Class Reference</h1>
<!-- $$$QTreeWidgetItemIterator-brief -->
<p>The QTreeWidgetItemIterator class provides a way to iterate over the items in a <a href="qtreewidget.html">QTreeWidget</a> instance. <a href="#details">More...</a></p>
<!-- @@@QTreeWidgetItemIterator -->
<pre class="cpp"> <span class="preprocessor">#include <QTreeWidgetItemIterator></span></pre><ul>
<li><a href="qtreewidgetitemiterator-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="qtreewidgetitemiterator.html#IteratorFlag-enum">IteratorFlag</a></b> { All, Hidden, NotHidden, Selected, ..., UserFlag }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> flags </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#IteratorFlag-enum">IteratorFlags</a></b></td></tr>
</table>
<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="qtreewidgetitemiterator.html#QTreeWidgetItemIterator">QTreeWidgetItemIterator</a></b> ( const QTreeWidgetItemIterator & <i>it</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#QTreeWidgetItemIterator-2">QTreeWidgetItemIterator</a></b> ( QTreeWidget * <i>widget</i>, IteratorFlags <i>flags</i> = All )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#QTreeWidgetItemIterator-3">QTreeWidgetItemIterator</a></b> ( QTreeWidgetItem * <i>item</i>, IteratorFlags <i>flags</i> = All )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#dtor.QTreeWidgetItemIterator">~QTreeWidgetItemIterator</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItem * </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator-2a">operator*</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItemIterator & </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator-2b-2b">operator++</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> const QTreeWidgetItemIterator </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator-2b-2b-2">operator++</a></b> ( int )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItemIterator & </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator-2b-eq">operator+=</a></b> ( int <i>n</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItemIterator & </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator--">operator--</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> const QTreeWidgetItemIterator </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator---2">operator--</a></b> ( int )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItemIterator & </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator--eq">operator-=</a></b> ( int <i>n</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QTreeWidgetItemIterator & </td><td class="memItemRight bottomAlign"><b><a href="qtreewidgetitemiterator.html#operator-eq">operator=</a></b> ( const QTreeWidgetItemIterator & <i>it</i> )</td></tr>
</table>
<a name="details"></a>
<!-- $$$QTreeWidgetItemIterator-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QTreeWidgetItemIterator class provides a way to iterate over the items in a <a href="qtreewidget.html">QTreeWidget</a> instance.</p>
<p>The iterator will walk the items in a pre-order traversal order, thus visiting the parent node <i>before</i> it continues to the child nodes.</p>
<p>For example, the following code examples each item in a tree, checking the text in the first column against a user-specified search string:</p>
<pre class="cpp"> <span class="type">QTreeWidgetItemIterator</span> it(treeWidget);
<span class="keyword">while</span> (<span class="operator">*</span>it) {
<span class="keyword">if</span> ((<span class="operator">*</span>it)<span class="operator">-</span><span class="operator">></span>text(<span class="number">0</span>) <span class="operator">=</span><span class="operator">=</span> itemText)
(<span class="operator">*</span>it)<span class="operator">-</span><span class="operator">></span>setSelected(<span class="keyword">true</span>);
<span class="operator">+</span><span class="operator">+</span>it;
}</pre>
<p>It is also possible to filter out certain types of node by passing certain <a href="qtreewidgetitemiterator.html#IteratorFlag-enum">flags</a> to the constructor of QTreeWidgetItemIterator.</p>
</div>
<p><b>See also </b><a href="qtreewidget.html">QTreeWidget</a>, <a href="model-view-programming.html">Model/View Programming</a>, and <a href="qtreewidgetitem.html">QTreeWidgetItem</a>.</p>
<!-- @@@QTreeWidgetItemIterator -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$IteratorFlag$$$All$$$Hidden$$$NotHidden$$$Selected$$$Unselected$$$Selectable$$$NotSelectable$$$DragEnabled$$$DragDisabled$$$DropEnabled$$$DropDisabled$$$HasChildren$$$NoChildren$$$Checked$$$NotChecked$$$Enabled$$$Disabled$$$Editable$$$NotEditable$$$UserFlag -->
<h3 class="flags"><a name="IteratorFlag-enum"></a>enum QTreeWidgetItemIterator::<span class="name">IteratorFlag</span><br/>flags QTreeWidgetItemIterator::<span class="name">IteratorFlags</span></h3>
<p>These flags can be passed to a <a href="qtreewidgetitemiterator.html">QTreeWidgetItemIterator</a> constructor (OR-ed together if more than one is used), so that the iterator will only iterate over items that match the given flags.</p>
<table class="valuelist"><tr><th class="tblConst">Constant</th><th class="tblVal">Value</th></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::All</tt></td><td class="topAlign"><tt>0x00000000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Hidden</tt></td><td class="topAlign"><tt>0x00000001</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::NotHidden</tt></td><td class="topAlign"><tt>0x00000002</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Selected</tt></td><td class="topAlign"><tt>0x00000004</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Unselected</tt></td><td class="topAlign"><tt>0x00000008</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Selectable</tt></td><td class="topAlign"><tt>0x00000010</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::NotSelectable</tt></td><td class="topAlign"><tt>0x00000020</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::DragEnabled</tt></td><td class="topAlign"><tt>0x00000040</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::DragDisabled</tt></td><td class="topAlign"><tt>0x00000080</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::DropEnabled</tt></td><td class="topAlign"><tt>0x00000100</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::DropDisabled</tt></td><td class="topAlign"><tt>0x00000200</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::HasChildren</tt></td><td class="topAlign"><tt>0x00000400</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::NoChildren</tt></td><td class="topAlign"><tt>0x00000800</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Checked</tt></td><td class="topAlign"><tt>0x00001000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::NotChecked</tt></td><td class="topAlign"><tt>0x00002000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Enabled</tt></td><td class="topAlign"><tt>0x00004000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Disabled</tt></td><td class="topAlign"><tt>0x00008000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::Editable</tt></td><td class="topAlign"><tt>0x00010000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::NotEditable</tt></td><td class="topAlign"><tt>0x00020000</tt></td></tr>
<tr><td class="topAlign"><tt>QTreeWidgetItemIterator::UserFlag</tt></td><td class="topAlign"><tt>0x01000000</tt></td></tr>
</table>
<p>The IteratorFlags type is a typedef for <a href="qflags.html">QFlags</a><IteratorFlag>. It stores an OR combination of IteratorFlag values.</p>
<!-- @@@IteratorFlag -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QTreeWidgetItemIterator[overload1]$$$QTreeWidgetItemIteratorconstQTreeWidgetItemIterator& -->
<h3 class="fn"><a name="QTreeWidgetItemIterator"></a>QTreeWidgetItemIterator::<span class="name">QTreeWidgetItemIterator</span> ( const <span class="type">QTreeWidgetItemIterator</span> & <i>it</i> )</h3>
<p>Constructs an iterator for the same <a href="qtreewidget.html">QTreeWidget</a> as <i>it</i>. The current iterator item is set to point on the current item of <i>it</i>.</p>
<!-- @@@QTreeWidgetItemIterator -->
<!-- $$$QTreeWidgetItemIterator$$$QTreeWidgetItemIteratorQTreeWidget*IteratorFlags -->
<h3 class="fn"><a name="QTreeWidgetItemIterator-2"></a>QTreeWidgetItemIterator::<span class="name">QTreeWidgetItemIterator</span> ( <span class="type"><a href="qtreewidget.html">QTreeWidget</a></span> * <i>widget</i>, <span class="type"><a href="qtreewidgetitemiterator.html#IteratorFlag-enum">IteratorFlags</a></span> <i>flags</i> = All )</h3>
<p>Constructs an iterator for the given <i>widget</i> that uses the specified <i>flags</i> to determine which items are found during iteration. The iterator is set to point to the first top-level item contained in the widget, or the next matching item if the top-level item doesn't match the flags.</p>
<p><b>See also </b><a href="qtreewidgetitemiterator.html#IteratorFlag-enum">QTreeWidgetItemIterator::IteratorFlag</a>.</p>
<!-- @@@QTreeWidgetItemIterator -->
<!-- $$$QTreeWidgetItemIterator$$$QTreeWidgetItemIteratorQTreeWidgetItem*IteratorFlags -->
<h3 class="fn"><a name="QTreeWidgetItemIterator-3"></a>QTreeWidgetItemIterator::<span class="name">QTreeWidgetItemIterator</span> ( <span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> * <i>item</i>, <span class="type"><a href="qtreewidgetitemiterator.html#IteratorFlag-enum">IteratorFlags</a></span> <i>flags</i> = All )</h3>
<p>Constructs an iterator for the given <i>item</i> that uses the specified <i>flags</i> to determine which items are found during iteration. The iterator is set to point to <i>item</i>, or the next matching item if <i>item</i> doesn't match the flags.</p>
<p><b>See also </b><a href="qtreewidgetitemiterator.html#IteratorFlag-enum">QTreeWidgetItemIterator::IteratorFlag</a>.</p>
<!-- @@@QTreeWidgetItemIterator -->
<!-- $$$~QTreeWidgetItemIterator[overload1]$$$~QTreeWidgetItemIterator -->
<h3 class="fn"><a name="dtor.QTreeWidgetItemIterator"></a>QTreeWidgetItemIterator::<span class="name">~QTreeWidgetItemIterator</span> ()</h3>
<p>Destroys the iterator.</p>
<!-- @@@~QTreeWidgetItemIterator -->
<!-- $$$operator*[overload1]$$$operator* -->
<h3 class="fn"><a name="operator-2a"></a><span class="type"><a href="qtreewidgetitem.html">QTreeWidgetItem</a></span> * QTreeWidgetItemIterator::<span class="name">operator*</span> () const</h3>
<p>Dereference operator. Returns a pointer to the current item.</p>
<!-- @@@operator* -->
<!-- $$$operator++[overload1]$$$operator++ -->
<h3 class="fn"><a name="operator-2b-2b"></a><span class="type">QTreeWidgetItemIterator</span> & QTreeWidgetItemIterator::<span class="name">operator++</span> ()</h3>
<p>The prefix ++ operator (++it) advances the iterator to the next matching item and returns a reference to the resulting iterator. Sets the current pointer to 0 if the current item is the last matching item.</p>
<!-- @@@operator++ -->
<!-- $$$operator++$$$operator++int -->
<h3 class="fn"><a name="operator-2b-2b-2"></a>const <span class="type">QTreeWidgetItemIterator</span> QTreeWidgetItemIterator::<span class="name">operator++</span> ( <span class="type">int</span> )</h3>
<p>The postfix ++ operator (it++) advances the iterator to the next matching item and returns an iterator to the previously current item.</p>
<!-- @@@operator++ -->
<!-- $$$operator+=[overload1]$$$operator+=int -->
<h3 class="fn"><a name="operator-2b-eq"></a><span class="type">QTreeWidgetItemIterator</span> & QTreeWidgetItemIterator::<span class="name">operator+=</span> ( <span class="type">int</span> <i>n</i> )</h3>
<p>Makes the iterator go forward by <i>n</i> matching items. (If n is negative, the iterator goes backward.)</p>
<p>If the current item is beyond the last item, the current item pointer is set to 0. Returns the resulting iterator.</p>
<!-- @@@operator+= -->
<!-- $$$operator--[overload1]$$$operator-- -->
<h3 class="fn"><a name="operator--"></a><span class="type">QTreeWidgetItemIterator</span> & QTreeWidgetItemIterator::<span class="name">operator--</span> ()</h3>
<p>The prefix -- operator (--it) advances the iterator to the previous matching item and returns a reference to the resulting iterator. Sets the current pointer to 0 if the current item is the first matching item.</p>
<!-- @@@operator-- -->
<!-- $$$operator--$$$operator--int -->
<h3 class="fn"><a name="operator---2"></a>const <span class="type">QTreeWidgetItemIterator</span> QTreeWidgetItemIterator::<span class="name">operator--</span> ( <span class="type">int</span> )</h3>
<p>The postfix -- operator (it--) makes the preceding matching item current and returns an iterator to the previously current item.</p>
<!-- @@@operator-- -->
<!-- $$$operator-=[overload1]$$$operator-=int -->
<h3 class="fn"><a name="operator--eq"></a><span class="type">QTreeWidgetItemIterator</span> & QTreeWidgetItemIterator::<span class="name">operator-=</span> ( <span class="type">int</span> <i>n</i> )</h3>
<p>Makes the iterator go backward by <i>n</i> matching items. (If n is negative, the iterator goes forward.)</p>
<p>If the current item is ahead of the last item, the current item pointer is set to 0. Returns the resulting iterator.</p>
<!-- @@@operator-= -->
<!-- $$$operator=[overload1]$$$operator=constQTreeWidgetItemIterator& -->
<h3 class="fn"><a name="operator-eq"></a><span class="type">QTreeWidgetItemIterator</span> & QTreeWidgetItemIterator::<span class="name">operator=</span> ( const <span class="type">QTreeWidgetItemIterator</span> & <i>it</i> )</h3>
<p>Assignment. Makes a copy of <i>it</i> and returns a reference to its iterator.</p>
<!-- @@@operator= -->
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