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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QListViewItemIterator Class Reference</h1>
<p>The QListViewItemIterator class provides an iterator for collections of QListViewItems.
<a href="#details">More...</a>
<p><tt>#include <<a href="qlistview-h.html">qlistview.h</a>></tt>
<p><a href="qlistviewitemiterator-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li><div class=fn><a href="#QListViewItemIterator"><b>QListViewItemIterator</b></a> ()</div></li>
<li><div class=fn><a href="#QListViewItemIterator-2"><b>QListViewItemIterator</b></a> ( QListViewItem * item )</div></li>
<li><div class=fn><a href="#QListViewItemIterator-3"><b>QListViewItemIterator</b></a> ( const QListViewItemIterator & it )</div></li>
<li><div class=fn><a href="#QListViewItemIterator-4"><b>QListViewItemIterator</b></a> ( QListView * lv )</div></li>
<li><div class=fn>QListViewItemIterator & <a href="#operator-eq"><b>operator=</b></a> ( const QListViewItemIterator & it )</div></li>
<li><div class=fn><a href="#~QListViewItemIterator"><b>~QListViewItemIterator</b></a> ()</div></li>
<li><div class=fn>QListViewItemIterator & <a href="#operator++"><b>operator++</b></a> ()</div></li>
<li><div class=fn>const QListViewItemIterator <a href="#operator++-2"><b>operator++</b></a> ( int )</div></li>
<li><div class=fn>QListViewItemIterator & <a href="#operator+-eq"><b>operator+=</b></a> ( int j )</div></li>
<li><div class=fn>QListViewItemIterator & <a href="#operator--"><b>operator--</b></a> ()</div></li>
<li><div class=fn>const QListViewItemIterator <a href="#operator---2"><b>operator--</b></a> ( int )</div></li>
<li><div class=fn>QListViewItemIterator & <a href="#operator--eq"><b>operator-=</b></a> ( int j )</div></li>
<li><div class=fn>QListViewItem * <a href="#operator*"><b>operator*</b></a> ()</div></li>
<li><div class=fn>QListViewItem * <a href="#current"><b>current</b></a> () const</div></li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>
The QListViewItemIterator class provides an iterator for collections of QListViewItems.
<p>
<p> Construct an instance of a QListViewItemIterator, with either a
<a href="qlistview.html">QListView</a>* or a <a href="qlistviewitem.html">QListViewItem</a>* as argument, to operate on the tree
of QListViewItems.
<p> A QListViewItemIterator iterates over all the items in a list
view. This means that it always makes the first child of the
current item the new current item. If there is no child, the next
sibling becomes the new current item; and if there is no next
sibling, the next sibling of the parent becomes current.
<p> The following example creates a list of all the items that have
been selected by the user, storing pointers to the items in a
QPtrList:
<pre>
<a href="qptrlist.html">QPtrList</a><QListViewItem> lst;
QListViewItemIterator it( myListView );
while ( it.<a href="#current">current</a>() ) {
if ( it.<a href="#current">current</a>()->isSelected() )
lst.<a href="qptrlist.html#append">append</a>( it.<a href="#current">current</a>() );
++it;
}
</pre>
<p> A QListViewItemIterator provides a convenient and easy way to
traverse a hierarchical <a href="qlistview.html">QListView</a>.
<p> Multiple QListViewItemIterators can operate on the tree of
QListViewItems. A QListView knows about all iterators operating on
its QListViewItems. So when a <a href="qlistviewitem.html">QListViewItem</a> gets removed all
iterators that point to this item are updated and point to the
following item if possible, otherwise to a valid item before the
current one or to 0.
<p> <p>See also <a href="qlistview.html">QListView</a>, <a href="qlistviewitem.html">QListViewItem</a>, and <a href="advanced.html">Advanced Widgets</a>.
<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="QListViewItemIterator"></a>QListViewItemIterator::QListViewItemIterator ()
</h3>
Constructs an empty iterator.
<h3 class=fn><a name="QListViewItemIterator-2"></a>QListViewItemIterator::QListViewItemIterator ( <a href="qlistviewitem.html">QListViewItem</a> * item )
</h3>
Constructs an iterator for the <a href="qlistview.html">QListView</a> that contains the <em>item</em>. The current iterator item is set to point to the <em>item</em>.
<h3 class=fn><a name="QListViewItemIterator-3"></a>QListViewItemIterator::QListViewItemIterator ( const <a href="qlistviewitemiterator.html">QListViewItemIterator</a> & it )
</h3>
Constructs an iterator for the same <a href="qlistview.html">QListView</a> as <em>it</em>. The
current iterator item is set to point on the current item of <em>it</em>.
<h3 class=fn><a name="QListViewItemIterator-4"></a>QListViewItemIterator::QListViewItemIterator ( <a href="qlistview.html">QListView</a> * lv )
</h3>
Constructs an iterator for the <a href="qlistview.html">QListView</a> <em>lv</em>. The current
iterator item is set to point on the first child (<a href="qlistviewitem.html">QListViewItem</a>)
of <em>lv</em>.
<h3 class=fn><a name="~QListViewItemIterator"></a>QListViewItemIterator::~QListViewItemIterator ()
</h3>
Destroys the iterator.
<h3 class=fn><a href="qlistviewitem.html">QListViewItem</a> * <a name="current"></a>QListViewItemIterator::current () const
</h3>
Returns iterator's current item.
<p>Examples: <a href="addressbook-example.html#x564">addressbook/centralwidget.cpp</a>, <a href="checklists-example.html#x365">checklists/checklists.cpp</a>, and <a href="dirview-example.html#x1766">dirview/dirview.cpp</a>.
<h3 class=fn><a href="qlistviewitem.html">QListViewItem</a> * <a name="operator*"></a>QListViewItemIterator::operator* ()
</h3>
Dereference operator. Returns a reference to the current item. The
same as <a href="#current">current</a>().
<h3 class=fn><a href="qlistviewitemiterator.html">QListViewItemIterator</a> & <a name="operator++"></a>QListViewItemIterator::operator++ ()
</h3>
Prefix ++. Makes the next item the new current item and returns
it. Returns 0 if the current item is the last item or the
<a href="qlistview.html">QListView</a> is 0.
<h3 class=fn>const <a href="qlistviewitemiterator.html">QListViewItemIterator</a> <a name="operator++-2"></a>QListViewItemIterator::operator++ ( int )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Postfix ++. Makes the next item the new current item and returns
the item that <em>was</em> the current item.
<h3 class=fn><a href="qlistviewitemiterator.html">QListViewItemIterator</a> & <a name="operator+-eq"></a>QListViewItemIterator::operator+= ( int j )
</h3>
Sets the current item to the item <em>j</em> positions after the current
item. If that item is beyond the last item, the current item is
set to 0. Returns the current item.
<h3 class=fn><a href="qlistviewitemiterator.html">QListViewItemIterator</a> & <a name="operator--"></a>QListViewItemIterator::operator-- ()
</h3>
Prefix --. Makes the previous item the new current item and
returns it. Returns 0 if the current item is the first item or the
<a href="qlistview.html">QListView</a> is 0.
<h3 class=fn>const <a href="qlistviewitemiterator.html">QListViewItemIterator</a> <a name="operator---2"></a>QListViewItemIterator::operator-- ( int )
</h3>
This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
<p> Postfix --. Makes the previous item the new current item and
returns the item that <em>was</em> the current item.
<h3 class=fn><a href="qlistviewitemiterator.html">QListViewItemIterator</a> & <a name="operator--eq"></a>QListViewItemIterator::operator-= ( int j )
</h3>
Sets the current item to the item <em>j</em> positions before the
current item. If that item is before the first item, the current
item is set to 0. Returns the current item.
<h3 class=fn><a href="qlistviewitemiterator.html">QListViewItemIterator</a> & <a name="operator-eq"></a>QListViewItemIterator::operator= ( const <a href="qlistviewitemiterator.html">QListViewItemIterator</a> & it )
</h3>
Assignment. Makes a copy of <em>it</em> and returns a reference to its
iterator.
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