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-<title>TQPtrDict Class</title>
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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>TQPtrDict Class Reference</h1>
-
-<p>The TQPtrDict class is a template class that provides a dictionary based on void* keys.
-<a href="#details">More...</a>
-<p><tt>#include &lt;<a href="qptrdict-h.html">qptrdict.h</a>&gt;</tt>
-<p>Inherits <a href="qptrcollection.html">TQPtrCollection</a>.
-<p><a href="qptrdict-members.html">List of all member functions.</a>
-<h2>Public Members</h2>
-<ul>
-<li class=fn><a href="#TQPtrDict"><b>TQPtrDict</b></a> ( int&nbsp;size = 17 )</li>
-<li class=fn><a href="#TQPtrDict-2"><b>TQPtrDict</b></a> ( const&nbsp;TQPtrDict&lt;type&gt;&nbsp;&amp;&nbsp;dict )</li>
-<li class=fn><a href="#~TQPtrDict"><b>~TQPtrDict</b></a> ()</li>
-<li class=fn>TQPtrDict&lt;type&gt; &amp; <a href="#operator-eq"><b>operator=</b></a> ( const&nbsp;TQPtrDict&lt;type&gt;&nbsp;&amp;&nbsp;dict )</li>
-<li class=fn>virtual uint <a href="#count"><b>count</b></a> () const</li>
-<li class=fn>uint <a href="#size"><b>size</b></a> () const</li>
-<li class=fn>bool <a href="#isEmpty"><b>isEmpty</b></a> () const</li>
-<li class=fn>void <a href="#insert"><b>insert</b></a> ( void&nbsp;*&nbsp;key, const&nbsp;type&nbsp;*&nbsp;item )</li>
-<li class=fn>void <a href="#replace"><b>replace</b></a> ( void&nbsp;*&nbsp;key, const&nbsp;type&nbsp;*&nbsp;item )</li>
-<li class=fn>bool <a href="#remove"><b>remove</b></a> ( void&nbsp;*&nbsp;key )</li>
-<li class=fn>type * <a href="#take"><b>take</b></a> ( void&nbsp;*&nbsp;key )</li>
-<li class=fn>type * <a href="#find"><b>find</b></a> ( void&nbsp;*&nbsp;key ) const</li>
-<li class=fn>type * <a href="#operator[]"><b>operator[]</b></a> ( void&nbsp;*&nbsp;key ) const</li>
-<li class=fn>virtual void <a href="#clear"><b>clear</b></a> ()</li>
-<li class=fn>void <a href="#resize"><b>resize</b></a> ( uint&nbsp;newsize )</li>
-<li class=fn>void <a href="#statistics"><b>statistics</b></a> () const</li>
-</ul>
-<h2>Important Inherited Members</h2>
-<ul>
-<li class=fn>bool <a href="#autoDelete"><b>autoDelete</b></a> () const</li>
-<li class=fn>void <a href="#setAutoDelete"><b>setAutoDelete</b></a> ( bool&nbsp;enable )</li>
-</ul>
-<h2>Protected Members</h2>
-<ul>
-<li class=fn>virtual TQDataStream &amp; <a href="#read"><b>read</b></a> ( TQDataStream&nbsp;&amp;&nbsp;s, TQPtrCollection::Item&nbsp;&amp;&nbsp;item )</li>
-<li class=fn>virtual TQDataStream &amp; <a href="#write"><b>write</b></a> ( TQDataStream&nbsp;&amp;&nbsp;s, TQPtrCollection::Item ) const</li>
-</ul>
-<hr><a name="details"></a><h2>Detailed Description</h2>
-
-
-The TQPtrDict class is a template class that provides a dictionary based on void* keys.
-<p>
-
-<p>
-<p> TQPtrDict is implemented as a template class. Define a template
-instance TQPtrDict&lt;X&gt; to create a dictionary that operates on
-pointers to X (X*).
-<p> A dictionary is a collection of key-value pairs. The key is a
-void* used for insertion, removal and lookup. The value is a
-pointer. Dictionaries provide very fast insertion and lookup.
-<p> Example:
-<pre>
- TQPtrDict&lt;char&gt; fields; // void* keys, char* values
-
- <a href="qlineedit.html">TQLineEdit</a> *le1 = new <a href="qlineedit.html">TQLineEdit</a>( this );
- le1-&gt;<a href="qlineedit.html#setText">setText</a>( "Simpson" );
- <a href="qlineedit.html">TQLineEdit</a> *le2 = new <a href="qlineedit.html">TQLineEdit</a>( this );
- le2-&gt;<a href="qlineedit.html#setText">setText</a>( "Homer" );
- <a href="qlineedit.html">TQLineEdit</a> *le3 = new <a href="qlineedit.html">TQLineEdit</a>( this );
- le3-&gt;<a href="qlineedit.html#setText">setText</a>( "45" );
-
- fields.<a href="#insert">insert</a>( le1, "Surname" );
- fields.<a href="#insert">insert</a>( le2, "Forename" );
- fields.<a href="#insert">insert</a>( le3, "Age" );
-
- <a href="qptrdictiterator.html">TQPtrDictIterator</a>&lt;char&gt; it( fields );
- for( ; it.<a href="qptrdictiterator.html#current">current</a>(); ++it )
- cout &lt;&lt; it.<a href="qptrdictiterator.html#current">current</a>() &lt;&lt; endl;
- cout &lt;&lt; endl;
-
- if ( fields[le1] ) // Prints "Surname: Simpson"
- cout &lt;&lt; fields[le1] &lt;&lt; ": " &lt;&lt; le1-&gt;<a href="qlineedit.html#text">text</a>() &lt;&lt; endl;
- if ( fields[le2] ) // Prints "Forename: Homer"
- cout &lt;&lt; fields[le2] &lt;&lt; ": " &lt;&lt; le2-&gt;<a href="qlineedit.html#text">text</a>() &lt;&lt; endl;
-
- fields.<a href="#remove">remove</a>( le1 ); // Removes le1 from the dictionary
- cout &lt;&lt; le1-&gt;<a href="qlineedit.html#text">text</a>() &lt;&lt; endl; // Prints "Simpson"
- </pre>
-
-In this example we use a dictionary to add an extra property (a
-char*) to the line edits we're using.
-<p> See <a href="qdict.html">TQDict</a> for full details, including the choice of dictionary
-size, and how deletions are handled.
-<p> <p>See also <a href="qptrdictiterator.html">TQPtrDictIterator</a>, <a href="qdict.html">TQDict</a>, <a href="qasciidict.html">TQAsciiDict</a>, <a href="qintdict.html">TQIntDict</a>, <a href="collection.html">Collection Classes</a>, <a href="collection.html">Collection Classes</a>, and <a href="tools.html">Non-GUI Classes</a>.
-
-<hr><h2>Member Function Documentation</h2>
-<h3 class=fn><a name="TQPtrDict"></a>TQPtrDict::TQPtrDict ( int&nbsp;size = 17 )
-</h3>
-
-<p> Constructs a dictionary using an internal hash array with the size
-<em>size</em>.
-<p> Setting <em>size</em> to a suitably large <a href="primes.html#prime">prime</a> number (equal to or
-greater than the expected number of entries) makes the hash
-distribution better and improves lookup performance.
-
-<h3 class=fn><a name="TQPtrDict-2"></a>TQPtrDict::TQPtrDict ( const&nbsp;<a href="qptrdict.html">TQPtrDict</a>&lt;type&gt;&nbsp;&amp;&nbsp;dict )
-</h3>
-
-<p> Constructs a copy of <em>dict</em>.
-<p> Each item in <em>dict</em> is inserted into this dictionary. Only the
-pointers are copied (shallow copy).
-
-<h3 class=fn><a name="~TQPtrDict"></a>TQPtrDict::~TQPtrDict ()
-</h3>
-
-<p> Removes all items from the dictionary and destroys it.
-<p> All iterators that access this dictionary will be reset.
-<p> <p>See also <a href="qptrcollection.html#setAutoDelete">setAutoDelete</a>().
-
-<h3 class=fn>bool <a name="autoDelete"></a>TQPtrCollection::autoDelete () const
-</h3>
-
-<p> Returns the setting of the auto-delete option. The default is FALSE.
-<p> <p>See also <a href="qptrcollection.html#setAutoDelete">setAutoDelete</a>().
-
-<h3 class=fn>void <a name="clear"></a>TQPtrDict::clear ()<tt> [virtual]</tt>
-</h3>
-
-<p> Removes all items from the dictionary.
-<p> The removed items are deleted if <a href="qptrcollection.html#setAutoDelete">auto-deletion</a> is enabled.
-<p> All dictionary iterators that access this dictionary will be
-reset.
-<p> <p>See also <a href="#remove">remove</a>(), <a href="#take">take</a>(), and <a href="qptrcollection.html#setAutoDelete">setAutoDelete</a>().
-
-<p>Reimplemented from <a href="qptrcollection.html#clear">TQPtrCollection</a>.
-<h3 class=fn>uint <a name="count"></a>TQPtrDict::count () const<tt> [virtual]</tt>
-</h3>
-
-<p> Returns the number of items in the dictionary.
-<p> <p>See also <a href="#isEmpty">isEmpty</a>().
-
-<p>Reimplemented from <a href="qptrcollection.html#count">TQPtrCollection</a>.
-<h3 class=fn>type * <a name="find"></a>TQPtrDict::find ( void&nbsp;*&nbsp;key ) const
-</h3>
-
-<p> Returns the item associated with <em>key</em>, or 0 if the key does not
-exist in the dictionary.
-<p> If there are two or more items with equal keys, then the most
-recently inserted item will be found.
-<p> Equivalent to operator[].
-<p> <p>See also <a href="#operator[]">operator[]</a>().
-
-<h3 class=fn>void <a name="insert"></a>TQPtrDict::insert ( void&nbsp;*&nbsp;key, const&nbsp;type&nbsp;*&nbsp;item )
-</h3>
-
-<p> Inserts the <em>key</em> with the <em>item</em> into the dictionary.
-<p> Multiple items can have the same key, in which case only the last
-item will be accessible using <a href="#operator[]">operator[]</a>().
-<p> <em>item</em> may not be 0.
-<p> <p>See also <a href="#replace">replace</a>().
-
-<h3 class=fn>bool <a name="isEmpty"></a>TQPtrDict::isEmpty () const
-</h3>
-
-<p> Returns TRUE if the dictionary is empty; otherwise returns FALSE.
-<p> <p>See also <a href="#count">count</a>().
-
-<h3 class=fn><a href="qptrdict.html">TQPtrDict</a>&lt;type&gt;&nbsp;&amp; <a name="operator-eq"></a>TQPtrDict::operator= ( const&nbsp;<a href="qptrdict.html">TQPtrDict</a>&lt;type&gt;&nbsp;&amp;&nbsp;dict )
-</h3>
-
-<p> Assigns <em>dict</em> to this dictionary and returns a reference to this
-dictionary.
-<p> This dictionary is first cleared and then each item in <em>dict</em> is
-inserted into the dictionary. Only the pointers are copied
-(shallow copy), unless <a href="qptrcollection.html#newItem">newItem</a>() has been reimplemented.
-
-<h3 class=fn>type * <a name="operator[]"></a>TQPtrDict::operator[] ( void&nbsp;*&nbsp;key ) const
-</h3>
-
-<p> Returns the item associated with <em>key</em>, or 0 if the key does not
-exist in the dictionary.
-<p> If there are two or more items with equal keys, then the most
-recently inserted item will be found.
-<p> Equivalent to the <a href="#find">find</a>() function.
-<p> <p>See also <a href="#find">find</a>().
-
-<h3 class=fn><a href="qdatastream.html">TQDataStream</a>&nbsp;&amp; <a name="read"></a>TQPtrDict::read ( <a href="qdatastream.html">TQDataStream</a>&nbsp;&amp;&nbsp;s, <a href="qptrcollection.html#Item">TQPtrCollection::Item</a>&nbsp;&amp;&nbsp;item )<tt> [virtual protected]</tt>
-</h3>
-
-<p> Reads a dictionary item from the stream <em>s</em> and returns a
-reference to the stream.
-<p> The default implementation sets <em>item</em> to 0.
-<p> <p>See also <a href="#write">write</a>().
-
-<h3 class=fn>bool <a name="remove"></a>TQPtrDict::remove ( void&nbsp;*&nbsp;key )
-</h3>
-
-<p> Removes the item associated with <em>key</em> from the dictionary.
-Returns TRUE if successful, i.e. if <em>key</em> is in the dictionary;
-otherwise returns FALSE.
-<p> If there are two or more items with equal keys, then the most
-recently inserted item will be removed.
-<p> The removed item is deleted if <a href="qptrcollection.html#setAutoDelete">auto-deletion</a> is enabled.
-<p> All dictionary iterators that refer to the removed item will be
-set to point to the next item in the dictionary traversal order.
-<p> <p>See also <a href="#take">take</a>(), <a href="#clear">clear</a>(), and <a href="qptrcollection.html#setAutoDelete">setAutoDelete</a>().
-
-<h3 class=fn>void <a name="replace"></a>TQPtrDict::replace ( void&nbsp;*&nbsp;key, const&nbsp;type&nbsp;*&nbsp;item )
-</h3>
-
-<p> If the dictionary has key <em>key</em>, this key's item is replaced with
-<em>item</em>. If the dictionary doesn't contain key <em>key</em>, <em>item</em> is
-inserted into the dictionary using key <em>key</em>.
-<p> <em>item</em> may not be 0.
-<p> Equivalent to
-<pre>
- TQPtrDict&lt;ItemType&gt; dict;
- ...
- if ( dict.<a href="#find">find</a>( key ) )
- dict.<a href="#remove">remove</a>( key );
- dict.<a href="#insert">insert</a>( key, item );
- </pre>
-
-<p> If there are two or more items with equal keys, then the most
-recently inserted item will be replaced.
-<p> <p>See also <a href="#insert">insert</a>().
-
-<h3 class=fn>void <a name="resize"></a>TQPtrDict::resize ( uint&nbsp;newsize )
-</h3>
-
-<p> Changes the size of the hash table to <em>newsize</em>. The contents of
-the dictionary are preserved, but all iterators on the dictionary
-become invalid.
-
-<h3 class=fn>void <a name="setAutoDelete"></a>TQPtrCollection::setAutoDelete ( bool&nbsp;enable )
-</h3>
-
-<p> Sets the collection to auto-delete its contents if <em>enable</em> is
-TRUE and to never delete them if <em>enable</em> is FALSE.
-<p> If auto-deleting is turned on, all the items in a collection are
-deleted when the collection itself is deleted. This is convenient
-if the collection has the only pointer to the items.
-<p> The default setting is FALSE, for safety. If you turn it on, be
-careful about copying the collection - you might find yourself
-with two collections deleting the same items.
-<p> Note that the auto-delete setting may also affect other functions
-in subclasses. For example, a subclass that has a <a href="#remove">remove</a>()
-function will remove the item from its data structure, and if
-auto-delete is enabled, will also delete the item.
-<p> <p>See also <a href="qptrcollection.html#autoDelete">autoDelete</a>().
-
-<p>Examples: <a href="grapher-nsplugin-example.html#x2769">grapher/grapher.cpp</a>, <a href="scribble-example.html#x924">scribble/scribble.cpp</a>, and <a href="bigtable-example.html#x1291">table/bigtable/main.cpp</a>.
-<h3 class=fn>uint <a name="size"></a>TQPtrDict::size () const
-</h3>
-
-<p> Returns the size of the internal hash table (as specified in the
-constructor).
-<p> <p>See also <a href="#count">count</a>().
-
-<h3 class=fn>void <a name="statistics"></a>TQPtrDict::statistics () const
-</h3>
-
-<p> Debugging-only function that prints out the dictionary
-distribution using <a href="qapplication.html#qDebug">qDebug</a>().
-
-<h3 class=fn>type * <a name="take"></a>TQPtrDict::take ( void&nbsp;*&nbsp;key )
-</h3>
-
-<p> Takes the item associated with <em>key</em> out of the dictionary
-without deleting it (even if <a href="qptrcollection.html#setAutoDelete">auto-deletion</a> is enabled).
-<p> If there are two or more items with equal keys, then the most
-recently inserted item will be removed.
-<p> Returns a pointer to the item taken out, or 0 if the key does not
-exist in the dictionary.
-<p> All dictionary iterators that refer to the taken item will be set
-to point to the next item in the dictionary traversal order.
-<p> <p>See also <a href="#remove">remove</a>(), <a href="#clear">clear</a>(), and <a href="qptrcollection.html#setAutoDelete">setAutoDelete</a>().
-
-<h3 class=fn><a href="qdatastream.html">TQDataStream</a>&nbsp;&amp; <a name="write"></a>TQPtrDict::write ( <a href="qdatastream.html">TQDataStream</a>&nbsp;&amp;&nbsp;s, <a href="qptrcollection.html#Item">TQPtrCollection::Item</a> ) const<tt> [virtual protected]</tt>
-</h3>
-
-<p> Writes a dictionary item to the stream <em>s</em> and returns a
-reference to the stream.
-<p> <p>See also <a href="#read">read</a>().
-
-<!-- eof -->
-<hr><p>
-This file is part of the <a href="index.html">TQt toolkit</a>.
-Copyright &copy; 1995-2007
-<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
-<table width=100% cellspacing=0 border=0><tr>
-<td>Copyright &copy; 2007
-<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
-<td align=right><div align=right>TQt 3.3.8</div>
-</table></div></address></body>
-</html>