You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
179 lines
7.4 KiB
179 lines
7.4 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
<title>TQAsciiDictIterator Class</title>
|
|
<style type="text/css"><!--
|
|
fn { margin-left: 1cm; text-indent: -1cm; }
|
|
a:link { color: #004faf; text-decoration: none }
|
|
a:visited { color: #672967; text-decoration: none }
|
|
body { background: #ffffff; color: black; }
|
|
--></style>
|
|
</head>
|
|
<body>
|
|
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
<tr bgcolor="#E5E5E5">
|
|
<td valign=center>
|
|
<a href="index.html">
|
|
<font color="#004faf">Home</font></a>
|
|
| <a href="classes.html">
|
|
<font color="#004faf">All Classes</font></a>
|
|
| <a href="mainclasses.html">
|
|
<font color="#004faf">Main Classes</font></a>
|
|
| <a href="annotated.html">
|
|
<font color="#004faf">Annotated</font></a>
|
|
| <a href="groups.html">
|
|
<font color="#004faf">Grouped Classes</font></a>
|
|
| <a href="functions.html">
|
|
<font color="#004faf">Functions</font></a>
|
|
</td>
|
|
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQAsciiDictIterator Class Reference</h1>
|
|
|
|
<p>The TQAsciiDictIterator class provides an iterator for TQAsciiDict collections.
|
|
<a href="#details">More...</a>
|
|
<p><tt>#include <<a href="tqasciidict-h.html">tqasciidict.h</a>></tt>
|
|
<p><a href="tqasciidictiterator-members.html">List of all member functions.</a>
|
|
<h2>Public Members</h2>
|
|
<ul>
|
|
<li class=fn><a href="#TQAsciiDictIterator"><b>TQAsciiDictIterator</b></a> ( const TQAsciiDict<type> & dict )</li>
|
|
<li class=fn><a href="#~TQAsciiDictIterator"><b>~TQAsciiDictIterator</b></a> ()</li>
|
|
<li class=fn>uint <a href="#count"><b>count</b></a> () const</li>
|
|
<li class=fn>bool <a href="#isEmpty"><b>isEmpty</b></a> () const</li>
|
|
<li class=fn>type * <a href="#toFirst"><b>toFirst</b></a> ()</li>
|
|
<li class=fn><a href="#operator-type-*"><b>operator type *</b></a> () const</li>
|
|
<li class=fn>type * <a href="#current"><b>current</b></a> () const</li>
|
|
<li class=fn>const char * <a href="#currentKey"><b>currentKey</b></a> () const</li>
|
|
<li class=fn>type * <a href="#operator()"><b>operator()</b></a> ()</li>
|
|
<li class=fn>type * <a href="#operator++"><b>operator++</b></a> ()</li>
|
|
<li class=fn>type * <a href="#operator+-eq"><b>operator+=</b></a> ( uint jump )</li>
|
|
</ul>
|
|
<hr><a name="details"></a><h2>Detailed Description</h2>
|
|
|
|
|
|
The TQAsciiDictIterator class provides an iterator for <a href="tqasciidict.html">TQAsciiDict</a> collections.
|
|
<p>
|
|
|
|
<p> TQAsciiDictIterator is implemented as a template class. Define a
|
|
template instance TQAsciiDictIterator<X> to create a dictionary
|
|
iterator that operates on TQAsciiDict<X> (dictionary of X*).
|
|
<p> Example:
|
|
<pre>
|
|
<a href="tqasciidict.html">TQAsciiDict</a><TQLineEdit> fields;
|
|
fields.<a href="tqasciidict.html#insert">insert</a>( "forename", new <a href="tqlineedit.html">TQLineEdit</a>( this ) );
|
|
fields.<a href="tqasciidict.html#insert">insert</a>( "surname", new <a href="tqlineedit.html">TQLineEdit</a>( this ) );
|
|
fields.<a href="tqasciidict.html#insert">insert</a>( "age", new <a href="tqlineedit.html">TQLineEdit</a>( this ) );
|
|
|
|
fields["forename"]->setText( "Homer" );
|
|
fields["surname"]->setText( "Simpson" );
|
|
fields["age"]->setText( "45" );
|
|
|
|
TQAsciiDictIterator<TQLineEdit> it( fields );
|
|
for( ; it.<a href="#current">current</a>(); ++it )
|
|
cout << it.<a href="#currentKey">currentKey</a>() << ": " << it.<a href="#current">current</a>()->text() << endl;
|
|
cout << endl;
|
|
|
|
// Output (random order):
|
|
// age: 45
|
|
// surname: Simpson
|
|
// forename: Homer
|
|
</pre>
|
|
|
|
In the example we insert some line edits into a dictionary, then
|
|
iterate over the dictionary printing the strings associated with
|
|
those line edits.
|
|
<p> Note that the traversal order is arbitrary; you are not guaranteed
|
|
any particular order.
|
|
<p> Multiple iterators may independently traverse the same dictionary.
|
|
A <a href="tqasciidict.html">TQAsciiDict</a> knows about all the iterators that are operating on
|
|
the dictionary. When an item is removed from the dictionary,
|
|
TQAsciiDict updates all the iterators that are referring to the
|
|
removed item to point to the next item in the (arbitrary)
|
|
traversal order.
|
|
<p> <p>See also <a href="tqasciidict.html">TQAsciiDict</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="TQAsciiDictIterator"></a>TQAsciiDictIterator::TQAsciiDictIterator ( const <a href="tqasciidict.html">TQAsciiDict</a><type> & dict )
|
|
</h3>
|
|
|
|
<p> Constructs an iterator for <em>dict</em>. The current iterator item is
|
|
set to point on the first item in the <em>dict</em>.
|
|
|
|
<h3 class=fn><a name="~TQAsciiDictIterator"></a>TQAsciiDictIterator::~TQAsciiDictIterator ()
|
|
</h3>
|
|
|
|
<p> Destroys the iterator.
|
|
|
|
<h3 class=fn>uint <a name="count"></a>TQAsciiDictIterator::count () const
|
|
</h3>
|
|
|
|
<p> Returns the number of items in the dictionary this iterator
|
|
operates over.
|
|
<p> <p>See also <a href="#isEmpty">isEmpty</a>().
|
|
|
|
<h3 class=fn>type * <a name="current"></a>TQAsciiDictIterator::current () const
|
|
</h3>
|
|
|
|
<p> Returns a pointer to the current iterator item.
|
|
|
|
<h3 class=fn>const char * <a name="currentKey"></a>TQAsciiDictIterator::currentKey () const
|
|
</h3>
|
|
|
|
<p> Returns a pointer to the key for the current iterator item.
|
|
|
|
<h3 class=fn>bool <a name="isEmpty"></a>TQAsciiDictIterator::isEmpty () const
|
|
</h3>
|
|
|
|
<p> Returns TRUE if the dictionary is empty, i.e. <a href="#count">count</a>() == 0,
|
|
otherwise returns FALSE.
|
|
<p> <p>See also <a href="#count">count</a>().
|
|
|
|
<h3 class=fn><a name="operator-type-*"></a>TQAsciiDictIterator::operator type * () const
|
|
</h3>
|
|
|
|
<p> Cast operator. Returns a pointer to the current iterator item.
|
|
Same as <a href="#current">current</a>().
|
|
|
|
<h3 class=fn>type * <a name="operator()"></a>TQAsciiDictIterator::operator() ()
|
|
</h3>
|
|
|
|
<p> Makes the succeeding item current and returns the original current
|
|
item.
|
|
<p> If the current iterator item was the last item in the dictionary
|
|
or if it was 0, 0 is returned.
|
|
|
|
<h3 class=fn>type * <a name="operator++"></a>TQAsciiDictIterator::operator++ ()
|
|
</h3>
|
|
|
|
<p> Prefix ++ makes the succeeding item current and returns the new
|
|
current item.
|
|
<p> If the current iterator item was the last item in the dictionary
|
|
or if it was 0, 0 is returned.
|
|
|
|
<h3 class=fn>type * <a name="operator+-eq"></a>TQAsciiDictIterator::operator+= ( uint jump )
|
|
</h3>
|
|
|
|
<p> Sets the current item to the item <em>jump</em> positions after the
|
|
current item, and returns a pointer to that item.
|
|
<p> If that item is beyond the last item or if the dictionary is
|
|
empty, it sets the current item to 0 and returns 0.
|
|
|
|
<h3 class=fn>type * <a name="toFirst"></a>TQAsciiDictIterator::toFirst ()
|
|
</h3>
|
|
|
|
<p> Sets the current iterator item to point to the first item in the
|
|
dictionary and returns a pointer to the item. If the dictionary is
|
|
empty it sets the current item to 0 and returns 0.
|
|
|
|
<!-- eof -->
|
|
<hr><p>
|
|
This file is part of the <a href="index.html">TQt toolkit</a>.
|
|
Copyright © 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 © 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>
|