| [190] | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|---|
| 2 | <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qabstractlayout.cpp:1521 -->
|
|---|
| 3 | <html>
|
|---|
| 4 | <head>
|
|---|
| 5 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|---|
| 6 | <title>QGLayoutIterator Class</title>
|
|---|
| 7 | <style type="text/css"><!--
|
|---|
| 8 | fn { margin-left: 1cm; text-indent: -1cm; }
|
|---|
| 9 | a:link { color: #004faf; text-decoration: none }
|
|---|
| 10 | a:visited { color: #672967; text-decoration: none }
|
|---|
| 11 | body { background: #ffffff; color: black; }
|
|---|
| 12 | --></style>
|
|---|
| 13 | </head>
|
|---|
| 14 | <body>
|
|---|
| 15 |
|
|---|
| 16 | <table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|---|
| 17 | <tr bgcolor="#E5E5E5">
|
|---|
| 18 | <td valign=center>
|
|---|
| 19 | <a href="index.html">
|
|---|
| 20 | <font color="#004faf">Home</font></a>
|
|---|
| 21 | | <a href="classes.html">
|
|---|
| 22 | <font color="#004faf">All Classes</font></a>
|
|---|
| 23 | | <a href="mainclasses.html">
|
|---|
| 24 | <font color="#004faf">Main Classes</font></a>
|
|---|
| 25 | | <a href="annotated.html">
|
|---|
| 26 | <font color="#004faf">Annotated</font></a>
|
|---|
| 27 | | <a href="groups.html">
|
|---|
| 28 | <font color="#004faf">Grouped Classes</font></a>
|
|---|
| 29 | | <a href="functions.html">
|
|---|
| 30 | <font color="#004faf">Functions</font></a>
|
|---|
| 31 | </td>
|
|---|
| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QGLayoutIterator Class Reference</h1>
|
|---|
| 33 |
|
|---|
| 34 | <p>The QGLayoutIterator class is an abstract base class of internal layout iterators.
|
|---|
| 35 | <a href="#details">More...</a>
|
|---|
| 36 | <p><tt>#include <<a href="qlayout-h.html">qlayout.h</a>></tt>
|
|---|
| 37 | <p><a href="qglayoutiterator-members.html">List of all member functions.</a>
|
|---|
| 38 | <h2>Public Members</h2>
|
|---|
| 39 | <ul>
|
|---|
| 40 | <li class=fn>virtual <a href="#~QGLayoutIterator"><b>~QGLayoutIterator</b></a> ()</li>
|
|---|
| 41 | <li class=fn>virtual QLayoutItem * <a href="#next"><b>next</b></a> () = 0</li>
|
|---|
| 42 | <li class=fn>virtual QLayoutItem * <a href="#current"><b>current</b></a> () = 0</li>
|
|---|
| 43 | <li class=fn>virtual QLayoutItem * <a href="#takeCurrent"><b>takeCurrent</b></a> () = 0</li>
|
|---|
| 44 | </ul>
|
|---|
| 45 | <hr><a name="details"></a><h2>Detailed Description</h2>
|
|---|
| 46 |
|
|---|
| 47 |
|
|---|
| 48 | The QGLayoutIterator class is an abstract base class of internal layout iterators.
|
|---|
| 49 | <p>
|
|---|
| 50 |
|
|---|
| 51 | <p> (This class is <em>not</em> OpenGL related, it just happens to start with
|
|---|
| 52 | the letters <a href="qgl.html">QGL</a>...)
|
|---|
| 53 | <p> Subclass this class to create a custom layout. The functions that
|
|---|
| 54 | must be implemented are <a href="#next">next</a>(), <a href="#current">current</a>(), and <a href="#takeCurrent">takeCurrent</a>().
|
|---|
| 55 | <p> The QGLayoutIterator implements the functionality of
|
|---|
| 56 | <a href="qlayoutiterator.html">QLayoutIterator</a>. Each subclass of <a href="qlayout.html">QLayout</a> needs a
|
|---|
| 57 | QGLayoutIterator subclass.
|
|---|
| 58 | <p>See also <a href="appearance.html">Widget Appearance and Style</a> and <a href="geomanagement.html">Layout Management</a>.
|
|---|
| 59 |
|
|---|
| 60 | <hr><h2>Member Function Documentation</h2>
|
|---|
| 61 | <h3 class=fn><a name="~QGLayoutIterator"></a>QGLayoutIterator::~QGLayoutIterator ()<tt> [virtual]</tt>
|
|---|
| 62 | </h3>
|
|---|
| 63 | Destroys the iterator
|
|---|
| 64 |
|
|---|
| 65 | <h3 class=fn><a href="qlayoutitem.html">QLayoutItem</a> * <a name="current"></a>QGLayoutIterator::current ()<tt> [pure virtual]</tt>
|
|---|
| 66 | </h3>
|
|---|
| 67 |
|
|---|
| 68 | <p> Implemented in subclasses to return the current item, or 0 if
|
|---|
| 69 | there is no current item.
|
|---|
| 70 |
|
|---|
| 71 | <p>Examples: <a href="customlayout-example.html#x1486">customlayout/border.cpp</a>, <a href="customlayout-example.html#x1508">customlayout/card.cpp</a>, and <a href="customlayout-example.html#x1464">customlayout/flow.cpp</a>.
|
|---|
| 72 | <h3 class=fn><a href="qlayoutitem.html">QLayoutItem</a> * <a name="next"></a>QGLayoutIterator::next ()<tt> [pure virtual]</tt>
|
|---|
| 73 | </h3>
|
|---|
| 74 |
|
|---|
| 75 | <p> Implemented in subclasses to move the iterator to the next item
|
|---|
| 76 | and return that item, or 0 if there is no next item.
|
|---|
| 77 |
|
|---|
| 78 | <p>Examples: <a href="customlayout-example.html#x1487">customlayout/border.cpp</a>, <a href="customlayout-example.html#x1509">customlayout/card.cpp</a>, and <a href="customlayout-example.html#x1465">customlayout/flow.cpp</a>.
|
|---|
| 79 | <h3 class=fn><a href="qlayoutitem.html">QLayoutItem</a> * <a name="takeCurrent"></a>QGLayoutIterator::takeCurrent ()<tt> [pure virtual]</tt>
|
|---|
| 80 | </h3>
|
|---|
| 81 |
|
|---|
| 82 | <p> Implemented in subclasses. The function must remove the current
|
|---|
| 83 | item from the layout without deleting it, move the iterator to the
|
|---|
| 84 | next item and return the removed item, or 0 if no item was
|
|---|
| 85 | removed.
|
|---|
| 86 |
|
|---|
| 87 | <p>Examples: <a href="customlayout-example.html#x1488">customlayout/border.cpp</a>, <a href="customlayout-example.html#x1510">customlayout/card.cpp</a>, and <a href="customlayout-example.html#x1466">customlayout/flow.cpp</a>.
|
|---|
| 88 | <!-- eof -->
|
|---|
| 89 | <hr><p>
|
|---|
| 90 | This file is part of the <a href="index.html">Qt toolkit</a>.
|
|---|
| 91 | Copyright © 1995-2007
|
|---|
| 92 | <a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
|
|---|
| 93 | <table width=100% cellspacing=0 border=0><tr>
|
|---|
| 94 | <td>Copyright © 2007
|
|---|
| 95 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|---|
| 96 | <td align=right><div align=right>Qt 3.3.8</div>
|
|---|
| 97 | </table></div></address></body>
|
|---|
| 98 | </html>
|
|---|
