1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qabstractlayout.cpp:1521 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>TQGLayoutIterator 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>TQGLayoutIterator Class Reference</h1>
<p>The TQGLayoutIterator class is an abstract base class of internal layout iterators.
<a href="#details">More...</a>
<p><tt>#include <<a href="tqlayout-h.html">tqlayout.h</a>></tt>
<p><a href="tqglayoutiterator-members.html">List of all member functions.</a>
<h2>Public Members</h2>
<ul>
<li class=fn>virtual <a href="#~TQGLayoutIterator"><b>~TQGLayoutIterator</b></a> ()</li>
<li class=fn>virtual TQLayoutItem * <a href="#next"><b>next</b></a> () = 0</li>
<li class=fn>virtual TQLayoutItem * <a href="#current"><b>current</b></a> () = 0</li>
<li class=fn>virtual TQLayoutItem * <a href="#takeCurrent"><b>takeCurrent</b></a> () = 0</li>
</ul>
<hr><a name="details"></a><h2>Detailed Description</h2>
The TQGLayoutIterator class is an abstract base class of internal layout iterators.
<p>
<p> (This class is <em>not</em> OpenGL related, it just happens to start with
the letters <a href="tqgl.html">TQGL</a>...)
<p> Subclass this class to create a custom layout. The functions that
must be implemented are <a href="#next">next</a>(), <a href="#current">current</a>(), and <a href="#takeCurrent">takeCurrent</a>().
<p> The TQGLayoutIterator implements the functionality of
<a href="tqlayoutiterator.html">TQLayoutIterator</a>. Each subclass of <a href="tqlayout.html">TQLayout</a> needs a
TQGLayoutIterator subclass.
<p>See also <a href="appearance.html">Widget Appearance and Style</a> and <a href="geomanagement.html">Layout Management</a>.
<hr><h2>Member Function Documentation</h2>
<h3 class=fn><a name="~TQGLayoutIterator"></a>TQGLayoutIterator::~TQGLayoutIterator ()<tt> [virtual]</tt>
</h3>
Destroys the iterator
<h3 class=fn><a href="tqlayoutitem.html">TQLayoutItem</a> * <a name="current"></a>TQGLayoutIterator::current ()<tt> [pure virtual]</tt>
</h3>
<p> Implemented in subclasses to return the current item, or 0 if
there is no current item.
<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>.
<h3 class=fn><a href="tqlayoutitem.html">TQLayoutItem</a> * <a name="next"></a>TQGLayoutIterator::next ()<tt> [pure virtual]</tt>
</h3>
<p> Implemented in subclasses to move the iterator to the next item
and return that item, or 0 if there is no next item.
<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>.
<h3 class=fn><a href="tqlayoutitem.html">TQLayoutItem</a> * <a name="takeCurrent"></a>TQGLayoutIterator::takeCurrent ()<tt> [pure virtual]</tt>
</h3>
<p> Implemented in subclasses. The function must remove the current
item from the layout without deleting it, move the iterator to the
next item and return the removed item, or 0 if no item was
removed.
<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>.
<!-- 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>
|
