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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd">
<html><head><title>QVBoxLayout Class Reference</title><style>h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm }
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</style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr /><td align="left" valign="top" width="32"><img align="left" border="0" height="32" src="images/rb-logo.png" width="32" /></td><td width="1">&#160;&#160;</td><td class="postheader" valign="center"><a href="../pyqt4ref.html"><font color="#004faf">Home</font></a>&#160;&#183; <a href="classes.html"><font color="#004faf">All Classes</font></a>&#160;&#183; <a href="modules.html"><font color="#004faf">Modules</font></a></td></table><h1 align="center">QVBoxLayout Class Reference<br /><sup><sup>[<a href="qtgui.html">QtGui</a> module]</sup></sup></h1><p>The QVBoxLayout class lines up widgets vertically. <a href="#details">More...</a></p>
<p>Inherits <a href="qboxlayout.html">QBoxLayout</a>.</p><h3>Methods</h3><ul><li><div class="fn" /><b><a href="qvboxlayout.html#QVBoxLayout">__init__</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qvboxlayout.html#QVBoxLayout-2">__init__</a></b> (<i>self</i>, QWidget&#160;<i>parent</i>)</li></ul><a name="details" /><hr /><h2>Detailed Description</h2><p>The QVBoxLayout class lines up widgets vertically.</p>
<p>This class is used to construct vertical box layout objects. See <a href="qboxlayout.html">QBoxLayout</a> for details.</p>
<p>The simplest use of the class is like this:</p>
<pre>
        QWidget *window = new QWidget;
        QPushButton *button1 = new QPushButton("One");
        QPushButton *button2 = new QPushButton("Two");
        QPushButton *button3 = new QPushButton("Three");
        QPushButton *button4 = new QPushButton("Four");
        QPushButton *button5 = new QPushButton("Five");

        QVBoxLayout *layout = new QVBoxLayout;
        layout-&gt;addWidget(button1);
        layout-&gt;addWidget(button2);
        layout-&gt;addWidget(button3);
        layout-&gt;addWidget(button4);
        layout-&gt;addWidget(button5);

        window-&gt;setLayout(layout);
        window-&gt;show();
</pre>
<p>First, we create the widgets we want in the layout. Then, we create the QVBoxLayout object and add the widgets into the layout. Finally, we call <a href="qwidget.html#setLayout">QWidget.setLayout</a>() to install the QVBoxLayout object onto the widget. At that point, the widgets in the layout are reparented to have <tt>window</tt> as their parent.</p>
<p align="center"><img alt="Horizontal box layout with five child widgets" src="images/qvboxlayout-with-5-children.png" /></p>
<p>See also <a href="qhboxlayout.html">QHBoxLayout</a>, <a href="qgridlayout.html">QGridLayout</a>, <a href="qstackedlayout.html">QStackedLayout</a>, and <a href="layout.html">Layout Classes</a>.</p>
<hr /><h2>Method Documentation</h2><h3 class="fn"><a name="QVBoxLayout" />QVBoxLayout.__init__ (<i>self</i>)</h3><p>Constructs a new vertical box. You must add it to another layout.</p>
<h3 class="fn"><a name="QVBoxLayout-2" />QVBoxLayout.__init__ (<i>self</i>, <a href="qwidget.html">QWidget</a>&#160;<i>parent</i>)</h3><p>The <i>parent</i> argument, if not None, causes <i>self</i> to be owned by Qt instead of PyQt.</p><p>Constructs a new top-level vertical box with parent <i>parent</i>.</p>
<address><hr /><div align="center"><table border="0" cellspacing="0" width="100%"><tr class="address"><td width="25%">PyQt&#160;4.0.1 for X11</td><td align="center" width="50%">Copyright &#169; <a href="http://www.riverbankcomputing.com">Riverbank&#160;Computing&#160;Ltd</a> and <a href="http://www.trolltech.com">Trolltech&#160;AS</a> 2006</td><td align="right" width="25%">Qt&#160;4.1.4</td></tr></table></div></address></body></html>