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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qquicklinearlayout.cpp -->
  <title>ColumnLayout QML Type | QtQuickLayouts 5.3</title>
  <link rel="stylesheet" type="text/css" href="style/offline.css" />
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<div class="header" id="qtdocheader">
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        <ul>
<li>Qt 5.3</li>
<li><a href="qtquicklayouts-index.html">Qt Quick Layouts</a></li>
<li>ColumnLayout QML Type</li>
<li id="buildversion">
Qt 5.3.2 Reference Documentation</li>
    </ul>
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</div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="toc">
<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
</ul>
</div>
<h1 class="title">ColumnLayout QML Type</h1>
<span class="subtitle"></span>
<!-- $$$ColumnLayout-brief -->
<p>Identical to <a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a>, but having only one column. <a href="#details">More...</a></p>
<!-- @@@ColumnLayout -->
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> </b><tt>import QtQuick.Layouts 1.1</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <p><a href="../qtquick/qml-qtquick-item.html">Item</a></p>
</td></tr></table><ul>
<li><a href="qml-qtquick-layouts-columnlayout-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="properties"></a>
<h2>Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtquick-layouts-columnlayout.html#layoutDirection-prop">layoutDirection</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-columnlayout.html#spacing-prop">spacing</a></b></b> : real</li>
</ul>
<!-- $$$ColumnLayout-description -->
<a name="details"></a>
<h2>Detailed Description</h2>
<p>It is available as a convenience for developers, as it offers a cleaner API.</p>
<p>Items in a ColumnLayout support these attached properties:</p>
<ul>
<li><a href="qml-qtquick-layouts-layout.html#minimumWidth-prop">Layout.minimumWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#minimumHeight-prop">Layout.minimumHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#preferredWidth-prop">Layout.preferredWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#preferredHeight-prop">Layout.preferredHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#maximumWidth-prop">Layout.maximumWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#maximumHeight-prop">Layout.maximumHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#fillWidth-prop">Layout.fillWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#fillHeight-prop">Layout.fillHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#alignment-prop">Layout.alignment</a></li>
</ul>
<p class="centerAlign"><img src="images/columnlayout.png" alt="" /></p><pre class="cpp">ColumnLayout{
    spacing: <span class="number">2</span>

    Rectangle {
        Layout<span class="operator">.</span>alignment: <span class="type"><a href="../qtqml/qml-qtqml-qt.html">Qt</a></span><span class="operator">.</span>AlignCenter
        color: <span class="string">&quot;red&quot;</span>
        Layout<span class="operator">.</span>preferredWidth: <span class="number">40</span>
        Layout<span class="operator">.</span>preferredHeight: <span class="number">40</span>
    }

    Rectangle {
        Layout<span class="operator">.</span>alignment: <span class="type"><a href="../qtqml/qml-qtqml-qt.html">Qt</a></span><span class="operator">.</span>AlignRight
        color: <span class="string">&quot;green&quot;</span>
        Layout<span class="operator">.</span>preferredWidth: <span class="number">40</span>
        Layout<span class="operator">.</span>preferredHeight: <span class="number">70</span>
    }

    Rectangle {
        Layout<span class="operator">.</span>alignment: <span class="type"><a href="../qtqml/qml-qtqml-qt.html">Qt</a></span><span class="operator">.</span>AlignBottom
        Layout<span class="operator">.</span>fillHeight: <span class="keyword">true</span>
        color: <span class="string">&quot;blue&quot;</span>
        Layout<span class="operator">.</span>preferredWidth: <span class="number">70</span>
        Layout<span class="operator">.</span>preferredHeight: <span class="number">40</span>
    }
}</pre>
<p>Read more about attached properties <a href="../qtqml/qtqml-syntax-objectattributes.html">here</a>.</p>
<p><b>See also </b><a href="qml-qtquick-layouts-rowlayout.html">RowLayout</a>, <a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a>, and <a href="../qtquick/qml-qtquick-column.html">Column</a>.</p>
<!-- @@@ColumnLayout -->
<h2>Property Documentation</h2>
<!-- $$$layoutDirection -->
<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="layoutDirection-prop"></a><span class="name">layoutDirection</span> : <span class="type"><a href="../qtqml/qml-enumeration.html">enumeration</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the layout direction of the column layout - it controls whether items are laid out from left ro right or right to left. If <tt>Qt.RightToLeft</tt> is specified, left-aligned items will be right-aligned and right-aligned items will be left-aligned.</p>
<p>Possible values:</p>
<ul>
<li>Qt.LeftToRight (default) - Items are laid out from left to right.</li>
<li>Qt.RightToLeft - Items are laid out from right to left</li>
</ul>
<p>This QML property was introduced in  QtQuick.Layouts 1.1.</p>
<p><b>See also </b><a href="qml-qtquick-layouts-gridlayout.html#layoutDirection-prop">GridLayout::layoutDirection</a> and <a href="qml-qtquick-layouts-rowlayout.html#layoutDirection-prop">RowLayout::layoutDirection</a>.</p>
</div></div><!-- @@@layoutDirection -->
<br/>
<!-- $$$spacing -->
<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="spacing-prop"></a><span class="name">spacing</span> : <span class="type"><a href="../qtqml/qml-real.html">real</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the spacing between each cell. The default value is <tt>5</tt>.</p>
</div></div><!-- @@@spacing -->
<br/>
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