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<td >Qt 5.9</td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-qmlmodule.html">QML Types</a></td><td >GridLayout QML Type</td></tr></table><table class="buildversion"><tr>
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<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>
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<h1 class="title">GridLayout QML Type</h1>
<span class="subtitle"></span>
<!-- $$$GridLayout-brief -->
<p>Provides a way of dynamically arranging items in a grid. <a href="#details">More...</a></p>
<!-- @@@GridLayout -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtQuick.Layouts 1.3</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <p><a href="qml-qtquick-item.html">Item</a></p>
</td></tr></table></div><ul>
<li><a href="qml-qtquick-layouts-gridlayout-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="properties"></a>
<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#columnSpacing-prop">columnSpacing</a></b></b> : real</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#columns-prop">columns</a></b></b> : int</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#flow-prop">flow</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#layoutDirection-prop">layoutDirection</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#rowSpacing-prop">rowSpacing</a></b></b> : real</li>
<li class="fn"><b><b><a href="qml-qtquick-layouts-gridlayout.html#rows-prop">rows</a></b></b> : int</li>
</ul>
<!-- $$$GridLayout-description -->
<a name="details"></a>
<h2 id="details">Detailed Description</h2>
<p>If the <a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a> is resized, all items in the layout will be rearranged. It is similar to the widget-based <a href="../qtwidgets/qgridlayout.html">QGridLayout</a>. All visible children of the <a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a> element will belong to the layout. If you want a layout with just one row or one column, you can use the <a href="qml-qtquick-layouts-rowlayout.html">RowLayout</a> or <a href="qml-qtquick-layouts-columnlayout.html">ColumnLayout</a>. These offer a bit more convenient API, and improve readability.</p>
<p>By default items will be arranged according to the <a href="qtquick-positioning-layouts.html#flow">flow</a> property. The default value of the <a href="qtquick-positioning-layouts.html#flow">flow</a> property is <code>GridLayout.LeftToRight</code>.</p>
<p>If the <a href="qml-qtquick-layouts-gridlayout.html#columns-prop">columns</a> property is specified, it will be treated as a maximum limit of how many columns the layout can have, before the auto-positioning wraps back to the beginning of the next row. The <a href="qml-qtquick-layouts-gridlayout.html#columns-prop">columns</a> property is only used when <a href="qtquick-positioning-layouts.html#flow">flow</a> is <code>GridLayout.LeftToRight</code>.</p>
<p class="centerAlign"><img src="images/gridlayout.png" alt="" /></p><pre class="cpp">
GridLayout {
id: grid
columns: <span class="number">3</span>
Text { text: <span class="string">"Three"</span>; font<span class="operator">.</span>bold: <span class="keyword">true</span>; }
Text { text: <span class="string">"words"</span>; color: <span class="string">"red"</span> }
Text { text: <span class="string">"in"</span>; font<span class="operator">.</span>underline: <span class="keyword">true</span> }
Text { text: <span class="string">"a"</span>; font<span class="operator">.</span>pixelSize: <span class="number">20</span> }
Text { text: <span class="string">"row"</span>; font<span class="operator">.</span>strikeout: <span class="keyword">true</span> }
}
</pre>
<p>The <a href="qml-qtquick-layouts-gridlayout.html#rows-prop">rows</a> property works in a similar way, but items are auto-positioned vertically. The <a href="qml-qtquick-layouts-gridlayout.html#rows-prop">rows</a> property is only used when <a href="qtquick-positioning-layouts.html#flow">flow</a> is <code>GridLayout.TopToBottom</code>.</p>
<p>You can specify which cell you want an item to occupy by setting the <a href="qml-qtquick-layouts-layout.html#row-attached-prop">Layout.row</a> and <a href="qml-qtquick-layouts-layout.html#column-attached-prop">Layout.column</a> properties. You can also specify the row span or column span by setting the <a href="qml-qtquick-layouts-layout.html#rowSpan-attached-prop">Layout.rowSpan</a> or <a href="qml-qtquick-layouts-layout.html#columnSpan-attached-prop">Layout.columnSpan</a> properties.</p>
<p>Items in a <a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a> support these attached properties:</p>
<ul>
<li><a href="qml-qtquick-layouts-layout.html#row-attached-prop">Layout.row</a></li>
<li><a href="qml-qtquick-layouts-layout.html#column-attached-prop">Layout.column</a></li>
<li><a href="qml-qtquick-layouts-layout.html#rowSpan-attached-prop">Layout.rowSpan</a></li>
<li><a href="qml-qtquick-layouts-layout.html#columnSpan-attached-prop">Layout.columnSpan</a></li>
<li><a href="qml-qtquick-layouts-layout.html#minimumWidth-attached-prop">Layout.minimumWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#minimumHeight-attached-prop">Layout.minimumHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#preferredWidth-attached-prop">Layout.preferredWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#preferredHeight-attached-prop">Layout.preferredHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#maximumWidth-attached-prop">Layout.maximumWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#maximumHeight-attached-prop">Layout.maximumHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#fillWidth-attached-prop">Layout.fillWidth</a></li>
<li><a href="qml-qtquick-layouts-layout.html#fillHeight-attached-prop">Layout.fillHeight</a></li>
<li><a href="qml-qtquick-layouts-layout.html#alignment-attached-prop">Layout.alignment</a></li>
<li><a href="qml-qtquick-layouts-layout.html#margins-attached-prop">Layout.margins</a></li>
<li><a href="qml-qtquick-layouts-layout.html#topMargin-attached-prop">Layout.leftMargin</a></li>
<li><a href="qml-qtquick-layouts-layout.html#rightMargin-attached-prop">Layout.rightMargin</a></li>
<li><a href="qml-qtquick-layouts-layout.html#topMargin-attached-prop">Layout.topMargin</a></li>
<li><a href="qml-qtquick-layouts-layout.html#bottomMargin-attached-prop">Layout.bottomMargin</a></li>
</ul>
<p>Read more about attached properties here.</p>
<p><b>See also </b><a href="qml-qtquick-layouts-rowlayout.html">RowLayout</a>, <a href="qml-qtquick-layouts-columnlayout.html">ColumnLayout</a>, and <a href="qtquick-positioning-layouts.html#grid">Grid</a>.</p>
<!-- @@@GridLayout -->
<h2>Property Documentation</h2>
<!-- $$$columnSpacing -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="columnSpacing-prop">
<td class="tblQmlPropNode"><p>
<a name="columnSpacing-prop"></a><span class="name">columnSpacing</span> : <span class="type">real</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the spacing between each column. The default value is <code>5</code>.</p>
</div></div><!-- @@@columnSpacing -->
<br/>
<!-- $$$columns -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="columns-prop">
<td class="tblQmlPropNode"><p>
<a name="columns-prop"></a><span class="name">columns</span> : <span class="type">int</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the column limit for items positioned if <a href="qtquick-positioning-layouts.html#flow">flow</a> is <code>GridLayout.LeftToRight</code>. The default value is that there is no limit.</p>
</div></div><!-- @@@columns -->
<br/>
<!-- $$$flow -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="flow-prop">
<td class="tblQmlPropNode"><p>
<a name="flow-prop"></a><span class="name">flow</span> : <span class="type">enumeration</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the flow direction of items that does not have an explicit cell position set. It is used together with the <a href="qml-qtquick-layouts-gridlayout.html#columns-prop">columns</a> or <a href="qml-qtquick-layouts-gridlayout.html#rows-prop">rows</a> property, where they specify when flow is reset to the next row or column respectively.</p>
<p>Possible values are:</p>
<ul>
<li><a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a>.LeftToRight (default) - Items are positioned next to each other, then wrapped to the next line.</li>
<li><a href="qml-qtquick-layouts-gridlayout.html">GridLayout</a>.TopToBottom - Items are positioned next to each other from top to bottom, then wrapped to the next column.</li>
</ul>
<p><b>See also </b><a href="qml-qtquick-layouts-gridlayout.html#rows-prop">rows</a> and <a href="qml-qtquick-layouts-gridlayout.html#columns-prop">columns</a>.</p>
</div></div><!-- @@@flow -->
<br/>
<!-- $$$layoutDirection -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="layoutDirection-prop">
<td class="tblQmlPropNode"><p>
<a name="layoutDirection-prop"></a><span class="name">layoutDirection</span> : <span class="type">enumeration</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the layout direction of the grid layout - it controls whether items are laid out from left to right or right to left. If <code>Qt.RightToLeft</code> 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-rowlayout.html#layoutDirection-prop">RowLayout::layoutDirection</a> and <a href="qml-qtquick-layouts-columnlayout.html#layoutDirection-prop">ColumnLayout::layoutDirection</a>.</p>
</div></div><!-- @@@layoutDirection -->
<br/>
<!-- $$$rowSpacing -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="rowSpacing-prop">
<td class="tblQmlPropNode"><p>
<a name="rowSpacing-prop"></a><span class="name">rowSpacing</span> : <span class="type">real</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the spacing between each row. The default value is <code>5</code>.</p>
</div></div><!-- @@@rowSpacing -->
<br/>
<!-- $$$rows -->
<div class="qmlitem"><div class="qmlproto">
<div class="table"><table class="qmlname">
<tr valign="top" class="odd" id="rows-prop">
<td class="tblQmlPropNode"><p>
<a name="rows-prop"></a><span class="name">rows</span> : <span class="type">int</span></p></td></tr>
</table></div>
</div><div class="qmldoc"><p>This property holds the row limit for items positioned if <a href="qtquick-positioning-layouts.html#flow">flow</a> is <code>GridLayout.TopToBottom</code>. The default value is that there is no limit.</p>
</div></div><!-- @@@rows -->
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