<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qmltypereference.qdoc --> <title>rect QML Basic Type | Qt QML 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtqml-index.html">Qt QML</a></td><td ><a href="qtqml-qmlmodule.html">QML Types</a></td><td >rect QML Basic Type</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">rect QML Basic Type</h1> <span class="subtitle"></span> <!-- $$$rect-description --> <div class="descr"> <a name="details"></a> <p>a value with x, y, width and height attributes.</p> <p>The <code>rect</code> type refers to a value with <code>x</code>, <code>y</code>, <code>width</code> and <code>height</code> attributes.</p> <p>For example, to read the <code>width</code> and <code>height</code> values of the Item childrenRect rect-type property:</p> <pre class="qml"> <span class="type">Rectangle</span> { <span class="name">width</span>: <span class="name">childrenRect</span>.<span class="name">width</span> <span class="name">height</span>: <span class="name">childrenRect</span>.<span class="name">height</span> <span class="type">Rectangle</span> { <span class="name">width</span>: <span class="number">100</span>; <span class="name">height</span>: <span class="number">100</span> } } </pre> <p>To create a <code>rect</code> value, specify it as a "x, y, width x height" string:</p> <pre class="qml"> <span class="type">CustomObject</span> { <span class="name">myRectProperty</span>: <span class="string">"50,50,100x100"</span> } </pre> <p>Or use the <a href="qml-qtqml-qt.html#rect-method">Qt.rect()</a> function:</p> <pre class="qml"> <span class="type">CustomObject</span> { <span class="name">myRectProperty</span>: <span class="name">Qt</span>.<span class="name">rect</span>(<span class="number">50</span>, <span class="number">50</span>, <span class="number">100</span>, <span class="number">100</span>) } </pre> <p>The <code>rect</code> type also exposes read-only <code>left</code>, <code>right</code>, <code>top</code> and <code>bottom</code> attributes. These are the same as their C++ counterparts.</p> <p>When integrating with C++, note that any QRect or QRectF value <a href="qtqml-cppintegration-data.html">passed into QML from C++</a> is automatically converted into a <code>rect</code> value, and vice-versa. When a <code>rect</code> value is passed to C++, it is automatically converted into a QRectF value.</p> </div> <p><b>See also </b><a href="qtqml-typesystem-basictypes.html">QML Basic Types</a>.</p> <!-- @@@rect --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>