<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>positioners-attachedproperties.qml Example File | Qt Quick 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="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-positioning-topic.html#positioners">Qt Quick Examples - Positioners</a></td><td >positioners-attachedproperties.qml Example File</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="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">positioners-attachedproperties.qml Example File</h1> <span class="subtitle">positioners/positioners-attachedproperties.qml</span> <!-- $$$positioners/positioners-attachedproperties.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> import QtQuick 2.0 import QtQuick.Controls 1.1 <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">page</span> property <span class="type">real</span> <span class="name">ratio</span>: <span class="name">width</span> <span class="operator">/</span> <span class="number">320</span> <span class="operator"><</span> <span class="name">height</span> <span class="operator">/</span> <span class="number">440</span> ? <span class="name">width</span> <span class="operator">/</span> <span class="number">320</span> : <span class="name">height</span> <span class="operator">/</span> <span class="number">440</span> property <span class="type">int</span> <span class="name">elementSpacing</span>: <span class="number">6.3</span> <span class="operator">*</span> <span class="name">ratio</span> <span class="name">width</span>: <span class="number">320</span> <span class="name">height</span>: <span class="number">440</span> <span class="type">Button</span> { <span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.margins: <span class="number">10</span> <span class="name">text</span>: <span class="name">hidingRect</span>.<span class="name">visible</span> ? <span class="string">"Hide"</span> : <span class="string">"Show"</span> <span class="name">onClicked</span>: <span class="name">hidingRect</span>.<span class="name">visible</span> <span class="operator">=</span> !<span class="name">hidingRect</span>.<span class="name">visible</span> } <span class="comment">// Create column with four rectangles, the fourth one is hidden</span> <span class="type"><a href="qml-qtquick-column.html">Column</a></span> { <span class="name">id</span>: <span class="name">column</span> <span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.leftMargin: <span class="name">page</span>.<span class="name">width</span> <span class="operator">/</span> <span class="number">32</span> <span class="name">anchors</span>.topMargin: <span class="name">page</span>.<span class="name">height</span> <span class="operator">/</span> <span class="number">48</span> <span class="name">spacing</span>: <span class="name">page</span>.<span class="name">elementSpacing</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">green</span> <span class="name">color</span>: <span class="string">"#80c342"</span> <span class="name">width</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="name">height</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="type"><a href="qml-qtquick-text.html">Text</a></span> { <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.leftMargin: <span class="number">20</span> <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">text</span>: <span class="string">"Index: "</span> <span class="operator">+</span> <span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">index</span> <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isFirstItem</span> ? <span class="string">" (First)"</span> : <span class="string">""</span>) <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isLastItem</span> ? <span class="string">" (Last)"</span> : <span class="string">""</span>) } <span class="comment">// When mouse is clicked, display the values of the positioner</span> <span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill: <span class="name">parent</span> <span class="name">onClicked</span>: <span class="name">column</span>.<span class="name">showInfo</span>(<span class="name">green</span>.<span class="name">Positioner</span>) } } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">blue</span> <span class="name">color</span>: <span class="string">"#14aaff"</span> <span class="name">width</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="name">height</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="type"><a href="qml-qtquick-text.html">Text</a></span> { <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.leftMargin: <span class="number">20</span> <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">text</span>: <span class="string">"Index: "</span> <span class="operator">+</span> <span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">index</span> <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isFirstItem</span> ? <span class="string">" (First)"</span> : <span class="string">""</span>) <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isLastItem</span> ? <span class="string">" (Last)"</span> : <span class="string">""</span>) } <span class="comment">// When mouse is clicked, display the values of the positioner</span> <span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill: <span class="name">parent</span> <span class="name">onClicked</span>: <span class="name">column</span>.<span class="name">showInfo</span>(<span class="name">blue</span>.<span class="name">Positioner</span>) } } <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">purple</span> <span class="name">color</span>: <span class="string">"#6400aa"</span> <span class="name">width</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="name">height</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="type"><a href="qml-qtquick-text.html">Text</a></span> { <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.leftMargin: <span class="number">20</span> <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">text</span>: <span class="string">"Index: "</span> <span class="operator">+</span> <span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">index</span> <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isFirstItem</span> ? <span class="string">" (First)"</span> : <span class="string">""</span>) <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isLastItem</span> ? <span class="string">" (Last)"</span> : <span class="string">""</span>) } <span class="comment">// When mouse is clicked, display the values of the positioner</span> <span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> { <span class="name">anchors</span>.fill: <span class="name">parent</span> <span class="name">onClicked</span>: <span class="name">column</span>.<span class="name">showInfo</span>(<span class="name">purple</span>.<span class="name">Positioner</span>) } } <span class="comment">// This rectangle is not visible, so it doesn't have a positioner value</span> <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">hidingRect</span> <span class="name">color</span>: <span class="string">"#006325"</span> <span class="name">width</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="name">height</span>: <span class="number">100</span> <span class="operator">*</span> <span class="name">page</span>.<span class="name">ratio</span> <span class="name">visible</span>: <span class="number">false</span> <span class="type"><a href="qml-qtquick-text.html">Text</a></span> { <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.leftMargin: <span class="number">20</span> <span class="name">anchors</span>.verticalCenter: <span class="name">parent</span>.<span class="name">verticalCenter</span> <span class="name">text</span>: <span class="string">"Index: "</span> <span class="operator">+</span> <span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">index</span> <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isFirstItem</span> ? <span class="string">" (First)"</span> : <span class="string">""</span>) <span class="operator">+</span> (<span class="name">parent</span>.<span class="name">Positioner</span>.<span class="name">isLastItem</span> ? <span class="string">" (Last)"</span> : <span class="string">""</span>) } } <span class="comment">// Print the index of the child item in the positioner and convenience</span> <span class="comment">// properties showing if it's the first or last item.</span> <span class="keyword">function</span> <span class="name">showInfo</span>(<span class="name">positioner</span>) { <span class="name">console</span>.<span class="name">log</span>(<span class="string">"Item Index = "</span> <span class="operator">+</span> <span class="name">positioner</span>.<span class="name">index</span>) <span class="name">console</span>.<span class="name">log</span>(<span class="string">" isFirstItem = "</span> <span class="operator">+</span> <span class="name">positioner</span>.<span class="name">isFirstItem</span>) <span class="name">console</span>.<span class="name">log</span>(<span class="string">" isLastItem = "</span> <span class="operator">+</span> <span class="name">positioner</span>.<span class="name">isLastItem</span>) } } } </pre> </div> <!-- @@@positioners/positioners-attachedproperties.qml --> </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>