<?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>grue.qml Example File | Qt Sensors 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="qtsensors-index.html">Qt Sensors</a></td><td ><a href="qtsensors-grue-example.html">Qt Sensors - Grue Sensor Example</a></td><td >grue.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">grue.qml Example File</h1> <span class="subtitle">grue/grue.qml</span> <!-- $$$grue/grue.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 QtSensors module 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 QtSensors 5.0 import Grue 1.0 <span class="type">Rectangle</span> { <span class="name">id</span>: <span class="name">root</span> <span class="name">width</span>: <span class="number">320</span> <span class="name">height</span>: <span class="number">480</span> <span class="name">color</span>: <span class="string">"black"</span> property <span class="type">int</span> <span class="name">percent</span>: <span class="number">0</span> property <span class="type">string</span> <span class="name">text</span>: <span class="string">""</span> property <span class="type">real</span> <span class="name">grueOpacity</span>: <span class="number">0.0</span> <span class="keyword">function</span> <span class="name">updateStatus</span>(<span class="name">newPercent</span>, newOpacity, newText) { <span class="keyword">if</span> (<span class="name">root</span>.<span class="name">percent</span> <span class="operator">===</span> <span class="name">newPercent</span>) <span class="keyword">return</span>; <span class="comment">// Delay updating the visual status to prevent flicker</span> <span class="name">timer</span>.<span class="name">interval</span> <span class="operator">=</span> (<span class="name">newPercent</span> <span class="operator"><</span> <span class="name">root</span>.<span class="name">percent</span>) ? <span class="number">500</span> : <span class="number">0</span>; <span class="name">root</span>.<span class="name">percent</span> <span class="operator">=</span> <span class="name">newPercent</span>; <span class="name">root</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">newText</span>; <span class="name">root</span>.<span class="name">grueOpacity</span> <span class="operator">=</span> <span class="name">newOpacity</span>; <span class="name">timer</span>.<span class="name">start</span>() } <span class="type">Timer</span> { <span class="name">id</span>: <span class="name">timer</span> <span class="name">running</span>: <span class="number">false</span> <span class="name">repeat</span>: <span class="number">false</span> <span class="name">onTriggered</span>: { <span class="name">text</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">root</span>.<span class="name">text</span> <span class="name">grueimg</span>.<span class="name">opacity</span> <span class="operator">=</span> <span class="name">root</span>.<span class="name">grueOpacity</span> } } <span class="type">GrueSensor</span> { <span class="name">id</span>: <span class="name">sensor</span> <span class="name">active</span>: <span class="number">true</span> <span class="name">onReadingChanged</span>: { var <span class="name">percent</span> = <span class="name">reading</span>.<span class="name">chanceOfBeingEaten</span>; <span class="keyword">if</span> (<span class="name">percent</span> <span class="operator">===</span> <span class="number">0</span>) { <span class="name">updateStatus</span>(<span class="name">percent</span>, <span class="number">0.0</span>, <span class="string">"It is light.<br>You are safe from Grues."</span>); } <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">percent</span> <span class="operator">===</span> <span class="number">100</span>) { <span class="name">updateStatus</span>(<span class="name">percent</span>, <span class="number">1.0</span>, <span class="string">"You have been eaten by a Grue!"</span>); <span class="name">sensor</span>.<span class="name">active</span> <span class="operator">=</span> <span class="number">false</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">percent</span> <span class="operator">></span> <span class="number">0</span>) { <span class="name">updateStatus</span>(<span class="name">percent</span>, <span class="number">0.05</span> <span class="operator">+</span> (<span class="name">percent</span> <span class="operator">*</span> <span class="number">0.001</span>), <span class="string">"It is dark.<br>You are "</span> <span class="operator">+</span> <span class="name">percent</span> <span class="operator">+</span><span class="string">" % "</span> <span class="operator">+</span> <span class="string">"likely to be eaten by a Grue."</span>); } } } <span class="type">Text</span> { <span class="name">id</span>: <span class="name">text</span> <span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span> <span class="name">anchors</span>.topMargin: <span class="number">0</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">wrapMode</span>: <span class="name">Text</span>.<span class="name">WordWrap</span> <span class="name">text</span>: <span class="string">"I can't tell if you're going to be eaten by a Grue or not. You're on your own!"</span> <span class="name">font</span>.pixelSize: <span class="number">30</span> <span class="name">color</span>: <span class="string">"lightgray"</span> } <span class="type">Image</span> { <span class="name">id</span>: <span class="name">grueimg</span> <span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">anchors</span>.horizontalCenter: <span class="name">parent</span>.<span class="name">horizontalCenter</span> <span class="name">source</span>: <span class="string">"grue.png"</span> <span class="name">opacity</span>: <span class="number">0.0</span> Behavior on <span class="name">opacity</span> { <span class="type">PropertyAnimation</span> { <span class="name">duration</span>: <span class="number">250</span> } } } } </pre> </div> <!-- @@@grue/grue.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>