<?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>calqlatr.qml Example File | Qt Quick 5.11</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 ><a href="../qtdoc/index.html">Qt 5.11</a></td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-demos-calqlatr-example.html">Qt Quick Demo - Calqlatr</a></td><td >calqlatr.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.11.2 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">calqlatr.qml Example File</h1> <span class="subtitle">demos/calqlatr/calqlatr.qml</span> <!-- $$$demos/calqlatr/calqlatr.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 "content" import "content/calculator.js" as CalcEngine <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">window</span> <span class="name">width</span>: <span class="number">320</span> <span class="name">height</span>: <span class="number">480</span> <span class="name">focus</span>: <span class="number">true</span> <span class="name">color</span>: <span class="string">"#272822"</span> <span class="name">onWidthChanged</span>: <span class="name">controller</span>.<span class="name">reload</span>() <span class="name">onHeightChanged</span>: <span class="name">controller</span>.<span class="name">reload</span>() <span class="keyword">function</span> <span class="name">operatorPressed</span>(<span class="name">operator</span>) { <span class="name">CalcEngine</span>.<span class="name">operatorPressed</span>(<span class="name">operator</span>) <span class="name">numPad</span>.<span class="name">buttonPressed</span>() } <span class="keyword">function</span> <span class="name">digitPressed</span>(<span class="name">digit</span>) { <span class="name">CalcEngine</span>.<span class="name">digitPressed</span>(<span class="name">digit</span>) <span class="name">numPad</span>.<span class="name">buttonPressed</span>() } <span class="keyword">function</span> <span class="name">isButtonDisabled</span>(<span class="name">op</span>) { <span class="keyword">return</span> <span class="name">CalcEngine</span>.<span class="name">disabled</span>(<span class="name">op</span>) } <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">pad</span> <span class="name">width</span>: <span class="number">180</span> <span class="type">NumberPad</span> { <span class="name">id</span>: <span class="name">numPad</span>; <span class="name">y</span>: <span class="number">10</span>; <span class="name">anchors</span>.horizontalCenter: <span class="name">parent</span>.<span class="name">horizontalCenter</span> } } <span class="type"><a href="qml-qtquick-animationcontroller.html">AnimationController</a></span> { <span class="name">id</span>: <span class="name">controller</span> <span class="name">animation</span>: <span class="name">ParallelAnimation</span> { <span class="name">id</span>: <span class="name">anim</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">display</span>; <span class="name">property</span>: <span class="string">"x"</span>; <span class="name">duration</span>: <span class="number">400</span>; <span class="name">from</span>: -<span class="number">16</span>; <span class="name">to</span>: <span class="name">window</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">display</span>.<span class="name">width</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">pad</span>; <span class="name">property</span>: <span class="string">"x"</span>; <span class="name">duration</span>: <span class="number">400</span>; <span class="name">from</span>: <span class="name">window</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">pad</span>.<span class="name">width</span>; <span class="name">to</span>: <span class="number">0</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } <span class="type"><a href="qml-qtquick-sequentialanimation.html">SequentialAnimation</a></span> { <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">pad</span>; <span class="name">property</span>: <span class="string">"scale"</span>; <span class="name">duration</span>: <span class="number">200</span>; <span class="name">from</span>: <span class="number">1</span>; <span class="name">to</span>: <span class="number">0.97</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">target</span>: <span class="name">pad</span>; <span class="name">property</span>: <span class="string">"scale"</span>; <span class="name">duration</span>: <span class="number">200</span>; <span class="name">from</span>: <span class="number">0.97</span>; <span class="name">to</span>: <span class="number">1</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutQuad</span> } } } } <span class="name">Keys</span>.onPressed: { <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_0</span>) <span class="name">digitPressed</span>(<span class="string">"0"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_1</span>) <span class="name">digitPressed</span>(<span class="string">"1"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_2</span>) <span class="name">digitPressed</span>(<span class="string">"2"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_3</span>) <span class="name">digitPressed</span>(<span class="string">"3"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_4</span>) <span class="name">digitPressed</span>(<span class="string">"4"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_5</span>) <span class="name">digitPressed</span>(<span class="string">"5"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_6</span>) <span class="name">digitPressed</span>(<span class="string">"6"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_7</span>) <span class="name">digitPressed</span>(<span class="string">"7"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_8</span>) <span class="name">digitPressed</span>(<span class="string">"8"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_9</span>) <span class="name">digitPressed</span>(<span class="string">"9"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Plus</span>) <span class="name">operatorPressed</span>(<span class="string">"+"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Minus</span>) <span class="name">operatorPressed</span>(<span class="string">"−"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Asterisk</span>) <span class="name">operatorPressed</span>(<span class="string">"×"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Slash</span>) <span class="name">operatorPressed</span>(<span class="string">"÷"</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Enter</span> <span class="operator">||</span> <span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Return</span>) <span class="name">operatorPressed</span>(<span class="string">"="</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Comma</span> <span class="operator">||</span> <span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Period</span>) <span class="name">digitPressed</span>(<span class="string">"."</span>) <span class="keyword">else</span> <span class="keyword">if</span> (<span class="name">event</span>.<span class="name">key</span> <span class="operator">==</span> <span class="name">Qt</span>.<span class="name">Key_Backspace</span>) <span class="name">operatorPressed</span>(<span class="string">"backspace"</span>) } <span class="type">Display</span> { <span class="name">id</span>: <span class="name">display</span> <span class="name">x</span>: -<span class="number">16</span> <span class="name">width</span>: <span class="name">window</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">pad</span>.<span class="name">width</span> <span class="name">height</span>: <span class="name">parent</span>.<span class="name">height</span> <span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> { <span class="name">id</span>: <span class="name">mouseInput</span> property <span class="type"><a href="../qtqml/qml-real.html">real</a></span> <span class="name">startX</span>: <span class="number">0</span> property <span class="type"><a href="../qtqml/qml-real.html">real</a></span> <span class="name">oldP</span>: <span class="number">0</span> property <span class="type"><a href="../qtqml/qml-bool.html">bool</a></span> <span class="name">rewind</span>: <span class="number">false</span> <span class="type">anchors</span> { <span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span> <span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span> } <span class="name">height</span>: <span class="number">50</span> <span class="name">onPositionChanged</span>: { var <span class="name">reverse</span> = <span class="name">startX</span> <span class="operator">></span> <span class="name">window</span>.<span class="name">width</span> <span class="operator">/</span> <span class="number">2</span> var <span class="name">mx</span> = <span class="name">mapToItem</span>(<span class="name">window</span>, <span class="name">mouseInput</span>.<span class="name">mouseX</span>, <span class="name">mouseInput</span>.<span class="name">mouseY</span>).<span class="name">x</span> var <span class="name">p</span> = <span class="name">Math</span>.<span class="name">abs</span>((<span class="name">mx</span> <span class="operator">-</span> <span class="name">startX</span>) <span class="operator">/</span> (<span class="name">window</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">display</span>.<span class="name">width</span>)) <span class="keyword">if</span> (<span class="name">p</span> <span class="operator"><</span> <span class="name">oldP</span>) <span class="name">rewind</span> <span class="operator">=</span> <span class="name">reverse</span> ? <span class="number">false</span> : <span class="number">true</span> <span class="keyword">else</span> <span class="name">rewind</span> <span class="operator">=</span> <span class="name">reverse</span> ? <span class="number">true</span> : <span class="number">false</span> <span class="name">controller</span>.<span class="name">progress</span> <span class="operator">=</span> <span class="name">reverse</span> ? <span class="number">1</span> <span class="operator">-</span> <span class="name">p</span> : <span class="name">p</span> <span class="name">oldP</span> <span class="operator">=</span> <span class="name">p</span> } <span class="name">onPressed</span>: <span class="name">startX</span> <span class="operator">=</span> <span class="name">mapToItem</span>(<span class="name">window</span>, <span class="name">mouseInput</span>.<span class="name">mouseX</span>, <span class="name">mouseInput</span>.<span class="name">mouseY</span>).<span class="name">x</span> <span class="name">onReleased</span>: { <span class="keyword">if</span> (<span class="name">rewind</span>) <span class="name">controller</span>.<span class="name">completeToBeginning</span>() <span class="keyword">else</span> <span class="name">controller</span>.<span class="name">completeToEnd</span>() } } } } </pre> </div> <!-- @@@demos/calqlatr/calqlatr.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2018 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>