<?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>sudoku.js Example File | Qt SCXML 5.12.6</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 5.12</td><td ><a href="qtscxml-index.html">Qt SCXML</a></td><td ><a href="qtscxml-sudoku-example.html">Qt SCXML Sudoku Example</a></td><td >sudoku.js Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtscxml-index.html">Qt 5.12.6 Reference Documentation</a></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">sudoku.js Example File</h1> <span class="subtitle">sudoku/sudoku.js</span> <!-- $$$sudoku/sudoku.js-description --> <div class="descr"> <a name="details"></a> <pre class="js"> /**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtScxml 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ function restart() { for (var i = 0; i < initState.length; i++) currentState[i] = initState[i].slice(); undoStack = []; } function isValidPosition() { var x = _event.data.x; var y = _event.data.y; if (x < 0 || x >= initState.length) return false; if (y < 0 || y >= initState.length) return false; if (initState[x][y] !== 0) return false; return true; } function calculateCurrentState() { if (isValidPosition() === false) return; var x = _event.data.x; var y = _event.data.y; var currentValue = currentState[x][y]; if (currentValue === initState.length) currentValue = 0; else currentValue += 1; currentState[x][y] = currentValue; undoStack.push([x, y]); } function isOK(numbers) { var temp = []; for (var i = 0; i < numbers.length; i++) { var currentValue = numbers[i]; if (currentValue === 0) return false; if (temp.indexOf(currentValue) >= 0) return false; temp.push(currentValue); } return true; } function isSolved() { for (var i = 0; i < currentState.length; i++) { if (!isOK(currentState[i])) return false; var column = []; var square = []; for (var j = 0; j < currentState[i].length; j++) { column.push(currentState[j][i]); square.push(currentState[Math.floor(i / 3) * 3 + Math.floor(j / 3)] [i % 3 * 3 + j % 3]); } if (!isOK(column)) return false; if (!isOK(square)) return false; } return true; } function undo() { if (!undoStack.length) return; var lastMove = undoStack.pop(); var x = lastMove[0]; var y = lastMove[1]; var currentValue = currentState[x][y]; if (currentValue === 0) currentValue = initState.length; else currentValue -= 1; currentState[x][y] = currentValue; } </pre> </div> <!-- @@@sudoku/sudoku.js --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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