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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">minehunt.cpp Example File</h1> <span class="small-subtitle">demos/declarative/minehunt/minehunt.cpp</span> <!-- $$$demos/declarative/minehunt/minehunt.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include <stdlib.h></span> <span class="preprocessor">#include <QTime></span> <span class="preprocessor">#include <QTimer></span> <span class="preprocessor">#include "minehunt.h"</span> <span class="type">void</span> tilesPropAppend(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span>TileData<span class="operator">></span><span class="operator">*</span> prop<span class="operator">,</span> TileData<span class="operator">*</span> value) { Q_UNUSED(prop); Q_UNUSED(value); <span class="keyword">return</span>; <span class="comment">//Append not supported</span> } <span class="type">int</span> tilesPropCount(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span>TileData<span class="operator">></span><span class="operator">*</span> prop) { <span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>TileData<span class="operator">*</span><span class="operator">></span><span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>data)<span class="operator">-</span><span class="operator">></span>count(); } TileData<span class="operator">*</span> tilesPropAt(<span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span>TileData<span class="operator">></span><span class="operator">*</span> prop<span class="operator">,</span> <span class="type">int</span> index) { <span class="keyword">return</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span>TileData<span class="operator">*</span><span class="operator">></span><span class="operator">*</span><span class="operator">></span>(prop<span class="operator">-</span><span class="operator">></span>data)<span class="operator">-</span><span class="operator">></span>at(index); } <span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span>TileData<span class="operator">></span> MinehuntGame<span class="operator">::</span>tiles(){ <span class="keyword">return</span> <span class="type"><a href="qdeclarativelistproperty.html">QDeclarativeListProperty</a></span><span class="operator"><</span>TileData<span class="operator">></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>_tiles<span class="operator">,</span> <span class="operator">&</span>tilesPropAppend<span class="operator">,</span> <span class="operator">&</span>tilesPropCount<span class="operator">,</span> <span class="operator">&</span>tilesPropAt<span class="operator">,</span> <span class="number">0</span>); } MinehuntGame<span class="operator">::</span>MinehuntGame() : numCols(<span class="number">9</span>)<span class="operator">,</span> numRows(<span class="number">9</span>)<span class="operator">,</span> playing(<span class="keyword">true</span>)<span class="operator">,</span> won(<span class="keyword">false</span>) { setObjectName(<span class="string">"mainObject"</span>); srand(<span class="type"><a href="qtime.html">QTime</a></span>(<span class="number">0</span><span class="operator">,</span><span class="number">0</span><span class="operator">,</span><span class="number">0</span>)<span class="operator">.</span>secsTo(<span class="type"><a href="qtime.html">QTime</a></span><span class="operator">::</span>currentTime())); <span class="comment">//initialize array</span> <span class="keyword">for</span>(<span class="type">int</span> ii <span class="operator">=</span> <span class="number">0</span>; ii <span class="operator"><</span> numRows <span class="operator">*</span> numCols; <span class="operator">+</span><span class="operator">+</span>ii) { _tiles <span class="operator"><</span><span class="operator"><</span> <span class="keyword">new</span> TileData; } reset(); } <span class="type">void</span> MinehuntGame<span class="operator">::</span>setBoard() { foreach(TileData<span class="operator">*</span> t<span class="operator">,</span> _tiles){ t<span class="operator">-</span><span class="operator">></span>setHasMine(<span class="keyword">false</span>); t<span class="operator">-</span><span class="operator">></span>setHint(<span class="operator">-</span><span class="number">1</span>); } <span class="comment">//place mines</span> <span class="type">int</span> mines <span class="operator">=</span> nMines; remaining <span class="operator">=</span> numRows<span class="operator">*</span>numCols<span class="operator">-</span>mines; <span class="keyword">while</span> ( mines ) { <span class="type">int</span> col <span class="operator">=</span> <span class="type">int</span>((<span class="type">double</span>(rand()) <span class="operator">/</span> <span class="type">double</span>(RAND_MAX)) <span class="operator">*</span> numCols); <span class="type">int</span> row <span class="operator">=</span> <span class="type">int</span>((<span class="type">double</span>(rand()) <span class="operator">/</span> <span class="type">double</span>(RAND_MAX)) <span class="operator">*</span> numRows); TileData<span class="operator">*</span> t <span class="operator">=</span> tile( row<span class="operator">,</span> col ); <span class="keyword">if</span> (t <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>t<span class="operator">-</span><span class="operator">></span>hasMine()) { t<span class="operator">-</span><span class="operator">></span>setHasMine( <span class="keyword">true</span> ); mines<span class="operator">-</span><span class="operator">-</span>; } } <span class="comment">//set hints</span> <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> <span class="number">0</span>; r <span class="operator"><</span> numRows; r<span class="operator">+</span><span class="operator">+</span>) <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> <span class="number">0</span>; c <span class="operator"><</span> numCols; c<span class="operator">+</span><span class="operator">+</span>) { TileData<span class="operator">*</span> t <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span> (t <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>t<span class="operator">-</span><span class="operator">></span>hasMine()) { <span class="type">int</span> hint <span class="operator">=</span> getHint(r<span class="operator">,</span>c); t<span class="operator">-</span><span class="operator">></span>setHint(hint); } } setPlaying(<span class="keyword">true</span>); } <span class="type">void</span> MinehuntGame<span class="operator">::</span><a href="qtextstream.html#reset">reset</a>() { foreach(TileData<span class="operator">*</span> t<span class="operator">,</span> _tiles){ t<span class="operator">-</span><span class="operator">></span>unflip(); t<span class="operator">-</span><span class="operator">></span>setHasFlag(<span class="keyword">false</span>); } nMines <span class="operator">=</span> <span class="number">12</span>; nFlags <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">emit</span> numMinesChanged(); <span class="keyword">emit</span> numFlagsChanged(); setPlaying(<span class="keyword">false</span>); <span class="type"><a href="qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">600</span><span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span> SLOT(setBoard())); } <span class="type">int</span> MinehuntGame<span class="operator">::</span>getHint(<span class="type">int</span> row<span class="operator">,</span> <span class="type">int</span> col) { <span class="type">int</span> hint <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> col<span class="operator">-</span><span class="number">1</span>; c <span class="operator"><</span><span class="operator">=</span> col<span class="operator">+</span><span class="number">1</span>; c<span class="operator">+</span><span class="operator">+</span>) <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> row<span class="operator">-</span><span class="number">1</span>; r <span class="operator"><</span><span class="operator">=</span> row<span class="operator">+</span><span class="number">1</span>; r<span class="operator">+</span><span class="operator">+</span>) { TileData<span class="operator">*</span> t <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span> (t <span class="operator">&</span><span class="operator">&</span> t<span class="operator">-</span><span class="operator">></span>hasMine()) hint<span class="operator">+</span><span class="operator">+</span>; } <span class="keyword">return</span> hint; } <span class="type">bool</span> MinehuntGame<span class="operator">::</span>flip(<span class="type">int</span> row<span class="operator">,</span> <span class="type">int</span> col) { <span class="keyword">if</span>(<span class="operator">!</span>playing) <span class="keyword">return</span> <span class="keyword">false</span>; TileData <span class="operator">*</span>t <span class="operator">=</span> tile(row<span class="operator">,</span> col); <span class="keyword">if</span> (<span class="operator">!</span>t <span class="operator">|</span><span class="operator">|</span> t<span class="operator">-</span><span class="operator">></span>hasFlag()) <span class="keyword">return</span> <span class="keyword">false</span>; <span class="keyword">if</span>(t<span class="operator">-</span><span class="operator">></span>flipped()){ <span class="type">int</span> flags <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> col<span class="operator">-</span><span class="number">1</span>; c <span class="operator"><</span><span class="operator">=</span> col<span class="operator">+</span><span class="number">1</span>; c<span class="operator">+</span><span class="operator">+</span>) <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> row<span class="operator">-</span><span class="number">1</span>; r <span class="operator"><</span><span class="operator">=</span> row<span class="operator">+</span><span class="number">1</span>; r<span class="operator">+</span><span class="operator">+</span>) { TileData <span class="operator">*</span>nearT <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span>(<span class="operator">!</span>nearT <span class="operator">|</span><span class="operator">|</span> nearT <span class="operator">=</span><span class="operator">=</span> t) <span class="keyword">continue</span>; <span class="keyword">if</span>(nearT<span class="operator">-</span><span class="operator">></span>hasFlag()) flags<span class="operator">+</span><span class="operator">+</span>; } <span class="keyword">if</span>(<span class="operator">!</span>t<span class="operator">-</span><span class="operator">></span>hint() <span class="operator">|</span><span class="operator">|</span> t<span class="operator">-</span><span class="operator">></span>hint() <span class="operator">!</span><span class="operator">=</span> flags) <span class="keyword">return</span> <span class="keyword">false</span>; <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> col<span class="operator">-</span><span class="number">1</span>; c <span class="operator"><</span><span class="operator">=</span> col<span class="operator">+</span><span class="number">1</span>; c<span class="operator">+</span><span class="operator">+</span>) <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> row<span class="operator">-</span><span class="number">1</span>; r <span class="operator"><</span><span class="operator">=</span> row<span class="operator">+</span><span class="number">1</span>; r<span class="operator">+</span><span class="operator">+</span>) { TileData <span class="operator">*</span>nearT <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span> (nearT <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>nearT<span class="operator">-</span><span class="operator">></span>flipped() <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>nearT<span class="operator">-</span><span class="operator">></span>hasFlag()) { flip( r<span class="operator">,</span> c ); } } <span class="keyword">return</span> <span class="keyword">true</span>; } t<span class="operator">-</span><span class="operator">></span>flip(); <span class="keyword">if</span> (t<span class="operator">-</span><span class="operator">></span>hint() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>) { <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> col<span class="operator">-</span><span class="number">1</span>; c <span class="operator"><</span><span class="operator">=</span> col<span class="operator">+</span><span class="number">1</span>; c<span class="operator">+</span><span class="operator">+</span>) <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> row<span class="operator">-</span><span class="number">1</span>; r <span class="operator"><</span><span class="operator">=</span> row<span class="operator">+</span><span class="number">1</span>; r<span class="operator">+</span><span class="operator">+</span>) { TileData<span class="operator">*</span> t <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span> (t <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>t<span class="operator">-</span><span class="operator">></span>flipped()) { flip( r<span class="operator">,</span> c ); } } } <span class="keyword">if</span>(t<span class="operator">-</span><span class="operator">></span>hasMine()){ <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> <span class="number">0</span>; r <span class="operator"><</span> numRows; r<span class="operator">+</span><span class="operator">+</span>)<span class="comment">//Flip all other mines</span> <span class="keyword">for</span> (<span class="type">int</span> c <span class="operator">=</span> <span class="number">0</span>; c <span class="operator"><</span> numCols; c<span class="operator">+</span><span class="operator">+</span>) { TileData<span class="operator">*</span> t <span class="operator">=</span> tile(r<span class="operator">,</span> c); <span class="keyword">if</span> (t <span class="operator">&</span><span class="operator">&</span> t<span class="operator">-</span><span class="operator">></span>hasMine()) { flip(r<span class="operator">,</span> c); } } won <span class="operator">=</span> <span class="keyword">false</span>; hasWonChanged(); setPlaying(<span class="keyword">false</span>); <span class="keyword">return</span> <span class="keyword">true</span>; } remaining<span class="operator">-</span><span class="operator">-</span>; <span class="keyword">if</span>(<span class="operator">!</span>remaining){ won <span class="operator">=</span> <span class="keyword">true</span>; hasWonChanged(); setPlaying(<span class="keyword">false</span>); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">bool</span> MinehuntGame<span class="operator">::</span>flag(<span class="type">int</span> row<span class="operator">,</span> <span class="type">int</span> col) { TileData <span class="operator">*</span>t <span class="operator">=</span> tile(row<span class="operator">,</span> col); <span class="keyword">if</span>(<span class="operator">!</span>t <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>playing <span class="operator">|</span><span class="operator">|</span> t<span class="operator">-</span><span class="operator">></span>flipped()) <span class="keyword">return</span> <span class="keyword">false</span>; t<span class="operator">-</span><span class="operator">></span>setHasFlag(<span class="operator">!</span>t<span class="operator">-</span><span class="operator">></span>hasFlag()); nFlags <span class="operator">+</span><span class="operator">=</span> (t<span class="operator">-</span><span class="operator">></span>hasFlag()<span class="operator">?</span><span class="number">1</span>:<span class="operator">-</span><span class="number">1</span>); <span class="keyword">emit</span> numFlagsChanged(); <span class="keyword">return</span> <span class="keyword">true</span>; }</pre> </div> <!-- @@@demos/declarative/minehunt/minehunt.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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