minehunt.h Example File

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the demonstration applications of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** GNU Lesser General Public License Usage
 ** This file may be used under the terms of the GNU Lesser General Public
 ** License version 2.1 as published by the Free Software Foundation and
 ** appearing in the file LICENSE.LGPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU Lesser
 ** General Public License version 2.1 requirements will be met:
 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights. These rights are described in the Nokia Qt 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.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include <qdeclarative.h>

 class TileData : public QObject
 {
     Q_OBJECT
 public:
     TileData() : _hasFlag(false), _hasMine(false), _hint(-1), _flipped(false) {}

     Q_PROPERTY(bool hasFlag READ hasFlag WRITE setHasFlag NOTIFY hasFlagChanged)
     bool hasFlag() const { return _hasFlag; }

     Q_PROPERTY(bool hasMine READ hasMine NOTIFY hasMineChanged)
     bool hasMine() const { return _hasMine; }

     Q_PROPERTY(int hint READ hint NOTIFY hintChanged)
     int hint() const { return _hint; }

     Q_PROPERTY(bool flipped READ flipped NOTIFY flippedChanged())
     bool flipped() const { return _flipped; }

     void setHasFlag(bool flag) {if(flag==_hasFlag) return; _hasFlag = flag; emit hasFlagChanged();}
     void setHasMine(bool mine) {if(mine==_hasMine) return; _hasMine = mine; emit hasMineChanged();}
     void setHint(int hint) { if(hint == _hint) return; _hint = hint; emit hintChanged(); }
     void flip() { if (_flipped) return; _flipped = true; emit flippedChanged(); }
     void unflip() { if(!_flipped) return; _flipped = false; emit flippedChanged(); }

 signals:
     void flippedChanged();
     void hasFlagChanged();
     void hintChanged();
     void hasMineChanged();

 private:
     bool _hasFlag;
     bool _hasMine;
     int _hint;
     bool _flipped;
 };

 class MinehuntGame : public QObject
 {
     Q_OBJECT
 public:
     MinehuntGame();

     Q_PROPERTY(QDeclarativeListProperty<TileData> tiles READ tiles CONSTANT)
     QDeclarativeListProperty<TileData> tiles();

     Q_PROPERTY(bool isPlaying READ isPlaying NOTIFY isPlayingChanged)
     bool isPlaying() {return playing;}

     Q_PROPERTY(bool hasWon READ hasWon NOTIFY hasWonChanged)
     bool hasWon() {return won;}

     Q_PROPERTY(int numMines READ numMines NOTIFY numMinesChanged)
     int numMines() const{return nMines;}

     Q_PROPERTY(int numFlags READ numFlags NOTIFY numFlagsChanged)
     int numFlags() const{return nFlags;}

 public slots:
     Q_INVOKABLE bool flip(int row, int col);
     Q_INVOKABLE bool flag(int row, int col);
     void setBoard();
     void reset();

 signals:
     void isPlayingChanged();
     void hasWonChanged();
     void numMinesChanged();
     void numFlagsChanged();

 private:
     bool onBoard( int r, int c ) const { return r >= 0 && r < numRows && c >= 0 && c < numCols; }
     TileData *tile( int row, int col ) { return onBoard(row, col) ? _tiles[col+numRows*row] : 0; }
     int getHint(int row, int col);
     void setPlaying(bool b){if(b==playing) return; playing=b; emit isPlayingChanged();}

     QList<TileData *> _tiles;
     int numCols;
     int numRows;
     bool playing;
     bool won;
     int remaining;
     int nMines;
     int nFlags;
 };