--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/declarative/minehunt/minehunt.cpp Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,334 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <stdlib.h>
+#include <qdeclarativeextensionplugin.h>
+#include <qdeclarativecontext.h>
+#include <qdeclarativeengine.h>
+#include <qdeclarative.h>
+
+#include <QTime>
+#include <QTimer>
+
+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;
+};
+
+void tilesPropAppend(QDeclarativeListProperty<TileData>* prop, TileData* value)
+{
+ Q_UNUSED(prop);
+ Q_UNUSED(value);
+ return; //Append not supported
+}
+
+int tilesPropCount(QDeclarativeListProperty<TileData>* prop)
+{
+ return static_cast<QList<TileData*>*>(prop->data)->count();
+}
+
+TileData* tilesPropAt(QDeclarativeListProperty<TileData>* prop, int index)
+{
+ return static_cast<QList<TileData*>*>(prop->data)->at(index);
+}
+
+QDeclarativeListProperty<TileData> MinehuntGame::tiles(){
+ return QDeclarativeListProperty<TileData>(this, &_tiles, &tilesPropAppend,
+ &tilesPropCount, &tilesPropAt, 0);
+}
+
+MinehuntGame::MinehuntGame()
+: numCols(9), numRows(9), playing(true), won(false)
+{
+ setObjectName("mainObject");
+ srand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+ //initialize array
+ for(int ii = 0; ii < numRows * numCols; ++ii) {
+ _tiles << new TileData;
+ }
+ reset();
+
+}
+
+void MinehuntGame::setBoard()
+{
+ foreach(TileData* t, _tiles){
+ t->setHasMine(false);
+ t->setHint(-1);
+ }
+ //place mines
+ int mines = nMines;
+ remaining = numRows*numCols-mines;
+ while ( mines ) {
+ int col = int((double(rand()) / double(RAND_MAX)) * numCols);
+ int row = int((double(rand()) / double(RAND_MAX)) * numRows);
+
+ TileData* t = tile( row, col );
+
+ if (t && !t->hasMine()) {
+ t->setHasMine( true );
+ mines--;
+ }
+ }
+
+ //set hints
+ for (int r = 0; r < numRows; r++)
+ for (int c = 0; c < numCols; c++) {
+ TileData* t = tile(r, c);
+ if (t && !t->hasMine()) {
+ int hint = getHint(r,c);
+ t->setHint(hint);
+ }
+ }
+
+ setPlaying(true);
+}
+
+void MinehuntGame::reset()
+{
+ foreach(TileData* t, _tiles){
+ t->unflip();
+ t->setHasFlag(false);
+ }
+ nMines = 12;
+ nFlags = 0;
+ emit numMinesChanged();
+ emit numFlagsChanged();
+ setPlaying(false);
+ QTimer::singleShot(600,this, SLOT(setBoard()));
+}
+
+int MinehuntGame::getHint(int row, int col)
+{
+ int hint = 0;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData* t = tile(r, c);
+ if (t && t->hasMine())
+ hint++;
+ }
+ return hint;
+}
+
+bool MinehuntGame::flip(int row, int col)
+{
+ if(!playing)
+ return false;
+
+ TileData *t = tile(row, col);
+ if (!t || t->hasFlag())
+ return false;
+
+ if(t->flipped()){
+ int flags = 0;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData *nearT = tile(r, c);
+ if(!nearT || nearT == t)
+ continue;
+ if(nearT->hasFlag())
+ flags++;
+ }
+ if(!t->hint() || t->hint() != flags)
+ return false;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData *nearT = tile(r, c);
+ if (nearT && !nearT->flipped() && !nearT->hasFlag()) {
+ flip( r, c );
+ }
+ }
+ return true;
+ }
+
+ t->flip();
+
+ if (t->hint() == 0) {
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData* t = tile(r, c);
+ if (t && !t->flipped()) {
+ flip( r, c );
+ }
+ }
+ }
+
+ if(t->hasMine()){
+ for (int r = 0; r < numRows; r++)//Flip all other mines
+ for (int c = 0; c < numCols; c++) {
+ TileData* t = tile(r, c);
+ if (t && t->hasMine()) {
+ flip(r, c);
+ }
+ }
+ won = false;
+ hasWonChanged();
+ setPlaying(false);
+ }
+
+ remaining--;
+ if(!remaining){
+ won = true;
+ hasWonChanged();
+ setPlaying(false);
+ }
+ return true;
+}
+
+bool MinehuntGame::flag(int row, int col)
+{
+ TileData *t = tile(row, col);
+ if(!t)
+ return false;
+
+ t->setHasFlag(!t->hasFlag());
+ nFlags += (t->hasFlag()?1:-1);
+ emit numFlagsChanged();
+ return true;
+}
+
+class MinehuntExtensionPlugin : public QDeclarativeExtensionPlugin
+{
+ Q_OBJECT
+
+ public:
+ void registerTypes(const char *uri) {
+ Q_UNUSED(uri);
+ qmlRegisterType<TileData>();
+ }
+
+ void initializeEngine(QDeclarativeEngine *engine, const char *uri) {
+ Q_UNUSED(uri);
+
+ srand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+ MinehuntGame* game = new MinehuntGame();
+
+ engine->rootContext()->setContextObject(game);
+ }
+};
+
+#include "minehunt.moc"
+
+Q_EXPORT_PLUGIN(MinehuntExtensionPlugin);
+