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+/****************************************************************************
+**
+** Copyright (C) 2009 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 "qmlengine.h"
+#include "qmlcontext.h"
+#include "qml.h"
+#include <qmlgraphicsitem.h>
+#include <qmlview.h>
+
+#include <QWidget>
+#include <QApplication>
+#include <QFile>
+#include <QTime>
+#include <QTimer>
+#include <QVBoxLayout>
+#include <QFileInfo>
+
+QString fileName = "minehunt.qml";
+
+class Tile : public QObject
+{
+ Q_OBJECT
+public:
+ Tile() : _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;
+};
+
+QML_DECLARE_TYPE(Tile);
+QML_DEFINE_TYPE(0,0,0,Tile,Tile);
+
+class MyWidget : public QWidget
+{
+Q_OBJECT
+public:
+ MyWidget(int = 370, int = 480, QWidget *parent=0, Qt::WindowFlags flags=0);
+ ~MyWidget();
+
+ Q_PROPERTY(QList<Tile *> *tiles READ tiles CONSTANT);
+ QList<Tile *> *tiles() { return &_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 void flip(int row, int col);
+ Q_INVOKABLE void 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; }
+ Tile *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();}
+
+ QmlView *canvas;
+
+ QList<Tile *> _tiles;
+ int numCols;
+ int numRows;
+ bool playing;
+ bool won;
+ int remaining;
+ int nMines;
+ int nFlags;
+};
+
+MyWidget::MyWidget(int width, int height, QWidget *parent, Qt::WindowFlags flags)
+: QWidget(parent, flags), canvas(0), numCols(9), numRows(9), playing(true), won(false)
+{
+ setObjectName("mainWidget");
+ srand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+ //initialize array
+ for(int ii = 0; ii < numRows * numCols; ++ii) {
+ _tiles << new Tile;
+ }
+
+ reset();
+
+ QVBoxLayout *vbox = new QVBoxLayout;
+ vbox->setMargin(0);
+ setLayout(vbox);
+
+ canvas = new QmlView(this);
+ canvas->setFixedSize(width, height);
+ vbox->addWidget(canvas);
+
+ QFile file(fileName);
+ file.open(QFile::ReadOnly);
+ QString qml = file.readAll();
+ canvas->setQml(qml, fileName);
+
+ QmlContext *ctxt = canvas->rootContext();
+ ctxt->addDefaultObject(this);
+ ctxt->setContextProperty("tiles", QVariant::fromValue<QList<Tile*>*>(&_tiles));//QTBUG-5675
+
+ canvas->execute();
+}
+
+MyWidget::~MyWidget()
+{
+}
+
+void MyWidget::setBoard()
+{
+ foreach(Tile* 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);
+
+ Tile* 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++) {
+ Tile* t = tile(r, c);
+ if (t && !t->hasMine()) {
+ int hint = getHint(r,c);
+ t->setHint(hint);
+ }
+ }
+
+ setPlaying(true);
+}
+
+void MyWidget::reset()
+{
+ foreach(Tile* t, _tiles){
+ t->unflip();
+ t->setHasFlag(false);
+ }
+ nMines = 12;
+ nFlags = 0;
+ setPlaying(false);
+ QTimer::singleShot(600,this, SLOT(setBoard()));
+}
+
+int MyWidget::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++) {
+ Tile* t = tile(r, c);
+ if (t && t->hasMine())
+ hint++;
+ }
+ return hint;
+}
+
+void MyWidget::flip(int row, int col)
+{
+ if(!playing)
+ return;
+
+ Tile *t = tile(row, col);
+ if (!t || t->hasFlag())
+ return;
+
+ if(t->flipped()){
+ int flags = 0;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ Tile *nearT = tile(r, c);
+ if(!nearT || nearT == t)
+ continue;
+ if(nearT->hasFlag())
+ flags++;
+ }
+ if(!t->hint() || t->hint() != flags)
+ return;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ Tile *nearT = tile(r, c);
+ if (nearT && !nearT->flipped() && !nearT->hasFlag()) {
+ flip( r, c );
+ }
+ }
+ return;
+ }
+
+ t->flip();
+
+ if (t->hint() == 0) {
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ Tile* 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++) {
+ Tile* t = tile(r, c);
+ if (t && t->hasMine()) {
+ flip(r, c);
+ }
+ }
+ won = false;
+ hasWonChanged();
+ setPlaying(false);
+ }
+
+ remaining--;
+ if(!remaining){
+ won = true;
+ hasWonChanged();
+ setPlaying(false);
+ }
+}
+
+void MyWidget::flag(int row, int col)
+{
+ Tile *t = tile(row, col);
+ if(!t)
+ return;
+
+ t->setHasFlag(!t->hasFlag());
+ nFlags += (t->hasFlag()?1:-1);
+ emit numFlagsChanged();
+}
+/////////////////////////////////////////////////////////
+
+int main(int argc, char ** argv)
+{
+ QApplication app(argc, argv);
+
+ bool frameless = false;
+
+ int width = 370;
+ int height = 480;
+
+ for (int i = 1; i < argc; ++i) {
+ QString arg = argv[i];
+ if (arg == "-frameless") {
+ frameless = true;
+ } else if(arg == "-width" && i < (argc - 1)) {
+ ++i;
+ width = ::atoi(argv[i]);
+ } else if(arg == "-height" && i < (argc - 1)) {
+ ++i;
+ height = ::atoi(argv[i]);
+ } else if (arg[0] != '-') {
+ fileName = arg;
+ }
+ }
+
+ MyWidget wid(width, height, 0, frameless ? Qt::FramelessWindowHint : Qt::Widget);
+ wid.show();
+
+ return app.exec();
+}
+
+#include "main.moc"