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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef TICTAC_H
#define TICTAC_H
#include <qpushbutton.h>
#include <qptrvector.h>
class QComboBox;
class QLabel;
// --------------------------------------------------------------------------
// TicTacButton implements a single tic-tac-toe button
//
class TicTacButton : public QPushButton
{
Q_OBJECT
public:
TicTacButton( QWidget *parent );
enum Type { Blank, Circle, Cross };
Type type() const { return t; }
void setType( Type type ) { t = type; repaint(); }
QSizePolicy sizePolicy() const
{ return QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred ); }
QSize sizeHint() const { return QSize( 32, 32 ); }
QSize minimumSizeHint() const { return QSize( 10, 10 ); }
protected:
void drawButtonLabel( QPainter * );
private:
Type t;
};
// Using template vector to make vector-class of TicTacButton.
// This vector is used by the TicTacGameBoard class defined below.
typedef QPtrVector<TicTacButton> TicTacButtons;
typedef QMemArray<int> TicTacArray;
// --------------------------------------------------------------------------
// TicTacGameBoard implements the tic-tac-toe game board.
// TicTacGameBoard is a composite widget that contains N x N TicTacButtons.
// N is specified in the constructor.
//
class TicTacGameBoard : public QWidget
{
Q_OBJECT
public:
TicTacGameBoard( int n, QWidget *parent=0, const char *name=0 );
~TicTacGameBoard();
enum State { Init, HumansTurn, HumanWon, ComputerWon, NobodyWon };
State state() const { return st; }
void computerStarts( bool v );
void newGame();
signals:
void finished(); // game finished
private slots:
void buttonClicked();
private:
void setState( State state ) { st = state; }
void updateButtons();
int checkBoard( TicTacArray * );
void computerMove();
State st;
int nBoard;
bool comp_starts;
TicTacArray *btArray;
TicTacButtons *buttons;
};
// --------------------------------------------------------------------------
// TicTacToe implements the complete game.
// TicTacToe is a composite widget that contains a TicTacGameBoard and
// two push buttons for starting the game and quitting.
//
class TicTacToe : public QWidget
{
Q_OBJECT
public:
TicTacToe( int boardSize=3, QWidget *parent=0, const char *name=0 );
private slots:
void newGameClicked();
void gameOver();
private:
void newState();
QComboBox *whoStarts;
QPushButton *newGame;
QPushButton *quit;
QLabel *message;
TicTacGameBoard *board;
};
#endif // TICTAC_H
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