This page was last modified on 30 October 2009, at 16:07.
Creating Tic-Tac-Toe using Qt for Symbian
From Forum Nokia Wiki
Reviewer Approved 
| ID | ... | Creation date | 03 February 2009 |
| Platform | S60 3rd Edition FP1, S60 3rd Edition FP2, S60 5th Edition | Tested on devices | Emulator |
| Category | Qt for Symbian | Subcategory | Game |
| Keywords (APIs, classes, methods, functions): QPushButton |
Overview
This article demonstrates how to create a simple tic-tac-toe game in Qt for Symbian. All of you might be familiar with this game so there is no point in explaining the rules here. And the code of the game is also self explanatory.
Preconditions
- Download and Install latest version Qt for Symbian - Installation packages which has links on how to install the latest version
Source File
#include "tictactoe.h"
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
tictactoe::tictactoe(QWidget *parent)
: QWidget(parent)
{
layout = new QVBoxLayout(this);
rw1 = new QHBoxLayout(this);
rw2 = new QHBoxLayout(this);
rw3 = new QHBoxLayout(this);
flag=1;
button11 = new QPushButton(this);
button12 = new QPushButton(this);
button13 = new QPushButton(this);
button21 = new QPushButton(this);
button22 = new QPushButton(this);
button23 = new QPushButton(this);
button31 = new QPushButton(this);
button32 = new QPushButton(this);
button33 = new QPushButton(this);
setStyleSheet("* { background-color:rgb(199,147,88); padding: 7px ; color:rgb(255,255,255)}");
connect(button11,SIGNAL(clicked()),this,SLOT(mark_button11()));
connect(button12,SIGNAL(clicked()),this,SLOT(mark_button12()));
connect(button13,SIGNAL(clicked()),this,SLOT(mark_button13()));
connect(button21,SIGNAL(clicked()),this,SLOT(mark_button21()));
connect(button22,SIGNAL(clicked()),this,SLOT(mark_button22()));
connect(button23,SIGNAL(clicked()),this,SLOT(mark_button23()));
connect(button31,SIGNAL(clicked()),this,SLOT(mark_button31()));
connect(button32,SIGNAL(clicked()),this,SLOT(mark_button32()));
connect(button33,SIGNAL(clicked()),this,SLOT(mark_button33()));
rw1->addWidget(button11);
rw1->addWidget(button12);
rw1->addWidget(button13);
rw2->addWidget(button21);
rw2->addWidget(button22);
rw2->addWidget(button23);
rw3->addWidget(button31);
rw3->addWidget(button32);
rw3->addWidget(button33);
layout->addLayout(rw1);
layout->addLayout(rw2);
layout->addLayout(rw3);
setLayout(layout);
}
tictactoe::~tictactoe()
{
// No need to delete any object that got a parent that is properly deleted.
}
void tictactoe::mark_button11()
{
if(flag==1)
{flag=0;
button11->setText("X");
b11=1;
}
else
{flag=1;
b11=0;
button11->setText("O");
}
button11->setDisabled(1);
check_winner();
}
void tictactoe::mark_button12()
{
if(flag==1)
{flag=0;
b12=1;
button12->setText("X");
}
else
{flag=1;
button12->setText("O");
b12=0;
}
check_winner();
button12->setDisabled(1);
}
void tictactoe::mark_button13()
{
if(flag==1)
{flag=0;
b13=1;
button13->setText("X");
}
else
{flag=1;
button13->setText("O");
b13=0;
}
check_winner();
button13->setDisabled(1);
}
void tictactoe::mark_button21()
{
if(flag==1)
{flag=0;
button21->setText("X");
b21=1;
}
else
{flag=1;
button21->setText("O");
b21=0;
}
check_winner();
button21->setDisabled(1);
}
void tictactoe::mark_button22()
{
if(flag==1)
{flag=0;
button22->setText("X");
b22=1;
}
else
{flag=1;
b22=0;
button22->setText("O");
}
check_winner();
button22->setDisabled(1);
}
void tictactoe::mark_button23()
{
if(flag==1)
{flag=0;
b23=1;
button23->setText("X");
}
else
{flag=1;
b23=0;
button23->setText("O");
}
check_winner();
button23->setDisabled(1);
}
void tictactoe::mark_button31()
{
if(flag==1)
{flag=0;
b31=1;
button31->setText("X");
}
else
{flag=1;
b31=0;
button31->setText("O");
}
check_winner();
button31->setDisabled(1);
}
void tictactoe::mark_button32()
{
if(flag==1)
{flag=0;
b32=1;
button32->setText("X");
}
else
{flag=1;
b32=0;
button32->setText("O");
}
check_winner();
button32->setDisabled(1);
}
void tictactoe::mark_button33()
{
if(flag==1)
{flag=0;
b33=1;
button33->setText("X");
}
else
{flag=1;
b33=0;
button33->setText("O");
}
check_winner();
button33->setDisabled(1);
}
void tictactoe::check_winner()
{
if ((b11==1 && b12==1 && b13==1)||(b21==1 && b22==1 && b23==1)||(b31==1 && b32==1 && b33==1)||(b31==1 && b22==1 && b13==1)||(b11==1 && b22==1 && b33==1)||(b31==1 && b21==1 && b11==1)||(b12==1 && b32==1 && b22==1)||(b13==1 && b23==1 && b33==1))
{
msgbox = new QMessageBox(this);
msgbox->setText("Player 1 Win ");
msgbox->setStyleSheet("* { background-color:rgb(199,147,88); padding: 7px ; color:rgb(255,255,255)}");
msgbox->exec();
qApp->quit();
}
if ((b11==0 && b12==0 && b13==0)||(b21==0 && b22==0 && b23==0)||(b31==0 && b32==0 && b33==0)||(b31==0 && b22==0 && b13==0)||(b11==0 && b22==0 && b33==0)||(b31==0 && b21==0 && b11==0)||(b12==0 && b32==0 && b22==0)||(b13==0 && b23==0 && b33==0))
{msgbox = new QMessageBox(this);
msgbox->setText("Player 2 Win ");
msgbox->setStyleSheet("* { background-color:rgb(199,147,88); padding: 7px ; color:rgb(255,255,255)}");
msgbox->exec();
qApp->quit();
}
}
Header File
#ifndef TICTACTOE_H
#define TICTACTOE_H
#include <QtGui/QWidget>
#include "ui_tictactoe.h"
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QMessageBox>
class tictactoe : public QWidget
{
Q_OBJECT
public:
tictactoe(QWidget *parent = 0);
bool flag;
int b11,b12,b13,b21,b22,b23,b31,b32,b33;
~tictactoe();
private slots:
void mark_button11();
void mark_button12();
void mark_button13();
void mark_button21();
void mark_button22();
void mark_button23();
void mark_button31();
void mark_button32();
void mark_button33();
void check_winner();
private:
QVBoxLayout *layout;
QHBoxLayout *rw1;
QHBoxLayout *rw2;
QHBoxLayout *rw3;
QMessageBox *msgbox;
QPushButton *button11;
QPushButton *button12;
QPushButton *button13;
QPushButton *button21;
QPushButton *button22;
QPushButton *button23;
QPushButton *button31;
QPushButton *button32;
QPushButton *button33;
};
#endif // TICTACTOE_H
Screenshots
Download
- Download the working example from this link: tictactoe.zip
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