Archived:Creating Tic-Tac-Toe using QWidgets
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Qt Quick should be used for all UI development on mobile devices. The approach described in this article (based on QWidget) is deprecated.
Qt Quick should be used for all UI development on mobile devices. The approach described in this article (based on QWidget) is deprecated.
This article demonstrates how to create a simple tic-tac-toe game using QWidgets. The game rules are well known and the implementation is self-explanatory - hence these are not explained here.
Article Metadata
Code Example
Source file: Media:tictactoe.zip
Tested with
Devices(s): Emulator
Compatibility
Platform(s): S60 3rd Edition FP1, S60 3rd Edition FP2, S60 5th Edition
Platform Security
Signing Required: Self-Signed
Capabilities: None
Article
Keywords: QPushButton
Created: james1980
(03 Feb 2009)
Last edited: hamishwillee
(11 Oct 2012)
Contents |
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
