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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > Conway's Game of Life< / h1 >
< p >
< hr >
< p > Header file:
< p > < pre > /****************************************************************************
** $Id: qt/life.h 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef LIFE_H
#define LIFE_H
#include < < a href = "qframe-h.html" > ntqframe.h< / a > >
class LifeWidget : public < a href = "ntqframe.html" > TQFrame< / a >
{
< a href = "metaobjects.html#TQ_OBJECT" > TQ_OBJECT< / a >
public:
LifeWidget( int s = 10, TQWidget *parent = 0, const char *name = 0 );
void setPoint( int i, int j );
int maxCol() { return maxi; }
int maxRow() { return maxj; }
public slots:
void nextGeneration();
void clear();
protected:
virtual void paintEvent( < a href = "qpaintevent.html" > TQPaintEvent< / a > * );
virtual void mouseMoveEvent( < a href = "qmouseevent.html" > TQMouseEvent< / a > * );
virtual void mousePressEvent( < a href = "qmouseevent.html" > TQMouseEvent< / a > * );
virtual void resizeEvent( < a href = "qresizeevent.html" > TQResizeEvent< / a > * );
void mouseHandle( const < a href = "ntqpoint.html" > TQPoint< / a > & pos );
private:
enum { MAXSIZE = 50, MINSIZE = 10, BORDER = 5 };
bool cells[2][MAXSIZE + 2][MAXSIZE + 2];
int current;
int maxi, maxj;
int pos2index( int x )
{
return ( x - BORDER ) / SCALE + 1;
}
int index2pos( int i )
{
return ( i - 1 ) * SCALE + BORDER;
}
int SCALE;
};
#endif // LIFE_H
< / pre >
< p > < hr >
< p > Implementation:
< p > < pre > /****************************************************************************
** $Id: qt/life.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "life.h"
#include < < a href = "qpainter-h.html" > ntqpainter.h< / a > >
#include < < a href = "qdrawutil-h.html" > ntqdrawutil.h< / a > >
#include < < a href = "qcheckbox-h.html" > ntqcheckbox.h< / a > >
#include < < a href = "qevent-h.html" > ntqevent.h< / a > >
#include < < a href = "qapplication-h.html" > ntqapplication.h< / a > >
// The main game of life widget
< a name = "f517" > < / a > LifeWidget::LifeWidget( int s, TQWidget *parent, const char *name )
: < a href = "ntqframe.html" > TQFrame< / a > ( parent, name )
{
SCALE = s;
maxi = maxj = 50;
< a href = "ntqwidget.html#setMinimumSize" > setMinimumSize< / a > ( MINSIZE * SCALE + 2 * BORDER,
MINSIZE * SCALE + 2 * BORDER );
< a href = "ntqwidget.html#setMaximumSize" > setMaximumSize< / a > ( MAXSIZE * SCALE + 2 * BORDER,
MAXSIZE * SCALE + 2 * BORDER );
< a href = "ntqwidget.html#setSizeIncrement" > setSizeIncrement< / a > ( SCALE, SCALE);
clear();
< a href = "ntqwidget.html#resize" > resize< / a > ( maxi * SCALE + 2 * BORDER , maxj * SCALE + 2 * BORDER );
}
void < a name = "f518" > < / a > LifeWidget::clear()
{
current = 0;
for ( int t = 0; t < 2; t++ )
for ( int i = 0; i < MAXSIZE + 2; i++ )
for ( int j = 0; j < MAXSIZE + 2; j++ )
cells[t][i][j] = FALSE;
< a href = "ntqwidget.html#repaint" > repaint< / a > ();
}
// We assume that the size will never be beyond the maximum size set
// this is not in general TRUE, but in practice it's good enough for
// this program
< a name = "x1889" > < / a > void LifeWidget::< a href = "ntqframe.html#resizeEvent" > resizeEvent< / a > ( < a href = "qresizeevent.html" > TQResizeEvent< / a > * e )
{
< a name = "x1895" > < / a > maxi = (e-> < a href = "qresizeevent.html#size" > size< / a > ().width() - 2 * BORDER) / SCALE;
maxj = (e-> < a href = "qresizeevent.html#size" > size< / a > ().height() - 2 * BORDER) / SCALE;
}
void < a name = "f519" > < / a > LifeWidget::setPoint( int i, int j )
{
if ( i < 1 || i > maxi || j < 1 || j > maxi )
return;
cells[current][i][j] = TRUE;
< a href = "ntqwidget.html#repaint" > repaint< / a > ( index2pos(i), index2pos(j), SCALE, SCALE, FALSE );
}
void < a name = "f520" > < / a > LifeWidget::mouseHandle( const < a href = "ntqpoint.html" > TQPoint< / a > & pos )
{
< a name = "x1893" > < / a > int i = pos2index( pos.< a href = "ntqpoint.html#x" > x< / a > () );
< a name = "x1894" > < / a > int j = pos2index( pos.< a href = "ntqpoint.html#y" > y< / a > () );
setPoint( i, j );
}
< a name = "x1896" > < / a > void LifeWidget::< a href = "ntqwidget.html#mouseMoveEvent" > mouseMoveEvent< / a > ( < a href = "qmouseevent.html" > TQMouseEvent< / a > *e )
{
< a name = "x1891" > < / a > mouseHandle( e-> < a href = "qmouseevent.html#pos" > pos< / a > () );
}
< a name = "x1897" > < / a > void LifeWidget::< a href = "ntqwidget.html#mousePressEvent" > mousePressEvent< / a > ( < a href = "qmouseevent.html" > TQMouseEvent< / a > *e )
{
< a name = "x1890" > < / a > if ( e-> < a href = "qmouseevent.html#button" > button< / a > () == TQMouseEvent::LeftButton )
mouseHandle( e-> < a href = "qmouseevent.html#pos" > pos< / a > () );
}
void < a name = "f521" > < / a > LifeWidget::nextGeneration()
{
for ( int i = 1; i < = MAXSIZE; i++ ) {
for ( int j = 1; j < = MAXSIZE; j++ ) {
int t = cells[current][i - 1][j - 1]
+ cells[current][i - 1][j]
+ cells[current][i - 1][j + 1]
+ cells[current][i][j - 1]
+ cells[current][i][j + 1]
+ cells[current][i + 1][j - 1]
+ cells[current][i + 1][j]
+ cells[current][i + 1][j + 1];
cells[!current][i][j] = ( t == 3 ||
t == 2 & & cells[current][i][j] );
}
}
current = !current;
< a href = "ntqwidget.html#repaint" > repaint< / a > ( FALSE ); // repaint without erase
}
< a name = "x1888" > < / a > void LifeWidget::< a href = "ntqframe.html#paintEvent" > paintEvent< / a > ( < a href = "qpaintevent.html" > TQPaintEvent< / a > * e )
{
< a name = "x1892" > < / a > int starti = pos2index( e-> < a href = "qpaintevent.html#rect" > rect< / a > ().left() );
int stopi = pos2index( e-> < a href = "qpaintevent.html#rect" > rect< / a > ().right() );
int startj = pos2index( e-> < a href = "qpaintevent.html#rect" > rect< / a > ().top() );
int stopj = pos2index( e-> < a href = "qpaintevent.html#rect" > rect< / a > ().bottom() );
if (stopi > maxi)
stopi = maxi;
if (stopj > maxj)
stopj = maxj;
< a href = "ntqpainter.html" > TQPainter< / a > paint( this );
for ( int i = starti; i < = stopi; i++ ) {
for ( int j = startj; j < = stopj; j++ ) {
if ( cells[current][i][j] )
< a href = "ntqpainter.html#qDrawShadePanel" > qDrawShadePanel< / a > ( & paint, index2pos( i ), index2pos( j ),
SCALE - 1, SCALE - 1, colorGroup() );
else if ( cells[!current][i][j] )
< a href = "ntqwidget.html#erase" > erase< / a > (index2pos( i ), index2pos( j ), SCALE - 1, SCALE - 1);
}
}
< a href = "ntqframe.html#drawFrame" > drawFrame< / a > ( & paint );
}
< / pre >
< p > < hr >
< p > Main:
< p > < pre > /****************************************************************************
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "lifedlg.h"
#include < < a href = "qapplication-h.html" > ntqapplication.h< / a > >
#include < stdlib.h>
void usage()
{
< a href = "ntqapplication.html#qWarning" > tqWarning< / a > ( "Usage: life [-scale scale]" );
}
int main( int argc, char **argv )
{
< a href = "ntqapplication.html" > TQApplication< / a > a( argc, argv );
int scale = 10;
for ( int i = 1; i < argc; i++ ){
< a href = "ntqstring.html" > TQString< / a > arg = argv[i];
if ( arg == "-scale" )
scale = atoi( argv[++i] );
else {
usage();
exit(1);
}
}
if ( scale < 2 )
scale = 2;
LifeDialog *life = new LifeDialog( scale );
a.< a href = "ntqapplication.html#setMainWidget" > setMainWidget< / a > ( life );
life-> < a href = "ntqwidget.html#setCaption" > setCaption< / a > ("TQt Example - Life");
life-> < a href = "ntqwidget.html#show" > show< / a > ();
return a.< a href = "ntqapplication.html#exec" > exec< / a > ();
}
< / pre >
< p > See also < a href = "examples.html" > Examples< / a > .
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