diff options
Diffstat (limited to 'doc/html/life-example.html')
| -rw-r--r-- | doc/html/life-example.html | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/doc/html/life-example.html b/doc/html/life-example.html new file mode 100644 index 000000000..f07f6127f --- /dev/null +++ b/doc/html/life-example.html @@ -0,0 +1,298 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/life/life.doc:4 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Conway's Game of Life</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td valign=center> + <a href="index.html"> +<font color="#004faf">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<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">qframe.h</a>> + + +class LifeWidget : public <a href="qframe.html">TQFrame</a> +{ + <a href="metaobjects.html#Q_OBJECT">Q_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="qpoint.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">qpainter.h</a>> +#include <<a href="qdrawutil-h.html">qdrawutil.h</a>> +#include <<a href="qcheckbox-h.html">qcheckbox.h</a>> +#include <<a href="qevent-h.html">qevent.h</a>> +#include <<a href="qapplication-h.html">qapplication.h</a>> + +// The main game of life widget + +<a name="f517"></a>LifeWidget::LifeWidget( int s, TQWidget *parent, const char *name ) + : <a href="qframe.html">TQFrame</a>( parent, name ) +{ + SCALE = s; + + maxi = maxj = 50; + <a href="qwidget.html#setMinimumSize">setMinimumSize</a>( MINSIZE * SCALE + 2 * BORDER, + MINSIZE * SCALE + 2 * BORDER ); + <a href="qwidget.html#setMaximumSize">setMaximumSize</a>( MAXSIZE * SCALE + 2 * BORDER, + MAXSIZE * SCALE + 2 * BORDER ); + <a href="qwidget.html#setSizeIncrement">setSizeIncrement</a>( SCALE, SCALE); + + clear(); + <a href="qwidget.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="qwidget.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="qframe.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="qwidget.html#repaint">repaint</a>( index2pos(i), index2pos(j), SCALE, SCALE, FALSE ); +} + + +void <a name="f520"></a>LifeWidget::mouseHandle( const <a href="qpoint.html">TQPoint</a> &pos ) +{ +<a name="x1893"></a> int i = pos2index( pos.<a href="qpoint.html#x">x</a>() ); +<a name="x1894"></a> int j = pos2index( pos.<a href="qpoint.html#y">y</a>() ); + setPoint( i, j ); +} + + +<a name="x1896"></a>void LifeWidget::<a href="qwidget.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="qwidget.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="qwidget.html#repaint">repaint</a>( FALSE ); // repaint without erase +} + + +<a name="x1888"></a>void LifeWidget::<a href="qframe.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="qpainter.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="qpainter.html#qDrawShadePanel">qDrawShadePanel</a>( &paint, index2pos( i ), index2pos( j ), + SCALE - 1, SCALE - 1, colorGroup() ); + else if ( cells[!current][i][j] ) + <a href="qwidget.html#erase">erase</a>(index2pos( i ), index2pos( j ), SCALE - 1, SCALE - 1); + } + } + <a href="qframe.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">qapplication.h</a>> +#include <stdlib.h> + +void usage() +{ + <a href="qapplication.html#qWarning">qWarning</a>( "Usage: life [-scale scale]" ); +} + +int main( int argc, char **argv ) +{ + <a href="qapplication.html">TQApplication</a> a( argc, argv ); + + int scale = 10; + + for ( int i = 1; i < argc; i++ ){ + <a href="qstring.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="qapplication.html#setMainWidget">setMainWidget</a>( life ); + life-><a href="qwidget.html#setCaption">setCaption</a>("TQt Example - Life"); + life-><a href="qwidget.html#show">show</a>(); + + return a.<a href="qapplication.html#exec">exec</a>(); +} +</pre> + +<p>See also <a href="examples.html">Examples</a>. + +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |