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137 lines
3.3 KiB
137 lines
3.3 KiB
/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include "life.h"
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#include <ntqpainter.h>
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#include <ntqdrawutil.h>
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#include <ntqcheckbox.h>
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#include <ntqevent.h>
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#include <ntqapplication.h>
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// The main game of life widget
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LifeWidget::LifeWidget( int s, TQWidget *parent, const char *name )
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: TQFrame( parent, name )
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{
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SCALE = s;
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maxi = maxj = 50;
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setMinimumSize( MINSIZE * SCALE + 2 * BORDER,
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MINSIZE * SCALE + 2 * BORDER );
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setMaximumSize( MAXSIZE * SCALE + 2 * BORDER,
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MAXSIZE * SCALE + 2 * BORDER );
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setSizeIncrement( SCALE, SCALE);
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clear();
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resize( maxi * SCALE + 2 * BORDER , maxj * SCALE + 2 * BORDER );
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}
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void LifeWidget::clear()
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{
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current = 0;
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for ( int t = 0; t < 2; t++ )
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for ( int i = 0; i < MAXSIZE + 2; i++ )
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for ( int j = 0; j < MAXSIZE + 2; j++ )
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cells[t][i][j] = FALSE;
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repaint();
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}
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// We assume that the size will never be beyond the maximum size set
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// this is not in general TRUE, but in practice it's good enough for
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// this program
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void LifeWidget::resizeEvent( TQResizeEvent * e )
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{
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maxi = (e->size().width() - 2 * BORDER) / SCALE;
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maxj = (e->size().height() - 2 * BORDER) / SCALE;
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}
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void LifeWidget::setPoint( int i, int j )
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{
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if ( i < 1 || i > maxi || j < 1 || j > maxi )
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return;
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cells[current][i][j] = TRUE;
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repaint( index2pos(i), index2pos(j), SCALE, SCALE, FALSE );
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}
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void LifeWidget::mouseHandle( const TQPoint &pos )
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{
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int i = pos2index( pos.x() );
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int j = pos2index( pos.y() );
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setPoint( i, j );
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}
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void LifeWidget::mouseMoveEvent( TQMouseEvent *e )
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{
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mouseHandle( e->pos() );
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}
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void LifeWidget::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button() == TQMouseEvent::LeftButton )
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mouseHandle( e->pos() );
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}
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void LifeWidget::nextGeneration()
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{
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for ( int i = 1; i <= MAXSIZE; i++ ) {
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for ( int j = 1; j <= MAXSIZE; j++ ) {
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int t = cells[current][i - 1][j - 1]
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+ cells[current][i - 1][j]
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+ cells[current][i - 1][j + 1]
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+ cells[current][i][j - 1]
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+ cells[current][i][j + 1]
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+ cells[current][i + 1][j - 1]
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+ cells[current][i + 1][j]
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+ cells[current][i + 1][j + 1];
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cells[!current][i][j] = ( t == 3 ||
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t == 2 && cells[current][i][j] );
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}
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}
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current = !current;
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repaint( FALSE ); // repaint without erase
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}
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void LifeWidget::paintEvent( TQPaintEvent * e )
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{
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int starti = pos2index( e->rect().left() );
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int stopi = pos2index( e->rect().right() );
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int startj = pos2index( e->rect().top() );
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int stopj = pos2index( e->rect().bottom() );
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if (stopi > maxi)
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stopi = maxi;
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if (stopj > maxj)
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stopj = maxj;
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TQPainter paint( this );
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for ( int i = starti; i <= stopi; i++ ) {
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for ( int j = startj; j <= stopj; j++ ) {
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if ( cells[current][i][j] )
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qDrawShadePanel( &paint, index2pos( i ), index2pos( j ),
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SCALE - 1, SCALE - 1, colorGroup() );
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else if ( cells[!current][i][j] )
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erase(index2pos( i ), index2pos( j ), SCALE - 1, SCALE - 1);
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}
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}
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drawFrame( &paint );
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}
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