/**************************************************************************** ** ** Copyright (C) 1992-2008 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 <ntqpainter.h> #include <ntqdrawutil.h> #include <ntqcheckbox.h> #include <ntqevent.h> #include <ntqapplication.h> // The main game of life widget LifeWidget::LifeWidget( int s, TQWidget *parent, const char *name ) : TQFrame( parent, name ) { SCALE = s; maxi = maxj = 50; setMinimumSize( MINSIZE * SCALE + 2 * BORDER, MINSIZE * SCALE + 2 * BORDER ); setMaximumSize( MAXSIZE * SCALE + 2 * BORDER, MAXSIZE * SCALE + 2 * BORDER ); setSizeIncrement( SCALE, SCALE); clear(); resize( maxi * SCALE + 2 * BORDER , maxj * SCALE + 2 * BORDER ); } void 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; repaint(); } // 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 void LifeWidget::resizeEvent( TQResizeEvent * e ) { maxi = (e->size().width() - 2 * BORDER) / SCALE; maxj = (e->size().height() - 2 * BORDER) / SCALE; } void LifeWidget::setPoint( int i, int j ) { if ( i < 1 || i > maxi || j < 1 || j > maxi ) return; cells[current][i][j] = TRUE; repaint( index2pos(i), index2pos(j), SCALE, SCALE, FALSE ); } void LifeWidget::mouseHandle( const TQPoint &pos ) { int i = pos2index( pos.x() ); int j = pos2index( pos.y() ); setPoint( i, j ); } void LifeWidget::mouseMoveEvent( TQMouseEvent *e ) { mouseHandle( e->pos() ); } void LifeWidget::mousePressEvent( TQMouseEvent *e ) { if ( e->button() == TQMouseEvent::LeftButton ) mouseHandle( e->pos() ); } void 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; repaint( FALSE ); // repaint without erase } void LifeWidget::paintEvent( TQPaintEvent * e ) { int starti = pos2index( e->rect().left() ); int stopi = pos2index( e->rect().right() ); int startj = pos2index( e->rect().top() ); int stopj = pos2index( e->rect().bottom() ); if (stopi > maxi) stopi = maxi; if (stopj > maxj) stopj = maxj; TQPainter paint( this ); for ( int i = starti; i <= stopi; i++ ) { for ( int j = startj; j <= stopj; j++ ) { if ( cells[current][i][j] ) qDrawShadePanel( &paint, index2pos( i ), index2pos( j ), SCALE - 1, SCALE - 1, colorGroup() ); else if ( cells[!current][i][j] ) erase(index2pos( i ), index2pos( j ), SCALE - 1, SCALE - 1); } } drawFrame( &paint ); }