#include <QDateTime>#include <QPaintEvent>#include <QPainter>#include <QTimer>#include <stdio.h>#include "field.h"extern "C"{	#include "connect.h"};extern "C"{	void getPos( int *x, int *y);};Field::Field( QWidget* parent )	:QWidget( parent ){		bTransSignal = false;	bWait = true;		timer = new QTimer(this);	timer->start(4);	timeCount = 0;		connect(timer, SIGNAL(timeout()), this, SLOT(move()));		setPalette(QPalette(QColor(250, 250, 200)));    	setAutoFillBackground(true);}void Field::paintEvent( QPaintEvent* event )	{	QPainter painter(this);    	painter.setPen(Qt::NoPen);    	painter.setBrush(Qt::blue);	int x; 	int y;	int radious = 25		getPos( &x, &y );	painter.drawRoundRect( x- radious - 800, y - radious, 2*radious, 2*radious );} void Field::move(){		int x; 	int y;	getPos( &x, &y );	update( 0, 0, 400, 400 );}