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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef DISPLAY_H
#define DISPLAY_H
#ifndef QT_H
#include <qwidget.h>
#include <qframe.h>
#endif // QT_H
class QTimer;
class QDial;
class QLCDNumber;
class QProgressBar;
class QSpinBox;
class Screen;
class Curve;
class DisplayWidget : public QWidget {
Q_OBJECT
public:
DisplayWidget( QWidget *parent=0, const char *name=0 );
void run();
void stop();
protected:
virtual void showEvent( QShowEvent * );
virtual void hideEvent( QHideEvent * );
private slots:
void tick();
private:
Screen *screen;
QDial *dial;
Curve *curve;
QSpinBox *spin;
QLCDNumber *lcd;
int lcdval;
QProgressBar *bar;
int tbar;
QTimer *timer;
};
class Screen : public QFrame {
Q_OBJECT
public:
enum { FrameWidth = 3 };
Screen( QWidget *parent=0, const char *name=0 );
~Screen();
void animate();
public slots:
void setStep( int s );
protected:
virtual void drawContents( QPainter * );
virtual void resizeEvent( QResizeEvent * );
private:
int *yval;
int pos0; // buffer pointer for x == 0
int t0; // time parameter at x == 0
int step;
};
class Curve : public QFrame {
Q_OBJECT
enum { FrameWidth = 3 };
public:
Curve( QWidget *parent=0, const char *name=0 );
void animate();
public slots:
void setFactor( int );
protected:
virtual void drawContents( QPainter * );
private:
int shift, n;
};
#endif // PLOT_H
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