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- /****************************************************************************
- ** $Id: qt/display.h 3.0.3 edited Oct 12 12:18 $
- **
- ** Copyright (C) 1992-2000 Trolltech AS. 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 { MaxSamples = 500, Range = 100, FrameWidth = 3 };
- Screen( QWidget *parent=0, const char *name=0 );
-
- void animate();
-
- public slots:
- void setStep( int s );
-
- protected:
- virtual void drawContents( QPainter * );
-
- private:
- int yval[ MaxSamples ];
- 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, Radius = 100 };
- 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
-