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94 lines
1.8 KiB
94 lines
1.8 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 Qt. 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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#ifndef DISPLAY_H
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#define DISPLAY_H
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#ifndef QT_H
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#include <qwidget.h>
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#include <qframe.h>
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#endif // QT_H
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class QTimer;
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class QDial;
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class QLCDNumber;
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class QProgressBar;
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class QSpinBox;
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class Screen;
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class Curve;
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class DisplayWidget : public QWidget {
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Q_OBJECT
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public:
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DisplayWidget( QWidget *parent=0, const char *name=0 );
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void run();
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void stop();
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protected:
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virtual void showEvent( QShowEvent * );
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virtual void hideEvent( QHideEvent * );
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private slots:
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void tick();
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private:
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Screen *screen;
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QDial *dial;
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Curve *curve;
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QSpinBox *spin;
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QLCDNumber *lcd;
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int lcdval;
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QProgressBar *bar;
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int tbar;
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QTimer *timer;
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};
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class Screen : public QFrame {
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Q_OBJECT
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public:
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enum { FrameWidth = 3 };
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Screen( QWidget *parent=0, const char *name=0 );
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~Screen();
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void animate();
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public slots:
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void setStep( int s );
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protected:
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virtual void drawContents( QPainter * );
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virtual void resizeEvent( QResizeEvent * );
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private:
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int *yval;
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int pos0; // buffer pointer for x == 0
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int t0; // time parameter at x == 0
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int step;
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};
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class Curve : public QFrame {
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Q_OBJECT
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enum { FrameWidth = 3 };
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public:
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Curve( QWidget *parent=0, const char *name=0 );
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void animate();
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public slots:
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void setFactor( int );
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protected:
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virtual void drawContents( QPainter * );
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private:
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int shift, n;
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};
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#endif // PLOT_H
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