File indexing completed on 2024-06-16 08:27:26

0001 /***************************************************************************
0002  *   Copyright (C) 2005-2006 by Jonathan Myers and David Saxton            *
0003  *   electronerd@electronerdia.net david@bluehaze.org                      *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  ***************************************************************************/
0010 
0011 #ifndef SCOPEVIEWBASE_H
0012 #define SCOPEVIEWBASE_H
0013 
0014 #include <QFrame>
0015 
0016 class Oscilloscope;
0017 class Simulator;
0018 class ProbeData;
0019 class LogicProbeData;
0020 class FloatingProbeData;
0021 
0022 class QMouseEvent;
0023 class QPaintEvent;
0024 class QPixmap;
0025 class QTimer;
0026 
0027 typedef long long llong;
0028 
0029 /// base class of oscilloscope views
0030 /**
0031  *
0032  * This is a refactoring of OscilloscopeView and my ScopeScreenView to promote
0033  * code reuse, both between the classes and within them. This is an abstract
0034  * class.
0035  * @author John Myers
0036  * @author David Saxton
0037  *
0038  */
0039 class ScopeViewBase : public QFrame
0040 {
0041     Q_OBJECT
0042 public:
0043     ScopeViewBase(QWidget *parent = nullptr);
0044     virtual void drawBackground(QPainter &p) = 0;
0045     void resizeEvent(QResizeEvent *event) override;
0046     void updateOutputHeight();
0047 
0048     ~ScopeViewBase() override;
0049 
0050 protected:
0051     /// Draw the horizontal line indicating the midpoint of our output for \c probe
0052     virtual void drawMidLine(QPainter &p, ProbeData *probe) = 0;
0053 
0054     ///\TODO: remove virtual; draw one logic probe
0055     virtual void drawProbe(QPainter &p, LogicProbeData *probe) = 0;
0056     ///\TODO: remove virtual; draw one floating-point probe
0057     virtual void drawProbe(QPainter &p, FloatingProbeData *probe) = 0;
0058 
0059     /// gives the first Simulator tick visible in the view
0060     virtual llong visibleStartTime() const = 0;
0061     /// gives the last Simulator tick visible in the view
0062     virtual llong visibleEndTime() const = 0;
0063 
0064     virtual double ticksPerPixel() const = 0;
0065     virtual llong pixelsPerTick() const = 0;
0066 
0067     bool b_needRedraw;
0068     QPixmap *m_pixmap;
0069     double m_halfOutputHeight;
0070 
0071 private:
0072     /// draws a mapping of probes
0073     template<typename T> void drawProbeMap(QPainter &p, QMap<int, T *> &map);
0074     void paintEvent(QPaintEvent *event) override;
0075 };
0076 
0077 #endif