source: flair-src/trunk/tools/FlairGCS/src/Scope.h@ 15

Last change on this file since 15 was 15, checked in by Bayard Gildas, 9 years ago

sources reformatted with flair-format-dir script

File size: 1.5 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#ifndef SCOPE_H_INCLUDED
6#define SCOPE_H_INCLUDED
7
8#include <qwt_plot.h>
9#include <QPen>
10
11class ScrollBar;
12class QwtPlotCurve;
13class QwtPlotItem;
14class QMouseEvent;
15
16class Scope : public QwtPlot {
17 Q_OBJECT
18
19public:
20 Scope(QString title, float ymin, float ymax, float view_size_s = 20,
21 unsigned int refresh_rate_ms = 40, unsigned int history_size = 20000);
22 ~Scope();
23 int addCurve(QPen pen, QString legend);
24 void resetXView(void);
25 void resetYView(void);
26
27protected:
28 struct Curve {
29 QwtPlotCurve *plot;
30 double *data_x;
31 double *data_y;
32 unsigned int index;
33 unsigned int min_index;
34 unsigned int max_index;
35 };
36 QList<Curve *> curves;
37 float elapsed_time_s;
38
39 void updateCurve(Curve *curve);
40 bool eventFilter(QObject *, QEvent *);
41
42private:
43 float ymin, ymax;
44 float view_size_s, orig_view_size_s;
45 unsigned int history_size;
46 ScrollBar *scrollbar;
47 bool scrolling;
48 float min_scroll, max_scroll;
49
50 void alignScales(void);
51 void showCurve(QwtPlotItem *item, bool on);
52 void computeMinIndex(Curve *curve, float displayed_min_time);
53 void computeMaxIndex(Curve *curve, float displayed_max_time);
54 void changeViewSize(float new_view_size_s);
55
56private slots:
57 void legendChecked(const QVariant &itemInfo, bool on);
58 void scrollBarMoved(Qt::Orientation o, float min, float max);
59};
60
61#endif // SCOPE_H_INCLUDED
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