]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef SIGVIEW_H | |
22 | #define SIGVIEW_H | |
23 | ||
24 | #include <QtOpenGL/QGLWidget> | |
25 | #include <QTimer> | |
26 | ||
27 | class QPainter; | |
28 | class QPaintEvent; | |
29 | class SigSession; | |
30 | ||
31 | class SigView : public QGLWidget | |
32 | { | |
33 | Q_OBJECT | |
34 | ||
35 | private: | |
36 | static const int SignalHeight; | |
37 | static const int LabelMarginWidth; | |
38 | static const int RulerHeight; | |
39 | ||
40 | static const int MinorTickSubdivision; | |
41 | static const int ScaleUnits[3]; | |
42 | ||
43 | static const QString SIPrefixes[9]; | |
44 | static const int FirstSIPrefixPower; | |
45 | ||
46 | public: | |
47 | explicit SigView(SigSession &session, QWidget *parent = 0); | |
48 | ||
49 | protected: | |
50 | ||
51 | void initializeGL(); | |
52 | ||
53 | void resizeGL(int width, int height); | |
54 | ||
55 | void paintEvent(QPaintEvent *event); | |
56 | ||
57 | private: | |
58 | void mousePressEvent(QMouseEvent *event); | |
59 | void mouseMoveEvent(QMouseEvent *event); | |
60 | void mouseReleaseEvent(QMouseEvent *event); | |
61 | void wheelEvent(QWheelEvent *event); | |
62 | ||
63 | private: | |
64 | void setupViewport(int width, int height); | |
65 | ||
66 | void paintRuler(QPainter &p); | |
67 | ||
68 | private slots: | |
69 | void dataUpdated(); | |
70 | ||
71 | private: | |
72 | SigSession &_session; | |
73 | ||
74 | double _scale; | |
75 | double _offset; | |
76 | ||
77 | QPoint _mouse_down_point; | |
78 | double _mouse_down_offset; | |
79 | }; | |
80 | ||
81 | #endif // SIGVIEW_H |