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6fa02541 JH |
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 | ||
d7002724 JH |
24 | #include <QtOpenGL/QGLWidget> |
25 | #include <QTimer> | |
6fa02541 | 26 | |
e9c41f8c | 27 | class QPainter; |
3e46726a | 28 | class QPaintEvent; |
009e1503 JH |
29 | class SigSession; |
30 | ||
d7002724 | 31 | class SigView : public QGLWidget |
6fa02541 JH |
32 | { |
33 | Q_OBJECT | |
e3f65ace JH |
34 | |
35 | private: | |
36 | static const int SignalHeight; | |
3e46726a | 37 | static const int LabelMarginWidth; |
e9c41f8c JH |
38 | static const int RulerHeight; |
39 | ||
438440ea | 40 | static const int MinorTickSubdivision; |
e9c41f8c | 41 | static const int ScaleUnits[3]; |
e3f65ace | 42 | |
22016ad3 JH |
43 | static const QString SIPrefixes[9]; |
44 | static const int FirstSIPrefixPower; | |
45 | ||
6fa02541 | 46 | public: |
009e1503 | 47 | explicit SigView(SigSession &session, QWidget *parent = 0); |
d7002724 JH |
48 | |
49 | protected: | |
50 | ||
51 | void initializeGL(); | |
52 | ||
53 | void resizeGL(int width, int height); | |
54 | ||
3e46726a | 55 | void paintEvent(QPaintEvent *event); |
d7002724 | 56 | |
7cd5faf8 | 57 | private: |
7cd5faf8 | 58 | void mousePressEvent(QMouseEvent *event); |
1dd95c70 | 59 | void mouseMoveEvent(QMouseEvent *event); |
7cd5faf8 | 60 | void mouseReleaseEvent(QMouseEvent *event); |
1dd95c70 | 61 | void wheelEvent(QWheelEvent *event); |
7cd5faf8 | 62 | |
3e46726a JH |
63 | private: |
64 | void setupViewport(int width, int height); | |
65 | ||
e9c41f8c JH |
66 | void paintRuler(QPainter &p); |
67 | ||
009e1503 JH |
68 | private slots: |
69 | void dataUpdated(); | |
70 | ||
71 | private: | |
72 | SigSession &_session; | |
3b18c57d | 73 | |
fb0d32cb JH |
74 | double _scale; |
75 | double _offset; | |
1dd95c70 JH |
76 | |
77 | QPoint _mouse_down_point; | |
78 | double _mouse_down_offset; | |
6fa02541 JH |
79 | }; |
80 | ||
81 | #endif // SIGVIEW_H |