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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 | ||
cdf7bea7 JH |
21 | #ifndef PV_VIEW_VIEWPORT_H |
22 | #define PV_VIEW_VIEWPORT_H | |
6fa02541 | 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 | ||
cdf7bea7 JH |
31 | namespace pv { |
32 | namespace view { | |
33 | ||
34 | class View; | |
35 | ||
36 | class Viewport : public QGLWidget | |
6fa02541 JH |
37 | { |
38 | Q_OBJECT | |
e3f65ace JH |
39 | |
40 | private: | |
41 | static const int SignalHeight; | |
e9c41f8c | 42 | |
438440ea | 43 | static const int MinorTickSubdivision; |
e9c41f8c | 44 | static const int ScaleUnits[3]; |
e3f65ace | 45 | |
22016ad3 JH |
46 | static const QString SIPrefixes[9]; |
47 | static const int FirstSIPrefixPower; | |
48 | ||
6fa02541 | 49 | public: |
cdf7bea7 | 50 | explicit Viewport(View &parent); |
d7002724 | 51 | |
adb4b10c | 52 | int get_total_height() const; |
a429590b | 53 | |
d7002724 | 54 | protected: |
d7002724 JH |
55 | void initializeGL(); |
56 | ||
57 | void resizeGL(int width, int height); | |
58 | ||
3e46726a | 59 | void paintEvent(QPaintEvent *event); |
d7002724 | 60 | |
7cd5faf8 | 61 | private: |
7cd5faf8 | 62 | void mousePressEvent(QMouseEvent *event); |
1dd95c70 | 63 | void mouseMoveEvent(QMouseEvent *event); |
7cd5faf8 | 64 | void mouseReleaseEvent(QMouseEvent *event); |
1dd95c70 | 65 | void wheelEvent(QWheelEvent *event); |
7cd5faf8 | 66 | |
3e46726a | 67 | private: |
04abfae9 | 68 | void setup_viewport(int width, int height); |
3e46726a | 69 | |
04abfae9 | 70 | void paint_ruler(QPainter &p); |
e9c41f8c | 71 | |
009e1503 | 72 | private: |
cdf7bea7 | 73 | View &_view; |
1dd95c70 JH |
74 | |
75 | QPoint _mouse_down_point; | |
76 | double _mouse_down_offset; | |
6fa02541 JH |
77 | }; |
78 | ||
cdf7bea7 JH |
79 | } // namespace view |
80 | } // namespace pv | |
81 | ||
82 | #endif // PV_VIEW_VIEWPORT_H |