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28a4c9c5 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
28a4c9c5 JH |
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 | ||
640d091b UH |
21 | #ifndef PULSEVIEW_PV_SIGNAL_H |
22 | #define PULSEVIEW_PV_SIGNAL_H | |
23 | ||
28a4c9c5 | 24 | #include <boost/shared_ptr.hpp> |
e3f65ace | 25 | |
3e46726a | 26 | #include <QPainter> |
e3f65ace | 27 | #include <QRect> |
28a4c9c5 | 28 | #include <QString> |
e3f65ace | 29 | |
28a4c9c5 JH |
30 | #include <stdint.h> |
31 | ||
51e77110 JH |
32 | namespace pv { |
33 | ||
28a4c9c5 JH |
34 | class SignalData; |
35 | ||
36 | class Signal | |
37 | { | |
3e46726a JH |
38 | private: |
39 | static const QSizeF LabelPadding; | |
a29bb7fb | 40 | static const int LabelHitPadding; |
3e46726a | 41 | |
28a4c9c5 | 42 | protected: |
2858b391 | 43 | Signal(QString name); |
28a4c9c5 JH |
44 | |
45 | public: | |
49f8ff3f JH |
46 | /** |
47 | * Gets the name of this signal. | |
48 | */ | |
28a4c9c5 JH |
49 | QString get_name() const; |
50 | ||
49f8ff3f JH |
51 | /** |
52 | * Sets the name of the signal. | |
53 | */ | |
54 | void set_name(QString name); | |
55 | ||
3b18c57d | 56 | /** |
64b60583 JH |
57 | * Paints the signal with a QPainter |
58 | * @param p the QPainter to paint into. | |
3b18c57d | 59 | * @param rect the rectangular area to draw the trace into. |
fb0d32cb | 60 | * @param scale the scale in seconds per pixel. |
3b18c57d | 61 | * @param offset the time to show at the left hand edge of |
fb0d32cb | 62 | * the view in seconds. |
3b18c57d | 63 | **/ |
64b60583 JH |
64 | virtual void paint(QPainter &p, const QRect &rect, double scale, |
65 | double offset) = 0; | |
e3f65ace | 66 | |
a29bb7fb JH |
67 | |
68 | /** | |
69 | * Paints the signal label into a QGLWidget. | |
70 | * @param p the QPainter to paint into. | |
71 | * @param rect the rectangular area to draw the label into. | |
72 | * @param hover true if the label is being hovered over by the mouse. | |
73 | */ | |
74 | virtual void paint_label(QPainter &p, const QRect &rect, | |
75 | bool hover); | |
76 | ||
77 | /** | |
78 | * Determines if a point is in the header label rect. | |
a29bb7fb JH |
79 | * @param rect the rectangular area to draw the label into. |
80 | * @param point the point to test. | |
81 | */ | |
ed6f0f4f | 82 | bool pt_in_label_rect(const QRect &rect, const QPoint &point); |
a29bb7fb JH |
83 | |
84 | private: | |
ed6f0f4f JH |
85 | |
86 | /** | |
87 | * Computes an caches the size of the label text. | |
88 | */ | |
89 | void compute_text_size(QPainter &p); | |
90 | ||
3b258424 JH |
91 | /** |
92 | * Computes the outline rectangle of a label. | |
93 | * @param p the QPainter to lay out text with. | |
94 | * @param rect The rectangle of the signal header. | |
95 | * @return Returns the rectangle of the signal label. | |
96 | */ | |
ed6f0f4f | 97 | QRectF get_label_rect(const QRect &rect); |
3e46726a JH |
98 | |
99 | protected: | |
3e46726a JH |
100 | /** |
101 | * Get the colour of the logic signal | |
102 | */ | |
103 | virtual QColor get_colour() const = 0; | |
104 | ||
105 | /** | |
106 | * When painting into the rectangle, calculate the y | |
107 | * offset of the zero point. | |
108 | **/ | |
109 | virtual int get_nominal_offset(const QRect &rect) const = 0; | |
110 | ||
28a4c9c5 JH |
111 | protected: |
112 | QString _name; | |
ed6f0f4f | 113 | QSizeF _text_size; |
28a4c9c5 | 114 | }; |
51e77110 JH |
115 | |
116 | } // namespace pv | |
640d091b UH |
117 | |
118 | #endif // PULSEVIEW_PV_SIGNAL_H |