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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 | |
b3b57abc | 26 | #include <QColor> |
3e46726a | 27 | #include <QPainter> |
e3f65ace | 28 | #include <QRect> |
28a4c9c5 | 29 | #include <QString> |
e3f65ace | 30 | |
28a4c9c5 JH |
31 | #include <stdint.h> |
32 | ||
51e77110 JH |
33 | namespace pv { |
34 | ||
28a4c9c5 JH |
35 | class SignalData; |
36 | ||
37 | class Signal | |
38 | { | |
3e46726a | 39 | private: |
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 | ||
b3b57abc JH |
56 | /** |
57 | * Get the colour of the signal. | |
58 | */ | |
59 | QColor get_colour() const; | |
60 | ||
61 | /** | |
62 | * Set the colour of the signal. | |
63 | */ | |
64 | void set_colour(QColor colour); | |
65 | ||
3b18c57d | 66 | /** |
64b60583 JH |
67 | * Paints the signal with a QPainter |
68 | * @param p the QPainter to paint into. | |
3b18c57d | 69 | * @param rect the rectangular area to draw the trace into. |
fb0d32cb | 70 | * @param scale the scale in seconds per pixel. |
3b18c57d | 71 | * @param offset the time to show at the left hand edge of |
fb0d32cb | 72 | * the view in seconds. |
3b18c57d | 73 | **/ |
64b60583 JH |
74 | virtual void paint(QPainter &p, const QRect &rect, double scale, |
75 | double offset) = 0; | |
e3f65ace | 76 | |
a29bb7fb JH |
77 | |
78 | /** | |
79 | * Paints the signal label into a QGLWidget. | |
80 | * @param p the QPainter to paint into. | |
81 | * @param rect the rectangular area to draw the label into. | |
82 | * @param hover true if the label is being hovered over by the mouse. | |
83 | */ | |
84 | virtual void paint_label(QPainter &p, const QRect &rect, | |
85 | bool hover); | |
86 | ||
87 | /** | |
88 | * Determines if a point is in the header label rect. | |
a29bb7fb JH |
89 | * @param rect the rectangular area to draw the label into. |
90 | * @param point the point to test. | |
91 | */ | |
ed6f0f4f | 92 | bool pt_in_label_rect(const QRect &rect, const QPoint &point); |
a29bb7fb JH |
93 | |
94 | private: | |
ed6f0f4f JH |
95 | |
96 | /** | |
97 | * Computes an caches the size of the label text. | |
98 | */ | |
99 | void compute_text_size(QPainter &p); | |
100 | ||
3b258424 JH |
101 | /** |
102 | * Computes the outline rectangle of a label. | |
103 | * @param p the QPainter to lay out text with. | |
104 | * @param rect The rectangle of the signal header. | |
105 | * @return Returns the rectangle of the signal label. | |
106 | */ | |
ed6f0f4f | 107 | QRectF get_label_rect(const QRect &rect); |
3e46726a JH |
108 | |
109 | protected: | |
3e46726a JH |
110 | /** |
111 | * When painting into the rectangle, calculate the y | |
112 | * offset of the zero point. | |
113 | **/ | |
114 | virtual int get_nominal_offset(const QRect &rect) const = 0; | |
115 | ||
28a4c9c5 JH |
116 | protected: |
117 | QString _name; | |
b3b57abc JH |
118 | QColor _colour; |
119 | ||
ed6f0f4f | 120 | QSizeF _text_size; |
28a4c9c5 | 121 | }; |
51e77110 JH |
122 | |
123 | } // namespace pv | |
640d091b UH |
124 | |
125 | #endif // PULSEVIEW_PV_SIGNAL_H |