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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> |
3ef6182a | 28 | #include <QPen> |
e3f65ace | 29 | #include <QRect> |
28a4c9c5 | 30 | #include <QString> |
e3f65ace | 31 | |
28a4c9c5 JH |
32 | #include <stdint.h> |
33 | ||
51e77110 JH |
34 | namespace pv { |
35 | ||
1b1ec774 | 36 | namespace data { |
28a4c9c5 | 37 | class SignalData; |
1b1ec774 | 38 | } |
28a4c9c5 | 39 | |
a2f71ef0 JH |
40 | namespace view { |
41 | ||
28a4c9c5 JH |
42 | class Signal |
43 | { | |
3e46726a | 44 | private: |
a29bb7fb | 45 | static const int LabelHitPadding; |
e3374498 | 46 | static const int LabelHighlightRadius; |
3e46726a | 47 | |
3ef6182a JH |
48 | static const QPen SignalAxisPen; |
49 | ||
28a4c9c5 | 50 | protected: |
2858b391 | 51 | Signal(QString name); |
28a4c9c5 JH |
52 | |
53 | public: | |
49f8ff3f JH |
54 | /** |
55 | * Gets the name of this signal. | |
56 | */ | |
28a4c9c5 JH |
57 | QString get_name() const; |
58 | ||
49f8ff3f JH |
59 | /** |
60 | * Sets the name of the signal. | |
61 | */ | |
62 | void set_name(QString name); | |
63 | ||
b3b57abc JH |
64 | /** |
65 | * Get the colour of the signal. | |
66 | */ | |
67 | QColor get_colour() const; | |
68 | ||
69 | /** | |
70 | * Set the colour of the signal. | |
71 | */ | |
72 | void set_colour(QColor colour); | |
73 | ||
2e575351 JH |
74 | /** |
75 | * Gets the vertical layout offset of this signal. | |
76 | */ | |
77 | int get_v_offset() const; | |
78 | ||
79 | /** | |
80 | * Sets the vertical layout offset of this signal. | |
81 | */ | |
82 | void set_v_offset(int v_offset); | |
83 | ||
e3374498 JH |
84 | /** |
85 | * Returns true if the signal has been selected by the user. | |
86 | */ | |
87 | bool selected() const; | |
88 | ||
89 | /** | |
90 | * Selects or deselects the signal. | |
91 | */ | |
92 | void select(bool select = true); | |
93 | ||
3b18c57d | 94 | /** |
64b60583 JH |
95 | * Paints the signal with a QPainter |
96 | * @param p the QPainter to paint into. | |
2658961b JH |
97 | * @param y the y-coordinate to draw the signal at |
98 | * @param left the x-coordinate of the left edge of the signal | |
99 | * @param right the x-coordinate of the right edge of the signal | |
fb0d32cb | 100 | * @param scale the scale in seconds per pixel. |
3b18c57d | 101 | * @param offset the time to show at the left hand edge of |
fb0d32cb | 102 | * the view in seconds. |
3b18c57d | 103 | **/ |
2658961b JH |
104 | virtual void paint(QPainter &p, int y, int left, int right, |
105 | double scale, double offset) = 0; | |
a29bb7fb JH |
106 | |
107 | /** | |
108 | * Paints the signal label into a QGLWidget. | |
109 | * @param p the QPainter to paint into. | |
2658961b JH |
110 | * @param y the y-coordinate of the signal. |
111 | * @param right the x-coordinate of the right edge of the header | |
112 | * area. | |
a29bb7fb JH |
113 | * @param hover true if the label is being hovered over by the mouse. |
114 | */ | |
2658961b | 115 | virtual void paint_label(QPainter &p, int y, int right, |
a29bb7fb JH |
116 | bool hover); |
117 | ||
118 | /** | |
119 | * Determines if a point is in the header label rect. | |
2658961b JH |
120 | * @param y the y-coordinate of the signal. |
121 | * @param left the x-coordinate of the left edge of the header | |
122 | * area. | |
123 | * @param right the x-coordinate of the right edge of the header | |
124 | * area. | |
a29bb7fb JH |
125 | * @param point the point to test. |
126 | */ | |
2658961b JH |
127 | bool pt_in_label_rect(int y, int left, int right, |
128 | const QPoint &point); | |
a29bb7fb | 129 | |
3ef6182a JH |
130 | protected: |
131 | ||
132 | /** | |
133 | * Paints a zero axis across the viewport. | |
134 | * @param p the QPainter to paint into. | |
135 | * @param y the y-offset of the axis. | |
136 | * @param left the x-coordinate of the left edge of the view. | |
137 | * @param right the x-coordinate of the right edge of the view. | |
138 | */ | |
139 | void paint_axis(QPainter &p, int y, int left, int right); | |
140 | ||
a29bb7fb | 141 | private: |
ed6f0f4f JH |
142 | |
143 | /** | |
144 | * Computes an caches the size of the label text. | |
145 | */ | |
146 | void compute_text_size(QPainter &p); | |
147 | ||
3b258424 JH |
148 | /** |
149 | * Computes the outline rectangle of a label. | |
150 | * @param p the QPainter to lay out text with. | |
2658961b JH |
151 | * @param y the y-coordinate of the signal. |
152 | * @param right the x-coordinate of the right edge of the header | |
153 | * area. | |
3b258424 JH |
154 | * @return Returns the rectangle of the signal label. |
155 | */ | |
2658961b | 156 | QRectF get_label_rect(int y, int right); |
3e46726a | 157 | |
28a4c9c5 JH |
158 | protected: |
159 | QString _name; | |
b3b57abc | 160 | QColor _colour; |
2e575351 | 161 | int _v_offset; |
b3b57abc | 162 | |
e3374498 JH |
163 | bool _selected; |
164 | ||
ed6f0f4f | 165 | QSizeF _text_size; |
28a4c9c5 | 166 | }; |
51e77110 | 167 | |
8d634081 | 168 | } // namespace view |
51e77110 | 169 | } // namespace pv |
640d091b UH |
170 | |
171 | #endif // PULSEVIEW_PV_SIGNAL_H |