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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> |
9e40e83d | 27 | #include <QComboBox> |
3e46726a | 28 | #include <QPainter> |
3ef6182a | 29 | #include <QPen> |
e3f65ace | 30 | #include <QRect> |
28a4c9c5 | 31 | #include <QString> |
9e40e83d | 32 | #include <QWidgetAction> |
e3f65ace | 33 | |
28a4c9c5 JH |
34 | #include <stdint.h> |
35 | ||
cec48d16 JH |
36 | #include <libsigrok/libsigrok.h> |
37 | ||
e0e90d80 JH |
38 | #include "selectableitem.h" |
39 | ||
51e77110 JH |
40 | namespace pv { |
41 | ||
1b1ec774 | 42 | namespace data { |
28a4c9c5 | 43 | class SignalData; |
1b1ec774 | 44 | } |
28a4c9c5 | 45 | |
a2f71ef0 JH |
46 | namespace view { |
47 | ||
e0e90d80 | 48 | class Signal : public SelectableItem |
28a4c9c5 | 49 | { |
2a2512b2 JH |
50 | Q_OBJECT |
51 | ||
3e46726a | 52 | private: |
a29bb7fb | 53 | static const int LabelHitPadding; |
3e46726a | 54 | |
3ef6182a JH |
55 | static const QPen SignalAxisPen; |
56 | ||
28a4c9c5 | 57 | protected: |
cec48d16 | 58 | Signal(const sr_probe *const probe); |
28a4c9c5 JH |
59 | |
60 | public: | |
49f8ff3f JH |
61 | /** |
62 | * Gets the name of this signal. | |
63 | */ | |
28a4c9c5 JH |
64 | QString get_name() const; |
65 | ||
49f8ff3f JH |
66 | /** |
67 | * Sets the name of the signal. | |
68 | */ | |
69 | void set_name(QString name); | |
70 | ||
b3b57abc JH |
71 | /** |
72 | * Get the colour of the signal. | |
73 | */ | |
74 | QColor get_colour() const; | |
75 | ||
76 | /** | |
77 | * Set the colour of the signal. | |
78 | */ | |
79 | void set_colour(QColor colour); | |
80 | ||
2e575351 JH |
81 | /** |
82 | * Gets the vertical layout offset of this signal. | |
83 | */ | |
84 | int get_v_offset() const; | |
85 | ||
86 | /** | |
87 | * Sets the vertical layout offset of this signal. | |
88 | */ | |
89 | void set_v_offset(int v_offset); | |
90 | ||
3b18c57d | 91 | /** |
64b60583 JH |
92 | * Paints the signal with a QPainter |
93 | * @param p the QPainter to paint into. | |
2658961b JH |
94 | * @param y the y-coordinate to draw the signal at |
95 | * @param left the x-coordinate of the left edge of the signal | |
96 | * @param right the x-coordinate of the right edge of the signal | |
fb0d32cb | 97 | * @param scale the scale in seconds per pixel. |
3b18c57d | 98 | * @param offset the time to show at the left hand edge of |
fb0d32cb | 99 | * the view in seconds. |
3b18c57d | 100 | **/ |
2658961b JH |
101 | virtual void paint(QPainter &p, int y, int left, int right, |
102 | double scale, double offset) = 0; | |
a29bb7fb JH |
103 | |
104 | /** | |
105 | * Paints the signal label into a QGLWidget. | |
106 | * @param p the QPainter to paint into. | |
2658961b JH |
107 | * @param y the y-coordinate of the signal. |
108 | * @param right the x-coordinate of the right edge of the header | |
109 | * area. | |
a29bb7fb JH |
110 | * @param hover true if the label is being hovered over by the mouse. |
111 | */ | |
2658961b | 112 | virtual void paint_label(QPainter &p, int y, int right, |
a29bb7fb JH |
113 | bool hover); |
114 | ||
115 | /** | |
116 | * Determines if a point is in the header label rect. | |
2658961b JH |
117 | * @param y the y-coordinate of the signal. |
118 | * @param left the x-coordinate of the left edge of the header | |
119 | * area. | |
120 | * @param right the x-coordinate of the right edge of the header | |
121 | * area. | |
a29bb7fb JH |
122 | * @param point the point to test. |
123 | */ | |
2658961b JH |
124 | bool pt_in_label_rect(int y, int left, int right, |
125 | const QPoint &point); | |
a29bb7fb | 126 | |
3ef6182a JH |
127 | protected: |
128 | ||
129 | /** | |
130 | * Paints a zero axis across the viewport. | |
131 | * @param p the QPainter to paint into. | |
132 | * @param y the y-offset of the axis. | |
133 | * @param left the x-coordinate of the left edge of the view. | |
134 | * @param right the x-coordinate of the right edge of the view. | |
135 | */ | |
136 | void paint_axis(QPainter &p, int y, int left, int right); | |
137 | ||
a29bb7fb | 138 | private: |
ed6f0f4f JH |
139 | |
140 | /** | |
141 | * Computes an caches the size of the label text. | |
142 | */ | |
143 | void compute_text_size(QPainter &p); | |
144 | ||
3b258424 JH |
145 | /** |
146 | * Computes the outline rectangle of a label. | |
147 | * @param p the QPainter to lay out text with. | |
2658961b JH |
148 | * @param y the y-coordinate of the signal. |
149 | * @param right the x-coordinate of the right edge of the header | |
150 | * area. | |
3b258424 JH |
151 | * @return Returns the rectangle of the signal label. |
152 | */ | |
2658961b | 153 | QRectF get_label_rect(int y, int right); |
3e46726a | 154 | |
9e40e83d JH |
155 | private slots: |
156 | void on_text_changed(const QString &text); | |
157 | ||
158 | signals: | |
159 | void text_changed(); | |
160 | ||
28a4c9c5 | 161 | protected: |
cec48d16 JH |
162 | const sr_probe *const _probe; |
163 | ||
28a4c9c5 | 164 | QString _name; |
b3b57abc | 165 | QColor _colour; |
2e575351 | 166 | int _v_offset; |
b3b57abc | 167 | |
ed6f0f4f | 168 | QSizeF _text_size; |
9e40e83d JH |
169 | |
170 | QWidgetAction _name_action; | |
171 | QComboBox _name_widget; | |
172 | bool _updating_name_widget; | |
28a4c9c5 | 173 | }; |
51e77110 | 174 | |
8d634081 | 175 | } // namespace view |
51e77110 | 176 | } // namespace pv |
640d091b UH |
177 | |
178 | #endif // PULSEVIEW_PV_SIGNAL_H |