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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_TRACE_H | |
22 | #define PULSEVIEW_PV_VIEW_TRACE_H | |
23 | ||
24 | #include <QColor> | |
25 | #include <QPainter> | |
26 | #include <QPen> | |
27 | #include <QRect> | |
28 | #include <QString> | |
29 | ||
30 | #include <stdint.h> | |
31 | ||
32 | #include "rowitem.h" | |
33 | ||
34 | class QFormLayout; | |
35 | ||
36 | namespace pv { | |
37 | ||
38 | namespace widgets { | |
39 | class Popup; | |
40 | } | |
41 | ||
42 | namespace view { | |
43 | ||
44 | class Trace : public RowItem | |
45 | { | |
46 | Q_OBJECT | |
47 | ||
48 | private: | |
49 | static const QPen AxisPen; | |
50 | static const int LabelHitPadding; | |
51 | ||
52 | protected: | |
53 | Trace(QString name); | |
54 | ||
55 | public: | |
56 | /** | |
57 | * Gets the name of this signal. | |
58 | */ | |
59 | QString get_name() const; | |
60 | ||
61 | /** | |
62 | * Sets the name of the signal. | |
63 | */ | |
64 | virtual void set_name(QString name); | |
65 | ||
66 | /** | |
67 | * Get the colour of the signal. | |
68 | */ | |
69 | QColor get_colour() const; | |
70 | ||
71 | /** | |
72 | * Set the colour of the signal. | |
73 | */ | |
74 | void set_colour(QColor colour); | |
75 | ||
76 | /** | |
77 | * Paints the signal label. | |
78 | * @param p the QPainter to paint into. | |
79 | * @param right the x-coordinate of the right edge of the header | |
80 | * area. | |
81 | * @param hover true if the label is being hovered over by the mouse. | |
82 | */ | |
83 | virtual void paint_label(QPainter &p, int right, bool hover); | |
84 | ||
85 | virtual QMenu* create_context_menu(QWidget *parent); | |
86 | ||
87 | pv::widgets::Popup* create_popup(QWidget *parent); | |
88 | ||
89 | /** | |
90 | * Computes the outline rectangle of a label. | |
91 | * @param right the x-coordinate of the right edge of the header | |
92 | * area. | |
93 | * @return Returns the rectangle of the signal label. | |
94 | */ | |
95 | QRectF label_rect(int right); | |
96 | ||
97 | protected: | |
98 | ||
99 | /** | |
100 | * Gets the text colour. | |
101 | * @remarks This colour is computed by comparing the lightness | |
102 | * of the trace colour against a threshold to determine whether | |
103 | * white or black would be more visible. | |
104 | */ | |
105 | QColor get_text_colour() const; | |
106 | ||
107 | /** | |
108 | * Paints a zero axis across the viewport. | |
109 | * @param p the QPainter to paint into. | |
110 | * @param y the y-offset of the axis. | |
111 | * @param left the x-coordinate of the left edge of the view. | |
112 | * @param right the x-coordinate of the right edge of the view. | |
113 | */ | |
114 | void paint_axis(QPainter &p, int y, int left, int right); | |
115 | ||
116 | void add_colour_option(QWidget *parent, QFormLayout *form); | |
117 | ||
118 | void create_popup_form(); | |
119 | ||
120 | virtual void populate_popup_form(QWidget *parent, QFormLayout *form); | |
121 | ||
122 | private Q_SLOTS: | |
123 | void on_text_changed(const QString &text); | |
124 | ||
125 | void on_colour_changed(const QColor &colour); | |
126 | ||
127 | void on_popup_closed(); | |
128 | ||
129 | Q_SIGNALS: | |
130 | void visibility_changed(); | |
131 | void text_changed(); | |
132 | void colour_changed(); | |
133 | ||
134 | protected: | |
135 | QString _name; | |
136 | QColor _colour; | |
137 | ||
138 | private: | |
139 | pv::widgets::Popup *_popup; | |
140 | QFormLayout *_popup_form; | |
141 | }; | |
142 | ||
143 | } // namespace view | |
144 | } // namespace pv | |
145 | ||
146 | #endif // PULSEVIEW_PV_VIEW_TRACE_H |