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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP | |
22 | ||
23 | #include <QColor> | |
24 | #include <QPainter> | |
25 | #include <QPen> | |
26 | #include <QRect> | |
27 | #include <QString> | |
28 | ||
29 | #include <cstdint> | |
30 | ||
31 | #include "tracetreeitem.hpp" | |
32 | ||
33 | #include "pv/data/signalbase.hpp" | |
34 | ||
35 | using std::shared_ptr; | |
36 | ||
37 | class QFormLayout; | |
38 | ||
39 | namespace pv { | |
40 | ||
41 | namespace data { | |
42 | class SignalBase; | |
43 | } | |
44 | ||
45 | namespace widgets { | |
46 | class Popup; | |
47 | } | |
48 | ||
49 | namespace views { | |
50 | namespace trace { | |
51 | ||
52 | class Trace : public TraceTreeItem | |
53 | { | |
54 | Q_OBJECT | |
55 | ||
56 | private: | |
57 | static const QPen AxisPen; | |
58 | static const int LabelHitPadding; | |
59 | ||
60 | static const QColor BrightGrayBGColour; | |
61 | static const QColor DarkGrayBGColour; | |
62 | ||
63 | protected: | |
64 | Trace(shared_ptr<data::SignalBase> channel); | |
65 | ||
66 | public: | |
67 | /** | |
68 | * Returns the underlying SignalBase instance. | |
69 | */ | |
70 | shared_ptr<data::SignalBase> base() const; | |
71 | ||
72 | /** | |
73 | * Sets the name of the signal. | |
74 | */ | |
75 | virtual void set_name(QString name); | |
76 | ||
77 | /** | |
78 | * Set the colour of the signal. | |
79 | */ | |
80 | virtual void set_colour(QColor colour); | |
81 | ||
82 | /** | |
83 | * Paints the signal label. | |
84 | * @param p the QPainter to paint into. | |
85 | * @param rect the rectangle of the header area. | |
86 | * @param hover true if the label is being hovered over by the mouse. | |
87 | */ | |
88 | virtual void paint_label(QPainter &p, const QRect &rect, bool hover); | |
89 | ||
90 | virtual QMenu* create_context_menu(QWidget *parent); | |
91 | ||
92 | pv::widgets::Popup* create_popup(QWidget *parent); | |
93 | ||
94 | /** | |
95 | * Computes the outline rectangle of a label. | |
96 | * @param rect the rectangle of the header area. | |
97 | * @return Returns the rectangle of the signal label. | |
98 | */ | |
99 | QRectF label_rect(const QRectF &rect) const; | |
100 | ||
101 | protected: | |
102 | /** | |
103 | * Paints the background layer of the signal with a QPainter. | |
104 | * @param p The QPainter to paint into. | |
105 | * @param pp The painting parameters object to paint with. | |
106 | */ | |
107 | virtual void paint_back(QPainter &p, ViewItemPaintParams &pp); | |
108 | ||
109 | /** | |
110 | * Paints a zero axis across the viewport. | |
111 | * @param p the QPainter to paint into. | |
112 | * @param pp the painting parameters object to paint with. | |
113 | * @param y the y-offset of the axis. | |
114 | */ | |
115 | void paint_axis(QPainter &p, ViewItemPaintParams &pp, int y); | |
116 | ||
117 | void add_colour_option(QWidget *parent, QFormLayout *form); | |
118 | ||
119 | void create_popup_form(); | |
120 | ||
121 | virtual void populate_popup_form(QWidget *parent, QFormLayout *form); | |
122 | ||
123 | protected Q_SLOTS: | |
124 | virtual void on_name_changed(const QString &text); | |
125 | ||
126 | virtual void on_colour_changed(const QColor &colour); | |
127 | ||
128 | void on_popup_closed(); | |
129 | ||
130 | private Q_SLOTS: | |
131 | void on_nameedit_changed(const QString &name); | |
132 | ||
133 | void on_colouredit_changed(const QColor &colour); | |
134 | ||
135 | protected: | |
136 | shared_ptr<data::SignalBase> base_; | |
137 | ||
138 | private: | |
139 | pv::widgets::Popup *popup_; | |
140 | QFormLayout *popup_form_; | |
141 | }; | |
142 | ||
143 | } // namespace trace | |
144 | } // namespace views | |
145 | } // namespace pv | |
146 | ||
147 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP |