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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 widgets { | |
42 | class Popup; | |
43 | } | |
44 | ||
45 | namespace views { | |
46 | namespace TraceView { | |
47 | ||
48 | class Trace : public TraceTreeItem | |
49 | { | |
50 | Q_OBJECT | |
51 | ||
52 | private: | |
53 | static const QPen AxisPen; | |
54 | static const int LabelHitPadding; | |
55 | ||
56 | static const QColor BrightGrayBGColour; | |
57 | static const QColor DarkGrayBGColour; | |
58 | ||
59 | protected: | |
60 | Trace(shared_ptr<data::SignalBase> channel); | |
61 | ||
62 | public: | |
63 | /** | |
64 | * Sets the name of the signal. | |
65 | */ | |
66 | virtual void set_name(QString name); | |
67 | ||
68 | /** | |
69 | * Set the colour of the signal. | |
70 | */ | |
71 | virtual void set_colour(QColor colour); | |
72 | ||
73 | /** | |
74 | * Enables or disables the coloured background for this trace. | |
75 | */ | |
76 | void set_coloured_bg(bool state); | |
77 | ||
78 | /** | |
79 | * Paints the signal label. | |
80 | * @param p the QPainter to paint into. | |
81 | * @param rect the rectangle of the header area. | |
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, bool hover); | |
85 | ||
86 | virtual QMenu* create_context_menu(QWidget *parent); | |
87 | ||
88 | pv::widgets::Popup* create_popup(QWidget *parent); | |
89 | ||
90 | /** | |
91 | * Computes the outline rectangle of a label. | |
92 | * @param rect the rectangle of the header area. | |
93 | * @return Returns the rectangle of the signal label. | |
94 | */ | |
95 | QRectF label_rect(const QRectF &rect) const; | |
96 | ||
97 | protected: | |
98 | /** | |
99 | * Paints the background layer of the signal with a QPainter. | |
100 | * @param p The QPainter to paint into. | |
101 | * @param pp The painting parameters object to paint with. | |
102 | */ | |
103 | virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp); | |
104 | ||
105 | /** | |
106 | * Paints a zero axis across the viewport. | |
107 | * @param p the QPainter to paint into. | |
108 | * @param pp the painting parameters object to paint with. | |
109 | * @param y the y-offset of the axis. | |
110 | */ | |
111 | void paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y); | |
112 | ||
113 | void add_colour_option(QWidget *parent, QFormLayout *form); | |
114 | ||
115 | void create_popup_form(); | |
116 | ||
117 | virtual void populate_popup_form(QWidget *parent, QFormLayout *form); | |
118 | ||
119 | protected Q_SLOTS: | |
120 | virtual void on_name_changed(const QString &text); | |
121 | ||
122 | virtual void on_colour_changed(const QColor &colour); | |
123 | ||
124 | void on_popup_closed(); | |
125 | ||
126 | private Q_SLOTS: | |
127 | void on_nameedit_changed(const QString &name); | |
128 | ||
129 | void on_colouredit_changed(const QColor &colour); | |
130 | ||
131 | protected: | |
132 | shared_ptr<data::SignalBase> base_; | |
133 | bool coloured_bg_, coloured_bg_state_; | |
134 | ||
135 | private: | |
136 | pv::widgets::Popup *popup_; | |
137 | QFormLayout *popup_form_; | |
138 | }; | |
139 | ||
140 | } // namespace TraceView | |
141 | } // namespace views | |
142 | } // namespace pv | |
143 | ||
144 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP |