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931f20b0 JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
931f20b0 JH |
18 | */ |
19 | ||
f4e57597 SA |
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP | |
931f20b0 JH |
22 | |
23 | #include <QColor> | |
24 | #include <QPainter> | |
fe08b6e8 | 25 | #include <QPen> |
931f20b0 JH |
26 | #include <QRect> |
27 | #include <QString> | |
28 | ||
cafe470e | 29 | #include <cstdint> |
931f20b0 | 30 | |
af503b10 | 31 | #include "tracetreeitem.hpp" |
931f20b0 | 32 | |
bf0edd2b SA |
33 | #include "pv/data/signalbase.hpp" |
34 | ||
6f925ba9 UH |
35 | using std::shared_ptr; |
36 | ||
b213ef09 JH |
37 | class QFormLayout; |
38 | ||
931f20b0 | 39 | namespace pv { |
931f20b0 | 40 | |
5ed05b69 SA |
41 | namespace data { |
42 | class SignalBase; | |
43 | } | |
44 | ||
23935421 JH |
45 | namespace widgets { |
46 | class Popup; | |
47 | } | |
48 | ||
f4e57597 | 49 | namespace views { |
1573bf16 | 50 | namespace trace { |
01fd3263 | 51 | |
1373fec5 SA |
52 | /** |
53 | * The Trace class represents a @ref TraceTreeItem which occupies some vertical | |
54 | * space on the canvas and spans across its entire width, essentially showing | |
55 | * a time series of values, events, objects or similar. While easily confused | |
56 | * with @ref Signal, the difference is that Trace may represent anything that | |
57 | * can be drawn, not just numeric values. One example is a @ref DecodeTrace. | |
58 | * | |
59 | * For this reason, Trace is more generic and contains properties and helpers | |
60 | * that benefit any kind of time series items. | |
61 | */ | |
af503b10 | 62 | class Trace : public TraceTreeItem |
931f20b0 JH |
63 | { |
64 | Q_OBJECT | |
65 | ||
7daebd05 SA |
66 | public: |
67 | /** | |
68 | * Allowed values for the multi-segment display mode. | |
69 | * | |
70 | * Note: Consider @ref View::set_segment_display_mode when updating the list. | |
71 | */ | |
72 | enum SegmentDisplayMode { | |
73 | ShowLastSegmentOnly = 1, | |
74 | ShowSingleSegmentOnly, | |
75 | ShowAllSegments, | |
76 | ShowAccumulatedIntensity | |
77 | }; | |
78 | ||
931f20b0 | 79 | private: |
fe08b6e8 | 80 | static const QPen AxisPen; |
931f20b0 JH |
81 | static const int LabelHitPadding; |
82 | ||
d55923a6 SA |
83 | static const QColor BrightGrayBGColour; |
84 | static const QColor DarkGrayBGColour; | |
ac0708fb | 85 | |
931f20b0 | 86 | protected: |
6f925ba9 | 87 | Trace(shared_ptr<data::SignalBase> channel); |
931f20b0 JH |
88 | |
89 | public: | |
5ed05b69 SA |
90 | /** |
91 | * Returns the underlying SignalBase instance. | |
92 | */ | |
93 | shared_ptr<data::SignalBase> base() const; | |
94 | ||
931f20b0 JH |
95 | /** |
96 | * Sets the name of the signal. | |
97 | */ | |
98 | virtual void set_name(QString name); | |
99 | ||
931f20b0 JH |
100 | /** |
101 | * Set the colour of the signal. | |
102 | */ | |
bf0edd2b | 103 | virtual void set_colour(QColor colour); |
931f20b0 | 104 | |
7daebd05 SA |
105 | /** |
106 | * Configures the segment display mode to use. | |
107 | */ | |
108 | virtual void set_segment_display_mode(SegmentDisplayMode mode); | |
109 | ||
931f20b0 | 110 | /** |
7db87de3 | 111 | * Paints the signal label. |
931f20b0 | 112 | * @param p the QPainter to paint into. |
b3f44329 | 113 | * @param rect the rectangle of the header area. |
931f20b0 JH |
114 | * @param hover true if the label is being hovered over by the mouse. |
115 | */ | |
b3f44329 | 116 | virtual void paint_label(QPainter &p, const QRect &rect, bool hover); |
931f20b0 | 117 | |
9b6378f1 JH |
118 | virtual QMenu* create_context_menu(QWidget *parent); |
119 | ||
569d1e41 JH |
120 | pv::widgets::Popup* create_popup(QWidget *parent); |
121 | ||
d7c0ca4a JH |
122 | /** |
123 | * Computes the outline rectangle of a label. | |
b3f44329 | 124 | * @param rect the rectangle of the header area. |
d7c0ca4a JH |
125 | * @return Returns the rectangle of the signal label. |
126 | */ | |
b3f44329 | 127 | QRectF label_rect(const QRectF &rect) const; |
d7c0ca4a | 128 | |
2749b858 SA |
129 | void set_current_segment(const int segment); |
130 | ||
131 | int get_current_segment() const; | |
132 | ||
569d1e41 | 133 | protected: |
99af6802 | 134 | /** |
5d738861 UH |
135 | * Paints the background layer of the signal with a QPainter. |
136 | * @param p The QPainter to paint into. | |
137 | * @param pp The painting parameters object to paint with. | |
99af6802 | 138 | */ |
60938e04 | 139 | virtual void paint_back(QPainter &p, ViewItemPaintParams &pp); |
99af6802 | 140 | |
fe08b6e8 JH |
141 | /** |
142 | * Paints a zero axis across the viewport. | |
143 | * @param p the QPainter to paint into. | |
97904bf7 | 144 | * @param pp the painting parameters object to paint with. |
fe08b6e8 | 145 | * @param y the y-offset of the axis. |
fe08b6e8 | 146 | */ |
60938e04 | 147 | void paint_axis(QPainter &p, ViewItemPaintParams &pp, int y); |
fe08b6e8 | 148 | |
91e8bf08 JH |
149 | void add_colour_option(QWidget *parent, QFormLayout *form); |
150 | ||
37fd11b1 JH |
151 | void create_popup_form(); |
152 | ||
569d1e41 JH |
153 | virtual void populate_popup_form(QWidget *parent, QFormLayout *form); |
154 | ||
bf0edd2b SA |
155 | protected Q_SLOTS: |
156 | virtual void on_name_changed(const QString &text); | |
68456dab | 157 | |
bf0edd2b | 158 | virtual void on_colour_changed(const QColor &colour); |
91e8bf08 | 159 | |
20eaae39 JH |
160 | void on_popup_closed(); |
161 | ||
bf0edd2b SA |
162 | private Q_SLOTS: |
163 | void on_nameedit_changed(const QString &name); | |
164 | ||
165 | void on_colouredit_changed(const QColor &colour); | |
166 | ||
931f20b0 | 167 | protected: |
6f925ba9 | 168 | shared_ptr<data::SignalBase> base_; |
561ba3ae | 169 | QPen axis_pen_; |
931f20b0 | 170 | |
7daebd05 SA |
171 | SegmentDisplayMode segment_display_mode_; |
172 | ||
2749b858 SA |
173 | /// The ID of the currently displayed segment |
174 | int current_segment_; | |
175 | ||
37fd11b1 | 176 | private: |
8dbbc7f0 JH |
177 | pv::widgets::Popup *popup_; |
178 | QFormLayout *popup_form_; | |
931f20b0 JH |
179 | }; |
180 | ||
1573bf16 | 181 | } // namespace trace |
f4e57597 | 182 | } // namespace views |
931f20b0 JH |
183 | } // namespace pv |
184 | ||
f4e57597 | 185 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP |