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Fix #771 by using black with alpha instead of an opaque grey
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1/*
2 * This file is part of the PulseView project.
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
21#ifndef PULSEVIEW_PV_VIEW_DECODETRACE_HPP
22#define PULSEVIEW_PV_VIEW_DECODETRACE_HPP
23
24#include "trace.hpp"
25
26#include <list>
27#include <map>
28#include <memory>
29#include <vector>
30
31#include <QSignalMapper>
32
33#include <pv/binding/decoder.hpp>
34#include <pv/data/decode/row.hpp>
35
36struct srd_channel;
37struct srd_decoder;
38
39class QComboBox;
40
41namespace pv {
42
43class Session;
44
45namespace data {
46class DecoderStack;
47
48namespace decode {
49class Annotation;
50class Decoder;
51class Row;
52}
53}
54
55namespace widgets {
56class DecoderGroupBox;
57}
58
59namespace view {
60
61class DecodeTrace : public Trace
62{
63 Q_OBJECT
64
65private:
66 struct ChannelSelector
67 {
68 const QComboBox *combo_;
69 const std::shared_ptr<pv::data::decode::Decoder> decoder_;
70 const srd_channel *pdch_;
71 };
72
73private:
74 static const QColor DecodeColours[4];
75 static const QColor ErrorBgColour;
76 static const QColor NoDecodeColour;
77
78 static const int ArrowSize;
79 static const double EndCapWidth;
80 static const int RowTitleMargin;
81 static const int DrawPadding;
82
83 static const QColor Colours[16];
84 static const QColor OutlineColours[16];
85
86public:
87 DecodeTrace(pv::Session &session,
88 std::shared_ptr<pv::data::DecoderStack> decoder_stack,
89 int index);
90
91 bool enabled() const;
92
93 const std::shared_ptr<pv::data::DecoderStack>& decoder() const;
94
95 /**
96 * Computes the vertical extents of the contents of this row item.
97 * @return A pair containing the minimum and maximum y-values.
98 */
99 std::pair<int, int> v_extents() const;
100
101 /**
102 * Paints the background layer of the trace with a QPainter
103 * @param p the QPainter to paint into.
104 * @param pp the painting parameters object to paint with..
105 */
106 void paint_back(QPainter &p, const ViewItemPaintParams &pp);
107
108 /**
109 * Paints the mid-layer of the trace with a QPainter
110 * @param p the QPainter to paint into.
111 * @param pp the painting parameters object to paint with.
112 */
113 void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
114
115 /**
116 * Paints the foreground layer of the trace with a QPainter
117 * @param p the QPainter to paint into.
118 * @param pp the painting parameters object to paint with.
119 */
120 void paint_fore(QPainter &p, const ViewItemPaintParams &pp);
121
122 void populate_popup_form(QWidget *parent, QFormLayout *form);
123
124 QMenu* create_context_menu(QWidget *parent);
125
126 void delete_pressed();
127
128private:
129 void draw_annotations(std::vector<pv::data::decode::Annotation> annotations,
130 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
131 size_t base_colour, int row_title_width);
132
133 void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
134 int h, const ViewItemPaintParams &pp, int y,
135 size_t base_colour, int row_title_width) const;
136
137 void draw_annotation_block(std::vector<pv::data::decode::Annotation> annotations,
138 QPainter &p, int h, int y, size_t base_colour) const;
139
140 void draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
141 int h, double x, int y) const;
142
143 void draw_range(const pv::data::decode::Annotation &a, QPainter &p,
144 int h, double start, double end, int y, const ViewItemPaintParams &pp,
145 int row_title_width) const;
146
147 void draw_error(QPainter &p, const QString &message,
148 const ViewItemPaintParams &pp);
149
150 void draw_unresolved_period(QPainter &p, int h, int left,
151 int right) const;
152
153 std::pair<double, double> get_pixels_offset_samples_per_pixel() const;
154
155 /**
156 * Determines the start and end sample for a given pixel range.
157 * @param x_start the X coordinate of the start sample in the view
158 * @param x_end the X coordinate of the end sample in the view
159 * @return Returns a pair containing the start sample and the end
160 * sample that correspond to the start and end coordinates.
161 */
162 std::pair<uint64_t, uint64_t> get_sample_range(int x_start, int x_end) const;
163
164 int get_row_at_point(const QPoint &point);
165
166 const QString get_annotation_at_point(const QPoint &point);
167
168 void create_decoder_form(int index,
169 std::shared_ptr<pv::data::decode::Decoder> &dec,
170 QWidget *parent, QFormLayout *form);
171
172 QComboBox* create_channel_selector(QWidget *parent,
173 const std::shared_ptr<pv::data::decode::Decoder> &dec,
174 const srd_channel *const pdch);
175
176 void commit_decoder_channels(
177 std::shared_ptr<data::decode::Decoder> &dec);
178
179 void commit_channels();
180
181public:
182 void hover_point_changed();
183
184private Q_SLOTS:
185 void on_new_decode_data();
186
187 void on_delete();
188
189 void on_channel_selected(int);
190
191 void on_stack_decoder(srd_decoder *decoder);
192
193 void on_delete_decoder(int index);
194
195 void on_show_hide_decoder(int index);
196
197private:
198 pv::Session &session_;
199 std::shared_ptr<pv::data::DecoderStack> decoder_stack_;
200
201 uint64_t decode_start_, decode_end_;
202
203 std::list< std::shared_ptr<pv::binding::Decoder> >
204 bindings_;
205
206 std::list<ChannelSelector> channel_selectors_;
207 std::vector<pv::widgets::DecoderGroupBox*> decoder_forms_;
208
209 std::vector<data::decode::Row> visible_rows_;
210 std::map<data::decode::Row, int> row_title_widths_;
211 int row_height_, max_visible_rows_;
212
213 int min_useful_label_width_;
214
215 QSignalMapper delete_mapper_, show_hide_mapper_;
216};
217
218} // namespace view
219} // namespace pv
220
221#endif // PULSEVIEW_PV_VIEW_DECODETRACE_HPP