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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP | |
22 | ||
23 | #include "trace.hpp" | |
24 | ||
25 | #include <list> | |
26 | #include <map> | |
27 | #include <memory> | |
28 | #include <vector> | |
29 | ||
30 | #include <QSignalMapper> | |
31 | ||
32 | #include <pv/binding/decoder.hpp> | |
33 | #include <pv/data/signalbase.hpp> | |
34 | #include <pv/data/decode/row.hpp> | |
35 | ||
36 | struct srd_channel; | |
37 | struct srd_decoder; | |
38 | ||
39 | class QComboBox; | |
40 | ||
41 | namespace pv { | |
42 | ||
43 | class Session; | |
44 | ||
45 | namespace data { | |
46 | class DecoderStack; | |
47 | class SignalBase; | |
48 | ||
49 | namespace decode { | |
50 | class Annotation; | |
51 | class Decoder; | |
52 | class Row; | |
53 | } | |
54 | } | |
55 | ||
56 | namespace widgets { | |
57 | class DecoderGroupBox; | |
58 | } | |
59 | ||
60 | namespace views { | |
61 | namespace TraceView { | |
62 | ||
63 | class DecodeTrace : public Trace | |
64 | { | |
65 | Q_OBJECT | |
66 | ||
67 | private: | |
68 | struct ChannelSelector | |
69 | { | |
70 | const QComboBox *combo_; | |
71 | const std::shared_ptr<pv::data::decode::Decoder> decoder_; | |
72 | const srd_channel *pdch_; | |
73 | }; | |
74 | ||
75 | private: | |
76 | static const QColor DecodeColours[4]; | |
77 | static const QColor ErrorBgColour; | |
78 | static const QColor NoDecodeColour; | |
79 | ||
80 | static const int ArrowSize; | |
81 | static const double EndCapWidth; | |
82 | static const int RowTitleMargin; | |
83 | static const int DrawPadding; | |
84 | ||
85 | static const QColor Colours[16]; | |
86 | static const QColor OutlineColours[16]; | |
87 | ||
88 | public: | |
89 | DecodeTrace(pv::Session &session, std::shared_ptr<data::SignalBase> signalbase, | |
90 | int index); | |
91 | ||
92 | bool enabled() const; | |
93 | ||
94 | const std::shared_ptr<pv::data::DecoderStack>& decoder() const; | |
95 | ||
96 | std::shared_ptr<data::SignalBase> base() const; | |
97 | ||
98 | /** | |
99 | * Computes the vertical extents of the contents of this row item. | |
100 | * @return A pair containing the minimum and maximum y-values. | |
101 | */ | |
102 | std::pair<int, int> v_extents() const; | |
103 | ||
104 | /** | |
105 | * Paints the background layer of the trace with a QPainter | |
106 | * @param p the QPainter to paint into. | |
107 | * @param pp the painting parameters object to paint with.. | |
108 | */ | |
109 | void paint_back(QPainter &p, const ViewItemPaintParams &pp); | |
110 | ||
111 | /** | |
112 | * Paints the mid-layer of the trace with a QPainter | |
113 | * @param p the QPainter to paint into. | |
114 | * @param pp the painting parameters object to paint with. | |
115 | */ | |
116 | void paint_mid(QPainter &p, const ViewItemPaintParams &pp); | |
117 | ||
118 | /** | |
119 | * Paints the foreground layer of the trace with a QPainter | |
120 | * @param p the QPainter to paint into. | |
121 | * @param pp the painting parameters object to paint with. | |
122 | */ | |
123 | void paint_fore(QPainter &p, const ViewItemPaintParams &pp); | |
124 | ||
125 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
126 | ||
127 | QMenu* create_context_menu(QWidget *parent); | |
128 | ||
129 | void delete_pressed(); | |
130 | ||
131 | private: | |
132 | void draw_annotations(std::vector<pv::data::decode::Annotation> annotations, | |
133 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
134 | size_t base_colour, int row_title_width); | |
135 | ||
136 | void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, | |
137 | int h, const ViewItemPaintParams &pp, int y, | |
138 | size_t base_colour, int row_title_width) const; | |
139 | ||
140 | void draw_annotation_block(std::vector<pv::data::decode::Annotation> annotations, | |
141 | QPainter &p, int h, int y, size_t base_colour) const; | |
142 | ||
143 | void draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
144 | int h, double x, int y) const; | |
145 | ||
146 | void draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
147 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
148 | int row_title_width) const; | |
149 | ||
150 | void draw_error(QPainter &p, const QString &message, | |
151 | const ViewItemPaintParams &pp); | |
152 | ||
153 | void draw_unresolved_period(QPainter &p, int h, int left, | |
154 | int right) const; | |
155 | ||
156 | std::pair<double, double> get_pixels_offset_samples_per_pixel() const; | |
157 | ||
158 | /** | |
159 | * Determines the start and end sample for a given pixel range. | |
160 | * @param x_start the X coordinate of the start sample in the view | |
161 | * @param x_end the X coordinate of the end sample in the view | |
162 | * @return Returns a pair containing the start sample and the end | |
163 | * sample that correspond to the start and end coordinates. | |
164 | */ | |
165 | std::pair<uint64_t, uint64_t> get_sample_range(int x_start, int x_end) const; | |
166 | ||
167 | int get_row_at_point(const QPoint &point); | |
168 | ||
169 | const QString get_annotation_at_point(const QPoint &point); | |
170 | ||
171 | void create_decoder_form(int index, | |
172 | std::shared_ptr<pv::data::decode::Decoder> &dec, | |
173 | QWidget *parent, QFormLayout *form); | |
174 | ||
175 | QComboBox* create_channel_selector(QWidget *parent, | |
176 | const std::shared_ptr<pv::data::decode::Decoder> &dec, | |
177 | const srd_channel *const pdch); | |
178 | ||
179 | void commit_decoder_channels( | |
180 | std::shared_ptr<data::decode::Decoder> &dec); | |
181 | ||
182 | void commit_channels(); | |
183 | ||
184 | public: | |
185 | void hover_point_changed(); | |
186 | ||
187 | private Q_SLOTS: | |
188 | void on_new_decode_data(); | |
189 | ||
190 | void on_delete(); | |
191 | ||
192 | void on_channel_selected(int); | |
193 | ||
194 | void on_stack_decoder(srd_decoder *decoder); | |
195 | ||
196 | void on_delete_decoder(int index); | |
197 | ||
198 | void on_show_hide_decoder(int index); | |
199 | ||
200 | private: | |
201 | pv::Session &session_; | |
202 | ||
203 | std::vector<data::decode::Row> visible_rows_; | |
204 | uint64_t decode_start_, decode_end_; | |
205 | ||
206 | std::list< std::shared_ptr<pv::binding::Decoder> > | |
207 | bindings_; | |
208 | ||
209 | std::list<ChannelSelector> channel_selectors_; | |
210 | std::vector<pv::widgets::DecoderGroupBox*> decoder_forms_; | |
211 | ||
212 | std::map<data::decode::Row, int> row_title_widths_; | |
213 | int row_height_, max_visible_rows_; | |
214 | ||
215 | int min_useful_label_width_; | |
216 | ||
217 | QSignalMapper delete_mapper_, show_hide_mapper_; | |
218 | }; | |
219 | ||
220 | } // namespace TraceView | |
221 | } // namespace views | |
222 | } // namespace pv | |
223 | ||
224 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP |