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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 | ||
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 | ||
48 | namespace decode { | |
49 | class Annotation; | |
50 | class Decoder; | |
51 | class Row; | |
52 | } | |
53 | } | |
54 | ||
55 | namespace widgets { | |
56 | class DecoderGroupBox; | |
57 | } | |
58 | ||
59 | namespace view { | |
60 | ||
61 | class DecodeTrace : public Trace | |
62 | { | |
63 | Q_OBJECT | |
64 | ||
65 | private: | |
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 | ||
73 | private: | |
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 | ||
86 | public: | |
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 | ||
128 | private: | |
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 | ||
181 | public: | |
182 | void hover_point_changed(); | |
183 | ||
184 | private 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 | ||
197 | private: | |
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 |