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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 | extern "C" { | |
21 | #include <libsigrokdecode/libsigrokdecode.h> | |
22 | } | |
23 | ||
24 | #include <mutex> | |
25 | ||
26 | #include <extdef.h> | |
27 | ||
28 | #include <tuple> | |
29 | ||
30 | #include <boost/functional/hash.hpp> | |
31 | ||
32 | #include <QAction> | |
33 | #include <QApplication> | |
34 | #include <QComboBox> | |
35 | #include <QFormLayout> | |
36 | #include <QLabel> | |
37 | #include <QMenu> | |
38 | #include <QPushButton> | |
39 | #include <QToolTip> | |
40 | ||
41 | #include "decodetrace.hpp" | |
42 | #include "view.hpp" | |
43 | #include "viewport.hpp" | |
44 | ||
45 | #include <pv/globalsettings.hpp> | |
46 | #include <pv/session.hpp> | |
47 | #include <pv/strnatcmp.hpp> | |
48 | #include <pv/data/decodesignal.hpp> | |
49 | #include <pv/data/decode/annotation.hpp> | |
50 | #include <pv/data/decode/decoder.hpp> | |
51 | #include <pv/data/decoderstack.hpp> | |
52 | #include <pv/data/logic.hpp> | |
53 | #include <pv/data/logicsegment.hpp> | |
54 | #include <pv/widgets/decodergroupbox.hpp> | |
55 | #include <pv/widgets/decodermenu.hpp> | |
56 | ||
57 | using std::all_of; | |
58 | using std::list; | |
59 | using std::make_pair; | |
60 | using std::max; | |
61 | using std::make_pair; | |
62 | using std::map; | |
63 | using std::min; | |
64 | using std::out_of_range; | |
65 | using std::pair; | |
66 | using std::shared_ptr; | |
67 | using std::make_shared; | |
68 | using std::tie; | |
69 | using std::unordered_set; | |
70 | using std::vector; | |
71 | ||
72 | using pv::data::decode::Annotation; | |
73 | using pv::data::decode::Row; | |
74 | ||
75 | namespace pv { | |
76 | namespace views { | |
77 | namespace trace { | |
78 | ||
79 | const QColor DecodeTrace::DecodeColours[4] = { | |
80 | QColor(0xEF, 0x29, 0x29), // Red | |
81 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
82 | QColor(0x8A, 0xE2, 0x34), // Green | |
83 | QColor(0x72, 0x9F, 0xCF) // Blue | |
84 | }; | |
85 | ||
86 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
87 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
88 | ||
89 | const int DecodeTrace::ArrowSize = 4; | |
90 | const double DecodeTrace::EndCapWidth = 5; | |
91 | const int DecodeTrace::RowTitleMargin = 10; | |
92 | const int DecodeTrace::DrawPadding = 100; | |
93 | ||
94 | const QColor DecodeTrace::Colours[16] = { | |
95 | QColor(0xEF, 0x29, 0x29), | |
96 | QColor(0xF6, 0x6A, 0x32), | |
97 | QColor(0xFC, 0xAE, 0x3E), | |
98 | QColor(0xFB, 0xCA, 0x47), | |
99 | QColor(0xFC, 0xE9, 0x4F), | |
100 | QColor(0xCD, 0xF0, 0x40), | |
101 | QColor(0x8A, 0xE2, 0x34), | |
102 | QColor(0x4E, 0xDC, 0x44), | |
103 | QColor(0x55, 0xD7, 0x95), | |
104 | QColor(0x64, 0xD1, 0xD2), | |
105 | QColor(0x72, 0x9F, 0xCF), | |
106 | QColor(0xD4, 0x76, 0xC4), | |
107 | QColor(0x9D, 0x79, 0xB9), | |
108 | QColor(0xAD, 0x7F, 0xA8), | |
109 | QColor(0xC2, 0x62, 0x9B), | |
110 | QColor(0xD7, 0x47, 0x6F) | |
111 | }; | |
112 | ||
113 | const QColor DecodeTrace::OutlineColours[16] = { | |
114 | QColor(0x77, 0x14, 0x14), | |
115 | QColor(0x7B, 0x35, 0x19), | |
116 | QColor(0x7E, 0x57, 0x1F), | |
117 | QColor(0x7D, 0x65, 0x23), | |
118 | QColor(0x7E, 0x74, 0x27), | |
119 | QColor(0x66, 0x78, 0x20), | |
120 | QColor(0x45, 0x71, 0x1A), | |
121 | QColor(0x27, 0x6E, 0x22), | |
122 | QColor(0x2A, 0x6B, 0x4A), | |
123 | QColor(0x32, 0x68, 0x69), | |
124 | QColor(0x39, 0x4F, 0x67), | |
125 | QColor(0x6A, 0x3B, 0x62), | |
126 | QColor(0x4E, 0x3C, 0x5C), | |
127 | QColor(0x56, 0x3F, 0x54), | |
128 | QColor(0x61, 0x31, 0x4D), | |
129 | QColor(0x6B, 0x23, 0x37) | |
130 | }; | |
131 | ||
132 | DecodeTrace::DecodeTrace(pv::Session &session, | |
133 | shared_ptr<data::SignalBase> signalbase, int index) : | |
134 | Trace(signalbase), | |
135 | session_(session), | |
136 | row_height_(0), | |
137 | max_visible_rows_(0), | |
138 | delete_mapper_(this), | |
139 | show_hide_mapper_(this) | |
140 | { | |
141 | decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_); | |
142 | ||
143 | // Determine shortest string we want to see displayed in full | |
144 | QFontMetrics m(QApplication::font()); | |
145 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
146 | ||
147 | base_->set_colour(DecodeColours[index % countof(DecodeColours)]); | |
148 | ||
149 | connect(decode_signal_.get(), SIGNAL(new_annotations()), | |
150 | this, SLOT(on_new_annotations())); | |
151 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
152 | this, SLOT(on_delete_decoder(int))); | |
153 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
154 | this, SLOT(on_show_hide_decoder(int))); | |
155 | } | |
156 | ||
157 | bool DecodeTrace::enabled() const | |
158 | { | |
159 | return true; | |
160 | } | |
161 | ||
162 | shared_ptr<data::SignalBase> DecodeTrace::base() const | |
163 | { | |
164 | return base_; | |
165 | } | |
166 | ||
167 | pair<int, int> DecodeTrace::v_extents() const | |
168 | { | |
169 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
170 | ||
171 | // Make an empty decode trace appear symmetrical | |
172 | const int row_count = max(1, max_visible_rows_); | |
173 | ||
174 | return make_pair(-row_height, row_height * row_count); | |
175 | } | |
176 | ||
177 | void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
178 | { | |
179 | Trace::paint_back(p, pp); | |
180 | paint_axis(p, pp, get_visual_y()); | |
181 | } | |
182 | ||
183 | void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
184 | { | |
185 | const int text_height = ViewItemPaintParams::text_height(); | |
186 | row_height_ = (text_height * 6) / 4; | |
187 | const int annotation_height = (text_height * 5) / 4; | |
188 | ||
189 | const QString err = decode_signal_->error_message(); | |
190 | if (!err.isEmpty()) { | |
191 | draw_unresolved_period( | |
192 | p, annotation_height, pp.left(), pp.right()); | |
193 | draw_error(p, err, pp); | |
194 | return; | |
195 | } | |
196 | ||
197 | // Set default pen to allow for text width calculation | |
198 | p.setPen(Qt::black); | |
199 | ||
200 | // Iterate through the rows | |
201 | int y = get_visual_y(); | |
202 | pair<uint64_t, uint64_t> sample_range = get_sample_range( | |
203 | pp.left(), pp.right()); | |
204 | ||
205 | const vector<Row> rows = decode_signal_->visible_rows(); | |
206 | ||
207 | visible_rows_.clear(); | |
208 | for (const Row& row : rows) { | |
209 | // Cache the row title widths | |
210 | int row_title_width; | |
211 | try { | |
212 | row_title_width = row_title_widths_.at(row); | |
213 | } catch (out_of_range) { | |
214 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
215 | RowTitleMargin; | |
216 | row_title_widths_[row] = w; | |
217 | row_title_width = w; | |
218 | } | |
219 | ||
220 | // Determine the row's color | |
221 | size_t base_colour = 0x13579BDF; | |
222 | boost::hash_combine(base_colour, this); | |
223 | boost::hash_combine(base_colour, row.decoder()); | |
224 | boost::hash_combine(base_colour, row.row()); | |
225 | base_colour >>= 16; | |
226 | ||
227 | vector<Annotation> annotations; | |
228 | decode_signal_->get_annotation_subset(annotations, row, | |
229 | sample_range.first, sample_range.second); | |
230 | if (!annotations.empty()) { | |
231 | draw_annotations(annotations, p, annotation_height, pp, y, | |
232 | base_colour, row_title_width); | |
233 | ||
234 | y += row_height_; | |
235 | ||
236 | visible_rows_.push_back(row); | |
237 | } | |
238 | } | |
239 | ||
240 | // Draw the hatching | |
241 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
242 | ||
243 | if ((int)visible_rows_.size() > max_visible_rows_) | |
244 | owner_->extents_changed(false, true); | |
245 | ||
246 | // Update the maximum row count if needed | |
247 | max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size()); | |
248 | } | |
249 | ||
250 | void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
251 | { | |
252 | assert(row_height_); | |
253 | ||
254 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
255 | const int y = i * row_height_ + get_visual_y(); | |
256 | ||
257 | p.setPen(QPen(Qt::NoPen)); | |
258 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
259 | ||
260 | if (i != 0) { | |
261 | const QPointF points[] = { | |
262 | QPointF(pp.left(), y - ArrowSize), | |
263 | QPointF(pp.left() + ArrowSize, y), | |
264 | QPointF(pp.left(), y + ArrowSize) | |
265 | }; | |
266 | p.drawPolygon(points, countof(points)); | |
267 | } | |
268 | ||
269 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
270 | pp.right() - pp.left(), row_height_); | |
271 | const QString h(visible_rows_[i].title()); | |
272 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
273 | Qt::TextDontClip; | |
274 | ||
275 | // Draw the outline | |
276 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
277 | for (int dx = -1; dx <= 1; dx++) | |
278 | for (int dy = -1; dy <= 1; dy++) | |
279 | if (dx != 0 && dy != 0) | |
280 | p.drawText(r.translated(dx, dy), f, h); | |
281 | ||
282 | // Draw the text | |
283 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
284 | p.drawText(r, f, h); | |
285 | } | |
286 | } | |
287 | ||
288 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
289 | { | |
290 | using pv::data::decode::Decoder; | |
291 | ||
292 | assert(form); | |
293 | ||
294 | // Add the standard options | |
295 | Trace::populate_popup_form(parent, form); | |
296 | ||
297 | // Add the decoder options | |
298 | bindings_.clear(); | |
299 | channel_selectors_.clear(); | |
300 | decoder_forms_.clear(); | |
301 | ||
302 | const list< shared_ptr<Decoder> >& stack = | |
303 | decode_signal_->decoder_stack_list(); | |
304 | ||
305 | if (stack.empty()) { | |
306 | QLabel *const l = new QLabel( | |
307 | tr("<p><i>No decoders in the stack</i></p>")); | |
308 | l->setAlignment(Qt::AlignCenter); | |
309 | form->addRow(l); | |
310 | } else { | |
311 | auto iter = stack.cbegin(); | |
312 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
313 | shared_ptr<Decoder> dec(*iter); | |
314 | create_decoder_form(i, dec, parent, form); | |
315 | } | |
316 | ||
317 | form->addRow(new QLabel( | |
318 | tr("<i>* Required channels</i>"), parent)); | |
319 | } | |
320 | ||
321 | // Add stacking button | |
322 | pv::widgets::DecoderMenu *const decoder_menu = | |
323 | new pv::widgets::DecoderMenu(parent); | |
324 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
325 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
326 | ||
327 | QPushButton *const stack_button = | |
328 | new QPushButton(tr("Stack Decoder"), parent); | |
329 | stack_button->setMenu(decoder_menu); | |
330 | stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one")); | |
331 | ||
332 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
333 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
334 | form->addRow(stack_button_box); | |
335 | } | |
336 | ||
337 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
338 | { | |
339 | QMenu *const menu = Trace::create_context_menu(parent); | |
340 | ||
341 | menu->addSeparator(); | |
342 | ||
343 | QAction *const del = new QAction(tr("Delete"), this); | |
344 | del->setShortcuts(QKeySequence::Delete); | |
345 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
346 | menu->addAction(del); | |
347 | ||
348 | return menu; | |
349 | } | |
350 | ||
351 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
352 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
353 | size_t base_colour, int row_title_width) | |
354 | { | |
355 | using namespace pv::data::decode; | |
356 | ||
357 | vector<Annotation> a_block; | |
358 | int p_end = INT_MIN; | |
359 | ||
360 | double samples_per_pixel, pixels_offset; | |
361 | tie(pixels_offset, samples_per_pixel) = | |
362 | get_pixels_offset_samples_per_pixel(); | |
363 | ||
364 | // Sort the annotations by start sample so that decoders | |
365 | // can't confuse us by creating annotations out of order | |
366 | stable_sort(annotations.begin(), annotations.end(), | |
367 | [](const Annotation &a, const Annotation &b) { | |
368 | return a.start_sample() < b.start_sample(); }); | |
369 | ||
370 | // Gather all annotations that form a visual "block" and draw them as such | |
371 | for (const Annotation &a : annotations) { | |
372 | ||
373 | const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; | |
374 | const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; | |
375 | const int a_width = a_end - a_start; | |
376 | ||
377 | const int delta = a_end - p_end; | |
378 | ||
379 | bool a_is_separate = false; | |
380 | ||
381 | // Annotation wider than the threshold for a useful label width? | |
382 | if (a_width >= min_useful_label_width_) { | |
383 | for (const QString &ann_text : a.annotations()) { | |
384 | const int w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
385 | // Annotation wide enough to fit a label? Don't put it in a block then | |
386 | if (w <= a_width) { | |
387 | a_is_separate = true; | |
388 | break; | |
389 | } | |
390 | } | |
391 | } | |
392 | ||
393 | // Were the previous and this annotation more than a pixel apart? | |
394 | if ((abs(delta) > 1) || a_is_separate) { | |
395 | // Block was broken, draw annotations that form the current block | |
396 | if (a_block.size() == 1) { | |
397 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
398 | row_title_width); | |
399 | } | |
400 | else | |
401 | draw_annotation_block(a_block, p, h, y, base_colour); | |
402 | ||
403 | a_block.clear(); | |
404 | } | |
405 | ||
406 | if (a_is_separate) { | |
407 | draw_annotation(a, p, h, pp, y, base_colour, row_title_width); | |
408 | // Next annotation must start a new block. delta will be > 1 | |
409 | // because we set p_end to INT_MIN but that's okay since | |
410 | // a_block will be empty, so nothing will be drawn | |
411 | p_end = INT_MIN; | |
412 | } else { | |
413 | a_block.push_back(a); | |
414 | p_end = a_end; | |
415 | } | |
416 | } | |
417 | ||
418 | if (a_block.size() == 1) | |
419 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
420 | row_title_width); | |
421 | else | |
422 | draw_annotation_block(a_block, p, h, y, base_colour); | |
423 | } | |
424 | ||
425 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
426 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
427 | size_t base_colour, int row_title_width) const | |
428 | { | |
429 | double samples_per_pixel, pixels_offset; | |
430 | tie(pixels_offset, samples_per_pixel) = | |
431 | get_pixels_offset_samples_per_pixel(); | |
432 | ||
433 | const double start = a.start_sample() / samples_per_pixel - | |
434 | pixels_offset; | |
435 | const double end = a.end_sample() / samples_per_pixel - pixels_offset; | |
436 | ||
437 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
438 | p.setPen(OutlineColours[colour]); | |
439 | p.setBrush(Colours[colour]); | |
440 | ||
441 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
442 | return; | |
443 | ||
444 | if (a.start_sample() == a.end_sample()) | |
445 | draw_instant(a, p, h, start, y); | |
446 | else | |
447 | draw_range(a, p, h, start, end, y, pp, row_title_width); | |
448 | } | |
449 | ||
450 | void DecodeTrace::draw_annotation_block( | |
451 | vector<pv::data::decode::Annotation> annotations, QPainter &p, int h, | |
452 | int y, size_t base_colour) const | |
453 | { | |
454 | using namespace pv::data::decode; | |
455 | ||
456 | if (annotations.empty()) | |
457 | return; | |
458 | ||
459 | double samples_per_pixel, pixels_offset; | |
460 | tie(pixels_offset, samples_per_pixel) = | |
461 | get_pixels_offset_samples_per_pixel(); | |
462 | ||
463 | const double start = annotations.front().start_sample() / | |
464 | samples_per_pixel - pixels_offset; | |
465 | const double end = annotations.back().end_sample() / | |
466 | samples_per_pixel - pixels_offset; | |
467 | ||
468 | const double top = y + .5 - h / 2; | |
469 | const double bottom = y + .5 + h / 2; | |
470 | ||
471 | const size_t colour = (base_colour + annotations.front().format()) % | |
472 | countof(Colours); | |
473 | ||
474 | // Check if all annotations are of the same type (i.e. we can use one color) | |
475 | // or if we should use a neutral color (i.e. gray) | |
476 | const int format = annotations.front().format(); | |
477 | const bool single_format = all_of( | |
478 | annotations.begin(), annotations.end(), | |
479 | [&](const Annotation &a) { return a.format() == format; }); | |
480 | ||
481 | const QRectF rect(start, top, end - start, bottom - top); | |
482 | const int r = h / 4; | |
483 | ||
484 | p.setPen(QPen(Qt::NoPen)); | |
485 | p.setBrush(Qt::white); | |
486 | p.drawRoundedRect(rect, r, r); | |
487 | ||
488 | p.setPen((single_format ? OutlineColours[colour] : Qt::gray)); | |
489 | p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray), | |
490 | Qt::Dense4Pattern)); | |
491 | p.drawRoundedRect(rect, r, r); | |
492 | } | |
493 | ||
494 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
495 | int h, double x, int y) const | |
496 | { | |
497 | const QString text = a.annotations().empty() ? | |
498 | QString() : a.annotations().back(); | |
499 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
500 | 0.0) + h; | |
501 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
502 | ||
503 | p.drawRoundedRect(rect, h / 2, h / 2); | |
504 | ||
505 | p.setPen(Qt::black); | |
506 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
507 | } | |
508 | ||
509 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
510 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
511 | int row_title_width) const | |
512 | { | |
513 | const double top = y + .5 - h / 2; | |
514 | const double bottom = y + .5 + h / 2; | |
515 | const vector<QString> annotations = a.annotations(); | |
516 | ||
517 | // If the two ends are within 1 pixel, draw a vertical line | |
518 | if (start + 1.0 > end) { | |
519 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
520 | return; | |
521 | } | |
522 | ||
523 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
524 | ||
525 | QPointF pts[] = { | |
526 | QPointF(start, y + .5f), | |
527 | QPointF(start + cap_width, top), | |
528 | QPointF(end - cap_width, top), | |
529 | QPointF(end, y + .5f), | |
530 | QPointF(end - cap_width, bottom), | |
531 | QPointF(start + cap_width, bottom) | |
532 | }; | |
533 | ||
534 | p.drawConvexPolygon(pts, countof(pts)); | |
535 | ||
536 | if (annotations.empty()) | |
537 | return; | |
538 | ||
539 | const int ann_start = start + cap_width; | |
540 | const int ann_end = end - cap_width; | |
541 | ||
542 | const int real_start = max(ann_start, pp.left() + row_title_width); | |
543 | const int real_end = min(ann_end, pp.right()); | |
544 | const int real_width = real_end - real_start; | |
545 | ||
546 | QRectF rect(real_start, y - h / 2, real_width, h); | |
547 | if (rect.width() <= 4) | |
548 | return; | |
549 | ||
550 | p.setPen(Qt::black); | |
551 | ||
552 | // Try to find an annotation that will fit | |
553 | QString best_annotation; | |
554 | int best_width = 0; | |
555 | ||
556 | for (const QString &a : annotations) { | |
557 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
558 | if (w <= rect.width() && w > best_width) | |
559 | best_annotation = a, best_width = w; | |
560 | } | |
561 | ||
562 | if (best_annotation.isEmpty()) | |
563 | best_annotation = annotations.back(); | |
564 | ||
565 | // If not ellide the last in the list | |
566 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
567 | best_annotation, Qt::ElideRight, rect.width())); | |
568 | } | |
569 | ||
570 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
571 | const ViewItemPaintParams &pp) | |
572 | { | |
573 | const int y = get_visual_y(); | |
574 | ||
575 | p.setPen(ErrorBgColour.darker()); | |
576 | p.setBrush(ErrorBgColour); | |
577 | ||
578 | const QRectF bounding_rect = | |
579 | QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX); | |
580 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
581 | Qt::AlignCenter, message); | |
582 | const float r = text_rect.height() / 4; | |
583 | ||
584 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
585 | Qt::AbsoluteSize); | |
586 | ||
587 | p.setPen(Qt::black); | |
588 | p.drawText(text_rect, message); | |
589 | } | |
590 | ||
591 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
592 | int right) const | |
593 | { | |
594 | using namespace pv::data; | |
595 | using pv::data::decode::Decoder; | |
596 | ||
597 | double samples_per_pixel, pixels_offset; | |
598 | ||
599 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
600 | ||
601 | assert(decoder_stack); | |
602 | ||
603 | shared_ptr<Logic> data; | |
604 | shared_ptr<data::SignalBase> signalbase; | |
605 | ||
606 | const list< shared_ptr<Decoder> > &stack = decoder_stack->stack(); | |
607 | ||
608 | // We get the logic data of the first channel in the list. | |
609 | // This works because we are currently assuming all | |
610 | // LogicSignals have the same data/segment | |
611 | for (const shared_ptr<Decoder> &dec : stack) | |
612 | if (dec && !dec->channels().empty() && | |
613 | ((signalbase = (*dec->channels().begin()).second)) && | |
614 | ((data = signalbase->logic_data()))) | |
615 | break; | |
616 | ||
617 | if (!data || data->logic_segments().empty()) | |
618 | return; | |
619 | ||
620 | const shared_ptr<LogicSegment> segment = data->logic_segments().front(); | |
621 | assert(segment); | |
622 | const int64_t sample_count = (int64_t)segment->get_sample_count(); | |
623 | if (sample_count == 0) | |
624 | return; | |
625 | ||
626 | const int64_t samples_decoded = decoder_stack->samples_decoded(); | |
627 | if (sample_count == samples_decoded) | |
628 | return; | |
629 | ||
630 | const int y = get_visual_y(); | |
631 | ||
632 | tie(pixels_offset, samples_per_pixel) = | |
633 | get_pixels_offset_samples_per_pixel(); | |
634 | ||
635 | const double start = max(samples_decoded / | |
636 | samples_per_pixel - pixels_offset, left - 1.0); | |
637 | const double end = min(sample_count / samples_per_pixel - | |
638 | pixels_offset, right + 1.0); | |
639 | const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h); | |
640 | ||
641 | p.setPen(QPen(Qt::NoPen)); | |
642 | p.setBrush(Qt::white); | |
643 | p.drawRect(no_decode_rect); | |
644 | ||
645 | p.setPen(NoDecodeColour); | |
646 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
647 | p.drawRect(no_decode_rect); | |
648 | } | |
649 | ||
650 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
651 | { | |
652 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
653 | ||
654 | assert(owner_); | |
655 | assert(decoder_stack); | |
656 | ||
657 | const View *view = owner_->view(); | |
658 | assert(view); | |
659 | ||
660 | const double scale = view->scale(); | |
661 | assert(scale > 0); | |
662 | ||
663 | const double pixels_offset = | |
664 | ((view->offset() - decoder_stack->start_time()) / scale).convert_to<double>(); | |
665 | ||
666 | double samplerate = decoder_stack->samplerate(); | |
667 | ||
668 | // Show sample rate as 1Hz when it is unknown | |
669 | if (samplerate == 0.0) | |
670 | samplerate = 1.0; | |
671 | ||
672 | return make_pair(pixels_offset, samplerate * scale); | |
673 | } | |
674 | ||
675 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
676 | int x_start, int x_end) const | |
677 | { | |
678 | double samples_per_pixel, pixels_offset; | |
679 | tie(pixels_offset, samples_per_pixel) = | |
680 | get_pixels_offset_samples_per_pixel(); | |
681 | ||
682 | const uint64_t start = (uint64_t)max( | |
683 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
684 | const uint64_t end = (uint64_t)max( | |
685 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
686 | ||
687 | return make_pair(start, end); | |
688 | } | |
689 | ||
690 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
691 | { | |
692 | if (!row_height_) | |
693 | return -1; | |
694 | ||
695 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
696 | ||
697 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
698 | if (y < 0) | |
699 | return -1; | |
700 | ||
701 | const int row = y / row_height_; | |
702 | ||
703 | if (row >= (int)visible_rows_.size()) | |
704 | return -1; | |
705 | ||
706 | return row; | |
707 | } | |
708 | ||
709 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
710 | { | |
711 | using namespace pv::data::decode; | |
712 | ||
713 | if (!enabled()) | |
714 | return QString(); | |
715 | ||
716 | const pair<uint64_t, uint64_t> sample_range = | |
717 | get_sample_range(point.x(), point.x() + 1); | |
718 | const int row = get_row_at_point(point); | |
719 | if (row < 0) | |
720 | return QString(); | |
721 | ||
722 | vector<pv::data::decode::Annotation> annotations; | |
723 | ||
724 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
725 | ||
726 | assert(decoder_stack); | |
727 | decoder_stack->get_annotation_subset(annotations, visible_rows_[row], | |
728 | sample_range.first, sample_range.second); | |
729 | ||
730 | return (annotations.empty()) ? | |
731 | QString() : annotations[0].annotations().front(); | |
732 | } | |
733 | ||
734 | void DecodeTrace::hover_point_changed() | |
735 | { | |
736 | assert(owner_); | |
737 | ||
738 | const View *const view = owner_->view(); | |
739 | assert(view); | |
740 | ||
741 | QPoint hp = view->hover_point(); | |
742 | QString ann = get_annotation_at_point(hp); | |
743 | ||
744 | assert(view); | |
745 | ||
746 | if (!row_height_ || ann.isEmpty()) { | |
747 | QToolTip::hideText(); | |
748 | return; | |
749 | } | |
750 | ||
751 | const int hover_row = get_row_at_point(hp); | |
752 | ||
753 | QFontMetrics m(QToolTip::font()); | |
754 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
755 | ||
756 | // This is OS-specific and unfortunately we can't query it, so | |
757 | // use an approximation to at least try to minimize the error. | |
758 | const int padding = 8; | |
759 | ||
760 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
761 | // If it did, the tool tip would constantly hide and re-appear. | |
762 | // We also push it up by one row so that it appears above the | |
763 | // decode trace, not below. | |
764 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
765 | ||
766 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
767 | (hover_row * row_height_) - | |
768 | row_height_ - text_size.height() - padding); | |
769 | ||
770 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
771 | } | |
772 | ||
773 | void DecodeTrace::create_decoder_form(int index, | |
774 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
775 | QFormLayout *form) | |
776 | { | |
777 | const GSList *l; | |
778 | GlobalSettings settings; | |
779 | ||
780 | assert(dec); | |
781 | const srd_decoder *const decoder = dec->decoder(); | |
782 | assert(decoder); | |
783 | ||
784 | const bool decoder_deletable = index > 0; | |
785 | ||
786 | pv::widgets::DecoderGroupBox *const group = | |
787 | new pv::widgets::DecoderGroupBox( | |
788 | QString::fromUtf8(decoder->name), | |
789 | tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname), | |
790 | QString::fromUtf8(decoder->desc)), | |
791 | nullptr, decoder_deletable); | |
792 | group->set_decoder_visible(dec->shown()); | |
793 | ||
794 | if (decoder_deletable) { | |
795 | delete_mapper_.setMapping(group, index); | |
796 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
797 | } | |
798 | ||
799 | show_hide_mapper_.setMapping(group, index); | |
800 | connect(group, SIGNAL(show_hide_decoder()), | |
801 | &show_hide_mapper_, SLOT(map())); | |
802 | ||
803 | QFormLayout *const decoder_form = new QFormLayout; | |
804 | group->add_layout(decoder_form); | |
805 | ||
806 | // Add the mandatory channels | |
807 | for (l = decoder->channels; l; l = l->next) { | |
808 | const struct srd_channel *const pdch = | |
809 | (struct srd_channel *)l->data; | |
810 | ||
811 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
812 | QComboBox *const combo_initial_pin = create_channel_selector_initial_pin(parent, dec, pdch); | |
813 | ||
814 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
815 | this, SLOT(on_channel_selected(int))); | |
816 | connect(combo_initial_pin, SIGNAL(currentIndexChanged(int)), | |
817 | this, SLOT(on_initial_pin_selected(int))); | |
818 | ||
819 | QHBoxLayout *const hlayout = new QHBoxLayout; | |
820 | hlayout->addWidget(combo); | |
821 | hlayout->addWidget(combo_initial_pin); | |
822 | ||
823 | if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool()) | |
824 | combo_initial_pin->hide(); | |
825 | ||
826 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
827 | .arg(QString::fromUtf8(pdch->name), | |
828 | QString::fromUtf8(pdch->desc)), hlayout); | |
829 | ||
830 | const ChannelSelector s = {combo, combo_initial_pin, dec, pdch}; | |
831 | channel_selectors_.push_back(s); | |
832 | } | |
833 | ||
834 | // Add the optional channels | |
835 | for (l = decoder->opt_channels; l; l = l->next) { | |
836 | const struct srd_channel *const pdch = | |
837 | (struct srd_channel *)l->data; | |
838 | ||
839 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
840 | QComboBox *const combo_initial_pin = create_channel_selector_initial_pin(parent, dec, pdch); | |
841 | ||
842 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
843 | this, SLOT(on_channel_selected(int))); | |
844 | connect(combo_initial_pin, SIGNAL(currentIndexChanged(int)), | |
845 | this, SLOT(on_initial_pin_selected(int))); | |
846 | ||
847 | QHBoxLayout *const hlayout = new QHBoxLayout; | |
848 | hlayout->addWidget(combo); | |
849 | hlayout->addWidget(combo_initial_pin); | |
850 | ||
851 | if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool()) | |
852 | combo_initial_pin->hide(); | |
853 | ||
854 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
855 | .arg(QString::fromUtf8(pdch->name), | |
856 | QString::fromUtf8(pdch->desc)), hlayout); | |
857 | ||
858 | const ChannelSelector s = {combo, combo_initial_pin, dec, pdch}; | |
859 | channel_selectors_.push_back(s); | |
860 | } | |
861 | ||
862 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
863 | ||
864 | // Add the options | |
865 | shared_ptr<binding::Decoder> binding( | |
866 | new binding::Decoder(decoder_stack, dec)); | |
867 | binding->add_properties_to_form(decoder_form, true); | |
868 | ||
869 | bindings_.push_back(binding); | |
870 | ||
871 | form->addRow(group); | |
872 | decoder_forms_.push_back(group); | |
873 | } | |
874 | ||
875 | QComboBox* DecodeTrace::create_channel_selector( | |
876 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
877 | const srd_channel *const pdch) | |
878 | { | |
879 | assert(dec); | |
880 | ||
881 | const auto sigs(session_.signalbases()); | |
882 | ||
883 | vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end()); | |
884 | sort(sig_list.begin(), sig_list.end(), | |
885 | [](const shared_ptr<data::SignalBase> &a, | |
886 | const shared_ptr<data::SignalBase> &b) { | |
887 | return strnatcasecmp(a->name().toStdString(), | |
888 | b->name().toStdString()) < 0; }); | |
889 | ||
890 | const auto channel_iter = dec->channels().find(pdch); | |
891 | ||
892 | QComboBox *selector = new QComboBox(parent); | |
893 | ||
894 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
895 | ||
896 | if (channel_iter == dec->channels().end()) | |
897 | selector->setCurrentIndex(0); | |
898 | ||
899 | for (const shared_ptr<data::SignalBase> &b : sig_list) { | |
900 | assert(b); | |
901 | if (b->logic_data() && b->enabled()) { | |
902 | selector->addItem(b->name(), | |
903 | qVariantFromValue((void*)b.get())); | |
904 | ||
905 | if (channel_iter != dec->channels().end() && | |
906 | (*channel_iter).second == b) | |
907 | selector->setCurrentIndex( | |
908 | selector->count() - 1); | |
909 | } | |
910 | } | |
911 | ||
912 | return selector; | |
913 | } | |
914 | ||
915 | QComboBox* DecodeTrace::create_channel_selector_initial_pin(QWidget *parent, | |
916 | const shared_ptr<data::decode::Decoder> &dec, const srd_channel *const pdch) | |
917 | { | |
918 | QComboBox *selector = new QComboBox(parent); | |
919 | ||
920 | selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW)); | |
921 | selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH)); | |
922 | selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0)); | |
923 | ||
924 | // Default to index 2 (SRD_INITIAL_PIN_SAME_AS_SAMPLE0). | |
925 | const int idx = (!dec->initial_pins()) ? 2 : dec->initial_pins()->data[pdch->order]; | |
926 | selector->setCurrentIndex(idx); | |
927 | ||
928 | selector->setToolTip("Initial (assumed) pin value before the first sample"); | |
929 | ||
930 | return selector; | |
931 | } | |
932 | ||
933 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
934 | { | |
935 | assert(dec); | |
936 | ||
937 | map<const srd_channel*, shared_ptr<data::SignalBase> > channel_map; | |
938 | ||
939 | const unordered_set< shared_ptr<data::SignalBase> > | |
940 | sigs(session_.signalbases()); | |
941 | ||
942 | GArray *const initial_pins = g_array_sized_new(FALSE, TRUE, | |
943 | sizeof(uint8_t), channel_selectors_.size()); | |
944 | g_array_set_size(initial_pins, channel_selectors_.size()); | |
945 | ||
946 | for (const ChannelSelector &s : channel_selectors_) { | |
947 | if (s.decoder_ != dec) | |
948 | break; | |
949 | ||
950 | const data::SignalBase *const selection = | |
951 | (data::SignalBase*)s.combo_->itemData( | |
952 | s.combo_->currentIndex()).value<void*>(); | |
953 | ||
954 | for (shared_ptr<data::SignalBase> sig : sigs) | |
955 | if (sig.get() == selection) { | |
956 | channel_map[s.pdch_] = sig; | |
957 | break; | |
958 | } | |
959 | ||
960 | int selection_initial_pin = s.combo_initial_pin_->itemData( | |
961 | s.combo_initial_pin_->currentIndex()).value<int>(); | |
962 | ||
963 | initial_pins->data[s.pdch_->order] = selection_initial_pin; | |
964 | } | |
965 | ||
966 | dec->set_channels(channel_map); | |
967 | dec->set_initial_pins(initial_pins); | |
968 | } | |
969 | ||
970 | void DecodeTrace::commit_channels() | |
971 | { | |
972 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
973 | ||
974 | assert(decoder_stack); | |
975 | for (shared_ptr<data::decode::Decoder> dec : decoder_stack->stack()) | |
976 | commit_decoder_channels(dec); | |
977 | ||
978 | decoder_stack->begin_decode(); | |
979 | } | |
980 | ||
981 | void DecodeTrace::on_new_annotations() | |
982 | { | |
983 | if (owner_) | |
984 | owner_->row_item_appearance_changed(false, true); | |
985 | } | |
986 | ||
987 | void DecodeTrace::delete_pressed() | |
988 | { | |
989 | on_delete(); | |
990 | } | |
991 | ||
992 | void DecodeTrace::on_delete() | |
993 | { | |
994 | session_.remove_decode_signal(decode_signal_); | |
995 | } | |
996 | ||
997 | void DecodeTrace::on_channel_selected(int) | |
998 | { | |
999 | commit_channels(); | |
1000 | } | |
1001 | ||
1002 | void DecodeTrace::on_initial_pin_selected(int) | |
1003 | { | |
1004 | commit_channels(); | |
1005 | } | |
1006 | ||
1007 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
1008 | { | |
1009 | decode_signal_->stack_decoder(decoder); | |
1010 | ||
1011 | create_popup_form(); | |
1012 | } | |
1013 | ||
1014 | void DecodeTrace::on_delete_decoder(int index) | |
1015 | { | |
1016 | decode_signal_->remove_decoder(index); | |
1017 | ||
1018 | // Update the popup | |
1019 | create_popup_form(); | |
1020 | } | |
1021 | ||
1022 | void DecodeTrace::on_show_hide_decoder(int index) | |
1023 | { | |
1024 | const bool state = decode_signal_->toggle_decoder_visibility(index); | |
1025 | ||
1026 | assert(index < (int)decoder_forms_.size()); | |
1027 | decoder_forms_[index]->set_decoder_visible(state); | |
1028 | ||
1029 | if (owner_) | |
1030 | owner_->row_item_appearance_changed(false, true); | |
1031 | } | |
1032 | ||
1033 | } // namespace trace | |
1034 | } // namespace views | |
1035 | } // namespace pv |