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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 | extern "C" { | |
22 | #include <libsigrokdecode/libsigrokdecode.h> | |
23 | } | |
24 | ||
25 | #include <extdef.h> | |
26 | ||
27 | #include <boost/foreach.hpp> | |
28 | ||
29 | #include <QAction> | |
30 | #include <QApplication> | |
31 | #include <QComboBox> | |
32 | #include <QFormLayout> | |
33 | #include <QLabel> | |
34 | #include <QMenu> | |
35 | #include <QPushButton> | |
36 | ||
37 | #include "decodetrace.h" | |
38 | ||
39 | #include <pv/sigsession.h> | |
40 | #include <pv/data/decoderstack.h> | |
41 | #include <pv/data/decode/decoder.h> | |
42 | #include <pv/data/logic.h> | |
43 | #include <pv/data/logicsnapshot.h> | |
44 | #include <pv/data/decode/annotation.h> | |
45 | #include <pv/view/logicsignal.h> | |
46 | #include <pv/view/view.h> | |
47 | #include <pv/widgets/decodergroupbox.h> | |
48 | #include <pv/widgets/decodermenu.h> | |
49 | ||
50 | using namespace boost; | |
51 | using namespace std; | |
52 | ||
53 | namespace pv { | |
54 | namespace view { | |
55 | ||
56 | const QColor DecodeTrace::DecodeColours[4] = { | |
57 | QColor(0xEF, 0x29, 0x29), // Red | |
58 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
59 | QColor(0x8A, 0xE2, 0x34), // Green | |
60 | QColor(0x72, 0x9F, 0xCF) // Blue | |
61 | }; | |
62 | ||
63 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
64 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
65 | ||
66 | const double DecodeTrace::EndCapWidth = 5; | |
67 | const int DecodeTrace::DrawPadding = 100; | |
68 | ||
69 | const QColor DecodeTrace::Colours[7] = { | |
70 | QColor(0xFC, 0xE9, 0x4F), // Light Butter | |
71 | QColor(0xFC, 0xAF, 0x3E), // Light Orange | |
72 | QColor(0xE9, 0xB9, 0x6E), // Light Chocolate | |
73 | QColor(0x8A, 0xE2, 0x34), // Light Green | |
74 | QColor(0x72, 0x9F, 0xCF), // Light Blue | |
75 | QColor(0xAD, 0x7F, 0xA8), // Light Plum | |
76 | QColor(0xEF, 0x29, 0x29) // Light Red | |
77 | }; | |
78 | ||
79 | DecodeTrace::DecodeTrace(pv::SigSession &session, | |
80 | boost::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) : | |
81 | Trace(session, QString::fromUtf8( | |
82 | decoder_stack->stack().front()->decoder()->name)), | |
83 | _decoder_stack(decoder_stack), | |
84 | _delete_mapper(this) | |
85 | { | |
86 | assert(_decoder_stack); | |
87 | ||
88 | _colour = DecodeColours[index % countof(DecodeColours)]; | |
89 | ||
90 | connect(_decoder_stack.get(), SIGNAL(new_decode_data()), | |
91 | this, SLOT(on_new_decode_data())); | |
92 | connect(&_delete_mapper, SIGNAL(mapped(int)), | |
93 | this, SLOT(on_delete_decoder(int))); | |
94 | } | |
95 | ||
96 | bool DecodeTrace::enabled() const | |
97 | { | |
98 | return true; | |
99 | } | |
100 | ||
101 | const boost::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const | |
102 | { | |
103 | return _decoder_stack; | |
104 | } | |
105 | ||
106 | void DecodeTrace::set_view(pv::view::View *view) | |
107 | { | |
108 | assert(view); | |
109 | Trace::set_view(view); | |
110 | } | |
111 | ||
112 | void DecodeTrace::paint_back(QPainter &p, int left, int right) | |
113 | { | |
114 | Trace::paint_back(p, left, right); | |
115 | paint_axis(p, get_y(), left, right); | |
116 | } | |
117 | ||
118 | void DecodeTrace::paint_mid(QPainter &p, int left, int right) | |
119 | { | |
120 | using pv::data::decode::Annotation; | |
121 | ||
122 | const double scale = _view->scale(); | |
123 | assert(scale > 0); | |
124 | ||
125 | double samplerate = _decoder_stack->samplerate(); | |
126 | ||
127 | // Show sample rate as 1Hz when it is unknown | |
128 | if (samplerate == 0.0) | |
129 | samplerate = 1.0; | |
130 | ||
131 | const double pixels_offset = (_view->offset() - | |
132 | _decoder_stack->get_start_time()) / scale; | |
133 | const double samples_per_pixel = samplerate * scale; | |
134 | ||
135 | QFontMetrics m(QApplication::font()); | |
136 | const int h = (m.boundingRect(QRect(), 0, "Tg").height() * 5) / 4; | |
137 | ||
138 | assert(_decoder_stack); | |
139 | const QString err = _decoder_stack->error_message(); | |
140 | if (!err.isEmpty()) | |
141 | { | |
142 | draw_error(p, err, left, right); | |
143 | draw_unresolved_period(p, h, left, right, samples_per_pixel, | |
144 | pixels_offset); | |
145 | return; | |
146 | } | |
147 | ||
148 | assert(_view); | |
149 | const int y = get_y(); | |
150 | ||
151 | assert(_decoder_stack); | |
152 | vector<Annotation> annotations(_decoder_stack->annotations()); | |
153 | BOOST_FOREACH(const Annotation &a, annotations) | |
154 | draw_annotation(a, p, get_text_colour(), h, left, right, | |
155 | samples_per_pixel, pixels_offset, y); | |
156 | ||
157 | draw_unresolved_period(p, h, left, right, | |
158 | samples_per_pixel, pixels_offset); | |
159 | } | |
160 | ||
161 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
162 | { | |
163 | using pv::data::decode::Decoder; | |
164 | ||
165 | assert(form); | |
166 | assert(parent); | |
167 | assert(_decoder_stack); | |
168 | ||
169 | // Add the standard options | |
170 | Trace::populate_popup_form(parent, form); | |
171 | ||
172 | // Add the decoder options | |
173 | _bindings.clear(); | |
174 | _probe_selectors.clear(); | |
175 | ||
176 | const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack(); | |
177 | ||
178 | if (stack.empty()) | |
179 | { | |
180 | QLabel *const l = new QLabel( | |
181 | tr("<p><i>No decoders in the stack</i></p>")); | |
182 | l->setAlignment(Qt::AlignCenter); | |
183 | form->addRow(l); | |
184 | } | |
185 | else | |
186 | { | |
187 | list< shared_ptr<Decoder> >::const_iterator iter = | |
188 | stack.begin(); | |
189 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
190 | shared_ptr<Decoder> dec(*iter); | |
191 | create_decoder_form(i, dec, parent, form); | |
192 | } | |
193 | ||
194 | form->addRow(new QLabel( | |
195 | tr("<i>* Required Probes</i>"), parent)); | |
196 | } | |
197 | ||
198 | // Add stacking button | |
199 | pv::widgets::DecoderMenu *const decoder_menu = | |
200 | new pv::widgets::DecoderMenu(parent); | |
201 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
202 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
203 | ||
204 | QPushButton *const stack_button = | |
205 | new QPushButton(tr("Stack Decoder"), parent); | |
206 | stack_button->setMenu(decoder_menu); | |
207 | ||
208 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
209 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
210 | form->addRow(stack_button_box); | |
211 | } | |
212 | ||
213 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
214 | { | |
215 | QMenu *const menu = Trace::create_context_menu(parent); | |
216 | ||
217 | menu->addSeparator(); | |
218 | ||
219 | QAction *const del = new QAction(tr("Delete"), this); | |
220 | del->setShortcuts(QKeySequence::Delete); | |
221 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
222 | menu->addAction(del); | |
223 | ||
224 | return menu; | |
225 | } | |
226 | ||
227 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, | |
228 | QColor text_color, int h, int left, int right, double samples_per_pixel, | |
229 | double pixels_offset, int y) const | |
230 | { | |
231 | const double start = a.start_sample() / samples_per_pixel - | |
232 | pixels_offset; | |
233 | const double end = a.end_sample() / samples_per_pixel - | |
234 | pixels_offset; | |
235 | const QColor fill = Colours[(a.format() * (countof(Colours) / 2 + 1)) % | |
236 | countof(Colours)]; | |
237 | const QColor outline(fill.darker()); | |
238 | ||
239 | if (start > right + DrawPadding || end < left - DrawPadding) | |
240 | return; | |
241 | ||
242 | if (a.start_sample() == a.end_sample()) | |
243 | draw_instant(a, p, fill, outline, text_color, h, | |
244 | start, y); | |
245 | else | |
246 | draw_range(a, p, fill, outline, text_color, h, | |
247 | start, end, y); | |
248 | } | |
249 | ||
250 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
251 | QColor fill, QColor outline, QColor text_color, int h, double x, int y) const | |
252 | { | |
253 | const QString text = a.annotations().empty() ? | |
254 | QString() : a.annotations().back(); | |
255 | const double w = min(p.boundingRect(QRectF(), 0, text).width(), | |
256 | 0.0) + h; | |
257 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
258 | ||
259 | p.setPen(outline); | |
260 | p.setBrush(fill); | |
261 | p.drawRoundedRect(rect, h / 2, h / 2); | |
262 | ||
263 | p.setPen(text_color); | |
264 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
265 | } | |
266 | ||
267 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
268 | QColor fill, QColor outline, QColor text_color, int h, double start, | |
269 | double end, int y) const | |
270 | { | |
271 | const double top = y + .5 - h / 2; | |
272 | const double bottom = y + .5 + h / 2; | |
273 | const vector<QString> annotations = a.annotations(); | |
274 | ||
275 | p.setPen(outline); | |
276 | p.setBrush(fill); | |
277 | ||
278 | // If the two ends are within 1 pixel, draw a vertical line | |
279 | if (start + 1.0 > end) | |
280 | { | |
281 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
282 | return; | |
283 | } | |
284 | ||
285 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
286 | ||
287 | QPointF pts[] = { | |
288 | QPointF(start, y + .5f), | |
289 | QPointF(start + cap_width, top), | |
290 | QPointF(end - cap_width, top), | |
291 | QPointF(end, y + .5f), | |
292 | QPointF(end - cap_width, bottom), | |
293 | QPointF(start + cap_width, bottom) | |
294 | }; | |
295 | ||
296 | p.drawConvexPolygon(pts, countof(pts)); | |
297 | ||
298 | if (annotations.empty()) | |
299 | return; | |
300 | ||
301 | QRectF rect(start + cap_width, y - h / 2, | |
302 | end - start - cap_width * 2, h); | |
303 | p.setPen(text_color); | |
304 | ||
305 | // Try to find an annotation that will fit | |
306 | QString best_annotation; | |
307 | int best_width = 0; | |
308 | ||
309 | BOOST_FOREACH(const QString &a, annotations) { | |
310 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
311 | if (w <= rect.width() && w > best_width) | |
312 | best_annotation = a, best_width = w; | |
313 | } | |
314 | ||
315 | if (best_annotation.isEmpty()) | |
316 | best_annotation = annotations.back(); | |
317 | ||
318 | // If not ellide the last in the list | |
319 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
320 | best_annotation, Qt::ElideRight, rect.width())); | |
321 | } | |
322 | ||
323 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
324 | int left, int right) | |
325 | { | |
326 | const int y = get_y(); | |
327 | ||
328 | p.setPen(ErrorBgColour.darker()); | |
329 | p.setBrush(ErrorBgColour); | |
330 | ||
331 | const QRectF bounding_rect = | |
332 | QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX); | |
333 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
334 | Qt::AlignCenter, message); | |
335 | const float r = text_rect.height() / 4; | |
336 | ||
337 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
338 | Qt::AbsoluteSize); | |
339 | ||
340 | p.setPen(get_text_colour()); | |
341 | p.drawText(text_rect, message); | |
342 | } | |
343 | ||
344 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
345 | int right, double samples_per_pixel, double pixels_offset) | |
346 | { | |
347 | using namespace pv::data; | |
348 | using pv::data::decode::Decoder; | |
349 | ||
350 | assert(_decoder_stack); | |
351 | ||
352 | shared_ptr<Logic> data; | |
353 | shared_ptr<LogicSignal> logic_signal; | |
354 | ||
355 | const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack(); | |
356 | ||
357 | // We get the logic data of the first probe in the list. | |
358 | // This works because we are currently assuming all | |
359 | // LogicSignals have the same data/snapshot | |
360 | BOOST_FOREACH (const shared_ptr<Decoder> &dec, stack) | |
361 | if (dec && !dec->probes().empty() && | |
362 | ((logic_signal = (*dec->probes().begin()).second)) && | |
363 | ((data = logic_signal->logic_data()))) | |
364 | break; | |
365 | ||
366 | if (!data || data->get_snapshots().empty()) | |
367 | return; | |
368 | ||
369 | const shared_ptr<LogicSnapshot> snapshot = | |
370 | data->get_snapshots().front(); | |
371 | assert(snapshot); | |
372 | const int64_t sample_count = (int64_t)snapshot->get_sample_count(); | |
373 | if (sample_count == 0) | |
374 | return; | |
375 | ||
376 | const int64_t samples_decoded = _decoder_stack->samples_decoded(); | |
377 | if (sample_count == samples_decoded) | |
378 | return; | |
379 | ||
380 | const int y = get_y(); | |
381 | const double start = max(samples_decoded / | |
382 | samples_per_pixel - pixels_offset, left - 1.0); | |
383 | const double end = min(sample_count / samples_per_pixel - | |
384 | pixels_offset, right + 1.0); | |
385 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
386 | ||
387 | p.setPen(QPen(Qt::NoPen)); | |
388 | p.setBrush(Qt::white); | |
389 | p.drawRect(no_decode_rect); | |
390 | ||
391 | p.setPen(NoDecodeColour); | |
392 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
393 | p.drawRect(no_decode_rect); | |
394 | } | |
395 | ||
396 | void DecodeTrace::create_decoder_form(int index, | |
397 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
398 | QFormLayout *form) | |
399 | { | |
400 | const GSList *probe; | |
401 | ||
402 | assert(dec); | |
403 | const srd_decoder *const decoder = dec->decoder(); | |
404 | assert(decoder); | |
405 | ||
406 | pv::widgets::DecoderGroupBox *const group = | |
407 | new pv::widgets::DecoderGroupBox( | |
408 | QString::fromUtf8(decoder->name)); | |
409 | ||
410 | _delete_mapper.setMapping(group, index); | |
411 | connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map())); | |
412 | ||
413 | QFormLayout *const decoder_form = new QFormLayout; | |
414 | group->add_layout(decoder_form); | |
415 | ||
416 | // Add the mandatory probes | |
417 | for(probe = decoder->probes; probe; probe = probe->next) { | |
418 | const struct srd_probe *const p = | |
419 | (struct srd_probe *)probe->data; | |
420 | QComboBox *const combo = create_probe_selector(parent, dec, p); | |
421 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
422 | this, SLOT(on_probe_selected(int))); | |
423 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
424 | .arg(p->name).arg(p->desc), combo); | |
425 | ||
426 | const ProbeSelector s = {combo, dec, p}; | |
427 | _probe_selectors.push_back(s); | |
428 | } | |
429 | ||
430 | // Add the optional probes | |
431 | for(probe = decoder->opt_probes; probe; probe = probe->next) { | |
432 | const struct srd_probe *const p = | |
433 | (struct srd_probe *)probe->data; | |
434 | QComboBox *const combo = create_probe_selector(parent, dec, p); | |
435 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
436 | this, SLOT(on_probe_selected(int))); | |
437 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
438 | .arg(p->name).arg(p->desc), combo); | |
439 | ||
440 | const ProbeSelector s = {combo, dec, p}; | |
441 | _probe_selectors.push_back(s); | |
442 | } | |
443 | ||
444 | // Add the options | |
445 | shared_ptr<prop::binding::DecoderOptions> binding( | |
446 | new prop::binding::DecoderOptions(_decoder_stack, dec)); | |
447 | binding->add_properties_to_form(decoder_form, true); | |
448 | ||
449 | _bindings.push_back(binding); | |
450 | ||
451 | form->addRow(group); | |
452 | } | |
453 | ||
454 | QComboBox* DecodeTrace::create_probe_selector( | |
455 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
456 | const srd_probe *const probe) | |
457 | { | |
458 | assert(dec); | |
459 | ||
460 | const vector< shared_ptr<Signal> > sigs = _session.get_signals(); | |
461 | ||
462 | assert(_decoder_stack); | |
463 | const map<const srd_probe*, | |
464 | shared_ptr<LogicSignal> >::const_iterator probe_iter = | |
465 | dec->probes().find(probe); | |
466 | ||
467 | QComboBox *selector = new QComboBox(parent); | |
468 | ||
469 | selector->addItem("-", qVariantFromValue((void*)NULL)); | |
470 | ||
471 | if (probe_iter == dec->probes().end()) | |
472 | selector->setCurrentIndex(0); | |
473 | ||
474 | for(size_t i = 0; i < sigs.size(); i++) { | |
475 | const shared_ptr<view::Signal> s(sigs[i]); | |
476 | assert(s); | |
477 | ||
478 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) | |
479 | { | |
480 | selector->addItem(s->get_name(), | |
481 | qVariantFromValue((void*)s.get())); | |
482 | if ((*probe_iter).second == s) | |
483 | selector->setCurrentIndex(i + 1); | |
484 | } | |
485 | } | |
486 | ||
487 | return selector; | |
488 | } | |
489 | ||
490 | void DecodeTrace::commit_decoder_probes(shared_ptr<data::decode::Decoder> &dec) | |
491 | { | |
492 | assert(dec); | |
493 | ||
494 | map<const srd_probe*, shared_ptr<LogicSignal> > probe_map; | |
495 | const vector< shared_ptr<Signal> > sigs = _session.get_signals(); | |
496 | ||
497 | BOOST_FOREACH(const ProbeSelector &s, _probe_selectors) | |
498 | { | |
499 | if(s._decoder != dec) | |
500 | break; | |
501 | ||
502 | const LogicSignal *const selection = | |
503 | (LogicSignal*)s._combo->itemData( | |
504 | s._combo->currentIndex()).value<void*>(); | |
505 | ||
506 | BOOST_FOREACH(shared_ptr<Signal> sig, sigs) | |
507 | if(sig.get() == selection) { | |
508 | probe_map[s._probe] = | |
509 | dynamic_pointer_cast<LogicSignal>(sig); | |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
514 | dec->set_probes(probe_map); | |
515 | } | |
516 | ||
517 | void DecodeTrace::commit_probes() | |
518 | { | |
519 | assert(_decoder_stack); | |
520 | BOOST_FOREACH(shared_ptr<data::decode::Decoder> dec, | |
521 | _decoder_stack->stack()) | |
522 | commit_decoder_probes(dec); | |
523 | ||
524 | _decoder_stack->begin_decode(); | |
525 | } | |
526 | ||
527 | void DecodeTrace::on_new_decode_data() | |
528 | { | |
529 | if (_view) | |
530 | _view->update_viewport(); | |
531 | } | |
532 | ||
533 | void DecodeTrace::delete_pressed() | |
534 | { | |
535 | on_delete(); | |
536 | } | |
537 | ||
538 | void DecodeTrace::on_delete() | |
539 | { | |
540 | _session.remove_decode_signal(this); | |
541 | } | |
542 | ||
543 | void DecodeTrace::on_probe_selected(int) | |
544 | { | |
545 | commit_probes(); | |
546 | } | |
547 | ||
548 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
549 | { | |
550 | assert(decoder); | |
551 | assert(_decoder_stack); | |
552 | _decoder_stack->push(shared_ptr<data::decode::Decoder>( | |
553 | new data::decode::Decoder(decoder))); | |
554 | _decoder_stack->begin_decode(); | |
555 | ||
556 | create_popup_form(); | |
557 | } | |
558 | ||
559 | void DecodeTrace::on_delete_decoder(int index) | |
560 | { | |
561 | _decoder_stack->remove(index); | |
562 | ||
563 | // Update the popup | |
564 | create_popup_form(); | |
565 | ||
566 | _decoder_stack->begin_decode(); | |
567 | } | |
568 | ||
569 | } // namespace view | |
570 | } // namespace pv |