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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 | #ifdef ENABLE_DECODE | |
22 | #include <libsigrokdecode/libsigrokdecode.h> | |
23 | #endif | |
24 | ||
25 | #include <extdef.h> | |
26 | ||
27 | #include <cassert> | |
28 | #include <climits> | |
29 | #include <cmath> | |
30 | #include <mutex> | |
31 | #include <unordered_set> | |
32 | ||
33 | #include <QApplication> | |
34 | #include <QEvent> | |
35 | #include <QFontMetrics> | |
36 | #include <QMouseEvent> | |
37 | #include <QScrollBar> | |
38 | ||
39 | #include <libsigrok/libsigrok.hpp> | |
40 | ||
41 | #include "decodetrace.hpp" | |
42 | #include "header.hpp" | |
43 | #include "logicsignal.hpp" | |
44 | #include "ruler.hpp" | |
45 | #include "signal.hpp" | |
46 | #include "tracegroup.hpp" | |
47 | #include "view.hpp" | |
48 | #include "viewport.hpp" | |
49 | ||
50 | #include "pv/session.hpp" | |
51 | #include "pv/data/logic.hpp" | |
52 | #include "pv/data/logicsegment.hpp" | |
53 | #include "pv/util.hpp" | |
54 | ||
55 | using boost::shared_lock; | |
56 | using boost::shared_mutex; | |
57 | ||
58 | using pv::data::SignalData; | |
59 | using pv::data::Segment; | |
60 | using pv::util::format_time; | |
61 | ||
62 | using std::deque; | |
63 | using std::dynamic_pointer_cast; | |
64 | using std::list; | |
65 | using std::lock_guard; | |
66 | using std::max; | |
67 | using std::make_pair; | |
68 | using std::min; | |
69 | using std::pair; | |
70 | using std::set; | |
71 | using std::shared_ptr; | |
72 | using std::unordered_map; | |
73 | using std::unordered_set; | |
74 | using std::vector; | |
75 | using std::weak_ptr; | |
76 | ||
77 | namespace pv { | |
78 | namespace view { | |
79 | ||
80 | const double View::MaxScale = 1e9; | |
81 | const double View::MinScale = 1e-15; | |
82 | ||
83 | const int View::MaxScrollValue = INT_MAX / 2; | |
84 | ||
85 | const int View::ScaleUnits[3] = {1, 2, 5}; | |
86 | ||
87 | View::View(Session &session, QWidget *parent) : | |
88 | QAbstractScrollArea(parent), | |
89 | session_(session), | |
90 | viewport_(new Viewport(*this)), | |
91 | ruler_(new Ruler(*this)), | |
92 | header_(new Header(*this)), | |
93 | scale_(1e-6), | |
94 | offset_(0), | |
95 | updating_scroll_(false), | |
96 | tick_period_(0.0), | |
97 | tick_prefix_(0), | |
98 | show_cursors_(false), | |
99 | cursors_(new CursorPair(*this)), | |
100 | next_flag_text_('A'), | |
101 | hover_point_(-1, -1) | |
102 | { | |
103 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), | |
104 | this, SLOT(h_scroll_value_changed(int))); | |
105 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), | |
106 | this, SLOT(v_scroll_value_changed())); | |
107 | ||
108 | connect(&session_, SIGNAL(signals_changed()), | |
109 | this, SLOT(signals_changed())); | |
110 | connect(&session_, SIGNAL(capture_state_changed(int)), | |
111 | this, SLOT(data_updated())); | |
112 | connect(&session_, SIGNAL(data_received()), | |
113 | this, SLOT(data_updated())); | |
114 | connect(&session_, SIGNAL(frame_ended()), | |
115 | this, SLOT(data_updated())); | |
116 | ||
117 | connect(header_, SIGNAL(selection_changed()), | |
118 | ruler_, SLOT(clear_selection())); | |
119 | connect(ruler_, SIGNAL(selection_changed()), | |
120 | header_, SLOT(clear_selection())); | |
121 | ||
122 | connect(header_, SIGNAL(selection_changed()), | |
123 | this, SIGNAL(selection_changed())); | |
124 | connect(ruler_, SIGNAL(selection_changed()), | |
125 | this, SIGNAL(selection_changed())); | |
126 | ||
127 | connect(this, SIGNAL(hover_point_changed()), | |
128 | this, SLOT(on_hover_point_changed())); | |
129 | ||
130 | connect(&lazy_event_handler_, SIGNAL(timeout()), | |
131 | this, SLOT(process_sticky_events())); | |
132 | lazy_event_handler_.setSingleShot(true); | |
133 | ||
134 | setViewport(viewport_); | |
135 | ||
136 | viewport_->installEventFilter(this); | |
137 | ruler_->installEventFilter(this); | |
138 | header_->installEventFilter(this); | |
139 | ||
140 | // Trigger the initial event manually. The default device has signals | |
141 | // which were created before this object came into being | |
142 | signals_changed(); | |
143 | ||
144 | // make sure the transparent widgets are on the top | |
145 | ruler_->raise(); | |
146 | header_->raise(); | |
147 | ||
148 | // Update the zoom state | |
149 | calculate_tick_spacing(); | |
150 | } | |
151 | ||
152 | Session& View::session() | |
153 | { | |
154 | return session_; | |
155 | } | |
156 | ||
157 | const Session& View::session() const | |
158 | { | |
159 | return session_; | |
160 | } | |
161 | ||
162 | View* View::view() | |
163 | { | |
164 | return this; | |
165 | } | |
166 | ||
167 | const View* View::view() const | |
168 | { | |
169 | return this; | |
170 | } | |
171 | ||
172 | Viewport* View::viewport() | |
173 | { | |
174 | return viewport_; | |
175 | } | |
176 | ||
177 | const Viewport* View::viewport() const | |
178 | { | |
179 | return viewport_; | |
180 | } | |
181 | ||
182 | vector< shared_ptr<TimeItem> > View::time_items() const | |
183 | { | |
184 | const vector<shared_ptr<Flag>> f(flags()); | |
185 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
186 | items.push_back(cursors_); | |
187 | items.push_back(cursors_->first()); | |
188 | items.push_back(cursors_->second()); | |
189 | return items; | |
190 | } | |
191 | ||
192 | double View::scale() const | |
193 | { | |
194 | return scale_; | |
195 | } | |
196 | ||
197 | double View::offset() const | |
198 | { | |
199 | return offset_; | |
200 | } | |
201 | ||
202 | int View::owner_visual_v_offset() const | |
203 | { | |
204 | return -verticalScrollBar()->sliderPosition(); | |
205 | } | |
206 | ||
207 | void View::set_v_offset(int offset) | |
208 | { | |
209 | verticalScrollBar()->setSliderPosition(offset); | |
210 | header_->update(); | |
211 | viewport_->update(); | |
212 | } | |
213 | ||
214 | unsigned int View::depth() const | |
215 | { | |
216 | return 0; | |
217 | } | |
218 | ||
219 | unsigned int View::tick_prefix() const | |
220 | { | |
221 | return tick_prefix_; | |
222 | } | |
223 | ||
224 | double View::tick_period() const | |
225 | { | |
226 | return tick_period_; | |
227 | } | |
228 | ||
229 | void View::zoom(double steps) | |
230 | { | |
231 | zoom(steps, viewport_->width() / 2); | |
232 | } | |
233 | ||
234 | void View::zoom(double steps, int offset) | |
235 | { | |
236 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); | |
237 | } | |
238 | ||
239 | void View::zoom_fit() | |
240 | { | |
241 | const pair<double, double> extents = get_time_extents(); | |
242 | const double delta = extents.second - extents.first; | |
243 | if (delta < 1e-12) | |
244 | return; | |
245 | ||
246 | assert(viewport_); | |
247 | const int w = viewport_->width(); | |
248 | if (w <= 0) | |
249 | return; | |
250 | ||
251 | const double scale = max(min(delta / w, MaxScale), MinScale); | |
252 | set_scale_offset(scale, extents.first); | |
253 | } | |
254 | ||
255 | void View::zoom_one_to_one() | |
256 | { | |
257 | using pv::data::SignalData; | |
258 | ||
259 | // Make a set of all the visible data objects | |
260 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
261 | if (visible_data.empty()) | |
262 | return; | |
263 | ||
264 | double samplerate = 0.0; | |
265 | for (const shared_ptr<SignalData> d : visible_data) { | |
266 | assert(d); | |
267 | const vector< shared_ptr<Segment> > segments = | |
268 | d->segments(); | |
269 | for (const shared_ptr<Segment> &s : segments) | |
270 | samplerate = max(samplerate, s->samplerate()); | |
271 | } | |
272 | ||
273 | if (samplerate == 0.0) | |
274 | return; | |
275 | ||
276 | assert(viewport_); | |
277 | const int w = viewport_->width(); | |
278 | if (w <= 0) | |
279 | return; | |
280 | ||
281 | set_zoom(1.0 / samplerate, w / 2); | |
282 | } | |
283 | ||
284 | void View::set_scale_offset(double scale, double offset) | |
285 | { | |
286 | scale_ = scale; | |
287 | offset_ = offset; | |
288 | ||
289 | calculate_tick_spacing(); | |
290 | ||
291 | update_scroll(); | |
292 | ruler_->update(); | |
293 | viewport_->update(); | |
294 | scale_offset_changed(); | |
295 | } | |
296 | ||
297 | set< shared_ptr<SignalData> > View::get_visible_data() const | |
298 | { | |
299 | shared_lock<shared_mutex> lock(session().signals_mutex()); | |
300 | const vector< shared_ptr<Signal> > &sigs(session().signals()); | |
301 | ||
302 | // Make a set of all the visible data objects | |
303 | set< shared_ptr<SignalData> > visible_data; | |
304 | for (const shared_ptr<Signal> sig : sigs) | |
305 | if (sig->enabled()) | |
306 | visible_data.insert(sig->data()); | |
307 | ||
308 | return visible_data; | |
309 | } | |
310 | ||
311 | pair<double, double> View::get_time_extents() const | |
312 | { | |
313 | double left_time = DBL_MAX, right_time = DBL_MIN; | |
314 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
315 | for (const shared_ptr<SignalData> d : visible_data) | |
316 | { | |
317 | const vector< shared_ptr<Segment> > segments = | |
318 | d->segments(); | |
319 | for (const shared_ptr<Segment> &s : segments) { | |
320 | double samplerate = s->samplerate(); | |
321 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
322 | ||
323 | const double start_time = s->start_time(); | |
324 | left_time = min(left_time, start_time); | |
325 | right_time = max(right_time, start_time + | |
326 | d->get_max_sample_count() / samplerate); | |
327 | } | |
328 | } | |
329 | ||
330 | if (left_time == DBL_MAX && right_time == DBL_MIN) | |
331 | return make_pair(0.0, 0.0); | |
332 | ||
333 | assert(left_time < right_time); | |
334 | return make_pair(left_time, right_time); | |
335 | } | |
336 | ||
337 | bool View::cursors_shown() const | |
338 | { | |
339 | return show_cursors_; | |
340 | } | |
341 | ||
342 | void View::show_cursors(bool show) | |
343 | { | |
344 | show_cursors_ = show; | |
345 | ruler_->update(); | |
346 | viewport_->update(); | |
347 | } | |
348 | ||
349 | void View::centre_cursors() | |
350 | { | |
351 | const double time_width = scale_ * viewport_->width(); | |
352 | cursors_->first()->set_time(offset_ + time_width * 0.4); | |
353 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
354 | ruler_->update(); | |
355 | viewport_->update(); | |
356 | } | |
357 | ||
358 | std::shared_ptr<CursorPair> View::cursors() const | |
359 | { | |
360 | return cursors_; | |
361 | } | |
362 | ||
363 | void View::add_flag(double time) | |
364 | { | |
365 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
366 | QString("%1").arg(next_flag_text_)))); | |
367 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : | |
368 | (next_flag_text_ + 1); | |
369 | time_item_appearance_changed(true, true); | |
370 | } | |
371 | ||
372 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
373 | { | |
374 | flags_.remove(flag); | |
375 | time_item_appearance_changed(true, true); | |
376 | } | |
377 | ||
378 | vector< std::shared_ptr<Flag> > View::flags() const | |
379 | { | |
380 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
381 | stable_sort(flags.begin(), flags.end(), | |
382 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
383 | return a->time() < b->time(); | |
384 | }); | |
385 | ||
386 | return flags; | |
387 | } | |
388 | ||
389 | const QPoint& View::hover_point() const | |
390 | { | |
391 | return hover_point_; | |
392 | } | |
393 | ||
394 | void View::update_viewport() | |
395 | { | |
396 | assert(viewport_); | |
397 | viewport_->update(); | |
398 | header_->update(); | |
399 | } | |
400 | ||
401 | void View::restack_all_row_items() | |
402 | { | |
403 | // Make a set of owners | |
404 | unordered_set< RowItemOwner* > owners; | |
405 | for (const auto &r : *this) | |
406 | owners.insert(r->owner()); | |
407 | ||
408 | // Make a list that is sorted from deepest first | |
409 | vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end()); | |
410 | sort(sorted_owners.begin(), sorted_owners.end(), | |
411 | [](const RowItemOwner* a, const RowItemOwner *b) { | |
412 | return a->depth() > b->depth(); }); | |
413 | ||
414 | // Restack the items recursively | |
415 | for (auto &o : sorted_owners) | |
416 | o->restack_items(); | |
417 | ||
418 | // Animate the items to their destination | |
419 | for (const auto &r : *this) | |
420 | r->animate_to_layout_v_offset(); | |
421 | } | |
422 | ||
423 | void View::get_scroll_layout(double &length, double &offset) const | |
424 | { | |
425 | const pair<double, double> extents = get_time_extents(); | |
426 | length = (extents.second - extents.first) / scale_; | |
427 | offset = offset_ / scale_; | |
428 | } | |
429 | ||
430 | void View::set_zoom(double scale, int offset) | |
431 | { | |
432 | const double cursor_offset = offset_ + scale_ * offset; | |
433 | const double new_scale = max(min(scale, MaxScale), MinScale); | |
434 | const double new_offset = cursor_offset - new_scale * offset; | |
435 | set_scale_offset(new_scale, new_offset); | |
436 | } | |
437 | ||
438 | void View::calculate_tick_spacing() | |
439 | { | |
440 | const double SpacingIncrement = 32.0f; | |
441 | const double MinValueSpacing = 32.0f; | |
442 | ||
443 | double min_width = SpacingIncrement, typical_width; | |
444 | ||
445 | QFontMetrics m(QApplication::font()); | |
446 | ||
447 | do { | |
448 | const double min_period = scale_ * min_width; | |
449 | ||
450 | const int order = (int)floorf(log10f(min_period)); | |
451 | const double order_decimal = pow(10.0, order); | |
452 | ||
453 | unsigned int unit = 0; | |
454 | ||
455 | do { | |
456 | tick_period_ = order_decimal * ScaleUnits[unit++]; | |
457 | } while (tick_period_ < min_period && | |
458 | unit < countof(ScaleUnits)); | |
459 | ||
460 | tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3; | |
461 | ||
462 | typical_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
463 | Qt::AlignLeft | Qt::AlignTop, | |
464 | format_time(offset_, tick_prefix_)).width() + | |
465 | MinValueSpacing; | |
466 | ||
467 | min_width += SpacingIncrement; | |
468 | ||
469 | } while(typical_width > tick_period_ / scale_); | |
470 | } | |
471 | ||
472 | void View::update_scroll() | |
473 | { | |
474 | assert(viewport_); | |
475 | ||
476 | const QSize areaSize = viewport_->size(); | |
477 | ||
478 | // Set the horizontal scroll bar | |
479 | double length = 0, offset = 0; | |
480 | get_scroll_layout(length, offset); | |
481 | length = max(length - areaSize.width(), 0.0); | |
482 | ||
483 | int major_tick_distance = tick_period_ / scale_; | |
484 | ||
485 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); | |
486 | horizontalScrollBar()->setSingleStep(major_tick_distance); | |
487 | ||
488 | updating_scroll_ = true; | |
489 | ||
490 | if (length < MaxScrollValue) { | |
491 | horizontalScrollBar()->setRange(0, length); | |
492 | horizontalScrollBar()->setSliderPosition(offset); | |
493 | } else { | |
494 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
495 | horizontalScrollBar()->setSliderPosition( | |
496 | offset_ * MaxScrollValue / (scale_ * length)); | |
497 | } | |
498 | ||
499 | updating_scroll_ = false; | |
500 | ||
501 | // Set the vertical scrollbar | |
502 | verticalScrollBar()->setPageStep(areaSize.height()); | |
503 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); | |
504 | ||
505 | const pair<int, int> extents = v_extents(); | |
506 | verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2), | |
507 | extents.second - (areaSize.height() / 2)); | |
508 | } | |
509 | ||
510 | void View::update_layout() | |
511 | { | |
512 | setViewportMargins( | |
513 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, | |
514 | ruler_->sizeHint().height(), 0, 0); | |
515 | ruler_->setGeometry(viewport_->x(), 0, | |
516 | viewport_->width(), ruler_->extended_size_hint().height()); | |
517 | header_->setGeometry(0, viewport_->y(), | |
518 | header_->extended_size_hint().width(), viewport_->height()); | |
519 | update_scroll(); | |
520 | } | |
521 | ||
522 | void View::paint_label(QPainter &p, const QRect &rect, bool hover) | |
523 | { | |
524 | (void)p; | |
525 | (void)rect; | |
526 | (void)hover; | |
527 | } | |
528 | ||
529 | QRectF View::label_rect(const QRectF &rect) | |
530 | { | |
531 | (void)rect; | |
532 | return QRectF(); | |
533 | } | |
534 | ||
535 | bool View::add_channels_to_owner( | |
536 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
537 | RowItemOwner *owner, int &offset, | |
538 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
539 | &signal_map, | |
540 | std::function<bool (shared_ptr<RowItem>)> filter_func) | |
541 | { | |
542 | bool any_added = false; | |
543 | ||
544 | assert(owner); | |
545 | ||
546 | for (const auto &channel : channels) | |
547 | { | |
548 | const auto iter = signal_map.find(channel); | |
549 | if (iter == signal_map.end() || | |
550 | (filter_func && !filter_func((*iter).second))) | |
551 | continue; | |
552 | ||
553 | shared_ptr<RowItem> row_item = (*iter).second; | |
554 | owner->add_child_item(row_item); | |
555 | apply_offset(row_item, offset); | |
556 | signal_map.erase(iter); | |
557 | ||
558 | any_added = true; | |
559 | } | |
560 | ||
561 | return any_added; | |
562 | } | |
563 | ||
564 | void View::apply_offset(shared_ptr<RowItem> row_item, int &offset) { | |
565 | assert(row_item); | |
566 | const pair<int, int> extents = row_item->v_extents(); | |
567 | if (row_item->enabled()) | |
568 | offset += -extents.first; | |
569 | row_item->force_to_v_offset(offset); | |
570 | if (row_item->enabled()) | |
571 | offset += extents.second; | |
572 | } | |
573 | ||
574 | bool View::eventFilter(QObject *object, QEvent *event) | |
575 | { | |
576 | const QEvent::Type type = event->type(); | |
577 | if (type == QEvent::MouseMove) { | |
578 | ||
579 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
580 | if (object == viewport_) | |
581 | hover_point_ = mouse_event->pos(); | |
582 | else if (object == ruler_) | |
583 | hover_point_ = QPoint(mouse_event->x(), 0); | |
584 | else if (object == header_) | |
585 | hover_point_ = QPoint(0, mouse_event->y()); | |
586 | else | |
587 | hover_point_ = QPoint(-1, -1); | |
588 | ||
589 | hover_point_changed(); | |
590 | ||
591 | } else if (type == QEvent::Leave) { | |
592 | hover_point_ = QPoint(-1, -1); | |
593 | hover_point_changed(); | |
594 | } | |
595 | ||
596 | return QObject::eventFilter(object, event); | |
597 | } | |
598 | ||
599 | bool View::viewportEvent(QEvent *e) | |
600 | { | |
601 | switch(e->type()) { | |
602 | case QEvent::Paint: | |
603 | case QEvent::MouseButtonPress: | |
604 | case QEvent::MouseButtonRelease: | |
605 | case QEvent::MouseButtonDblClick: | |
606 | case QEvent::MouseMove: | |
607 | case QEvent::Wheel: | |
608 | case QEvent::TouchBegin: | |
609 | case QEvent::TouchUpdate: | |
610 | case QEvent::TouchEnd: | |
611 | return false; | |
612 | ||
613 | default: | |
614 | return QAbstractScrollArea::viewportEvent(e); | |
615 | } | |
616 | } | |
617 | ||
618 | void View::resizeEvent(QResizeEvent*) | |
619 | { | |
620 | update_layout(); | |
621 | } | |
622 | ||
623 | void View::row_item_appearance_changed(bool label, bool content) | |
624 | { | |
625 | if (label) | |
626 | header_->update(); | |
627 | if (content) | |
628 | viewport_->update(); | |
629 | } | |
630 | ||
631 | void View::time_item_appearance_changed(bool label, bool content) | |
632 | { | |
633 | if (label) | |
634 | ruler_->update(); | |
635 | if (content) | |
636 | viewport_->update(); | |
637 | } | |
638 | ||
639 | void View::extents_changed(bool horz, bool vert) | |
640 | { | |
641 | sticky_events_ |= | |
642 | (horz ? RowItemHExtentsChanged : 0) | | |
643 | (vert ? RowItemVExtentsChanged : 0); | |
644 | lazy_event_handler_.start(); | |
645 | } | |
646 | ||
647 | void View::h_scroll_value_changed(int value) | |
648 | { | |
649 | if (updating_scroll_) | |
650 | return; | |
651 | ||
652 | const int range = horizontalScrollBar()->maximum(); | |
653 | if (range < MaxScrollValue) | |
654 | offset_ = scale_ * value; | |
655 | else { | |
656 | double length = 0, offset; | |
657 | get_scroll_layout(length, offset); | |
658 | offset_ = scale_ * length * value / MaxScrollValue; | |
659 | } | |
660 | ||
661 | ruler_->update(); | |
662 | viewport_->update(); | |
663 | } | |
664 | ||
665 | void View::v_scroll_value_changed() | |
666 | { | |
667 | header_->update(); | |
668 | viewport_->update(); | |
669 | } | |
670 | ||
671 | void View::signals_changed() | |
672 | { | |
673 | int offset = 0; | |
674 | ||
675 | // Populate the traces | |
676 | clear_child_items(); | |
677 | ||
678 | shared_ptr<sigrok::Device> device = session_.device(); | |
679 | assert(device); | |
680 | ||
681 | // Collect a set of signals | |
682 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
683 | signal_map; | |
684 | ||
685 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
686 | const vector< shared_ptr<Signal> > &sigs(session_.signals()); | |
687 | ||
688 | for (const shared_ptr<Signal> &sig : sigs) | |
689 | signal_map[sig->channel()] = sig; | |
690 | ||
691 | // Populate channel groups | |
692 | for (auto entry : device->channel_groups()) | |
693 | { | |
694 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
695 | ||
696 | if (group->channels().size() <= 1) | |
697 | continue; | |
698 | ||
699 | shared_ptr<TraceGroup> trace_group(new TraceGroup()); | |
700 | int child_offset = 0; | |
701 | if (add_channels_to_owner(group->channels(), | |
702 | trace_group.get(), child_offset, signal_map)) | |
703 | { | |
704 | add_child_item(trace_group); | |
705 | apply_offset(trace_group, offset); | |
706 | } | |
707 | } | |
708 | ||
709 | // Add the remaining logic channels | |
710 | shared_ptr<TraceGroup> logic_trace_group(new TraceGroup()); | |
711 | int child_offset = 0; | |
712 | ||
713 | if (add_channels_to_owner(device->channels(), | |
714 | logic_trace_group.get(), child_offset, signal_map, | |
715 | [](shared_ptr<RowItem> r) -> bool { | |
716 | return dynamic_pointer_cast<LogicSignal>(r) != nullptr; | |
717 | })) | |
718 | ||
719 | { | |
720 | add_child_item(logic_trace_group); | |
721 | apply_offset(logic_trace_group, offset); | |
722 | } | |
723 | ||
724 | // Add the remaining channels | |
725 | add_channels_to_owner(device->channels(), this, offset, signal_map); | |
726 | assert(signal_map.empty()); | |
727 | ||
728 | // Add decode signals | |
729 | #ifdef ENABLE_DECODE | |
730 | const vector< shared_ptr<DecodeTrace> > decode_sigs( | |
731 | session().get_decode_signals()); | |
732 | for (auto s : decode_sigs) { | |
733 | add_child_item(s); | |
734 | apply_offset(s, offset); | |
735 | } | |
736 | #endif | |
737 | ||
738 | update_layout(); | |
739 | } | |
740 | ||
741 | void View::data_updated() | |
742 | { | |
743 | // Update the scroll bars | |
744 | update_scroll(); | |
745 | ||
746 | // Repaint the view | |
747 | viewport_->update(); | |
748 | } | |
749 | ||
750 | void View::process_sticky_events() | |
751 | { | |
752 | if (sticky_events_ & RowItemHExtentsChanged) | |
753 | update_layout(); | |
754 | if (sticky_events_ & RowItemVExtentsChanged) { | |
755 | restack_all_row_items(); | |
756 | update_scroll(); | |
757 | } | |
758 | ||
759 | // Clear the sticky events | |
760 | sticky_events_ = 0; | |
761 | } | |
762 | ||
763 | void View::on_hover_point_changed() | |
764 | { | |
765 | for (shared_ptr<RowItem> r : *this) | |
766 | r->hover_point_changed(); | |
767 | } | |
768 | ||
769 | } // namespace view | |
770 | } // namespace pv |