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