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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 "cursorheader.hpp" | |
42 | #include "decodetrace.hpp" | |
43 | #include "header.hpp" | |
44 | #include "logicsignal.hpp" | |
45 | #include "ruler.hpp" | |
46 | #include "signal.hpp" | |
47 | #include "tracegroup.hpp" | |
48 | #include "view.hpp" | |
49 | #include "viewport.hpp" | |
50 | ||
51 | #include "pv/session.hpp" | |
52 | #include "pv/data/logic.hpp" | |
53 | #include "pv/data/logicsegment.hpp" | |
54 | #include "pv/util.hpp" | |
55 | ||
56 | using boost::shared_lock; | |
57 | using boost::shared_mutex; | |
58 | ||
59 | using pv::data::SignalData; | |
60 | using pv::data::Segment; | |
61 | using pv::util::format_time; | |
62 | ||
63 | using std::back_inserter; | |
64 | using std::deque; | |
65 | using std::dynamic_pointer_cast; | |
66 | using std::list; | |
67 | using std::lock_guard; | |
68 | using std::max; | |
69 | using std::make_pair; | |
70 | using std::min; | |
71 | using std::pair; | |
72 | using std::set; | |
73 | using std::shared_ptr; | |
74 | using std::unordered_map; | |
75 | using std::unordered_set; | |
76 | using std::vector; | |
77 | using std::weak_ptr; | |
78 | ||
79 | namespace pv { | |
80 | namespace view { | |
81 | ||
82 | const double View::MaxScale = 1e9; | |
83 | const double View::MinScale = 1e-15; | |
84 | ||
85 | const int View::MaxScrollValue = INT_MAX / 2; | |
86 | ||
87 | const int View::ScaleUnits[3] = {1, 2, 5}; | |
88 | ||
89 | const QColor View::CursorAreaColour(220, 231, 243); | |
90 | ||
91 | const QSizeF View::LabelPadding(4, 0); | |
92 | ||
93 | View::View(Session &session, QWidget *parent) : | |
94 | QAbstractScrollArea(parent), | |
95 | session_(session), | |
96 | viewport_(new Viewport(*this)), | |
97 | ruler_(new Ruler(*this)), | |
98 | cursorheader_(new CursorHeader(*this)), | |
99 | header_(new Header(*this)), | |
100 | scale_(1e-6), | |
101 | offset_(0), | |
102 | v_offset_(0), | |
103 | updating_scroll_(false), | |
104 | tick_period_(0.0), | |
105 | tick_prefix_(0), | |
106 | show_cursors_(false), | |
107 | cursors_(new CursorPair(*this)), | |
108 | hover_point_(-1, -1) | |
109 | { | |
110 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), | |
111 | this, SLOT(h_scroll_value_changed(int))); | |
112 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), | |
113 | this, SLOT(v_scroll_value_changed(int))); | |
114 | ||
115 | connect(&session_, SIGNAL(signals_changed()), | |
116 | this, SLOT(signals_changed())); | |
117 | connect(&session_, SIGNAL(capture_state_changed(int)), | |
118 | this, SLOT(data_updated())); | |
119 | connect(&session_, SIGNAL(data_received()), | |
120 | this, SLOT(data_updated())); | |
121 | connect(&session_, SIGNAL(frame_ended()), | |
122 | this, SLOT(data_updated())); | |
123 | ||
124 | connect(cursors_->first().get(), SIGNAL(time_changed()), | |
125 | this, SLOT(marker_time_changed())); | |
126 | connect(cursors_->second().get(), SIGNAL(time_changed()), | |
127 | this, SLOT(marker_time_changed())); | |
128 | ||
129 | connect(header_, SIGNAL(signals_moved()), | |
130 | this, SLOT(on_signals_moved())); | |
131 | ||
132 | connect(header_, SIGNAL(selection_changed()), | |
133 | cursorheader_, SLOT(clear_selection())); | |
134 | connect(cursorheader_, SIGNAL(selection_changed()), | |
135 | header_, SLOT(clear_selection())); | |
136 | ||
137 | connect(header_, SIGNAL(selection_changed()), | |
138 | this, SIGNAL(selection_changed())); | |
139 | connect(cursorheader_, SIGNAL(selection_changed()), | |
140 | this, SIGNAL(selection_changed())); | |
141 | ||
142 | connect(this, SIGNAL(hover_point_changed()), | |
143 | this, SLOT(on_hover_point_changed())); | |
144 | ||
145 | connect(&lazy_event_handler_, SIGNAL(timeout()), | |
146 | this, SLOT(process_sticky_events())); | |
147 | lazy_event_handler_.setSingleShot(true); | |
148 | ||
149 | setViewport(viewport_); | |
150 | ||
151 | viewport_->installEventFilter(this); | |
152 | ruler_->installEventFilter(this); | |
153 | cursorheader_->installEventFilter(this); | |
154 | header_->installEventFilter(this); | |
155 | ||
156 | // Trigger the initial event manually. The default device has signals | |
157 | // which were created before this object came into being | |
158 | signals_changed(); | |
159 | ||
160 | // make sure the transparent widgets are on the top | |
161 | cursorheader_->raise(); | |
162 | header_->raise(); | |
163 | ||
164 | // Update the zoom state | |
165 | calculate_tick_spacing(); | |
166 | } | |
167 | ||
168 | Session& View::session() | |
169 | { | |
170 | return session_; | |
171 | } | |
172 | ||
173 | const Session& View::session() const | |
174 | { | |
175 | return session_; | |
176 | } | |
177 | ||
178 | View* View::view() | |
179 | { | |
180 | return this; | |
181 | } | |
182 | ||
183 | const View* View::view() const | |
184 | { | |
185 | return this; | |
186 | } | |
187 | ||
188 | Viewport* View::viewport() | |
189 | { | |
190 | return viewport_; | |
191 | } | |
192 | ||
193 | const Viewport* View::viewport() const | |
194 | { | |
195 | return viewport_; | |
196 | } | |
197 | ||
198 | vector< shared_ptr<TimeItem> > View::time_items() const | |
199 | { | |
200 | vector< shared_ptr<TimeItem> > items; | |
201 | items.push_back(cursors_); | |
202 | items.push_back(cursors_->first()); | |
203 | items.push_back(cursors_->second()); | |
204 | return items; | |
205 | } | |
206 | ||
207 | double View::scale() const | |
208 | { | |
209 | return scale_; | |
210 | } | |
211 | ||
212 | double View::offset() const | |
213 | { | |
214 | return offset_; | |
215 | } | |
216 | ||
217 | int View::owner_visual_v_offset() const | |
218 | { | |
219 | return -v_offset_; | |
220 | } | |
221 | ||
222 | unsigned int View::depth() const | |
223 | { | |
224 | return 0; | |
225 | } | |
226 | ||
227 | unsigned int View::tick_prefix() const | |
228 | { | |
229 | return tick_prefix_; | |
230 | } | |
231 | ||
232 | double View::tick_period() const | |
233 | { | |
234 | return tick_period_; | |
235 | } | |
236 | ||
237 | void View::zoom(double steps) | |
238 | { | |
239 | zoom(steps, viewport_->width() / 2); | |
240 | } | |
241 | ||
242 | void View::zoom(double steps, int offset) | |
243 | { | |
244 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); | |
245 | } | |
246 | ||
247 | void View::zoom_fit() | |
248 | { | |
249 | const pair<double, double> extents = get_time_extents(); | |
250 | const double delta = extents.second - extents.first; | |
251 | if (delta < 1e-12) | |
252 | return; | |
253 | ||
254 | assert(viewport_); | |
255 | const int w = viewport_->width(); | |
256 | if (w <= 0) | |
257 | return; | |
258 | ||
259 | const double scale = max(min(delta / w, MaxScale), MinScale); | |
260 | set_scale_offset(scale, extents.first); | |
261 | } | |
262 | ||
263 | void View::zoom_one_to_one() | |
264 | { | |
265 | using pv::data::SignalData; | |
266 | ||
267 | // Make a set of all the visible data objects | |
268 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
269 | if (visible_data.empty()) | |
270 | return; | |
271 | ||
272 | double samplerate = 0.0; | |
273 | for (const shared_ptr<SignalData> d : visible_data) { | |
274 | assert(d); | |
275 | const vector< shared_ptr<Segment> > segments = | |
276 | d->segments(); | |
277 | for (const shared_ptr<Segment> &s : segments) | |
278 | samplerate = max(samplerate, s->samplerate()); | |
279 | } | |
280 | ||
281 | if (samplerate == 0.0) | |
282 | return; | |
283 | ||
284 | assert(viewport_); | |
285 | const int w = viewport_->width(); | |
286 | if (w <= 0) | |
287 | return; | |
288 | ||
289 | set_zoom(1.0 / samplerate, w / 2); | |
290 | } | |
291 | ||
292 | void View::set_scale_offset(double scale, double offset) | |
293 | { | |
294 | scale_ = scale; | |
295 | offset_ = offset; | |
296 | ||
297 | calculate_tick_spacing(); | |
298 | ||
299 | update_scroll(); | |
300 | ruler_->update(); | |
301 | cursorheader_->update(); | |
302 | viewport_->update(); | |
303 | scale_offset_changed(); | |
304 | } | |
305 | ||
306 | set< shared_ptr<SignalData> > View::get_visible_data() const | |
307 | { | |
308 | shared_lock<shared_mutex> lock(session().signals_mutex()); | |
309 | const vector< shared_ptr<Signal> > &sigs(session().signals()); | |
310 | ||
311 | // Make a set of all the visible data objects | |
312 | set< shared_ptr<SignalData> > visible_data; | |
313 | for (const shared_ptr<Signal> sig : sigs) | |
314 | if (sig->enabled()) | |
315 | visible_data.insert(sig->data()); | |
316 | ||
317 | return visible_data; | |
318 | } | |
319 | ||
320 | pair<double, double> View::get_time_extents() const | |
321 | { | |
322 | double left_time = DBL_MAX, right_time = DBL_MIN; | |
323 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
324 | for (const shared_ptr<SignalData> d : visible_data) | |
325 | { | |
326 | const vector< shared_ptr<Segment> > segments = | |
327 | d->segments(); | |
328 | for (const shared_ptr<Segment> &s : segments) { | |
329 | double samplerate = s->samplerate(); | |
330 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
331 | ||
332 | const double start_time = s->start_time(); | |
333 | left_time = min(left_time, start_time); | |
334 | right_time = max(right_time, start_time + | |
335 | d->get_max_sample_count() / samplerate); | |
336 | } | |
337 | } | |
338 | ||
339 | if (left_time == DBL_MAX && right_time == DBL_MIN) | |
340 | return make_pair(0.0, 0.0); | |
341 | ||
342 | assert(left_time < right_time); | |
343 | return make_pair(left_time, right_time); | |
344 | } | |
345 | ||
346 | bool View::cursors_shown() const | |
347 | { | |
348 | return show_cursors_; | |
349 | } | |
350 | ||
351 | void View::show_cursors(bool show) | |
352 | { | |
353 | show_cursors_ = show; | |
354 | cursorheader_->update(); | |
355 | viewport_->update(); | |
356 | } | |
357 | ||
358 | void View::centre_cursors() | |
359 | { | |
360 | const double time_width = scale_ * viewport_->width(); | |
361 | cursors_->first()->set_time(offset_ + time_width * 0.4); | |
362 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
363 | cursorheader_->update(); | |
364 | viewport_->update(); | |
365 | } | |
366 | ||
367 | std::shared_ptr<CursorPair> View::cursors() const | |
368 | { | |
369 | return cursors_; | |
370 | } | |
371 | ||
372 | const QPoint& View::hover_point() const | |
373 | { | |
374 | return hover_point_; | |
375 | } | |
376 | ||
377 | void View::update_viewport() | |
378 | { | |
379 | assert(viewport_); | |
380 | viewport_->update(); | |
381 | header_->update(); | |
382 | } | |
383 | ||
384 | void View::restack_all_row_items() | |
385 | { | |
386 | // Make a set of owners | |
387 | unordered_set< RowItemOwner* > owners; | |
388 | for (const auto &r : *this) | |
389 | owners.insert(r->owner()); | |
390 | ||
391 | // Make a list that is sorted from deepest first | |
392 | vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end()); | |
393 | sort(sorted_owners.begin(), sorted_owners.end(), | |
394 | [](const RowItemOwner* a, const RowItemOwner *b) { | |
395 | return a->depth() > b->depth(); }); | |
396 | ||
397 | // Restack the items recursively | |
398 | for (auto &o : sorted_owners) | |
399 | o->restack_items(); | |
400 | ||
401 | // Animate the items to their destination | |
402 | for (const auto &r : *this) | |
403 | r->animate_to_layout_v_offset(); | |
404 | } | |
405 | ||
406 | void View::get_scroll_layout(double &length, double &offset) const | |
407 | { | |
408 | const pair<double, double> extents = get_time_extents(); | |
409 | length = (extents.second - extents.first) / scale_; | |
410 | offset = offset_ / scale_; | |
411 | } | |
412 | ||
413 | void View::set_zoom(double scale, int offset) | |
414 | { | |
415 | const double cursor_offset = offset_ + scale_ * offset; | |
416 | const double new_scale = max(min(scale, MaxScale), MinScale); | |
417 | const double new_offset = cursor_offset - new_scale * offset; | |
418 | set_scale_offset(new_scale, new_offset); | |
419 | } | |
420 | ||
421 | void View::calculate_tick_spacing() | |
422 | { | |
423 | const double SpacingIncrement = 32.0f; | |
424 | const double MinValueSpacing = 32.0f; | |
425 | ||
426 | double min_width = SpacingIncrement, typical_width; | |
427 | ||
428 | QFontMetrics m(QApplication::font()); | |
429 | ||
430 | do { | |
431 | const double min_period = scale_ * min_width; | |
432 | ||
433 | const int order = (int)floorf(log10f(min_period)); | |
434 | const double order_decimal = pow(10.0, order); | |
435 | ||
436 | unsigned int unit = 0; | |
437 | ||
438 | do { | |
439 | tick_period_ = order_decimal * ScaleUnits[unit++]; | |
440 | } while (tick_period_ < min_period && | |
441 | unit < countof(ScaleUnits)); | |
442 | ||
443 | tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3; | |
444 | ||
445 | typical_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
446 | Qt::AlignLeft | Qt::AlignTop, | |
447 | format_time(offset_, tick_prefix_)).width() + | |
448 | MinValueSpacing; | |
449 | ||
450 | min_width += SpacingIncrement; | |
451 | ||
452 | } while(typical_width > tick_period_ / scale_); | |
453 | } | |
454 | ||
455 | void View::update_scroll() | |
456 | { | |
457 | assert(viewport_); | |
458 | ||
459 | const QSize areaSize = viewport_->size(); | |
460 | ||
461 | // Set the horizontal scroll bar | |
462 | double length = 0, offset = 0; | |
463 | get_scroll_layout(length, offset); | |
464 | length = max(length - areaSize.width(), 0.0); | |
465 | ||
466 | int major_tick_distance = tick_period_ / scale_; | |
467 | ||
468 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); | |
469 | horizontalScrollBar()->setSingleStep(major_tick_distance); | |
470 | ||
471 | updating_scroll_ = true; | |
472 | ||
473 | if (length < MaxScrollValue) { | |
474 | horizontalScrollBar()->setRange(0, length); | |
475 | horizontalScrollBar()->setSliderPosition(offset); | |
476 | } else { | |
477 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
478 | horizontalScrollBar()->setSliderPosition( | |
479 | offset_ * MaxScrollValue / (scale_ * length)); | |
480 | } | |
481 | ||
482 | updating_scroll_ = false; | |
483 | ||
484 | // Set the vertical scrollbar | |
485 | verticalScrollBar()->setPageStep(areaSize.height()); | |
486 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); | |
487 | ||
488 | const pair<int, int> extents = v_extents(); | |
489 | const int extra_scroll_height = (extents.second - extents.first) / 4; | |
490 | verticalScrollBar()->setRange(extents.first - extra_scroll_height, | |
491 | extents.first + extra_scroll_height); | |
492 | } | |
493 | ||
494 | void View::update_layout() | |
495 | { | |
496 | setViewportMargins( | |
497 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, | |
498 | ruler_->sizeHint().height(), 0, 0); | |
499 | ruler_->setGeometry(viewport_->x(), 0, | |
500 | viewport_->width(), viewport_->y()); | |
501 | cursorheader_->setGeometry( | |
502 | viewport_->x(), | |
503 | ruler_->sizeHint().height() - cursorheader_->sizeHint().height() / 2, | |
504 | viewport_->width(), cursorheader_->sizeHint().height()); | |
505 | header_->setGeometry(0, viewport_->y(), | |
506 | header_->sizeHint().width(), viewport_->height()); | |
507 | update_scroll(); | |
508 | } | |
509 | ||
510 | void View::paint_label(QPainter &p, const QRect &rect, bool hover) | |
511 | { | |
512 | (void)p; | |
513 | (void)rect; | |
514 | (void)hover; | |
515 | } | |
516 | ||
517 | QRectF View::label_rect(const QRectF &rect) | |
518 | { | |
519 | (void)rect; | |
520 | return QRectF(); | |
521 | } | |
522 | ||
523 | bool View::add_channels_to_owner( | |
524 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
525 | RowItemOwner *owner, int &offset, | |
526 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
527 | &signal_map, | |
528 | std::function<bool (shared_ptr<RowItem>)> filter_func) | |
529 | { | |
530 | bool any_added = false; | |
531 | ||
532 | assert(owner); | |
533 | ||
534 | for (const auto &channel : channels) | |
535 | { | |
536 | const auto iter = signal_map.find(channel); | |
537 | if (iter == signal_map.end() || | |
538 | (filter_func && !filter_func((*iter).second))) | |
539 | continue; | |
540 | ||
541 | shared_ptr<RowItem> row_item = (*iter).second; | |
542 | owner->add_child_item(row_item); | |
543 | apply_offset(row_item, offset); | |
544 | signal_map.erase(iter); | |
545 | ||
546 | any_added = true; | |
547 | } | |
548 | ||
549 | return any_added; | |
550 | } | |
551 | ||
552 | void View::apply_offset(shared_ptr<RowItem> row_item, int &offset) { | |
553 | assert(row_item); | |
554 | const pair<int, int> extents = row_item->v_extents(); | |
555 | if (row_item->enabled()) | |
556 | offset += -extents.first; | |
557 | row_item->force_to_v_offset(offset); | |
558 | if (row_item->enabled()) | |
559 | offset += extents.second; | |
560 | } | |
561 | ||
562 | bool View::eventFilter(QObject *object, QEvent *event) | |
563 | { | |
564 | const QEvent::Type type = event->type(); | |
565 | if (type == QEvent::MouseMove) { | |
566 | ||
567 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
568 | if (object == viewport_) | |
569 | hover_point_ = mouse_event->pos(); | |
570 | else if (object == ruler_ || object == cursorheader_) | |
571 | hover_point_ = QPoint(mouse_event->x(), 0); | |
572 | else if (object == header_) | |
573 | hover_point_ = QPoint(0, mouse_event->y()); | |
574 | else | |
575 | hover_point_ = QPoint(-1, -1); | |
576 | ||
577 | hover_point_changed(); | |
578 | ||
579 | } else if (type == QEvent::Leave) { | |
580 | hover_point_ = QPoint(-1, -1); | |
581 | hover_point_changed(); | |
582 | } | |
583 | ||
584 | return QObject::eventFilter(object, event); | |
585 | } | |
586 | ||
587 | bool View::viewportEvent(QEvent *e) | |
588 | { | |
589 | switch(e->type()) { | |
590 | case QEvent::Paint: | |
591 | case QEvent::MouseButtonPress: | |
592 | case QEvent::MouseButtonRelease: | |
593 | case QEvent::MouseButtonDblClick: | |
594 | case QEvent::MouseMove: | |
595 | case QEvent::Wheel: | |
596 | case QEvent::TouchBegin: | |
597 | case QEvent::TouchUpdate: | |
598 | case QEvent::TouchEnd: | |
599 | return false; | |
600 | ||
601 | default: | |
602 | return QAbstractScrollArea::viewportEvent(e); | |
603 | } | |
604 | } | |
605 | ||
606 | void View::resizeEvent(QResizeEvent*) | |
607 | { | |
608 | update_layout(); | |
609 | } | |
610 | ||
611 | void View::appearance_changed(bool label, bool content) | |
612 | { | |
613 | if (label) | |
614 | header_->update(); | |
615 | if (content) | |
616 | viewport_->update(); | |
617 | } | |
618 | ||
619 | void View::extents_changed(bool horz, bool vert) | |
620 | { | |
621 | sticky_events_ |= | |
622 | (horz ? SelectableItemHExtentsChanged : 0) | | |
623 | (vert ? SelectableItemVExtentsChanged : 0); | |
624 | lazy_event_handler_.start(); | |
625 | } | |
626 | ||
627 | void View::h_scroll_value_changed(int value) | |
628 | { | |
629 | if (updating_scroll_) | |
630 | return; | |
631 | ||
632 | const int range = horizontalScrollBar()->maximum(); | |
633 | if (range < MaxScrollValue) | |
634 | offset_ = scale_ * value; | |
635 | else { | |
636 | double length = 0, offset; | |
637 | get_scroll_layout(length, offset); | |
638 | offset_ = scale_ * length * value / MaxScrollValue; | |
639 | } | |
640 | ||
641 | ruler_->update(); | |
642 | cursorheader_->update(); | |
643 | viewport_->update(); | |
644 | } | |
645 | ||
646 | void View::v_scroll_value_changed(int value) | |
647 | { | |
648 | v_offset_ = value; | |
649 | header_->update(); | |
650 | viewport_->update(); | |
651 | } | |
652 | ||
653 | void View::signals_changed() | |
654 | { | |
655 | int offset = 0; | |
656 | ||
657 | // Populate the traces | |
658 | clear_child_items(); | |
659 | ||
660 | shared_ptr<sigrok::Device> device = session_.device(); | |
661 | assert(device); | |
662 | ||
663 | // Collect a set of signals | |
664 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
665 | signal_map; | |
666 | ||
667 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
668 | const vector< shared_ptr<Signal> > &sigs(session_.signals()); | |
669 | ||
670 | for (const shared_ptr<Signal> &sig : sigs) | |
671 | signal_map[sig->channel()] = sig; | |
672 | ||
673 | // Populate channel groups | |
674 | for (auto entry : device->channel_groups()) | |
675 | { | |
676 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
677 | ||
678 | if (group->channels().size() <= 1) | |
679 | continue; | |
680 | ||
681 | shared_ptr<TraceGroup> trace_group(new TraceGroup()); | |
682 | int child_offset = 0; | |
683 | if (add_channels_to_owner(group->channels(), | |
684 | trace_group.get(), child_offset, signal_map)) | |
685 | { | |
686 | add_child_item(trace_group); | |
687 | apply_offset(trace_group, offset); | |
688 | } | |
689 | } | |
690 | ||
691 | // Add the remaining logic channels | |
692 | shared_ptr<TraceGroup> logic_trace_group(new TraceGroup()); | |
693 | int child_offset = 0; | |
694 | ||
695 | if (add_channels_to_owner(device->channels(), | |
696 | logic_trace_group.get(), child_offset, signal_map, | |
697 | [](shared_ptr<RowItem> r) -> bool { | |
698 | return dynamic_pointer_cast<LogicSignal>(r) != nullptr; | |
699 | })) | |
700 | ||
701 | { | |
702 | add_child_item(logic_trace_group); | |
703 | apply_offset(logic_trace_group, offset); | |
704 | } | |
705 | ||
706 | // Add the remaining channels | |
707 | add_channels_to_owner(device->channels(), this, offset, signal_map); | |
708 | assert(signal_map.empty()); | |
709 | ||
710 | // Add decode signals | |
711 | #ifdef ENABLE_DECODE | |
712 | const vector< shared_ptr<DecodeTrace> > decode_sigs( | |
713 | session().get_decode_signals()); | |
714 | for (auto s : decode_sigs) { | |
715 | add_child_item(s); | |
716 | apply_offset(s, offset); | |
717 | } | |
718 | #endif | |
719 | ||
720 | update_layout(); | |
721 | } | |
722 | ||
723 | void View::data_updated() | |
724 | { | |
725 | // Update the scroll bars | |
726 | update_scroll(); | |
727 | ||
728 | // Repaint the view | |
729 | viewport_->update(); | |
730 | } | |
731 | ||
732 | void View::marker_time_changed() | |
733 | { | |
734 | cursorheader_->update(); | |
735 | viewport_->update(); | |
736 | } | |
737 | ||
738 | void View::on_signals_moved() | |
739 | { | |
740 | update_scroll(); | |
741 | signals_moved(); | |
742 | } | |
743 | ||
744 | void View::process_sticky_events() | |
745 | { | |
746 | if (sticky_events_ & SelectableItemHExtentsChanged) | |
747 | update_layout(); | |
748 | if (sticky_events_ & SelectableItemVExtentsChanged) | |
749 | restack_all_row_items(); | |
750 | ||
751 | // Clear the sticky events | |
752 | sticky_events_ = 0; | |
753 | } | |
754 | ||
755 | void View::on_hover_point_changed() | |
756 | { | |
757 | for (shared_ptr<RowItem> r : *this) | |
758 | r->hover_point_changed(); | |
759 | } | |
760 | ||
761 | } // namespace view | |
762 | } // namespace pv |