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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/logicsnapshot.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::Snapshot; | |
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_(*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 | double View::scale() const | |
199 | { | |
200 | return scale_; | |
201 | } | |
202 | ||
203 | double View::offset() const | |
204 | { | |
205 | return offset_; | |
206 | } | |
207 | ||
208 | int View::owner_visual_v_offset() const | |
209 | { | |
210 | return -v_offset_; | |
211 | } | |
212 | ||
213 | unsigned int View::depth() const | |
214 | { | |
215 | return 0; | |
216 | } | |
217 | ||
218 | unsigned int View::tick_prefix() const | |
219 | { | |
220 | return tick_prefix_; | |
221 | } | |
222 | ||
223 | double View::tick_period() const | |
224 | { | |
225 | return tick_period_; | |
226 | } | |
227 | ||
228 | void View::zoom(double steps) | |
229 | { | |
230 | zoom(steps, viewport_->width() / 2); | |
231 | } | |
232 | ||
233 | void View::zoom(double steps, int offset) | |
234 | { | |
235 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); | |
236 | } | |
237 | ||
238 | void View::zoom_fit() | |
239 | { | |
240 | const pair<double, double> extents = get_time_extents(); | |
241 | const double delta = extents.second - extents.first; | |
242 | if (delta < 1e-12) | |
243 | return; | |
244 | ||
245 | assert(viewport_); | |
246 | const int w = viewport_->width(); | |
247 | if (w <= 0) | |
248 | return; | |
249 | ||
250 | const double scale = max(min(delta / w, MaxScale), MinScale); | |
251 | set_scale_offset(scale, extents.first); | |
252 | } | |
253 | ||
254 | void View::zoom_one_to_one() | |
255 | { | |
256 | using pv::data::SignalData; | |
257 | ||
258 | // Make a set of all the visible data objects | |
259 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
260 | if (visible_data.empty()) | |
261 | return; | |
262 | ||
263 | double samplerate = 0.0; | |
264 | for (const shared_ptr<SignalData> d : visible_data) { | |
265 | assert(d); | |
266 | samplerate = max(samplerate, d->samplerate()); | |
267 | } | |
268 | ||
269 | if (samplerate == 0.0) | |
270 | return; | |
271 | ||
272 | assert(viewport_); | |
273 | const int w = viewport_->width(); | |
274 | if (w <= 0) | |
275 | return; | |
276 | ||
277 | set_zoom(1.0 / samplerate, w / 2); | |
278 | } | |
279 | ||
280 | void View::set_scale_offset(double scale, double offset) | |
281 | { | |
282 | scale_ = scale; | |
283 | offset_ = offset; | |
284 | ||
285 | calculate_tick_spacing(); | |
286 | ||
287 | update_scroll(); | |
288 | ruler_->update(); | |
289 | cursorheader_->update(); | |
290 | viewport_->update(); | |
291 | scale_offset_changed(); | |
292 | } | |
293 | ||
294 | set< shared_ptr<SignalData> > View::get_visible_data() const | |
295 | { | |
296 | shared_lock<shared_mutex> lock(session().signals_mutex()); | |
297 | const vector< shared_ptr<Signal> > &sigs(session().signals()); | |
298 | ||
299 | // Make a set of all the visible data objects | |
300 | set< shared_ptr<SignalData> > visible_data; | |
301 | for (const shared_ptr<Signal> sig : sigs) | |
302 | if (sig->enabled()) | |
303 | visible_data.insert(sig->data()); | |
304 | ||
305 | return visible_data; | |
306 | } | |
307 | ||
308 | pair<double, double> View::get_time_extents() const | |
309 | { | |
310 | double left_time = DBL_MAX, right_time = DBL_MIN; | |
311 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); | |
312 | for (const shared_ptr<SignalData> d : visible_data) | |
313 | { | |
314 | double samplerate = d->samplerate(); | |
315 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
316 | ||
317 | const vector< shared_ptr<Snapshot> > snapshots = | |
318 | d->snapshots(); | |
319 | for (const shared_ptr<Snapshot> &s : snapshots) { | |
320 | const double start_time = s->start_time(); | |
321 | left_time = min(left_time, start_time); | |
322 | right_time = max(right_time, start_time + | |
323 | d->get_max_sample_count() / samplerate); | |
324 | } | |
325 | } | |
326 | ||
327 | if (left_time == DBL_MAX && right_time == DBL_MIN) | |
328 | return make_pair(0.0, 0.0); | |
329 | ||
330 | assert(left_time < right_time); | |
331 | return make_pair(left_time, right_time); | |
332 | } | |
333 | ||
334 | bool View::cursors_shown() const | |
335 | { | |
336 | return show_cursors_; | |
337 | } | |
338 | ||
339 | void View::show_cursors(bool show) | |
340 | { | |
341 | show_cursors_ = show; | |
342 | cursorheader_->update(); | |
343 | viewport_->update(); | |
344 | } | |
345 | ||
346 | void View::centre_cursors() | |
347 | { | |
348 | const double time_width = scale_ * viewport_->width(); | |
349 | cursors_.first()->set_time(offset_ + time_width * 0.4); | |
350 | cursors_.second()->set_time(offset_ + time_width * 0.6); | |
351 | cursorheader_->update(); | |
352 | viewport_->update(); | |
353 | } | |
354 | ||
355 | CursorPair& View::cursors() | |
356 | { | |
357 | return cursors_; | |
358 | } | |
359 | ||
360 | const CursorPair& View::cursors() const | |
361 | { | |
362 | return cursors_; | |
363 | } | |
364 | ||
365 | const QPoint& View::hover_point() const | |
366 | { | |
367 | return hover_point_; | |
368 | } | |
369 | ||
370 | void View::update_viewport() | |
371 | { | |
372 | assert(viewport_); | |
373 | viewport_->update(); | |
374 | header_->update(); | |
375 | } | |
376 | ||
377 | void View::restack_all_row_items() | |
378 | { | |
379 | // Make a set of owners | |
380 | unordered_set< RowItemOwner* > owners; | |
381 | for (const auto &r : *this) | |
382 | owners.insert(r->owner()); | |
383 | ||
384 | // Make a list that is sorted from deepest first | |
385 | vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end()); | |
386 | sort(sorted_owners.begin(), sorted_owners.end(), | |
387 | [](const RowItemOwner* a, const RowItemOwner *b) { | |
388 | return a->depth() > b->depth(); }); | |
389 | ||
390 | // Restack the items recursively | |
391 | for (auto &o : sorted_owners) | |
392 | o->restack_items(); | |
393 | ||
394 | // Animate the items to their destination | |
395 | for (const auto &r : *this) | |
396 | r->animate_to_layout_v_offset(); | |
397 | } | |
398 | ||
399 | void View::get_scroll_layout(double &length, double &offset) const | |
400 | { | |
401 | const pair<double, double> extents = get_time_extents(); | |
402 | length = (extents.second - extents.first) / scale_; | |
403 | offset = offset_ / scale_; | |
404 | } | |
405 | ||
406 | void View::set_zoom(double scale, int offset) | |
407 | { | |
408 | const double cursor_offset = offset_ + scale_ * offset; | |
409 | const double new_scale = max(min(scale, MaxScale), MinScale); | |
410 | const double new_offset = cursor_offset - new_scale * offset; | |
411 | set_scale_offset(new_scale, new_offset); | |
412 | } | |
413 | ||
414 | void View::calculate_tick_spacing() | |
415 | { | |
416 | const double SpacingIncrement = 32.0f; | |
417 | const double MinValueSpacing = 32.0f; | |
418 | ||
419 | double min_width = SpacingIncrement, typical_width; | |
420 | ||
421 | QFontMetrics m(QApplication::font()); | |
422 | ||
423 | do { | |
424 | const double min_period = scale_ * min_width; | |
425 | ||
426 | const int order = (int)floorf(log10f(min_period)); | |
427 | const double order_decimal = pow(10.0, order); | |
428 | ||
429 | unsigned int unit = 0; | |
430 | ||
431 | do { | |
432 | tick_period_ = order_decimal * ScaleUnits[unit++]; | |
433 | } while (tick_period_ < min_period && | |
434 | unit < countof(ScaleUnits)); | |
435 | ||
436 | tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3; | |
437 | ||
438 | typical_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
439 | Qt::AlignLeft | Qt::AlignTop, | |
440 | format_time(offset_, tick_prefix_)).width() + | |
441 | MinValueSpacing; | |
442 | ||
443 | min_width += SpacingIncrement; | |
444 | ||
445 | } while(typical_width > tick_period_ / scale_); | |
446 | } | |
447 | ||
448 | void View::update_scroll() | |
449 | { | |
450 | assert(viewport_); | |
451 | ||
452 | const QSize areaSize = viewport_->size(); | |
453 | ||
454 | // Set the horizontal scroll bar | |
455 | double length = 0, offset = 0; | |
456 | get_scroll_layout(length, offset); | |
457 | length = max(length - areaSize.width(), 0.0); | |
458 | ||
459 | int major_tick_distance = tick_period_ / scale_; | |
460 | ||
461 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); | |
462 | horizontalScrollBar()->setSingleStep(major_tick_distance); | |
463 | ||
464 | updating_scroll_ = true; | |
465 | ||
466 | if (length < MaxScrollValue) { | |
467 | horizontalScrollBar()->setRange(0, length); | |
468 | horizontalScrollBar()->setSliderPosition(offset); | |
469 | } else { | |
470 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
471 | horizontalScrollBar()->setSliderPosition( | |
472 | offset_ * MaxScrollValue / (scale_ * length)); | |
473 | } | |
474 | ||
475 | updating_scroll_ = false; | |
476 | ||
477 | // Set the vertical scrollbar | |
478 | verticalScrollBar()->setPageStep(areaSize.height()); | |
479 | ||
480 | const pair<int, int> extents = v_extents(); | |
481 | const int extra_scroll_height = (extents.second - extents.first) / 4; | |
482 | verticalScrollBar()->setRange(extents.first - extra_scroll_height, | |
483 | extents.first + extra_scroll_height); | |
484 | } | |
485 | ||
486 | void View::update_layout() | |
487 | { | |
488 | setViewportMargins( | |
489 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, | |
490 | ruler_->sizeHint().height(), 0, 0); | |
491 | ruler_->setGeometry(viewport_->x(), 0, | |
492 | viewport_->width(), viewport_->y()); | |
493 | cursorheader_->setGeometry( | |
494 | viewport_->x(), | |
495 | ruler_->sizeHint().height() - cursorheader_->sizeHint().height() / 2, | |
496 | viewport_->width(), cursorheader_->sizeHint().height()); | |
497 | header_->setGeometry(0, viewport_->y(), | |
498 | header_->sizeHint().width(), viewport_->height()); | |
499 | update_scroll(); | |
500 | } | |
501 | ||
502 | void View::paint_label(QPainter &p, int right, bool hover) | |
503 | { | |
504 | (void)p; | |
505 | (void)right; | |
506 | (void)hover; | |
507 | } | |
508 | ||
509 | QRectF View::label_rect(int right) | |
510 | { | |
511 | (void)right; | |
512 | return QRectF(); | |
513 | } | |
514 | ||
515 | bool View::add_channels_to_owner( | |
516 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
517 | RowItemOwner *owner, int &offset, | |
518 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
519 | &signal_map, | |
520 | std::function<bool (shared_ptr<RowItem>)> filter_func) | |
521 | { | |
522 | bool any_added = false; | |
523 | ||
524 | assert(owner); | |
525 | ||
526 | for (const auto &channel : channels) | |
527 | { | |
528 | const auto iter = signal_map.find(channel); | |
529 | if (iter == signal_map.end() || | |
530 | (filter_func && !filter_func((*iter).second))) | |
531 | continue; | |
532 | ||
533 | shared_ptr<RowItem> row_item = (*iter).second; | |
534 | owner->add_child_item(row_item); | |
535 | apply_offset(row_item, offset); | |
536 | signal_map.erase(iter); | |
537 | ||
538 | any_added = true; | |
539 | } | |
540 | ||
541 | return any_added; | |
542 | } | |
543 | ||
544 | void View::apply_offset(shared_ptr<RowItem> row_item, int &offset) { | |
545 | assert(row_item); | |
546 | const pair<int, int> extents = row_item->v_extents(); | |
547 | if (row_item->enabled()) | |
548 | offset += -extents.first; | |
549 | row_item->force_to_v_offset(offset); | |
550 | if (row_item->enabled()) | |
551 | offset += extents.second; | |
552 | } | |
553 | ||
554 | bool View::eventFilter(QObject *object, QEvent *event) | |
555 | { | |
556 | const QEvent::Type type = event->type(); | |
557 | if (type == QEvent::MouseMove) { | |
558 | ||
559 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
560 | if (object == viewport_) | |
561 | hover_point_ = mouse_event->pos(); | |
562 | else if (object == ruler_ || object == cursorheader_) | |
563 | hover_point_ = QPoint(mouse_event->x(), 0); | |
564 | else if (object == header_) | |
565 | hover_point_ = QPoint(0, mouse_event->y()); | |
566 | else | |
567 | hover_point_ = QPoint(-1, -1); | |
568 | ||
569 | hover_point_changed(); | |
570 | ||
571 | } else if (type == QEvent::Leave) { | |
572 | hover_point_ = QPoint(-1, -1); | |
573 | hover_point_changed(); | |
574 | } | |
575 | ||
576 | return QObject::eventFilter(object, event); | |
577 | } | |
578 | ||
579 | bool View::viewportEvent(QEvent *e) | |
580 | { | |
581 | switch(e->type()) { | |
582 | case QEvent::Paint: | |
583 | case QEvent::MouseButtonPress: | |
584 | case QEvent::MouseButtonRelease: | |
585 | case QEvent::MouseButtonDblClick: | |
586 | case QEvent::MouseMove: | |
587 | case QEvent::Wheel: | |
588 | case QEvent::TouchBegin: | |
589 | case QEvent::TouchUpdate: | |
590 | case QEvent::TouchEnd: | |
591 | return false; | |
592 | ||
593 | default: | |
594 | return QAbstractScrollArea::viewportEvent(e); | |
595 | } | |
596 | } | |
597 | ||
598 | void View::resizeEvent(QResizeEvent*) | |
599 | { | |
600 | update_layout(); | |
601 | } | |
602 | ||
603 | void View::appearance_changed(bool label, bool content) | |
604 | { | |
605 | if (label) | |
606 | header_->update(); | |
607 | if (content) | |
608 | viewport_->update(); | |
609 | } | |
610 | ||
611 | void View::extents_changed(bool horz, bool vert) | |
612 | { | |
613 | sticky_events_ |= | |
614 | (horz ? SelectableItemHExtentsChanged : 0) | | |
615 | (vert ? SelectableItemVExtentsChanged : 0); | |
616 | lazy_event_handler_.start(); | |
617 | } | |
618 | ||
619 | void View::h_scroll_value_changed(int value) | |
620 | { | |
621 | if (updating_scroll_) | |
622 | return; | |
623 | ||
624 | const int range = horizontalScrollBar()->maximum(); | |
625 | if (range < MaxScrollValue) | |
626 | offset_ = scale_ * value; | |
627 | else { | |
628 | double length = 0, offset; | |
629 | get_scroll_layout(length, offset); | |
630 | offset_ = scale_ * length * value / MaxScrollValue; | |
631 | } | |
632 | ||
633 | ruler_->update(); | |
634 | cursorheader_->update(); | |
635 | viewport_->update(); | |
636 | } | |
637 | ||
638 | void View::v_scroll_value_changed(int value) | |
639 | { | |
640 | v_offset_ = value; | |
641 | header_->update(); | |
642 | viewport_->update(); | |
643 | } | |
644 | ||
645 | void View::signals_changed() | |
646 | { | |
647 | int offset = 0; | |
648 | ||
649 | // Populate the traces | |
650 | clear_child_items(); | |
651 | ||
652 | shared_ptr<sigrok::Device> device = session_.device(); | |
653 | assert(device); | |
654 | ||
655 | // Collect a set of signals | |
656 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
657 | signal_map; | |
658 | ||
659 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
660 | const vector< shared_ptr<Signal> > &sigs(session_.signals()); | |
661 | ||
662 | for (const shared_ptr<Signal> &sig : sigs) | |
663 | signal_map[sig->channel()] = sig; | |
664 | ||
665 | // Populate channel groups | |
666 | for (auto entry : device->channel_groups()) | |
667 | { | |
668 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
669 | ||
670 | if (group->channels().size() <= 1) | |
671 | continue; | |
672 | ||
673 | shared_ptr<TraceGroup> trace_group(new TraceGroup()); | |
674 | int child_offset = 0; | |
675 | if (add_channels_to_owner(group->channels(), | |
676 | trace_group.get(), child_offset, signal_map)) | |
677 | { | |
678 | add_child_item(trace_group); | |
679 | apply_offset(trace_group, offset); | |
680 | } | |
681 | } | |
682 | ||
683 | // Add the remaining logic channels | |
684 | shared_ptr<TraceGroup> logic_trace_group(new TraceGroup()); | |
685 | int child_offset = 0; | |
686 | ||
687 | if (add_channels_to_owner(device->channels(), | |
688 | logic_trace_group.get(), child_offset, signal_map, | |
689 | [](shared_ptr<RowItem> r) -> bool { | |
690 | return dynamic_pointer_cast<LogicSignal>(r) != nullptr; | |
691 | })) | |
692 | ||
693 | { | |
694 | add_child_item(logic_trace_group); | |
695 | apply_offset(logic_trace_group, offset); | |
696 | } | |
697 | ||
698 | // Add the remaining channels | |
699 | add_channels_to_owner(device->channels(), this, offset, signal_map); | |
700 | assert(signal_map.empty()); | |
701 | ||
702 | // Add decode signals | |
703 | #ifdef ENABLE_DECODE | |
704 | const vector< shared_ptr<DecodeTrace> > decode_sigs( | |
705 | session().get_decode_signals()); | |
706 | for (auto s : decode_sigs) { | |
707 | add_child_item(s); | |
708 | apply_offset(s, offset); | |
709 | } | |
710 | #endif | |
711 | ||
712 | update_layout(); | |
713 | } | |
714 | ||
715 | void View::data_updated() | |
716 | { | |
717 | // Update the scroll bars | |
718 | update_scroll(); | |
719 | ||
720 | // Repaint the view | |
721 | viewport_->update(); | |
722 | } | |
723 | ||
724 | void View::marker_time_changed() | |
725 | { | |
726 | cursorheader_->update(); | |
727 | viewport_->update(); | |
728 | } | |
729 | ||
730 | void View::on_signals_moved() | |
731 | { | |
732 | update_scroll(); | |
733 | signals_moved(); | |
734 | } | |
735 | ||
736 | void View::process_sticky_events() | |
737 | { | |
738 | if (sticky_events_ & SelectableItemHExtentsChanged) | |
739 | update_layout(); | |
740 | if (sticky_events_ & SelectableItemVExtentsChanged) | |
741 | restack_all_row_items(); | |
742 | ||
743 | // Clear the sticky events | |
744 | sticky_events_ = 0; | |
745 | } | |
746 | ||
747 | void View::on_hover_point_changed() | |
748 | { | |
749 | for (shared_ptr<RowItem> r : *this) | |
750 | r->hover_point_changed(); | |
751 | } | |
752 | ||
753 | } // namespace view | |
754 | } // namespace pv |