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