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Commit | Line | Data |
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adb4b10c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
adb4b10c JH |
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 | ||
269528f5 | 21 | #ifdef ENABLE_DECODE |
4e5a4405 | 22 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 23 | #endif |
4e5a4405 | 24 | |
361c560e JH |
25 | #include <extdef.h> |
26 | ||
cf124e47 | 27 | #include <algorithm> |
c3a740dd JH |
28 | #include <cassert> |
29 | #include <climits> | |
30 | #include <cmath> | |
3a21afa6 | 31 | #include <iostream> |
cf124e47 | 32 | #include <iterator> |
c3a740dd | 33 | #include <mutex> |
7ff0145f | 34 | #include <unordered_set> |
adb4b10c | 35 | |
3a21afa6 SA |
36 | #include <boost/archive/text_iarchive.hpp> |
37 | #include <boost/archive/text_oarchive.hpp> | |
38 | #include <boost/serialization/serialization.hpp> | |
e71eb81c JH |
39 | #include <boost/thread/locks.hpp> |
40 | ||
361c560e | 41 | #include <QApplication> |
f4e57597 | 42 | #include <QHBoxLayout> |
adb4b10c | 43 | #include <QEvent> |
361c560e | 44 | #include <QFontMetrics> |
cbd80f64 | 45 | #include <QMouseEvent> |
adb4b10c JH |
46 | #include <QScrollBar> |
47 | ||
fe3a1c21 | 48 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 49 | |
574c568d | 50 | #include "analogsignal.hpp" |
2acdb232 JH |
51 | #include "header.hpp" |
52 | #include "logicsignal.hpp" | |
53 | #include "ruler.hpp" | |
54 | #include "signal.hpp" | |
55 | #include "tracegroup.hpp" | |
1a2288a1 | 56 | #include "triggermarker.hpp" |
2acdb232 JH |
57 | #include "view.hpp" |
58 | #include "viewport.hpp" | |
adb4b10c | 59 | |
f65cd27b | 60 | #include "pv/session.hpp" |
da30ecb7 | 61 | #include "pv/devices/device.hpp" |
2acdb232 | 62 | #include "pv/data/logic.hpp" |
f3d66e52 | 63 | #include "pv/data/logicsegment.hpp" |
361c560e | 64 | #include "pv/util.hpp" |
adb4b10c | 65 | |
dcfe0a01 SA |
66 | #ifdef ENABLE_DECODE |
67 | #include "decodetrace.hpp" | |
68 | #endif | |
69 | ||
aca64cac JH |
70 | using boost::shared_lock; |
71 | using boost::shared_mutex; | |
361c560e | 72 | |
1bc6525b | 73 | using pv::data::SignalData; |
f3d66e52 | 74 | using pv::data::Segment; |
ef454ad5 | 75 | using pv::util::TimeUnit; |
60d9b99a | 76 | using pv::util::Timestamp; |
361c560e | 77 | |
769a79b5 JH |
78 | using std::back_inserter; |
79 | using std::copy_if; | |
819f4c25 | 80 | using std::deque; |
448a72cf | 81 | using std::dynamic_pointer_cast; |
cf124e47 | 82 | using std::inserter; |
819f4c25 | 83 | using std::list; |
c3a740dd | 84 | using std::lock_guard; |
819f4c25 | 85 | using std::max; |
1bc6525b | 86 | using std::make_pair; |
769a79b5 | 87 | using std::make_shared; |
819f4c25 | 88 | using std::min; |
1bc6525b | 89 | using std::pair; |
819f4c25 | 90 | using std::set; |
cf124e47 | 91 | using std::set_difference; |
f9abf97e | 92 | using std::shared_ptr; |
448a72cf | 93 | using std::unordered_map; |
7ff0145f | 94 | using std::unordered_set; |
819f4c25 | 95 | using std::vector; |
f9abf97e | 96 | using std::weak_ptr; |
adb4b10c | 97 | |
cdf7bea7 | 98 | namespace pv { |
f4e57597 SA |
99 | namespace views { |
100 | namespace TraceView { | |
adb4b10c | 101 | |
60d9b99a JS |
102 | const Timestamp View::MaxScale("1e9"); |
103 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 104 | |
f25770e2 | 105 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 106 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 107 | |
361c560e JH |
108 | const int View::ScaleUnits[3] = {1, 2, 5}; |
109 | ||
f4e57597 SA |
110 | |
111 | CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : | |
112 | QAbstractScrollArea(parent) | |
113 | { | |
114 | } | |
115 | ||
116 | void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) | |
117 | { | |
118 | QAbstractScrollArea::setViewportMargins(left, top, right, bottom); | |
119 | } | |
120 | ||
121 | bool CustomAbstractScrollArea::viewportEvent(QEvent *event) | |
122 | { | |
123 | switch (event->type()) { | |
124 | case QEvent::Paint: | |
125 | case QEvent::MouseButtonPress: | |
126 | case QEvent::MouseButtonRelease: | |
127 | case QEvent::MouseButtonDblClick: | |
128 | case QEvent::MouseMove: | |
129 | case QEvent::Wheel: | |
130 | case QEvent::TouchBegin: | |
131 | case QEvent::TouchUpdate: | |
132 | case QEvent::TouchEnd: | |
133 | return false; | |
134 | default: | |
135 | return QAbstractScrollArea::viewportEvent(event); | |
136 | } | |
137 | } | |
138 | ||
2b81ae46 | 139 | View::View(Session &session, QWidget *parent) : |
f4e57597 | 140 | ViewBase(session, parent), |
8dbbc7f0 JH |
141 | viewport_(new Viewport(*this)), |
142 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 143 | header_(new Header(*this)), |
f4e57597 | 144 | scrollarea_(this), |
c0100b55 | 145 | scale_(1e-3), |
8dbbc7f0 | 146 | offset_(0), |
8dbbc7f0 | 147 | updating_scroll_(false), |
c7b03d9d | 148 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 149 | always_zoom_to_fit_(false), |
c677193d | 150 | tick_period_(0), |
d001f416 | 151 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 152 | tick_precision_(0), |
d001f416 | 153 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 154 | show_cursors_(false), |
5c5ce757 | 155 | cursors_(new CursorPair(*this)), |
8914fe79 | 156 | next_flag_text_('A'), |
92ff2b60 | 157 | trigger_markers_(), |
f4203850 PA |
158 | hover_point_(-1, -1), |
159 | scroll_needs_defaults(false) | |
adb4b10c | 160 | { |
f4e57597 | 161 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 162 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 163 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 164 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 165 | |
8dbbc7f0 | 166 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
167 | ruler_, SLOT(clear_selection())); |
168 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 169 | header_, SLOT(clear_selection())); |
17348f85 | 170 | |
8dbbc7f0 | 171 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 172 | this, SIGNAL(selection_changed())); |
819e2e95 | 173 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
174 | this, SIGNAL(selection_changed())); |
175 | ||
33c62f44 JH |
176 | connect(this, SIGNAL(hover_point_changed()), |
177 | this, SLOT(on_hover_point_changed())); | |
178 | ||
8dbbc7f0 | 179 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 180 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 181 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 182 | |
c7b03d9d SA |
183 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
184 | this, SLOT(perform_delayed_view_update())); | |
185 | delayed_view_updater_.setSingleShot(true); | |
186 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
187 | ||
f4e57597 SA |
188 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
189 | QHBoxLayout *layout = new QHBoxLayout(this); | |
190 | setLayout(layout); | |
191 | layout->setContentsMargins(0, 0, 0, 0); | |
192 | layout->addWidget(&scrollarea_); | |
193 | ||
194 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 195 | |
8dbbc7f0 JH |
196 | viewport_->installEventFilter(this); |
197 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 198 | header_->installEventFilter(this); |
d873f4d6 | 199 | |
9f46d905 JH |
200 | // Trigger the initial event manually. The default device has signals |
201 | // which were created before this object came into being | |
d873f4d6 | 202 | signals_changed(); |
84a0d458 | 203 | |
512bfc56 | 204 | // make sure the transparent widgets are on the top |
819e2e95 | 205 | ruler_->raise(); |
8dbbc7f0 | 206 | header_->raise(); |
361c560e JH |
207 | |
208 | // Update the zoom state | |
209 | calculate_tick_spacing(); | |
adb4b10c JH |
210 | } |
211 | ||
2b81ae46 | 212 | Session& View::session() |
1d19ef83 | 213 | { |
8dbbc7f0 | 214 | return session_; |
1d19ef83 JH |
215 | } |
216 | ||
2b81ae46 | 217 | const Session& View::session() const |
38eeddea | 218 | { |
8dbbc7f0 | 219 | return session_; |
38eeddea JH |
220 | } |
221 | ||
f4e57597 | 222 | std::unordered_set< std::shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
223 | { |
224 | return signals_; | |
225 | } | |
226 | ||
227 | void View::clear_signals() | |
228 | { | |
229 | signals_.clear(); | |
230 | } | |
231 | ||
f4e57597 | 232 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb SA |
233 | { |
234 | signals_.insert(signal); | |
235 | } | |
236 | ||
bb7dd726 | 237 | #ifdef ENABLE_DECODE |
f4e57597 | 238 | void View::clear_decode_signals() |
bb7dd726 SA |
239 | { |
240 | decode_traces_.clear(); | |
241 | } | |
242 | ||
f4e57597 | 243 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 244 | { |
f4e57597 SA |
245 | shared_ptr<DecodeTrace> d( |
246 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
247 | decode_traces_.push_back(d); |
248 | } | |
249 | ||
f4e57597 | 250 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
251 | { |
252 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
253 | if ((*i)->base() == signalbase) { | |
254 | decode_traces_.erase(i); | |
255 | signals_changed(); | |
256 | return; | |
257 | } | |
258 | } | |
259 | #endif | |
260 | ||
eae6e30a JH |
261 | View* View::view() |
262 | { | |
263 | return this; | |
264 | } | |
265 | ||
266 | const View* View::view() const | |
267 | { | |
268 | return this; | |
269 | } | |
270 | ||
2ae445ba SA |
271 | Viewport* View::viewport() |
272 | { | |
8dbbc7f0 | 273 | return viewport_; |
2ae445ba SA |
274 | } |
275 | ||
276 | const Viewport* View::viewport() const | |
277 | { | |
8dbbc7f0 | 278 | return viewport_; |
2ae445ba SA |
279 | } |
280 | ||
3a21afa6 SA |
281 | void View::save_settings(QSettings &settings) const |
282 | { | |
283 | settings.setValue("scale", scale_); | |
284 | ||
285 | std::stringstream ss; | |
286 | boost::archive::text_oarchive oa(ss); | |
287 | oa << boost::serialization::make_nvp("offset", offset_); | |
288 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
289 | ||
f4e57597 | 290 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
291 | settings.beginGroup(signal->base()->internal_name()); |
292 | signal->save_settings(settings); | |
293 | settings.endGroup(); | |
294 | } | |
295 | } | |
296 | ||
297 | void View::restore_settings(QSettings &settings) | |
298 | { | |
299 | if (settings.contains("scale")) | |
300 | set_scale(settings.value("scale").toDouble()); | |
301 | ||
302 | if (settings.contains("offset")) { | |
303 | util::Timestamp offset; | |
304 | std::stringstream ss; | |
305 | ss << settings.value("offset").toString().toStdString(); | |
306 | ||
307 | boost::archive::text_iarchive ia(ss); | |
308 | ia >> boost::serialization::make_nvp("offset", offset); | |
309 | ||
310 | set_offset(offset); | |
311 | } | |
312 | ||
f4e57597 | 313 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
314 | settings.beginGroup(signal->base()->internal_name()); |
315 | signal->restore_settings(settings); | |
316 | settings.endGroup(); | |
317 | } | |
318 | } | |
319 | ||
2496bf45 JH |
320 | vector< shared_ptr<TimeItem> > View::time_items() const |
321 | { | |
8914fe79 JH |
322 | const vector<shared_ptr<Flag>> f(flags()); |
323 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 324 | items.push_back(cursors_); |
5c5ce757 JH |
325 | items.push_back(cursors_->first()); |
326 | items.push_back(cursors_->second()); | |
1a2288a1 | 327 | |
92ff2b60 TS |
328 | for (auto trigger_marker : trigger_markers_) |
329 | items.push_back(trigger_marker); | |
1a2288a1 | 330 | |
2496bf45 JH |
331 | return items; |
332 | } | |
333 | ||
cdf7bea7 | 334 | double View::scale() const |
adb4b10c | 335 | { |
8dbbc7f0 | 336 | return scale_; |
adb4b10c JH |
337 | } |
338 | ||
4b0af0b6 JS |
339 | void View::set_scale(double scale) |
340 | { | |
341 | if (scale_ != scale) { | |
342 | scale_ = scale; | |
343 | Q_EMIT scale_changed(); | |
344 | } | |
345 | } | |
346 | ||
60d9b99a | 347 | const Timestamp& View::offset() const |
adb4b10c | 348 | { |
8dbbc7f0 | 349 | return offset_; |
adb4b10c JH |
350 | } |
351 | ||
4b0af0b6 JS |
352 | void View::set_offset(const pv::util::Timestamp& offset) |
353 | { | |
354 | if (offset_ != offset) { | |
355 | offset_ = offset; | |
356 | Q_EMIT offset_changed(); | |
357 | } | |
358 | } | |
359 | ||
7ff0145f | 360 | int View::owner_visual_v_offset() const |
adb4b10c | 361 | { |
f4e57597 | 362 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
363 | } |
364 | ||
4d476647 JH |
365 | void View::set_v_offset(int offset) |
366 | { | |
f4e57597 | 367 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
368 | header_->update(); |
369 | viewport_->update(); | |
370 | } | |
371 | ||
3e769a37 JH |
372 | unsigned int View::depth() const |
373 | { | |
374 | return 0; | |
375 | } | |
376 | ||
d001f416 | 377 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
378 | { |
379 | return tick_prefix_; | |
380 | } | |
381 | ||
4b0af0b6 JS |
382 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
383 | { | |
384 | if (tick_prefix_ != tick_prefix) { | |
385 | tick_prefix_ = tick_prefix; | |
386 | Q_EMIT tick_prefix_changed(); | |
387 | } | |
388 | } | |
389 | ||
d40f4db7 SA |
390 | unsigned int View::tick_precision() const |
391 | { | |
392 | return tick_precision_; | |
393 | } | |
394 | ||
4b0af0b6 JS |
395 | void View::set_tick_precision(unsigned tick_precision) |
396 | { | |
397 | if (tick_precision_ != tick_precision) { | |
398 | tick_precision_ = tick_precision; | |
399 | Q_EMIT tick_precision_changed(); | |
400 | } | |
401 | } | |
402 | ||
c677193d | 403 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
404 | { |
405 | return tick_period_; | |
406 | } | |
407 | ||
c677193d | 408 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
409 | { |
410 | if (tick_period_ != tick_period) { | |
411 | tick_period_ = tick_period; | |
412 | Q_EMIT tick_period_changed(); | |
413 | } | |
414 | } | |
415 | ||
ef454ad5 SA |
416 | TimeUnit View::time_unit() const |
417 | { | |
418 | return time_unit_; | |
419 | } | |
420 | ||
4b0af0b6 JS |
421 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
422 | { | |
423 | if (time_unit_ != time_unit) { | |
424 | time_unit_ = time_unit; | |
425 | Q_EMIT time_unit_changed(); | |
426 | } | |
427 | } | |
428 | ||
cdf7bea7 | 429 | void View::zoom(double steps) |
adb4b10c | 430 | { |
8dbbc7f0 | 431 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
432 | } |
433 | ||
17c0f398 JH |
434 | void View::zoom(double steps, int offset) |
435 | { | |
8dbbc7f0 | 436 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
437 | } |
438 | ||
ce11b2ea | 439 | void View::zoom_fit(bool gui_state) |
ca46b534 | 440 | { |
ce11b2ea SA |
441 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
442 | if (session_.get_capture_state() == Session::Stopped) { | |
443 | always_zoom_to_fit_ = false; | |
444 | always_zoom_to_fit_changed(false); | |
445 | } else { | |
446 | always_zoom_to_fit_ = gui_state; | |
447 | always_zoom_to_fit_changed(gui_state); | |
448 | } | |
449 | ||
60d9b99a JS |
450 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
451 | const Timestamp delta = extents.second - extents.first; | |
452 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
453 | return; |
454 | ||
8dbbc7f0 JH |
455 | assert(viewport_); |
456 | const int w = viewport_->width(); | |
ca46b534 JH |
457 | if (w <= 0) |
458 | return; | |
459 | ||
60d9b99a JS |
460 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
461 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
462 | } |
463 | ||
d1e7d82c JH |
464 | void View::zoom_one_to_one() |
465 | { | |
466 | using pv::data::SignalData; | |
467 | ||
d1e7d82c | 468 | // Make a set of all the visible data objects |
0fc664a9 | 469 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
470 | if (visible_data.empty()) |
471 | return; | |
472 | ||
8dbbc7f0 JH |
473 | assert(viewport_); |
474 | const int w = viewport_->width(); | |
d1e7d82c JH |
475 | if (w <= 0) |
476 | return; | |
477 | ||
2220e942 | 478 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
479 | } |
480 | ||
60d9b99a | 481 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 482 | { |
ce11b2ea SA |
483 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
484 | // and user drags the viewport | |
c7b03d9d | 485 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
486 | (session_.get_capture_state() == Session::Running)) { |
487 | ||
488 | if (sticky_scrolling_) { | |
489 | sticky_scrolling_ = false; | |
490 | sticky_scrolling_changed(false); | |
491 | } | |
492 | ||
493 | if (always_zoom_to_fit_) { | |
494 | always_zoom_to_fit_ = false; | |
495 | always_zoom_to_fit_changed(false); | |
496 | } | |
c7b03d9d SA |
497 | } |
498 | ||
4b0af0b6 JS |
499 | set_scale(scale); |
500 | set_offset(offset); | |
ccdd3ef5 | 501 | |
361c560e JH |
502 | calculate_tick_spacing(); |
503 | ||
adb4b10c | 504 | update_scroll(); |
8dbbc7f0 | 505 | ruler_->update(); |
8dbbc7f0 | 506 | viewport_->update(); |
adb4b10c JH |
507 | } |
508 | ||
1bc6525b JH |
509 | set< shared_ptr<SignalData> > View::get_visible_data() const |
510 | { | |
1bc6525b JH |
511 | // Make a set of all the visible data objects |
512 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 513 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
514 | if (sig->enabled()) |
515 | visible_data.insert(sig->data()); | |
516 | ||
517 | return visible_data; | |
518 | } | |
519 | ||
60d9b99a | 520 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 521 | { |
60d9b99a | 522 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 523 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 524 | for (const shared_ptr<SignalData> d : visible_data) { |
f3d66e52 JH |
525 | const vector< shared_ptr<Segment> > segments = |
526 | d->segments(); | |
527 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
528 | double samplerate = s->samplerate(); |
529 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
530 | ||
60d9b99a JS |
531 | const Timestamp start_time = s->start_time(); |
532 | left_time = left_time ? | |
533 | min(*left_time, start_time) : | |
534 | start_time; | |
535 | right_time = right_time ? | |
536 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
537 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 538 | } |
1bc6525b JH |
539 | } |
540 | ||
60d9b99a JS |
541 | if (!left_time || !right_time) |
542 | return make_pair(0, 0); | |
7f4038d6 | 543 | |
60d9b99a JS |
544 | assert(*left_time < *right_time); |
545 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
546 | } |
547 | ||
c7b03d9d SA |
548 | void View::enable_sticky_scrolling(bool state) |
549 | { | |
550 | sticky_scrolling_ = state; | |
551 | } | |
552 | ||
574c568d SA |
553 | void View::enable_coloured_bg(bool state) |
554 | { | |
555 | const vector<shared_ptr<TraceTreeItem>> items( | |
556 | list_by_type<TraceTreeItem>()); | |
557 | ||
558 | for (shared_ptr<TraceTreeItem> i : items) { | |
559 | // Can't cast to Trace because it's abstract, so we need to | |
560 | // check for any derived classes individually | |
561 | ||
562 | shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i); | |
563 | if (a) | |
564 | a->set_coloured_bg(state); | |
565 | ||
566 | shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i); | |
567 | if (l) | |
568 | l->set_coloured_bg(state); | |
569 | ||
dcfe0a01 | 570 | #ifdef ENABLE_DECODE |
574c568d SA |
571 | shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i); |
572 | if (d) | |
573 | d->set_coloured_bg(state); | |
dcfe0a01 | 574 | #endif |
574c568d SA |
575 | } |
576 | ||
577 | viewport_->update(); | |
578 | } | |
579 | ||
f76af637 JH |
580 | bool View::cursors_shown() const |
581 | { | |
8dbbc7f0 | 582 | return show_cursors_; |
f76af637 JH |
583 | } |
584 | ||
585 | void View::show_cursors(bool show) | |
586 | { | |
8dbbc7f0 | 587 | show_cursors_ = show; |
819e2e95 | 588 | ruler_->update(); |
8dbbc7f0 | 589 | viewport_->update(); |
f76af637 JH |
590 | } |
591 | ||
b4d91e56 JH |
592 | void View::centre_cursors() |
593 | { | |
8dbbc7f0 | 594 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
595 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
596 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 597 | ruler_->update(); |
8dbbc7f0 | 598 | viewport_->update(); |
b4d91e56 JH |
599 | } |
600 | ||
5c5ce757 | 601 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 602 | { |
8dbbc7f0 | 603 | return cursors_; |
58864c5c JH |
604 | } |
605 | ||
60d9b99a | 606 | void View::add_flag(const Timestamp& time) |
8914fe79 JH |
607 | { |
608 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
609 | QString("%1").arg(next_flag_text_)))); | |
48257a69 | 610 | |
8914fe79 JH |
611 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
612 | (next_flag_text_ + 1); | |
48257a69 | 613 | |
8914fe79 JH |
614 | time_item_appearance_changed(true, true); |
615 | } | |
616 | ||
617 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
618 | { | |
619 | flags_.remove(flag); | |
620 | time_item_appearance_changed(true, true); | |
621 | } | |
622 | ||
623 | vector< std::shared_ptr<Flag> > View::flags() const | |
624 | { | |
625 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
626 | stable_sort(flags.begin(), flags.end(), | |
627 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
628 | return a->time() < b->time(); | |
629 | }); | |
630 | ||
631 | return flags; | |
632 | } | |
633 | ||
cbd80f64 JH |
634 | const QPoint& View::hover_point() const |
635 | { | |
8dbbc7f0 | 636 | return hover_point_; |
cbd80f64 JH |
637 | } |
638 | ||
af503b10 | 639 | void View::restack_all_trace_tree_items() |
7ff0145f | 640 | { |
873cbed0 | 641 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
642 | const vector<shared_ptr<TraceTreeItem>> items( |
643 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 644 | set< TraceTreeItemOwner* > owners; |
cc88566c | 645 | for (const auto &r : items) |
4800cf9a | 646 | owners.insert(r->owner()); |
af503b10 | 647 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 648 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 649 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
650 | return a->depth() > b->depth(); }); |
651 | ||
652 | // Restack the items recursively | |
653 | for (auto &o : sorted_owners) | |
654 | o->restack_items(); | |
655 | ||
ac0708fb SA |
656 | // Re-assign background colors |
657 | bool next_bgcolour_state = 0; | |
658 | ||
659 | for (auto &o : sorted_owners) | |
660 | next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); | |
661 | ||
7ff0145f | 662 | // Animate the items to their destination |
cef5997e JH |
663 | for (const auto &i : items) |
664 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
665 | } |
666 | ||
48257a69 SA |
667 | void View::trigger_event(util::Timestamp location) |
668 | { | |
92ff2b60 TS |
669 | trigger_markers_.push_back(shared_ptr<TriggerMarker>( |
670 | new TriggerMarker(*this, location))); | |
48257a69 SA |
671 | } |
672 | ||
60d9b99a | 673 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 674 | { |
60d9b99a JS |
675 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
676 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 677 | offset = offset_ / scale_; |
f25770e2 JH |
678 | } |
679 | ||
d1e7d82c JH |
680 | void View::set_zoom(double scale, int offset) |
681 | { | |
ce11b2ea SA |
682 | // Reset the "always zoom to fit" feature as the user changed the zoom |
683 | always_zoom_to_fit_ = false; | |
684 | always_zoom_to_fit_changed(false); | |
685 | ||
60d9b99a JS |
686 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
687 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
688 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
689 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
690 | } |
691 | ||
361c560e JH |
692 | void View::calculate_tick_spacing() |
693 | { | |
8a1bc087 | 694 | const double SpacingIncrement = 10.0f; |
8a463dbc | 695 | const double MinValueSpacing = 40.0f; |
361c560e | 696 | |
1e124d4b SA |
697 | // Figure out the highest numeric value visible on a label |
698 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 699 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
700 | fabs(offset_ + scale_ * areaSize.width())); |
701 | ||
d40f4db7 SA |
702 | double min_width = SpacingIncrement; |
703 | double label_width, tick_period_width; | |
361c560e JH |
704 | |
705 | QFontMetrics m(QApplication::font()); | |
706 | ||
adb3831e JS |
707 | // Copies of the member variables with the same name, used in the calculation |
708 | // and written back afterwards, so that we don't emit signals all the time | |
709 | // during the calculation. | |
710 | pv::util::Timestamp tick_period = tick_period_; | |
711 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
712 | unsigned tick_precision = tick_precision_; | |
713 | ||
361c560e JH |
714 | do { |
715 | const double min_period = scale_ * min_width; | |
716 | ||
717 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
718 | const pv::util::Timestamp order_decimal = |
719 | pow(pv::util::Timestamp(10), order); | |
361c560e | 720 | |
8a1bc087 SA |
721 | // Allow for a margin of error so that a scale unit of 1 can be used. |
722 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
723 | // the min_period by a small amount - and thus skipped in favor of 2. | |
724 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
725 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
726 | double tp_with_margin; | |
361c560e JH |
727 | unsigned int unit = 0; |
728 | ||
729 | do { | |
c677193d JS |
730 | tp_with_margin = order_decimal.convert_to<double>() * |
731 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 732 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 733 | |
adb3831e JS |
734 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
735 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
736 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 737 | |
d40f4db7 SA |
738 | // Precision is the number of fractional digits required, not |
739 | // taking the prefix into account (and it must never be negative) | |
adb3831e | 740 | tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 741 | |
adb3831e | 742 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 743 | |
3ccf0f7f JS |
744 | const QString label_text = Ruler::format_time_with_distance( |
745 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
746 | |
747 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
748 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
749 | MinValueSpacing; |
750 | ||
751 | min_width += SpacingIncrement; | |
d40f4db7 | 752 | } while (tick_period_width < label_width); |
adb3831e JS |
753 | |
754 | set_tick_period(tick_period); | |
755 | set_tick_prefix(tick_prefix); | |
756 | set_tick_precision(tick_precision); | |
361c560e JH |
757 | } |
758 | ||
cdf7bea7 | 759 | void View::update_scroll() |
adb4b10c | 760 | { |
8dbbc7f0 | 761 | assert(viewport_); |
f4e57597 SA |
762 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
763 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 764 | |
8dbbc7f0 | 765 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
766 | |
767 | // Set the horizontal scroll bar | |
60d9b99a JS |
768 | double length = 0; |
769 | Timestamp offset; | |
f25770e2 JH |
770 | get_scroll_layout(length, offset); |
771 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 772 | |
c677193d | 773 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 774 | |
f4e57597 SA |
775 | hscrollbar->setPageStep(areaSize.width() / 2); |
776 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 777 | |
8dbbc7f0 | 778 | updating_scroll_ = true; |
528bd8a1 | 779 | |
333d5bbc | 780 | if (length < MaxScrollValue) { |
f4e57597 SA |
781 | hscrollbar->setRange(0, length); |
782 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 783 | } else { |
f4e57597 SA |
784 | hscrollbar->setRange(0, MaxScrollValue); |
785 | hscrollbar->setSliderPosition( | |
60d9b99a | 786 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 787 | } |
adb4b10c | 788 | |
8dbbc7f0 | 789 | updating_scroll_ = false; |
528bd8a1 | 790 | |
adb4b10c | 791 | // Set the vertical scrollbar |
f4e57597 SA |
792 | vscrollbar->setPageStep(areaSize.height()); |
793 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
794 | |
795 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
796 | |
797 | // Don't change the scrollbar range if there are no traces | |
798 | if (extents.first != extents.second) | |
f4e57597 | 799 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
800 | extents.second); |
801 | ||
802 | if (scroll_needs_defaults) | |
803 | set_scroll_default(); | |
804 | } | |
805 | ||
806 | void View::reset_scroll() | |
807 | { | |
f4e57597 | 808 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
809 | } |
810 | ||
811 | void View::set_scroll_default() | |
812 | { | |
813 | assert(viewport_); | |
814 | ||
815 | const QSize areaSize = viewport_->size(); | |
816 | ||
817 | // Special case: when starting up and the window isn't visible yet, | |
818 | // areaSize is [0, 0]. In this case we want to be called again later | |
819 | if (areaSize.height() == 0) { | |
820 | scroll_needs_defaults = true; | |
821 | return; | |
822 | } else { | |
823 | scroll_needs_defaults = false; | |
824 | } | |
825 | ||
826 | const pair<int, int> extents = v_extents(); | |
827 | const int trace_height = extents.second - extents.first; | |
828 | ||
829 | // Do all traces fit in the view? | |
830 | if (areaSize.height() >= trace_height) | |
831 | // Center all traces vertically | |
832 | set_v_offset(extents.first - | |
833 | ((areaSize.height() - trace_height) / 2)); | |
834 | else | |
835 | // Put the first trace at the top, letting the bottom ones overflow | |
836 | set_v_offset(extents.first); | |
adb4b10c JH |
837 | } |
838 | ||
d7c0ca4a JH |
839 | void View::update_layout() |
840 | { | |
f4e57597 SA |
841 | scrollarea_.setViewportMargins( |
842 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
843 | ruler_->sizeHint().height(), 0, 0); |
844 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 845 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 846 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 847 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
848 | update_scroll(); |
849 | } | |
850 | ||
af503b10 | 851 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 852 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 853 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 854 | &signal_map) |
448a72cf | 855 | { |
cf124e47 | 856 | assert(group); |
448a72cf | 857 | |
af503b10 JH |
858 | unordered_set<TraceTreeItemOwner*> owners; |
859 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 860 | |
cf124e47 JH |
861 | // Make a set and a list of all the owners |
862 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
863 | for (auto entry : signal_map) { |
864 | if (entry.first->channel() == channel) { | |
865 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
866 | owner_list.push_back(o); | |
867 | owners.insert(o); | |
868 | } | |
869 | } | |
cf124e47 | 870 | } |
448a72cf | 871 | |
cf124e47 JH |
872 | // Iterate through the list of owners, and find the most prevalent |
873 | size_t max_prevalence = 0; | |
af503b10 JH |
874 | TraceTreeItemOwner *prevalent_owner = nullptr; |
875 | for (TraceTreeItemOwner *owner : owners) { | |
cf124e47 JH |
876 | const size_t prevalence = std::count_if( |
877 | owner_list.begin(), owner_list.end(), | |
af503b10 | 878 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
879 | if (prevalence > max_prevalence) { |
880 | max_prevalence = prevalence; | |
881 | prevalent_owner = owner; | |
882 | } | |
448a72cf JH |
883 | } |
884 | ||
cf124e47 | 885 | return prevalent_owner; |
448a72cf JH |
886 | } |
887 | ||
cf124e47 JH |
888 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
889 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 890 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
891 | &signal_map, |
892 | set< shared_ptr<Trace> > &add_list) | |
893 | { | |
894 | vector< shared_ptr<Trace> > filtered_traces; | |
895 | ||
2ad82c2e | 896 | for (const auto &channel : channels) { |
bf0edd2b SA |
897 | for (auto entry : signal_map) { |
898 | if (entry.first->channel() == channel) { | |
899 | shared_ptr<Trace> trace = entry.second; | |
900 | const auto list_iter = add_list.find(trace); | |
901 | if (list_iter == add_list.end()) | |
902 | continue; | |
903 | ||
904 | filtered_traces.push_back(trace); | |
905 | add_list.erase(list_iter); | |
906 | } | |
907 | } | |
cf124e47 JH |
908 | } |
909 | ||
910 | return filtered_traces; | |
448a72cf JH |
911 | } |
912 | ||
ef454ad5 SA |
913 | void View::determine_time_unit() |
914 | { | |
7ee199a7 | 915 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 916 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 917 | // Check all signals but... |
47e9e7bb | 918 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
919 | const shared_ptr<SignalData> data = signal->data(); |
920 | ||
921 | // ...only check first segment of each | |
922 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
923 | if (!segments.empty()) | |
924 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 925 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
926 | break; |
927 | } | |
928 | } | |
ef454ad5 SA |
929 | } |
930 | } | |
931 | ||
cbd80f64 JH |
932 | bool View::eventFilter(QObject *object, QEvent *event) |
933 | { | |
934 | const QEvent::Type type = event->type(); | |
333d5bbc | 935 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
936 | |
937 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
938 | if (object == viewport_) |
939 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 940 | else if (object == ruler_) |
8dbbc7f0 JH |
941 | hover_point_ = QPoint(mouse_event->x(), 0); |
942 | else if (object == header_) | |
943 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 944 | else |
8dbbc7f0 | 945 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
946 | |
947 | hover_point_changed(); | |
948 | ||
333d5bbc | 949 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 950 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
951 | hover_point_changed(); |
952 | } | |
953 | ||
954 | return QObject::eventFilter(object, event); | |
955 | } | |
956 | ||
e314eca4 | 957 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 958 | { |
d7c0ca4a | 959 | update_layout(); |
adb4b10c JH |
960 | } |
961 | ||
6e2c3c85 | 962 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
963 | { |
964 | if (label) | |
8dbbc7f0 | 965 | header_->update(); |
32218d3e | 966 | if (content) |
8dbbc7f0 | 967 | viewport_->update(); |
32218d3e JH |
968 | } |
969 | ||
98cfe4e8 JH |
970 | void View::time_item_appearance_changed(bool label, bool content) |
971 | { | |
972 | if (label) | |
819e2e95 | 973 | ruler_->update(); |
98cfe4e8 JH |
974 | if (content) |
975 | viewport_->update(); | |
976 | } | |
977 | ||
32218d3e JH |
978 | void View::extents_changed(bool horz, bool vert) |
979 | { | |
8dbbc7f0 | 980 | sticky_events_ |= |
af503b10 JH |
981 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
982 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 983 | lazy_event_handler_.start(); |
32218d3e JH |
984 | } |
985 | ||
b16907d3 | 986 | void View::h_scroll_value_changed(int value) |
adb4b10c | 987 | { |
8dbbc7f0 | 988 | if (updating_scroll_) |
528bd8a1 JH |
989 | return; |
990 | ||
c7b03d9d SA |
991 | // Disable sticky scrolling when user moves the horizontal scroll bar |
992 | // during a running acquisition | |
993 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
994 | sticky_scrolling_ = false; | |
995 | sticky_scrolling_changed(false); | |
996 | } | |
997 | ||
f4e57597 | 998 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 999 | if (range < MaxScrollValue) |
4b0af0b6 | 1000 | set_offset(scale_ * value); |
f25770e2 | 1001 | else { |
60d9b99a JS |
1002 | double length = 0; |
1003 | Timestamp offset; | |
f25770e2 | 1004 | get_scroll_layout(length, offset); |
4b0af0b6 | 1005 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1006 | } |
1007 | ||
8dbbc7f0 | 1008 | ruler_->update(); |
8dbbc7f0 | 1009 | viewport_->update(); |
adb4b10c JH |
1010 | } |
1011 | ||
f8400017 | 1012 | void View::v_scroll_value_changed() |
adb4b10c | 1013 | { |
8dbbc7f0 JH |
1014 | header_->update(); |
1015 | viewport_->update(); | |
adb4b10c JH |
1016 | } |
1017 | ||
69dd2b03 JH |
1018 | void View::signals_changed() |
1019 | { | |
769a79b5 JH |
1020 | using sigrok::Channel; |
1021 | ||
925763b0 SA |
1022 | vector< shared_ptr<Channel> > channels; |
1023 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1024 | |
925763b0 SA |
1025 | // Do we need to set the vertical scrollbar to its default position later? |
1026 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1027 | bool reset_scrollbar = | |
f4e57597 SA |
1028 | (scrollarea_.verticalScrollBar()->minimum() == |
1029 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1030 | |
1031 | if (!session_.device()) { | |
1032 | reset_scroll(); | |
47e9e7bb | 1033 | signals_.clear(); |
925763b0 | 1034 | } else { |
925763b0 | 1035 | sr_dev = session_.device()->device(); |
3b353d67 | 1036 | assert(sr_dev); |
925763b0 SA |
1037 | channels = sr_dev->channels(); |
1038 | } | |
e37e05f7 | 1039 | |
925763b0 | 1040 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1041 | |
cf124e47 JH |
1042 | // Make a list of traces that are being added, and a list of traces |
1043 | // that are being removed | |
364d2155 JH |
1044 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1045 | const set<shared_ptr<Trace>> prev_traces( | |
1046 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1047 | |
47e9e7bb | 1048 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1049 | |
1050 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1051 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1052 | #endif |
1053 | ||
1054 | set< shared_ptr<Trace> > add_traces; | |
1055 | set_difference(traces.begin(), traces.end(), | |
1056 | prev_traces.begin(), prev_traces.end(), | |
1057 | inserter(add_traces, add_traces.begin())); | |
1058 | ||
1059 | set< shared_ptr<Trace> > remove_traces; | |
1060 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1061 | traces.begin(), traces.end(), | |
1062 | inserter(remove_traces, remove_traces.begin())); | |
1063 | ||
1064 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1065 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1066 | signal_map; |
47e9e7bb | 1067 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1068 | signal_map[sig->base()] = sig; |
448a72cf JH |
1069 | |
1070 | // Populate channel groups | |
925763b0 SA |
1071 | if (sr_dev) |
1072 | for (auto entry : sr_dev->channel_groups()) { | |
1073 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1074 | ||
1075 | if (group->channels().size() <= 1) | |
1076 | continue; | |
1077 | ||
1078 | // Find best trace group to add to | |
1079 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1080 | group, signal_map); | |
1081 | ||
1082 | // If there is no trace group, create one | |
1083 | shared_ptr<TraceGroup> new_trace_group; | |
1084 | if (!owner) { | |
1085 | new_trace_group.reset(new TraceGroup()); | |
1086 | owner = new_trace_group.get(); | |
1087 | } | |
1088 | ||
1089 | // Extract traces for the trace group, removing them from | |
1090 | // the add list | |
1091 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1092 | extract_new_traces_for_channels(group->channels(), | |
1093 | signal_map, add_traces); | |
1094 | ||
1095 | // Add the traces to the group | |
1096 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1097 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1098 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1099 | assert(trace); | |
1100 | owner->add_child_item(trace); | |
1101 | ||
1102 | const pair<int, int> extents = trace->v_extents(); | |
1103 | if (trace->enabled()) | |
1104 | offset += -extents.first; | |
1105 | trace->force_to_v_offset(offset); | |
1106 | if (trace->enabled()) | |
1107 | offset += extents.second; | |
1108 | } | |
1109 | ||
7d556523 SA |
1110 | if (new_trace_group) { |
1111 | // Assign proper vertical offsets to each channel in the group | |
1112 | new_trace_group->restack_items(); | |
1113 | ||
1114 | // If this is a new group, enqueue it in the new top level | |
1115 | // items list | |
1116 | if (!new_traces_in_group.empty()) | |
1117 | new_top_level_items.push_back(new_trace_group); | |
1118 | } | |
cf124e47 | 1119 | } |
68b21a71 | 1120 | |
769a79b5 JH |
1121 | // Enqueue the remaining logic channels in a group |
1122 | vector< shared_ptr<Channel> > logic_channels; | |
1123 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1124 | [](const shared_ptr<Channel>& c) { | |
1125 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1126 | |
769a79b5 | 1127 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1128 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1129 | ||
1130 | if (non_grouped_logic_signals.size() > 0) { | |
1131 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1132 | make_shared<TraceGroup>()); | |
1133 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1134 | non_grouped_trace_group->add_child_item(trace); | |
1135 | ||
1136 | non_grouped_trace_group->restack_items(); | |
1137 | new_top_level_items.push_back(non_grouped_trace_group); | |
1138 | } | |
769a79b5 | 1139 | |
cf124e47 JH |
1140 | // Enqueue the remaining channels as free ungrouped traces |
1141 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1142 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1143 | new_top_level_items.insert(new_top_level_items.end(), |
1144 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1145 | ||
1146 | // Enqueue any remaining traces i.e. decode traces | |
1147 | new_top_level_items.insert(new_top_level_items.end(), | |
1148 | add_traces.begin(), add_traces.end()); | |
1149 | ||
1150 | // Remove any removed traces | |
1151 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1152 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1153 | assert(owner); |
1154 | owner->remove_child_item(trace); | |
1155 | } | |
448a72cf | 1156 | |
bc72e51f SA |
1157 | // Remove any empty trace groups |
1158 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1159 | if (group->child_items().size() == 0) { |
bc72e51f | 1160 | remove_child_item(group); |
e28c998e SA |
1161 | group.reset(); |
1162 | } | |
bc72e51f | 1163 | |
cf124e47 JH |
1164 | // Add and position the pending top levels items |
1165 | for (auto item : new_top_level_items) { | |
8c09273b SA |
1166 | add_child_item(item); |
1167 | ||
d6128866 SA |
1168 | // Position the item after the last item or at the top if there is none |
1169 | int offset = v_extents().second; | |
8c09273b SA |
1170 | const pair<int, int> extents = item->v_extents(); |
1171 | ||
1172 | if (item->enabled()) | |
1173 | offset += -extents.first; | |
d6128866 | 1174 | |
d6128866 | 1175 | item->force_to_v_offset(offset); |
cf124e47 | 1176 | |
cf124e47 | 1177 | if (item->enabled()) |
8c09273b | 1178 | offset += extents.second; |
ef8311a4 JH |
1179 | } |
1180 | ||
a6c1726e | 1181 | update_layout(); |
cf124e47 JH |
1182 | |
1183 | header_->update(); | |
1184 | viewport_->update(); | |
925763b0 SA |
1185 | |
1186 | if (reset_scrollbar) | |
1187 | set_scroll_default(); | |
69dd2b03 JH |
1188 | } |
1189 | ||
7ee199a7 | 1190 | void View::capture_state_updated(int state) |
adb4b10c | 1191 | { |
92ff2b60 | 1192 | if (state == Session::Running) { |
4b0af0b6 | 1193 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1194 | |
92ff2b60 TS |
1195 | trigger_markers_.clear(); |
1196 | } | |
1197 | ||
fd03a279 SA |
1198 | if (state == Session::Stopped) { |
1199 | // After acquisition has stopped we need to re-calculate the ticks once | |
1200 | // as it's otherwise done when the user pans or zooms, which is too late | |
1201 | calculate_tick_spacing(); | |
1202 | ||
1203 | // Reset "always zoom to fit", the acquisition has stopped | |
1204 | if (always_zoom_to_fit_) { | |
1205 | always_zoom_to_fit_ = false; | |
1206 | always_zoom_to_fit_changed(false); | |
1207 | } | |
1208 | } | |
7ee199a7 SA |
1209 | } |
1210 | ||
1211 | void View::data_updated() | |
1212 | { | |
ce11b2ea | 1213 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1214 | if (!delayed_view_updater_.isActive()) |
1215 | delayed_view_updater_.start(); | |
1216 | } else { | |
ef454ad5 | 1217 | determine_time_unit(); |
c7b03d9d SA |
1218 | update_scroll(); |
1219 | ruler_->update(); | |
1220 | viewport_->update(); | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | void View::perform_delayed_view_update() | |
1225 | { | |
ce11b2ea SA |
1226 | if (always_zoom_to_fit_) |
1227 | zoom_fit(true); | |
1228 | ||
c7b03d9d SA |
1229 | if (sticky_scrolling_) { |
1230 | // Make right side of the view sticky | |
60d9b99a JS |
1231 | double length = 0; |
1232 | Timestamp offset; | |
c7b03d9d SA |
1233 | get_scroll_layout(length, offset); |
1234 | ||
1235 | const QSize areaSize = viewport_->size(); | |
1236 | length = max(length - areaSize.width(), 0.0); | |
1237 | ||
4b0af0b6 | 1238 | set_offset(scale_ * length); |
c7b03d9d | 1239 | } |
adb4b10c | 1240 | |
ef454ad5 | 1241 | determine_time_unit(); |
c7b03d9d SA |
1242 | update_scroll(); |
1243 | ruler_->update(); | |
8dbbc7f0 | 1244 | viewport_->update(); |
adb4b10c | 1245 | } |
cdf7bea7 | 1246 | |
32218d3e | 1247 | void View::process_sticky_events() |
d7c0ca4a | 1248 | { |
af503b10 | 1249 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1250 | update_layout(); |
af503b10 JH |
1251 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1252 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1253 | update_scroll(); |
1254 | } | |
32218d3e JH |
1255 | |
1256 | // Clear the sticky events | |
8dbbc7f0 | 1257 | sticky_events_ = 0; |
d7c0ca4a JH |
1258 | } |
1259 | ||
33c62f44 JH |
1260 | void View::on_hover_point_changed() |
1261 | { | |
cc88566c JH |
1262 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1263 | list_by_type<TraceTreeItem>()); | |
1264 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1265 | r->hover_point_changed(); |
33c62f44 JH |
1266 | } |
1267 | ||
f4e57597 SA |
1268 | } // namespace TraceView |
1269 | } // namespace views | |
cdf7bea7 | 1270 | } // namespace pv |