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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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
adb4b10c JH |
18 | */ |
19 | ||
269528f5 | 20 | #ifdef ENABLE_DECODE |
4e5a4405 | 21 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 22 | #endif |
4e5a4405 | 23 | |
361c560e JH |
24 | #include <extdef.h> |
25 | ||
cf124e47 | 26 | #include <algorithm> |
c3a740dd JH |
27 | #include <cassert> |
28 | #include <climits> | |
29 | #include <cmath> | |
3a21afa6 | 30 | #include <iostream> |
cf124e47 | 31 | #include <iterator> |
7ff0145f | 32 | #include <unordered_set> |
adb4b10c | 33 | |
3a21afa6 SA |
34 | #include <boost/archive/text_iarchive.hpp> |
35 | #include <boost/archive/text_oarchive.hpp> | |
36 | #include <boost/serialization/serialization.hpp> | |
e71eb81c | 37 | |
361c560e | 38 | #include <QApplication> |
adb4b10c | 39 | #include <QEvent> |
361c560e | 40 | #include <QFontMetrics> |
aca9aa83 | 41 | #include <QHBoxLayout> |
cbd80f64 | 42 | #include <QMouseEvent> |
adb4b10c JH |
43 | #include <QScrollBar> |
44 | ||
fe3a1c21 | 45 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 46 | |
574c568d | 47 | #include "analogsignal.hpp" |
2acdb232 JH |
48 | #include "header.hpp" |
49 | #include "logicsignal.hpp" | |
50 | #include "ruler.hpp" | |
51 | #include "signal.hpp" | |
52 | #include "tracegroup.hpp" | |
1a2288a1 | 53 | #include "triggermarker.hpp" |
2acdb232 JH |
54 | #include "view.hpp" |
55 | #include "viewport.hpp" | |
adb4b10c | 56 | |
2acdb232 | 57 | #include "pv/data/logic.hpp" |
f3d66e52 | 58 | #include "pv/data/logicsegment.hpp" |
aca9aa83 UH |
59 | #include "pv/devices/device.hpp" |
60 | #include "pv/globalsettings.hpp" | |
61 | #include "pv/session.hpp" | |
361c560e | 62 | #include "pv/util.hpp" |
adb4b10c | 63 | |
dcfe0a01 SA |
64 | #ifdef ENABLE_DECODE |
65 | #include "decodetrace.hpp" | |
66 | #endif | |
67 | ||
1bc6525b | 68 | using pv::data::SignalData; |
f3d66e52 | 69 | using pv::data::Segment; |
ef454ad5 | 70 | using pv::util::TimeUnit; |
60d9b99a | 71 | using pv::util::Timestamp; |
361c560e | 72 | |
769a79b5 JH |
73 | using std::back_inserter; |
74 | using std::copy_if; | |
6f925ba9 | 75 | using std::count_if; |
448a72cf | 76 | using std::dynamic_pointer_cast; |
cf124e47 | 77 | using std::inserter; |
819f4c25 | 78 | using std::max; |
1bc6525b | 79 | using std::make_pair; |
769a79b5 | 80 | using std::make_shared; |
819f4c25 | 81 | using std::min; |
1bc6525b | 82 | using std::pair; |
819f4c25 | 83 | using std::set; |
cf124e47 | 84 | using std::set_difference; |
f9abf97e | 85 | using std::shared_ptr; |
6f925ba9 | 86 | using std::stringstream; |
448a72cf | 87 | using std::unordered_map; |
7ff0145f | 88 | using std::unordered_set; |
819f4c25 | 89 | using std::vector; |
adb4b10c | 90 | |
cdf7bea7 | 91 | namespace pv { |
f4e57597 SA |
92 | namespace views { |
93 | namespace TraceView { | |
adb4b10c | 94 | |
60d9b99a JS |
95 | const Timestamp View::MaxScale("1e9"); |
96 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 97 | |
f25770e2 JH |
98 | const int View::MaxScrollValue = INT_MAX / 2; |
99 | ||
361c560e JH |
100 | const int View::ScaleUnits[3] = {1, 2, 5}; |
101 | ||
f4e57597 SA |
102 | |
103 | CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : | |
104 | QAbstractScrollArea(parent) | |
105 | { | |
106 | } | |
107 | ||
108 | void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) | |
109 | { | |
110 | QAbstractScrollArea::setViewportMargins(left, top, right, bottom); | |
111 | } | |
112 | ||
113 | bool CustomAbstractScrollArea::viewportEvent(QEvent *event) | |
114 | { | |
115 | switch (event->type()) { | |
116 | case QEvent::Paint: | |
117 | case QEvent::MouseButtonPress: | |
118 | case QEvent::MouseButtonRelease: | |
119 | case QEvent::MouseButtonDblClick: | |
120 | case QEvent::MouseMove: | |
121 | case QEvent::Wheel: | |
122 | case QEvent::TouchBegin: | |
123 | case QEvent::TouchUpdate: | |
124 | case QEvent::TouchEnd: | |
125 | return false; | |
126 | default: | |
127 | return QAbstractScrollArea::viewportEvent(event); | |
128 | } | |
129 | } | |
130 | ||
143d322d SA |
131 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
132 | ViewBase(session, is_main_view, parent), | |
8dbbc7f0 JH |
133 | viewport_(new Viewport(*this)), |
134 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 135 | header_(new Header(*this)), |
f4e57597 | 136 | scrollarea_(this), |
c0100b55 | 137 | scale_(1e-3), |
8dbbc7f0 | 138 | offset_(0), |
8dbbc7f0 | 139 | updating_scroll_(false), |
c7b03d9d | 140 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 141 | always_zoom_to_fit_(false), |
c677193d | 142 | tick_period_(0), |
d001f416 | 143 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 144 | tick_precision_(0), |
d001f416 | 145 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 146 | show_cursors_(false), |
5c5ce757 | 147 | cursors_(new CursorPair(*this)), |
8914fe79 | 148 | next_flag_text_('A'), |
92ff2b60 | 149 | trigger_markers_(), |
f4203850 | 150 | hover_point_(-1, -1), |
e62bee73 | 151 | scroll_needs_defaults_(false), |
ae5f6628 SA |
152 | saved_v_offset_(0), |
153 | size_finalized_(false) | |
adb4b10c | 154 | { |
24c29d4f SA |
155 | GlobalSettings settings; |
156 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
157 | ||
f4e57597 | 158 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 159 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 160 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 161 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 162 | |
8dbbc7f0 | 163 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
164 | ruler_, SLOT(clear_selection())); |
165 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 166 | header_, SLOT(clear_selection())); |
17348f85 | 167 | |
8dbbc7f0 | 168 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 169 | this, SIGNAL(selection_changed())); |
819e2e95 | 170 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
171 | this, SIGNAL(selection_changed())); |
172 | ||
33c62f44 JH |
173 | connect(this, SIGNAL(hover_point_changed()), |
174 | this, SLOT(on_hover_point_changed())); | |
175 | ||
8dbbc7f0 | 176 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 177 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 178 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 179 | |
f4e57597 SA |
180 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
181 | QHBoxLayout *layout = new QHBoxLayout(this); | |
182 | setLayout(layout); | |
183 | layout->setContentsMargins(0, 0, 0, 0); | |
184 | layout->addWidget(&scrollarea_); | |
185 | ||
186 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 187 | |
8dbbc7f0 JH |
188 | viewport_->installEventFilter(this); |
189 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 190 | header_->installEventFilter(this); |
d873f4d6 | 191 | |
9f46d905 JH |
192 | // Trigger the initial event manually. The default device has signals |
193 | // which were created before this object came into being | |
d873f4d6 | 194 | signals_changed(); |
84a0d458 | 195 | |
512bfc56 | 196 | // make sure the transparent widgets are on the top |
819e2e95 | 197 | ruler_->raise(); |
8dbbc7f0 | 198 | header_->raise(); |
361c560e JH |
199 | |
200 | // Update the zoom state | |
201 | calculate_tick_spacing(); | |
adb4b10c JH |
202 | } |
203 | ||
2b81ae46 | 204 | Session& View::session() |
1d19ef83 | 205 | { |
8dbbc7f0 | 206 | return session_; |
1d19ef83 JH |
207 | } |
208 | ||
2b81ae46 | 209 | const Session& View::session() const |
38eeddea | 210 | { |
8dbbc7f0 | 211 | return session_; |
38eeddea JH |
212 | } |
213 | ||
6f925ba9 | 214 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
215 | { |
216 | return signals_; | |
217 | } | |
218 | ||
219 | void View::clear_signals() | |
220 | { | |
5ed05b69 | 221 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
222 | signals_.clear(); |
223 | } | |
224 | ||
f4e57597 | 225 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 226 | { |
5ed05b69 | 227 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb SA |
228 | signals_.insert(signal); |
229 | } | |
230 | ||
bb7dd726 | 231 | #ifdef ENABLE_DECODE |
f4e57597 | 232 | void View::clear_decode_signals() |
bb7dd726 SA |
233 | { |
234 | decode_traces_.clear(); | |
235 | } | |
236 | ||
f4e57597 | 237 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 238 | { |
f4e57597 SA |
239 | shared_ptr<DecodeTrace> d( |
240 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
241 | decode_traces_.push_back(d); |
242 | } | |
243 | ||
f4e57597 | 244 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
245 | { |
246 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
247 | if ((*i)->base() == signalbase) { | |
248 | decode_traces_.erase(i); | |
249 | signals_changed(); | |
250 | return; | |
251 | } | |
252 | } | |
253 | #endif | |
254 | ||
eae6e30a JH |
255 | View* View::view() |
256 | { | |
257 | return this; | |
258 | } | |
259 | ||
260 | const View* View::view() const | |
261 | { | |
262 | return this; | |
263 | } | |
264 | ||
2ae445ba SA |
265 | Viewport* View::viewport() |
266 | { | |
8dbbc7f0 | 267 | return viewport_; |
2ae445ba SA |
268 | } |
269 | ||
270 | const Viewport* View::viewport() const | |
271 | { | |
8dbbc7f0 | 272 | return viewport_; |
2ae445ba SA |
273 | } |
274 | ||
3a21afa6 SA |
275 | void View::save_settings(QSettings &settings) const |
276 | { | |
277 | settings.setValue("scale", scale_); | |
39ab01e7 SA |
278 | settings.setValue("v_offset", |
279 | scrollarea_.verticalScrollBar()->sliderPosition()); | |
3a21afa6 | 280 | |
6f925ba9 | 281 | stringstream ss; |
3a21afa6 SA |
282 | boost::archive::text_oarchive oa(ss); |
283 | oa << boost::serialization::make_nvp("offset", offset_); | |
284 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
285 | ||
f4e57597 | 286 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
287 | settings.beginGroup(signal->base()->internal_name()); |
288 | signal->save_settings(settings); | |
289 | settings.endGroup(); | |
290 | } | |
291 | } | |
292 | ||
293 | void View::restore_settings(QSettings &settings) | |
294 | { | |
39ab01e7 SA |
295 | // Note: It is assumed that this function is only called once, |
296 | // immediately after restoring a previous session. | |
297 | ||
3a21afa6 SA |
298 | if (settings.contains("scale")) |
299 | set_scale(settings.value("scale").toDouble()); | |
300 | ||
301 | if (settings.contains("offset")) { | |
302 | util::Timestamp offset; | |
6f925ba9 | 303 | stringstream ss; |
3a21afa6 SA |
304 | ss << settings.value("offset").toString().toStdString(); |
305 | ||
306 | boost::archive::text_iarchive ia(ss); | |
307 | ia >> boost::serialization::make_nvp("offset", offset); | |
308 | ||
309 | set_offset(offset); | |
310 | } | |
311 | ||
f4e57597 | 312 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
313 | settings.beginGroup(signal->base()->internal_name()); |
314 | signal->restore_settings(settings); | |
315 | settings.endGroup(); | |
316 | } | |
39ab01e7 SA |
317 | |
318 | if (settings.contains("v_offset")) { | |
319 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
320 | set_v_offset(saved_v_offset_); | |
e62bee73 | 321 | scroll_needs_defaults_ = false; |
39ab01e7 SA |
322 | // Note: see resizeEvent() for additional information |
323 | } | |
3a21afa6 SA |
324 | } |
325 | ||
2496bf45 JH |
326 | vector< shared_ptr<TimeItem> > View::time_items() const |
327 | { | |
8914fe79 JH |
328 | const vector<shared_ptr<Flag>> f(flags()); |
329 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 330 | items.push_back(cursors_); |
5c5ce757 JH |
331 | items.push_back(cursors_->first()); |
332 | items.push_back(cursors_->second()); | |
1a2288a1 | 333 | |
92ff2b60 TS |
334 | for (auto trigger_marker : trigger_markers_) |
335 | items.push_back(trigger_marker); | |
1a2288a1 | 336 | |
2496bf45 JH |
337 | return items; |
338 | } | |
339 | ||
cdf7bea7 | 340 | double View::scale() const |
adb4b10c | 341 | { |
8dbbc7f0 | 342 | return scale_; |
adb4b10c JH |
343 | } |
344 | ||
4b0af0b6 JS |
345 | void View::set_scale(double scale) |
346 | { | |
347 | if (scale_ != scale) { | |
348 | scale_ = scale; | |
349 | Q_EMIT scale_changed(); | |
350 | } | |
351 | } | |
352 | ||
60d9b99a | 353 | const Timestamp& View::offset() const |
adb4b10c | 354 | { |
8dbbc7f0 | 355 | return offset_; |
adb4b10c JH |
356 | } |
357 | ||
4b0af0b6 JS |
358 | void View::set_offset(const pv::util::Timestamp& offset) |
359 | { | |
360 | if (offset_ != offset) { | |
361 | offset_ = offset; | |
362 | Q_EMIT offset_changed(); | |
363 | } | |
364 | } | |
365 | ||
7ff0145f | 366 | int View::owner_visual_v_offset() const |
adb4b10c | 367 | { |
f4e57597 | 368 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
369 | } |
370 | ||
4d476647 JH |
371 | void View::set_v_offset(int offset) |
372 | { | |
f4e57597 | 373 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
374 | header_->update(); |
375 | viewport_->update(); | |
376 | } | |
377 | ||
3e769a37 JH |
378 | unsigned int View::depth() const |
379 | { | |
380 | return 0; | |
381 | } | |
382 | ||
d001f416 | 383 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
384 | { |
385 | return tick_prefix_; | |
386 | } | |
387 | ||
4b0af0b6 JS |
388 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
389 | { | |
390 | if (tick_prefix_ != tick_prefix) { | |
391 | tick_prefix_ = tick_prefix; | |
392 | Q_EMIT tick_prefix_changed(); | |
393 | } | |
394 | } | |
395 | ||
d40f4db7 SA |
396 | unsigned int View::tick_precision() const |
397 | { | |
398 | return tick_precision_; | |
399 | } | |
400 | ||
4b0af0b6 JS |
401 | void View::set_tick_precision(unsigned tick_precision) |
402 | { | |
403 | if (tick_precision_ != tick_precision) { | |
404 | tick_precision_ = tick_precision; | |
405 | Q_EMIT tick_precision_changed(); | |
406 | } | |
407 | } | |
408 | ||
c677193d | 409 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
410 | { |
411 | return tick_period_; | |
412 | } | |
413 | ||
c677193d | 414 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
415 | { |
416 | if (tick_period_ != tick_period) { | |
417 | tick_period_ = tick_period; | |
418 | Q_EMIT tick_period_changed(); | |
419 | } | |
420 | } | |
421 | ||
ef454ad5 SA |
422 | TimeUnit View::time_unit() const |
423 | { | |
424 | return time_unit_; | |
425 | } | |
426 | ||
4b0af0b6 JS |
427 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
428 | { | |
429 | if (time_unit_ != time_unit) { | |
430 | time_unit_ = time_unit; | |
431 | Q_EMIT time_unit_changed(); | |
432 | } | |
433 | } | |
434 | ||
cdf7bea7 | 435 | void View::zoom(double steps) |
adb4b10c | 436 | { |
8dbbc7f0 | 437 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
438 | } |
439 | ||
17c0f398 JH |
440 | void View::zoom(double steps, int offset) |
441 | { | |
c063290a | 442 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
443 | } |
444 | ||
ce11b2ea | 445 | void View::zoom_fit(bool gui_state) |
ca46b534 | 446 | { |
ce11b2ea SA |
447 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
448 | if (session_.get_capture_state() == Session::Stopped) { | |
449 | always_zoom_to_fit_ = false; | |
450 | always_zoom_to_fit_changed(false); | |
451 | } else { | |
452 | always_zoom_to_fit_ = gui_state; | |
453 | always_zoom_to_fit_changed(gui_state); | |
454 | } | |
455 | ||
60d9b99a JS |
456 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
457 | const Timestamp delta = extents.second - extents.first; | |
458 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
459 | return; |
460 | ||
8dbbc7f0 JH |
461 | assert(viewport_); |
462 | const int w = viewport_->width(); | |
ca46b534 JH |
463 | if (w <= 0) |
464 | return; | |
465 | ||
60d9b99a JS |
466 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
467 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
468 | } |
469 | ||
d1e7d82c JH |
470 | void View::zoom_one_to_one() |
471 | { | |
472 | using pv::data::SignalData; | |
473 | ||
d1e7d82c | 474 | // Make a set of all the visible data objects |
0fc664a9 | 475 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
476 | if (visible_data.empty()) |
477 | return; | |
478 | ||
8dbbc7f0 JH |
479 | assert(viewport_); |
480 | const int w = viewport_->width(); | |
d1e7d82c JH |
481 | if (w <= 0) |
482 | return; | |
483 | ||
2220e942 | 484 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
485 | } |
486 | ||
60d9b99a | 487 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 488 | { |
ce11b2ea SA |
489 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
490 | // and user drags the viewport | |
c7b03d9d | 491 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
492 | (session_.get_capture_state() == Session::Running)) { |
493 | ||
494 | if (sticky_scrolling_) { | |
495 | sticky_scrolling_ = false; | |
496 | sticky_scrolling_changed(false); | |
497 | } | |
498 | ||
499 | if (always_zoom_to_fit_) { | |
500 | always_zoom_to_fit_ = false; | |
501 | always_zoom_to_fit_changed(false); | |
502 | } | |
c7b03d9d SA |
503 | } |
504 | ||
4b0af0b6 JS |
505 | set_scale(scale); |
506 | set_offset(offset); | |
ccdd3ef5 | 507 | |
361c560e JH |
508 | calculate_tick_spacing(); |
509 | ||
adb4b10c | 510 | update_scroll(); |
8dbbc7f0 | 511 | ruler_->update(); |
8dbbc7f0 | 512 | viewport_->update(); |
adb4b10c JH |
513 | } |
514 | ||
1bc6525b JH |
515 | set< shared_ptr<SignalData> > View::get_visible_data() const |
516 | { | |
1bc6525b JH |
517 | // Make a set of all the visible data objects |
518 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 519 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
520 | if (sig->enabled()) |
521 | visible_data.insert(sig->data()); | |
522 | ||
523 | return visible_data; | |
524 | } | |
525 | ||
60d9b99a | 526 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 527 | { |
60d9b99a | 528 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 529 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 530 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 531 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 532 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
533 | double samplerate = s->samplerate(); |
534 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
535 | ||
60d9b99a JS |
536 | const Timestamp start_time = s->start_time(); |
537 | left_time = left_time ? | |
538 | min(*left_time, start_time) : | |
539 | start_time; | |
540 | right_time = right_time ? | |
541 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
542 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 543 | } |
1bc6525b JH |
544 | } |
545 | ||
60d9b99a JS |
546 | if (!left_time || !right_time) |
547 | return make_pair(0, 0); | |
7f4038d6 | 548 | |
60d9b99a JS |
549 | assert(*left_time < *right_time); |
550 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
551 | } |
552 | ||
051ba3b3 UH |
553 | void View::enable_show_sampling_points(bool state) |
554 | { | |
555 | (void)state; | |
556 | ||
557 | viewport_->update(); | |
558 | } | |
559 | ||
8ad61f40 UH |
560 | void View::enable_show_analog_minor_grid(bool state) |
561 | { | |
562 | (void)state; | |
563 | ||
564 | viewport_->update(); | |
565 | } | |
566 | ||
574c568d SA |
567 | void View::enable_coloured_bg(bool state) |
568 | { | |
48995388 | 569 | coloured_bg_ = state; |
574c568d SA |
570 | viewport_->update(); |
571 | } | |
572 | ||
48995388 JH |
573 | bool View::coloured_bg() const |
574 | { | |
575 | return coloured_bg_; | |
576 | } | |
577 | ||
f76af637 JH |
578 | bool View::cursors_shown() const |
579 | { | |
8dbbc7f0 | 580 | return show_cursors_; |
f76af637 JH |
581 | } |
582 | ||
583 | void View::show_cursors(bool show) | |
584 | { | |
8dbbc7f0 | 585 | show_cursors_ = show; |
819e2e95 | 586 | ruler_->update(); |
8dbbc7f0 | 587 | viewport_->update(); |
f76af637 JH |
588 | } |
589 | ||
b4d91e56 JH |
590 | void View::centre_cursors() |
591 | { | |
8dbbc7f0 | 592 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
593 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
594 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 595 | ruler_->update(); |
8dbbc7f0 | 596 | viewport_->update(); |
b4d91e56 JH |
597 | } |
598 | ||
6f925ba9 | 599 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 600 | { |
8dbbc7f0 | 601 | return cursors_; |
58864c5c JH |
602 | } |
603 | ||
60d9b99a | 604 | void View::add_flag(const Timestamp& time) |
8914fe79 | 605 | { |
067bb624 UH |
606 | flags_.push_back(make_shared<Flag>(*this, time, |
607 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 608 | |
8914fe79 JH |
609 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
610 | (next_flag_text_ + 1); | |
48257a69 | 611 | |
8914fe79 JH |
612 | time_item_appearance_changed(true, true); |
613 | } | |
614 | ||
6f925ba9 | 615 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
616 | { |
617 | flags_.remove(flag); | |
618 | time_item_appearance_changed(true, true); | |
619 | } | |
620 | ||
6f925ba9 | 621 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 622 | { |
6f925ba9 | 623 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
624 | stable_sort(flags.begin(), flags.end(), |
625 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
626 | return a->time() < b->time(); | |
627 | }); | |
628 | ||
629 | return flags; | |
630 | } | |
631 | ||
cbd80f64 JH |
632 | const QPoint& View::hover_point() const |
633 | { | |
8dbbc7f0 | 634 | return hover_point_; |
cbd80f64 JH |
635 | } |
636 | ||
af503b10 | 637 | void View::restack_all_trace_tree_items() |
7ff0145f | 638 | { |
873cbed0 | 639 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
640 | const vector<shared_ptr<TraceTreeItem>> items( |
641 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 642 | set< TraceTreeItemOwner* > owners; |
cc88566c | 643 | for (const auto &r : items) |
4800cf9a | 644 | owners.insert(r->owner()); |
af503b10 | 645 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 646 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 647 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
648 | return a->depth() > b->depth(); }); |
649 | ||
650 | // Restack the items recursively | |
651 | for (auto &o : sorted_owners) | |
652 | o->restack_items(); | |
653 | ||
654 | // Animate the items to their destination | |
cef5997e JH |
655 | for (const auto &i : items) |
656 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
657 | } |
658 | ||
48257a69 SA |
659 | void View::trigger_event(util::Timestamp location) |
660 | { | |
067bb624 | 661 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
662 | } |
663 | ||
60d9b99a | 664 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 665 | { |
60d9b99a JS |
666 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
667 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 668 | offset = offset_ / scale_; |
f25770e2 JH |
669 | } |
670 | ||
d1e7d82c JH |
671 | void View::set_zoom(double scale, int offset) |
672 | { | |
ce11b2ea SA |
673 | // Reset the "always zoom to fit" feature as the user changed the zoom |
674 | always_zoom_to_fit_ = false; | |
675 | always_zoom_to_fit_changed(false); | |
676 | ||
60d9b99a JS |
677 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
678 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
679 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
680 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
681 | } |
682 | ||
361c560e JH |
683 | void View::calculate_tick_spacing() |
684 | { | |
8a1bc087 | 685 | const double SpacingIncrement = 10.0f; |
8a463dbc | 686 | const double MinValueSpacing = 40.0f; |
361c560e | 687 | |
1e124d4b SA |
688 | // Figure out the highest numeric value visible on a label |
689 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 690 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
691 | fabs(offset_ + scale_ * areaSize.width())); |
692 | ||
d40f4db7 SA |
693 | double min_width = SpacingIncrement; |
694 | double label_width, tick_period_width; | |
361c560e JH |
695 | |
696 | QFontMetrics m(QApplication::font()); | |
697 | ||
adb3831e JS |
698 | // Copies of the member variables with the same name, used in the calculation |
699 | // and written back afterwards, so that we don't emit signals all the time | |
700 | // during the calculation. | |
701 | pv::util::Timestamp tick_period = tick_period_; | |
702 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
703 | unsigned tick_precision = tick_precision_; | |
704 | ||
361c560e JH |
705 | do { |
706 | const double min_period = scale_ * min_width; | |
707 | ||
708 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
709 | const pv::util::Timestamp order_decimal = |
710 | pow(pv::util::Timestamp(10), order); | |
361c560e | 711 | |
8a1bc087 SA |
712 | // Allow for a margin of error so that a scale unit of 1 can be used. |
713 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
714 | // the min_period by a small amount - and thus skipped in favor of 2. | |
715 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
716 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
717 | double tp_with_margin; | |
361c560e JH |
718 | unsigned int unit = 0; |
719 | ||
720 | do { | |
c677193d JS |
721 | tp_with_margin = order_decimal.convert_to<double>() * |
722 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 723 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 724 | |
adb3831e JS |
725 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
726 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
727 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 728 | |
d40f4db7 SA |
729 | // Precision is the number of fractional digits required, not |
730 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 731 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 732 | |
adb3831e | 733 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 734 | |
3ccf0f7f JS |
735 | const QString label_text = Ruler::format_time_with_distance( |
736 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
737 | |
738 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
739 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
740 | MinValueSpacing; |
741 | ||
742 | min_width += SpacingIncrement; | |
d40f4db7 | 743 | } while (tick_period_width < label_width); |
adb3831e JS |
744 | |
745 | set_tick_period(tick_period); | |
746 | set_tick_prefix(tick_prefix); | |
747 | set_tick_precision(tick_precision); | |
361c560e JH |
748 | } |
749 | ||
cdf7bea7 | 750 | void View::update_scroll() |
adb4b10c | 751 | { |
8dbbc7f0 | 752 | assert(viewport_); |
f4e57597 SA |
753 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
754 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 755 | |
8dbbc7f0 | 756 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
757 | |
758 | // Set the horizontal scroll bar | |
60d9b99a JS |
759 | double length = 0; |
760 | Timestamp offset; | |
f25770e2 JH |
761 | get_scroll_layout(length, offset); |
762 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 763 | |
c677193d | 764 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 765 | |
f4e57597 SA |
766 | hscrollbar->setPageStep(areaSize.width() / 2); |
767 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 768 | |
8dbbc7f0 | 769 | updating_scroll_ = true; |
528bd8a1 | 770 | |
333d5bbc | 771 | if (length < MaxScrollValue) { |
f4e57597 SA |
772 | hscrollbar->setRange(0, length); |
773 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 774 | } else { |
f4e57597 SA |
775 | hscrollbar->setRange(0, MaxScrollValue); |
776 | hscrollbar->setSliderPosition( | |
60d9b99a | 777 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 778 | } |
adb4b10c | 779 | |
8dbbc7f0 | 780 | updating_scroll_ = false; |
528bd8a1 | 781 | |
adb4b10c | 782 | // Set the vertical scrollbar |
f4e57597 SA |
783 | vscrollbar->setPageStep(areaSize.height()); |
784 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
785 | |
786 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
787 | |
788 | // Don't change the scrollbar range if there are no traces | |
789 | if (extents.first != extents.second) | |
f4e57597 | 790 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
791 | extents.second); |
792 | ||
e62bee73 | 793 | if (scroll_needs_defaults_) |
925763b0 SA |
794 | set_scroll_default(); |
795 | } | |
796 | ||
797 | void View::reset_scroll() | |
798 | { | |
f4e57597 | 799 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
800 | } |
801 | ||
802 | void View::set_scroll_default() | |
803 | { | |
804 | assert(viewport_); | |
805 | ||
806 | const QSize areaSize = viewport_->size(); | |
807 | ||
925763b0 SA |
808 | const pair<int, int> extents = v_extents(); |
809 | const int trace_height = extents.second - extents.first; | |
810 | ||
811 | // Do all traces fit in the view? | |
812 | if (areaSize.height() >= trace_height) | |
813 | // Center all traces vertically | |
814 | set_v_offset(extents.first - | |
815 | ((areaSize.height() - trace_height) / 2)); | |
816 | else | |
817 | // Put the first trace at the top, letting the bottom ones overflow | |
818 | set_v_offset(extents.first); | |
66e4eae9 SA |
819 | |
820 | // If we're not sure whether setting the defaults worked as | |
821 | // the window wasn't set up entirely yet, we want to be called | |
822 | // again later to make sure | |
823 | scroll_needs_defaults_ = !size_finalized_; | |
adb4b10c JH |
824 | } |
825 | ||
d7c0ca4a JH |
826 | void View::update_layout() |
827 | { | |
f4e57597 SA |
828 | scrollarea_.setViewportMargins( |
829 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
830 | ruler_->sizeHint().height(), 0, 0); |
831 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 832 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 833 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 834 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
835 | update_scroll(); |
836 | } | |
837 | ||
af503b10 | 838 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 839 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 840 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 841 | &signal_map) |
448a72cf | 842 | { |
cf124e47 | 843 | assert(group); |
448a72cf | 844 | |
af503b10 JH |
845 | unordered_set<TraceTreeItemOwner*> owners; |
846 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 847 | |
cf124e47 JH |
848 | // Make a set and a list of all the owners |
849 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
850 | for (auto entry : signal_map) { |
851 | if (entry.first->channel() == channel) { | |
852 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
853 | owner_list.push_back(o); | |
854 | owners.insert(o); | |
855 | } | |
856 | } | |
cf124e47 | 857 | } |
448a72cf | 858 | |
cf124e47 JH |
859 | // Iterate through the list of owners, and find the most prevalent |
860 | size_t max_prevalence = 0; | |
af503b10 JH |
861 | TraceTreeItemOwner *prevalent_owner = nullptr; |
862 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 863 | const size_t prevalence = count_if( |
cf124e47 | 864 | owner_list.begin(), owner_list.end(), |
af503b10 | 865 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
866 | if (prevalence > max_prevalence) { |
867 | max_prevalence = prevalence; | |
868 | prevalent_owner = owner; | |
869 | } | |
448a72cf JH |
870 | } |
871 | ||
cf124e47 | 872 | return prevalent_owner; |
448a72cf JH |
873 | } |
874 | ||
cf124e47 JH |
875 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
876 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 877 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
878 | &signal_map, |
879 | set< shared_ptr<Trace> > &add_list) | |
880 | { | |
881 | vector< shared_ptr<Trace> > filtered_traces; | |
882 | ||
2ad82c2e | 883 | for (const auto &channel : channels) { |
bf0edd2b SA |
884 | for (auto entry : signal_map) { |
885 | if (entry.first->channel() == channel) { | |
886 | shared_ptr<Trace> trace = entry.second; | |
887 | const auto list_iter = add_list.find(trace); | |
888 | if (list_iter == add_list.end()) | |
889 | continue; | |
890 | ||
891 | filtered_traces.push_back(trace); | |
892 | add_list.erase(list_iter); | |
893 | } | |
894 | } | |
cf124e47 JH |
895 | } |
896 | ||
897 | return filtered_traces; | |
448a72cf JH |
898 | } |
899 | ||
ef454ad5 SA |
900 | void View::determine_time_unit() |
901 | { | |
7ee199a7 | 902 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 903 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 904 | // Check all signals but... |
47e9e7bb | 905 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
906 | const shared_ptr<SignalData> data = signal->data(); |
907 | ||
908 | // ...only check first segment of each | |
909 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
910 | if (!segments.empty()) | |
911 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 912 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
913 | break; |
914 | } | |
915 | } | |
ef454ad5 SA |
916 | } |
917 | } | |
918 | ||
cbd80f64 JH |
919 | bool View::eventFilter(QObject *object, QEvent *event) |
920 | { | |
921 | const QEvent::Type type = event->type(); | |
333d5bbc | 922 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
923 | |
924 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
925 | if (object == viewport_) |
926 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 927 | else if (object == ruler_) |
8dbbc7f0 JH |
928 | hover_point_ = QPoint(mouse_event->x(), 0); |
929 | else if (object == header_) | |
930 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 931 | else |
8dbbc7f0 | 932 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
933 | |
934 | hover_point_changed(); | |
935 | ||
333d5bbc | 936 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 937 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
938 | hover_point_changed(); |
939 | } | |
940 | ||
941 | return QObject::eventFilter(object, event); | |
942 | } | |
943 | ||
e314eca4 | 944 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 945 | { |
d7c0ca4a | 946 | update_layout(); |
39ab01e7 SA |
947 | |
948 | // This is somewhat of a hack, unfortunately. We cannot use | |
949 | // set_v_offset() from within restore_settings() as the view | |
950 | // at that point is neither visible nor properly sized. | |
951 | // This is the least intrusive workaround I could come up | |
ae5f6628 SA |
952 | // with: set the vertical offset (or scroll defaults) when |
953 | // the view is visible and resized to its final size. | |
954 | // Resize events that are sent when the view is not visible | |
955 | // must be ignored as they have wrong sizes, potentially | |
956 | // preventing the v offset from being set successfully. | |
957 | ||
958 | if (isVisible()) | |
959 | size_finalized_ = true; | |
960 | ||
961 | if (size_finalized_ && saved_v_offset_) { | |
39ab01e7 SA |
962 | set_v_offset(saved_v_offset_); |
963 | saved_v_offset_ = 0; | |
964 | } | |
ae5f6628 SA |
965 | |
966 | if (size_finalized_ && scroll_needs_defaults_) | |
967 | set_scroll_default(); | |
adb4b10c JH |
968 | } |
969 | ||
6e2c3c85 | 970 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
971 | { |
972 | if (label) | |
8dbbc7f0 | 973 | header_->update(); |
32218d3e | 974 | if (content) |
8dbbc7f0 | 975 | viewport_->update(); |
32218d3e JH |
976 | } |
977 | ||
98cfe4e8 JH |
978 | void View::time_item_appearance_changed(bool label, bool content) |
979 | { | |
980 | if (label) | |
819e2e95 | 981 | ruler_->update(); |
98cfe4e8 JH |
982 | if (content) |
983 | viewport_->update(); | |
984 | } | |
985 | ||
32218d3e JH |
986 | void View::extents_changed(bool horz, bool vert) |
987 | { | |
8dbbc7f0 | 988 | sticky_events_ |= |
af503b10 JH |
989 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
990 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 991 | |
8dbbc7f0 | 992 | lazy_event_handler_.start(); |
32218d3e JH |
993 | } |
994 | ||
b16907d3 | 995 | void View::h_scroll_value_changed(int value) |
adb4b10c | 996 | { |
8dbbc7f0 | 997 | if (updating_scroll_) |
528bd8a1 JH |
998 | return; |
999 | ||
c7b03d9d SA |
1000 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1001 | // during a running acquisition | |
1002 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1003 | sticky_scrolling_ = false; | |
1004 | sticky_scrolling_changed(false); | |
1005 | } | |
1006 | ||
f4e57597 | 1007 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 1008 | if (range < MaxScrollValue) |
4b0af0b6 | 1009 | set_offset(scale_ * value); |
f25770e2 | 1010 | else { |
60d9b99a JS |
1011 | double length = 0; |
1012 | Timestamp offset; | |
f25770e2 | 1013 | get_scroll_layout(length, offset); |
4b0af0b6 | 1014 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1015 | } |
1016 | ||
8dbbc7f0 | 1017 | ruler_->update(); |
8dbbc7f0 | 1018 | viewport_->update(); |
adb4b10c JH |
1019 | } |
1020 | ||
f8400017 | 1021 | void View::v_scroll_value_changed() |
adb4b10c | 1022 | { |
8dbbc7f0 JH |
1023 | header_->update(); |
1024 | viewport_->update(); | |
adb4b10c JH |
1025 | } |
1026 | ||
69dd2b03 JH |
1027 | void View::signals_changed() |
1028 | { | |
769a79b5 JH |
1029 | using sigrok::Channel; |
1030 | ||
925763b0 SA |
1031 | vector< shared_ptr<Channel> > channels; |
1032 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1033 | |
925763b0 SA |
1034 | // Do we need to set the vertical scrollbar to its default position later? |
1035 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1036 | bool reset_scrollbar = | |
f4e57597 SA |
1037 | (scrollarea_.verticalScrollBar()->minimum() == |
1038 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1039 | |
1040 | if (!session_.device()) { | |
1041 | reset_scroll(); | |
47e9e7bb | 1042 | signals_.clear(); |
925763b0 | 1043 | } else { |
925763b0 | 1044 | sr_dev = session_.device()->device(); |
3b353d67 | 1045 | assert(sr_dev); |
925763b0 SA |
1046 | channels = sr_dev->channels(); |
1047 | } | |
e37e05f7 | 1048 | |
925763b0 | 1049 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1050 | |
cf124e47 JH |
1051 | // Make a list of traces that are being added, and a list of traces |
1052 | // that are being removed | |
364d2155 JH |
1053 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1054 | const set<shared_ptr<Trace>> prev_traces( | |
1055 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1056 | |
47e9e7bb | 1057 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1058 | |
1059 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1060 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1061 | #endif |
1062 | ||
1063 | set< shared_ptr<Trace> > add_traces; | |
1064 | set_difference(traces.begin(), traces.end(), | |
1065 | prev_traces.begin(), prev_traces.end(), | |
1066 | inserter(add_traces, add_traces.begin())); | |
1067 | ||
1068 | set< shared_ptr<Trace> > remove_traces; | |
1069 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1070 | traces.begin(), traces.end(), | |
1071 | inserter(remove_traces, remove_traces.begin())); | |
1072 | ||
1073 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1074 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1075 | signal_map; |
47e9e7bb | 1076 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1077 | signal_map[sig->base()] = sig; |
448a72cf JH |
1078 | |
1079 | // Populate channel groups | |
925763b0 SA |
1080 | if (sr_dev) |
1081 | for (auto entry : sr_dev->channel_groups()) { | |
1082 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1083 | ||
1084 | if (group->channels().size() <= 1) | |
1085 | continue; | |
1086 | ||
1087 | // Find best trace group to add to | |
1088 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1089 | group, signal_map); | |
1090 | ||
1091 | // If there is no trace group, create one | |
1092 | shared_ptr<TraceGroup> new_trace_group; | |
1093 | if (!owner) { | |
1094 | new_trace_group.reset(new TraceGroup()); | |
1095 | owner = new_trace_group.get(); | |
1096 | } | |
1097 | ||
1098 | // Extract traces for the trace group, removing them from | |
1099 | // the add list | |
1100 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1101 | extract_new_traces_for_channels(group->channels(), | |
1102 | signal_map, add_traces); | |
1103 | ||
1104 | // Add the traces to the group | |
1105 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1106 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1107 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1108 | assert(trace); | |
1109 | owner->add_child_item(trace); | |
1110 | ||
1111 | const pair<int, int> extents = trace->v_extents(); | |
1112 | if (trace->enabled()) | |
1113 | offset += -extents.first; | |
1114 | trace->force_to_v_offset(offset); | |
1115 | if (trace->enabled()) | |
1116 | offset += extents.second; | |
1117 | } | |
1118 | ||
7d556523 SA |
1119 | if (new_trace_group) { |
1120 | // Assign proper vertical offsets to each channel in the group | |
1121 | new_trace_group->restack_items(); | |
1122 | ||
1123 | // If this is a new group, enqueue it in the new top level | |
1124 | // items list | |
1125 | if (!new_traces_in_group.empty()) | |
1126 | new_top_level_items.push_back(new_trace_group); | |
1127 | } | |
cf124e47 | 1128 | } |
68b21a71 | 1129 | |
769a79b5 JH |
1130 | // Enqueue the remaining logic channels in a group |
1131 | vector< shared_ptr<Channel> > logic_channels; | |
1132 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1133 | [](const shared_ptr<Channel>& c) { | |
1134 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1135 | |
769a79b5 | 1136 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1137 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1138 | ||
1139 | if (non_grouped_logic_signals.size() > 0) { | |
1140 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1141 | make_shared<TraceGroup>()); | |
1142 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1143 | non_grouped_trace_group->add_child_item(trace); | |
1144 | ||
1145 | non_grouped_trace_group->restack_items(); | |
1146 | new_top_level_items.push_back(non_grouped_trace_group); | |
1147 | } | |
769a79b5 | 1148 | |
cf124e47 JH |
1149 | // Enqueue the remaining channels as free ungrouped traces |
1150 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1151 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1152 | new_top_level_items.insert(new_top_level_items.end(), |
1153 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1154 | ||
1155 | // Enqueue any remaining traces i.e. decode traces | |
1156 | new_top_level_items.insert(new_top_level_items.end(), | |
1157 | add_traces.begin(), add_traces.end()); | |
1158 | ||
1159 | // Remove any removed traces | |
1160 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1161 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1162 | assert(owner); |
1163 | owner->remove_child_item(trace); | |
1164 | } | |
448a72cf | 1165 | |
bc72e51f SA |
1166 | // Remove any empty trace groups |
1167 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1168 | if (group->child_items().size() == 0) { |
bc72e51f | 1169 | remove_child_item(group); |
e28c998e SA |
1170 | group.reset(); |
1171 | } | |
bc72e51f | 1172 | |
cf124e47 | 1173 | // Add and position the pending top levels items |
6644424f | 1174 | int offset = v_extents().second; |
cf124e47 | 1175 | for (auto item : new_top_level_items) { |
8c09273b SA |
1176 | add_child_item(item); |
1177 | ||
d6128866 | 1178 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1179 | const pair<int, int> extents = item->v_extents(); |
1180 | ||
1181 | if (item->enabled()) | |
1182 | offset += -extents.first; | |
d6128866 | 1183 | |
d6128866 | 1184 | item->force_to_v_offset(offset); |
cf124e47 | 1185 | |
cf124e47 | 1186 | if (item->enabled()) |
8c09273b | 1187 | offset += extents.second; |
ef8311a4 JH |
1188 | } |
1189 | ||
a6c1726e | 1190 | update_layout(); |
cf124e47 JH |
1191 | |
1192 | header_->update(); | |
1193 | viewport_->update(); | |
925763b0 SA |
1194 | |
1195 | if (reset_scrollbar) | |
1196 | set_scroll_default(); | |
69dd2b03 JH |
1197 | } |
1198 | ||
7ee199a7 | 1199 | void View::capture_state_updated(int state) |
adb4b10c | 1200 | { |
92ff2b60 | 1201 | if (state == Session::Running) { |
4b0af0b6 | 1202 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1203 | |
92ff2b60 | 1204 | trigger_markers_.clear(); |
90472a51 | 1205 | |
820ce18a SA |
1206 | // Activate "always zoom to fit" if the setting is enabled and we're |
1207 | // the main view of this session (other trace views may be used for | |
1208 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1209 | GlobalSettings settings; |
1210 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1211 | if (is_main_view_ && state) { |
90472a51 SA |
1212 | always_zoom_to_fit_ = true; |
1213 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1214 | } | |
9b64f2df SA |
1215 | |
1216 | // Enable sticky scrolling if the setting is enabled | |
1217 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
92ff2b60 TS |
1218 | } |
1219 | ||
fd03a279 SA |
1220 | if (state == Session::Stopped) { |
1221 | // After acquisition has stopped we need to re-calculate the ticks once | |
1222 | // as it's otherwise done when the user pans or zooms, which is too late | |
1223 | calculate_tick_spacing(); | |
1224 | ||
1225 | // Reset "always zoom to fit", the acquisition has stopped | |
1226 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1227 | // Perform a final zoom-to-fit before disabling |
1228 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1229 | always_zoom_to_fit_ = false; |
90472a51 | 1230 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1231 | } |
1232 | } | |
7ee199a7 SA |
1233 | } |
1234 | ||
c7b03d9d SA |
1235 | void View::perform_delayed_view_update() |
1236 | { | |
3906e758 | 1237 | if (always_zoom_to_fit_) { |
ce11b2ea | 1238 | zoom_fit(true); |
3906e758 | 1239 | } else if (sticky_scrolling_) { |
c7b03d9d | 1240 | // Make right side of the view sticky |
60d9b99a JS |
1241 | double length = 0; |
1242 | Timestamp offset; | |
c7b03d9d SA |
1243 | get_scroll_layout(length, offset); |
1244 | ||
1245 | const QSize areaSize = viewport_->size(); | |
1246 | length = max(length - areaSize.width(), 0.0); | |
1247 | ||
4b0af0b6 | 1248 | set_offset(scale_ * length); |
c7b03d9d | 1249 | } |
adb4b10c | 1250 | |
ef454ad5 | 1251 | determine_time_unit(); |
c7b03d9d SA |
1252 | update_scroll(); |
1253 | ruler_->update(); | |
8dbbc7f0 | 1254 | viewport_->update(); |
adb4b10c | 1255 | } |
cdf7bea7 | 1256 | |
32218d3e | 1257 | void View::process_sticky_events() |
d7c0ca4a | 1258 | { |
af503b10 | 1259 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1260 | update_layout(); |
af503b10 JH |
1261 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1262 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1263 | update_scroll(); |
1264 | } | |
32218d3e JH |
1265 | |
1266 | // Clear the sticky events | |
8dbbc7f0 | 1267 | sticky_events_ = 0; |
d7c0ca4a JH |
1268 | } |
1269 | ||
33c62f44 JH |
1270 | void View::on_hover_point_changed() |
1271 | { | |
cc88566c JH |
1272 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1273 | list_by_type<TraceTreeItem>()); | |
1274 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1275 | r->hover_point_changed(); |
33c62f44 JH |
1276 | } |
1277 | ||
f4e57597 SA |
1278 | } // namespace TraceView |
1279 | } // namespace views | |
cdf7bea7 | 1280 | } // namespace pv |