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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), |
5f9b7de5 | 152 | saved_v_offset_(0) |
adb4b10c | 153 | { |
24c29d4f SA |
154 | GlobalSettings settings; |
155 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
156 | ||
f4e57597 | 157 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 158 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 159 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 160 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 161 | |
8dbbc7f0 | 162 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
163 | ruler_, SLOT(clear_selection())); |
164 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 165 | header_, SLOT(clear_selection())); |
17348f85 | 166 | |
8dbbc7f0 | 167 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 168 | this, SIGNAL(selection_changed())); |
819e2e95 | 169 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
170 | this, SIGNAL(selection_changed())); |
171 | ||
33c62f44 JH |
172 | connect(this, SIGNAL(hover_point_changed()), |
173 | this, SLOT(on_hover_point_changed())); | |
174 | ||
8dbbc7f0 | 175 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 176 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 177 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 178 | |
f4e57597 SA |
179 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
180 | QHBoxLayout *layout = new QHBoxLayout(this); | |
181 | setLayout(layout); | |
182 | layout->setContentsMargins(0, 0, 0, 0); | |
183 | layout->addWidget(&scrollarea_); | |
184 | ||
185 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 186 | |
8dbbc7f0 JH |
187 | viewport_->installEventFilter(this); |
188 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 189 | header_->installEventFilter(this); |
d873f4d6 | 190 | |
9f46d905 JH |
191 | // Trigger the initial event manually. The default device has signals |
192 | // which were created before this object came into being | |
d873f4d6 | 193 | signals_changed(); |
84a0d458 | 194 | |
512bfc56 | 195 | // make sure the transparent widgets are on the top |
819e2e95 | 196 | ruler_->raise(); |
8dbbc7f0 | 197 | header_->raise(); |
361c560e JH |
198 | |
199 | // Update the zoom state | |
200 | calculate_tick_spacing(); | |
adb4b10c JH |
201 | } |
202 | ||
2b81ae46 | 203 | Session& View::session() |
1d19ef83 | 204 | { |
8dbbc7f0 | 205 | return session_; |
1d19ef83 JH |
206 | } |
207 | ||
2b81ae46 | 208 | const Session& View::session() const |
38eeddea | 209 | { |
8dbbc7f0 | 210 | return session_; |
38eeddea JH |
211 | } |
212 | ||
6f925ba9 | 213 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
214 | { |
215 | return signals_; | |
216 | } | |
217 | ||
218 | void View::clear_signals() | |
219 | { | |
5ed05b69 | 220 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
221 | signals_.clear(); |
222 | } | |
223 | ||
f4e57597 | 224 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 225 | { |
5ed05b69 | 226 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb SA |
227 | signals_.insert(signal); |
228 | } | |
229 | ||
bb7dd726 | 230 | #ifdef ENABLE_DECODE |
f4e57597 | 231 | void View::clear_decode_signals() |
bb7dd726 SA |
232 | { |
233 | decode_traces_.clear(); | |
234 | } | |
235 | ||
f4e57597 | 236 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 237 | { |
f4e57597 SA |
238 | shared_ptr<DecodeTrace> d( |
239 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
240 | decode_traces_.push_back(d); |
241 | } | |
242 | ||
f4e57597 | 243 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
244 | { |
245 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
246 | if ((*i)->base() == signalbase) { | |
247 | decode_traces_.erase(i); | |
248 | signals_changed(); | |
249 | return; | |
250 | } | |
251 | } | |
252 | #endif | |
253 | ||
eae6e30a JH |
254 | View* View::view() |
255 | { | |
256 | return this; | |
257 | } | |
258 | ||
259 | const View* View::view() const | |
260 | { | |
261 | return this; | |
262 | } | |
263 | ||
2ae445ba SA |
264 | Viewport* View::viewport() |
265 | { | |
8dbbc7f0 | 266 | return viewport_; |
2ae445ba SA |
267 | } |
268 | ||
269 | const Viewport* View::viewport() const | |
270 | { | |
8dbbc7f0 | 271 | return viewport_; |
2ae445ba SA |
272 | } |
273 | ||
3a21afa6 SA |
274 | void View::save_settings(QSettings &settings) const |
275 | { | |
276 | settings.setValue("scale", scale_); | |
39ab01e7 SA |
277 | settings.setValue("v_offset", |
278 | scrollarea_.verticalScrollBar()->sliderPosition()); | |
3a21afa6 | 279 | |
6f925ba9 | 280 | stringstream ss; |
3a21afa6 SA |
281 | boost::archive::text_oarchive oa(ss); |
282 | oa << boost::serialization::make_nvp("offset", offset_); | |
283 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
284 | ||
f4e57597 | 285 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
286 | settings.beginGroup(signal->base()->internal_name()); |
287 | signal->save_settings(settings); | |
288 | settings.endGroup(); | |
289 | } | |
290 | } | |
291 | ||
292 | void View::restore_settings(QSettings &settings) | |
293 | { | |
39ab01e7 SA |
294 | // Note: It is assumed that this function is only called once, |
295 | // immediately after restoring a previous session. | |
296 | ||
3a21afa6 SA |
297 | if (settings.contains("scale")) |
298 | set_scale(settings.value("scale").toDouble()); | |
299 | ||
300 | if (settings.contains("offset")) { | |
301 | util::Timestamp offset; | |
6f925ba9 | 302 | stringstream ss; |
3a21afa6 SA |
303 | ss << settings.value("offset").toString().toStdString(); |
304 | ||
305 | boost::archive::text_iarchive ia(ss); | |
306 | ia >> boost::serialization::make_nvp("offset", offset); | |
307 | ||
308 | set_offset(offset); | |
309 | } | |
310 | ||
f4e57597 | 311 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
312 | settings.beginGroup(signal->base()->internal_name()); |
313 | signal->restore_settings(settings); | |
314 | settings.endGroup(); | |
315 | } | |
39ab01e7 SA |
316 | |
317 | if (settings.contains("v_offset")) { | |
318 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
319 | set_v_offset(saved_v_offset_); | |
e62bee73 | 320 | scroll_needs_defaults_ = false; |
5f9b7de5 | 321 | // Note: see eventFilter() for additional information |
39ab01e7 | 322 | } |
3a21afa6 SA |
323 | } |
324 | ||
2496bf45 JH |
325 | vector< shared_ptr<TimeItem> > View::time_items() const |
326 | { | |
8914fe79 JH |
327 | const vector<shared_ptr<Flag>> f(flags()); |
328 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 329 | items.push_back(cursors_); |
5c5ce757 JH |
330 | items.push_back(cursors_->first()); |
331 | items.push_back(cursors_->second()); | |
1a2288a1 | 332 | |
92ff2b60 TS |
333 | for (auto trigger_marker : trigger_markers_) |
334 | items.push_back(trigger_marker); | |
1a2288a1 | 335 | |
2496bf45 JH |
336 | return items; |
337 | } | |
338 | ||
cdf7bea7 | 339 | double View::scale() const |
adb4b10c | 340 | { |
8dbbc7f0 | 341 | return scale_; |
adb4b10c JH |
342 | } |
343 | ||
4b0af0b6 JS |
344 | void View::set_scale(double scale) |
345 | { | |
346 | if (scale_ != scale) { | |
347 | scale_ = scale; | |
348 | Q_EMIT scale_changed(); | |
349 | } | |
350 | } | |
351 | ||
60d9b99a | 352 | const Timestamp& View::offset() const |
adb4b10c | 353 | { |
8dbbc7f0 | 354 | return offset_; |
adb4b10c JH |
355 | } |
356 | ||
4b0af0b6 JS |
357 | void View::set_offset(const pv::util::Timestamp& offset) |
358 | { | |
359 | if (offset_ != offset) { | |
360 | offset_ = offset; | |
361 | Q_EMIT offset_changed(); | |
362 | } | |
363 | } | |
364 | ||
7ff0145f | 365 | int View::owner_visual_v_offset() const |
adb4b10c | 366 | { |
f4e57597 | 367 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
368 | } |
369 | ||
4d476647 JH |
370 | void View::set_v_offset(int offset) |
371 | { | |
f4e57597 | 372 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
373 | header_->update(); |
374 | viewport_->update(); | |
375 | } | |
376 | ||
3e769a37 JH |
377 | unsigned int View::depth() const |
378 | { | |
379 | return 0; | |
380 | } | |
381 | ||
d001f416 | 382 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
383 | { |
384 | return tick_prefix_; | |
385 | } | |
386 | ||
4b0af0b6 JS |
387 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
388 | { | |
389 | if (tick_prefix_ != tick_prefix) { | |
390 | tick_prefix_ = tick_prefix; | |
391 | Q_EMIT tick_prefix_changed(); | |
392 | } | |
393 | } | |
394 | ||
d40f4db7 SA |
395 | unsigned int View::tick_precision() const |
396 | { | |
397 | return tick_precision_; | |
398 | } | |
399 | ||
4b0af0b6 JS |
400 | void View::set_tick_precision(unsigned tick_precision) |
401 | { | |
402 | if (tick_precision_ != tick_precision) { | |
403 | tick_precision_ = tick_precision; | |
404 | Q_EMIT tick_precision_changed(); | |
405 | } | |
406 | } | |
407 | ||
c677193d | 408 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
409 | { |
410 | return tick_period_; | |
411 | } | |
412 | ||
c677193d | 413 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
414 | { |
415 | if (tick_period_ != tick_period) { | |
416 | tick_period_ = tick_period; | |
417 | Q_EMIT tick_period_changed(); | |
418 | } | |
419 | } | |
420 | ||
ef454ad5 SA |
421 | TimeUnit View::time_unit() const |
422 | { | |
423 | return time_unit_; | |
424 | } | |
425 | ||
4b0af0b6 JS |
426 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
427 | { | |
428 | if (time_unit_ != time_unit) { | |
429 | time_unit_ = time_unit; | |
430 | Q_EMIT time_unit_changed(); | |
431 | } | |
432 | } | |
433 | ||
cdf7bea7 | 434 | void View::zoom(double steps) |
adb4b10c | 435 | { |
8dbbc7f0 | 436 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
437 | } |
438 | ||
17c0f398 JH |
439 | void View::zoom(double steps, int offset) |
440 | { | |
c063290a | 441 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
442 | } |
443 | ||
ce11b2ea | 444 | void View::zoom_fit(bool gui_state) |
ca46b534 | 445 | { |
ce11b2ea SA |
446 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
447 | if (session_.get_capture_state() == Session::Stopped) { | |
448 | always_zoom_to_fit_ = false; | |
449 | always_zoom_to_fit_changed(false); | |
450 | } else { | |
451 | always_zoom_to_fit_ = gui_state; | |
452 | always_zoom_to_fit_changed(gui_state); | |
453 | } | |
454 | ||
60d9b99a JS |
455 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
456 | const Timestamp delta = extents.second - extents.first; | |
457 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
458 | return; |
459 | ||
8dbbc7f0 JH |
460 | assert(viewport_); |
461 | const int w = viewport_->width(); | |
ca46b534 JH |
462 | if (w <= 0) |
463 | return; | |
464 | ||
60d9b99a JS |
465 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
466 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
467 | } |
468 | ||
d1e7d82c JH |
469 | void View::zoom_one_to_one() |
470 | { | |
471 | using pv::data::SignalData; | |
472 | ||
d1e7d82c | 473 | // Make a set of all the visible data objects |
0fc664a9 | 474 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
475 | if (visible_data.empty()) |
476 | return; | |
477 | ||
8dbbc7f0 JH |
478 | assert(viewport_); |
479 | const int w = viewport_->width(); | |
d1e7d82c JH |
480 | if (w <= 0) |
481 | return; | |
482 | ||
2220e942 | 483 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
484 | } |
485 | ||
60d9b99a | 486 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 487 | { |
ce11b2ea SA |
488 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
489 | // and user drags the viewport | |
c7b03d9d | 490 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
491 | (session_.get_capture_state() == Session::Running)) { |
492 | ||
493 | if (sticky_scrolling_) { | |
494 | sticky_scrolling_ = false; | |
495 | sticky_scrolling_changed(false); | |
496 | } | |
497 | ||
498 | if (always_zoom_to_fit_) { | |
499 | always_zoom_to_fit_ = false; | |
500 | always_zoom_to_fit_changed(false); | |
501 | } | |
c7b03d9d SA |
502 | } |
503 | ||
4b0af0b6 JS |
504 | set_scale(scale); |
505 | set_offset(offset); | |
ccdd3ef5 | 506 | |
361c560e JH |
507 | calculate_tick_spacing(); |
508 | ||
adb4b10c | 509 | update_scroll(); |
8dbbc7f0 | 510 | ruler_->update(); |
8dbbc7f0 | 511 | viewport_->update(); |
adb4b10c JH |
512 | } |
513 | ||
1bc6525b JH |
514 | set< shared_ptr<SignalData> > View::get_visible_data() const |
515 | { | |
1bc6525b JH |
516 | // Make a set of all the visible data objects |
517 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 518 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
519 | if (sig->enabled()) |
520 | visible_data.insert(sig->data()); | |
521 | ||
522 | return visible_data; | |
523 | } | |
524 | ||
60d9b99a | 525 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 526 | { |
60d9b99a | 527 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 528 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 529 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 530 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 531 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
532 | double samplerate = s->samplerate(); |
533 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
534 | ||
60d9b99a JS |
535 | const Timestamp start_time = s->start_time(); |
536 | left_time = left_time ? | |
537 | min(*left_time, start_time) : | |
538 | start_time; | |
539 | right_time = right_time ? | |
540 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
541 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 542 | } |
1bc6525b JH |
543 | } |
544 | ||
60d9b99a JS |
545 | if (!left_time || !right_time) |
546 | return make_pair(0, 0); | |
7f4038d6 | 547 | |
60d9b99a JS |
548 | assert(*left_time < *right_time); |
549 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
550 | } |
551 | ||
051ba3b3 UH |
552 | void View::enable_show_sampling_points(bool state) |
553 | { | |
554 | (void)state; | |
555 | ||
556 | viewport_->update(); | |
557 | } | |
558 | ||
8ad61f40 UH |
559 | void View::enable_show_analog_minor_grid(bool state) |
560 | { | |
561 | (void)state; | |
562 | ||
563 | viewport_->update(); | |
564 | } | |
565 | ||
574c568d SA |
566 | void View::enable_coloured_bg(bool state) |
567 | { | |
48995388 | 568 | coloured_bg_ = state; |
574c568d SA |
569 | viewport_->update(); |
570 | } | |
571 | ||
48995388 JH |
572 | bool View::coloured_bg() const |
573 | { | |
574 | return coloured_bg_; | |
575 | } | |
576 | ||
f76af637 JH |
577 | bool View::cursors_shown() const |
578 | { | |
8dbbc7f0 | 579 | return show_cursors_; |
f76af637 JH |
580 | } |
581 | ||
582 | void View::show_cursors(bool show) | |
583 | { | |
8dbbc7f0 | 584 | show_cursors_ = show; |
819e2e95 | 585 | ruler_->update(); |
8dbbc7f0 | 586 | viewport_->update(); |
f76af637 JH |
587 | } |
588 | ||
b4d91e56 JH |
589 | void View::centre_cursors() |
590 | { | |
8dbbc7f0 | 591 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
592 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
593 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 594 | ruler_->update(); |
8dbbc7f0 | 595 | viewport_->update(); |
b4d91e56 JH |
596 | } |
597 | ||
6f925ba9 | 598 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 599 | { |
8dbbc7f0 | 600 | return cursors_; |
58864c5c JH |
601 | } |
602 | ||
60d9b99a | 603 | void View::add_flag(const Timestamp& time) |
8914fe79 | 604 | { |
067bb624 UH |
605 | flags_.push_back(make_shared<Flag>(*this, time, |
606 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 607 | |
8914fe79 JH |
608 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
609 | (next_flag_text_ + 1); | |
48257a69 | 610 | |
8914fe79 JH |
611 | time_item_appearance_changed(true, true); |
612 | } | |
613 | ||
6f925ba9 | 614 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
615 | { |
616 | flags_.remove(flag); | |
617 | time_item_appearance_changed(true, true); | |
618 | } | |
619 | ||
6f925ba9 | 620 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 621 | { |
6f925ba9 | 622 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
623 | stable_sort(flags.begin(), flags.end(), |
624 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
625 | return a->time() < b->time(); | |
626 | }); | |
627 | ||
628 | return flags; | |
629 | } | |
630 | ||
cbd80f64 JH |
631 | const QPoint& View::hover_point() const |
632 | { | |
8dbbc7f0 | 633 | return hover_point_; |
cbd80f64 JH |
634 | } |
635 | ||
af503b10 | 636 | void View::restack_all_trace_tree_items() |
7ff0145f | 637 | { |
873cbed0 | 638 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
639 | const vector<shared_ptr<TraceTreeItem>> items( |
640 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 641 | set< TraceTreeItemOwner* > owners; |
cc88566c | 642 | for (const auto &r : items) |
4800cf9a | 643 | owners.insert(r->owner()); |
af503b10 | 644 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 645 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 646 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
647 | return a->depth() > b->depth(); }); |
648 | ||
649 | // Restack the items recursively | |
650 | for (auto &o : sorted_owners) | |
651 | o->restack_items(); | |
652 | ||
653 | // Animate the items to their destination | |
cef5997e JH |
654 | for (const auto &i : items) |
655 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
656 | } |
657 | ||
48257a69 SA |
658 | void View::trigger_event(util::Timestamp location) |
659 | { | |
067bb624 | 660 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
661 | } |
662 | ||
60d9b99a | 663 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 664 | { |
60d9b99a JS |
665 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
666 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 667 | offset = offset_ / scale_; |
f25770e2 JH |
668 | } |
669 | ||
d1e7d82c JH |
670 | void View::set_zoom(double scale, int offset) |
671 | { | |
ce11b2ea SA |
672 | // Reset the "always zoom to fit" feature as the user changed the zoom |
673 | always_zoom_to_fit_ = false; | |
674 | always_zoom_to_fit_changed(false); | |
675 | ||
60d9b99a JS |
676 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
677 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
678 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
679 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
680 | } |
681 | ||
361c560e JH |
682 | void View::calculate_tick_spacing() |
683 | { | |
8a1bc087 | 684 | const double SpacingIncrement = 10.0f; |
8a463dbc | 685 | const double MinValueSpacing = 40.0f; |
361c560e | 686 | |
1e124d4b SA |
687 | // Figure out the highest numeric value visible on a label |
688 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 689 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
690 | fabs(offset_ + scale_ * areaSize.width())); |
691 | ||
d40f4db7 SA |
692 | double min_width = SpacingIncrement; |
693 | double label_width, tick_period_width; | |
361c560e JH |
694 | |
695 | QFontMetrics m(QApplication::font()); | |
696 | ||
adb3831e JS |
697 | // Copies of the member variables with the same name, used in the calculation |
698 | // and written back afterwards, so that we don't emit signals all the time | |
699 | // during the calculation. | |
700 | pv::util::Timestamp tick_period = tick_period_; | |
701 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
702 | unsigned tick_precision = tick_precision_; | |
703 | ||
361c560e JH |
704 | do { |
705 | const double min_period = scale_ * min_width; | |
706 | ||
707 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
708 | const pv::util::Timestamp order_decimal = |
709 | pow(pv::util::Timestamp(10), order); | |
361c560e | 710 | |
8a1bc087 SA |
711 | // Allow for a margin of error so that a scale unit of 1 can be used. |
712 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
713 | // the min_period by a small amount - and thus skipped in favor of 2. | |
714 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
715 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
716 | double tp_with_margin; | |
361c560e JH |
717 | unsigned int unit = 0; |
718 | ||
719 | do { | |
c677193d JS |
720 | tp_with_margin = order_decimal.convert_to<double>() * |
721 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 722 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 723 | |
adb3831e JS |
724 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
725 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
726 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 727 | |
d40f4db7 SA |
728 | // Precision is the number of fractional digits required, not |
729 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 730 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 731 | |
adb3831e | 732 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 733 | |
3ccf0f7f JS |
734 | const QString label_text = Ruler::format_time_with_distance( |
735 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
736 | |
737 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
738 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
739 | MinValueSpacing; |
740 | ||
741 | min_width += SpacingIncrement; | |
d40f4db7 | 742 | } while (tick_period_width < label_width); |
adb3831e JS |
743 | |
744 | set_tick_period(tick_period); | |
745 | set_tick_prefix(tick_prefix); | |
746 | set_tick_precision(tick_precision); | |
361c560e JH |
747 | } |
748 | ||
8a5fd81f SA |
749 | void View::adjust_top_margin() |
750 | { | |
751 | assert(viewport_); | |
752 | ||
753 | const QSize areaSize = viewport_->size(); | |
754 | ||
755 | const pair<int, int> extents = v_extents(); | |
756 | const int top_margin = owner_visual_v_offset() + extents.first; | |
757 | const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second; | |
758 | ||
759 | // Do we have empty space at the top while the last trace goes out of screen? | |
760 | if ((top_margin > 0) && (trace_bottom > areaSize.height())) { | |
761 | const int trace_height = extents.second - extents.first; | |
762 | ||
763 | // Center everything vertically if there is enough space | |
764 | if (areaSize.height() >= trace_height) | |
765 | set_v_offset(extents.first - | |
766 | ((areaSize.height() - trace_height) / 2)); | |
767 | else | |
768 | // Remove the top margin to make as many traces fit on screen as possible | |
769 | set_v_offset(extents.first); | |
770 | } | |
771 | } | |
772 | ||
cdf7bea7 | 773 | void View::update_scroll() |
adb4b10c | 774 | { |
8dbbc7f0 | 775 | assert(viewport_); |
f4e57597 SA |
776 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
777 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 778 | |
8dbbc7f0 | 779 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
780 | |
781 | // Set the horizontal scroll bar | |
60d9b99a JS |
782 | double length = 0; |
783 | Timestamp offset; | |
f25770e2 JH |
784 | get_scroll_layout(length, offset); |
785 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 786 | |
c677193d | 787 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 788 | |
f4e57597 SA |
789 | hscrollbar->setPageStep(areaSize.width() / 2); |
790 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 791 | |
8dbbc7f0 | 792 | updating_scroll_ = true; |
528bd8a1 | 793 | |
333d5bbc | 794 | if (length < MaxScrollValue) { |
f4e57597 SA |
795 | hscrollbar->setRange(0, length); |
796 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 797 | } else { |
f4e57597 SA |
798 | hscrollbar->setRange(0, MaxScrollValue); |
799 | hscrollbar->setSliderPosition( | |
60d9b99a | 800 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 801 | } |
adb4b10c | 802 | |
8dbbc7f0 | 803 | updating_scroll_ = false; |
528bd8a1 | 804 | |
adb4b10c | 805 | // Set the vertical scrollbar |
f4e57597 SA |
806 | vscrollbar->setPageStep(areaSize.height()); |
807 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
808 | |
809 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
810 | |
811 | // Don't change the scrollbar range if there are no traces | |
812 | if (extents.first != extents.second) | |
f4e57597 | 813 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
814 | extents.second); |
815 | ||
e62bee73 | 816 | if (scroll_needs_defaults_) |
925763b0 SA |
817 | set_scroll_default(); |
818 | } | |
819 | ||
820 | void View::reset_scroll() | |
821 | { | |
f4e57597 | 822 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
823 | } |
824 | ||
825 | void View::set_scroll_default() | |
826 | { | |
827 | assert(viewport_); | |
828 | ||
829 | const QSize areaSize = viewport_->size(); | |
830 | ||
925763b0 SA |
831 | const pair<int, int> extents = v_extents(); |
832 | const int trace_height = extents.second - extents.first; | |
833 | ||
834 | // Do all traces fit in the view? | |
835 | if (areaSize.height() >= trace_height) | |
836 | // Center all traces vertically | |
837 | set_v_offset(extents.first - | |
838 | ((areaSize.height() - trace_height) / 2)); | |
839 | else | |
840 | // Put the first trace at the top, letting the bottom ones overflow | |
841 | set_v_offset(extents.first); | |
adb4b10c JH |
842 | } |
843 | ||
d7c0ca4a JH |
844 | void View::update_layout() |
845 | { | |
f4e57597 SA |
846 | scrollarea_.setViewportMargins( |
847 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
848 | ruler_->sizeHint().height(), 0, 0); |
849 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 850 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 851 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 852 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
853 | update_scroll(); |
854 | } | |
855 | ||
af503b10 | 856 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 857 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 858 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 859 | &signal_map) |
448a72cf | 860 | { |
cf124e47 | 861 | assert(group); |
448a72cf | 862 | |
af503b10 JH |
863 | unordered_set<TraceTreeItemOwner*> owners; |
864 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 865 | |
cf124e47 JH |
866 | // Make a set and a list of all the owners |
867 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
868 | for (auto entry : signal_map) { |
869 | if (entry.first->channel() == channel) { | |
870 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
871 | owner_list.push_back(o); | |
872 | owners.insert(o); | |
873 | } | |
874 | } | |
cf124e47 | 875 | } |
448a72cf | 876 | |
cf124e47 JH |
877 | // Iterate through the list of owners, and find the most prevalent |
878 | size_t max_prevalence = 0; | |
af503b10 JH |
879 | TraceTreeItemOwner *prevalent_owner = nullptr; |
880 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 881 | const size_t prevalence = count_if( |
cf124e47 | 882 | owner_list.begin(), owner_list.end(), |
af503b10 | 883 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
884 | if (prevalence > max_prevalence) { |
885 | max_prevalence = prevalence; | |
886 | prevalent_owner = owner; | |
887 | } | |
448a72cf JH |
888 | } |
889 | ||
cf124e47 | 890 | return prevalent_owner; |
448a72cf JH |
891 | } |
892 | ||
cf124e47 JH |
893 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
894 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 895 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
896 | &signal_map, |
897 | set< shared_ptr<Trace> > &add_list) | |
898 | { | |
899 | vector< shared_ptr<Trace> > filtered_traces; | |
900 | ||
2ad82c2e | 901 | for (const auto &channel : channels) { |
bf0edd2b SA |
902 | for (auto entry : signal_map) { |
903 | if (entry.first->channel() == channel) { | |
904 | shared_ptr<Trace> trace = entry.second; | |
905 | const auto list_iter = add_list.find(trace); | |
906 | if (list_iter == add_list.end()) | |
907 | continue; | |
908 | ||
909 | filtered_traces.push_back(trace); | |
910 | add_list.erase(list_iter); | |
911 | } | |
912 | } | |
cf124e47 JH |
913 | } |
914 | ||
915 | return filtered_traces; | |
448a72cf JH |
916 | } |
917 | ||
ef454ad5 SA |
918 | void View::determine_time_unit() |
919 | { | |
7ee199a7 | 920 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 921 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 922 | // Check all signals but... |
47e9e7bb | 923 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
924 | const shared_ptr<SignalData> data = signal->data(); |
925 | ||
926 | // ...only check first segment of each | |
927 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
928 | if (!segments.empty()) | |
929 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 930 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
931 | break; |
932 | } | |
933 | } | |
ef454ad5 SA |
934 | } |
935 | } | |
936 | ||
cbd80f64 JH |
937 | bool View::eventFilter(QObject *object, QEvent *event) |
938 | { | |
939 | const QEvent::Type type = event->type(); | |
333d5bbc | 940 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
941 | |
942 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
943 | if (object == viewport_) |
944 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 945 | else if (object == ruler_) |
8dbbc7f0 JH |
946 | hover_point_ = QPoint(mouse_event->x(), 0); |
947 | else if (object == header_) | |
948 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 949 | else |
8dbbc7f0 | 950 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
951 | |
952 | hover_point_changed(); | |
953 | ||
333d5bbc | 954 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 955 | hover_point_ = QPoint(-1, -1); |
cbd80f64 | 956 | hover_point_changed(); |
5f9b7de5 SA |
957 | } else if (type == QEvent::Show) { |
958 | ||
959 | // This is somewhat of a hack, unfortunately. We cannot use | |
960 | // set_v_offset() from within restore_settings() as the view | |
961 | // at that point is neither visible nor properly sized. | |
962 | // This is the least intrusive workaround I could come up | |
963 | // with: set the vertical offset (or scroll defaults) when | |
964 | // the view is shown, which happens after all widgets were | |
965 | // resized to their final sizes. | |
966 | update_layout(); | |
967 | ||
968 | if (scroll_needs_defaults_) { | |
969 | set_scroll_default(); | |
970 | scroll_needs_defaults_ = false; | |
971 | } | |
972 | ||
973 | if (saved_v_offset_) { | |
974 | set_v_offset(saved_v_offset_); | |
975 | saved_v_offset_ = 0; | |
976 | } | |
cbd80f64 JH |
977 | } |
978 | ||
979 | return QObject::eventFilter(object, event); | |
980 | } | |
981 | ||
8a5fd81f | 982 | void View::resizeEvent(QResizeEvent* event) |
adb4b10c | 983 | { |
8a5fd81f SA |
984 | // Only adjust the top margin if we shrunk vertically |
985 | if (event->size().height() < event->oldSize().height()) | |
986 | adjust_top_margin(); | |
987 | ||
d7c0ca4a | 988 | update_layout(); |
adb4b10c JH |
989 | } |
990 | ||
6e2c3c85 | 991 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
992 | { |
993 | if (label) | |
8dbbc7f0 | 994 | header_->update(); |
32218d3e | 995 | if (content) |
8dbbc7f0 | 996 | viewport_->update(); |
32218d3e JH |
997 | } |
998 | ||
98cfe4e8 JH |
999 | void View::time_item_appearance_changed(bool label, bool content) |
1000 | { | |
1001 | if (label) | |
819e2e95 | 1002 | ruler_->update(); |
98cfe4e8 JH |
1003 | if (content) |
1004 | viewport_->update(); | |
1005 | } | |
1006 | ||
32218d3e JH |
1007 | void View::extents_changed(bool horz, bool vert) |
1008 | { | |
8dbbc7f0 | 1009 | sticky_events_ |= |
af503b10 JH |
1010 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1011 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 1012 | |
8dbbc7f0 | 1013 | lazy_event_handler_.start(); |
32218d3e JH |
1014 | } |
1015 | ||
b16907d3 | 1016 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1017 | { |
8dbbc7f0 | 1018 | if (updating_scroll_) |
528bd8a1 JH |
1019 | return; |
1020 | ||
c7b03d9d SA |
1021 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1022 | // during a running acquisition | |
1023 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1024 | sticky_scrolling_ = false; | |
1025 | sticky_scrolling_changed(false); | |
1026 | } | |
1027 | ||
f4e57597 | 1028 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 1029 | if (range < MaxScrollValue) |
4b0af0b6 | 1030 | set_offset(scale_ * value); |
f25770e2 | 1031 | else { |
60d9b99a JS |
1032 | double length = 0; |
1033 | Timestamp offset; | |
f25770e2 | 1034 | get_scroll_layout(length, offset); |
4b0af0b6 | 1035 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1036 | } |
1037 | ||
8dbbc7f0 | 1038 | ruler_->update(); |
8dbbc7f0 | 1039 | viewport_->update(); |
adb4b10c JH |
1040 | } |
1041 | ||
f8400017 | 1042 | void View::v_scroll_value_changed() |
adb4b10c | 1043 | { |
8dbbc7f0 JH |
1044 | header_->update(); |
1045 | viewport_->update(); | |
adb4b10c JH |
1046 | } |
1047 | ||
69dd2b03 JH |
1048 | void View::signals_changed() |
1049 | { | |
769a79b5 JH |
1050 | using sigrok::Channel; |
1051 | ||
925763b0 SA |
1052 | vector< shared_ptr<Channel> > channels; |
1053 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1054 | |
925763b0 SA |
1055 | // Do we need to set the vertical scrollbar to its default position later? |
1056 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1057 | bool reset_scrollbar = | |
f4e57597 SA |
1058 | (scrollarea_.verticalScrollBar()->minimum() == |
1059 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1060 | |
1061 | if (!session_.device()) { | |
1062 | reset_scroll(); | |
47e9e7bb | 1063 | signals_.clear(); |
925763b0 | 1064 | } else { |
925763b0 | 1065 | sr_dev = session_.device()->device(); |
3b353d67 | 1066 | assert(sr_dev); |
925763b0 SA |
1067 | channels = sr_dev->channels(); |
1068 | } | |
e37e05f7 | 1069 | |
925763b0 | 1070 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1071 | |
cf124e47 JH |
1072 | // Make a list of traces that are being added, and a list of traces |
1073 | // that are being removed | |
364d2155 JH |
1074 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1075 | const set<shared_ptr<Trace>> prev_traces( | |
1076 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1077 | |
47e9e7bb | 1078 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1079 | |
1080 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1081 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1082 | #endif |
1083 | ||
1084 | set< shared_ptr<Trace> > add_traces; | |
1085 | set_difference(traces.begin(), traces.end(), | |
1086 | prev_traces.begin(), prev_traces.end(), | |
1087 | inserter(add_traces, add_traces.begin())); | |
1088 | ||
1089 | set< shared_ptr<Trace> > remove_traces; | |
1090 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1091 | traces.begin(), traces.end(), | |
1092 | inserter(remove_traces, remove_traces.begin())); | |
1093 | ||
1094 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1095 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1096 | signal_map; |
47e9e7bb | 1097 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1098 | signal_map[sig->base()] = sig; |
448a72cf JH |
1099 | |
1100 | // Populate channel groups | |
925763b0 SA |
1101 | if (sr_dev) |
1102 | for (auto entry : sr_dev->channel_groups()) { | |
1103 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1104 | ||
1105 | if (group->channels().size() <= 1) | |
1106 | continue; | |
1107 | ||
1108 | // Find best trace group to add to | |
1109 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1110 | group, signal_map); | |
1111 | ||
1112 | // If there is no trace group, create one | |
1113 | shared_ptr<TraceGroup> new_trace_group; | |
1114 | if (!owner) { | |
1115 | new_trace_group.reset(new TraceGroup()); | |
1116 | owner = new_trace_group.get(); | |
1117 | } | |
1118 | ||
1119 | // Extract traces for the trace group, removing them from | |
1120 | // the add list | |
1121 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1122 | extract_new_traces_for_channels(group->channels(), | |
1123 | signal_map, add_traces); | |
1124 | ||
1125 | // Add the traces to the group | |
1126 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1127 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1128 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1129 | assert(trace); | |
1130 | owner->add_child_item(trace); | |
1131 | ||
1132 | const pair<int, int> extents = trace->v_extents(); | |
1133 | if (trace->enabled()) | |
1134 | offset += -extents.first; | |
1135 | trace->force_to_v_offset(offset); | |
1136 | if (trace->enabled()) | |
1137 | offset += extents.second; | |
1138 | } | |
1139 | ||
7d556523 SA |
1140 | if (new_trace_group) { |
1141 | // Assign proper vertical offsets to each channel in the group | |
1142 | new_trace_group->restack_items(); | |
1143 | ||
1144 | // If this is a new group, enqueue it in the new top level | |
1145 | // items list | |
1146 | if (!new_traces_in_group.empty()) | |
1147 | new_top_level_items.push_back(new_trace_group); | |
1148 | } | |
cf124e47 | 1149 | } |
68b21a71 | 1150 | |
769a79b5 JH |
1151 | // Enqueue the remaining logic channels in a group |
1152 | vector< shared_ptr<Channel> > logic_channels; | |
1153 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1154 | [](const shared_ptr<Channel>& c) { | |
1155 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1156 | |
769a79b5 | 1157 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1158 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1159 | ||
1160 | if (non_grouped_logic_signals.size() > 0) { | |
1161 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1162 | make_shared<TraceGroup>()); | |
1163 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1164 | non_grouped_trace_group->add_child_item(trace); | |
1165 | ||
1166 | non_grouped_trace_group->restack_items(); | |
1167 | new_top_level_items.push_back(non_grouped_trace_group); | |
1168 | } | |
769a79b5 | 1169 | |
cf124e47 JH |
1170 | // Enqueue the remaining channels as free ungrouped traces |
1171 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1172 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1173 | new_top_level_items.insert(new_top_level_items.end(), |
1174 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1175 | ||
1176 | // Enqueue any remaining traces i.e. decode traces | |
1177 | new_top_level_items.insert(new_top_level_items.end(), | |
1178 | add_traces.begin(), add_traces.end()); | |
1179 | ||
1180 | // Remove any removed traces | |
1181 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1182 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1183 | assert(owner); |
1184 | owner->remove_child_item(trace); | |
1185 | } | |
448a72cf | 1186 | |
bc72e51f SA |
1187 | // Remove any empty trace groups |
1188 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1189 | if (group->child_items().size() == 0) { |
bc72e51f | 1190 | remove_child_item(group); |
e28c998e SA |
1191 | group.reset(); |
1192 | } | |
bc72e51f | 1193 | |
cf124e47 | 1194 | // Add and position the pending top levels items |
6644424f | 1195 | int offset = v_extents().second; |
cf124e47 | 1196 | for (auto item : new_top_level_items) { |
8c09273b SA |
1197 | add_child_item(item); |
1198 | ||
d6128866 | 1199 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1200 | const pair<int, int> extents = item->v_extents(); |
1201 | ||
1202 | if (item->enabled()) | |
1203 | offset += -extents.first; | |
d6128866 | 1204 | |
d6128866 | 1205 | item->force_to_v_offset(offset); |
cf124e47 | 1206 | |
cf124e47 | 1207 | if (item->enabled()) |
8c09273b | 1208 | offset += extents.second; |
ef8311a4 JH |
1209 | } |
1210 | ||
a6c1726e | 1211 | update_layout(); |
cf124e47 JH |
1212 | |
1213 | header_->update(); | |
1214 | viewport_->update(); | |
925763b0 SA |
1215 | |
1216 | if (reset_scrollbar) | |
1217 | set_scroll_default(); | |
69dd2b03 JH |
1218 | } |
1219 | ||
7ee199a7 | 1220 | void View::capture_state_updated(int state) |
adb4b10c | 1221 | { |
92ff2b60 | 1222 | if (state == Session::Running) { |
4b0af0b6 | 1223 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1224 | |
92ff2b60 | 1225 | trigger_markers_.clear(); |
90472a51 | 1226 | |
820ce18a SA |
1227 | // Activate "always zoom to fit" if the setting is enabled and we're |
1228 | // the main view of this session (other trace views may be used for | |
1229 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1230 | GlobalSettings settings; |
1231 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1232 | if (is_main_view_ && state) { |
90472a51 SA |
1233 | always_zoom_to_fit_ = true; |
1234 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1235 | } | |
9b64f2df SA |
1236 | |
1237 | // Enable sticky scrolling if the setting is enabled | |
1238 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
92ff2b60 TS |
1239 | } |
1240 | ||
fd03a279 SA |
1241 | if (state == Session::Stopped) { |
1242 | // After acquisition has stopped we need to re-calculate the ticks once | |
1243 | // as it's otherwise done when the user pans or zooms, which is too late | |
1244 | calculate_tick_spacing(); | |
1245 | ||
1246 | // Reset "always zoom to fit", the acquisition has stopped | |
1247 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1248 | // Perform a final zoom-to-fit before disabling |
1249 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1250 | always_zoom_to_fit_ = false; |
90472a51 | 1251 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1252 | } |
1253 | } | |
7ee199a7 SA |
1254 | } |
1255 | ||
c7b03d9d SA |
1256 | void View::perform_delayed_view_update() |
1257 | { | |
3906e758 | 1258 | if (always_zoom_to_fit_) { |
ce11b2ea | 1259 | zoom_fit(true); |
3906e758 | 1260 | } else if (sticky_scrolling_) { |
c7b03d9d | 1261 | // Make right side of the view sticky |
60d9b99a JS |
1262 | double length = 0; |
1263 | Timestamp offset; | |
c7b03d9d SA |
1264 | get_scroll_layout(length, offset); |
1265 | ||
1266 | const QSize areaSize = viewport_->size(); | |
1267 | length = max(length - areaSize.width(), 0.0); | |
1268 | ||
4b0af0b6 | 1269 | set_offset(scale_ * length); |
c7b03d9d | 1270 | } |
adb4b10c | 1271 | |
ef454ad5 | 1272 | determine_time_unit(); |
c7b03d9d SA |
1273 | update_scroll(); |
1274 | ruler_->update(); | |
8dbbc7f0 | 1275 | viewport_->update(); |
adb4b10c | 1276 | } |
cdf7bea7 | 1277 | |
32218d3e | 1278 | void View::process_sticky_events() |
d7c0ca4a | 1279 | { |
af503b10 | 1280 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1281 | update_layout(); |
af503b10 JH |
1282 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1283 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1284 | update_scroll(); |
1285 | } | |
32218d3e JH |
1286 | |
1287 | // Clear the sticky events | |
8dbbc7f0 | 1288 | sticky_events_ = 0; |
d7c0ca4a JH |
1289 | } |
1290 | ||
33c62f44 JH |
1291 | void View::on_hover_point_changed() |
1292 | { | |
cc88566c JH |
1293 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1294 | list_by_type<TraceTreeItem>()); | |
1295 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1296 | r->hover_point_changed(); |
33c62f44 JH |
1297 | } |
1298 | ||
f4e57597 SA |
1299 | } // namespace TraceView |
1300 | } // namespace views | |
cdf7bea7 | 1301 | } // namespace pv |