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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 | 98 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 99 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 100 | |
361c560e JH |
101 | const int View::ScaleUnits[3] = {1, 2, 5}; |
102 | ||
f4e57597 SA |
103 | |
104 | CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : | |
105 | QAbstractScrollArea(parent) | |
106 | { | |
107 | } | |
108 | ||
109 | void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) | |
110 | { | |
111 | QAbstractScrollArea::setViewportMargins(left, top, right, bottom); | |
112 | } | |
113 | ||
114 | bool CustomAbstractScrollArea::viewportEvent(QEvent *event) | |
115 | { | |
116 | switch (event->type()) { | |
117 | case QEvent::Paint: | |
118 | case QEvent::MouseButtonPress: | |
119 | case QEvent::MouseButtonRelease: | |
120 | case QEvent::MouseButtonDblClick: | |
121 | case QEvent::MouseMove: | |
122 | case QEvent::Wheel: | |
123 | case QEvent::TouchBegin: | |
124 | case QEvent::TouchUpdate: | |
125 | case QEvent::TouchEnd: | |
126 | return false; | |
127 | default: | |
128 | return QAbstractScrollArea::viewportEvent(event); | |
129 | } | |
130 | } | |
131 | ||
143d322d SA |
132 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
133 | ViewBase(session, is_main_view, parent), | |
8dbbc7f0 JH |
134 | viewport_(new Viewport(*this)), |
135 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 136 | header_(new Header(*this)), |
f4e57597 | 137 | scrollarea_(this), |
c0100b55 | 138 | scale_(1e-3), |
8dbbc7f0 | 139 | offset_(0), |
8dbbc7f0 | 140 | updating_scroll_(false), |
c7b03d9d | 141 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 142 | always_zoom_to_fit_(false), |
c677193d | 143 | tick_period_(0), |
d001f416 | 144 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 145 | tick_precision_(0), |
d001f416 | 146 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 147 | show_cursors_(false), |
5c5ce757 | 148 | cursors_(new CursorPair(*this)), |
8914fe79 | 149 | next_flag_text_('A'), |
92ff2b60 | 150 | trigger_markers_(), |
f4203850 | 151 | hover_point_(-1, -1), |
e62bee73 | 152 | scroll_needs_defaults_(false), |
ae5f6628 SA |
153 | saved_v_offset_(0), |
154 | size_finalized_(false) | |
adb4b10c | 155 | { |
24c29d4f SA |
156 | GlobalSettings settings; |
157 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
158 | ||
f4e57597 | 159 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 160 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 161 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 162 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 163 | |
8dbbc7f0 | 164 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
165 | ruler_, SLOT(clear_selection())); |
166 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 167 | header_, SLOT(clear_selection())); |
17348f85 | 168 | |
8dbbc7f0 | 169 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 170 | this, SIGNAL(selection_changed())); |
819e2e95 | 171 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
172 | this, SIGNAL(selection_changed())); |
173 | ||
33c62f44 JH |
174 | connect(this, SIGNAL(hover_point_changed()), |
175 | this, SLOT(on_hover_point_changed())); | |
176 | ||
8dbbc7f0 | 177 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 178 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 179 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 180 | |
c7b03d9d SA |
181 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
182 | this, SLOT(perform_delayed_view_update())); | |
183 | delayed_view_updater_.setSingleShot(true); | |
184 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
185 | ||
f4e57597 SA |
186 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
187 | QHBoxLayout *layout = new QHBoxLayout(this); | |
188 | setLayout(layout); | |
189 | layout->setContentsMargins(0, 0, 0, 0); | |
190 | layout->addWidget(&scrollarea_); | |
191 | ||
192 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 193 | |
8dbbc7f0 JH |
194 | viewport_->installEventFilter(this); |
195 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 196 | header_->installEventFilter(this); |
d873f4d6 | 197 | |
9f46d905 JH |
198 | // Trigger the initial event manually. The default device has signals |
199 | // which were created before this object came into being | |
d873f4d6 | 200 | signals_changed(); |
84a0d458 | 201 | |
512bfc56 | 202 | // make sure the transparent widgets are on the top |
819e2e95 | 203 | ruler_->raise(); |
8dbbc7f0 | 204 | header_->raise(); |
361c560e JH |
205 | |
206 | // Update the zoom state | |
207 | calculate_tick_spacing(); | |
adb4b10c JH |
208 | } |
209 | ||
2b81ae46 | 210 | Session& View::session() |
1d19ef83 | 211 | { |
8dbbc7f0 | 212 | return session_; |
1d19ef83 JH |
213 | } |
214 | ||
2b81ae46 | 215 | const Session& View::session() const |
38eeddea | 216 | { |
8dbbc7f0 | 217 | return session_; |
38eeddea JH |
218 | } |
219 | ||
6f925ba9 | 220 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
221 | { |
222 | return signals_; | |
223 | } | |
224 | ||
225 | void View::clear_signals() | |
226 | { | |
227 | signals_.clear(); | |
228 | } | |
229 | ||
f4e57597 | 230 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb SA |
231 | { |
232 | signals_.insert(signal); | |
233 | } | |
234 | ||
bb7dd726 | 235 | #ifdef ENABLE_DECODE |
f4e57597 | 236 | void View::clear_decode_signals() |
bb7dd726 SA |
237 | { |
238 | decode_traces_.clear(); | |
239 | } | |
240 | ||
f4e57597 | 241 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 242 | { |
f4e57597 SA |
243 | shared_ptr<DecodeTrace> d( |
244 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
245 | decode_traces_.push_back(d); |
246 | } | |
247 | ||
f4e57597 | 248 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
249 | { |
250 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
251 | if ((*i)->base() == signalbase) { | |
252 | decode_traces_.erase(i); | |
253 | signals_changed(); | |
254 | return; | |
255 | } | |
256 | } | |
257 | #endif | |
258 | ||
eae6e30a JH |
259 | View* View::view() |
260 | { | |
261 | return this; | |
262 | } | |
263 | ||
264 | const View* View::view() const | |
265 | { | |
266 | return this; | |
267 | } | |
268 | ||
2ae445ba SA |
269 | Viewport* View::viewport() |
270 | { | |
8dbbc7f0 | 271 | return viewport_; |
2ae445ba SA |
272 | } |
273 | ||
274 | const Viewport* View::viewport() const | |
275 | { | |
8dbbc7f0 | 276 | return viewport_; |
2ae445ba SA |
277 | } |
278 | ||
3a21afa6 SA |
279 | void View::save_settings(QSettings &settings) const |
280 | { | |
281 | settings.setValue("scale", scale_); | |
39ab01e7 SA |
282 | settings.setValue("v_offset", |
283 | scrollarea_.verticalScrollBar()->sliderPosition()); | |
3a21afa6 | 284 | |
6f925ba9 | 285 | stringstream ss; |
3a21afa6 SA |
286 | boost::archive::text_oarchive oa(ss); |
287 | oa << boost::serialization::make_nvp("offset", offset_); | |
288 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
289 | ||
f4e57597 | 290 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
291 | settings.beginGroup(signal->base()->internal_name()); |
292 | signal->save_settings(settings); | |
293 | settings.endGroup(); | |
294 | } | |
295 | } | |
296 | ||
297 | void View::restore_settings(QSettings &settings) | |
298 | { | |
39ab01e7 SA |
299 | // Note: It is assumed that this function is only called once, |
300 | // immediately after restoring a previous session. | |
301 | ||
3a21afa6 SA |
302 | if (settings.contains("scale")) |
303 | set_scale(settings.value("scale").toDouble()); | |
304 | ||
305 | if (settings.contains("offset")) { | |
306 | util::Timestamp offset; | |
6f925ba9 | 307 | stringstream ss; |
3a21afa6 SA |
308 | ss << settings.value("offset").toString().toStdString(); |
309 | ||
310 | boost::archive::text_iarchive ia(ss); | |
311 | ia >> boost::serialization::make_nvp("offset", offset); | |
312 | ||
313 | set_offset(offset); | |
314 | } | |
315 | ||
f4e57597 | 316 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
317 | settings.beginGroup(signal->base()->internal_name()); |
318 | signal->restore_settings(settings); | |
319 | settings.endGroup(); | |
320 | } | |
39ab01e7 SA |
321 | |
322 | if (settings.contains("v_offset")) { | |
323 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
324 | set_v_offset(saved_v_offset_); | |
e62bee73 | 325 | scroll_needs_defaults_ = false; |
39ab01e7 SA |
326 | // Note: see resizeEvent() for additional information |
327 | } | |
3a21afa6 SA |
328 | } |
329 | ||
2496bf45 JH |
330 | vector< shared_ptr<TimeItem> > View::time_items() const |
331 | { | |
8914fe79 JH |
332 | const vector<shared_ptr<Flag>> f(flags()); |
333 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 334 | items.push_back(cursors_); |
5c5ce757 JH |
335 | items.push_back(cursors_->first()); |
336 | items.push_back(cursors_->second()); | |
1a2288a1 | 337 | |
92ff2b60 TS |
338 | for (auto trigger_marker : trigger_markers_) |
339 | items.push_back(trigger_marker); | |
1a2288a1 | 340 | |
2496bf45 JH |
341 | return items; |
342 | } | |
343 | ||
cdf7bea7 | 344 | double View::scale() const |
adb4b10c | 345 | { |
8dbbc7f0 | 346 | return scale_; |
adb4b10c JH |
347 | } |
348 | ||
4b0af0b6 JS |
349 | void View::set_scale(double scale) |
350 | { | |
351 | if (scale_ != scale) { | |
352 | scale_ = scale; | |
353 | Q_EMIT scale_changed(); | |
354 | } | |
355 | } | |
356 | ||
60d9b99a | 357 | const Timestamp& View::offset() const |
adb4b10c | 358 | { |
8dbbc7f0 | 359 | return offset_; |
adb4b10c JH |
360 | } |
361 | ||
4b0af0b6 JS |
362 | void View::set_offset(const pv::util::Timestamp& offset) |
363 | { | |
364 | if (offset_ != offset) { | |
365 | offset_ = offset; | |
366 | Q_EMIT offset_changed(); | |
367 | } | |
368 | } | |
369 | ||
7ff0145f | 370 | int View::owner_visual_v_offset() const |
adb4b10c | 371 | { |
f4e57597 | 372 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
373 | } |
374 | ||
4d476647 JH |
375 | void View::set_v_offset(int offset) |
376 | { | |
f4e57597 | 377 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
378 | header_->update(); |
379 | viewport_->update(); | |
380 | } | |
381 | ||
3e769a37 JH |
382 | unsigned int View::depth() const |
383 | { | |
384 | return 0; | |
385 | } | |
386 | ||
d001f416 | 387 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
388 | { |
389 | return tick_prefix_; | |
390 | } | |
391 | ||
4b0af0b6 JS |
392 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
393 | { | |
394 | if (tick_prefix_ != tick_prefix) { | |
395 | tick_prefix_ = tick_prefix; | |
396 | Q_EMIT tick_prefix_changed(); | |
397 | } | |
398 | } | |
399 | ||
d40f4db7 SA |
400 | unsigned int View::tick_precision() const |
401 | { | |
402 | return tick_precision_; | |
403 | } | |
404 | ||
4b0af0b6 JS |
405 | void View::set_tick_precision(unsigned tick_precision) |
406 | { | |
407 | if (tick_precision_ != tick_precision) { | |
408 | tick_precision_ = tick_precision; | |
409 | Q_EMIT tick_precision_changed(); | |
410 | } | |
411 | } | |
412 | ||
c677193d | 413 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
414 | { |
415 | return tick_period_; | |
416 | } | |
417 | ||
c677193d | 418 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
419 | { |
420 | if (tick_period_ != tick_period) { | |
421 | tick_period_ = tick_period; | |
422 | Q_EMIT tick_period_changed(); | |
423 | } | |
424 | } | |
425 | ||
ef454ad5 SA |
426 | TimeUnit View::time_unit() const |
427 | { | |
428 | return time_unit_; | |
429 | } | |
430 | ||
4b0af0b6 JS |
431 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
432 | { | |
433 | if (time_unit_ != time_unit) { | |
434 | time_unit_ = time_unit; | |
435 | Q_EMIT time_unit_changed(); | |
436 | } | |
437 | } | |
438 | ||
cdf7bea7 | 439 | void View::zoom(double steps) |
adb4b10c | 440 | { |
8dbbc7f0 | 441 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
442 | } |
443 | ||
17c0f398 JH |
444 | void View::zoom(double steps, int offset) |
445 | { | |
c063290a | 446 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
447 | } |
448 | ||
ce11b2ea | 449 | void View::zoom_fit(bool gui_state) |
ca46b534 | 450 | { |
ce11b2ea SA |
451 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
452 | if (session_.get_capture_state() == Session::Stopped) { | |
453 | always_zoom_to_fit_ = false; | |
454 | always_zoom_to_fit_changed(false); | |
455 | } else { | |
456 | always_zoom_to_fit_ = gui_state; | |
457 | always_zoom_to_fit_changed(gui_state); | |
458 | } | |
459 | ||
60d9b99a JS |
460 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
461 | const Timestamp delta = extents.second - extents.first; | |
462 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
463 | return; |
464 | ||
8dbbc7f0 JH |
465 | assert(viewport_); |
466 | const int w = viewport_->width(); | |
ca46b534 JH |
467 | if (w <= 0) |
468 | return; | |
469 | ||
60d9b99a JS |
470 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
471 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
472 | } |
473 | ||
d1e7d82c JH |
474 | void View::zoom_one_to_one() |
475 | { | |
476 | using pv::data::SignalData; | |
477 | ||
d1e7d82c | 478 | // Make a set of all the visible data objects |
0fc664a9 | 479 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
480 | if (visible_data.empty()) |
481 | return; | |
482 | ||
8dbbc7f0 JH |
483 | assert(viewport_); |
484 | const int w = viewport_->width(); | |
d1e7d82c JH |
485 | if (w <= 0) |
486 | return; | |
487 | ||
2220e942 | 488 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
489 | } |
490 | ||
60d9b99a | 491 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 492 | { |
ce11b2ea SA |
493 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
494 | // and user drags the viewport | |
c7b03d9d | 495 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
496 | (session_.get_capture_state() == Session::Running)) { |
497 | ||
498 | if (sticky_scrolling_) { | |
499 | sticky_scrolling_ = false; | |
500 | sticky_scrolling_changed(false); | |
501 | } | |
502 | ||
503 | if (always_zoom_to_fit_) { | |
504 | always_zoom_to_fit_ = false; | |
505 | always_zoom_to_fit_changed(false); | |
506 | } | |
c7b03d9d SA |
507 | } |
508 | ||
4b0af0b6 JS |
509 | set_scale(scale); |
510 | set_offset(offset); | |
ccdd3ef5 | 511 | |
361c560e JH |
512 | calculate_tick_spacing(); |
513 | ||
adb4b10c | 514 | update_scroll(); |
8dbbc7f0 | 515 | ruler_->update(); |
8dbbc7f0 | 516 | viewport_->update(); |
adb4b10c JH |
517 | } |
518 | ||
1bc6525b JH |
519 | set< shared_ptr<SignalData> > View::get_visible_data() const |
520 | { | |
1bc6525b JH |
521 | // Make a set of all the visible data objects |
522 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 523 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
524 | if (sig->enabled()) |
525 | visible_data.insert(sig->data()); | |
526 | ||
527 | return visible_data; | |
528 | } | |
529 | ||
60d9b99a | 530 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 531 | { |
60d9b99a | 532 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 533 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 534 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 535 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 536 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
537 | double samplerate = s->samplerate(); |
538 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
539 | ||
60d9b99a JS |
540 | const Timestamp start_time = s->start_time(); |
541 | left_time = left_time ? | |
542 | min(*left_time, start_time) : | |
543 | start_time; | |
544 | right_time = right_time ? | |
545 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
546 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 547 | } |
1bc6525b JH |
548 | } |
549 | ||
60d9b99a JS |
550 | if (!left_time || !right_time) |
551 | return make_pair(0, 0); | |
7f4038d6 | 552 | |
60d9b99a JS |
553 | assert(*left_time < *right_time); |
554 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
555 | } |
556 | ||
051ba3b3 UH |
557 | void View::enable_show_sampling_points(bool state) |
558 | { | |
559 | (void)state; | |
560 | ||
561 | viewport_->update(); | |
562 | } | |
563 | ||
574c568d SA |
564 | void View::enable_coloured_bg(bool state) |
565 | { | |
566 | const vector<shared_ptr<TraceTreeItem>> items( | |
567 | list_by_type<TraceTreeItem>()); | |
568 | ||
569 | for (shared_ptr<TraceTreeItem> i : items) { | |
570 | // Can't cast to Trace because it's abstract, so we need to | |
571 | // check for any derived classes individually | |
572 | ||
573 | shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i); | |
574 | if (a) | |
575 | a->set_coloured_bg(state); | |
576 | ||
577 | shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i); | |
578 | if (l) | |
579 | l->set_coloured_bg(state); | |
580 | ||
dcfe0a01 | 581 | #ifdef ENABLE_DECODE |
574c568d SA |
582 | shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i); |
583 | if (d) | |
584 | d->set_coloured_bg(state); | |
dcfe0a01 | 585 | #endif |
574c568d SA |
586 | } |
587 | ||
588 | viewport_->update(); | |
589 | } | |
590 | ||
f76af637 JH |
591 | bool View::cursors_shown() const |
592 | { | |
8dbbc7f0 | 593 | return show_cursors_; |
f76af637 JH |
594 | } |
595 | ||
596 | void View::show_cursors(bool show) | |
597 | { | |
8dbbc7f0 | 598 | show_cursors_ = show; |
819e2e95 | 599 | ruler_->update(); |
8dbbc7f0 | 600 | viewport_->update(); |
f76af637 JH |
601 | } |
602 | ||
b4d91e56 JH |
603 | void View::centre_cursors() |
604 | { | |
8dbbc7f0 | 605 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
606 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
607 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 608 | ruler_->update(); |
8dbbc7f0 | 609 | viewport_->update(); |
b4d91e56 JH |
610 | } |
611 | ||
6f925ba9 | 612 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 613 | { |
8dbbc7f0 | 614 | return cursors_; |
58864c5c JH |
615 | } |
616 | ||
60d9b99a | 617 | void View::add_flag(const Timestamp& time) |
8914fe79 | 618 | { |
067bb624 UH |
619 | flags_.push_back(make_shared<Flag>(*this, time, |
620 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 621 | |
8914fe79 JH |
622 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
623 | (next_flag_text_ + 1); | |
48257a69 | 624 | |
8914fe79 JH |
625 | time_item_appearance_changed(true, true); |
626 | } | |
627 | ||
6f925ba9 | 628 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
629 | { |
630 | flags_.remove(flag); | |
631 | time_item_appearance_changed(true, true); | |
632 | } | |
633 | ||
6f925ba9 | 634 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 635 | { |
6f925ba9 | 636 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
637 | stable_sort(flags.begin(), flags.end(), |
638 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
639 | return a->time() < b->time(); | |
640 | }); | |
641 | ||
642 | return flags; | |
643 | } | |
644 | ||
cbd80f64 JH |
645 | const QPoint& View::hover_point() const |
646 | { | |
8dbbc7f0 | 647 | return hover_point_; |
cbd80f64 JH |
648 | } |
649 | ||
af503b10 | 650 | void View::restack_all_trace_tree_items() |
7ff0145f | 651 | { |
873cbed0 | 652 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
653 | const vector<shared_ptr<TraceTreeItem>> items( |
654 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 655 | set< TraceTreeItemOwner* > owners; |
cc88566c | 656 | for (const auto &r : items) |
4800cf9a | 657 | owners.insert(r->owner()); |
af503b10 | 658 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 659 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 660 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
661 | return a->depth() > b->depth(); }); |
662 | ||
663 | // Restack the items recursively | |
664 | for (auto &o : sorted_owners) | |
665 | o->restack_items(); | |
666 | ||
ac0708fb | 667 | // Re-assign background colors |
1f1d55ce | 668 | bool next_bgcolour_state = false; |
ac0708fb SA |
669 | |
670 | for (auto &o : sorted_owners) | |
671 | next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); | |
672 | ||
7ff0145f | 673 | // Animate the items to their destination |
cef5997e JH |
674 | for (const auto &i : items) |
675 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
676 | } |
677 | ||
48257a69 SA |
678 | void View::trigger_event(util::Timestamp location) |
679 | { | |
067bb624 | 680 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
681 | } |
682 | ||
60d9b99a | 683 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 684 | { |
60d9b99a JS |
685 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
686 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 687 | offset = offset_ / scale_; |
f25770e2 JH |
688 | } |
689 | ||
d1e7d82c JH |
690 | void View::set_zoom(double scale, int offset) |
691 | { | |
ce11b2ea SA |
692 | // Reset the "always zoom to fit" feature as the user changed the zoom |
693 | always_zoom_to_fit_ = false; | |
694 | always_zoom_to_fit_changed(false); | |
695 | ||
60d9b99a JS |
696 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
697 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
698 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
699 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
700 | } |
701 | ||
361c560e JH |
702 | void View::calculate_tick_spacing() |
703 | { | |
8a1bc087 | 704 | const double SpacingIncrement = 10.0f; |
8a463dbc | 705 | const double MinValueSpacing = 40.0f; |
361c560e | 706 | |
1e124d4b SA |
707 | // Figure out the highest numeric value visible on a label |
708 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 709 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
710 | fabs(offset_ + scale_ * areaSize.width())); |
711 | ||
d40f4db7 SA |
712 | double min_width = SpacingIncrement; |
713 | double label_width, tick_period_width; | |
361c560e JH |
714 | |
715 | QFontMetrics m(QApplication::font()); | |
716 | ||
adb3831e JS |
717 | // Copies of the member variables with the same name, used in the calculation |
718 | // and written back afterwards, so that we don't emit signals all the time | |
719 | // during the calculation. | |
720 | pv::util::Timestamp tick_period = tick_period_; | |
721 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
722 | unsigned tick_precision = tick_precision_; | |
723 | ||
361c560e JH |
724 | do { |
725 | const double min_period = scale_ * min_width; | |
726 | ||
727 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
728 | const pv::util::Timestamp order_decimal = |
729 | pow(pv::util::Timestamp(10), order); | |
361c560e | 730 | |
8a1bc087 SA |
731 | // Allow for a margin of error so that a scale unit of 1 can be used. |
732 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
733 | // the min_period by a small amount - and thus skipped in favor of 2. | |
734 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
735 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
736 | double tp_with_margin; | |
361c560e JH |
737 | unsigned int unit = 0; |
738 | ||
739 | do { | |
c677193d JS |
740 | tp_with_margin = order_decimal.convert_to<double>() * |
741 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 742 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 743 | |
adb3831e JS |
744 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
745 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
746 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 747 | |
d40f4db7 SA |
748 | // Precision is the number of fractional digits required, not |
749 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 750 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 751 | |
adb3831e | 752 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 753 | |
3ccf0f7f JS |
754 | const QString label_text = Ruler::format_time_with_distance( |
755 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
756 | |
757 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
758 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
759 | MinValueSpacing; |
760 | ||
761 | min_width += SpacingIncrement; | |
d40f4db7 | 762 | } while (tick_period_width < label_width); |
adb3831e JS |
763 | |
764 | set_tick_period(tick_period); | |
765 | set_tick_prefix(tick_prefix); | |
766 | set_tick_precision(tick_precision); | |
361c560e JH |
767 | } |
768 | ||
cdf7bea7 | 769 | void View::update_scroll() |
adb4b10c | 770 | { |
8dbbc7f0 | 771 | assert(viewport_); |
f4e57597 SA |
772 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
773 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 774 | |
8dbbc7f0 | 775 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
776 | |
777 | // Set the horizontal scroll bar | |
60d9b99a JS |
778 | double length = 0; |
779 | Timestamp offset; | |
f25770e2 JH |
780 | get_scroll_layout(length, offset); |
781 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 782 | |
c677193d | 783 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 784 | |
f4e57597 SA |
785 | hscrollbar->setPageStep(areaSize.width() / 2); |
786 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 787 | |
8dbbc7f0 | 788 | updating_scroll_ = true; |
528bd8a1 | 789 | |
333d5bbc | 790 | if (length < MaxScrollValue) { |
f4e57597 SA |
791 | hscrollbar->setRange(0, length); |
792 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 793 | } else { |
f4e57597 SA |
794 | hscrollbar->setRange(0, MaxScrollValue); |
795 | hscrollbar->setSliderPosition( | |
60d9b99a | 796 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 797 | } |
adb4b10c | 798 | |
8dbbc7f0 | 799 | updating_scroll_ = false; |
528bd8a1 | 800 | |
adb4b10c | 801 | // Set the vertical scrollbar |
f4e57597 SA |
802 | vscrollbar->setPageStep(areaSize.height()); |
803 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
804 | |
805 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
806 | |
807 | // Don't change the scrollbar range if there are no traces | |
808 | if (extents.first != extents.second) | |
f4e57597 | 809 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
810 | extents.second); |
811 | ||
e62bee73 | 812 | if (scroll_needs_defaults_) |
925763b0 SA |
813 | set_scroll_default(); |
814 | } | |
815 | ||
816 | void View::reset_scroll() | |
817 | { | |
f4e57597 | 818 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
819 | } |
820 | ||
821 | void View::set_scroll_default() | |
822 | { | |
823 | assert(viewport_); | |
824 | ||
825 | const QSize areaSize = viewport_->size(); | |
826 | ||
925763b0 SA |
827 | const pair<int, int> extents = v_extents(); |
828 | const int trace_height = extents.second - extents.first; | |
829 | ||
830 | // Do all traces fit in the view? | |
831 | if (areaSize.height() >= trace_height) | |
832 | // Center all traces vertically | |
833 | set_v_offset(extents.first - | |
834 | ((areaSize.height() - trace_height) / 2)); | |
835 | else | |
836 | // Put the first trace at the top, letting the bottom ones overflow | |
837 | set_v_offset(extents.first); | |
66e4eae9 SA |
838 | |
839 | // If we're not sure whether setting the defaults worked as | |
840 | // the window wasn't set up entirely yet, we want to be called | |
841 | // again later to make sure | |
842 | scroll_needs_defaults_ = !size_finalized_; | |
adb4b10c JH |
843 | } |
844 | ||
d7c0ca4a JH |
845 | void View::update_layout() |
846 | { | |
f4e57597 SA |
847 | scrollarea_.setViewportMargins( |
848 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
849 | ruler_->sizeHint().height(), 0, 0); |
850 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 851 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 852 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 853 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
854 | update_scroll(); |
855 | } | |
856 | ||
af503b10 | 857 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 858 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 859 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 860 | &signal_map) |
448a72cf | 861 | { |
cf124e47 | 862 | assert(group); |
448a72cf | 863 | |
af503b10 JH |
864 | unordered_set<TraceTreeItemOwner*> owners; |
865 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 866 | |
cf124e47 JH |
867 | // Make a set and a list of all the owners |
868 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
869 | for (auto entry : signal_map) { |
870 | if (entry.first->channel() == channel) { | |
871 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
872 | owner_list.push_back(o); | |
873 | owners.insert(o); | |
874 | } | |
875 | } | |
cf124e47 | 876 | } |
448a72cf | 877 | |
cf124e47 JH |
878 | // Iterate through the list of owners, and find the most prevalent |
879 | size_t max_prevalence = 0; | |
af503b10 JH |
880 | TraceTreeItemOwner *prevalent_owner = nullptr; |
881 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 882 | const size_t prevalence = count_if( |
cf124e47 | 883 | owner_list.begin(), owner_list.end(), |
af503b10 | 884 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
885 | if (prevalence > max_prevalence) { |
886 | max_prevalence = prevalence; | |
887 | prevalent_owner = owner; | |
888 | } | |
448a72cf JH |
889 | } |
890 | ||
cf124e47 | 891 | return prevalent_owner; |
448a72cf JH |
892 | } |
893 | ||
cf124e47 JH |
894 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
895 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 896 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
897 | &signal_map, |
898 | set< shared_ptr<Trace> > &add_list) | |
899 | { | |
900 | vector< shared_ptr<Trace> > filtered_traces; | |
901 | ||
2ad82c2e | 902 | for (const auto &channel : channels) { |
bf0edd2b SA |
903 | for (auto entry : signal_map) { |
904 | if (entry.first->channel() == channel) { | |
905 | shared_ptr<Trace> trace = entry.second; | |
906 | const auto list_iter = add_list.find(trace); | |
907 | if (list_iter == add_list.end()) | |
908 | continue; | |
909 | ||
910 | filtered_traces.push_back(trace); | |
911 | add_list.erase(list_iter); | |
912 | } | |
913 | } | |
cf124e47 JH |
914 | } |
915 | ||
916 | return filtered_traces; | |
448a72cf JH |
917 | } |
918 | ||
ef454ad5 SA |
919 | void View::determine_time_unit() |
920 | { | |
7ee199a7 | 921 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 922 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 923 | // Check all signals but... |
47e9e7bb | 924 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
925 | const shared_ptr<SignalData> data = signal->data(); |
926 | ||
927 | // ...only check first segment of each | |
928 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
929 | if (!segments.empty()) | |
930 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 931 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
932 | break; |
933 | } | |
934 | } | |
ef454ad5 SA |
935 | } |
936 | } | |
937 | ||
cbd80f64 JH |
938 | bool View::eventFilter(QObject *object, QEvent *event) |
939 | { | |
940 | const QEvent::Type type = event->type(); | |
333d5bbc | 941 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
942 | |
943 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
944 | if (object == viewport_) |
945 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 946 | else if (object == ruler_) |
8dbbc7f0 JH |
947 | hover_point_ = QPoint(mouse_event->x(), 0); |
948 | else if (object == header_) | |
949 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 950 | else |
8dbbc7f0 | 951 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
952 | |
953 | hover_point_changed(); | |
954 | ||
333d5bbc | 955 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 956 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
957 | hover_point_changed(); |
958 | } | |
959 | ||
960 | return QObject::eventFilter(object, event); | |
961 | } | |
962 | ||
e314eca4 | 963 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 964 | { |
d7c0ca4a | 965 | update_layout(); |
39ab01e7 SA |
966 | |
967 | // This is somewhat of a hack, unfortunately. We cannot use | |
968 | // set_v_offset() from within restore_settings() as the view | |
969 | // at that point is neither visible nor properly sized. | |
970 | // This is the least intrusive workaround I could come up | |
ae5f6628 SA |
971 | // with: set the vertical offset (or scroll defaults) when |
972 | // the view is visible and resized to its final size. | |
973 | // Resize events that are sent when the view is not visible | |
974 | // must be ignored as they have wrong sizes, potentially | |
975 | // preventing the v offset from being set successfully. | |
976 | ||
977 | if (isVisible()) | |
978 | size_finalized_ = true; | |
979 | ||
980 | if (size_finalized_ && saved_v_offset_) { | |
39ab01e7 SA |
981 | set_v_offset(saved_v_offset_); |
982 | saved_v_offset_ = 0; | |
983 | } | |
ae5f6628 SA |
984 | |
985 | if (size_finalized_ && scroll_needs_defaults_) | |
986 | set_scroll_default(); | |
adb4b10c JH |
987 | } |
988 | ||
6e2c3c85 | 989 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
990 | { |
991 | if (label) | |
8dbbc7f0 | 992 | header_->update(); |
32218d3e | 993 | if (content) |
8dbbc7f0 | 994 | viewport_->update(); |
32218d3e JH |
995 | } |
996 | ||
98cfe4e8 JH |
997 | void View::time_item_appearance_changed(bool label, bool content) |
998 | { | |
999 | if (label) | |
819e2e95 | 1000 | ruler_->update(); |
98cfe4e8 JH |
1001 | if (content) |
1002 | viewport_->update(); | |
1003 | } | |
1004 | ||
32218d3e JH |
1005 | void View::extents_changed(bool horz, bool vert) |
1006 | { | |
8dbbc7f0 | 1007 | sticky_events_ |= |
af503b10 JH |
1008 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1009 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 1010 | lazy_event_handler_.start(); |
32218d3e JH |
1011 | } |
1012 | ||
b16907d3 | 1013 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1014 | { |
8dbbc7f0 | 1015 | if (updating_scroll_) |
528bd8a1 JH |
1016 | return; |
1017 | ||
c7b03d9d SA |
1018 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1019 | // during a running acquisition | |
1020 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1021 | sticky_scrolling_ = false; | |
1022 | sticky_scrolling_changed(false); | |
1023 | } | |
1024 | ||
f4e57597 | 1025 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 1026 | if (range < MaxScrollValue) |
4b0af0b6 | 1027 | set_offset(scale_ * value); |
f25770e2 | 1028 | else { |
60d9b99a JS |
1029 | double length = 0; |
1030 | Timestamp offset; | |
f25770e2 | 1031 | get_scroll_layout(length, offset); |
4b0af0b6 | 1032 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1033 | } |
1034 | ||
8dbbc7f0 | 1035 | ruler_->update(); |
8dbbc7f0 | 1036 | viewport_->update(); |
adb4b10c JH |
1037 | } |
1038 | ||
f8400017 | 1039 | void View::v_scroll_value_changed() |
adb4b10c | 1040 | { |
8dbbc7f0 JH |
1041 | header_->update(); |
1042 | viewport_->update(); | |
adb4b10c JH |
1043 | } |
1044 | ||
69dd2b03 JH |
1045 | void View::signals_changed() |
1046 | { | |
769a79b5 JH |
1047 | using sigrok::Channel; |
1048 | ||
925763b0 SA |
1049 | vector< shared_ptr<Channel> > channels; |
1050 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1051 | |
925763b0 SA |
1052 | // Do we need to set the vertical scrollbar to its default position later? |
1053 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1054 | bool reset_scrollbar = | |
f4e57597 SA |
1055 | (scrollarea_.verticalScrollBar()->minimum() == |
1056 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1057 | |
1058 | if (!session_.device()) { | |
1059 | reset_scroll(); | |
47e9e7bb | 1060 | signals_.clear(); |
925763b0 | 1061 | } else { |
925763b0 | 1062 | sr_dev = session_.device()->device(); |
3b353d67 | 1063 | assert(sr_dev); |
925763b0 SA |
1064 | channels = sr_dev->channels(); |
1065 | } | |
e37e05f7 | 1066 | |
925763b0 | 1067 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1068 | |
cf124e47 JH |
1069 | // Make a list of traces that are being added, and a list of traces |
1070 | // that are being removed | |
364d2155 JH |
1071 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1072 | const set<shared_ptr<Trace>> prev_traces( | |
1073 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1074 | |
47e9e7bb | 1075 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1076 | |
1077 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1078 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1079 | #endif |
1080 | ||
1081 | set< shared_ptr<Trace> > add_traces; | |
1082 | set_difference(traces.begin(), traces.end(), | |
1083 | prev_traces.begin(), prev_traces.end(), | |
1084 | inserter(add_traces, add_traces.begin())); | |
1085 | ||
1086 | set< shared_ptr<Trace> > remove_traces; | |
1087 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1088 | traces.begin(), traces.end(), | |
1089 | inserter(remove_traces, remove_traces.begin())); | |
1090 | ||
1091 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1092 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1093 | signal_map; |
47e9e7bb | 1094 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1095 | signal_map[sig->base()] = sig; |
448a72cf JH |
1096 | |
1097 | // Populate channel groups | |
925763b0 SA |
1098 | if (sr_dev) |
1099 | for (auto entry : sr_dev->channel_groups()) { | |
1100 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1101 | ||
1102 | if (group->channels().size() <= 1) | |
1103 | continue; | |
1104 | ||
1105 | // Find best trace group to add to | |
1106 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1107 | group, signal_map); | |
1108 | ||
1109 | // If there is no trace group, create one | |
1110 | shared_ptr<TraceGroup> new_trace_group; | |
1111 | if (!owner) { | |
1112 | new_trace_group.reset(new TraceGroup()); | |
1113 | owner = new_trace_group.get(); | |
1114 | } | |
1115 | ||
1116 | // Extract traces for the trace group, removing them from | |
1117 | // the add list | |
1118 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1119 | extract_new_traces_for_channels(group->channels(), | |
1120 | signal_map, add_traces); | |
1121 | ||
1122 | // Add the traces to the group | |
1123 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1124 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1125 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1126 | assert(trace); | |
1127 | owner->add_child_item(trace); | |
1128 | ||
1129 | const pair<int, int> extents = trace->v_extents(); | |
1130 | if (trace->enabled()) | |
1131 | offset += -extents.first; | |
1132 | trace->force_to_v_offset(offset); | |
1133 | if (trace->enabled()) | |
1134 | offset += extents.second; | |
1135 | } | |
1136 | ||
7d556523 SA |
1137 | if (new_trace_group) { |
1138 | // Assign proper vertical offsets to each channel in the group | |
1139 | new_trace_group->restack_items(); | |
1140 | ||
1141 | // If this is a new group, enqueue it in the new top level | |
1142 | // items list | |
1143 | if (!new_traces_in_group.empty()) | |
1144 | new_top_level_items.push_back(new_trace_group); | |
1145 | } | |
cf124e47 | 1146 | } |
68b21a71 | 1147 | |
769a79b5 JH |
1148 | // Enqueue the remaining logic channels in a group |
1149 | vector< shared_ptr<Channel> > logic_channels; | |
1150 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1151 | [](const shared_ptr<Channel>& c) { | |
1152 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1153 | |
769a79b5 | 1154 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1155 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1156 | ||
1157 | if (non_grouped_logic_signals.size() > 0) { | |
1158 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1159 | make_shared<TraceGroup>()); | |
1160 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1161 | non_grouped_trace_group->add_child_item(trace); | |
1162 | ||
1163 | non_grouped_trace_group->restack_items(); | |
1164 | new_top_level_items.push_back(non_grouped_trace_group); | |
1165 | } | |
769a79b5 | 1166 | |
cf124e47 JH |
1167 | // Enqueue the remaining channels as free ungrouped traces |
1168 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1169 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1170 | new_top_level_items.insert(new_top_level_items.end(), |
1171 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1172 | ||
1173 | // Enqueue any remaining traces i.e. decode traces | |
1174 | new_top_level_items.insert(new_top_level_items.end(), | |
1175 | add_traces.begin(), add_traces.end()); | |
1176 | ||
1177 | // Remove any removed traces | |
1178 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1179 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1180 | assert(owner); |
1181 | owner->remove_child_item(trace); | |
1182 | } | |
448a72cf | 1183 | |
bc72e51f SA |
1184 | // Remove any empty trace groups |
1185 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1186 | if (group->child_items().size() == 0) { |
bc72e51f | 1187 | remove_child_item(group); |
e28c998e SA |
1188 | group.reset(); |
1189 | } | |
bc72e51f | 1190 | |
cf124e47 | 1191 | // Add and position the pending top levels items |
6644424f | 1192 | int offset = v_extents().second; |
cf124e47 | 1193 | for (auto item : new_top_level_items) { |
8c09273b SA |
1194 | add_child_item(item); |
1195 | ||
d6128866 | 1196 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1197 | const pair<int, int> extents = item->v_extents(); |
1198 | ||
1199 | if (item->enabled()) | |
1200 | offset += -extents.first; | |
d6128866 | 1201 | |
d6128866 | 1202 | item->force_to_v_offset(offset); |
cf124e47 | 1203 | |
cf124e47 | 1204 | if (item->enabled()) |
8c09273b | 1205 | offset += extents.second; |
ef8311a4 JH |
1206 | } |
1207 | ||
a6c1726e | 1208 | update_layout(); |
cf124e47 JH |
1209 | |
1210 | header_->update(); | |
1211 | viewport_->update(); | |
925763b0 SA |
1212 | |
1213 | if (reset_scrollbar) | |
1214 | set_scroll_default(); | |
69dd2b03 JH |
1215 | } |
1216 | ||
7ee199a7 | 1217 | void View::capture_state_updated(int state) |
adb4b10c | 1218 | { |
92ff2b60 | 1219 | if (state == Session::Running) { |
4b0af0b6 | 1220 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1221 | |
92ff2b60 | 1222 | trigger_markers_.clear(); |
90472a51 | 1223 | |
820ce18a SA |
1224 | // Activate "always zoom to fit" if the setting is enabled and we're |
1225 | // the main view of this session (other trace views may be used for | |
1226 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1227 | GlobalSettings settings; |
1228 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1229 | if (is_main_view_ && state) { |
90472a51 SA |
1230 | always_zoom_to_fit_ = true; |
1231 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1232 | } | |
9b64f2df SA |
1233 | |
1234 | // Enable sticky scrolling if the setting is enabled | |
1235 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
92ff2b60 TS |
1236 | } |
1237 | ||
fd03a279 SA |
1238 | if (state == Session::Stopped) { |
1239 | // After acquisition has stopped we need to re-calculate the ticks once | |
1240 | // as it's otherwise done when the user pans or zooms, which is too late | |
1241 | calculate_tick_spacing(); | |
1242 | ||
1243 | // Reset "always zoom to fit", the acquisition has stopped | |
1244 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1245 | // Perform a final zoom-to-fit before disabling |
1246 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1247 | always_zoom_to_fit_ = false; |
90472a51 | 1248 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1249 | } |
1250 | } | |
7ee199a7 SA |
1251 | } |
1252 | ||
1253 | void View::data_updated() | |
1254 | { | |
ce11b2ea | 1255 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1256 | if (!delayed_view_updater_.isActive()) |
1257 | delayed_view_updater_.start(); | |
1258 | } else { | |
ef454ad5 | 1259 | determine_time_unit(); |
c7b03d9d SA |
1260 | update_scroll(); |
1261 | ruler_->update(); | |
1262 | viewport_->update(); | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | void View::perform_delayed_view_update() | |
1267 | { | |
3906e758 | 1268 | if (always_zoom_to_fit_) { |
ce11b2ea | 1269 | zoom_fit(true); |
3906e758 | 1270 | } else if (sticky_scrolling_) { |
c7b03d9d | 1271 | // Make right side of the view sticky |
60d9b99a JS |
1272 | double length = 0; |
1273 | Timestamp offset; | |
c7b03d9d SA |
1274 | get_scroll_layout(length, offset); |
1275 | ||
1276 | const QSize areaSize = viewport_->size(); | |
1277 | length = max(length - areaSize.width(), 0.0); | |
1278 | ||
4b0af0b6 | 1279 | set_offset(scale_ * length); |
c7b03d9d | 1280 | } |
adb4b10c | 1281 | |
ef454ad5 | 1282 | determine_time_unit(); |
c7b03d9d SA |
1283 | update_scroll(); |
1284 | ruler_->update(); | |
8dbbc7f0 | 1285 | viewport_->update(); |
adb4b10c | 1286 | } |
cdf7bea7 | 1287 | |
32218d3e | 1288 | void View::process_sticky_events() |
d7c0ca4a | 1289 | { |
af503b10 | 1290 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1291 | update_layout(); |
af503b10 JH |
1292 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1293 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1294 | update_scroll(); |
1295 | } | |
32218d3e JH |
1296 | |
1297 | // Clear the sticky events | |
8dbbc7f0 | 1298 | sticky_events_ = 0; |
d7c0ca4a JH |
1299 | } |
1300 | ||
33c62f44 JH |
1301 | void View::on_hover_point_changed() |
1302 | { | |
cc88566c JH |
1303 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1304 | list_by_type<TraceTreeItem>()); | |
1305 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1306 | r->hover_point_changed(); |
33c62f44 JH |
1307 | } |
1308 | ||
f4e57597 SA |
1309 | } // namespace TraceView |
1310 | } // namespace views | |
cdf7bea7 | 1311 | } // namespace pv |