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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> |
c3a740dd | 32 | #include <mutex> |
7ff0145f | 33 | #include <unordered_set> |
adb4b10c | 34 | |
3a21afa6 SA |
35 | #include <boost/archive/text_iarchive.hpp> |
36 | #include <boost/archive/text_oarchive.hpp> | |
37 | #include <boost/serialization/serialization.hpp> | |
e71eb81c JH |
38 | #include <boost/thread/locks.hpp> |
39 | ||
361c560e | 40 | #include <QApplication> |
f4e57597 | 41 | #include <QHBoxLayout> |
adb4b10c | 42 | #include <QEvent> |
361c560e | 43 | #include <QFontMetrics> |
cbd80f64 | 44 | #include <QMouseEvent> |
adb4b10c JH |
45 | #include <QScrollBar> |
46 | ||
fe3a1c21 | 47 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 48 | |
574c568d | 49 | #include "analogsignal.hpp" |
2acdb232 JH |
50 | #include "header.hpp" |
51 | #include "logicsignal.hpp" | |
52 | #include "ruler.hpp" | |
53 | #include "signal.hpp" | |
54 | #include "tracegroup.hpp" | |
1a2288a1 | 55 | #include "triggermarker.hpp" |
2acdb232 JH |
56 | #include "view.hpp" |
57 | #include "viewport.hpp" | |
adb4b10c | 58 | |
f65cd27b | 59 | #include "pv/session.hpp" |
24c29d4f | 60 | #include "pv/globalsettings.hpp" |
da30ecb7 | 61 | #include "pv/devices/device.hpp" |
2acdb232 | 62 | #include "pv/data/logic.hpp" |
f3d66e52 | 63 | #include "pv/data/logicsegment.hpp" |
361c560e | 64 | #include "pv/util.hpp" |
adb4b10c | 65 | |
dcfe0a01 SA |
66 | #ifdef ENABLE_DECODE |
67 | #include "decodetrace.hpp" | |
68 | #endif | |
69 | ||
aca64cac JH |
70 | using boost::shared_lock; |
71 | using boost::shared_mutex; | |
361c560e | 72 | |
1bc6525b | 73 | using pv::data::SignalData; |
f3d66e52 | 74 | using pv::data::Segment; |
ef454ad5 | 75 | using pv::util::TimeUnit; |
60d9b99a | 76 | using pv::util::Timestamp; |
361c560e | 77 | |
769a79b5 JH |
78 | using std::back_inserter; |
79 | using std::copy_if; | |
819f4c25 | 80 | using std::deque; |
448a72cf | 81 | using std::dynamic_pointer_cast; |
cf124e47 | 82 | using std::inserter; |
819f4c25 | 83 | using std::list; |
c3a740dd | 84 | using std::lock_guard; |
819f4c25 | 85 | using std::max; |
1bc6525b | 86 | using std::make_pair; |
769a79b5 | 87 | using std::make_shared; |
819f4c25 | 88 | using std::min; |
1bc6525b | 89 | using std::pair; |
819f4c25 | 90 | using std::set; |
cf124e47 | 91 | using std::set_difference; |
f9abf97e | 92 | using std::shared_ptr; |
448a72cf | 93 | using std::unordered_map; |
7ff0145f | 94 | using std::unordered_set; |
819f4c25 | 95 | using std::vector; |
f9abf97e | 96 | using std::weak_ptr; |
adb4b10c | 97 | |
cdf7bea7 | 98 | namespace pv { |
f4e57597 SA |
99 | namespace views { |
100 | namespace TraceView { | |
adb4b10c | 101 | |
60d9b99a JS |
102 | const Timestamp View::MaxScale("1e9"); |
103 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 104 | |
f25770e2 | 105 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 106 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 107 | |
361c560e JH |
108 | const int View::ScaleUnits[3] = {1, 2, 5}; |
109 | ||
f4e57597 SA |
110 | |
111 | CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : | |
112 | QAbstractScrollArea(parent) | |
113 | { | |
114 | } | |
115 | ||
116 | void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) | |
117 | { | |
118 | QAbstractScrollArea::setViewportMargins(left, top, right, bottom); | |
119 | } | |
120 | ||
121 | bool CustomAbstractScrollArea::viewportEvent(QEvent *event) | |
122 | { | |
123 | switch (event->type()) { | |
124 | case QEvent::Paint: | |
125 | case QEvent::MouseButtonPress: | |
126 | case QEvent::MouseButtonRelease: | |
127 | case QEvent::MouseButtonDblClick: | |
128 | case QEvent::MouseMove: | |
129 | case QEvent::Wheel: | |
130 | case QEvent::TouchBegin: | |
131 | case QEvent::TouchUpdate: | |
132 | case QEvent::TouchEnd: | |
133 | return false; | |
134 | default: | |
135 | return QAbstractScrollArea::viewportEvent(event); | |
136 | } | |
137 | } | |
138 | ||
143d322d SA |
139 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
140 | ViewBase(session, is_main_view, parent), | |
8dbbc7f0 JH |
141 | viewport_(new Viewport(*this)), |
142 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 143 | header_(new Header(*this)), |
f4e57597 | 144 | scrollarea_(this), |
c0100b55 | 145 | scale_(1e-3), |
8dbbc7f0 | 146 | offset_(0), |
8dbbc7f0 | 147 | updating_scroll_(false), |
c7b03d9d | 148 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 149 | always_zoom_to_fit_(false), |
c677193d | 150 | tick_period_(0), |
d001f416 | 151 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 152 | tick_precision_(0), |
d001f416 | 153 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 154 | show_cursors_(false), |
5c5ce757 | 155 | cursors_(new CursorPair(*this)), |
8914fe79 | 156 | next_flag_text_('A'), |
92ff2b60 | 157 | trigger_markers_(), |
f4203850 | 158 | hover_point_(-1, -1), |
e62bee73 | 159 | scroll_needs_defaults_(false), |
ae5f6628 SA |
160 | saved_v_offset_(0), |
161 | size_finalized_(false) | |
adb4b10c | 162 | { |
24c29d4f SA |
163 | GlobalSettings settings; |
164 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
165 | ||
f4e57597 | 166 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 167 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 168 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 169 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 170 | |
8dbbc7f0 | 171 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
172 | ruler_, SLOT(clear_selection())); |
173 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 174 | header_, SLOT(clear_selection())); |
17348f85 | 175 | |
8dbbc7f0 | 176 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 177 | this, SIGNAL(selection_changed())); |
819e2e95 | 178 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
179 | this, SIGNAL(selection_changed())); |
180 | ||
33c62f44 JH |
181 | connect(this, SIGNAL(hover_point_changed()), |
182 | this, SLOT(on_hover_point_changed())); | |
183 | ||
8dbbc7f0 | 184 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 185 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 186 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 187 | |
c7b03d9d SA |
188 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
189 | this, SLOT(perform_delayed_view_update())); | |
190 | delayed_view_updater_.setSingleShot(true); | |
191 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
192 | ||
f4e57597 SA |
193 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
194 | QHBoxLayout *layout = new QHBoxLayout(this); | |
195 | setLayout(layout); | |
196 | layout->setContentsMargins(0, 0, 0, 0); | |
197 | layout->addWidget(&scrollarea_); | |
198 | ||
199 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 200 | |
8dbbc7f0 JH |
201 | viewport_->installEventFilter(this); |
202 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 203 | header_->installEventFilter(this); |
d873f4d6 | 204 | |
9f46d905 JH |
205 | // Trigger the initial event manually. The default device has signals |
206 | // which were created before this object came into being | |
d873f4d6 | 207 | signals_changed(); |
84a0d458 | 208 | |
512bfc56 | 209 | // make sure the transparent widgets are on the top |
819e2e95 | 210 | ruler_->raise(); |
8dbbc7f0 | 211 | header_->raise(); |
361c560e JH |
212 | |
213 | // Update the zoom state | |
214 | calculate_tick_spacing(); | |
adb4b10c JH |
215 | } |
216 | ||
2b81ae46 | 217 | Session& View::session() |
1d19ef83 | 218 | { |
8dbbc7f0 | 219 | return session_; |
1d19ef83 JH |
220 | } |
221 | ||
2b81ae46 | 222 | const Session& View::session() const |
38eeddea | 223 | { |
8dbbc7f0 | 224 | return session_; |
38eeddea JH |
225 | } |
226 | ||
f4e57597 | 227 | std::unordered_set< std::shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
228 | { |
229 | return signals_; | |
230 | } | |
231 | ||
232 | void View::clear_signals() | |
233 | { | |
234 | signals_.clear(); | |
235 | } | |
236 | ||
f4e57597 | 237 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb SA |
238 | { |
239 | signals_.insert(signal); | |
240 | } | |
241 | ||
bb7dd726 | 242 | #ifdef ENABLE_DECODE |
f4e57597 | 243 | void View::clear_decode_signals() |
bb7dd726 SA |
244 | { |
245 | decode_traces_.clear(); | |
246 | } | |
247 | ||
f4e57597 | 248 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 249 | { |
f4e57597 SA |
250 | shared_ptr<DecodeTrace> d( |
251 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
252 | decode_traces_.push_back(d); |
253 | } | |
254 | ||
f4e57597 | 255 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
256 | { |
257 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
258 | if ((*i)->base() == signalbase) { | |
259 | decode_traces_.erase(i); | |
260 | signals_changed(); | |
261 | return; | |
262 | } | |
263 | } | |
264 | #endif | |
265 | ||
eae6e30a JH |
266 | View* View::view() |
267 | { | |
268 | return this; | |
269 | } | |
270 | ||
271 | const View* View::view() const | |
272 | { | |
273 | return this; | |
274 | } | |
275 | ||
2ae445ba SA |
276 | Viewport* View::viewport() |
277 | { | |
8dbbc7f0 | 278 | return viewport_; |
2ae445ba SA |
279 | } |
280 | ||
281 | const Viewport* View::viewport() const | |
282 | { | |
8dbbc7f0 | 283 | return viewport_; |
2ae445ba SA |
284 | } |
285 | ||
3a21afa6 SA |
286 | void View::save_settings(QSettings &settings) const |
287 | { | |
288 | settings.setValue("scale", scale_); | |
39ab01e7 SA |
289 | settings.setValue("v_offset", |
290 | scrollarea_.verticalScrollBar()->sliderPosition()); | |
3a21afa6 SA |
291 | |
292 | std::stringstream ss; | |
293 | boost::archive::text_oarchive oa(ss); | |
294 | oa << boost::serialization::make_nvp("offset", offset_); | |
295 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
296 | ||
f4e57597 | 297 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
298 | settings.beginGroup(signal->base()->internal_name()); |
299 | signal->save_settings(settings); | |
300 | settings.endGroup(); | |
301 | } | |
302 | } | |
303 | ||
304 | void View::restore_settings(QSettings &settings) | |
305 | { | |
39ab01e7 SA |
306 | // Note: It is assumed that this function is only called once, |
307 | // immediately after restoring a previous session. | |
308 | ||
3a21afa6 SA |
309 | if (settings.contains("scale")) |
310 | set_scale(settings.value("scale").toDouble()); | |
311 | ||
312 | if (settings.contains("offset")) { | |
313 | util::Timestamp offset; | |
314 | std::stringstream ss; | |
315 | ss << settings.value("offset").toString().toStdString(); | |
316 | ||
317 | boost::archive::text_iarchive ia(ss); | |
318 | ia >> boost::serialization::make_nvp("offset", offset); | |
319 | ||
320 | set_offset(offset); | |
321 | } | |
322 | ||
f4e57597 | 323 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
324 | settings.beginGroup(signal->base()->internal_name()); |
325 | signal->restore_settings(settings); | |
326 | settings.endGroup(); | |
327 | } | |
39ab01e7 SA |
328 | |
329 | if (settings.contains("v_offset")) { | |
330 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
331 | set_v_offset(saved_v_offset_); | |
e62bee73 | 332 | scroll_needs_defaults_ = false; |
39ab01e7 SA |
333 | // Note: see resizeEvent() for additional information |
334 | } | |
3a21afa6 SA |
335 | } |
336 | ||
2496bf45 JH |
337 | vector< shared_ptr<TimeItem> > View::time_items() const |
338 | { | |
8914fe79 JH |
339 | const vector<shared_ptr<Flag>> f(flags()); |
340 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 341 | items.push_back(cursors_); |
5c5ce757 JH |
342 | items.push_back(cursors_->first()); |
343 | items.push_back(cursors_->second()); | |
1a2288a1 | 344 | |
92ff2b60 TS |
345 | for (auto trigger_marker : trigger_markers_) |
346 | items.push_back(trigger_marker); | |
1a2288a1 | 347 | |
2496bf45 JH |
348 | return items; |
349 | } | |
350 | ||
cdf7bea7 | 351 | double View::scale() const |
adb4b10c | 352 | { |
8dbbc7f0 | 353 | return scale_; |
adb4b10c JH |
354 | } |
355 | ||
4b0af0b6 JS |
356 | void View::set_scale(double scale) |
357 | { | |
358 | if (scale_ != scale) { | |
359 | scale_ = scale; | |
360 | Q_EMIT scale_changed(); | |
361 | } | |
362 | } | |
363 | ||
60d9b99a | 364 | const Timestamp& View::offset() const |
adb4b10c | 365 | { |
8dbbc7f0 | 366 | return offset_; |
adb4b10c JH |
367 | } |
368 | ||
4b0af0b6 JS |
369 | void View::set_offset(const pv::util::Timestamp& offset) |
370 | { | |
371 | if (offset_ != offset) { | |
372 | offset_ = offset; | |
373 | Q_EMIT offset_changed(); | |
374 | } | |
375 | } | |
376 | ||
7ff0145f | 377 | int View::owner_visual_v_offset() const |
adb4b10c | 378 | { |
f4e57597 | 379 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
380 | } |
381 | ||
4d476647 JH |
382 | void View::set_v_offset(int offset) |
383 | { | |
f4e57597 | 384 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
385 | header_->update(); |
386 | viewport_->update(); | |
387 | } | |
388 | ||
3e769a37 JH |
389 | unsigned int View::depth() const |
390 | { | |
391 | return 0; | |
392 | } | |
393 | ||
d001f416 | 394 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
395 | { |
396 | return tick_prefix_; | |
397 | } | |
398 | ||
4b0af0b6 JS |
399 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
400 | { | |
401 | if (tick_prefix_ != tick_prefix) { | |
402 | tick_prefix_ = tick_prefix; | |
403 | Q_EMIT tick_prefix_changed(); | |
404 | } | |
405 | } | |
406 | ||
d40f4db7 SA |
407 | unsigned int View::tick_precision() const |
408 | { | |
409 | return tick_precision_; | |
410 | } | |
411 | ||
4b0af0b6 JS |
412 | void View::set_tick_precision(unsigned tick_precision) |
413 | { | |
414 | if (tick_precision_ != tick_precision) { | |
415 | tick_precision_ = tick_precision; | |
416 | Q_EMIT tick_precision_changed(); | |
417 | } | |
418 | } | |
419 | ||
c677193d | 420 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
421 | { |
422 | return tick_period_; | |
423 | } | |
424 | ||
c677193d | 425 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
426 | { |
427 | if (tick_period_ != tick_period) { | |
428 | tick_period_ = tick_period; | |
429 | Q_EMIT tick_period_changed(); | |
430 | } | |
431 | } | |
432 | ||
ef454ad5 SA |
433 | TimeUnit View::time_unit() const |
434 | { | |
435 | return time_unit_; | |
436 | } | |
437 | ||
4b0af0b6 JS |
438 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
439 | { | |
440 | if (time_unit_ != time_unit) { | |
441 | time_unit_ = time_unit; | |
442 | Q_EMIT time_unit_changed(); | |
443 | } | |
444 | } | |
445 | ||
cdf7bea7 | 446 | void View::zoom(double steps) |
adb4b10c | 447 | { |
8dbbc7f0 | 448 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
449 | } |
450 | ||
17c0f398 JH |
451 | void View::zoom(double steps, int offset) |
452 | { | |
8dbbc7f0 | 453 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
454 | } |
455 | ||
ce11b2ea | 456 | void View::zoom_fit(bool gui_state) |
ca46b534 | 457 | { |
ce11b2ea SA |
458 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
459 | if (session_.get_capture_state() == Session::Stopped) { | |
460 | always_zoom_to_fit_ = false; | |
461 | always_zoom_to_fit_changed(false); | |
462 | } else { | |
463 | always_zoom_to_fit_ = gui_state; | |
464 | always_zoom_to_fit_changed(gui_state); | |
465 | } | |
466 | ||
60d9b99a JS |
467 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
468 | const Timestamp delta = extents.second - extents.first; | |
469 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
470 | return; |
471 | ||
8dbbc7f0 JH |
472 | assert(viewport_); |
473 | const int w = viewport_->width(); | |
ca46b534 JH |
474 | if (w <= 0) |
475 | return; | |
476 | ||
60d9b99a JS |
477 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
478 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
479 | } |
480 | ||
d1e7d82c JH |
481 | void View::zoom_one_to_one() |
482 | { | |
483 | using pv::data::SignalData; | |
484 | ||
d1e7d82c | 485 | // Make a set of all the visible data objects |
0fc664a9 | 486 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
487 | if (visible_data.empty()) |
488 | return; | |
489 | ||
8dbbc7f0 JH |
490 | assert(viewport_); |
491 | const int w = viewport_->width(); | |
d1e7d82c JH |
492 | if (w <= 0) |
493 | return; | |
494 | ||
2220e942 | 495 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
496 | } |
497 | ||
60d9b99a | 498 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 499 | { |
ce11b2ea SA |
500 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
501 | // and user drags the viewport | |
c7b03d9d | 502 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
503 | (session_.get_capture_state() == Session::Running)) { |
504 | ||
505 | if (sticky_scrolling_) { | |
506 | sticky_scrolling_ = false; | |
507 | sticky_scrolling_changed(false); | |
508 | } | |
509 | ||
510 | if (always_zoom_to_fit_) { | |
511 | always_zoom_to_fit_ = false; | |
512 | always_zoom_to_fit_changed(false); | |
513 | } | |
c7b03d9d SA |
514 | } |
515 | ||
4b0af0b6 JS |
516 | set_scale(scale); |
517 | set_offset(offset); | |
ccdd3ef5 | 518 | |
361c560e JH |
519 | calculate_tick_spacing(); |
520 | ||
adb4b10c | 521 | update_scroll(); |
8dbbc7f0 | 522 | ruler_->update(); |
8dbbc7f0 | 523 | viewport_->update(); |
adb4b10c JH |
524 | } |
525 | ||
1bc6525b JH |
526 | set< shared_ptr<SignalData> > View::get_visible_data() const |
527 | { | |
1bc6525b JH |
528 | // Make a set of all the visible data objects |
529 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 530 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
531 | if (sig->enabled()) |
532 | visible_data.insert(sig->data()); | |
533 | ||
534 | return visible_data; | |
535 | } | |
536 | ||
60d9b99a | 537 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 538 | { |
60d9b99a | 539 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 540 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 541 | for (const shared_ptr<SignalData> d : visible_data) { |
f3d66e52 JH |
542 | const vector< shared_ptr<Segment> > segments = |
543 | d->segments(); | |
544 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
545 | double samplerate = s->samplerate(); |
546 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
547 | ||
60d9b99a JS |
548 | const Timestamp start_time = s->start_time(); |
549 | left_time = left_time ? | |
550 | min(*left_time, start_time) : | |
551 | start_time; | |
552 | right_time = right_time ? | |
553 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
554 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 555 | } |
1bc6525b JH |
556 | } |
557 | ||
60d9b99a JS |
558 | if (!left_time || !right_time) |
559 | return make_pair(0, 0); | |
7f4038d6 | 560 | |
60d9b99a JS |
561 | assert(*left_time < *right_time); |
562 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
563 | } |
564 | ||
c7b03d9d SA |
565 | void View::enable_sticky_scrolling(bool state) |
566 | { | |
567 | sticky_scrolling_ = state; | |
568 | } | |
569 | ||
9eae6de4 PET |
570 | void View::toggle_sticky_scrolling(void) |
571 | { | |
572 | sticky_scrolling_ = !sticky_scrolling_; | |
573 | } | |
574 | ||
574c568d SA |
575 | void View::enable_coloured_bg(bool state) |
576 | { | |
577 | const vector<shared_ptr<TraceTreeItem>> items( | |
578 | list_by_type<TraceTreeItem>()); | |
579 | ||
580 | for (shared_ptr<TraceTreeItem> i : items) { | |
581 | // Can't cast to Trace because it's abstract, so we need to | |
582 | // check for any derived classes individually | |
583 | ||
584 | shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i); | |
585 | if (a) | |
586 | a->set_coloured_bg(state); | |
587 | ||
588 | shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i); | |
589 | if (l) | |
590 | l->set_coloured_bg(state); | |
591 | ||
dcfe0a01 | 592 | #ifdef ENABLE_DECODE |
574c568d SA |
593 | shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i); |
594 | if (d) | |
595 | d->set_coloured_bg(state); | |
dcfe0a01 | 596 | #endif |
574c568d SA |
597 | } |
598 | ||
599 | viewport_->update(); | |
600 | } | |
601 | ||
f76af637 JH |
602 | bool View::cursors_shown() const |
603 | { | |
8dbbc7f0 | 604 | return show_cursors_; |
f76af637 JH |
605 | } |
606 | ||
607 | void View::show_cursors(bool show) | |
608 | { | |
8dbbc7f0 | 609 | show_cursors_ = show; |
819e2e95 | 610 | ruler_->update(); |
8dbbc7f0 | 611 | viewport_->update(); |
f76af637 JH |
612 | } |
613 | ||
b4d91e56 JH |
614 | void View::centre_cursors() |
615 | { | |
8dbbc7f0 | 616 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
617 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
618 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 619 | ruler_->update(); |
8dbbc7f0 | 620 | viewport_->update(); |
b4d91e56 JH |
621 | } |
622 | ||
5c5ce757 | 623 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 624 | { |
8dbbc7f0 | 625 | return cursors_; |
58864c5c JH |
626 | } |
627 | ||
60d9b99a | 628 | void View::add_flag(const Timestamp& time) |
8914fe79 JH |
629 | { |
630 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
631 | QString("%1").arg(next_flag_text_)))); | |
48257a69 | 632 | |
8914fe79 JH |
633 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
634 | (next_flag_text_ + 1); | |
48257a69 | 635 | |
8914fe79 JH |
636 | time_item_appearance_changed(true, true); |
637 | } | |
638 | ||
639 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
640 | { | |
641 | flags_.remove(flag); | |
642 | time_item_appearance_changed(true, true); | |
643 | } | |
644 | ||
645 | vector< std::shared_ptr<Flag> > View::flags() const | |
646 | { | |
647 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
648 | stable_sort(flags.begin(), flags.end(), | |
649 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
650 | return a->time() < b->time(); | |
651 | }); | |
652 | ||
653 | return flags; | |
654 | } | |
655 | ||
cbd80f64 JH |
656 | const QPoint& View::hover_point() const |
657 | { | |
8dbbc7f0 | 658 | return hover_point_; |
cbd80f64 JH |
659 | } |
660 | ||
af503b10 | 661 | void View::restack_all_trace_tree_items() |
7ff0145f | 662 | { |
873cbed0 | 663 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
664 | const vector<shared_ptr<TraceTreeItem>> items( |
665 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 666 | set< TraceTreeItemOwner* > owners; |
cc88566c | 667 | for (const auto &r : items) |
4800cf9a | 668 | owners.insert(r->owner()); |
af503b10 | 669 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 670 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 671 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
672 | return a->depth() > b->depth(); }); |
673 | ||
674 | // Restack the items recursively | |
675 | for (auto &o : sorted_owners) | |
676 | o->restack_items(); | |
677 | ||
ac0708fb SA |
678 | // Re-assign background colors |
679 | bool next_bgcolour_state = 0; | |
680 | ||
681 | for (auto &o : sorted_owners) | |
682 | next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); | |
683 | ||
7ff0145f | 684 | // Animate the items to their destination |
cef5997e JH |
685 | for (const auto &i : items) |
686 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
687 | } |
688 | ||
48257a69 SA |
689 | void View::trigger_event(util::Timestamp location) |
690 | { | |
92ff2b60 TS |
691 | trigger_markers_.push_back(shared_ptr<TriggerMarker>( |
692 | new TriggerMarker(*this, location))); | |
48257a69 SA |
693 | } |
694 | ||
60d9b99a | 695 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 696 | { |
60d9b99a JS |
697 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
698 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 699 | offset = offset_ / scale_; |
f25770e2 JH |
700 | } |
701 | ||
d1e7d82c JH |
702 | void View::set_zoom(double scale, int offset) |
703 | { | |
ce11b2ea SA |
704 | // Reset the "always zoom to fit" feature as the user changed the zoom |
705 | always_zoom_to_fit_ = false; | |
706 | always_zoom_to_fit_changed(false); | |
707 | ||
60d9b99a JS |
708 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
709 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
710 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
711 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
712 | } |
713 | ||
361c560e JH |
714 | void View::calculate_tick_spacing() |
715 | { | |
8a1bc087 | 716 | const double SpacingIncrement = 10.0f; |
8a463dbc | 717 | const double MinValueSpacing = 40.0f; |
361c560e | 718 | |
1e124d4b SA |
719 | // Figure out the highest numeric value visible on a label |
720 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 721 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
722 | fabs(offset_ + scale_ * areaSize.width())); |
723 | ||
d40f4db7 SA |
724 | double min_width = SpacingIncrement; |
725 | double label_width, tick_period_width; | |
361c560e JH |
726 | |
727 | QFontMetrics m(QApplication::font()); | |
728 | ||
adb3831e JS |
729 | // Copies of the member variables with the same name, used in the calculation |
730 | // and written back afterwards, so that we don't emit signals all the time | |
731 | // during the calculation. | |
732 | pv::util::Timestamp tick_period = tick_period_; | |
733 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
734 | unsigned tick_precision = tick_precision_; | |
735 | ||
361c560e JH |
736 | do { |
737 | const double min_period = scale_ * min_width; | |
738 | ||
739 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
740 | const pv::util::Timestamp order_decimal = |
741 | pow(pv::util::Timestamp(10), order); | |
361c560e | 742 | |
8a1bc087 SA |
743 | // Allow for a margin of error so that a scale unit of 1 can be used. |
744 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
745 | // the min_period by a small amount - and thus skipped in favor of 2. | |
746 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
747 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
748 | double tp_with_margin; | |
361c560e JH |
749 | unsigned int unit = 0; |
750 | ||
751 | do { | |
c677193d JS |
752 | tp_with_margin = order_decimal.convert_to<double>() * |
753 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 754 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 755 | |
adb3831e JS |
756 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
757 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
758 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 759 | |
d40f4db7 SA |
760 | // Precision is the number of fractional digits required, not |
761 | // taking the prefix into account (and it must never be negative) | |
adb3831e | 762 | tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 763 | |
adb3831e | 764 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 765 | |
3ccf0f7f JS |
766 | const QString label_text = Ruler::format_time_with_distance( |
767 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
768 | |
769 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
770 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
771 | MinValueSpacing; |
772 | ||
773 | min_width += SpacingIncrement; | |
d40f4db7 | 774 | } while (tick_period_width < label_width); |
adb3831e JS |
775 | |
776 | set_tick_period(tick_period); | |
777 | set_tick_prefix(tick_prefix); | |
778 | set_tick_precision(tick_precision); | |
361c560e JH |
779 | } |
780 | ||
cdf7bea7 | 781 | void View::update_scroll() |
adb4b10c | 782 | { |
8dbbc7f0 | 783 | assert(viewport_); |
f4e57597 SA |
784 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
785 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 786 | |
8dbbc7f0 | 787 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
788 | |
789 | // Set the horizontal scroll bar | |
60d9b99a JS |
790 | double length = 0; |
791 | Timestamp offset; | |
f25770e2 JH |
792 | get_scroll_layout(length, offset); |
793 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 794 | |
c677193d | 795 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 796 | |
f4e57597 SA |
797 | hscrollbar->setPageStep(areaSize.width() / 2); |
798 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 799 | |
8dbbc7f0 | 800 | updating_scroll_ = true; |
528bd8a1 | 801 | |
333d5bbc | 802 | if (length < MaxScrollValue) { |
f4e57597 SA |
803 | hscrollbar->setRange(0, length); |
804 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 805 | } else { |
f4e57597 SA |
806 | hscrollbar->setRange(0, MaxScrollValue); |
807 | hscrollbar->setSliderPosition( | |
60d9b99a | 808 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 809 | } |
adb4b10c | 810 | |
8dbbc7f0 | 811 | updating_scroll_ = false; |
528bd8a1 | 812 | |
adb4b10c | 813 | // Set the vertical scrollbar |
f4e57597 SA |
814 | vscrollbar->setPageStep(areaSize.height()); |
815 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
816 | |
817 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
818 | |
819 | // Don't change the scrollbar range if there are no traces | |
820 | if (extents.first != extents.second) | |
f4e57597 | 821 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
822 | extents.second); |
823 | ||
e62bee73 | 824 | if (scroll_needs_defaults_) |
925763b0 SA |
825 | set_scroll_default(); |
826 | } | |
827 | ||
828 | void View::reset_scroll() | |
829 | { | |
f4e57597 | 830 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
831 | } |
832 | ||
833 | void View::set_scroll_default() | |
834 | { | |
835 | assert(viewport_); | |
836 | ||
837 | const QSize areaSize = viewport_->size(); | |
838 | ||
925763b0 SA |
839 | const pair<int, int> extents = v_extents(); |
840 | const int trace_height = extents.second - extents.first; | |
841 | ||
842 | // Do all traces fit in the view? | |
843 | if (areaSize.height() >= trace_height) | |
844 | // Center all traces vertically | |
845 | set_v_offset(extents.first - | |
846 | ((areaSize.height() - trace_height) / 2)); | |
847 | else | |
848 | // Put the first trace at the top, letting the bottom ones overflow | |
849 | set_v_offset(extents.first); | |
66e4eae9 SA |
850 | |
851 | // If we're not sure whether setting the defaults worked as | |
852 | // the window wasn't set up entirely yet, we want to be called | |
853 | // again later to make sure | |
854 | scroll_needs_defaults_ = !size_finalized_; | |
adb4b10c JH |
855 | } |
856 | ||
d7c0ca4a JH |
857 | void View::update_layout() |
858 | { | |
f4e57597 SA |
859 | scrollarea_.setViewportMargins( |
860 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
861 | ruler_->sizeHint().height(), 0, 0); |
862 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 863 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 864 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 865 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
866 | update_scroll(); |
867 | } | |
868 | ||
af503b10 | 869 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 870 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 871 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 872 | &signal_map) |
448a72cf | 873 | { |
cf124e47 | 874 | assert(group); |
448a72cf | 875 | |
af503b10 JH |
876 | unordered_set<TraceTreeItemOwner*> owners; |
877 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 878 | |
cf124e47 JH |
879 | // Make a set and a list of all the owners |
880 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
881 | for (auto entry : signal_map) { |
882 | if (entry.first->channel() == channel) { | |
883 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
884 | owner_list.push_back(o); | |
885 | owners.insert(o); | |
886 | } | |
887 | } | |
cf124e47 | 888 | } |
448a72cf | 889 | |
cf124e47 JH |
890 | // Iterate through the list of owners, and find the most prevalent |
891 | size_t max_prevalence = 0; | |
af503b10 JH |
892 | TraceTreeItemOwner *prevalent_owner = nullptr; |
893 | for (TraceTreeItemOwner *owner : owners) { | |
cf124e47 JH |
894 | const size_t prevalence = std::count_if( |
895 | owner_list.begin(), owner_list.end(), | |
af503b10 | 896 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
897 | if (prevalence > max_prevalence) { |
898 | max_prevalence = prevalence; | |
899 | prevalent_owner = owner; | |
900 | } | |
448a72cf JH |
901 | } |
902 | ||
cf124e47 | 903 | return prevalent_owner; |
448a72cf JH |
904 | } |
905 | ||
cf124e47 JH |
906 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
907 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 908 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
909 | &signal_map, |
910 | set< shared_ptr<Trace> > &add_list) | |
911 | { | |
912 | vector< shared_ptr<Trace> > filtered_traces; | |
913 | ||
2ad82c2e | 914 | for (const auto &channel : channels) { |
bf0edd2b SA |
915 | for (auto entry : signal_map) { |
916 | if (entry.first->channel() == channel) { | |
917 | shared_ptr<Trace> trace = entry.second; | |
918 | const auto list_iter = add_list.find(trace); | |
919 | if (list_iter == add_list.end()) | |
920 | continue; | |
921 | ||
922 | filtered_traces.push_back(trace); | |
923 | add_list.erase(list_iter); | |
924 | } | |
925 | } | |
cf124e47 JH |
926 | } |
927 | ||
928 | return filtered_traces; | |
448a72cf JH |
929 | } |
930 | ||
ef454ad5 SA |
931 | void View::determine_time_unit() |
932 | { | |
7ee199a7 | 933 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 934 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 935 | // Check all signals but... |
47e9e7bb | 936 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
937 | const shared_ptr<SignalData> data = signal->data(); |
938 | ||
939 | // ...only check first segment of each | |
940 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
941 | if (!segments.empty()) | |
942 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 943 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
944 | break; |
945 | } | |
946 | } | |
ef454ad5 SA |
947 | } |
948 | } | |
949 | ||
cbd80f64 JH |
950 | bool View::eventFilter(QObject *object, QEvent *event) |
951 | { | |
952 | const QEvent::Type type = event->type(); | |
333d5bbc | 953 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
954 | |
955 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
956 | if (object == viewport_) |
957 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 958 | else if (object == ruler_) |
8dbbc7f0 JH |
959 | hover_point_ = QPoint(mouse_event->x(), 0); |
960 | else if (object == header_) | |
961 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 962 | else |
8dbbc7f0 | 963 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
964 | |
965 | hover_point_changed(); | |
966 | ||
333d5bbc | 967 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 968 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
969 | hover_point_changed(); |
970 | } | |
971 | ||
972 | return QObject::eventFilter(object, event); | |
973 | } | |
974 | ||
e314eca4 | 975 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 976 | { |
d7c0ca4a | 977 | update_layout(); |
39ab01e7 SA |
978 | |
979 | // This is somewhat of a hack, unfortunately. We cannot use | |
980 | // set_v_offset() from within restore_settings() as the view | |
981 | // at that point is neither visible nor properly sized. | |
982 | // This is the least intrusive workaround I could come up | |
ae5f6628 SA |
983 | // with: set the vertical offset (or scroll defaults) when |
984 | // the view is visible and resized to its final size. | |
985 | // Resize events that are sent when the view is not visible | |
986 | // must be ignored as they have wrong sizes, potentially | |
987 | // preventing the v offset from being set successfully. | |
988 | ||
989 | if (isVisible()) | |
990 | size_finalized_ = true; | |
991 | ||
992 | if (size_finalized_ && saved_v_offset_) { | |
39ab01e7 SA |
993 | set_v_offset(saved_v_offset_); |
994 | saved_v_offset_ = 0; | |
995 | } | |
ae5f6628 SA |
996 | |
997 | if (size_finalized_ && scroll_needs_defaults_) | |
998 | set_scroll_default(); | |
adb4b10c JH |
999 | } |
1000 | ||
6e2c3c85 | 1001 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1002 | { |
1003 | if (label) | |
8dbbc7f0 | 1004 | header_->update(); |
32218d3e | 1005 | if (content) |
8dbbc7f0 | 1006 | viewport_->update(); |
32218d3e JH |
1007 | } |
1008 | ||
98cfe4e8 JH |
1009 | void View::time_item_appearance_changed(bool label, bool content) |
1010 | { | |
1011 | if (label) | |
819e2e95 | 1012 | ruler_->update(); |
98cfe4e8 JH |
1013 | if (content) |
1014 | viewport_->update(); | |
1015 | } | |
1016 | ||
32218d3e JH |
1017 | void View::extents_changed(bool horz, bool vert) |
1018 | { | |
8dbbc7f0 | 1019 | sticky_events_ |= |
af503b10 JH |
1020 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1021 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 1022 | lazy_event_handler_.start(); |
32218d3e JH |
1023 | } |
1024 | ||
b16907d3 | 1025 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1026 | { |
8dbbc7f0 | 1027 | if (updating_scroll_) |
528bd8a1 JH |
1028 | return; |
1029 | ||
c7b03d9d SA |
1030 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1031 | // during a running acquisition | |
1032 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1033 | sticky_scrolling_ = false; | |
1034 | sticky_scrolling_changed(false); | |
1035 | } | |
1036 | ||
f4e57597 | 1037 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 1038 | if (range < MaxScrollValue) |
4b0af0b6 | 1039 | set_offset(scale_ * value); |
f25770e2 | 1040 | else { |
60d9b99a JS |
1041 | double length = 0; |
1042 | Timestamp offset; | |
f25770e2 | 1043 | get_scroll_layout(length, offset); |
4b0af0b6 | 1044 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1045 | } |
1046 | ||
8dbbc7f0 | 1047 | ruler_->update(); |
8dbbc7f0 | 1048 | viewport_->update(); |
adb4b10c JH |
1049 | } |
1050 | ||
f8400017 | 1051 | void View::v_scroll_value_changed() |
adb4b10c | 1052 | { |
8dbbc7f0 JH |
1053 | header_->update(); |
1054 | viewport_->update(); | |
adb4b10c JH |
1055 | } |
1056 | ||
69dd2b03 JH |
1057 | void View::signals_changed() |
1058 | { | |
769a79b5 JH |
1059 | using sigrok::Channel; |
1060 | ||
925763b0 SA |
1061 | vector< shared_ptr<Channel> > channels; |
1062 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1063 | |
925763b0 SA |
1064 | // Do we need to set the vertical scrollbar to its default position later? |
1065 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1066 | bool reset_scrollbar = | |
f4e57597 SA |
1067 | (scrollarea_.verticalScrollBar()->minimum() == |
1068 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1069 | |
1070 | if (!session_.device()) { | |
1071 | reset_scroll(); | |
47e9e7bb | 1072 | signals_.clear(); |
925763b0 | 1073 | } else { |
925763b0 | 1074 | sr_dev = session_.device()->device(); |
3b353d67 | 1075 | assert(sr_dev); |
925763b0 SA |
1076 | channels = sr_dev->channels(); |
1077 | } | |
e37e05f7 | 1078 | |
925763b0 | 1079 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1080 | |
cf124e47 JH |
1081 | // Make a list of traces that are being added, and a list of traces |
1082 | // that are being removed | |
364d2155 JH |
1083 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1084 | const set<shared_ptr<Trace>> prev_traces( | |
1085 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1086 | |
47e9e7bb | 1087 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1088 | |
1089 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1090 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1091 | #endif |
1092 | ||
1093 | set< shared_ptr<Trace> > add_traces; | |
1094 | set_difference(traces.begin(), traces.end(), | |
1095 | prev_traces.begin(), prev_traces.end(), | |
1096 | inserter(add_traces, add_traces.begin())); | |
1097 | ||
1098 | set< shared_ptr<Trace> > remove_traces; | |
1099 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1100 | traces.begin(), traces.end(), | |
1101 | inserter(remove_traces, remove_traces.begin())); | |
1102 | ||
1103 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1104 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1105 | signal_map; |
47e9e7bb | 1106 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1107 | signal_map[sig->base()] = sig; |
448a72cf JH |
1108 | |
1109 | // Populate channel groups | |
925763b0 SA |
1110 | if (sr_dev) |
1111 | for (auto entry : sr_dev->channel_groups()) { | |
1112 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1113 | ||
1114 | if (group->channels().size() <= 1) | |
1115 | continue; | |
1116 | ||
1117 | // Find best trace group to add to | |
1118 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1119 | group, signal_map); | |
1120 | ||
1121 | // If there is no trace group, create one | |
1122 | shared_ptr<TraceGroup> new_trace_group; | |
1123 | if (!owner) { | |
1124 | new_trace_group.reset(new TraceGroup()); | |
1125 | owner = new_trace_group.get(); | |
1126 | } | |
1127 | ||
1128 | // Extract traces for the trace group, removing them from | |
1129 | // the add list | |
1130 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1131 | extract_new_traces_for_channels(group->channels(), | |
1132 | signal_map, add_traces); | |
1133 | ||
1134 | // Add the traces to the group | |
1135 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1136 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1137 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1138 | assert(trace); | |
1139 | owner->add_child_item(trace); | |
1140 | ||
1141 | const pair<int, int> extents = trace->v_extents(); | |
1142 | if (trace->enabled()) | |
1143 | offset += -extents.first; | |
1144 | trace->force_to_v_offset(offset); | |
1145 | if (trace->enabled()) | |
1146 | offset += extents.second; | |
1147 | } | |
1148 | ||
7d556523 SA |
1149 | if (new_trace_group) { |
1150 | // Assign proper vertical offsets to each channel in the group | |
1151 | new_trace_group->restack_items(); | |
1152 | ||
1153 | // If this is a new group, enqueue it in the new top level | |
1154 | // items list | |
1155 | if (!new_traces_in_group.empty()) | |
1156 | new_top_level_items.push_back(new_trace_group); | |
1157 | } | |
cf124e47 | 1158 | } |
68b21a71 | 1159 | |
769a79b5 JH |
1160 | // Enqueue the remaining logic channels in a group |
1161 | vector< shared_ptr<Channel> > logic_channels; | |
1162 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1163 | [](const shared_ptr<Channel>& c) { | |
1164 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1165 | |
769a79b5 | 1166 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1167 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1168 | ||
1169 | if (non_grouped_logic_signals.size() > 0) { | |
1170 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1171 | make_shared<TraceGroup>()); | |
1172 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1173 | non_grouped_trace_group->add_child_item(trace); | |
1174 | ||
1175 | non_grouped_trace_group->restack_items(); | |
1176 | new_top_level_items.push_back(non_grouped_trace_group); | |
1177 | } | |
769a79b5 | 1178 | |
cf124e47 JH |
1179 | // Enqueue the remaining channels as free ungrouped traces |
1180 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1181 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1182 | new_top_level_items.insert(new_top_level_items.end(), |
1183 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1184 | ||
1185 | // Enqueue any remaining traces i.e. decode traces | |
1186 | new_top_level_items.insert(new_top_level_items.end(), | |
1187 | add_traces.begin(), add_traces.end()); | |
1188 | ||
1189 | // Remove any removed traces | |
1190 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1191 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1192 | assert(owner); |
1193 | owner->remove_child_item(trace); | |
1194 | } | |
448a72cf | 1195 | |
bc72e51f SA |
1196 | // Remove any empty trace groups |
1197 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1198 | if (group->child_items().size() == 0) { |
bc72e51f | 1199 | remove_child_item(group); |
e28c998e SA |
1200 | group.reset(); |
1201 | } | |
bc72e51f | 1202 | |
cf124e47 | 1203 | // Add and position the pending top levels items |
6644424f | 1204 | int offset = v_extents().second; |
cf124e47 | 1205 | for (auto item : new_top_level_items) { |
8c09273b SA |
1206 | add_child_item(item); |
1207 | ||
d6128866 | 1208 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1209 | const pair<int, int> extents = item->v_extents(); |
1210 | ||
1211 | if (item->enabled()) | |
1212 | offset += -extents.first; | |
d6128866 | 1213 | |
d6128866 | 1214 | item->force_to_v_offset(offset); |
cf124e47 | 1215 | |
cf124e47 | 1216 | if (item->enabled()) |
8c09273b | 1217 | offset += extents.second; |
ef8311a4 JH |
1218 | } |
1219 | ||
a6c1726e | 1220 | update_layout(); |
cf124e47 JH |
1221 | |
1222 | header_->update(); | |
1223 | viewport_->update(); | |
925763b0 SA |
1224 | |
1225 | if (reset_scrollbar) | |
1226 | set_scroll_default(); | |
69dd2b03 JH |
1227 | } |
1228 | ||
7ee199a7 | 1229 | void View::capture_state_updated(int state) |
adb4b10c | 1230 | { |
92ff2b60 | 1231 | if (state == Session::Running) { |
4b0af0b6 | 1232 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1233 | |
92ff2b60 | 1234 | trigger_markers_.clear(); |
90472a51 | 1235 | |
820ce18a SA |
1236 | // Activate "always zoom to fit" if the setting is enabled and we're |
1237 | // the main view of this session (other trace views may be used for | |
1238 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1239 | GlobalSettings settings; |
1240 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1241 | if (is_main_view_ && state) { |
90472a51 SA |
1242 | always_zoom_to_fit_ = true; |
1243 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1244 | } | |
92ff2b60 TS |
1245 | } |
1246 | ||
fd03a279 SA |
1247 | if (state == Session::Stopped) { |
1248 | // After acquisition has stopped we need to re-calculate the ticks once | |
1249 | // as it's otherwise done when the user pans or zooms, which is too late | |
1250 | calculate_tick_spacing(); | |
1251 | ||
1252 | // Reset "always zoom to fit", the acquisition has stopped | |
1253 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1254 | // Perform a final zoom-to-fit before disabling |
1255 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1256 | always_zoom_to_fit_ = false; |
90472a51 | 1257 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1258 | } |
1259 | } | |
7ee199a7 SA |
1260 | } |
1261 | ||
1262 | void View::data_updated() | |
1263 | { | |
ce11b2ea | 1264 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1265 | if (!delayed_view_updater_.isActive()) |
1266 | delayed_view_updater_.start(); | |
1267 | } else { | |
ef454ad5 | 1268 | determine_time_unit(); |
c7b03d9d SA |
1269 | update_scroll(); |
1270 | ruler_->update(); | |
1271 | viewport_->update(); | |
1272 | } | |
1273 | } | |
1274 | ||
1275 | void View::perform_delayed_view_update() | |
1276 | { | |
3906e758 | 1277 | if (always_zoom_to_fit_) { |
ce11b2ea | 1278 | zoom_fit(true); |
3906e758 | 1279 | } else if (sticky_scrolling_) { |
c7b03d9d | 1280 | // Make right side of the view sticky |
60d9b99a JS |
1281 | double length = 0; |
1282 | Timestamp offset; | |
c7b03d9d SA |
1283 | get_scroll_layout(length, offset); |
1284 | ||
1285 | const QSize areaSize = viewport_->size(); | |
1286 | length = max(length - areaSize.width(), 0.0); | |
1287 | ||
4b0af0b6 | 1288 | set_offset(scale_ * length); |
c7b03d9d | 1289 | } |
adb4b10c | 1290 | |
ef454ad5 | 1291 | determine_time_unit(); |
c7b03d9d SA |
1292 | update_scroll(); |
1293 | ruler_->update(); | |
8dbbc7f0 | 1294 | viewport_->update(); |
adb4b10c | 1295 | } |
cdf7bea7 | 1296 | |
32218d3e | 1297 | void View::process_sticky_events() |
d7c0ca4a | 1298 | { |
af503b10 | 1299 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1300 | update_layout(); |
af503b10 JH |
1301 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1302 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1303 | update_scroll(); |
1304 | } | |
32218d3e JH |
1305 | |
1306 | // Clear the sticky events | |
8dbbc7f0 | 1307 | sticky_events_ = 0; |
d7c0ca4a JH |
1308 | } |
1309 | ||
33c62f44 JH |
1310 | void View::on_hover_point_changed() |
1311 | { | |
cc88566c JH |
1312 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1313 | list_by_type<TraceTreeItem>()); | |
1314 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1315 | r->hover_point_changed(); |
33c62f44 JH |
1316 | } |
1317 | ||
f4e57597 SA |
1318 | } // namespace TraceView |
1319 | } // namespace views | |
cdf7bea7 | 1320 | } // namespace pv |