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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; | |
6f925ba9 | 80 | using std::count_if; |
819f4c25 | 81 | using std::deque; |
448a72cf | 82 | using std::dynamic_pointer_cast; |
cf124e47 | 83 | using std::inserter; |
819f4c25 | 84 | using std::list; |
c3a740dd | 85 | using std::lock_guard; |
819f4c25 | 86 | using std::max; |
1bc6525b | 87 | using std::make_pair; |
769a79b5 | 88 | using std::make_shared; |
819f4c25 | 89 | using std::min; |
1bc6525b | 90 | using std::pair; |
819f4c25 | 91 | using std::set; |
cf124e47 | 92 | using std::set_difference; |
f9abf97e | 93 | using std::shared_ptr; |
6f925ba9 | 94 | using std::stringstream; |
448a72cf | 95 | using std::unordered_map; |
7ff0145f | 96 | using std::unordered_set; |
819f4c25 | 97 | using std::vector; |
f9abf97e | 98 | using std::weak_ptr; |
adb4b10c | 99 | |
cdf7bea7 | 100 | namespace pv { |
f4e57597 SA |
101 | namespace views { |
102 | namespace TraceView { | |
adb4b10c | 103 | |
60d9b99a JS |
104 | const Timestamp View::MaxScale("1e9"); |
105 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 106 | |
f25770e2 | 107 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 108 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 109 | |
361c560e JH |
110 | const int View::ScaleUnits[3] = {1, 2, 5}; |
111 | ||
f4e57597 SA |
112 | |
113 | CustomAbstractScrollArea::CustomAbstractScrollArea(QWidget *parent) : | |
114 | QAbstractScrollArea(parent) | |
115 | { | |
116 | } | |
117 | ||
118 | void CustomAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom) | |
119 | { | |
120 | QAbstractScrollArea::setViewportMargins(left, top, right, bottom); | |
121 | } | |
122 | ||
123 | bool CustomAbstractScrollArea::viewportEvent(QEvent *event) | |
124 | { | |
125 | switch (event->type()) { | |
126 | case QEvent::Paint: | |
127 | case QEvent::MouseButtonPress: | |
128 | case QEvent::MouseButtonRelease: | |
129 | case QEvent::MouseButtonDblClick: | |
130 | case QEvent::MouseMove: | |
131 | case QEvent::Wheel: | |
132 | case QEvent::TouchBegin: | |
133 | case QEvent::TouchUpdate: | |
134 | case QEvent::TouchEnd: | |
135 | return false; | |
136 | default: | |
137 | return QAbstractScrollArea::viewportEvent(event); | |
138 | } | |
139 | } | |
140 | ||
143d322d SA |
141 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
142 | ViewBase(session, is_main_view, parent), | |
8dbbc7f0 JH |
143 | viewport_(new Viewport(*this)), |
144 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 145 | header_(new Header(*this)), |
f4e57597 | 146 | scrollarea_(this), |
c0100b55 | 147 | scale_(1e-3), |
8dbbc7f0 | 148 | offset_(0), |
8dbbc7f0 | 149 | updating_scroll_(false), |
c7b03d9d | 150 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 151 | always_zoom_to_fit_(false), |
c677193d | 152 | tick_period_(0), |
d001f416 | 153 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 154 | tick_precision_(0), |
d001f416 | 155 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 156 | show_cursors_(false), |
5c5ce757 | 157 | cursors_(new CursorPair(*this)), |
8914fe79 | 158 | next_flag_text_('A'), |
92ff2b60 | 159 | trigger_markers_(), |
f4203850 | 160 | hover_point_(-1, -1), |
e62bee73 | 161 | scroll_needs_defaults_(false), |
ae5f6628 SA |
162 | saved_v_offset_(0), |
163 | size_finalized_(false) | |
adb4b10c | 164 | { |
24c29d4f SA |
165 | GlobalSettings settings; |
166 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
167 | ||
f4e57597 | 168 | connect(scrollarea_.horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 169 | this, SLOT(h_scroll_value_changed(int))); |
f4e57597 | 170 | connect(scrollarea_.verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 171 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 172 | |
8dbbc7f0 | 173 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
174 | ruler_, SLOT(clear_selection())); |
175 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 176 | header_, SLOT(clear_selection())); |
17348f85 | 177 | |
8dbbc7f0 | 178 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 179 | this, SIGNAL(selection_changed())); |
819e2e95 | 180 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
181 | this, SIGNAL(selection_changed())); |
182 | ||
33c62f44 JH |
183 | connect(this, SIGNAL(hover_point_changed()), |
184 | this, SLOT(on_hover_point_changed())); | |
185 | ||
8dbbc7f0 | 186 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 187 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 188 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 189 | |
c7b03d9d SA |
190 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
191 | this, SLOT(perform_delayed_view_update())); | |
192 | delayed_view_updater_.setSingleShot(true); | |
193 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
194 | ||
f4e57597 SA |
195 | /* To let the scroll area fill up the parent QWidget (this), we need a layout */ |
196 | QHBoxLayout *layout = new QHBoxLayout(this); | |
197 | setLayout(layout); | |
198 | layout->setContentsMargins(0, 0, 0, 0); | |
199 | layout->addWidget(&scrollarea_); | |
200 | ||
201 | scrollarea_.setViewport(viewport_); | |
cbd80f64 | 202 | |
8dbbc7f0 JH |
203 | viewport_->installEventFilter(this); |
204 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 205 | header_->installEventFilter(this); |
d873f4d6 | 206 | |
9f46d905 JH |
207 | // Trigger the initial event manually. The default device has signals |
208 | // which were created before this object came into being | |
d873f4d6 | 209 | signals_changed(); |
84a0d458 | 210 | |
512bfc56 | 211 | // make sure the transparent widgets are on the top |
819e2e95 | 212 | ruler_->raise(); |
8dbbc7f0 | 213 | header_->raise(); |
361c560e JH |
214 | |
215 | // Update the zoom state | |
216 | calculate_tick_spacing(); | |
adb4b10c JH |
217 | } |
218 | ||
2b81ae46 | 219 | Session& View::session() |
1d19ef83 | 220 | { |
8dbbc7f0 | 221 | return session_; |
1d19ef83 JH |
222 | } |
223 | ||
2b81ae46 | 224 | const Session& View::session() const |
38eeddea | 225 | { |
8dbbc7f0 | 226 | return session_; |
38eeddea JH |
227 | } |
228 | ||
6f925ba9 | 229 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
230 | { |
231 | return signals_; | |
232 | } | |
233 | ||
234 | void View::clear_signals() | |
235 | { | |
236 | signals_.clear(); | |
237 | } | |
238 | ||
f4e57597 | 239 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb SA |
240 | { |
241 | signals_.insert(signal); | |
242 | } | |
243 | ||
bb7dd726 | 244 | #ifdef ENABLE_DECODE |
f4e57597 | 245 | void View::clear_decode_signals() |
bb7dd726 SA |
246 | { |
247 | decode_traces_.clear(); | |
248 | } | |
249 | ||
f4e57597 | 250 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 251 | { |
f4e57597 SA |
252 | shared_ptr<DecodeTrace> d( |
253 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
254 | decode_traces_.push_back(d); |
255 | } | |
256 | ||
f4e57597 | 257 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
258 | { |
259 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
260 | if ((*i)->base() == signalbase) { | |
261 | decode_traces_.erase(i); | |
262 | signals_changed(); | |
263 | return; | |
264 | } | |
265 | } | |
266 | #endif | |
267 | ||
eae6e30a JH |
268 | View* View::view() |
269 | { | |
270 | return this; | |
271 | } | |
272 | ||
273 | const View* View::view() const | |
274 | { | |
275 | return this; | |
276 | } | |
277 | ||
2ae445ba SA |
278 | Viewport* View::viewport() |
279 | { | |
8dbbc7f0 | 280 | return viewport_; |
2ae445ba SA |
281 | } |
282 | ||
283 | const Viewport* View::viewport() const | |
284 | { | |
8dbbc7f0 | 285 | return viewport_; |
2ae445ba SA |
286 | } |
287 | ||
3a21afa6 SA |
288 | void View::save_settings(QSettings &settings) const |
289 | { | |
290 | settings.setValue("scale", scale_); | |
39ab01e7 SA |
291 | settings.setValue("v_offset", |
292 | scrollarea_.verticalScrollBar()->sliderPosition()); | |
3a21afa6 | 293 | |
6f925ba9 | 294 | stringstream ss; |
3a21afa6 SA |
295 | boost::archive::text_oarchive oa(ss); |
296 | oa << boost::serialization::make_nvp("offset", offset_); | |
297 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
298 | ||
f4e57597 | 299 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
300 | settings.beginGroup(signal->base()->internal_name()); |
301 | signal->save_settings(settings); | |
302 | settings.endGroup(); | |
303 | } | |
304 | } | |
305 | ||
306 | void View::restore_settings(QSettings &settings) | |
307 | { | |
39ab01e7 SA |
308 | // Note: It is assumed that this function is only called once, |
309 | // immediately after restoring a previous session. | |
310 | ||
3a21afa6 SA |
311 | if (settings.contains("scale")) |
312 | set_scale(settings.value("scale").toDouble()); | |
313 | ||
314 | if (settings.contains("offset")) { | |
315 | util::Timestamp offset; | |
6f925ba9 | 316 | stringstream ss; |
3a21afa6 SA |
317 | ss << settings.value("offset").toString().toStdString(); |
318 | ||
319 | boost::archive::text_iarchive ia(ss); | |
320 | ia >> boost::serialization::make_nvp("offset", offset); | |
321 | ||
322 | set_offset(offset); | |
323 | } | |
324 | ||
f4e57597 | 325 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
326 | settings.beginGroup(signal->base()->internal_name()); |
327 | signal->restore_settings(settings); | |
328 | settings.endGroup(); | |
329 | } | |
39ab01e7 SA |
330 | |
331 | if (settings.contains("v_offset")) { | |
332 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
333 | set_v_offset(saved_v_offset_); | |
e62bee73 | 334 | scroll_needs_defaults_ = false; |
39ab01e7 SA |
335 | // Note: see resizeEvent() for additional information |
336 | } | |
3a21afa6 SA |
337 | } |
338 | ||
2496bf45 JH |
339 | vector< shared_ptr<TimeItem> > View::time_items() const |
340 | { | |
8914fe79 JH |
341 | const vector<shared_ptr<Flag>> f(flags()); |
342 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 343 | items.push_back(cursors_); |
5c5ce757 JH |
344 | items.push_back(cursors_->first()); |
345 | items.push_back(cursors_->second()); | |
1a2288a1 | 346 | |
92ff2b60 TS |
347 | for (auto trigger_marker : trigger_markers_) |
348 | items.push_back(trigger_marker); | |
1a2288a1 | 349 | |
2496bf45 JH |
350 | return items; |
351 | } | |
352 | ||
cdf7bea7 | 353 | double View::scale() const |
adb4b10c | 354 | { |
8dbbc7f0 | 355 | return scale_; |
adb4b10c JH |
356 | } |
357 | ||
4b0af0b6 JS |
358 | void View::set_scale(double scale) |
359 | { | |
360 | if (scale_ != scale) { | |
361 | scale_ = scale; | |
362 | Q_EMIT scale_changed(); | |
363 | } | |
364 | } | |
365 | ||
60d9b99a | 366 | const Timestamp& View::offset() const |
adb4b10c | 367 | { |
8dbbc7f0 | 368 | return offset_; |
adb4b10c JH |
369 | } |
370 | ||
4b0af0b6 JS |
371 | void View::set_offset(const pv::util::Timestamp& offset) |
372 | { | |
373 | if (offset_ != offset) { | |
374 | offset_ = offset; | |
375 | Q_EMIT offset_changed(); | |
376 | } | |
377 | } | |
378 | ||
7ff0145f | 379 | int View::owner_visual_v_offset() const |
adb4b10c | 380 | { |
f4e57597 | 381 | return -scrollarea_.verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
382 | } |
383 | ||
4d476647 JH |
384 | void View::set_v_offset(int offset) |
385 | { | |
f4e57597 | 386 | scrollarea_.verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
387 | header_->update(); |
388 | viewport_->update(); | |
389 | } | |
390 | ||
3e769a37 JH |
391 | unsigned int View::depth() const |
392 | { | |
393 | return 0; | |
394 | } | |
395 | ||
d001f416 | 396 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
397 | { |
398 | return tick_prefix_; | |
399 | } | |
400 | ||
4b0af0b6 JS |
401 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
402 | { | |
403 | if (tick_prefix_ != tick_prefix) { | |
404 | tick_prefix_ = tick_prefix; | |
405 | Q_EMIT tick_prefix_changed(); | |
406 | } | |
407 | } | |
408 | ||
d40f4db7 SA |
409 | unsigned int View::tick_precision() const |
410 | { | |
411 | return tick_precision_; | |
412 | } | |
413 | ||
4b0af0b6 JS |
414 | void View::set_tick_precision(unsigned tick_precision) |
415 | { | |
416 | if (tick_precision_ != tick_precision) { | |
417 | tick_precision_ = tick_precision; | |
418 | Q_EMIT tick_precision_changed(); | |
419 | } | |
420 | } | |
421 | ||
c677193d | 422 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
423 | { |
424 | return tick_period_; | |
425 | } | |
426 | ||
c677193d | 427 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
428 | { |
429 | if (tick_period_ != tick_period) { | |
430 | tick_period_ = tick_period; | |
431 | Q_EMIT tick_period_changed(); | |
432 | } | |
433 | } | |
434 | ||
ef454ad5 SA |
435 | TimeUnit View::time_unit() const |
436 | { | |
437 | return time_unit_; | |
438 | } | |
439 | ||
4b0af0b6 JS |
440 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
441 | { | |
442 | if (time_unit_ != time_unit) { | |
443 | time_unit_ = time_unit; | |
444 | Q_EMIT time_unit_changed(); | |
445 | } | |
446 | } | |
447 | ||
cdf7bea7 | 448 | void View::zoom(double steps) |
adb4b10c | 449 | { |
8dbbc7f0 | 450 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
451 | } |
452 | ||
17c0f398 JH |
453 | void View::zoom(double steps, int offset) |
454 | { | |
8dbbc7f0 | 455 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
456 | } |
457 | ||
ce11b2ea | 458 | void View::zoom_fit(bool gui_state) |
ca46b534 | 459 | { |
ce11b2ea SA |
460 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
461 | if (session_.get_capture_state() == Session::Stopped) { | |
462 | always_zoom_to_fit_ = false; | |
463 | always_zoom_to_fit_changed(false); | |
464 | } else { | |
465 | always_zoom_to_fit_ = gui_state; | |
466 | always_zoom_to_fit_changed(gui_state); | |
467 | } | |
468 | ||
60d9b99a JS |
469 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
470 | const Timestamp delta = extents.second - extents.first; | |
471 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
472 | return; |
473 | ||
8dbbc7f0 JH |
474 | assert(viewport_); |
475 | const int w = viewport_->width(); | |
ca46b534 JH |
476 | if (w <= 0) |
477 | return; | |
478 | ||
60d9b99a JS |
479 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
480 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
481 | } |
482 | ||
d1e7d82c JH |
483 | void View::zoom_one_to_one() |
484 | { | |
485 | using pv::data::SignalData; | |
486 | ||
d1e7d82c | 487 | // Make a set of all the visible data objects |
0fc664a9 | 488 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
489 | if (visible_data.empty()) |
490 | return; | |
491 | ||
8dbbc7f0 JH |
492 | assert(viewport_); |
493 | const int w = viewport_->width(); | |
d1e7d82c JH |
494 | if (w <= 0) |
495 | return; | |
496 | ||
2220e942 | 497 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
498 | } |
499 | ||
60d9b99a | 500 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 501 | { |
ce11b2ea SA |
502 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
503 | // and user drags the viewport | |
c7b03d9d | 504 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
505 | (session_.get_capture_state() == Session::Running)) { |
506 | ||
507 | if (sticky_scrolling_) { | |
508 | sticky_scrolling_ = false; | |
509 | sticky_scrolling_changed(false); | |
510 | } | |
511 | ||
512 | if (always_zoom_to_fit_) { | |
513 | always_zoom_to_fit_ = false; | |
514 | always_zoom_to_fit_changed(false); | |
515 | } | |
c7b03d9d SA |
516 | } |
517 | ||
4b0af0b6 JS |
518 | set_scale(scale); |
519 | set_offset(offset); | |
ccdd3ef5 | 520 | |
361c560e JH |
521 | calculate_tick_spacing(); |
522 | ||
adb4b10c | 523 | update_scroll(); |
8dbbc7f0 | 524 | ruler_->update(); |
8dbbc7f0 | 525 | viewport_->update(); |
adb4b10c JH |
526 | } |
527 | ||
1bc6525b JH |
528 | set< shared_ptr<SignalData> > View::get_visible_data() const |
529 | { | |
1bc6525b JH |
530 | // Make a set of all the visible data objects |
531 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 532 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
533 | if (sig->enabled()) |
534 | visible_data.insert(sig->data()); | |
535 | ||
536 | return visible_data; | |
537 | } | |
538 | ||
60d9b99a | 539 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 540 | { |
60d9b99a | 541 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 542 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 543 | for (const shared_ptr<SignalData> d : visible_data) { |
f3d66e52 JH |
544 | const vector< shared_ptr<Segment> > segments = |
545 | d->segments(); | |
546 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
547 | double samplerate = s->samplerate(); |
548 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
549 | ||
60d9b99a JS |
550 | const Timestamp start_time = s->start_time(); |
551 | left_time = left_time ? | |
552 | min(*left_time, start_time) : | |
553 | start_time; | |
554 | right_time = right_time ? | |
555 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
556 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 557 | } |
1bc6525b JH |
558 | } |
559 | ||
60d9b99a JS |
560 | if (!left_time || !right_time) |
561 | return make_pair(0, 0); | |
7f4038d6 | 562 | |
60d9b99a JS |
563 | assert(*left_time < *right_time); |
564 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
565 | } |
566 | ||
051ba3b3 UH |
567 | void View::enable_show_sampling_points(bool state) |
568 | { | |
569 | (void)state; | |
570 | ||
571 | viewport_->update(); | |
572 | } | |
573 | ||
574c568d SA |
574 | void View::enable_coloured_bg(bool state) |
575 | { | |
576 | const vector<shared_ptr<TraceTreeItem>> items( | |
577 | list_by_type<TraceTreeItem>()); | |
578 | ||
579 | for (shared_ptr<TraceTreeItem> i : items) { | |
580 | // Can't cast to Trace because it's abstract, so we need to | |
581 | // check for any derived classes individually | |
582 | ||
583 | shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i); | |
584 | if (a) | |
585 | a->set_coloured_bg(state); | |
586 | ||
587 | shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i); | |
588 | if (l) | |
589 | l->set_coloured_bg(state); | |
590 | ||
dcfe0a01 | 591 | #ifdef ENABLE_DECODE |
574c568d SA |
592 | shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i); |
593 | if (d) | |
594 | d->set_coloured_bg(state); | |
dcfe0a01 | 595 | #endif |
574c568d SA |
596 | } |
597 | ||
598 | viewport_->update(); | |
599 | } | |
600 | ||
f76af637 JH |
601 | bool View::cursors_shown() const |
602 | { | |
8dbbc7f0 | 603 | return show_cursors_; |
f76af637 JH |
604 | } |
605 | ||
606 | void View::show_cursors(bool show) | |
607 | { | |
8dbbc7f0 | 608 | show_cursors_ = show; |
819e2e95 | 609 | ruler_->update(); |
8dbbc7f0 | 610 | viewport_->update(); |
f76af637 JH |
611 | } |
612 | ||
b4d91e56 JH |
613 | void View::centre_cursors() |
614 | { | |
8dbbc7f0 | 615 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
616 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
617 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 618 | ruler_->update(); |
8dbbc7f0 | 619 | viewport_->update(); |
b4d91e56 JH |
620 | } |
621 | ||
6f925ba9 | 622 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 623 | { |
8dbbc7f0 | 624 | return cursors_; |
58864c5c JH |
625 | } |
626 | ||
60d9b99a | 627 | void View::add_flag(const Timestamp& time) |
8914fe79 | 628 | { |
067bb624 UH |
629 | flags_.push_back(make_shared<Flag>(*this, time, |
630 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 631 | |
8914fe79 JH |
632 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
633 | (next_flag_text_ + 1); | |
48257a69 | 634 | |
8914fe79 JH |
635 | time_item_appearance_changed(true, true); |
636 | } | |
637 | ||
6f925ba9 | 638 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
639 | { |
640 | flags_.remove(flag); | |
641 | time_item_appearance_changed(true, true); | |
642 | } | |
643 | ||
6f925ba9 | 644 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 645 | { |
6f925ba9 | 646 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
647 | stable_sort(flags.begin(), flags.end(), |
648 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
649 | return a->time() < b->time(); | |
650 | }); | |
651 | ||
652 | return flags; | |
653 | } | |
654 | ||
cbd80f64 JH |
655 | const QPoint& View::hover_point() const |
656 | { | |
8dbbc7f0 | 657 | return hover_point_; |
cbd80f64 JH |
658 | } |
659 | ||
af503b10 | 660 | void View::restack_all_trace_tree_items() |
7ff0145f | 661 | { |
873cbed0 | 662 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
663 | const vector<shared_ptr<TraceTreeItem>> items( |
664 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 665 | set< TraceTreeItemOwner* > owners; |
cc88566c | 666 | for (const auto &r : items) |
4800cf9a | 667 | owners.insert(r->owner()); |
af503b10 | 668 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 669 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 670 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
671 | return a->depth() > b->depth(); }); |
672 | ||
673 | // Restack the items recursively | |
674 | for (auto &o : sorted_owners) | |
675 | o->restack_items(); | |
676 | ||
ac0708fb | 677 | // Re-assign background colors |
1f1d55ce | 678 | bool next_bgcolour_state = false; |
ac0708fb SA |
679 | |
680 | for (auto &o : sorted_owners) | |
681 | next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); | |
682 | ||
7ff0145f | 683 | // Animate the items to their destination |
cef5997e JH |
684 | for (const auto &i : items) |
685 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
686 | } |
687 | ||
48257a69 SA |
688 | void View::trigger_event(util::Timestamp location) |
689 | { | |
067bb624 | 690 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
691 | } |
692 | ||
60d9b99a | 693 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 694 | { |
60d9b99a JS |
695 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
696 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 697 | offset = offset_ / scale_; |
f25770e2 JH |
698 | } |
699 | ||
d1e7d82c JH |
700 | void View::set_zoom(double scale, int offset) |
701 | { | |
ce11b2ea SA |
702 | // Reset the "always zoom to fit" feature as the user changed the zoom |
703 | always_zoom_to_fit_ = false; | |
704 | always_zoom_to_fit_changed(false); | |
705 | ||
60d9b99a JS |
706 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
707 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
708 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
709 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
710 | } |
711 | ||
361c560e JH |
712 | void View::calculate_tick_spacing() |
713 | { | |
8a1bc087 | 714 | const double SpacingIncrement = 10.0f; |
8a463dbc | 715 | const double MinValueSpacing = 40.0f; |
361c560e | 716 | |
1e124d4b SA |
717 | // Figure out the highest numeric value visible on a label |
718 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 719 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
720 | fabs(offset_ + scale_ * areaSize.width())); |
721 | ||
d40f4db7 SA |
722 | double min_width = SpacingIncrement; |
723 | double label_width, tick_period_width; | |
361c560e JH |
724 | |
725 | QFontMetrics m(QApplication::font()); | |
726 | ||
adb3831e JS |
727 | // Copies of the member variables with the same name, used in the calculation |
728 | // and written back afterwards, so that we don't emit signals all the time | |
729 | // during the calculation. | |
730 | pv::util::Timestamp tick_period = tick_period_; | |
731 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
732 | unsigned tick_precision = tick_precision_; | |
733 | ||
361c560e JH |
734 | do { |
735 | const double min_period = scale_ * min_width; | |
736 | ||
737 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
738 | const pv::util::Timestamp order_decimal = |
739 | pow(pv::util::Timestamp(10), order); | |
361c560e | 740 | |
8a1bc087 SA |
741 | // Allow for a margin of error so that a scale unit of 1 can be used. |
742 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
743 | // the min_period by a small amount - and thus skipped in favor of 2. | |
744 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
745 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
746 | double tp_with_margin; | |
361c560e JH |
747 | unsigned int unit = 0; |
748 | ||
749 | do { | |
c677193d JS |
750 | tp_with_margin = order_decimal.convert_to<double>() * |
751 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 752 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 753 | |
adb3831e JS |
754 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
755 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
756 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 757 | |
d40f4db7 SA |
758 | // Precision is the number of fractional digits required, not |
759 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 760 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 761 | |
adb3831e | 762 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 763 | |
3ccf0f7f JS |
764 | const QString label_text = Ruler::format_time_with_distance( |
765 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
766 | |
767 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
768 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
769 | MinValueSpacing; |
770 | ||
771 | min_width += SpacingIncrement; | |
d40f4db7 | 772 | } while (tick_period_width < label_width); |
adb3831e JS |
773 | |
774 | set_tick_period(tick_period); | |
775 | set_tick_prefix(tick_prefix); | |
776 | set_tick_precision(tick_precision); | |
361c560e JH |
777 | } |
778 | ||
cdf7bea7 | 779 | void View::update_scroll() |
adb4b10c | 780 | { |
8dbbc7f0 | 781 | assert(viewport_); |
f4e57597 SA |
782 | QScrollBar *hscrollbar = scrollarea_.horizontalScrollBar(); |
783 | QScrollBar *vscrollbar = scrollarea_.verticalScrollBar(); | |
adb4b10c | 784 | |
8dbbc7f0 | 785 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
786 | |
787 | // Set the horizontal scroll bar | |
60d9b99a JS |
788 | double length = 0; |
789 | Timestamp offset; | |
f25770e2 JH |
790 | get_scroll_layout(length, offset); |
791 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 792 | |
c677193d | 793 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 794 | |
f4e57597 SA |
795 | hscrollbar->setPageStep(areaSize.width() / 2); |
796 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 797 | |
8dbbc7f0 | 798 | updating_scroll_ = true; |
528bd8a1 | 799 | |
333d5bbc | 800 | if (length < MaxScrollValue) { |
f4e57597 SA |
801 | hscrollbar->setRange(0, length); |
802 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 803 | } else { |
f4e57597 SA |
804 | hscrollbar->setRange(0, MaxScrollValue); |
805 | hscrollbar->setSliderPosition( | |
60d9b99a | 806 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 807 | } |
adb4b10c | 808 | |
8dbbc7f0 | 809 | updating_scroll_ = false; |
528bd8a1 | 810 | |
adb4b10c | 811 | // Set the vertical scrollbar |
f4e57597 SA |
812 | vscrollbar->setPageStep(areaSize.height()); |
813 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
814 | |
815 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
816 | |
817 | // Don't change the scrollbar range if there are no traces | |
818 | if (extents.first != extents.second) | |
f4e57597 | 819 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
820 | extents.second); |
821 | ||
e62bee73 | 822 | if (scroll_needs_defaults_) |
925763b0 SA |
823 | set_scroll_default(); |
824 | } | |
825 | ||
826 | void View::reset_scroll() | |
827 | { | |
f4e57597 | 828 | scrollarea_.verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
829 | } |
830 | ||
831 | void View::set_scroll_default() | |
832 | { | |
833 | assert(viewport_); | |
834 | ||
835 | const QSize areaSize = viewport_->size(); | |
836 | ||
925763b0 SA |
837 | const pair<int, int> extents = v_extents(); |
838 | const int trace_height = extents.second - extents.first; | |
839 | ||
840 | // Do all traces fit in the view? | |
841 | if (areaSize.height() >= trace_height) | |
842 | // Center all traces vertically | |
843 | set_v_offset(extents.first - | |
844 | ((areaSize.height() - trace_height) / 2)); | |
845 | else | |
846 | // Put the first trace at the top, letting the bottom ones overflow | |
847 | set_v_offset(extents.first); | |
66e4eae9 SA |
848 | |
849 | // If we're not sure whether setting the defaults worked as | |
850 | // the window wasn't set up entirely yet, we want to be called | |
851 | // again later to make sure | |
852 | scroll_needs_defaults_ = !size_finalized_; | |
adb4b10c JH |
853 | } |
854 | ||
d7c0ca4a JH |
855 | void View::update_layout() |
856 | { | |
f4e57597 SA |
857 | scrollarea_.setViewportMargins( |
858 | header_->sizeHint().width() - Header::BaselineOffset, | |
8dbbc7f0 JH |
859 | ruler_->sizeHint().height(), 0, 0); |
860 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 861 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 862 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 863 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
864 | update_scroll(); |
865 | } | |
866 | ||
af503b10 | 867 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 868 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 869 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 870 | &signal_map) |
448a72cf | 871 | { |
cf124e47 | 872 | assert(group); |
448a72cf | 873 | |
af503b10 JH |
874 | unordered_set<TraceTreeItemOwner*> owners; |
875 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 876 | |
cf124e47 JH |
877 | // Make a set and a list of all the owners |
878 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
879 | for (auto entry : signal_map) { |
880 | if (entry.first->channel() == channel) { | |
881 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
882 | owner_list.push_back(o); | |
883 | owners.insert(o); | |
884 | } | |
885 | } | |
cf124e47 | 886 | } |
448a72cf | 887 | |
cf124e47 JH |
888 | // Iterate through the list of owners, and find the most prevalent |
889 | size_t max_prevalence = 0; | |
af503b10 JH |
890 | TraceTreeItemOwner *prevalent_owner = nullptr; |
891 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 892 | const size_t prevalence = count_if( |
cf124e47 | 893 | owner_list.begin(), owner_list.end(), |
af503b10 | 894 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
895 | if (prevalence > max_prevalence) { |
896 | max_prevalence = prevalence; | |
897 | prevalent_owner = owner; | |
898 | } | |
448a72cf JH |
899 | } |
900 | ||
cf124e47 | 901 | return prevalent_owner; |
448a72cf JH |
902 | } |
903 | ||
cf124e47 JH |
904 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
905 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 906 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
907 | &signal_map, |
908 | set< shared_ptr<Trace> > &add_list) | |
909 | { | |
910 | vector< shared_ptr<Trace> > filtered_traces; | |
911 | ||
2ad82c2e | 912 | for (const auto &channel : channels) { |
bf0edd2b SA |
913 | for (auto entry : signal_map) { |
914 | if (entry.first->channel() == channel) { | |
915 | shared_ptr<Trace> trace = entry.second; | |
916 | const auto list_iter = add_list.find(trace); | |
917 | if (list_iter == add_list.end()) | |
918 | continue; | |
919 | ||
920 | filtered_traces.push_back(trace); | |
921 | add_list.erase(list_iter); | |
922 | } | |
923 | } | |
cf124e47 JH |
924 | } |
925 | ||
926 | return filtered_traces; | |
448a72cf JH |
927 | } |
928 | ||
ef454ad5 SA |
929 | void View::determine_time_unit() |
930 | { | |
7ee199a7 | 931 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 932 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 933 | // Check all signals but... |
47e9e7bb | 934 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
935 | const shared_ptr<SignalData> data = signal->data(); |
936 | ||
937 | // ...only check first segment of each | |
938 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
939 | if (!segments.empty()) | |
940 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 941 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
942 | break; |
943 | } | |
944 | } | |
ef454ad5 SA |
945 | } |
946 | } | |
947 | ||
cbd80f64 JH |
948 | bool View::eventFilter(QObject *object, QEvent *event) |
949 | { | |
950 | const QEvent::Type type = event->type(); | |
333d5bbc | 951 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
952 | |
953 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
954 | if (object == viewport_) |
955 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 956 | else if (object == ruler_) |
8dbbc7f0 JH |
957 | hover_point_ = QPoint(mouse_event->x(), 0); |
958 | else if (object == header_) | |
959 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 960 | else |
8dbbc7f0 | 961 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
962 | |
963 | hover_point_changed(); | |
964 | ||
333d5bbc | 965 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 966 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
967 | hover_point_changed(); |
968 | } | |
969 | ||
970 | return QObject::eventFilter(object, event); | |
971 | } | |
972 | ||
e314eca4 | 973 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 974 | { |
d7c0ca4a | 975 | update_layout(); |
39ab01e7 SA |
976 | |
977 | // This is somewhat of a hack, unfortunately. We cannot use | |
978 | // set_v_offset() from within restore_settings() as the view | |
979 | // at that point is neither visible nor properly sized. | |
980 | // This is the least intrusive workaround I could come up | |
ae5f6628 SA |
981 | // with: set the vertical offset (or scroll defaults) when |
982 | // the view is visible and resized to its final size. | |
983 | // Resize events that are sent when the view is not visible | |
984 | // must be ignored as they have wrong sizes, potentially | |
985 | // preventing the v offset from being set successfully. | |
986 | ||
987 | if (isVisible()) | |
988 | size_finalized_ = true; | |
989 | ||
990 | if (size_finalized_ && saved_v_offset_) { | |
39ab01e7 SA |
991 | set_v_offset(saved_v_offset_); |
992 | saved_v_offset_ = 0; | |
993 | } | |
ae5f6628 SA |
994 | |
995 | if (size_finalized_ && scroll_needs_defaults_) | |
996 | set_scroll_default(); | |
adb4b10c JH |
997 | } |
998 | ||
6e2c3c85 | 999 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1000 | { |
1001 | if (label) | |
8dbbc7f0 | 1002 | header_->update(); |
32218d3e | 1003 | if (content) |
8dbbc7f0 | 1004 | viewport_->update(); |
32218d3e JH |
1005 | } |
1006 | ||
98cfe4e8 JH |
1007 | void View::time_item_appearance_changed(bool label, bool content) |
1008 | { | |
1009 | if (label) | |
819e2e95 | 1010 | ruler_->update(); |
98cfe4e8 JH |
1011 | if (content) |
1012 | viewport_->update(); | |
1013 | } | |
1014 | ||
32218d3e JH |
1015 | void View::extents_changed(bool horz, bool vert) |
1016 | { | |
8dbbc7f0 | 1017 | sticky_events_ |= |
af503b10 JH |
1018 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1019 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 1020 | lazy_event_handler_.start(); |
32218d3e JH |
1021 | } |
1022 | ||
b16907d3 | 1023 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1024 | { |
8dbbc7f0 | 1025 | if (updating_scroll_) |
528bd8a1 JH |
1026 | return; |
1027 | ||
c7b03d9d SA |
1028 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1029 | // during a running acquisition | |
1030 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1031 | sticky_scrolling_ = false; | |
1032 | sticky_scrolling_changed(false); | |
1033 | } | |
1034 | ||
f4e57597 | 1035 | const int range = scrollarea_.horizontalScrollBar()->maximum(); |
333d5bbc | 1036 | if (range < MaxScrollValue) |
4b0af0b6 | 1037 | set_offset(scale_ * value); |
f25770e2 | 1038 | else { |
60d9b99a JS |
1039 | double length = 0; |
1040 | Timestamp offset; | |
f25770e2 | 1041 | get_scroll_layout(length, offset); |
4b0af0b6 | 1042 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1043 | } |
1044 | ||
8dbbc7f0 | 1045 | ruler_->update(); |
8dbbc7f0 | 1046 | viewport_->update(); |
adb4b10c JH |
1047 | } |
1048 | ||
f8400017 | 1049 | void View::v_scroll_value_changed() |
adb4b10c | 1050 | { |
8dbbc7f0 JH |
1051 | header_->update(); |
1052 | viewport_->update(); | |
adb4b10c JH |
1053 | } |
1054 | ||
69dd2b03 JH |
1055 | void View::signals_changed() |
1056 | { | |
769a79b5 JH |
1057 | using sigrok::Channel; |
1058 | ||
925763b0 SA |
1059 | vector< shared_ptr<Channel> > channels; |
1060 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1061 | |
925763b0 SA |
1062 | // Do we need to set the vertical scrollbar to its default position later? |
1063 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1064 | bool reset_scrollbar = | |
f4e57597 SA |
1065 | (scrollarea_.verticalScrollBar()->minimum() == |
1066 | scrollarea_.verticalScrollBar()->maximum()); | |
925763b0 SA |
1067 | |
1068 | if (!session_.device()) { | |
1069 | reset_scroll(); | |
47e9e7bb | 1070 | signals_.clear(); |
925763b0 | 1071 | } else { |
925763b0 | 1072 | sr_dev = session_.device()->device(); |
3b353d67 | 1073 | assert(sr_dev); |
925763b0 SA |
1074 | channels = sr_dev->channels(); |
1075 | } | |
e37e05f7 | 1076 | |
925763b0 | 1077 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1078 | |
cf124e47 JH |
1079 | // Make a list of traces that are being added, and a list of traces |
1080 | // that are being removed | |
364d2155 JH |
1081 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1082 | const set<shared_ptr<Trace>> prev_traces( | |
1083 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1084 | |
47e9e7bb | 1085 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1086 | |
1087 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1088 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1089 | #endif |
1090 | ||
1091 | set< shared_ptr<Trace> > add_traces; | |
1092 | set_difference(traces.begin(), traces.end(), | |
1093 | prev_traces.begin(), prev_traces.end(), | |
1094 | inserter(add_traces, add_traces.begin())); | |
1095 | ||
1096 | set< shared_ptr<Trace> > remove_traces; | |
1097 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1098 | traces.begin(), traces.end(), | |
1099 | inserter(remove_traces, remove_traces.begin())); | |
1100 | ||
1101 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1102 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1103 | signal_map; |
47e9e7bb | 1104 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1105 | signal_map[sig->base()] = sig; |
448a72cf JH |
1106 | |
1107 | // Populate channel groups | |
925763b0 SA |
1108 | if (sr_dev) |
1109 | for (auto entry : sr_dev->channel_groups()) { | |
1110 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1111 | ||
1112 | if (group->channels().size() <= 1) | |
1113 | continue; | |
1114 | ||
1115 | // Find best trace group to add to | |
1116 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1117 | group, signal_map); | |
1118 | ||
1119 | // If there is no trace group, create one | |
1120 | shared_ptr<TraceGroup> new_trace_group; | |
1121 | if (!owner) { | |
1122 | new_trace_group.reset(new TraceGroup()); | |
1123 | owner = new_trace_group.get(); | |
1124 | } | |
1125 | ||
1126 | // Extract traces for the trace group, removing them from | |
1127 | // the add list | |
1128 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1129 | extract_new_traces_for_channels(group->channels(), | |
1130 | signal_map, add_traces); | |
1131 | ||
1132 | // Add the traces to the group | |
1133 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1134 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1135 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1136 | assert(trace); | |
1137 | owner->add_child_item(trace); | |
1138 | ||
1139 | const pair<int, int> extents = trace->v_extents(); | |
1140 | if (trace->enabled()) | |
1141 | offset += -extents.first; | |
1142 | trace->force_to_v_offset(offset); | |
1143 | if (trace->enabled()) | |
1144 | offset += extents.second; | |
1145 | } | |
1146 | ||
7d556523 SA |
1147 | if (new_trace_group) { |
1148 | // Assign proper vertical offsets to each channel in the group | |
1149 | new_trace_group->restack_items(); | |
1150 | ||
1151 | // If this is a new group, enqueue it in the new top level | |
1152 | // items list | |
1153 | if (!new_traces_in_group.empty()) | |
1154 | new_top_level_items.push_back(new_trace_group); | |
1155 | } | |
cf124e47 | 1156 | } |
68b21a71 | 1157 | |
769a79b5 JH |
1158 | // Enqueue the remaining logic channels in a group |
1159 | vector< shared_ptr<Channel> > logic_channels; | |
1160 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1161 | [](const shared_ptr<Channel>& c) { | |
1162 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1163 | |
769a79b5 | 1164 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1165 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1166 | ||
1167 | if (non_grouped_logic_signals.size() > 0) { | |
1168 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1169 | make_shared<TraceGroup>()); | |
1170 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1171 | non_grouped_trace_group->add_child_item(trace); | |
1172 | ||
1173 | non_grouped_trace_group->restack_items(); | |
1174 | new_top_level_items.push_back(non_grouped_trace_group); | |
1175 | } | |
769a79b5 | 1176 | |
cf124e47 JH |
1177 | // Enqueue the remaining channels as free ungrouped traces |
1178 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1179 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1180 | new_top_level_items.insert(new_top_level_items.end(), |
1181 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1182 | ||
1183 | // Enqueue any remaining traces i.e. decode traces | |
1184 | new_top_level_items.insert(new_top_level_items.end(), | |
1185 | add_traces.begin(), add_traces.end()); | |
1186 | ||
1187 | // Remove any removed traces | |
1188 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1189 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1190 | assert(owner); |
1191 | owner->remove_child_item(trace); | |
1192 | } | |
448a72cf | 1193 | |
bc72e51f SA |
1194 | // Remove any empty trace groups |
1195 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1196 | if (group->child_items().size() == 0) { |
bc72e51f | 1197 | remove_child_item(group); |
e28c998e SA |
1198 | group.reset(); |
1199 | } | |
bc72e51f | 1200 | |
cf124e47 | 1201 | // Add and position the pending top levels items |
6644424f | 1202 | int offset = v_extents().second; |
cf124e47 | 1203 | for (auto item : new_top_level_items) { |
8c09273b SA |
1204 | add_child_item(item); |
1205 | ||
d6128866 | 1206 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1207 | const pair<int, int> extents = item->v_extents(); |
1208 | ||
1209 | if (item->enabled()) | |
1210 | offset += -extents.first; | |
d6128866 | 1211 | |
d6128866 | 1212 | item->force_to_v_offset(offset); |
cf124e47 | 1213 | |
cf124e47 | 1214 | if (item->enabled()) |
8c09273b | 1215 | offset += extents.second; |
ef8311a4 JH |
1216 | } |
1217 | ||
a6c1726e | 1218 | update_layout(); |
cf124e47 JH |
1219 | |
1220 | header_->update(); | |
1221 | viewport_->update(); | |
925763b0 SA |
1222 | |
1223 | if (reset_scrollbar) | |
1224 | set_scroll_default(); | |
69dd2b03 JH |
1225 | } |
1226 | ||
7ee199a7 | 1227 | void View::capture_state_updated(int state) |
adb4b10c | 1228 | { |
92ff2b60 | 1229 | if (state == Session::Running) { |
4b0af0b6 | 1230 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1231 | |
92ff2b60 | 1232 | trigger_markers_.clear(); |
90472a51 | 1233 | |
820ce18a SA |
1234 | // Activate "always zoom to fit" if the setting is enabled and we're |
1235 | // the main view of this session (other trace views may be used for | |
1236 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1237 | GlobalSettings settings; |
1238 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1239 | if (is_main_view_ && state) { |
90472a51 SA |
1240 | always_zoom_to_fit_ = true; |
1241 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1242 | } | |
9b64f2df SA |
1243 | |
1244 | // Enable sticky scrolling if the setting is enabled | |
1245 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
92ff2b60 TS |
1246 | } |
1247 | ||
fd03a279 SA |
1248 | if (state == Session::Stopped) { |
1249 | // After acquisition has stopped we need to re-calculate the ticks once | |
1250 | // as it's otherwise done when the user pans or zooms, which is too late | |
1251 | calculate_tick_spacing(); | |
1252 | ||
1253 | // Reset "always zoom to fit", the acquisition has stopped | |
1254 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1255 | // Perform a final zoom-to-fit before disabling |
1256 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1257 | always_zoom_to_fit_ = false; |
90472a51 | 1258 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1259 | } |
1260 | } | |
7ee199a7 SA |
1261 | } |
1262 | ||
1263 | void View::data_updated() | |
1264 | { | |
ce11b2ea | 1265 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1266 | if (!delayed_view_updater_.isActive()) |
1267 | delayed_view_updater_.start(); | |
1268 | } else { | |
ef454ad5 | 1269 | determine_time_unit(); |
c7b03d9d SA |
1270 | update_scroll(); |
1271 | ruler_->update(); | |
1272 | viewport_->update(); | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | void View::perform_delayed_view_update() | |
1277 | { | |
3906e758 | 1278 | if (always_zoom_to_fit_) { |
ce11b2ea | 1279 | zoom_fit(true); |
3906e758 | 1280 | } else if (sticky_scrolling_) { |
c7b03d9d | 1281 | // Make right side of the view sticky |
60d9b99a JS |
1282 | double length = 0; |
1283 | Timestamp offset; | |
c7b03d9d SA |
1284 | get_scroll_layout(length, offset); |
1285 | ||
1286 | const QSize areaSize = viewport_->size(); | |
1287 | length = max(length - areaSize.width(), 0.0); | |
1288 | ||
4b0af0b6 | 1289 | set_offset(scale_ * length); |
c7b03d9d | 1290 | } |
adb4b10c | 1291 | |
ef454ad5 | 1292 | determine_time_unit(); |
c7b03d9d SA |
1293 | update_scroll(); |
1294 | ruler_->update(); | |
8dbbc7f0 | 1295 | viewport_->update(); |
adb4b10c | 1296 | } |
cdf7bea7 | 1297 | |
32218d3e | 1298 | void View::process_sticky_events() |
d7c0ca4a | 1299 | { |
af503b10 | 1300 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1301 | update_layout(); |
af503b10 JH |
1302 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1303 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1304 | update_scroll(); |
1305 | } | |
32218d3e JH |
1306 | |
1307 | // Clear the sticky events | |
8dbbc7f0 | 1308 | sticky_events_ = 0; |
d7c0ca4a JH |
1309 | } |
1310 | ||
33c62f44 JH |
1311 | void View::on_hover_point_changed() |
1312 | { | |
cc88566c JH |
1313 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1314 | list_by_type<TraceTreeItem>()); | |
1315 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1316 | r->hover_point_changed(); |
33c62f44 JH |
1317 | } |
1318 | ||
f4e57597 SA |
1319 | } // namespace TraceView |
1320 | } // namespace views | |
cdf7bea7 | 1321 | } // namespace pv |