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Commit | Line | Data |
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adb4b10c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
adb4b10c JH |
3 | * |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
adb4b10c JH |
18 | */ |
19 | ||
269528f5 | 20 | #ifdef ENABLE_DECODE |
4e5a4405 | 21 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 22 | #endif |
4e5a4405 | 23 | |
361c560e JH |
24 | #include <extdef.h> |
25 | ||
cf124e47 | 26 | #include <algorithm> |
c3a740dd JH |
27 | #include <cassert> |
28 | #include <climits> | |
29 | #include <cmath> | |
3a21afa6 | 30 | #include <iostream> |
cf124e47 | 31 | #include <iterator> |
7ff0145f | 32 | #include <unordered_set> |
adb4b10c | 33 | |
3a21afa6 SA |
34 | #include <boost/archive/text_iarchive.hpp> |
35 | #include <boost/archive/text_oarchive.hpp> | |
36 | #include <boost/serialization/serialization.hpp> | |
e71eb81c | 37 | |
361c560e | 38 | #include <QApplication> |
adb4b10c | 39 | #include <QEvent> |
361c560e | 40 | #include <QFontMetrics> |
cbd80f64 | 41 | #include <QMouseEvent> |
adb4b10c | 42 | #include <QScrollBar> |
33094993 | 43 | #include <QVBoxLayout> |
adb4b10c | 44 | |
fe3a1c21 | 45 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 46 | |
574c568d | 47 | #include "analogsignal.hpp" |
2acdb232 JH |
48 | #include "header.hpp" |
49 | #include "logicsignal.hpp" | |
50 | #include "ruler.hpp" | |
51 | #include "signal.hpp" | |
52 | #include "tracegroup.hpp" | |
1a2288a1 | 53 | #include "triggermarker.hpp" |
2acdb232 JH |
54 | #include "view.hpp" |
55 | #include "viewport.hpp" | |
adb4b10c | 56 | |
2acdb232 | 57 | #include "pv/data/logic.hpp" |
f3d66e52 | 58 | #include "pv/data/logicsegment.hpp" |
aca9aa83 UH |
59 | #include "pv/devices/device.hpp" |
60 | #include "pv/globalsettings.hpp" | |
61 | #include "pv/session.hpp" | |
361c560e | 62 | #include "pv/util.hpp" |
adb4b10c | 63 | |
dcfe0a01 SA |
64 | #ifdef ENABLE_DECODE |
65 | #include "decodetrace.hpp" | |
66 | #endif | |
67 | ||
1bc6525b | 68 | using pv::data::SignalData; |
f3d66e52 | 69 | using pv::data::Segment; |
ef454ad5 | 70 | using pv::util::TimeUnit; |
60d9b99a | 71 | using pv::util::Timestamp; |
361c560e | 72 | |
769a79b5 JH |
73 | using std::back_inserter; |
74 | using std::copy_if; | |
6f925ba9 | 75 | using std::count_if; |
cf124e47 | 76 | using std::inserter; |
819f4c25 | 77 | using std::max; |
1bc6525b | 78 | using std::make_pair; |
769a79b5 | 79 | using std::make_shared; |
819f4c25 | 80 | using std::min; |
1bc6525b | 81 | using std::pair; |
819f4c25 | 82 | using std::set; |
cf124e47 | 83 | using std::set_difference; |
f9abf97e | 84 | using std::shared_ptr; |
6f925ba9 | 85 | using std::stringstream; |
448a72cf | 86 | using std::unordered_map; |
7ff0145f | 87 | using std::unordered_set; |
819f4c25 | 88 | using std::vector; |
adb4b10c | 89 | |
cdf7bea7 | 90 | namespace pv { |
f4e57597 | 91 | namespace views { |
1573bf16 | 92 | namespace trace { |
adb4b10c | 93 | |
60d9b99a JS |
94 | const Timestamp View::MaxScale("1e9"); |
95 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 96 | |
f25770e2 JH |
97 | const int View::MaxScrollValue = INT_MAX / 2; |
98 | ||
361c560e JH |
99 | const int View::ScaleUnits[3] = {1, 2, 5}; |
100 | ||
f4e57597 | 101 | |
33094993 | 102 | CustomScrollArea::CustomScrollArea(QWidget *parent) : |
f4e57597 SA |
103 | QAbstractScrollArea(parent) |
104 | { | |
105 | } | |
106 | ||
33094993 | 107 | bool CustomScrollArea::viewportEvent(QEvent *event) |
f4e57597 SA |
108 | { |
109 | switch (event->type()) { | |
110 | case QEvent::Paint: | |
111 | case QEvent::MouseButtonPress: | |
112 | case QEvent::MouseButtonRelease: | |
113 | case QEvent::MouseButtonDblClick: | |
114 | case QEvent::MouseMove: | |
115 | case QEvent::Wheel: | |
116 | case QEvent::TouchBegin: | |
117 | case QEvent::TouchUpdate: | |
118 | case QEvent::TouchEnd: | |
119 | return false; | |
120 | default: | |
121 | return QAbstractScrollArea::viewportEvent(event); | |
122 | } | |
123 | } | |
124 | ||
143d322d SA |
125 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
126 | ViewBase(session, is_main_view, parent), | |
5a206446 SA |
127 | |
128 | // Note: Place defaults in View::reset_view_state(), not here | |
33094993 | 129 | splitter_(new QSplitter()), |
5a206446 SA |
130 | header_was_shrunk_(false), // The splitter remains unchanged after a reset, so this goes here |
131 | sticky_scrolling_(false) // Default setting is set in MainWindow::setup_ui() | |
adb4b10c | 132 | { |
33094993 SA |
133 | QVBoxLayout *root_layout = new QVBoxLayout(this); |
134 | root_layout->setContentsMargins(0, 0, 0, 0); | |
135 | root_layout->addWidget(splitter_); | |
136 | ||
137 | viewport_ = new Viewport(*this); | |
138 | scrollarea_ = new CustomScrollArea(splitter_); | |
139 | scrollarea_->setViewport(viewport_); | |
140 | scrollarea_->setFrameShape(QFrame::NoFrame); | |
141 | ||
142 | ruler_ = new Ruler(*this); | |
143 | ||
144 | header_ = new Header(*this); | |
c1a6513b | 145 | header_->setMinimumWidth(10); // So that the arrow tips show at least |
33094993 SA |
146 | |
147 | // We put the header into a simple layout so that we can add the top margin, | |
148 | // allowing us to make it line up with the bottom of the ruler | |
149 | QWidget *header_container = new QWidget(); | |
150 | header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
151 | QVBoxLayout *header_layout = new QVBoxLayout(header_container); | |
152 | header_layout->setContentsMargins(0, ruler_->sizeHint().height(), 0, 0); | |
153 | header_layout->addWidget(header_); | |
154 | ||
155 | // To let the ruler and scrollarea be on the same split pane, we need a layout | |
156 | QWidget *trace_container = new QWidget(); | |
157 | trace_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
158 | QVBoxLayout *trace_layout = new QVBoxLayout(trace_container); | |
159 | trace_layout->setSpacing(0); // We don't want space between the ruler and scrollarea | |
160 | trace_layout->setContentsMargins(0, 0, 0, 0); | |
161 | trace_layout->addWidget(ruler_); | |
162 | trace_layout->addWidget(scrollarea_); | |
163 | ||
164 | splitter_->addWidget(header_container); | |
165 | splitter_->addWidget(trace_container); | |
166 | splitter_->setHandleWidth(1); // Don't show a visible rubber band | |
167 | splitter_->setCollapsible(0, false); // Prevent the header from collapsing | |
168 | splitter_->setCollapsible(1, false); // Prevent the traces from collapsing | |
1519e0fc SA |
169 | splitter_->setStretchFactor(0, 0); // Prevent the panes from being resized |
170 | splitter_->setStretchFactor(1, 1); // when the entire view is resized | |
33094993 SA |
171 | splitter_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); |
172 | ||
173 | viewport_->installEventFilter(this); | |
174 | ruler_->installEventFilter(this); | |
175 | header_->installEventFilter(this); | |
176 | ||
177 | // Set up settings and event handlers | |
24c29d4f | 178 | GlobalSettings settings; |
641574bc | 179 | colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); |
24c29d4f | 180 | |
d0c0573b | 181 | GlobalSettings::add_change_handler(this); |
451dc5f3 | 182 | |
33094993 | 183 | connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 184 | this, SLOT(h_scroll_value_changed(int))); |
33094993 | 185 | connect(scrollarea_->verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 186 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 187 | |
8dbbc7f0 | 188 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
189 | ruler_, SLOT(clear_selection())); |
190 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 191 | header_, SLOT(clear_selection())); |
17348f85 | 192 | |
8dbbc7f0 | 193 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 194 | this, SIGNAL(selection_changed())); |
819e2e95 | 195 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
196 | this, SIGNAL(selection_changed())); |
197 | ||
e0be5f21 SA |
198 | connect(splitter_, SIGNAL(splitterMoved(int, int)), |
199 | this, SLOT(on_splitter_moved())); | |
200 | ||
8dbbc7f0 | 201 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 202 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 203 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 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 | 212 | |
5a206446 | 213 | reset_view_state(); |
adb4b10c JH |
214 | } |
215 | ||
d0c0573b SA |
216 | View::~View() |
217 | { | |
218 | GlobalSettings::remove_change_handler(this); | |
219 | } | |
220 | ||
5a206446 SA |
221 | void View::reset_view_state() |
222 | { | |
223 | ViewBase::reset_view_state(); | |
224 | ||
225 | segment_display_mode_ = Trace::ShowLastSegmentOnly; | |
226 | segment_selectable_ = false; | |
227 | scale_ = 1e-3; | |
228 | offset_ = 0; | |
229 | ruler_offset_ = 0; | |
230 | updating_scroll_ = false; | |
231 | settings_restored_ = false; | |
232 | always_zoom_to_fit_ = false; | |
233 | tick_period_ = 0; | |
234 | tick_prefix_ = pv::util::SIPrefix::yocto; | |
235 | tick_precision_ = 0; | |
236 | time_unit_ = util::TimeUnit::Time; | |
237 | show_cursors_ = false; | |
238 | cursors_ = make_shared<CursorPair>(*this); | |
239 | next_flag_text_ = 'A'; | |
240 | trigger_markers_.clear(); | |
241 | hover_point_ = QPoint(-1, -1); | |
242 | scroll_needs_defaults_ = true; | |
243 | saved_v_offset_ = 0; | |
244 | scale_at_acq_start_ = 0; | |
245 | offset_at_acq_start_ = 0; | |
246 | suppress_zoom_to_fit_after_acq_ = false; | |
247 | ||
248 | show_cursors_ = false; | |
5a206446 SA |
249 | flags_.clear(); |
250 | ||
251 | // Update the zoom state | |
252 | calculate_tick_spacing(); | |
253 | ||
254 | // Make sure the standard bar's segment selector is in sync | |
255 | set_segment_display_mode(segment_display_mode_); | |
256 | } | |
257 | ||
2b81ae46 | 258 | Session& View::session() |
1d19ef83 | 259 | { |
8dbbc7f0 | 260 | return session_; |
1d19ef83 JH |
261 | } |
262 | ||
2b81ae46 | 263 | const Session& View::session() const |
38eeddea | 264 | { |
8dbbc7f0 | 265 | return session_; |
38eeddea JH |
266 | } |
267 | ||
6f925ba9 | 268 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
269 | { |
270 | return signals_; | |
271 | } | |
272 | ||
273 | void View::clear_signals() | |
274 | { | |
5ed05b69 | 275 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
276 | signals_.clear(); |
277 | } | |
278 | ||
f4e57597 | 279 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 280 | { |
5ed05b69 | 281 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb | 282 | signals_.insert(signal); |
00c518d6 | 283 | |
7daebd05 | 284 | signal->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 285 | signal->set_current_segment(current_segment_); |
7daebd05 | 286 | |
00c518d6 SA |
287 | connect(signal->base().get(), SIGNAL(name_changed(const QString&)), |
288 | this, SLOT(on_signal_name_changed())); | |
47e9e7bb SA |
289 | } |
290 | ||
bb7dd726 | 291 | #ifdef ENABLE_DECODE |
f4e57597 | 292 | void View::clear_decode_signals() |
bb7dd726 SA |
293 | { |
294 | decode_traces_.clear(); | |
295 | } | |
296 | ||
ad908057 | 297 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 | 298 | { |
f4e57597 | 299 | shared_ptr<DecodeTrace> d( |
ad908057 | 300 | new DecodeTrace(session_, signal, decode_traces_.size())); |
bb7dd726 | 301 | decode_traces_.push_back(d); |
00c518d6 | 302 | |
7daebd05 | 303 | d->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 304 | d->set_current_segment(current_segment_); |
7daebd05 | 305 | |
00c518d6 SA |
306 | connect(signal.get(), SIGNAL(name_changed(const QString&)), |
307 | this, SLOT(on_signal_name_changed())); | |
bb7dd726 SA |
308 | } |
309 | ||
ad908057 | 310 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 SA |
311 | { |
312 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
ad908057 | 313 | if ((*i)->base() == signal) { |
bb7dd726 SA |
314 | decode_traces_.erase(i); |
315 | signals_changed(); | |
316 | return; | |
317 | } | |
318 | } | |
319 | #endif | |
320 | ||
eae6e30a JH |
321 | View* View::view() |
322 | { | |
323 | return this; | |
324 | } | |
325 | ||
326 | const View* View::view() const | |
327 | { | |
328 | return this; | |
329 | } | |
330 | ||
2ae445ba SA |
331 | Viewport* View::viewport() |
332 | { | |
8dbbc7f0 | 333 | return viewport_; |
2ae445ba SA |
334 | } |
335 | ||
336 | const Viewport* View::viewport() const | |
337 | { | |
8dbbc7f0 | 338 | return viewport_; |
2ae445ba SA |
339 | } |
340 | ||
3a21afa6 SA |
341 | void View::save_settings(QSettings &settings) const |
342 | { | |
343 | settings.setValue("scale", scale_); | |
39ab01e7 | 344 | settings.setValue("v_offset", |
33094993 | 345 | scrollarea_->verticalScrollBar()->sliderPosition()); |
3a21afa6 | 346 | |
37849039 | 347 | settings.setValue("splitter_state", splitter_->saveState()); |
89914a86 | 348 | settings.setValue("segment_display_mode", segment_display_mode_); |
37849039 | 349 | |
ffc00fdd C |
350 | { |
351 | stringstream ss; | |
352 | boost::archive::text_oarchive oa(ss); | |
353 | oa << boost::serialization::make_nvp("ruler_shift", ruler_shift_); | |
354 | settings.setValue("ruler_shift", QString::fromStdString(ss.str())); | |
355 | } | |
356 | { | |
357 | stringstream ss; | |
358 | boost::archive::text_oarchive oa(ss); | |
359 | oa << boost::serialization::make_nvp("offset", offset_); | |
360 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
361 | } | |
3a21afa6 | 362 | |
f4e57597 | 363 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
364 | settings.beginGroup(signal->base()->internal_name()); |
365 | signal->save_settings(settings); | |
366 | settings.endGroup(); | |
367 | } | |
368 | } | |
369 | ||
370 | void View::restore_settings(QSettings &settings) | |
371 | { | |
39ab01e7 SA |
372 | // Note: It is assumed that this function is only called once, |
373 | // immediately after restoring a previous session. | |
374 | ||
3a21afa6 SA |
375 | if (settings.contains("scale")) |
376 | set_scale(settings.value("scale").toDouble()); | |
377 | ||
ffc00fdd C |
378 | if (settings.contains("ruler_shift")) { |
379 | util::Timestamp shift; | |
380 | stringstream ss; | |
381 | ss << settings.value("ruler_shift").toString().toStdString(); | |
382 | ||
87ab0321 SA |
383 | try { |
384 | boost::archive::text_iarchive ia(ss); | |
385 | ia >> boost::serialization::make_nvp("ruler_shift", shift); | |
386 | ruler_shift_ = shift; | |
387 | } catch (boost::archive::archive_exception) { | |
388 | qDebug() << "Could not restore the view ruler shift"; | |
389 | } | |
ffc00fdd C |
390 | } |
391 | ||
3a21afa6 SA |
392 | if (settings.contains("offset")) { |
393 | util::Timestamp offset; | |
6f925ba9 | 394 | stringstream ss; |
3a21afa6 SA |
395 | ss << settings.value("offset").toString().toStdString(); |
396 | ||
87ab0321 SA |
397 | try { |
398 | boost::archive::text_iarchive ia(ss); | |
399 | ia >> boost::serialization::make_nvp("offset", offset); | |
400 | // This also updates ruler_offset_ | |
401 | set_offset(offset); | |
402 | } catch (boost::archive::archive_exception) { | |
403 | qDebug() << "Could not restore the view offset"; | |
404 | } | |
3a21afa6 SA |
405 | } |
406 | ||
37849039 SA |
407 | if (settings.contains("splitter_state")) |
408 | splitter_->restoreState(settings.value("splitter_state").toByteArray()); | |
409 | ||
89914a86 SA |
410 | if (settings.contains("segment_display_mode")) |
411 | set_segment_display_mode( | |
412 | (Trace::SegmentDisplayMode)(settings.value("segment_display_mode").toInt())); | |
413 | ||
f4e57597 | 414 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
415 | settings.beginGroup(signal->base()->internal_name()); |
416 | signal->restore_settings(settings); | |
417 | settings.endGroup(); | |
418 | } | |
39ab01e7 SA |
419 | |
420 | if (settings.contains("v_offset")) { | |
421 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
422 | set_v_offset(saved_v_offset_); | |
e62bee73 | 423 | scroll_needs_defaults_ = false; |
5f9b7de5 | 424 | // Note: see eventFilter() for additional information |
39ab01e7 | 425 | } |
4cc2e925 SA |
426 | |
427 | settings_restored_ = true; | |
28ceff25 | 428 | suppress_zoom_to_fit_after_acq_ = true; |
bca3faab SA |
429 | |
430 | // Update the ruler so that it uses the new scale | |
431 | calculate_tick_spacing(); | |
3a21afa6 SA |
432 | } |
433 | ||
2496bf45 JH |
434 | vector< shared_ptr<TimeItem> > View::time_items() const |
435 | { | |
8914fe79 JH |
436 | const vector<shared_ptr<Flag>> f(flags()); |
437 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a206446 SA |
438 | |
439 | if (cursors_) { | |
440 | items.push_back(cursors_); | |
441 | items.push_back(cursors_->first()); | |
442 | items.push_back(cursors_->second()); | |
443 | } | |
1a2288a1 | 444 | |
92ff2b60 TS |
445 | for (auto trigger_marker : trigger_markers_) |
446 | items.push_back(trigger_marker); | |
1a2288a1 | 447 | |
2496bf45 JH |
448 | return items; |
449 | } | |
450 | ||
cdf7bea7 | 451 | double View::scale() const |
adb4b10c | 452 | { |
8dbbc7f0 | 453 | return scale_; |
adb4b10c JH |
454 | } |
455 | ||
4b0af0b6 JS |
456 | void View::set_scale(double scale) |
457 | { | |
458 | if (scale_ != scale) { | |
459 | scale_ = scale; | |
25e734c8 | 460 | scale_changed(); |
4b0af0b6 JS |
461 | } |
462 | } | |
463 | ||
451dc5f3 | 464 | void View::set_offset(const pv::util::Timestamp& offset, bool force_update) |
4b0af0b6 | 465 | { |
451dc5f3 | 466 | if ((offset_ != offset) || force_update) { |
4b0af0b6 | 467 | offset_ = offset; |
ffc00fdd | 468 | ruler_offset_ = offset_ + ruler_shift_; |
25e734c8 | 469 | offset_changed(); |
4b0af0b6 JS |
470 | } |
471 | } | |
472 | ||
ffc00fdd C |
473 | const Timestamp& View::offset() const |
474 | { | |
475 | return offset_; | |
476 | } | |
477 | ||
ffc00fdd C |
478 | const Timestamp& View::ruler_offset() const |
479 | { | |
480 | return ruler_offset_; | |
481 | } | |
482 | ||
451dc5f3 SA |
483 | void View::set_zero_position(pv::util::Timestamp& position) |
484 | { | |
485 | ruler_shift_ = -position; | |
486 | ||
487 | // Force an immediate update of the offsets | |
488 | set_offset(offset_, true); | |
489 | ruler_->update(); | |
490 | } | |
491 | ||
492 | void View::reset_zero_position() | |
493 | { | |
494 | ruler_shift_ = 0; | |
495 | ||
496 | // Force an immediate update of the offsets | |
497 | set_offset(offset_, true); | |
498 | ruler_->update(); | |
499 | } | |
500 | ||
7ff0145f | 501 | int View::owner_visual_v_offset() const |
adb4b10c | 502 | { |
33094993 | 503 | return -scrollarea_->verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
504 | } |
505 | ||
4d476647 JH |
506 | void View::set_v_offset(int offset) |
507 | { | |
33094993 | 508 | scrollarea_->verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
509 | header_->update(); |
510 | viewport_->update(); | |
511 | } | |
512 | ||
3e769a37 JH |
513 | unsigned int View::depth() const |
514 | { | |
515 | return 0; | |
516 | } | |
517 | ||
89914a86 SA |
518 | uint32_t View::current_segment() const |
519 | { | |
520 | return current_segment_; | |
521 | } | |
522 | ||
d001f416 | 523 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
524 | { |
525 | return tick_prefix_; | |
526 | } | |
527 | ||
4b0af0b6 JS |
528 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
529 | { | |
530 | if (tick_prefix_ != tick_prefix) { | |
531 | tick_prefix_ = tick_prefix; | |
25e734c8 | 532 | tick_prefix_changed(); |
4b0af0b6 JS |
533 | } |
534 | } | |
535 | ||
d40f4db7 SA |
536 | unsigned int View::tick_precision() const |
537 | { | |
538 | return tick_precision_; | |
539 | } | |
540 | ||
4b0af0b6 JS |
541 | void View::set_tick_precision(unsigned tick_precision) |
542 | { | |
543 | if (tick_precision_ != tick_precision) { | |
544 | tick_precision_ = tick_precision; | |
25e734c8 | 545 | tick_precision_changed(); |
4b0af0b6 JS |
546 | } |
547 | } | |
548 | ||
c677193d | 549 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
550 | { |
551 | return tick_period_; | |
552 | } | |
553 | ||
4a076157 C |
554 | unsigned int View::minor_tick_count() const |
555 | { | |
556 | return minor_tick_count_; | |
557 | } | |
558 | ||
c677193d | 559 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
560 | { |
561 | if (tick_period_ != tick_period) { | |
562 | tick_period_ = tick_period; | |
25e734c8 | 563 | tick_period_changed(); |
4b0af0b6 JS |
564 | } |
565 | } | |
566 | ||
ef454ad5 SA |
567 | TimeUnit View::time_unit() const |
568 | { | |
569 | return time_unit_; | |
570 | } | |
571 | ||
4b0af0b6 JS |
572 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
573 | { | |
574 | if (time_unit_ != time_unit) { | |
575 | time_unit_ = time_unit; | |
25e734c8 | 576 | time_unit_changed(); |
4b0af0b6 JS |
577 | } |
578 | } | |
579 | ||
558ad6ce SA |
580 | void View::set_current_segment(uint32_t segment_id) |
581 | { | |
582 | current_segment_ = segment_id; | |
583 | ||
584 | for (shared_ptr<Signal> signal : signals_) | |
585 | signal->set_current_segment(current_segment_); | |
57c04e78 | 586 | #ifdef ENABLE_DECODE |
558ad6ce SA |
587 | for (shared_ptr<DecodeTrace> dt : decode_traces_) |
588 | dt->set_current_segment(current_segment_); | |
57c04e78 | 589 | #endif |
558ad6ce | 590 | |
451dc5f3 SA |
591 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); |
592 | ||
7ea2a4ff | 593 | trigger_markers_.clear(); |
451dc5f3 | 594 | for (util::Timestamp timestamp : triggers) |
7ea2a4ff SA |
595 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, timestamp)); |
596 | ||
451dc5f3 SA |
597 | // When enabled, the first trigger for this segment is used as the zero position |
598 | GlobalSettings settings; | |
599 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
600 | ||
601 | if (trigger_is_zero_time && (triggers.size() > 0)) | |
602 | set_zero_position(triggers.front()); | |
603 | ||
558ad6ce | 604 | viewport_->update(); |
89914a86 SA |
605 | |
606 | segment_changed(segment_id); | |
558ad6ce SA |
607 | } |
608 | ||
7daebd05 SA |
609 | bool View::segment_is_selectable() const |
610 | { | |
611 | return segment_selectable_; | |
612 | } | |
613 | ||
89914a86 SA |
614 | Trace::SegmentDisplayMode View::segment_display_mode() const |
615 | { | |
616 | return segment_display_mode_; | |
617 | } | |
618 | ||
7daebd05 SA |
619 | void View::set_segment_display_mode(Trace::SegmentDisplayMode mode) |
620 | { | |
7ea2a4ff SA |
621 | trigger_markers_.clear(); |
622 | ||
89914a86 SA |
623 | segment_display_mode_ = mode; |
624 | ||
7daebd05 SA |
625 | for (shared_ptr<Signal> signal : signals_) |
626 | signal->set_segment_display_mode(mode); | |
627 | ||
89914a86 SA |
628 | uint32_t last_segment = session_.get_segment_count() - 1; |
629 | ||
630 | switch (mode) { | |
631 | case Trace::ShowLastSegmentOnly: | |
632 | if (current_segment_ != last_segment) | |
633 | set_current_segment(last_segment); | |
634 | break; | |
635 | ||
636 | case Trace::ShowLastCompleteSegmentOnly: | |
637 | // Do nothing if we only have one segment so far | |
638 | if (last_segment > 0) { | |
639 | // If the last segment isn't complete, the previous one must be | |
640 | uint32_t segment_id = | |
641 | (session_.all_segments_complete(last_segment)) ? | |
642 | last_segment : last_segment - 1; | |
643 | ||
644 | if (current_segment_ != segment_id) | |
645 | set_current_segment(segment_id); | |
646 | } | |
647 | break; | |
648 | ||
649 | case Trace::ShowSingleSegmentOnly: | |
650 | case Trace::ShowAllSegments: | |
651 | case Trace::ShowAccumulatedIntensity: | |
652 | default: | |
653 | // Current segment remains as-is | |
654 | break; | |
655 | } | |
7daebd05 SA |
656 | |
657 | segment_selectable_ = true; | |
658 | ||
89914a86 | 659 | if ((mode == Trace::ShowAllSegments) || (mode == Trace::ShowAccumulatedIntensity)) |
7daebd05 SA |
660 | segment_selectable_ = false; |
661 | ||
89914a86 SA |
662 | viewport_->update(); |
663 | ||
664 | segment_display_mode_changed((int)mode, segment_selectable_); | |
7daebd05 SA |
665 | } |
666 | ||
cdf7bea7 | 667 | void View::zoom(double steps) |
adb4b10c | 668 | { |
8dbbc7f0 | 669 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
670 | } |
671 | ||
17c0f398 JH |
672 | void View::zoom(double steps, int offset) |
673 | { | |
c063290a | 674 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
675 | } |
676 | ||
ce11b2ea | 677 | void View::zoom_fit(bool gui_state) |
ca46b534 | 678 | { |
ce11b2ea SA |
679 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
680 | if (session_.get_capture_state() == Session::Stopped) { | |
681 | always_zoom_to_fit_ = false; | |
682 | always_zoom_to_fit_changed(false); | |
683 | } else { | |
684 | always_zoom_to_fit_ = gui_state; | |
685 | always_zoom_to_fit_changed(gui_state); | |
686 | } | |
687 | ||
60d9b99a JS |
688 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
689 | const Timestamp delta = extents.second - extents.first; | |
690 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
691 | return; |
692 | ||
8dbbc7f0 JH |
693 | assert(viewport_); |
694 | const int w = viewport_->width(); | |
ca46b534 JH |
695 | if (w <= 0) |
696 | return; | |
697 | ||
60d9b99a JS |
698 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
699 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
700 | } |
701 | ||
d1e7d82c JH |
702 | void View::zoom_one_to_one() |
703 | { | |
704 | using pv::data::SignalData; | |
705 | ||
d1e7d82c | 706 | // Make a set of all the visible data objects |
0fc664a9 | 707 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
708 | if (visible_data.empty()) |
709 | return; | |
710 | ||
8dbbc7f0 JH |
711 | assert(viewport_); |
712 | const int w = viewport_->width(); | |
d1e7d82c JH |
713 | if (w <= 0) |
714 | return; | |
715 | ||
2220e942 | 716 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
717 | } |
718 | ||
60d9b99a | 719 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 720 | { |
ce11b2ea SA |
721 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
722 | // and user drags the viewport | |
c7b03d9d | 723 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
724 | (session_.get_capture_state() == Session::Running)) { |
725 | ||
726 | if (sticky_scrolling_) { | |
727 | sticky_scrolling_ = false; | |
728 | sticky_scrolling_changed(false); | |
729 | } | |
730 | ||
731 | if (always_zoom_to_fit_) { | |
732 | always_zoom_to_fit_ = false; | |
733 | always_zoom_to_fit_changed(false); | |
734 | } | |
c7b03d9d SA |
735 | } |
736 | ||
4b0af0b6 JS |
737 | set_scale(scale); |
738 | set_offset(offset); | |
ccdd3ef5 | 739 | |
361c560e JH |
740 | calculate_tick_spacing(); |
741 | ||
adb4b10c | 742 | update_scroll(); |
8dbbc7f0 | 743 | ruler_->update(); |
8dbbc7f0 | 744 | viewport_->update(); |
adb4b10c JH |
745 | } |
746 | ||
1bc6525b JH |
747 | set< shared_ptr<SignalData> > View::get_visible_data() const |
748 | { | |
1bc6525b JH |
749 | // Make a set of all the visible data objects |
750 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 751 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
752 | if (sig->enabled()) |
753 | visible_data.insert(sig->data()); | |
754 | ||
755 | return visible_data; | |
756 | } | |
757 | ||
60d9b99a | 758 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 759 | { |
60d9b99a | 760 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 761 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 762 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 763 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 764 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
765 | double samplerate = s->samplerate(); |
766 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
767 | ||
60d9b99a JS |
768 | const Timestamp start_time = s->start_time(); |
769 | left_time = left_time ? | |
770 | min(*left_time, start_time) : | |
771 | start_time; | |
772 | right_time = right_time ? | |
773 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
774 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 775 | } |
1bc6525b JH |
776 | } |
777 | ||
60d9b99a JS |
778 | if (!left_time || !right_time) |
779 | return make_pair(0, 0); | |
7f4038d6 | 780 | |
60d9b99a JS |
781 | assert(*left_time < *right_time); |
782 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
783 | } |
784 | ||
051ba3b3 UH |
785 | void View::enable_show_sampling_points(bool state) |
786 | { | |
787 | (void)state; | |
788 | ||
789 | viewport_->update(); | |
790 | } | |
791 | ||
8ad61f40 UH |
792 | void View::enable_show_analog_minor_grid(bool state) |
793 | { | |
794 | (void)state; | |
795 | ||
796 | viewport_->update(); | |
797 | } | |
798 | ||
641574bc | 799 | void View::enable_colored_bg(bool state) |
574c568d | 800 | { |
641574bc | 801 | colored_bg_ = state; |
574c568d SA |
802 | viewport_->update(); |
803 | } | |
804 | ||
641574bc | 805 | bool View::colored_bg() const |
48995388 | 806 | { |
641574bc | 807 | return colored_bg_; |
48995388 JH |
808 | } |
809 | ||
f76af637 JH |
810 | bool View::cursors_shown() const |
811 | { | |
8dbbc7f0 | 812 | return show_cursors_; |
f76af637 JH |
813 | } |
814 | ||
815 | void View::show_cursors(bool show) | |
816 | { | |
8dbbc7f0 | 817 | show_cursors_ = show; |
819e2e95 | 818 | ruler_->update(); |
8dbbc7f0 | 819 | viewport_->update(); |
f76af637 JH |
820 | } |
821 | ||
b4d91e56 JH |
822 | void View::centre_cursors() |
823 | { | |
5a206446 SA |
824 | if (cursors_) { |
825 | const double time_width = scale_ * viewport_->width(); | |
826 | cursors_->first()->set_time(offset_ + time_width * 0.4); | |
827 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
828 | ||
829 | ruler_->update(); | |
830 | viewport_->update(); | |
831 | } | |
b4d91e56 JH |
832 | } |
833 | ||
6f925ba9 | 834 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 835 | { |
8dbbc7f0 | 836 | return cursors_; |
58864c5c JH |
837 | } |
838 | ||
60d9b99a | 839 | void View::add_flag(const Timestamp& time) |
8914fe79 | 840 | { |
067bb624 UH |
841 | flags_.push_back(make_shared<Flag>(*this, time, |
842 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 843 | |
8914fe79 JH |
844 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
845 | (next_flag_text_ + 1); | |
48257a69 | 846 | |
8914fe79 JH |
847 | time_item_appearance_changed(true, true); |
848 | } | |
849 | ||
6f925ba9 | 850 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
851 | { |
852 | flags_.remove(flag); | |
853 | time_item_appearance_changed(true, true); | |
854 | } | |
855 | ||
6f925ba9 | 856 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 857 | { |
6f925ba9 | 858 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
859 | stable_sort(flags.begin(), flags.end(), |
860 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
861 | return a->time() < b->time(); | |
862 | }); | |
863 | ||
864 | return flags; | |
865 | } | |
866 | ||
cbd80f64 JH |
867 | const QPoint& View::hover_point() const |
868 | { | |
8dbbc7f0 | 869 | return hover_point_; |
cbd80f64 JH |
870 | } |
871 | ||
af503b10 | 872 | void View::restack_all_trace_tree_items() |
7ff0145f | 873 | { |
873cbed0 | 874 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
875 | const vector<shared_ptr<TraceTreeItem>> items( |
876 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 877 | set< TraceTreeItemOwner* > owners; |
cc88566c | 878 | for (const auto &r : items) |
4800cf9a | 879 | owners.insert(r->owner()); |
af503b10 | 880 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 881 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 882 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
883 | return a->depth() > b->depth(); }); |
884 | ||
885 | // Restack the items recursively | |
886 | for (auto &o : sorted_owners) | |
887 | o->restack_items(); | |
888 | ||
889 | // Animate the items to their destination | |
cef5997e JH |
890 | for (const auto &i : items) |
891 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
892 | } |
893 | ||
d0c0573b SA |
894 | void View::on_setting_changed(const QString &key, const QVariant &value) |
895 | { | |
896 | if (key == GlobalSettings::Key_View_TriggerIsZeroTime) | |
897 | on_settingViewTriggerIsZeroTime_changed(value); | |
898 | } | |
899 | ||
7ea2a4ff | 900 | void View::trigger_event(int segment_id, util::Timestamp location) |
48257a69 | 901 | { |
7ea2a4ff SA |
902 | // TODO This doesn't work if we're showing multiple segments at once |
903 | if ((uint32_t)segment_id != current_segment_) | |
904 | return; | |
905 | ||
451dc5f3 SA |
906 | // Set zero location if the Key_View_TriggerIsZeroTime setting is set and |
907 | // if this is the first trigger for this segment. | |
ffc00fdd C |
908 | GlobalSettings settings; |
909 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
910 | ||
451dc5f3 SA |
911 | size_t trigger_count = session_.get_triggers(current_segment_).size(); |
912 | ||
913 | if (trigger_is_zero_time && trigger_count == 1) | |
914 | set_zero_position(location); | |
ffc00fdd | 915 | |
067bb624 | 916 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
917 | } |
918 | ||
60d9b99a | 919 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 920 | { |
60d9b99a JS |
921 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
922 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 923 | offset = offset_ / scale_; |
f25770e2 JH |
924 | } |
925 | ||
d1e7d82c JH |
926 | void View::set_zoom(double scale, int offset) |
927 | { | |
ce11b2ea SA |
928 | // Reset the "always zoom to fit" feature as the user changed the zoom |
929 | always_zoom_to_fit_ = false; | |
930 | always_zoom_to_fit_changed(false); | |
931 | ||
60d9b99a JS |
932 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
933 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
934 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
935 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
936 | } |
937 | ||
361c560e JH |
938 | void View::calculate_tick_spacing() |
939 | { | |
8a1bc087 | 940 | const double SpacingIncrement = 10.0f; |
8a463dbc | 941 | const double MinValueSpacing = 40.0f; |
361c560e | 942 | |
1e124d4b SA |
943 | // Figure out the highest numeric value visible on a label |
944 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 945 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
946 | fabs(offset_ + scale_ * areaSize.width())); |
947 | ||
d40f4db7 SA |
948 | double min_width = SpacingIncrement; |
949 | double label_width, tick_period_width; | |
361c560e JH |
950 | |
951 | QFontMetrics m(QApplication::font()); | |
952 | ||
adb3831e JS |
953 | // Copies of the member variables with the same name, used in the calculation |
954 | // and written back afterwards, so that we don't emit signals all the time | |
955 | // during the calculation. | |
956 | pv::util::Timestamp tick_period = tick_period_; | |
957 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
958 | unsigned tick_precision = tick_precision_; | |
959 | ||
361c560e JH |
960 | do { |
961 | const double min_period = scale_ * min_width; | |
962 | ||
963 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
964 | const pv::util::Timestamp order_decimal = |
965 | pow(pv::util::Timestamp(10), order); | |
361c560e | 966 | |
8a1bc087 SA |
967 | // Allow for a margin of error so that a scale unit of 1 can be used. |
968 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
969 | // the min_period by a small amount - and thus skipped in favor of 2. | |
970 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
971 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
972 | double tp_with_margin; | |
361c560e JH |
973 | unsigned int unit = 0; |
974 | ||
975 | do { | |
c677193d JS |
976 | tp_with_margin = order_decimal.convert_to<double>() * |
977 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 978 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 979 | |
e4cc0ee6 | 980 | minor_tick_count_ = (unit == 2) ? 4 : 5; |
adb3831e JS |
981 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
982 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
983 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 984 | |
d40f4db7 SA |
985 | // Precision is the number of fractional digits required, not |
986 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 987 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 988 | |
adb3831e | 989 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 990 | |
3ccf0f7f JS |
991 | const QString label_text = Ruler::format_time_with_distance( |
992 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
993 | |
994 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
995 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
996 | MinValueSpacing; |
997 | ||
998 | min_width += SpacingIncrement; | |
d40f4db7 | 999 | } while (tick_period_width < label_width); |
adb3831e JS |
1000 | |
1001 | set_tick_period(tick_period); | |
1002 | set_tick_prefix(tick_prefix); | |
1003 | set_tick_precision(tick_precision); | |
361c560e JH |
1004 | } |
1005 | ||
8a5fd81f SA |
1006 | void View::adjust_top_margin() |
1007 | { | |
1008 | assert(viewport_); | |
1009 | ||
1010 | const QSize areaSize = viewport_->size(); | |
1011 | ||
1012 | const pair<int, int> extents = v_extents(); | |
1013 | const int top_margin = owner_visual_v_offset() + extents.first; | |
1014 | const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second; | |
1015 | ||
1016 | // Do we have empty space at the top while the last trace goes out of screen? | |
1017 | if ((top_margin > 0) && (trace_bottom > areaSize.height())) { | |
1018 | const int trace_height = extents.second - extents.first; | |
1019 | ||
1020 | // Center everything vertically if there is enough space | |
1021 | if (areaSize.height() >= trace_height) | |
1022 | set_v_offset(extents.first - | |
1023 | ((areaSize.height() - trace_height) / 2)); | |
1024 | else | |
1025 | // Remove the top margin to make as many traces fit on screen as possible | |
1026 | set_v_offset(extents.first); | |
1027 | } | |
1028 | } | |
1029 | ||
cdf7bea7 | 1030 | void View::update_scroll() |
adb4b10c | 1031 | { |
8dbbc7f0 | 1032 | assert(viewport_); |
33094993 SA |
1033 | QScrollBar *hscrollbar = scrollarea_->horizontalScrollBar(); |
1034 | QScrollBar *vscrollbar = scrollarea_->verticalScrollBar(); | |
adb4b10c | 1035 | |
8dbbc7f0 | 1036 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
1037 | |
1038 | // Set the horizontal scroll bar | |
60d9b99a JS |
1039 | double length = 0; |
1040 | Timestamp offset; | |
f25770e2 JH |
1041 | get_scroll_layout(length, offset); |
1042 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 1043 | |
c677193d | 1044 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 1045 | |
f4e57597 SA |
1046 | hscrollbar->setPageStep(areaSize.width() / 2); |
1047 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 1048 | |
8dbbc7f0 | 1049 | updating_scroll_ = true; |
528bd8a1 | 1050 | |
333d5bbc | 1051 | if (length < MaxScrollValue) { |
f4e57597 SA |
1052 | hscrollbar->setRange(0, length); |
1053 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 1054 | } else { |
f4e57597 SA |
1055 | hscrollbar->setRange(0, MaxScrollValue); |
1056 | hscrollbar->setSliderPosition( | |
60d9b99a | 1057 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 1058 | } |
adb4b10c | 1059 | |
8dbbc7f0 | 1060 | updating_scroll_ = false; |
528bd8a1 | 1061 | |
adb4b10c | 1062 | // Set the vertical scrollbar |
f4e57597 SA |
1063 | vscrollbar->setPageStep(areaSize.height()); |
1064 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
1065 | |
1066 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
1067 | |
1068 | // Don't change the scrollbar range if there are no traces | |
1069 | if (extents.first != extents.second) | |
f4e57597 | 1070 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
1071 | extents.second); |
1072 | ||
e62bee73 | 1073 | if (scroll_needs_defaults_) |
925763b0 SA |
1074 | set_scroll_default(); |
1075 | } | |
1076 | ||
1077 | void View::reset_scroll() | |
1078 | { | |
33094993 | 1079 | scrollarea_->verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
1080 | } |
1081 | ||
1082 | void View::set_scroll_default() | |
1083 | { | |
1084 | assert(viewport_); | |
1085 | ||
1086 | const QSize areaSize = viewport_->size(); | |
1087 | ||
925763b0 SA |
1088 | const pair<int, int> extents = v_extents(); |
1089 | const int trace_height = extents.second - extents.first; | |
1090 | ||
1091 | // Do all traces fit in the view? | |
1092 | if (areaSize.height() >= trace_height) | |
1093 | // Center all traces vertically | |
1094 | set_v_offset(extents.first - | |
1095 | ((areaSize.height() - trace_height) / 2)); | |
1096 | else | |
1097 | // Put the first trace at the top, letting the bottom ones overflow | |
1098 | set_v_offset(extents.first); | |
adb4b10c JH |
1099 | } |
1100 | ||
9510aea0 | 1101 | void View::determine_if_header_was_shrunk() |
33094993 SA |
1102 | { |
1103 | const int header_pane_width = splitter_->sizes().front(); | |
1104 | const int header_width = header_->extended_size_hint().width(); | |
1105 | ||
e0be5f21 SA |
1106 | // Allow for a slight margin of error so that we also accept |
1107 | // slight differences when e.g. a label name change increased | |
1108 | // the overall width | |
9510aea0 | 1109 | header_was_shrunk_ = (header_pane_width < (header_width - 10)); |
33094993 SA |
1110 | } |
1111 | ||
60c426a0 | 1112 | void View::resize_header_to_fit() |
d7c0ca4a | 1113 | { |
572c3bb7 SA |
1114 | // Setting the maximum width of the header widget doesn't work as |
1115 | // expected because the splitter would allow the user to make the | |
1116 | // pane wider than that, creating empty space as a result. | |
1117 | // To make this work, we stricly enforce the maximum width by | |
1118 | // expanding the header unless the user shrunk it on purpose. | |
1119 | // As we're then setting the width of the header pane, we set the | |
1120 | // splitter to the maximum allowed position. | |
1121 | ||
76750c41 SA |
1122 | int splitter_area_width = 0; |
1123 | for (int w : splitter_->sizes()) | |
1124 | splitter_area_width += w; | |
33094993 | 1125 | |
76750c41 SA |
1126 | // Make sure the header has enough horizontal space to show all labels fully |
1127 | QList<int> pane_sizes; | |
1128 | pane_sizes.push_back(header_->extended_size_hint().width()); | |
1129 | pane_sizes.push_back(splitter_area_width - header_->extended_size_hint().width()); | |
1130 | splitter_->setSizes(pane_sizes); | |
1131 | } | |
1132 | ||
1133 | void View::update_layout() | |
1134 | { | |
d7c0ca4a JH |
1135 | update_scroll(); |
1136 | } | |
1137 | ||
af503b10 | 1138 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 1139 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 1140 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1141 | &signal_map) |
448a72cf | 1142 | { |
cf124e47 | 1143 | assert(group); |
448a72cf | 1144 | |
af503b10 JH |
1145 | unordered_set<TraceTreeItemOwner*> owners; |
1146 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 1147 | |
cf124e47 JH |
1148 | // Make a set and a list of all the owners |
1149 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
1150 | for (auto entry : signal_map) { |
1151 | if (entry.first->channel() == channel) { | |
1152 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
1153 | owner_list.push_back(o); | |
1154 | owners.insert(o); | |
1155 | } | |
1156 | } | |
cf124e47 | 1157 | } |
448a72cf | 1158 | |
cf124e47 JH |
1159 | // Iterate through the list of owners, and find the most prevalent |
1160 | size_t max_prevalence = 0; | |
af503b10 JH |
1161 | TraceTreeItemOwner *prevalent_owner = nullptr; |
1162 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 1163 | const size_t prevalence = count_if( |
cf124e47 | 1164 | owner_list.begin(), owner_list.end(), |
af503b10 | 1165 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
1166 | if (prevalence > max_prevalence) { |
1167 | max_prevalence = prevalence; | |
1168 | prevalent_owner = owner; | |
1169 | } | |
448a72cf JH |
1170 | } |
1171 | ||
cf124e47 | 1172 | return prevalent_owner; |
448a72cf JH |
1173 | } |
1174 | ||
cf124e47 JH |
1175 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
1176 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 1177 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
1178 | &signal_map, |
1179 | set< shared_ptr<Trace> > &add_list) | |
1180 | { | |
1181 | vector< shared_ptr<Trace> > filtered_traces; | |
1182 | ||
2ad82c2e | 1183 | for (const auto &channel : channels) { |
bf0edd2b SA |
1184 | for (auto entry : signal_map) { |
1185 | if (entry.first->channel() == channel) { | |
1186 | shared_ptr<Trace> trace = entry.second; | |
1187 | const auto list_iter = add_list.find(trace); | |
1188 | if (list_iter == add_list.end()) | |
1189 | continue; | |
1190 | ||
1191 | filtered_traces.push_back(trace); | |
1192 | add_list.erase(list_iter); | |
1193 | } | |
1194 | } | |
cf124e47 JH |
1195 | } |
1196 | ||
1197 | return filtered_traces; | |
448a72cf JH |
1198 | } |
1199 | ||
ef454ad5 SA |
1200 | void View::determine_time_unit() |
1201 | { | |
7ee199a7 | 1202 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 1203 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 1204 | // Check all signals but... |
47e9e7bb | 1205 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
1206 | const shared_ptr<SignalData> data = signal->data(); |
1207 | ||
1208 | // ...only check first segment of each | |
1209 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
1210 | if (!segments.empty()) | |
1211 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 1212 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
1213 | break; |
1214 | } | |
1215 | } | |
ef454ad5 SA |
1216 | } |
1217 | } | |
1218 | ||
cbd80f64 JH |
1219 | bool View::eventFilter(QObject *object, QEvent *event) |
1220 | { | |
1221 | const QEvent::Type type = event->type(); | |
333d5bbc | 1222 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
1223 | |
1224 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
1225 | if (object == viewport_) |
1226 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 1227 | else if (object == ruler_) |
8dbbc7f0 JH |
1228 | hover_point_ = QPoint(mouse_event->x(), 0); |
1229 | else if (object == header_) | |
1230 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 1231 | else |
8dbbc7f0 | 1232 | hover_point_ = QPoint(-1, -1); |
cbd80f64 | 1233 | |
873e8035 | 1234 | update_hover_point(); |
cbd80f64 | 1235 | |
333d5bbc | 1236 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 1237 | hover_point_ = QPoint(-1, -1); |
873e8035 | 1238 | update_hover_point(); |
5f9b7de5 SA |
1239 | } else if (type == QEvent::Show) { |
1240 | ||
1241 | // This is somewhat of a hack, unfortunately. We cannot use | |
1242 | // set_v_offset() from within restore_settings() as the view | |
1243 | // at that point is neither visible nor properly sized. | |
1244 | // This is the least intrusive workaround I could come up | |
1245 | // with: set the vertical offset (or scroll defaults) when | |
1246 | // the view is shown, which happens after all widgets were | |
1247 | // resized to their final sizes. | |
1248 | update_layout(); | |
1249 | ||
60c426a0 SA |
1250 | if (settings_restored_) |
1251 | determine_if_header_was_shrunk(); | |
1252 | else | |
1253 | resize_header_to_fit(); | |
b760e6e0 | 1254 | |
5f9b7de5 SA |
1255 | if (scroll_needs_defaults_) { |
1256 | set_scroll_default(); | |
1257 | scroll_needs_defaults_ = false; | |
1258 | } | |
1259 | ||
1260 | if (saved_v_offset_) { | |
1261 | set_v_offset(saved_v_offset_); | |
1262 | saved_v_offset_ = 0; | |
1263 | } | |
cbd80f64 JH |
1264 | } |
1265 | ||
1266 | return QObject::eventFilter(object, event); | |
1267 | } | |
1268 | ||
8a5fd81f | 1269 | void View::resizeEvent(QResizeEvent* event) |
adb4b10c | 1270 | { |
8a5fd81f SA |
1271 | // Only adjust the top margin if we shrunk vertically |
1272 | if (event->size().height() < event->oldSize().height()) | |
1273 | adjust_top_margin(); | |
1274 | ||
d7c0ca4a | 1275 | update_layout(); |
adb4b10c JH |
1276 | } |
1277 | ||
873e8035 SA |
1278 | void View::update_hover_point() |
1279 | { | |
1280 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( | |
1281 | list_by_type<TraceTreeItem>()); | |
1282 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
1283 | r->hover_point_changed(hover_point_); | |
1284 | ||
1285 | hover_point_changed(hover_point_); | |
1286 | } | |
1287 | ||
6e2c3c85 | 1288 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1289 | { |
1290 | if (label) | |
8dbbc7f0 | 1291 | header_->update(); |
32218d3e | 1292 | if (content) |
8dbbc7f0 | 1293 | viewport_->update(); |
32218d3e JH |
1294 | } |
1295 | ||
98cfe4e8 JH |
1296 | void View::time_item_appearance_changed(bool label, bool content) |
1297 | { | |
e0be5f21 | 1298 | if (label) { |
819e2e95 | 1299 | ruler_->update(); |
e0be5f21 SA |
1300 | |
1301 | // Make sure the header pane width is updated, too | |
1302 | update_layout(); | |
1303 | } | |
1304 | ||
98cfe4e8 JH |
1305 | if (content) |
1306 | viewport_->update(); | |
1307 | } | |
1308 | ||
32218d3e JH |
1309 | void View::extents_changed(bool horz, bool vert) |
1310 | { | |
8dbbc7f0 | 1311 | sticky_events_ |= |
af503b10 JH |
1312 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1313 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 1314 | |
8dbbc7f0 | 1315 | lazy_event_handler_.start(); |
32218d3e JH |
1316 | } |
1317 | ||
00c518d6 SA |
1318 | void View::on_signal_name_changed() |
1319 | { | |
9510aea0 | 1320 | if (!header_was_shrunk_) |
60c426a0 | 1321 | resize_header_to_fit(); |
00c518d6 SA |
1322 | } |
1323 | ||
e0be5f21 SA |
1324 | void View::on_splitter_moved() |
1325 | { | |
9510aea0 SA |
1326 | // The header can only shrink when the splitter is moved manually |
1327 | determine_if_header_was_shrunk(); | |
1328 | ||
1329 | if (!header_was_shrunk_) | |
60c426a0 | 1330 | resize_header_to_fit(); |
e0be5f21 SA |
1331 | } |
1332 | ||
b16907d3 | 1333 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1334 | { |
8dbbc7f0 | 1335 | if (updating_scroll_) |
528bd8a1 JH |
1336 | return; |
1337 | ||
c7b03d9d SA |
1338 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1339 | // during a running acquisition | |
1340 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1341 | sticky_scrolling_ = false; | |
1342 | sticky_scrolling_changed(false); | |
1343 | } | |
1344 | ||
33094993 | 1345 | const int range = scrollarea_->horizontalScrollBar()->maximum(); |
333d5bbc | 1346 | if (range < MaxScrollValue) |
4b0af0b6 | 1347 | set_offset(scale_ * value); |
f25770e2 | 1348 | else { |
60d9b99a JS |
1349 | double length = 0; |
1350 | Timestamp offset; | |
f25770e2 | 1351 | get_scroll_layout(length, offset); |
4b0af0b6 | 1352 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1353 | } |
1354 | ||
8dbbc7f0 | 1355 | ruler_->update(); |
8dbbc7f0 | 1356 | viewport_->update(); |
adb4b10c JH |
1357 | } |
1358 | ||
f8400017 | 1359 | void View::v_scroll_value_changed() |
adb4b10c | 1360 | { |
8dbbc7f0 JH |
1361 | header_->update(); |
1362 | viewport_->update(); | |
adb4b10c JH |
1363 | } |
1364 | ||
69dd2b03 JH |
1365 | void View::signals_changed() |
1366 | { | |
769a79b5 JH |
1367 | using sigrok::Channel; |
1368 | ||
925763b0 SA |
1369 | vector< shared_ptr<Channel> > channels; |
1370 | shared_ptr<sigrok::Device> sr_dev; | |
60c426a0 | 1371 | bool signals_added_or_removed = false; |
68b21a71 | 1372 | |
925763b0 SA |
1373 | // Do we need to set the vertical scrollbar to its default position later? |
1374 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1375 | bool reset_scrollbar = | |
33094993 SA |
1376 | (scrollarea_->verticalScrollBar()->minimum() == |
1377 | scrollarea_->verticalScrollBar()->maximum()); | |
925763b0 SA |
1378 | |
1379 | if (!session_.device()) { | |
1380 | reset_scroll(); | |
47e9e7bb | 1381 | signals_.clear(); |
925763b0 | 1382 | } else { |
925763b0 | 1383 | sr_dev = session_.device()->device(); |
3b353d67 | 1384 | assert(sr_dev); |
925763b0 SA |
1385 | channels = sr_dev->channels(); |
1386 | } | |
e37e05f7 | 1387 | |
925763b0 | 1388 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1389 | |
cf124e47 JH |
1390 | // Make a list of traces that are being added, and a list of traces |
1391 | // that are being removed | |
364d2155 JH |
1392 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1393 | const set<shared_ptr<Trace>> prev_traces( | |
1394 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1395 | |
47e9e7bb | 1396 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1397 | |
1398 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1399 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1400 | #endif |
1401 | ||
1402 | set< shared_ptr<Trace> > add_traces; | |
1403 | set_difference(traces.begin(), traces.end(), | |
1404 | prev_traces.begin(), prev_traces.end(), | |
1405 | inserter(add_traces, add_traces.begin())); | |
1406 | ||
1407 | set< shared_ptr<Trace> > remove_traces; | |
1408 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1409 | traces.begin(), traces.end(), | |
1410 | inserter(remove_traces, remove_traces.begin())); | |
1411 | ||
1412 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1413 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1414 | signal_map; |
47e9e7bb | 1415 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1416 | signal_map[sig->base()] = sig; |
448a72cf JH |
1417 | |
1418 | // Populate channel groups | |
925763b0 SA |
1419 | if (sr_dev) |
1420 | for (auto entry : sr_dev->channel_groups()) { | |
1421 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1422 | ||
1423 | if (group->channels().size() <= 1) | |
1424 | continue; | |
1425 | ||
1426 | // Find best trace group to add to | |
1427 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1428 | group, signal_map); | |
1429 | ||
1430 | // If there is no trace group, create one | |
1431 | shared_ptr<TraceGroup> new_trace_group; | |
1432 | if (!owner) { | |
1433 | new_trace_group.reset(new TraceGroup()); | |
1434 | owner = new_trace_group.get(); | |
1435 | } | |
1436 | ||
1437 | // Extract traces for the trace group, removing them from | |
1438 | // the add list | |
1439 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1440 | extract_new_traces_for_channels(group->channels(), | |
1441 | signal_map, add_traces); | |
1442 | ||
1443 | // Add the traces to the group | |
1444 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1445 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1446 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1447 | assert(trace); | |
1448 | owner->add_child_item(trace); | |
1449 | ||
1450 | const pair<int, int> extents = trace->v_extents(); | |
1451 | if (trace->enabled()) | |
1452 | offset += -extents.first; | |
1453 | trace->force_to_v_offset(offset); | |
1454 | if (trace->enabled()) | |
1455 | offset += extents.second; | |
1456 | } | |
1457 | ||
7d556523 SA |
1458 | if (new_trace_group) { |
1459 | // Assign proper vertical offsets to each channel in the group | |
1460 | new_trace_group->restack_items(); | |
1461 | ||
1462 | // If this is a new group, enqueue it in the new top level | |
1463 | // items list | |
1464 | if (!new_traces_in_group.empty()) | |
1465 | new_top_level_items.push_back(new_trace_group); | |
1466 | } | |
cf124e47 | 1467 | } |
68b21a71 | 1468 | |
769a79b5 JH |
1469 | // Enqueue the remaining logic channels in a group |
1470 | vector< shared_ptr<Channel> > logic_channels; | |
1471 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1472 | [](const shared_ptr<Channel>& c) { | |
1473 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1474 | |
769a79b5 | 1475 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1476 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1477 | ||
1478 | if (non_grouped_logic_signals.size() > 0) { | |
1479 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1480 | make_shared<TraceGroup>()); | |
1481 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1482 | non_grouped_trace_group->add_child_item(trace); | |
1483 | ||
1484 | non_grouped_trace_group->restack_items(); | |
1485 | new_top_level_items.push_back(non_grouped_trace_group); | |
1486 | } | |
769a79b5 | 1487 | |
cf124e47 JH |
1488 | // Enqueue the remaining channels as free ungrouped traces |
1489 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1490 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1491 | new_top_level_items.insert(new_top_level_items.end(), |
1492 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1493 | ||
1494 | // Enqueue any remaining traces i.e. decode traces | |
1495 | new_top_level_items.insert(new_top_level_items.end(), | |
1496 | add_traces.begin(), add_traces.end()); | |
1497 | ||
1498 | // Remove any removed traces | |
1499 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1500 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1501 | assert(owner); |
1502 | owner->remove_child_item(trace); | |
60c426a0 | 1503 | signals_added_or_removed = true; |
cf124e47 | 1504 | } |
448a72cf | 1505 | |
bc72e51f SA |
1506 | // Remove any empty trace groups |
1507 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1508 | if (group->child_items().size() == 0) { |
bc72e51f | 1509 | remove_child_item(group); |
e28c998e SA |
1510 | group.reset(); |
1511 | } | |
bc72e51f | 1512 | |
cf124e47 | 1513 | // Add and position the pending top levels items |
6644424f | 1514 | int offset = v_extents().second; |
cf124e47 | 1515 | for (auto item : new_top_level_items) { |
8c09273b SA |
1516 | add_child_item(item); |
1517 | ||
d6128866 | 1518 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1519 | const pair<int, int> extents = item->v_extents(); |
1520 | ||
1521 | if (item->enabled()) | |
1522 | offset += -extents.first; | |
d6128866 | 1523 | |
d6128866 | 1524 | item->force_to_v_offset(offset); |
cf124e47 | 1525 | |
cf124e47 | 1526 | if (item->enabled()) |
8c09273b | 1527 | offset += extents.second; |
60c426a0 | 1528 | signals_added_or_removed = true; |
ef8311a4 JH |
1529 | } |
1530 | ||
76750c41 | 1531 | |
60c426a0 SA |
1532 | if (signals_added_or_removed && !header_was_shrunk_) |
1533 | resize_header_to_fit(); | |
76750c41 | 1534 | |
a6c1726e | 1535 | update_layout(); |
cf124e47 JH |
1536 | |
1537 | header_->update(); | |
1538 | viewport_->update(); | |
925763b0 SA |
1539 | |
1540 | if (reset_scrollbar) | |
1541 | set_scroll_default(); | |
69dd2b03 JH |
1542 | } |
1543 | ||
7ee199a7 | 1544 | void View::capture_state_updated(int state) |
adb4b10c | 1545 | { |
28ceff25 SA |
1546 | GlobalSettings settings; |
1547 | ||
92ff2b60 | 1548 | if (state == Session::Running) { |
4b0af0b6 | 1549 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1550 | |
92ff2b60 | 1551 | trigger_markers_.clear(); |
90472a51 | 1552 | |
28ceff25 SA |
1553 | scale_at_acq_start_ = scale_; |
1554 | offset_at_acq_start_ = offset_; | |
1555 | ||
820ce18a SA |
1556 | // Activate "always zoom to fit" if the setting is enabled and we're |
1557 | // the main view of this session (other trace views may be used for | |
1558 | // zooming and we don't want to mess them up) | |
e91fb166 | 1559 | bool state = settings.value(GlobalSettings::Key_View_ZoomToFitDuringAcq).toBool(); |
820ce18a | 1560 | if (is_main_view_ && state) { |
90472a51 SA |
1561 | always_zoom_to_fit_ = true; |
1562 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1563 | } | |
9b64f2df SA |
1564 | |
1565 | // Enable sticky scrolling if the setting is enabled | |
1566 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
558ad6ce SA |
1567 | |
1568 | // Reset all traces to segment 0 | |
1569 | current_segment_ = 0; | |
1570 | set_current_segment(current_segment_); | |
92ff2b60 TS |
1571 | } |
1572 | ||
fd03a279 SA |
1573 | if (state == Session::Stopped) { |
1574 | // After acquisition has stopped we need to re-calculate the ticks once | |
1575 | // as it's otherwise done when the user pans or zooms, which is too late | |
1576 | calculate_tick_spacing(); | |
1577 | ||
1578 | // Reset "always zoom to fit", the acquisition has stopped | |
1579 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1580 | // Perform a final zoom-to-fit before disabling |
1581 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1582 | always_zoom_to_fit_ = false; |
90472a51 | 1583 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 | 1584 | } |
28ceff25 SA |
1585 | |
1586 | bool zoom_to_fit_after_acq = | |
1587 | settings.value(GlobalSettings::Key_View_ZoomToFitAfterAcq).toBool(); | |
1588 | ||
1589 | // Only perform zoom-to-fit if the user hasn't altered the viewport and | |
1590 | // we didn't restore settings in the meanwhile | |
1591 | if (zoom_to_fit_after_acq && | |
1592 | !suppress_zoom_to_fit_after_acq_ && | |
1593 | (scale_ == scale_at_acq_start_) && | |
1594 | (offset_ == offset_at_acq_start_)) | |
1595 | zoom_fit(false); // We're stopped, so the GUI state doesn't matter | |
1596 | ||
1597 | suppress_zoom_to_fit_after_acq_ = false; | |
fd03a279 | 1598 | } |
7ee199a7 SA |
1599 | } |
1600 | ||
4e86ec70 SA |
1601 | void View::on_new_segment(int new_segment_id) |
1602 | { | |
1603 | on_segment_changed(new_segment_id); | |
1604 | } | |
1605 | ||
558ad6ce SA |
1606 | void View::on_segment_completed(int segment_id) |
1607 | { | |
1608 | on_segment_changed(segment_id); | |
558ad6ce SA |
1609 | } |
1610 | ||
526c8c00 SA |
1611 | void View::on_segment_changed(int segment) |
1612 | { | |
7daebd05 SA |
1613 | switch (segment_display_mode_) { |
1614 | case Trace::ShowLastSegmentOnly: | |
1615 | case Trace::ShowSingleSegmentOnly: | |
558ad6ce SA |
1616 | set_current_segment(segment); |
1617 | break; | |
1618 | ||
1619 | case Trace::ShowLastCompleteSegmentOnly: | |
89914a86 SA |
1620 | // Only update if all segments are complete |
1621 | if (session_.all_segments_complete(segment)) | |
1622 | set_current_segment(segment); | |
7daebd05 | 1623 | break; |
526c8c00 | 1624 | |
7daebd05 SA |
1625 | case Trace::ShowAllSegments: |
1626 | case Trace::ShowAccumulatedIntensity: | |
1627 | default: | |
1628 | break; | |
1629 | } | |
526c8c00 SA |
1630 | } |
1631 | ||
451dc5f3 SA |
1632 | void View::on_settingViewTriggerIsZeroTime_changed(const QVariant new_value) |
1633 | { | |
1634 | if (new_value.toBool()) { | |
1635 | // The first trigger for this segment is used as the zero position | |
1636 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); | |
1637 | if (triggers.size() > 0) | |
1638 | set_zero_position(triggers.front()); | |
1639 | } else | |
1640 | reset_zero_position(); | |
1641 | } | |
1642 | ||
c7b03d9d SA |
1643 | void View::perform_delayed_view_update() |
1644 | { | |
3906e758 | 1645 | if (always_zoom_to_fit_) { |
ce11b2ea | 1646 | zoom_fit(true); |
3906e758 | 1647 | } else if (sticky_scrolling_) { |
c7b03d9d | 1648 | // Make right side of the view sticky |
60d9b99a JS |
1649 | double length = 0; |
1650 | Timestamp offset; | |
c7b03d9d SA |
1651 | get_scroll_layout(length, offset); |
1652 | ||
1653 | const QSize areaSize = viewport_->size(); | |
1654 | length = max(length - areaSize.width(), 0.0); | |
1655 | ||
4b0af0b6 | 1656 | set_offset(scale_ * length); |
c7b03d9d | 1657 | } |
adb4b10c | 1658 | |
ef454ad5 | 1659 | determine_time_unit(); |
c7b03d9d SA |
1660 | update_scroll(); |
1661 | ruler_->update(); | |
8dbbc7f0 | 1662 | viewport_->update(); |
adb4b10c | 1663 | } |
cdf7bea7 | 1664 | |
32218d3e | 1665 | void View::process_sticky_events() |
d7c0ca4a | 1666 | { |
af503b10 | 1667 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1668 | update_layout(); |
af503b10 JH |
1669 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1670 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1671 | update_scroll(); |
1672 | } | |
32218d3e JH |
1673 | |
1674 | // Clear the sticky events | |
8dbbc7f0 | 1675 | sticky_events_ = 0; |
d7c0ca4a JH |
1676 | } |
1677 | ||
1573bf16 | 1678 | } // namespace trace |
f4e57597 | 1679 | } // namespace views |
cdf7bea7 | 1680 | } // namespace pv |