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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; | |
e4e5a958 | 249 | cursor_state_changed(show_cursors_); |
5a206446 SA |
250 | flags_.clear(); |
251 | ||
252 | // Update the zoom state | |
253 | calculate_tick_spacing(); | |
254 | ||
255 | // Make sure the standard bar's segment selector is in sync | |
256 | set_segment_display_mode(segment_display_mode_); | |
257 | } | |
258 | ||
2b81ae46 | 259 | Session& View::session() |
1d19ef83 | 260 | { |
8dbbc7f0 | 261 | return session_; |
1d19ef83 JH |
262 | } |
263 | ||
2b81ae46 | 264 | const Session& View::session() const |
38eeddea | 265 | { |
8dbbc7f0 | 266 | return session_; |
38eeddea JH |
267 | } |
268 | ||
6f925ba9 | 269 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
270 | { |
271 | return signals_; | |
272 | } | |
273 | ||
274 | void View::clear_signals() | |
275 | { | |
5ed05b69 | 276 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
277 | signals_.clear(); |
278 | } | |
279 | ||
f4e57597 | 280 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 281 | { |
5ed05b69 | 282 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb | 283 | signals_.insert(signal); |
00c518d6 | 284 | |
7daebd05 | 285 | signal->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 286 | signal->set_current_segment(current_segment_); |
7daebd05 | 287 | |
00c518d6 SA |
288 | connect(signal->base().get(), SIGNAL(name_changed(const QString&)), |
289 | this, SLOT(on_signal_name_changed())); | |
47e9e7bb SA |
290 | } |
291 | ||
bb7dd726 | 292 | #ifdef ENABLE_DECODE |
f4e57597 | 293 | void View::clear_decode_signals() |
bb7dd726 SA |
294 | { |
295 | decode_traces_.clear(); | |
296 | } | |
297 | ||
ad908057 | 298 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 | 299 | { |
f4e57597 | 300 | shared_ptr<DecodeTrace> d( |
ad908057 | 301 | new DecodeTrace(session_, signal, decode_traces_.size())); |
bb7dd726 | 302 | decode_traces_.push_back(d); |
00c518d6 | 303 | |
7daebd05 | 304 | d->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 305 | d->set_current_segment(current_segment_); |
7daebd05 | 306 | |
00c518d6 SA |
307 | connect(signal.get(), SIGNAL(name_changed(const QString&)), |
308 | this, SLOT(on_signal_name_changed())); | |
bb7dd726 SA |
309 | } |
310 | ||
ad908057 | 311 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 SA |
312 | { |
313 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
ad908057 | 314 | if ((*i)->base() == signal) { |
bb7dd726 SA |
315 | decode_traces_.erase(i); |
316 | signals_changed(); | |
317 | return; | |
318 | } | |
319 | } | |
320 | #endif | |
321 | ||
eae6e30a JH |
322 | View* View::view() |
323 | { | |
324 | return this; | |
325 | } | |
326 | ||
327 | const View* View::view() const | |
328 | { | |
329 | return this; | |
330 | } | |
331 | ||
2ae445ba SA |
332 | Viewport* View::viewport() |
333 | { | |
8dbbc7f0 | 334 | return viewport_; |
2ae445ba SA |
335 | } |
336 | ||
337 | const Viewport* View::viewport() const | |
338 | { | |
8dbbc7f0 | 339 | return viewport_; |
2ae445ba SA |
340 | } |
341 | ||
3a21afa6 SA |
342 | void View::save_settings(QSettings &settings) const |
343 | { | |
344 | settings.setValue("scale", scale_); | |
39ab01e7 | 345 | settings.setValue("v_offset", |
33094993 | 346 | scrollarea_->verticalScrollBar()->sliderPosition()); |
3a21afa6 | 347 | |
37849039 | 348 | settings.setValue("splitter_state", splitter_->saveState()); |
89914a86 | 349 | settings.setValue("segment_display_mode", segment_display_mode_); |
37849039 | 350 | |
ffc00fdd C |
351 | { |
352 | stringstream ss; | |
353 | boost::archive::text_oarchive oa(ss); | |
354 | oa << boost::serialization::make_nvp("ruler_shift", ruler_shift_); | |
355 | settings.setValue("ruler_shift", QString::fromStdString(ss.str())); | |
356 | } | |
357 | { | |
358 | stringstream ss; | |
359 | boost::archive::text_oarchive oa(ss); | |
360 | oa << boost::serialization::make_nvp("offset", offset_); | |
361 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
362 | } | |
3a21afa6 | 363 | |
f4e57597 | 364 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
365 | settings.beginGroup(signal->base()->internal_name()); |
366 | signal->save_settings(settings); | |
367 | settings.endGroup(); | |
368 | } | |
369 | } | |
370 | ||
371 | void View::restore_settings(QSettings &settings) | |
372 | { | |
39ab01e7 SA |
373 | // Note: It is assumed that this function is only called once, |
374 | // immediately after restoring a previous session. | |
375 | ||
3a21afa6 SA |
376 | if (settings.contains("scale")) |
377 | set_scale(settings.value("scale").toDouble()); | |
378 | ||
ffc00fdd C |
379 | if (settings.contains("ruler_shift")) { |
380 | util::Timestamp shift; | |
381 | stringstream ss; | |
382 | ss << settings.value("ruler_shift").toString().toStdString(); | |
383 | ||
87ab0321 SA |
384 | try { |
385 | boost::archive::text_iarchive ia(ss); | |
386 | ia >> boost::serialization::make_nvp("ruler_shift", shift); | |
387 | ruler_shift_ = shift; | |
388 | } catch (boost::archive::archive_exception) { | |
389 | qDebug() << "Could not restore the view ruler shift"; | |
390 | } | |
ffc00fdd C |
391 | } |
392 | ||
3a21afa6 SA |
393 | if (settings.contains("offset")) { |
394 | util::Timestamp offset; | |
6f925ba9 | 395 | stringstream ss; |
3a21afa6 SA |
396 | ss << settings.value("offset").toString().toStdString(); |
397 | ||
87ab0321 SA |
398 | try { |
399 | boost::archive::text_iarchive ia(ss); | |
400 | ia >> boost::serialization::make_nvp("offset", offset); | |
401 | // This also updates ruler_offset_ | |
402 | set_offset(offset); | |
403 | } catch (boost::archive::archive_exception) { | |
404 | qDebug() << "Could not restore the view offset"; | |
405 | } | |
3a21afa6 SA |
406 | } |
407 | ||
37849039 SA |
408 | if (settings.contains("splitter_state")) |
409 | splitter_->restoreState(settings.value("splitter_state").toByteArray()); | |
410 | ||
89914a86 SA |
411 | if (settings.contains("segment_display_mode")) |
412 | set_segment_display_mode( | |
413 | (Trace::SegmentDisplayMode)(settings.value("segment_display_mode").toInt())); | |
414 | ||
f4e57597 | 415 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
416 | settings.beginGroup(signal->base()->internal_name()); |
417 | signal->restore_settings(settings); | |
418 | settings.endGroup(); | |
419 | } | |
39ab01e7 SA |
420 | |
421 | if (settings.contains("v_offset")) { | |
422 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
423 | set_v_offset(saved_v_offset_); | |
e62bee73 | 424 | scroll_needs_defaults_ = false; |
5f9b7de5 | 425 | // Note: see eventFilter() for additional information |
39ab01e7 | 426 | } |
4cc2e925 SA |
427 | |
428 | settings_restored_ = true; | |
28ceff25 | 429 | suppress_zoom_to_fit_after_acq_ = true; |
bca3faab SA |
430 | |
431 | // Update the ruler so that it uses the new scale | |
432 | calculate_tick_spacing(); | |
3a21afa6 SA |
433 | } |
434 | ||
2496bf45 JH |
435 | vector< shared_ptr<TimeItem> > View::time_items() const |
436 | { | |
8914fe79 JH |
437 | const vector<shared_ptr<Flag>> f(flags()); |
438 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a206446 SA |
439 | |
440 | if (cursors_) { | |
441 | items.push_back(cursors_); | |
442 | items.push_back(cursors_->first()); | |
443 | items.push_back(cursors_->second()); | |
444 | } | |
1a2288a1 | 445 | |
92ff2b60 TS |
446 | for (auto trigger_marker : trigger_markers_) |
447 | items.push_back(trigger_marker); | |
1a2288a1 | 448 | |
2496bf45 JH |
449 | return items; |
450 | } | |
451 | ||
cdf7bea7 | 452 | double View::scale() const |
adb4b10c | 453 | { |
8dbbc7f0 | 454 | return scale_; |
adb4b10c JH |
455 | } |
456 | ||
4b0af0b6 JS |
457 | void View::set_scale(double scale) |
458 | { | |
459 | if (scale_ != scale) { | |
460 | scale_ = scale; | |
25e734c8 | 461 | scale_changed(); |
4b0af0b6 JS |
462 | } |
463 | } | |
464 | ||
451dc5f3 | 465 | void View::set_offset(const pv::util::Timestamp& offset, bool force_update) |
4b0af0b6 | 466 | { |
451dc5f3 | 467 | if ((offset_ != offset) || force_update) { |
4b0af0b6 | 468 | offset_ = offset; |
ffc00fdd | 469 | ruler_offset_ = offset_ + ruler_shift_; |
25e734c8 | 470 | offset_changed(); |
4b0af0b6 JS |
471 | } |
472 | } | |
473 | ||
ffc00fdd C |
474 | const Timestamp& View::offset() const |
475 | { | |
476 | return offset_; | |
477 | } | |
478 | ||
ffc00fdd C |
479 | const Timestamp& View::ruler_offset() const |
480 | { | |
481 | return ruler_offset_; | |
482 | } | |
483 | ||
451dc5f3 SA |
484 | void View::set_zero_position(pv::util::Timestamp& position) |
485 | { | |
486 | ruler_shift_ = -position; | |
487 | ||
488 | // Force an immediate update of the offsets | |
489 | set_offset(offset_, true); | |
490 | ruler_->update(); | |
491 | } | |
492 | ||
493 | void View::reset_zero_position() | |
494 | { | |
495 | ruler_shift_ = 0; | |
496 | ||
497 | // Force an immediate update of the offsets | |
498 | set_offset(offset_, true); | |
499 | ruler_->update(); | |
500 | } | |
501 | ||
7ff0145f | 502 | int View::owner_visual_v_offset() const |
adb4b10c | 503 | { |
33094993 | 504 | return -scrollarea_->verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
505 | } |
506 | ||
4d476647 JH |
507 | void View::set_v_offset(int offset) |
508 | { | |
33094993 | 509 | scrollarea_->verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
510 | header_->update(); |
511 | viewport_->update(); | |
512 | } | |
513 | ||
3e769a37 JH |
514 | unsigned int View::depth() const |
515 | { | |
516 | return 0; | |
517 | } | |
518 | ||
89914a86 SA |
519 | uint32_t View::current_segment() const |
520 | { | |
521 | return current_segment_; | |
522 | } | |
523 | ||
d001f416 | 524 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
525 | { |
526 | return tick_prefix_; | |
527 | } | |
528 | ||
4b0af0b6 JS |
529 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
530 | { | |
531 | if (tick_prefix_ != tick_prefix) { | |
532 | tick_prefix_ = tick_prefix; | |
25e734c8 | 533 | tick_prefix_changed(); |
4b0af0b6 JS |
534 | } |
535 | } | |
536 | ||
d40f4db7 SA |
537 | unsigned int View::tick_precision() const |
538 | { | |
539 | return tick_precision_; | |
540 | } | |
541 | ||
4b0af0b6 JS |
542 | void View::set_tick_precision(unsigned tick_precision) |
543 | { | |
544 | if (tick_precision_ != tick_precision) { | |
545 | tick_precision_ = tick_precision; | |
25e734c8 | 546 | tick_precision_changed(); |
4b0af0b6 JS |
547 | } |
548 | } | |
549 | ||
c677193d | 550 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
551 | { |
552 | return tick_period_; | |
553 | } | |
554 | ||
4a076157 C |
555 | unsigned int View::minor_tick_count() const |
556 | { | |
557 | return minor_tick_count_; | |
558 | } | |
559 | ||
c677193d | 560 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
561 | { |
562 | if (tick_period_ != tick_period) { | |
563 | tick_period_ = tick_period; | |
25e734c8 | 564 | tick_period_changed(); |
4b0af0b6 JS |
565 | } |
566 | } | |
567 | ||
ef454ad5 SA |
568 | TimeUnit View::time_unit() const |
569 | { | |
570 | return time_unit_; | |
571 | } | |
572 | ||
4b0af0b6 JS |
573 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
574 | { | |
575 | if (time_unit_ != time_unit) { | |
576 | time_unit_ = time_unit; | |
25e734c8 | 577 | time_unit_changed(); |
4b0af0b6 JS |
578 | } |
579 | } | |
580 | ||
558ad6ce SA |
581 | void View::set_current_segment(uint32_t segment_id) |
582 | { | |
583 | current_segment_ = segment_id; | |
584 | ||
585 | for (shared_ptr<Signal> signal : signals_) | |
586 | signal->set_current_segment(current_segment_); | |
57c04e78 | 587 | #ifdef ENABLE_DECODE |
558ad6ce SA |
588 | for (shared_ptr<DecodeTrace> dt : decode_traces_) |
589 | dt->set_current_segment(current_segment_); | |
57c04e78 | 590 | #endif |
558ad6ce | 591 | |
451dc5f3 SA |
592 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); |
593 | ||
7ea2a4ff | 594 | trigger_markers_.clear(); |
451dc5f3 | 595 | for (util::Timestamp timestamp : triggers) |
7ea2a4ff SA |
596 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, timestamp)); |
597 | ||
451dc5f3 SA |
598 | // When enabled, the first trigger for this segment is used as the zero position |
599 | GlobalSettings settings; | |
600 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
601 | ||
602 | if (trigger_is_zero_time && (triggers.size() > 0)) | |
603 | set_zero_position(triggers.front()); | |
604 | ||
558ad6ce | 605 | viewport_->update(); |
89914a86 SA |
606 | |
607 | segment_changed(segment_id); | |
558ad6ce SA |
608 | } |
609 | ||
7daebd05 SA |
610 | bool View::segment_is_selectable() const |
611 | { | |
612 | return segment_selectable_; | |
613 | } | |
614 | ||
89914a86 SA |
615 | Trace::SegmentDisplayMode View::segment_display_mode() const |
616 | { | |
617 | return segment_display_mode_; | |
618 | } | |
619 | ||
7daebd05 SA |
620 | void View::set_segment_display_mode(Trace::SegmentDisplayMode mode) |
621 | { | |
7ea2a4ff SA |
622 | trigger_markers_.clear(); |
623 | ||
89914a86 SA |
624 | segment_display_mode_ = mode; |
625 | ||
7daebd05 SA |
626 | for (shared_ptr<Signal> signal : signals_) |
627 | signal->set_segment_display_mode(mode); | |
628 | ||
89914a86 SA |
629 | uint32_t last_segment = session_.get_segment_count() - 1; |
630 | ||
631 | switch (mode) { | |
632 | case Trace::ShowLastSegmentOnly: | |
633 | if (current_segment_ != last_segment) | |
634 | set_current_segment(last_segment); | |
635 | break; | |
636 | ||
637 | case Trace::ShowLastCompleteSegmentOnly: | |
638 | // Do nothing if we only have one segment so far | |
639 | if (last_segment > 0) { | |
640 | // If the last segment isn't complete, the previous one must be | |
641 | uint32_t segment_id = | |
642 | (session_.all_segments_complete(last_segment)) ? | |
643 | last_segment : last_segment - 1; | |
644 | ||
645 | if (current_segment_ != segment_id) | |
646 | set_current_segment(segment_id); | |
647 | } | |
648 | break; | |
649 | ||
650 | case Trace::ShowSingleSegmentOnly: | |
651 | case Trace::ShowAllSegments: | |
652 | case Trace::ShowAccumulatedIntensity: | |
653 | default: | |
654 | // Current segment remains as-is | |
655 | break; | |
656 | } | |
7daebd05 SA |
657 | |
658 | segment_selectable_ = true; | |
659 | ||
89914a86 | 660 | if ((mode == Trace::ShowAllSegments) || (mode == Trace::ShowAccumulatedIntensity)) |
7daebd05 SA |
661 | segment_selectable_ = false; |
662 | ||
89914a86 SA |
663 | viewport_->update(); |
664 | ||
665 | segment_display_mode_changed((int)mode, segment_selectable_); | |
7daebd05 SA |
666 | } |
667 | ||
cdf7bea7 | 668 | void View::zoom(double steps) |
adb4b10c | 669 | { |
8dbbc7f0 | 670 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
671 | } |
672 | ||
17c0f398 JH |
673 | void View::zoom(double steps, int offset) |
674 | { | |
c063290a | 675 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
676 | } |
677 | ||
ce11b2ea | 678 | void View::zoom_fit(bool gui_state) |
ca46b534 | 679 | { |
ce11b2ea SA |
680 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
681 | if (session_.get_capture_state() == Session::Stopped) { | |
682 | always_zoom_to_fit_ = false; | |
683 | always_zoom_to_fit_changed(false); | |
684 | } else { | |
685 | always_zoom_to_fit_ = gui_state; | |
686 | always_zoom_to_fit_changed(gui_state); | |
687 | } | |
688 | ||
60d9b99a JS |
689 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
690 | const Timestamp delta = extents.second - extents.first; | |
691 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
692 | return; |
693 | ||
8dbbc7f0 JH |
694 | assert(viewport_); |
695 | const int w = viewport_->width(); | |
ca46b534 JH |
696 | if (w <= 0) |
697 | return; | |
698 | ||
60d9b99a JS |
699 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
700 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
701 | } |
702 | ||
d1e7d82c JH |
703 | void View::zoom_one_to_one() |
704 | { | |
705 | using pv::data::SignalData; | |
706 | ||
d1e7d82c | 707 | // Make a set of all the visible data objects |
0fc664a9 | 708 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
709 | if (visible_data.empty()) |
710 | return; | |
711 | ||
8dbbc7f0 JH |
712 | assert(viewport_); |
713 | const int w = viewport_->width(); | |
d1e7d82c JH |
714 | if (w <= 0) |
715 | return; | |
716 | ||
2220e942 | 717 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
718 | } |
719 | ||
60d9b99a | 720 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 721 | { |
ce11b2ea SA |
722 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
723 | // and user drags the viewport | |
c7b03d9d | 724 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
725 | (session_.get_capture_state() == Session::Running)) { |
726 | ||
727 | if (sticky_scrolling_) { | |
728 | sticky_scrolling_ = false; | |
729 | sticky_scrolling_changed(false); | |
730 | } | |
731 | ||
732 | if (always_zoom_to_fit_) { | |
733 | always_zoom_to_fit_ = false; | |
734 | always_zoom_to_fit_changed(false); | |
735 | } | |
c7b03d9d SA |
736 | } |
737 | ||
4b0af0b6 JS |
738 | set_scale(scale); |
739 | set_offset(offset); | |
ccdd3ef5 | 740 | |
361c560e JH |
741 | calculate_tick_spacing(); |
742 | ||
adb4b10c | 743 | update_scroll(); |
8dbbc7f0 | 744 | ruler_->update(); |
8dbbc7f0 | 745 | viewport_->update(); |
adb4b10c JH |
746 | } |
747 | ||
1bc6525b JH |
748 | set< shared_ptr<SignalData> > View::get_visible_data() const |
749 | { | |
1bc6525b JH |
750 | // Make a set of all the visible data objects |
751 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 752 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
753 | if (sig->enabled()) |
754 | visible_data.insert(sig->data()); | |
755 | ||
756 | return visible_data; | |
757 | } | |
758 | ||
60d9b99a | 759 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 760 | { |
60d9b99a | 761 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 762 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 763 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 764 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 765 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
766 | double samplerate = s->samplerate(); |
767 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
768 | ||
60d9b99a JS |
769 | const Timestamp start_time = s->start_time(); |
770 | left_time = left_time ? | |
771 | min(*left_time, start_time) : | |
772 | start_time; | |
773 | right_time = right_time ? | |
774 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
775 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 776 | } |
1bc6525b JH |
777 | } |
778 | ||
60d9b99a JS |
779 | if (!left_time || !right_time) |
780 | return make_pair(0, 0); | |
7f4038d6 | 781 | |
60d9b99a JS |
782 | assert(*left_time < *right_time); |
783 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
784 | } |
785 | ||
051ba3b3 UH |
786 | void View::enable_show_sampling_points(bool state) |
787 | { | |
788 | (void)state; | |
789 | ||
790 | viewport_->update(); | |
791 | } | |
792 | ||
8ad61f40 UH |
793 | void View::enable_show_analog_minor_grid(bool state) |
794 | { | |
795 | (void)state; | |
796 | ||
797 | viewport_->update(); | |
798 | } | |
799 | ||
641574bc | 800 | void View::enable_colored_bg(bool state) |
574c568d | 801 | { |
641574bc | 802 | colored_bg_ = state; |
574c568d SA |
803 | viewport_->update(); |
804 | } | |
805 | ||
641574bc | 806 | bool View::colored_bg() const |
48995388 | 807 | { |
641574bc | 808 | return colored_bg_; |
48995388 JH |
809 | } |
810 | ||
f76af637 JH |
811 | bool View::cursors_shown() const |
812 | { | |
8dbbc7f0 | 813 | return show_cursors_; |
f76af637 JH |
814 | } |
815 | ||
816 | void View::show_cursors(bool show) | |
817 | { | |
8dbbc7f0 | 818 | show_cursors_ = show; |
e4e5a958 | 819 | cursor_state_changed(show); |
819e2e95 | 820 | ruler_->update(); |
8dbbc7f0 | 821 | viewport_->update(); |
f76af637 JH |
822 | } |
823 | ||
b4d91e56 JH |
824 | void View::centre_cursors() |
825 | { | |
5a206446 SA |
826 | if (cursors_) { |
827 | const double time_width = scale_ * viewport_->width(); | |
828 | cursors_->first()->set_time(offset_ + time_width * 0.4); | |
829 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
830 | ||
831 | ruler_->update(); | |
832 | viewport_->update(); | |
833 | } | |
b4d91e56 JH |
834 | } |
835 | ||
6f925ba9 | 836 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 837 | { |
8dbbc7f0 | 838 | return cursors_; |
58864c5c JH |
839 | } |
840 | ||
60d9b99a | 841 | void View::add_flag(const Timestamp& time) |
8914fe79 | 842 | { |
067bb624 UH |
843 | flags_.push_back(make_shared<Flag>(*this, time, |
844 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 845 | |
8914fe79 JH |
846 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
847 | (next_flag_text_ + 1); | |
48257a69 | 848 | |
8914fe79 JH |
849 | time_item_appearance_changed(true, true); |
850 | } | |
851 | ||
6f925ba9 | 852 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
853 | { |
854 | flags_.remove(flag); | |
855 | time_item_appearance_changed(true, true); | |
856 | } | |
857 | ||
6f925ba9 | 858 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 859 | { |
6f925ba9 | 860 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
861 | stable_sort(flags.begin(), flags.end(), |
862 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
863 | return a->time() < b->time(); | |
864 | }); | |
865 | ||
866 | return flags; | |
867 | } | |
868 | ||
cbd80f64 JH |
869 | const QPoint& View::hover_point() const |
870 | { | |
8dbbc7f0 | 871 | return hover_point_; |
cbd80f64 JH |
872 | } |
873 | ||
af503b10 | 874 | void View::restack_all_trace_tree_items() |
7ff0145f | 875 | { |
873cbed0 | 876 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
877 | const vector<shared_ptr<TraceTreeItem>> items( |
878 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 879 | set< TraceTreeItemOwner* > owners; |
cc88566c | 880 | for (const auto &r : items) |
4800cf9a | 881 | owners.insert(r->owner()); |
af503b10 | 882 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 883 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 884 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
885 | return a->depth() > b->depth(); }); |
886 | ||
887 | // Restack the items recursively | |
888 | for (auto &o : sorted_owners) | |
889 | o->restack_items(); | |
890 | ||
891 | // Animate the items to their destination | |
cef5997e JH |
892 | for (const auto &i : items) |
893 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
894 | } |
895 | ||
d0c0573b SA |
896 | void View::on_setting_changed(const QString &key, const QVariant &value) |
897 | { | |
898 | if (key == GlobalSettings::Key_View_TriggerIsZeroTime) | |
899 | on_settingViewTriggerIsZeroTime_changed(value); | |
900 | } | |
901 | ||
7ea2a4ff | 902 | void View::trigger_event(int segment_id, util::Timestamp location) |
48257a69 | 903 | { |
7ea2a4ff SA |
904 | // TODO This doesn't work if we're showing multiple segments at once |
905 | if ((uint32_t)segment_id != current_segment_) | |
906 | return; | |
907 | ||
451dc5f3 SA |
908 | // Set zero location if the Key_View_TriggerIsZeroTime setting is set and |
909 | // if this is the first trigger for this segment. | |
ffc00fdd C |
910 | GlobalSettings settings; |
911 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
912 | ||
451dc5f3 SA |
913 | size_t trigger_count = session_.get_triggers(current_segment_).size(); |
914 | ||
915 | if (trigger_is_zero_time && trigger_count == 1) | |
916 | set_zero_position(location); | |
ffc00fdd | 917 | |
067bb624 | 918 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
919 | } |
920 | ||
60d9b99a | 921 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 922 | { |
60d9b99a JS |
923 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
924 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 925 | offset = offset_ / scale_; |
f25770e2 JH |
926 | } |
927 | ||
d1e7d82c JH |
928 | void View::set_zoom(double scale, int offset) |
929 | { | |
ce11b2ea SA |
930 | // Reset the "always zoom to fit" feature as the user changed the zoom |
931 | always_zoom_to_fit_ = false; | |
932 | always_zoom_to_fit_changed(false); | |
933 | ||
60d9b99a JS |
934 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
935 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
936 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
937 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
938 | } |
939 | ||
361c560e JH |
940 | void View::calculate_tick_spacing() |
941 | { | |
8a1bc087 | 942 | const double SpacingIncrement = 10.0f; |
8a463dbc | 943 | const double MinValueSpacing = 40.0f; |
361c560e | 944 | |
1e124d4b SA |
945 | // Figure out the highest numeric value visible on a label |
946 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 947 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
948 | fabs(offset_ + scale_ * areaSize.width())); |
949 | ||
d40f4db7 SA |
950 | double min_width = SpacingIncrement; |
951 | double label_width, tick_period_width; | |
361c560e JH |
952 | |
953 | QFontMetrics m(QApplication::font()); | |
954 | ||
adb3831e JS |
955 | // Copies of the member variables with the same name, used in the calculation |
956 | // and written back afterwards, so that we don't emit signals all the time | |
957 | // during the calculation. | |
958 | pv::util::Timestamp tick_period = tick_period_; | |
959 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
960 | unsigned tick_precision = tick_precision_; | |
961 | ||
361c560e JH |
962 | do { |
963 | const double min_period = scale_ * min_width; | |
964 | ||
965 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
966 | const pv::util::Timestamp order_decimal = |
967 | pow(pv::util::Timestamp(10), order); | |
361c560e | 968 | |
8a1bc087 SA |
969 | // Allow for a margin of error so that a scale unit of 1 can be used. |
970 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
971 | // the min_period by a small amount - and thus skipped in favor of 2. | |
972 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
973 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
974 | double tp_with_margin; | |
361c560e JH |
975 | unsigned int unit = 0; |
976 | ||
977 | do { | |
c677193d JS |
978 | tp_with_margin = order_decimal.convert_to<double>() * |
979 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 980 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 981 | |
e4cc0ee6 | 982 | minor_tick_count_ = (unit == 2) ? 4 : 5; |
adb3831e JS |
983 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
984 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
985 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 986 | |
d40f4db7 SA |
987 | // Precision is the number of fractional digits required, not |
988 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 989 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 990 | |
adb3831e | 991 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 992 | |
3ccf0f7f JS |
993 | const QString label_text = Ruler::format_time_with_distance( |
994 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
995 | |
996 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
997 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
998 | MinValueSpacing; |
999 | ||
1000 | min_width += SpacingIncrement; | |
d40f4db7 | 1001 | } while (tick_period_width < label_width); |
adb3831e JS |
1002 | |
1003 | set_tick_period(tick_period); | |
1004 | set_tick_prefix(tick_prefix); | |
1005 | set_tick_precision(tick_precision); | |
361c560e JH |
1006 | } |
1007 | ||
8a5fd81f SA |
1008 | void View::adjust_top_margin() |
1009 | { | |
1010 | assert(viewport_); | |
1011 | ||
1012 | const QSize areaSize = viewport_->size(); | |
1013 | ||
1014 | const pair<int, int> extents = v_extents(); | |
1015 | const int top_margin = owner_visual_v_offset() + extents.first; | |
1016 | const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second; | |
1017 | ||
1018 | // Do we have empty space at the top while the last trace goes out of screen? | |
1019 | if ((top_margin > 0) && (trace_bottom > areaSize.height())) { | |
1020 | const int trace_height = extents.second - extents.first; | |
1021 | ||
1022 | // Center everything vertically if there is enough space | |
1023 | if (areaSize.height() >= trace_height) | |
1024 | set_v_offset(extents.first - | |
1025 | ((areaSize.height() - trace_height) / 2)); | |
1026 | else | |
1027 | // Remove the top margin to make as many traces fit on screen as possible | |
1028 | set_v_offset(extents.first); | |
1029 | } | |
1030 | } | |
1031 | ||
cdf7bea7 | 1032 | void View::update_scroll() |
adb4b10c | 1033 | { |
8dbbc7f0 | 1034 | assert(viewport_); |
33094993 SA |
1035 | QScrollBar *hscrollbar = scrollarea_->horizontalScrollBar(); |
1036 | QScrollBar *vscrollbar = scrollarea_->verticalScrollBar(); | |
adb4b10c | 1037 | |
8dbbc7f0 | 1038 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
1039 | |
1040 | // Set the horizontal scroll bar | |
60d9b99a JS |
1041 | double length = 0; |
1042 | Timestamp offset; | |
f25770e2 JH |
1043 | get_scroll_layout(length, offset); |
1044 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 1045 | |
c677193d | 1046 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 1047 | |
f4e57597 SA |
1048 | hscrollbar->setPageStep(areaSize.width() / 2); |
1049 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 1050 | |
8dbbc7f0 | 1051 | updating_scroll_ = true; |
528bd8a1 | 1052 | |
333d5bbc | 1053 | if (length < MaxScrollValue) { |
f4e57597 SA |
1054 | hscrollbar->setRange(0, length); |
1055 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 1056 | } else { |
f4e57597 SA |
1057 | hscrollbar->setRange(0, MaxScrollValue); |
1058 | hscrollbar->setSliderPosition( | |
60d9b99a | 1059 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 1060 | } |
adb4b10c | 1061 | |
8dbbc7f0 | 1062 | updating_scroll_ = false; |
528bd8a1 | 1063 | |
adb4b10c | 1064 | // Set the vertical scrollbar |
f4e57597 SA |
1065 | vscrollbar->setPageStep(areaSize.height()); |
1066 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
1067 | |
1068 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
1069 | |
1070 | // Don't change the scrollbar range if there are no traces | |
1071 | if (extents.first != extents.second) | |
f4e57597 | 1072 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
1073 | extents.second); |
1074 | ||
e62bee73 | 1075 | if (scroll_needs_defaults_) |
925763b0 SA |
1076 | set_scroll_default(); |
1077 | } | |
1078 | ||
1079 | void View::reset_scroll() | |
1080 | { | |
33094993 | 1081 | scrollarea_->verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
1082 | } |
1083 | ||
1084 | void View::set_scroll_default() | |
1085 | { | |
1086 | assert(viewport_); | |
1087 | ||
1088 | const QSize areaSize = viewport_->size(); | |
1089 | ||
925763b0 SA |
1090 | const pair<int, int> extents = v_extents(); |
1091 | const int trace_height = extents.second - extents.first; | |
1092 | ||
1093 | // Do all traces fit in the view? | |
1094 | if (areaSize.height() >= trace_height) | |
1095 | // Center all traces vertically | |
1096 | set_v_offset(extents.first - | |
1097 | ((areaSize.height() - trace_height) / 2)); | |
1098 | else | |
1099 | // Put the first trace at the top, letting the bottom ones overflow | |
1100 | set_v_offset(extents.first); | |
adb4b10c JH |
1101 | } |
1102 | ||
9510aea0 | 1103 | void View::determine_if_header_was_shrunk() |
33094993 SA |
1104 | { |
1105 | const int header_pane_width = splitter_->sizes().front(); | |
1106 | const int header_width = header_->extended_size_hint().width(); | |
1107 | ||
e0be5f21 SA |
1108 | // Allow for a slight margin of error so that we also accept |
1109 | // slight differences when e.g. a label name change increased | |
1110 | // the overall width | |
9510aea0 | 1111 | header_was_shrunk_ = (header_pane_width < (header_width - 10)); |
33094993 SA |
1112 | } |
1113 | ||
60c426a0 | 1114 | void View::resize_header_to_fit() |
d7c0ca4a | 1115 | { |
572c3bb7 SA |
1116 | // Setting the maximum width of the header widget doesn't work as |
1117 | // expected because the splitter would allow the user to make the | |
1118 | // pane wider than that, creating empty space as a result. | |
1119 | // To make this work, we stricly enforce the maximum width by | |
1120 | // expanding the header unless the user shrunk it on purpose. | |
1121 | // As we're then setting the width of the header pane, we set the | |
1122 | // splitter to the maximum allowed position. | |
1123 | ||
76750c41 SA |
1124 | int splitter_area_width = 0; |
1125 | for (int w : splitter_->sizes()) | |
1126 | splitter_area_width += w; | |
33094993 | 1127 | |
76750c41 SA |
1128 | // Make sure the header has enough horizontal space to show all labels fully |
1129 | QList<int> pane_sizes; | |
1130 | pane_sizes.push_back(header_->extended_size_hint().width()); | |
1131 | pane_sizes.push_back(splitter_area_width - header_->extended_size_hint().width()); | |
1132 | splitter_->setSizes(pane_sizes); | |
1133 | } | |
1134 | ||
1135 | void View::update_layout() | |
1136 | { | |
d7c0ca4a JH |
1137 | update_scroll(); |
1138 | } | |
1139 | ||
af503b10 | 1140 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 1141 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 1142 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1143 | &signal_map) |
448a72cf | 1144 | { |
cf124e47 | 1145 | assert(group); |
448a72cf | 1146 | |
af503b10 JH |
1147 | unordered_set<TraceTreeItemOwner*> owners; |
1148 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 1149 | |
cf124e47 JH |
1150 | // Make a set and a list of all the owners |
1151 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
1152 | for (auto entry : signal_map) { |
1153 | if (entry.first->channel() == channel) { | |
1154 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
1155 | owner_list.push_back(o); | |
1156 | owners.insert(o); | |
1157 | } | |
1158 | } | |
cf124e47 | 1159 | } |
448a72cf | 1160 | |
cf124e47 JH |
1161 | // Iterate through the list of owners, and find the most prevalent |
1162 | size_t max_prevalence = 0; | |
af503b10 JH |
1163 | TraceTreeItemOwner *prevalent_owner = nullptr; |
1164 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 1165 | const size_t prevalence = count_if( |
cf124e47 | 1166 | owner_list.begin(), owner_list.end(), |
af503b10 | 1167 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
1168 | if (prevalence > max_prevalence) { |
1169 | max_prevalence = prevalence; | |
1170 | prevalent_owner = owner; | |
1171 | } | |
448a72cf JH |
1172 | } |
1173 | ||
cf124e47 | 1174 | return prevalent_owner; |
448a72cf JH |
1175 | } |
1176 | ||
cf124e47 JH |
1177 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
1178 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 1179 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
1180 | &signal_map, |
1181 | set< shared_ptr<Trace> > &add_list) | |
1182 | { | |
1183 | vector< shared_ptr<Trace> > filtered_traces; | |
1184 | ||
2ad82c2e | 1185 | for (const auto &channel : channels) { |
bf0edd2b SA |
1186 | for (auto entry : signal_map) { |
1187 | if (entry.first->channel() == channel) { | |
1188 | shared_ptr<Trace> trace = entry.second; | |
1189 | const auto list_iter = add_list.find(trace); | |
1190 | if (list_iter == add_list.end()) | |
1191 | continue; | |
1192 | ||
1193 | filtered_traces.push_back(trace); | |
1194 | add_list.erase(list_iter); | |
1195 | } | |
1196 | } | |
cf124e47 JH |
1197 | } |
1198 | ||
1199 | return filtered_traces; | |
448a72cf JH |
1200 | } |
1201 | ||
ef454ad5 SA |
1202 | void View::determine_time_unit() |
1203 | { | |
7ee199a7 | 1204 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 1205 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 1206 | // Check all signals but... |
47e9e7bb | 1207 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
1208 | const shared_ptr<SignalData> data = signal->data(); |
1209 | ||
1210 | // ...only check first segment of each | |
1211 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
1212 | if (!segments.empty()) | |
1213 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 1214 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
1215 | break; |
1216 | } | |
1217 | } | |
ef454ad5 SA |
1218 | } |
1219 | } | |
1220 | ||
cbd80f64 JH |
1221 | bool View::eventFilter(QObject *object, QEvent *event) |
1222 | { | |
1223 | const QEvent::Type type = event->type(); | |
333d5bbc | 1224 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
1225 | |
1226 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
1227 | if (object == viewport_) |
1228 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 1229 | else if (object == ruler_) |
8dbbc7f0 JH |
1230 | hover_point_ = QPoint(mouse_event->x(), 0); |
1231 | else if (object == header_) | |
1232 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 1233 | else |
8dbbc7f0 | 1234 | hover_point_ = QPoint(-1, -1); |
cbd80f64 | 1235 | |
873e8035 | 1236 | update_hover_point(); |
cbd80f64 | 1237 | |
333d5bbc | 1238 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 1239 | hover_point_ = QPoint(-1, -1); |
873e8035 | 1240 | update_hover_point(); |
5f9b7de5 SA |
1241 | } else if (type == QEvent::Show) { |
1242 | ||
1243 | // This is somewhat of a hack, unfortunately. We cannot use | |
1244 | // set_v_offset() from within restore_settings() as the view | |
1245 | // at that point is neither visible nor properly sized. | |
1246 | // This is the least intrusive workaround I could come up | |
1247 | // with: set the vertical offset (or scroll defaults) when | |
1248 | // the view is shown, which happens after all widgets were | |
1249 | // resized to their final sizes. | |
1250 | update_layout(); | |
1251 | ||
60c426a0 SA |
1252 | if (settings_restored_) |
1253 | determine_if_header_was_shrunk(); | |
1254 | else | |
1255 | resize_header_to_fit(); | |
b760e6e0 | 1256 | |
5f9b7de5 SA |
1257 | if (scroll_needs_defaults_) { |
1258 | set_scroll_default(); | |
1259 | scroll_needs_defaults_ = false; | |
1260 | } | |
1261 | ||
1262 | if (saved_v_offset_) { | |
1263 | set_v_offset(saved_v_offset_); | |
1264 | saved_v_offset_ = 0; | |
1265 | } | |
cbd80f64 JH |
1266 | } |
1267 | ||
1268 | return QObject::eventFilter(object, event); | |
1269 | } | |
1270 | ||
8a5fd81f | 1271 | void View::resizeEvent(QResizeEvent* event) |
adb4b10c | 1272 | { |
8a5fd81f SA |
1273 | // Only adjust the top margin if we shrunk vertically |
1274 | if (event->size().height() < event->oldSize().height()) | |
1275 | adjust_top_margin(); | |
1276 | ||
d7c0ca4a | 1277 | update_layout(); |
adb4b10c JH |
1278 | } |
1279 | ||
873e8035 SA |
1280 | void View::update_hover_point() |
1281 | { | |
1282 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( | |
1283 | list_by_type<TraceTreeItem>()); | |
1284 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
1285 | r->hover_point_changed(hover_point_); | |
1286 | ||
1287 | hover_point_changed(hover_point_); | |
1288 | } | |
1289 | ||
6e2c3c85 | 1290 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1291 | { |
1292 | if (label) | |
8dbbc7f0 | 1293 | header_->update(); |
32218d3e | 1294 | if (content) |
8dbbc7f0 | 1295 | viewport_->update(); |
32218d3e JH |
1296 | } |
1297 | ||
98cfe4e8 JH |
1298 | void View::time_item_appearance_changed(bool label, bool content) |
1299 | { | |
e0be5f21 | 1300 | if (label) { |
819e2e95 | 1301 | ruler_->update(); |
e0be5f21 SA |
1302 | |
1303 | // Make sure the header pane width is updated, too | |
1304 | update_layout(); | |
1305 | } | |
1306 | ||
98cfe4e8 JH |
1307 | if (content) |
1308 | viewport_->update(); | |
1309 | } | |
1310 | ||
32218d3e JH |
1311 | void View::extents_changed(bool horz, bool vert) |
1312 | { | |
8dbbc7f0 | 1313 | sticky_events_ |= |
af503b10 JH |
1314 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1315 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 1316 | |
8dbbc7f0 | 1317 | lazy_event_handler_.start(); |
32218d3e JH |
1318 | } |
1319 | ||
00c518d6 SA |
1320 | void View::on_signal_name_changed() |
1321 | { | |
9510aea0 | 1322 | if (!header_was_shrunk_) |
60c426a0 | 1323 | resize_header_to_fit(); |
00c518d6 SA |
1324 | } |
1325 | ||
e0be5f21 SA |
1326 | void View::on_splitter_moved() |
1327 | { | |
9510aea0 SA |
1328 | // The header can only shrink when the splitter is moved manually |
1329 | determine_if_header_was_shrunk(); | |
1330 | ||
1331 | if (!header_was_shrunk_) | |
60c426a0 | 1332 | resize_header_to_fit(); |
e0be5f21 SA |
1333 | } |
1334 | ||
b16907d3 | 1335 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1336 | { |
8dbbc7f0 | 1337 | if (updating_scroll_) |
528bd8a1 JH |
1338 | return; |
1339 | ||
c7b03d9d SA |
1340 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1341 | // during a running acquisition | |
1342 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1343 | sticky_scrolling_ = false; | |
1344 | sticky_scrolling_changed(false); | |
1345 | } | |
1346 | ||
33094993 | 1347 | const int range = scrollarea_->horizontalScrollBar()->maximum(); |
333d5bbc | 1348 | if (range < MaxScrollValue) |
4b0af0b6 | 1349 | set_offset(scale_ * value); |
f25770e2 | 1350 | else { |
60d9b99a JS |
1351 | double length = 0; |
1352 | Timestamp offset; | |
f25770e2 | 1353 | get_scroll_layout(length, offset); |
4b0af0b6 | 1354 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1355 | } |
1356 | ||
8dbbc7f0 | 1357 | ruler_->update(); |
8dbbc7f0 | 1358 | viewport_->update(); |
adb4b10c JH |
1359 | } |
1360 | ||
f8400017 | 1361 | void View::v_scroll_value_changed() |
adb4b10c | 1362 | { |
8dbbc7f0 JH |
1363 | header_->update(); |
1364 | viewport_->update(); | |
adb4b10c JH |
1365 | } |
1366 | ||
69dd2b03 JH |
1367 | void View::signals_changed() |
1368 | { | |
769a79b5 JH |
1369 | using sigrok::Channel; |
1370 | ||
925763b0 SA |
1371 | vector< shared_ptr<Channel> > channels; |
1372 | shared_ptr<sigrok::Device> sr_dev; | |
60c426a0 | 1373 | bool signals_added_or_removed = false; |
68b21a71 | 1374 | |
925763b0 SA |
1375 | // Do we need to set the vertical scrollbar to its default position later? |
1376 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1377 | bool reset_scrollbar = | |
33094993 SA |
1378 | (scrollarea_->verticalScrollBar()->minimum() == |
1379 | scrollarea_->verticalScrollBar()->maximum()); | |
925763b0 SA |
1380 | |
1381 | if (!session_.device()) { | |
1382 | reset_scroll(); | |
47e9e7bb | 1383 | signals_.clear(); |
925763b0 | 1384 | } else { |
925763b0 | 1385 | sr_dev = session_.device()->device(); |
3b353d67 | 1386 | assert(sr_dev); |
925763b0 SA |
1387 | channels = sr_dev->channels(); |
1388 | } | |
e37e05f7 | 1389 | |
925763b0 | 1390 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1391 | |
cf124e47 JH |
1392 | // Make a list of traces that are being added, and a list of traces |
1393 | // that are being removed | |
364d2155 JH |
1394 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1395 | const set<shared_ptr<Trace>> prev_traces( | |
1396 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1397 | |
47e9e7bb | 1398 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1399 | |
1400 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1401 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1402 | #endif |
1403 | ||
1404 | set< shared_ptr<Trace> > add_traces; | |
1405 | set_difference(traces.begin(), traces.end(), | |
1406 | prev_traces.begin(), prev_traces.end(), | |
1407 | inserter(add_traces, add_traces.begin())); | |
1408 | ||
1409 | set< shared_ptr<Trace> > remove_traces; | |
1410 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1411 | traces.begin(), traces.end(), | |
1412 | inserter(remove_traces, remove_traces.begin())); | |
1413 | ||
1414 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1415 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1416 | signal_map; |
47e9e7bb | 1417 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1418 | signal_map[sig->base()] = sig; |
448a72cf JH |
1419 | |
1420 | // Populate channel groups | |
925763b0 SA |
1421 | if (sr_dev) |
1422 | for (auto entry : sr_dev->channel_groups()) { | |
1423 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1424 | ||
1425 | if (group->channels().size() <= 1) | |
1426 | continue; | |
1427 | ||
1428 | // Find best trace group to add to | |
1429 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1430 | group, signal_map); | |
1431 | ||
1432 | // If there is no trace group, create one | |
1433 | shared_ptr<TraceGroup> new_trace_group; | |
1434 | if (!owner) { | |
1435 | new_trace_group.reset(new TraceGroup()); | |
1436 | owner = new_trace_group.get(); | |
1437 | } | |
1438 | ||
1439 | // Extract traces for the trace group, removing them from | |
1440 | // the add list | |
1441 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1442 | extract_new_traces_for_channels(group->channels(), | |
1443 | signal_map, add_traces); | |
1444 | ||
1445 | // Add the traces to the group | |
1446 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1447 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1448 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1449 | assert(trace); | |
1450 | owner->add_child_item(trace); | |
1451 | ||
1452 | const pair<int, int> extents = trace->v_extents(); | |
1453 | if (trace->enabled()) | |
1454 | offset += -extents.first; | |
1455 | trace->force_to_v_offset(offset); | |
1456 | if (trace->enabled()) | |
1457 | offset += extents.second; | |
1458 | } | |
1459 | ||
7d556523 SA |
1460 | if (new_trace_group) { |
1461 | // Assign proper vertical offsets to each channel in the group | |
1462 | new_trace_group->restack_items(); | |
1463 | ||
1464 | // If this is a new group, enqueue it in the new top level | |
1465 | // items list | |
1466 | if (!new_traces_in_group.empty()) | |
1467 | new_top_level_items.push_back(new_trace_group); | |
1468 | } | |
cf124e47 | 1469 | } |
68b21a71 | 1470 | |
769a79b5 JH |
1471 | // Enqueue the remaining logic channels in a group |
1472 | vector< shared_ptr<Channel> > logic_channels; | |
1473 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1474 | [](const shared_ptr<Channel>& c) { | |
1475 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1476 | |
769a79b5 | 1477 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1478 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1479 | ||
1480 | if (non_grouped_logic_signals.size() > 0) { | |
1481 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1482 | make_shared<TraceGroup>()); | |
1483 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1484 | non_grouped_trace_group->add_child_item(trace); | |
1485 | ||
1486 | non_grouped_trace_group->restack_items(); | |
1487 | new_top_level_items.push_back(non_grouped_trace_group); | |
1488 | } | |
769a79b5 | 1489 | |
cf124e47 JH |
1490 | // Enqueue the remaining channels as free ungrouped traces |
1491 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1492 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1493 | new_top_level_items.insert(new_top_level_items.end(), |
1494 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1495 | ||
1496 | // Enqueue any remaining traces i.e. decode traces | |
1497 | new_top_level_items.insert(new_top_level_items.end(), | |
1498 | add_traces.begin(), add_traces.end()); | |
1499 | ||
1500 | // Remove any removed traces | |
1501 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1502 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1503 | assert(owner); |
1504 | owner->remove_child_item(trace); | |
60c426a0 | 1505 | signals_added_or_removed = true; |
cf124e47 | 1506 | } |
448a72cf | 1507 | |
bc72e51f SA |
1508 | // Remove any empty trace groups |
1509 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1510 | if (group->child_items().size() == 0) { |
bc72e51f | 1511 | remove_child_item(group); |
e28c998e SA |
1512 | group.reset(); |
1513 | } | |
bc72e51f | 1514 | |
cf124e47 | 1515 | // Add and position the pending top levels items |
6644424f | 1516 | int offset = v_extents().second; |
cf124e47 | 1517 | for (auto item : new_top_level_items) { |
8c09273b SA |
1518 | add_child_item(item); |
1519 | ||
d6128866 | 1520 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1521 | const pair<int, int> extents = item->v_extents(); |
1522 | ||
1523 | if (item->enabled()) | |
1524 | offset += -extents.first; | |
d6128866 | 1525 | |
d6128866 | 1526 | item->force_to_v_offset(offset); |
cf124e47 | 1527 | |
cf124e47 | 1528 | if (item->enabled()) |
8c09273b | 1529 | offset += extents.second; |
60c426a0 | 1530 | signals_added_or_removed = true; |
ef8311a4 JH |
1531 | } |
1532 | ||
76750c41 | 1533 | |
60c426a0 SA |
1534 | if (signals_added_or_removed && !header_was_shrunk_) |
1535 | resize_header_to_fit(); | |
76750c41 | 1536 | |
a6c1726e | 1537 | update_layout(); |
cf124e47 JH |
1538 | |
1539 | header_->update(); | |
1540 | viewport_->update(); | |
925763b0 SA |
1541 | |
1542 | if (reset_scrollbar) | |
1543 | set_scroll_default(); | |
69dd2b03 JH |
1544 | } |
1545 | ||
7ee199a7 | 1546 | void View::capture_state_updated(int state) |
adb4b10c | 1547 | { |
28ceff25 SA |
1548 | GlobalSettings settings; |
1549 | ||
92ff2b60 | 1550 | if (state == Session::Running) { |
4b0af0b6 | 1551 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1552 | |
92ff2b60 | 1553 | trigger_markers_.clear(); |
90472a51 | 1554 | |
28ceff25 SA |
1555 | scale_at_acq_start_ = scale_; |
1556 | offset_at_acq_start_ = offset_; | |
1557 | ||
820ce18a SA |
1558 | // Activate "always zoom to fit" if the setting is enabled and we're |
1559 | // the main view of this session (other trace views may be used for | |
1560 | // zooming and we don't want to mess them up) | |
e91fb166 | 1561 | bool state = settings.value(GlobalSettings::Key_View_ZoomToFitDuringAcq).toBool(); |
820ce18a | 1562 | if (is_main_view_ && state) { |
90472a51 SA |
1563 | always_zoom_to_fit_ = true; |
1564 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1565 | } | |
9b64f2df SA |
1566 | |
1567 | // Enable sticky scrolling if the setting is enabled | |
1568 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
558ad6ce SA |
1569 | |
1570 | // Reset all traces to segment 0 | |
1571 | current_segment_ = 0; | |
1572 | set_current_segment(current_segment_); | |
92ff2b60 TS |
1573 | } |
1574 | ||
fd03a279 SA |
1575 | if (state == Session::Stopped) { |
1576 | // After acquisition has stopped we need to re-calculate the ticks once | |
1577 | // as it's otherwise done when the user pans or zooms, which is too late | |
1578 | calculate_tick_spacing(); | |
1579 | ||
1580 | // Reset "always zoom to fit", the acquisition has stopped | |
1581 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1582 | // Perform a final zoom-to-fit before disabling |
1583 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1584 | always_zoom_to_fit_ = false; |
90472a51 | 1585 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 | 1586 | } |
28ceff25 SA |
1587 | |
1588 | bool zoom_to_fit_after_acq = | |
1589 | settings.value(GlobalSettings::Key_View_ZoomToFitAfterAcq).toBool(); | |
1590 | ||
1591 | // Only perform zoom-to-fit if the user hasn't altered the viewport and | |
1592 | // we didn't restore settings in the meanwhile | |
1593 | if (zoom_to_fit_after_acq && | |
1594 | !suppress_zoom_to_fit_after_acq_ && | |
1595 | (scale_ == scale_at_acq_start_) && | |
1596 | (offset_ == offset_at_acq_start_)) | |
1597 | zoom_fit(false); // We're stopped, so the GUI state doesn't matter | |
1598 | ||
1599 | suppress_zoom_to_fit_after_acq_ = false; | |
fd03a279 | 1600 | } |
7ee199a7 SA |
1601 | } |
1602 | ||
4e86ec70 SA |
1603 | void View::on_new_segment(int new_segment_id) |
1604 | { | |
1605 | on_segment_changed(new_segment_id); | |
1606 | } | |
1607 | ||
558ad6ce SA |
1608 | void View::on_segment_completed(int segment_id) |
1609 | { | |
1610 | on_segment_changed(segment_id); | |
558ad6ce SA |
1611 | } |
1612 | ||
526c8c00 SA |
1613 | void View::on_segment_changed(int segment) |
1614 | { | |
7daebd05 SA |
1615 | switch (segment_display_mode_) { |
1616 | case Trace::ShowLastSegmentOnly: | |
1617 | case Trace::ShowSingleSegmentOnly: | |
558ad6ce SA |
1618 | set_current_segment(segment); |
1619 | break; | |
1620 | ||
1621 | case Trace::ShowLastCompleteSegmentOnly: | |
89914a86 SA |
1622 | // Only update if all segments are complete |
1623 | if (session_.all_segments_complete(segment)) | |
1624 | set_current_segment(segment); | |
7daebd05 | 1625 | break; |
526c8c00 | 1626 | |
7daebd05 SA |
1627 | case Trace::ShowAllSegments: |
1628 | case Trace::ShowAccumulatedIntensity: | |
1629 | default: | |
1630 | break; | |
1631 | } | |
526c8c00 SA |
1632 | } |
1633 | ||
451dc5f3 SA |
1634 | void View::on_settingViewTriggerIsZeroTime_changed(const QVariant new_value) |
1635 | { | |
1636 | if (new_value.toBool()) { | |
1637 | // The first trigger for this segment is used as the zero position | |
1638 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); | |
1639 | if (triggers.size() > 0) | |
1640 | set_zero_position(triggers.front()); | |
1641 | } else | |
1642 | reset_zero_position(); | |
1643 | } | |
1644 | ||
c7b03d9d SA |
1645 | void View::perform_delayed_view_update() |
1646 | { | |
3906e758 | 1647 | if (always_zoom_to_fit_) { |
ce11b2ea | 1648 | zoom_fit(true); |
3906e758 | 1649 | } else if (sticky_scrolling_) { |
c7b03d9d | 1650 | // Make right side of the view sticky |
60d9b99a JS |
1651 | double length = 0; |
1652 | Timestamp offset; | |
c7b03d9d SA |
1653 | get_scroll_layout(length, offset); |
1654 | ||
1655 | const QSize areaSize = viewport_->size(); | |
1656 | length = max(length - areaSize.width(), 0.0); | |
1657 | ||
4b0af0b6 | 1658 | set_offset(scale_ * length); |
c7b03d9d | 1659 | } |
adb4b10c | 1660 | |
ef454ad5 | 1661 | determine_time_unit(); |
c7b03d9d SA |
1662 | update_scroll(); |
1663 | ruler_->update(); | |
8dbbc7f0 | 1664 | viewport_->update(); |
adb4b10c | 1665 | } |
cdf7bea7 | 1666 | |
32218d3e | 1667 | void View::process_sticky_events() |
d7c0ca4a | 1668 | { |
af503b10 | 1669 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1670 | update_layout(); |
af503b10 JH |
1671 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1672 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1673 | update_scroll(); |
1674 | } | |
32218d3e JH |
1675 | |
1676 | // Clear the sticky events | |
8dbbc7f0 | 1677 | sticky_events_ = 0; |
d7c0ca4a JH |
1678 | } |
1679 | ||
1573bf16 | 1680 | } // namespace trace |
f4e57597 | 1681 | } // namespace views |
cdf7bea7 | 1682 | } // namespace pv |