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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; |
448a72cf | 76 | using std::dynamic_pointer_cast; |
cf124e47 | 77 | using std::inserter; |
819f4c25 | 78 | using std::max; |
1bc6525b | 79 | using std::make_pair; |
769a79b5 | 80 | using std::make_shared; |
819f4c25 | 81 | using std::min; |
1bc6525b | 82 | using std::pair; |
819f4c25 | 83 | using std::set; |
cf124e47 | 84 | using std::set_difference; |
f9abf97e | 85 | using std::shared_ptr; |
6f925ba9 | 86 | using std::stringstream; |
448a72cf | 87 | using std::unordered_map; |
7ff0145f | 88 | using std::unordered_set; |
819f4c25 | 89 | using std::vector; |
adb4b10c | 90 | |
cdf7bea7 | 91 | namespace pv { |
f4e57597 SA |
92 | namespace views { |
93 | namespace TraceView { | |
adb4b10c | 94 | |
60d9b99a JS |
95 | const Timestamp View::MaxScale("1e9"); |
96 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 97 | |
f25770e2 JH |
98 | const int View::MaxScrollValue = INT_MAX / 2; |
99 | ||
361c560e JH |
100 | const int View::ScaleUnits[3] = {1, 2, 5}; |
101 | ||
f4e57597 | 102 | |
33094993 | 103 | CustomScrollArea::CustomScrollArea(QWidget *parent) : |
f4e57597 SA |
104 | QAbstractScrollArea(parent) |
105 | { | |
106 | } | |
107 | ||
33094993 | 108 | bool CustomScrollArea::viewportEvent(QEvent *event) |
f4e57597 SA |
109 | { |
110 | switch (event->type()) { | |
111 | case QEvent::Paint: | |
112 | case QEvent::MouseButtonPress: | |
113 | case QEvent::MouseButtonRelease: | |
114 | case QEvent::MouseButtonDblClick: | |
115 | case QEvent::MouseMove: | |
116 | case QEvent::Wheel: | |
117 | case QEvent::TouchBegin: | |
118 | case QEvent::TouchUpdate: | |
119 | case QEvent::TouchEnd: | |
120 | return false; | |
121 | default: | |
122 | return QAbstractScrollArea::viewportEvent(event); | |
123 | } | |
124 | } | |
125 | ||
143d322d SA |
126 | View::View(Session &session, bool is_main_view, QWidget *parent) : |
127 | ViewBase(session, is_main_view, parent), | |
33094993 | 128 | splitter_(new QSplitter()), |
c0100b55 | 129 | scale_(1e-3), |
8dbbc7f0 | 130 | offset_(0), |
8dbbc7f0 | 131 | updating_scroll_(false), |
c7b03d9d | 132 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 133 | always_zoom_to_fit_(false), |
c677193d | 134 | tick_period_(0), |
d001f416 | 135 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 136 | tick_precision_(0), |
d001f416 | 137 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 138 | show_cursors_(false), |
5c5ce757 | 139 | cursors_(new CursorPair(*this)), |
8914fe79 | 140 | next_flag_text_('A'), |
92ff2b60 | 141 | trigger_markers_(), |
f4203850 | 142 | hover_point_(-1, -1), |
e62bee73 | 143 | scroll_needs_defaults_(false), |
5f9b7de5 | 144 | saved_v_offset_(0) |
adb4b10c | 145 | { |
33094993 SA |
146 | QVBoxLayout *root_layout = new QVBoxLayout(this); |
147 | root_layout->setContentsMargins(0, 0, 0, 0); | |
148 | root_layout->addWidget(splitter_); | |
149 | ||
150 | viewport_ = new Viewport(*this); | |
151 | scrollarea_ = new CustomScrollArea(splitter_); | |
152 | scrollarea_->setViewport(viewport_); | |
153 | scrollarea_->setFrameShape(QFrame::NoFrame); | |
154 | ||
155 | ruler_ = new Ruler(*this); | |
156 | ||
157 | header_ = new Header(*this); | |
c1a6513b | 158 | header_->setMinimumWidth(10); // So that the arrow tips show at least |
33094993 SA |
159 | |
160 | // We put the header into a simple layout so that we can add the top margin, | |
161 | // allowing us to make it line up with the bottom of the ruler | |
162 | QWidget *header_container = new QWidget(); | |
163 | header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
164 | QVBoxLayout *header_layout = new QVBoxLayout(header_container); | |
165 | header_layout->setContentsMargins(0, ruler_->sizeHint().height(), 0, 0); | |
166 | header_layout->addWidget(header_); | |
167 | ||
168 | // To let the ruler and scrollarea be on the same split pane, we need a layout | |
169 | QWidget *trace_container = new QWidget(); | |
170 | trace_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
171 | QVBoxLayout *trace_layout = new QVBoxLayout(trace_container); | |
172 | trace_layout->setSpacing(0); // We don't want space between the ruler and scrollarea | |
173 | trace_layout->setContentsMargins(0, 0, 0, 0); | |
174 | trace_layout->addWidget(ruler_); | |
175 | trace_layout->addWidget(scrollarea_); | |
176 | ||
177 | splitter_->addWidget(header_container); | |
178 | splitter_->addWidget(trace_container); | |
179 | splitter_->setHandleWidth(1); // Don't show a visible rubber band | |
180 | splitter_->setCollapsible(0, false); // Prevent the header from collapsing | |
181 | splitter_->setCollapsible(1, false); // Prevent the traces from collapsing | |
182 | splitter_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
183 | ||
184 | viewport_->installEventFilter(this); | |
185 | ruler_->installEventFilter(this); | |
186 | header_->installEventFilter(this); | |
187 | ||
188 | // Set up settings and event handlers | |
24c29d4f SA |
189 | GlobalSettings settings; |
190 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
191 | ||
33094993 | 192 | connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 193 | this, SLOT(h_scroll_value_changed(int))); |
33094993 | 194 | connect(scrollarea_->verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 195 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 196 | |
8dbbc7f0 | 197 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
198 | ruler_, SLOT(clear_selection())); |
199 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 200 | header_, SLOT(clear_selection())); |
17348f85 | 201 | |
8dbbc7f0 | 202 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 203 | this, SIGNAL(selection_changed())); |
819e2e95 | 204 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
205 | this, SIGNAL(selection_changed())); |
206 | ||
e0be5f21 SA |
207 | connect(splitter_, SIGNAL(splitterMoved(int, int)), |
208 | this, SLOT(on_splitter_moved())); | |
209 | ||
33c62f44 JH |
210 | connect(this, SIGNAL(hover_point_changed()), |
211 | this, SLOT(on_hover_point_changed())); | |
212 | ||
8dbbc7f0 | 213 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 214 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 215 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 216 | |
9f46d905 JH |
217 | // Trigger the initial event manually. The default device has signals |
218 | // which were created before this object came into being | |
d873f4d6 | 219 | signals_changed(); |
84a0d458 | 220 | |
512bfc56 | 221 | // make sure the transparent widgets are on the top |
819e2e95 | 222 | ruler_->raise(); |
8dbbc7f0 | 223 | header_->raise(); |
361c560e JH |
224 | |
225 | // Update the zoom state | |
226 | calculate_tick_spacing(); | |
adb4b10c JH |
227 | } |
228 | ||
2b81ae46 | 229 | Session& View::session() |
1d19ef83 | 230 | { |
8dbbc7f0 | 231 | return session_; |
1d19ef83 JH |
232 | } |
233 | ||
2b81ae46 | 234 | const Session& View::session() const |
38eeddea | 235 | { |
8dbbc7f0 | 236 | return session_; |
38eeddea JH |
237 | } |
238 | ||
6f925ba9 | 239 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
240 | { |
241 | return signals_; | |
242 | } | |
243 | ||
244 | void View::clear_signals() | |
245 | { | |
5ed05b69 | 246 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
247 | signals_.clear(); |
248 | } | |
249 | ||
f4e57597 | 250 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 251 | { |
5ed05b69 | 252 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb SA |
253 | signals_.insert(signal); |
254 | } | |
255 | ||
bb7dd726 | 256 | #ifdef ENABLE_DECODE |
f4e57597 | 257 | void View::clear_decode_signals() |
bb7dd726 SA |
258 | { |
259 | decode_traces_.clear(); | |
260 | } | |
261 | ||
f4e57597 | 262 | void View::add_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 | 263 | { |
f4e57597 SA |
264 | shared_ptr<DecodeTrace> d( |
265 | new DecodeTrace(session_, signalbase, decode_traces_.size())); | |
bb7dd726 SA |
266 | decode_traces_.push_back(d); |
267 | } | |
268 | ||
f4e57597 | 269 | void View::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
bb7dd726 SA |
270 | { |
271 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
272 | if ((*i)->base() == signalbase) { | |
273 | decode_traces_.erase(i); | |
274 | signals_changed(); | |
275 | return; | |
276 | } | |
277 | } | |
278 | #endif | |
279 | ||
eae6e30a JH |
280 | View* View::view() |
281 | { | |
282 | return this; | |
283 | } | |
284 | ||
285 | const View* View::view() const | |
286 | { | |
287 | return this; | |
288 | } | |
289 | ||
2ae445ba SA |
290 | Viewport* View::viewport() |
291 | { | |
8dbbc7f0 | 292 | return viewport_; |
2ae445ba SA |
293 | } |
294 | ||
295 | const Viewport* View::viewport() const | |
296 | { | |
8dbbc7f0 | 297 | return viewport_; |
2ae445ba SA |
298 | } |
299 | ||
3a21afa6 SA |
300 | void View::save_settings(QSettings &settings) const |
301 | { | |
302 | settings.setValue("scale", scale_); | |
39ab01e7 | 303 | settings.setValue("v_offset", |
33094993 | 304 | scrollarea_->verticalScrollBar()->sliderPosition()); |
3a21afa6 | 305 | |
37849039 SA |
306 | settings.setValue("splitter_state", splitter_->saveState()); |
307 | ||
6f925ba9 | 308 | stringstream ss; |
3a21afa6 SA |
309 | boost::archive::text_oarchive oa(ss); |
310 | oa << boost::serialization::make_nvp("offset", offset_); | |
311 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
312 | ||
f4e57597 | 313 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
314 | settings.beginGroup(signal->base()->internal_name()); |
315 | signal->save_settings(settings); | |
316 | settings.endGroup(); | |
317 | } | |
318 | } | |
319 | ||
320 | void View::restore_settings(QSettings &settings) | |
321 | { | |
39ab01e7 SA |
322 | // Note: It is assumed that this function is only called once, |
323 | // immediately after restoring a previous session. | |
324 | ||
3a21afa6 SA |
325 | if (settings.contains("scale")) |
326 | set_scale(settings.value("scale").toDouble()); | |
327 | ||
328 | if (settings.contains("offset")) { | |
329 | util::Timestamp offset; | |
6f925ba9 | 330 | stringstream ss; |
3a21afa6 SA |
331 | ss << settings.value("offset").toString().toStdString(); |
332 | ||
333 | boost::archive::text_iarchive ia(ss); | |
334 | ia >> boost::serialization::make_nvp("offset", offset); | |
335 | ||
336 | set_offset(offset); | |
337 | } | |
338 | ||
37849039 SA |
339 | if (settings.contains("splitter_state")) |
340 | splitter_->restoreState(settings.value("splitter_state").toByteArray()); | |
341 | ||
f4e57597 | 342 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
343 | settings.beginGroup(signal->base()->internal_name()); |
344 | signal->restore_settings(settings); | |
345 | settings.endGroup(); | |
346 | } | |
39ab01e7 SA |
347 | |
348 | if (settings.contains("v_offset")) { | |
349 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
350 | set_v_offset(saved_v_offset_); | |
e62bee73 | 351 | scroll_needs_defaults_ = false; |
5f9b7de5 | 352 | // Note: see eventFilter() for additional information |
39ab01e7 | 353 | } |
3a21afa6 SA |
354 | } |
355 | ||
2496bf45 JH |
356 | vector< shared_ptr<TimeItem> > View::time_items() const |
357 | { | |
8914fe79 JH |
358 | const vector<shared_ptr<Flag>> f(flags()); |
359 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 360 | items.push_back(cursors_); |
5c5ce757 JH |
361 | items.push_back(cursors_->first()); |
362 | items.push_back(cursors_->second()); | |
1a2288a1 | 363 | |
92ff2b60 TS |
364 | for (auto trigger_marker : trigger_markers_) |
365 | items.push_back(trigger_marker); | |
1a2288a1 | 366 | |
2496bf45 JH |
367 | return items; |
368 | } | |
369 | ||
cdf7bea7 | 370 | double View::scale() const |
adb4b10c | 371 | { |
8dbbc7f0 | 372 | return scale_; |
adb4b10c JH |
373 | } |
374 | ||
4b0af0b6 JS |
375 | void View::set_scale(double scale) |
376 | { | |
377 | if (scale_ != scale) { | |
378 | scale_ = scale; | |
25e734c8 | 379 | scale_changed(); |
4b0af0b6 JS |
380 | } |
381 | } | |
382 | ||
60d9b99a | 383 | const Timestamp& View::offset() const |
adb4b10c | 384 | { |
8dbbc7f0 | 385 | return offset_; |
adb4b10c JH |
386 | } |
387 | ||
4b0af0b6 JS |
388 | void View::set_offset(const pv::util::Timestamp& offset) |
389 | { | |
390 | if (offset_ != offset) { | |
391 | offset_ = offset; | |
25e734c8 | 392 | offset_changed(); |
4b0af0b6 JS |
393 | } |
394 | } | |
395 | ||
7ff0145f | 396 | int View::owner_visual_v_offset() const |
adb4b10c | 397 | { |
33094993 | 398 | return -scrollarea_->verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
399 | } |
400 | ||
4d476647 JH |
401 | void View::set_v_offset(int offset) |
402 | { | |
33094993 | 403 | scrollarea_->verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
404 | header_->update(); |
405 | viewport_->update(); | |
406 | } | |
407 | ||
3e769a37 JH |
408 | unsigned int View::depth() const |
409 | { | |
410 | return 0; | |
411 | } | |
412 | ||
d001f416 | 413 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
414 | { |
415 | return tick_prefix_; | |
416 | } | |
417 | ||
4b0af0b6 JS |
418 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
419 | { | |
420 | if (tick_prefix_ != tick_prefix) { | |
421 | tick_prefix_ = tick_prefix; | |
25e734c8 | 422 | tick_prefix_changed(); |
4b0af0b6 JS |
423 | } |
424 | } | |
425 | ||
d40f4db7 SA |
426 | unsigned int View::tick_precision() const |
427 | { | |
428 | return tick_precision_; | |
429 | } | |
430 | ||
4b0af0b6 JS |
431 | void View::set_tick_precision(unsigned tick_precision) |
432 | { | |
433 | if (tick_precision_ != tick_precision) { | |
434 | tick_precision_ = tick_precision; | |
25e734c8 | 435 | tick_precision_changed(); |
4b0af0b6 JS |
436 | } |
437 | } | |
438 | ||
c677193d | 439 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
440 | { |
441 | return tick_period_; | |
442 | } | |
443 | ||
c677193d | 444 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
445 | { |
446 | if (tick_period_ != tick_period) { | |
447 | tick_period_ = tick_period; | |
25e734c8 | 448 | tick_period_changed(); |
4b0af0b6 JS |
449 | } |
450 | } | |
451 | ||
ef454ad5 SA |
452 | TimeUnit View::time_unit() const |
453 | { | |
454 | return time_unit_; | |
455 | } | |
456 | ||
4b0af0b6 JS |
457 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
458 | { | |
459 | if (time_unit_ != time_unit) { | |
460 | time_unit_ = time_unit; | |
25e734c8 | 461 | time_unit_changed(); |
4b0af0b6 JS |
462 | } |
463 | } | |
464 | ||
cdf7bea7 | 465 | void View::zoom(double steps) |
adb4b10c | 466 | { |
8dbbc7f0 | 467 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
468 | } |
469 | ||
17c0f398 JH |
470 | void View::zoom(double steps, int offset) |
471 | { | |
c063290a | 472 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
473 | } |
474 | ||
ce11b2ea | 475 | void View::zoom_fit(bool gui_state) |
ca46b534 | 476 | { |
ce11b2ea SA |
477 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
478 | if (session_.get_capture_state() == Session::Stopped) { | |
479 | always_zoom_to_fit_ = false; | |
480 | always_zoom_to_fit_changed(false); | |
481 | } else { | |
482 | always_zoom_to_fit_ = gui_state; | |
483 | always_zoom_to_fit_changed(gui_state); | |
484 | } | |
485 | ||
60d9b99a JS |
486 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
487 | const Timestamp delta = extents.second - extents.first; | |
488 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
489 | return; |
490 | ||
8dbbc7f0 JH |
491 | assert(viewport_); |
492 | const int w = viewport_->width(); | |
ca46b534 JH |
493 | if (w <= 0) |
494 | return; | |
495 | ||
60d9b99a JS |
496 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
497 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
498 | } |
499 | ||
d1e7d82c JH |
500 | void View::zoom_one_to_one() |
501 | { | |
502 | using pv::data::SignalData; | |
503 | ||
d1e7d82c | 504 | // Make a set of all the visible data objects |
0fc664a9 | 505 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
506 | if (visible_data.empty()) |
507 | return; | |
508 | ||
8dbbc7f0 JH |
509 | assert(viewport_); |
510 | const int w = viewport_->width(); | |
d1e7d82c JH |
511 | if (w <= 0) |
512 | return; | |
513 | ||
2220e942 | 514 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
515 | } |
516 | ||
60d9b99a | 517 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 518 | { |
ce11b2ea SA |
519 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
520 | // and user drags the viewport | |
c7b03d9d | 521 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
522 | (session_.get_capture_state() == Session::Running)) { |
523 | ||
524 | if (sticky_scrolling_) { | |
525 | sticky_scrolling_ = false; | |
526 | sticky_scrolling_changed(false); | |
527 | } | |
528 | ||
529 | if (always_zoom_to_fit_) { | |
530 | always_zoom_to_fit_ = false; | |
531 | always_zoom_to_fit_changed(false); | |
532 | } | |
c7b03d9d SA |
533 | } |
534 | ||
4b0af0b6 JS |
535 | set_scale(scale); |
536 | set_offset(offset); | |
ccdd3ef5 | 537 | |
361c560e JH |
538 | calculate_tick_spacing(); |
539 | ||
adb4b10c | 540 | update_scroll(); |
8dbbc7f0 | 541 | ruler_->update(); |
8dbbc7f0 | 542 | viewport_->update(); |
adb4b10c JH |
543 | } |
544 | ||
1bc6525b JH |
545 | set< shared_ptr<SignalData> > View::get_visible_data() const |
546 | { | |
1bc6525b JH |
547 | // Make a set of all the visible data objects |
548 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 549 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
550 | if (sig->enabled()) |
551 | visible_data.insert(sig->data()); | |
552 | ||
553 | return visible_data; | |
554 | } | |
555 | ||
60d9b99a | 556 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 557 | { |
60d9b99a | 558 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 559 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 560 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 561 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 562 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
563 | double samplerate = s->samplerate(); |
564 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
565 | ||
60d9b99a JS |
566 | const Timestamp start_time = s->start_time(); |
567 | left_time = left_time ? | |
568 | min(*left_time, start_time) : | |
569 | start_time; | |
570 | right_time = right_time ? | |
571 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
572 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 573 | } |
1bc6525b JH |
574 | } |
575 | ||
60d9b99a JS |
576 | if (!left_time || !right_time) |
577 | return make_pair(0, 0); | |
7f4038d6 | 578 | |
60d9b99a JS |
579 | assert(*left_time < *right_time); |
580 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
581 | } |
582 | ||
051ba3b3 UH |
583 | void View::enable_show_sampling_points(bool state) |
584 | { | |
585 | (void)state; | |
586 | ||
587 | viewport_->update(); | |
588 | } | |
589 | ||
8ad61f40 UH |
590 | void View::enable_show_analog_minor_grid(bool state) |
591 | { | |
592 | (void)state; | |
593 | ||
594 | viewport_->update(); | |
595 | } | |
596 | ||
574c568d SA |
597 | void View::enable_coloured_bg(bool state) |
598 | { | |
48995388 | 599 | coloured_bg_ = state; |
574c568d SA |
600 | viewport_->update(); |
601 | } | |
602 | ||
48995388 JH |
603 | bool View::coloured_bg() const |
604 | { | |
605 | return coloured_bg_; | |
606 | } | |
607 | ||
f76af637 JH |
608 | bool View::cursors_shown() const |
609 | { | |
8dbbc7f0 | 610 | return show_cursors_; |
f76af637 JH |
611 | } |
612 | ||
613 | void View::show_cursors(bool show) | |
614 | { | |
8dbbc7f0 | 615 | show_cursors_ = show; |
819e2e95 | 616 | ruler_->update(); |
8dbbc7f0 | 617 | viewport_->update(); |
f76af637 JH |
618 | } |
619 | ||
b4d91e56 JH |
620 | void View::centre_cursors() |
621 | { | |
8dbbc7f0 | 622 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
623 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
624 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 625 | ruler_->update(); |
8dbbc7f0 | 626 | viewport_->update(); |
b4d91e56 JH |
627 | } |
628 | ||
6f925ba9 | 629 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 630 | { |
8dbbc7f0 | 631 | return cursors_; |
58864c5c JH |
632 | } |
633 | ||
60d9b99a | 634 | void View::add_flag(const Timestamp& time) |
8914fe79 | 635 | { |
067bb624 UH |
636 | flags_.push_back(make_shared<Flag>(*this, time, |
637 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 638 | |
8914fe79 JH |
639 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
640 | (next_flag_text_ + 1); | |
48257a69 | 641 | |
8914fe79 JH |
642 | time_item_appearance_changed(true, true); |
643 | } | |
644 | ||
6f925ba9 | 645 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
646 | { |
647 | flags_.remove(flag); | |
648 | time_item_appearance_changed(true, true); | |
649 | } | |
650 | ||
6f925ba9 | 651 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 652 | { |
6f925ba9 | 653 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
654 | stable_sort(flags.begin(), flags.end(), |
655 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
656 | return a->time() < b->time(); | |
657 | }); | |
658 | ||
659 | return flags; | |
660 | } | |
661 | ||
cbd80f64 JH |
662 | const QPoint& View::hover_point() const |
663 | { | |
8dbbc7f0 | 664 | return hover_point_; |
cbd80f64 JH |
665 | } |
666 | ||
af503b10 | 667 | void View::restack_all_trace_tree_items() |
7ff0145f | 668 | { |
873cbed0 | 669 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
670 | const vector<shared_ptr<TraceTreeItem>> items( |
671 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 672 | set< TraceTreeItemOwner* > owners; |
cc88566c | 673 | for (const auto &r : items) |
4800cf9a | 674 | owners.insert(r->owner()); |
af503b10 | 675 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 676 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 677 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
678 | return a->depth() > b->depth(); }); |
679 | ||
680 | // Restack the items recursively | |
681 | for (auto &o : sorted_owners) | |
682 | o->restack_items(); | |
683 | ||
684 | // Animate the items to their destination | |
cef5997e JH |
685 | for (const auto &i : items) |
686 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
687 | } |
688 | ||
48257a69 SA |
689 | void View::trigger_event(util::Timestamp location) |
690 | { | |
067bb624 | 691 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
692 | } |
693 | ||
60d9b99a | 694 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 695 | { |
60d9b99a JS |
696 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
697 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 698 | offset = offset_ / scale_; |
f25770e2 JH |
699 | } |
700 | ||
d1e7d82c JH |
701 | void View::set_zoom(double scale, int offset) |
702 | { | |
ce11b2ea SA |
703 | // Reset the "always zoom to fit" feature as the user changed the zoom |
704 | always_zoom_to_fit_ = false; | |
705 | always_zoom_to_fit_changed(false); | |
706 | ||
60d9b99a JS |
707 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
708 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
709 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
710 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
711 | } |
712 | ||
361c560e JH |
713 | void View::calculate_tick_spacing() |
714 | { | |
8a1bc087 | 715 | const double SpacingIncrement = 10.0f; |
8a463dbc | 716 | const double MinValueSpacing = 40.0f; |
361c560e | 717 | |
1e124d4b SA |
718 | // Figure out the highest numeric value visible on a label |
719 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 720 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
721 | fabs(offset_ + scale_ * areaSize.width())); |
722 | ||
d40f4db7 SA |
723 | double min_width = SpacingIncrement; |
724 | double label_width, tick_period_width; | |
361c560e JH |
725 | |
726 | QFontMetrics m(QApplication::font()); | |
727 | ||
adb3831e JS |
728 | // Copies of the member variables with the same name, used in the calculation |
729 | // and written back afterwards, so that we don't emit signals all the time | |
730 | // during the calculation. | |
731 | pv::util::Timestamp tick_period = tick_period_; | |
732 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
733 | unsigned tick_precision = tick_precision_; | |
734 | ||
361c560e JH |
735 | do { |
736 | const double min_period = scale_ * min_width; | |
737 | ||
738 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
739 | const pv::util::Timestamp order_decimal = |
740 | pow(pv::util::Timestamp(10), order); | |
361c560e | 741 | |
8a1bc087 SA |
742 | // Allow for a margin of error so that a scale unit of 1 can be used. |
743 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
744 | // the min_period by a small amount - and thus skipped in favor of 2. | |
745 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
746 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
747 | double tp_with_margin; | |
361c560e JH |
748 | unsigned int unit = 0; |
749 | ||
750 | do { | |
c677193d JS |
751 | tp_with_margin = order_decimal.convert_to<double>() * |
752 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 753 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 754 | |
adb3831e JS |
755 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
756 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
757 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 758 | |
d40f4db7 SA |
759 | // Precision is the number of fractional digits required, not |
760 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 761 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 762 | |
adb3831e | 763 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 764 | |
3ccf0f7f JS |
765 | const QString label_text = Ruler::format_time_with_distance( |
766 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
767 | |
768 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
769 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
770 | MinValueSpacing; |
771 | ||
772 | min_width += SpacingIncrement; | |
d40f4db7 | 773 | } while (tick_period_width < label_width); |
adb3831e JS |
774 | |
775 | set_tick_period(tick_period); | |
776 | set_tick_prefix(tick_prefix); | |
777 | set_tick_precision(tick_precision); | |
361c560e JH |
778 | } |
779 | ||
8a5fd81f SA |
780 | void View::adjust_top_margin() |
781 | { | |
782 | assert(viewport_); | |
783 | ||
784 | const QSize areaSize = viewport_->size(); | |
785 | ||
786 | const pair<int, int> extents = v_extents(); | |
787 | const int top_margin = owner_visual_v_offset() + extents.first; | |
788 | const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second; | |
789 | ||
790 | // Do we have empty space at the top while the last trace goes out of screen? | |
791 | if ((top_margin > 0) && (trace_bottom > areaSize.height())) { | |
792 | const int trace_height = extents.second - extents.first; | |
793 | ||
794 | // Center everything vertically if there is enough space | |
795 | if (areaSize.height() >= trace_height) | |
796 | set_v_offset(extents.first - | |
797 | ((areaSize.height() - trace_height) / 2)); | |
798 | else | |
799 | // Remove the top margin to make as many traces fit on screen as possible | |
800 | set_v_offset(extents.first); | |
801 | } | |
802 | } | |
803 | ||
cdf7bea7 | 804 | void View::update_scroll() |
adb4b10c | 805 | { |
8dbbc7f0 | 806 | assert(viewport_); |
33094993 SA |
807 | QScrollBar *hscrollbar = scrollarea_->horizontalScrollBar(); |
808 | QScrollBar *vscrollbar = scrollarea_->verticalScrollBar(); | |
adb4b10c | 809 | |
8dbbc7f0 | 810 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
811 | |
812 | // Set the horizontal scroll bar | |
60d9b99a JS |
813 | double length = 0; |
814 | Timestamp offset; | |
f25770e2 JH |
815 | get_scroll_layout(length, offset); |
816 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 817 | |
c677193d | 818 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 819 | |
f4e57597 SA |
820 | hscrollbar->setPageStep(areaSize.width() / 2); |
821 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 822 | |
8dbbc7f0 | 823 | updating_scroll_ = true; |
528bd8a1 | 824 | |
333d5bbc | 825 | if (length < MaxScrollValue) { |
f4e57597 SA |
826 | hscrollbar->setRange(0, length); |
827 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 828 | } else { |
f4e57597 SA |
829 | hscrollbar->setRange(0, MaxScrollValue); |
830 | hscrollbar->setSliderPosition( | |
60d9b99a | 831 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 832 | } |
adb4b10c | 833 | |
8dbbc7f0 | 834 | updating_scroll_ = false; |
528bd8a1 | 835 | |
adb4b10c | 836 | // Set the vertical scrollbar |
f4e57597 SA |
837 | vscrollbar->setPageStep(areaSize.height()); |
838 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
839 | |
840 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
841 | |
842 | // Don't change the scrollbar range if there are no traces | |
843 | if (extents.first != extents.second) | |
f4e57597 | 844 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
845 | extents.second); |
846 | ||
e62bee73 | 847 | if (scroll_needs_defaults_) |
925763b0 SA |
848 | set_scroll_default(); |
849 | } | |
850 | ||
851 | void View::reset_scroll() | |
852 | { | |
33094993 | 853 | scrollarea_->verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
854 | } |
855 | ||
856 | void View::set_scroll_default() | |
857 | { | |
858 | assert(viewport_); | |
859 | ||
860 | const QSize areaSize = viewport_->size(); | |
861 | ||
925763b0 SA |
862 | const pair<int, int> extents = v_extents(); |
863 | const int trace_height = extents.second - extents.first; | |
864 | ||
865 | // Do all traces fit in the view? | |
866 | if (areaSize.height() >= trace_height) | |
867 | // Center all traces vertically | |
868 | set_v_offset(extents.first - | |
869 | ((areaSize.height() - trace_height) / 2)); | |
870 | else | |
871 | // Put the first trace at the top, letting the bottom ones overflow | |
872 | set_v_offset(extents.first); | |
adb4b10c JH |
873 | } |
874 | ||
76750c41 | 875 | bool View::header_was_shrunk() const |
33094993 SA |
876 | { |
877 | const int header_pane_width = splitter_->sizes().front(); | |
878 | const int header_width = header_->extended_size_hint().width(); | |
879 | ||
e0be5f21 SA |
880 | // Allow for a slight margin of error so that we also accept |
881 | // slight differences when e.g. a label name change increased | |
882 | // the overall width | |
76750c41 | 883 | return (header_pane_width < (header_width - 10)); |
33094993 SA |
884 | } |
885 | ||
76750c41 | 886 | void View::expand_header_to_fit() |
d7c0ca4a | 887 | { |
76750c41 SA |
888 | int splitter_area_width = 0; |
889 | for (int w : splitter_->sizes()) | |
890 | splitter_area_width += w; | |
33094993 | 891 | |
76750c41 SA |
892 | // Make sure the header has enough horizontal space to show all labels fully |
893 | QList<int> pane_sizes; | |
894 | pane_sizes.push_back(header_->extended_size_hint().width()); | |
895 | pane_sizes.push_back(splitter_area_width - header_->extended_size_hint().width()); | |
896 | splitter_->setSizes(pane_sizes); | |
897 | } | |
898 | ||
899 | void View::update_layout() | |
900 | { | |
d7c0ca4a JH |
901 | update_scroll(); |
902 | } | |
903 | ||
af503b10 | 904 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 905 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 906 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 907 | &signal_map) |
448a72cf | 908 | { |
cf124e47 | 909 | assert(group); |
448a72cf | 910 | |
af503b10 JH |
911 | unordered_set<TraceTreeItemOwner*> owners; |
912 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 913 | |
cf124e47 JH |
914 | // Make a set and a list of all the owners |
915 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
916 | for (auto entry : signal_map) { |
917 | if (entry.first->channel() == channel) { | |
918 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
919 | owner_list.push_back(o); | |
920 | owners.insert(o); | |
921 | } | |
922 | } | |
cf124e47 | 923 | } |
448a72cf | 924 | |
cf124e47 JH |
925 | // Iterate through the list of owners, and find the most prevalent |
926 | size_t max_prevalence = 0; | |
af503b10 JH |
927 | TraceTreeItemOwner *prevalent_owner = nullptr; |
928 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 929 | const size_t prevalence = count_if( |
cf124e47 | 930 | owner_list.begin(), owner_list.end(), |
af503b10 | 931 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
932 | if (prevalence > max_prevalence) { |
933 | max_prevalence = prevalence; | |
934 | prevalent_owner = owner; | |
935 | } | |
448a72cf JH |
936 | } |
937 | ||
cf124e47 | 938 | return prevalent_owner; |
448a72cf JH |
939 | } |
940 | ||
cf124e47 JH |
941 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
942 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 943 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
944 | &signal_map, |
945 | set< shared_ptr<Trace> > &add_list) | |
946 | { | |
947 | vector< shared_ptr<Trace> > filtered_traces; | |
948 | ||
2ad82c2e | 949 | for (const auto &channel : channels) { |
bf0edd2b SA |
950 | for (auto entry : signal_map) { |
951 | if (entry.first->channel() == channel) { | |
952 | shared_ptr<Trace> trace = entry.second; | |
953 | const auto list_iter = add_list.find(trace); | |
954 | if (list_iter == add_list.end()) | |
955 | continue; | |
956 | ||
957 | filtered_traces.push_back(trace); | |
958 | add_list.erase(list_iter); | |
959 | } | |
960 | } | |
cf124e47 JH |
961 | } |
962 | ||
963 | return filtered_traces; | |
448a72cf JH |
964 | } |
965 | ||
ef454ad5 SA |
966 | void View::determine_time_unit() |
967 | { | |
7ee199a7 | 968 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 969 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 970 | // Check all signals but... |
47e9e7bb | 971 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
972 | const shared_ptr<SignalData> data = signal->data(); |
973 | ||
974 | // ...only check first segment of each | |
975 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
976 | if (!segments.empty()) | |
977 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 978 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
979 | break; |
980 | } | |
981 | } | |
ef454ad5 SA |
982 | } |
983 | } | |
984 | ||
cbd80f64 JH |
985 | bool View::eventFilter(QObject *object, QEvent *event) |
986 | { | |
987 | const QEvent::Type type = event->type(); | |
333d5bbc | 988 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
989 | |
990 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
991 | if (object == viewport_) |
992 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 993 | else if (object == ruler_) |
8dbbc7f0 JH |
994 | hover_point_ = QPoint(mouse_event->x(), 0); |
995 | else if (object == header_) | |
996 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 997 | else |
8dbbc7f0 | 998 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
999 | |
1000 | hover_point_changed(); | |
1001 | ||
333d5bbc | 1002 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 1003 | hover_point_ = QPoint(-1, -1); |
cbd80f64 | 1004 | hover_point_changed(); |
5f9b7de5 SA |
1005 | } else if (type == QEvent::Show) { |
1006 | ||
1007 | // This is somewhat of a hack, unfortunately. We cannot use | |
1008 | // set_v_offset() from within restore_settings() as the view | |
1009 | // at that point is neither visible nor properly sized. | |
1010 | // This is the least intrusive workaround I could come up | |
1011 | // with: set the vertical offset (or scroll defaults) when | |
1012 | // the view is shown, which happens after all widgets were | |
1013 | // resized to their final sizes. | |
1014 | update_layout(); | |
1015 | ||
1016 | if (scroll_needs_defaults_) { | |
1017 | set_scroll_default(); | |
1018 | scroll_needs_defaults_ = false; | |
1019 | } | |
1020 | ||
1021 | if (saved_v_offset_) { | |
1022 | set_v_offset(saved_v_offset_); | |
1023 | saved_v_offset_ = 0; | |
1024 | } | |
cbd80f64 JH |
1025 | } |
1026 | ||
1027 | return QObject::eventFilter(object, event); | |
1028 | } | |
1029 | ||
8a5fd81f | 1030 | void View::resizeEvent(QResizeEvent* event) |
adb4b10c | 1031 | { |
8a5fd81f SA |
1032 | // Only adjust the top margin if we shrunk vertically |
1033 | if (event->size().height() < event->oldSize().height()) | |
1034 | adjust_top_margin(); | |
1035 | ||
d7c0ca4a | 1036 | update_layout(); |
adb4b10c JH |
1037 | } |
1038 | ||
6e2c3c85 | 1039 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1040 | { |
1041 | if (label) | |
8dbbc7f0 | 1042 | header_->update(); |
32218d3e | 1043 | if (content) |
8dbbc7f0 | 1044 | viewport_->update(); |
32218d3e JH |
1045 | } |
1046 | ||
98cfe4e8 JH |
1047 | void View::time_item_appearance_changed(bool label, bool content) |
1048 | { | |
e0be5f21 | 1049 | if (label) { |
819e2e95 | 1050 | ruler_->update(); |
e0be5f21 SA |
1051 | |
1052 | // Make sure the header pane width is updated, too | |
1053 | update_layout(); | |
1054 | } | |
1055 | ||
98cfe4e8 JH |
1056 | if (content) |
1057 | viewport_->update(); | |
1058 | } | |
1059 | ||
32218d3e JH |
1060 | void View::extents_changed(bool horz, bool vert) |
1061 | { | |
8dbbc7f0 | 1062 | sticky_events_ |= |
af503b10 JH |
1063 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1064 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 1065 | |
8dbbc7f0 | 1066 | lazy_event_handler_.start(); |
32218d3e JH |
1067 | } |
1068 | ||
e0be5f21 SA |
1069 | void View::on_splitter_moved() |
1070 | { | |
1071 | // Setting the maximum width of the header widget doesn't work as | |
1072 | // expected because the splitter would allow the user to make the | |
1073 | // pane wider than that, creating empty space as a result. | |
76750c41 SA |
1074 | // To make this work, we stricly enforce the maximum width by |
1075 | // expanding the header unless the user shrunk it on purpose. | |
1076 | // As we're then setting the width of the header pane, we set the | |
1077 | // splitter to the maximum allowed position. | |
1078 | if (!header_was_shrunk()) | |
1079 | expand_header_to_fit(); | |
e0be5f21 SA |
1080 | } |
1081 | ||
b16907d3 | 1082 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1083 | { |
8dbbc7f0 | 1084 | if (updating_scroll_) |
528bd8a1 JH |
1085 | return; |
1086 | ||
c7b03d9d SA |
1087 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1088 | // during a running acquisition | |
1089 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1090 | sticky_scrolling_ = false; | |
1091 | sticky_scrolling_changed(false); | |
1092 | } | |
1093 | ||
33094993 | 1094 | const int range = scrollarea_->horizontalScrollBar()->maximum(); |
333d5bbc | 1095 | if (range < MaxScrollValue) |
4b0af0b6 | 1096 | set_offset(scale_ * value); |
f25770e2 | 1097 | else { |
60d9b99a JS |
1098 | double length = 0; |
1099 | Timestamp offset; | |
f25770e2 | 1100 | get_scroll_layout(length, offset); |
4b0af0b6 | 1101 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1102 | } |
1103 | ||
8dbbc7f0 | 1104 | ruler_->update(); |
8dbbc7f0 | 1105 | viewport_->update(); |
adb4b10c JH |
1106 | } |
1107 | ||
f8400017 | 1108 | void View::v_scroll_value_changed() |
adb4b10c | 1109 | { |
8dbbc7f0 JH |
1110 | header_->update(); |
1111 | viewport_->update(); | |
adb4b10c JH |
1112 | } |
1113 | ||
69dd2b03 JH |
1114 | void View::signals_changed() |
1115 | { | |
769a79b5 JH |
1116 | using sigrok::Channel; |
1117 | ||
925763b0 SA |
1118 | vector< shared_ptr<Channel> > channels; |
1119 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 1120 | |
925763b0 SA |
1121 | // Do we need to set the vertical scrollbar to its default position later? |
1122 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1123 | bool reset_scrollbar = | |
33094993 SA |
1124 | (scrollarea_->verticalScrollBar()->minimum() == |
1125 | scrollarea_->verticalScrollBar()->maximum()); | |
925763b0 SA |
1126 | |
1127 | if (!session_.device()) { | |
1128 | reset_scroll(); | |
47e9e7bb | 1129 | signals_.clear(); |
925763b0 | 1130 | } else { |
925763b0 | 1131 | sr_dev = session_.device()->device(); |
3b353d67 | 1132 | assert(sr_dev); |
925763b0 SA |
1133 | channels = sr_dev->channels(); |
1134 | } | |
e37e05f7 | 1135 | |
925763b0 | 1136 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1137 | |
cf124e47 JH |
1138 | // Make a list of traces that are being added, and a list of traces |
1139 | // that are being removed | |
364d2155 JH |
1140 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1141 | const set<shared_ptr<Trace>> prev_traces( | |
1142 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1143 | |
47e9e7bb | 1144 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1145 | |
1146 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1147 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1148 | #endif |
1149 | ||
1150 | set< shared_ptr<Trace> > add_traces; | |
1151 | set_difference(traces.begin(), traces.end(), | |
1152 | prev_traces.begin(), prev_traces.end(), | |
1153 | inserter(add_traces, add_traces.begin())); | |
1154 | ||
1155 | set< shared_ptr<Trace> > remove_traces; | |
1156 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1157 | traces.begin(), traces.end(), | |
1158 | inserter(remove_traces, remove_traces.begin())); | |
1159 | ||
1160 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1161 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1162 | signal_map; |
47e9e7bb | 1163 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1164 | signal_map[sig->base()] = sig; |
448a72cf JH |
1165 | |
1166 | // Populate channel groups | |
925763b0 SA |
1167 | if (sr_dev) |
1168 | for (auto entry : sr_dev->channel_groups()) { | |
1169 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1170 | ||
1171 | if (group->channels().size() <= 1) | |
1172 | continue; | |
1173 | ||
1174 | // Find best trace group to add to | |
1175 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1176 | group, signal_map); | |
1177 | ||
1178 | // If there is no trace group, create one | |
1179 | shared_ptr<TraceGroup> new_trace_group; | |
1180 | if (!owner) { | |
1181 | new_trace_group.reset(new TraceGroup()); | |
1182 | owner = new_trace_group.get(); | |
1183 | } | |
1184 | ||
1185 | // Extract traces for the trace group, removing them from | |
1186 | // the add list | |
1187 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1188 | extract_new_traces_for_channels(group->channels(), | |
1189 | signal_map, add_traces); | |
1190 | ||
1191 | // Add the traces to the group | |
1192 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1193 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1194 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1195 | assert(trace); | |
1196 | owner->add_child_item(trace); | |
1197 | ||
1198 | const pair<int, int> extents = trace->v_extents(); | |
1199 | if (trace->enabled()) | |
1200 | offset += -extents.first; | |
1201 | trace->force_to_v_offset(offset); | |
1202 | if (trace->enabled()) | |
1203 | offset += extents.second; | |
1204 | } | |
1205 | ||
7d556523 SA |
1206 | if (new_trace_group) { |
1207 | // Assign proper vertical offsets to each channel in the group | |
1208 | new_trace_group->restack_items(); | |
1209 | ||
1210 | // If this is a new group, enqueue it in the new top level | |
1211 | // items list | |
1212 | if (!new_traces_in_group.empty()) | |
1213 | new_top_level_items.push_back(new_trace_group); | |
1214 | } | |
cf124e47 | 1215 | } |
68b21a71 | 1216 | |
769a79b5 JH |
1217 | // Enqueue the remaining logic channels in a group |
1218 | vector< shared_ptr<Channel> > logic_channels; | |
1219 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1220 | [](const shared_ptr<Channel>& c) { | |
1221 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1222 | |
769a79b5 | 1223 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1224 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1225 | ||
1226 | if (non_grouped_logic_signals.size() > 0) { | |
1227 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1228 | make_shared<TraceGroup>()); | |
1229 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1230 | non_grouped_trace_group->add_child_item(trace); | |
1231 | ||
1232 | non_grouped_trace_group->restack_items(); | |
1233 | new_top_level_items.push_back(non_grouped_trace_group); | |
1234 | } | |
769a79b5 | 1235 | |
cf124e47 JH |
1236 | // Enqueue the remaining channels as free ungrouped traces |
1237 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1238 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1239 | new_top_level_items.insert(new_top_level_items.end(), |
1240 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1241 | ||
1242 | // Enqueue any remaining traces i.e. decode traces | |
1243 | new_top_level_items.insert(new_top_level_items.end(), | |
1244 | add_traces.begin(), add_traces.end()); | |
1245 | ||
1246 | // Remove any removed traces | |
1247 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1248 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1249 | assert(owner); |
1250 | owner->remove_child_item(trace); | |
1251 | } | |
448a72cf | 1252 | |
bc72e51f SA |
1253 | // Remove any empty trace groups |
1254 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1255 | if (group->child_items().size() == 0) { |
bc72e51f | 1256 | remove_child_item(group); |
e28c998e SA |
1257 | group.reset(); |
1258 | } | |
bc72e51f | 1259 | |
cf124e47 | 1260 | // Add and position the pending top levels items |
6644424f | 1261 | int offset = v_extents().second; |
cf124e47 | 1262 | for (auto item : new_top_level_items) { |
8c09273b SA |
1263 | add_child_item(item); |
1264 | ||
d6128866 | 1265 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1266 | const pair<int, int> extents = item->v_extents(); |
1267 | ||
1268 | if (item->enabled()) | |
1269 | offset += -extents.first; | |
d6128866 | 1270 | |
d6128866 | 1271 | item->force_to_v_offset(offset); |
cf124e47 | 1272 | |
cf124e47 | 1273 | if (item->enabled()) |
8c09273b | 1274 | offset += extents.second; |
ef8311a4 JH |
1275 | } |
1276 | ||
76750c41 SA |
1277 | |
1278 | if (!new_top_level_items.empty()) | |
1279 | // Expand the header pane because the header should become fully | |
1280 | // visible when new signals are added | |
1281 | expand_header_to_fit(); | |
1282 | ||
a6c1726e | 1283 | update_layout(); |
cf124e47 JH |
1284 | |
1285 | header_->update(); | |
1286 | viewport_->update(); | |
925763b0 SA |
1287 | |
1288 | if (reset_scrollbar) | |
1289 | set_scroll_default(); | |
69dd2b03 JH |
1290 | } |
1291 | ||
7ee199a7 | 1292 | void View::capture_state_updated(int state) |
adb4b10c | 1293 | { |
92ff2b60 | 1294 | if (state == Session::Running) { |
4b0af0b6 | 1295 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1296 | |
92ff2b60 | 1297 | trigger_markers_.clear(); |
90472a51 | 1298 | |
820ce18a SA |
1299 | // Activate "always zoom to fit" if the setting is enabled and we're |
1300 | // the main view of this session (other trace views may be used for | |
1301 | // zooming and we don't want to mess them up) | |
90472a51 SA |
1302 | GlobalSettings settings; |
1303 | bool state = settings.value(GlobalSettings::Key_View_AlwaysZoomToFit).toBool(); | |
820ce18a | 1304 | if (is_main_view_ && state) { |
90472a51 SA |
1305 | always_zoom_to_fit_ = true; |
1306 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1307 | } | |
9b64f2df SA |
1308 | |
1309 | // Enable sticky scrolling if the setting is enabled | |
1310 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
92ff2b60 TS |
1311 | } |
1312 | ||
fd03a279 SA |
1313 | if (state == Session::Stopped) { |
1314 | // After acquisition has stopped we need to re-calculate the ticks once | |
1315 | // as it's otherwise done when the user pans or zooms, which is too late | |
1316 | calculate_tick_spacing(); | |
1317 | ||
1318 | // Reset "always zoom to fit", the acquisition has stopped | |
1319 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1320 | // Perform a final zoom-to-fit before disabling |
1321 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1322 | always_zoom_to_fit_ = false; |
90472a51 | 1323 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 SA |
1324 | } |
1325 | } | |
7ee199a7 SA |
1326 | } |
1327 | ||
c7b03d9d SA |
1328 | void View::perform_delayed_view_update() |
1329 | { | |
3906e758 | 1330 | if (always_zoom_to_fit_) { |
ce11b2ea | 1331 | zoom_fit(true); |
3906e758 | 1332 | } else if (sticky_scrolling_) { |
c7b03d9d | 1333 | // Make right side of the view sticky |
60d9b99a JS |
1334 | double length = 0; |
1335 | Timestamp offset; | |
c7b03d9d SA |
1336 | get_scroll_layout(length, offset); |
1337 | ||
1338 | const QSize areaSize = viewport_->size(); | |
1339 | length = max(length - areaSize.width(), 0.0); | |
1340 | ||
4b0af0b6 | 1341 | set_offset(scale_ * length); |
c7b03d9d | 1342 | } |
adb4b10c | 1343 | |
ef454ad5 | 1344 | determine_time_unit(); |
c7b03d9d SA |
1345 | update_scroll(); |
1346 | ruler_->update(); | |
8dbbc7f0 | 1347 | viewport_->update(); |
adb4b10c | 1348 | } |
cdf7bea7 | 1349 | |
32218d3e | 1350 | void View::process_sticky_events() |
d7c0ca4a | 1351 | { |
af503b10 | 1352 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1353 | update_layout(); |
af503b10 JH |
1354 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1355 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1356 | update_scroll(); |
1357 | } | |
32218d3e JH |
1358 | |
1359 | // Clear the sticky events | |
8dbbc7f0 | 1360 | sticky_events_ = 0; |
d7c0ca4a JH |
1361 | } |
1362 | ||
33c62f44 JH |
1363 | void View::on_hover_point_changed() |
1364 | { | |
cc88566c JH |
1365 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1366 | list_by_type<TraceTreeItem>()); | |
1367 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1368 | r->hover_point_changed(); |
33c62f44 JH |
1369 | } |
1370 | ||
f4e57597 SA |
1371 | } // namespace TraceView |
1372 | } // namespace views | |
cdf7bea7 | 1373 | } // namespace pv |