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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; |
451dc5f3 | 82 | using std::placeholders::_1; |
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 | 92 | namespace views { |
1573bf16 | 93 | namespace trace { |
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()), |
7daebd05 SA |
129 | segment_display_mode_(Trace::ShowLastSegmentOnly), |
130 | segment_selectable_(false), | |
c0100b55 | 131 | scale_(1e-3), |
8dbbc7f0 | 132 | offset_(0), |
ffc00fdd | 133 | ruler_offset_(0), |
8dbbc7f0 | 134 | updating_scroll_(false), |
4cc2e925 | 135 | settings_restored_(false), |
9510aea0 | 136 | header_was_shrunk_(false), |
c7b03d9d | 137 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 138 | always_zoom_to_fit_(false), |
c677193d | 139 | tick_period_(0), |
d001f416 | 140 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 141 | tick_precision_(0), |
d001f416 | 142 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 143 | show_cursors_(false), |
5c5ce757 | 144 | cursors_(new CursorPair(*this)), |
8914fe79 | 145 | next_flag_text_('A'), |
92ff2b60 | 146 | trigger_markers_(), |
f4203850 | 147 | hover_point_(-1, -1), |
e5cc8186 | 148 | scroll_needs_defaults_(true), |
28ceff25 SA |
149 | saved_v_offset_(0), |
150 | scale_at_acq_start_(0), | |
151 | offset_at_acq_start_(0), | |
152 | suppress_zoom_to_fit_after_acq_(false) | |
adb4b10c | 153 | { |
33094993 SA |
154 | QVBoxLayout *root_layout = new QVBoxLayout(this); |
155 | root_layout->setContentsMargins(0, 0, 0, 0); | |
156 | root_layout->addWidget(splitter_); | |
157 | ||
158 | viewport_ = new Viewport(*this); | |
159 | scrollarea_ = new CustomScrollArea(splitter_); | |
160 | scrollarea_->setViewport(viewport_); | |
161 | scrollarea_->setFrameShape(QFrame::NoFrame); | |
162 | ||
163 | ruler_ = new Ruler(*this); | |
164 | ||
165 | header_ = new Header(*this); | |
c1a6513b | 166 | header_->setMinimumWidth(10); // So that the arrow tips show at least |
33094993 SA |
167 | |
168 | // We put the header into a simple layout so that we can add the top margin, | |
169 | // allowing us to make it line up with the bottom of the ruler | |
170 | QWidget *header_container = new QWidget(); | |
171 | header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
172 | QVBoxLayout *header_layout = new QVBoxLayout(header_container); | |
173 | header_layout->setContentsMargins(0, ruler_->sizeHint().height(), 0, 0); | |
174 | header_layout->addWidget(header_); | |
175 | ||
176 | // To let the ruler and scrollarea be on the same split pane, we need a layout | |
177 | QWidget *trace_container = new QWidget(); | |
178 | trace_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
179 | QVBoxLayout *trace_layout = new QVBoxLayout(trace_container); | |
180 | trace_layout->setSpacing(0); // We don't want space between the ruler and scrollarea | |
181 | trace_layout->setContentsMargins(0, 0, 0, 0); | |
182 | trace_layout->addWidget(ruler_); | |
183 | trace_layout->addWidget(scrollarea_); | |
184 | ||
185 | splitter_->addWidget(header_container); | |
186 | splitter_->addWidget(trace_container); | |
187 | splitter_->setHandleWidth(1); // Don't show a visible rubber band | |
188 | splitter_->setCollapsible(0, false); // Prevent the header from collapsing | |
189 | splitter_->setCollapsible(1, false); // Prevent the traces from collapsing | |
1519e0fc SA |
190 | splitter_->setStretchFactor(0, 0); // Prevent the panes from being resized |
191 | splitter_->setStretchFactor(1, 1); // when the entire view is resized | |
33094993 SA |
192 | splitter_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); |
193 | ||
194 | viewport_->installEventFilter(this); | |
195 | ruler_->installEventFilter(this); | |
196 | header_->installEventFilter(this); | |
197 | ||
198 | // Set up settings and event handlers | |
24c29d4f SA |
199 | GlobalSettings settings; |
200 | coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool(); | |
201 | ||
d0c0573b | 202 | GlobalSettings::add_change_handler(this); |
451dc5f3 | 203 | |
33094993 | 204 | connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)), |
b16907d3 | 205 | this, SLOT(h_scroll_value_changed(int))); |
33094993 | 206 | connect(scrollarea_->verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 207 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 208 | |
8dbbc7f0 | 209 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
210 | ruler_, SLOT(clear_selection())); |
211 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 212 | header_, SLOT(clear_selection())); |
17348f85 | 213 | |
8dbbc7f0 | 214 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 215 | this, SIGNAL(selection_changed())); |
819e2e95 | 216 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
217 | this, SIGNAL(selection_changed())); |
218 | ||
e0be5f21 SA |
219 | connect(splitter_, SIGNAL(splitterMoved(int, int)), |
220 | this, SLOT(on_splitter_moved())); | |
221 | ||
8dbbc7f0 | 222 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 223 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 224 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 225 | |
9f46d905 JH |
226 | // Trigger the initial event manually. The default device has signals |
227 | // which were created before this object came into being | |
d873f4d6 | 228 | signals_changed(); |
84a0d458 | 229 | |
512bfc56 | 230 | // make sure the transparent widgets are on the top |
819e2e95 | 231 | ruler_->raise(); |
8dbbc7f0 | 232 | header_->raise(); |
361c560e JH |
233 | |
234 | // Update the zoom state | |
235 | calculate_tick_spacing(); | |
3734c464 SA |
236 | |
237 | // Make sure the standard bar's segment selector is in sync | |
238 | set_segment_display_mode(segment_display_mode_); | |
adb4b10c JH |
239 | } |
240 | ||
d0c0573b SA |
241 | View::~View() |
242 | { | |
243 | GlobalSettings::remove_change_handler(this); | |
244 | } | |
245 | ||
2b81ae46 | 246 | Session& View::session() |
1d19ef83 | 247 | { |
8dbbc7f0 | 248 | return session_; |
1d19ef83 JH |
249 | } |
250 | ||
2b81ae46 | 251 | const Session& View::session() const |
38eeddea | 252 | { |
8dbbc7f0 | 253 | return session_; |
38eeddea JH |
254 | } |
255 | ||
6f925ba9 | 256 | unordered_set< shared_ptr<Signal> > View::signals() const |
47e9e7bb SA |
257 | { |
258 | return signals_; | |
259 | } | |
260 | ||
261 | void View::clear_signals() | |
262 | { | |
5ed05b69 | 263 | ViewBase::clear_signalbases(); |
47e9e7bb SA |
264 | signals_.clear(); |
265 | } | |
266 | ||
f4e57597 | 267 | void View::add_signal(const shared_ptr<Signal> signal) |
47e9e7bb | 268 | { |
5ed05b69 | 269 | ViewBase::add_signalbase(signal->base()); |
47e9e7bb | 270 | signals_.insert(signal); |
00c518d6 | 271 | |
7daebd05 | 272 | signal->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 273 | signal->set_current_segment(current_segment_); |
7daebd05 | 274 | |
00c518d6 SA |
275 | connect(signal->base().get(), SIGNAL(name_changed(const QString&)), |
276 | this, SLOT(on_signal_name_changed())); | |
47e9e7bb SA |
277 | } |
278 | ||
bb7dd726 | 279 | #ifdef ENABLE_DECODE |
f4e57597 | 280 | void View::clear_decode_signals() |
bb7dd726 SA |
281 | { |
282 | decode_traces_.clear(); | |
283 | } | |
284 | ||
ad908057 | 285 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 | 286 | { |
f4e57597 | 287 | shared_ptr<DecodeTrace> d( |
ad908057 | 288 | new DecodeTrace(session_, signal, decode_traces_.size())); |
bb7dd726 | 289 | decode_traces_.push_back(d); |
00c518d6 | 290 | |
7daebd05 | 291 | d->set_segment_display_mode(segment_display_mode_); |
8a603e13 | 292 | d->set_current_segment(current_segment_); |
7daebd05 | 293 | |
00c518d6 SA |
294 | connect(signal.get(), SIGNAL(name_changed(const QString&)), |
295 | this, SLOT(on_signal_name_changed())); | |
bb7dd726 SA |
296 | } |
297 | ||
ad908057 | 298 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) |
bb7dd726 SA |
299 | { |
300 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
ad908057 | 301 | if ((*i)->base() == signal) { |
bb7dd726 SA |
302 | decode_traces_.erase(i); |
303 | signals_changed(); | |
304 | return; | |
305 | } | |
306 | } | |
307 | #endif | |
308 | ||
eae6e30a JH |
309 | View* View::view() |
310 | { | |
311 | return this; | |
312 | } | |
313 | ||
314 | const View* View::view() const | |
315 | { | |
316 | return this; | |
317 | } | |
318 | ||
2ae445ba SA |
319 | Viewport* View::viewport() |
320 | { | |
8dbbc7f0 | 321 | return viewport_; |
2ae445ba SA |
322 | } |
323 | ||
324 | const Viewport* View::viewport() const | |
325 | { | |
8dbbc7f0 | 326 | return viewport_; |
2ae445ba SA |
327 | } |
328 | ||
3a21afa6 SA |
329 | void View::save_settings(QSettings &settings) const |
330 | { | |
331 | settings.setValue("scale", scale_); | |
39ab01e7 | 332 | settings.setValue("v_offset", |
33094993 | 333 | scrollarea_->verticalScrollBar()->sliderPosition()); |
3a21afa6 | 334 | |
37849039 | 335 | settings.setValue("splitter_state", splitter_->saveState()); |
89914a86 | 336 | settings.setValue("segment_display_mode", segment_display_mode_); |
37849039 | 337 | |
ffc00fdd C |
338 | { |
339 | stringstream ss; | |
340 | boost::archive::text_oarchive oa(ss); | |
341 | oa << boost::serialization::make_nvp("ruler_shift", ruler_shift_); | |
342 | settings.setValue("ruler_shift", QString::fromStdString(ss.str())); | |
343 | } | |
344 | { | |
345 | stringstream ss; | |
346 | boost::archive::text_oarchive oa(ss); | |
347 | oa << boost::serialization::make_nvp("offset", offset_); | |
348 | settings.setValue("offset", QString::fromStdString(ss.str())); | |
349 | } | |
3a21afa6 | 350 | |
f4e57597 | 351 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
352 | settings.beginGroup(signal->base()->internal_name()); |
353 | signal->save_settings(settings); | |
354 | settings.endGroup(); | |
355 | } | |
356 | } | |
357 | ||
358 | void View::restore_settings(QSettings &settings) | |
359 | { | |
39ab01e7 SA |
360 | // Note: It is assumed that this function is only called once, |
361 | // immediately after restoring a previous session. | |
362 | ||
3a21afa6 SA |
363 | if (settings.contains("scale")) |
364 | set_scale(settings.value("scale").toDouble()); | |
365 | ||
ffc00fdd C |
366 | if (settings.contains("ruler_shift")) { |
367 | util::Timestamp shift; | |
368 | stringstream ss; | |
369 | ss << settings.value("ruler_shift").toString().toStdString(); | |
370 | ||
371 | boost::archive::text_iarchive ia(ss); | |
372 | ia >> boost::serialization::make_nvp("ruler_shift", shift); | |
373 | ||
374 | ruler_shift_ = shift; | |
375 | } | |
376 | ||
3a21afa6 SA |
377 | if (settings.contains("offset")) { |
378 | util::Timestamp offset; | |
6f925ba9 | 379 | stringstream ss; |
3a21afa6 SA |
380 | ss << settings.value("offset").toString().toStdString(); |
381 | ||
382 | boost::archive::text_iarchive ia(ss); | |
383 | ia >> boost::serialization::make_nvp("offset", offset); | |
384 | ||
ffc00fdd | 385 | // This also updates ruler_offset_ |
3a21afa6 SA |
386 | set_offset(offset); |
387 | } | |
388 | ||
37849039 SA |
389 | if (settings.contains("splitter_state")) |
390 | splitter_->restoreState(settings.value("splitter_state").toByteArray()); | |
391 | ||
89914a86 SA |
392 | if (settings.contains("segment_display_mode")) |
393 | set_segment_display_mode( | |
394 | (Trace::SegmentDisplayMode)(settings.value("segment_display_mode").toInt())); | |
395 | ||
f4e57597 | 396 | for (shared_ptr<Signal> signal : signals_) { |
3a21afa6 SA |
397 | settings.beginGroup(signal->base()->internal_name()); |
398 | signal->restore_settings(settings); | |
399 | settings.endGroup(); | |
400 | } | |
39ab01e7 SA |
401 | |
402 | if (settings.contains("v_offset")) { | |
403 | saved_v_offset_ = settings.value("v_offset").toInt(); | |
404 | set_v_offset(saved_v_offset_); | |
e62bee73 | 405 | scroll_needs_defaults_ = false; |
5f9b7de5 | 406 | // Note: see eventFilter() for additional information |
39ab01e7 | 407 | } |
4cc2e925 SA |
408 | |
409 | settings_restored_ = true; | |
28ceff25 | 410 | suppress_zoom_to_fit_after_acq_ = true; |
bca3faab SA |
411 | |
412 | // Update the ruler so that it uses the new scale | |
413 | calculate_tick_spacing(); | |
3a21afa6 SA |
414 | } |
415 | ||
2496bf45 JH |
416 | vector< shared_ptr<TimeItem> > View::time_items() const |
417 | { | |
8914fe79 JH |
418 | const vector<shared_ptr<Flag>> f(flags()); |
419 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 420 | items.push_back(cursors_); |
5c5ce757 JH |
421 | items.push_back(cursors_->first()); |
422 | items.push_back(cursors_->second()); | |
1a2288a1 | 423 | |
92ff2b60 TS |
424 | for (auto trigger_marker : trigger_markers_) |
425 | items.push_back(trigger_marker); | |
1a2288a1 | 426 | |
2496bf45 JH |
427 | return items; |
428 | } | |
429 | ||
cdf7bea7 | 430 | double View::scale() const |
adb4b10c | 431 | { |
8dbbc7f0 | 432 | return scale_; |
adb4b10c JH |
433 | } |
434 | ||
4b0af0b6 JS |
435 | void View::set_scale(double scale) |
436 | { | |
437 | if (scale_ != scale) { | |
438 | scale_ = scale; | |
25e734c8 | 439 | scale_changed(); |
4b0af0b6 JS |
440 | } |
441 | } | |
442 | ||
451dc5f3 | 443 | void View::set_offset(const pv::util::Timestamp& offset, bool force_update) |
4b0af0b6 | 444 | { |
451dc5f3 | 445 | if ((offset_ != offset) || force_update) { |
4b0af0b6 | 446 | offset_ = offset; |
ffc00fdd | 447 | ruler_offset_ = offset_ + ruler_shift_; |
25e734c8 | 448 | offset_changed(); |
4b0af0b6 JS |
449 | } |
450 | } | |
451 | ||
ffc00fdd C |
452 | const Timestamp& View::offset() const |
453 | { | |
454 | return offset_; | |
455 | } | |
456 | ||
ffc00fdd C |
457 | const Timestamp& View::ruler_offset() const |
458 | { | |
459 | return ruler_offset_; | |
460 | } | |
461 | ||
451dc5f3 SA |
462 | void View::set_zero_position(pv::util::Timestamp& position) |
463 | { | |
464 | ruler_shift_ = -position; | |
465 | ||
466 | // Force an immediate update of the offsets | |
467 | set_offset(offset_, true); | |
468 | ruler_->update(); | |
469 | } | |
470 | ||
471 | void View::reset_zero_position() | |
472 | { | |
473 | ruler_shift_ = 0; | |
474 | ||
475 | // Force an immediate update of the offsets | |
476 | set_offset(offset_, true); | |
477 | ruler_->update(); | |
478 | } | |
479 | ||
7ff0145f | 480 | int View::owner_visual_v_offset() const |
adb4b10c | 481 | { |
33094993 | 482 | return -scrollarea_->verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
483 | } |
484 | ||
4d476647 JH |
485 | void View::set_v_offset(int offset) |
486 | { | |
33094993 | 487 | scrollarea_->verticalScrollBar()->setSliderPosition(offset); |
4d476647 JH |
488 | header_->update(); |
489 | viewport_->update(); | |
490 | } | |
491 | ||
3e769a37 JH |
492 | unsigned int View::depth() const |
493 | { | |
494 | return 0; | |
495 | } | |
496 | ||
89914a86 SA |
497 | uint32_t View::current_segment() const |
498 | { | |
499 | return current_segment_; | |
500 | } | |
501 | ||
d001f416 | 502 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
503 | { |
504 | return tick_prefix_; | |
505 | } | |
506 | ||
4b0af0b6 JS |
507 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
508 | { | |
509 | if (tick_prefix_ != tick_prefix) { | |
510 | tick_prefix_ = tick_prefix; | |
25e734c8 | 511 | tick_prefix_changed(); |
4b0af0b6 JS |
512 | } |
513 | } | |
514 | ||
d40f4db7 SA |
515 | unsigned int View::tick_precision() const |
516 | { | |
517 | return tick_precision_; | |
518 | } | |
519 | ||
4b0af0b6 JS |
520 | void View::set_tick_precision(unsigned tick_precision) |
521 | { | |
522 | if (tick_precision_ != tick_precision) { | |
523 | tick_precision_ = tick_precision; | |
25e734c8 | 524 | tick_precision_changed(); |
4b0af0b6 JS |
525 | } |
526 | } | |
527 | ||
c677193d | 528 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
529 | { |
530 | return tick_period_; | |
531 | } | |
532 | ||
4a076157 C |
533 | unsigned int View::minor_tick_count() const |
534 | { | |
535 | return minor_tick_count_; | |
536 | } | |
537 | ||
c677193d | 538 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
539 | { |
540 | if (tick_period_ != tick_period) { | |
541 | tick_period_ = tick_period; | |
25e734c8 | 542 | tick_period_changed(); |
4b0af0b6 JS |
543 | } |
544 | } | |
545 | ||
ef454ad5 SA |
546 | TimeUnit View::time_unit() const |
547 | { | |
548 | return time_unit_; | |
549 | } | |
550 | ||
4b0af0b6 JS |
551 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
552 | { | |
553 | if (time_unit_ != time_unit) { | |
554 | time_unit_ = time_unit; | |
25e734c8 | 555 | time_unit_changed(); |
4b0af0b6 JS |
556 | } |
557 | } | |
558 | ||
558ad6ce SA |
559 | void View::set_current_segment(uint32_t segment_id) |
560 | { | |
561 | current_segment_ = segment_id; | |
562 | ||
563 | for (shared_ptr<Signal> signal : signals_) | |
564 | signal->set_current_segment(current_segment_); | |
57c04e78 | 565 | #ifdef ENABLE_DECODE |
558ad6ce SA |
566 | for (shared_ptr<DecodeTrace> dt : decode_traces_) |
567 | dt->set_current_segment(current_segment_); | |
57c04e78 | 568 | #endif |
558ad6ce | 569 | |
451dc5f3 SA |
570 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); |
571 | ||
7ea2a4ff | 572 | trigger_markers_.clear(); |
451dc5f3 | 573 | for (util::Timestamp timestamp : triggers) |
7ea2a4ff SA |
574 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, timestamp)); |
575 | ||
451dc5f3 SA |
576 | // When enabled, the first trigger for this segment is used as the zero position |
577 | GlobalSettings settings; | |
578 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
579 | ||
580 | if (trigger_is_zero_time && (triggers.size() > 0)) | |
581 | set_zero_position(triggers.front()); | |
582 | ||
558ad6ce | 583 | viewport_->update(); |
89914a86 SA |
584 | |
585 | segment_changed(segment_id); | |
558ad6ce SA |
586 | } |
587 | ||
7daebd05 SA |
588 | bool View::segment_is_selectable() const |
589 | { | |
590 | return segment_selectable_; | |
591 | } | |
592 | ||
89914a86 SA |
593 | Trace::SegmentDisplayMode View::segment_display_mode() const |
594 | { | |
595 | return segment_display_mode_; | |
596 | } | |
597 | ||
7daebd05 SA |
598 | void View::set_segment_display_mode(Trace::SegmentDisplayMode mode) |
599 | { | |
7ea2a4ff SA |
600 | trigger_markers_.clear(); |
601 | ||
89914a86 SA |
602 | segment_display_mode_ = mode; |
603 | ||
7daebd05 SA |
604 | for (shared_ptr<Signal> signal : signals_) |
605 | signal->set_segment_display_mode(mode); | |
606 | ||
89914a86 SA |
607 | uint32_t last_segment = session_.get_segment_count() - 1; |
608 | ||
609 | switch (mode) { | |
610 | case Trace::ShowLastSegmentOnly: | |
611 | if (current_segment_ != last_segment) | |
612 | set_current_segment(last_segment); | |
613 | break; | |
614 | ||
615 | case Trace::ShowLastCompleteSegmentOnly: | |
616 | // Do nothing if we only have one segment so far | |
617 | if (last_segment > 0) { | |
618 | // If the last segment isn't complete, the previous one must be | |
619 | uint32_t segment_id = | |
620 | (session_.all_segments_complete(last_segment)) ? | |
621 | last_segment : last_segment - 1; | |
622 | ||
623 | if (current_segment_ != segment_id) | |
624 | set_current_segment(segment_id); | |
625 | } | |
626 | break; | |
627 | ||
628 | case Trace::ShowSingleSegmentOnly: | |
629 | case Trace::ShowAllSegments: | |
630 | case Trace::ShowAccumulatedIntensity: | |
631 | default: | |
632 | // Current segment remains as-is | |
633 | break; | |
634 | } | |
7daebd05 SA |
635 | |
636 | segment_selectable_ = true; | |
637 | ||
89914a86 | 638 | if ((mode == Trace::ShowAllSegments) || (mode == Trace::ShowAccumulatedIntensity)) |
7daebd05 SA |
639 | segment_selectable_ = false; |
640 | ||
89914a86 SA |
641 | viewport_->update(); |
642 | ||
643 | segment_display_mode_changed((int)mode, segment_selectable_); | |
7daebd05 SA |
644 | } |
645 | ||
cdf7bea7 | 646 | void View::zoom(double steps) |
adb4b10c | 647 | { |
8dbbc7f0 | 648 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
649 | } |
650 | ||
17c0f398 JH |
651 | void View::zoom(double steps, int offset) |
652 | { | |
c063290a | 653 | set_zoom(scale_ * pow(3.0 / 2.0, -steps), offset); |
17c0f398 JH |
654 | } |
655 | ||
ce11b2ea | 656 | void View::zoom_fit(bool gui_state) |
ca46b534 | 657 | { |
ce11b2ea SA |
658 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
659 | if (session_.get_capture_state() == Session::Stopped) { | |
660 | always_zoom_to_fit_ = false; | |
661 | always_zoom_to_fit_changed(false); | |
662 | } else { | |
663 | always_zoom_to_fit_ = gui_state; | |
664 | always_zoom_to_fit_changed(gui_state); | |
665 | } | |
666 | ||
60d9b99a JS |
667 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
668 | const Timestamp delta = extents.second - extents.first; | |
669 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
670 | return; |
671 | ||
8dbbc7f0 JH |
672 | assert(viewport_); |
673 | const int w = viewport_->width(); | |
ca46b534 JH |
674 | if (w <= 0) |
675 | return; | |
676 | ||
60d9b99a JS |
677 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
678 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
679 | } |
680 | ||
d1e7d82c JH |
681 | void View::zoom_one_to_one() |
682 | { | |
683 | using pv::data::SignalData; | |
684 | ||
d1e7d82c | 685 | // Make a set of all the visible data objects |
0fc664a9 | 686 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
687 | if (visible_data.empty()) |
688 | return; | |
689 | ||
8dbbc7f0 JH |
690 | assert(viewport_); |
691 | const int w = viewport_->width(); | |
d1e7d82c JH |
692 | if (w <= 0) |
693 | return; | |
694 | ||
2220e942 | 695 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
696 | } |
697 | ||
60d9b99a | 698 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 699 | { |
ce11b2ea SA |
700 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
701 | // and user drags the viewport | |
c7b03d9d | 702 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
703 | (session_.get_capture_state() == Session::Running)) { |
704 | ||
705 | if (sticky_scrolling_) { | |
706 | sticky_scrolling_ = false; | |
707 | sticky_scrolling_changed(false); | |
708 | } | |
709 | ||
710 | if (always_zoom_to_fit_) { | |
711 | always_zoom_to_fit_ = false; | |
712 | always_zoom_to_fit_changed(false); | |
713 | } | |
c7b03d9d SA |
714 | } |
715 | ||
4b0af0b6 JS |
716 | set_scale(scale); |
717 | set_offset(offset); | |
ccdd3ef5 | 718 | |
361c560e JH |
719 | calculate_tick_spacing(); |
720 | ||
adb4b10c | 721 | update_scroll(); |
8dbbc7f0 | 722 | ruler_->update(); |
8dbbc7f0 | 723 | viewport_->update(); |
adb4b10c JH |
724 | } |
725 | ||
1bc6525b JH |
726 | set< shared_ptr<SignalData> > View::get_visible_data() const |
727 | { | |
1bc6525b JH |
728 | // Make a set of all the visible data objects |
729 | set< shared_ptr<SignalData> > visible_data; | |
47e9e7bb | 730 | for (const shared_ptr<Signal> sig : signals_) |
1bc6525b JH |
731 | if (sig->enabled()) |
732 | visible_data.insert(sig->data()); | |
733 | ||
734 | return visible_data; | |
735 | } | |
736 | ||
60d9b99a | 737 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 738 | { |
60d9b99a | 739 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 740 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 741 | for (const shared_ptr<SignalData> d : visible_data) { |
c063290a | 742 | const vector< shared_ptr<Segment> > segments = d->segments(); |
f3d66e52 | 743 | for (const shared_ptr<Segment> &s : segments) { |
ff008de6 JH |
744 | double samplerate = s->samplerate(); |
745 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
746 | ||
60d9b99a JS |
747 | const Timestamp start_time = s->start_time(); |
748 | left_time = left_time ? | |
749 | min(*left_time, start_time) : | |
750 | start_time; | |
751 | right_time = right_time ? | |
752 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
753 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 754 | } |
1bc6525b JH |
755 | } |
756 | ||
60d9b99a JS |
757 | if (!left_time || !right_time) |
758 | return make_pair(0, 0); | |
7f4038d6 | 759 | |
60d9b99a JS |
760 | assert(*left_time < *right_time); |
761 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
762 | } |
763 | ||
051ba3b3 UH |
764 | void View::enable_show_sampling_points(bool state) |
765 | { | |
766 | (void)state; | |
767 | ||
768 | viewport_->update(); | |
769 | } | |
770 | ||
8ad61f40 UH |
771 | void View::enable_show_analog_minor_grid(bool state) |
772 | { | |
773 | (void)state; | |
774 | ||
775 | viewport_->update(); | |
776 | } | |
777 | ||
574c568d SA |
778 | void View::enable_coloured_bg(bool state) |
779 | { | |
48995388 | 780 | coloured_bg_ = state; |
574c568d SA |
781 | viewport_->update(); |
782 | } | |
783 | ||
48995388 JH |
784 | bool View::coloured_bg() const |
785 | { | |
786 | return coloured_bg_; | |
787 | } | |
788 | ||
f76af637 JH |
789 | bool View::cursors_shown() const |
790 | { | |
8dbbc7f0 | 791 | return show_cursors_; |
f76af637 JH |
792 | } |
793 | ||
794 | void View::show_cursors(bool show) | |
795 | { | |
8dbbc7f0 | 796 | show_cursors_ = show; |
819e2e95 | 797 | ruler_->update(); |
8dbbc7f0 | 798 | viewport_->update(); |
f76af637 JH |
799 | } |
800 | ||
b4d91e56 JH |
801 | void View::centre_cursors() |
802 | { | |
8dbbc7f0 | 803 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
804 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
805 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 806 | ruler_->update(); |
8dbbc7f0 | 807 | viewport_->update(); |
b4d91e56 JH |
808 | } |
809 | ||
6f925ba9 | 810 | shared_ptr<CursorPair> View::cursors() const |
58864c5c | 811 | { |
8dbbc7f0 | 812 | return cursors_; |
58864c5c JH |
813 | } |
814 | ||
60d9b99a | 815 | void View::add_flag(const Timestamp& time) |
8914fe79 | 816 | { |
067bb624 UH |
817 | flags_.push_back(make_shared<Flag>(*this, time, |
818 | QString("%1").arg(next_flag_text_))); | |
48257a69 | 819 | |
8914fe79 JH |
820 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
821 | (next_flag_text_ + 1); | |
48257a69 | 822 | |
8914fe79 JH |
823 | time_item_appearance_changed(true, true); |
824 | } | |
825 | ||
6f925ba9 | 826 | void View::remove_flag(shared_ptr<Flag> flag) |
8914fe79 JH |
827 | { |
828 | flags_.remove(flag); | |
829 | time_item_appearance_changed(true, true); | |
830 | } | |
831 | ||
6f925ba9 | 832 | vector< shared_ptr<Flag> > View::flags() const |
8914fe79 | 833 | { |
6f925ba9 | 834 | vector< shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); |
8914fe79 JH |
835 | stable_sort(flags.begin(), flags.end(), |
836 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
837 | return a->time() < b->time(); | |
838 | }); | |
839 | ||
840 | return flags; | |
841 | } | |
842 | ||
cbd80f64 JH |
843 | const QPoint& View::hover_point() const |
844 | { | |
8dbbc7f0 | 845 | return hover_point_; |
cbd80f64 JH |
846 | } |
847 | ||
af503b10 | 848 | void View::restack_all_trace_tree_items() |
7ff0145f | 849 | { |
873cbed0 | 850 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
851 | const vector<shared_ptr<TraceTreeItem>> items( |
852 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 853 | set< TraceTreeItemOwner* > owners; |
cc88566c | 854 | for (const auto &r : items) |
4800cf9a | 855 | owners.insert(r->owner()); |
af503b10 | 856 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 857 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 858 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
859 | return a->depth() > b->depth(); }); |
860 | ||
861 | // Restack the items recursively | |
862 | for (auto &o : sorted_owners) | |
863 | o->restack_items(); | |
864 | ||
865 | // Animate the items to their destination | |
cef5997e JH |
866 | for (const auto &i : items) |
867 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
868 | } |
869 | ||
d0c0573b SA |
870 | void View::on_setting_changed(const QString &key, const QVariant &value) |
871 | { | |
872 | if (key == GlobalSettings::Key_View_TriggerIsZeroTime) | |
873 | on_settingViewTriggerIsZeroTime_changed(value); | |
874 | } | |
875 | ||
7ea2a4ff | 876 | void View::trigger_event(int segment_id, util::Timestamp location) |
48257a69 | 877 | { |
7ea2a4ff SA |
878 | // TODO This doesn't work if we're showing multiple segments at once |
879 | if ((uint32_t)segment_id != current_segment_) | |
880 | return; | |
881 | ||
451dc5f3 SA |
882 | // Set zero location if the Key_View_TriggerIsZeroTime setting is set and |
883 | // if this is the first trigger for this segment. | |
ffc00fdd C |
884 | GlobalSettings settings; |
885 | bool trigger_is_zero_time = settings.value(GlobalSettings::Key_View_TriggerIsZeroTime).toBool(); | |
886 | ||
451dc5f3 SA |
887 | size_t trigger_count = session_.get_triggers(current_segment_).size(); |
888 | ||
889 | if (trigger_is_zero_time && trigger_count == 1) | |
890 | set_zero_position(location); | |
ffc00fdd | 891 | |
067bb624 | 892 | trigger_markers_.push_back(make_shared<TriggerMarker>(*this, location)); |
48257a69 SA |
893 | } |
894 | ||
60d9b99a | 895 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 896 | { |
60d9b99a JS |
897 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
898 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 899 | offset = offset_ / scale_; |
f25770e2 JH |
900 | } |
901 | ||
d1e7d82c JH |
902 | void View::set_zoom(double scale, int offset) |
903 | { | |
ce11b2ea SA |
904 | // Reset the "always zoom to fit" feature as the user changed the zoom |
905 | always_zoom_to_fit_ = false; | |
906 | always_zoom_to_fit_changed(false); | |
907 | ||
60d9b99a JS |
908 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
909 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
910 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
911 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
912 | } |
913 | ||
361c560e JH |
914 | void View::calculate_tick_spacing() |
915 | { | |
8a1bc087 | 916 | const double SpacingIncrement = 10.0f; |
8a463dbc | 917 | const double MinValueSpacing = 40.0f; |
361c560e | 918 | |
1e124d4b SA |
919 | // Figure out the highest numeric value visible on a label |
920 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 921 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
922 | fabs(offset_ + scale_ * areaSize.width())); |
923 | ||
d40f4db7 SA |
924 | double min_width = SpacingIncrement; |
925 | double label_width, tick_period_width; | |
361c560e JH |
926 | |
927 | QFontMetrics m(QApplication::font()); | |
928 | ||
adb3831e JS |
929 | // Copies of the member variables with the same name, used in the calculation |
930 | // and written back afterwards, so that we don't emit signals all the time | |
931 | // during the calculation. | |
932 | pv::util::Timestamp tick_period = tick_period_; | |
933 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
934 | unsigned tick_precision = tick_precision_; | |
935 | ||
361c560e JH |
936 | do { |
937 | const double min_period = scale_ * min_width; | |
938 | ||
939 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
940 | const pv::util::Timestamp order_decimal = |
941 | pow(pv::util::Timestamp(10), order); | |
361c560e | 942 | |
8a1bc087 SA |
943 | // Allow for a margin of error so that a scale unit of 1 can be used. |
944 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
945 | // the min_period by a small amount - and thus skipped in favor of 2. | |
946 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
947 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
948 | double tp_with_margin; | |
361c560e JH |
949 | unsigned int unit = 0; |
950 | ||
951 | do { | |
c677193d JS |
952 | tp_with_margin = order_decimal.convert_to<double>() * |
953 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 954 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 955 | |
4a076157 | 956 | minor_tick_count_ = (unit == 2) ? (4) : (5); |
adb3831e JS |
957 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
958 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
959 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 960 | |
d40f4db7 SA |
961 | // Precision is the number of fractional digits required, not |
962 | // taking the prefix into account (and it must never be negative) | |
6f925ba9 | 963 | tick_precision = max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 964 | |
adb3831e | 965 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 966 | |
3ccf0f7f JS |
967 | const QString label_text = Ruler::format_time_with_distance( |
968 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
969 | |
970 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
971 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
972 | MinValueSpacing; |
973 | ||
974 | min_width += SpacingIncrement; | |
d40f4db7 | 975 | } while (tick_period_width < label_width); |
adb3831e JS |
976 | |
977 | set_tick_period(tick_period); | |
978 | set_tick_prefix(tick_prefix); | |
979 | set_tick_precision(tick_precision); | |
361c560e JH |
980 | } |
981 | ||
8a5fd81f SA |
982 | void View::adjust_top_margin() |
983 | { | |
984 | assert(viewport_); | |
985 | ||
986 | const QSize areaSize = viewport_->size(); | |
987 | ||
988 | const pair<int, int> extents = v_extents(); | |
989 | const int top_margin = owner_visual_v_offset() + extents.first; | |
990 | const int trace_bottom = owner_visual_v_offset() + extents.first + extents.second; | |
991 | ||
992 | // Do we have empty space at the top while the last trace goes out of screen? | |
993 | if ((top_margin > 0) && (trace_bottom > areaSize.height())) { | |
994 | const int trace_height = extents.second - extents.first; | |
995 | ||
996 | // Center everything vertically if there is enough space | |
997 | if (areaSize.height() >= trace_height) | |
998 | set_v_offset(extents.first - | |
999 | ((areaSize.height() - trace_height) / 2)); | |
1000 | else | |
1001 | // Remove the top margin to make as many traces fit on screen as possible | |
1002 | set_v_offset(extents.first); | |
1003 | } | |
1004 | } | |
1005 | ||
cdf7bea7 | 1006 | void View::update_scroll() |
adb4b10c | 1007 | { |
8dbbc7f0 | 1008 | assert(viewport_); |
33094993 SA |
1009 | QScrollBar *hscrollbar = scrollarea_->horizontalScrollBar(); |
1010 | QScrollBar *vscrollbar = scrollarea_->verticalScrollBar(); | |
adb4b10c | 1011 | |
8dbbc7f0 | 1012 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
1013 | |
1014 | // Set the horizontal scroll bar | |
60d9b99a JS |
1015 | double length = 0; |
1016 | Timestamp offset; | |
f25770e2 JH |
1017 | get_scroll_layout(length, offset); |
1018 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 1019 | |
c677193d | 1020 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 1021 | |
f4e57597 SA |
1022 | hscrollbar->setPageStep(areaSize.width() / 2); |
1023 | hscrollbar->setSingleStep(major_tick_distance); | |
f25770e2 | 1024 | |
8dbbc7f0 | 1025 | updating_scroll_ = true; |
528bd8a1 | 1026 | |
333d5bbc | 1027 | if (length < MaxScrollValue) { |
f4e57597 SA |
1028 | hscrollbar->setRange(0, length); |
1029 | hscrollbar->setSliderPosition(offset.convert_to<double>()); | |
f25770e2 | 1030 | } else { |
f4e57597 SA |
1031 | hscrollbar->setRange(0, MaxScrollValue); |
1032 | hscrollbar->setSliderPosition( | |
60d9b99a | 1033 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 1034 | } |
adb4b10c | 1035 | |
8dbbc7f0 | 1036 | updating_scroll_ = false; |
528bd8a1 | 1037 | |
adb4b10c | 1038 | // Set the vertical scrollbar |
f4e57597 SA |
1039 | vscrollbar->setPageStep(areaSize.height()); |
1040 | vscrollbar->setSingleStep(areaSize.height() / 8); | |
a5d93c27 JH |
1041 | |
1042 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
1043 | |
1044 | // Don't change the scrollbar range if there are no traces | |
1045 | if (extents.first != extents.second) | |
f4e57597 | 1046 | vscrollbar->setRange(extents.first - areaSize.height(), |
925763b0 SA |
1047 | extents.second); |
1048 | ||
e62bee73 | 1049 | if (scroll_needs_defaults_) |
925763b0 SA |
1050 | set_scroll_default(); |
1051 | } | |
1052 | ||
1053 | void View::reset_scroll() | |
1054 | { | |
33094993 | 1055 | scrollarea_->verticalScrollBar()->setRange(0, 0); |
925763b0 SA |
1056 | } |
1057 | ||
1058 | void View::set_scroll_default() | |
1059 | { | |
1060 | assert(viewport_); | |
1061 | ||
1062 | const QSize areaSize = viewport_->size(); | |
1063 | ||
925763b0 SA |
1064 | const pair<int, int> extents = v_extents(); |
1065 | const int trace_height = extents.second - extents.first; | |
1066 | ||
1067 | // Do all traces fit in the view? | |
1068 | if (areaSize.height() >= trace_height) | |
1069 | // Center all traces vertically | |
1070 | set_v_offset(extents.first - | |
1071 | ((areaSize.height() - trace_height) / 2)); | |
1072 | else | |
1073 | // Put the first trace at the top, letting the bottom ones overflow | |
1074 | set_v_offset(extents.first); | |
adb4b10c JH |
1075 | } |
1076 | ||
9510aea0 | 1077 | void View::determine_if_header_was_shrunk() |
33094993 SA |
1078 | { |
1079 | const int header_pane_width = splitter_->sizes().front(); | |
1080 | const int header_width = header_->extended_size_hint().width(); | |
1081 | ||
e0be5f21 SA |
1082 | // Allow for a slight margin of error so that we also accept |
1083 | // slight differences when e.g. a label name change increased | |
1084 | // the overall width | |
9510aea0 | 1085 | header_was_shrunk_ = (header_pane_width < (header_width - 10)); |
33094993 SA |
1086 | } |
1087 | ||
60c426a0 | 1088 | void View::resize_header_to_fit() |
d7c0ca4a | 1089 | { |
572c3bb7 SA |
1090 | // Setting the maximum width of the header widget doesn't work as |
1091 | // expected because the splitter would allow the user to make the | |
1092 | // pane wider than that, creating empty space as a result. | |
1093 | // To make this work, we stricly enforce the maximum width by | |
1094 | // expanding the header unless the user shrunk it on purpose. | |
1095 | // As we're then setting the width of the header pane, we set the | |
1096 | // splitter to the maximum allowed position. | |
1097 | ||
76750c41 SA |
1098 | int splitter_area_width = 0; |
1099 | for (int w : splitter_->sizes()) | |
1100 | splitter_area_width += w; | |
33094993 | 1101 | |
76750c41 SA |
1102 | // Make sure the header has enough horizontal space to show all labels fully |
1103 | QList<int> pane_sizes; | |
1104 | pane_sizes.push_back(header_->extended_size_hint().width()); | |
1105 | pane_sizes.push_back(splitter_area_width - header_->extended_size_hint().width()); | |
1106 | splitter_->setSizes(pane_sizes); | |
1107 | } | |
1108 | ||
1109 | void View::update_layout() | |
1110 | { | |
d7c0ca4a JH |
1111 | update_scroll(); |
1112 | } | |
1113 | ||
af503b10 | 1114 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 1115 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 1116 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1117 | &signal_map) |
448a72cf | 1118 | { |
cf124e47 | 1119 | assert(group); |
448a72cf | 1120 | |
af503b10 JH |
1121 | unordered_set<TraceTreeItemOwner*> owners; |
1122 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 1123 | |
cf124e47 JH |
1124 | // Make a set and a list of all the owners |
1125 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
1126 | for (auto entry : signal_map) { |
1127 | if (entry.first->channel() == channel) { | |
1128 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
1129 | owner_list.push_back(o); | |
1130 | owners.insert(o); | |
1131 | } | |
1132 | } | |
cf124e47 | 1133 | } |
448a72cf | 1134 | |
cf124e47 JH |
1135 | // Iterate through the list of owners, and find the most prevalent |
1136 | size_t max_prevalence = 0; | |
af503b10 JH |
1137 | TraceTreeItemOwner *prevalent_owner = nullptr; |
1138 | for (TraceTreeItemOwner *owner : owners) { | |
6f925ba9 | 1139 | const size_t prevalence = count_if( |
cf124e47 | 1140 | owner_list.begin(), owner_list.end(), |
af503b10 | 1141 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
1142 | if (prevalence > max_prevalence) { |
1143 | max_prevalence = prevalence; | |
1144 | prevalent_owner = owner; | |
1145 | } | |
448a72cf JH |
1146 | } |
1147 | ||
cf124e47 | 1148 | return prevalent_owner; |
448a72cf JH |
1149 | } |
1150 | ||
cf124e47 JH |
1151 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
1152 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 1153 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
1154 | &signal_map, |
1155 | set< shared_ptr<Trace> > &add_list) | |
1156 | { | |
1157 | vector< shared_ptr<Trace> > filtered_traces; | |
1158 | ||
2ad82c2e | 1159 | for (const auto &channel : channels) { |
bf0edd2b SA |
1160 | for (auto entry : signal_map) { |
1161 | if (entry.first->channel() == channel) { | |
1162 | shared_ptr<Trace> trace = entry.second; | |
1163 | const auto list_iter = add_list.find(trace); | |
1164 | if (list_iter == add_list.end()) | |
1165 | continue; | |
1166 | ||
1167 | filtered_traces.push_back(trace); | |
1168 | add_list.erase(list_iter); | |
1169 | } | |
1170 | } | |
cf124e47 JH |
1171 | } |
1172 | ||
1173 | return filtered_traces; | |
448a72cf JH |
1174 | } |
1175 | ||
ef454ad5 SA |
1176 | void View::determine_time_unit() |
1177 | { | |
7ee199a7 | 1178 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 1179 | if (time_unit_ == util::TimeUnit::Samples) { |
7ee199a7 | 1180 | // Check all signals but... |
47e9e7bb | 1181 | for (const shared_ptr<Signal> signal : signals_) { |
7ee199a7 SA |
1182 | const shared_ptr<SignalData> data = signal->data(); |
1183 | ||
1184 | // ...only check first segment of each | |
1185 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
1186 | if (!segments.empty()) | |
1187 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 1188 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
1189 | break; |
1190 | } | |
1191 | } | |
ef454ad5 SA |
1192 | } |
1193 | } | |
1194 | ||
cbd80f64 JH |
1195 | bool View::eventFilter(QObject *object, QEvent *event) |
1196 | { | |
1197 | const QEvent::Type type = event->type(); | |
333d5bbc | 1198 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
1199 | |
1200 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
1201 | if (object == viewport_) |
1202 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 1203 | else if (object == ruler_) |
8dbbc7f0 JH |
1204 | hover_point_ = QPoint(mouse_event->x(), 0); |
1205 | else if (object == header_) | |
1206 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 1207 | else |
8dbbc7f0 | 1208 | hover_point_ = QPoint(-1, -1); |
cbd80f64 | 1209 | |
873e8035 | 1210 | update_hover_point(); |
cbd80f64 | 1211 | |
333d5bbc | 1212 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 1213 | hover_point_ = QPoint(-1, -1); |
873e8035 | 1214 | update_hover_point(); |
5f9b7de5 SA |
1215 | } else if (type == QEvent::Show) { |
1216 | ||
1217 | // This is somewhat of a hack, unfortunately. We cannot use | |
1218 | // set_v_offset() from within restore_settings() as the view | |
1219 | // at that point is neither visible nor properly sized. | |
1220 | // This is the least intrusive workaround I could come up | |
1221 | // with: set the vertical offset (or scroll defaults) when | |
1222 | // the view is shown, which happens after all widgets were | |
1223 | // resized to their final sizes. | |
1224 | update_layout(); | |
1225 | ||
60c426a0 SA |
1226 | if (settings_restored_) |
1227 | determine_if_header_was_shrunk(); | |
1228 | else | |
1229 | resize_header_to_fit(); | |
b760e6e0 | 1230 | |
5f9b7de5 SA |
1231 | if (scroll_needs_defaults_) { |
1232 | set_scroll_default(); | |
1233 | scroll_needs_defaults_ = false; | |
1234 | } | |
1235 | ||
1236 | if (saved_v_offset_) { | |
1237 | set_v_offset(saved_v_offset_); | |
1238 | saved_v_offset_ = 0; | |
1239 | } | |
cbd80f64 JH |
1240 | } |
1241 | ||
1242 | return QObject::eventFilter(object, event); | |
1243 | } | |
1244 | ||
8a5fd81f | 1245 | void View::resizeEvent(QResizeEvent* event) |
adb4b10c | 1246 | { |
8a5fd81f SA |
1247 | // Only adjust the top margin if we shrunk vertically |
1248 | if (event->size().height() < event->oldSize().height()) | |
1249 | adjust_top_margin(); | |
1250 | ||
d7c0ca4a | 1251 | update_layout(); |
adb4b10c JH |
1252 | } |
1253 | ||
873e8035 SA |
1254 | void View::update_hover_point() |
1255 | { | |
1256 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( | |
1257 | list_by_type<TraceTreeItem>()); | |
1258 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
1259 | r->hover_point_changed(hover_point_); | |
1260 | ||
1261 | hover_point_changed(hover_point_); | |
1262 | } | |
1263 | ||
6e2c3c85 | 1264 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
1265 | { |
1266 | if (label) | |
8dbbc7f0 | 1267 | header_->update(); |
32218d3e | 1268 | if (content) |
8dbbc7f0 | 1269 | viewport_->update(); |
32218d3e JH |
1270 | } |
1271 | ||
98cfe4e8 JH |
1272 | void View::time_item_appearance_changed(bool label, bool content) |
1273 | { | |
e0be5f21 | 1274 | if (label) { |
819e2e95 | 1275 | ruler_->update(); |
e0be5f21 SA |
1276 | |
1277 | // Make sure the header pane width is updated, too | |
1278 | update_layout(); | |
1279 | } | |
1280 | ||
98cfe4e8 JH |
1281 | if (content) |
1282 | viewport_->update(); | |
1283 | } | |
1284 | ||
32218d3e JH |
1285 | void View::extents_changed(bool horz, bool vert) |
1286 | { | |
8dbbc7f0 | 1287 | sticky_events_ |= |
af503b10 JH |
1288 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
1289 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
5ed05b69 | 1290 | |
8dbbc7f0 | 1291 | lazy_event_handler_.start(); |
32218d3e JH |
1292 | } |
1293 | ||
00c518d6 SA |
1294 | void View::on_signal_name_changed() |
1295 | { | |
9510aea0 | 1296 | if (!header_was_shrunk_) |
60c426a0 | 1297 | resize_header_to_fit(); |
00c518d6 SA |
1298 | } |
1299 | ||
e0be5f21 SA |
1300 | void View::on_splitter_moved() |
1301 | { | |
9510aea0 SA |
1302 | // The header can only shrink when the splitter is moved manually |
1303 | determine_if_header_was_shrunk(); | |
1304 | ||
1305 | if (!header_was_shrunk_) | |
60c426a0 | 1306 | resize_header_to_fit(); |
e0be5f21 SA |
1307 | } |
1308 | ||
b16907d3 | 1309 | void View::h_scroll_value_changed(int value) |
adb4b10c | 1310 | { |
8dbbc7f0 | 1311 | if (updating_scroll_) |
528bd8a1 JH |
1312 | return; |
1313 | ||
c7b03d9d SA |
1314 | // Disable sticky scrolling when user moves the horizontal scroll bar |
1315 | // during a running acquisition | |
1316 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
1317 | sticky_scrolling_ = false; | |
1318 | sticky_scrolling_changed(false); | |
1319 | } | |
1320 | ||
33094993 | 1321 | const int range = scrollarea_->horizontalScrollBar()->maximum(); |
333d5bbc | 1322 | if (range < MaxScrollValue) |
4b0af0b6 | 1323 | set_offset(scale_ * value); |
f25770e2 | 1324 | else { |
60d9b99a JS |
1325 | double length = 0; |
1326 | Timestamp offset; | |
f25770e2 | 1327 | get_scroll_layout(length, offset); |
4b0af0b6 | 1328 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
1329 | } |
1330 | ||
8dbbc7f0 | 1331 | ruler_->update(); |
8dbbc7f0 | 1332 | viewport_->update(); |
adb4b10c JH |
1333 | } |
1334 | ||
f8400017 | 1335 | void View::v_scroll_value_changed() |
adb4b10c | 1336 | { |
8dbbc7f0 JH |
1337 | header_->update(); |
1338 | viewport_->update(); | |
adb4b10c JH |
1339 | } |
1340 | ||
69dd2b03 JH |
1341 | void View::signals_changed() |
1342 | { | |
769a79b5 JH |
1343 | using sigrok::Channel; |
1344 | ||
925763b0 SA |
1345 | vector< shared_ptr<Channel> > channels; |
1346 | shared_ptr<sigrok::Device> sr_dev; | |
60c426a0 | 1347 | bool signals_added_or_removed = false; |
68b21a71 | 1348 | |
925763b0 SA |
1349 | // Do we need to set the vertical scrollbar to its default position later? |
1350 | // We do if there are no traces, i.e. the scroll bar has no range set | |
1351 | bool reset_scrollbar = | |
33094993 SA |
1352 | (scrollarea_->verticalScrollBar()->minimum() == |
1353 | scrollarea_->verticalScrollBar()->maximum()); | |
925763b0 SA |
1354 | |
1355 | if (!session_.device()) { | |
1356 | reset_scroll(); | |
47e9e7bb | 1357 | signals_.clear(); |
925763b0 | 1358 | } else { |
925763b0 | 1359 | sr_dev = session_.device()->device(); |
3b353d67 | 1360 | assert(sr_dev); |
925763b0 SA |
1361 | channels = sr_dev->channels(); |
1362 | } | |
e37e05f7 | 1363 | |
925763b0 | 1364 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 1365 | |
cf124e47 JH |
1366 | // Make a list of traces that are being added, and a list of traces |
1367 | // that are being removed | |
364d2155 JH |
1368 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
1369 | const set<shared_ptr<Trace>> prev_traces( | |
1370 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 1371 | |
47e9e7bb | 1372 | set< shared_ptr<Trace> > traces(signals_.begin(), signals_.end()); |
cf124e47 JH |
1373 | |
1374 | #ifdef ENABLE_DECODE | |
bb7dd726 | 1375 | traces.insert(decode_traces_.begin(), decode_traces_.end()); |
cf124e47 JH |
1376 | #endif |
1377 | ||
1378 | set< shared_ptr<Trace> > add_traces; | |
1379 | set_difference(traces.begin(), traces.end(), | |
1380 | prev_traces.begin(), prev_traces.end(), | |
1381 | inserter(add_traces, add_traces.begin())); | |
1382 | ||
1383 | set< shared_ptr<Trace> > remove_traces; | |
1384 | set_difference(prev_traces.begin(), prev_traces.end(), | |
1385 | traces.begin(), traces.end(), | |
1386 | inserter(remove_traces, remove_traces.begin())); | |
1387 | ||
1388 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 1389 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 1390 | signal_map; |
47e9e7bb | 1391 | for (const shared_ptr<Signal> &sig : signals_) |
73a25a6e | 1392 | signal_map[sig->base()] = sig; |
448a72cf JH |
1393 | |
1394 | // Populate channel groups | |
925763b0 SA |
1395 | if (sr_dev) |
1396 | for (auto entry : sr_dev->channel_groups()) { | |
1397 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
1398 | ||
1399 | if (group->channels().size() <= 1) | |
1400 | continue; | |
1401 | ||
1402 | // Find best trace group to add to | |
1403 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
1404 | group, signal_map); | |
1405 | ||
1406 | // If there is no trace group, create one | |
1407 | shared_ptr<TraceGroup> new_trace_group; | |
1408 | if (!owner) { | |
1409 | new_trace_group.reset(new TraceGroup()); | |
1410 | owner = new_trace_group.get(); | |
1411 | } | |
1412 | ||
1413 | // Extract traces for the trace group, removing them from | |
1414 | // the add list | |
1415 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1416 | extract_new_traces_for_channels(group->channels(), | |
1417 | signal_map, add_traces); | |
1418 | ||
1419 | // Add the traces to the group | |
1420 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1421 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1422 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1423 | assert(trace); | |
1424 | owner->add_child_item(trace); | |
1425 | ||
1426 | const pair<int, int> extents = trace->v_extents(); | |
1427 | if (trace->enabled()) | |
1428 | offset += -extents.first; | |
1429 | trace->force_to_v_offset(offset); | |
1430 | if (trace->enabled()) | |
1431 | offset += extents.second; | |
1432 | } | |
1433 | ||
7d556523 SA |
1434 | if (new_trace_group) { |
1435 | // Assign proper vertical offsets to each channel in the group | |
1436 | new_trace_group->restack_items(); | |
1437 | ||
1438 | // If this is a new group, enqueue it in the new top level | |
1439 | // items list | |
1440 | if (!new_traces_in_group.empty()) | |
1441 | new_top_level_items.push_back(new_trace_group); | |
1442 | } | |
cf124e47 | 1443 | } |
68b21a71 | 1444 | |
769a79b5 JH |
1445 | // Enqueue the remaining logic channels in a group |
1446 | vector< shared_ptr<Channel> > logic_channels; | |
1447 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1448 | [](const shared_ptr<Channel>& c) { | |
1449 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1450 | |
769a79b5 | 1451 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1452 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1453 | ||
1454 | if (non_grouped_logic_signals.size() > 0) { | |
1455 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1456 | make_shared<TraceGroup>()); | |
1457 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1458 | non_grouped_trace_group->add_child_item(trace); | |
1459 | ||
1460 | non_grouped_trace_group->restack_items(); | |
1461 | new_top_level_items.push_back(non_grouped_trace_group); | |
1462 | } | |
769a79b5 | 1463 | |
cf124e47 JH |
1464 | // Enqueue the remaining channels as free ungrouped traces |
1465 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1466 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1467 | new_top_level_items.insert(new_top_level_items.end(), |
1468 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1469 | ||
1470 | // Enqueue any remaining traces i.e. decode traces | |
1471 | new_top_level_items.insert(new_top_level_items.end(), | |
1472 | add_traces.begin(), add_traces.end()); | |
1473 | ||
1474 | // Remove any removed traces | |
1475 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1476 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1477 | assert(owner); |
1478 | owner->remove_child_item(trace); | |
60c426a0 | 1479 | signals_added_or_removed = true; |
cf124e47 | 1480 | } |
448a72cf | 1481 | |
bc72e51f SA |
1482 | // Remove any empty trace groups |
1483 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1484 | if (group->child_items().size() == 0) { |
bc72e51f | 1485 | remove_child_item(group); |
e28c998e SA |
1486 | group.reset(); |
1487 | } | |
bc72e51f | 1488 | |
cf124e47 | 1489 | // Add and position the pending top levels items |
6644424f | 1490 | int offset = v_extents().second; |
cf124e47 | 1491 | for (auto item : new_top_level_items) { |
8c09273b SA |
1492 | add_child_item(item); |
1493 | ||
d6128866 | 1494 | // Position the item after the last item or at the top if there is none |
8c09273b SA |
1495 | const pair<int, int> extents = item->v_extents(); |
1496 | ||
1497 | if (item->enabled()) | |
1498 | offset += -extents.first; | |
d6128866 | 1499 | |
d6128866 | 1500 | item->force_to_v_offset(offset); |
cf124e47 | 1501 | |
cf124e47 | 1502 | if (item->enabled()) |
8c09273b | 1503 | offset += extents.second; |
60c426a0 | 1504 | signals_added_or_removed = true; |
ef8311a4 JH |
1505 | } |
1506 | ||
76750c41 | 1507 | |
60c426a0 SA |
1508 | if (signals_added_or_removed && !header_was_shrunk_) |
1509 | resize_header_to_fit(); | |
76750c41 | 1510 | |
a6c1726e | 1511 | update_layout(); |
cf124e47 JH |
1512 | |
1513 | header_->update(); | |
1514 | viewport_->update(); | |
925763b0 SA |
1515 | |
1516 | if (reset_scrollbar) | |
1517 | set_scroll_default(); | |
69dd2b03 JH |
1518 | } |
1519 | ||
7ee199a7 | 1520 | void View::capture_state_updated(int state) |
adb4b10c | 1521 | { |
28ceff25 SA |
1522 | GlobalSettings settings; |
1523 | ||
92ff2b60 | 1524 | if (state == Session::Running) { |
4b0af0b6 | 1525 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1526 | |
92ff2b60 | 1527 | trigger_markers_.clear(); |
90472a51 | 1528 | |
28ceff25 SA |
1529 | scale_at_acq_start_ = scale_; |
1530 | offset_at_acq_start_ = offset_; | |
1531 | ||
820ce18a SA |
1532 | // Activate "always zoom to fit" if the setting is enabled and we're |
1533 | // the main view of this session (other trace views may be used for | |
1534 | // zooming and we don't want to mess them up) | |
e91fb166 | 1535 | bool state = settings.value(GlobalSettings::Key_View_ZoomToFitDuringAcq).toBool(); |
820ce18a | 1536 | if (is_main_view_ && state) { |
90472a51 SA |
1537 | always_zoom_to_fit_ = true; |
1538 | always_zoom_to_fit_changed(always_zoom_to_fit_); | |
1539 | } | |
9b64f2df SA |
1540 | |
1541 | // Enable sticky scrolling if the setting is enabled | |
1542 | sticky_scrolling_ = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); | |
558ad6ce SA |
1543 | |
1544 | // Reset all traces to segment 0 | |
1545 | current_segment_ = 0; | |
1546 | set_current_segment(current_segment_); | |
92ff2b60 TS |
1547 | } |
1548 | ||
fd03a279 SA |
1549 | if (state == Session::Stopped) { |
1550 | // After acquisition has stopped we need to re-calculate the ticks once | |
1551 | // as it's otherwise done when the user pans or zooms, which is too late | |
1552 | calculate_tick_spacing(); | |
1553 | ||
1554 | // Reset "always zoom to fit", the acquisition has stopped | |
1555 | if (always_zoom_to_fit_) { | |
3906e758 SA |
1556 | // Perform a final zoom-to-fit before disabling |
1557 | zoom_fit(always_zoom_to_fit_); | |
fd03a279 | 1558 | always_zoom_to_fit_ = false; |
90472a51 | 1559 | always_zoom_to_fit_changed(always_zoom_to_fit_); |
fd03a279 | 1560 | } |
28ceff25 SA |
1561 | |
1562 | bool zoom_to_fit_after_acq = | |
1563 | settings.value(GlobalSettings::Key_View_ZoomToFitAfterAcq).toBool(); | |
1564 | ||
1565 | // Only perform zoom-to-fit if the user hasn't altered the viewport and | |
1566 | // we didn't restore settings in the meanwhile | |
1567 | if (zoom_to_fit_after_acq && | |
1568 | !suppress_zoom_to_fit_after_acq_ && | |
1569 | (scale_ == scale_at_acq_start_) && | |
1570 | (offset_ == offset_at_acq_start_)) | |
1571 | zoom_fit(false); // We're stopped, so the GUI state doesn't matter | |
1572 | ||
1573 | suppress_zoom_to_fit_after_acq_ = false; | |
fd03a279 | 1574 | } |
7ee199a7 SA |
1575 | } |
1576 | ||
4e86ec70 SA |
1577 | void View::on_new_segment(int new_segment_id) |
1578 | { | |
1579 | on_segment_changed(new_segment_id); | |
1580 | } | |
1581 | ||
558ad6ce SA |
1582 | void View::on_segment_completed(int segment_id) |
1583 | { | |
1584 | on_segment_changed(segment_id); | |
558ad6ce SA |
1585 | } |
1586 | ||
526c8c00 SA |
1587 | void View::on_segment_changed(int segment) |
1588 | { | |
7daebd05 SA |
1589 | switch (segment_display_mode_) { |
1590 | case Trace::ShowLastSegmentOnly: | |
1591 | case Trace::ShowSingleSegmentOnly: | |
558ad6ce SA |
1592 | set_current_segment(segment); |
1593 | break; | |
1594 | ||
1595 | case Trace::ShowLastCompleteSegmentOnly: | |
89914a86 SA |
1596 | // Only update if all segments are complete |
1597 | if (session_.all_segments_complete(segment)) | |
1598 | set_current_segment(segment); | |
7daebd05 | 1599 | break; |
526c8c00 | 1600 | |
7daebd05 SA |
1601 | case Trace::ShowAllSegments: |
1602 | case Trace::ShowAccumulatedIntensity: | |
1603 | default: | |
1604 | break; | |
1605 | } | |
526c8c00 SA |
1606 | } |
1607 | ||
451dc5f3 SA |
1608 | void View::on_settingViewTriggerIsZeroTime_changed(const QVariant new_value) |
1609 | { | |
1610 | if (new_value.toBool()) { | |
1611 | // The first trigger for this segment is used as the zero position | |
1612 | vector<util::Timestamp> triggers = session_.get_triggers(current_segment_); | |
1613 | if (triggers.size() > 0) | |
1614 | set_zero_position(triggers.front()); | |
1615 | } else | |
1616 | reset_zero_position(); | |
1617 | } | |
1618 | ||
c7b03d9d SA |
1619 | void View::perform_delayed_view_update() |
1620 | { | |
3906e758 | 1621 | if (always_zoom_to_fit_) { |
ce11b2ea | 1622 | zoom_fit(true); |
3906e758 | 1623 | } else if (sticky_scrolling_) { |
c7b03d9d | 1624 | // Make right side of the view sticky |
60d9b99a JS |
1625 | double length = 0; |
1626 | Timestamp offset; | |
c7b03d9d SA |
1627 | get_scroll_layout(length, offset); |
1628 | ||
1629 | const QSize areaSize = viewport_->size(); | |
1630 | length = max(length - areaSize.width(), 0.0); | |
1631 | ||
4b0af0b6 | 1632 | set_offset(scale_ * length); |
c7b03d9d | 1633 | } |
adb4b10c | 1634 | |
ef454ad5 | 1635 | determine_time_unit(); |
c7b03d9d SA |
1636 | update_scroll(); |
1637 | ruler_->update(); | |
8dbbc7f0 | 1638 | viewport_->update(); |
adb4b10c | 1639 | } |
cdf7bea7 | 1640 | |
32218d3e | 1641 | void View::process_sticky_events() |
d7c0ca4a | 1642 | { |
af503b10 | 1643 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1644 | update_layout(); |
af503b10 JH |
1645 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1646 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1647 | update_scroll(); |
1648 | } | |
32218d3e JH |
1649 | |
1650 | // Clear the sticky events | |
8dbbc7f0 | 1651 | sticky_events_ = 0; |
d7c0ca4a JH |
1652 | } |
1653 | ||
1573bf16 | 1654 | } // namespace trace |
f4e57597 | 1655 | } // namespace views |
cdf7bea7 | 1656 | } // namespace pv |