]>
Commit | Line | Data |
---|---|---|
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 | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
269528f5 | 21 | #ifdef ENABLE_DECODE |
4e5a4405 | 22 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 23 | #endif |
4e5a4405 | 24 | |
361c560e JH |
25 | #include <extdef.h> |
26 | ||
cf124e47 | 27 | #include <algorithm> |
c3a740dd JH |
28 | #include <cassert> |
29 | #include <climits> | |
30 | #include <cmath> | |
cf124e47 | 31 | #include <iterator> |
c3a740dd | 32 | #include <mutex> |
7ff0145f | 33 | #include <unordered_set> |
adb4b10c | 34 | |
e71eb81c JH |
35 | #include <boost/thread/locks.hpp> |
36 | ||
361c560e | 37 | #include <QApplication> |
adb4b10c | 38 | #include <QEvent> |
361c560e | 39 | #include <QFontMetrics> |
cbd80f64 | 40 | #include <QMouseEvent> |
adb4b10c JH |
41 | #include <QScrollBar> |
42 | ||
fe3a1c21 | 43 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 44 | |
574c568d | 45 | #include "analogsignal.hpp" |
2acdb232 JH |
46 | #include "header.hpp" |
47 | #include "logicsignal.hpp" | |
48 | #include "ruler.hpp" | |
49 | #include "signal.hpp" | |
50 | #include "tracegroup.hpp" | |
1a2288a1 | 51 | #include "triggermarker.hpp" |
2acdb232 JH |
52 | #include "view.hpp" |
53 | #include "viewport.hpp" | |
adb4b10c | 54 | |
f65cd27b | 55 | #include "pv/session.hpp" |
da30ecb7 | 56 | #include "pv/devices/device.hpp" |
2acdb232 | 57 | #include "pv/data/logic.hpp" |
f3d66e52 | 58 | #include "pv/data/logicsegment.hpp" |
361c560e | 59 | #include "pv/util.hpp" |
adb4b10c | 60 | |
dcfe0a01 SA |
61 | #ifdef ENABLE_DECODE |
62 | #include "decodetrace.hpp" | |
63 | #endif | |
64 | ||
aca64cac JH |
65 | using boost::shared_lock; |
66 | using boost::shared_mutex; | |
361c560e | 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; | |
819f4c25 | 75 | using std::deque; |
448a72cf | 76 | using std::dynamic_pointer_cast; |
cf124e47 | 77 | using std::inserter; |
819f4c25 | 78 | using std::list; |
c3a740dd | 79 | using std::lock_guard; |
819f4c25 | 80 | using std::max; |
1bc6525b | 81 | using std::make_pair; |
769a79b5 | 82 | using std::make_shared; |
819f4c25 | 83 | using std::min; |
1bc6525b | 84 | using std::pair; |
819f4c25 | 85 | using std::set; |
cf124e47 | 86 | using std::set_difference; |
f9abf97e | 87 | using std::shared_ptr; |
448a72cf | 88 | using std::unordered_map; |
7ff0145f | 89 | using std::unordered_set; |
819f4c25 | 90 | using std::vector; |
f9abf97e | 91 | using std::weak_ptr; |
adb4b10c | 92 | |
cdf7bea7 JH |
93 | namespace pv { |
94 | namespace view { | |
adb4b10c | 95 | |
60d9b99a JS |
96 | const Timestamp View::MaxScale("1e9"); |
97 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 98 | |
f25770e2 | 99 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 100 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 101 | |
361c560e JH |
102 | const int View::ScaleUnits[3] = {1, 2, 5}; |
103 | ||
2b81ae46 | 104 | View::View(Session &session, QWidget *parent) : |
adb4b10c | 105 | QAbstractScrollArea(parent), |
8dbbc7f0 JH |
106 | session_(session), |
107 | viewport_(new Viewport(*this)), | |
108 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 109 | header_(new Header(*this)), |
c0100b55 | 110 | scale_(1e-3), |
8dbbc7f0 | 111 | offset_(0), |
8dbbc7f0 | 112 | updating_scroll_(false), |
c7b03d9d | 113 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 114 | always_zoom_to_fit_(false), |
c677193d | 115 | tick_period_(0), |
d001f416 | 116 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 117 | tick_precision_(0), |
d001f416 | 118 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 119 | show_cursors_(false), |
5c5ce757 | 120 | cursors_(new CursorPair(*this)), |
8914fe79 | 121 | next_flag_text_('A'), |
92ff2b60 | 122 | trigger_markers_(), |
8dbbc7f0 | 123 | hover_point_(-1, -1) |
adb4b10c | 124 | { |
b16907d3 JH |
125 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), |
126 | this, SLOT(h_scroll_value_changed(int))); | |
adb4b10c | 127 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 128 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 129 | |
8dbbc7f0 | 130 | connect(&session_, SIGNAL(signals_changed()), |
69dd2b03 | 131 | this, SLOT(signals_changed())); |
8dbbc7f0 | 132 | connect(&session_, SIGNAL(capture_state_changed(int)), |
7ee199a7 | 133 | this, SLOT(capture_state_updated(int))); |
8dbbc7f0 | 134 | connect(&session_, SIGNAL(data_received()), |
1f374035 | 135 | this, SLOT(data_updated())); |
8dbbc7f0 | 136 | connect(&session_, SIGNAL(frame_ended()), |
adb4b10c | 137 | this, SLOT(data_updated())); |
1d8dca91 | 138 | |
8dbbc7f0 | 139 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
140 | ruler_, SLOT(clear_selection())); |
141 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 142 | header_, SLOT(clear_selection())); |
17348f85 | 143 | |
8dbbc7f0 | 144 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 145 | this, SIGNAL(selection_changed())); |
819e2e95 | 146 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
147 | this, SIGNAL(selection_changed())); |
148 | ||
33c62f44 JH |
149 | connect(this, SIGNAL(hover_point_changed()), |
150 | this, SLOT(on_hover_point_changed())); | |
151 | ||
8dbbc7f0 | 152 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 153 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 154 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 155 | |
c7b03d9d SA |
156 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
157 | this, SLOT(perform_delayed_view_update())); | |
158 | delayed_view_updater_.setSingleShot(true); | |
159 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
160 | ||
8dbbc7f0 | 161 | setViewport(viewport_); |
cbd80f64 | 162 | |
8dbbc7f0 JH |
163 | viewport_->installEventFilter(this); |
164 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 165 | header_->installEventFilter(this); |
d873f4d6 | 166 | |
9f46d905 JH |
167 | // Trigger the initial event manually. The default device has signals |
168 | // which were created before this object came into being | |
d873f4d6 | 169 | signals_changed(); |
84a0d458 | 170 | |
512bfc56 | 171 | // make sure the transparent widgets are on the top |
819e2e95 | 172 | ruler_->raise(); |
8dbbc7f0 | 173 | header_->raise(); |
361c560e JH |
174 | |
175 | // Update the zoom state | |
176 | calculate_tick_spacing(); | |
adb4b10c JH |
177 | } |
178 | ||
2b81ae46 | 179 | Session& View::session() |
1d19ef83 | 180 | { |
8dbbc7f0 | 181 | return session_; |
1d19ef83 JH |
182 | } |
183 | ||
2b81ae46 | 184 | const Session& View::session() const |
38eeddea | 185 | { |
8dbbc7f0 | 186 | return session_; |
38eeddea JH |
187 | } |
188 | ||
eae6e30a JH |
189 | View* View::view() |
190 | { | |
191 | return this; | |
192 | } | |
193 | ||
194 | const View* View::view() const | |
195 | { | |
196 | return this; | |
197 | } | |
198 | ||
2ae445ba SA |
199 | Viewport* View::viewport() |
200 | { | |
8dbbc7f0 | 201 | return viewport_; |
2ae445ba SA |
202 | } |
203 | ||
204 | const Viewport* View::viewport() const | |
205 | { | |
8dbbc7f0 | 206 | return viewport_; |
2ae445ba SA |
207 | } |
208 | ||
2496bf45 JH |
209 | vector< shared_ptr<TimeItem> > View::time_items() const |
210 | { | |
8914fe79 JH |
211 | const vector<shared_ptr<Flag>> f(flags()); |
212 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 213 | items.push_back(cursors_); |
5c5ce757 JH |
214 | items.push_back(cursors_->first()); |
215 | items.push_back(cursors_->second()); | |
1a2288a1 | 216 | |
92ff2b60 TS |
217 | for (auto trigger_marker : trigger_markers_) |
218 | items.push_back(trigger_marker); | |
1a2288a1 | 219 | |
2496bf45 JH |
220 | return items; |
221 | } | |
222 | ||
cdf7bea7 | 223 | double View::scale() const |
adb4b10c | 224 | { |
8dbbc7f0 | 225 | return scale_; |
adb4b10c JH |
226 | } |
227 | ||
4b0af0b6 JS |
228 | void View::set_scale(double scale) |
229 | { | |
230 | if (scale_ != scale) { | |
231 | scale_ = scale; | |
232 | Q_EMIT scale_changed(); | |
233 | } | |
234 | } | |
235 | ||
60d9b99a | 236 | const Timestamp& View::offset() const |
adb4b10c | 237 | { |
8dbbc7f0 | 238 | return offset_; |
adb4b10c JH |
239 | } |
240 | ||
4b0af0b6 JS |
241 | void View::set_offset(const pv::util::Timestamp& offset) |
242 | { | |
243 | if (offset_ != offset) { | |
244 | offset_ = offset; | |
245 | Q_EMIT offset_changed(); | |
246 | } | |
247 | } | |
248 | ||
7ff0145f | 249 | int View::owner_visual_v_offset() const |
adb4b10c | 250 | { |
f8400017 | 251 | return -verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
252 | } |
253 | ||
4d476647 JH |
254 | void View::set_v_offset(int offset) |
255 | { | |
256 | verticalScrollBar()->setSliderPosition(offset); | |
257 | header_->update(); | |
258 | viewport_->update(); | |
259 | } | |
260 | ||
3e769a37 JH |
261 | unsigned int View::depth() const |
262 | { | |
263 | return 0; | |
264 | } | |
265 | ||
d001f416 | 266 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
267 | { |
268 | return tick_prefix_; | |
269 | } | |
270 | ||
4b0af0b6 JS |
271 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
272 | { | |
273 | if (tick_prefix_ != tick_prefix) { | |
274 | tick_prefix_ = tick_prefix; | |
275 | Q_EMIT tick_prefix_changed(); | |
276 | } | |
277 | } | |
278 | ||
d40f4db7 SA |
279 | unsigned int View::tick_precision() const |
280 | { | |
281 | return tick_precision_; | |
282 | } | |
283 | ||
4b0af0b6 JS |
284 | void View::set_tick_precision(unsigned tick_precision) |
285 | { | |
286 | if (tick_precision_ != tick_precision) { | |
287 | tick_precision_ = tick_precision; | |
288 | Q_EMIT tick_precision_changed(); | |
289 | } | |
290 | } | |
291 | ||
c677193d | 292 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
293 | { |
294 | return tick_period_; | |
295 | } | |
296 | ||
c677193d | 297 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
298 | { |
299 | if (tick_period_ != tick_period) { | |
300 | tick_period_ = tick_period; | |
301 | Q_EMIT tick_period_changed(); | |
302 | } | |
303 | } | |
304 | ||
ef454ad5 SA |
305 | TimeUnit View::time_unit() const |
306 | { | |
307 | return time_unit_; | |
308 | } | |
309 | ||
4b0af0b6 JS |
310 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
311 | { | |
312 | if (time_unit_ != time_unit) { | |
313 | time_unit_ = time_unit; | |
314 | Q_EMIT time_unit_changed(); | |
315 | } | |
316 | } | |
317 | ||
cdf7bea7 | 318 | void View::zoom(double steps) |
adb4b10c | 319 | { |
8dbbc7f0 | 320 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
321 | } |
322 | ||
17c0f398 JH |
323 | void View::zoom(double steps, int offset) |
324 | { | |
8dbbc7f0 | 325 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
326 | } |
327 | ||
ce11b2ea | 328 | void View::zoom_fit(bool gui_state) |
ca46b534 | 329 | { |
ce11b2ea SA |
330 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
331 | if (session_.get_capture_state() == Session::Stopped) { | |
332 | always_zoom_to_fit_ = false; | |
333 | always_zoom_to_fit_changed(false); | |
334 | } else { | |
335 | always_zoom_to_fit_ = gui_state; | |
336 | always_zoom_to_fit_changed(gui_state); | |
337 | } | |
338 | ||
60d9b99a JS |
339 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
340 | const Timestamp delta = extents.second - extents.first; | |
341 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
342 | return; |
343 | ||
8dbbc7f0 JH |
344 | assert(viewport_); |
345 | const int w = viewport_->width(); | |
ca46b534 JH |
346 | if (w <= 0) |
347 | return; | |
348 | ||
60d9b99a JS |
349 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
350 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
351 | } |
352 | ||
d1e7d82c JH |
353 | void View::zoom_one_to_one() |
354 | { | |
355 | using pv::data::SignalData; | |
356 | ||
d1e7d82c | 357 | // Make a set of all the visible data objects |
0fc664a9 | 358 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
359 | if (visible_data.empty()) |
360 | return; | |
361 | ||
8dbbc7f0 JH |
362 | assert(viewport_); |
363 | const int w = viewport_->width(); | |
d1e7d82c JH |
364 | if (w <= 0) |
365 | return; | |
366 | ||
2220e942 | 367 | set_zoom(1.0 / session_.get_samplerate(), w / 2); |
d1e7d82c JH |
368 | } |
369 | ||
60d9b99a | 370 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 371 | { |
ce11b2ea SA |
372 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
373 | // and user drags the viewport | |
c7b03d9d | 374 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
375 | (session_.get_capture_state() == Session::Running)) { |
376 | ||
377 | if (sticky_scrolling_) { | |
378 | sticky_scrolling_ = false; | |
379 | sticky_scrolling_changed(false); | |
380 | } | |
381 | ||
382 | if (always_zoom_to_fit_) { | |
383 | always_zoom_to_fit_ = false; | |
384 | always_zoom_to_fit_changed(false); | |
385 | } | |
c7b03d9d SA |
386 | } |
387 | ||
4b0af0b6 JS |
388 | set_scale(scale); |
389 | set_offset(offset); | |
ccdd3ef5 | 390 | |
361c560e JH |
391 | calculate_tick_spacing(); |
392 | ||
adb4b10c | 393 | update_scroll(); |
8dbbc7f0 | 394 | ruler_->update(); |
8dbbc7f0 | 395 | viewport_->update(); |
adb4b10c JH |
396 | } |
397 | ||
1bc6525b JH |
398 | set< shared_ptr<SignalData> > View::get_visible_data() const |
399 | { | |
bf914698 | 400 | const unordered_set< shared_ptr<Signal> > sigs(session().signals()); |
1bc6525b JH |
401 | |
402 | // Make a set of all the visible data objects | |
403 | set< shared_ptr<SignalData> > visible_data; | |
d9aecf1f | 404 | for (const shared_ptr<Signal> sig : sigs) |
1bc6525b JH |
405 | if (sig->enabled()) |
406 | visible_data.insert(sig->data()); | |
407 | ||
408 | return visible_data; | |
409 | } | |
410 | ||
60d9b99a | 411 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 412 | { |
60d9b99a | 413 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 414 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
2ad82c2e | 415 | for (const shared_ptr<SignalData> d : visible_data) { |
f3d66e52 JH |
416 | const vector< shared_ptr<Segment> > segments = |
417 | d->segments(); | |
418 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
419 | double samplerate = s->samplerate(); |
420 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
421 | ||
60d9b99a JS |
422 | const Timestamp start_time = s->start_time(); |
423 | left_time = left_time ? | |
424 | min(*left_time, start_time) : | |
425 | start_time; | |
426 | right_time = right_time ? | |
427 | max(*right_time, start_time + d->max_sample_count() / samplerate) : | |
428 | start_time + d->max_sample_count() / samplerate; | |
7f4038d6 | 429 | } |
1bc6525b JH |
430 | } |
431 | ||
60d9b99a JS |
432 | if (!left_time || !right_time) |
433 | return make_pair(0, 0); | |
7f4038d6 | 434 | |
60d9b99a JS |
435 | assert(*left_time < *right_time); |
436 | return make_pair(*left_time, *right_time); | |
1bc6525b JH |
437 | } |
438 | ||
c7b03d9d SA |
439 | void View::enable_sticky_scrolling(bool state) |
440 | { | |
441 | sticky_scrolling_ = state; | |
442 | } | |
443 | ||
574c568d SA |
444 | void View::enable_coloured_bg(bool state) |
445 | { | |
446 | const vector<shared_ptr<TraceTreeItem>> items( | |
447 | list_by_type<TraceTreeItem>()); | |
448 | ||
449 | for (shared_ptr<TraceTreeItem> i : items) { | |
450 | // Can't cast to Trace because it's abstract, so we need to | |
451 | // check for any derived classes individually | |
452 | ||
453 | shared_ptr<AnalogSignal> a = dynamic_pointer_cast<AnalogSignal>(i); | |
454 | if (a) | |
455 | a->set_coloured_bg(state); | |
456 | ||
457 | shared_ptr<LogicSignal> l = dynamic_pointer_cast<LogicSignal>(i); | |
458 | if (l) | |
459 | l->set_coloured_bg(state); | |
460 | ||
dcfe0a01 | 461 | #ifdef ENABLE_DECODE |
574c568d SA |
462 | shared_ptr<DecodeTrace> d = dynamic_pointer_cast<DecodeTrace>(i); |
463 | if (d) | |
464 | d->set_coloured_bg(state); | |
dcfe0a01 | 465 | #endif |
574c568d SA |
466 | } |
467 | ||
468 | viewport_->update(); | |
469 | } | |
470 | ||
f76af637 JH |
471 | bool View::cursors_shown() const |
472 | { | |
8dbbc7f0 | 473 | return show_cursors_; |
f76af637 JH |
474 | } |
475 | ||
476 | void View::show_cursors(bool show) | |
477 | { | |
8dbbc7f0 | 478 | show_cursors_ = show; |
819e2e95 | 479 | ruler_->update(); |
8dbbc7f0 | 480 | viewport_->update(); |
f76af637 JH |
481 | } |
482 | ||
b4d91e56 JH |
483 | void View::centre_cursors() |
484 | { | |
8dbbc7f0 | 485 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
486 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
487 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 488 | ruler_->update(); |
8dbbc7f0 | 489 | viewport_->update(); |
b4d91e56 JH |
490 | } |
491 | ||
5c5ce757 | 492 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 493 | { |
8dbbc7f0 | 494 | return cursors_; |
58864c5c JH |
495 | } |
496 | ||
60d9b99a | 497 | void View::add_flag(const Timestamp& time) |
8914fe79 JH |
498 | { |
499 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
500 | QString("%1").arg(next_flag_text_)))); | |
48257a69 | 501 | |
8914fe79 JH |
502 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : |
503 | (next_flag_text_ + 1); | |
48257a69 | 504 | |
8914fe79 JH |
505 | time_item_appearance_changed(true, true); |
506 | } | |
507 | ||
508 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
509 | { | |
510 | flags_.remove(flag); | |
511 | time_item_appearance_changed(true, true); | |
512 | } | |
513 | ||
514 | vector< std::shared_ptr<Flag> > View::flags() const | |
515 | { | |
516 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
517 | stable_sort(flags.begin(), flags.end(), | |
518 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
519 | return a->time() < b->time(); | |
520 | }); | |
521 | ||
522 | return flags; | |
523 | } | |
524 | ||
cbd80f64 JH |
525 | const QPoint& View::hover_point() const |
526 | { | |
8dbbc7f0 | 527 | return hover_point_; |
cbd80f64 JH |
528 | } |
529 | ||
af503b10 | 530 | void View::restack_all_trace_tree_items() |
7ff0145f | 531 | { |
873cbed0 | 532 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
533 | const vector<shared_ptr<TraceTreeItem>> items( |
534 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 535 | set< TraceTreeItemOwner* > owners; |
cc88566c | 536 | for (const auto &r : items) |
4800cf9a | 537 | owners.insert(r->owner()); |
af503b10 | 538 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 539 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 540 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
541 | return a->depth() > b->depth(); }); |
542 | ||
543 | // Restack the items recursively | |
544 | for (auto &o : sorted_owners) | |
545 | o->restack_items(); | |
546 | ||
ac0708fb SA |
547 | // Re-assign background colors |
548 | bool next_bgcolour_state = 0; | |
549 | ||
550 | for (auto &o : sorted_owners) | |
551 | next_bgcolour_state = o->reassign_bgcolour_states(next_bgcolour_state); | |
552 | ||
7ff0145f | 553 | // Animate the items to their destination |
cef5997e JH |
554 | for (const auto &i : items) |
555 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
556 | } |
557 | ||
48257a69 SA |
558 | void View::trigger_event(util::Timestamp location) |
559 | { | |
92ff2b60 TS |
560 | trigger_markers_.push_back(shared_ptr<TriggerMarker>( |
561 | new TriggerMarker(*this, location))); | |
48257a69 SA |
562 | } |
563 | ||
60d9b99a | 564 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 565 | { |
60d9b99a JS |
566 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
567 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 568 | offset = offset_ / scale_; |
f25770e2 JH |
569 | } |
570 | ||
d1e7d82c JH |
571 | void View::set_zoom(double scale, int offset) |
572 | { | |
ce11b2ea SA |
573 | // Reset the "always zoom to fit" feature as the user changed the zoom |
574 | always_zoom_to_fit_ = false; | |
575 | always_zoom_to_fit_changed(false); | |
576 | ||
60d9b99a JS |
577 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
578 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
579 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
580 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
581 | } |
582 | ||
361c560e JH |
583 | void View::calculate_tick_spacing() |
584 | { | |
8a1bc087 | 585 | const double SpacingIncrement = 10.0f; |
8a463dbc | 586 | const double MinValueSpacing = 40.0f; |
361c560e | 587 | |
1e124d4b SA |
588 | // Figure out the highest numeric value visible on a label |
589 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 590 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
591 | fabs(offset_ + scale_ * areaSize.width())); |
592 | ||
d40f4db7 SA |
593 | double min_width = SpacingIncrement; |
594 | double label_width, tick_period_width; | |
361c560e JH |
595 | |
596 | QFontMetrics m(QApplication::font()); | |
597 | ||
adb3831e JS |
598 | // Copies of the member variables with the same name, used in the calculation |
599 | // and written back afterwards, so that we don't emit signals all the time | |
600 | // during the calculation. | |
601 | pv::util::Timestamp tick_period = tick_period_; | |
602 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
603 | unsigned tick_precision = tick_precision_; | |
604 | ||
361c560e JH |
605 | do { |
606 | const double min_period = scale_ * min_width; | |
607 | ||
608 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
609 | const pv::util::Timestamp order_decimal = |
610 | pow(pv::util::Timestamp(10), order); | |
361c560e | 611 | |
8a1bc087 SA |
612 | // Allow for a margin of error so that a scale unit of 1 can be used. |
613 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
614 | // the min_period by a small amount - and thus skipped in favor of 2. | |
615 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
616 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
617 | double tp_with_margin; | |
361c560e JH |
618 | unsigned int unit = 0; |
619 | ||
620 | do { | |
c677193d JS |
621 | tp_with_margin = order_decimal.convert_to<double>() * |
622 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 623 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 624 | |
adb3831e JS |
625 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
626 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
627 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 628 | |
d40f4db7 SA |
629 | // Precision is the number of fractional digits required, not |
630 | // taking the prefix into account (and it must never be negative) | |
adb3831e | 631 | tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 632 | |
adb3831e | 633 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 634 | |
3ccf0f7f JS |
635 | const QString label_text = Ruler::format_time_with_distance( |
636 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
637 | |
638 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
639 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
640 | MinValueSpacing; |
641 | ||
642 | min_width += SpacingIncrement; | |
d40f4db7 | 643 | } while (tick_period_width < label_width); |
adb3831e JS |
644 | |
645 | set_tick_period(tick_period); | |
646 | set_tick_prefix(tick_prefix); | |
647 | set_tick_precision(tick_precision); | |
361c560e JH |
648 | } |
649 | ||
cdf7bea7 | 650 | void View::update_scroll() |
adb4b10c | 651 | { |
8dbbc7f0 | 652 | assert(viewport_); |
adb4b10c | 653 | |
8dbbc7f0 | 654 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
655 | |
656 | // Set the horizontal scroll bar | |
60d9b99a JS |
657 | double length = 0; |
658 | Timestamp offset; | |
f25770e2 JH |
659 | get_scroll_layout(length, offset); |
660 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 661 | |
c677193d | 662 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 663 | |
b4ef7f2a | 664 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); |
d7aae647 | 665 | horizontalScrollBar()->setSingleStep(major_tick_distance); |
f25770e2 | 666 | |
8dbbc7f0 | 667 | updating_scroll_ = true; |
528bd8a1 | 668 | |
333d5bbc | 669 | if (length < MaxScrollValue) { |
f25770e2 | 670 | horizontalScrollBar()->setRange(0, length); |
60d9b99a | 671 | horizontalScrollBar()->setSliderPosition(offset.convert_to<double>()); |
f25770e2 JH |
672 | } else { |
673 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
674 | horizontalScrollBar()->setSliderPosition( | |
60d9b99a | 675 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 676 | } |
adb4b10c | 677 | |
8dbbc7f0 | 678 | updating_scroll_ = false; |
528bd8a1 | 679 | |
adb4b10c JH |
680 | // Set the vertical scrollbar |
681 | verticalScrollBar()->setPageStep(areaSize.height()); | |
65c34596 | 682 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); |
a5d93c27 JH |
683 | |
684 | const pair<int, int> extents = v_extents(); | |
925763b0 SA |
685 | |
686 | // Don't change the scrollbar range if there are no traces | |
687 | if (extents.first != extents.second) | |
688 | verticalScrollBar()->setRange(extents.first - areaSize.height(), | |
689 | extents.second); | |
690 | ||
691 | if (scroll_needs_defaults) | |
692 | set_scroll_default(); | |
693 | } | |
694 | ||
695 | void View::reset_scroll() | |
696 | { | |
697 | verticalScrollBar()->setRange(0, 0); | |
698 | } | |
699 | ||
700 | void View::set_scroll_default() | |
701 | { | |
702 | assert(viewport_); | |
703 | ||
704 | const QSize areaSize = viewport_->size(); | |
705 | ||
706 | // Special case: when starting up and the window isn't visible yet, | |
707 | // areaSize is [0, 0]. In this case we want to be called again later | |
708 | if (areaSize.height() == 0) { | |
709 | scroll_needs_defaults = true; | |
710 | return; | |
711 | } else { | |
712 | scroll_needs_defaults = false; | |
713 | } | |
714 | ||
715 | const pair<int, int> extents = v_extents(); | |
716 | const int trace_height = extents.second - extents.first; | |
717 | ||
718 | // Do all traces fit in the view? | |
719 | if (areaSize.height() >= trace_height) | |
720 | // Center all traces vertically | |
721 | set_v_offset(extents.first - | |
722 | ((areaSize.height() - trace_height) / 2)); | |
723 | else | |
724 | // Put the first trace at the top, letting the bottom ones overflow | |
725 | set_v_offset(extents.first); | |
adb4b10c JH |
726 | } |
727 | ||
d7c0ca4a JH |
728 | void View::update_layout() |
729 | { | |
512bfc56 | 730 | setViewportMargins( |
8dbbc7f0 JH |
731 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, |
732 | ruler_->sizeHint().height(), 0, 0); | |
733 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 734 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 735 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 736 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
737 | update_scroll(); |
738 | } | |
739 | ||
af503b10 | 740 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 | 741 | const shared_ptr<sigrok::ChannelGroup> &group, |
bf0edd2b | 742 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 743 | &signal_map) |
448a72cf | 744 | { |
cf124e47 | 745 | assert(group); |
448a72cf | 746 | |
af503b10 JH |
747 | unordered_set<TraceTreeItemOwner*> owners; |
748 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 749 | |
cf124e47 JH |
750 | // Make a set and a list of all the owners |
751 | for (const auto &channel : group->channels()) { | |
bf0edd2b SA |
752 | for (auto entry : signal_map) { |
753 | if (entry.first->channel() == channel) { | |
754 | TraceTreeItemOwner *const o = (entry.second)->owner(); | |
755 | owner_list.push_back(o); | |
756 | owners.insert(o); | |
757 | } | |
758 | } | |
cf124e47 | 759 | } |
448a72cf | 760 | |
cf124e47 JH |
761 | // Iterate through the list of owners, and find the most prevalent |
762 | size_t max_prevalence = 0; | |
af503b10 JH |
763 | TraceTreeItemOwner *prevalent_owner = nullptr; |
764 | for (TraceTreeItemOwner *owner : owners) { | |
cf124e47 JH |
765 | const size_t prevalence = std::count_if( |
766 | owner_list.begin(), owner_list.end(), | |
af503b10 | 767 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
768 | if (prevalence > max_prevalence) { |
769 | max_prevalence = prevalence; | |
770 | prevalent_owner = owner; | |
771 | } | |
448a72cf JH |
772 | } |
773 | ||
cf124e47 | 774 | return prevalent_owner; |
448a72cf JH |
775 | } |
776 | ||
cf124e47 JH |
777 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
778 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
bf0edd2b | 779 | const unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 JH |
780 | &signal_map, |
781 | set< shared_ptr<Trace> > &add_list) | |
782 | { | |
783 | vector< shared_ptr<Trace> > filtered_traces; | |
784 | ||
2ad82c2e | 785 | for (const auto &channel : channels) { |
bf0edd2b SA |
786 | for (auto entry : signal_map) { |
787 | if (entry.first->channel() == channel) { | |
788 | shared_ptr<Trace> trace = entry.second; | |
789 | const auto list_iter = add_list.find(trace); | |
790 | if (list_iter == add_list.end()) | |
791 | continue; | |
792 | ||
793 | filtered_traces.push_back(trace); | |
794 | add_list.erase(list_iter); | |
795 | } | |
796 | } | |
cf124e47 JH |
797 | } |
798 | ||
799 | return filtered_traces; | |
448a72cf JH |
800 | } |
801 | ||
ef454ad5 SA |
802 | void View::determine_time_unit() |
803 | { | |
7ee199a7 | 804 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 805 | if (time_unit_ == util::TimeUnit::Samples) { |
bf914698 | 806 | const unordered_set< shared_ptr<Signal> > sigs(session().signals()); |
7ee199a7 SA |
807 | |
808 | // Check all signals but... | |
809 | for (const shared_ptr<Signal> signal : sigs) { | |
810 | const shared_ptr<SignalData> data = signal->data(); | |
811 | ||
812 | // ...only check first segment of each | |
813 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
814 | if (!segments.empty()) | |
815 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 816 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
817 | break; |
818 | } | |
819 | } | |
ef454ad5 SA |
820 | } |
821 | } | |
822 | ||
cbd80f64 JH |
823 | bool View::eventFilter(QObject *object, QEvent *event) |
824 | { | |
825 | const QEvent::Type type = event->type(); | |
333d5bbc | 826 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
827 | |
828 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
829 | if (object == viewport_) |
830 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 831 | else if (object == ruler_) |
8dbbc7f0 JH |
832 | hover_point_ = QPoint(mouse_event->x(), 0); |
833 | else if (object == header_) | |
834 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 835 | else |
8dbbc7f0 | 836 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
837 | |
838 | hover_point_changed(); | |
839 | ||
333d5bbc | 840 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 841 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
842 | hover_point_changed(); |
843 | } | |
844 | ||
845 | return QObject::eventFilter(object, event); | |
846 | } | |
847 | ||
d9ea9628 | 848 | bool View::viewportEvent(QEvent *event) |
adb4b10c | 849 | { |
d9ea9628 | 850 | switch (event->type()) { |
adb4b10c JH |
851 | case QEvent::Paint: |
852 | case QEvent::MouseButtonPress: | |
853 | case QEvent::MouseButtonRelease: | |
854 | case QEvent::MouseButtonDblClick: | |
855 | case QEvent::MouseMove: | |
856 | case QEvent::Wheel: | |
4b4f1c0d MC |
857 | case QEvent::TouchBegin: |
858 | case QEvent::TouchUpdate: | |
859 | case QEvent::TouchEnd: | |
adb4b10c | 860 | return false; |
adb4b10c | 861 | default: |
d9ea9628 | 862 | return QAbstractScrollArea::viewportEvent(event); |
adb4b10c JH |
863 | } |
864 | } | |
865 | ||
e314eca4 | 866 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 867 | { |
d7c0ca4a | 868 | update_layout(); |
adb4b10c JH |
869 | } |
870 | ||
6e2c3c85 | 871 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
872 | { |
873 | if (label) | |
8dbbc7f0 | 874 | header_->update(); |
32218d3e | 875 | if (content) |
8dbbc7f0 | 876 | viewport_->update(); |
32218d3e JH |
877 | } |
878 | ||
98cfe4e8 JH |
879 | void View::time_item_appearance_changed(bool label, bool content) |
880 | { | |
881 | if (label) | |
819e2e95 | 882 | ruler_->update(); |
98cfe4e8 JH |
883 | if (content) |
884 | viewport_->update(); | |
885 | } | |
886 | ||
32218d3e JH |
887 | void View::extents_changed(bool horz, bool vert) |
888 | { | |
8dbbc7f0 | 889 | sticky_events_ |= |
af503b10 JH |
890 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
891 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 892 | lazy_event_handler_.start(); |
32218d3e JH |
893 | } |
894 | ||
b16907d3 | 895 | void View::h_scroll_value_changed(int value) |
adb4b10c | 896 | { |
8dbbc7f0 | 897 | if (updating_scroll_) |
528bd8a1 JH |
898 | return; |
899 | ||
c7b03d9d SA |
900 | // Disable sticky scrolling when user moves the horizontal scroll bar |
901 | // during a running acquisition | |
902 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
903 | sticky_scrolling_ = false; | |
904 | sticky_scrolling_changed(false); | |
905 | } | |
906 | ||
f25770e2 | 907 | const int range = horizontalScrollBar()->maximum(); |
333d5bbc | 908 | if (range < MaxScrollValue) |
4b0af0b6 | 909 | set_offset(scale_ * value); |
f25770e2 | 910 | else { |
60d9b99a JS |
911 | double length = 0; |
912 | Timestamp offset; | |
f25770e2 | 913 | get_scroll_layout(length, offset); |
4b0af0b6 | 914 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
915 | } |
916 | ||
8dbbc7f0 | 917 | ruler_->update(); |
8dbbc7f0 | 918 | viewport_->update(); |
adb4b10c JH |
919 | } |
920 | ||
f8400017 | 921 | void View::v_scroll_value_changed() |
adb4b10c | 922 | { |
8dbbc7f0 JH |
923 | header_->update(); |
924 | viewport_->update(); | |
adb4b10c JH |
925 | } |
926 | ||
69dd2b03 JH |
927 | void View::signals_changed() |
928 | { | |
769a79b5 JH |
929 | using sigrok::Channel; |
930 | ||
925763b0 SA |
931 | vector< shared_ptr<Channel> > channels; |
932 | shared_ptr<sigrok::Device> sr_dev; | |
68b21a71 | 933 | |
925763b0 SA |
934 | // Do we need to set the vertical scrollbar to its default position later? |
935 | // We do if there are no traces, i.e. the scroll bar has no range set | |
936 | bool reset_scrollbar = | |
937 | verticalScrollBar()->minimum() == verticalScrollBar()->maximum(); | |
938 | ||
939 | if (!session_.device()) { | |
940 | reset_scroll(); | |
941 | } else { | |
925763b0 | 942 | sr_dev = session_.device()->device(); |
3b353d67 | 943 | assert(sr_dev); |
925763b0 SA |
944 | channels = sr_dev->channels(); |
945 | } | |
e37e05f7 | 946 | |
925763b0 | 947 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
769a79b5 | 948 | |
cf124e47 JH |
949 | // Make a list of traces that are being added, and a list of traces |
950 | // that are being removed | |
364d2155 JH |
951 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
952 | const set<shared_ptr<Trace>> prev_traces( | |
953 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 954 | |
bf914698 | 955 | const unordered_set< shared_ptr<Signal> > sigs(session_.signals()); |
448a72cf | 956 | |
cf124e47 JH |
957 | set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end()); |
958 | ||
959 | #ifdef ENABLE_DECODE | |
960 | const vector< shared_ptr<DecodeTrace> > decode_traces( | |
961 | session().get_decode_signals()); | |
962 | traces.insert(decode_traces.begin(), decode_traces.end()); | |
963 | #endif | |
964 | ||
965 | set< shared_ptr<Trace> > add_traces; | |
966 | set_difference(traces.begin(), traces.end(), | |
967 | prev_traces.begin(), prev_traces.end(), | |
968 | inserter(add_traces, add_traces.begin())); | |
969 | ||
970 | set< shared_ptr<Trace> > remove_traces; | |
971 | set_difference(prev_traces.begin(), prev_traces.end(), | |
972 | traces.begin(), traces.end(), | |
973 | inserter(remove_traces, remove_traces.begin())); | |
974 | ||
975 | // Make a look-up table of sigrok Channels to pulseview Signals | |
bf0edd2b | 976 | unordered_map<shared_ptr<data::SignalBase>, shared_ptr<Signal> > |
cf124e47 | 977 | signal_map; |
448a72cf | 978 | for (const shared_ptr<Signal> &sig : sigs) |
73a25a6e | 979 | signal_map[sig->base()] = sig; |
448a72cf JH |
980 | |
981 | // Populate channel groups | |
925763b0 SA |
982 | if (sr_dev) |
983 | for (auto entry : sr_dev->channel_groups()) { | |
984 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
985 | ||
986 | if (group->channels().size() <= 1) | |
987 | continue; | |
988 | ||
989 | // Find best trace group to add to | |
990 | TraceTreeItemOwner *owner = find_prevalent_trace_group( | |
991 | group, signal_map); | |
992 | ||
993 | // If there is no trace group, create one | |
994 | shared_ptr<TraceGroup> new_trace_group; | |
995 | if (!owner) { | |
996 | new_trace_group.reset(new TraceGroup()); | |
997 | owner = new_trace_group.get(); | |
998 | } | |
999 | ||
1000 | // Extract traces for the trace group, removing them from | |
1001 | // the add list | |
1002 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
1003 | extract_new_traces_for_channels(group->channels(), | |
1004 | signal_map, add_traces); | |
1005 | ||
1006 | // Add the traces to the group | |
1007 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
1008 | int offset = prev_v_extents.second - prev_v_extents.first; | |
1009 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
1010 | assert(trace); | |
1011 | owner->add_child_item(trace); | |
1012 | ||
1013 | const pair<int, int> extents = trace->v_extents(); | |
1014 | if (trace->enabled()) | |
1015 | offset += -extents.first; | |
1016 | trace->force_to_v_offset(offset); | |
1017 | if (trace->enabled()) | |
1018 | offset += extents.second; | |
1019 | } | |
1020 | ||
7d556523 SA |
1021 | if (new_trace_group) { |
1022 | // Assign proper vertical offsets to each channel in the group | |
1023 | new_trace_group->restack_items(); | |
1024 | ||
1025 | // If this is a new group, enqueue it in the new top level | |
1026 | // items list | |
1027 | if (!new_traces_in_group.empty()) | |
1028 | new_top_level_items.push_back(new_trace_group); | |
1029 | } | |
cf124e47 | 1030 | } |
68b21a71 | 1031 | |
769a79b5 JH |
1032 | // Enqueue the remaining logic channels in a group |
1033 | vector< shared_ptr<Channel> > logic_channels; | |
1034 | copy_if(channels.begin(), channels.end(), back_inserter(logic_channels), | |
1035 | [](const shared_ptr<Channel>& c) { | |
1036 | return c->type() == sigrok::ChannelType::LOGIC; }); | |
d6128866 | 1037 | |
769a79b5 | 1038 | const vector< shared_ptr<Trace> > non_grouped_logic_signals = |
d6128866 SA |
1039 | extract_new_traces_for_channels(logic_channels, signal_map, add_traces); |
1040 | ||
1041 | if (non_grouped_logic_signals.size() > 0) { | |
1042 | const shared_ptr<TraceGroup> non_grouped_trace_group( | |
1043 | make_shared<TraceGroup>()); | |
1044 | for (shared_ptr<Trace> trace : non_grouped_logic_signals) | |
1045 | non_grouped_trace_group->add_child_item(trace); | |
1046 | ||
1047 | non_grouped_trace_group->restack_items(); | |
1048 | new_top_level_items.push_back(non_grouped_trace_group); | |
1049 | } | |
769a79b5 | 1050 | |
cf124e47 JH |
1051 | // Enqueue the remaining channels as free ungrouped traces |
1052 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
d6128866 | 1053 | extract_new_traces_for_channels(channels, signal_map, add_traces); |
cf124e47 JH |
1054 | new_top_level_items.insert(new_top_level_items.end(), |
1055 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
1056 | ||
1057 | // Enqueue any remaining traces i.e. decode traces | |
1058 | new_top_level_items.insert(new_top_level_items.end(), | |
1059 | add_traces.begin(), add_traces.end()); | |
1060 | ||
1061 | // Remove any removed traces | |
1062 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 1063 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
1064 | assert(owner); |
1065 | owner->remove_child_item(trace); | |
1066 | } | |
448a72cf | 1067 | |
bc72e51f SA |
1068 | // Remove any empty trace groups |
1069 | for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>()) | |
e28c998e | 1070 | if (group->child_items().size() == 0) { |
bc72e51f | 1071 | remove_child_item(group); |
e28c998e SA |
1072 | group.reset(); |
1073 | } | |
bc72e51f | 1074 | |
cf124e47 JH |
1075 | // Add and position the pending top levels items |
1076 | for (auto item : new_top_level_items) { | |
8c09273b SA |
1077 | add_child_item(item); |
1078 | ||
d6128866 SA |
1079 | // Position the item after the last item or at the top if there is none |
1080 | int offset = v_extents().second; | |
8c09273b SA |
1081 | const pair<int, int> extents = item->v_extents(); |
1082 | ||
1083 | if (item->enabled()) | |
1084 | offset += -extents.first; | |
d6128866 | 1085 | |
d6128866 | 1086 | item->force_to_v_offset(offset); |
cf124e47 | 1087 | |
cf124e47 | 1088 | if (item->enabled()) |
8c09273b | 1089 | offset += extents.second; |
ef8311a4 JH |
1090 | } |
1091 | ||
a6c1726e | 1092 | update_layout(); |
cf124e47 JH |
1093 | |
1094 | header_->update(); | |
1095 | viewport_->update(); | |
925763b0 SA |
1096 | |
1097 | if (reset_scrollbar) | |
1098 | set_scroll_default(); | |
69dd2b03 JH |
1099 | } |
1100 | ||
7ee199a7 | 1101 | void View::capture_state_updated(int state) |
adb4b10c | 1102 | { |
92ff2b60 | 1103 | if (state == Session::Running) { |
4b0af0b6 | 1104 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 | 1105 | |
92ff2b60 TS |
1106 | trigger_markers_.clear(); |
1107 | } | |
1108 | ||
fd03a279 SA |
1109 | if (state == Session::Stopped) { |
1110 | // After acquisition has stopped we need to re-calculate the ticks once | |
1111 | // as it's otherwise done when the user pans or zooms, which is too late | |
1112 | calculate_tick_spacing(); | |
1113 | ||
1114 | // Reset "always zoom to fit", the acquisition has stopped | |
1115 | if (always_zoom_to_fit_) { | |
1116 | always_zoom_to_fit_ = false; | |
1117 | always_zoom_to_fit_changed(false); | |
1118 | } | |
1119 | } | |
7ee199a7 SA |
1120 | } |
1121 | ||
1122 | void View::data_updated() | |
1123 | { | |
ce11b2ea | 1124 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1125 | if (!delayed_view_updater_.isActive()) |
1126 | delayed_view_updater_.start(); | |
1127 | } else { | |
ef454ad5 | 1128 | determine_time_unit(); |
c7b03d9d SA |
1129 | update_scroll(); |
1130 | ruler_->update(); | |
1131 | viewport_->update(); | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | void View::perform_delayed_view_update() | |
1136 | { | |
ce11b2ea SA |
1137 | if (always_zoom_to_fit_) |
1138 | zoom_fit(true); | |
1139 | ||
c7b03d9d SA |
1140 | if (sticky_scrolling_) { |
1141 | // Make right side of the view sticky | |
60d9b99a JS |
1142 | double length = 0; |
1143 | Timestamp offset; | |
c7b03d9d SA |
1144 | get_scroll_layout(length, offset); |
1145 | ||
1146 | const QSize areaSize = viewport_->size(); | |
1147 | length = max(length - areaSize.width(), 0.0); | |
1148 | ||
4b0af0b6 | 1149 | set_offset(scale_ * length); |
c7b03d9d | 1150 | } |
adb4b10c | 1151 | |
ef454ad5 | 1152 | determine_time_unit(); |
c7b03d9d SA |
1153 | update_scroll(); |
1154 | ruler_->update(); | |
8dbbc7f0 | 1155 | viewport_->update(); |
adb4b10c | 1156 | } |
cdf7bea7 | 1157 | |
32218d3e | 1158 | void View::process_sticky_events() |
d7c0ca4a | 1159 | { |
af503b10 | 1160 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1161 | update_layout(); |
af503b10 JH |
1162 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1163 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1164 | update_scroll(); |
1165 | } | |
32218d3e JH |
1166 | |
1167 | // Clear the sticky events | |
8dbbc7f0 | 1168 | sticky_events_ = 0; |
d7c0ca4a JH |
1169 | } |
1170 | ||
33c62f44 JH |
1171 | void View::on_hover_point_changed() |
1172 | { | |
cc88566c JH |
1173 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1174 | list_by_type<TraceTreeItem>()); | |
1175 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1176 | r->hover_point_changed(); |
33c62f44 JH |
1177 | } |
1178 | ||
cdf7bea7 JH |
1179 | } // namespace view |
1180 | } // namespace pv |