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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 | |
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 | |
2acdb232 JH |
45 | #include "decodetrace.hpp" |
46 | #include "header.hpp" | |
47 | #include "logicsignal.hpp" | |
48 | #include "ruler.hpp" | |
49 | #include "signal.hpp" | |
50 | #include "tracegroup.hpp" | |
51 | #include "view.hpp" | |
52 | #include "viewport.hpp" | |
adb4b10c | 53 | |
f65cd27b | 54 | #include "pv/session.hpp" |
da30ecb7 | 55 | #include "pv/devices/device.hpp" |
2acdb232 | 56 | #include "pv/data/logic.hpp" |
f3d66e52 | 57 | #include "pv/data/logicsegment.hpp" |
361c560e | 58 | #include "pv/util.hpp" |
adb4b10c | 59 | |
aca64cac JH |
60 | using boost::shared_lock; |
61 | using boost::shared_mutex; | |
361c560e | 62 | |
1bc6525b | 63 | using pv::data::SignalData; |
f3d66e52 | 64 | using pv::data::Segment; |
ef454ad5 | 65 | using pv::util::TimeUnit; |
60d9b99a | 66 | using pv::util::Timestamp; |
361c560e | 67 | |
819f4c25 | 68 | using std::deque; |
448a72cf | 69 | using std::dynamic_pointer_cast; |
cf124e47 | 70 | using std::inserter; |
819f4c25 | 71 | using std::list; |
c3a740dd | 72 | using std::lock_guard; |
819f4c25 | 73 | using std::max; |
1bc6525b | 74 | using std::make_pair; |
819f4c25 | 75 | using std::min; |
1bc6525b | 76 | using std::pair; |
819f4c25 | 77 | using std::set; |
cf124e47 | 78 | using std::set_difference; |
f9abf97e | 79 | using std::shared_ptr; |
448a72cf | 80 | using std::unordered_map; |
7ff0145f | 81 | using std::unordered_set; |
819f4c25 | 82 | using std::vector; |
f9abf97e | 83 | using std::weak_ptr; |
adb4b10c | 84 | |
cdf7bea7 JH |
85 | namespace pv { |
86 | namespace view { | |
adb4b10c | 87 | |
60d9b99a JS |
88 | const Timestamp View::MaxScale("1e9"); |
89 | const Timestamp View::MinScale("1e-12"); | |
adb4b10c | 90 | |
f25770e2 | 91 | const int View::MaxScrollValue = INT_MAX / 2; |
ce11b2ea | 92 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz with sticky scrolling |
f25770e2 | 93 | |
361c560e JH |
94 | const int View::ScaleUnits[3] = {1, 2, 5}; |
95 | ||
2b81ae46 | 96 | View::View(Session &session, QWidget *parent) : |
adb4b10c | 97 | QAbstractScrollArea(parent), |
8dbbc7f0 JH |
98 | session_(session), |
99 | viewport_(new Viewport(*this)), | |
100 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 101 | header_(new Header(*this)), |
c0100b55 | 102 | scale_(1e-3), |
8dbbc7f0 | 103 | offset_(0), |
8dbbc7f0 | 104 | updating_scroll_(false), |
c7b03d9d | 105 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
ce11b2ea | 106 | always_zoom_to_fit_(false), |
c677193d | 107 | tick_period_(0), |
d001f416 | 108 | tick_prefix_(pv::util::SIPrefix::yocto), |
d40f4db7 | 109 | tick_precision_(0), |
d001f416 | 110 | time_unit_(util::TimeUnit::Time), |
8dbbc7f0 | 111 | show_cursors_(false), |
5c5ce757 | 112 | cursors_(new CursorPair(*this)), |
8914fe79 | 113 | next_flag_text_('A'), |
8dbbc7f0 | 114 | hover_point_(-1, -1) |
adb4b10c | 115 | { |
b16907d3 JH |
116 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), |
117 | this, SLOT(h_scroll_value_changed(int))); | |
adb4b10c | 118 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 119 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 120 | |
8dbbc7f0 | 121 | connect(&session_, SIGNAL(signals_changed()), |
69dd2b03 | 122 | this, SLOT(signals_changed())); |
8dbbc7f0 | 123 | connect(&session_, SIGNAL(capture_state_changed(int)), |
7ee199a7 | 124 | this, SLOT(capture_state_updated(int))); |
8dbbc7f0 | 125 | connect(&session_, SIGNAL(data_received()), |
1f374035 | 126 | this, SLOT(data_updated())); |
8dbbc7f0 | 127 | connect(&session_, SIGNAL(frame_ended()), |
adb4b10c | 128 | this, SLOT(data_updated())); |
1d8dca91 | 129 | |
8dbbc7f0 | 130 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
131 | ruler_, SLOT(clear_selection())); |
132 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 133 | header_, SLOT(clear_selection())); |
17348f85 | 134 | |
8dbbc7f0 | 135 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 136 | this, SIGNAL(selection_changed())); |
819e2e95 | 137 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
138 | this, SIGNAL(selection_changed())); |
139 | ||
33c62f44 JH |
140 | connect(this, SIGNAL(hover_point_changed()), |
141 | this, SLOT(on_hover_point_changed())); | |
142 | ||
8dbbc7f0 | 143 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 144 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 145 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 146 | |
c7b03d9d SA |
147 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
148 | this, SLOT(perform_delayed_view_update())); | |
149 | delayed_view_updater_.setSingleShot(true); | |
150 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
151 | ||
8dbbc7f0 | 152 | setViewport(viewport_); |
cbd80f64 | 153 | |
8dbbc7f0 JH |
154 | viewport_->installEventFilter(this); |
155 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 156 | header_->installEventFilter(this); |
d873f4d6 | 157 | |
9f46d905 JH |
158 | // Trigger the initial event manually. The default device has signals |
159 | // which were created before this object came into being | |
d873f4d6 | 160 | signals_changed(); |
84a0d458 | 161 | |
512bfc56 | 162 | // make sure the transparent widgets are on the top |
819e2e95 | 163 | ruler_->raise(); |
8dbbc7f0 | 164 | header_->raise(); |
361c560e JH |
165 | |
166 | // Update the zoom state | |
167 | calculate_tick_spacing(); | |
adb4b10c JH |
168 | } |
169 | ||
2b81ae46 | 170 | Session& View::session() |
1d19ef83 | 171 | { |
8dbbc7f0 | 172 | return session_; |
1d19ef83 JH |
173 | } |
174 | ||
2b81ae46 | 175 | const Session& View::session() const |
38eeddea | 176 | { |
8dbbc7f0 | 177 | return session_; |
38eeddea JH |
178 | } |
179 | ||
eae6e30a JH |
180 | View* View::view() |
181 | { | |
182 | return this; | |
183 | } | |
184 | ||
185 | const View* View::view() const | |
186 | { | |
187 | return this; | |
188 | } | |
189 | ||
2ae445ba SA |
190 | Viewport* View::viewport() |
191 | { | |
8dbbc7f0 | 192 | return viewport_; |
2ae445ba SA |
193 | } |
194 | ||
195 | const Viewport* View::viewport() const | |
196 | { | |
8dbbc7f0 | 197 | return viewport_; |
2ae445ba SA |
198 | } |
199 | ||
2496bf45 JH |
200 | vector< shared_ptr<TimeItem> > View::time_items() const |
201 | { | |
8914fe79 JH |
202 | const vector<shared_ptr<Flag>> f(flags()); |
203 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 204 | items.push_back(cursors_); |
5c5ce757 JH |
205 | items.push_back(cursors_->first()); |
206 | items.push_back(cursors_->second()); | |
2496bf45 JH |
207 | return items; |
208 | } | |
209 | ||
cdf7bea7 | 210 | double View::scale() const |
adb4b10c | 211 | { |
8dbbc7f0 | 212 | return scale_; |
adb4b10c JH |
213 | } |
214 | ||
4b0af0b6 JS |
215 | void View::set_scale(double scale) |
216 | { | |
217 | if (scale_ != scale) { | |
218 | scale_ = scale; | |
219 | Q_EMIT scale_changed(); | |
220 | } | |
221 | } | |
222 | ||
60d9b99a | 223 | const Timestamp& View::offset() const |
adb4b10c | 224 | { |
8dbbc7f0 | 225 | return offset_; |
adb4b10c JH |
226 | } |
227 | ||
4b0af0b6 JS |
228 | void View::set_offset(const pv::util::Timestamp& offset) |
229 | { | |
230 | if (offset_ != offset) { | |
231 | offset_ = offset; | |
232 | Q_EMIT offset_changed(); | |
233 | } | |
234 | } | |
235 | ||
7ff0145f | 236 | int View::owner_visual_v_offset() const |
adb4b10c | 237 | { |
f8400017 | 238 | return -verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
239 | } |
240 | ||
4d476647 JH |
241 | void View::set_v_offset(int offset) |
242 | { | |
243 | verticalScrollBar()->setSliderPosition(offset); | |
244 | header_->update(); | |
245 | viewport_->update(); | |
246 | } | |
247 | ||
3e769a37 JH |
248 | unsigned int View::depth() const |
249 | { | |
250 | return 0; | |
251 | } | |
252 | ||
d001f416 | 253 | pv::util::SIPrefix View::tick_prefix() const |
361c560e JH |
254 | { |
255 | return tick_prefix_; | |
256 | } | |
257 | ||
4b0af0b6 JS |
258 | void View::set_tick_prefix(pv::util::SIPrefix tick_prefix) |
259 | { | |
260 | if (tick_prefix_ != tick_prefix) { | |
261 | tick_prefix_ = tick_prefix; | |
262 | Q_EMIT tick_prefix_changed(); | |
263 | } | |
264 | } | |
265 | ||
d40f4db7 SA |
266 | unsigned int View::tick_precision() const |
267 | { | |
268 | return tick_precision_; | |
269 | } | |
270 | ||
4b0af0b6 JS |
271 | void View::set_tick_precision(unsigned tick_precision) |
272 | { | |
273 | if (tick_precision_ != tick_precision) { | |
274 | tick_precision_ = tick_precision; | |
275 | Q_EMIT tick_precision_changed(); | |
276 | } | |
277 | } | |
278 | ||
c677193d | 279 | const pv::util::Timestamp& View::tick_period() const |
361c560e JH |
280 | { |
281 | return tick_period_; | |
282 | } | |
283 | ||
c677193d | 284 | void View::set_tick_period(const pv::util::Timestamp& tick_period) |
4b0af0b6 JS |
285 | { |
286 | if (tick_period_ != tick_period) { | |
287 | tick_period_ = tick_period; | |
288 | Q_EMIT tick_period_changed(); | |
289 | } | |
290 | } | |
291 | ||
ef454ad5 SA |
292 | TimeUnit View::time_unit() const |
293 | { | |
294 | return time_unit_; | |
295 | } | |
296 | ||
4b0af0b6 JS |
297 | void View::set_time_unit(pv::util::TimeUnit time_unit) |
298 | { | |
299 | if (time_unit_ != time_unit) { | |
300 | time_unit_ = time_unit; | |
301 | Q_EMIT time_unit_changed(); | |
302 | } | |
303 | } | |
304 | ||
cdf7bea7 | 305 | void View::zoom(double steps) |
adb4b10c | 306 | { |
8dbbc7f0 | 307 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
308 | } |
309 | ||
17c0f398 JH |
310 | void View::zoom(double steps, int offset) |
311 | { | |
8dbbc7f0 | 312 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
313 | } |
314 | ||
ce11b2ea | 315 | void View::zoom_fit(bool gui_state) |
ca46b534 | 316 | { |
ce11b2ea SA |
317 | // Act as one-shot when stopped, toggle along with the GUI otherwise |
318 | if (session_.get_capture_state() == Session::Stopped) { | |
319 | always_zoom_to_fit_ = false; | |
320 | always_zoom_to_fit_changed(false); | |
321 | } else { | |
322 | always_zoom_to_fit_ = gui_state; | |
323 | always_zoom_to_fit_changed(gui_state); | |
324 | } | |
325 | ||
60d9b99a JS |
326 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
327 | const Timestamp delta = extents.second - extents.first; | |
328 | if (delta < Timestamp("1e-12")) | |
ca46b534 JH |
329 | return; |
330 | ||
8dbbc7f0 JH |
331 | assert(viewport_); |
332 | const int w = viewport_->width(); | |
ca46b534 JH |
333 | if (w <= 0) |
334 | return; | |
335 | ||
60d9b99a JS |
336 | const Timestamp scale = max(min(delta / w, MaxScale), MinScale); |
337 | set_scale_offset(scale.convert_to<double>(), extents.first); | |
ca46b534 JH |
338 | } |
339 | ||
d1e7d82c JH |
340 | void View::zoom_one_to_one() |
341 | { | |
342 | using pv::data::SignalData; | |
343 | ||
d1e7d82c | 344 | // Make a set of all the visible data objects |
0fc664a9 | 345 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
346 | if (visible_data.empty()) |
347 | return; | |
348 | ||
349 | double samplerate = 0.0; | |
d9aecf1f | 350 | for (const shared_ptr<SignalData> d : visible_data) { |
d1e7d82c | 351 | assert(d); |
f3d66e52 JH |
352 | const vector< shared_ptr<Segment> > segments = |
353 | d->segments(); | |
354 | for (const shared_ptr<Segment> &s : segments) | |
ff008de6 | 355 | samplerate = max(samplerate, s->samplerate()); |
d1e7d82c JH |
356 | } |
357 | ||
358 | if (samplerate == 0.0) | |
359 | return; | |
360 | ||
8dbbc7f0 JH |
361 | assert(viewport_); |
362 | const int w = viewport_->width(); | |
d1e7d82c JH |
363 | if (w <= 0) |
364 | return; | |
365 | ||
366 | set_zoom(1.0 / samplerate, w / 2); | |
367 | } | |
368 | ||
60d9b99a | 369 | void View::set_scale_offset(double scale, const Timestamp& offset) |
adb4b10c | 370 | { |
ce11b2ea SA |
371 | // Disable sticky scrolling / always zoom to fit when acquisition runs |
372 | // and user drags the viewport | |
c7b03d9d | 373 | if ((scale_ == scale) && (offset_ != offset) && |
ce11b2ea SA |
374 | (session_.get_capture_state() == Session::Running)) { |
375 | ||
376 | if (sticky_scrolling_) { | |
377 | sticky_scrolling_ = false; | |
378 | sticky_scrolling_changed(false); | |
379 | } | |
380 | ||
381 | if (always_zoom_to_fit_) { | |
382 | always_zoom_to_fit_ = false; | |
383 | always_zoom_to_fit_changed(false); | |
384 | } | |
c7b03d9d SA |
385 | } |
386 | ||
4b0af0b6 JS |
387 | set_scale(scale); |
388 | set_offset(offset); | |
ccdd3ef5 | 389 | |
361c560e JH |
390 | calculate_tick_spacing(); |
391 | ||
adb4b10c | 392 | update_scroll(); |
8dbbc7f0 | 393 | ruler_->update(); |
8dbbc7f0 | 394 | viewport_->update(); |
adb4b10c JH |
395 | } |
396 | ||
1bc6525b JH |
397 | set< shared_ptr<SignalData> > View::get_visible_data() const |
398 | { | |
bf914698 | 399 | const unordered_set< shared_ptr<Signal> > sigs(session().signals()); |
1bc6525b JH |
400 | |
401 | // Make a set of all the visible data objects | |
402 | set< shared_ptr<SignalData> > visible_data; | |
d9aecf1f | 403 | for (const shared_ptr<Signal> sig : sigs) |
1bc6525b JH |
404 | if (sig->enabled()) |
405 | visible_data.insert(sig->data()); | |
406 | ||
407 | return visible_data; | |
408 | } | |
409 | ||
60d9b99a | 410 | pair<Timestamp, Timestamp> View::get_time_extents() const |
1bc6525b | 411 | { |
60d9b99a | 412 | boost::optional<Timestamp> left_time, right_time; |
7f4038d6 | 413 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d9aecf1f | 414 | for (const shared_ptr<SignalData> d : visible_data) |
1bc6525b | 415 | { |
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 | ||
f76af637 JH |
444 | bool View::cursors_shown() const |
445 | { | |
8dbbc7f0 | 446 | return show_cursors_; |
f76af637 JH |
447 | } |
448 | ||
449 | void View::show_cursors(bool show) | |
450 | { | |
8dbbc7f0 | 451 | show_cursors_ = show; |
819e2e95 | 452 | ruler_->update(); |
8dbbc7f0 | 453 | viewport_->update(); |
f76af637 JH |
454 | } |
455 | ||
b4d91e56 JH |
456 | void View::centre_cursors() |
457 | { | |
8dbbc7f0 | 458 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
459 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
460 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 461 | ruler_->update(); |
8dbbc7f0 | 462 | viewport_->update(); |
b4d91e56 JH |
463 | } |
464 | ||
5c5ce757 | 465 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 466 | { |
8dbbc7f0 | 467 | return cursors_; |
58864c5c JH |
468 | } |
469 | ||
60d9b99a | 470 | void View::add_flag(const Timestamp& time) |
8914fe79 JH |
471 | { |
472 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
473 | QString("%1").arg(next_flag_text_)))); | |
474 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : | |
475 | (next_flag_text_ + 1); | |
476 | time_item_appearance_changed(true, true); | |
477 | } | |
478 | ||
479 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
480 | { | |
481 | flags_.remove(flag); | |
482 | time_item_appearance_changed(true, true); | |
483 | } | |
484 | ||
485 | vector< std::shared_ptr<Flag> > View::flags() const | |
486 | { | |
487 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
488 | stable_sort(flags.begin(), flags.end(), | |
489 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
490 | return a->time() < b->time(); | |
491 | }); | |
492 | ||
493 | return flags; | |
494 | } | |
495 | ||
cbd80f64 JH |
496 | const QPoint& View::hover_point() const |
497 | { | |
8dbbc7f0 | 498 | return hover_point_; |
cbd80f64 JH |
499 | } |
500 | ||
9cef9567 JH |
501 | void View::update_viewport() |
502 | { | |
8dbbc7f0 JH |
503 | assert(viewport_); |
504 | viewport_->update(); | |
505 | header_->update(); | |
7ff0145f JH |
506 | } |
507 | ||
af503b10 | 508 | void View::restack_all_trace_tree_items() |
7ff0145f | 509 | { |
873cbed0 | 510 | // Make a list of owners that is sorted from deepest first |
cc88566c JH |
511 | const vector<shared_ptr<TraceTreeItem>> items( |
512 | list_by_type<TraceTreeItem>()); | |
4800cf9a | 513 | set< TraceTreeItemOwner* > owners; |
cc88566c | 514 | for (const auto &r : items) |
4800cf9a | 515 | owners.insert(r->owner()); |
af503b10 | 516 | vector< TraceTreeItemOwner* > sorted_owners(owners.begin(), owners.end()); |
7ff0145f | 517 | sort(sorted_owners.begin(), sorted_owners.end(), |
af503b10 | 518 | [](const TraceTreeItemOwner* a, const TraceTreeItemOwner *b) { |
7ff0145f JH |
519 | return a->depth() > b->depth(); }); |
520 | ||
521 | // Restack the items recursively | |
522 | for (auto &o : sorted_owners) | |
523 | o->restack_items(); | |
524 | ||
525 | // Animate the items to their destination | |
cef5997e JH |
526 | for (const auto &i : items) |
527 | i->animate_to_layout_v_offset(); | |
9cef9567 JH |
528 | } |
529 | ||
60d9b99a | 530 | void View::get_scroll_layout(double &length, Timestamp &offset) const |
f25770e2 | 531 | { |
60d9b99a JS |
532 | const pair<Timestamp, Timestamp> extents = get_time_extents(); |
533 | length = ((extents.second - extents.first) / scale_).convert_to<double>(); | |
8dbbc7f0 | 534 | offset = offset_ / scale_; |
f25770e2 JH |
535 | } |
536 | ||
d1e7d82c JH |
537 | void View::set_zoom(double scale, int offset) |
538 | { | |
ce11b2ea SA |
539 | // Reset the "always zoom to fit" feature as the user changed the zoom |
540 | always_zoom_to_fit_ = false; | |
541 | always_zoom_to_fit_changed(false); | |
542 | ||
60d9b99a JS |
543 | const Timestamp cursor_offset = offset_ + scale_ * offset; |
544 | const Timestamp new_scale = max(min(Timestamp(scale), MaxScale), MinScale); | |
545 | const Timestamp new_offset = cursor_offset - new_scale * offset; | |
546 | set_scale_offset(new_scale.convert_to<double>(), new_offset); | |
d1e7d82c JH |
547 | } |
548 | ||
361c560e JH |
549 | void View::calculate_tick_spacing() |
550 | { | |
8a1bc087 | 551 | const double SpacingIncrement = 10.0f; |
8a463dbc | 552 | const double MinValueSpacing = 40.0f; |
361c560e | 553 | |
1e124d4b SA |
554 | // Figure out the highest numeric value visible on a label |
555 | const QSize areaSize = viewport_->size(); | |
60d9b99a | 556 | const Timestamp max_time = max(fabs(offset_), |
1e124d4b SA |
557 | fabs(offset_ + scale_ * areaSize.width())); |
558 | ||
d40f4db7 SA |
559 | double min_width = SpacingIncrement; |
560 | double label_width, tick_period_width; | |
361c560e JH |
561 | |
562 | QFontMetrics m(QApplication::font()); | |
563 | ||
adb3831e JS |
564 | // Copies of the member variables with the same name, used in the calculation |
565 | // and written back afterwards, so that we don't emit signals all the time | |
566 | // during the calculation. | |
567 | pv::util::Timestamp tick_period = tick_period_; | |
568 | pv::util::SIPrefix tick_prefix = tick_prefix_; | |
569 | unsigned tick_precision = tick_precision_; | |
570 | ||
361c560e JH |
571 | do { |
572 | const double min_period = scale_ * min_width; | |
573 | ||
574 | const int order = (int)floorf(log10f(min_period)); | |
c677193d JS |
575 | const pv::util::Timestamp order_decimal = |
576 | pow(pv::util::Timestamp(10), order); | |
361c560e | 577 | |
8a1bc087 SA |
578 | // Allow for a margin of error so that a scale unit of 1 can be used. |
579 | // Otherwise, for a SU of 1 the tick period will almost always be below | |
580 | // the min_period by a small amount - and thus skipped in favor of 2. | |
581 | // Note: margin assumes that SU[0] and SU[1] contain the smallest values | |
582 | double tp_margin = (ScaleUnits[0] + ScaleUnits[1]) / 2.0; | |
583 | double tp_with_margin; | |
361c560e JH |
584 | unsigned int unit = 0; |
585 | ||
586 | do { | |
c677193d JS |
587 | tp_with_margin = order_decimal.convert_to<double>() * |
588 | (ScaleUnits[unit++] + tp_margin); | |
8a1bc087 | 589 | } while (tp_with_margin < min_period && unit < countof(ScaleUnits)); |
361c560e | 590 | |
adb3831e JS |
591 | tick_period = order_decimal * ScaleUnits[unit - 1]; |
592 | tick_prefix = static_cast<pv::util::SIPrefix>( | |
593 | (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3); | |
361c560e | 594 | |
d40f4db7 SA |
595 | // Precision is the number of fractional digits required, not |
596 | // taking the prefix into account (and it must never be negative) | |
adb3831e | 597 | tick_precision = std::max(ceil(log10(1 / tick_period)).convert_to<int>(), 0); |
d40f4db7 | 598 | |
adb3831e | 599 | tick_period_width = (tick_period / scale_).convert_to<double>(); |
d40f4db7 | 600 | |
3ccf0f7f JS |
601 | const QString label_text = Ruler::format_time_with_distance( |
602 | tick_period, max_time, tick_prefix, time_unit_, tick_precision); | |
d40f4db7 SA |
603 | |
604 | label_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
605 | Qt::AlignLeft | Qt::AlignTop, label_text).width() + | |
361c560e JH |
606 | MinValueSpacing; |
607 | ||
608 | min_width += SpacingIncrement; | |
d40f4db7 | 609 | } while (tick_period_width < label_width); |
adb3831e JS |
610 | |
611 | set_tick_period(tick_period); | |
612 | set_tick_prefix(tick_prefix); | |
613 | set_tick_precision(tick_precision); | |
361c560e JH |
614 | } |
615 | ||
cdf7bea7 | 616 | void View::update_scroll() |
adb4b10c | 617 | { |
8dbbc7f0 | 618 | assert(viewport_); |
adb4b10c | 619 | |
8dbbc7f0 | 620 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
621 | |
622 | // Set the horizontal scroll bar | |
60d9b99a JS |
623 | double length = 0; |
624 | Timestamp offset; | |
f25770e2 JH |
625 | get_scroll_layout(length, offset); |
626 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 627 | |
c677193d | 628 | int major_tick_distance = (tick_period_ / scale_).convert_to<int>(); |
d7aae647 | 629 | |
b4ef7f2a | 630 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); |
d7aae647 | 631 | horizontalScrollBar()->setSingleStep(major_tick_distance); |
f25770e2 | 632 | |
8dbbc7f0 | 633 | updating_scroll_ = true; |
528bd8a1 | 634 | |
333d5bbc | 635 | if (length < MaxScrollValue) { |
f25770e2 | 636 | horizontalScrollBar()->setRange(0, length); |
60d9b99a | 637 | horizontalScrollBar()->setSliderPosition(offset.convert_to<double>()); |
f25770e2 JH |
638 | } else { |
639 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
640 | horizontalScrollBar()->setSliderPosition( | |
60d9b99a | 641 | (offset_ * MaxScrollValue / (scale_ * length)).convert_to<double>()); |
f25770e2 | 642 | } |
adb4b10c | 643 | |
8dbbc7f0 | 644 | updating_scroll_ = false; |
528bd8a1 | 645 | |
adb4b10c JH |
646 | // Set the vertical scrollbar |
647 | verticalScrollBar()->setPageStep(areaSize.height()); | |
65c34596 | 648 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); |
a5d93c27 JH |
649 | |
650 | const pair<int, int> extents = v_extents(); | |
f1d9ac67 SA |
651 | verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2), |
652 | extents.second - (areaSize.height() / 2)); | |
adb4b10c JH |
653 | } |
654 | ||
d7c0ca4a JH |
655 | void View::update_layout() |
656 | { | |
512bfc56 | 657 | setViewportMargins( |
8dbbc7f0 JH |
658 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, |
659 | ruler_->sizeHint().height(), 0, 0); | |
660 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 661 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 662 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 663 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
664 | update_scroll(); |
665 | } | |
666 | ||
b3f44329 | 667 | void View::paint_label(QPainter &p, const QRect &rect, bool hover) |
eae6e30a JH |
668 | { |
669 | (void)p; | |
b3f44329 | 670 | (void)rect; |
eae6e30a JH |
671 | (void)hover; |
672 | } | |
673 | ||
b3f44329 | 674 | QRectF View::label_rect(const QRectF &rect) |
eae6e30a | 675 | { |
b3f44329 | 676 | (void)rect; |
eae6e30a JH |
677 | return QRectF(); |
678 | } | |
679 | ||
af503b10 | 680 | TraceTreeItemOwner* View::find_prevalent_trace_group( |
cf124e47 JH |
681 | const shared_ptr<sigrok::ChannelGroup> &group, |
682 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
683 | &signal_map) | |
448a72cf | 684 | { |
cf124e47 | 685 | assert(group); |
448a72cf | 686 | |
af503b10 JH |
687 | unordered_set<TraceTreeItemOwner*> owners; |
688 | vector<TraceTreeItemOwner*> owner_list; | |
448a72cf | 689 | |
cf124e47 JH |
690 | // Make a set and a list of all the owners |
691 | for (const auto &channel : group->channels()) { | |
448a72cf | 692 | const auto iter = signal_map.find(channel); |
cf124e47 | 693 | if (iter == signal_map.end()) |
448a72cf JH |
694 | continue; |
695 | ||
af503b10 | 696 | TraceTreeItemOwner *const o = (*iter).second->owner(); |
cf124e47 JH |
697 | owner_list.push_back(o); |
698 | owners.insert(o); | |
699 | } | |
448a72cf | 700 | |
cf124e47 JH |
701 | // Iterate through the list of owners, and find the most prevalent |
702 | size_t max_prevalence = 0; | |
af503b10 JH |
703 | TraceTreeItemOwner *prevalent_owner = nullptr; |
704 | for (TraceTreeItemOwner *owner : owners) { | |
cf124e47 JH |
705 | const size_t prevalence = std::count_if( |
706 | owner_list.begin(), owner_list.end(), | |
af503b10 | 707 | [&](TraceTreeItemOwner *o) { return o == owner; }); |
cf124e47 JH |
708 | if (prevalence > max_prevalence) { |
709 | max_prevalence = prevalence; | |
710 | prevalent_owner = owner; | |
711 | } | |
448a72cf JH |
712 | } |
713 | ||
cf124e47 | 714 | return prevalent_owner; |
448a72cf JH |
715 | } |
716 | ||
cf124e47 JH |
717 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
718 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
719 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
720 | &signal_map, | |
721 | set< shared_ptr<Trace> > &add_list) | |
722 | { | |
723 | vector< shared_ptr<Trace> > filtered_traces; | |
724 | ||
725 | for (const auto &channel : channels) | |
726 | { | |
727 | const auto map_iter = signal_map.find(channel); | |
728 | if (map_iter == signal_map.end()) | |
729 | continue; | |
730 | ||
731 | shared_ptr<Trace> trace = (*map_iter).second; | |
732 | const auto list_iter = add_list.find(trace); | |
733 | if (list_iter == add_list.end()) | |
734 | continue; | |
735 | ||
736 | filtered_traces.push_back(trace); | |
737 | add_list.erase(list_iter); | |
738 | } | |
739 | ||
740 | return filtered_traces; | |
448a72cf JH |
741 | } |
742 | ||
ef454ad5 SA |
743 | void View::determine_time_unit() |
744 | { | |
7ee199a7 | 745 | // Check whether we know the sample rate and hence can use time as the unit |
d001f416 | 746 | if (time_unit_ == util::TimeUnit::Samples) { |
bf914698 | 747 | const unordered_set< shared_ptr<Signal> > sigs(session().signals()); |
7ee199a7 SA |
748 | |
749 | // Check all signals but... | |
750 | for (const shared_ptr<Signal> signal : sigs) { | |
751 | const shared_ptr<SignalData> data = signal->data(); | |
752 | ||
753 | // ...only check first segment of each | |
754 | const vector< shared_ptr<Segment> > segments = data->segments(); | |
755 | if (!segments.empty()) | |
756 | if (segments[0]->samplerate()) { | |
4b0af0b6 | 757 | set_time_unit(util::TimeUnit::Time); |
7ee199a7 SA |
758 | break; |
759 | } | |
760 | } | |
ef454ad5 SA |
761 | } |
762 | } | |
763 | ||
cbd80f64 JH |
764 | bool View::eventFilter(QObject *object, QEvent *event) |
765 | { | |
766 | const QEvent::Type type = event->type(); | |
333d5bbc | 767 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
768 | |
769 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
770 | if (object == viewport_) |
771 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 772 | else if (object == ruler_) |
8dbbc7f0 JH |
773 | hover_point_ = QPoint(mouse_event->x(), 0); |
774 | else if (object == header_) | |
775 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 776 | else |
8dbbc7f0 | 777 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
778 | |
779 | hover_point_changed(); | |
780 | ||
333d5bbc | 781 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 782 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
783 | hover_point_changed(); |
784 | } | |
785 | ||
786 | return QObject::eventFilter(object, event); | |
787 | } | |
788 | ||
cdf7bea7 | 789 | bool View::viewportEvent(QEvent *e) |
adb4b10c JH |
790 | { |
791 | switch(e->type()) { | |
792 | case QEvent::Paint: | |
793 | case QEvent::MouseButtonPress: | |
794 | case QEvent::MouseButtonRelease: | |
795 | case QEvent::MouseButtonDblClick: | |
796 | case QEvent::MouseMove: | |
797 | case QEvent::Wheel: | |
4b4f1c0d MC |
798 | case QEvent::TouchBegin: |
799 | case QEvent::TouchUpdate: | |
800 | case QEvent::TouchEnd: | |
adb4b10c JH |
801 | return false; |
802 | ||
803 | default: | |
804 | return QAbstractScrollArea::viewportEvent(e); | |
805 | } | |
806 | } | |
807 | ||
e314eca4 | 808 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 809 | { |
d7c0ca4a | 810 | update_layout(); |
adb4b10c JH |
811 | } |
812 | ||
6e2c3c85 | 813 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
814 | { |
815 | if (label) | |
8dbbc7f0 | 816 | header_->update(); |
32218d3e | 817 | if (content) |
8dbbc7f0 | 818 | viewport_->update(); |
32218d3e JH |
819 | } |
820 | ||
98cfe4e8 JH |
821 | void View::time_item_appearance_changed(bool label, bool content) |
822 | { | |
823 | if (label) | |
819e2e95 | 824 | ruler_->update(); |
98cfe4e8 JH |
825 | if (content) |
826 | viewport_->update(); | |
827 | } | |
828 | ||
32218d3e JH |
829 | void View::extents_changed(bool horz, bool vert) |
830 | { | |
8dbbc7f0 | 831 | sticky_events_ |= |
af503b10 JH |
832 | (horz ? TraceTreeItemHExtentsChanged : 0) | |
833 | (vert ? TraceTreeItemVExtentsChanged : 0); | |
8dbbc7f0 | 834 | lazy_event_handler_.start(); |
32218d3e JH |
835 | } |
836 | ||
b16907d3 | 837 | void View::h_scroll_value_changed(int value) |
adb4b10c | 838 | { |
8dbbc7f0 | 839 | if (updating_scroll_) |
528bd8a1 JH |
840 | return; |
841 | ||
c7b03d9d SA |
842 | // Disable sticky scrolling when user moves the horizontal scroll bar |
843 | // during a running acquisition | |
844 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
845 | sticky_scrolling_ = false; | |
846 | sticky_scrolling_changed(false); | |
847 | } | |
848 | ||
f25770e2 | 849 | const int range = horizontalScrollBar()->maximum(); |
333d5bbc | 850 | if (range < MaxScrollValue) |
4b0af0b6 | 851 | set_offset(scale_ * value); |
f25770e2 | 852 | else { |
60d9b99a JS |
853 | double length = 0; |
854 | Timestamp offset; | |
f25770e2 | 855 | get_scroll_layout(length, offset); |
4b0af0b6 | 856 | set_offset(scale_ * length * value / MaxScrollValue); |
f25770e2 JH |
857 | } |
858 | ||
8dbbc7f0 | 859 | ruler_->update(); |
8dbbc7f0 | 860 | viewport_->update(); |
adb4b10c JH |
861 | } |
862 | ||
f8400017 | 863 | void View::v_scroll_value_changed() |
adb4b10c | 864 | { |
8dbbc7f0 JH |
865 | header_->update(); |
866 | viewport_->update(); | |
adb4b10c JH |
867 | } |
868 | ||
69dd2b03 JH |
869 | void View::signals_changed() |
870 | { | |
af503b10 | 871 | vector< shared_ptr<TraceTreeItem> > new_top_level_items; |
68b21a71 | 872 | |
e37e05f7 JH |
873 | const auto device = session_.device(); |
874 | if (!device) | |
875 | return; | |
876 | ||
877 | shared_ptr<sigrok::Device> sr_dev = device->device(); | |
878 | assert(sr_dev); | |
448a72cf | 879 | |
cf124e47 JH |
880 | // Make a list of traces that are being added, and a list of traces |
881 | // that are being removed | |
364d2155 JH |
882 | const vector<shared_ptr<Trace>> prev_trace_list = list_by_type<Trace>(); |
883 | const set<shared_ptr<Trace>> prev_traces( | |
884 | prev_trace_list.begin(), prev_trace_list.end()); | |
448a72cf | 885 | |
bf914698 | 886 | const unordered_set< shared_ptr<Signal> > sigs(session_.signals()); |
448a72cf | 887 | |
cf124e47 JH |
888 | set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end()); |
889 | ||
890 | #ifdef ENABLE_DECODE | |
891 | const vector< shared_ptr<DecodeTrace> > decode_traces( | |
892 | session().get_decode_signals()); | |
893 | traces.insert(decode_traces.begin(), decode_traces.end()); | |
894 | #endif | |
895 | ||
896 | set< shared_ptr<Trace> > add_traces; | |
897 | set_difference(traces.begin(), traces.end(), | |
898 | prev_traces.begin(), prev_traces.end(), | |
899 | inserter(add_traces, add_traces.begin())); | |
900 | ||
901 | set< shared_ptr<Trace> > remove_traces; | |
902 | set_difference(prev_traces.begin(), prev_traces.end(), | |
903 | traces.begin(), traces.end(), | |
904 | inserter(remove_traces, remove_traces.begin())); | |
905 | ||
906 | // Make a look-up table of sigrok Channels to pulseview Signals | |
907 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
908 | signal_map; | |
448a72cf JH |
909 | for (const shared_ptr<Signal> &sig : sigs) |
910 | signal_map[sig->channel()] = sig; | |
911 | ||
912 | // Populate channel groups | |
e37e05f7 | 913 | for (auto entry : sr_dev->channel_groups()) |
448a72cf JH |
914 | { |
915 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
916 | ||
917 | if (group->channels().size() <= 1) | |
918 | continue; | |
919 | ||
cf124e47 | 920 | // Find best trace group to add to |
af503b10 | 921 | TraceTreeItemOwner *owner = find_prevalent_trace_group( |
cf124e47 | 922 | group, signal_map); |
448a72cf | 923 | |
cf124e47 JH |
924 | // If there is no trace group, create one |
925 | shared_ptr<TraceGroup> new_trace_group; | |
926 | if (!owner) { | |
927 | new_trace_group.reset(new TraceGroup()); | |
928 | owner = new_trace_group.get(); | |
929 | } | |
448a72cf | 930 | |
cf124e47 JH |
931 | // Extract traces for the trace group, removing them from |
932 | // the add list | |
933 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
934 | extract_new_traces_for_channels(group->channels(), | |
935 | signal_map, add_traces); | |
936 | ||
937 | // Add the traces to the group | |
938 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
939 | int offset = prev_v_extents.second - prev_v_extents.first; | |
940 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
941 | assert(trace); | |
942 | owner->add_child_item(trace); | |
943 | ||
944 | const pair<int, int> extents = trace->v_extents(); | |
945 | if (trace->enabled()) | |
946 | offset += -extents.first; | |
947 | trace->force_to_v_offset(offset); | |
948 | if (trace->enabled()) | |
949 | offset += extents.second; | |
950 | } | |
68b21a71 | 951 | |
cf124e47 JH |
952 | // If this is a new group, enqueue it in the new top level |
953 | // items list | |
954 | if (!new_traces_in_group.empty() && new_trace_group) | |
955 | new_top_level_items.push_back(new_trace_group); | |
448a72cf JH |
956 | } |
957 | ||
cf124e47 JH |
958 | // Enqueue the remaining channels as free ungrouped traces |
959 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
960 | extract_new_traces_for_channels(sr_dev->channels(), | |
961 | signal_map, add_traces); | |
962 | new_top_level_items.insert(new_top_level_items.end(), | |
963 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
964 | ||
965 | // Enqueue any remaining traces i.e. decode traces | |
966 | new_top_level_items.insert(new_top_level_items.end(), | |
967 | add_traces.begin(), add_traces.end()); | |
968 | ||
969 | // Remove any removed traces | |
970 | for (shared_ptr<Trace> trace : remove_traces) { | |
af503b10 | 971 | TraceTreeItemOwner *const owner = trace->owner(); |
cf124e47 JH |
972 | assert(owner); |
973 | owner->remove_child_item(trace); | |
974 | } | |
448a72cf | 975 | |
cf124e47 JH |
976 | // Add and position the pending top levels items |
977 | for (auto item : new_top_level_items) { | |
978 | add_child_item(item); | |
979 | ||
980 | // Position the item after the last present item | |
981 | int offset = v_extents().second; | |
982 | const pair<int, int> extents = item->v_extents(); | |
983 | if (item->enabled()) | |
984 | offset += -extents.first; | |
985 | item->force_to_v_offset(offset); | |
986 | if (item->enabled()) | |
987 | offset += extents.second; | |
ef8311a4 JH |
988 | } |
989 | ||
a6c1726e | 990 | update_layout(); |
cf124e47 JH |
991 | |
992 | header_->update(); | |
993 | viewport_->update(); | |
69dd2b03 JH |
994 | } |
995 | ||
7ee199a7 | 996 | void View::capture_state_updated(int state) |
adb4b10c | 997 | { |
7ee199a7 | 998 | if (state == Session::Running) |
4b0af0b6 | 999 | set_time_unit(util::TimeUnit::Samples); |
fd03a279 SA |
1000 | |
1001 | if (state == Session::Stopped) { | |
1002 | // After acquisition has stopped we need to re-calculate the ticks once | |
1003 | // as it's otherwise done when the user pans or zooms, which is too late | |
1004 | calculate_tick_spacing(); | |
1005 | ||
1006 | // Reset "always zoom to fit", the acquisition has stopped | |
1007 | if (always_zoom_to_fit_) { | |
1008 | always_zoom_to_fit_ = false; | |
1009 | always_zoom_to_fit_changed(false); | |
1010 | } | |
1011 | } | |
7ee199a7 SA |
1012 | } |
1013 | ||
1014 | void View::data_updated() | |
1015 | { | |
ce11b2ea | 1016 | if (always_zoom_to_fit_ || sticky_scrolling_) { |
c7b03d9d SA |
1017 | if (!delayed_view_updater_.isActive()) |
1018 | delayed_view_updater_.start(); | |
1019 | } else { | |
ef454ad5 | 1020 | determine_time_unit(); |
c7b03d9d SA |
1021 | update_scroll(); |
1022 | ruler_->update(); | |
1023 | viewport_->update(); | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | void View::perform_delayed_view_update() | |
1028 | { | |
ce11b2ea SA |
1029 | if (always_zoom_to_fit_) |
1030 | zoom_fit(true); | |
1031 | ||
c7b03d9d SA |
1032 | if (sticky_scrolling_) { |
1033 | // Make right side of the view sticky | |
60d9b99a JS |
1034 | double length = 0; |
1035 | Timestamp offset; | |
c7b03d9d SA |
1036 | get_scroll_layout(length, offset); |
1037 | ||
1038 | const QSize areaSize = viewport_->size(); | |
1039 | length = max(length - areaSize.width(), 0.0); | |
1040 | ||
4b0af0b6 | 1041 | set_offset(scale_ * length); |
c7b03d9d | 1042 | } |
adb4b10c | 1043 | |
ef454ad5 | 1044 | determine_time_unit(); |
c7b03d9d SA |
1045 | update_scroll(); |
1046 | ruler_->update(); | |
8dbbc7f0 | 1047 | viewport_->update(); |
adb4b10c | 1048 | } |
cdf7bea7 | 1049 | |
32218d3e | 1050 | void View::process_sticky_events() |
d7c0ca4a | 1051 | { |
af503b10 | 1052 | if (sticky_events_ & TraceTreeItemHExtentsChanged) |
32218d3e | 1053 | update_layout(); |
af503b10 JH |
1054 | if (sticky_events_ & TraceTreeItemVExtentsChanged) { |
1055 | restack_all_trace_tree_items(); | |
f15bb3bc JH |
1056 | update_scroll(); |
1057 | } | |
32218d3e JH |
1058 | |
1059 | // Clear the sticky events | |
8dbbc7f0 | 1060 | sticky_events_ = 0; |
d7c0ca4a JH |
1061 | } |
1062 | ||
33c62f44 JH |
1063 | void View::on_hover_point_changed() |
1064 | { | |
cc88566c JH |
1065 | const vector<shared_ptr<TraceTreeItem>> trace_tree_items( |
1066 | list_by_type<TraceTreeItem>()); | |
1067 | for (shared_ptr<TraceTreeItem> r : trace_tree_items) | |
eae6e30a | 1068 | r->hover_point_changed(); |
33c62f44 JH |
1069 | } |
1070 | ||
cdf7bea7 JH |
1071 | } // namespace view |
1072 | } // namespace pv |