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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 | |
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 | |
361c560e | 35 | #include <QApplication> |
adb4b10c | 36 | #include <QEvent> |
361c560e | 37 | #include <QFontMetrics> |
cbd80f64 | 38 | #include <QMouseEvent> |
adb4b10c JH |
39 | #include <QScrollBar> |
40 | ||
fe3a1c21 | 41 | #include <libsigrokcxx/libsigrokcxx.hpp> |
448a72cf | 42 | |
2acdb232 JH |
43 | #include "decodetrace.hpp" |
44 | #include "header.hpp" | |
45 | #include "logicsignal.hpp" | |
46 | #include "ruler.hpp" | |
47 | #include "signal.hpp" | |
48 | #include "tracegroup.hpp" | |
49 | #include "view.hpp" | |
50 | #include "viewport.hpp" | |
adb4b10c | 51 | |
f65cd27b | 52 | #include "pv/session.hpp" |
da30ecb7 | 53 | #include "pv/devices/device.hpp" |
2acdb232 | 54 | #include "pv/data/logic.hpp" |
f3d66e52 | 55 | #include "pv/data/logicsegment.hpp" |
361c560e | 56 | #include "pv/util.hpp" |
adb4b10c | 57 | |
aca64cac JH |
58 | using boost::shared_lock; |
59 | using boost::shared_mutex; | |
361c560e | 60 | |
1bc6525b | 61 | using pv::data::SignalData; |
f3d66e52 | 62 | using pv::data::Segment; |
361c560e JH |
63 | using pv::util::format_time; |
64 | ||
819f4c25 | 65 | using std::deque; |
448a72cf | 66 | using std::dynamic_pointer_cast; |
cf124e47 | 67 | using std::inserter; |
819f4c25 | 68 | using std::list; |
c3a740dd | 69 | using std::lock_guard; |
819f4c25 | 70 | using std::max; |
1bc6525b | 71 | using std::make_pair; |
819f4c25 | 72 | using std::min; |
1bc6525b | 73 | using std::pair; |
819f4c25 | 74 | using std::set; |
cf124e47 | 75 | using std::set_difference; |
f9abf97e | 76 | using std::shared_ptr; |
448a72cf | 77 | using std::unordered_map; |
7ff0145f | 78 | using std::unordered_set; |
819f4c25 | 79 | using std::vector; |
f9abf97e | 80 | using std::weak_ptr; |
adb4b10c | 81 | |
cdf7bea7 JH |
82 | namespace pv { |
83 | namespace view { | |
adb4b10c | 84 | |
cdf7bea7 JH |
85 | const double View::MaxScale = 1e9; |
86 | const double View::MinScale = 1e-15; | |
adb4b10c | 87 | |
f25770e2 JH |
88 | const int View::MaxScrollValue = INT_MAX / 2; |
89 | ||
361c560e JH |
90 | const int View::ScaleUnits[3] = {1, 2, 5}; |
91 | ||
2b81ae46 | 92 | View::View(Session &session, QWidget *parent) : |
adb4b10c | 93 | QAbstractScrollArea(parent), |
8dbbc7f0 JH |
94 | session_(session), |
95 | viewport_(new Viewport(*this)), | |
96 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 97 | header_(new Header(*this)), |
c0100b55 | 98 | scale_(1e-3), |
8dbbc7f0 | 99 | offset_(0), |
8dbbc7f0 | 100 | updating_scroll_(false), |
361c560e JH |
101 | tick_period_(0.0), |
102 | tick_prefix_(0), | |
8dbbc7f0 | 103 | show_cursors_(false), |
5c5ce757 | 104 | cursors_(new CursorPair(*this)), |
8914fe79 | 105 | next_flag_text_('A'), |
8dbbc7f0 | 106 | hover_point_(-1, -1) |
adb4b10c | 107 | { |
b16907d3 JH |
108 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), |
109 | this, SLOT(h_scroll_value_changed(int))); | |
adb4b10c | 110 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 111 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 112 | |
8dbbc7f0 | 113 | connect(&session_, SIGNAL(signals_changed()), |
69dd2b03 | 114 | this, SLOT(signals_changed())); |
8dbbc7f0 | 115 | connect(&session_, SIGNAL(capture_state_changed(int)), |
50f97924 | 116 | this, SLOT(data_updated())); |
8dbbc7f0 | 117 | connect(&session_, SIGNAL(data_received()), |
1f374035 | 118 | this, SLOT(data_updated())); |
8dbbc7f0 | 119 | connect(&session_, SIGNAL(frame_ended()), |
adb4b10c | 120 | this, SLOT(data_updated())); |
1d8dca91 | 121 | |
8dbbc7f0 | 122 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
123 | ruler_, SLOT(clear_selection())); |
124 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 125 | header_, SLOT(clear_selection())); |
17348f85 | 126 | |
8dbbc7f0 | 127 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 128 | this, SIGNAL(selection_changed())); |
819e2e95 | 129 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
130 | this, SIGNAL(selection_changed())); |
131 | ||
33c62f44 JH |
132 | connect(this, SIGNAL(hover_point_changed()), |
133 | this, SLOT(on_hover_point_changed())); | |
134 | ||
8dbbc7f0 | 135 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 136 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 137 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 138 | |
8dbbc7f0 | 139 | setViewport(viewport_); |
cbd80f64 | 140 | |
8dbbc7f0 JH |
141 | viewport_->installEventFilter(this); |
142 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 143 | header_->installEventFilter(this); |
d873f4d6 | 144 | |
9f46d905 JH |
145 | // Trigger the initial event manually. The default device has signals |
146 | // which were created before this object came into being | |
d873f4d6 | 147 | signals_changed(); |
84a0d458 | 148 | |
512bfc56 | 149 | // make sure the transparent widgets are on the top |
819e2e95 | 150 | ruler_->raise(); |
8dbbc7f0 | 151 | header_->raise(); |
361c560e JH |
152 | |
153 | // Update the zoom state | |
154 | calculate_tick_spacing(); | |
adb4b10c JH |
155 | } |
156 | ||
2b81ae46 | 157 | Session& View::session() |
1d19ef83 | 158 | { |
8dbbc7f0 | 159 | return session_; |
1d19ef83 JH |
160 | } |
161 | ||
2b81ae46 | 162 | const Session& View::session() const |
38eeddea | 163 | { |
8dbbc7f0 | 164 | return session_; |
38eeddea JH |
165 | } |
166 | ||
eae6e30a JH |
167 | View* View::view() |
168 | { | |
169 | return this; | |
170 | } | |
171 | ||
172 | const View* View::view() const | |
173 | { | |
174 | return this; | |
175 | } | |
176 | ||
2ae445ba SA |
177 | Viewport* View::viewport() |
178 | { | |
8dbbc7f0 | 179 | return viewport_; |
2ae445ba SA |
180 | } |
181 | ||
182 | const Viewport* View::viewport() const | |
183 | { | |
8dbbc7f0 | 184 | return viewport_; |
2ae445ba SA |
185 | } |
186 | ||
2496bf45 JH |
187 | vector< shared_ptr<TimeItem> > View::time_items() const |
188 | { | |
8914fe79 JH |
189 | const vector<shared_ptr<Flag>> f(flags()); |
190 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 191 | items.push_back(cursors_); |
5c5ce757 JH |
192 | items.push_back(cursors_->first()); |
193 | items.push_back(cursors_->second()); | |
2496bf45 JH |
194 | return items; |
195 | } | |
196 | ||
cdf7bea7 | 197 | double View::scale() const |
adb4b10c | 198 | { |
8dbbc7f0 | 199 | return scale_; |
adb4b10c JH |
200 | } |
201 | ||
cdf7bea7 | 202 | double View::offset() const |
adb4b10c | 203 | { |
8dbbc7f0 | 204 | return offset_; |
adb4b10c JH |
205 | } |
206 | ||
7ff0145f | 207 | int View::owner_visual_v_offset() const |
adb4b10c | 208 | { |
f8400017 | 209 | return -verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
210 | } |
211 | ||
4d476647 JH |
212 | void View::set_v_offset(int offset) |
213 | { | |
214 | verticalScrollBar()->setSliderPosition(offset); | |
215 | header_->update(); | |
216 | viewport_->update(); | |
217 | } | |
218 | ||
3e769a37 JH |
219 | unsigned int View::depth() const |
220 | { | |
221 | return 0; | |
222 | } | |
223 | ||
361c560e JH |
224 | unsigned int View::tick_prefix() const |
225 | { | |
226 | return tick_prefix_; | |
227 | } | |
228 | ||
229 | double View::tick_period() const | |
230 | { | |
231 | return tick_period_; | |
232 | } | |
233 | ||
cdf7bea7 | 234 | void View::zoom(double steps) |
adb4b10c | 235 | { |
8dbbc7f0 | 236 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
237 | } |
238 | ||
17c0f398 JH |
239 | void View::zoom(double steps, int offset) |
240 | { | |
8dbbc7f0 | 241 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
242 | } |
243 | ||
ca46b534 JH |
244 | void View::zoom_fit() |
245 | { | |
1bc6525b JH |
246 | const pair<double, double> extents = get_time_extents(); |
247 | const double delta = extents.second - extents.first; | |
248 | if (delta < 1e-12) | |
ca46b534 JH |
249 | return; |
250 | ||
8dbbc7f0 JH |
251 | assert(viewport_); |
252 | const int w = viewport_->width(); | |
ca46b534 JH |
253 | if (w <= 0) |
254 | return; | |
255 | ||
78311127 JH |
256 | const double scale = max(min(delta / w, MaxScale), MinScale); |
257 | set_scale_offset(scale, extents.first); | |
ca46b534 JH |
258 | } |
259 | ||
d1e7d82c JH |
260 | void View::zoom_one_to_one() |
261 | { | |
262 | using pv::data::SignalData; | |
263 | ||
d1e7d82c | 264 | // Make a set of all the visible data objects |
0fc664a9 | 265 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
266 | if (visible_data.empty()) |
267 | return; | |
268 | ||
269 | double samplerate = 0.0; | |
d9aecf1f | 270 | for (const shared_ptr<SignalData> d : visible_data) { |
d1e7d82c | 271 | assert(d); |
f3d66e52 JH |
272 | const vector< shared_ptr<Segment> > segments = |
273 | d->segments(); | |
274 | for (const shared_ptr<Segment> &s : segments) | |
ff008de6 | 275 | samplerate = max(samplerate, s->samplerate()); |
d1e7d82c JH |
276 | } |
277 | ||
278 | if (samplerate == 0.0) | |
279 | return; | |
280 | ||
8dbbc7f0 JH |
281 | assert(viewport_); |
282 | const int w = viewport_->width(); | |
d1e7d82c JH |
283 | if (w <= 0) |
284 | return; | |
285 | ||
286 | set_zoom(1.0 / samplerate, w / 2); | |
287 | } | |
288 | ||
cdf7bea7 | 289 | void View::set_scale_offset(double scale, double offset) |
adb4b10c | 290 | { |
8dbbc7f0 JH |
291 | scale_ = scale; |
292 | offset_ = offset; | |
ccdd3ef5 | 293 | |
361c560e JH |
294 | calculate_tick_spacing(); |
295 | ||
adb4b10c | 296 | update_scroll(); |
8dbbc7f0 | 297 | ruler_->update(); |
8dbbc7f0 | 298 | viewport_->update(); |
e0fc5810 | 299 | scale_offset_changed(); |
adb4b10c JH |
300 | } |
301 | ||
1bc6525b JH |
302 | set< shared_ptr<SignalData> > View::get_visible_data() const |
303 | { | |
aca64cac | 304 | shared_lock<shared_mutex> lock(session().signals_mutex()); |
78b0af3e | 305 | const unordered_set< shared_ptr<Signal> > &sigs(session().signals()); |
1bc6525b JH |
306 | |
307 | // Make a set of all the visible data objects | |
308 | set< shared_ptr<SignalData> > visible_data; | |
d9aecf1f | 309 | for (const shared_ptr<Signal> sig : sigs) |
1bc6525b JH |
310 | if (sig->enabled()) |
311 | visible_data.insert(sig->data()); | |
312 | ||
313 | return visible_data; | |
314 | } | |
315 | ||
316 | pair<double, double> View::get_time_extents() const | |
317 | { | |
1bc6525b | 318 | double left_time = DBL_MAX, right_time = DBL_MIN; |
7f4038d6 | 319 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d9aecf1f | 320 | for (const shared_ptr<SignalData> d : visible_data) |
1bc6525b | 321 | { |
f3d66e52 JH |
322 | const vector< shared_ptr<Segment> > segments = |
323 | d->segments(); | |
324 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
325 | double samplerate = s->samplerate(); |
326 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
327 | ||
7f4038d6 JH |
328 | const double start_time = s->start_time(); |
329 | left_time = min(left_time, start_time); | |
330 | right_time = max(right_time, start_time + | |
e45b13b5 | 331 | d->max_sample_count() / samplerate); |
7f4038d6 | 332 | } |
1bc6525b JH |
333 | } |
334 | ||
7f4038d6 JH |
335 | if (left_time == DBL_MAX && right_time == DBL_MIN) |
336 | return make_pair(0.0, 0.0); | |
337 | ||
1bc6525b JH |
338 | assert(left_time < right_time); |
339 | return make_pair(left_time, right_time); | |
340 | } | |
341 | ||
f76af637 JH |
342 | bool View::cursors_shown() const |
343 | { | |
8dbbc7f0 | 344 | return show_cursors_; |
f76af637 JH |
345 | } |
346 | ||
347 | void View::show_cursors(bool show) | |
348 | { | |
8dbbc7f0 | 349 | show_cursors_ = show; |
819e2e95 | 350 | ruler_->update(); |
8dbbc7f0 | 351 | viewport_->update(); |
f76af637 JH |
352 | } |
353 | ||
b4d91e56 JH |
354 | void View::centre_cursors() |
355 | { | |
8dbbc7f0 | 356 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
357 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
358 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 359 | ruler_->update(); |
8dbbc7f0 | 360 | viewport_->update(); |
b4d91e56 JH |
361 | } |
362 | ||
5c5ce757 | 363 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 364 | { |
8dbbc7f0 | 365 | return cursors_; |
58864c5c JH |
366 | } |
367 | ||
8914fe79 JH |
368 | void View::add_flag(double time) |
369 | { | |
370 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
371 | QString("%1").arg(next_flag_text_)))); | |
372 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : | |
373 | (next_flag_text_ + 1); | |
374 | time_item_appearance_changed(true, true); | |
375 | } | |
376 | ||
377 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
378 | { | |
379 | flags_.remove(flag); | |
380 | time_item_appearance_changed(true, true); | |
381 | } | |
382 | ||
383 | vector< std::shared_ptr<Flag> > View::flags() const | |
384 | { | |
385 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
386 | stable_sort(flags.begin(), flags.end(), | |
387 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
388 | return a->time() < b->time(); | |
389 | }); | |
390 | ||
391 | return flags; | |
392 | } | |
393 | ||
cbd80f64 JH |
394 | const QPoint& View::hover_point() const |
395 | { | |
8dbbc7f0 | 396 | return hover_point_; |
cbd80f64 JH |
397 | } |
398 | ||
9cef9567 JH |
399 | void View::update_viewport() |
400 | { | |
8dbbc7f0 JH |
401 | assert(viewport_); |
402 | viewport_->update(); | |
403 | header_->update(); | |
7ff0145f JH |
404 | } |
405 | ||
406 | void View::restack_all_row_items() | |
407 | { | |
873cbed0 JH |
408 | // Make a list of owners that is sorted from deepest first |
409 | const auto owners = list_row_item_owners(); | |
7ff0145f JH |
410 | vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end()); |
411 | sort(sorted_owners.begin(), sorted_owners.end(), | |
412 | [](const RowItemOwner* a, const RowItemOwner *b) { | |
413 | return a->depth() > b->depth(); }); | |
414 | ||
415 | // Restack the items recursively | |
416 | for (auto &o : sorted_owners) | |
417 | o->restack_items(); | |
418 | ||
419 | // Animate the items to their destination | |
420 | for (const auto &r : *this) | |
421 | r->animate_to_layout_v_offset(); | |
9cef9567 JH |
422 | } |
423 | ||
f25770e2 JH |
424 | void View::get_scroll_layout(double &length, double &offset) const |
425 | { | |
1bc6525b | 426 | const pair<double, double> extents = get_time_extents(); |
8dbbc7f0 JH |
427 | length = (extents.second - extents.first) / scale_; |
428 | offset = offset_ / scale_; | |
f25770e2 JH |
429 | } |
430 | ||
d1e7d82c JH |
431 | void View::set_zoom(double scale, int offset) |
432 | { | |
8dbbc7f0 | 433 | const double cursor_offset = offset_ + scale_ * offset; |
d1e7d82c JH |
434 | const double new_scale = max(min(scale, MaxScale), MinScale); |
435 | const double new_offset = cursor_offset - new_scale * offset; | |
436 | set_scale_offset(new_scale, new_offset); | |
437 | } | |
438 | ||
361c560e JH |
439 | void View::calculate_tick_spacing() |
440 | { | |
441 | const double SpacingIncrement = 32.0f; | |
442 | const double MinValueSpacing = 32.0f; | |
443 | ||
444 | double min_width = SpacingIncrement, typical_width; | |
445 | ||
446 | QFontMetrics m(QApplication::font()); | |
447 | ||
448 | do { | |
449 | const double min_period = scale_ * min_width; | |
450 | ||
451 | const int order = (int)floorf(log10f(min_period)); | |
452 | const double order_decimal = pow(10.0, order); | |
453 | ||
454 | unsigned int unit = 0; | |
455 | ||
456 | do { | |
457 | tick_period_ = order_decimal * ScaleUnits[unit++]; | |
458 | } while (tick_period_ < min_period && | |
459 | unit < countof(ScaleUnits)); | |
460 | ||
461 | tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3; | |
462 | ||
463 | typical_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
464 | Qt::AlignLeft | Qt::AlignTop, | |
465 | format_time(offset_, tick_prefix_)).width() + | |
466 | MinValueSpacing; | |
467 | ||
468 | min_width += SpacingIncrement; | |
469 | ||
470 | } while(typical_width > tick_period_ / scale_); | |
471 | } | |
472 | ||
cdf7bea7 | 473 | void View::update_scroll() |
adb4b10c | 474 | { |
8dbbc7f0 | 475 | assert(viewport_); |
adb4b10c | 476 | |
8dbbc7f0 | 477 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
478 | |
479 | // Set the horizontal scroll bar | |
480 | double length = 0, offset = 0; | |
f25770e2 JH |
481 | get_scroll_layout(length, offset); |
482 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 483 | |
d7aae647 SA |
484 | int major_tick_distance = tick_period_ / scale_; |
485 | ||
b4ef7f2a | 486 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); |
d7aae647 | 487 | horizontalScrollBar()->setSingleStep(major_tick_distance); |
f25770e2 | 488 | |
8dbbc7f0 | 489 | updating_scroll_ = true; |
528bd8a1 | 490 | |
333d5bbc | 491 | if (length < MaxScrollValue) { |
f25770e2 JH |
492 | horizontalScrollBar()->setRange(0, length); |
493 | horizontalScrollBar()->setSliderPosition(offset); | |
494 | } else { | |
495 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
496 | horizontalScrollBar()->setSliderPosition( | |
8dbbc7f0 | 497 | offset_ * MaxScrollValue / (scale_ * length)); |
f25770e2 | 498 | } |
adb4b10c | 499 | |
8dbbc7f0 | 500 | updating_scroll_ = false; |
528bd8a1 | 501 | |
adb4b10c JH |
502 | // Set the vertical scrollbar |
503 | verticalScrollBar()->setPageStep(areaSize.height()); | |
65c34596 | 504 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); |
a5d93c27 JH |
505 | |
506 | const pair<int, int> extents = v_extents(); | |
f1d9ac67 SA |
507 | verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2), |
508 | extents.second - (areaSize.height() / 2)); | |
adb4b10c JH |
509 | } |
510 | ||
d7c0ca4a JH |
511 | void View::update_layout() |
512 | { | |
512bfc56 | 513 | setViewportMargins( |
8dbbc7f0 JH |
514 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, |
515 | ruler_->sizeHint().height(), 0, 0); | |
516 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 517 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 518 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 519 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
520 | update_scroll(); |
521 | } | |
522 | ||
b3f44329 | 523 | void View::paint_label(QPainter &p, const QRect &rect, bool hover) |
eae6e30a JH |
524 | { |
525 | (void)p; | |
b3f44329 | 526 | (void)rect; |
eae6e30a JH |
527 | (void)hover; |
528 | } | |
529 | ||
b3f44329 | 530 | QRectF View::label_rect(const QRectF &rect) |
eae6e30a | 531 | { |
b3f44329 | 532 | (void)rect; |
eae6e30a JH |
533 | return QRectF(); |
534 | } | |
535 | ||
cf124e47 JH |
536 | RowItemOwner* View::find_prevalent_trace_group( |
537 | const shared_ptr<sigrok::ChannelGroup> &group, | |
538 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
539 | &signal_map) | |
448a72cf | 540 | { |
cf124e47 | 541 | assert(group); |
448a72cf | 542 | |
cf124e47 JH |
543 | unordered_set<RowItemOwner*> owners; |
544 | vector<RowItemOwner*> owner_list; | |
448a72cf | 545 | |
cf124e47 JH |
546 | // Make a set and a list of all the owners |
547 | for (const auto &channel : group->channels()) { | |
448a72cf | 548 | const auto iter = signal_map.find(channel); |
cf124e47 | 549 | if (iter == signal_map.end()) |
448a72cf JH |
550 | continue; |
551 | ||
cf124e47 JH |
552 | RowItemOwner *const o = (*iter).second->owner(); |
553 | owner_list.push_back(o); | |
554 | owners.insert(o); | |
555 | } | |
448a72cf | 556 | |
cf124e47 JH |
557 | // Iterate through the list of owners, and find the most prevalent |
558 | size_t max_prevalence = 0; | |
559 | RowItemOwner *prevalent_owner = nullptr; | |
560 | for (RowItemOwner *owner : owners) { | |
561 | const size_t prevalence = std::count_if( | |
562 | owner_list.begin(), owner_list.end(), | |
563 | [&](RowItemOwner *o) { return o == owner; }); | |
564 | if (prevalence > max_prevalence) { | |
565 | max_prevalence = prevalence; | |
566 | prevalent_owner = owner; | |
567 | } | |
448a72cf JH |
568 | } |
569 | ||
cf124e47 | 570 | return prevalent_owner; |
448a72cf JH |
571 | } |
572 | ||
cf124e47 JH |
573 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
574 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
575 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
576 | &signal_map, | |
577 | set< shared_ptr<Trace> > &add_list) | |
578 | { | |
579 | vector< shared_ptr<Trace> > filtered_traces; | |
580 | ||
581 | for (const auto &channel : channels) | |
582 | { | |
583 | const auto map_iter = signal_map.find(channel); | |
584 | if (map_iter == signal_map.end()) | |
585 | continue; | |
586 | ||
587 | shared_ptr<Trace> trace = (*map_iter).second; | |
588 | const auto list_iter = add_list.find(trace); | |
589 | if (list_iter == add_list.end()) | |
590 | continue; | |
591 | ||
592 | filtered_traces.push_back(trace); | |
593 | add_list.erase(list_iter); | |
594 | } | |
595 | ||
596 | return filtered_traces; | |
448a72cf JH |
597 | } |
598 | ||
cbd80f64 JH |
599 | bool View::eventFilter(QObject *object, QEvent *event) |
600 | { | |
601 | const QEvent::Type type = event->type(); | |
333d5bbc | 602 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
603 | |
604 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
605 | if (object == viewport_) |
606 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 607 | else if (object == ruler_) |
8dbbc7f0 JH |
608 | hover_point_ = QPoint(mouse_event->x(), 0); |
609 | else if (object == header_) | |
610 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 611 | else |
8dbbc7f0 | 612 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
613 | |
614 | hover_point_changed(); | |
615 | ||
333d5bbc | 616 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 617 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
618 | hover_point_changed(); |
619 | } | |
620 | ||
621 | return QObject::eventFilter(object, event); | |
622 | } | |
623 | ||
cdf7bea7 | 624 | bool View::viewportEvent(QEvent *e) |
adb4b10c JH |
625 | { |
626 | switch(e->type()) { | |
627 | case QEvent::Paint: | |
628 | case QEvent::MouseButtonPress: | |
629 | case QEvent::MouseButtonRelease: | |
630 | case QEvent::MouseButtonDblClick: | |
631 | case QEvent::MouseMove: | |
632 | case QEvent::Wheel: | |
4b4f1c0d MC |
633 | case QEvent::TouchBegin: |
634 | case QEvent::TouchUpdate: | |
635 | case QEvent::TouchEnd: | |
adb4b10c JH |
636 | return false; |
637 | ||
638 | default: | |
639 | return QAbstractScrollArea::viewportEvent(e); | |
640 | } | |
641 | } | |
642 | ||
e314eca4 | 643 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 644 | { |
d7c0ca4a | 645 | update_layout(); |
adb4b10c JH |
646 | } |
647 | ||
6e2c3c85 | 648 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
649 | { |
650 | if (label) | |
8dbbc7f0 | 651 | header_->update(); |
32218d3e | 652 | if (content) |
8dbbc7f0 | 653 | viewport_->update(); |
32218d3e JH |
654 | } |
655 | ||
98cfe4e8 JH |
656 | void View::time_item_appearance_changed(bool label, bool content) |
657 | { | |
658 | if (label) | |
819e2e95 | 659 | ruler_->update(); |
98cfe4e8 JH |
660 | if (content) |
661 | viewport_->update(); | |
662 | } | |
663 | ||
32218d3e JH |
664 | void View::extents_changed(bool horz, bool vert) |
665 | { | |
8dbbc7f0 | 666 | sticky_events_ |= |
76fea660 JH |
667 | (horz ? RowItemHExtentsChanged : 0) | |
668 | (vert ? RowItemVExtentsChanged : 0); | |
8dbbc7f0 | 669 | lazy_event_handler_.start(); |
32218d3e JH |
670 | } |
671 | ||
b16907d3 | 672 | void View::h_scroll_value_changed(int value) |
adb4b10c | 673 | { |
8dbbc7f0 | 674 | if (updating_scroll_) |
528bd8a1 JH |
675 | return; |
676 | ||
f25770e2 | 677 | const int range = horizontalScrollBar()->maximum(); |
333d5bbc | 678 | if (range < MaxScrollValue) |
8dbbc7f0 | 679 | offset_ = scale_ * value; |
f25770e2 JH |
680 | else { |
681 | double length = 0, offset; | |
682 | get_scroll_layout(length, offset); | |
8dbbc7f0 | 683 | offset_ = scale_ * length * value / MaxScrollValue; |
f25770e2 JH |
684 | } |
685 | ||
8dbbc7f0 | 686 | ruler_->update(); |
8dbbc7f0 | 687 | viewport_->update(); |
adb4b10c JH |
688 | } |
689 | ||
f8400017 | 690 | void View::v_scroll_value_changed() |
adb4b10c | 691 | { |
8dbbc7f0 JH |
692 | header_->update(); |
693 | viewport_->update(); | |
adb4b10c JH |
694 | } |
695 | ||
69dd2b03 JH |
696 | void View::signals_changed() |
697 | { | |
cf124e47 | 698 | vector< shared_ptr<RowItem> > new_top_level_items; |
68b21a71 | 699 | |
e37e05f7 JH |
700 | const auto device = session_.device(); |
701 | if (!device) | |
702 | return; | |
703 | ||
704 | shared_ptr<sigrok::Device> sr_dev = device->device(); | |
705 | assert(sr_dev); | |
448a72cf | 706 | |
cf124e47 JH |
707 | // Make a list of traces that are being added, and a list of traces |
708 | // that are being removed | |
709 | const set<shared_ptr<Trace>> prev_traces = list_by_type<Trace>(); | |
448a72cf | 710 | |
8dbbc7f0 | 711 | shared_lock<shared_mutex> lock(session_.signals_mutex()); |
78b0af3e | 712 | const unordered_set< shared_ptr<Signal> > &sigs(session_.signals()); |
448a72cf | 713 | |
cf124e47 JH |
714 | set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end()); |
715 | ||
716 | #ifdef ENABLE_DECODE | |
717 | const vector< shared_ptr<DecodeTrace> > decode_traces( | |
718 | session().get_decode_signals()); | |
719 | traces.insert(decode_traces.begin(), decode_traces.end()); | |
720 | #endif | |
721 | ||
722 | set< shared_ptr<Trace> > add_traces; | |
723 | set_difference(traces.begin(), traces.end(), | |
724 | prev_traces.begin(), prev_traces.end(), | |
725 | inserter(add_traces, add_traces.begin())); | |
726 | ||
727 | set< shared_ptr<Trace> > remove_traces; | |
728 | set_difference(prev_traces.begin(), prev_traces.end(), | |
729 | traces.begin(), traces.end(), | |
730 | inserter(remove_traces, remove_traces.begin())); | |
731 | ||
732 | // Make a look-up table of sigrok Channels to pulseview Signals | |
733 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
734 | signal_map; | |
448a72cf JH |
735 | for (const shared_ptr<Signal> &sig : sigs) |
736 | signal_map[sig->channel()] = sig; | |
737 | ||
738 | // Populate channel groups | |
e37e05f7 | 739 | for (auto entry : sr_dev->channel_groups()) |
448a72cf JH |
740 | { |
741 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
742 | ||
743 | if (group->channels().size() <= 1) | |
744 | continue; | |
745 | ||
cf124e47 JH |
746 | // Find best trace group to add to |
747 | RowItemOwner *owner = find_prevalent_trace_group( | |
748 | group, signal_map); | |
448a72cf | 749 | |
cf124e47 JH |
750 | // If there is no trace group, create one |
751 | shared_ptr<TraceGroup> new_trace_group; | |
752 | if (!owner) { | |
753 | new_trace_group.reset(new TraceGroup()); | |
754 | owner = new_trace_group.get(); | |
755 | } | |
448a72cf | 756 | |
cf124e47 JH |
757 | // Extract traces for the trace group, removing them from |
758 | // the add list | |
759 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
760 | extract_new_traces_for_channels(group->channels(), | |
761 | signal_map, add_traces); | |
762 | ||
763 | // Add the traces to the group | |
764 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
765 | int offset = prev_v_extents.second - prev_v_extents.first; | |
766 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
767 | assert(trace); | |
768 | owner->add_child_item(trace); | |
769 | ||
770 | const pair<int, int> extents = trace->v_extents(); | |
771 | if (trace->enabled()) | |
772 | offset += -extents.first; | |
773 | trace->force_to_v_offset(offset); | |
774 | if (trace->enabled()) | |
775 | offset += extents.second; | |
776 | } | |
68b21a71 | 777 | |
cf124e47 JH |
778 | // If this is a new group, enqueue it in the new top level |
779 | // items list | |
780 | if (!new_traces_in_group.empty() && new_trace_group) | |
781 | new_top_level_items.push_back(new_trace_group); | |
448a72cf JH |
782 | } |
783 | ||
cf124e47 JH |
784 | // Enqueue the remaining channels as free ungrouped traces |
785 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
786 | extract_new_traces_for_channels(sr_dev->channels(), | |
787 | signal_map, add_traces); | |
788 | new_top_level_items.insert(new_top_level_items.end(), | |
789 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
790 | ||
791 | // Enqueue any remaining traces i.e. decode traces | |
792 | new_top_level_items.insert(new_top_level_items.end(), | |
793 | add_traces.begin(), add_traces.end()); | |
794 | ||
795 | // Remove any removed traces | |
796 | for (shared_ptr<Trace> trace : remove_traces) { | |
797 | RowItemOwner *const owner = trace->owner(); | |
798 | assert(owner); | |
799 | owner->remove_child_item(trace); | |
800 | } | |
448a72cf | 801 | |
cf124e47 JH |
802 | // Add and position the pending top levels items |
803 | for (auto item : new_top_level_items) { | |
804 | add_child_item(item); | |
805 | ||
806 | // Position the item after the last present item | |
807 | int offset = v_extents().second; | |
808 | const pair<int, int> extents = item->v_extents(); | |
809 | if (item->enabled()) | |
810 | offset += -extents.first; | |
811 | item->force_to_v_offset(offset); | |
812 | if (item->enabled()) | |
813 | offset += extents.second; | |
ef8311a4 JH |
814 | } |
815 | ||
a6c1726e | 816 | update_layout(); |
cf124e47 JH |
817 | |
818 | header_->update(); | |
819 | viewport_->update(); | |
69dd2b03 JH |
820 | } |
821 | ||
cdf7bea7 | 822 | void View::data_updated() |
adb4b10c | 823 | { |
adb4b10c JH |
824 | // Update the scroll bars |
825 | update_scroll(); | |
826 | ||
827 | // Repaint the view | |
8dbbc7f0 | 828 | viewport_->update(); |
adb4b10c | 829 | } |
cdf7bea7 | 830 | |
32218d3e | 831 | void View::process_sticky_events() |
d7c0ca4a | 832 | { |
76fea660 | 833 | if (sticky_events_ & RowItemHExtentsChanged) |
32218d3e | 834 | update_layout(); |
f15bb3bc | 835 | if (sticky_events_ & RowItemVExtentsChanged) { |
7ff0145f | 836 | restack_all_row_items(); |
f15bb3bc JH |
837 | update_scroll(); |
838 | } | |
32218d3e JH |
839 | |
840 | // Clear the sticky events | |
8dbbc7f0 | 841 | sticky_events_ = 0; |
d7c0ca4a JH |
842 | } |
843 | ||
33c62f44 JH |
844 | void View::on_hover_point_changed() |
845 | { | |
aa59d5c2 | 846 | for (shared_ptr<RowItem> r : *this) |
eae6e30a | 847 | r->hover_point_changed(); |
33c62f44 JH |
848 | } |
849 | ||
cdf7bea7 JH |
850 | } // namespace view |
851 | } // namespace pv |