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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 | 88 | const int View::MaxScrollValue = INT_MAX / 2; |
c7b03d9d | 89 | const int View::MaxViewAutoUpdateRate = 25; // No more than 25 Hz |
f25770e2 | 90 | |
361c560e JH |
91 | const int View::ScaleUnits[3] = {1, 2, 5}; |
92 | ||
2b81ae46 | 93 | View::View(Session &session, QWidget *parent) : |
adb4b10c | 94 | QAbstractScrollArea(parent), |
8dbbc7f0 JH |
95 | session_(session), |
96 | viewport_(new Viewport(*this)), | |
97 | ruler_(new Ruler(*this)), | |
8dbbc7f0 | 98 | header_(new Header(*this)), |
c0100b55 | 99 | scale_(1e-3), |
8dbbc7f0 | 100 | offset_(0), |
8dbbc7f0 | 101 | updating_scroll_(false), |
c7b03d9d | 102 | sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui() |
361c560e JH |
103 | tick_period_(0.0), |
104 | tick_prefix_(0), | |
8dbbc7f0 | 105 | show_cursors_(false), |
5c5ce757 | 106 | cursors_(new CursorPair(*this)), |
8914fe79 | 107 | next_flag_text_('A'), |
8dbbc7f0 | 108 | hover_point_(-1, -1) |
adb4b10c | 109 | { |
b16907d3 JH |
110 | connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), |
111 | this, SLOT(h_scroll_value_changed(int))); | |
adb4b10c | 112 | connect(verticalScrollBar(), SIGNAL(valueChanged(int)), |
f8400017 | 113 | this, SLOT(v_scroll_value_changed())); |
69dd2b03 | 114 | |
8dbbc7f0 | 115 | connect(&session_, SIGNAL(signals_changed()), |
69dd2b03 | 116 | this, SLOT(signals_changed())); |
8dbbc7f0 | 117 | connect(&session_, SIGNAL(capture_state_changed(int)), |
50f97924 | 118 | this, SLOT(data_updated())); |
8dbbc7f0 | 119 | connect(&session_, SIGNAL(data_received()), |
1f374035 | 120 | this, SLOT(data_updated())); |
8dbbc7f0 | 121 | connect(&session_, SIGNAL(frame_ended()), |
adb4b10c | 122 | this, SLOT(data_updated())); |
1d8dca91 | 123 | |
8dbbc7f0 | 124 | connect(header_, SIGNAL(selection_changed()), |
819e2e95 JH |
125 | ruler_, SLOT(clear_selection())); |
126 | connect(ruler_, SIGNAL(selection_changed()), | |
8dbbc7f0 | 127 | header_, SLOT(clear_selection())); |
17348f85 | 128 | |
8dbbc7f0 | 129 | connect(header_, SIGNAL(selection_changed()), |
8b454527 | 130 | this, SIGNAL(selection_changed())); |
819e2e95 | 131 | connect(ruler_, SIGNAL(selection_changed()), |
8b454527 JH |
132 | this, SIGNAL(selection_changed())); |
133 | ||
33c62f44 JH |
134 | connect(this, SIGNAL(hover_point_changed()), |
135 | this, SLOT(on_hover_point_changed())); | |
136 | ||
8dbbc7f0 | 137 | connect(&lazy_event_handler_, SIGNAL(timeout()), |
32218d3e | 138 | this, SLOT(process_sticky_events())); |
8dbbc7f0 | 139 | lazy_event_handler_.setSingleShot(true); |
32218d3e | 140 | |
c7b03d9d SA |
141 | connect(&delayed_view_updater_, SIGNAL(timeout()), |
142 | this, SLOT(perform_delayed_view_update())); | |
143 | delayed_view_updater_.setSingleShot(true); | |
144 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
145 | ||
8dbbc7f0 | 146 | setViewport(viewport_); |
cbd80f64 | 147 | |
8dbbc7f0 JH |
148 | viewport_->installEventFilter(this); |
149 | ruler_->installEventFilter(this); | |
8dbbc7f0 | 150 | header_->installEventFilter(this); |
d873f4d6 | 151 | |
9f46d905 JH |
152 | // Trigger the initial event manually. The default device has signals |
153 | // which were created before this object came into being | |
d873f4d6 | 154 | signals_changed(); |
84a0d458 | 155 | |
512bfc56 | 156 | // make sure the transparent widgets are on the top |
819e2e95 | 157 | ruler_->raise(); |
8dbbc7f0 | 158 | header_->raise(); |
361c560e JH |
159 | |
160 | // Update the zoom state | |
161 | calculate_tick_spacing(); | |
adb4b10c JH |
162 | } |
163 | ||
2b81ae46 | 164 | Session& View::session() |
1d19ef83 | 165 | { |
8dbbc7f0 | 166 | return session_; |
1d19ef83 JH |
167 | } |
168 | ||
2b81ae46 | 169 | const Session& View::session() const |
38eeddea | 170 | { |
8dbbc7f0 | 171 | return session_; |
38eeddea JH |
172 | } |
173 | ||
eae6e30a JH |
174 | View* View::view() |
175 | { | |
176 | return this; | |
177 | } | |
178 | ||
179 | const View* View::view() const | |
180 | { | |
181 | return this; | |
182 | } | |
183 | ||
2ae445ba SA |
184 | Viewport* View::viewport() |
185 | { | |
8dbbc7f0 | 186 | return viewport_; |
2ae445ba SA |
187 | } |
188 | ||
189 | const Viewport* View::viewport() const | |
190 | { | |
8dbbc7f0 | 191 | return viewport_; |
2ae445ba SA |
192 | } |
193 | ||
2496bf45 JH |
194 | vector< shared_ptr<TimeItem> > View::time_items() const |
195 | { | |
8914fe79 JH |
196 | const vector<shared_ptr<Flag>> f(flags()); |
197 | vector<shared_ptr<TimeItem>> items(f.begin(), f.end()); | |
5a3e53f6 | 198 | items.push_back(cursors_); |
5c5ce757 JH |
199 | items.push_back(cursors_->first()); |
200 | items.push_back(cursors_->second()); | |
2496bf45 JH |
201 | return items; |
202 | } | |
203 | ||
cdf7bea7 | 204 | double View::scale() const |
adb4b10c | 205 | { |
8dbbc7f0 | 206 | return scale_; |
adb4b10c JH |
207 | } |
208 | ||
cdf7bea7 | 209 | double View::offset() const |
adb4b10c | 210 | { |
8dbbc7f0 | 211 | return offset_; |
adb4b10c JH |
212 | } |
213 | ||
7ff0145f | 214 | int View::owner_visual_v_offset() const |
adb4b10c | 215 | { |
f8400017 | 216 | return -verticalScrollBar()->sliderPosition(); |
adb4b10c JH |
217 | } |
218 | ||
4d476647 JH |
219 | void View::set_v_offset(int offset) |
220 | { | |
221 | verticalScrollBar()->setSliderPosition(offset); | |
222 | header_->update(); | |
223 | viewport_->update(); | |
224 | } | |
225 | ||
3e769a37 JH |
226 | unsigned int View::depth() const |
227 | { | |
228 | return 0; | |
229 | } | |
230 | ||
361c560e JH |
231 | unsigned int View::tick_prefix() const |
232 | { | |
233 | return tick_prefix_; | |
234 | } | |
235 | ||
236 | double View::tick_period() const | |
237 | { | |
238 | return tick_period_; | |
239 | } | |
240 | ||
cdf7bea7 | 241 | void View::zoom(double steps) |
adb4b10c | 242 | { |
8dbbc7f0 | 243 | zoom(steps, viewport_->width() / 2); |
adb4b10c JH |
244 | } |
245 | ||
17c0f398 JH |
246 | void View::zoom(double steps, int offset) |
247 | { | |
8dbbc7f0 | 248 | set_zoom(scale_ * pow(3.0/2.0, -steps), offset); |
17c0f398 JH |
249 | } |
250 | ||
ca46b534 JH |
251 | void View::zoom_fit() |
252 | { | |
1bc6525b JH |
253 | const pair<double, double> extents = get_time_extents(); |
254 | const double delta = extents.second - extents.first; | |
255 | if (delta < 1e-12) | |
ca46b534 JH |
256 | return; |
257 | ||
8dbbc7f0 JH |
258 | assert(viewport_); |
259 | const int w = viewport_->width(); | |
ca46b534 JH |
260 | if (w <= 0) |
261 | return; | |
262 | ||
78311127 JH |
263 | const double scale = max(min(delta / w, MaxScale), MinScale); |
264 | set_scale_offset(scale, extents.first); | |
ca46b534 JH |
265 | } |
266 | ||
d1e7d82c JH |
267 | void View::zoom_one_to_one() |
268 | { | |
269 | using pv::data::SignalData; | |
270 | ||
d1e7d82c | 271 | // Make a set of all the visible data objects |
0fc664a9 | 272 | set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d1e7d82c JH |
273 | if (visible_data.empty()) |
274 | return; | |
275 | ||
276 | double samplerate = 0.0; | |
d9aecf1f | 277 | for (const shared_ptr<SignalData> d : visible_data) { |
d1e7d82c | 278 | assert(d); |
f3d66e52 JH |
279 | const vector< shared_ptr<Segment> > segments = |
280 | d->segments(); | |
281 | for (const shared_ptr<Segment> &s : segments) | |
ff008de6 | 282 | samplerate = max(samplerate, s->samplerate()); |
d1e7d82c JH |
283 | } |
284 | ||
285 | if (samplerate == 0.0) | |
286 | return; | |
287 | ||
8dbbc7f0 JH |
288 | assert(viewport_); |
289 | const int w = viewport_->width(); | |
d1e7d82c JH |
290 | if (w <= 0) |
291 | return; | |
292 | ||
293 | set_zoom(1.0 / samplerate, w / 2); | |
294 | } | |
295 | ||
cdf7bea7 | 296 | void View::set_scale_offset(double scale, double offset) |
adb4b10c | 297 | { |
c7b03d9d SA |
298 | // Disable sticky scrolling when acquisition runs and user drags the viewport |
299 | if ((scale_ == scale) && (offset_ != offset) && | |
300 | sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
301 | sticky_scrolling_ = false; | |
302 | sticky_scrolling_changed(false); | |
303 | } | |
304 | ||
8dbbc7f0 JH |
305 | scale_ = scale; |
306 | offset_ = offset; | |
ccdd3ef5 | 307 | |
361c560e JH |
308 | calculate_tick_spacing(); |
309 | ||
adb4b10c | 310 | update_scroll(); |
8dbbc7f0 | 311 | ruler_->update(); |
8dbbc7f0 | 312 | viewport_->update(); |
e0fc5810 | 313 | scale_offset_changed(); |
adb4b10c JH |
314 | } |
315 | ||
1bc6525b JH |
316 | set< shared_ptr<SignalData> > View::get_visible_data() const |
317 | { | |
aca64cac | 318 | shared_lock<shared_mutex> lock(session().signals_mutex()); |
78b0af3e | 319 | const unordered_set< shared_ptr<Signal> > &sigs(session().signals()); |
1bc6525b JH |
320 | |
321 | // Make a set of all the visible data objects | |
322 | set< shared_ptr<SignalData> > visible_data; | |
d9aecf1f | 323 | for (const shared_ptr<Signal> sig : sigs) |
1bc6525b JH |
324 | if (sig->enabled()) |
325 | visible_data.insert(sig->data()); | |
326 | ||
327 | return visible_data; | |
328 | } | |
329 | ||
330 | pair<double, double> View::get_time_extents() const | |
331 | { | |
1bc6525b | 332 | double left_time = DBL_MAX, right_time = DBL_MIN; |
7f4038d6 | 333 | const set< shared_ptr<SignalData> > visible_data = get_visible_data(); |
d9aecf1f | 334 | for (const shared_ptr<SignalData> d : visible_data) |
1bc6525b | 335 | { |
f3d66e52 JH |
336 | const vector< shared_ptr<Segment> > segments = |
337 | d->segments(); | |
338 | for (const shared_ptr<Segment> &s : segments) { | |
ff008de6 JH |
339 | double samplerate = s->samplerate(); |
340 | samplerate = (samplerate <= 0.0) ? 1.0 : samplerate; | |
341 | ||
7f4038d6 JH |
342 | const double start_time = s->start_time(); |
343 | left_time = min(left_time, start_time); | |
344 | right_time = max(right_time, start_time + | |
e45b13b5 | 345 | d->max_sample_count() / samplerate); |
7f4038d6 | 346 | } |
1bc6525b JH |
347 | } |
348 | ||
7f4038d6 JH |
349 | if (left_time == DBL_MAX && right_time == DBL_MIN) |
350 | return make_pair(0.0, 0.0); | |
351 | ||
1bc6525b JH |
352 | assert(left_time < right_time); |
353 | return make_pair(left_time, right_time); | |
354 | } | |
355 | ||
c7b03d9d SA |
356 | void View::enable_sticky_scrolling(bool state) |
357 | { | |
358 | sticky_scrolling_ = state; | |
359 | } | |
360 | ||
f76af637 JH |
361 | bool View::cursors_shown() const |
362 | { | |
8dbbc7f0 | 363 | return show_cursors_; |
f76af637 JH |
364 | } |
365 | ||
366 | void View::show_cursors(bool show) | |
367 | { | |
8dbbc7f0 | 368 | show_cursors_ = show; |
819e2e95 | 369 | ruler_->update(); |
8dbbc7f0 | 370 | viewport_->update(); |
f76af637 JH |
371 | } |
372 | ||
b4d91e56 JH |
373 | void View::centre_cursors() |
374 | { | |
8dbbc7f0 | 375 | const double time_width = scale_ * viewport_->width(); |
5c5ce757 JH |
376 | cursors_->first()->set_time(offset_ + time_width * 0.4); |
377 | cursors_->second()->set_time(offset_ + time_width * 0.6); | |
819e2e95 | 378 | ruler_->update(); |
8dbbc7f0 | 379 | viewport_->update(); |
b4d91e56 JH |
380 | } |
381 | ||
5c5ce757 | 382 | std::shared_ptr<CursorPair> View::cursors() const |
58864c5c | 383 | { |
8dbbc7f0 | 384 | return cursors_; |
58864c5c JH |
385 | } |
386 | ||
8914fe79 JH |
387 | void View::add_flag(double time) |
388 | { | |
389 | flags_.push_back(shared_ptr<Flag>(new Flag(*this, time, | |
390 | QString("%1").arg(next_flag_text_)))); | |
391 | next_flag_text_ = (next_flag_text_ >= 'Z') ? 'A' : | |
392 | (next_flag_text_ + 1); | |
393 | time_item_appearance_changed(true, true); | |
394 | } | |
395 | ||
396 | void View::remove_flag(std::shared_ptr<Flag> flag) | |
397 | { | |
398 | flags_.remove(flag); | |
399 | time_item_appearance_changed(true, true); | |
400 | } | |
401 | ||
402 | vector< std::shared_ptr<Flag> > View::flags() const | |
403 | { | |
404 | vector< std::shared_ptr<Flag> > flags(flags_.begin(), flags_.end()); | |
405 | stable_sort(flags.begin(), flags.end(), | |
406 | [](const shared_ptr<Flag> &a, const shared_ptr<Flag> &b) { | |
407 | return a->time() < b->time(); | |
408 | }); | |
409 | ||
410 | return flags; | |
411 | } | |
412 | ||
cbd80f64 JH |
413 | const QPoint& View::hover_point() const |
414 | { | |
8dbbc7f0 | 415 | return hover_point_; |
cbd80f64 JH |
416 | } |
417 | ||
9cef9567 JH |
418 | void View::update_viewport() |
419 | { | |
8dbbc7f0 JH |
420 | assert(viewport_); |
421 | viewport_->update(); | |
422 | header_->update(); | |
7ff0145f JH |
423 | } |
424 | ||
425 | void View::restack_all_row_items() | |
426 | { | |
873cbed0 JH |
427 | // Make a list of owners that is sorted from deepest first |
428 | const auto owners = list_row_item_owners(); | |
7ff0145f JH |
429 | vector< RowItemOwner* > sorted_owners(owners.begin(), owners.end()); |
430 | sort(sorted_owners.begin(), sorted_owners.end(), | |
431 | [](const RowItemOwner* a, const RowItemOwner *b) { | |
432 | return a->depth() > b->depth(); }); | |
433 | ||
434 | // Restack the items recursively | |
435 | for (auto &o : sorted_owners) | |
436 | o->restack_items(); | |
437 | ||
438 | // Animate the items to their destination | |
439 | for (const auto &r : *this) | |
440 | r->animate_to_layout_v_offset(); | |
9cef9567 JH |
441 | } |
442 | ||
f25770e2 JH |
443 | void View::get_scroll_layout(double &length, double &offset) const |
444 | { | |
1bc6525b | 445 | const pair<double, double> extents = get_time_extents(); |
8dbbc7f0 JH |
446 | length = (extents.second - extents.first) / scale_; |
447 | offset = offset_ / scale_; | |
f25770e2 JH |
448 | } |
449 | ||
d1e7d82c JH |
450 | void View::set_zoom(double scale, int offset) |
451 | { | |
8dbbc7f0 | 452 | const double cursor_offset = offset_ + scale_ * offset; |
d1e7d82c JH |
453 | const double new_scale = max(min(scale, MaxScale), MinScale); |
454 | const double new_offset = cursor_offset - new_scale * offset; | |
455 | set_scale_offset(new_scale, new_offset); | |
456 | } | |
457 | ||
361c560e JH |
458 | void View::calculate_tick_spacing() |
459 | { | |
460 | const double SpacingIncrement = 32.0f; | |
461 | const double MinValueSpacing = 32.0f; | |
462 | ||
463 | double min_width = SpacingIncrement, typical_width; | |
464 | ||
465 | QFontMetrics m(QApplication::font()); | |
466 | ||
467 | do { | |
468 | const double min_period = scale_ * min_width; | |
469 | ||
470 | const int order = (int)floorf(log10f(min_period)); | |
471 | const double order_decimal = pow(10.0, order); | |
472 | ||
473 | unsigned int unit = 0; | |
474 | ||
475 | do { | |
476 | tick_period_ = order_decimal * ScaleUnits[unit++]; | |
477 | } while (tick_period_ < min_period && | |
478 | unit < countof(ScaleUnits)); | |
479 | ||
480 | tick_prefix_ = (order - pv::util::FirstSIPrefixPower) / 3; | |
481 | ||
482 | typical_width = m.boundingRect(0, 0, INT_MAX, INT_MAX, | |
483 | Qt::AlignLeft | Qt::AlignTop, | |
484 | format_time(offset_, tick_prefix_)).width() + | |
485 | MinValueSpacing; | |
486 | ||
487 | min_width += SpacingIncrement; | |
488 | ||
489 | } while(typical_width > tick_period_ / scale_); | |
490 | } | |
491 | ||
cdf7bea7 | 492 | void View::update_scroll() |
adb4b10c | 493 | { |
8dbbc7f0 | 494 | assert(viewport_); |
adb4b10c | 495 | |
8dbbc7f0 | 496 | const QSize areaSize = viewport_->size(); |
adb4b10c JH |
497 | |
498 | // Set the horizontal scroll bar | |
499 | double length = 0, offset = 0; | |
f25770e2 JH |
500 | get_scroll_layout(length, offset); |
501 | length = max(length - areaSize.width(), 0.0); | |
adb4b10c | 502 | |
d7aae647 SA |
503 | int major_tick_distance = tick_period_ / scale_; |
504 | ||
b4ef7f2a | 505 | horizontalScrollBar()->setPageStep(areaSize.width() / 2); |
d7aae647 | 506 | horizontalScrollBar()->setSingleStep(major_tick_distance); |
f25770e2 | 507 | |
8dbbc7f0 | 508 | updating_scroll_ = true; |
528bd8a1 | 509 | |
333d5bbc | 510 | if (length < MaxScrollValue) { |
f25770e2 JH |
511 | horizontalScrollBar()->setRange(0, length); |
512 | horizontalScrollBar()->setSliderPosition(offset); | |
513 | } else { | |
514 | horizontalScrollBar()->setRange(0, MaxScrollValue); | |
515 | horizontalScrollBar()->setSliderPosition( | |
8dbbc7f0 | 516 | offset_ * MaxScrollValue / (scale_ * length)); |
f25770e2 | 517 | } |
adb4b10c | 518 | |
8dbbc7f0 | 519 | updating_scroll_ = false; |
528bd8a1 | 520 | |
adb4b10c JH |
521 | // Set the vertical scrollbar |
522 | verticalScrollBar()->setPageStep(areaSize.height()); | |
65c34596 | 523 | verticalScrollBar()->setSingleStep(areaSize.height() / 8); |
a5d93c27 JH |
524 | |
525 | const pair<int, int> extents = v_extents(); | |
f1d9ac67 SA |
526 | verticalScrollBar()->setRange(extents.first - (areaSize.height() / 2), |
527 | extents.second - (areaSize.height() / 2)); | |
adb4b10c JH |
528 | } |
529 | ||
d7c0ca4a JH |
530 | void View::update_layout() |
531 | { | |
512bfc56 | 532 | setViewportMargins( |
8dbbc7f0 JH |
533 | header_->sizeHint().width() - pv::view::Header::BaselineOffset, |
534 | ruler_->sizeHint().height(), 0, 0); | |
535 | ruler_->setGeometry(viewport_->x(), 0, | |
819e2e95 | 536 | viewport_->width(), ruler_->extended_size_hint().height()); |
8dbbc7f0 | 537 | header_->setGeometry(0, viewport_->y(), |
819e2e95 | 538 | header_->extended_size_hint().width(), viewport_->height()); |
d7c0ca4a JH |
539 | update_scroll(); |
540 | } | |
541 | ||
b3f44329 | 542 | void View::paint_label(QPainter &p, const QRect &rect, bool hover) |
eae6e30a JH |
543 | { |
544 | (void)p; | |
b3f44329 | 545 | (void)rect; |
eae6e30a JH |
546 | (void)hover; |
547 | } | |
548 | ||
b3f44329 | 549 | QRectF View::label_rect(const QRectF &rect) |
eae6e30a | 550 | { |
b3f44329 | 551 | (void)rect; |
eae6e30a JH |
552 | return QRectF(); |
553 | } | |
554 | ||
cf124e47 JH |
555 | RowItemOwner* View::find_prevalent_trace_group( |
556 | const shared_ptr<sigrok::ChannelGroup> &group, | |
557 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
558 | &signal_map) | |
448a72cf | 559 | { |
cf124e47 | 560 | assert(group); |
448a72cf | 561 | |
cf124e47 JH |
562 | unordered_set<RowItemOwner*> owners; |
563 | vector<RowItemOwner*> owner_list; | |
448a72cf | 564 | |
cf124e47 JH |
565 | // Make a set and a list of all the owners |
566 | for (const auto &channel : group->channels()) { | |
448a72cf | 567 | const auto iter = signal_map.find(channel); |
cf124e47 | 568 | if (iter == signal_map.end()) |
448a72cf JH |
569 | continue; |
570 | ||
cf124e47 JH |
571 | RowItemOwner *const o = (*iter).second->owner(); |
572 | owner_list.push_back(o); | |
573 | owners.insert(o); | |
574 | } | |
448a72cf | 575 | |
cf124e47 JH |
576 | // Iterate through the list of owners, and find the most prevalent |
577 | size_t max_prevalence = 0; | |
578 | RowItemOwner *prevalent_owner = nullptr; | |
579 | for (RowItemOwner *owner : owners) { | |
580 | const size_t prevalence = std::count_if( | |
581 | owner_list.begin(), owner_list.end(), | |
582 | [&](RowItemOwner *o) { return o == owner; }); | |
583 | if (prevalence > max_prevalence) { | |
584 | max_prevalence = prevalence; | |
585 | prevalent_owner = owner; | |
586 | } | |
448a72cf JH |
587 | } |
588 | ||
cf124e47 | 589 | return prevalent_owner; |
448a72cf JH |
590 | } |
591 | ||
cf124e47 JH |
592 | vector< shared_ptr<Trace> > View::extract_new_traces_for_channels( |
593 | const vector< shared_ptr<sigrok::Channel> > &channels, | |
594 | const unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
595 | &signal_map, | |
596 | set< shared_ptr<Trace> > &add_list) | |
597 | { | |
598 | vector< shared_ptr<Trace> > filtered_traces; | |
599 | ||
600 | for (const auto &channel : channels) | |
601 | { | |
602 | const auto map_iter = signal_map.find(channel); | |
603 | if (map_iter == signal_map.end()) | |
604 | continue; | |
605 | ||
606 | shared_ptr<Trace> trace = (*map_iter).second; | |
607 | const auto list_iter = add_list.find(trace); | |
608 | if (list_iter == add_list.end()) | |
609 | continue; | |
610 | ||
611 | filtered_traces.push_back(trace); | |
612 | add_list.erase(list_iter); | |
613 | } | |
614 | ||
615 | return filtered_traces; | |
448a72cf JH |
616 | } |
617 | ||
cbd80f64 JH |
618 | bool View::eventFilter(QObject *object, QEvent *event) |
619 | { | |
620 | const QEvent::Type type = event->type(); | |
333d5bbc | 621 | if (type == QEvent::MouseMove) { |
cbd80f64 JH |
622 | |
623 | const QMouseEvent *const mouse_event = (QMouseEvent*)event; | |
8dbbc7f0 JH |
624 | if (object == viewport_) |
625 | hover_point_ = mouse_event->pos(); | |
819e2e95 | 626 | else if (object == ruler_) |
8dbbc7f0 JH |
627 | hover_point_ = QPoint(mouse_event->x(), 0); |
628 | else if (object == header_) | |
629 | hover_point_ = QPoint(0, mouse_event->y()); | |
cbd80f64 | 630 | else |
8dbbc7f0 | 631 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
632 | |
633 | hover_point_changed(); | |
634 | ||
333d5bbc | 635 | } else if (type == QEvent::Leave) { |
8dbbc7f0 | 636 | hover_point_ = QPoint(-1, -1); |
cbd80f64 JH |
637 | hover_point_changed(); |
638 | } | |
639 | ||
640 | return QObject::eventFilter(object, event); | |
641 | } | |
642 | ||
cdf7bea7 | 643 | bool View::viewportEvent(QEvent *e) |
adb4b10c JH |
644 | { |
645 | switch(e->type()) { | |
646 | case QEvent::Paint: | |
647 | case QEvent::MouseButtonPress: | |
648 | case QEvent::MouseButtonRelease: | |
649 | case QEvent::MouseButtonDblClick: | |
650 | case QEvent::MouseMove: | |
651 | case QEvent::Wheel: | |
4b4f1c0d MC |
652 | case QEvent::TouchBegin: |
653 | case QEvent::TouchUpdate: | |
654 | case QEvent::TouchEnd: | |
adb4b10c JH |
655 | return false; |
656 | ||
657 | default: | |
658 | return QAbstractScrollArea::viewportEvent(e); | |
659 | } | |
660 | } | |
661 | ||
e314eca4 | 662 | void View::resizeEvent(QResizeEvent*) |
adb4b10c | 663 | { |
d7c0ca4a | 664 | update_layout(); |
adb4b10c JH |
665 | } |
666 | ||
6e2c3c85 | 667 | void View::row_item_appearance_changed(bool label, bool content) |
32218d3e JH |
668 | { |
669 | if (label) | |
8dbbc7f0 | 670 | header_->update(); |
32218d3e | 671 | if (content) |
8dbbc7f0 | 672 | viewport_->update(); |
32218d3e JH |
673 | } |
674 | ||
98cfe4e8 JH |
675 | void View::time_item_appearance_changed(bool label, bool content) |
676 | { | |
677 | if (label) | |
819e2e95 | 678 | ruler_->update(); |
98cfe4e8 JH |
679 | if (content) |
680 | viewport_->update(); | |
681 | } | |
682 | ||
32218d3e JH |
683 | void View::extents_changed(bool horz, bool vert) |
684 | { | |
8dbbc7f0 | 685 | sticky_events_ |= |
76fea660 JH |
686 | (horz ? RowItemHExtentsChanged : 0) | |
687 | (vert ? RowItemVExtentsChanged : 0); | |
8dbbc7f0 | 688 | lazy_event_handler_.start(); |
32218d3e JH |
689 | } |
690 | ||
b16907d3 | 691 | void View::h_scroll_value_changed(int value) |
adb4b10c | 692 | { |
8dbbc7f0 | 693 | if (updating_scroll_) |
528bd8a1 JH |
694 | return; |
695 | ||
c7b03d9d SA |
696 | // Disable sticky scrolling when user moves the horizontal scroll bar |
697 | // during a running acquisition | |
698 | if (sticky_scrolling_ && (session_.get_capture_state() == Session::Running)) { | |
699 | sticky_scrolling_ = false; | |
700 | sticky_scrolling_changed(false); | |
701 | } | |
702 | ||
f25770e2 | 703 | const int range = horizontalScrollBar()->maximum(); |
333d5bbc | 704 | if (range < MaxScrollValue) |
8dbbc7f0 | 705 | offset_ = scale_ * value; |
f25770e2 JH |
706 | else { |
707 | double length = 0, offset; | |
708 | get_scroll_layout(length, offset); | |
8dbbc7f0 | 709 | offset_ = scale_ * length * value / MaxScrollValue; |
f25770e2 JH |
710 | } |
711 | ||
8dbbc7f0 | 712 | ruler_->update(); |
8dbbc7f0 | 713 | viewport_->update(); |
adb4b10c JH |
714 | } |
715 | ||
f8400017 | 716 | void View::v_scroll_value_changed() |
adb4b10c | 717 | { |
8dbbc7f0 JH |
718 | header_->update(); |
719 | viewport_->update(); | |
adb4b10c JH |
720 | } |
721 | ||
69dd2b03 JH |
722 | void View::signals_changed() |
723 | { | |
cf124e47 | 724 | vector< shared_ptr<RowItem> > new_top_level_items; |
68b21a71 | 725 | |
e37e05f7 JH |
726 | const auto device = session_.device(); |
727 | if (!device) | |
728 | return; | |
729 | ||
730 | shared_ptr<sigrok::Device> sr_dev = device->device(); | |
731 | assert(sr_dev); | |
448a72cf | 732 | |
cf124e47 JH |
733 | // Make a list of traces that are being added, and a list of traces |
734 | // that are being removed | |
735 | const set<shared_ptr<Trace>> prev_traces = list_by_type<Trace>(); | |
448a72cf | 736 | |
8dbbc7f0 | 737 | shared_lock<shared_mutex> lock(session_.signals_mutex()); |
78b0af3e | 738 | const unordered_set< shared_ptr<Signal> > &sigs(session_.signals()); |
448a72cf | 739 | |
cf124e47 JH |
740 | set< shared_ptr<Trace> > traces(sigs.begin(), sigs.end()); |
741 | ||
742 | #ifdef ENABLE_DECODE | |
743 | const vector< shared_ptr<DecodeTrace> > decode_traces( | |
744 | session().get_decode_signals()); | |
745 | traces.insert(decode_traces.begin(), decode_traces.end()); | |
746 | #endif | |
747 | ||
748 | set< shared_ptr<Trace> > add_traces; | |
749 | set_difference(traces.begin(), traces.end(), | |
750 | prev_traces.begin(), prev_traces.end(), | |
751 | inserter(add_traces, add_traces.begin())); | |
752 | ||
753 | set< shared_ptr<Trace> > remove_traces; | |
754 | set_difference(prev_traces.begin(), prev_traces.end(), | |
755 | traces.begin(), traces.end(), | |
756 | inserter(remove_traces, remove_traces.begin())); | |
757 | ||
758 | // Make a look-up table of sigrok Channels to pulseview Signals | |
759 | unordered_map<shared_ptr<sigrok::Channel>, shared_ptr<Signal> > | |
760 | signal_map; | |
448a72cf JH |
761 | for (const shared_ptr<Signal> &sig : sigs) |
762 | signal_map[sig->channel()] = sig; | |
763 | ||
764 | // Populate channel groups | |
e37e05f7 | 765 | for (auto entry : sr_dev->channel_groups()) |
448a72cf JH |
766 | { |
767 | const shared_ptr<sigrok::ChannelGroup> &group = entry.second; | |
768 | ||
769 | if (group->channels().size() <= 1) | |
770 | continue; | |
771 | ||
cf124e47 JH |
772 | // Find best trace group to add to |
773 | RowItemOwner *owner = find_prevalent_trace_group( | |
774 | group, signal_map); | |
448a72cf | 775 | |
cf124e47 JH |
776 | // If there is no trace group, create one |
777 | shared_ptr<TraceGroup> new_trace_group; | |
778 | if (!owner) { | |
779 | new_trace_group.reset(new TraceGroup()); | |
780 | owner = new_trace_group.get(); | |
781 | } | |
448a72cf | 782 | |
cf124e47 JH |
783 | // Extract traces for the trace group, removing them from |
784 | // the add list | |
785 | const vector< shared_ptr<Trace> > new_traces_in_group = | |
786 | extract_new_traces_for_channels(group->channels(), | |
787 | signal_map, add_traces); | |
788 | ||
789 | // Add the traces to the group | |
790 | const pair<int, int> prev_v_extents = owner->v_extents(); | |
791 | int offset = prev_v_extents.second - prev_v_extents.first; | |
792 | for (shared_ptr<Trace> trace : new_traces_in_group) { | |
793 | assert(trace); | |
794 | owner->add_child_item(trace); | |
795 | ||
796 | const pair<int, int> extents = trace->v_extents(); | |
797 | if (trace->enabled()) | |
798 | offset += -extents.first; | |
799 | trace->force_to_v_offset(offset); | |
800 | if (trace->enabled()) | |
801 | offset += extents.second; | |
802 | } | |
68b21a71 | 803 | |
cf124e47 JH |
804 | // If this is a new group, enqueue it in the new top level |
805 | // items list | |
806 | if (!new_traces_in_group.empty() && new_trace_group) | |
807 | new_top_level_items.push_back(new_trace_group); | |
448a72cf JH |
808 | } |
809 | ||
cf124e47 JH |
810 | // Enqueue the remaining channels as free ungrouped traces |
811 | const vector< shared_ptr<Trace> > new_top_level_signals = | |
812 | extract_new_traces_for_channels(sr_dev->channels(), | |
813 | signal_map, add_traces); | |
814 | new_top_level_items.insert(new_top_level_items.end(), | |
815 | new_top_level_signals.begin(), new_top_level_signals.end()); | |
816 | ||
817 | // Enqueue any remaining traces i.e. decode traces | |
818 | new_top_level_items.insert(new_top_level_items.end(), | |
819 | add_traces.begin(), add_traces.end()); | |
820 | ||
821 | // Remove any removed traces | |
822 | for (shared_ptr<Trace> trace : remove_traces) { | |
823 | RowItemOwner *const owner = trace->owner(); | |
824 | assert(owner); | |
825 | owner->remove_child_item(trace); | |
826 | } | |
448a72cf | 827 | |
cf124e47 JH |
828 | // Add and position the pending top levels items |
829 | for (auto item : new_top_level_items) { | |
830 | add_child_item(item); | |
831 | ||
832 | // Position the item after the last present item | |
833 | int offset = v_extents().second; | |
834 | const pair<int, int> extents = item->v_extents(); | |
835 | if (item->enabled()) | |
836 | offset += -extents.first; | |
837 | item->force_to_v_offset(offset); | |
838 | if (item->enabled()) | |
839 | offset += extents.second; | |
ef8311a4 JH |
840 | } |
841 | ||
a6c1726e | 842 | update_layout(); |
cf124e47 JH |
843 | |
844 | header_->update(); | |
845 | viewport_->update(); | |
69dd2b03 JH |
846 | } |
847 | ||
cdf7bea7 | 848 | void View::data_updated() |
adb4b10c | 849 | { |
c7b03d9d SA |
850 | if (sticky_scrolling_) { |
851 | if (!delayed_view_updater_.isActive()) | |
852 | delayed_view_updater_.start(); | |
853 | } else { | |
854 | update_scroll(); | |
855 | ruler_->update(); | |
856 | viewport_->update(); | |
857 | } | |
858 | } | |
859 | ||
860 | void View::perform_delayed_view_update() | |
861 | { | |
862 | if (sticky_scrolling_) { | |
863 | // Make right side of the view sticky | |
864 | double length = 0, offset; | |
865 | get_scroll_layout(length, offset); | |
866 | ||
867 | const QSize areaSize = viewport_->size(); | |
868 | length = max(length - areaSize.width(), 0.0); | |
869 | ||
870 | offset_ = scale_ * length; | |
871 | } | |
adb4b10c | 872 | |
c7b03d9d SA |
873 | update_scroll(); |
874 | ruler_->update(); | |
8dbbc7f0 | 875 | viewport_->update(); |
adb4b10c | 876 | } |
cdf7bea7 | 877 | |
32218d3e | 878 | void View::process_sticky_events() |
d7c0ca4a | 879 | { |
76fea660 | 880 | if (sticky_events_ & RowItemHExtentsChanged) |
32218d3e | 881 | update_layout(); |
f15bb3bc | 882 | if (sticky_events_ & RowItemVExtentsChanged) { |
7ff0145f | 883 | restack_all_row_items(); |
f15bb3bc JH |
884 | update_scroll(); |
885 | } | |
32218d3e JH |
886 | |
887 | // Clear the sticky events | |
8dbbc7f0 | 888 | sticky_events_ = 0; |
d7c0ca4a JH |
889 | } |
890 | ||
33c62f44 JH |
891 | void View::on_hover_point_changed() |
892 | { | |
aa59d5c2 | 893 | for (shared_ptr<RowItem> r : *this) |
eae6e30a | 894 | r->hover_point_changed(); |
33c62f44 JH |
895 | } |
896 | ||
cdf7bea7 JH |
897 | } // namespace view |
898 | } // namespace pv |