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cdb50f67 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
cdb50f67 JH |
18 | */ |
19 | ||
488f068c JH |
20 | #include <map> |
21 | ||
b887c4d8 | 22 | #include <QApplication> |
bfc9f61e | 23 | #include <QCheckBox> |
b887c4d8 | 24 | #include <QFontMetrics> |
488f068c JH |
25 | #include <QFormLayout> |
26 | #include <QGridLayout> | |
9fa8a63c | 27 | #include <QHBoxLayout> |
bfc9f61e | 28 | #include <QLabel> |
488f068c | 29 | |
2acdb232 | 30 | #include "channels.hpp" |
cdb50f67 | 31 | |
b5d20c6d | 32 | #include <pv/session.hpp> |
3cc9ad7b | 33 | #include <pv/binding/device.hpp> |
5b35d18c SA |
34 | #include <pv/data/logic.hpp> |
35 | #include <pv/data/logicsegment.hpp> | |
bf0edd2b | 36 | #include <pv/data/signalbase.hpp> |
da30ecb7 | 37 | #include <pv/devices/device.hpp> |
488f068c | 38 | |
b5d20c6d | 39 | using std::make_shared; |
488f068c | 40 | using std::map; |
b5d20c6d | 41 | using std::out_of_range; |
f9abf97e | 42 | using std::shared_ptr; |
78b0af3e | 43 | using std::unordered_set; |
819f4c25 | 44 | using std::vector; |
5fbf231e | 45 | using std::weak_ptr; |
479bcabe | 46 | |
bf0edd2b | 47 | using pv::data::SignalBase; |
5b35d18c SA |
48 | using pv::data::Logic; |
49 | using pv::data::LogicSegment; | |
bf0edd2b | 50 | |
e8d00928 ML |
51 | using sigrok::Channel; |
52 | using sigrok::ChannelGroup; | |
53 | using sigrok::Device; | |
54 | ||
cdb50f67 | 55 | namespace pv { |
51d4a9ab | 56 | namespace popups { |
cdb50f67 | 57 | |
2b81ae46 | 58 | Channels::Channels(Session &session, QWidget *parent) : |
51d4a9ab | 59 | Popup(parent), |
8dbbc7f0 JH |
60 | session_(session), |
61 | updating_channels_(false), | |
9fa8a63c UH |
62 | enable_all_channels_(tr("All"), this), |
63 | disable_all_channels_(tr("All"), this), | |
64 | enable_all_logic_channels_(tr("Logic"), this), | |
8d49811c | 65 | disable_all_logic_channels_(tr("Logic"), this), |
9fa8a63c | 66 | enable_all_analog_channels_(tr("Analog"), this), |
8d49811c | 67 | disable_all_analog_channels_(tr("Analog"), this), |
9fa8a63c | 68 | enable_all_named_channels_(tr("Named"), this), |
8d49811c | 69 | disable_all_unnamed_channels_(tr("Unnamed"), this), |
9fa8a63c | 70 | enable_all_changing_channels_(tr("Changing"), this), |
8d49811c | 71 | disable_all_non_changing_channels_(tr("Non-changing"), this), |
8dbbc7f0 | 72 | check_box_mapper_(this) |
cdb50f67 | 73 | { |
488f068c | 74 | // Create the layout |
8dbbc7f0 | 75 | setLayout(&layout_); |
9c025ef3 | 76 | |
da30ecb7 | 77 | const shared_ptr<sigrok::Device> device = session_.device()->device(); |
e8d00928 | 78 | assert(device); |
488f068c JH |
79 | |
80 | // Collect a set of signals | |
bf0edd2b | 81 | map<shared_ptr<Channel>, shared_ptr<SignalBase> > signal_map; |
c3a740dd | 82 | |
bf0edd2b | 83 | unordered_set< shared_ptr<SignalBase> > sigs; |
f4ab4b5c | 84 | for (const shared_ptr<data::SignalBase>& b : session_.signalbases()) |
47e9e7bb | 85 | sigs.insert(b); |
733eee0e | 86 | |
bf0edd2b | 87 | for (const shared_ptr<SignalBase> &sig : sigs) |
6ac6242b | 88 | signal_map[sig->channel()] = sig; |
488f068c | 89 | |
2445160a | 90 | // Populate channel groups |
f4ab4b5c | 91 | for (auto& entry : device->channel_groups()) { |
b5d20c6d SA |
92 | const shared_ptr<ChannelGroup> group = entry.second; |
93 | // Make a set of signals and remove these signals from the signal map | |
bf0edd2b | 94 | vector< shared_ptr<SignalBase> > group_sigs; |
f4ab4b5c | 95 | for (auto& channel : group->channels()) { |
6ac6242b | 96 | const auto iter = signal_map.find(channel); |
52a80eb3 SA |
97 | |
98 | if (iter == signal_map.end()) | |
99 | break; | |
488f068c JH |
100 | |
101 | group_sigs.push_back((*iter).second); | |
102 | signal_map.erase(iter); | |
103 | } | |
104 | ||
105 | populate_group(group, group_sigs); | |
106 | } | |
107 | ||
6ac6242b | 108 | // Make a vector of the remaining channels |
3b6c4a1f | 109 | vector< shared_ptr<SignalBase> > global_analog_sigs, global_logic_sigs; |
f4ab4b5c | 110 | for (auto& channel : device->channels()) { |
bf0edd2b | 111 | const map<shared_ptr<Channel>, shared_ptr<SignalBase> >:: |
6ac6242b | 112 | const_iterator iter = signal_map.find(channel); |
3b6c4a1f SA |
113 | |
114 | if (iter != signal_map.end()) { | |
115 | const shared_ptr<SignalBase> signal = (*iter).second; | |
116 | if (signal->type() == SignalBase::AnalogChannel) | |
117 | global_analog_sigs.push_back(signal); | |
118 | else | |
119 | global_logic_sigs.push_back(signal); | |
120 | } | |
488f068c JH |
121 | } |
122 | ||
3b6c4a1f SA |
123 | // Create the groups for the ungrouped channels |
124 | populate_group(nullptr, global_logic_sigs); | |
125 | populate_group(nullptr, global_analog_sigs); | |
488f068c JH |
126 | |
127 | // Create the enable/disable all buttons | |
5b35d18c SA |
128 | connect(&enable_all_channels_, SIGNAL(clicked()), this, SLOT(enable_all_channels())); |
129 | connect(&disable_all_channels_, SIGNAL(clicked()), this, SLOT(disable_all_channels())); | |
130 | connect(&enable_all_logic_channels_, SIGNAL(clicked()), this, SLOT(enable_all_logic_channels())); | |
8d49811c | 131 | connect(&disable_all_logic_channels_, SIGNAL(clicked()), this, SLOT(disable_all_logic_channels())); |
5b35d18c | 132 | connect(&enable_all_analog_channels_, SIGNAL(clicked()), this, SLOT(enable_all_analog_channels())); |
8d49811c | 133 | connect(&disable_all_analog_channels_, SIGNAL(clicked()), this, SLOT(disable_all_analog_channels())); |
5b35d18c | 134 | connect(&enable_all_named_channels_, SIGNAL(clicked()), this, SLOT(enable_all_named_channels())); |
8d49811c | 135 | connect(&disable_all_unnamed_channels_, SIGNAL(clicked()), this, SLOT(disable_all_unnamed_channels())); |
5b35d18c SA |
136 | connect(&enable_all_changing_channels_, SIGNAL(clicked()), |
137 | this, SLOT(enable_all_changing_channels())); | |
8d49811c SA |
138 | connect(&disable_all_non_changing_channels_, SIGNAL(clicked()), |
139 | this, SLOT(disable_all_non_changing_channels())); | |
ed773982 | 140 | |
9fa8a63c | 141 | QLabel *label1 = new QLabel(tr("Disable: ")); |
8d49811c SA |
142 | filter_buttons_bar_.addWidget(label1, 0, 0); |
143 | filter_buttons_bar_.addWidget(&disable_all_channels_, 0, 1); | |
144 | filter_buttons_bar_.addWidget(&disable_all_logic_channels_, 0, 2); | |
145 | filter_buttons_bar_.addWidget(&disable_all_analog_channels_, 0, 3); | |
146 | filter_buttons_bar_.addWidget(&disable_all_unnamed_channels_, 0, 4); | |
147 | filter_buttons_bar_.addWidget(&disable_all_non_changing_channels_, 0, 5); | |
148 | ||
9fa8a63c | 149 | QLabel *label2 = new QLabel(tr("Enable: ")); |
8d49811c SA |
150 | filter_buttons_bar_.addWidget(label2, 1, 0); |
151 | filter_buttons_bar_.addWidget(&enable_all_channels_, 1, 1); | |
152 | filter_buttons_bar_.addWidget(&enable_all_logic_channels_, 1, 2); | |
153 | filter_buttons_bar_.addWidget(&enable_all_analog_channels_, 1, 3); | |
154 | filter_buttons_bar_.addWidget(&enable_all_named_channels_, 1, 4); | |
155 | filter_buttons_bar_.addWidget(&enable_all_changing_channels_, 1, 5); | |
ed773982 | 156 | |
8d49811c SA |
157 | layout_.addItem(new QSpacerItem(0, 15, QSizePolicy::Expanding, QSizePolicy::Expanding)); |
158 | layout_.addRow(&filter_buttons_bar_); | |
0740907f | 159 | |
488f068c | 160 | // Connect the check-box signal mapper |
1ed73ebd VPP |
161 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) |
162 | connect(&check_box_mapper_, SIGNAL(mappedObject(QObject*)), | |
163 | this, SLOT(on_channel_checked(QObject*))); | |
164 | #else | |
8dbbc7f0 | 165 | connect(&check_box_mapper_, SIGNAL(mapped(QWidget*)), |
6ac6242b | 166 | this, SLOT(on_channel_checked(QWidget*))); |
1ed73ebd | 167 | #endif |
b7b659aa JH |
168 | } |
169 | ||
6ac6242b | 170 | void Channels::set_all_channels(bool set) |
b7b659aa | 171 | { |
8dbbc7f0 | 172 | updating_channels_ = true; |
b7b659aa | 173 | |
f4ab4b5c | 174 | for (auto& entry : check_box_signal_map_) { |
b5d20c6d SA |
175 | QCheckBox *cb = entry.first; |
176 | const shared_ptr<SignalBase> sig = entry.second; | |
488f068c | 177 | assert(sig); |
b7b659aa | 178 | |
bf0edd2b | 179 | sig->set_enabled(set); |
b5d20c6d | 180 | cb->setChecked(set); |
0740907f | 181 | } |
51d4a9ab | 182 | |
8dbbc7f0 | 183 | updating_channels_ = false; |
0740907f JH |
184 | } |
185 | ||
7ceb2376 | 186 | void Channels::enable_channels_conditionally( |
5b35d18c SA |
187 | function<bool (const shared_ptr<data::SignalBase>)> cond_func) |
188 | { | |
189 | updating_channels_ = true; | |
190 | ||
f4ab4b5c | 191 | for (auto& entry : check_box_signal_map_) { |
5b35d18c SA |
192 | QCheckBox *cb = entry.first; |
193 | const shared_ptr<SignalBase> sig = entry.second; | |
194 | assert(sig); | |
195 | ||
8d49811c SA |
196 | if (cond_func(sig)) { |
197 | sig->set_enabled(true); | |
198 | cb->setChecked(true); | |
199 | } | |
200 | } | |
201 | ||
202 | updating_channels_ = false; | |
203 | } | |
204 | ||
205 | void Channels::disable_channels_conditionally( | |
206 | function<bool (const shared_ptr<data::SignalBase>)> cond_func) | |
207 | { | |
208 | updating_channels_ = true; | |
209 | ||
f4ab4b5c | 210 | for (auto& entry : check_box_signal_map_) { |
8d49811c SA |
211 | QCheckBox *cb = entry.first; |
212 | const shared_ptr<SignalBase> sig = entry.second; | |
213 | assert(sig); | |
214 | ||
215 | if (cond_func(sig)) { | |
216 | sig->set_enabled(false); | |
217 | cb->setChecked(false); | |
7ceb2376 | 218 | } |
5b35d18c SA |
219 | } |
220 | ||
221 | updating_channels_ = false; | |
222 | } | |
223 | ||
e8d00928 | 224 | void Channels::populate_group(shared_ptr<ChannelGroup> group, |
bf0edd2b | 225 | const vector< shared_ptr<SignalBase> > sigs) |
488f068c | 226 | { |
3cc9ad7b | 227 | using pv::binding::Device; |
488f068c JH |
228 | |
229 | // Only bind options if this is a group. We don't do it for general | |
230 | // options, because these properties are shown in the device config | |
231 | // popup. | |
3cc9ad7b | 232 | shared_ptr<Device> binding; |
488f068c | 233 | if (group) |
067bb624 | 234 | binding = make_shared<Device>(group); |
488f068c | 235 | |
5fbf231e | 236 | QHBoxLayout* group_layout = new QHBoxLayout(); |
237 | layout_.addRow(group_layout); | |
238 | ||
488f068c | 239 | // Create a title if the group is going to have any content |
b5d20c6d SA |
240 | if ((!sigs.empty() || (binding && !binding->properties().empty())) && group) |
241 | { | |
242 | QLabel *label = new QLabel( | |
243 | QString("<h3>%1</h3>").arg(group->name().c_str())); | |
5fbf231e | 244 | group_layout->addWidget(label); |
b5d20c6d SA |
245 | group_label_map_[group] = label; |
246 | } | |
488f068c | 247 | |
2445160a | 248 | // Create the channel group grid |
488f068c JH |
249 | int row = 0, col = 0; |
250 | QGridLayout *const grid = new QGridLayout(); | |
5fbf231e | 251 | vector<QCheckBox*> group_checkboxes, this_row; |
488f068c | 252 | |
bf0edd2b | 253 | for (const shared_ptr<SignalBase>& sig : sigs) { |
488f068c JH |
254 | assert(sig); |
255 | ||
b5d20c6d | 256 | QCheckBox *const checkbox = new QCheckBox(sig->display_name()); |
8dbbc7f0 | 257 | check_box_mapper_.setMapping(checkbox, checkbox); |
5fbf231e | 258 | connect(checkbox, SIGNAL(toggled(bool)), &check_box_mapper_, SLOT(map())); |
488f068c JH |
259 | |
260 | grid->addWidget(checkbox, row, col); | |
261 | ||
5fbf231e | 262 | group_checkboxes.push_back(checkbox); |
263 | this_row.push_back(checkbox); | |
264 | ||
8dbbc7f0 | 265 | check_box_signal_map_[checkbox] = sig; |
488f068c | 266 | |
5fbf231e | 267 | weak_ptr<SignalBase> weak_sig(sig); |
268 | connect(checkbox, &QCheckBox::toggled, | |
269 | [weak_sig](bool state) { | |
270 | auto sig = weak_sig.lock(); | |
271 | assert(sig); | |
272 | sig->set_enabled(state); | |
273 | }); | |
274 | ||
275 | if ((++col >= 8 || &sig == &sigs.back())) { | |
276 | // Show buttons if there's more than one row | |
277 | if (sigs.size() > 8) { | |
278 | QPushButton *row_enable_button = new QPushButton(tr("All"), this); | |
279 | grid->addWidget(row_enable_button, row, 8); | |
49fee853 SA |
280 | connect(row_enable_button, &QPushButton::clicked, row_enable_button, |
281 | [this_row]() { | |
282 | for (QCheckBox *box : this_row) | |
283 | box->setChecked(true); | |
5fbf231e | 284 | }); |
285 | ||
286 | QPushButton *row_disable_button = new QPushButton(tr("None"), this); | |
49fee853 | 287 | connect(row_disable_button, &QPushButton::clicked, row_disable_button, |
5fbf231e | 288 | [this_row]() { |
289 | for (QCheckBox *box : this_row) | |
290 | box->setChecked(false); | |
291 | }); | |
292 | grid->addWidget(row_disable_button, row, 9); | |
293 | } | |
294 | ||
295 | this_row.clear(); | |
488f068c | 296 | col = 0, row++; |
5fbf231e | 297 | } |
298 | } | |
299 | layout_.addRow(grid); | |
300 | ||
301 | if (sigs.size() > 1) { | |
302 | // Create enable all/none buttons | |
303 | QPushButton *btn_enable_all, *btn_disable_all; | |
304 | ||
305 | btn_enable_all = new QPushButton(tr("All")); | |
306 | btn_disable_all = new QPushButton(tr("None")); | |
307 | group_layout->addWidget(btn_enable_all); | |
308 | group_layout->addWidget(btn_disable_all); | |
309 | ||
49fee853 SA |
310 | connect(btn_enable_all, &QPushButton::clicked, btn_enable_all, |
311 | [group_checkboxes](){ | |
312 | for (QCheckBox *box: group_checkboxes) | |
313 | box->setChecked(true); | |
5fbf231e | 314 | }); |
315 | ||
49fee853 SA |
316 | connect(btn_disable_all, &QPushButton::clicked, btn_disable_all, |
317 | [group_checkboxes](){ | |
318 | for (QCheckBox *box: group_checkboxes) | |
319 | box->setChecked(false); | |
5fbf231e | 320 | }); |
488f068c JH |
321 | } |
322 | ||
5fbf231e | 323 | // Create the channel group options |
324 | if (binding) { | |
325 | binding->add_properties_to_form(&layout_, true); | |
326 | group_bindings_.push_back(binding); | |
327 | } | |
488f068c JH |
328 | } |
329 | ||
d9ea9628 | 330 | void Channels::showEvent(QShowEvent *event) |
ed773982 | 331 | { |
d9ea9628 | 332 | pv::widgets::Popup::showEvent(event); |
b7b659aa | 333 | |
b5d20c6d SA |
334 | const shared_ptr<sigrok::Device> device = session_.device()->device(); |
335 | assert(device); | |
336 | ||
337 | // Update group labels | |
f4ab4b5c | 338 | for (auto& entry : device->channel_groups()) { |
b5d20c6d SA |
339 | const shared_ptr<ChannelGroup> group = entry.second; |
340 | ||
c5a87157 SA |
341 | if (group_label_map_.count(group) > 0) { |
342 | QLabel* label = group_label_map_[group]; | |
b5d20c6d | 343 | label->setText(QString("<h3>%1</h3>").arg(group->name().c_str())); |
b5d20c6d SA |
344 | } |
345 | } | |
346 | ||
8dbbc7f0 | 347 | updating_channels_ = true; |
b7b659aa | 348 | |
f4ab4b5c | 349 | for (auto& entry : check_box_signal_map_) { |
b5d20c6d SA |
350 | QCheckBox *cb = entry.first; |
351 | const shared_ptr<SignalBase> sig = entry.second; | |
488f068c JH |
352 | assert(sig); |
353 | ||
b5d20c6d SA |
354 | // Update the check box |
355 | cb->setChecked(sig->enabled()); | |
356 | cb->setText(sig->display_name()); | |
ed773982 | 357 | } |
b7b659aa | 358 | |
8dbbc7f0 | 359 | updating_channels_ = false; |
ed773982 JH |
360 | } |
361 | ||
1ed73ebd VPP |
362 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) |
363 | void Channels::on_channel_checked(QObject *widget) | |
364 | #else | |
6ac6242b | 365 | void Channels::on_channel_checked(QWidget *widget) |
1ed73ebd | 366 | #endif |
51d4a9ab | 367 | { |
8dbbc7f0 | 368 | if (updating_channels_) |
b7b659aa JH |
369 | return; |
370 | ||
488f068c JH |
371 | QCheckBox *const check_box = (QCheckBox*)widget; |
372 | assert(check_box); | |
373 | ||
374 | // Look up the signal of this check-box | |
bf0edd2b | 375 | map< QCheckBox*, shared_ptr<SignalBase> >::const_iterator iter = |
8dbbc7f0 JH |
376 | check_box_signal_map_.find((QCheckBox*)check_box); |
377 | assert(iter != check_box_signal_map_.end()); | |
488f068c | 378 | |
bf0edd2b | 379 | const shared_ptr<SignalBase> s = (*iter).second; |
aca00b1e | 380 | assert(s); |
488f068c | 381 | |
bf0edd2b | 382 | s->set_enabled(check_box->isChecked()); |
51d4a9ab JH |
383 | } |
384 | ||
6ac6242b | 385 | void Channels::enable_all_channels() |
ed773982 | 386 | { |
6ac6242b | 387 | set_all_channels(true); |
ed773982 JH |
388 | } |
389 | ||
6ac6242b | 390 | void Channels::disable_all_channels() |
ed773982 | 391 | { |
6ac6242b | 392 | set_all_channels(false); |
ed773982 JH |
393 | } |
394 | ||
5b35d18c SA |
395 | void Channels::enable_all_logic_channels() |
396 | { | |
7ceb2376 | 397 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) |
5b35d18c SA |
398 | { return signal->type() == SignalBase::LogicChannel; }); |
399 | } | |
400 | ||
8d49811c SA |
401 | void Channels::disable_all_logic_channels() |
402 | { | |
403 | disable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
404 | { return signal->type() == SignalBase::LogicChannel; }); | |
405 | } | |
406 | ||
5b35d18c SA |
407 | void Channels::enable_all_analog_channels() |
408 | { | |
7ceb2376 | 409 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) |
5b35d18c SA |
410 | { return signal->type() == SignalBase::AnalogChannel; }); |
411 | } | |
412 | ||
8d49811c SA |
413 | void Channels::disable_all_analog_channels() |
414 | { | |
415 | disable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
416 | { return signal->type() == SignalBase::AnalogChannel; }); | |
417 | } | |
418 | ||
5b35d18c SA |
419 | void Channels::enable_all_named_channels() |
420 | { | |
7ceb2376 | 421 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) |
5b35d18c SA |
422 | { return signal->name() != signal->internal_name(); }); |
423 | } | |
424 | ||
8d49811c SA |
425 | void Channels::disable_all_unnamed_channels() |
426 | { | |
427 | disable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
428 | { return signal->name() == signal->internal_name(); }); | |
429 | } | |
430 | ||
5b35d18c SA |
431 | void Channels::enable_all_changing_channels() |
432 | { | |
7ceb2376 | 433 | enable_channels_conditionally([](const shared_ptr<SignalBase> signal) |
5b35d18c | 434 | { |
d13d95b3 SA |
435 | // Never enable channels without sample data |
436 | if (!signal->has_samples()) | |
437 | return false; | |
438 | ||
5b35d18c SA |
439 | // Non-logic channels are considered to always have a signal |
440 | if (signal->type() != SignalBase::LogicChannel) | |
441 | return true; | |
442 | ||
443 | const shared_ptr<Logic> logic = signal->logic_data(); | |
444 | assert(logic); | |
445 | ||
446 | // If any of the segments has edges, enable this channel | |
447 | for (shared_ptr<LogicSegment> segment : logic->logic_segments()) { | |
448 | vector<LogicSegment::EdgePair> edges; | |
449 | ||
450 | segment->get_subsampled_edges(edges, | |
451 | 0, segment->get_sample_count() - 1, | |
452 | LogicSegment::MipMapScaleFactor, | |
453 | signal->index()); | |
454 | ||
455 | if (edges.size() > 2) | |
456 | return true; | |
457 | } | |
458 | ||
459 | // No edges detected in any of the segments | |
460 | return false; | |
461 | }); | |
462 | } | |
463 | ||
8d49811c SA |
464 | void Channels::disable_all_non_changing_channels() |
465 | { | |
466 | disable_channels_conditionally([](const shared_ptr<SignalBase> signal) | |
467 | { | |
468 | // Always disable channels without sample data | |
469 | if (!signal->has_samples()) | |
470 | return true; | |
471 | ||
472 | // Non-logic channels are considered to always have a signal | |
473 | if (signal->type() != SignalBase::LogicChannel) | |
474 | return false; | |
475 | ||
476 | const shared_ptr<Logic> logic = signal->logic_data(); | |
477 | assert(logic); | |
478 | ||
479 | // If any of the segments has edges, leave this channel enabled | |
480 | for (shared_ptr<LogicSegment> segment : logic->logic_segments()) { | |
481 | vector<LogicSegment::EdgePair> edges; | |
482 | ||
483 | segment->get_subsampled_edges(edges, | |
484 | 0, segment->get_sample_count() - 1, | |
485 | LogicSegment::MipMapScaleFactor, | |
486 | signal->index()); | |
487 | ||
488 | if (edges.size() > 2) | |
489 | return false; | |
490 | } | |
491 | ||
492 | // No edges detected in any of the segments | |
493 | return true; | |
494 | }); | |
495 | } | |
496 | ||
870ea3db UH |
497 | } // namespace popups |
498 | } // namespace pv |