2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
28 #include <QApplication>
31 #include <QFormLayout>
32 #include <QGridLayout>
37 #include "analogsignal.hpp"
38 #include "pv/data/analog.hpp"
39 #include "pv/data/analogsegment.hpp"
40 #include "pv/data/logic.hpp"
41 #include "pv/data/logicsegment.hpp"
42 #include "pv/data/signalbase.hpp"
43 #include "pv/globalsettings.hpp"
44 #include "pv/view/logicsignal.hpp"
45 #include "pv/view/view.hpp"
47 #include <libsigrokcxx/libsigrokcxx.hpp>
55 using std::numeric_limits;
57 using std::shared_ptr;
64 const QColor AnalogSignal::SignalColours[4] = {
65 QColor(0xC4, 0xA0, 0x00), // Yellow
66 QColor(0x87, 0x20, 0x7A), // Magenta
67 QColor(0x20, 0x4A, 0x87), // Blue
68 QColor(0x4E, 0x9A, 0x06) // Green
71 const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100);
72 const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100);
74 const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77);
76 const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float)
77 const float AnalogSignal::EnvelopeThreshold = 64.0f;
79 const int AnalogSignal::MaximumVDivs = 10;
80 const int AnalogSignal::MinScaleIndex = -6;
81 const int AnalogSignal::MaxScaleIndex = 7;
83 const int AnalogSignal::InfoTextMarginRight = 20;
84 const int AnalogSignal::InfoTextMarginBottom = 5;
86 AnalogSignal::AnalogSignal(
88 shared_ptr<data::SignalBase> base) :
89 Signal(session, base),
90 scale_index_(4), // 20 per div
91 scale_index_drag_offset_(0),
92 div_height_(3 * QFontMetrics(QApplication::font()).height()),
96 conversion_type_(data::SignalBase::NoConversion),
97 display_type_(DisplayBoth),
100 pv::data::Analog* analog_data =
101 dynamic_cast<pv::data::Analog*>(data().get());
103 connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
104 this, SLOT(on_samples_added()));
106 base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]);
110 shared_ptr<pv::data::SignalData> AnalogSignal::data() const
112 return base_->analog_data();
115 void AnalogSignal::save_settings(QSettings &settings) const
117 settings.setValue("pos_vdivs", pos_vdivs_);
118 settings.setValue("neg_vdivs", neg_vdivs_);
119 settings.setValue("scale_index", scale_index_);
120 settings.setValue("conversion_type", conversion_type_);
121 settings.setValue("display_type", display_type_);
122 settings.setValue("autoranging", autoranging_);
125 void AnalogSignal::restore_settings(QSettings &settings)
127 if (settings.contains("pos_vdivs"))
128 pos_vdivs_ = settings.value("pos_vdivs").toInt();
130 if (settings.contains("neg_vdivs"))
131 neg_vdivs_ = settings.value("neg_vdivs").toInt();
133 if (settings.contains("scale_index")) {
134 scale_index_ = settings.value("scale_index").toInt();
138 if (settings.contains("conversion_type")) {
139 conversion_type_ = (data::SignalBase::ConversionType)(settings.value("conversion_type").toInt());
140 update_conversion_type();
143 if (settings.contains("display_type"))
144 display_type_ = (DisplayType)(settings.value("display_type").toInt());
146 if (settings.contains("autoranging"))
147 autoranging_ = settings.value("autoranging").toBool();
150 pair<int, int> AnalogSignal::v_extents() const
152 const int ph = pos_vdivs_ * div_height_;
153 const int nh = neg_vdivs_ * div_height_;
154 return make_pair(-ph, nh);
157 int AnalogSignal::scale_handle_offset() const
159 const int h = (pos_vdivs_ + neg_vdivs_) * div_height_;
161 return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2;
164 void AnalogSignal::scale_handle_dragged(int offset)
166 const int h = (pos_vdivs_ + neg_vdivs_) * div_height_;
168 scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4);
173 void AnalogSignal::scale_handle_drag_release()
175 scale_index_drag_offset_ = scale_index_;
179 void AnalogSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
181 if (base_->enabled()) {
182 Trace::paint_back(p, pp);
183 paint_axis(p, pp, get_visual_y());
187 void AnalogSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
189 assert(base_->analog_data());
192 const int y = get_visual_y();
194 if (!base_->enabled())
197 if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) {
198 paint_grid(p, y, pp.left(), pp.right());
200 const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
201 base_->analog_data()->analog_segments();
202 if (segments.empty())
205 const shared_ptr<pv::data::AnalogSegment> &segment =
208 const double pixels_offset = pp.pixels_offset();
209 const double samplerate = max(1.0, segment->samplerate());
210 const pv::util::Timestamp& start_time = segment->start_time();
211 const int64_t last_sample = segment->get_sample_count() - 1;
212 const double samples_per_pixel = samplerate * pp.scale();
213 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
214 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
216 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
217 (int64_t)0), last_sample);
218 const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(),
219 (int64_t)0), last_sample);
221 if (samples_per_pixel < EnvelopeThreshold)
222 paint_trace(p, segment, y, pp.left(),
223 start_sample, end_sample,
224 pixels_offset, samples_per_pixel);
226 paint_envelope(p, segment, y, pp.left(),
227 start_sample, end_sample,
228 pixels_offset, samples_per_pixel);
231 if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) {
232 if (((conversion_type_ == data::SignalBase::A2LConversionByTreshold) ||
233 (conversion_type_ == data::SignalBase::A2LConversionBySchmittTrigger))) {
235 paint_logic_mid(p, pp);
240 void AnalogSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
245 if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) {
246 const int y = get_visual_y();
248 // Show the info section on the right side of the trace
249 const QString infotext = QString("%1 V/div").arg(resolution_);
251 p.setPen(base_->colour());
252 p.setFont(QApplication::font());
254 const QRectF bounding_rect = QRectF(pp.left(),
255 y + v_extents().first,
256 pp.width() - InfoTextMarginRight,
257 v_extents().second - v_extents().first - InfoTextMarginBottom);
259 p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext);
263 void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
265 p.setRenderHint(QPainter::Antialiasing, false);
267 if (pos_vdivs_ > 0) {
268 p.setPen(QPen(GridMajorColor, 1, Qt::DashLine));
269 for (int i = 1; i <= pos_vdivs_; i++) {
270 const float dy = i * div_height_;
271 p.drawLine(QLineF(left, y - dy, right, y - dy));
274 p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
275 for (int i = 0; i < pos_vdivs_; i++) {
276 const float dy = i * div_height_;
277 const float dy25 = dy + (0.25 * div_height_);
278 const float dy50 = dy + (0.50 * div_height_);
279 const float dy75 = dy + (0.75 * div_height_);
280 p.drawLine(QLineF(left, y - dy25, right, y - dy25));
281 p.drawLine(QLineF(left, y - dy50, right, y - dy50));
282 p.drawLine(QLineF(left, y - dy75, right, y - dy75));
286 if (neg_vdivs_ > 0) {
287 p.setPen(QPen(GridMajorColor, 1, Qt::DashLine));
288 for (int i = 1; i <= neg_vdivs_; i++) {
289 const float dy = i * div_height_;
290 p.drawLine(QLineF(left, y + dy, right, y + dy));
293 p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
294 for (int i = 0; i < neg_vdivs_; i++) {
295 const float dy = i * div_height_;
296 const float dy25 = dy + (0.25 * div_height_);
297 const float dy50 = dy + (0.50 * div_height_);
298 const float dy75 = dy + (0.75 * div_height_);
299 p.drawLine(QLineF(left, y + dy25, right, y + dy25));
300 p.drawLine(QLineF(left, y + dy50, right, y + dy50));
301 p.drawLine(QLineF(left, y + dy75, right, y + dy75));
305 p.setRenderHint(QPainter::Antialiasing, true);
308 void AnalogSignal::paint_trace(QPainter &p,
309 const shared_ptr<pv::data::AnalogSegment> &segment,
310 int y, int left, const int64_t start, const int64_t end,
311 const double pixels_offset, const double samples_per_pixel)
316 // Calculate and paint the sampling points if enabled and useful
317 GlobalSettings settings;
318 const bool show_sampling_points =
319 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
320 (samples_per_pixel < 0.25);
322 p.setPen(base_->colour());
324 const int64_t points_count = end - start;
326 QPointF *points = new QPointF[points_count];
327 QPointF *point = points;
329 QRectF *sampling_points = nullptr;
330 if (show_sampling_points)
331 sampling_points = new QRectF[points_count];
332 QRectF *sampling_point = sampling_points;
334 int64_t sample_count = min(points_count, TracePaintBlockSize);
335 int64_t block_sample = 0;
336 const float *sample_block = segment->get_samples(start, start + sample_count);
339 for (int64_t sample = start; sample != end; sample++, block_sample++) {
341 if (block_sample == TracePaintBlockSize) {
343 delete[] sample_block;
344 sample_count = min(points_count - sample, TracePaintBlockSize);
345 sample_block = segment->get_samples(sample, sample + sample_count);
348 const float x = (sample / samples_per_pixel -
349 pixels_offset) + left;
351 *point++ = QPointF(x, y - sample_block[block_sample] * scale_);
353 if (show_sampling_points)
355 QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w);
357 delete[] sample_block;
359 p.drawPolyline(points, points_count);
361 if (show_sampling_points) {
362 p.setPen(SamplingPointColour);
363 p.drawRects(sampling_points, points_count);
364 delete[] sampling_points;
370 void AnalogSignal::paint_envelope(QPainter &p,
371 const shared_ptr<pv::data::AnalogSegment> &segment,
372 int y, int left, const int64_t start, const int64_t end,
373 const double pixels_offset, const double samples_per_pixel)
375 using pv::data::AnalogSegment;
377 AnalogSegment::EnvelopeSection e;
378 segment->get_envelope_section(e, start, end, samples_per_pixel);
383 p.setPen(QPen(Qt::NoPen));
384 p.setBrush(base_->colour());
386 QRectF *const rects = new QRectF[e.length];
387 QRectF *rect = rects;
389 for (uint64_t sample = 0; sample < e.length - 1; sample++) {
390 const float x = ((e.scale * sample + e.start) /
391 samples_per_pixel - pixels_offset) + left;
392 const AnalogSegment::EnvelopeSample *const s =
395 // We overlap this sample with the next so that vertical
396 // gaps do not appear during steep rising or falling edges
397 const float b = y - max(s->max, (s + 1)->min) * scale_;
398 const float t = y - min(s->min, (s + 1)->max) * scale_;
401 if (h >= 0.0f && h <= 1.0f)
403 if (h <= 0.0f && h >= -1.0f)
406 *rect++ = QRectF(x, t, 1.0f, h);
409 p.drawRects(rects, e.length);
415 void AnalogSignal::paint_logic_mid(QPainter &p, const ViewItemPaintParams &pp)
419 vector< pair<int64_t, bool> > edges;
423 const int y = get_visual_y();
425 if (!base_->enabled())
428 const int signal_margin =
429 QFontMetrics(QApplication::font()).height() / 2;
431 const int ph = min(pos_vdivs_, 1) * div_height_;
432 const int nh = min(neg_vdivs_, 1) * div_height_;
433 const float high_offset = y - ph + signal_margin + 0.5f;
434 const float low_offset = y + nh - signal_margin - 0.5f;
436 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
437 base_->logic_data()->logic_segments();
438 if (segments.empty())
441 const shared_ptr<pv::data::LogicSegment> &segment =
444 double samplerate = segment->samplerate();
446 // Show sample rate as 1Hz when it is unknown
447 if (samplerate == 0.0)
450 const double pixels_offset = pp.pixels_offset();
451 const pv::util::Timestamp& start_time = segment->start_time();
452 const int64_t last_sample = segment->get_sample_count() - 1;
453 const double samples_per_pixel = samplerate * pp.scale();
454 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
455 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
457 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
458 (int64_t)0), last_sample);
459 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
460 (int64_t)0), last_sample);
462 segment->get_subsampled_edges(edges, start_sample, end_sample,
463 samples_per_pixel / LogicSignal::Oversampling, 0);
464 assert(edges.size() >= 2);
467 const unsigned int edge_count = edges.size() - 2;
468 QLineF *const edge_lines = new QLineF[edge_count];
471 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
472 const float x = ((*i).first / samples_per_pixel -
473 pixels_offset) + pp.left();
474 *line++ = QLineF(x, high_offset, x, low_offset);
477 p.setPen(LogicSignal::EdgeColour);
478 p.drawLines(edge_lines, edge_count);
482 const unsigned int max_cap_line_count = edges.size();
483 QLineF *const cap_lines = new QLineF[max_cap_line_count];
485 p.setPen(LogicSignal::HighColour);
486 paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel,
487 pixels_offset, pp.left(), high_offset);
488 p.setPen(LogicSignal::LowColour);
489 paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel,
490 pixels_offset, pp.left(), low_offset);
494 // Return if we don't need to paint the sampling points
495 GlobalSettings settings;
496 const bool show_sampling_points =
497 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
499 if (!show_sampling_points || (samples_per_pixel >= 0.25))
502 // Paint the sampling points
503 const uint64_t sampling_points_count = end_sample - start_sample + 1;
504 QRectF *const sampling_points = new QRectF[sampling_points_count];
505 QRectF *sampling_point = sampling_points;
508 const float y_middle = high_offset - ((high_offset - low_offset) / 2);
509 for (uint64_t i = start_sample; i < end_sample + 1; ++i) {
510 const float x = (i / samples_per_pixel - pixels_offset) + pp.left();
511 *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w);
514 p.setPen(SamplingPointColour);
515 p.drawRects(sampling_points, sampling_points_count);
516 delete[] sampling_points;
519 void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines,
520 vector< pair<int64_t, bool> > &edges, bool level,
521 double samples_per_pixel, double pixels_offset, float x_offset,
524 QLineF *line = lines;
526 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
527 if ((*i).second == level) {
529 ((*i).first / samples_per_pixel -
530 pixels_offset) + x_offset, y_offset,
531 ((*(i+1)).first / samples_per_pixel -
532 pixels_offset) + x_offset, y_offset);
535 p.drawLines(lines, line - lines);
538 float AnalogSignal::get_resolution(int scale_index)
540 const float seq[] = {1.0f, 2.0f, 5.0f};
542 const int offset = numeric_limits<int>::max() / (2 * countof(seq));
543 const div_t d = div((int)(scale_index + countof(seq) * offset),
546 return powf(10.0f, d.quot - offset) * seq[d.rem];
549 void AnalogSignal::update_scale()
551 resolution_ = get_resolution(scale_index_);
552 scale_ = div_height_ / resolution_;
555 void AnalogSignal::update_conversion_type()
557 base_->set_conversion_type(conversion_type_);
560 owner_->row_item_appearance_changed(false, true);
563 void AnalogSignal::perform_autoranging(bool force_update)
565 const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
566 base_->analog_data()->analog_segments();
568 if (segments.empty())
571 static double prev_min = 0, prev_max = 0;
572 double min = 0, max = 0;
574 for (shared_ptr<pv::data::AnalogSegment> segment : segments) {
575 pair<double, double> mm = segment->get_min_max();
576 min = std::min(min, mm.first);
577 max = std::max(max, mm.second);
580 if ((min == prev_min) && (max == prev_max) && !force_update)
586 // Use all divs for the positive range if there are no negative values
587 if ((min == 0) && (neg_vdivs_ > 0)) {
588 pos_vdivs_ += neg_vdivs_;
592 // Split up the divs if there are negative values but no negative divs
593 if ((min < 0) && (neg_vdivs_ == 0)) {
594 neg_vdivs_ = pos_vdivs_ / 2;
595 pos_vdivs_ -= neg_vdivs_;
598 double min_value_per_div;
599 if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0))
600 min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_);
601 else if (pos_vdivs_ > 0)
602 min_value_per_div = max / pos_vdivs_;
604 min_value_per_div = -min / neg_vdivs_;
606 // Find first scale value that is bigger than the value we need
607 for (int i = MinScaleIndex; i < MaxScaleIndex; i++)
608 if (get_resolution(i) > min_value_per_div) {
616 void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
618 // Add the standard options
619 Signal::populate_popup_form(parent, form);
621 QFormLayout *const layout = new QFormLayout;
623 // Add the number of vdivs
624 QSpinBox *pvdiv_sb = new QSpinBox(parent);
625 pvdiv_sb->setRange(0, MaximumVDivs);
626 pvdiv_sb->setValue(pos_vdivs_);
627 connect(pvdiv_sb, SIGNAL(valueChanged(int)),
628 this, SLOT(on_pos_vdivs_changed(int)));
629 layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb);
631 QSpinBox *nvdiv_sb = new QSpinBox(parent);
632 nvdiv_sb->setRange(0, MaximumVDivs);
633 nvdiv_sb->setValue(neg_vdivs_);
634 connect(nvdiv_sb, SIGNAL(valueChanged(int)),
635 this, SLOT(on_neg_vdivs_changed(int)));
636 layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb);
638 // Add the vertical resolution
639 resolution_cb_ = new QComboBox(parent);
641 for (int i = MinScaleIndex; i < MaxScaleIndex; i++) {
642 const QString label = QString("%1").arg(get_resolution(i));
643 resolution_cb_->insertItem(0, label, QVariant(i));
646 int cur_idx = resolution_cb_->findData(QVariant(scale_index_));
647 resolution_cb_->setCurrentIndex(cur_idx);
649 connect(resolution_cb_, SIGNAL(currentIndexChanged(int)),
650 this, SLOT(on_resolution_changed(int)));
652 QGridLayout *const vdiv_layout = new QGridLayout;
653 QLabel *const vdiv_unit = new QLabel(tr("V/div"));
654 vdiv_layout->addWidget(resolution_cb_, 0, 0);
655 vdiv_layout->addWidget(vdiv_unit, 0, 1);
657 layout->addRow(tr("Vertical resolution"), vdiv_layout);
659 // Add the autoranging checkbox
660 QCheckBox* autoranging_cb = new QCheckBox();
661 autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked);
663 connect(autoranging_cb, SIGNAL(stateChanged(int)),
664 this, SLOT(on_autoranging_changed(int)));
666 layout->addRow(tr("Autoranging"), autoranging_cb);
668 // Add the conversion type dropdown
669 conversion_cb_ = new QComboBox();
671 conversion_cb_->addItem("none", data::SignalBase::NoConversion);
672 conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold);
673 conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger);
675 cur_idx = conversion_cb_->findData(QVariant(conversion_type_));
676 conversion_cb_->setCurrentIndex(cur_idx);
678 layout->addRow(tr("Conversion"), conversion_cb_);
680 connect(conversion_cb_, SIGNAL(currentIndexChanged(int)),
681 this, SLOT(on_conversion_changed(int)));
683 // Add the display type dropdown
684 display_type_cb_ = new QComboBox();
686 display_type_cb_->addItem(tr("Analog"), DisplayAnalog);
687 display_type_cb_->addItem(tr("Converted"), DisplayConverted);
688 display_type_cb_->addItem(tr("Both"), DisplayBoth);
690 cur_idx = display_type_cb_->findData(QVariant(display_type_));
691 display_type_cb_->setCurrentIndex(cur_idx);
693 layout->addRow(tr("Traces to show:"), display_type_cb_);
695 connect(display_type_cb_, SIGNAL(currentIndexChanged(int)),
696 this, SLOT(on_display_type_changed(int)));
698 form->addRow(layout);
701 void AnalogSignal::on_samples_added()
703 perform_autoranging();
706 // Call order is important, otherwise the lazy event handler won't work
707 owner_->extents_changed(false, true);
708 owner_->row_item_appearance_changed(false, true);
712 void AnalogSignal::on_pos_vdivs_changed(int vdivs)
717 perform_autoranging(true);
720 // Call order is important, otherwise the lazy event handler won't work
721 owner_->extents_changed(false, true);
722 owner_->row_item_appearance_changed(false, true);
726 void AnalogSignal::on_neg_vdivs_changed(int vdivs)
731 perform_autoranging(true);
734 // Call order is important, otherwise the lazy event handler won't work
735 owner_->extents_changed(false, true);
736 owner_->row_item_appearance_changed(false, true);
740 void AnalogSignal::on_resolution_changed(int index)
742 scale_index_ = resolution_cb_->itemData(index).toInt();
746 owner_->row_item_appearance_changed(false, true);
749 void AnalogSignal::on_autoranging_changed(int state)
751 autoranging_ = (state == Qt::Checked);
754 perform_autoranging(true);
757 // Call order is important, otherwise the lazy event handler won't work
758 owner_->extents_changed(false, true);
759 owner_->row_item_appearance_changed(false, true);
763 void AnalogSignal::on_conversion_changed(int index)
765 data::SignalBase::ConversionType old_conv_type = conversion_type_;
767 conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt());
769 if (conversion_type_ != old_conv_type) {
770 base_->set_conversion_type(conversion_type_);
771 update_conversion_type();
775 void AnalogSignal::on_display_type_changed(int index)
777 display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt());
780 owner_->row_item_appearance_changed(false, true);
783 } // namespace TraceView