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 GlobalSettings settings;
268 const bool show_analog_minor_grid =
269 settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
271 if (pos_vdivs_ > 0) {
272 p.setPen(QPen(GridMajorColor, 1, Qt::DashLine));
273 for (int i = 1; i <= pos_vdivs_; i++) {
274 const float dy = i * div_height_;
275 p.drawLine(QLineF(left, y - dy, right, y - dy));
279 if ((pos_vdivs_ > 0) && show_analog_minor_grid) {
280 p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
281 for (int i = 0; i < pos_vdivs_; i++) {
282 const float dy = i * div_height_;
283 const float dy25 = dy + (0.25 * div_height_);
284 const float dy50 = dy + (0.50 * div_height_);
285 const float dy75 = dy + (0.75 * div_height_);
286 p.drawLine(QLineF(left, y - dy25, right, y - dy25));
287 p.drawLine(QLineF(left, y - dy50, right, y - dy50));
288 p.drawLine(QLineF(left, y - dy75, right, y - dy75));
292 if (neg_vdivs_ > 0) {
293 p.setPen(QPen(GridMajorColor, 1, Qt::DashLine));
294 for (int i = 1; i <= neg_vdivs_; i++) {
295 const float dy = i * div_height_;
296 p.drawLine(QLineF(left, y + dy, right, y + dy));
300 if ((pos_vdivs_ > 0) && show_analog_minor_grid) {
301 p.setPen(QPen(GridMinorColor, 1, Qt::DashLine));
302 for (int i = 0; i < neg_vdivs_; i++) {
303 const float dy = i * div_height_;
304 const float dy25 = dy + (0.25 * div_height_);
305 const float dy50 = dy + (0.50 * div_height_);
306 const float dy75 = dy + (0.75 * div_height_);
307 p.drawLine(QLineF(left, y + dy25, right, y + dy25));
308 p.drawLine(QLineF(left, y + dy50, right, y + dy50));
309 p.drawLine(QLineF(left, y + dy75, right, y + dy75));
313 p.setRenderHint(QPainter::Antialiasing, true);
316 void AnalogSignal::paint_trace(QPainter &p,
317 const shared_ptr<pv::data::AnalogSegment> &segment,
318 int y, int left, const int64_t start, const int64_t end,
319 const double pixels_offset, const double samples_per_pixel)
324 // Calculate and paint the sampling points if enabled and useful
325 GlobalSettings settings;
326 const bool show_sampling_points =
327 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
328 (samples_per_pixel < 0.25);
330 p.setPen(base_->colour());
332 const int64_t points_count = end - start;
334 QPointF *points = new QPointF[points_count];
335 QPointF *point = points;
337 QRectF *sampling_points = nullptr;
338 if (show_sampling_points)
339 sampling_points = new QRectF[points_count];
340 QRectF *sampling_point = sampling_points;
342 int64_t sample_count = min(points_count, TracePaintBlockSize);
343 int64_t block_sample = 0;
344 const float *sample_block = segment->get_samples(start, start + sample_count);
347 for (int64_t sample = start; sample != end; sample++, block_sample++) {
349 if (block_sample == TracePaintBlockSize) {
351 delete[] sample_block;
352 sample_count = min(points_count - sample, TracePaintBlockSize);
353 sample_block = segment->get_samples(sample, sample + sample_count);
356 const float x = (sample / samples_per_pixel -
357 pixels_offset) + left;
359 *point++ = QPointF(x, y - sample_block[block_sample] * scale_);
361 if (show_sampling_points)
363 QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w);
365 delete[] sample_block;
367 p.drawPolyline(points, points_count);
369 if (show_sampling_points) {
370 p.setPen(SamplingPointColour);
371 p.drawRects(sampling_points, points_count);
372 delete[] sampling_points;
378 void AnalogSignal::paint_envelope(QPainter &p,
379 const shared_ptr<pv::data::AnalogSegment> &segment,
380 int y, int left, const int64_t start, const int64_t end,
381 const double pixels_offset, const double samples_per_pixel)
383 using pv::data::AnalogSegment;
385 AnalogSegment::EnvelopeSection e;
386 segment->get_envelope_section(e, start, end, samples_per_pixel);
391 p.setPen(QPen(Qt::NoPen));
392 p.setBrush(base_->colour());
394 QRectF *const rects = new QRectF[e.length];
395 QRectF *rect = rects;
397 for (uint64_t sample = 0; sample < e.length - 1; sample++) {
398 const float x = ((e.scale * sample + e.start) /
399 samples_per_pixel - pixels_offset) + left;
400 const AnalogSegment::EnvelopeSample *const s =
403 // We overlap this sample with the next so that vertical
404 // gaps do not appear during steep rising or falling edges
405 const float b = y - max(s->max, (s + 1)->min) * scale_;
406 const float t = y - min(s->min, (s + 1)->max) * scale_;
409 if (h >= 0.0f && h <= 1.0f)
411 if (h <= 0.0f && h >= -1.0f)
414 *rect++ = QRectF(x, t, 1.0f, h);
417 p.drawRects(rects, e.length);
423 void AnalogSignal::paint_logic_mid(QPainter &p, const ViewItemPaintParams &pp)
427 vector< pair<int64_t, bool> > edges;
431 const int y = get_visual_y();
433 if (!base_->enabled())
436 const int signal_margin =
437 QFontMetrics(QApplication::font()).height() / 2;
439 const int ph = min(pos_vdivs_, 1) * div_height_;
440 const int nh = min(neg_vdivs_, 1) * div_height_;
441 const float high_offset = y - ph + signal_margin + 0.5f;
442 const float low_offset = y + nh - signal_margin - 0.5f;
444 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
445 base_->logic_data()->logic_segments();
446 if (segments.empty())
449 const shared_ptr<pv::data::LogicSegment> &segment =
452 double samplerate = segment->samplerate();
454 // Show sample rate as 1Hz when it is unknown
455 if (samplerate == 0.0)
458 const double pixels_offset = pp.pixels_offset();
459 const pv::util::Timestamp& start_time = segment->start_time();
460 const int64_t last_sample = segment->get_sample_count() - 1;
461 const double samples_per_pixel = samplerate * pp.scale();
462 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
463 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
465 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
466 (int64_t)0), last_sample);
467 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
468 (int64_t)0), last_sample);
470 segment->get_subsampled_edges(edges, start_sample, end_sample,
471 samples_per_pixel / LogicSignal::Oversampling, 0);
472 assert(edges.size() >= 2);
475 const unsigned int edge_count = edges.size() - 2;
476 QLineF *const edge_lines = new QLineF[edge_count];
479 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
480 const float x = ((*i).first / samples_per_pixel -
481 pixels_offset) + pp.left();
482 *line++ = QLineF(x, high_offset, x, low_offset);
485 p.setPen(LogicSignal::EdgeColour);
486 p.drawLines(edge_lines, edge_count);
490 const unsigned int max_cap_line_count = edges.size();
491 QLineF *const cap_lines = new QLineF[max_cap_line_count];
493 p.setPen(LogicSignal::HighColour);
494 paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel,
495 pixels_offset, pp.left(), high_offset);
496 p.setPen(LogicSignal::LowColour);
497 paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel,
498 pixels_offset, pp.left(), low_offset);
502 // Return if we don't need to paint the sampling points
503 GlobalSettings settings;
504 const bool show_sampling_points =
505 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
507 if (!show_sampling_points || (samples_per_pixel >= 0.25))
510 // Paint the sampling points
511 const uint64_t sampling_points_count = end_sample - start_sample + 1;
512 QRectF *const sampling_points = new QRectF[sampling_points_count];
513 QRectF *sampling_point = sampling_points;
516 const float y_middle = high_offset - ((high_offset - low_offset) / 2);
517 for (uint64_t i = start_sample; i < end_sample + 1; ++i) {
518 const float x = (i / samples_per_pixel - pixels_offset) + pp.left();
519 *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w);
522 p.setPen(SamplingPointColour);
523 p.drawRects(sampling_points, sampling_points_count);
524 delete[] sampling_points;
527 void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines,
528 vector< pair<int64_t, bool> > &edges, bool level,
529 double samples_per_pixel, double pixels_offset, float x_offset,
532 QLineF *line = lines;
534 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
535 if ((*i).second == level) {
537 ((*i).first / samples_per_pixel -
538 pixels_offset) + x_offset, y_offset,
539 ((*(i+1)).first / samples_per_pixel -
540 pixels_offset) + x_offset, y_offset);
543 p.drawLines(lines, line - lines);
546 float AnalogSignal::get_resolution(int scale_index)
548 const float seq[] = {1.0f, 2.0f, 5.0f};
550 const int offset = numeric_limits<int>::max() / (2 * countof(seq));
551 const div_t d = div((int)(scale_index + countof(seq) * offset),
554 return powf(10.0f, d.quot - offset) * seq[d.rem];
557 void AnalogSignal::update_scale()
559 resolution_ = get_resolution(scale_index_);
560 scale_ = div_height_ / resolution_;
563 void AnalogSignal::update_conversion_type()
565 base_->set_conversion_type(conversion_type_);
568 owner_->row_item_appearance_changed(false, true);
571 void AnalogSignal::perform_autoranging(bool force_update)
573 const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
574 base_->analog_data()->analog_segments();
576 if (segments.empty())
579 static double prev_min = 0, prev_max = 0;
580 double min = 0, max = 0;
582 for (shared_ptr<pv::data::AnalogSegment> segment : segments) {
583 pair<double, double> mm = segment->get_min_max();
584 min = std::min(min, mm.first);
585 max = std::max(max, mm.second);
588 if ((min == prev_min) && (max == prev_max) && !force_update)
594 // Use all divs for the positive range if there are no negative values
595 if ((min == 0) && (neg_vdivs_ > 0)) {
596 pos_vdivs_ += neg_vdivs_;
600 // Split up the divs if there are negative values but no negative divs
601 if ((min < 0) && (neg_vdivs_ == 0)) {
602 neg_vdivs_ = pos_vdivs_ / 2;
603 pos_vdivs_ -= neg_vdivs_;
606 double min_value_per_div;
607 if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0))
608 min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_);
609 else if (pos_vdivs_ > 0)
610 min_value_per_div = max / pos_vdivs_;
612 min_value_per_div = -min / neg_vdivs_;
614 // Find first scale value that is bigger than the value we need
615 for (int i = MinScaleIndex; i < MaxScaleIndex; i++)
616 if (get_resolution(i) > min_value_per_div) {
624 void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
626 // Add the standard options
627 Signal::populate_popup_form(parent, form);
629 QFormLayout *const layout = new QFormLayout;
631 // Add the number of vdivs
632 QSpinBox *pvdiv_sb = new QSpinBox(parent);
633 pvdiv_sb->setRange(0, MaximumVDivs);
634 pvdiv_sb->setValue(pos_vdivs_);
635 connect(pvdiv_sb, SIGNAL(valueChanged(int)),
636 this, SLOT(on_pos_vdivs_changed(int)));
637 layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb);
639 QSpinBox *nvdiv_sb = new QSpinBox(parent);
640 nvdiv_sb->setRange(0, MaximumVDivs);
641 nvdiv_sb->setValue(neg_vdivs_);
642 connect(nvdiv_sb, SIGNAL(valueChanged(int)),
643 this, SLOT(on_neg_vdivs_changed(int)));
644 layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb);
646 // Add the vertical resolution
647 resolution_cb_ = new QComboBox(parent);
649 for (int i = MinScaleIndex; i < MaxScaleIndex; i++) {
650 const QString label = QString("%1").arg(get_resolution(i));
651 resolution_cb_->insertItem(0, label, QVariant(i));
654 int cur_idx = resolution_cb_->findData(QVariant(scale_index_));
655 resolution_cb_->setCurrentIndex(cur_idx);
657 connect(resolution_cb_, SIGNAL(currentIndexChanged(int)),
658 this, SLOT(on_resolution_changed(int)));
660 QGridLayout *const vdiv_layout = new QGridLayout;
661 QLabel *const vdiv_unit = new QLabel(tr("V/div"));
662 vdiv_layout->addWidget(resolution_cb_, 0, 0);
663 vdiv_layout->addWidget(vdiv_unit, 0, 1);
665 layout->addRow(tr("Vertical resolution"), vdiv_layout);
667 // Add the autoranging checkbox
668 QCheckBox* autoranging_cb = new QCheckBox();
669 autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked);
671 connect(autoranging_cb, SIGNAL(stateChanged(int)),
672 this, SLOT(on_autoranging_changed(int)));
674 layout->addRow(tr("Autoranging"), autoranging_cb);
676 // Add the conversion type dropdown
677 conversion_cb_ = new QComboBox();
679 conversion_cb_->addItem("none", data::SignalBase::NoConversion);
680 conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold);
681 conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger);
683 cur_idx = conversion_cb_->findData(QVariant(conversion_type_));
684 conversion_cb_->setCurrentIndex(cur_idx);
686 layout->addRow(tr("Conversion"), conversion_cb_);
688 connect(conversion_cb_, SIGNAL(currentIndexChanged(int)),
689 this, SLOT(on_conversion_changed(int)));
691 // Add the display type dropdown
692 display_type_cb_ = new QComboBox();
694 display_type_cb_->addItem(tr("Analog"), DisplayAnalog);
695 display_type_cb_->addItem(tr("Converted"), DisplayConverted);
696 display_type_cb_->addItem(tr("Both"), DisplayBoth);
698 cur_idx = display_type_cb_->findData(QVariant(display_type_));
699 display_type_cb_->setCurrentIndex(cur_idx);
701 layout->addRow(tr("Traces to show:"), display_type_cb_);
703 connect(display_type_cb_, SIGNAL(currentIndexChanged(int)),
704 this, SLOT(on_display_type_changed(int)));
706 form->addRow(layout);
709 void AnalogSignal::on_samples_added()
711 perform_autoranging();
714 // Call order is important, otherwise the lazy event handler won't work
715 owner_->extents_changed(false, true);
716 owner_->row_item_appearance_changed(false, true);
720 void AnalogSignal::on_pos_vdivs_changed(int vdivs)
725 perform_autoranging(true);
728 // Call order is important, otherwise the lazy event handler won't work
729 owner_->extents_changed(false, true);
730 owner_->row_item_appearance_changed(false, true);
734 void AnalogSignal::on_neg_vdivs_changed(int vdivs)
739 perform_autoranging(true);
742 // Call order is important, otherwise the lazy event handler won't work
743 owner_->extents_changed(false, true);
744 owner_->row_item_appearance_changed(false, true);
748 void AnalogSignal::on_resolution_changed(int index)
750 scale_index_ = resolution_cb_->itemData(index).toInt();
754 owner_->row_item_appearance_changed(false, true);
757 void AnalogSignal::on_autoranging_changed(int state)
759 autoranging_ = (state == Qt::Checked);
762 perform_autoranging(true);
765 // Call order is important, otherwise the lazy event handler won't work
766 owner_->extents_changed(false, true);
767 owner_->row_item_appearance_changed(false, true);
771 void AnalogSignal::on_conversion_changed(int index)
773 data::SignalBase::ConversionType old_conv_type = conversion_type_;
775 conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt());
777 if (conversion_type_ != old_conv_type) {
778 base_->set_conversion_type(conversion_type_);
779 update_conversion_type();
783 void AnalogSignal::on_display_type_changed(int index)
785 display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt());
788 owner_->row_item_appearance_changed(false, true);
791 } // namespace TraceView