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/>.
21 #include <libsigrokdecode/libsigrokdecode.h>
30 #include <boost/functional/hash.hpp>
33 #include <QApplication>
35 #include <QFormLayout>
38 #include <QPushButton>
41 #include "decodetrace.hpp"
43 #include "viewport.hpp"
45 #include <pv/globalsettings.hpp>
46 #include <pv/session.hpp>
47 #include <pv/strnatcmp.hpp>
48 #include <pv/data/decodesignal.hpp>
49 #include <pv/data/decode/annotation.hpp>
50 #include <pv/data/decode/decoder.hpp>
51 #include <pv/data/logic.hpp>
52 #include <pv/data/logicsegment.hpp>
53 #include <pv/widgets/decodergroupbox.hpp>
54 #include <pv/widgets/decodermenu.hpp>
60 using std::out_of_range;
62 using std::shared_ptr;
66 using pv::data::decode::Annotation;
67 using pv::data::decode::Row;
68 using pv::data::DecodeChannel;
69 using pv::data::DecodeSignal;
76 #define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */
77 #define DECODETRACE_COLOR_VALUE (170) /* 0-255 */
79 const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29);
80 const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85);
82 const int DecodeTrace::ArrowSize = 4;
83 const double DecodeTrace::EndCapWidth = 5;
84 const int DecodeTrace::RowTitleMargin = 10;
85 const int DecodeTrace::DrawPadding = 100;
87 const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz
89 DecodeTrace::DecodeTrace(pv::Session &session,
90 shared_ptr<data::SignalBase> signalbase, int index) :
96 show_hide_mapper_(this)
98 decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_);
100 // Determine shortest string we want to see displayed in full
101 QFontMetrics m(QApplication::font());
102 min_useful_label_width_ = m.width("XX"); // e.g. two hex characters
104 // For the base color, we want to start at a very different color for
105 // every decoder stack, so multiply the index with a number that is
106 // rather close to 180 degrees of the color circle but not a dividend of 360
107 // Note: The offset equals the color of the first annotation
109 const int h = (120 + 160 * index) % 360;
110 const int s = DECODETRACE_COLOR_SATURATION;
111 const int v = DECODETRACE_COLOR_VALUE;
112 color.setHsv(h, s, v);
113 base_->set_color(color);
115 connect(decode_signal_.get(), SIGNAL(new_annotations()),
116 this, SLOT(on_new_annotations()));
117 connect(decode_signal_.get(), SIGNAL(decode_reset()),
118 this, SLOT(on_decode_reset()));
119 connect(decode_signal_.get(), SIGNAL(decode_finished()),
120 this, SLOT(on_decode_finished()));
121 connect(decode_signal_.get(), SIGNAL(channels_updated()),
122 this, SLOT(on_channels_updated()));
124 connect(&delete_mapper_, SIGNAL(mapped(int)),
125 this, SLOT(on_delete_decoder(int)));
126 connect(&show_hide_mapper_, SIGNAL(mapped(int)),
127 this, SLOT(on_show_hide_decoder(int)));
129 connect(&delayed_trace_updater_, SIGNAL(timeout()),
130 this, SLOT(on_delayed_trace_update()));
131 delayed_trace_updater_.setSingleShot(true);
132 delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate);
135 bool DecodeTrace::enabled() const
140 shared_ptr<data::SignalBase> DecodeTrace::base() const
145 pair<int, int> DecodeTrace::v_extents() const
147 const int row_height = (ViewItemPaintParams::text_height() * 6) / 4;
149 // Make an empty decode trace appear symmetrical
150 const int row_count = max(1, max_visible_rows_);
152 return make_pair(-row_height, row_height * row_count);
155 void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp)
157 Trace::paint_back(p, pp);
158 paint_axis(p, pp, get_visual_y());
161 void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
163 const int text_height = ViewItemPaintParams::text_height();
164 row_height_ = (text_height * 6) / 4;
165 const int annotation_height = (text_height * 5) / 4;
167 const QString err = decode_signal_->error_message();
168 if (!err.isEmpty()) {
169 draw_unresolved_period(
170 p, annotation_height, pp.left(), pp.right());
171 draw_error(p, err, pp);
175 // Set default pen to allow for text width calculation
178 // Iterate through the rows
179 int y = get_visual_y();
180 pair<uint64_t, uint64_t> sample_range = get_sample_range(
181 pp.left(), pp.right());
183 const vector<Row> rows = decode_signal_->visible_rows();
185 visible_rows_.clear();
186 for (const Row& row : rows) {
187 // Cache the row title widths
190 row_title_width = row_title_widths_.at(row);
191 } catch (out_of_range&) {
192 const int w = p.boundingRect(QRectF(), 0, row.title()).width() +
194 row_title_widths_[row] = w;
198 vector<Annotation> annotations;
199 decode_signal_->get_annotation_subset(annotations, row,
200 current_segment_, sample_range.first, sample_range.second);
201 if (!annotations.empty()) {
202 draw_annotations(annotations, p, annotation_height, pp, y,
203 get_row_color(visible_rows_.size()), row_title_width);
207 visible_rows_.push_back(row);
212 draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
214 if ((int)visible_rows_.size() > max_visible_rows_) {
215 max_visible_rows_ = (int)visible_rows_.size();
217 // Call order is important, otherwise the lazy event handler won't work
218 owner_->extents_changed(false, true);
219 owner_->row_item_appearance_changed(false, true);
223 void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
227 for (size_t i = 0; i < visible_rows_.size(); i++) {
228 const int y = i * row_height_ + get_visual_y();
230 p.setPen(QPen(Qt::NoPen));
231 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
234 const QPointF points[] = {
235 QPointF(pp.left(), y - ArrowSize),
236 QPointF(pp.left() + ArrowSize, y),
237 QPointF(pp.left(), y + ArrowSize)
239 p.drawPolygon(points, countof(points));
242 const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2,
243 pp.right() - pp.left(), row_height_);
244 const QString h(visible_rows_[i].title());
245 const int f = Qt::AlignLeft | Qt::AlignVCenter |
249 p.setPen(QApplication::palette().color(QPalette::Base));
250 for (int dx = -1; dx <= 1; dx++)
251 for (int dy = -1; dy <= 1; dy++)
252 if (dx != 0 && dy != 0)
253 p.drawText(r.translated(dx, dy), f, h);
256 p.setPen(QApplication::palette().color(QPalette::WindowText));
261 void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
263 using pv::data::decode::Decoder;
267 // Add the standard options
268 Trace::populate_popup_form(parent, form);
270 // Add the decoder options
272 channel_id_map_.clear();
273 init_state_map_.clear();
274 decoder_forms_.clear();
276 const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack();
279 QLabel *const l = new QLabel(
280 tr("<p><i>No decoders in the stack</i></p>"));
281 l->setAlignment(Qt::AlignCenter);
284 auto iter = stack.cbegin();
285 for (int i = 0; i < (int)stack.size(); i++, iter++) {
286 shared_ptr<Decoder> dec(*iter);
287 create_decoder_form(i, dec, parent, form);
290 form->addRow(new QLabel(
291 tr("<i>* Required channels</i>"), parent));
294 // Add stacking button
295 pv::widgets::DecoderMenu *const decoder_menu =
296 new pv::widgets::DecoderMenu(parent);
297 connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
298 this, SLOT(on_stack_decoder(srd_decoder*)));
300 QPushButton *const stack_button =
301 new QPushButton(tr("Stack Decoder"), parent);
302 stack_button->setMenu(decoder_menu);
303 stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one"));
305 QHBoxLayout *stack_button_box = new QHBoxLayout;
306 stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
307 form->addRow(stack_button_box);
310 QMenu* DecodeTrace::create_context_menu(QWidget *parent)
312 QMenu *const menu = Trace::create_context_menu(parent);
314 menu->addSeparator();
316 QAction *const del = new QAction(tr("Delete"), this);
317 del->setShortcuts(QKeySequence::Delete);
318 connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
319 menu->addAction(del);
324 void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations,
325 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
326 QColor row_color, int row_title_width)
328 using namespace pv::data::decode;
330 vector<Annotation> a_block;
333 double samples_per_pixel, pixels_offset;
334 tie(pixels_offset, samples_per_pixel) =
335 get_pixels_offset_samples_per_pixel();
337 // Sort the annotations by start sample so that decoders
338 // can't confuse us by creating annotations out of order
339 stable_sort(annotations.begin(), annotations.end(),
340 [](const Annotation &a, const Annotation &b) {
341 return a.start_sample() < b.start_sample(); });
343 // Gather all annotations that form a visual "block" and draw them as such
344 for (const Annotation &a : annotations) {
346 const int a_start = a.start_sample() / samples_per_pixel - pixels_offset;
347 const int a_end = a.end_sample() / samples_per_pixel - pixels_offset;
348 const int a_width = a_end - a_start;
350 const int delta = a_end - p_end;
352 bool a_is_separate = false;
354 // Annotation wider than the threshold for a useful label width?
355 if (a_width >= min_useful_label_width_) {
356 for (const QString &ann_text : a.annotations()) {
357 const int w = p.boundingRect(QRectF(), 0, ann_text).width();
358 // Annotation wide enough to fit a label? Don't put it in a block then
360 a_is_separate = true;
366 // Were the previous and this annotation more than a pixel apart?
367 if ((abs(delta) > 1) || a_is_separate) {
368 // Block was broken, draw annotations that form the current block
369 if (a_block.size() == 1) {
370 draw_annotation(a_block.front(), p, h, pp, y, row_color,
374 draw_annotation_block(a_block, p, h, y, row_color);
380 draw_annotation(a, p, h, pp, y, row_color, row_title_width);
381 // Next annotation must start a new block. delta will be > 1
382 // because we set p_end to INT_MIN but that's okay since
383 // a_block will be empty, so nothing will be drawn
386 a_block.push_back(a);
391 if (a_block.size() == 1)
392 draw_annotation(a_block.front(), p, h, pp, y, row_color, row_title_width);
394 draw_annotation_block(a_block, p, h, y, row_color);
397 void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
398 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
399 QColor row_color, int row_title_width) const
401 double samples_per_pixel, pixels_offset;
402 tie(pixels_offset, samples_per_pixel) =
403 get_pixels_offset_samples_per_pixel();
405 const double start = a.start_sample() / samples_per_pixel -
407 const double end = a.end_sample() / samples_per_pixel - pixels_offset;
409 QColor color = get_annotation_color(row_color, a.ann_class());
410 p.setPen(color.darker());
413 if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
416 if (a.start_sample() == a.end_sample())
417 draw_instant(a, p, h, start, y);
419 draw_range(a, p, h, start, end, y, pp, row_title_width);
422 void DecodeTrace::draw_annotation_block(
423 vector<pv::data::decode::Annotation> annotations, QPainter &p, int h,
424 int y, QColor row_color) const
426 using namespace pv::data::decode;
428 if (annotations.empty())
431 double samples_per_pixel, pixels_offset;
432 tie(pixels_offset, samples_per_pixel) =
433 get_pixels_offset_samples_per_pixel();
435 const double start = annotations.front().start_sample() /
436 samples_per_pixel - pixels_offset;
437 const double end = annotations.back().end_sample() /
438 samples_per_pixel - pixels_offset;
440 const double top = y + .5 - h / 2;
441 const double bottom = y + .5 + h / 2;
443 QColor color = get_annotation_color(row_color, annotations.front().ann_class());
445 // Check if all annotations are of the same type (i.e. we can use one color)
446 // or if we should use a neutral color (i.e. gray)
447 const Annotation::Class ann_class = annotations.front().ann_class();
448 const bool single_class = all_of(
449 annotations.begin(), annotations.end(),
450 [&](const Annotation &a) { return a.ann_class() == ann_class; });
452 const QRectF rect(start, top, end - start, bottom - top);
455 p.setPen(QPen(Qt::NoPen));
456 p.setBrush(Qt::white);
457 p.drawRoundedRect(rect, r, r);
459 p.setPen((single_class ? color.darker() : Qt::gray));
460 p.setBrush(QBrush((single_class ? color : Qt::gray), Qt::Dense4Pattern));
461 p.drawRoundedRect(rect, r, r);
464 void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
465 int h, double x, int y) const
467 const QString text = a.annotations().empty() ?
468 QString() : a.annotations().back();
469 const double w = min((double)p.boundingRect(QRectF(), 0, text).width(),
471 const QRectF rect(x - w / 2, y - h / 2, w, h);
473 p.drawRoundedRect(rect, h / 2, h / 2);
476 p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
479 void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
480 int h, double start, double end, int y, const ViewItemPaintParams &pp,
481 int row_title_width) const
483 const double top = y + .5 - h / 2;
484 const double bottom = y + .5 + h / 2;
485 const vector<QString> annotations = a.annotations();
487 // If the two ends are within 1 pixel, draw a vertical line
488 if (start + 1.0 > end) {
489 p.drawLine(QPointF(start, top), QPointF(start, bottom));
493 const double cap_width = min((end - start) / 4, EndCapWidth);
496 QPointF(start, y + .5f),
497 QPointF(start + cap_width, top),
498 QPointF(end - cap_width, top),
499 QPointF(end, y + .5f),
500 QPointF(end - cap_width, bottom),
501 QPointF(start + cap_width, bottom)
504 p.drawConvexPolygon(pts, countof(pts));
506 if (annotations.empty())
509 const int ann_start = start + cap_width;
510 const int ann_end = end - cap_width;
512 const int real_start = max(ann_start, pp.left() + row_title_width);
513 const int real_end = min(ann_end, pp.right());
514 const int real_width = real_end - real_start;
516 QRectF rect(real_start, y - h / 2, real_width, h);
517 if (rect.width() <= 4)
522 // Try to find an annotation that will fit
523 QString best_annotation;
526 for (const QString &a : annotations) {
527 const int w = p.boundingRect(QRectF(), 0, a).width();
528 if (w <= rect.width() && w > best_width)
529 best_annotation = a, best_width = w;
532 if (best_annotation.isEmpty())
533 best_annotation = annotations.back();
535 // If not ellide the last in the list
536 p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
537 best_annotation, Qt::ElideRight, rect.width()));
540 void DecodeTrace::draw_error(QPainter &p, const QString &message,
541 const ViewItemPaintParams &pp)
543 const int y = get_visual_y();
545 p.setPen(ErrorBgColor.darker());
546 p.setBrush(ErrorBgColor);
548 const QRectF bounding_rect =
549 QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX);
550 const QRectF text_rect = p.boundingRect(bounding_rect,
551 Qt::AlignCenter, message);
552 const float r = text_rect.height() / 4;
554 p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
558 p.drawText(text_rect, message);
561 void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const
563 using namespace pv::data;
564 using pv::data::decode::Decoder;
566 double samples_per_pixel, pixels_offset;
568 const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_);
569 if (sample_count == 0)
572 const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(current_segment_);
573 if (sample_count == samples_decoded)
576 const int y = get_visual_y();
578 tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel();
580 const double start = max(samples_decoded /
581 samples_per_pixel - pixels_offset, left - 1.0);
582 const double end = min(sample_count / samples_per_pixel -
583 pixels_offset, right + 1.0);
584 const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h);
586 p.setPen(QPen(Qt::NoPen));
587 p.setBrush(Qt::white);
588 p.drawRect(no_decode_rect);
590 p.setPen(NoDecodeColor);
591 p.setBrush(QBrush(NoDecodeColor, Qt::Dense6Pattern));
592 p.drawRect(no_decode_rect);
595 pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
599 const View *view = owner_->view();
602 const double scale = view->scale();
605 const double pixels_offset =
606 ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>();
608 double samplerate = decode_signal_->samplerate();
610 // Show sample rate as 1Hz when it is unknown
611 if (samplerate == 0.0)
614 return make_pair(pixels_offset, samplerate * scale);
617 pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(
618 int x_start, int x_end) const
620 double samples_per_pixel, pixels_offset;
621 tie(pixels_offset, samples_per_pixel) =
622 get_pixels_offset_samples_per_pixel();
624 const uint64_t start = (uint64_t)max(
625 (x_start + pixels_offset) * samples_per_pixel, 0.0);
626 const uint64_t end = (uint64_t)max(
627 (x_end + pixels_offset) * samples_per_pixel, 0.0);
629 return make_pair(start, end);
632 QColor DecodeTrace::get_row_color(int row_index) const
634 // For each row color, use the base color hue and add an offset that's
635 // not a dividend of 360
638 const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360;
639 const int s = DECODETRACE_COLOR_SATURATION;
640 const int v = DECODETRACE_COLOR_VALUE;
641 color.setHsl(h, s, v);
646 QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const
648 // For each row color, use the base color hue and add an offset that's
649 // not a dividend of 360 and not a multiple of the row offset
651 QColor color(row_color);
652 const int h = (color.toHsv().hue() + 55 * annotation_index) % 360;
653 const int s = DECODETRACE_COLOR_SATURATION;
654 const int v = DECODETRACE_COLOR_VALUE;
655 color.setHsl(h, s, v);
660 int DecodeTrace::get_row_at_point(const QPoint &point)
665 const int y = (point.y() - get_visual_y() + row_height_ / 2);
667 /* Integer divison of (x-1)/x would yield 0, so we check for this. */
671 const int row = y / row_height_;
673 if (row >= (int)visible_rows_.size())
679 const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
681 using namespace pv::data::decode;
686 const pair<uint64_t, uint64_t> sample_range =
687 get_sample_range(point.x(), point.x() + 1);
688 const int row = get_row_at_point(point);
692 vector<pv::data::decode::Annotation> annotations;
694 decode_signal_->get_annotation_subset(annotations, visible_rows_[row],
695 current_segment_, sample_range.first, sample_range.second);
697 return (annotations.empty()) ?
698 QString() : annotations[0].annotations().front();
701 void DecodeTrace::hover_point_changed(const QPoint &hp)
705 const View *const view = owner_->view();
709 QToolTip::hideText();
713 QString ann = get_annotation_at_point(hp);
717 if (!row_height_ || ann.isEmpty()) {
718 QToolTip::hideText();
722 const int hover_row = get_row_at_point(hp);
724 QFontMetrics m(QToolTip::font());
725 const QRect text_size = m.boundingRect(QRect(), 0, ann);
727 // This is OS-specific and unfortunately we can't query it, so
728 // use an approximation to at least try to minimize the error.
729 const int padding = 8;
731 // Make sure the tool tip doesn't overlap with the mouse cursor.
732 // If it did, the tool tip would constantly hide and re-appear.
733 // We also push it up by one row so that it appears above the
734 // decode trace, not below.
736 p.setX(hp.x() - (text_size.width() / 2) - padding);
738 p.setY(get_visual_y() - (row_height_ / 2) +
739 (hover_row * row_height_) -
740 row_height_ - text_size.height() - padding);
742 QToolTip::showText(view->viewport()->mapToGlobal(p), ann);
745 void DecodeTrace::create_decoder_form(int index,
746 shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
749 GlobalSettings settings;
752 const srd_decoder *const decoder = dec->decoder();
755 const bool decoder_deletable = index > 0;
757 pv::widgets::DecoderGroupBox *const group =
758 new pv::widgets::DecoderGroupBox(
759 QString::fromUtf8(decoder->name),
760 tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname),
761 QString::fromUtf8(decoder->desc)),
762 nullptr, decoder_deletable);
763 group->set_decoder_visible(dec->shown());
765 if (decoder_deletable) {
766 delete_mapper_.setMapping(group, index);
767 connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map()));
770 show_hide_mapper_.setMapping(group, index);
771 connect(group, SIGNAL(show_hide_decoder()),
772 &show_hide_mapper_, SLOT(map()));
774 QFormLayout *const decoder_form = new QFormLayout;
775 group->add_layout(decoder_form);
777 const vector<DecodeChannel> channels = decode_signal_->get_channels();
780 for (DecodeChannel ch : channels) {
781 // Ignore channels not part of the decoder we create the form for
782 if (ch.decoder_ != dec)
785 QComboBox *const combo = create_channel_selector(parent, &ch);
786 QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch);
788 channel_id_map_[combo] = ch.id;
789 init_state_map_[combo_init_state] = ch.id;
791 connect(combo, SIGNAL(currentIndexChanged(int)),
792 this, SLOT(on_channel_selected(int)));
793 connect(combo_init_state, SIGNAL(currentIndexChanged(int)),
794 this, SLOT(on_init_state_changed(int)));
796 QHBoxLayout *const hlayout = new QHBoxLayout;
797 hlayout->addWidget(combo);
798 hlayout->addWidget(combo_init_state);
800 if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool())
801 combo_init_state->hide();
803 const QString required_flag = ch.is_optional ? QString() : QString("*");
804 decoder_form->addRow(tr("<b>%1</b> (%2) %3")
805 .arg(ch.name, ch.desc, required_flag), hlayout);
809 shared_ptr<binding::Decoder> binding(
810 new binding::Decoder(decode_signal_, dec));
811 binding->add_properties_to_form(decoder_form, true);
813 bindings_.push_back(binding);
816 decoder_forms_.push_back(group);
819 QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch)
821 const auto sigs(session_.signalbases());
823 // Sort signals in natural order
824 vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end());
825 sort(sig_list.begin(), sig_list.end(),
826 [](const shared_ptr<data::SignalBase> &a,
827 const shared_ptr<data::SignalBase> &b) {
828 return strnatcasecmp(a->name().toStdString(),
829 b->name().toStdString()) < 0; });
831 QComboBox *selector = new QComboBox(parent);
833 selector->addItem("-", qVariantFromValue((void*)nullptr));
835 if (!ch->assigned_signal)
836 selector->setCurrentIndex(0);
838 for (const shared_ptr<data::SignalBase> &b : sig_list) {
840 if (b->logic_data() && b->enabled()) {
841 selector->addItem(b->name(),
842 qVariantFromValue((void*)b.get()));
844 if (ch->assigned_signal == b.get())
845 selector->setCurrentIndex(selector->count() - 1);
852 QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent,
853 const DecodeChannel *ch)
855 QComboBox *selector = new QComboBox(parent);
857 selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW));
858 selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH));
859 selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0));
861 selector->setCurrentIndex(ch->initial_pin_state);
863 selector->setToolTip("Initial (assumed) pin value before the first sample");
868 void DecodeTrace::on_new_annotations()
870 if (!delayed_trace_updater_.isActive())
871 delayed_trace_updater_.start();
874 void DecodeTrace::on_delayed_trace_update()
877 owner_->row_item_appearance_changed(false, true);
880 void DecodeTrace::on_decode_reset()
882 visible_rows_.clear();
883 max_visible_rows_ = 0;
886 owner_->row_item_appearance_changed(false, true);
889 void DecodeTrace::on_decode_finished()
892 owner_->row_item_appearance_changed(false, true);
895 void DecodeTrace::delete_pressed()
900 void DecodeTrace::on_delete()
902 session_.remove_decode_signal(decode_signal_);
905 void DecodeTrace::on_channel_selected(int)
907 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
909 // Determine signal that was selected
910 const data::SignalBase *signal =
911 (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>();
913 // Determine decode channel ID this combo box is the channel selector for
914 const uint16_t id = channel_id_map_.at(cb);
916 decode_signal_->assign_signal(id, signal);
919 void DecodeTrace::on_channels_updated()
922 owner_->row_item_appearance_changed(false, true);
925 void DecodeTrace::on_init_state_changed(int)
927 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
929 // Determine inital pin state that was selected
930 int init_state = cb->itemData(cb->currentIndex()).value<int>();
932 // Determine decode channel ID this combo box is the channel selector for
933 const uint16_t id = init_state_map_.at(cb);
935 decode_signal_->set_initial_pin_state(id, init_state);
938 void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
940 decode_signal_->stack_decoder(decoder);
945 void DecodeTrace::on_delete_decoder(int index)
947 decode_signal_->remove_decoder(index);
949 // Force re-calculation of the trace height, see paint_mid()
950 max_visible_rows_ = 0;
951 owner_->extents_changed(false, true);
957 void DecodeTrace::on_show_hide_decoder(int index)
959 const bool state = decode_signal_->toggle_decoder_visibility(index);
961 assert(index < (int)decoder_forms_.size());
962 decoder_forms_[index]->set_decoder_visible(state);
965 // Force re-calculation of the trace height, see paint_mid()
966 max_visible_rows_ = 0;
967 owner_->extents_changed(false, true);
971 owner_->row_item_appearance_changed(false, true);