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>
29 #include <boost/functional/hash.hpp>
32 #include <QApplication>
34 #include <QFormLayout>
37 #include <QPushButton>
40 #include "decodetrace.hpp"
42 #include "viewport.hpp"
44 #include <pv/globalsettings.hpp>
45 #include <pv/session.hpp>
46 #include <pv/strnatcmp.hpp>
47 #include <pv/data/decodesignal.hpp>
48 #include <pv/data/decode/annotation.hpp>
49 #include <pv/data/decode/decoder.hpp>
50 #include <pv/data/logic.hpp>
51 #include <pv/data/logicsegment.hpp>
52 #include <pv/widgets/decodergroupbox.hpp>
53 #include <pv/widgets/decodermenu.hpp>
59 using std::out_of_range;
61 using std::shared_ptr;
65 using pv::data::decode::Annotation;
66 using pv::data::decode::Row;
67 using pv::data::DecodeChannel;
68 using pv::data::DecodeSignal;
75 #define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */
76 #define DECODETRACE_COLOR_VALUE (170) /* 0-255 */
78 const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29);
79 const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85);
81 const int DecodeTrace::ArrowSize = 4;
82 const double DecodeTrace::EndCapWidth = 5;
83 const int DecodeTrace::RowTitleMargin = 10;
84 const int DecodeTrace::DrawPadding = 100;
86 const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz
88 DecodeTrace::DecodeTrace(pv::Session &session,
89 shared_ptr<data::SignalBase> signalbase, int index) :
95 show_hide_mapper_(this)
97 decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_);
99 // Determine shortest string we want to see displayed in full
100 QFontMetrics m(QApplication::font());
101 min_useful_label_width_ = m.width("XX"); // e.g. two hex characters
103 // For the base color, we want to start at a very different color for
104 // every decoder stack, so multiply the index with a number that is
105 // rather close to 180 degrees of the color circle but not a dividend of 360
106 // Note: The offset equals the color of the first annotation
108 const int h = (120 + 160 * index) % 360;
109 const int s = DECODETRACE_COLOR_SATURATION;
110 const int v = DECODETRACE_COLOR_VALUE;
111 color.setHsv(h, s, v);
112 base_->set_color(color);
114 connect(decode_signal_.get(), SIGNAL(new_annotations()),
115 this, SLOT(on_new_annotations()));
116 connect(decode_signal_.get(), SIGNAL(decode_reset()),
117 this, SLOT(on_decode_reset()));
118 connect(decode_signal_.get(), SIGNAL(decode_finished()),
119 this, SLOT(on_decode_finished()));
120 connect(decode_signal_.get(), SIGNAL(channels_updated()),
121 this, SLOT(on_channels_updated()));
123 connect(&delete_mapper_, SIGNAL(mapped(int)),
124 this, SLOT(on_delete_decoder(int)));
125 connect(&show_hide_mapper_, SIGNAL(mapped(int)),
126 this, SLOT(on_show_hide_decoder(int)));
128 connect(&delayed_trace_updater_, SIGNAL(timeout()),
129 this, SLOT(on_delayed_trace_update()));
130 delayed_trace_updater_.setSingleShot(true);
131 delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate);
134 bool DecodeTrace::enabled() const
139 shared_ptr<data::SignalBase> DecodeTrace::base() const
144 pair<int, int> DecodeTrace::v_extents() const
146 const int row_height = (ViewItemPaintParams::text_height() * 6) / 4;
148 // Make an empty decode trace appear symmetrical
149 const int row_count = max(1, max_visible_rows_);
151 return make_pair(-row_height, row_height * row_count);
154 void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp)
156 Trace::paint_back(p, pp);
157 paint_axis(p, pp, get_visual_y());
160 void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
162 const int text_height = ViewItemPaintParams::text_height();
163 row_height_ = (text_height * 6) / 4;
164 const int annotation_height = (text_height * 5) / 4;
166 // Set default pen to allow for text width calculation
169 // Iterate through the rows
170 int y = get_visual_y();
171 pair<uint64_t, uint64_t> sample_range = get_sample_range(pp.left(), pp.right());
173 // Just because the view says we see a certain sample range it
174 // doesn't mean we have this many decoded samples, too, so crop
175 // the range to what has been decoded already
176 sample_range.second = min((int64_t)sample_range.second,
177 decode_signal_->get_decoded_sample_count(current_segment_, false));
179 const vector<Row> rows = decode_signal_->visible_rows();
181 visible_rows_.clear();
182 for (const Row& row : rows) {
183 // Cache the row title widths
186 row_title_width = row_title_widths_.at(row);
187 } catch (out_of_range&) {
188 const int w = p.boundingRect(QRectF(), 0, row.title()).width() +
190 row_title_widths_[row] = w;
194 vector<Annotation> annotations;
195 decode_signal_->get_annotation_subset(annotations, row,
196 current_segment_, sample_range.first, sample_range.second);
197 if (!annotations.empty()) {
198 draw_annotations(annotations, p, annotation_height, pp, y,
199 get_row_color(row.index()), row_title_width);
201 visible_rows_.push_back(row);
205 draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
207 if ((int)visible_rows_.size() > max_visible_rows_) {
208 max_visible_rows_ = (int)visible_rows_.size();
210 // Call order is important, otherwise the lazy event handler won't work
211 owner_->extents_changed(false, true);
212 owner_->row_item_appearance_changed(false, true);
215 const QString err = decode_signal_->error_message();
217 draw_error(p, err, pp);
220 void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
224 for (size_t i = 0; i < visible_rows_.size(); i++) {
225 const int y = i * row_height_ + get_visual_y();
227 p.setPen(QPen(Qt::NoPen));
228 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
231 const QPointF points[] = {
232 QPointF(pp.left(), y - ArrowSize),
233 QPointF(pp.left() + ArrowSize, y),
234 QPointF(pp.left(), y + ArrowSize)
236 p.drawPolygon(points, countof(points));
239 const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2,
240 pp.right() - pp.left(), row_height_);
241 const QString h(visible_rows_[i].title());
242 const int f = Qt::AlignLeft | Qt::AlignVCenter |
246 p.setPen(QApplication::palette().color(QPalette::Base));
247 for (int dx = -1; dx <= 1; dx++)
248 for (int dy = -1; dy <= 1; dy++)
249 if (dx != 0 && dy != 0)
250 p.drawText(r.translated(dx, dy), f, h);
253 p.setPen(QApplication::palette().color(QPalette::WindowText));
257 if (show_hover_marker_)
258 paint_hover_marker(p);
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 Annotation::Class block_class = 0;
331 bool block_class_uniform = true;
332 qreal block_start = 0;
333 int block_ann_count = 0;
335 const Annotation *prev_ann;
336 qreal prev_end = INT_MIN;
340 double samples_per_pixel, pixels_offset;
341 tie(pixels_offset, samples_per_pixel) =
342 get_pixels_offset_samples_per_pixel();
344 // Sort the annotations by start sample so that decoders
345 // can't confuse us by creating annotations out of order
346 stable_sort(annotations.begin(), annotations.end(),
347 [](const Annotation &a, const Annotation &b) {
348 return a.start_sample() < b.start_sample(); });
350 // Gather all annotations that form a visual "block" and draw them as such
351 for (const Annotation &a : annotations) {
353 const qreal abs_a_start = a.start_sample() / samples_per_pixel;
354 const qreal abs_a_end = a.end_sample() / samples_per_pixel;
356 const qreal a_start = abs_a_start - pixels_offset;
357 a_end = abs_a_end - pixels_offset;
359 const qreal a_width = a_end - a_start;
360 const qreal delta = a_end - prev_end;
362 bool a_is_separate = false;
364 // Annotation wider than the threshold for a useful label width?
365 if (a_width >= min_useful_label_width_) {
366 for (const QString &ann_text : a.annotations()) {
367 const qreal w = p.boundingRect(QRectF(), 0, ann_text).width();
368 // Annotation wide enough to fit a label? Don't put it in a block then
370 a_is_separate = true;
376 // Were the previous and this annotation more than a pixel apart?
377 if ((abs(delta) > 1) || a_is_separate) {
378 // Block was broken, draw annotations that form the current block
379 if (block_ann_count == 1)
380 draw_annotation(*prev_ann, p, h, pp, y, row_color,
382 else if (block_ann_count > 0)
383 draw_annotation_block(block_start, prev_end, block_class,
384 block_class_uniform, p, h, y, row_color);
390 draw_annotation(a, p, h, pp, y, row_color, row_title_width);
391 // Next annotation must start a new block. delta will be > 1
392 // because we set prev_end to INT_MIN but that's okay since
393 // block_ann_count will be 0 and nothing will be drawn
400 if (block_ann_count == 0) {
401 block_start = a_start;
402 block_class = a.ann_class();
403 block_class_uniform = true;
405 if (a.ann_class() != block_class)
406 block_class_uniform = false;
412 if (block_ann_count == 1)
413 draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width);
414 else if (block_ann_count > 0)
415 draw_annotation_block(block_start, prev_end, block_class,
416 block_class_uniform, p, h, y, row_color);
419 void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
420 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
421 QColor row_color, int row_title_width) const
423 double samples_per_pixel, pixels_offset;
424 tie(pixels_offset, samples_per_pixel) =
425 get_pixels_offset_samples_per_pixel();
427 const double start = a.start_sample() / samples_per_pixel -
429 const double end = a.end_sample() / samples_per_pixel - pixels_offset;
431 QColor color = get_annotation_color(row_color, a.ann_class());
432 p.setPen(color.darker());
435 if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
438 if (a.start_sample() == a.end_sample())
439 draw_instant(a, p, h, start, y);
441 draw_range(a, p, h, start, end, y, pp, row_title_width);
444 void DecodeTrace::draw_annotation_block(qreal start, qreal end,
445 Annotation::Class ann_class, bool use_ann_format, QPainter &p, int h,
446 int y, QColor row_color) const
448 const double top = y + .5 - h / 2;
449 const double bottom = y + .5 + h / 2;
451 const QRectF rect(start, top, end - start, bottom - top);
454 p.setPen(QPen(Qt::NoPen));
455 p.setBrush(Qt::white);
456 p.drawRoundedRect(rect, r, r);
458 // If all annotations in this block are of the same type, we can use the
459 // one format that all of these annotations have. Otherwise, we should use
460 // a neutral color (i.e. gray)
461 if (use_ann_format) {
462 const QColor color = get_annotation_color(row_color, ann_class);
463 p.setPen(color.darker());
464 p.setBrush(QBrush(color, Qt::Dense4Pattern));
467 p.setBrush(QBrush(Qt::gray, Qt::Dense4Pattern));
470 p.drawRoundedRect(rect, r, r);
473 void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
474 int h, qreal x, int y) const
476 const QString text = a.annotations().empty() ?
477 QString() : a.annotations().back();
478 const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(),
480 const QRectF rect(x - w / 2, y - h / 2, w, h);
482 p.drawRoundedRect(rect, h / 2, h / 2);
485 p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
488 void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
489 int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp,
490 int row_title_width) const
492 const qreal top = y + .5 - h / 2;
493 const qreal bottom = y + .5 + h / 2;
494 const vector<QString> annotations = a.annotations();
496 // If the two ends are within 1 pixel, draw a vertical line
497 if (start + 1.0 > end) {
498 p.drawLine(QPointF(start, top), QPointF(start, bottom));
502 const qreal cap_width = min((end - start) / 4, EndCapWidth);
505 QPointF(start, y + .5f),
506 QPointF(start + cap_width, top),
507 QPointF(end - cap_width, top),
508 QPointF(end, y + .5f),
509 QPointF(end - cap_width, bottom),
510 QPointF(start + cap_width, bottom)
513 p.drawConvexPolygon(pts, countof(pts));
515 if (annotations.empty())
518 const int ann_start = start + cap_width;
519 const int ann_end = end - cap_width;
521 const int real_start = max(ann_start, pp.left() + row_title_width);
522 const int real_end = min(ann_end, pp.right());
523 const int real_width = real_end - real_start;
525 QRectF rect(real_start, y - h / 2, real_width, h);
526 if (rect.width() <= 4)
531 // Try to find an annotation that will fit
532 QString best_annotation;
535 for (const QString &a : annotations) {
536 const int w = p.boundingRect(QRectF(), 0, a).width();
537 if (w <= rect.width() && w > best_width)
538 best_annotation = a, best_width = w;
541 if (best_annotation.isEmpty())
542 best_annotation = annotations.back();
544 // If not ellide the last in the list
545 p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
546 best_annotation, Qt::ElideRight, rect.width()));
549 void DecodeTrace::draw_error(QPainter &p, const QString &message,
550 const ViewItemPaintParams &pp)
552 const int y = get_visual_y();
554 double samples_per_pixel, pixels_offset;
555 tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel();
557 p.setPen(ErrorBgColor.darker());
558 p.setBrush(ErrorBgColor);
560 const QRectF bounding_rect = QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX);
562 const QRectF text_rect = p.boundingRect(bounding_rect, Qt::AlignCenter, message);
563 const qreal r = text_rect.height() / 4;
565 p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, Qt::AbsoluteSize);
568 p.drawText(text_rect, message);
571 void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const
573 using namespace pv::data;
574 using pv::data::decode::Decoder;
576 double samples_per_pixel, pixels_offset;
578 const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_);
579 if (sample_count == 0)
582 const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(current_segment_, true);
583 if (sample_count == samples_decoded)
586 const int y = get_visual_y();
588 tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel();
590 const double start = max(samples_decoded /
591 samples_per_pixel - pixels_offset, left - 1.0);
592 const double end = min(sample_count / samples_per_pixel -
593 pixels_offset, right + 1.0);
594 const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h);
596 p.setPen(QPen(Qt::NoPen));
597 p.setBrush(Qt::white);
598 p.drawRect(no_decode_rect);
600 p.setPen(NoDecodeColor);
601 p.setBrush(QBrush(NoDecodeColor, Qt::Dense6Pattern));
602 p.drawRect(no_decode_rect);
605 pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
609 const View *view = owner_->view();
612 const double scale = view->scale();
615 const double pixels_offset =
616 ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>();
618 double samplerate = decode_signal_->samplerate();
620 // Show sample rate as 1Hz when it is unknown
621 if (samplerate == 0.0)
624 return make_pair(pixels_offset, samplerate * scale);
627 pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(
628 int x_start, int x_end) const
630 double samples_per_pixel, pixels_offset;
631 tie(pixels_offset, samples_per_pixel) =
632 get_pixels_offset_samples_per_pixel();
634 const uint64_t start = (uint64_t)max(
635 (x_start + pixels_offset) * samples_per_pixel, 0.0);
636 const uint64_t end = (uint64_t)max(
637 (x_end + pixels_offset) * samples_per_pixel, 0.0);
639 return make_pair(start, end);
642 QColor DecodeTrace::get_row_color(int row_index) const
644 // For each row color, use the base color hue and add an offset that's
645 // not a dividend of 360
648 const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360;
649 const int s = DECODETRACE_COLOR_SATURATION;
650 const int v = DECODETRACE_COLOR_VALUE;
651 color.setHsl(h, s, v);
656 QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const
658 // For each row color, use the base color hue and add an offset that's
659 // not a dividend of 360 and not a multiple of the row offset
661 QColor color(row_color);
662 const int h = (color.toHsv().hue() + 55 * annotation_index) % 360;
663 const int s = DECODETRACE_COLOR_SATURATION;
664 const int v = DECODETRACE_COLOR_VALUE;
665 color.setHsl(h, s, v);
670 int DecodeTrace::get_row_at_point(const QPoint &point)
675 const int y = (point.y() - get_visual_y() + row_height_ / 2);
677 /* Integer divison of (x-1)/x would yield 0, so we check for this. */
681 const int row = y / row_height_;
683 if (row >= (int)visible_rows_.size())
689 const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
691 using namespace pv::data::decode;
696 const pair<uint64_t, uint64_t> sample_range =
697 get_sample_range(point.x(), point.x() + 1);
698 const int row = get_row_at_point(point);
702 vector<pv::data::decode::Annotation> annotations;
704 decode_signal_->get_annotation_subset(annotations, visible_rows_[row],
705 current_segment_, sample_range.first, sample_range.second);
707 return (annotations.empty()) ?
708 QString() : annotations[0].annotations().front();
711 void DecodeTrace::hover_point_changed(const QPoint &hp)
713 Trace::hover_point_changed(hp);
717 const View *const view = owner_->view();
721 QToolTip::hideText();
725 QString ann = get_annotation_at_point(hp);
729 if (!row_height_ || ann.isEmpty()) {
730 QToolTip::hideText();
734 const int hover_row = get_row_at_point(hp);
736 QFontMetrics m(QToolTip::font());
737 const QRect text_size = m.boundingRect(QRect(), 0, ann);
739 // This is OS-specific and unfortunately we can't query it, so
740 // use an approximation to at least try to minimize the error.
741 const int padding = 8;
743 // Make sure the tool tip doesn't overlap with the mouse cursor.
744 // If it did, the tool tip would constantly hide and re-appear.
745 // We also push it up by one row so that it appears above the
746 // decode trace, not below.
748 p.setX(hp.x() - (text_size.width() / 2) - padding);
750 p.setY(get_visual_y() - (row_height_ / 2) +
751 (hover_row * row_height_) -
752 row_height_ - text_size.height() - padding);
754 QToolTip::showText(view->viewport()->mapToGlobal(p), ann);
757 void DecodeTrace::create_decoder_form(int index,
758 shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
761 GlobalSettings settings;
764 const srd_decoder *const decoder = dec->decoder();
767 const bool decoder_deletable = index > 0;
769 pv::widgets::DecoderGroupBox *const group =
770 new pv::widgets::DecoderGroupBox(
771 QString::fromUtf8(decoder->name),
772 tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname),
773 QString::fromUtf8(decoder->desc)),
774 nullptr, decoder_deletable);
775 group->set_decoder_visible(dec->shown());
777 if (decoder_deletable) {
778 delete_mapper_.setMapping(group, index);
779 connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map()));
782 show_hide_mapper_.setMapping(group, index);
783 connect(group, SIGNAL(show_hide_decoder()),
784 &show_hide_mapper_, SLOT(map()));
786 QFormLayout *const decoder_form = new QFormLayout;
787 group->add_layout(decoder_form);
789 const vector<DecodeChannel> channels = decode_signal_->get_channels();
792 for (DecodeChannel ch : channels) {
793 // Ignore channels not part of the decoder we create the form for
794 if (ch.decoder_ != dec)
797 QComboBox *const combo = create_channel_selector(parent, &ch);
798 QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch);
800 channel_id_map_[combo] = ch.id;
801 init_state_map_[combo_init_state] = ch.id;
803 connect(combo, SIGNAL(currentIndexChanged(int)),
804 this, SLOT(on_channel_selected(int)));
805 connect(combo_init_state, SIGNAL(currentIndexChanged(int)),
806 this, SLOT(on_init_state_changed(int)));
808 QHBoxLayout *const hlayout = new QHBoxLayout;
809 hlayout->addWidget(combo);
810 hlayout->addWidget(combo_init_state);
812 if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool())
813 combo_init_state->hide();
815 const QString required_flag = ch.is_optional ? QString() : QString("*");
816 decoder_form->addRow(tr("<b>%1</b> (%2) %3")
817 .arg(ch.name, ch.desc, required_flag), hlayout);
821 shared_ptr<binding::Decoder> binding(
822 new binding::Decoder(decode_signal_, dec));
823 binding->add_properties_to_form(decoder_form, true);
825 bindings_.push_back(binding);
828 decoder_forms_.push_back(group);
831 QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch)
833 const auto sigs(session_.signalbases());
835 // Sort signals in natural order
836 vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end());
837 sort(sig_list.begin(), sig_list.end(),
838 [](const shared_ptr<data::SignalBase> &a,
839 const shared_ptr<data::SignalBase> &b) {
840 return strnatcasecmp(a->name().toStdString(),
841 b->name().toStdString()) < 0; });
843 QComboBox *selector = new QComboBox(parent);
845 selector->addItem("-", qVariantFromValue((void*)nullptr));
847 if (!ch->assigned_signal)
848 selector->setCurrentIndex(0);
850 for (const shared_ptr<data::SignalBase> &b : sig_list) {
852 if (b->logic_data() && b->enabled()) {
853 selector->addItem(b->name(),
854 qVariantFromValue((void*)b.get()));
856 if (ch->assigned_signal == b.get())
857 selector->setCurrentIndex(selector->count() - 1);
864 QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent,
865 const DecodeChannel *ch)
867 QComboBox *selector = new QComboBox(parent);
869 selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW));
870 selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH));
871 selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0));
873 selector->setCurrentIndex(ch->initial_pin_state);
875 selector->setToolTip("Initial (assumed) pin value before the first sample");
880 void DecodeTrace::on_new_annotations()
882 if (!delayed_trace_updater_.isActive())
883 delayed_trace_updater_.start();
886 void DecodeTrace::on_delayed_trace_update()
889 owner_->row_item_appearance_changed(false, true);
892 void DecodeTrace::on_decode_reset()
894 visible_rows_.clear();
895 max_visible_rows_ = 0;
898 owner_->row_item_appearance_changed(false, true);
901 void DecodeTrace::on_decode_finished()
904 owner_->row_item_appearance_changed(false, true);
907 void DecodeTrace::delete_pressed()
912 void DecodeTrace::on_delete()
914 session_.remove_decode_signal(decode_signal_);
917 void DecodeTrace::on_channel_selected(int)
919 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
921 // Determine signal that was selected
922 const data::SignalBase *signal =
923 (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>();
925 // Determine decode channel ID this combo box is the channel selector for
926 const uint16_t id = channel_id_map_.at(cb);
928 decode_signal_->assign_signal(id, signal);
931 void DecodeTrace::on_channels_updated()
934 owner_->row_item_appearance_changed(false, true);
937 void DecodeTrace::on_init_state_changed(int)
939 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
941 // Determine inital pin state that was selected
942 int init_state = cb->itemData(cb->currentIndex()).value<int>();
944 // Determine decode channel ID this combo box is the channel selector for
945 const uint16_t id = init_state_map_.at(cb);
947 decode_signal_->set_initial_pin_state(id, init_state);
950 void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
952 decode_signal_->stack_decoder(decoder);
957 void DecodeTrace::on_delete_decoder(int index)
959 decode_signal_->remove_decoder(index);
961 // Force re-calculation of the trace height, see paint_mid()
962 max_visible_rows_ = 0;
963 owner_->extents_changed(false, true);
969 void DecodeTrace::on_show_hide_decoder(int index)
971 const bool state = decode_signal_->toggle_decoder_visibility(index);
973 assert(index < (int)decoder_forms_.size());
974 decoder_forms_[index]->set_decoder_visible(state);
977 // Force re-calculation of the trace height, see paint_mid()
978 max_visible_rows_ = 0;
979 owner_->extents_changed(false, true);
983 owner_->row_item_appearance_changed(false, true);