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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <libsigrokdecode/libsigrokdecode.h>
31 #include <boost/functional/hash.hpp>
34 #include <QApplication>
36 #include <QFormLayout>
39 #include <QPushButton>
42 #include "decodetrace.hpp"
44 #include <pv/session.hpp>
45 #include <pv/data/decoderstack.hpp>
46 #include <pv/data/decode/decoder.hpp>
47 #include <pv/data/logic.hpp>
48 #include <pv/data/logicsegment.hpp>
49 #include <pv/data/decode/annotation.hpp>
50 #include <pv/view/logicsignal.hpp>
51 #include <pv/view/view.hpp>
52 #include <pv/view/viewport.hpp>
53 #include <pv/widgets/decodergroupbox.hpp>
54 #include <pv/widgets/decodermenu.hpp>
56 using boost::shared_lock;
57 using boost::shared_mutex;
58 using std::dynamic_pointer_cast;
60 using std::lock_guard;
67 using std::shared_ptr;
74 const QColor DecodeTrace::DecodeColours[4] = {
75 QColor(0xEF, 0x29, 0x29), // Red
76 QColor(0xFC, 0xE9, 0x4F), // Yellow
77 QColor(0x8A, 0xE2, 0x34), // Green
78 QColor(0x72, 0x9F, 0xCF) // Blue
81 const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29);
82 const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85);
84 const int DecodeTrace::ArrowSize = 4;
85 const double DecodeTrace::EndCapWidth = 5;
86 const int DecodeTrace::DrawPadding = 100;
88 const QColor DecodeTrace::Colours[16] = {
89 QColor(0xEF, 0x29, 0x29),
90 QColor(0xF6, 0x6A, 0x32),
91 QColor(0xFC, 0xAE, 0x3E),
92 QColor(0xFB, 0xCA, 0x47),
93 QColor(0xFC, 0xE9, 0x4F),
94 QColor(0xCD, 0xF0, 0x40),
95 QColor(0x8A, 0xE2, 0x34),
96 QColor(0x4E, 0xDC, 0x44),
97 QColor(0x55, 0xD7, 0x95),
98 QColor(0x64, 0xD1, 0xD2),
99 QColor(0x72, 0x9F, 0xCF),
100 QColor(0xD4, 0x76, 0xC4),
101 QColor(0x9D, 0x79, 0xB9),
102 QColor(0xAD, 0x7F, 0xA8),
103 QColor(0xC2, 0x62, 0x9B),
104 QColor(0xD7, 0x47, 0x6F)
107 const QColor DecodeTrace::OutlineColours[16] = {
108 QColor(0x77, 0x14, 0x14),
109 QColor(0x7B, 0x35, 0x19),
110 QColor(0x7E, 0x57, 0x1F),
111 QColor(0x7D, 0x65, 0x23),
112 QColor(0x7E, 0x74, 0x27),
113 QColor(0x66, 0x78, 0x20),
114 QColor(0x45, 0x71, 0x1A),
115 QColor(0x27, 0x6E, 0x22),
116 QColor(0x2A, 0x6B, 0x4A),
117 QColor(0x32, 0x68, 0x69),
118 QColor(0x39, 0x4F, 0x67),
119 QColor(0x6A, 0x3B, 0x62),
120 QColor(0x4E, 0x3C, 0x5C),
121 QColor(0x56, 0x3F, 0x54),
122 QColor(0x61, 0x31, 0x4D),
123 QColor(0x6B, 0x23, 0x37)
126 DecodeTrace::DecodeTrace(pv::Session &session,
127 std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) :
128 Trace(QString::fromUtf8(
129 decoder_stack->stack().front()->decoder()->name)),
131 decoder_stack_(decoder_stack),
134 delete_mapper_(this),
135 show_hide_mapper_(this)
137 assert(decoder_stack_);
139 colour_ = DecodeColours[index % countof(DecodeColours)];
141 connect(decoder_stack_.get(), SIGNAL(new_decode_data()),
142 this, SLOT(on_new_decode_data()));
143 connect(&delete_mapper_, SIGNAL(mapped(int)),
144 this, SLOT(on_delete_decoder(int)));
145 connect(&show_hide_mapper_, SIGNAL(mapped(int)),
146 this, SLOT(on_show_hide_decoder(int)));
149 bool DecodeTrace::enabled() const
154 const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
156 return decoder_stack_;
159 pair<int, int> DecodeTrace::v_extents() const
161 /// @todo Replace this with an implementation that knows the true
162 /// height of the trace
163 const int row_height = (RowItemPaintParams::text_height() * 6) / 4;
164 return make_pair(-row_height / 2, row_height * 7 / 2);
167 void DecodeTrace::paint_back(QPainter &p, const RowItemPaintParams &pp)
169 Trace::paint_back(p, pp);
170 paint_axis(p, pp, get_visual_y());
173 void DecodeTrace::paint_mid(QPainter &p, const RowItemPaintParams &pp)
175 using namespace pv::data::decode;
177 text_height_ = RowItemPaintParams::text_height();
178 row_height_ = (text_height_ * 6) / 4;
179 const int annotation_height = (text_height_ * 5) / 4;
181 assert(decoder_stack_);
182 const QString err = decoder_stack_->error_message();
185 draw_unresolved_period(
186 p, annotation_height, pp.left(), pp.right());
187 draw_error(p, err, pp);
191 // Iterate through the rows
192 int y = get_visual_y();
193 pair<uint64_t, uint64_t> sample_range = get_sample_range(
194 pp.left(), pp.right());
196 assert(decoder_stack_);
197 const vector<Row> rows(decoder_stack_->get_visible_rows());
199 visible_rows_.clear();
200 for (size_t i = 0; i < rows.size(); i++)
202 const Row &row = rows[i];
204 size_t base_colour = 0x13579BDF;
205 boost::hash_combine(base_colour, this);
206 boost::hash_combine(base_colour, row.decoder());
207 boost::hash_combine(base_colour, row.row());
210 vector<Annotation> annotations;
211 decoder_stack_->get_annotation_subset(annotations, row,
212 sample_range.first, sample_range.second);
213 if (!annotations.empty()) {
214 for (const Annotation &a : annotations)
215 draw_annotation(a, p, annotation_height,
219 visible_rows_.push_back(rows[i]);
224 draw_unresolved_period(p, annotation_height, pp.left(), pp.right());
227 void DecodeTrace::paint_fore(QPainter &p, const RowItemPaintParams &pp)
229 using namespace pv::data::decode;
233 for (size_t i = 0; i < visible_rows_.size(); i++)
235 const int y = i * row_height_ + get_visual_y();
237 p.setPen(QPen(Qt::NoPen));
238 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
242 const QPointF points[] = {
243 QPointF(pp.left(), y - ArrowSize),
244 QPointF(pp.left() + ArrowSize, y),
245 QPointF(pp.left(), y + ArrowSize)
247 p.drawPolygon(points, countof(points));
250 const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2,
251 pp.right() - pp.left(), row_height_);
252 const QString h(visible_rows_[i].title());
253 const int f = Qt::AlignLeft | Qt::AlignVCenter |
257 p.setPen(QApplication::palette().color(QPalette::Base));
258 for (int dx = -1; dx <= 1; dx++)
259 for (int dy = -1; dy <= 1; dy++)
260 if (dx != 0 && dy != 0)
261 p.drawText(r.translated(dx, dy), f, h);
264 p.setPen(QApplication::palette().color(QPalette::WindowText));
269 void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
271 using pv::data::decode::Decoder;
275 assert(decoder_stack_);
277 // Add the standard options
278 Trace::populate_popup_form(parent, form);
280 // Add the decoder options
282 channel_selectors_.clear();
283 decoder_forms_.clear();
285 const list< shared_ptr<Decoder> >& stack = decoder_stack_->stack();
289 QLabel *const l = new QLabel(
290 tr("<p><i>No decoders in the stack</i></p>"));
291 l->setAlignment(Qt::AlignCenter);
296 auto iter = stack.cbegin();
297 for (int i = 0; i < (int)stack.size(); i++, iter++) {
298 shared_ptr<Decoder> dec(*iter);
299 create_decoder_form(i, dec, parent, form);
302 form->addRow(new QLabel(
303 tr("<i>* Required channels</i>"), parent));
306 // Add stacking button
307 pv::widgets::DecoderMenu *const decoder_menu =
308 new pv::widgets::DecoderMenu(parent);
309 connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
310 this, SLOT(on_stack_decoder(srd_decoder*)));
312 QPushButton *const stack_button =
313 new QPushButton(tr("Stack Decoder"), parent);
314 stack_button->setMenu(decoder_menu);
316 QHBoxLayout *stack_button_box = new QHBoxLayout;
317 stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
318 form->addRow(stack_button_box);
321 QMenu* DecodeTrace::create_context_menu(QWidget *parent)
323 QMenu *const menu = Trace::create_context_menu(parent);
325 menu->addSeparator();
327 QAction *const del = new QAction(tr("Delete"), this);
328 del->setShortcuts(QKeySequence::Delete);
329 connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
330 menu->addAction(del);
335 void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
336 QPainter &p, int h, const RowItemPaintParams &pp, int y,
337 size_t base_colour) const
339 double samples_per_pixel, pixels_offset;
340 tie(pixels_offset, samples_per_pixel) =
341 get_pixels_offset_samples_per_pixel();
343 const double start = a.start_sample() / samples_per_pixel -
345 const double end = a.end_sample() / samples_per_pixel -
348 const size_t colour = (base_colour + a.format()) % countof(Colours);
349 const QColor &fill = Colours[colour];
350 const QColor &outline = OutlineColours[colour];
352 if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
355 if (a.start_sample() == a.end_sample())
356 draw_instant(a, p, fill, outline, h, start, y);
358 draw_range(a, p, fill, outline, h, start, end, y);
361 void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
362 QColor fill, QColor outline, int h, double x, int y) const
364 const QString text = a.annotations().empty() ?
365 QString() : a.annotations().back();
366 const double w = min((double)p.boundingRect(QRectF(), 0, text).width(),
368 const QRectF rect(x - w / 2, y - h / 2, w, h);
372 p.drawRoundedRect(rect, h / 2, h / 2);
375 p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
378 void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
379 QColor fill, QColor outline, int h, double start,
380 double end, int y) const
382 const double top = y + .5 - h / 2;
383 const double bottom = y + .5 + h / 2;
384 const vector<QString> annotations = a.annotations();
389 // If the two ends are within 1 pixel, draw a vertical line
390 if (start + 1.0 > end)
392 p.drawLine(QPointF(start, top), QPointF(start, bottom));
396 const double cap_width = min((end - start) / 4, EndCapWidth);
399 QPointF(start, y + .5f),
400 QPointF(start + cap_width, top),
401 QPointF(end - cap_width, top),
402 QPointF(end, y + .5f),
403 QPointF(end - cap_width, bottom),
404 QPointF(start + cap_width, bottom)
407 p.drawConvexPolygon(pts, countof(pts));
409 if (annotations.empty())
412 QRectF rect(start + cap_width, y - h / 2,
413 end - start - cap_width * 2, h);
414 if (rect.width() <= 4)
419 // Try to find an annotation that will fit
420 QString best_annotation;
423 for (const QString &a : annotations) {
424 const int w = p.boundingRect(QRectF(), 0, a).width();
425 if (w <= rect.width() && w > best_width)
426 best_annotation = a, best_width = w;
429 if (best_annotation.isEmpty())
430 best_annotation = annotations.back();
432 // If not ellide the last in the list
433 p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
434 best_annotation, Qt::ElideRight, rect.width()));
437 void DecodeTrace::draw_error(QPainter &p, const QString &message,
438 const RowItemPaintParams &pp)
440 const int y = get_visual_y();
442 p.setPen(ErrorBgColour.darker());
443 p.setBrush(ErrorBgColour);
445 const QRectF bounding_rect =
446 QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX);
447 const QRectF text_rect = p.boundingRect(bounding_rect,
448 Qt::AlignCenter, message);
449 const float r = text_rect.height() / 4;
451 p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
455 p.drawText(text_rect, message);
458 void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
461 using namespace pv::data;
462 using pv::data::decode::Decoder;
464 double samples_per_pixel, pixels_offset;
466 assert(decoder_stack_);
468 shared_ptr<Logic> data;
469 shared_ptr<LogicSignal> logic_signal;
471 const list< shared_ptr<Decoder> > &stack = decoder_stack_->stack();
473 // We get the logic data of the first channel in the list.
474 // This works because we are currently assuming all
475 // LogicSignals have the same data/segment
476 for (const shared_ptr<Decoder> &dec : stack)
477 if (dec && !dec->channels().empty() &&
478 ((logic_signal = (*dec->channels().begin()).second)) &&
479 ((data = logic_signal->logic_data())))
482 if (!data || data->logic_segments().empty())
485 const shared_ptr<LogicSegment> segment =
486 data->logic_segments().front();
488 const int64_t sample_count = (int64_t)segment->get_sample_count();
489 if (sample_count == 0)
492 const int64_t samples_decoded = decoder_stack_->samples_decoded();
493 if (sample_count == samples_decoded)
496 const int y = get_visual_y();
498 tie(pixels_offset, samples_per_pixel) =
499 get_pixels_offset_samples_per_pixel();
501 const double start = max(samples_decoded /
502 samples_per_pixel - pixels_offset, left - 1.0);
503 const double end = min(sample_count / samples_per_pixel -
504 pixels_offset, right + 1.0);
505 const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
507 p.setPen(QPen(Qt::NoPen));
508 p.setBrush(Qt::white);
509 p.drawRect(no_decode_rect);
511 p.setPen(NoDecodeColour);
512 p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
513 p.drawRect(no_decode_rect);
516 pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
519 assert(decoder_stack_);
521 const View *view = owner_->view();
524 const double scale = view->scale();
527 const double pixels_offset =
528 (view->offset() - decoder_stack_->start_time()) / scale;
530 double samplerate = decoder_stack_->samplerate();
532 // Show sample rate as 1Hz when it is unknown
533 if (samplerate == 0.0)
536 return make_pair(pixels_offset, samplerate * scale);
539 pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(
540 int x_start, int x_end) const
542 double samples_per_pixel, pixels_offset;
543 tie(pixels_offset, samples_per_pixel) =
544 get_pixels_offset_samples_per_pixel();
546 const uint64_t start = (uint64_t)max(
547 (x_start + pixels_offset) * samples_per_pixel, 0.0);
548 const uint64_t end = (uint64_t)max(
549 (x_end + pixels_offset) * samples_per_pixel, 0.0);
551 return make_pair(start, end);
554 int DecodeTrace::get_row_at_point(const QPoint &point)
559 const int row = (point.y() - get_visual_y() + row_height_ / 2) /
561 if (row < 0 || row >= (int)visible_rows_.size())
567 const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
569 using namespace pv::data::decode;
574 const pair<uint64_t, uint64_t> sample_range =
575 get_sample_range(point.x(), point.x() + 1);
576 const int row = get_row_at_point(point);
580 vector<pv::data::decode::Annotation> annotations;
582 assert(decoder_stack_);
583 decoder_stack_->get_annotation_subset(annotations, visible_rows_[row],
584 sample_range.first, sample_range.second);
586 return (annotations.empty()) ?
587 QString() : annotations[0].annotations().front();
590 void DecodeTrace::hover_point_changed()
594 const View *const view = owner_->view();
597 QPoint hp = view->hover_point();
598 QString ann = get_annotation_at_point(hp);
602 if (!row_height_ || ann.isEmpty()) {
603 QToolTip::hideText();
607 const int hover_row = get_row_at_point(hp);
609 QFontMetrics m(QToolTip::font());
610 const QRect text_size = m.boundingRect(QRect(), 0, ann);
612 // This is OS-specific and unfortunately we can't query it, so
613 // use an approximation to at least try to minimize the error.
614 const int padding = 8;
616 // Make sure the tool tip doesn't overlap with the mouse cursor.
617 // If it did, the tool tip would constantly hide and re-appear.
618 // We also push it up by one row so that it appears above the
619 // decode trace, not below.
620 hp.setX(hp.x() - (text_size.width() / 2) - padding);
622 hp.setY(get_visual_y() - (row_height_ / 2) +
623 (hover_row * row_height_) -
624 row_height_ - text_size.height());
626 QToolTip::showText(view->viewport()->mapToGlobal(hp), ann);
629 void DecodeTrace::create_decoder_form(int index,
630 shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
636 const srd_decoder *const decoder = dec->decoder();
639 pv::widgets::DecoderGroupBox *const group =
640 new pv::widgets::DecoderGroupBox(
641 QString::fromUtf8(decoder->name));
642 group->set_decoder_visible(dec->shown());
644 delete_mapper_.setMapping(group, index);
645 connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map()));
647 show_hide_mapper_.setMapping(group, index);
648 connect(group, SIGNAL(show_hide_decoder()),
649 &show_hide_mapper_, SLOT(map()));
651 QFormLayout *const decoder_form = new QFormLayout;
652 group->add_layout(decoder_form);
654 // Add the mandatory channels
655 for(l = decoder->channels; l; l = l->next) {
656 const struct srd_channel *const pdch =
657 (struct srd_channel *)l->data;
658 QComboBox *const combo = create_channel_selector(parent, dec, pdch);
659 connect(combo, SIGNAL(currentIndexChanged(int)),
660 this, SLOT(on_channel_selected(int)));
661 decoder_form->addRow(tr("<b>%1</b> (%2) *")
662 .arg(QString::fromUtf8(pdch->name))
663 .arg(QString::fromUtf8(pdch->desc)), combo);
665 const ChannelSelector s = {combo, dec, pdch};
666 channel_selectors_.push_back(s);
669 // Add the optional channels
670 for(l = decoder->opt_channels; l; l = l->next) {
671 const struct srd_channel *const pdch =
672 (struct srd_channel *)l->data;
673 QComboBox *const combo = create_channel_selector(parent, dec, pdch);
674 connect(combo, SIGNAL(currentIndexChanged(int)),
675 this, SLOT(on_channel_selected(int)));
676 decoder_form->addRow(tr("<b>%1</b> (%2)")
677 .arg(QString::fromUtf8(pdch->name))
678 .arg(QString::fromUtf8(pdch->desc)), combo);
680 const ChannelSelector s = {combo, dec, pdch};
681 channel_selectors_.push_back(s);
685 shared_ptr<prop::binding::DecoderOptions> binding(
686 new prop::binding::DecoderOptions(decoder_stack_, dec));
687 binding->add_properties_to_form(decoder_form, true);
689 bindings_.push_back(binding);
692 decoder_forms_.push_back(group);
695 QComboBox* DecodeTrace::create_channel_selector(
696 QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
697 const srd_channel *const pdch)
701 shared_lock<shared_mutex> lock(session_.signals_mutex());
702 const vector< shared_ptr<Signal> > &sigs(session_.signals());
704 assert(decoder_stack_);
705 const auto channel_iter = dec->channels().find(pdch);
707 QComboBox *selector = new QComboBox(parent);
709 selector->addItem("-", qVariantFromValue((void*)NULL));
711 if (channel_iter == dec->channels().end())
712 selector->setCurrentIndex(0);
714 for(size_t i = 0; i < sigs.size(); i++) {
715 const shared_ptr<view::Signal> s(sigs[i]);
718 if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
720 selector->addItem(s->name(),
721 qVariantFromValue((void*)s.get()));
722 if ((*channel_iter).second == s)
723 selector->setCurrentIndex(i + 1);
730 void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec)
734 map<const srd_channel*, shared_ptr<LogicSignal> > channel_map;
736 shared_lock<shared_mutex> lock(session_.signals_mutex());
737 const vector< shared_ptr<Signal> > &sigs(session_.signals());
739 for (const ChannelSelector &s : channel_selectors_)
741 if(s.decoder_ != dec)
744 const LogicSignal *const selection =
745 (LogicSignal*)s.combo_->itemData(
746 s.combo_->currentIndex()).value<void*>();
748 for (shared_ptr<Signal> sig : sigs)
749 if(sig.get() == selection) {
750 channel_map[s.pdch_] =
751 dynamic_pointer_cast<LogicSignal>(sig);
756 dec->set_channels(channel_map);
759 void DecodeTrace::commit_channels()
761 assert(decoder_stack_);
762 for (shared_ptr<data::decode::Decoder> dec : decoder_stack_->stack())
763 commit_decoder_channels(dec);
765 decoder_stack_->begin_decode();
768 void DecodeTrace::on_new_decode_data()
771 owner_->appearance_changed(false, true);
774 void DecodeTrace::delete_pressed()
779 void DecodeTrace::on_delete()
781 session_.remove_decode_signal(this);
784 void DecodeTrace::on_channel_selected(int)
789 void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
792 assert(decoder_stack_);
793 decoder_stack_->push(shared_ptr<data::decode::Decoder>(
794 new data::decode::Decoder(decoder)));
795 decoder_stack_->begin_decode();
800 void DecodeTrace::on_delete_decoder(int index)
802 decoder_stack_->remove(index);
807 decoder_stack_->begin_decode();
810 void DecodeTrace::on_show_hide_decoder(int index)
812 using pv::data::decode::Decoder;
814 const list< shared_ptr<Decoder> > stack(decoder_stack_->stack());
816 // Find the decoder in the stack
817 auto iter = stack.cbegin();
818 for(int i = 0; i < index; i++, iter++)
819 assert(iter != stack.end());
821 shared_ptr<Decoder> dec = *iter;
824 const bool show = !dec->shown();
827 assert(index < (int)decoder_forms_.size());
828 decoder_forms_[index]->set_decoder_visible(show);
831 owner_->appearance_changed(false, true);