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.h"
44 #include <pv/sigsession.h>
45 #include <pv/data/decoderstack.h>
46 #include <pv/data/decode/decoder.h>
47 #include <pv/data/logic.h>
48 #include <pv/data/logicsnapshot.h>
49 #include <pv/data/decode/annotation.h>
50 #include <pv/view/logicsignal.h>
51 #include <pv/view/view.h>
52 #include <pv/view/viewport.h>
53 #include <pv/widgets/decodergroupbox.h>
54 #include <pv/widgets/decodermenu.h>
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::SigSession &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 QFontMetrics m(QApplication::font());
164 const int text_height = m.boundingRect(QRect(), 0, "Tg").height();
165 const int row_height = (text_height * 6) / 4;
166 return make_pair(-row_height / 2, row_height * 7 / 2);
169 void DecodeTrace::paint_back(QPainter &p, int left, int right)
171 Trace::paint_back(p, left, right);
172 paint_axis(p, get_y(), left, right);
175 void DecodeTrace::paint_mid(QPainter &p, int left, int right)
177 using namespace pv::data::decode;
179 QFontMetrics m(QApplication::font());
180 _text_height = m.boundingRect(QRect(), 0, "Tg").height();
181 _row_height = (_text_height * 6) / 4;
182 const int annotation_height = (_text_height * 5) / 4;
184 assert(_decoder_stack);
185 const QString err = _decoder_stack->error_message();
188 draw_unresolved_period(p, annotation_height, left, right);
189 draw_error(p, err, left, right);
193 // Iterate through the rows
195 pair<uint64_t, uint64_t> sample_range = get_sample_range(left, right);
197 assert(_decoder_stack);
198 const vector<Row> rows(_decoder_stack->get_visible_rows());
200 _visible_rows.clear();
201 for (size_t i = 0; i < rows.size(); i++)
203 const Row &row = rows[i];
205 size_t base_colour = 0x13579BDF;
206 boost::hash_combine(base_colour, this);
207 boost::hash_combine(base_colour, row.decoder());
208 boost::hash_combine(base_colour, row.row());
211 vector<Annotation> annotations;
212 _decoder_stack->get_annotation_subset(annotations, row,
213 sample_range.first, sample_range.second);
214 if (!annotations.empty()) {
215 for (const Annotation &a : annotations)
216 draw_annotation(a, p, get_text_colour(),
217 annotation_height, left, right, y,
221 _visible_rows.push_back(rows[i]);
226 draw_unresolved_period(p, annotation_height, left, right);
229 void DecodeTrace::paint_fore(QPainter &p, int left, int right)
231 using namespace pv::data::decode;
237 for (size_t i = 0; i < _visible_rows.size(); i++)
239 const int y = i * _row_height + get_y();
241 p.setPen(QPen(Qt::NoPen));
242 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
246 const QPointF points[] = {
247 QPointF(left, y - ArrowSize),
248 QPointF(left + ArrowSize, y),
249 QPointF(left, y + ArrowSize)
251 p.drawPolygon(points, countof(points));
254 const QRect r(left + ArrowSize * 2, y - _row_height / 2,
255 right - left, _row_height);
256 const QString h(_visible_rows[i].title());
257 const int f = Qt::AlignLeft | Qt::AlignVCenter |
261 p.setPen(QApplication::palette().color(QPalette::Base));
262 for (int dx = -1; dx <= 1; dx++)
263 for (int dy = -1; dy <= 1; dy++)
264 if (dx != 0 && dy != 0)
265 p.drawText(r.translated(dx, dy), f, h);
268 p.setPen(QApplication::palette().color(QPalette::WindowText));
273 void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
275 using pv::data::decode::Decoder;
279 assert(_decoder_stack);
281 // Add the standard options
282 Trace::populate_popup_form(parent, form);
284 // Add the decoder options
286 _channel_selectors.clear();
287 _decoder_forms.clear();
289 const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack();
293 QLabel *const l = new QLabel(
294 tr("<p><i>No decoders in the stack</i></p>"));
295 l->setAlignment(Qt::AlignCenter);
300 auto iter = stack.cbegin();
301 for (int i = 0; i < (int)stack.size(); i++, iter++) {
302 shared_ptr<Decoder> dec(*iter);
303 create_decoder_form(i, dec, parent, form);
306 form->addRow(new QLabel(
307 tr("<i>* Required channels</i>"), parent));
310 // Add stacking button
311 pv::widgets::DecoderMenu *const decoder_menu =
312 new pv::widgets::DecoderMenu(parent);
313 connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
314 this, SLOT(on_stack_decoder(srd_decoder*)));
316 QPushButton *const stack_button =
317 new QPushButton(tr("Stack Decoder"), parent);
318 stack_button->setMenu(decoder_menu);
320 QHBoxLayout *stack_button_box = new QHBoxLayout;
321 stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);
322 form->addRow(stack_button_box);
325 QMenu* DecodeTrace::create_context_menu(QWidget *parent)
327 QMenu *const menu = Trace::create_context_menu(parent);
329 menu->addSeparator();
331 QAction *const del = new QAction(tr("Delete"), this);
332 del->setShortcuts(QKeySequence::Delete);
333 connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
334 menu->addAction(del);
339 void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
340 QPainter &p, QColor text_color, int h, int left, int right, int y,
341 size_t base_colour) const
343 double samples_per_pixel, pixels_offset;
344 tie(pixels_offset, samples_per_pixel) =
345 get_pixels_offset_samples_per_pixel();
347 const double start = a.start_sample() / samples_per_pixel -
349 const double end = a.end_sample() / samples_per_pixel -
352 const size_t colour = (base_colour + a.format()) % countof(Colours);
353 const QColor &fill = Colours[colour];
354 const QColor &outline = OutlineColours[colour];
356 if (start > right + DrawPadding || end < left - DrawPadding)
359 if (a.start_sample() == a.end_sample())
360 draw_instant(a, p, fill, outline, text_color, h,
363 draw_range(a, p, fill, outline, text_color, h,
367 void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
368 QColor fill, QColor outline, QColor text_color, int h, double x, int y) const
370 const QString text = a.annotations().empty() ?
371 QString() : a.annotations().back();
372 const double w = min((double)p.boundingRect(QRectF(), 0, text).width(),
374 const QRectF rect(x - w / 2, y - h / 2, w, h);
378 p.drawRoundedRect(rect, h / 2, h / 2);
380 p.setPen(text_color);
381 p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
384 void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
385 QColor fill, QColor outline, QColor text_color, int h, double start,
386 double end, int y) const
388 const double top = y + .5 - h / 2;
389 const double bottom = y + .5 + h / 2;
390 const vector<QString> annotations = a.annotations();
395 // If the two ends are within 1 pixel, draw a vertical line
396 if (start + 1.0 > end)
398 p.drawLine(QPointF(start, top), QPointF(start, bottom));
402 const double cap_width = min((end - start) / 4, EndCapWidth);
405 QPointF(start, y + .5f),
406 QPointF(start + cap_width, top),
407 QPointF(end - cap_width, top),
408 QPointF(end, y + .5f),
409 QPointF(end - cap_width, bottom),
410 QPointF(start + cap_width, bottom)
413 p.drawConvexPolygon(pts, countof(pts));
415 if (annotations.empty())
418 QRectF rect(start + cap_width, y - h / 2,
419 end - start - cap_width * 2, h);
420 if (rect.width() <= 4)
423 p.setPen(text_color);
425 // Try to find an annotation that will fit
426 QString best_annotation;
429 for (const QString &a : annotations) {
430 const int w = p.boundingRect(QRectF(), 0, a).width();
431 if (w <= rect.width() && w > best_width)
432 best_annotation = a, best_width = w;
435 if (best_annotation.isEmpty())
436 best_annotation = annotations.back();
438 // If not ellide the last in the list
439 p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
440 best_annotation, Qt::ElideRight, rect.width()));
443 void DecodeTrace::draw_error(QPainter &p, const QString &message,
446 const int y = get_y();
448 p.setPen(ErrorBgColour.darker());
449 p.setBrush(ErrorBgColour);
451 const QRectF bounding_rect =
452 QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX);
453 const QRectF text_rect = p.boundingRect(bounding_rect,
454 Qt::AlignCenter, message);
455 const float r = text_rect.height() / 4;
457 p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r,
460 p.setPen(get_text_colour());
461 p.drawText(text_rect, message);
464 void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left,
467 using namespace pv::data;
468 using pv::data::decode::Decoder;
470 double samples_per_pixel, pixels_offset;
472 assert(_decoder_stack);
474 shared_ptr<Logic> data;
475 shared_ptr<LogicSignal> logic_signal;
477 const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack();
479 // We get the logic data of the first channel in the list.
480 // This works because we are currently assuming all
481 // LogicSignals have the same data/snapshot
482 for (const shared_ptr<Decoder> &dec : stack)
483 if (dec && !dec->channels().empty() &&
484 ((logic_signal = (*dec->channels().begin()).second)) &&
485 ((data = logic_signal->logic_data())))
488 if (!data || data->get_snapshots().empty())
491 const shared_ptr<LogicSnapshot> snapshot =
492 data->get_snapshots().front();
494 const int64_t sample_count = (int64_t)snapshot->get_sample_count();
495 if (sample_count == 0)
498 const int64_t samples_decoded = _decoder_stack->samples_decoded();
499 if (sample_count == samples_decoded)
502 const int y = get_y();
504 tie(pixels_offset, samples_per_pixel) =
505 get_pixels_offset_samples_per_pixel();
507 const double start = max(samples_decoded /
508 samples_per_pixel - pixels_offset, left - 1.0);
509 const double end = min(sample_count / samples_per_pixel -
510 pixels_offset, right + 1.0);
511 const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h);
513 p.setPen(QPen(Qt::NoPen));
514 p.setBrush(Qt::white);
515 p.drawRect(no_decode_rect);
517 p.setPen(NoDecodeColour);
518 p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern));
519 p.drawRect(no_decode_rect);
522 pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
525 assert(_decoder_stack);
527 const View *view = _owner->view();
530 const double scale = view->scale();
533 const double pixels_offset =
534 (view->offset() - _decoder_stack->get_start_time()) / scale;
536 double samplerate = _decoder_stack->samplerate();
538 // Show sample rate as 1Hz when it is unknown
539 if (samplerate == 0.0)
542 return make_pair(pixels_offset, samplerate * scale);
545 pair<uint64_t, uint64_t> DecodeTrace::get_sample_range(
546 int x_start, int x_end) const
548 double samples_per_pixel, pixels_offset;
549 tie(pixels_offset, samples_per_pixel) =
550 get_pixels_offset_samples_per_pixel();
552 const uint64_t start = (uint64_t)max(
553 (x_start + pixels_offset) * samples_per_pixel, 0.0);
554 const uint64_t end = (uint64_t)max(
555 (x_end + pixels_offset) * samples_per_pixel, 0.0);
557 return make_pair(start, end);
560 int DecodeTrace::get_row_at_point(const QPoint &point)
565 const int row = (point.y() - get_y() + _row_height / 2) / _row_height;
566 if (row < 0 || row >= (int)_visible_rows.size())
572 const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
574 using namespace pv::data::decode;
579 const pair<uint64_t, uint64_t> sample_range =
580 get_sample_range(point.x(), point.x() + 1);
581 const int row = get_row_at_point(point);
585 vector<pv::data::decode::Annotation> annotations;
587 assert(_decoder_stack);
588 _decoder_stack->get_annotation_subset(annotations, _visible_rows[row],
589 sample_range.first, sample_range.second);
591 return (annotations.empty()) ?
592 QString() : annotations[0].annotations().front();
595 void DecodeTrace::hide_hover_annotation()
597 QToolTip::hideText();
600 void DecodeTrace::hover_point_changed()
604 const View *const view = _owner->view();
607 QPoint hp = view->hover_point();
608 QString ann = get_annotation_at_point(hp);
614 hide_hover_annotation();
618 const int hover_row = get_row_at_point(hp);
620 QFontMetrics m(QToolTip::font());
621 const QRect text_size = m.boundingRect(QRect(), 0, ann);
623 // This is OS-specific and unfortunately we can't query it, so
624 // use an approximation to at least try to minimize the error.
625 const int padding = 8;
627 // Make sure the tool tip doesn't overlap with the mouse cursor.
628 // If it did, the tool tip would constantly hide and re-appear.
629 // We also push it up by one row so that it appears above the
630 // decode trace, not below.
631 hp.setX(hp.x() - (text_size.width() / 2) - padding);
633 hp.setY(get_y() - (_row_height / 2) + (hover_row * _row_height)
634 - _row_height - text_size.height());
636 QToolTip::showText(view->viewport()->mapToGlobal(hp), ann);
639 void DecodeTrace::create_decoder_form(int index,
640 shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
646 const srd_decoder *const decoder = dec->decoder();
649 pv::widgets::DecoderGroupBox *const group =
650 new pv::widgets::DecoderGroupBox(
651 QString::fromUtf8(decoder->name));
652 group->set_decoder_visible(dec->shown());
654 _delete_mapper.setMapping(group, index);
655 connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map()));
657 _show_hide_mapper.setMapping(group, index);
658 connect(group, SIGNAL(show_hide_decoder()),
659 &_show_hide_mapper, SLOT(map()));
661 QFormLayout *const decoder_form = new QFormLayout;
662 group->add_layout(decoder_form);
664 // Add the mandatory channels
665 for(l = decoder->channels; l; l = l->next) {
666 const struct srd_channel *const pdch =
667 (struct srd_channel *)l->data;
668 QComboBox *const combo = create_channel_selector(parent, dec, pdch);
669 connect(combo, SIGNAL(currentIndexChanged(int)),
670 this, SLOT(on_channel_selected(int)));
671 decoder_form->addRow(tr("<b>%1</b> (%2) *")
672 .arg(QString::fromUtf8(pdch->name))
673 .arg(QString::fromUtf8(pdch->desc)), combo);
675 const ChannelSelector s = {combo, dec, pdch};
676 _channel_selectors.push_back(s);
679 // Add the optional channels
680 for(l = decoder->opt_channels; l; l = l->next) {
681 const struct srd_channel *const pdch =
682 (struct srd_channel *)l->data;
683 QComboBox *const combo = create_channel_selector(parent, dec, pdch);
684 connect(combo, SIGNAL(currentIndexChanged(int)),
685 this, SLOT(on_channel_selected(int)));
686 decoder_form->addRow(tr("<b>%1</b> (%2)")
687 .arg(QString::fromUtf8(pdch->name))
688 .arg(QString::fromUtf8(pdch->desc)), combo);
690 const ChannelSelector s = {combo, dec, pdch};
691 _channel_selectors.push_back(s);
695 shared_ptr<prop::binding::DecoderOptions> binding(
696 new prop::binding::DecoderOptions(_decoder_stack, dec));
697 binding->add_properties_to_form(decoder_form, true);
699 _bindings.push_back(binding);
702 _decoder_forms.push_back(group);
705 QComboBox* DecodeTrace::create_channel_selector(
706 QWidget *parent, const shared_ptr<data::decode::Decoder> &dec,
707 const srd_channel *const pdch)
711 shared_lock<shared_mutex> lock(_session.signals_mutex());
712 const vector< shared_ptr<Signal> > &sigs(_session.signals());
714 assert(_decoder_stack);
715 const auto channel_iter = dec->channels().find(pdch);
717 QComboBox *selector = new QComboBox(parent);
719 selector->addItem("-", qVariantFromValue((void*)NULL));
721 if (channel_iter == dec->channels().end())
722 selector->setCurrentIndex(0);
724 for(size_t i = 0; i < sigs.size(); i++) {
725 const shared_ptr<view::Signal> s(sigs[i]);
728 if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled())
730 selector->addItem(s->name(),
731 qVariantFromValue((void*)s.get()));
732 if ((*channel_iter).second == s)
733 selector->setCurrentIndex(i + 1);
740 void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec)
744 map<const srd_channel*, shared_ptr<LogicSignal> > channel_map;
746 shared_lock<shared_mutex> lock(_session.signals_mutex());
747 const vector< shared_ptr<Signal> > &sigs(_session.signals());
749 for (const ChannelSelector &s : _channel_selectors)
751 if(s._decoder != dec)
754 const LogicSignal *const selection =
755 (LogicSignal*)s._combo->itemData(
756 s._combo->currentIndex()).value<void*>();
758 for (shared_ptr<Signal> sig : sigs)
759 if(sig.get() == selection) {
760 channel_map[s._pdch] =
761 dynamic_pointer_cast<LogicSignal>(sig);
766 dec->set_channels(channel_map);
769 void DecodeTrace::commit_channels()
771 assert(_decoder_stack);
772 for (shared_ptr<data::decode::Decoder> dec : _decoder_stack->stack())
773 commit_decoder_channels(dec);
775 _decoder_stack->begin_decode();
778 void DecodeTrace::on_new_decode_data()
781 _owner->update_viewport();
784 void DecodeTrace::delete_pressed()
789 void DecodeTrace::on_delete()
791 _session.remove_decode_signal(this);
794 void DecodeTrace::on_channel_selected(int)
799 void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
802 assert(_decoder_stack);
803 _decoder_stack->push(shared_ptr<data::decode::Decoder>(
804 new data::decode::Decoder(decoder)));
805 _decoder_stack->begin_decode();
810 void DecodeTrace::on_delete_decoder(int index)
812 _decoder_stack->remove(index);
817 _decoder_stack->begin_decode();
820 void DecodeTrace::on_show_hide_decoder(int index)
822 using pv::data::decode::Decoder;
824 const list< shared_ptr<Decoder> > stack(_decoder_stack->stack());
826 // Find the decoder in the stack
827 auto iter = stack.cbegin();
828 for(int i = 0; i < index; i++, iter++)
829 assert(iter != stack.end());
831 shared_ptr<Decoder> dec = *iter;
834 const bool show = !dec->shown();
837 assert(index < (int)_decoder_forms.size());
838 _decoder_forms[index]->set_decoder_visible(show);
840 _owner->update_viewport();