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1/*
2 * This file is part of the PulseView project.
3 *
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5 *
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.
10 *
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.
15 *
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/>.
18 */
19
20extern "C" {
21#include <libsigrokdecode/libsigrokdecode.h>
22}
23
24#include <limits>
25#include <mutex>
26#include <tuple>
27
28#include <extdef.h>
29
30#include <boost/functional/hash.hpp>
31
32#include <QAction>
33#include <QApplication>
34#include <QClipboard>
35#include <QCheckBox>
36#include <QComboBox>
37#include <QFileDialog>
38#include <QFormLayout>
39#include <QLabel>
40#include <QMenu>
41#include <QMessageBox>
42#include <QPushButton>
43#include <QTextStream>
44#include <QToolTip>
45
46#include "decodetrace.hpp"
47#include "view.hpp"
48#include "viewport.hpp"
49
50#include <pv/globalsettings.hpp>
51#include <pv/session.hpp>
52#include <pv/strnatcmp.hpp>
53#include <pv/data/decodesignal.hpp>
54#include <pv/data/decode/annotation.hpp>
55#include <pv/data/decode/decoder.hpp>
56#include <pv/data/logic.hpp>
57#include <pv/data/logicsegment.hpp>
58#include <pv/widgets/decodergroupbox.hpp>
59#include <pv/widgets/decodermenu.hpp>
60
61using std::abs;
62using std::find_if;
63using std::lock_guard;
64using std::make_pair;
65using std::max;
66using std::min;
67using std::numeric_limits;
68using std::out_of_range;
69using std::pair;
70using std::shared_ptr;
71using std::tie;
72using std::vector;
73
74using pv::data::decode::Annotation;
75using pv::data::decode::AnnotationClass;
76using pv::data::decode::Row;
77using pv::data::decode::DecodeChannel;
78using pv::data::DecodeSignal;
79
80namespace pv {
81namespace views {
82namespace trace {
83
84
85#define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */
86#define DECODETRACE_COLOR_VALUE (170) /* 0-255 */
87
88const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29);
89const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85);
90const uint8_t DecodeTrace::ExpansionAreaHeaderAlpha = 10 * 255 / 100;
91const uint8_t DecodeTrace::ExpansionAreaAlpha = 5 * 255 / 100;
92
93const int DecodeTrace::ArrowSize = 6;
94const double DecodeTrace::EndCapWidth = 5;
95const int DecodeTrace::RowTitleMargin = 7;
96const int DecodeTrace::DrawPadding = 100;
97
98const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz
99const unsigned int DecodeTrace::AnimationDurationInTicks = 7;
100
101DecodeTrace::DecodeTrace(pv::Session &session,
102 shared_ptr<data::SignalBase> signalbase, int index) :
103 Trace(signalbase),
104 session_(session),
105 max_visible_rows_(0),
106 delete_mapper_(this),
107 show_hide_mapper_(this),
108 row_show_hide_mapper_(this)
109{
110 decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_);
111
112 GlobalSettings settings;
113 always_show_all_rows_ = settings.value(GlobalSettings::Key_Dec_AlwaysShowAllRows).toBool();
114
115 GlobalSettings::add_change_handler(this);
116
117 // Determine shortest string we want to see displayed in full
118 QFontMetrics m(QApplication::font());
119 min_useful_label_width_ = m.width("XX"); // e.g. two hex characters
120
121 default_row_height_ = (ViewItemPaintParams::text_height() * 6) / 4;
122 annotation_height_ = (ViewItemPaintParams::text_height() * 5) / 4;
123
124 // For the base color, we want to start at a very different color for
125 // every decoder stack, so multiply the index with a number that is
126 // rather close to 180 degrees of the color circle but not a dividend of 360
127 // Note: The offset equals the color of the first annotation
128 QColor color;
129 const int h = (120 + 160 * index) % 360;
130 const int s = DECODETRACE_COLOR_SATURATION;
131 const int v = DECODETRACE_COLOR_VALUE;
132 color.setHsv(h, s, v);
133 base_->set_color(color);
134
135 connect(decode_signal_.get(), SIGNAL(new_annotations()),
136 this, SLOT(on_new_annotations()));
137 connect(decode_signal_.get(), SIGNAL(decode_reset()),
138 this, SLOT(on_decode_reset()));
139 connect(decode_signal_.get(), SIGNAL(decode_finished()),
140 this, SLOT(on_decode_finished()));
141 connect(decode_signal_.get(), SIGNAL(channels_updated()),
142 this, SLOT(on_channels_updated()));
143
144 connect(&delete_mapper_, SIGNAL(mapped(int)),
145 this, SLOT(on_delete_decoder(int)));
146 connect(&show_hide_mapper_, SIGNAL(mapped(int)),
147 this, SLOT(on_show_hide_decoder(int)));
148 connect(&row_show_hide_mapper_, SIGNAL(mapped(int)),
149 this, SLOT(on_show_hide_row(int)));
150 connect(&class_show_hide_mapper_, SIGNAL(mapped(QWidget*)),
151 this, SLOT(on_show_hide_class(QWidget*)));
152
153 connect(&delayed_trace_updater_, SIGNAL(timeout()),
154 this, SLOT(on_delayed_trace_update()));
155 delayed_trace_updater_.setSingleShot(true);
156 delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate);
157
158 connect(&animation_timer_, SIGNAL(timeout()),
159 this, SLOT(on_animation_timer()));
160 animation_timer_.setInterval(1000 / 50);
161
162 default_marker_shape_ << QPoint(0, -ArrowSize);
163 default_marker_shape_ << QPoint(ArrowSize, 0);
164 default_marker_shape_ << QPoint(0, ArrowSize);
165}
166
167DecodeTrace::~DecodeTrace()
168{
169 GlobalSettings::remove_change_handler(this);
170
171 for (DecodeTraceRow& r : rows_) {
172 for (QCheckBox* cb : r.selectors)
173 delete cb;
174
175 delete r.selector_container;
176 delete r.header_container;
177 delete r.container;
178 }
179}
180
181bool DecodeTrace::enabled() const
182{
183 return true;
184}
185
186shared_ptr<data::SignalBase> DecodeTrace::base() const
187{
188 return base_;
189}
190
191pair<int, int> DecodeTrace::v_extents() const
192{
193 // Make an empty decode trace appear symmetrical
194 if (max_visible_rows_ == 0)
195 return make_pair(-default_row_height_, default_row_height_);
196
197 unsigned int height = 0;
198 for (const DecodeTraceRow& r : rows_)
199 if (r.currently_visible)
200 height += r.height;
201
202 return make_pair(-default_row_height_, height);
203}
204
205void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp)
206{
207 Trace::paint_back(p, pp);
208 paint_axis(p, pp, get_visual_y());
209}
210
211void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
212{
213 lock_guard<mutex> lock(row_modification_mutex_);
214
215 // Set default pen to allow for text width calculation
216 p.setPen(Qt::black);
217
218 pair<uint64_t, uint64_t> sample_range = get_view_sample_range(pp.left(), pp.right());
219
220 // Just because the view says we see a certain sample range it
221 // doesn't mean we have this many decoded samples, too, so crop
222 // the range to what has been decoded already
223 sample_range.second = min((int64_t)sample_range.second,
224 decode_signal_->get_decoded_sample_count(current_segment_, false));
225
226 visible_rows_ = 0;
227 int y = get_visual_y();
228
229 for (DecodeTraceRow& r : rows_) {
230 // If the row is hidden, we don't want to fetch annotations
231 assert(r.decode_row);
232 assert(r.decode_row->decoder());
233 if ((!r.decode_row->decoder()->shown()) || (!r.decode_row->visible())) {
234 r.currently_visible = false;
235 continue;
236 }
237
238 vector<Annotation> annotations;
239 decode_signal_->get_annotation_subset(annotations, r.decode_row,
240 current_segment_, sample_range.first, sample_range.second);
241
242 // Show row if there are visible annotations or when user wants to see
243 // all rows that have annotations somewhere and this one is one of them
244 r.currently_visible = !annotations.empty();
245 if (!r.currently_visible) {
246 size_t ann_count = decode_signal_->get_annotation_count(r.decode_row, current_segment_);
247 r.currently_visible = always_show_all_rows_ && (ann_count > 0);
248 }
249
250 if (r.currently_visible) {
251 draw_annotations(annotations, p, annotation_height_, pp, y,
252 get_row_color(r.decode_row->index()), r.title_width);
253 y += r.height;
254 visible_rows_++;
255 }
256 }
257
258 draw_unresolved_period(p, annotation_height_, pp.left(), pp.right());
259
260 if (visible_rows_ > max_visible_rows_) {
261 max_visible_rows_ = visible_rows_;
262
263 // Call order is important, otherwise the lazy event handler won't work
264 owner_->extents_changed(false, true);
265 owner_->row_item_appearance_changed(false, true);
266 }
267
268 const QString err = decode_signal_->error_message();
269 if (!err.isEmpty())
270 draw_error(p, err, pp);
271}
272
273void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
274{
275 unsigned int y = get_visual_y();
276
277 for (const DecodeTraceRow& r : rows_) {
278 if (!r.currently_visible)
279 continue;
280
281 p.setPen(QPen(Qt::NoPen));
282
283 if (r.expand_marker_highlighted)
284 p.setBrush(QApplication::palette().brush(QPalette::Highlight));
285 else
286 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
287
288 // Draw expansion marker
289 QPolygon marker(r.expand_marker_shape);
290 marker.translate(pp.left(), y);
291 p.drawPolygon(marker);
292
293 p.setBrush(QApplication::palette().brush(QPalette::WindowText));
294
295 const QRect text_rect(pp.left() + ArrowSize * 2, y - r.height / 2,
296 pp.right() - pp.left(), r.height);
297 const QString h(r.decode_row->title());
298 const int f = Qt::AlignLeft | Qt::AlignVCenter |
299 Qt::TextDontClip;
300
301 // Draw the outline
302 p.setPen(QApplication::palette().color(QPalette::Base));
303 for (int dx = -1; dx <= 1; dx++)
304 for (int dy = -1; dy <= 1; dy++)
305 if (dx != 0 && dy != 0)
306 p.drawText(text_rect.translated(dx, dy), f, h);
307
308 // Draw the text
309 p.setPen(QApplication::palette().color(QPalette::WindowText));
310 p.drawText(text_rect, f, h);
311
312 y += r.height;
313 }
314
315 if (show_hover_marker_)
316 paint_hover_marker(p);
317}
318
319void DecodeTrace::update_stack_button()
320{
321 const vector< shared_ptr<data::decode::Decoder> > &stack = decode_signal_->decoder_stack();
322
323 // Only show decoders in the menu that can be stacked onto the last one in the stack
324 if (!stack.empty()) {
325 const srd_decoder* d = stack.back()->get_srd_decoder();
326
327 if (d->outputs) {
328 pv::widgets::DecoderMenu *const decoder_menu =
329 new pv::widgets::DecoderMenu(stack_button_, (const char*)(d->outputs->data));
330 connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)),
331 this, SLOT(on_stack_decoder(srd_decoder*)));
332
333 decoder_menu->setStyleSheet("QMenu { menu-scrollable: 1; }");
334
335 stack_button_->setMenu(decoder_menu);
336 stack_button_->show();
337 return;
338 }
339 }
340
341 // No decoders available for stacking
342 stack_button_->setMenu(nullptr);
343 stack_button_->hide();
344}
345
346void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
347{
348 using pv::data::decode::Decoder;
349
350 assert(form);
351
352 // Add the standard options
353 Trace::populate_popup_form(parent, form);
354
355 // Add the decoder options
356 bindings_.clear();
357 channel_id_map_.clear();
358 init_state_map_.clear();
359 decoder_forms_.clear();
360
361 const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack();
362
363 if (stack.empty()) {
364 QLabel *const l = new QLabel(
365 tr("<p><i>No decoders in the stack</i></p>"));
366 l->setAlignment(Qt::AlignCenter);
367 form->addRow(l);
368 } else {
369 auto iter = stack.cbegin();
370 for (int i = 0; i < (int)stack.size(); i++, iter++) {
371 shared_ptr<Decoder> dec(*iter);
372 create_decoder_form(i, dec, parent, form);
373 }
374
375 form->addRow(new QLabel(
376 tr("<i>* Required channels</i>"), parent));
377 }
378
379 // Add stacking button
380 stack_button_ = new QPushButton(tr("Stack Decoder"), parent);
381 stack_button_->setToolTip(tr("Stack a higher-level decoder on top of this one"));
382 update_stack_button();
383
384 QHBoxLayout *stack_button_box = new QHBoxLayout;
385 stack_button_box->addWidget(stack_button_, 0, Qt::AlignRight);
386 form->addRow(stack_button_box);
387}
388
389QMenu* DecodeTrace::create_header_context_menu(QWidget *parent)
390{
391 QMenu *const menu = Trace::create_header_context_menu(parent);
392
393 menu->addSeparator();
394
395 QAction *const del = new QAction(tr("Delete"), this);
396 del->setShortcuts(QKeySequence::Delete);
397 connect(del, SIGNAL(triggered()), this, SLOT(on_delete()));
398 menu->addAction(del);
399
400 return menu;
401}
402
403QMenu* DecodeTrace::create_view_context_menu(QWidget *parent, QPoint &click_pos)
404{
405 // Get entries from default menu before adding our own
406 QMenu *const menu = new QMenu(parent);
407
408 QMenu* default_menu = Trace::create_view_context_menu(parent, click_pos);
409 if (default_menu) {
410 for (QAction *action : default_menu->actions()) { // clazy:exclude=range-loop
411 menu->addAction(action);
412 if (action->parent() == default_menu)
413 action->setParent(menu);
414 }
415 delete default_menu;
416
417 // Add separator if needed
418 if (menu->actions().length() > 0)
419 menu->addSeparator();
420 }
421
422 selected_row_ = nullptr;
423 const DecodeTraceRow* r = get_row_at_point(click_pos);
424 if (r)
425 selected_row_ = r->decode_row;
426
427 const View *const view = owner_->view();
428 assert(view);
429 QPoint pos = view->viewport()->mapFrom(parent, click_pos);
430
431 // Default sample range is "from here"
432 const pair<uint64_t, uint64_t> sample_range = get_view_sample_range(pos.x(), pos.x() + 1);
433 selected_sample_range_ = make_pair(sample_range.first, numeric_limits<uint64_t>::max());
434
435 if (decode_signal_->is_paused()) {
436 QAction *const resume =
437 new QAction(tr("Resume decoding"), this);
438 resume->setIcon(QIcon::fromTheme("media-playback-start",
439 QIcon(":/icons/media-playback-start.png")));
440 connect(resume, SIGNAL(triggered()), this, SLOT(on_pause_decode()));
441 menu->addAction(resume);
442 } else {
443 QAction *const pause =
444 new QAction(tr("Pause decoding"), this);
445 pause->setIcon(QIcon::fromTheme("media-playback-pause",
446 QIcon(":/icons/media-playback-pause.png")));
447 connect(pause, SIGNAL(triggered()), this, SLOT(on_pause_decode()));
448 menu->addAction(pause);
449 }
450
451 QAction *const copy_annotation_to_clipboard =
452 new QAction(tr("Copy annotation text to clipboard"), this);
453 copy_annotation_to_clipboard->setIcon(QIcon::fromTheme("edit-paste",
454 QIcon(":/icons/edit-paste.svg")));
455 connect(copy_annotation_to_clipboard, SIGNAL(triggered()), this, SLOT(on_copy_annotation_to_clipboard()));
456 menu->addAction(copy_annotation_to_clipboard);
457
458 menu->addSeparator();
459
460 QAction *const export_all_rows =
461 new QAction(tr("Export all annotations"), this);
462 export_all_rows->setIcon(QIcon::fromTheme("document-save-as",
463 QIcon(":/icons/document-save-as.png")));
464 connect(export_all_rows, SIGNAL(triggered()), this, SLOT(on_export_all_rows()));
465 menu->addAction(export_all_rows);
466
467 QAction *const export_row =
468 new QAction(tr("Export all annotations for this row"), this);
469 export_row->setIcon(QIcon::fromTheme("document-save-as",
470 QIcon(":/icons/document-save-as.png")));
471 connect(export_row, SIGNAL(triggered()), this, SLOT(on_export_row()));
472 menu->addAction(export_row);
473
474 menu->addSeparator();
475
476 QAction *const export_all_rows_from_here =
477 new QAction(tr("Export all annotations, starting here"), this);
478 export_all_rows_from_here->setIcon(QIcon::fromTheme("document-save-as",
479 QIcon(":/icons/document-save-as.png")));
480 connect(export_all_rows_from_here, SIGNAL(triggered()), this, SLOT(on_export_all_rows_from_here()));
481 menu->addAction(export_all_rows_from_here);
482
483 QAction *const export_row_from_here =
484 new QAction(tr("Export annotations for this row, starting here"), this);
485 export_row_from_here->setIcon(QIcon::fromTheme("document-save-as",
486 QIcon(":/icons/document-save-as.png")));
487 connect(export_row_from_here, SIGNAL(triggered()), this, SLOT(on_export_row_from_here()));
488 menu->addAction(export_row_from_here);
489
490 menu->addSeparator();
491
492 QAction *const export_all_rows_with_cursor =
493 new QAction(tr("Export all annotations within cursor range"), this);
494 export_all_rows_with_cursor->setIcon(QIcon::fromTheme("document-save-as",
495 QIcon(":/icons/document-save-as.png")));
496 connect(export_all_rows_with_cursor, SIGNAL(triggered()), this, SLOT(on_export_all_rows_with_cursor()));
497 menu->addAction(export_all_rows_with_cursor);
498
499 QAction *const export_row_with_cursor =
500 new QAction(tr("Export annotations for this row within cursor range"), this);
501 export_row_with_cursor->setIcon(QIcon::fromTheme("document-save-as",
502 QIcon(":/icons/document-save-as.png")));
503 connect(export_row_with_cursor, SIGNAL(triggered()), this, SLOT(on_export_row_with_cursor()));
504 menu->addAction(export_row_with_cursor);
505
506 if (!view->cursors()->enabled()) {
507 export_all_rows_with_cursor->setEnabled(false);
508 export_row_with_cursor->setEnabled(false);
509 }
510
511 return menu;
512}
513
514void DecodeTrace::delete_pressed()
515{
516 on_delete();
517}
518
519void DecodeTrace::hover_point_changed(const QPoint &hp)
520{
521 Trace::hover_point_changed(hp);
522
523 assert(owner_);
524
525 DecodeTraceRow* hover_row = get_row_at_point(hp);
526
527 // Row expansion marker handling
528 for (DecodeTraceRow& r : rows_)
529 r.expand_marker_highlighted = false;
530
531 if (hover_row) {
532 int row_y = get_row_y(hover_row);
533 if ((hp.x() > 0) && (hp.x() < 2 * ArrowSize) &&
534 (hp.y() > (int)(row_y - ArrowSize)) && (hp.y() < (int)(row_y + ArrowSize)))
535 hover_row->expand_marker_highlighted = true;
536 }
537
538 // Tooltip handling
539 if (hp.x() > 0) {
540 QString ann = get_annotation_at_point(hp);
541
542 if (!ann.isEmpty()) {
543 QFontMetrics m(QToolTip::font());
544 const QRect text_size = m.boundingRect(QRect(), 0, ann);
545
546 // This is OS-specific and unfortunately we can't query it, so
547 // use an approximation to at least try to minimize the error.
548 const int padding = default_row_height_ + 8;
549
550 // Make sure the tool tip doesn't overlap with the mouse cursor.
551 // If it did, the tool tip would constantly hide and re-appear.
552 // We also push it up by one row so that it appears above the
553 // decode trace, not below.
554 QPoint p = hp;
555 p.setX(hp.x() - (text_size.width() / 2) - padding);
556
557 p.setY(get_row_y(hover_row) - default_row_height_ -
558 text_size.height() - padding);
559
560 const View *const view = owner_->view();
561 assert(view);
562 QToolTip::showText(view->viewport()->mapToGlobal(p), ann);
563
564 } else
565 QToolTip::hideText();
566
567 } else
568 QToolTip::hideText();
569}
570
571void DecodeTrace::mouse_left_press_event(const QMouseEvent* event)
572{
573 // Handle row expansion marker
574 for (DecodeTraceRow& r : rows_) {
575 if (!r.expand_marker_highlighted)
576 continue;
577
578 unsigned int y = get_row_y(&r);
579 if ((event->x() > 0) && (event->x() <= (int)(ArrowSize + 3)) &&
580 (event->y() > (int)(y - (default_row_height_ / 2))) &&
581 (event->y() <= (int)(y + (default_row_height_ / 2)))) {
582
583 if (r.expanded) {
584 r.collapsing = true;
585 r.expanded = false;
586 r.anim_shape = ArrowSize;
587 } else {
588 r.expanding = true;
589 r.anim_shape = 0;
590 r.container->setVisible(true);
591 QApplication::processEvents();
592 r.expanded_height = 5 * default_row_height_ + r.container->size().height();
593 }
594
595 r.animation_step = 0;
596 r.anim_height = r.height;
597
598 update_expanded_rows();
599 animation_timer_.start();
600 }
601 }
602}
603
604void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations,
605 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
606 QColor row_color, int row_title_width)
607{
608 using namespace pv::data::decode;
609
610 Annotation::Class block_class = 0;
611 bool block_class_uniform = true;
612 qreal block_start = 0;
613 int block_ann_count = 0;
614
615 const Annotation *prev_ann;
616 qreal prev_end = INT_MIN;
617
618 qreal a_end;
619
620 double samples_per_pixel, pixels_offset;
621 tie(pixels_offset, samples_per_pixel) =
622 get_pixels_offset_samples_per_pixel();
623
624 // Sort the annotations by start sample so that decoders
625 // can't confuse us by creating annotations out of order
626 stable_sort(annotations.begin(), annotations.end(),
627 [](const Annotation &a, const Annotation &b) {
628 return a.start_sample() < b.start_sample(); });
629
630 // Gather all annotations that form a visual "block" and draw them as such
631 for (const Annotation &a : annotations) {
632
633 const qreal abs_a_start = a.start_sample() / samples_per_pixel;
634 const qreal abs_a_end = a.end_sample() / samples_per_pixel;
635
636 const qreal a_start = abs_a_start - pixels_offset;
637 a_end = abs_a_end - pixels_offset;
638
639 const qreal a_width = a_end - a_start;
640 const qreal delta = a_end - prev_end;
641
642 bool a_is_separate = false;
643
644 // Annotation wider than the threshold for a useful label width?
645 if (a_width >= min_useful_label_width_) {
646 for (const QString &ann_text : a.annotations()) {
647 const qreal w = p.boundingRect(QRectF(), 0, ann_text).width();
648 // Annotation wide enough to fit a label? Don't put it in a block then
649 if (w <= a_width) {
650 a_is_separate = true;
651 break;
652 }
653 }
654 }
655
656 // Were the previous and this annotation more than a pixel apart?
657 if ((abs(delta) > 1) || a_is_separate) {
658 // Block was broken, draw annotations that form the current block
659 if (block_ann_count == 1)
660 draw_annotation(*prev_ann, p, h, pp, y, row_color,
661 row_title_width);
662 else if (block_ann_count > 0)
663 draw_annotation_block(block_start, prev_end, block_class,
664 block_class_uniform, p, h, y, row_color);
665
666 block_ann_count = 0;
667 }
668
669 if (a_is_separate) {
670 draw_annotation(a, p, h, pp, y, row_color, row_title_width);
671 // Next annotation must start a new block. delta will be > 1
672 // because we set prev_end to INT_MIN but that's okay since
673 // block_ann_count will be 0 and nothing will be drawn
674 prev_end = INT_MIN;
675 block_ann_count = 0;
676 } else {
677 prev_end = a_end;
678 prev_ann = &a;
679
680 if (block_ann_count == 0) {
681 block_start = a_start;
682 block_class = a.ann_class();
683 block_class_uniform = true;
684 } else
685 if (a.ann_class() != block_class)
686 block_class_uniform = false;
687
688 block_ann_count++;
689 }
690 }
691
692 if (block_ann_count == 1)
693 draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width);
694 else if (block_ann_count > 0)
695 draw_annotation_block(block_start, prev_end, block_class,
696 block_class_uniform, p, h, y, row_color);
697}
698
699void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
700 QPainter &p, int h, const ViewItemPaintParams &pp, int y,
701 QColor row_color, int row_title_width) const
702{
703 double samples_per_pixel, pixels_offset;
704 tie(pixels_offset, samples_per_pixel) =
705 get_pixels_offset_samples_per_pixel();
706
707 const double start = a.start_sample() / samples_per_pixel -
708 pixels_offset;
709 const double end = a.end_sample() / samples_per_pixel - pixels_offset;
710
711 QColor color = get_annotation_color(row_color, a.ann_class());
712 p.setPen(color.darker());
713 p.setBrush(color);
714
715 if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
716 return;
717
718 if (a.start_sample() == a.end_sample())
719 draw_instant(a, p, h, start, y);
720 else
721 draw_range(a, p, h, start, end, y, pp, row_title_width);
722}
723
724void DecodeTrace::draw_annotation_block(qreal start, qreal end,
725 Annotation::Class ann_class, bool use_ann_format, QPainter &p, int h,
726 int y, QColor row_color) const
727{
728 const double top = y + .5 - h / 2;
729 const double bottom = y + .5 + h / 2;
730
731 const QRectF rect(start, top, end - start, bottom - top);
732 const int r = h / 4;
733
734 p.setPen(QPen(Qt::NoPen));
735 p.setBrush(Qt::white);
736 p.drawRoundedRect(rect, r, r);
737
738 // If all annotations in this block are of the same type, we can use the
739 // one format that all of these annotations have. Otherwise, we should use
740 // a neutral color (i.e. gray)
741 if (use_ann_format) {
742 const QColor color = get_annotation_color(row_color, ann_class);
743 p.setPen(color.darker());
744 p.setBrush(QBrush(color, Qt::Dense4Pattern));
745 } else {
746 p.setPen(Qt::gray);
747 p.setBrush(QBrush(Qt::gray, Qt::Dense4Pattern));
748 }
749
750 p.drawRoundedRect(rect, r, r);
751}
752
753void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
754 int h, qreal x, int y) const
755{
756 const QString text = a.annotations().empty() ?
757 QString() : a.annotations().back();
758 const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(),
759 0.0) + h;
760 const QRectF rect(x - w / 2, y - h / 2, w, h);
761
762 p.drawRoundedRect(rect, h / 2, h / 2);
763
764 p.setPen(Qt::black);
765 p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
766}
767
768void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
769 int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp,
770 int row_title_width) const
771{
772 const qreal top = y + .5 - h / 2;
773 const qreal bottom = y + .5 + h / 2;
774 const vector<QString> annotations = a.annotations();
775
776 // If the two ends are within 1 pixel, draw a vertical line
777 if (start + 1.0 > end) {
778 p.drawLine(QPointF(start, top), QPointF(start, bottom));
779 return;
780 }
781
782 const qreal cap_width = min((end - start) / 4, EndCapWidth);
783
784 QPointF pts[] = {
785 QPointF(start, y + .5f),
786 QPointF(start + cap_width, top),
787 QPointF(end - cap_width, top),
788 QPointF(end, y + .5f),
789 QPointF(end - cap_width, bottom),
790 QPointF(start + cap_width, bottom)
791 };
792
793 p.drawConvexPolygon(pts, countof(pts));
794
795 if (annotations.empty())
796 return;
797
798 const int ann_start = start + cap_width;
799 const int ann_end = end - cap_width;
800
801 const int real_start = max(ann_start, pp.left() + ArrowSize + row_title_width);
802 const int real_end = min(ann_end, pp.right());
803 const int real_width = real_end - real_start;
804
805 QRectF rect(real_start, y - h / 2, real_width, h);
806 if (rect.width() <= 4)
807 return;
808
809 p.setPen(Qt::black);
810
811 // Try to find an annotation that will fit
812 QString best_annotation;
813 int best_width = 0;
814
815 for (const QString &a : annotations) {
816 const int w = p.boundingRect(QRectF(), 0, a).width();
817 if (w <= rect.width() && w > best_width)
818 best_annotation = a, best_width = w;
819 }
820
821 if (best_annotation.isEmpty())
822 best_annotation = annotations.back();
823
824 // If not ellide the last in the list
825 p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText(
826 best_annotation, Qt::ElideRight, rect.width()));
827}
828
829void DecodeTrace::draw_error(QPainter &p, const QString &message,
830 const ViewItemPaintParams &pp)
831{
832 const int y = get_visual_y();
833
834 double samples_per_pixel, pixels_offset;
835 tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel();
836
837 p.setPen(ErrorBgColor.darker());
838 p.setBrush(ErrorBgColor);
839
840 const QRectF bounding_rect = QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX);
841
842 const QRectF text_rect = p.boundingRect(bounding_rect, Qt::AlignCenter, message);
843 const qreal r = text_rect.height() / 4;
844
845 p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, Qt::AbsoluteSize);
846
847 p.setPen(Qt::black);
848 p.drawText(text_rect, message);
849}
850
851void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const
852{
853 using namespace pv::data;
854 using pv::data::decode::Decoder;
855
856 double samples_per_pixel, pixels_offset;
857
858 const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_);
859 if (sample_count == 0)
860 return;
861
862 const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(current_segment_, true);
863 if (sample_count == samples_decoded)
864 return;
865
866 const int y = get_visual_y();
867
868 tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel();
869
870 const double start = max(samples_decoded /
871 samples_per_pixel - pixels_offset, left - 1.0);
872 const double end = min(sample_count / samples_per_pixel -
873 pixels_offset, right + 1.0);
874 const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h);
875
876 p.setPen(QPen(Qt::NoPen));
877 p.setBrush(Qt::white);
878 p.drawRect(no_decode_rect);
879
880 p.setPen(NoDecodeColor);
881 p.setBrush(QBrush(NoDecodeColor, Qt::Dense6Pattern));
882 p.drawRect(no_decode_rect);
883}
884
885pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const
886{
887 assert(owner_);
888
889 const View *view = owner_->view();
890 assert(view);
891
892 const double scale = view->scale();
893 assert(scale > 0);
894
895 const double pixels_offset =
896 ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>();
897
898 double samplerate = decode_signal_->samplerate();
899
900 // Show sample rate as 1Hz when it is unknown
901 if (samplerate == 0.0)
902 samplerate = 1.0;
903
904 return make_pair(pixels_offset, samplerate * scale);
905}
906
907pair<uint64_t, uint64_t> DecodeTrace::get_view_sample_range(
908 int x_start, int x_end) const
909{
910 double samples_per_pixel, pixels_offset;
911 tie(pixels_offset, samples_per_pixel) =
912 get_pixels_offset_samples_per_pixel();
913
914 const uint64_t start = (uint64_t)max(
915 (x_start + pixels_offset) * samples_per_pixel, 0.0);
916 const uint64_t end = (uint64_t)max(
917 (x_end + pixels_offset) * samples_per_pixel, 0.0);
918
919 return make_pair(start, end);
920}
921
922QColor DecodeTrace::get_row_color(int row_index) const
923{
924 // For each row color, use the base color hue and add an offset that's
925 // not a dividend of 360
926
927 QColor color;
928 const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360;
929 const int s = DECODETRACE_COLOR_SATURATION;
930 const int v = DECODETRACE_COLOR_VALUE;
931 color.setHsl(h, s, v);
932
933 return color;
934}
935
936QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const
937{
938 // For each row color, use the base color hue and add an offset that's
939 // not a dividend of 360 and not a multiple of the row offset
940
941 QColor color(row_color);
942 const int h = (color.toHsv().hue() + 55 * annotation_index) % 360;
943 const int s = DECODETRACE_COLOR_SATURATION;
944 const int v = DECODETRACE_COLOR_VALUE;
945 color.setHsl(h, s, v);
946
947 return color;
948}
949
950unsigned int DecodeTrace::get_row_y(const DecodeTraceRow* row) const
951{
952 assert(row);
953
954 unsigned int y = get_visual_y();
955
956 for (const DecodeTraceRow& r : rows_) {
957 if (!r.currently_visible)
958 continue;
959
960 if (row->decode_row == r.decode_row)
961 break;
962 else
963 y += r.height;
964 }
965
966 return y;
967}
968
969DecodeTraceRow* DecodeTrace::get_row_at_point(const QPoint &point)
970{
971 int y = get_visual_y() - (default_row_height_ / 2);
972
973 for (DecodeTraceRow& r : rows_) {
974 if (!r.currently_visible)
975 continue;
976
977 if ((point.y() >= y) && (point.y() < (int)(y + r.height)))
978 return &r;
979
980 y += r.height;
981 }
982
983 return nullptr;
984}
985
986const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
987{
988 using namespace pv::data::decode;
989
990 if (!enabled())
991 return QString();
992
993 const pair<uint64_t, uint64_t> sample_range =
994 get_view_sample_range(point.x(), point.x() + 1);
995 const DecodeTraceRow* r = get_row_at_point(point);
996
997 if (!r)
998 return QString();
999
1000 if (point.y() > (int)(get_row_y(r) + (annotation_height_ / 2)))
1001 return QString();
1002
1003 vector<Annotation> annotations;
1004
1005 decode_signal_->get_annotation_subset(annotations, r->decode_row,
1006 current_segment_, sample_range.first, sample_range.second);
1007
1008 return (annotations.empty()) ?
1009 QString() : annotations[0].annotations().front();
1010}
1011
1012void DecodeTrace::create_decoder_form(int index,
1013 shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
1014 QFormLayout *form)
1015{
1016 GlobalSettings settings;
1017
1018 assert(dec);
1019 const srd_decoder *const decoder = dec->get_srd_decoder();
1020 assert(decoder);
1021
1022 const bool decoder_deletable = index > 0;
1023
1024 pv::widgets::DecoderGroupBox *const group =
1025 new pv::widgets::DecoderGroupBox(
1026 QString::fromUtf8(decoder->name),
1027 tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname),
1028 QString::fromUtf8(decoder->desc)),
1029 nullptr, decoder_deletable);
1030 group->set_decoder_visible(dec->shown());
1031
1032 if (decoder_deletable) {
1033 delete_mapper_.setMapping(group, index);
1034 connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map()));
1035 }
1036
1037 show_hide_mapper_.setMapping(group, index);
1038 connect(group, SIGNAL(show_hide_decoder()),
1039 &show_hide_mapper_, SLOT(map()));
1040
1041 QFormLayout *const decoder_form = new QFormLayout;
1042 group->add_layout(decoder_form);
1043
1044 const vector<DecodeChannel> channels = decode_signal_->get_channels();
1045
1046 // Add the channels
1047 for (const DecodeChannel& ch : channels) {
1048 // Ignore channels not part of the decoder we create the form for
1049 if (ch.decoder_ != dec)
1050 continue;
1051
1052 QComboBox *const combo = create_channel_selector(parent, &ch);
1053 QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch);
1054
1055 channel_id_map_[combo] = ch.id;
1056 init_state_map_[combo_init_state] = ch.id;
1057
1058 connect(combo, SIGNAL(currentIndexChanged(int)),
1059 this, SLOT(on_channel_selected(int)));
1060 connect(combo_init_state, SIGNAL(currentIndexChanged(int)),
1061 this, SLOT(on_init_state_changed(int)));
1062
1063 QHBoxLayout *const hlayout = new QHBoxLayout;
1064 hlayout->addWidget(combo);
1065 hlayout->addWidget(combo_init_state);
1066
1067 if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool())
1068 combo_init_state->hide();
1069
1070 const QString required_flag = ch.is_optional ? QString() : QString("*");
1071 decoder_form->addRow(tr("<b>%1</b> (%2) %3")
1072 .arg(ch.name, ch.desc, required_flag), hlayout);
1073 }
1074
1075 // Add the options
1076 shared_ptr<binding::Decoder> binding(
1077 new binding::Decoder(decode_signal_, dec));
1078 binding->add_properties_to_form(decoder_form, true);
1079
1080 bindings_.push_back(binding);
1081
1082 form->addRow(group);
1083 decoder_forms_.push_back(group);
1084}
1085
1086QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch)
1087{
1088 const auto sigs(session_.signalbases());
1089
1090 // Sort signals in natural order
1091 vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end());
1092 sort(sig_list.begin(), sig_list.end(),
1093 [](const shared_ptr<data::SignalBase> &a,
1094 const shared_ptr<data::SignalBase> &b) {
1095 return strnatcasecmp(a->name().toStdString(),
1096 b->name().toStdString()) < 0; });
1097
1098 QComboBox *selector = new QComboBox(parent);
1099
1100 selector->addItem("-", qVariantFromValue((void*)nullptr));
1101
1102 if (!ch->assigned_signal)
1103 selector->setCurrentIndex(0);
1104
1105 for (const shared_ptr<data::SignalBase> &b : sig_list) {
1106 assert(b);
1107 if (b->logic_data() && b->enabled()) {
1108 selector->addItem(b->name(),
1109 qVariantFromValue((void*)b.get()));
1110
1111 if (ch->assigned_signal == b.get())
1112 selector->setCurrentIndex(selector->count() - 1);
1113 }
1114 }
1115
1116 return selector;
1117}
1118
1119QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent,
1120 const DecodeChannel *ch)
1121{
1122 QComboBox *selector = new QComboBox(parent);
1123
1124 selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW));
1125 selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH));
1126 selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0));
1127
1128 selector->setCurrentIndex(ch->initial_pin_state);
1129
1130 selector->setToolTip("Initial (assumed) pin value before the first sample");
1131
1132 return selector;
1133}
1134
1135void DecodeTrace::export_annotations(vector<Annotation> *annotations) const
1136{
1137 using namespace pv::data::decode;
1138
1139 GlobalSettings settings;
1140 const QString dir = settings.value("MainWindow/SaveDirectory").toString();
1141
1142 const QString file_name = QFileDialog::getSaveFileName(
1143 owner_->view(), tr("Export annotations"), dir, tr("Text Files (*.txt);;All Files (*)"));
1144
1145 if (file_name.isEmpty())
1146 return;
1147
1148 QString format = settings.value(GlobalSettings::Key_Dec_ExportFormat).toString();
1149 const QString quote = format.contains("%q") ? "\"" : "";
1150 format = format.remove("%q");
1151
1152 QFile file(file_name);
1153 if (file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) {
1154 QTextStream out_stream(&file);
1155
1156 for (Annotation &ann : *annotations) {
1157 const QString sample_range = QString("%1-%2") \
1158 .arg(QString::number(ann.start_sample()), QString::number(ann.end_sample()));
1159
1160 const QString row_name = quote + ann.row()->description() + quote;
1161
1162 QString all_ann_text;
1163 for (const QString &s : ann.annotations())
1164 all_ann_text = all_ann_text + quote + s + quote + ",";
1165 all_ann_text.chop(1);
1166
1167 const QString first_ann_text = quote + ann.annotations().front() + quote;
1168
1169 QString out_text = format;
1170 out_text = out_text.replace("%s", sample_range);
1171 out_text = out_text.replace("%d",
1172 quote + QString::fromUtf8(ann.row()->decoder()->name()) + quote);
1173 out_text = out_text.replace("%r", row_name);
1174 out_text = out_text.replace("%1", first_ann_text);
1175 out_text = out_text.replace("%a", all_ann_text);
1176 out_stream << out_text << '\n';
1177 }
1178
1179 if (out_stream.status() == QTextStream::Ok)
1180 return;
1181 }
1182
1183 QMessageBox msg(owner_->view());
1184 msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name));
1185 msg.setStandardButtons(QMessageBox::Ok);
1186 msg.setIcon(QMessageBox::Warning);
1187 msg.exec();
1188}
1189
1190void DecodeTrace::initialize_row_widgets(DecodeTraceRow* r, unsigned int row_id)
1191{
1192 QFontMetrics m(QApplication::font());
1193
1194 QPalette header_palette = owner_->view()->palette();
1195 QPalette selector_palette = owner_->view()->palette();
1196
1197 if (GlobalSettings::current_theme_is_dark()) {
1198 header_palette.setColor(QPalette::Background,
1199 QColor(255, 255, 255, ExpansionAreaHeaderAlpha));
1200 selector_palette.setColor(QPalette::Background,
1201 QColor(255, 255, 255, ExpansionAreaAlpha));
1202 } else {
1203 header_palette.setColor(QPalette::Background,
1204 QColor(0, 0, 0, ExpansionAreaHeaderAlpha));
1205 selector_palette.setColor(QPalette::Background,
1206 QColor(0, 0, 0, ExpansionAreaAlpha));
1207 }
1208
1209 const int w = m.boundingRect(r->decode_row->title()).width() + RowTitleMargin;
1210 r->title_width = w;
1211
1212 r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
1213 r->expanded_height - 2 * default_row_height_);
1214 r->container->setVisible(false);
1215
1216 QVBoxLayout* vlayout = new QVBoxLayout();
1217 r->container->setLayout(vlayout);
1218
1219 // Add header container with checkbox for this row
1220 vlayout->addWidget(r->header_container);
1221 vlayout->setContentsMargins(0, 0, 0, 0);
1222 vlayout->setSpacing(0);
1223 r->header_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
1224 r->header_container->setMinimumSize(0, default_row_height_);
1225 r->header_container->setLayout(new QVBoxLayout());
1226 r->header_container->layout()->setContentsMargins(10, 2, 0, 2);
1227
1228 r->header_container->setAutoFillBackground(true);
1229 r->header_container->setPalette(header_palette);
1230
1231 QCheckBox* cb = new QCheckBox();
1232 r->header_container->layout()->addWidget(cb);
1233 cb->setText(tr("Show this row"));
1234 cb->setChecked(r->decode_row->visible());
1235
1236 row_show_hide_mapper_.setMapping(cb, row_id);
1237 connect(cb, SIGNAL(stateChanged(int)),
1238 &row_show_hide_mapper_, SLOT(map()));
1239
1240 // Add selector container
1241 vlayout->addWidget(r->selector_container);
1242 r->selector_container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
1243 r->selector_container->setMinimumSize(0, 3 * default_row_height_); // FIXME
1244 r->selector_container->setLayout(new QHBoxLayout());
1245
1246 r->selector_container->setAutoFillBackground(true);
1247 r->selector_container->setPalette(selector_palette);
1248
1249 // Add all classes that can be toggled
1250 vector<AnnotationClass*> ann_classes = r->decode_row->ann_classes();
1251
1252 for (const AnnotationClass* ann_class : ann_classes) {
1253 cb = new QCheckBox();
1254 cb->setText(tr(ann_class->description));
1255 cb->setChecked(ann_class->visible);
1256
1257 r->selector_container->layout()->addWidget(cb);
1258
1259 cb->setProperty("ann_class_ptr", QVariant::fromValue((void*)ann_class));
1260 class_show_hide_mapper_.setMapping(cb, cb);
1261 connect(cb, SIGNAL(stateChanged(int)),
1262 &class_show_hide_mapper_, SLOT(map()));
1263 }
1264}
1265
1266void DecodeTrace::update_rows()
1267{
1268 lock_guard<mutex> lock(row_modification_mutex_);
1269
1270 for (DecodeTraceRow& r : rows_)
1271 r.exists = false;
1272
1273 unsigned int row_id = 0;
1274 for (Row* decode_row : decode_signal_->get_rows()) {
1275 // Find row in our list
1276 auto r_it = find_if(rows_.begin(), rows_.end(),
1277 [&](DecodeTraceRow& r){ return r.decode_row == decode_row; });
1278
1279 DecodeTraceRow* r = nullptr;
1280 if (r_it == rows_.end()) {
1281 // Row doesn't exist yet, create and append it
1282 DecodeTraceRow nr;
1283 nr.decode_row = decode_row;
1284 nr.height = default_row_height_;
1285 nr.expanded_height = default_row_height_;
1286 nr.currently_visible = false;
1287 nr.expand_marker_highlighted = false;
1288 nr.expanding = false;
1289 nr.expanded = false;
1290 nr.collapsing = false;
1291 nr.expand_marker_shape = default_marker_shape_;
1292 nr.container = new QWidget(owner_->view()->scrollarea());
1293 nr.header_container = new QWidget(nr.container);
1294 nr.selector_container = new QWidget(nr.container);
1295
1296 rows_.push_back(nr);
1297 r = &rows_.back();
1298 initialize_row_widgets(r, row_id);
1299 } else
1300 r = &(*r_it);
1301
1302 r->exists = true;
1303 row_id++;
1304 }
1305
1306 // Remove any rows that no longer exist, obeying that iterators are invalidated
1307 bool any_exists;
1308 do {
1309 any_exists = false;
1310
1311 for (unsigned int i = 0; i < rows_.size(); i++)
1312 if (!rows_[i].exists) {
1313 for (QCheckBox* cb : rows_[i].selectors)
1314 delete cb;
1315
1316 delete rows_[i].selector_container;
1317 delete rows_[i].header_container;
1318 delete rows_[i].container;
1319
1320 rows_.erase(rows_.begin() + i);
1321 any_exists = true;
1322 break;
1323 }
1324 } while (any_exists);
1325}
1326
1327void DecodeTrace::set_row_expanded(DecodeTraceRow* r)
1328{
1329 r->height = r->expanded_height;
1330 r->expanding = false;
1331 r->expanded = true;
1332
1333 // For details on this, see on_animation_timer()
1334 r->expand_marker_shape.setPoint(0, 0, 0);
1335 r->expand_marker_shape.setPoint(1, ArrowSize, ArrowSize);
1336 r->expand_marker_shape.setPoint(2, 2*ArrowSize, 0);
1337
1338 r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
1339 r->height - 2 * default_row_height_);
1340
1341 max_visible_rows_ = 0;
1342}
1343
1344void DecodeTrace::set_row_collapsed(DecodeTraceRow* r)
1345{
1346 r->height = default_row_height_;
1347 r->collapsing = false;
1348 r->expanded = false;
1349 r->expand_marker_shape = default_marker_shape_;
1350 r->container->setVisible(false);
1351
1352 r->container->resize(owner_->view()->viewport()->width() - r->container->pos().x(),
1353 r->height - 2 * default_row_height_);
1354
1355 max_visible_rows_ = 0;
1356}
1357
1358void DecodeTrace::update_expanded_rows()
1359{
1360 for (DecodeTraceRow& r : rows_) {
1361
1362 r.container->move(2 * ArrowSize,
1363 get_row_y(&r) + default_row_height_);
1364 }
1365}
1366
1367void DecodeTrace::on_setting_changed(const QString &key, const QVariant &value)
1368{
1369 Trace::on_setting_changed(key, value);
1370
1371 if (key == GlobalSettings::Key_Dec_AlwaysShowAllRows) {
1372 max_visible_rows_ = 0;
1373 always_show_all_rows_ = value.toBool();
1374 }
1375}
1376
1377void DecodeTrace::on_new_annotations()
1378{
1379 if (!delayed_trace_updater_.isActive())
1380 delayed_trace_updater_.start();
1381}
1382
1383void DecodeTrace::on_delayed_trace_update()
1384{
1385 if (owner_)
1386 owner_->row_item_appearance_changed(false, true);
1387}
1388
1389void DecodeTrace::on_decode_reset()
1390{
1391 max_visible_rows_ = 0;
1392 update_rows();
1393
1394 if (owner_)
1395 owner_->row_item_appearance_changed(false, true);
1396}
1397
1398void DecodeTrace::on_decode_finished()
1399{
1400 if (owner_)
1401 owner_->row_item_appearance_changed(false, true);
1402}
1403
1404void DecodeTrace::on_pause_decode()
1405{
1406 if (decode_signal_->is_paused())
1407 decode_signal_->resume_decode();
1408 else
1409 decode_signal_->pause_decode();
1410}
1411
1412void DecodeTrace::on_delete()
1413{
1414 session_.remove_decode_signal(decode_signal_);
1415}
1416
1417void DecodeTrace::on_channel_selected(int)
1418{
1419 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
1420
1421 // Determine signal that was selected
1422 const data::SignalBase *signal =
1423 (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>();
1424
1425 // Determine decode channel ID this combo box is the channel selector for
1426 const uint16_t id = channel_id_map_.at(cb);
1427
1428 decode_signal_->assign_signal(id, signal);
1429}
1430
1431void DecodeTrace::on_channels_updated()
1432{
1433 if (owner_)
1434 owner_->row_item_appearance_changed(false, true);
1435}
1436
1437void DecodeTrace::on_init_state_changed(int)
1438{
1439 QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender());
1440
1441 // Determine inital pin state that was selected
1442 int init_state = cb->itemData(cb->currentIndex()).value<int>();
1443
1444 // Determine decode channel ID this combo box is the channel selector for
1445 const uint16_t id = init_state_map_.at(cb);
1446
1447 decode_signal_->set_initial_pin_state(id, init_state);
1448}
1449
1450void DecodeTrace::on_stack_decoder(srd_decoder *decoder)
1451{
1452 decode_signal_->stack_decoder(decoder);
1453 update_rows();
1454
1455 create_popup_form();
1456}
1457
1458void DecodeTrace::on_delete_decoder(int index)
1459{
1460 decode_signal_->remove_decoder(index);
1461 update_rows();
1462
1463 // Force re-calculation of the trace height
1464 max_visible_rows_ = 0;
1465 owner_->extents_changed(false, true);
1466
1467 create_popup_form();
1468}
1469
1470void DecodeTrace::on_show_hide_decoder(int index)
1471{
1472 const bool state = decode_signal_->toggle_decoder_visibility(index);
1473
1474 assert(index < (int)decoder_forms_.size());
1475 decoder_forms_[index]->set_decoder_visible(state);
1476
1477 if (!state) {
1478 // Force re-calculation of the trace height, see paint_mid()
1479 max_visible_rows_ = 0;
1480 owner_->extents_changed(false, true);
1481 }
1482
1483 owner_->row_item_appearance_changed(false, true);
1484}
1485
1486void DecodeTrace::on_show_hide_row(int row_id)
1487{
1488 if (row_id >= (int)rows_.size())
1489 return;
1490
1491 set_row_collapsed(&rows_[row_id]);
1492 rows_[row_id].decode_row->set_visible(!rows_[row_id].decode_row->visible());
1493
1494 // Force re-calculation of the trace height, see paint_mid()
1495 max_visible_rows_ = 0;
1496 owner_->extents_changed(false, true);
1497 owner_->row_item_appearance_changed(false, true);
1498}
1499
1500void DecodeTrace::on_show_hide_class(QWidget* sender)
1501{
1502 void* ann_class_ptr = sender->property("ann_class_ptr").value<void*>();
1503 assert(ann_class_ptr);
1504
1505 AnnotationClass* ann_class = (AnnotationClass*)ann_class_ptr;
1506 ann_class->visible = !ann_class->visible;
1507
1508 owner_->row_item_appearance_changed(false, true);
1509}
1510
1511void DecodeTrace::on_copy_annotation_to_clipboard()
1512{
1513 using namespace pv::data::decode;
1514
1515 if (!selected_row_)
1516 return;
1517
1518 vector<Annotation> *annotations = new vector<Annotation>();
1519
1520 decode_signal_->get_annotation_subset(*annotations, selected_row_,
1521 current_segment_, selected_sample_range_.first, selected_sample_range_.first);
1522
1523 if (annotations->empty())
1524 return;
1525
1526 QClipboard *clipboard = QApplication::clipboard();
1527 clipboard->setText(annotations->front().annotations().front(), QClipboard::Clipboard);
1528
1529 if (clipboard->supportsSelection())
1530 clipboard->setText(annotations->front().annotations().front(), QClipboard::Selection);
1531
1532 delete annotations;
1533}
1534
1535void DecodeTrace::on_export_row()
1536{
1537 selected_sample_range_ = make_pair(0, numeric_limits<uint64_t>::max());
1538 on_export_row_from_here();
1539}
1540
1541void DecodeTrace::on_export_all_rows()
1542{
1543 selected_sample_range_ = make_pair(0, numeric_limits<uint64_t>::max());
1544 on_export_all_rows_from_here();
1545}
1546
1547void DecodeTrace::on_export_row_with_cursor()
1548{
1549 const View *view = owner_->view();
1550 assert(view);
1551
1552 if (!view->cursors()->enabled())
1553 return;
1554
1555 const double samplerate = session_.get_samplerate();
1556
1557 const pv::util::Timestamp& start_time = view->cursors()->first()->time();
1558 const pv::util::Timestamp& end_time = view->cursors()->second()->time();
1559
1560 const uint64_t start_sample = (uint64_t)max(
1561 0.0, start_time.convert_to<double>() * samplerate);
1562 const uint64_t end_sample = (uint64_t)max(
1563 0.0, end_time.convert_to<double>() * samplerate);
1564
1565 // Are both cursors negative and thus were clamped to 0?
1566 if ((start_sample == 0) && (end_sample == 0))
1567 return;
1568
1569 selected_sample_range_ = make_pair(start_sample, end_sample);
1570 on_export_row_from_here();
1571}
1572
1573void DecodeTrace::on_export_all_rows_with_cursor()
1574{
1575 const View *view = owner_->view();
1576 assert(view);
1577
1578 if (!view->cursors()->enabled())
1579 return;
1580
1581 const double samplerate = session_.get_samplerate();
1582
1583 const pv::util::Timestamp& start_time = view->cursors()->first()->time();
1584 const pv::util::Timestamp& end_time = view->cursors()->second()->time();
1585
1586 const uint64_t start_sample = (uint64_t)max(
1587 0.0, start_time.convert_to<double>() * samplerate);
1588 const uint64_t end_sample = (uint64_t)max(
1589 0.0, end_time.convert_to<double>() * samplerate);
1590
1591 // Are both cursors negative and thus were clamped to 0?
1592 if ((start_sample == 0) && (end_sample == 0))
1593 return;
1594
1595 selected_sample_range_ = make_pair(start_sample, end_sample);
1596 on_export_all_rows_from_here();
1597}
1598
1599void DecodeTrace::on_export_row_from_here()
1600{
1601 using namespace pv::data::decode;
1602
1603 if (!selected_row_)
1604 return;
1605
1606 vector<Annotation> *annotations = new vector<Annotation>();
1607
1608 decode_signal_->get_annotation_subset(*annotations, selected_row_,
1609 current_segment_, selected_sample_range_.first, selected_sample_range_.second);
1610
1611 if (annotations->empty())
1612 return;
1613
1614 export_annotations(annotations);
1615 delete annotations;
1616}
1617
1618void DecodeTrace::on_export_all_rows_from_here()
1619{
1620 using namespace pv::data::decode;
1621
1622 vector<Annotation> *annotations = new vector<Annotation>();
1623
1624 decode_signal_->get_annotation_subset(*annotations, current_segment_,
1625 selected_sample_range_.first, selected_sample_range_.second);
1626
1627 if (!annotations->empty())
1628 export_annotations(annotations);
1629
1630 delete annotations;
1631}
1632
1633void DecodeTrace::on_animation_timer()
1634{
1635 bool animation_finished = true;
1636
1637 for (DecodeTraceRow& r : rows_) {
1638 if (!(r.expanding || r.collapsing))
1639 continue;
1640
1641 unsigned int height_delta = r.expanded_height - default_row_height_;
1642
1643 if (r.expanding) {
1644 if (r.height < r.expanded_height) {
1645 r.anim_height += height_delta / (float)AnimationDurationInTicks;
1646 r.height = r.anim_height;
1647 r.anim_shape += ArrowSize / (float)AnimationDurationInTicks;
1648 animation_finished = false;
1649 } else
1650 set_row_expanded(&r);
1651 }
1652
1653 if (r.collapsing) {
1654 if (r.height > default_row_height_) {
1655 r.anim_height -= height_delta / (float)AnimationDurationInTicks;
1656 r.height = r.anim_height;
1657 r.anim_shape -= ArrowSize / (float)AnimationDurationInTicks;
1658 animation_finished = false;
1659 } else
1660 set_row_collapsed(&r);
1661 }
1662
1663 // The expansion marker shape switches between
1664 // 0/-A, A/0, 0/A (default state; anim_shape=0) and
1665 // 0/ 0, A/A, 2A/0 (expanded state; anim_shape=ArrowSize)
1666
1667 r.expand_marker_shape.setPoint(0, 0, -ArrowSize + r.anim_shape);
1668 r.expand_marker_shape.setPoint(1, ArrowSize, r.anim_shape);
1669 r.expand_marker_shape.setPoint(2, 2*r.anim_shape, ArrowSize - r.anim_shape);
1670 }
1671
1672 if (animation_finished)
1673 animation_timer_.stop();
1674
1675 owner_->extents_changed(false, true);
1676 owner_->row_item_appearance_changed(false, true);
1677}
1678
1679} // namespace trace
1680} // namespace views
1681} // namespace pv
Qt based LA/scope/MSO GUI