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