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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 | ||
20 | extern "C" { | |
21 | #include <libsigrokdecode/libsigrokdecode.h> | |
22 | } | |
23 | ||
24 | #include <climits> | |
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 <QComboBox> | |
35 | #include <QFileDialog> | |
36 | #include <QFormLayout> | |
37 | #include <QLabel> | |
38 | #include <QMenu> | |
39 | #include <QMessageBox> | |
40 | #include <QPushButton> | |
41 | #include <QTextStream> | |
42 | #include <QToolTip> | |
43 | ||
44 | #include "decodetrace.hpp" | |
45 | #include "view.hpp" | |
46 | #include "viewport.hpp" | |
47 | ||
48 | #include <pv/globalsettings.hpp> | |
49 | #include <pv/session.hpp> | |
50 | #include <pv/strnatcmp.hpp> | |
51 | #include <pv/data/decodesignal.hpp> | |
52 | #include <pv/data/decode/annotation.hpp> | |
53 | #include <pv/data/decode/decoder.hpp> | |
54 | #include <pv/data/logic.hpp> | |
55 | #include <pv/data/logicsegment.hpp> | |
56 | #include <pv/widgets/decodergroupbox.hpp> | |
57 | #include <pv/widgets/decodermenu.hpp> | |
58 | ||
59 | using std::abs; | |
60 | using std::make_pair; | |
61 | using std::max; | |
62 | using std::min; | |
63 | using std::out_of_range; | |
64 | using std::pair; | |
65 | using std::shared_ptr; | |
66 | using std::tie; | |
67 | using std::vector; | |
68 | ||
69 | using pv::data::decode::Annotation; | |
70 | using pv::data::decode::Row; | |
71 | using pv::data::DecodeChannel; | |
72 | using pv::data::DecodeSignal; | |
73 | ||
74 | namespace pv { | |
75 | namespace views { | |
76 | namespace trace { | |
77 | ||
78 | ||
79 | #define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */ | |
80 | #define DECODETRACE_COLOR_VALUE (170) /* 0-255 */ | |
81 | ||
82 | const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29); | |
83 | const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85); | |
84 | ||
85 | const int DecodeTrace::ArrowSize = 4; | |
86 | const double DecodeTrace::EndCapWidth = 5; | |
87 | const int DecodeTrace::RowTitleMargin = 10; | |
88 | const int DecodeTrace::DrawPadding = 100; | |
89 | ||
90 | const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz | |
91 | ||
92 | DecodeTrace::DecodeTrace(pv::Session &session, | |
93 | shared_ptr<data::SignalBase> signalbase, int index) : | |
94 | Trace(signalbase), | |
95 | session_(session), | |
96 | row_height_(0), | |
97 | max_visible_rows_(0), | |
98 | delete_mapper_(this), | |
99 | show_hide_mapper_(this) | |
100 | { | |
101 | decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_); | |
102 | ||
103 | // Determine shortest string we want to see displayed in full | |
104 | QFontMetrics m(QApplication::font()); | |
105 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
106 | ||
107 | // For the base color, we want to start at a very different color for | |
108 | // every decoder stack, so multiply the index with a number that is | |
109 | // rather close to 180 degrees of the color circle but not a dividend of 360 | |
110 | // Note: The offset equals the color of the first annotation | |
111 | QColor color; | |
112 | const int h = (120 + 160 * index) % 360; | |
113 | const int s = DECODETRACE_COLOR_SATURATION; | |
114 | const int v = DECODETRACE_COLOR_VALUE; | |
115 | color.setHsv(h, s, v); | |
116 | base_->set_color(color); | |
117 | ||
118 | connect(decode_signal_.get(), SIGNAL(new_annotations()), | |
119 | this, SLOT(on_new_annotations())); | |
120 | connect(decode_signal_.get(), SIGNAL(decode_reset()), | |
121 | this, SLOT(on_decode_reset())); | |
122 | connect(decode_signal_.get(), SIGNAL(decode_finished()), | |
123 | this, SLOT(on_decode_finished())); | |
124 | connect(decode_signal_.get(), SIGNAL(channels_updated()), | |
125 | this, SLOT(on_channels_updated())); | |
126 | ||
127 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
128 | this, SLOT(on_delete_decoder(int))); | |
129 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
130 | this, SLOT(on_show_hide_decoder(int))); | |
131 | ||
132 | connect(&delayed_trace_updater_, SIGNAL(timeout()), | |
133 | this, SLOT(on_delayed_trace_update())); | |
134 | delayed_trace_updater_.setSingleShot(true); | |
135 | delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate); | |
136 | } | |
137 | ||
138 | bool DecodeTrace::enabled() const | |
139 | { | |
140 | return true; | |
141 | } | |
142 | ||
143 | shared_ptr<data::SignalBase> DecodeTrace::base() const | |
144 | { | |
145 | return base_; | |
146 | } | |
147 | ||
148 | pair<int, int> DecodeTrace::v_extents() const | |
149 | { | |
150 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
151 | ||
152 | // Make an empty decode trace appear symmetrical | |
153 | const int row_count = max(1, max_visible_rows_); | |
154 | ||
155 | return make_pair(-row_height, row_height * row_count); | |
156 | } | |
157 | ||
158 | void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
159 | { | |
160 | Trace::paint_back(p, pp); | |
161 | paint_axis(p, pp, get_visual_y()); | |
162 | } | |
163 | ||
164 | void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
165 | { | |
166 | const int text_height = ViewItemPaintParams::text_height(); | |
167 | row_height_ = (text_height * 6) / 4; | |
168 | const int annotation_height = (text_height * 5) / 4; | |
169 | ||
170 | // Set default pen to allow for text width calculation | |
171 | p.setPen(Qt::black); | |
172 | ||
173 | // Iterate through the rows | |
174 | int y = get_visual_y(); | |
175 | pair<uint64_t, uint64_t> sample_range = get_sample_range(pp.left(), pp.right()); | |
176 | ||
177 | // Just because the view says we see a certain sample range it | |
178 | // doesn't mean we have this many decoded samples, too, so crop | |
179 | // the range to what has been decoded already | |
180 | sample_range.second = min((int64_t)sample_range.second, | |
181 | decode_signal_->get_decoded_sample_count(current_segment_, false)); | |
182 | ||
183 | const vector<Row> rows = decode_signal_->visible_rows(); | |
184 | ||
185 | visible_rows_.clear(); | |
186 | for (const Row& row : rows) { | |
187 | // Cache the row title widths | |
188 | int row_title_width; | |
189 | try { | |
190 | row_title_width = row_title_widths_.at(row); | |
191 | } catch (out_of_range&) { | |
192 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
193 | RowTitleMargin; | |
194 | row_title_widths_[row] = w; | |
195 | row_title_width = w; | |
196 | } | |
197 | ||
198 | vector<Annotation> annotations; | |
199 | decode_signal_->get_annotation_subset(annotations, row, | |
200 | current_segment_, sample_range.first, sample_range.second); | |
201 | if (!annotations.empty()) { | |
202 | draw_annotations(annotations, p, annotation_height, pp, y, | |
203 | get_row_color(row.index()), row_title_width); | |
204 | y += row_height_; | |
205 | visible_rows_.push_back(row); | |
206 | } | |
207 | } | |
208 | ||
209 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
210 | ||
211 | if ((int)visible_rows_.size() > max_visible_rows_) { | |
212 | max_visible_rows_ = (int)visible_rows_.size(); | |
213 | ||
214 | // Call order is important, otherwise the lazy event handler won't work | |
215 | owner_->extents_changed(false, true); | |
216 | owner_->row_item_appearance_changed(false, true); | |
217 | } | |
218 | ||
219 | const QString err = decode_signal_->error_message(); | |
220 | if (!err.isEmpty()) | |
221 | draw_error(p, err, pp); | |
222 | } | |
223 | ||
224 | void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
225 | { | |
226 | assert(row_height_); | |
227 | ||
228 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
229 | const int y = i * row_height_ + get_visual_y(); | |
230 | ||
231 | p.setPen(QPen(Qt::NoPen)); | |
232 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
233 | ||
234 | if (i != 0) { | |
235 | const QPointF points[] = { | |
236 | QPointF(pp.left(), y - ArrowSize), | |
237 | QPointF(pp.left() + ArrowSize, y), | |
238 | QPointF(pp.left(), y + ArrowSize) | |
239 | }; | |
240 | p.drawPolygon(points, countof(points)); | |
241 | } | |
242 | ||
243 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
244 | pp.right() - pp.left(), row_height_); | |
245 | const QString h(visible_rows_[i].title()); | |
246 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
247 | Qt::TextDontClip; | |
248 | ||
249 | // Draw the outline | |
250 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
251 | for (int dx = -1; dx <= 1; dx++) | |
252 | for (int dy = -1; dy <= 1; dy++) | |
253 | if (dx != 0 && dy != 0) | |
254 | p.drawText(r.translated(dx, dy), f, h); | |
255 | ||
256 | // Draw the text | |
257 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
258 | p.drawText(r, f, h); | |
259 | } | |
260 | ||
261 | if (show_hover_marker_) | |
262 | paint_hover_marker(p); | |
263 | } | |
264 | ||
265 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
266 | { | |
267 | using pv::data::decode::Decoder; | |
268 | ||
269 | assert(form); | |
270 | ||
271 | // Add the standard options | |
272 | Trace::populate_popup_form(parent, form); | |
273 | ||
274 | // Add the decoder options | |
275 | bindings_.clear(); | |
276 | channel_id_map_.clear(); | |
277 | init_state_map_.clear(); | |
278 | decoder_forms_.clear(); | |
279 | ||
280 | const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack(); | |
281 | ||
282 | if (stack.empty()) { | |
283 | QLabel *const l = new QLabel( | |
284 | tr("<p><i>No decoders in the stack</i></p>")); | |
285 | l->setAlignment(Qt::AlignCenter); | |
286 | form->addRow(l); | |
287 | } else { | |
288 | auto iter = stack.cbegin(); | |
289 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
290 | shared_ptr<Decoder> dec(*iter); | |
291 | create_decoder_form(i, dec, parent, form); | |
292 | } | |
293 | ||
294 | form->addRow(new QLabel( | |
295 | tr("<i>* Required channels</i>"), parent)); | |
296 | } | |
297 | ||
298 | // Add stacking button | |
299 | pv::widgets::DecoderMenu *const decoder_menu = | |
300 | new pv::widgets::DecoderMenu(parent); | |
301 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
302 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
303 | ||
304 | QPushButton *const stack_button = | |
305 | new QPushButton(tr("Stack Decoder"), parent); | |
306 | stack_button->setMenu(decoder_menu); | |
307 | stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one")); | |
308 | ||
309 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
310 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
311 | form->addRow(stack_button_box); | |
312 | } | |
313 | ||
314 | QMenu* DecodeTrace::create_header_context_menu(QWidget *parent) | |
315 | { | |
316 | QMenu *const menu = Trace::create_header_context_menu(parent); | |
317 | ||
318 | menu->addSeparator(); | |
319 | ||
320 | QAction *const del = new QAction(tr("Delete"), this); | |
321 | del->setShortcuts(QKeySequence::Delete); | |
322 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
323 | menu->addAction(del); | |
324 | ||
325 | return menu; | |
326 | } | |
327 | ||
328 | QMenu* DecodeTrace::create_view_context_menu(QWidget *parent, QPoint &click_pos) | |
329 | { | |
330 | try { | |
331 | selected_row_ = &visible_rows_[get_row_at_point(click_pos)]; | |
332 | } catch (out_of_range&) { | |
333 | selected_row_ = nullptr; | |
334 | } | |
335 | ||
336 | const pair<uint64_t, uint64_t> sample_range = | |
337 | get_sample_range(click_pos.x(), click_pos.x() + 1); | |
338 | selected_samplepos_ = sample_range.first; | |
339 | ||
340 | QMenu *const menu = new QMenu(parent); | |
341 | ||
342 | QAction *const export_row = | |
343 | new QAction(tr("Export all annotations for this row"), this); | |
344 | export_row->setIcon(QIcon::fromTheme("document-save-as", | |
345 | QIcon(":/icons/document-save-as.png"))); | |
346 | connect(export_row, SIGNAL(triggered()), | |
347 | this, SLOT(on_export_row())); | |
348 | menu->addAction(export_row); | |
349 | ||
350 | QAction *const export_row_from_here = | |
351 | new QAction(tr("Export annotations for this row, starting here"), this); | |
352 | export_row_from_here->setIcon(QIcon::fromTheme("document-save-as", | |
353 | QIcon(":/icons/document-save-as.png"))); | |
354 | connect(export_row_from_here, SIGNAL(triggered()), | |
355 | this, SLOT(on_export_row_from_here())); | |
356 | menu->addAction(export_row_from_here); | |
357 | ||
358 | return menu; | |
359 | } | |
360 | ||
361 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
362 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
363 | QColor row_color, int row_title_width) | |
364 | { | |
365 | using namespace pv::data::decode; | |
366 | ||
367 | Annotation::Class block_class = 0; | |
368 | bool block_class_uniform = true; | |
369 | qreal block_start = 0; | |
370 | int block_ann_count = 0; | |
371 | ||
372 | const Annotation *prev_ann; | |
373 | qreal prev_end = INT_MIN; | |
374 | ||
375 | qreal a_end; | |
376 | ||
377 | double samples_per_pixel, pixels_offset; | |
378 | tie(pixels_offset, samples_per_pixel) = | |
379 | get_pixels_offset_samples_per_pixel(); | |
380 | ||
381 | // Sort the annotations by start sample so that decoders | |
382 | // can't confuse us by creating annotations out of order | |
383 | stable_sort(annotations.begin(), annotations.end(), | |
384 | [](const Annotation &a, const Annotation &b) { | |
385 | return a.start_sample() < b.start_sample(); }); | |
386 | ||
387 | // Gather all annotations that form a visual "block" and draw them as such | |
388 | for (const Annotation &a : annotations) { | |
389 | ||
390 | const qreal abs_a_start = a.start_sample() / samples_per_pixel; | |
391 | const qreal abs_a_end = a.end_sample() / samples_per_pixel; | |
392 | ||
393 | const qreal a_start = abs_a_start - pixels_offset; | |
394 | a_end = abs_a_end - pixels_offset; | |
395 | ||
396 | const qreal a_width = a_end - a_start; | |
397 | const qreal delta = a_end - prev_end; | |
398 | ||
399 | bool a_is_separate = false; | |
400 | ||
401 | // Annotation wider than the threshold for a useful label width? | |
402 | if (a_width >= min_useful_label_width_) { | |
403 | for (const QString &ann_text : a.annotations()) { | |
404 | const qreal w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
405 | // Annotation wide enough to fit a label? Don't put it in a block then | |
406 | if (w <= a_width) { | |
407 | a_is_separate = true; | |
408 | break; | |
409 | } | |
410 | } | |
411 | } | |
412 | ||
413 | // Were the previous and this annotation more than a pixel apart? | |
414 | if ((abs(delta) > 1) || a_is_separate) { | |
415 | // Block was broken, draw annotations that form the current block | |
416 | if (block_ann_count == 1) | |
417 | draw_annotation(*prev_ann, p, h, pp, y, row_color, | |
418 | row_title_width); | |
419 | else if (block_ann_count > 0) | |
420 | draw_annotation_block(block_start, prev_end, block_class, | |
421 | block_class_uniform, p, h, y, row_color); | |
422 | ||
423 | block_ann_count = 0; | |
424 | } | |
425 | ||
426 | if (a_is_separate) { | |
427 | draw_annotation(a, p, h, pp, y, row_color, row_title_width); | |
428 | // Next annotation must start a new block. delta will be > 1 | |
429 | // because we set prev_end to INT_MIN but that's okay since | |
430 | // block_ann_count will be 0 and nothing will be drawn | |
431 | prev_end = INT_MIN; | |
432 | block_ann_count = 0; | |
433 | } else { | |
434 | prev_end = a_end; | |
435 | prev_ann = &a; | |
436 | ||
437 | if (block_ann_count == 0) { | |
438 | block_start = a_start; | |
439 | block_class = a.ann_class(); | |
440 | block_class_uniform = true; | |
441 | } else | |
442 | if (a.ann_class() != block_class) | |
443 | block_class_uniform = false; | |
444 | ||
445 | block_ann_count++; | |
446 | } | |
447 | } | |
448 | ||
449 | if (block_ann_count == 1) | |
450 | draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width); | |
451 | else if (block_ann_count > 0) | |
452 | draw_annotation_block(block_start, prev_end, block_class, | |
453 | block_class_uniform, p, h, y, row_color); | |
454 | } | |
455 | ||
456 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
457 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
458 | QColor row_color, int row_title_width) const | |
459 | { | |
460 | double samples_per_pixel, pixels_offset; | |
461 | tie(pixels_offset, samples_per_pixel) = | |
462 | get_pixels_offset_samples_per_pixel(); | |
463 | ||
464 | const double start = a.start_sample() / samples_per_pixel - | |
465 | pixels_offset; | |
466 | const double end = a.end_sample() / samples_per_pixel - pixels_offset; | |
467 | ||
468 | QColor color = get_annotation_color(row_color, a.ann_class()); | |
469 | p.setPen(color.darker()); | |
470 | p.setBrush(color); | |
471 | ||
472 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
473 | return; | |
474 | ||
475 | if (a.start_sample() == a.end_sample()) | |
476 | draw_instant(a, p, h, start, y); | |
477 | else | |
478 | draw_range(a, p, h, start, end, y, pp, row_title_width); | |
479 | } | |
480 | ||
481 | void DecodeTrace::draw_annotation_block(qreal start, qreal end, | |
482 | Annotation::Class ann_class, bool use_ann_format, QPainter &p, int h, | |
483 | int y, QColor row_color) const | |
484 | { | |
485 | const double top = y + .5 - h / 2; | |
486 | const double bottom = y + .5 + h / 2; | |
487 | ||
488 | const QRectF rect(start, top, end - start, bottom - top); | |
489 | const int r = h / 4; | |
490 | ||
491 | p.setPen(QPen(Qt::NoPen)); | |
492 | p.setBrush(Qt::white); | |
493 | p.drawRoundedRect(rect, r, r); | |
494 | ||
495 | // If all annotations in this block are of the same type, we can use the | |
496 | // one format that all of these annotations have. Otherwise, we should use | |
497 | // a neutral color (i.e. gray) | |
498 | if (use_ann_format) { | |
499 | const QColor color = get_annotation_color(row_color, ann_class); | |
500 | p.setPen(color.darker()); | |
501 | p.setBrush(QBrush(color, Qt::Dense4Pattern)); | |
502 | } else { | |
503 | p.setPen(Qt::gray); | |
504 | p.setBrush(QBrush(Qt::gray, Qt::Dense4Pattern)); | |
505 | } | |
506 | ||
507 | p.drawRoundedRect(rect, r, r); | |
508 | } | |
509 | ||
510 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
511 | int h, qreal x, int y) const | |
512 | { | |
513 | const QString text = a.annotations().empty() ? | |
514 | QString() : a.annotations().back(); | |
515 | const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(), | |
516 | 0.0) + h; | |
517 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
518 | ||
519 | p.drawRoundedRect(rect, h / 2, h / 2); | |
520 | ||
521 | p.setPen(Qt::black); | |
522 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
523 | } | |
524 | ||
525 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
526 | int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp, | |
527 | int row_title_width) const | |
528 | { | |
529 | const qreal top = y + .5 - h / 2; | |
530 | const qreal bottom = y + .5 + h / 2; | |
531 | const vector<QString> annotations = a.annotations(); | |
532 | ||
533 | // If the two ends are within 1 pixel, draw a vertical line | |
534 | if (start + 1.0 > end) { | |
535 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
536 | return; | |
537 | } | |
538 | ||
539 | const qreal cap_width = min((end - start) / 4, EndCapWidth); | |
540 | ||
541 | QPointF pts[] = { | |
542 | QPointF(start, y + .5f), | |
543 | QPointF(start + cap_width, top), | |
544 | QPointF(end - cap_width, top), | |
545 | QPointF(end, y + .5f), | |
546 | QPointF(end - cap_width, bottom), | |
547 | QPointF(start + cap_width, bottom) | |
548 | }; | |
549 | ||
550 | p.drawConvexPolygon(pts, countof(pts)); | |
551 | ||
552 | if (annotations.empty()) | |
553 | return; | |
554 | ||
555 | const int ann_start = start + cap_width; | |
556 | const int ann_end = end - cap_width; | |
557 | ||
558 | const int real_start = max(ann_start, pp.left() + row_title_width); | |
559 | const int real_end = min(ann_end, pp.right()); | |
560 | const int real_width = real_end - real_start; | |
561 | ||
562 | QRectF rect(real_start, y - h / 2, real_width, h); | |
563 | if (rect.width() <= 4) | |
564 | return; | |
565 | ||
566 | p.setPen(Qt::black); | |
567 | ||
568 | // Try to find an annotation that will fit | |
569 | QString best_annotation; | |
570 | int best_width = 0; | |
571 | ||
572 | for (const QString &a : annotations) { | |
573 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
574 | if (w <= rect.width() && w > best_width) | |
575 | best_annotation = a, best_width = w; | |
576 | } | |
577 | ||
578 | if (best_annotation.isEmpty()) | |
579 | best_annotation = annotations.back(); | |
580 | ||
581 | // If not ellide the last in the list | |
582 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
583 | best_annotation, Qt::ElideRight, rect.width())); | |
584 | } | |
585 | ||
586 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
587 | const ViewItemPaintParams &pp) | |
588 | { | |
589 | const int y = get_visual_y(); | |
590 | ||
591 | double samples_per_pixel, pixels_offset; | |
592 | tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel(); | |
593 | ||
594 | p.setPen(ErrorBgColor.darker()); | |
595 | p.setBrush(ErrorBgColor); | |
596 | ||
597 | const QRectF bounding_rect = QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX); | |
598 | ||
599 | const QRectF text_rect = p.boundingRect(bounding_rect, Qt::AlignCenter, message); | |
600 | const qreal r = text_rect.height() / 4; | |
601 | ||
602 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, Qt::AbsoluteSize); | |
603 | ||
604 | p.setPen(Qt::black); | |
605 | p.drawText(text_rect, message); | |
606 | } | |
607 | ||
608 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const | |
609 | { | |
610 | using namespace pv::data; | |
611 | using pv::data::decode::Decoder; | |
612 | ||
613 | double samples_per_pixel, pixels_offset; | |
614 | ||
615 | const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_); | |
616 | if (sample_count == 0) | |
617 | return; | |
618 | ||
619 | const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(current_segment_, true); | |
620 | if (sample_count == samples_decoded) | |
621 | return; | |
622 | ||
623 | const int y = get_visual_y(); | |
624 | ||
625 | tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel(); | |
626 | ||
627 | const double start = max(samples_decoded / | |
628 | samples_per_pixel - pixels_offset, left - 1.0); | |
629 | const double end = min(sample_count / samples_per_pixel - | |
630 | pixels_offset, right + 1.0); | |
631 | const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h); | |
632 | ||
633 | p.setPen(QPen(Qt::NoPen)); | |
634 | p.setBrush(Qt::white); | |
635 | p.drawRect(no_decode_rect); | |
636 | ||
637 | p.setPen(NoDecodeColor); | |
638 | p.setBrush(QBrush(NoDecodeColor, Qt::Dense6Pattern)); | |
639 | p.drawRect(no_decode_rect); | |
640 | } | |
641 | ||
642 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
643 | { | |
644 | assert(owner_); | |
645 | ||
646 | const View *view = owner_->view(); | |
647 | assert(view); | |
648 | ||
649 | const double scale = view->scale(); | |
650 | assert(scale > 0); | |
651 | ||
652 | const double pixels_offset = | |
653 | ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>(); | |
654 | ||
655 | double samplerate = decode_signal_->samplerate(); | |
656 | ||
657 | // Show sample rate as 1Hz when it is unknown | |
658 | if (samplerate == 0.0) | |
659 | samplerate = 1.0; | |
660 | ||
661 | return make_pair(pixels_offset, samplerate * scale); | |
662 | } | |
663 | ||
664 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
665 | int x_start, int x_end) const | |
666 | { | |
667 | double samples_per_pixel, pixels_offset; | |
668 | tie(pixels_offset, samples_per_pixel) = | |
669 | get_pixels_offset_samples_per_pixel(); | |
670 | ||
671 | const uint64_t start = (uint64_t)max( | |
672 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
673 | const uint64_t end = (uint64_t)max( | |
674 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
675 | ||
676 | return make_pair(start, end); | |
677 | } | |
678 | ||
679 | QColor DecodeTrace::get_row_color(int row_index) const | |
680 | { | |
681 | // For each row color, use the base color hue and add an offset that's | |
682 | // not a dividend of 360 | |
683 | ||
684 | QColor color; | |
685 | const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360; | |
686 | const int s = DECODETRACE_COLOR_SATURATION; | |
687 | const int v = DECODETRACE_COLOR_VALUE; | |
688 | color.setHsl(h, s, v); | |
689 | ||
690 | return color; | |
691 | } | |
692 | ||
693 | QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const | |
694 | { | |
695 | // For each row color, use the base color hue and add an offset that's | |
696 | // not a dividend of 360 and not a multiple of the row offset | |
697 | ||
698 | QColor color(row_color); | |
699 | const int h = (color.toHsv().hue() + 55 * annotation_index) % 360; | |
700 | const int s = DECODETRACE_COLOR_SATURATION; | |
701 | const int v = DECODETRACE_COLOR_VALUE; | |
702 | color.setHsl(h, s, v); | |
703 | ||
704 | return color; | |
705 | } | |
706 | ||
707 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
708 | { | |
709 | if (!row_height_) | |
710 | return -1; | |
711 | ||
712 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
713 | ||
714 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
715 | if (y < 0) | |
716 | return -1; | |
717 | ||
718 | const int row = y / row_height_; | |
719 | ||
720 | if (row >= (int)visible_rows_.size()) | |
721 | return -1; | |
722 | ||
723 | return row; | |
724 | } | |
725 | ||
726 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
727 | { | |
728 | using namespace pv::data::decode; | |
729 | ||
730 | if (!enabled()) | |
731 | return QString(); | |
732 | ||
733 | const pair<uint64_t, uint64_t> sample_range = | |
734 | get_sample_range(point.x(), point.x() + 1); | |
735 | const int row = get_row_at_point(point); | |
736 | if (row < 0) | |
737 | return QString(); | |
738 | ||
739 | vector<Annotation> annotations; | |
740 | ||
741 | decode_signal_->get_annotation_subset(annotations, visible_rows_[row], | |
742 | current_segment_, sample_range.first, sample_range.second); | |
743 | ||
744 | return (annotations.empty()) ? | |
745 | QString() : annotations[0].annotations().front(); | |
746 | } | |
747 | ||
748 | void DecodeTrace::hover_point_changed(const QPoint &hp) | |
749 | { | |
750 | Trace::hover_point_changed(hp); | |
751 | ||
752 | assert(owner_); | |
753 | ||
754 | const View *const view = owner_->view(); | |
755 | assert(view); | |
756 | ||
757 | if (hp.x() == 0) { | |
758 | QToolTip::hideText(); | |
759 | return; | |
760 | } | |
761 | ||
762 | QString ann = get_annotation_at_point(hp); | |
763 | ||
764 | assert(view); | |
765 | ||
766 | if (!row_height_ || ann.isEmpty()) { | |
767 | QToolTip::hideText(); | |
768 | return; | |
769 | } | |
770 | ||
771 | const int hover_row = get_row_at_point(hp); | |
772 | ||
773 | QFontMetrics m(QToolTip::font()); | |
774 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
775 | ||
776 | // This is OS-specific and unfortunately we can't query it, so | |
777 | // use an approximation to at least try to minimize the error. | |
778 | const int padding = 8; | |
779 | ||
780 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
781 | // If it did, the tool tip would constantly hide and re-appear. | |
782 | // We also push it up by one row so that it appears above the | |
783 | // decode trace, not below. | |
784 | QPoint p = hp; | |
785 | p.setX(hp.x() - (text_size.width() / 2) - padding); | |
786 | ||
787 | p.setY(get_visual_y() - (row_height_ / 2) + | |
788 | (hover_row * row_height_) - | |
789 | row_height_ - text_size.height() - padding); | |
790 | ||
791 | QToolTip::showText(view->viewport()->mapToGlobal(p), ann); | |
792 | } | |
793 | ||
794 | void DecodeTrace::create_decoder_form(int index, | |
795 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
796 | QFormLayout *form) | |
797 | { | |
798 | GlobalSettings settings; | |
799 | ||
800 | assert(dec); | |
801 | const srd_decoder *const decoder = dec->decoder(); | |
802 | assert(decoder); | |
803 | ||
804 | const bool decoder_deletable = index > 0; | |
805 | ||
806 | pv::widgets::DecoderGroupBox *const group = | |
807 | new pv::widgets::DecoderGroupBox( | |
808 | QString::fromUtf8(decoder->name), | |
809 | tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname), | |
810 | QString::fromUtf8(decoder->desc)), | |
811 | nullptr, decoder_deletable); | |
812 | group->set_decoder_visible(dec->shown()); | |
813 | ||
814 | if (decoder_deletable) { | |
815 | delete_mapper_.setMapping(group, index); | |
816 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
817 | } | |
818 | ||
819 | show_hide_mapper_.setMapping(group, index); | |
820 | connect(group, SIGNAL(show_hide_decoder()), | |
821 | &show_hide_mapper_, SLOT(map())); | |
822 | ||
823 | QFormLayout *const decoder_form = new QFormLayout; | |
824 | group->add_layout(decoder_form); | |
825 | ||
826 | const vector<DecodeChannel> channels = decode_signal_->get_channels(); | |
827 | ||
828 | // Add the channels | |
829 | for (DecodeChannel ch : channels) { | |
830 | // Ignore channels not part of the decoder we create the form for | |
831 | if (ch.decoder_ != dec) | |
832 | continue; | |
833 | ||
834 | QComboBox *const combo = create_channel_selector(parent, &ch); | |
835 | QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch); | |
836 | ||
837 | channel_id_map_[combo] = ch.id; | |
838 | init_state_map_[combo_init_state] = ch.id; | |
839 | ||
840 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
841 | this, SLOT(on_channel_selected(int))); | |
842 | connect(combo_init_state, SIGNAL(currentIndexChanged(int)), | |
843 | this, SLOT(on_init_state_changed(int))); | |
844 | ||
845 | QHBoxLayout *const hlayout = new QHBoxLayout; | |
846 | hlayout->addWidget(combo); | |
847 | hlayout->addWidget(combo_init_state); | |
848 | ||
849 | if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool()) | |
850 | combo_init_state->hide(); | |
851 | ||
852 | const QString required_flag = ch.is_optional ? QString() : QString("*"); | |
853 | decoder_form->addRow(tr("<b>%1</b> (%2) %3") | |
854 | .arg(ch.name, ch.desc, required_flag), hlayout); | |
855 | } | |
856 | ||
857 | // Add the options | |
858 | shared_ptr<binding::Decoder> binding( | |
859 | new binding::Decoder(decode_signal_, dec)); | |
860 | binding->add_properties_to_form(decoder_form, true); | |
861 | ||
862 | bindings_.push_back(binding); | |
863 | ||
864 | form->addRow(group); | |
865 | decoder_forms_.push_back(group); | |
866 | } | |
867 | ||
868 | QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch) | |
869 | { | |
870 | const auto sigs(session_.signalbases()); | |
871 | ||
872 | // Sort signals in natural order | |
873 | vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end()); | |
874 | sort(sig_list.begin(), sig_list.end(), | |
875 | [](const shared_ptr<data::SignalBase> &a, | |
876 | const shared_ptr<data::SignalBase> &b) { | |
877 | return strnatcasecmp(a->name().toStdString(), | |
878 | b->name().toStdString()) < 0; }); | |
879 | ||
880 | QComboBox *selector = new QComboBox(parent); | |
881 | ||
882 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
883 | ||
884 | if (!ch->assigned_signal) | |
885 | selector->setCurrentIndex(0); | |
886 | ||
887 | for (const shared_ptr<data::SignalBase> &b : sig_list) { | |
888 | assert(b); | |
889 | if (b->logic_data() && b->enabled()) { | |
890 | selector->addItem(b->name(), | |
891 | qVariantFromValue((void*)b.get())); | |
892 | ||
893 | if (ch->assigned_signal == b.get()) | |
894 | selector->setCurrentIndex(selector->count() - 1); | |
895 | } | |
896 | } | |
897 | ||
898 | return selector; | |
899 | } | |
900 | ||
901 | QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent, | |
902 | const DecodeChannel *ch) | |
903 | { | |
904 | QComboBox *selector = new QComboBox(parent); | |
905 | ||
906 | selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW)); | |
907 | selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH)); | |
908 | selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0)); | |
909 | ||
910 | selector->setCurrentIndex(ch->initial_pin_state); | |
911 | ||
912 | selector->setToolTip("Initial (assumed) pin value before the first sample"); | |
913 | ||
914 | return selector; | |
915 | } | |
916 | ||
917 | void DecodeTrace::on_new_annotations() | |
918 | { | |
919 | if (!delayed_trace_updater_.isActive()) | |
920 | delayed_trace_updater_.start(); | |
921 | } | |
922 | ||
923 | void DecodeTrace::on_delayed_trace_update() | |
924 | { | |
925 | if (owner_) | |
926 | owner_->row_item_appearance_changed(false, true); | |
927 | } | |
928 | ||
929 | void DecodeTrace::on_decode_reset() | |
930 | { | |
931 | visible_rows_.clear(); | |
932 | max_visible_rows_ = 0; | |
933 | ||
934 | if (owner_) | |
935 | owner_->row_item_appearance_changed(false, true); | |
936 | } | |
937 | ||
938 | void DecodeTrace::on_decode_finished() | |
939 | { | |
940 | if (owner_) | |
941 | owner_->row_item_appearance_changed(false, true); | |
942 | } | |
943 | ||
944 | void DecodeTrace::delete_pressed() | |
945 | { | |
946 | on_delete(); | |
947 | } | |
948 | ||
949 | void DecodeTrace::on_delete() | |
950 | { | |
951 | session_.remove_decode_signal(decode_signal_); | |
952 | } | |
953 | ||
954 | void DecodeTrace::on_channel_selected(int) | |
955 | { | |
956 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
957 | ||
958 | // Determine signal that was selected | |
959 | const data::SignalBase *signal = | |
960 | (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>(); | |
961 | ||
962 | // Determine decode channel ID this combo box is the channel selector for | |
963 | const uint16_t id = channel_id_map_.at(cb); | |
964 | ||
965 | decode_signal_->assign_signal(id, signal); | |
966 | } | |
967 | ||
968 | void DecodeTrace::on_channels_updated() | |
969 | { | |
970 | if (owner_) | |
971 | owner_->row_item_appearance_changed(false, true); | |
972 | } | |
973 | ||
974 | void DecodeTrace::on_init_state_changed(int) | |
975 | { | |
976 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
977 | ||
978 | // Determine inital pin state that was selected | |
979 | int init_state = cb->itemData(cb->currentIndex()).value<int>(); | |
980 | ||
981 | // Determine decode channel ID this combo box is the channel selector for | |
982 | const uint16_t id = init_state_map_.at(cb); | |
983 | ||
984 | decode_signal_->set_initial_pin_state(id, init_state); | |
985 | } | |
986 | ||
987 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
988 | { | |
989 | decode_signal_->stack_decoder(decoder); | |
990 | ||
991 | create_popup_form(); | |
992 | } | |
993 | ||
994 | void DecodeTrace::on_delete_decoder(int index) | |
995 | { | |
996 | decode_signal_->remove_decoder(index); | |
997 | ||
998 | // Force re-calculation of the trace height, see paint_mid() | |
999 | max_visible_rows_ = 0; | |
1000 | owner_->extents_changed(false, true); | |
1001 | ||
1002 | // Update the popup | |
1003 | create_popup_form(); | |
1004 | } | |
1005 | ||
1006 | void DecodeTrace::on_show_hide_decoder(int index) | |
1007 | { | |
1008 | const bool state = decode_signal_->toggle_decoder_visibility(index); | |
1009 | ||
1010 | assert(index < (int)decoder_forms_.size()); | |
1011 | decoder_forms_[index]->set_decoder_visible(state); | |
1012 | ||
1013 | if (!state) { | |
1014 | // Force re-calculation of the trace height, see paint_mid() | |
1015 | max_visible_rows_ = 0; | |
1016 | owner_->extents_changed(false, true); | |
1017 | } | |
1018 | ||
1019 | if (owner_) | |
1020 | owner_->row_item_appearance_changed(false, true); | |
1021 | } | |
1022 | ||
1023 | void DecodeTrace::on_export_row() | |
1024 | { | |
1025 | selected_samplepos_ = 0; | |
1026 | on_export_row_from_here(); | |
1027 | } | |
1028 | ||
1029 | void DecodeTrace::on_export_row_from_here() | |
1030 | { | |
1031 | using namespace pv::data::decode; | |
1032 | ||
1033 | if (!selected_row_) | |
1034 | return; | |
1035 | ||
1036 | vector<Annotation> annotations; | |
1037 | ||
1038 | decode_signal_->get_annotation_subset(annotations, *selected_row_, | |
1039 | current_segment_, selected_samplepos_, ULLONG_MAX); | |
1040 | ||
1041 | if (annotations.empty()) | |
1042 | return; | |
1043 | ||
1044 | QSettings settings; | |
1045 | const QString dir = settings.value(SettingSaveDirectory).toString(); | |
1046 | ||
1047 | const QString file_name = QFileDialog::getSaveFileName( | |
1048 | owner_->view(), tr("Export annotations"), dir, tr("Text Files (*.txt);;All Files (*)")); | |
1049 | ||
1050 | if (file_name.isEmpty()) | |
1051 | return; | |
1052 | ||
1053 | QFile file(file_name); | |
1054 | if (file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) { | |
1055 | QTextStream out_stream(&file); | |
1056 | ||
1057 | for (Annotation &ann : annotations) | |
1058 | out_stream << ann.annotations().front() << '\n'; | |
1059 | ||
1060 | if (out_stream.status() == QTextStream::Ok) | |
1061 | return; | |
1062 | } | |
1063 | ||
1064 | QMessageBox msg(owner_->view()); | |
1065 | msg.setText(tr("Error")); | |
1066 | msg.setInformativeText(tr("File %1 could not be written to.").arg(file_name)); | |
1067 | msg.setStandardButtons(QMessageBox::Ok); | |
1068 | msg.setIcon(QMessageBox::Warning); | |
1069 | msg.exec(); | |
1070 | } | |
1071 | ||
1072 | } // namespace trace | |
1073 | } // namespace views | |
1074 | } // namespace pv |