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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 <mutex> | |
25 | #include <tuple> | |
26 | ||
27 | #include <extdef.h> | |
28 | ||
29 | #include <boost/functional/hash.hpp> | |
30 | ||
31 | #include <QAction> | |
32 | #include <QApplication> | |
33 | #include <QComboBox> | |
34 | #include <QFormLayout> | |
35 | #include <QLabel> | |
36 | #include <QMenu> | |
37 | #include <QPushButton> | |
38 | #include <QToolTip> | |
39 | ||
40 | #include "decodetrace.hpp" | |
41 | #include "view.hpp" | |
42 | #include "viewport.hpp" | |
43 | ||
44 | #include <pv/globalsettings.hpp> | |
45 | #include <pv/session.hpp> | |
46 | #include <pv/strnatcmp.hpp> | |
47 | #include <pv/data/decodesignal.hpp> | |
48 | #include <pv/data/decode/annotation.hpp> | |
49 | #include <pv/data/decode/decoder.hpp> | |
50 | #include <pv/data/logic.hpp> | |
51 | #include <pv/data/logicsegment.hpp> | |
52 | #include <pv/widgets/decodergroupbox.hpp> | |
53 | #include <pv/widgets/decodermenu.hpp> | |
54 | ||
55 | using std::abs; | |
56 | using std::make_pair; | |
57 | using std::max; | |
58 | using std::min; | |
59 | using std::out_of_range; | |
60 | using std::pair; | |
61 | using std::shared_ptr; | |
62 | using std::tie; | |
63 | using std::vector; | |
64 | ||
65 | using pv::data::decode::Annotation; | |
66 | using pv::data::decode::Row; | |
67 | using pv::data::DecodeChannel; | |
68 | using pv::data::DecodeSignal; | |
69 | ||
70 | namespace pv { | |
71 | namespace views { | |
72 | namespace trace { | |
73 | ||
74 | ||
75 | #define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */ | |
76 | #define DECODETRACE_COLOR_VALUE (170) /* 0-255 */ | |
77 | ||
78 | const QColor DecodeTrace::ErrorBgColor = QColor(0xEF, 0x29, 0x29); | |
79 | const QColor DecodeTrace::NoDecodeColor = QColor(0x88, 0x8A, 0x85); | |
80 | ||
81 | const int DecodeTrace::ArrowSize = 4; | |
82 | const double DecodeTrace::EndCapWidth = 5; | |
83 | const int DecodeTrace::RowTitleMargin = 10; | |
84 | const int DecodeTrace::DrawPadding = 100; | |
85 | ||
86 | const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz | |
87 | ||
88 | DecodeTrace::DecodeTrace(pv::Session &session, | |
89 | shared_ptr<data::SignalBase> signalbase, int index) : | |
90 | Trace(signalbase), | |
91 | session_(session), | |
92 | row_height_(0), | |
93 | max_visible_rows_(0), | |
94 | delete_mapper_(this), | |
95 | show_hide_mapper_(this) | |
96 | { | |
97 | decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_); | |
98 | ||
99 | // Determine shortest string we want to see displayed in full | |
100 | QFontMetrics m(QApplication::font()); | |
101 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
102 | ||
103 | // For the base color, we want to start at a very different color for | |
104 | // every decoder stack, so multiply the index with a number that is | |
105 | // rather close to 180 degrees of the color circle but not a dividend of 360 | |
106 | // Note: The offset equals the color of the first annotation | |
107 | QColor color; | |
108 | const int h = (120 + 160 * index) % 360; | |
109 | const int s = DECODETRACE_COLOR_SATURATION; | |
110 | const int v = DECODETRACE_COLOR_VALUE; | |
111 | color.setHsv(h, s, v); | |
112 | base_->set_color(color); | |
113 | ||
114 | connect(decode_signal_.get(), SIGNAL(new_annotations()), | |
115 | this, SLOT(on_new_annotations())); | |
116 | connect(decode_signal_.get(), SIGNAL(decode_reset()), | |
117 | this, SLOT(on_decode_reset())); | |
118 | connect(decode_signal_.get(), SIGNAL(decode_finished()), | |
119 | this, SLOT(on_decode_finished())); | |
120 | connect(decode_signal_.get(), SIGNAL(channels_updated()), | |
121 | this, SLOT(on_channels_updated())); | |
122 | ||
123 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
124 | this, SLOT(on_delete_decoder(int))); | |
125 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
126 | this, SLOT(on_show_hide_decoder(int))); | |
127 | ||
128 | connect(&delayed_trace_updater_, SIGNAL(timeout()), | |
129 | this, SLOT(on_delayed_trace_update())); | |
130 | delayed_trace_updater_.setSingleShot(true); | |
131 | delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate); | |
132 | } | |
133 | ||
134 | bool DecodeTrace::enabled() const | |
135 | { | |
136 | return true; | |
137 | } | |
138 | ||
139 | shared_ptr<data::SignalBase> DecodeTrace::base() const | |
140 | { | |
141 | return base_; | |
142 | } | |
143 | ||
144 | pair<int, int> DecodeTrace::v_extents() const | |
145 | { | |
146 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
147 | ||
148 | // Make an empty decode trace appear symmetrical | |
149 | const int row_count = max(1, max_visible_rows_); | |
150 | ||
151 | return make_pair(-row_height, row_height * row_count); | |
152 | } | |
153 | ||
154 | void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
155 | { | |
156 | Trace::paint_back(p, pp); | |
157 | paint_axis(p, pp, get_visual_y()); | |
158 | } | |
159 | ||
160 | void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
161 | { | |
162 | const int text_height = ViewItemPaintParams::text_height(); | |
163 | row_height_ = (text_height * 6) / 4; | |
164 | const int annotation_height = (text_height * 5) / 4; | |
165 | ||
166 | // Set default pen to allow for text width calculation | |
167 | p.setPen(Qt::black); | |
168 | ||
169 | // Iterate through the rows | |
170 | int y = get_visual_y(); | |
171 | pair<uint64_t, uint64_t> sample_range = get_sample_range(pp.left(), pp.right()); | |
172 | ||
173 | // Just because the view says we see a certain sample range it | |
174 | // doesn't mean we have this many decoded samples, too, so crop | |
175 | // the range to what has been decoded already | |
176 | sample_range.second = min((int64_t)sample_range.second, | |
177 | decode_signal_->get_decoded_sample_count(current_segment_, false)); | |
178 | ||
179 | const vector<Row> rows = decode_signal_->visible_rows(); | |
180 | ||
181 | visible_rows_.clear(); | |
182 | for (const Row& row : rows) { | |
183 | // Cache the row title widths | |
184 | int row_title_width; | |
185 | try { | |
186 | row_title_width = row_title_widths_.at(row); | |
187 | } catch (out_of_range&) { | |
188 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
189 | RowTitleMargin; | |
190 | row_title_widths_[row] = w; | |
191 | row_title_width = w; | |
192 | } | |
193 | ||
194 | vector<Annotation> annotations; | |
195 | decode_signal_->get_annotation_subset(annotations, row, | |
196 | current_segment_, sample_range.first, sample_range.second); | |
197 | if (!annotations.empty()) { | |
198 | draw_annotations(annotations, p, annotation_height, pp, y, | |
199 | get_row_color(visible_rows_.size()), row_title_width); | |
200 | ||
201 | y += row_height_; | |
202 | visible_rows_.push_back(row); | |
203 | } | |
204 | } | |
205 | ||
206 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
207 | ||
208 | if ((int)visible_rows_.size() > max_visible_rows_) { | |
209 | max_visible_rows_ = (int)visible_rows_.size(); | |
210 | ||
211 | // Call order is important, otherwise the lazy event handler won't work | |
212 | owner_->extents_changed(false, true); | |
213 | owner_->row_item_appearance_changed(false, true); | |
214 | } | |
215 | ||
216 | const QString err = decode_signal_->error_message(); | |
217 | if (!err.isEmpty()) | |
218 | draw_error(p, err, pp); | |
219 | } | |
220 | ||
221 | void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
222 | { | |
223 | assert(row_height_); | |
224 | ||
225 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
226 | const int y = i * row_height_ + get_visual_y(); | |
227 | ||
228 | p.setPen(QPen(Qt::NoPen)); | |
229 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
230 | ||
231 | if (i != 0) { | |
232 | const QPointF points[] = { | |
233 | QPointF(pp.left(), y - ArrowSize), | |
234 | QPointF(pp.left() + ArrowSize, y), | |
235 | QPointF(pp.left(), y + ArrowSize) | |
236 | }; | |
237 | p.drawPolygon(points, countof(points)); | |
238 | } | |
239 | ||
240 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
241 | pp.right() - pp.left(), row_height_); | |
242 | const QString h(visible_rows_[i].title()); | |
243 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
244 | Qt::TextDontClip; | |
245 | ||
246 | // Draw the outline | |
247 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
248 | for (int dx = -1; dx <= 1; dx++) | |
249 | for (int dy = -1; dy <= 1; dy++) | |
250 | if (dx != 0 && dy != 0) | |
251 | p.drawText(r.translated(dx, dy), f, h); | |
252 | ||
253 | // Draw the text | |
254 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
255 | p.drawText(r, f, h); | |
256 | } | |
257 | ||
258 | if (show_hover_marker_) | |
259 | paint_hover_marker(p); | |
260 | } | |
261 | ||
262 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
263 | { | |
264 | using pv::data::decode::Decoder; | |
265 | ||
266 | assert(form); | |
267 | ||
268 | // Add the standard options | |
269 | Trace::populate_popup_form(parent, form); | |
270 | ||
271 | // Add the decoder options | |
272 | bindings_.clear(); | |
273 | channel_id_map_.clear(); | |
274 | init_state_map_.clear(); | |
275 | decoder_forms_.clear(); | |
276 | ||
277 | const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack(); | |
278 | ||
279 | if (stack.empty()) { | |
280 | QLabel *const l = new QLabel( | |
281 | tr("<p><i>No decoders in the stack</i></p>")); | |
282 | l->setAlignment(Qt::AlignCenter); | |
283 | form->addRow(l); | |
284 | } else { | |
285 | auto iter = stack.cbegin(); | |
286 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
287 | shared_ptr<Decoder> dec(*iter); | |
288 | create_decoder_form(i, dec, parent, form); | |
289 | } | |
290 | ||
291 | form->addRow(new QLabel( | |
292 | tr("<i>* Required channels</i>"), parent)); | |
293 | } | |
294 | ||
295 | // Add stacking button | |
296 | pv::widgets::DecoderMenu *const decoder_menu = | |
297 | new pv::widgets::DecoderMenu(parent); | |
298 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
299 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
300 | ||
301 | QPushButton *const stack_button = | |
302 | new QPushButton(tr("Stack Decoder"), parent); | |
303 | stack_button->setMenu(decoder_menu); | |
304 | stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one")); | |
305 | ||
306 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
307 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
308 | form->addRow(stack_button_box); | |
309 | } | |
310 | ||
311 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
312 | { | |
313 | QMenu *const menu = Trace::create_context_menu(parent); | |
314 | ||
315 | menu->addSeparator(); | |
316 | ||
317 | QAction *const del = new QAction(tr("Delete"), this); | |
318 | del->setShortcuts(QKeySequence::Delete); | |
319 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
320 | menu->addAction(del); | |
321 | ||
322 | return menu; | |
323 | } | |
324 | ||
325 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
326 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
327 | QColor row_color, int row_title_width) | |
328 | { | |
329 | using namespace pv::data::decode; | |
330 | ||
331 | Annotation::Class block_class = 0; | |
332 | bool block_class_uniform = true; | |
333 | qreal block_start = 0; | |
334 | int block_ann_count = 0; | |
335 | ||
336 | const Annotation *prev_ann; | |
337 | qreal prev_end = INT_MIN; | |
338 | ||
339 | qreal a_end; | |
340 | ||
341 | double samples_per_pixel, pixels_offset; | |
342 | tie(pixels_offset, samples_per_pixel) = | |
343 | get_pixels_offset_samples_per_pixel(); | |
344 | ||
345 | // Sort the annotations by start sample so that decoders | |
346 | // can't confuse us by creating annotations out of order | |
347 | stable_sort(annotations.begin(), annotations.end(), | |
348 | [](const Annotation &a, const Annotation &b) { | |
349 | return a.start_sample() < b.start_sample(); }); | |
350 | ||
351 | // Gather all annotations that form a visual "block" and draw them as such | |
352 | for (const Annotation &a : annotations) { | |
353 | ||
354 | const qreal abs_a_start = a.start_sample() / samples_per_pixel; | |
355 | const qreal abs_a_end = a.end_sample() / samples_per_pixel; | |
356 | ||
357 | const qreal a_start = abs_a_start - pixels_offset; | |
358 | a_end = abs_a_end - pixels_offset; | |
359 | ||
360 | const qreal a_width = a_end - a_start; | |
361 | const qreal delta = a_end - prev_end; | |
362 | ||
363 | bool a_is_separate = false; | |
364 | ||
365 | // Annotation wider than the threshold for a useful label width? | |
366 | if (a_width >= min_useful_label_width_) { | |
367 | for (const QString &ann_text : a.annotations()) { | |
368 | const qreal w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
369 | // Annotation wide enough to fit a label? Don't put it in a block then | |
370 | if (w <= a_width) { | |
371 | a_is_separate = true; | |
372 | break; | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | // Were the previous and this annotation more than a pixel apart? | |
378 | if ((abs(delta) > 1) || a_is_separate) { | |
379 | // Block was broken, draw annotations that form the current block | |
380 | if (block_ann_count == 1) | |
381 | draw_annotation(*prev_ann, p, h, pp, y, row_color, | |
382 | row_title_width); | |
383 | else if (block_ann_count > 0) | |
384 | draw_annotation_block(block_start, prev_end, block_class, | |
385 | block_class_uniform, p, h, y, row_color); | |
386 | ||
387 | block_ann_count = 0; | |
388 | } | |
389 | ||
390 | if (a_is_separate) { | |
391 | draw_annotation(a, p, h, pp, y, row_color, row_title_width); | |
392 | // Next annotation must start a new block. delta will be > 1 | |
393 | // because we set prev_end to INT_MIN but that's okay since | |
394 | // block_ann_count will be 0 and nothing will be drawn | |
395 | prev_end = INT_MIN; | |
396 | block_ann_count = 0; | |
397 | } else { | |
398 | prev_end = a_end; | |
399 | prev_ann = &a; | |
400 | ||
401 | if (block_ann_count == 0) { | |
402 | block_start = a_start; | |
403 | block_class = a.ann_class(); | |
404 | block_class_uniform = true; | |
405 | } else | |
406 | if (a.ann_class() != block_class) | |
407 | block_class_uniform = false; | |
408 | ||
409 | block_ann_count++; | |
410 | } | |
411 | } | |
412 | ||
413 | if (block_ann_count == 1) | |
414 | draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width); | |
415 | else if (block_ann_count > 0) | |
416 | draw_annotation_block(block_start, prev_end, block_class, | |
417 | block_class_uniform, p, h, y, row_color); | |
418 | } | |
419 | ||
420 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
421 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
422 | QColor row_color, int row_title_width) const | |
423 | { | |
424 | double samples_per_pixel, pixels_offset; | |
425 | tie(pixels_offset, samples_per_pixel) = | |
426 | get_pixels_offset_samples_per_pixel(); | |
427 | ||
428 | const double start = a.start_sample() / samples_per_pixel - | |
429 | pixels_offset; | |
430 | const double end = a.end_sample() / samples_per_pixel - pixels_offset; | |
431 | ||
432 | QColor color = get_annotation_color(row_color, a.ann_class()); | |
433 | p.setPen(color.darker()); | |
434 | p.setBrush(color); | |
435 | ||
436 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
437 | return; | |
438 | ||
439 | if (a.start_sample() == a.end_sample()) | |
440 | draw_instant(a, p, h, start, y); | |
441 | else | |
442 | draw_range(a, p, h, start, end, y, pp, row_title_width); | |
443 | } | |
444 | ||
445 | void DecodeTrace::draw_annotation_block(qreal start, qreal end, | |
446 | Annotation::Class ann_class, bool use_ann_format, QPainter &p, int h, | |
447 | int y, QColor row_color) const | |
448 | { | |
449 | const double top = y + .5 - h / 2; | |
450 | const double bottom = y + .5 + h / 2; | |
451 | ||
452 | const QRectF rect(start, top, end - start, bottom - top); | |
453 | const int r = h / 4; | |
454 | ||
455 | p.setPen(QPen(Qt::NoPen)); | |
456 | p.setBrush(Qt::white); | |
457 | p.drawRoundedRect(rect, r, r); | |
458 | ||
459 | // If all annotations in this block are of the same type, we can use the | |
460 | // one format that all of these annotations have. Otherwise, we should use | |
461 | // a neutral color (i.e. gray) | |
462 | if (use_ann_format) { | |
463 | const QColor color = get_annotation_color(row_color, ann_class); | |
464 | p.setPen(color.darker()); | |
465 | p.setBrush(QBrush(color, Qt::Dense4Pattern)); | |
466 | } else { | |
467 | p.setPen(Qt::gray); | |
468 | p.setBrush(QBrush(Qt::gray, Qt::Dense4Pattern)); | |
469 | } | |
470 | ||
471 | p.drawRoundedRect(rect, r, r); | |
472 | } | |
473 | ||
474 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
475 | int h, qreal x, int y) const | |
476 | { | |
477 | const QString text = a.annotations().empty() ? | |
478 | QString() : a.annotations().back(); | |
479 | const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(), | |
480 | 0.0) + h; | |
481 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
482 | ||
483 | p.drawRoundedRect(rect, h / 2, h / 2); | |
484 | ||
485 | p.setPen(Qt::black); | |
486 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
487 | } | |
488 | ||
489 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
490 | int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp, | |
491 | int row_title_width) const | |
492 | { | |
493 | const qreal top = y + .5 - h / 2; | |
494 | const qreal bottom = y + .5 + h / 2; | |
495 | const vector<QString> annotations = a.annotations(); | |
496 | ||
497 | // If the two ends are within 1 pixel, draw a vertical line | |
498 | if (start + 1.0 > end) { | |
499 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
500 | return; | |
501 | } | |
502 | ||
503 | const qreal cap_width = min((end - start) / 4, EndCapWidth); | |
504 | ||
505 | QPointF pts[] = { | |
506 | QPointF(start, y + .5f), | |
507 | QPointF(start + cap_width, top), | |
508 | QPointF(end - cap_width, top), | |
509 | QPointF(end, y + .5f), | |
510 | QPointF(end - cap_width, bottom), | |
511 | QPointF(start + cap_width, bottom) | |
512 | }; | |
513 | ||
514 | p.drawConvexPolygon(pts, countof(pts)); | |
515 | ||
516 | if (annotations.empty()) | |
517 | return; | |
518 | ||
519 | const int ann_start = start + cap_width; | |
520 | const int ann_end = end - cap_width; | |
521 | ||
522 | const int real_start = max(ann_start, pp.left() + row_title_width); | |
523 | const int real_end = min(ann_end, pp.right()); | |
524 | const int real_width = real_end - real_start; | |
525 | ||
526 | QRectF rect(real_start, y - h / 2, real_width, h); | |
527 | if (rect.width() <= 4) | |
528 | return; | |
529 | ||
530 | p.setPen(Qt::black); | |
531 | ||
532 | // Try to find an annotation that will fit | |
533 | QString best_annotation; | |
534 | int best_width = 0; | |
535 | ||
536 | for (const QString &a : annotations) { | |
537 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
538 | if (w <= rect.width() && w > best_width) | |
539 | best_annotation = a, best_width = w; | |
540 | } | |
541 | ||
542 | if (best_annotation.isEmpty()) | |
543 | best_annotation = annotations.back(); | |
544 | ||
545 | // If not ellide the last in the list | |
546 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
547 | best_annotation, Qt::ElideRight, rect.width())); | |
548 | } | |
549 | ||
550 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
551 | const ViewItemPaintParams &pp) | |
552 | { | |
553 | const int y = get_visual_y(); | |
554 | ||
555 | double samples_per_pixel, pixels_offset; | |
556 | tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel(); | |
557 | ||
558 | p.setPen(ErrorBgColor.darker()); | |
559 | p.setBrush(ErrorBgColor); | |
560 | ||
561 | const QRectF bounding_rect = QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX); | |
562 | ||
563 | const QRectF text_rect = p.boundingRect(bounding_rect, Qt::AlignCenter, message); | |
564 | const qreal r = text_rect.height() / 4; | |
565 | ||
566 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, Qt::AbsoluteSize); | |
567 | ||
568 | p.setPen(Qt::black); | |
569 | p.drawText(text_rect, message); | |
570 | } | |
571 | ||
572 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const | |
573 | { | |
574 | using namespace pv::data; | |
575 | using pv::data::decode::Decoder; | |
576 | ||
577 | double samples_per_pixel, pixels_offset; | |
578 | ||
579 | const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_); | |
580 | if (sample_count == 0) | |
581 | return; | |
582 | ||
583 | const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(current_segment_, true); | |
584 | if (sample_count == samples_decoded) | |
585 | return; | |
586 | ||
587 | const int y = get_visual_y(); | |
588 | ||
589 | tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel(); | |
590 | ||
591 | const double start = max(samples_decoded / | |
592 | samples_per_pixel - pixels_offset, left - 1.0); | |
593 | const double end = min(sample_count / samples_per_pixel - | |
594 | pixels_offset, right + 1.0); | |
595 | const QRectF no_decode_rect(start, y - (h / 2) - 0.5, end - start, h); | |
596 | ||
597 | p.setPen(QPen(Qt::NoPen)); | |
598 | p.setBrush(Qt::white); | |
599 | p.drawRect(no_decode_rect); | |
600 | ||
601 | p.setPen(NoDecodeColor); | |
602 | p.setBrush(QBrush(NoDecodeColor, Qt::Dense6Pattern)); | |
603 | p.drawRect(no_decode_rect); | |
604 | } | |
605 | ||
606 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
607 | { | |
608 | assert(owner_); | |
609 | ||
610 | const View *view = owner_->view(); | |
611 | assert(view); | |
612 | ||
613 | const double scale = view->scale(); | |
614 | assert(scale > 0); | |
615 | ||
616 | const double pixels_offset = | |
617 | ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>(); | |
618 | ||
619 | double samplerate = decode_signal_->samplerate(); | |
620 | ||
621 | // Show sample rate as 1Hz when it is unknown | |
622 | if (samplerate == 0.0) | |
623 | samplerate = 1.0; | |
624 | ||
625 | return make_pair(pixels_offset, samplerate * scale); | |
626 | } | |
627 | ||
628 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
629 | int x_start, int x_end) const | |
630 | { | |
631 | double samples_per_pixel, pixels_offset; | |
632 | tie(pixels_offset, samples_per_pixel) = | |
633 | get_pixels_offset_samples_per_pixel(); | |
634 | ||
635 | const uint64_t start = (uint64_t)max( | |
636 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
637 | const uint64_t end = (uint64_t)max( | |
638 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
639 | ||
640 | return make_pair(start, end); | |
641 | } | |
642 | ||
643 | QColor DecodeTrace::get_row_color(int row_index) const | |
644 | { | |
645 | // For each row color, use the base color hue and add an offset that's | |
646 | // not a dividend of 360 | |
647 | ||
648 | QColor color; | |
649 | const int h = (base_->color().toHsv().hue() + 20 * row_index) % 360; | |
650 | const int s = DECODETRACE_COLOR_SATURATION; | |
651 | const int v = DECODETRACE_COLOR_VALUE; | |
652 | color.setHsl(h, s, v); | |
653 | ||
654 | return color; | |
655 | } | |
656 | ||
657 | QColor DecodeTrace::get_annotation_color(QColor row_color, int annotation_index) const | |
658 | { | |
659 | // For each row color, use the base color hue and add an offset that's | |
660 | // not a dividend of 360 and not a multiple of the row offset | |
661 | ||
662 | QColor color(row_color); | |
663 | const int h = (color.toHsv().hue() + 55 * annotation_index) % 360; | |
664 | const int s = DECODETRACE_COLOR_SATURATION; | |
665 | const int v = DECODETRACE_COLOR_VALUE; | |
666 | color.setHsl(h, s, v); | |
667 | ||
668 | return color; | |
669 | } | |
670 | ||
671 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
672 | { | |
673 | if (!row_height_) | |
674 | return -1; | |
675 | ||
676 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
677 | ||
678 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
679 | if (y < 0) | |
680 | return -1; | |
681 | ||
682 | const int row = y / row_height_; | |
683 | ||
684 | if (row >= (int)visible_rows_.size()) | |
685 | return -1; | |
686 | ||
687 | return row; | |
688 | } | |
689 | ||
690 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
691 | { | |
692 | using namespace pv::data::decode; | |
693 | ||
694 | if (!enabled()) | |
695 | return QString(); | |
696 | ||
697 | const pair<uint64_t, uint64_t> sample_range = | |
698 | get_sample_range(point.x(), point.x() + 1); | |
699 | const int row = get_row_at_point(point); | |
700 | if (row < 0) | |
701 | return QString(); | |
702 | ||
703 | vector<pv::data::decode::Annotation> annotations; | |
704 | ||
705 | decode_signal_->get_annotation_subset(annotations, visible_rows_[row], | |
706 | current_segment_, sample_range.first, sample_range.second); | |
707 | ||
708 | return (annotations.empty()) ? | |
709 | QString() : annotations[0].annotations().front(); | |
710 | } | |
711 | ||
712 | void DecodeTrace::hover_point_changed(const QPoint &hp) | |
713 | { | |
714 | Trace::hover_point_changed(hp); | |
715 | ||
716 | assert(owner_); | |
717 | ||
718 | const View *const view = owner_->view(); | |
719 | assert(view); | |
720 | ||
721 | if (hp.x() == 0) { | |
722 | QToolTip::hideText(); | |
723 | return; | |
724 | } | |
725 | ||
726 | QString ann = get_annotation_at_point(hp); | |
727 | ||
728 | assert(view); | |
729 | ||
730 | if (!row_height_ || ann.isEmpty()) { | |
731 | QToolTip::hideText(); | |
732 | return; | |
733 | } | |
734 | ||
735 | const int hover_row = get_row_at_point(hp); | |
736 | ||
737 | QFontMetrics m(QToolTip::font()); | |
738 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
739 | ||
740 | // This is OS-specific and unfortunately we can't query it, so | |
741 | // use an approximation to at least try to minimize the error. | |
742 | const int padding = 8; | |
743 | ||
744 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
745 | // If it did, the tool tip would constantly hide and re-appear. | |
746 | // We also push it up by one row so that it appears above the | |
747 | // decode trace, not below. | |
748 | QPoint p = hp; | |
749 | p.setX(hp.x() - (text_size.width() / 2) - padding); | |
750 | ||
751 | p.setY(get_visual_y() - (row_height_ / 2) + | |
752 | (hover_row * row_height_) - | |
753 | row_height_ - text_size.height() - padding); | |
754 | ||
755 | QToolTip::showText(view->viewport()->mapToGlobal(p), ann); | |
756 | } | |
757 | ||
758 | void DecodeTrace::create_decoder_form(int index, | |
759 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
760 | QFormLayout *form) | |
761 | { | |
762 | GlobalSettings settings; | |
763 | ||
764 | assert(dec); | |
765 | const srd_decoder *const decoder = dec->decoder(); | |
766 | assert(decoder); | |
767 | ||
768 | const bool decoder_deletable = index > 0; | |
769 | ||
770 | pv::widgets::DecoderGroupBox *const group = | |
771 | new pv::widgets::DecoderGroupBox( | |
772 | QString::fromUtf8(decoder->name), | |
773 | tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname), | |
774 | QString::fromUtf8(decoder->desc)), | |
775 | nullptr, decoder_deletable); | |
776 | group->set_decoder_visible(dec->shown()); | |
777 | ||
778 | if (decoder_deletable) { | |
779 | delete_mapper_.setMapping(group, index); | |
780 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
781 | } | |
782 | ||
783 | show_hide_mapper_.setMapping(group, index); | |
784 | connect(group, SIGNAL(show_hide_decoder()), | |
785 | &show_hide_mapper_, SLOT(map())); | |
786 | ||
787 | QFormLayout *const decoder_form = new QFormLayout; | |
788 | group->add_layout(decoder_form); | |
789 | ||
790 | const vector<DecodeChannel> channels = decode_signal_->get_channels(); | |
791 | ||
792 | // Add the channels | |
793 | for (DecodeChannel ch : channels) { | |
794 | // Ignore channels not part of the decoder we create the form for | |
795 | if (ch.decoder_ != dec) | |
796 | continue; | |
797 | ||
798 | QComboBox *const combo = create_channel_selector(parent, &ch); | |
799 | QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch); | |
800 | ||
801 | channel_id_map_[combo] = ch.id; | |
802 | init_state_map_[combo_init_state] = ch.id; | |
803 | ||
804 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
805 | this, SLOT(on_channel_selected(int))); | |
806 | connect(combo_init_state, SIGNAL(currentIndexChanged(int)), | |
807 | this, SLOT(on_init_state_changed(int))); | |
808 | ||
809 | QHBoxLayout *const hlayout = new QHBoxLayout; | |
810 | hlayout->addWidget(combo); | |
811 | hlayout->addWidget(combo_init_state); | |
812 | ||
813 | if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool()) | |
814 | combo_init_state->hide(); | |
815 | ||
816 | const QString required_flag = ch.is_optional ? QString() : QString("*"); | |
817 | decoder_form->addRow(tr("<b>%1</b> (%2) %3") | |
818 | .arg(ch.name, ch.desc, required_flag), hlayout); | |
819 | } | |
820 | ||
821 | // Add the options | |
822 | shared_ptr<binding::Decoder> binding( | |
823 | new binding::Decoder(decode_signal_, dec)); | |
824 | binding->add_properties_to_form(decoder_form, true); | |
825 | ||
826 | bindings_.push_back(binding); | |
827 | ||
828 | form->addRow(group); | |
829 | decoder_forms_.push_back(group); | |
830 | } | |
831 | ||
832 | QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch) | |
833 | { | |
834 | const auto sigs(session_.signalbases()); | |
835 | ||
836 | // Sort signals in natural order | |
837 | vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end()); | |
838 | sort(sig_list.begin(), sig_list.end(), | |
839 | [](const shared_ptr<data::SignalBase> &a, | |
840 | const shared_ptr<data::SignalBase> &b) { | |
841 | return strnatcasecmp(a->name().toStdString(), | |
842 | b->name().toStdString()) < 0; }); | |
843 | ||
844 | QComboBox *selector = new QComboBox(parent); | |
845 | ||
846 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
847 | ||
848 | if (!ch->assigned_signal) | |
849 | selector->setCurrentIndex(0); | |
850 | ||
851 | for (const shared_ptr<data::SignalBase> &b : sig_list) { | |
852 | assert(b); | |
853 | if (b->logic_data() && b->enabled()) { | |
854 | selector->addItem(b->name(), | |
855 | qVariantFromValue((void*)b.get())); | |
856 | ||
857 | if (ch->assigned_signal == b.get()) | |
858 | selector->setCurrentIndex(selector->count() - 1); | |
859 | } | |
860 | } | |
861 | ||
862 | return selector; | |
863 | } | |
864 | ||
865 | QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent, | |
866 | const DecodeChannel *ch) | |
867 | { | |
868 | QComboBox *selector = new QComboBox(parent); | |
869 | ||
870 | selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW)); | |
871 | selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH)); | |
872 | selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0)); | |
873 | ||
874 | selector->setCurrentIndex(ch->initial_pin_state); | |
875 | ||
876 | selector->setToolTip("Initial (assumed) pin value before the first sample"); | |
877 | ||
878 | return selector; | |
879 | } | |
880 | ||
881 | void DecodeTrace::on_new_annotations() | |
882 | { | |
883 | if (!delayed_trace_updater_.isActive()) | |
884 | delayed_trace_updater_.start(); | |
885 | } | |
886 | ||
887 | void DecodeTrace::on_delayed_trace_update() | |
888 | { | |
889 | if (owner_) | |
890 | owner_->row_item_appearance_changed(false, true); | |
891 | } | |
892 | ||
893 | void DecodeTrace::on_decode_reset() | |
894 | { | |
895 | visible_rows_.clear(); | |
896 | max_visible_rows_ = 0; | |
897 | ||
898 | if (owner_) | |
899 | owner_->row_item_appearance_changed(false, true); | |
900 | } | |
901 | ||
902 | void DecodeTrace::on_decode_finished() | |
903 | { | |
904 | if (owner_) | |
905 | owner_->row_item_appearance_changed(false, true); | |
906 | } | |
907 | ||
908 | void DecodeTrace::delete_pressed() | |
909 | { | |
910 | on_delete(); | |
911 | } | |
912 | ||
913 | void DecodeTrace::on_delete() | |
914 | { | |
915 | session_.remove_decode_signal(decode_signal_); | |
916 | } | |
917 | ||
918 | void DecodeTrace::on_channel_selected(int) | |
919 | { | |
920 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
921 | ||
922 | // Determine signal that was selected | |
923 | const data::SignalBase *signal = | |
924 | (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>(); | |
925 | ||
926 | // Determine decode channel ID this combo box is the channel selector for | |
927 | const uint16_t id = channel_id_map_.at(cb); | |
928 | ||
929 | decode_signal_->assign_signal(id, signal); | |
930 | } | |
931 | ||
932 | void DecodeTrace::on_channels_updated() | |
933 | { | |
934 | if (owner_) | |
935 | owner_->row_item_appearance_changed(false, true); | |
936 | } | |
937 | ||
938 | void DecodeTrace::on_init_state_changed(int) | |
939 | { | |
940 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
941 | ||
942 | // Determine inital pin state that was selected | |
943 | int init_state = cb->itemData(cb->currentIndex()).value<int>(); | |
944 | ||
945 | // Determine decode channel ID this combo box is the channel selector for | |
946 | const uint16_t id = init_state_map_.at(cb); | |
947 | ||
948 | decode_signal_->set_initial_pin_state(id, init_state); | |
949 | } | |
950 | ||
951 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
952 | { | |
953 | decode_signal_->stack_decoder(decoder); | |
954 | ||
955 | create_popup_form(); | |
956 | } | |
957 | ||
958 | void DecodeTrace::on_delete_decoder(int index) | |
959 | { | |
960 | decode_signal_->remove_decoder(index); | |
961 | ||
962 | // Force re-calculation of the trace height, see paint_mid() | |
963 | max_visible_rows_ = 0; | |
964 | owner_->extents_changed(false, true); | |
965 | ||
966 | // Update the popup | |
967 | create_popup_form(); | |
968 | } | |
969 | ||
970 | void DecodeTrace::on_show_hide_decoder(int index) | |
971 | { | |
972 | const bool state = decode_signal_->toggle_decoder_visibility(index); | |
973 | ||
974 | assert(index < (int)decoder_forms_.size()); | |
975 | decoder_forms_[index]->set_decoder_visible(state); | |
976 | ||
977 | if (!state) { | |
978 | // Force re-calculation of the trace height, see paint_mid() | |
979 | max_visible_rows_ = 0; | |
980 | owner_->extents_changed(false, true); | |
981 | } | |
982 | ||
983 | if (owner_) | |
984 | owner_->row_item_appearance_changed(false, true); | |
985 | } | |
986 | ||
987 | } // namespace trace | |
988 | } // namespace views | |
989 | } // namespace pv |