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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | extern "C" { | |
22 | #include <libsigrokdecode/libsigrokdecode.h> | |
23 | } | |
24 | ||
25 | #include <mutex> | |
26 | ||
27 | #include <extdef.h> | |
28 | ||
29 | #include <tuple> | |
30 | ||
31 | #include <boost/functional/hash.hpp> | |
32 | #include <boost/thread/locks.hpp> | |
33 | #include <boost/thread/shared_mutex.hpp> | |
34 | ||
35 | #include <QAction> | |
36 | #include <QApplication> | |
37 | #include <QComboBox> | |
38 | #include <QFormLayout> | |
39 | #include <QLabel> | |
40 | #include <QMenu> | |
41 | #include <QPushButton> | |
42 | #include <QToolTip> | |
43 | ||
44 | #include "decodetrace.hpp" | |
45 | ||
46 | #include <pv/session.hpp> | |
47 | #include <pv/strnatcmp.hpp> | |
48 | #include <pv/data/decoderstack.hpp> | |
49 | #include <pv/data/decode/decoder.hpp> | |
50 | #include <pv/data/logic.hpp> | |
51 | #include <pv/data/logicsegment.hpp> | |
52 | #include <pv/data/decode/annotation.hpp> | |
53 | #include <pv/view/logicsignal.hpp> | |
54 | #include <pv/view/view.hpp> | |
55 | #include <pv/view/viewport.hpp> | |
56 | #include <pv/widgets/decodergroupbox.hpp> | |
57 | #include <pv/widgets/decodermenu.hpp> | |
58 | ||
59 | using boost::shared_lock; | |
60 | using boost::shared_mutex; | |
61 | using std::dynamic_pointer_cast; | |
62 | using std::list; | |
63 | using std::lock_guard; | |
64 | using std::make_pair; | |
65 | using std::max; | |
66 | using std::make_pair; | |
67 | using std::map; | |
68 | using std::min; | |
69 | using std::pair; | |
70 | using std::shared_ptr; | |
71 | using std::tie; | |
72 | using std::unordered_set; | |
73 | using std::vector; | |
74 | ||
75 | namespace pv { | |
76 | namespace view { | |
77 | ||
78 | const QColor DecodeTrace::DecodeColours[4] = { | |
79 | QColor(0xEF, 0x29, 0x29), // Red | |
80 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
81 | QColor(0x8A, 0xE2, 0x34), // Green | |
82 | QColor(0x72, 0x9F, 0xCF) // Blue | |
83 | }; | |
84 | ||
85 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
86 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
87 | ||
88 | const int DecodeTrace::ArrowSize = 4; | |
89 | const double DecodeTrace::EndCapWidth = 5; | |
90 | const int DecodeTrace::RowTitleMargin = 10; | |
91 | const int DecodeTrace::DrawPadding = 100; | |
92 | ||
93 | const QColor DecodeTrace::Colours[16] = { | |
94 | QColor(0xEF, 0x29, 0x29), | |
95 | QColor(0xF6, 0x6A, 0x32), | |
96 | QColor(0xFC, 0xAE, 0x3E), | |
97 | QColor(0xFB, 0xCA, 0x47), | |
98 | QColor(0xFC, 0xE9, 0x4F), | |
99 | QColor(0xCD, 0xF0, 0x40), | |
100 | QColor(0x8A, 0xE2, 0x34), | |
101 | QColor(0x4E, 0xDC, 0x44), | |
102 | QColor(0x55, 0xD7, 0x95), | |
103 | QColor(0x64, 0xD1, 0xD2), | |
104 | QColor(0x72, 0x9F, 0xCF), | |
105 | QColor(0xD4, 0x76, 0xC4), | |
106 | QColor(0x9D, 0x79, 0xB9), | |
107 | QColor(0xAD, 0x7F, 0xA8), | |
108 | QColor(0xC2, 0x62, 0x9B), | |
109 | QColor(0xD7, 0x47, 0x6F) | |
110 | }; | |
111 | ||
112 | const QColor DecodeTrace::OutlineColours[16] = { | |
113 | QColor(0x77, 0x14, 0x14), | |
114 | QColor(0x7B, 0x35, 0x19), | |
115 | QColor(0x7E, 0x57, 0x1F), | |
116 | QColor(0x7D, 0x65, 0x23), | |
117 | QColor(0x7E, 0x74, 0x27), | |
118 | QColor(0x66, 0x78, 0x20), | |
119 | QColor(0x45, 0x71, 0x1A), | |
120 | QColor(0x27, 0x6E, 0x22), | |
121 | QColor(0x2A, 0x6B, 0x4A), | |
122 | QColor(0x32, 0x68, 0x69), | |
123 | QColor(0x39, 0x4F, 0x67), | |
124 | QColor(0x6A, 0x3B, 0x62), | |
125 | QColor(0x4E, 0x3C, 0x5C), | |
126 | QColor(0x56, 0x3F, 0x54), | |
127 | QColor(0x61, 0x31, 0x4D), | |
128 | QColor(0x6B, 0x23, 0x37) | |
129 | }; | |
130 | ||
131 | DecodeTrace::DecodeTrace(pv::Session &session, | |
132 | std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) : | |
133 | Trace(QString::fromUtf8( | |
134 | decoder_stack->stack().front()->decoder()->name)), | |
135 | session_(session), | |
136 | decoder_stack_(decoder_stack), | |
137 | row_height_(0), | |
138 | max_visible_rows_(0), | |
139 | delete_mapper_(this), | |
140 | show_hide_mapper_(this) | |
141 | { | |
142 | assert(decoder_stack_); | |
143 | ||
144 | // Determine shortest string we want to see displayed in full | |
145 | QFontMetrics m(QApplication::font()); | |
146 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
147 | ||
148 | set_colour(DecodeColours[index % countof(DecodeColours)]); | |
149 | ||
150 | connect(decoder_stack_.get(), SIGNAL(new_decode_data()), | |
151 | this, SLOT(on_new_decode_data())); | |
152 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
153 | this, SLOT(on_delete_decoder(int))); | |
154 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
155 | this, SLOT(on_show_hide_decoder(int))); | |
156 | } | |
157 | ||
158 | bool DecodeTrace::enabled() const | |
159 | { | |
160 | return true; | |
161 | } | |
162 | ||
163 | const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const | |
164 | { | |
165 | return decoder_stack_; | |
166 | } | |
167 | ||
168 | pair<int, int> DecodeTrace::v_extents() const | |
169 | { | |
170 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
171 | ||
172 | // Make an empty decode trace appear symmetrical | |
173 | const int row_count = max(1, max_visible_rows_); | |
174 | ||
175 | return make_pair(-row_height, row_height * row_count); | |
176 | } | |
177 | ||
178 | void DecodeTrace::paint_back(QPainter &p, const ViewItemPaintParams &pp) | |
179 | { | |
180 | Trace::paint_back(p, pp); | |
181 | paint_axis(p, pp, get_visual_y()); | |
182 | } | |
183 | ||
184 | void DecodeTrace::paint_mid(QPainter &p, const ViewItemPaintParams &pp) | |
185 | { | |
186 | using namespace pv::data::decode; | |
187 | ||
188 | const int text_height = ViewItemPaintParams::text_height(); | |
189 | row_height_ = (text_height * 6) / 4; | |
190 | const int annotation_height = (text_height * 5) / 4; | |
191 | ||
192 | assert(decoder_stack_); | |
193 | const QString err = decoder_stack_->error_message(); | |
194 | if (!err.isEmpty()) { | |
195 | draw_unresolved_period( | |
196 | p, annotation_height, pp.left(), pp.right()); | |
197 | draw_error(p, err, pp); | |
198 | return; | |
199 | } | |
200 | ||
201 | // Iterate through the rows | |
202 | int y = get_visual_y(); | |
203 | pair<uint64_t, uint64_t> sample_range = get_sample_range( | |
204 | pp.left(), pp.right()); | |
205 | ||
206 | assert(decoder_stack_); | |
207 | const vector<Row> rows(decoder_stack_->get_visible_rows()); | |
208 | ||
209 | visible_rows_.clear(); | |
210 | for (const Row& row : rows) { | |
211 | // Cache the row title widths | |
212 | int row_title_width; | |
213 | try { | |
214 | row_title_width = row_title_widths_.at(row); | |
215 | } catch (std::out_of_range) { | |
216 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
217 | RowTitleMargin; | |
218 | row_title_widths_[row] = w; | |
219 | row_title_width = w; | |
220 | } | |
221 | ||
222 | // Determine the row's color | |
223 | size_t base_colour = 0x13579BDF; | |
224 | boost::hash_combine(base_colour, this); | |
225 | boost::hash_combine(base_colour, row.decoder()); | |
226 | boost::hash_combine(base_colour, row.row()); | |
227 | base_colour >>= 16; | |
228 | ||
229 | vector<Annotation> annotations; | |
230 | decoder_stack_->get_annotation_subset(annotations, row, | |
231 | sample_range.first, sample_range.second); | |
232 | if (!annotations.empty()) { | |
233 | draw_annotations(annotations, p, annotation_height, pp, y, | |
234 | base_colour, row_title_width); | |
235 | ||
236 | y += row_height_; | |
237 | ||
238 | visible_rows_.push_back(row); | |
239 | } | |
240 | } | |
241 | ||
242 | // Draw the hatching | |
243 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
244 | ||
245 | // Update the maximum row count if needed | |
246 | max_visible_rows_ = std::max(max_visible_rows_, (int)visible_rows_.size()); | |
247 | } | |
248 | ||
249 | void DecodeTrace::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
250 | { | |
251 | using namespace pv::data::decode; | |
252 | ||
253 | assert(row_height_); | |
254 | ||
255 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
256 | const int y = i * row_height_ + get_visual_y(); | |
257 | ||
258 | p.setPen(QPen(Qt::NoPen)); | |
259 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
260 | ||
261 | if (i != 0) { | |
262 | const QPointF points[] = { | |
263 | QPointF(pp.left(), y - ArrowSize), | |
264 | QPointF(pp.left() + ArrowSize, y), | |
265 | QPointF(pp.left(), y + ArrowSize) | |
266 | }; | |
267 | p.drawPolygon(points, countof(points)); | |
268 | } | |
269 | ||
270 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
271 | pp.right() - pp.left(), row_height_); | |
272 | const QString h(visible_rows_[i].title()); | |
273 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
274 | Qt::TextDontClip; | |
275 | ||
276 | // Draw the outline | |
277 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
278 | for (int dx = -1; dx <= 1; dx++) | |
279 | for (int dy = -1; dy <= 1; dy++) | |
280 | if (dx != 0 && dy != 0) | |
281 | p.drawText(r.translated(dx, dy), f, h); | |
282 | ||
283 | // Draw the text | |
284 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
285 | p.drawText(r, f, h); | |
286 | } | |
287 | } | |
288 | ||
289 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
290 | { | |
291 | using pv::data::decode::Decoder; | |
292 | ||
293 | assert(form); | |
294 | assert(parent); | |
295 | assert(decoder_stack_); | |
296 | ||
297 | // Add the standard options | |
298 | Trace::populate_popup_form(parent, form); | |
299 | ||
300 | // Add the decoder options | |
301 | bindings_.clear(); | |
302 | channel_selectors_.clear(); | |
303 | decoder_forms_.clear(); | |
304 | ||
305 | const list< shared_ptr<Decoder> >& stack = decoder_stack_->stack(); | |
306 | ||
307 | if (stack.empty()) { | |
308 | QLabel *const l = new QLabel( | |
309 | tr("<p><i>No decoders in the stack</i></p>")); | |
310 | l->setAlignment(Qt::AlignCenter); | |
311 | form->addRow(l); | |
312 | } else { | |
313 | auto iter = stack.cbegin(); | |
314 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
315 | shared_ptr<Decoder> dec(*iter); | |
316 | create_decoder_form(i, dec, parent, form); | |
317 | } | |
318 | ||
319 | form->addRow(new QLabel( | |
320 | tr("<i>* Required channels</i>"), parent)); | |
321 | } | |
322 | ||
323 | // Add stacking button | |
324 | pv::widgets::DecoderMenu *const decoder_menu = | |
325 | new pv::widgets::DecoderMenu(parent); | |
326 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
327 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
328 | ||
329 | QPushButton *const stack_button = | |
330 | new QPushButton(tr("Stack Decoder"), parent); | |
331 | stack_button->setMenu(decoder_menu); | |
332 | ||
333 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
334 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
335 | form->addRow(stack_button_box); | |
336 | } | |
337 | ||
338 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
339 | { | |
340 | QMenu *const menu = Trace::create_context_menu(parent); | |
341 | ||
342 | menu->addSeparator(); | |
343 | ||
344 | QAction *const del = new QAction(tr("Delete"), this); | |
345 | del->setShortcuts(QKeySequence::Delete); | |
346 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
347 | menu->addAction(del); | |
348 | ||
349 | return menu; | |
350 | } | |
351 | ||
352 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
353 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
354 | size_t base_colour, int row_title_width) | |
355 | { | |
356 | using namespace pv::data::decode; | |
357 | ||
358 | vector<Annotation> a_block; | |
359 | int p_end = INT_MIN; | |
360 | ||
361 | double samples_per_pixel, pixels_offset; | |
362 | tie(pixels_offset, samples_per_pixel) = | |
363 | get_pixels_offset_samples_per_pixel(); | |
364 | ||
365 | // Sort the annotations by start sample so that decoders | |
366 | // can't confuse us by creating annotations out of order | |
367 | stable_sort(annotations.begin(), annotations.end(), | |
368 | [](const Annotation &a, const Annotation &b) { | |
369 | return a.start_sample() < b.start_sample(); }); | |
370 | ||
371 | // Gather all annotations that form a visual "block" and draw them as such | |
372 | for (const Annotation &a : annotations) { | |
373 | ||
374 | const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; | |
375 | const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; | |
376 | const int a_width = a_end - a_start; | |
377 | ||
378 | const int delta = a_end - p_end; | |
379 | ||
380 | bool a_is_separate = false; | |
381 | ||
382 | // Annotation wider than the threshold for a useful label width? | |
383 | if (a_width >= min_useful_label_width_) { | |
384 | for (const QString &ann_text : a.annotations()) { | |
385 | const int w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
386 | // Annotation wide enough to fit a label? Don't put it in a block then | |
387 | if (w <= a_width) { | |
388 | a_is_separate = true; | |
389 | break; | |
390 | } | |
391 | } | |
392 | } | |
393 | ||
394 | // Were the previous and this annotation more than a pixel apart? | |
395 | if ((abs(delta) > 1) || a_is_separate) { | |
396 | // Block was broken, draw annotations that form the current block | |
397 | if (a_block.size() == 1) { | |
398 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
399 | row_title_width); | |
400 | } | |
401 | else | |
402 | draw_annotation_block(a_block, p, h, y, base_colour); | |
403 | ||
404 | a_block.clear(); | |
405 | } | |
406 | ||
407 | if (a_is_separate) { | |
408 | draw_annotation(a, p, h, pp, y, base_colour, row_title_width); | |
409 | // Next annotation must start a new block. delta will be > 1 | |
410 | // because we set p_end to INT_MIN but that's okay since | |
411 | // a_block will be empty, so nothing will be drawn | |
412 | p_end = INT_MIN; | |
413 | } else { | |
414 | a_block.push_back(a); | |
415 | p_end = a_end; | |
416 | } | |
417 | } | |
418 | ||
419 | if (a_block.size() == 1) | |
420 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
421 | row_title_width); | |
422 | else | |
423 | draw_annotation_block(a_block, p, h, y, base_colour); | |
424 | } | |
425 | ||
426 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
427 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
428 | size_t base_colour, int row_title_width) const | |
429 | { | |
430 | double samples_per_pixel, pixels_offset; | |
431 | tie(pixels_offset, samples_per_pixel) = | |
432 | get_pixels_offset_samples_per_pixel(); | |
433 | ||
434 | const double start = a.start_sample() / samples_per_pixel - | |
435 | pixels_offset; | |
436 | const double end = a.end_sample() / samples_per_pixel - | |
437 | pixels_offset; | |
438 | ||
439 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
440 | p.setPen(OutlineColours[colour]); | |
441 | p.setBrush(Colours[colour]); | |
442 | ||
443 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
444 | return; | |
445 | ||
446 | if (a.start_sample() == a.end_sample()) | |
447 | draw_instant(a, p, h, start, y); | |
448 | else | |
449 | draw_range(a, p, h, start, end, y, pp, | |
450 | row_title_width); | |
451 | } | |
452 | ||
453 | void DecodeTrace::draw_annotation_block( | |
454 | vector<pv::data::decode::Annotation> annotations, QPainter &p, int h, | |
455 | int y, size_t base_colour) const | |
456 | { | |
457 | using namespace pv::data::decode; | |
458 | ||
459 | if (annotations.empty()) | |
460 | return; | |
461 | ||
462 | double samples_per_pixel, pixels_offset; | |
463 | tie(pixels_offset, samples_per_pixel) = | |
464 | get_pixels_offset_samples_per_pixel(); | |
465 | ||
466 | const double start = annotations.front().start_sample() / | |
467 | samples_per_pixel - pixels_offset; | |
468 | const double end = annotations.back().end_sample() / | |
469 | samples_per_pixel - pixels_offset; | |
470 | ||
471 | const double top = y + .5 - h / 2; | |
472 | const double bottom = y + .5 + h / 2; | |
473 | ||
474 | const size_t colour = (base_colour + annotations.front().format()) % | |
475 | countof(Colours); | |
476 | ||
477 | // Check if all annotations are of the same type (i.e. we can use one color) | |
478 | // or if we should use a neutral color (i.e. gray) | |
479 | const int format = annotations.front().format(); | |
480 | const bool single_format = std::all_of( | |
481 | annotations.begin(), annotations.end(), | |
482 | [&](const Annotation &a) { return a.format() == format; }); | |
483 | ||
484 | p.setPen((single_format ? OutlineColours[colour] : Qt::gray)); | |
485 | p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray), | |
486 | Qt::Dense4Pattern)); | |
487 | p.drawRoundedRect( | |
488 | QRectF(start, top, end - start, bottom - top), h/4, h/4); | |
489 | } | |
490 | ||
491 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
492 | int h, double x, int y) const | |
493 | { | |
494 | const QString text = a.annotations().empty() ? | |
495 | QString() : a.annotations().back(); | |
496 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
497 | 0.0) + h; | |
498 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
499 | ||
500 | p.drawRoundedRect(rect, h / 2, h / 2); | |
501 | ||
502 | p.setPen(Qt::black); | |
503 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
504 | } | |
505 | ||
506 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
507 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
508 | int row_title_width) const | |
509 | { | |
510 | const double top = y + .5 - h / 2; | |
511 | const double bottom = y + .5 + h / 2; | |
512 | const vector<QString> annotations = a.annotations(); | |
513 | ||
514 | // If the two ends are within 1 pixel, draw a vertical line | |
515 | if (start + 1.0 > end) { | |
516 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
517 | return; | |
518 | } | |
519 | ||
520 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
521 | ||
522 | QPointF pts[] = { | |
523 | QPointF(start, y + .5f), | |
524 | QPointF(start + cap_width, top), | |
525 | QPointF(end - cap_width, top), | |
526 | QPointF(end, y + .5f), | |
527 | QPointF(end - cap_width, bottom), | |
528 | QPointF(start + cap_width, bottom) | |
529 | }; | |
530 | ||
531 | p.drawConvexPolygon(pts, countof(pts)); | |
532 | ||
533 | if (annotations.empty()) | |
534 | return; | |
535 | ||
536 | const int ann_start = start + cap_width; | |
537 | const int ann_end = end - cap_width; | |
538 | ||
539 | const int real_start = std::max(ann_start, pp.left() + row_title_width); | |
540 | const int real_end = std::min(ann_end, pp.right()); | |
541 | const int real_width = real_end - real_start; | |
542 | ||
543 | QRectF rect(real_start, y - h / 2, real_width, h); | |
544 | if (rect.width() <= 4) | |
545 | return; | |
546 | ||
547 | p.setPen(Qt::black); | |
548 | ||
549 | // Try to find an annotation that will fit | |
550 | QString best_annotation; | |
551 | int best_width = 0; | |
552 | ||
553 | for (const QString &a : annotations) { | |
554 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
555 | if (w <= rect.width() && w > best_width) | |
556 | best_annotation = a, best_width = w; | |
557 | } | |
558 | ||
559 | if (best_annotation.isEmpty()) | |
560 | best_annotation = annotations.back(); | |
561 | ||
562 | // If not ellide the last in the list | |
563 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
564 | best_annotation, Qt::ElideRight, rect.width())); | |
565 | } | |
566 | ||
567 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
568 | const ViewItemPaintParams &pp) | |
569 | { | |
570 | const int y = get_visual_y(); | |
571 | ||
572 | p.setPen(ErrorBgColour.darker()); | |
573 | p.setBrush(ErrorBgColour); | |
574 | ||
575 | const QRectF bounding_rect = | |
576 | QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX); | |
577 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
578 | Qt::AlignCenter, message); | |
579 | const float r = text_rect.height() / 4; | |
580 | ||
581 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
582 | Qt::AbsoluteSize); | |
583 | ||
584 | p.setPen(Qt::black); | |
585 | p.drawText(text_rect, message); | |
586 | } | |
587 | ||
588 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
589 | int right) const | |
590 | { | |
591 | using namespace pv::data; | |
592 | using pv::data::decode::Decoder; | |
593 | ||
594 | double samples_per_pixel, pixels_offset; | |
595 | ||
596 | assert(decoder_stack_); | |
597 | ||
598 | shared_ptr<Logic> data; | |
599 | shared_ptr<LogicSignal> logic_signal; | |
600 | ||
601 | const list< shared_ptr<Decoder> > &stack = decoder_stack_->stack(); | |
602 | ||
603 | // We get the logic data of the first channel in the list. | |
604 | // This works because we are currently assuming all | |
605 | // LogicSignals have the same data/segment | |
606 | for (const shared_ptr<Decoder> &dec : stack) | |
607 | if (dec && !dec->channels().empty() && | |
608 | ((logic_signal = (*dec->channels().begin()).second)) && | |
609 | ((data = logic_signal->logic_data()))) | |
610 | break; | |
611 | ||
612 | if (!data || data->logic_segments().empty()) | |
613 | return; | |
614 | ||
615 | const shared_ptr<LogicSegment> segment = | |
616 | data->logic_segments().front(); | |
617 | assert(segment); | |
618 | const int64_t sample_count = (int64_t)segment->get_sample_count(); | |
619 | if (sample_count == 0) | |
620 | return; | |
621 | ||
622 | const int64_t samples_decoded = decoder_stack_->samples_decoded(); | |
623 | if (sample_count == samples_decoded) | |
624 | return; | |
625 | ||
626 | const int y = get_visual_y(); | |
627 | ||
628 | tie(pixels_offset, samples_per_pixel) = | |
629 | get_pixels_offset_samples_per_pixel(); | |
630 | ||
631 | const double start = max(samples_decoded / | |
632 | samples_per_pixel - pixels_offset, left - 1.0); | |
633 | const double end = min(sample_count / samples_per_pixel - | |
634 | pixels_offset, right + 1.0); | |
635 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
636 | ||
637 | p.setPen(QPen(Qt::NoPen)); | |
638 | p.setBrush(Qt::white); | |
639 | p.drawRect(no_decode_rect); | |
640 | ||
641 | p.setPen(NoDecodeColour); | |
642 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
643 | p.drawRect(no_decode_rect); | |
644 | } | |
645 | ||
646 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
647 | { | |
648 | assert(owner_); | |
649 | assert(decoder_stack_); | |
650 | ||
651 | const View *view = owner_->view(); | |
652 | assert(view); | |
653 | ||
654 | const double scale = view->scale(); | |
655 | assert(scale > 0); | |
656 | ||
657 | const double pixels_offset = | |
658 | ((view->offset() - decoder_stack_->start_time()) / scale).convert_to<double>(); | |
659 | ||
660 | double samplerate = decoder_stack_->samplerate(); | |
661 | ||
662 | // Show sample rate as 1Hz when it is unknown | |
663 | if (samplerate == 0.0) | |
664 | samplerate = 1.0; | |
665 | ||
666 | return make_pair(pixels_offset, samplerate * scale); | |
667 | } | |
668 | ||
669 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
670 | int x_start, int x_end) const | |
671 | { | |
672 | double samples_per_pixel, pixels_offset; | |
673 | tie(pixels_offset, samples_per_pixel) = | |
674 | get_pixels_offset_samples_per_pixel(); | |
675 | ||
676 | const uint64_t start = (uint64_t)max( | |
677 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
678 | const uint64_t end = (uint64_t)max( | |
679 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
680 | ||
681 | return make_pair(start, end); | |
682 | } | |
683 | ||
684 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
685 | { | |
686 | if (!row_height_) | |
687 | return -1; | |
688 | ||
689 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
690 | ||
691 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
692 | if (y < 0) | |
693 | return -1; | |
694 | ||
695 | const int row = y / row_height_; | |
696 | ||
697 | if (row >= (int)visible_rows_.size()) | |
698 | return -1; | |
699 | ||
700 | return row; | |
701 | } | |
702 | ||
703 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
704 | { | |
705 | using namespace pv::data::decode; | |
706 | ||
707 | if (!enabled()) | |
708 | return QString(); | |
709 | ||
710 | const pair<uint64_t, uint64_t> sample_range = | |
711 | get_sample_range(point.x(), point.x() + 1); | |
712 | const int row = get_row_at_point(point); | |
713 | if (row < 0) | |
714 | return QString(); | |
715 | ||
716 | vector<pv::data::decode::Annotation> annotations; | |
717 | ||
718 | assert(decoder_stack_); | |
719 | decoder_stack_->get_annotation_subset(annotations, visible_rows_[row], | |
720 | sample_range.first, sample_range.second); | |
721 | ||
722 | return (annotations.empty()) ? | |
723 | QString() : annotations[0].annotations().front(); | |
724 | } | |
725 | ||
726 | void DecodeTrace::hover_point_changed() | |
727 | { | |
728 | assert(owner_); | |
729 | ||
730 | const View *const view = owner_->view(); | |
731 | assert(view); | |
732 | ||
733 | QPoint hp = view->hover_point(); | |
734 | QString ann = get_annotation_at_point(hp); | |
735 | ||
736 | assert(view); | |
737 | ||
738 | if (!row_height_ || ann.isEmpty()) { | |
739 | QToolTip::hideText(); | |
740 | return; | |
741 | } | |
742 | ||
743 | const int hover_row = get_row_at_point(hp); | |
744 | ||
745 | QFontMetrics m(QToolTip::font()); | |
746 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
747 | ||
748 | // This is OS-specific and unfortunately we can't query it, so | |
749 | // use an approximation to at least try to minimize the error. | |
750 | const int padding = 8; | |
751 | ||
752 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
753 | // If it did, the tool tip would constantly hide and re-appear. | |
754 | // We also push it up by one row so that it appears above the | |
755 | // decode trace, not below. | |
756 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
757 | ||
758 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
759 | (hover_row * row_height_) - | |
760 | row_height_ - text_size.height() - padding); | |
761 | ||
762 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
763 | } | |
764 | ||
765 | void DecodeTrace::create_decoder_form(int index, | |
766 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
767 | QFormLayout *form) | |
768 | { | |
769 | const GSList *l; | |
770 | ||
771 | assert(dec); | |
772 | const srd_decoder *const decoder = dec->decoder(); | |
773 | assert(decoder); | |
774 | ||
775 | const bool decoder_deletable = index > 0; | |
776 | ||
777 | pv::widgets::DecoderGroupBox *const group = | |
778 | new pv::widgets::DecoderGroupBox( | |
779 | QString::fromUtf8(decoder->name), nullptr, decoder_deletable); | |
780 | group->set_decoder_visible(dec->shown()); | |
781 | ||
782 | if (decoder_deletable) { | |
783 | delete_mapper_.setMapping(group, index); | |
784 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
785 | } | |
786 | ||
787 | show_hide_mapper_.setMapping(group, index); | |
788 | connect(group, SIGNAL(show_hide_decoder()), | |
789 | &show_hide_mapper_, SLOT(map())); | |
790 | ||
791 | QFormLayout *const decoder_form = new QFormLayout; | |
792 | group->add_layout(decoder_form); | |
793 | ||
794 | // Add the mandatory channels | |
795 | for (l = decoder->channels; l; l = l->next) { | |
796 | const struct srd_channel *const pdch = | |
797 | (struct srd_channel *)l->data; | |
798 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
799 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
800 | this, SLOT(on_channel_selected(int))); | |
801 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
802 | .arg(QString::fromUtf8(pdch->name), | |
803 | QString::fromUtf8(pdch->desc)), combo); | |
804 | ||
805 | const ChannelSelector s = {combo, dec, pdch}; | |
806 | channel_selectors_.push_back(s); | |
807 | } | |
808 | ||
809 | // Add the optional channels | |
810 | for (l = decoder->opt_channels; l; l = l->next) { | |
811 | const struct srd_channel *const pdch = | |
812 | (struct srd_channel *)l->data; | |
813 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
814 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
815 | this, SLOT(on_channel_selected(int))); | |
816 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
817 | .arg(QString::fromUtf8(pdch->name), | |
818 | QString::fromUtf8(pdch->desc)), combo); | |
819 | ||
820 | const ChannelSelector s = {combo, dec, pdch}; | |
821 | channel_selectors_.push_back(s); | |
822 | } | |
823 | ||
824 | // Add the options | |
825 | shared_ptr<binding::Decoder> binding( | |
826 | new binding::Decoder(decoder_stack_, dec)); | |
827 | binding->add_properties_to_form(decoder_form, true); | |
828 | ||
829 | bindings_.push_back(binding); | |
830 | ||
831 | form->addRow(group); | |
832 | decoder_forms_.push_back(group); | |
833 | } | |
834 | ||
835 | QComboBox* DecodeTrace::create_channel_selector( | |
836 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
837 | const srd_channel *const pdch) | |
838 | { | |
839 | assert(dec); | |
840 | ||
841 | const auto sigs(session_.signals()); | |
842 | ||
843 | vector< shared_ptr<Signal> > sig_list(sigs.begin(), sigs.end()); | |
844 | std::sort(sig_list.begin(), sig_list.end(), | |
845 | [](const shared_ptr<Signal> &a, const shared_ptr<Signal> b) { | |
846 | return strnatcasecmp(a->name().toStdString(), | |
847 | b->name().toStdString()) < 0; }); | |
848 | ||
849 | assert(decoder_stack_); | |
850 | const auto channel_iter = dec->channels().find(pdch); | |
851 | ||
852 | QComboBox *selector = new QComboBox(parent); | |
853 | ||
854 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
855 | ||
856 | if (channel_iter == dec->channels().end()) | |
857 | selector->setCurrentIndex(0); | |
858 | ||
859 | for (const shared_ptr<view::Signal> &s : sig_list) { | |
860 | assert(s); | |
861 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) { | |
862 | selector->addItem(s->name(), | |
863 | qVariantFromValue((void*)s.get())); | |
864 | ||
865 | if (channel_iter != dec->channels().end() && | |
866 | (*channel_iter).second == s) | |
867 | selector->setCurrentIndex( | |
868 | selector->count() - 1); | |
869 | } | |
870 | } | |
871 | ||
872 | return selector; | |
873 | } | |
874 | ||
875 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
876 | { | |
877 | assert(dec); | |
878 | ||
879 | map<const srd_channel*, shared_ptr<LogicSignal> > channel_map; | |
880 | ||
881 | const unordered_set< shared_ptr<Signal> > sigs(session_.signals()); | |
882 | ||
883 | for (const ChannelSelector &s : channel_selectors_) { | |
884 | if (s.decoder_ != dec) | |
885 | break; | |
886 | ||
887 | const LogicSignal *const selection = | |
888 | (LogicSignal*)s.combo_->itemData( | |
889 | s.combo_->currentIndex()).value<void*>(); | |
890 | ||
891 | for (shared_ptr<Signal> sig : sigs) | |
892 | if (sig.get() == selection) { | |
893 | channel_map[s.pdch_] = | |
894 | dynamic_pointer_cast<LogicSignal>(sig); | |
895 | break; | |
896 | } | |
897 | } | |
898 | ||
899 | dec->set_channels(channel_map); | |
900 | } | |
901 | ||
902 | void DecodeTrace::commit_channels() | |
903 | { | |
904 | assert(decoder_stack_); | |
905 | for (shared_ptr<data::decode::Decoder> dec : decoder_stack_->stack()) | |
906 | commit_decoder_channels(dec); | |
907 | ||
908 | decoder_stack_->begin_decode(); | |
909 | } | |
910 | ||
911 | void DecodeTrace::on_new_decode_data() | |
912 | { | |
913 | if (owner_) | |
914 | owner_->row_item_appearance_changed(false, true); | |
915 | } | |
916 | ||
917 | void DecodeTrace::delete_pressed() | |
918 | { | |
919 | on_delete(); | |
920 | } | |
921 | ||
922 | void DecodeTrace::on_delete() | |
923 | { | |
924 | session_.remove_decode_signal(this); | |
925 | } | |
926 | ||
927 | void DecodeTrace::on_channel_selected(int) | |
928 | { | |
929 | commit_channels(); | |
930 | } | |
931 | ||
932 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
933 | { | |
934 | assert(decoder); | |
935 | assert(decoder_stack_); | |
936 | decoder_stack_->push(shared_ptr<data::decode::Decoder>( | |
937 | new data::decode::Decoder(decoder))); | |
938 | decoder_stack_->begin_decode(); | |
939 | ||
940 | create_popup_form(); | |
941 | } | |
942 | ||
943 | void DecodeTrace::on_delete_decoder(int index) | |
944 | { | |
945 | decoder_stack_->remove(index); | |
946 | ||
947 | // Update the popup | |
948 | create_popup_form(); | |
949 | ||
950 | decoder_stack_->begin_decode(); | |
951 | } | |
952 | ||
953 | void DecodeTrace::on_show_hide_decoder(int index) | |
954 | { | |
955 | using pv::data::decode::Decoder; | |
956 | ||
957 | const list< shared_ptr<Decoder> > stack(decoder_stack_->stack()); | |
958 | ||
959 | // Find the decoder in the stack | |
960 | auto iter = stack.cbegin(); | |
961 | for (int i = 0; i < index; i++, iter++) | |
962 | assert(iter != stack.end()); | |
963 | ||
964 | shared_ptr<Decoder> dec = *iter; | |
965 | assert(dec); | |
966 | ||
967 | const bool show = !dec->shown(); | |
968 | dec->show(show); | |
969 | ||
970 | assert(index < (int)decoder_forms_.size()); | |
971 | decoder_forms_[index]->set_decoder_visible(show); | |
972 | ||
973 | if (owner_) | |
974 | owner_->row_item_appearance_changed(false, true); | |
975 | } | |
976 | ||
977 | } // namespace view | |
978 | } // namespace pv |