]>
Commit | Line | Data |
---|---|---|
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 | // Set default pen to allow for text width calculation | |
202 | p.setPen(Qt::black); | |
203 | ||
204 | // Iterate through the rows | |
205 | int y = get_visual_y(); | |
206 | pair<uint64_t, uint64_t> sample_range = get_sample_range( | |
207 | pp.left(), pp.right()); | |
208 | ||
209 | assert(decoder_stack_); | |
210 | const vector<Row> rows(decoder_stack_->get_visible_rows()); | |
211 | ||
212 | visible_rows_.clear(); | |
213 | for (const Row& row : rows) { | |
214 | // Cache the row title widths | |
215 | int row_title_width; | |
216 | try { | |
217 | row_title_width = row_title_widths_.at(row); | |
218 | } catch (std::out_of_range) { | |
219 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
220 | RowTitleMargin; | |
221 | row_title_widths_[row] = w; | |
222 | row_title_width = w; | |
223 | } | |
224 | ||
225 | // Determine the row's color | |
226 | size_t base_colour = 0x13579BDF; | |
227 | boost::hash_combine(base_colour, this); | |
228 | boost::hash_combine(base_colour, row.decoder()); | |
229 | boost::hash_combine(base_colour, row.row()); | |
230 | base_colour >>= 16; | |
231 | ||
232 | vector<Annotation> annotations; | |
233 | decoder_stack_->get_annotation_subset(annotations, row, | |
234 | sample_range.first, sample_range.second); | |
235 | if (!annotations.empty()) { | |
236 | draw_annotations(annotations, p, annotation_height, pp, y, | |
237 | base_colour, row_title_width); | |
238 | ||
239 | y += row_height_; | |
240 | ||
241 | visible_rows_.push_back(row); | |
242 | } | |
243 | } | |
244 | ||
245 | // Draw the hatching | |
246 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
247 | ||
248 | if ((int)visible_rows_.size() > max_visible_rows_) | |
249 | owner_->extents_changed(false, true); | |
250 | ||
251 | // Update the maximum row count if needed | |
252 | max_visible_rows_ = std::max(max_visible_rows_, (int)visible_rows_.size()); | |
253 | } | |
254 | ||
255 | void DecodeTrace::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
256 | { | |
257 | using namespace pv::data::decode; | |
258 | ||
259 | assert(row_height_); | |
260 | ||
261 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
262 | const int y = i * row_height_ + get_visual_y(); | |
263 | ||
264 | p.setPen(QPen(Qt::NoPen)); | |
265 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
266 | ||
267 | if (i != 0) { | |
268 | const QPointF points[] = { | |
269 | QPointF(pp.left(), y - ArrowSize), | |
270 | QPointF(pp.left() + ArrowSize, y), | |
271 | QPointF(pp.left(), y + ArrowSize) | |
272 | }; | |
273 | p.drawPolygon(points, countof(points)); | |
274 | } | |
275 | ||
276 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
277 | pp.right() - pp.left(), row_height_); | |
278 | const QString h(visible_rows_[i].title()); | |
279 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
280 | Qt::TextDontClip; | |
281 | ||
282 | // Draw the outline | |
283 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
284 | for (int dx = -1; dx <= 1; dx++) | |
285 | for (int dy = -1; dy <= 1; dy++) | |
286 | if (dx != 0 && dy != 0) | |
287 | p.drawText(r.translated(dx, dy), f, h); | |
288 | ||
289 | // Draw the text | |
290 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
291 | p.drawText(r, f, h); | |
292 | } | |
293 | } | |
294 | ||
295 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
296 | { | |
297 | using pv::data::decode::Decoder; | |
298 | ||
299 | assert(form); | |
300 | assert(parent); | |
301 | assert(decoder_stack_); | |
302 | ||
303 | // Add the standard options | |
304 | Trace::populate_popup_form(parent, form); | |
305 | ||
306 | // Add the decoder options | |
307 | bindings_.clear(); | |
308 | channel_selectors_.clear(); | |
309 | decoder_forms_.clear(); | |
310 | ||
311 | const list< shared_ptr<Decoder> >& stack = decoder_stack_->stack(); | |
312 | ||
313 | if (stack.empty()) { | |
314 | QLabel *const l = new QLabel( | |
315 | tr("<p><i>No decoders in the stack</i></p>")); | |
316 | l->setAlignment(Qt::AlignCenter); | |
317 | form->addRow(l); | |
318 | } else { | |
319 | auto iter = stack.cbegin(); | |
320 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
321 | shared_ptr<Decoder> dec(*iter); | |
322 | create_decoder_form(i, dec, parent, form); | |
323 | } | |
324 | ||
325 | form->addRow(new QLabel( | |
326 | tr("<i>* Required channels</i>"), parent)); | |
327 | } | |
328 | ||
329 | // Add stacking button | |
330 | pv::widgets::DecoderMenu *const decoder_menu = | |
331 | new pv::widgets::DecoderMenu(parent); | |
332 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
333 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
334 | ||
335 | QPushButton *const stack_button = | |
336 | new QPushButton(tr("Stack Decoder"), parent); | |
337 | stack_button->setMenu(decoder_menu); | |
338 | ||
339 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
340 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
341 | form->addRow(stack_button_box); | |
342 | } | |
343 | ||
344 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
345 | { | |
346 | QMenu *const menu = Trace::create_context_menu(parent); | |
347 | ||
348 | menu->addSeparator(); | |
349 | ||
350 | QAction *const del = new QAction(tr("Delete"), this); | |
351 | del->setShortcuts(QKeySequence::Delete); | |
352 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
353 | menu->addAction(del); | |
354 | ||
355 | return menu; | |
356 | } | |
357 | ||
358 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
359 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
360 | size_t base_colour, int row_title_width) | |
361 | { | |
362 | using namespace pv::data::decode; | |
363 | ||
364 | vector<Annotation> a_block; | |
365 | int p_end = INT_MIN; | |
366 | ||
367 | double samples_per_pixel, pixels_offset; | |
368 | tie(pixels_offset, samples_per_pixel) = | |
369 | get_pixels_offset_samples_per_pixel(); | |
370 | ||
371 | // Sort the annotations by start sample so that decoders | |
372 | // can't confuse us by creating annotations out of order | |
373 | stable_sort(annotations.begin(), annotations.end(), | |
374 | [](const Annotation &a, const Annotation &b) { | |
375 | return a.start_sample() < b.start_sample(); }); | |
376 | ||
377 | // Gather all annotations that form a visual "block" and draw them as such | |
378 | for (const Annotation &a : annotations) { | |
379 | ||
380 | const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; | |
381 | const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; | |
382 | const int a_width = a_end - a_start; | |
383 | ||
384 | const int delta = a_end - p_end; | |
385 | ||
386 | bool a_is_separate = false; | |
387 | ||
388 | // Annotation wider than the threshold for a useful label width? | |
389 | if (a_width >= min_useful_label_width_) { | |
390 | for (const QString &ann_text : a.annotations()) { | |
391 | const int w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
392 | // Annotation wide enough to fit a label? Don't put it in a block then | |
393 | if (w <= a_width) { | |
394 | a_is_separate = true; | |
395 | break; | |
396 | } | |
397 | } | |
398 | } | |
399 | ||
400 | // Were the previous and this annotation more than a pixel apart? | |
401 | if ((abs(delta) > 1) || a_is_separate) { | |
402 | // Block was broken, draw annotations that form the current block | |
403 | if (a_block.size() == 1) { | |
404 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
405 | row_title_width); | |
406 | } | |
407 | else | |
408 | draw_annotation_block(a_block, p, h, y, base_colour); | |
409 | ||
410 | a_block.clear(); | |
411 | } | |
412 | ||
413 | if (a_is_separate) { | |
414 | draw_annotation(a, p, h, pp, y, base_colour, row_title_width); | |
415 | // Next annotation must start a new block. delta will be > 1 | |
416 | // because we set p_end to INT_MIN but that's okay since | |
417 | // a_block will be empty, so nothing will be drawn | |
418 | p_end = INT_MIN; | |
419 | } else { | |
420 | a_block.push_back(a); | |
421 | p_end = a_end; | |
422 | } | |
423 | } | |
424 | ||
425 | if (a_block.size() == 1) | |
426 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
427 | row_title_width); | |
428 | else | |
429 | draw_annotation_block(a_block, p, h, y, base_colour); | |
430 | } | |
431 | ||
432 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
433 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
434 | size_t base_colour, int row_title_width) const | |
435 | { | |
436 | double samples_per_pixel, pixels_offset; | |
437 | tie(pixels_offset, samples_per_pixel) = | |
438 | get_pixels_offset_samples_per_pixel(); | |
439 | ||
440 | const double start = a.start_sample() / samples_per_pixel - | |
441 | pixels_offset; | |
442 | const double end = a.end_sample() / samples_per_pixel - | |
443 | pixels_offset; | |
444 | ||
445 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
446 | p.setPen(OutlineColours[colour]); | |
447 | p.setBrush(Colours[colour]); | |
448 | ||
449 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
450 | return; | |
451 | ||
452 | if (a.start_sample() == a.end_sample()) | |
453 | draw_instant(a, p, h, start, y); | |
454 | else | |
455 | draw_range(a, p, h, start, end, y, pp, | |
456 | row_title_width); | |
457 | } | |
458 | ||
459 | void DecodeTrace::draw_annotation_block( | |
460 | vector<pv::data::decode::Annotation> annotations, QPainter &p, int h, | |
461 | int y, size_t base_colour) const | |
462 | { | |
463 | using namespace pv::data::decode; | |
464 | ||
465 | if (annotations.empty()) | |
466 | return; | |
467 | ||
468 | double samples_per_pixel, pixels_offset; | |
469 | tie(pixels_offset, samples_per_pixel) = | |
470 | get_pixels_offset_samples_per_pixel(); | |
471 | ||
472 | const double start = annotations.front().start_sample() / | |
473 | samples_per_pixel - pixels_offset; | |
474 | const double end = annotations.back().end_sample() / | |
475 | samples_per_pixel - pixels_offset; | |
476 | ||
477 | const double top = y + .5 - h / 2; | |
478 | const double bottom = y + .5 + h / 2; | |
479 | ||
480 | const size_t colour = (base_colour + annotations.front().format()) % | |
481 | countof(Colours); | |
482 | ||
483 | // Check if all annotations are of the same type (i.e. we can use one color) | |
484 | // or if we should use a neutral color (i.e. gray) | |
485 | const int format = annotations.front().format(); | |
486 | const bool single_format = std::all_of( | |
487 | annotations.begin(), annotations.end(), | |
488 | [&](const Annotation &a) { return a.format() == format; }); | |
489 | ||
490 | p.setPen((single_format ? OutlineColours[colour] : Qt::gray)); | |
491 | p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray), | |
492 | Qt::Dense4Pattern)); | |
493 | p.drawRoundedRect( | |
494 | QRectF(start, top, end - start, bottom - top), h/4, h/4); | |
495 | } | |
496 | ||
497 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
498 | int h, double x, int y) const | |
499 | { | |
500 | const QString text = a.annotations().empty() ? | |
501 | QString() : a.annotations().back(); | |
502 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
503 | 0.0) + h; | |
504 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
505 | ||
506 | p.drawRoundedRect(rect, h / 2, h / 2); | |
507 | ||
508 | p.setPen(Qt::black); | |
509 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
510 | } | |
511 | ||
512 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
513 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
514 | int row_title_width) const | |
515 | { | |
516 | const double top = y + .5 - h / 2; | |
517 | const double bottom = y + .5 + h / 2; | |
518 | const vector<QString> annotations = a.annotations(); | |
519 | ||
520 | // If the two ends are within 1 pixel, draw a vertical line | |
521 | if (start + 1.0 > end) { | |
522 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
523 | return; | |
524 | } | |
525 | ||
526 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
527 | ||
528 | QPointF pts[] = { | |
529 | QPointF(start, y + .5f), | |
530 | QPointF(start + cap_width, top), | |
531 | QPointF(end - cap_width, top), | |
532 | QPointF(end, y + .5f), | |
533 | QPointF(end - cap_width, bottom), | |
534 | QPointF(start + cap_width, bottom) | |
535 | }; | |
536 | ||
537 | p.drawConvexPolygon(pts, countof(pts)); | |
538 | ||
539 | if (annotations.empty()) | |
540 | return; | |
541 | ||
542 | const int ann_start = start + cap_width; | |
543 | const int ann_end = end - cap_width; | |
544 | ||
545 | const int real_start = std::max(ann_start, pp.left() + row_title_width); | |
546 | const int real_end = std::min(ann_end, pp.right()); | |
547 | const int real_width = real_end - real_start; | |
548 | ||
549 | QRectF rect(real_start, y - h / 2, real_width, h); | |
550 | if (rect.width() <= 4) | |
551 | return; | |
552 | ||
553 | p.setPen(Qt::black); | |
554 | ||
555 | // Try to find an annotation that will fit | |
556 | QString best_annotation; | |
557 | int best_width = 0; | |
558 | ||
559 | for (const QString &a : annotations) { | |
560 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
561 | if (w <= rect.width() && w > best_width) | |
562 | best_annotation = a, best_width = w; | |
563 | } | |
564 | ||
565 | if (best_annotation.isEmpty()) | |
566 | best_annotation = annotations.back(); | |
567 | ||
568 | // If not ellide the last in the list | |
569 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
570 | best_annotation, Qt::ElideRight, rect.width())); | |
571 | } | |
572 | ||
573 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
574 | const ViewItemPaintParams &pp) | |
575 | { | |
576 | const int y = get_visual_y(); | |
577 | ||
578 | p.setPen(ErrorBgColour.darker()); | |
579 | p.setBrush(ErrorBgColour); | |
580 | ||
581 | const QRectF bounding_rect = | |
582 | QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX); | |
583 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
584 | Qt::AlignCenter, message); | |
585 | const float r = text_rect.height() / 4; | |
586 | ||
587 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
588 | Qt::AbsoluteSize); | |
589 | ||
590 | p.setPen(Qt::black); | |
591 | p.drawText(text_rect, message); | |
592 | } | |
593 | ||
594 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
595 | int right) const | |
596 | { | |
597 | using namespace pv::data; | |
598 | using pv::data::decode::Decoder; | |
599 | ||
600 | double samples_per_pixel, pixels_offset; | |
601 | ||
602 | assert(decoder_stack_); | |
603 | ||
604 | shared_ptr<Logic> data; | |
605 | shared_ptr<LogicSignal> logic_signal; | |
606 | ||
607 | const list< shared_ptr<Decoder> > &stack = decoder_stack_->stack(); | |
608 | ||
609 | // We get the logic data of the first channel in the list. | |
610 | // This works because we are currently assuming all | |
611 | // LogicSignals have the same data/segment | |
612 | for (const shared_ptr<Decoder> &dec : stack) | |
613 | if (dec && !dec->channels().empty() && | |
614 | ((logic_signal = (*dec->channels().begin()).second)) && | |
615 | ((data = logic_signal->logic_data()))) | |
616 | break; | |
617 | ||
618 | if (!data || data->logic_segments().empty()) | |
619 | return; | |
620 | ||
621 | const shared_ptr<LogicSegment> segment = | |
622 | data->logic_segments().front(); | |
623 | assert(segment); | |
624 | const int64_t sample_count = (int64_t)segment->get_sample_count(); | |
625 | if (sample_count == 0) | |
626 | return; | |
627 | ||
628 | const int64_t samples_decoded = decoder_stack_->samples_decoded(); | |
629 | if (sample_count == samples_decoded) | |
630 | return; | |
631 | ||
632 | const int y = get_visual_y(); | |
633 | ||
634 | tie(pixels_offset, samples_per_pixel) = | |
635 | get_pixels_offset_samples_per_pixel(); | |
636 | ||
637 | const double start = max(samples_decoded / | |
638 | samples_per_pixel - pixels_offset, left - 1.0); | |
639 | const double end = min(sample_count / samples_per_pixel - | |
640 | pixels_offset, right + 1.0); | |
641 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
642 | ||
643 | p.setPen(QPen(Qt::NoPen)); | |
644 | p.setBrush(Qt::white); | |
645 | p.drawRect(no_decode_rect); | |
646 | ||
647 | p.setPen(NoDecodeColour); | |
648 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
649 | p.drawRect(no_decode_rect); | |
650 | } | |
651 | ||
652 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
653 | { | |
654 | assert(owner_); | |
655 | assert(decoder_stack_); | |
656 | ||
657 | const View *view = owner_->view(); | |
658 | assert(view); | |
659 | ||
660 | const double scale = view->scale(); | |
661 | assert(scale > 0); | |
662 | ||
663 | const double pixels_offset = | |
664 | ((view->offset() - decoder_stack_->start_time()) / scale).convert_to<double>(); | |
665 | ||
666 | double samplerate = decoder_stack_->samplerate(); | |
667 | ||
668 | // Show sample rate as 1Hz when it is unknown | |
669 | if (samplerate == 0.0) | |
670 | samplerate = 1.0; | |
671 | ||
672 | return make_pair(pixels_offset, samplerate * scale); | |
673 | } | |
674 | ||
675 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
676 | int x_start, int x_end) const | |
677 | { | |
678 | double samples_per_pixel, pixels_offset; | |
679 | tie(pixels_offset, samples_per_pixel) = | |
680 | get_pixels_offset_samples_per_pixel(); | |
681 | ||
682 | const uint64_t start = (uint64_t)max( | |
683 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
684 | const uint64_t end = (uint64_t)max( | |
685 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
686 | ||
687 | return make_pair(start, end); | |
688 | } | |
689 | ||
690 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
691 | { | |
692 | if (!row_height_) | |
693 | return -1; | |
694 | ||
695 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
696 | ||
697 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
698 | if (y < 0) | |
699 | return -1; | |
700 | ||
701 | const int row = y / row_height_; | |
702 | ||
703 | if (row >= (int)visible_rows_.size()) | |
704 | return -1; | |
705 | ||
706 | return row; | |
707 | } | |
708 | ||
709 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
710 | { | |
711 | using namespace pv::data::decode; | |
712 | ||
713 | if (!enabled()) | |
714 | return QString(); | |
715 | ||
716 | const pair<uint64_t, uint64_t> sample_range = | |
717 | get_sample_range(point.x(), point.x() + 1); | |
718 | const int row = get_row_at_point(point); | |
719 | if (row < 0) | |
720 | return QString(); | |
721 | ||
722 | vector<pv::data::decode::Annotation> annotations; | |
723 | ||
724 | assert(decoder_stack_); | |
725 | decoder_stack_->get_annotation_subset(annotations, visible_rows_[row], | |
726 | sample_range.first, sample_range.second); | |
727 | ||
728 | return (annotations.empty()) ? | |
729 | QString() : annotations[0].annotations().front(); | |
730 | } | |
731 | ||
732 | void DecodeTrace::hover_point_changed() | |
733 | { | |
734 | assert(owner_); | |
735 | ||
736 | const View *const view = owner_->view(); | |
737 | assert(view); | |
738 | ||
739 | QPoint hp = view->hover_point(); | |
740 | QString ann = get_annotation_at_point(hp); | |
741 | ||
742 | assert(view); | |
743 | ||
744 | if (!row_height_ || ann.isEmpty()) { | |
745 | QToolTip::hideText(); | |
746 | return; | |
747 | } | |
748 | ||
749 | const int hover_row = get_row_at_point(hp); | |
750 | ||
751 | QFontMetrics m(QToolTip::font()); | |
752 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
753 | ||
754 | // This is OS-specific and unfortunately we can't query it, so | |
755 | // use an approximation to at least try to minimize the error. | |
756 | const int padding = 8; | |
757 | ||
758 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
759 | // If it did, the tool tip would constantly hide and re-appear. | |
760 | // We also push it up by one row so that it appears above the | |
761 | // decode trace, not below. | |
762 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
763 | ||
764 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
765 | (hover_row * row_height_) - | |
766 | row_height_ - text_size.height() - padding); | |
767 | ||
768 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
769 | } | |
770 | ||
771 | void DecodeTrace::create_decoder_form(int index, | |
772 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
773 | QFormLayout *form) | |
774 | { | |
775 | const GSList *l; | |
776 | ||
777 | assert(dec); | |
778 | const srd_decoder *const decoder = dec->decoder(); | |
779 | assert(decoder); | |
780 | ||
781 | const bool decoder_deletable = index > 0; | |
782 | ||
783 | pv::widgets::DecoderGroupBox *const group = | |
784 | new pv::widgets::DecoderGroupBox( | |
785 | QString::fromUtf8(decoder->name), nullptr, decoder_deletable); | |
786 | group->set_decoder_visible(dec->shown()); | |
787 | ||
788 | if (decoder_deletable) { | |
789 | delete_mapper_.setMapping(group, index); | |
790 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
791 | } | |
792 | ||
793 | show_hide_mapper_.setMapping(group, index); | |
794 | connect(group, SIGNAL(show_hide_decoder()), | |
795 | &show_hide_mapper_, SLOT(map())); | |
796 | ||
797 | QFormLayout *const decoder_form = new QFormLayout; | |
798 | group->add_layout(decoder_form); | |
799 | ||
800 | // Add the mandatory channels | |
801 | for (l = decoder->channels; l; l = l->next) { | |
802 | const struct srd_channel *const pdch = | |
803 | (struct srd_channel *)l->data; | |
804 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
805 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
806 | this, SLOT(on_channel_selected(int))); | |
807 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
808 | .arg(QString::fromUtf8(pdch->name), | |
809 | QString::fromUtf8(pdch->desc)), combo); | |
810 | ||
811 | const ChannelSelector s = {combo, dec, pdch}; | |
812 | channel_selectors_.push_back(s); | |
813 | } | |
814 | ||
815 | // Add the optional channels | |
816 | for (l = decoder->opt_channels; l; l = l->next) { | |
817 | const struct srd_channel *const pdch = | |
818 | (struct srd_channel *)l->data; | |
819 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
820 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
821 | this, SLOT(on_channel_selected(int))); | |
822 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
823 | .arg(QString::fromUtf8(pdch->name), | |
824 | QString::fromUtf8(pdch->desc)), combo); | |
825 | ||
826 | const ChannelSelector s = {combo, dec, pdch}; | |
827 | channel_selectors_.push_back(s); | |
828 | } | |
829 | ||
830 | // Add the options | |
831 | shared_ptr<binding::Decoder> binding( | |
832 | new binding::Decoder(decoder_stack_, dec)); | |
833 | binding->add_properties_to_form(decoder_form, true); | |
834 | ||
835 | bindings_.push_back(binding); | |
836 | ||
837 | form->addRow(group); | |
838 | decoder_forms_.push_back(group); | |
839 | } | |
840 | ||
841 | QComboBox* DecodeTrace::create_channel_selector( | |
842 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
843 | const srd_channel *const pdch) | |
844 | { | |
845 | assert(dec); | |
846 | ||
847 | const auto sigs(session_.signals()); | |
848 | ||
849 | vector< shared_ptr<Signal> > sig_list(sigs.begin(), sigs.end()); | |
850 | std::sort(sig_list.begin(), sig_list.end(), | |
851 | [](const shared_ptr<Signal> &a, const shared_ptr<Signal> b) { | |
852 | return strnatcasecmp(a->name().toStdString(), | |
853 | b->name().toStdString()) < 0; }); | |
854 | ||
855 | assert(decoder_stack_); | |
856 | const auto channel_iter = dec->channels().find(pdch); | |
857 | ||
858 | QComboBox *selector = new QComboBox(parent); | |
859 | ||
860 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
861 | ||
862 | if (channel_iter == dec->channels().end()) | |
863 | selector->setCurrentIndex(0); | |
864 | ||
865 | for (const shared_ptr<view::Signal> &s : sig_list) { | |
866 | assert(s); | |
867 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) { | |
868 | selector->addItem(s->name(), | |
869 | qVariantFromValue((void*)s.get())); | |
870 | ||
871 | if (channel_iter != dec->channels().end() && | |
872 | (*channel_iter).second == s) | |
873 | selector->setCurrentIndex( | |
874 | selector->count() - 1); | |
875 | } | |
876 | } | |
877 | ||
878 | return selector; | |
879 | } | |
880 | ||
881 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
882 | { | |
883 | assert(dec); | |
884 | ||
885 | map<const srd_channel*, shared_ptr<LogicSignal> > channel_map; | |
886 | ||
887 | const unordered_set< shared_ptr<Signal> > sigs(session_.signals()); | |
888 | ||
889 | for (const ChannelSelector &s : channel_selectors_) { | |
890 | if (s.decoder_ != dec) | |
891 | break; | |
892 | ||
893 | const LogicSignal *const selection = | |
894 | (LogicSignal*)s.combo_->itemData( | |
895 | s.combo_->currentIndex()).value<void*>(); | |
896 | ||
897 | for (shared_ptr<Signal> sig : sigs) | |
898 | if (sig.get() == selection) { | |
899 | channel_map[s.pdch_] = | |
900 | dynamic_pointer_cast<LogicSignal>(sig); | |
901 | break; | |
902 | } | |
903 | } | |
904 | ||
905 | dec->set_channels(channel_map); | |
906 | } | |
907 | ||
908 | void DecodeTrace::commit_channels() | |
909 | { | |
910 | assert(decoder_stack_); | |
911 | for (shared_ptr<data::decode::Decoder> dec : decoder_stack_->stack()) | |
912 | commit_decoder_channels(dec); | |
913 | ||
914 | decoder_stack_->begin_decode(); | |
915 | } | |
916 | ||
917 | void DecodeTrace::on_new_decode_data() | |
918 | { | |
919 | if (owner_) | |
920 | owner_->row_item_appearance_changed(false, true); | |
921 | } | |
922 | ||
923 | void DecodeTrace::delete_pressed() | |
924 | { | |
925 | on_delete(); | |
926 | } | |
927 | ||
928 | void DecodeTrace::on_delete() | |
929 | { | |
930 | session_.remove_decode_signal(this); | |
931 | } | |
932 | ||
933 | void DecodeTrace::on_channel_selected(int) | |
934 | { | |
935 | commit_channels(); | |
936 | } | |
937 | ||
938 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
939 | { | |
940 | assert(decoder); | |
941 | assert(decoder_stack_); | |
942 | decoder_stack_->push(shared_ptr<data::decode::Decoder>( | |
943 | new data::decode::Decoder(decoder))); | |
944 | decoder_stack_->begin_decode(); | |
945 | ||
946 | create_popup_form(); | |
947 | } | |
948 | ||
949 | void DecodeTrace::on_delete_decoder(int index) | |
950 | { | |
951 | decoder_stack_->remove(index); | |
952 | ||
953 | // Update the popup | |
954 | create_popup_form(); | |
955 | ||
956 | decoder_stack_->begin_decode(); | |
957 | } | |
958 | ||
959 | void DecodeTrace::on_show_hide_decoder(int index) | |
960 | { | |
961 | using pv::data::decode::Decoder; | |
962 | ||
963 | const list< shared_ptr<Decoder> > stack(decoder_stack_->stack()); | |
964 | ||
965 | // Find the decoder in the stack | |
966 | auto iter = stack.cbegin(); | |
967 | for (int i = 0; i < index; i++, iter++) | |
968 | assert(iter != stack.end()); | |
969 | ||
970 | shared_ptr<Decoder> dec = *iter; | |
971 | assert(dec); | |
972 | ||
973 | const bool show = !dec->shown(); | |
974 | dec->show(show); | |
975 | ||
976 | assert(index < (int)decoder_forms_.size()); | |
977 | decoder_forms_[index]->set_decoder_visible(show); | |
978 | ||
979 | if (owner_) | |
980 | owner_->row_item_appearance_changed(false, true); | |
981 | } | |
982 | ||
983 | } // namespace view | |
984 | } // namespace pv |