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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 | ||
26 | #include <extdef.h> | |
27 | ||
28 | #include <tuple> | |
29 | ||
30 | #include <boost/functional/hash.hpp> | |
31 | ||
32 | #include <QAction> | |
33 | #include <QApplication> | |
34 | #include <QComboBox> | |
35 | #include <QFormLayout> | |
36 | #include <QLabel> | |
37 | #include <QMenu> | |
38 | #include <QPushButton> | |
39 | #include <QToolTip> | |
40 | ||
41 | #include "decodetrace.hpp" | |
42 | ||
43 | #include <pv/data/decode/annotation.hpp> | |
44 | #include <pv/data/decode/decoder.hpp> | |
45 | #include <pv/data/decoderstack.hpp> | |
46 | #include <pv/data/logic.hpp> | |
47 | #include <pv/data/logicsegment.hpp> | |
48 | #include <pv/session.hpp> | |
49 | #include <pv/strnatcmp.hpp> | |
50 | #include <pv/view/view.hpp> | |
51 | #include <pv/view/viewport.hpp> | |
52 | #include <pv/widgets/decodergroupbox.hpp> | |
53 | #include <pv/widgets/decodermenu.hpp> | |
54 | ||
55 | using std::all_of; | |
56 | using std::list; | |
57 | using std::make_pair; | |
58 | using std::max; | |
59 | using std::make_pair; | |
60 | using std::map; | |
61 | using std::min; | |
62 | using std::out_of_range; | |
63 | using std::pair; | |
64 | using std::shared_ptr; | |
65 | using std::make_shared; | |
66 | using std::tie; | |
67 | using std::unordered_set; | |
68 | using std::vector; | |
69 | ||
70 | namespace pv { | |
71 | namespace views { | |
72 | namespace TraceView { | |
73 | ||
74 | const QColor DecodeTrace::DecodeColours[4] = { | |
75 | QColor(0xEF, 0x29, 0x29), // Red | |
76 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
77 | QColor(0x8A, 0xE2, 0x34), // Green | |
78 | QColor(0x72, 0x9F, 0xCF) // Blue | |
79 | }; | |
80 | ||
81 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
82 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
83 | ||
84 | const int DecodeTrace::ArrowSize = 4; | |
85 | const double DecodeTrace::EndCapWidth = 5; | |
86 | const int DecodeTrace::RowTitleMargin = 10; | |
87 | const int DecodeTrace::DrawPadding = 100; | |
88 | ||
89 | const QColor DecodeTrace::Colours[16] = { | |
90 | QColor(0xEF, 0x29, 0x29), | |
91 | QColor(0xF6, 0x6A, 0x32), | |
92 | QColor(0xFC, 0xAE, 0x3E), | |
93 | QColor(0xFB, 0xCA, 0x47), | |
94 | QColor(0xFC, 0xE9, 0x4F), | |
95 | QColor(0xCD, 0xF0, 0x40), | |
96 | QColor(0x8A, 0xE2, 0x34), | |
97 | QColor(0x4E, 0xDC, 0x44), | |
98 | QColor(0x55, 0xD7, 0x95), | |
99 | QColor(0x64, 0xD1, 0xD2), | |
100 | QColor(0x72, 0x9F, 0xCF), | |
101 | QColor(0xD4, 0x76, 0xC4), | |
102 | QColor(0x9D, 0x79, 0xB9), | |
103 | QColor(0xAD, 0x7F, 0xA8), | |
104 | QColor(0xC2, 0x62, 0x9B), | |
105 | QColor(0xD7, 0x47, 0x6F) | |
106 | }; | |
107 | ||
108 | const QColor DecodeTrace::OutlineColours[16] = { | |
109 | QColor(0x77, 0x14, 0x14), | |
110 | QColor(0x7B, 0x35, 0x19), | |
111 | QColor(0x7E, 0x57, 0x1F), | |
112 | QColor(0x7D, 0x65, 0x23), | |
113 | QColor(0x7E, 0x74, 0x27), | |
114 | QColor(0x66, 0x78, 0x20), | |
115 | QColor(0x45, 0x71, 0x1A), | |
116 | QColor(0x27, 0x6E, 0x22), | |
117 | QColor(0x2A, 0x6B, 0x4A), | |
118 | QColor(0x32, 0x68, 0x69), | |
119 | QColor(0x39, 0x4F, 0x67), | |
120 | QColor(0x6A, 0x3B, 0x62), | |
121 | QColor(0x4E, 0x3C, 0x5C), | |
122 | QColor(0x56, 0x3F, 0x54), | |
123 | QColor(0x61, 0x31, 0x4D), | |
124 | QColor(0x6B, 0x23, 0x37) | |
125 | }; | |
126 | ||
127 | DecodeTrace::DecodeTrace(pv::Session &session, | |
128 | shared_ptr<data::SignalBase> signalbase, int index) : | |
129 | Trace(signalbase), | |
130 | session_(session), | |
131 | row_height_(0), | |
132 | max_visible_rows_(0), | |
133 | delete_mapper_(this), | |
134 | show_hide_mapper_(this) | |
135 | { | |
136 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
137 | ||
138 | // Determine shortest string we want to see displayed in full | |
139 | QFontMetrics m(QApplication::font()); | |
140 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
141 | ||
142 | base_->set_name(QString::fromUtf8(decoder_stack->stack().front()->decoder()->name)); | |
143 | base_->set_colour(DecodeColours[index % countof(DecodeColours)]); | |
144 | ||
145 | connect(decoder_stack.get(), SIGNAL(new_decode_data()), | |
146 | this, SLOT(on_new_decode_data())); | |
147 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
148 | this, SLOT(on_delete_decoder(int))); | |
149 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
150 | this, SLOT(on_show_hide_decoder(int))); | |
151 | } | |
152 | ||
153 | bool DecodeTrace::enabled() const | |
154 | { | |
155 | return true; | |
156 | } | |
157 | ||
158 | shared_ptr<data::SignalBase> DecodeTrace::base() const | |
159 | { | |
160 | return base_; | |
161 | } | |
162 | ||
163 | pair<int, int> DecodeTrace::v_extents() const | |
164 | { | |
165 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
166 | ||
167 | // Make an empty decode trace appear symmetrical | |
168 | const int row_count = max(1, max_visible_rows_); | |
169 | ||
170 | return make_pair(-row_height, row_height * row_count); | |
171 | } | |
172 | ||
173 | void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
174 | { | |
175 | Trace::paint_back(p, pp); | |
176 | paint_axis(p, pp, get_visual_y()); | |
177 | } | |
178 | ||
179 | void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
180 | { | |
181 | using namespace pv::data::decode; | |
182 | ||
183 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
184 | ||
185 | const int text_height = ViewItemPaintParams::text_height(); | |
186 | row_height_ = (text_height * 6) / 4; | |
187 | const int annotation_height = (text_height * 5) / 4; | |
188 | ||
189 | assert(decoder_stack); | |
190 | const QString err = decoder_stack->error_message(); | |
191 | if (!err.isEmpty()) { | |
192 | draw_unresolved_period( | |
193 | p, annotation_height, pp.left(), pp.right()); | |
194 | draw_error(p, err, pp); | |
195 | return; | |
196 | } | |
197 | ||
198 | // Set default pen to allow for text width calculation | |
199 | p.setPen(Qt::black); | |
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 | const vector<Row> rows(decoder_stack->get_visible_rows()); | |
207 | ||
208 | visible_rows_.clear(); | |
209 | for (const Row& row : rows) { | |
210 | // Cache the row title widths | |
211 | int row_title_width; | |
212 | try { | |
213 | row_title_width = row_title_widths_.at(row); | |
214 | } catch (out_of_range) { | |
215 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
216 | RowTitleMargin; | |
217 | row_title_widths_[row] = w; | |
218 | row_title_width = w; | |
219 | } | |
220 | ||
221 | // Determine the row's color | |
222 | size_t base_colour = 0x13579BDF; | |
223 | boost::hash_combine(base_colour, this); | |
224 | boost::hash_combine(base_colour, row.decoder()); | |
225 | boost::hash_combine(base_colour, row.row()); | |
226 | base_colour >>= 16; | |
227 | ||
228 | vector<Annotation> annotations; | |
229 | decoder_stack->get_annotation_subset(annotations, row, | |
230 | sample_range.first, sample_range.second); | |
231 | if (!annotations.empty()) { | |
232 | draw_annotations(annotations, p, annotation_height, pp, y, | |
233 | base_colour, row_title_width); | |
234 | ||
235 | y += row_height_; | |
236 | ||
237 | visible_rows_.push_back(row); | |
238 | } | |
239 | } | |
240 | ||
241 | // Draw the hatching | |
242 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
243 | ||
244 | if ((int)visible_rows_.size() > max_visible_rows_) | |
245 | owner_->extents_changed(false, true); | |
246 | ||
247 | // Update the maximum row count if needed | |
248 | max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size()); | |
249 | } | |
250 | ||
251 | void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
252 | { | |
253 | using namespace pv::data::decode; | |
254 | ||
255 | assert(row_height_); | |
256 | ||
257 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
258 | const int y = i * row_height_ + get_visual_y(); | |
259 | ||
260 | p.setPen(QPen(Qt::NoPen)); | |
261 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
262 | ||
263 | if (i != 0) { | |
264 | const QPointF points[] = { | |
265 | QPointF(pp.left(), y - ArrowSize), | |
266 | QPointF(pp.left() + ArrowSize, y), | |
267 | QPointF(pp.left(), y + ArrowSize) | |
268 | }; | |
269 | p.drawPolygon(points, countof(points)); | |
270 | } | |
271 | ||
272 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
273 | pp.right() - pp.left(), row_height_); | |
274 | const QString h(visible_rows_[i].title()); | |
275 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
276 | Qt::TextDontClip; | |
277 | ||
278 | // Draw the outline | |
279 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
280 | for (int dx = -1; dx <= 1; dx++) | |
281 | for (int dy = -1; dy <= 1; dy++) | |
282 | if (dx != 0 && dy != 0) | |
283 | p.drawText(r.translated(dx, dy), f, h); | |
284 | ||
285 | // Draw the text | |
286 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
287 | p.drawText(r, f, h); | |
288 | } | |
289 | } | |
290 | ||
291 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
292 | { | |
293 | using pv::data::decode::Decoder; | |
294 | ||
295 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
296 | ||
297 | assert(form); | |
298 | assert(parent); | |
299 | assert(decoder_stack); | |
300 | ||
301 | // Add the standard options | |
302 | Trace::populate_popup_form(parent, form); | |
303 | ||
304 | // Add the decoder options | |
305 | bindings_.clear(); | |
306 | channel_selectors_.clear(); | |
307 | decoder_forms_.clear(); | |
308 | ||
309 | const list< shared_ptr<Decoder> >& stack = decoder_stack->stack(); | |
310 | ||
311 | if (stack.empty()) { | |
312 | QLabel *const l = new QLabel( | |
313 | tr("<p><i>No decoders in the stack</i></p>")); | |
314 | l->setAlignment(Qt::AlignCenter); | |
315 | form->addRow(l); | |
316 | } else { | |
317 | auto iter = stack.cbegin(); | |
318 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
319 | shared_ptr<Decoder> dec(*iter); | |
320 | create_decoder_form(i, dec, parent, form); | |
321 | } | |
322 | ||
323 | form->addRow(new QLabel( | |
324 | tr("<i>* Required channels</i>"), parent)); | |
325 | } | |
326 | ||
327 | // Add stacking button | |
328 | pv::widgets::DecoderMenu *const decoder_menu = | |
329 | new pv::widgets::DecoderMenu(parent); | |
330 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
331 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
332 | ||
333 | QPushButton *const stack_button = | |
334 | new QPushButton(tr("Stack Decoder"), parent); | |
335 | stack_button->setMenu(decoder_menu); | |
336 | stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one")); | |
337 | ||
338 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
339 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
340 | form->addRow(stack_button_box); | |
341 | } | |
342 | ||
343 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
344 | { | |
345 | QMenu *const menu = Trace::create_context_menu(parent); | |
346 | ||
347 | menu->addSeparator(); | |
348 | ||
349 | QAction *const del = new QAction(tr("Delete"), this); | |
350 | del->setShortcuts(QKeySequence::Delete); | |
351 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
352 | menu->addAction(del); | |
353 | ||
354 | return menu; | |
355 | } | |
356 | ||
357 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
358 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
359 | size_t base_colour, int row_title_width) | |
360 | { | |
361 | using namespace pv::data::decode; | |
362 | ||
363 | vector<Annotation> a_block; | |
364 | int p_end = INT_MIN; | |
365 | ||
366 | double samples_per_pixel, pixels_offset; | |
367 | tie(pixels_offset, samples_per_pixel) = | |
368 | get_pixels_offset_samples_per_pixel(); | |
369 | ||
370 | // Sort the annotations by start sample so that decoders | |
371 | // can't confuse us by creating annotations out of order | |
372 | stable_sort(annotations.begin(), annotations.end(), | |
373 | [](const Annotation &a, const Annotation &b) { | |
374 | return a.start_sample() < b.start_sample(); }); | |
375 | ||
376 | // Gather all annotations that form a visual "block" and draw them as such | |
377 | for (const Annotation &a : annotations) { | |
378 | ||
379 | const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; | |
380 | const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; | |
381 | const int a_width = a_end - a_start; | |
382 | ||
383 | const int delta = a_end - p_end; | |
384 | ||
385 | bool a_is_separate = false; | |
386 | ||
387 | // Annotation wider than the threshold for a useful label width? | |
388 | if (a_width >= min_useful_label_width_) { | |
389 | for (const QString &ann_text : a.annotations()) { | |
390 | const int w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
391 | // Annotation wide enough to fit a label? Don't put it in a block then | |
392 | if (w <= a_width) { | |
393 | a_is_separate = true; | |
394 | break; | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
399 | // Were the previous and this annotation more than a pixel apart? | |
400 | if ((abs(delta) > 1) || a_is_separate) { | |
401 | // Block was broken, draw annotations that form the current block | |
402 | if (a_block.size() == 1) { | |
403 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
404 | row_title_width); | |
405 | } | |
406 | else | |
407 | draw_annotation_block(a_block, p, h, y, base_colour); | |
408 | ||
409 | a_block.clear(); | |
410 | } | |
411 | ||
412 | if (a_is_separate) { | |
413 | draw_annotation(a, p, h, pp, y, base_colour, row_title_width); | |
414 | // Next annotation must start a new block. delta will be > 1 | |
415 | // because we set p_end to INT_MIN but that's okay since | |
416 | // a_block will be empty, so nothing will be drawn | |
417 | p_end = INT_MIN; | |
418 | } else { | |
419 | a_block.push_back(a); | |
420 | p_end = a_end; | |
421 | } | |
422 | } | |
423 | ||
424 | if (a_block.size() == 1) | |
425 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
426 | row_title_width); | |
427 | else | |
428 | draw_annotation_block(a_block, p, h, y, base_colour); | |
429 | } | |
430 | ||
431 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
432 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
433 | size_t base_colour, int row_title_width) const | |
434 | { | |
435 | double samples_per_pixel, pixels_offset; | |
436 | tie(pixels_offset, samples_per_pixel) = | |
437 | get_pixels_offset_samples_per_pixel(); | |
438 | ||
439 | const double start = a.start_sample() / samples_per_pixel - | |
440 | pixels_offset; | |
441 | const double end = a.end_sample() / samples_per_pixel - pixels_offset; | |
442 | ||
443 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
444 | p.setPen(OutlineColours[colour]); | |
445 | p.setBrush(Colours[colour]); | |
446 | ||
447 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
448 | return; | |
449 | ||
450 | if (a.start_sample() == a.end_sample()) | |
451 | draw_instant(a, p, h, start, y); | |
452 | else | |
453 | draw_range(a, p, h, start, end, y, pp, row_title_width); | |
454 | } | |
455 | ||
456 | void DecodeTrace::draw_annotation_block( | |
457 | vector<pv::data::decode::Annotation> annotations, QPainter &p, int h, | |
458 | int y, size_t base_colour) const | |
459 | { | |
460 | using namespace pv::data::decode; | |
461 | ||
462 | if (annotations.empty()) | |
463 | return; | |
464 | ||
465 | double samples_per_pixel, pixels_offset; | |
466 | tie(pixels_offset, samples_per_pixel) = | |
467 | get_pixels_offset_samples_per_pixel(); | |
468 | ||
469 | const double start = annotations.front().start_sample() / | |
470 | samples_per_pixel - pixels_offset; | |
471 | const double end = annotations.back().end_sample() / | |
472 | samples_per_pixel - pixels_offset; | |
473 | ||
474 | const double top = y + .5 - h / 2; | |
475 | const double bottom = y + .5 + h / 2; | |
476 | ||
477 | const size_t colour = (base_colour + annotations.front().format()) % | |
478 | countof(Colours); | |
479 | ||
480 | // Check if all annotations are of the same type (i.e. we can use one color) | |
481 | // or if we should use a neutral color (i.e. gray) | |
482 | const int format = annotations.front().format(); | |
483 | const bool single_format = all_of( | |
484 | annotations.begin(), annotations.end(), | |
485 | [&](const Annotation &a) { return a.format() == format; }); | |
486 | ||
487 | const QRectF rect(start, top, end - start, bottom - top); | |
488 | const int r = h / 4; | |
489 | ||
490 | p.setPen(QPen(Qt::NoPen)); | |
491 | p.setBrush(Qt::white); | |
492 | p.drawRoundedRect(rect, r, r); | |
493 | ||
494 | p.setPen((single_format ? OutlineColours[colour] : Qt::gray)); | |
495 | p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray), | |
496 | Qt::Dense4Pattern)); | |
497 | p.drawRoundedRect(rect, r, r); | |
498 | } | |
499 | ||
500 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
501 | int h, double x, int y) const | |
502 | { | |
503 | const QString text = a.annotations().empty() ? | |
504 | QString() : a.annotations().back(); | |
505 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
506 | 0.0) + h; | |
507 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
508 | ||
509 | p.drawRoundedRect(rect, h / 2, h / 2); | |
510 | ||
511 | p.setPen(Qt::black); | |
512 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
513 | } | |
514 | ||
515 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
516 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
517 | int row_title_width) const | |
518 | { | |
519 | const double top = y + .5 - h / 2; | |
520 | const double bottom = y + .5 + h / 2; | |
521 | const vector<QString> annotations = a.annotations(); | |
522 | ||
523 | // If the two ends are within 1 pixel, draw a vertical line | |
524 | if (start + 1.0 > end) { | |
525 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
526 | return; | |
527 | } | |
528 | ||
529 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
530 | ||
531 | QPointF pts[] = { | |
532 | QPointF(start, y + .5f), | |
533 | QPointF(start + cap_width, top), | |
534 | QPointF(end - cap_width, top), | |
535 | QPointF(end, y + .5f), | |
536 | QPointF(end - cap_width, bottom), | |
537 | QPointF(start + cap_width, bottom) | |
538 | }; | |
539 | ||
540 | p.drawConvexPolygon(pts, countof(pts)); | |
541 | ||
542 | if (annotations.empty()) | |
543 | return; | |
544 | ||
545 | const int ann_start = start + cap_width; | |
546 | const int ann_end = end - cap_width; | |
547 | ||
548 | const int real_start = max(ann_start, pp.left() + row_title_width); | |
549 | const int real_end = min(ann_end, pp.right()); | |
550 | const int real_width = real_end - real_start; | |
551 | ||
552 | QRectF rect(real_start, y - h / 2, real_width, h); | |
553 | if (rect.width() <= 4) | |
554 | return; | |
555 | ||
556 | p.setPen(Qt::black); | |
557 | ||
558 | // Try to find an annotation that will fit | |
559 | QString best_annotation; | |
560 | int best_width = 0; | |
561 | ||
562 | for (const QString &a : annotations) { | |
563 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
564 | if (w <= rect.width() && w > best_width) | |
565 | best_annotation = a, best_width = w; | |
566 | } | |
567 | ||
568 | if (best_annotation.isEmpty()) | |
569 | best_annotation = annotations.back(); | |
570 | ||
571 | // If not ellide the last in the list | |
572 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
573 | best_annotation, Qt::ElideRight, rect.width())); | |
574 | } | |
575 | ||
576 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
577 | const ViewItemPaintParams &pp) | |
578 | { | |
579 | const int y = get_visual_y(); | |
580 | ||
581 | p.setPen(ErrorBgColour.darker()); | |
582 | p.setBrush(ErrorBgColour); | |
583 | ||
584 | const QRectF bounding_rect = | |
585 | QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX); | |
586 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
587 | Qt::AlignCenter, message); | |
588 | const float r = text_rect.height() / 4; | |
589 | ||
590 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
591 | Qt::AbsoluteSize); | |
592 | ||
593 | p.setPen(Qt::black); | |
594 | p.drawText(text_rect, message); | |
595 | } | |
596 | ||
597 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
598 | int right) const | |
599 | { | |
600 | using namespace pv::data; | |
601 | using pv::data::decode::Decoder; | |
602 | ||
603 | double samples_per_pixel, pixels_offset; | |
604 | ||
605 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
606 | ||
607 | assert(decoder_stack); | |
608 | ||
609 | shared_ptr<Logic> data; | |
610 | shared_ptr<data::SignalBase> signalbase; | |
611 | ||
612 | const list< shared_ptr<Decoder> > &stack = decoder_stack->stack(); | |
613 | ||
614 | // We get the logic data of the first channel in the list. | |
615 | // This works because we are currently assuming all | |
616 | // LogicSignals have the same data/segment | |
617 | for (const shared_ptr<Decoder> &dec : stack) | |
618 | if (dec && !dec->channels().empty() && | |
619 | ((signalbase = (*dec->channels().begin()).second)) && | |
620 | ((data = signalbase->logic_data()))) | |
621 | break; | |
622 | ||
623 | if (!data || data->logic_segments().empty()) | |
624 | return; | |
625 | ||
626 | const shared_ptr<LogicSegment> segment = data->logic_segments().front(); | |
627 | assert(segment); | |
628 | const int64_t sample_count = (int64_t)segment->get_sample_count(); | |
629 | if (sample_count == 0) | |
630 | return; | |
631 | ||
632 | const int64_t samples_decoded = decoder_stack->samples_decoded(); | |
633 | if (sample_count == samples_decoded) | |
634 | return; | |
635 | ||
636 | const int y = get_visual_y(); | |
637 | ||
638 | tie(pixels_offset, samples_per_pixel) = | |
639 | get_pixels_offset_samples_per_pixel(); | |
640 | ||
641 | const double start = max(samples_decoded / | |
642 | samples_per_pixel - pixels_offset, left - 1.0); | |
643 | const double end = min(sample_count / samples_per_pixel - | |
644 | pixels_offset, right + 1.0); | |
645 | const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h); | |
646 | ||
647 | p.setPen(QPen(Qt::NoPen)); | |
648 | p.setBrush(Qt::white); | |
649 | p.drawRect(no_decode_rect); | |
650 | ||
651 | p.setPen(NoDecodeColour); | |
652 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
653 | p.drawRect(no_decode_rect); | |
654 | } | |
655 | ||
656 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
657 | { | |
658 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
659 | ||
660 | assert(owner_); | |
661 | assert(decoder_stack); | |
662 | ||
663 | const View *view = owner_->view(); | |
664 | assert(view); | |
665 | ||
666 | const double scale = view->scale(); | |
667 | assert(scale > 0); | |
668 | ||
669 | const double pixels_offset = | |
670 | ((view->offset() - decoder_stack->start_time()) / scale).convert_to<double>(); | |
671 | ||
672 | double samplerate = decoder_stack->samplerate(); | |
673 | ||
674 | // Show sample rate as 1Hz when it is unknown | |
675 | if (samplerate == 0.0) | |
676 | samplerate = 1.0; | |
677 | ||
678 | return make_pair(pixels_offset, samplerate * scale); | |
679 | } | |
680 | ||
681 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
682 | int x_start, int x_end) const | |
683 | { | |
684 | double samples_per_pixel, pixels_offset; | |
685 | tie(pixels_offset, samples_per_pixel) = | |
686 | get_pixels_offset_samples_per_pixel(); | |
687 | ||
688 | const uint64_t start = (uint64_t)max( | |
689 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
690 | const uint64_t end = (uint64_t)max( | |
691 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
692 | ||
693 | return make_pair(start, end); | |
694 | } | |
695 | ||
696 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
697 | { | |
698 | if (!row_height_) | |
699 | return -1; | |
700 | ||
701 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
702 | ||
703 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
704 | if (y < 0) | |
705 | return -1; | |
706 | ||
707 | const int row = y / row_height_; | |
708 | ||
709 | if (row >= (int)visible_rows_.size()) | |
710 | return -1; | |
711 | ||
712 | return row; | |
713 | } | |
714 | ||
715 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
716 | { | |
717 | using namespace pv::data::decode; | |
718 | ||
719 | if (!enabled()) | |
720 | return QString(); | |
721 | ||
722 | const pair<uint64_t, uint64_t> sample_range = | |
723 | get_sample_range(point.x(), point.x() + 1); | |
724 | const int row = get_row_at_point(point); | |
725 | if (row < 0) | |
726 | return QString(); | |
727 | ||
728 | vector<pv::data::decode::Annotation> annotations; | |
729 | ||
730 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
731 | ||
732 | assert(decoder_stack); | |
733 | decoder_stack->get_annotation_subset(annotations, visible_rows_[row], | |
734 | sample_range.first, sample_range.second); | |
735 | ||
736 | return (annotations.empty()) ? | |
737 | QString() : annotations[0].annotations().front(); | |
738 | } | |
739 | ||
740 | void DecodeTrace::hover_point_changed() | |
741 | { | |
742 | assert(owner_); | |
743 | ||
744 | const View *const view = owner_->view(); | |
745 | assert(view); | |
746 | ||
747 | QPoint hp = view->hover_point(); | |
748 | QString ann = get_annotation_at_point(hp); | |
749 | ||
750 | assert(view); | |
751 | ||
752 | if (!row_height_ || ann.isEmpty()) { | |
753 | QToolTip::hideText(); | |
754 | return; | |
755 | } | |
756 | ||
757 | const int hover_row = get_row_at_point(hp); | |
758 | ||
759 | QFontMetrics m(QToolTip::font()); | |
760 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
761 | ||
762 | // This is OS-specific and unfortunately we can't query it, so | |
763 | // use an approximation to at least try to minimize the error. | |
764 | const int padding = 8; | |
765 | ||
766 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
767 | // If it did, the tool tip would constantly hide and re-appear. | |
768 | // We also push it up by one row so that it appears above the | |
769 | // decode trace, not below. | |
770 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
771 | ||
772 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
773 | (hover_row * row_height_) - | |
774 | row_height_ - text_size.height() - padding); | |
775 | ||
776 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
777 | } | |
778 | ||
779 | void DecodeTrace::create_decoder_form(int index, | |
780 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
781 | QFormLayout *form) | |
782 | { | |
783 | const GSList *l; | |
784 | ||
785 | assert(dec); | |
786 | const srd_decoder *const decoder = dec->decoder(); | |
787 | assert(decoder); | |
788 | ||
789 | const bool decoder_deletable = index > 0; | |
790 | ||
791 | pv::widgets::DecoderGroupBox *const group = | |
792 | new pv::widgets::DecoderGroupBox( | |
793 | QString::fromUtf8(decoder->name), | |
794 | tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname), | |
795 | QString::fromUtf8(decoder->desc)), | |
796 | nullptr, decoder_deletable); | |
797 | group->set_decoder_visible(dec->shown()); | |
798 | ||
799 | if (decoder_deletable) { | |
800 | delete_mapper_.setMapping(group, index); | |
801 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
802 | } | |
803 | ||
804 | show_hide_mapper_.setMapping(group, index); | |
805 | connect(group, SIGNAL(show_hide_decoder()), | |
806 | &show_hide_mapper_, SLOT(map())); | |
807 | ||
808 | QFormLayout *const decoder_form = new QFormLayout; | |
809 | group->add_layout(decoder_form); | |
810 | ||
811 | // Add the mandatory channels | |
812 | for (l = decoder->channels; l; l = l->next) { | |
813 | const struct srd_channel *const pdch = | |
814 | (struct srd_channel *)l->data; | |
815 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
816 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
817 | this, SLOT(on_channel_selected(int))); | |
818 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
819 | .arg(QString::fromUtf8(pdch->name), | |
820 | QString::fromUtf8(pdch->desc)), combo); | |
821 | ||
822 | const ChannelSelector s = {combo, dec, pdch}; | |
823 | channel_selectors_.push_back(s); | |
824 | } | |
825 | ||
826 | // Add the optional channels | |
827 | for (l = decoder->opt_channels; l; l = l->next) { | |
828 | const struct srd_channel *const pdch = | |
829 | (struct srd_channel *)l->data; | |
830 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
831 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
832 | this, SLOT(on_channel_selected(int))); | |
833 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
834 | .arg(QString::fromUtf8(pdch->name), | |
835 | QString::fromUtf8(pdch->desc)), combo); | |
836 | ||
837 | const ChannelSelector s = {combo, dec, pdch}; | |
838 | channel_selectors_.push_back(s); | |
839 | } | |
840 | ||
841 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
842 | ||
843 | // Add the options | |
844 | shared_ptr<binding::Decoder> binding( | |
845 | new binding::Decoder(decoder_stack, dec)); | |
846 | binding->add_properties_to_form(decoder_form, true); | |
847 | ||
848 | bindings_.push_back(binding); | |
849 | ||
850 | form->addRow(group); | |
851 | decoder_forms_.push_back(group); | |
852 | } | |
853 | ||
854 | QComboBox* DecodeTrace::create_channel_selector( | |
855 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
856 | const srd_channel *const pdch) | |
857 | { | |
858 | assert(dec); | |
859 | ||
860 | const auto sigs(session_.signalbases()); | |
861 | ||
862 | vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end()); | |
863 | sort(sig_list.begin(), sig_list.end(), | |
864 | [](const shared_ptr<data::SignalBase> &a, | |
865 | const shared_ptr<data::SignalBase> &b) { | |
866 | return strnatcasecmp(a->name().toStdString(), | |
867 | b->name().toStdString()) < 0; }); | |
868 | ||
869 | const auto channel_iter = dec->channels().find(pdch); | |
870 | ||
871 | QComboBox *selector = new QComboBox(parent); | |
872 | ||
873 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
874 | ||
875 | if (channel_iter == dec->channels().end()) | |
876 | selector->setCurrentIndex(0); | |
877 | ||
878 | for (const shared_ptr<data::SignalBase> &b : sig_list) { | |
879 | assert(b); | |
880 | if (b->logic_data() && b->enabled()) { | |
881 | selector->addItem(b->name(), | |
882 | qVariantFromValue((void*)b.get())); | |
883 | ||
884 | if (channel_iter != dec->channels().end() && | |
885 | (*channel_iter).second == b) | |
886 | selector->setCurrentIndex( | |
887 | selector->count() - 1); | |
888 | } | |
889 | } | |
890 | ||
891 | return selector; | |
892 | } | |
893 | ||
894 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
895 | { | |
896 | assert(dec); | |
897 | ||
898 | map<const srd_channel*, shared_ptr<data::SignalBase> > channel_map; | |
899 | ||
900 | const unordered_set< shared_ptr<data::SignalBase> > | |
901 | sigs(session_.signalbases()); | |
902 | ||
903 | for (const ChannelSelector &s : channel_selectors_) { | |
904 | if (s.decoder_ != dec) | |
905 | break; | |
906 | ||
907 | const data::SignalBase *const selection = | |
908 | (data::SignalBase*)s.combo_->itemData( | |
909 | s.combo_->currentIndex()).value<void*>(); | |
910 | ||
911 | for (shared_ptr<data::SignalBase> sig : sigs) | |
912 | if (sig.get() == selection) { | |
913 | channel_map[s.pdch_] = sig; | |
914 | break; | |
915 | } | |
916 | } | |
917 | ||
918 | dec->set_channels(channel_map); | |
919 | } | |
920 | ||
921 | void DecodeTrace::commit_channels() | |
922 | { | |
923 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
924 | ||
925 | assert(decoder_stack); | |
926 | for (shared_ptr<data::decode::Decoder> dec : decoder_stack->stack()) | |
927 | commit_decoder_channels(dec); | |
928 | ||
929 | decoder_stack->begin_decode(); | |
930 | } | |
931 | ||
932 | void DecodeTrace::on_new_decode_data() | |
933 | { | |
934 | if (owner_) | |
935 | owner_->row_item_appearance_changed(false, true); | |
936 | } | |
937 | ||
938 | void DecodeTrace::delete_pressed() | |
939 | { | |
940 | on_delete(); | |
941 | } | |
942 | ||
943 | void DecodeTrace::on_delete() | |
944 | { | |
945 | session_.remove_decode_signal(base_); | |
946 | } | |
947 | ||
948 | void DecodeTrace::on_channel_selected(int) | |
949 | { | |
950 | commit_channels(); | |
951 | } | |
952 | ||
953 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
954 | { | |
955 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
956 | ||
957 | assert(decoder); | |
958 | assert(decoder_stack); | |
959 | decoder_stack->push(make_shared<data::decode::Decoder>(decoder)); | |
960 | decoder_stack->begin_decode(); | |
961 | ||
962 | create_popup_form(); | |
963 | } | |
964 | ||
965 | void DecodeTrace::on_delete_decoder(int index) | |
966 | { | |
967 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
968 | ||
969 | decoder_stack->remove(index); | |
970 | ||
971 | // Update the popup | |
972 | create_popup_form(); | |
973 | ||
974 | decoder_stack->begin_decode(); | |
975 | } | |
976 | ||
977 | void DecodeTrace::on_show_hide_decoder(int index) | |
978 | { | |
979 | using pv::data::decode::Decoder; | |
980 | ||
981 | shared_ptr<pv::data::DecoderStack> decoder_stack = base_->decoder_stack(); | |
982 | ||
983 | const list< shared_ptr<Decoder> > stack(decoder_stack->stack()); | |
984 | ||
985 | // Find the decoder in the stack | |
986 | auto iter = stack.cbegin(); | |
987 | for (int i = 0; i < index; i++, iter++) | |
988 | assert(iter != stack.end()); | |
989 | ||
990 | shared_ptr<Decoder> dec = *iter; | |
991 | assert(dec); | |
992 | ||
993 | const bool show = !dec->shown(); | |
994 | dec->show(show); | |
995 | ||
996 | assert(index < (int)decoder_forms_.size()); | |
997 | decoder_forms_[index]->set_decoder_visible(show); | |
998 | ||
999 | if (owner_) | |
1000 | owner_->row_item_appearance_changed(false, true); | |
1001 | } | |
1002 | ||
1003 | } // namespace TraceView | |
1004 | } // namespace views | |
1005 | } // namespace pv |