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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 | ||
33 | #include <QAction> | |
34 | #include <QApplication> | |
35 | #include <QComboBox> | |
36 | #include <QFormLayout> | |
37 | #include <QLabel> | |
38 | #include <QMenu> | |
39 | #include <QPushButton> | |
40 | #include <QToolTip> | |
41 | ||
42 | #include "decodetrace.hpp" | |
43 | ||
44 | #include <pv/session.hpp> | |
45 | #include <pv/data/decoderstack.hpp> | |
46 | #include <pv/data/decode/decoder.hpp> | |
47 | #include <pv/data/logic.hpp> | |
48 | #include <pv/data/logicsegment.hpp> | |
49 | #include <pv/data/decode/annotation.hpp> | |
50 | #include <pv/view/logicsignal.hpp> | |
51 | #include <pv/view/view.hpp> | |
52 | #include <pv/view/viewport.hpp> | |
53 | #include <pv/widgets/decodergroupbox.hpp> | |
54 | #include <pv/widgets/decodermenu.hpp> | |
55 | ||
56 | using boost::shared_lock; | |
57 | using boost::shared_mutex; | |
58 | using std::dynamic_pointer_cast; | |
59 | using std::list; | |
60 | using std::lock_guard; | |
61 | using std::make_pair; | |
62 | using std::max; | |
63 | using std::make_pair; | |
64 | using std::map; | |
65 | using std::min; | |
66 | using std::pair; | |
67 | using std::shared_ptr; | |
68 | using std::tie; | |
69 | using std::unordered_set; | |
70 | using std::vector; | |
71 | ||
72 | namespace pv { | |
73 | namespace view { | |
74 | ||
75 | const QColor DecodeTrace::DecodeColours[4] = { | |
76 | QColor(0xEF, 0x29, 0x29), // Red | |
77 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
78 | QColor(0x8A, 0xE2, 0x34), // Green | |
79 | QColor(0x72, 0x9F, 0xCF) // Blue | |
80 | }; | |
81 | ||
82 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
83 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
84 | ||
85 | const int DecodeTrace::ArrowSize = 4; | |
86 | const double DecodeTrace::EndCapWidth = 5; | |
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 | std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) : | |
129 | Trace(QString::fromUtf8( | |
130 | decoder_stack->stack().front()->decoder()->name)), | |
131 | session_(session), | |
132 | decoder_stack_(decoder_stack), | |
133 | row_height_(0), | |
134 | delete_mapper_(this), | |
135 | show_hide_mapper_(this) | |
136 | { | |
137 | assert(decoder_stack_); | |
138 | ||
139 | colour_ = DecodeColours[index % countof(DecodeColours)]; | |
140 | ||
141 | connect(decoder_stack_.get(), SIGNAL(new_decode_data()), | |
142 | this, SLOT(on_new_decode_data())); | |
143 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
144 | this, SLOT(on_delete_decoder(int))); | |
145 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
146 | this, SLOT(on_show_hide_decoder(int))); | |
147 | } | |
148 | ||
149 | bool DecodeTrace::enabled() const | |
150 | { | |
151 | return true; | |
152 | } | |
153 | ||
154 | const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const | |
155 | { | |
156 | return decoder_stack_; | |
157 | } | |
158 | ||
159 | pair<int, int> DecodeTrace::v_extents() const | |
160 | { | |
161 | /// @todo Replace this with an implementation that knows the true | |
162 | /// height of the trace | |
163 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
164 | return make_pair(-row_height / 2, row_height * 7 / 2); | |
165 | } | |
166 | ||
167 | void DecodeTrace::paint_back(QPainter &p, const ViewItemPaintParams &pp) | |
168 | { | |
169 | Trace::paint_back(p, pp); | |
170 | paint_axis(p, pp, get_visual_y()); | |
171 | } | |
172 | ||
173 | void DecodeTrace::paint_mid(QPainter &p, const ViewItemPaintParams &pp) | |
174 | { | |
175 | using namespace pv::data::decode; | |
176 | ||
177 | const int text_height = ViewItemPaintParams::text_height(); | |
178 | row_height_ = (text_height * 6) / 4; | |
179 | const int annotation_height = (text_height * 5) / 4; | |
180 | ||
181 | assert(decoder_stack_); | |
182 | const QString err = decoder_stack_->error_message(); | |
183 | if (!err.isEmpty()) | |
184 | { | |
185 | draw_unresolved_period( | |
186 | p, annotation_height, pp.left(), pp.right()); | |
187 | draw_error(p, err, pp); | |
188 | return; | |
189 | } | |
190 | ||
191 | // Iterate through the rows | |
192 | int y = get_visual_y(); | |
193 | pair<uint64_t, uint64_t> sample_range = get_sample_range( | |
194 | pp.left(), pp.right()); | |
195 | ||
196 | assert(decoder_stack_); | |
197 | const vector<Row> rows(decoder_stack_->get_visible_rows()); | |
198 | ||
199 | visible_rows_.clear(); | |
200 | for (size_t i = 0; i < rows.size(); i++) | |
201 | { | |
202 | const Row &row = rows[i]; | |
203 | ||
204 | size_t base_colour = 0x13579BDF; | |
205 | boost::hash_combine(base_colour, this); | |
206 | boost::hash_combine(base_colour, row.decoder()); | |
207 | boost::hash_combine(base_colour, row.row()); | |
208 | base_colour >>= 16; | |
209 | ||
210 | vector<Annotation> annotations; | |
211 | decoder_stack_->get_annotation_subset(annotations, row, | |
212 | sample_range.first, sample_range.second); | |
213 | if (!annotations.empty()) { | |
214 | for (const Annotation &a : annotations) | |
215 | draw_annotation(a, p, annotation_height, | |
216 | pp, y, base_colour); | |
217 | y += row_height_; | |
218 | ||
219 | visible_rows_.push_back(rows[i]); | |
220 | } | |
221 | } | |
222 | ||
223 | // Draw the hatching | |
224 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
225 | } | |
226 | ||
227 | void DecodeTrace::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
228 | { | |
229 | using namespace pv::data::decode; | |
230 | ||
231 | assert(row_height_); | |
232 | ||
233 | for (size_t i = 0; i < visible_rows_.size(); i++) | |
234 | { | |
235 | const int y = i * row_height_ + get_visual_y(); | |
236 | ||
237 | p.setPen(QPen(Qt::NoPen)); | |
238 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
239 | ||
240 | if (i != 0) | |
241 | { | |
242 | const QPointF points[] = { | |
243 | QPointF(pp.left(), y - ArrowSize), | |
244 | QPointF(pp.left() + ArrowSize, y), | |
245 | QPointF(pp.left(), y + ArrowSize) | |
246 | }; | |
247 | p.drawPolygon(points, countof(points)); | |
248 | } | |
249 | ||
250 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
251 | pp.right() - pp.left(), row_height_); | |
252 | const QString h(visible_rows_[i].title()); | |
253 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
254 | Qt::TextDontClip; | |
255 | ||
256 | // Draw the outline | |
257 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
258 | for (int dx = -1; dx <= 1; dx++) | |
259 | for (int dy = -1; dy <= 1; dy++) | |
260 | if (dx != 0 && dy != 0) | |
261 | p.drawText(r.translated(dx, dy), f, h); | |
262 | ||
263 | // Draw the text | |
264 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
265 | p.drawText(r, f, h); | |
266 | } | |
267 | } | |
268 | ||
269 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
270 | { | |
271 | using pv::data::decode::Decoder; | |
272 | ||
273 | assert(form); | |
274 | assert(parent); | |
275 | assert(decoder_stack_); | |
276 | ||
277 | // Add the standard options | |
278 | Trace::populate_popup_form(parent, form); | |
279 | ||
280 | // Add the decoder options | |
281 | bindings_.clear(); | |
282 | channel_selectors_.clear(); | |
283 | decoder_forms_.clear(); | |
284 | ||
285 | const list< shared_ptr<Decoder> >& stack = decoder_stack_->stack(); | |
286 | ||
287 | if (stack.empty()) | |
288 | { | |
289 | QLabel *const l = new QLabel( | |
290 | tr("<p><i>No decoders in the stack</i></p>")); | |
291 | l->setAlignment(Qt::AlignCenter); | |
292 | form->addRow(l); | |
293 | } | |
294 | else | |
295 | { | |
296 | auto iter = stack.cbegin(); | |
297 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
298 | shared_ptr<Decoder> dec(*iter); | |
299 | create_decoder_form(i, dec, parent, form); | |
300 | } | |
301 | ||
302 | form->addRow(new QLabel( | |
303 | tr("<i>* Required channels</i>"), parent)); | |
304 | } | |
305 | ||
306 | // Add stacking button | |
307 | pv::widgets::DecoderMenu *const decoder_menu = | |
308 | new pv::widgets::DecoderMenu(parent); | |
309 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
310 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
311 | ||
312 | QPushButton *const stack_button = | |
313 | new QPushButton(tr("Stack Decoder"), parent); | |
314 | stack_button->setMenu(decoder_menu); | |
315 | ||
316 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
317 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
318 | form->addRow(stack_button_box); | |
319 | } | |
320 | ||
321 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
322 | { | |
323 | QMenu *const menu = Trace::create_context_menu(parent); | |
324 | ||
325 | menu->addSeparator(); | |
326 | ||
327 | QAction *const del = new QAction(tr("Delete"), this); | |
328 | del->setShortcuts(QKeySequence::Delete); | |
329 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
330 | menu->addAction(del); | |
331 | ||
332 | return menu; | |
333 | } | |
334 | ||
335 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
336 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
337 | size_t base_colour) const | |
338 | { | |
339 | double samples_per_pixel, pixels_offset; | |
340 | tie(pixels_offset, samples_per_pixel) = | |
341 | get_pixels_offset_samples_per_pixel(); | |
342 | ||
343 | const double start = a.start_sample() / samples_per_pixel - | |
344 | pixels_offset; | |
345 | const double end = a.end_sample() / samples_per_pixel - | |
346 | pixels_offset; | |
347 | ||
348 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
349 | const QColor &fill = Colours[colour]; | |
350 | const QColor &outline = OutlineColours[colour]; | |
351 | ||
352 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
353 | return; | |
354 | ||
355 | if (a.start_sample() == a.end_sample()) | |
356 | draw_instant(a, p, fill, outline, h, start, y); | |
357 | else | |
358 | draw_range(a, p, fill, outline, h, start, end, y); | |
359 | } | |
360 | ||
361 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
362 | QColor fill, QColor outline, int h, double x, int y) const | |
363 | { | |
364 | const QString text = a.annotations().empty() ? | |
365 | QString() : a.annotations().back(); | |
366 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
367 | 0.0) + h; | |
368 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
369 | ||
370 | p.setPen(outline); | |
371 | p.setBrush(fill); | |
372 | p.drawRoundedRect(rect, h / 2, h / 2); | |
373 | ||
374 | p.setPen(Qt::black); | |
375 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
376 | } | |
377 | ||
378 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
379 | QColor fill, QColor outline, int h, double start, | |
380 | double end, int y) const | |
381 | { | |
382 | const double top = y + .5 - h / 2; | |
383 | const double bottom = y + .5 + h / 2; | |
384 | const vector<QString> annotations = a.annotations(); | |
385 | ||
386 | p.setPen(outline); | |
387 | p.setBrush(fill); | |
388 | ||
389 | // If the two ends are within 1 pixel, draw a vertical line | |
390 | if (start + 1.0 > end) | |
391 | { | |
392 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
393 | return; | |
394 | } | |
395 | ||
396 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
397 | ||
398 | QPointF pts[] = { | |
399 | QPointF(start, y + .5f), | |
400 | QPointF(start + cap_width, top), | |
401 | QPointF(end - cap_width, top), | |
402 | QPointF(end, y + .5f), | |
403 | QPointF(end - cap_width, bottom), | |
404 | QPointF(start + cap_width, bottom) | |
405 | }; | |
406 | ||
407 | p.drawConvexPolygon(pts, countof(pts)); | |
408 | ||
409 | if (annotations.empty()) | |
410 | return; | |
411 | ||
412 | QRectF rect(start + cap_width, y - h / 2, | |
413 | end - start - cap_width * 2, h); | |
414 | if (rect.width() <= 4) | |
415 | return; | |
416 | ||
417 | p.setPen(Qt::black); | |
418 | ||
419 | // Try to find an annotation that will fit | |
420 | QString best_annotation; | |
421 | int best_width = 0; | |
422 | ||
423 | for (const QString &a : annotations) { | |
424 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
425 | if (w <= rect.width() && w > best_width) | |
426 | best_annotation = a, best_width = w; | |
427 | } | |
428 | ||
429 | if (best_annotation.isEmpty()) | |
430 | best_annotation = annotations.back(); | |
431 | ||
432 | // If not ellide the last in the list | |
433 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
434 | best_annotation, Qt::ElideRight, rect.width())); | |
435 | } | |
436 | ||
437 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
438 | const ViewItemPaintParams &pp) | |
439 | { | |
440 | const int y = get_visual_y(); | |
441 | ||
442 | p.setPen(ErrorBgColour.darker()); | |
443 | p.setBrush(ErrorBgColour); | |
444 | ||
445 | const QRectF bounding_rect = | |
446 | QRectF(pp.width(), INT_MIN / 2 + y, pp.width(), INT_MAX); | |
447 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
448 | Qt::AlignCenter, message); | |
449 | const float r = text_rect.height() / 4; | |
450 | ||
451 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
452 | Qt::AbsoluteSize); | |
453 | ||
454 | p.setPen(Qt::black); | |
455 | p.drawText(text_rect, message); | |
456 | } | |
457 | ||
458 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
459 | int right) const | |
460 | { | |
461 | using namespace pv::data; | |
462 | using pv::data::decode::Decoder; | |
463 | ||
464 | double samples_per_pixel, pixels_offset; | |
465 | ||
466 | assert(decoder_stack_); | |
467 | ||
468 | shared_ptr<Logic> data; | |
469 | shared_ptr<LogicSignal> logic_signal; | |
470 | ||
471 | const list< shared_ptr<Decoder> > &stack = decoder_stack_->stack(); | |
472 | ||
473 | // We get the logic data of the first channel in the list. | |
474 | // This works because we are currently assuming all | |
475 | // LogicSignals have the same data/segment | |
476 | for (const shared_ptr<Decoder> &dec : stack) | |
477 | if (dec && !dec->channels().empty() && | |
478 | ((logic_signal = (*dec->channels().begin()).second)) && | |
479 | ((data = logic_signal->logic_data()))) | |
480 | break; | |
481 | ||
482 | if (!data || data->logic_segments().empty()) | |
483 | return; | |
484 | ||
485 | const shared_ptr<LogicSegment> segment = | |
486 | data->logic_segments().front(); | |
487 | assert(segment); | |
488 | const int64_t sample_count = (int64_t)segment->get_sample_count(); | |
489 | if (sample_count == 0) | |
490 | return; | |
491 | ||
492 | const int64_t samples_decoded = decoder_stack_->samples_decoded(); | |
493 | if (sample_count == samples_decoded) | |
494 | return; | |
495 | ||
496 | const int y = get_visual_y(); | |
497 | ||
498 | tie(pixels_offset, samples_per_pixel) = | |
499 | get_pixels_offset_samples_per_pixel(); | |
500 | ||
501 | const double start = max(samples_decoded / | |
502 | samples_per_pixel - pixels_offset, left - 1.0); | |
503 | const double end = min(sample_count / samples_per_pixel - | |
504 | pixels_offset, right + 1.0); | |
505 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
506 | ||
507 | p.setPen(QPen(Qt::NoPen)); | |
508 | p.setBrush(Qt::white); | |
509 | p.drawRect(no_decode_rect); | |
510 | ||
511 | p.setPen(NoDecodeColour); | |
512 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
513 | p.drawRect(no_decode_rect); | |
514 | } | |
515 | ||
516 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
517 | { | |
518 | assert(owner_); | |
519 | assert(decoder_stack_); | |
520 | ||
521 | const View *view = owner_->view(); | |
522 | assert(view); | |
523 | ||
524 | const double scale = view->scale(); | |
525 | assert(scale > 0); | |
526 | ||
527 | const double pixels_offset = | |
528 | ((view->offset() - decoder_stack_->start_time()) / scale).convert_to<double>(); | |
529 | ||
530 | double samplerate = decoder_stack_->samplerate(); | |
531 | ||
532 | // Show sample rate as 1Hz when it is unknown | |
533 | if (samplerate == 0.0) | |
534 | samplerate = 1.0; | |
535 | ||
536 | return make_pair(pixels_offset, samplerate * scale); | |
537 | } | |
538 | ||
539 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
540 | int x_start, int x_end) const | |
541 | { | |
542 | double samples_per_pixel, pixels_offset; | |
543 | tie(pixels_offset, samples_per_pixel) = | |
544 | get_pixels_offset_samples_per_pixel(); | |
545 | ||
546 | const uint64_t start = (uint64_t)max( | |
547 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
548 | const uint64_t end = (uint64_t)max( | |
549 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
550 | ||
551 | return make_pair(start, end); | |
552 | } | |
553 | ||
554 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
555 | { | |
556 | if (!row_height_) | |
557 | return -1; | |
558 | ||
559 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
560 | ||
561 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
562 | if (y < 0) | |
563 | return -1; | |
564 | ||
565 | const int row = y / row_height_; | |
566 | ||
567 | if (row >= (int)visible_rows_.size()) | |
568 | return -1; | |
569 | ||
570 | return row; | |
571 | } | |
572 | ||
573 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
574 | { | |
575 | using namespace pv::data::decode; | |
576 | ||
577 | if (!enabled()) | |
578 | return QString(); | |
579 | ||
580 | const pair<uint64_t, uint64_t> sample_range = | |
581 | get_sample_range(point.x(), point.x() + 1); | |
582 | const int row = get_row_at_point(point); | |
583 | if (row < 0) | |
584 | return QString(); | |
585 | ||
586 | vector<pv::data::decode::Annotation> annotations; | |
587 | ||
588 | assert(decoder_stack_); | |
589 | decoder_stack_->get_annotation_subset(annotations, visible_rows_[row], | |
590 | sample_range.first, sample_range.second); | |
591 | ||
592 | return (annotations.empty()) ? | |
593 | QString() : annotations[0].annotations().front(); | |
594 | } | |
595 | ||
596 | void DecodeTrace::hover_point_changed() | |
597 | { | |
598 | assert(owner_); | |
599 | ||
600 | const View *const view = owner_->view(); | |
601 | assert(view); | |
602 | ||
603 | QPoint hp = view->hover_point(); | |
604 | QString ann = get_annotation_at_point(hp); | |
605 | ||
606 | assert(view); | |
607 | ||
608 | if (!row_height_ || ann.isEmpty()) { | |
609 | QToolTip::hideText(); | |
610 | return; | |
611 | } | |
612 | ||
613 | const int hover_row = get_row_at_point(hp); | |
614 | ||
615 | QFontMetrics m(QToolTip::font()); | |
616 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
617 | ||
618 | // This is OS-specific and unfortunately we can't query it, so | |
619 | // use an approximation to at least try to minimize the error. | |
620 | const int padding = 8; | |
621 | ||
622 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
623 | // If it did, the tool tip would constantly hide and re-appear. | |
624 | // We also push it up by one row so that it appears above the | |
625 | // decode trace, not below. | |
626 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
627 | ||
628 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
629 | (hover_row * row_height_) - | |
630 | row_height_ - text_size.height() - padding); | |
631 | ||
632 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
633 | } | |
634 | ||
635 | void DecodeTrace::create_decoder_form(int index, | |
636 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
637 | QFormLayout *form) | |
638 | { | |
639 | const GSList *l; | |
640 | ||
641 | assert(dec); | |
642 | const srd_decoder *const decoder = dec->decoder(); | |
643 | assert(decoder); | |
644 | ||
645 | const bool decoder_deletable = index > 0; | |
646 | ||
647 | pv::widgets::DecoderGroupBox *const group = | |
648 | new pv::widgets::DecoderGroupBox( | |
649 | QString::fromUtf8(decoder->name), nullptr, decoder_deletable); | |
650 | group->set_decoder_visible(dec->shown()); | |
651 | ||
652 | if (decoder_deletable) { | |
653 | delete_mapper_.setMapping(group, index); | |
654 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
655 | } | |
656 | ||
657 | show_hide_mapper_.setMapping(group, index); | |
658 | connect(group, SIGNAL(show_hide_decoder()), | |
659 | &show_hide_mapper_, SLOT(map())); | |
660 | ||
661 | QFormLayout *const decoder_form = new QFormLayout; | |
662 | group->add_layout(decoder_form); | |
663 | ||
664 | // Add the mandatory channels | |
665 | for (l = decoder->channels; l; l = l->next) { | |
666 | const struct srd_channel *const pdch = | |
667 | (struct srd_channel *)l->data; | |
668 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
669 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
670 | this, SLOT(on_channel_selected(int))); | |
671 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
672 | .arg(QString::fromUtf8(pdch->name)) | |
673 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
674 | ||
675 | const ChannelSelector s = {combo, dec, pdch}; | |
676 | channel_selectors_.push_back(s); | |
677 | } | |
678 | ||
679 | // Add the optional channels | |
680 | for (l = decoder->opt_channels; l; l = l->next) { | |
681 | const struct srd_channel *const pdch = | |
682 | (struct srd_channel *)l->data; | |
683 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
684 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
685 | this, SLOT(on_channel_selected(int))); | |
686 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
687 | .arg(QString::fromUtf8(pdch->name)) | |
688 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
689 | ||
690 | const ChannelSelector s = {combo, dec, pdch}; | |
691 | channel_selectors_.push_back(s); | |
692 | } | |
693 | ||
694 | // Add the options | |
695 | shared_ptr<binding::Decoder> binding( | |
696 | new binding::Decoder(decoder_stack_, dec)); | |
697 | binding->add_properties_to_form(decoder_form, true); | |
698 | ||
699 | bindings_.push_back(binding); | |
700 | ||
701 | form->addRow(group); | |
702 | decoder_forms_.push_back(group); | |
703 | } | |
704 | ||
705 | QComboBox* DecodeTrace::create_channel_selector( | |
706 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
707 | const srd_channel *const pdch) | |
708 | { | |
709 | assert(dec); | |
710 | ||
711 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
712 | const auto &sigs(session_.signals()); | |
713 | ||
714 | vector< shared_ptr<Signal> > sig_list(sigs.begin(), sigs.end()); | |
715 | std::sort(sig_list.begin(), sig_list.end(), | |
716 | [](const shared_ptr<Signal> &a, const shared_ptr<Signal> b) { | |
717 | return a->name().compare(b->name()) < 0; }); | |
718 | ||
719 | assert(decoder_stack_); | |
720 | const auto channel_iter = dec->channels().find(pdch); | |
721 | ||
722 | QComboBox *selector = new QComboBox(parent); | |
723 | ||
724 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
725 | ||
726 | if (channel_iter == dec->channels().end()) | |
727 | selector->setCurrentIndex(0); | |
728 | ||
729 | for (const shared_ptr<view::Signal> &s : sig_list) { | |
730 | assert(s); | |
731 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) | |
732 | { | |
733 | selector->addItem(s->name(), | |
734 | qVariantFromValue((void*)s.get())); | |
735 | if ((*channel_iter).second == s) | |
736 | selector->setCurrentIndex( | |
737 | selector->count() - 1); | |
738 | } | |
739 | } | |
740 | ||
741 | return selector; | |
742 | } | |
743 | ||
744 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
745 | { | |
746 | assert(dec); | |
747 | ||
748 | map<const srd_channel*, shared_ptr<LogicSignal> > channel_map; | |
749 | ||
750 | shared_lock<shared_mutex> lock(session_.signals_mutex()); | |
751 | const unordered_set< shared_ptr<Signal> > &sigs(session_.signals()); | |
752 | ||
753 | for (const ChannelSelector &s : channel_selectors_) | |
754 | { | |
755 | if (s.decoder_ != dec) | |
756 | break; | |
757 | ||
758 | const LogicSignal *const selection = | |
759 | (LogicSignal*)s.combo_->itemData( | |
760 | s.combo_->currentIndex()).value<void*>(); | |
761 | ||
762 | for (shared_ptr<Signal> sig : sigs) | |
763 | if (sig.get() == selection) { | |
764 | channel_map[s.pdch_] = | |
765 | dynamic_pointer_cast<LogicSignal>(sig); | |
766 | break; | |
767 | } | |
768 | } | |
769 | ||
770 | dec->set_channels(channel_map); | |
771 | } | |
772 | ||
773 | void DecodeTrace::commit_channels() | |
774 | { | |
775 | assert(decoder_stack_); | |
776 | for (shared_ptr<data::decode::Decoder> dec : decoder_stack_->stack()) | |
777 | commit_decoder_channels(dec); | |
778 | ||
779 | decoder_stack_->begin_decode(); | |
780 | } | |
781 | ||
782 | void DecodeTrace::on_new_decode_data() | |
783 | { | |
784 | if (owner_) | |
785 | owner_->row_item_appearance_changed(false, true); | |
786 | } | |
787 | ||
788 | void DecodeTrace::delete_pressed() | |
789 | { | |
790 | on_delete(); | |
791 | } | |
792 | ||
793 | void DecodeTrace::on_delete() | |
794 | { | |
795 | session_.remove_decode_signal(this); | |
796 | } | |
797 | ||
798 | void DecodeTrace::on_channel_selected(int) | |
799 | { | |
800 | commit_channels(); | |
801 | } | |
802 | ||
803 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
804 | { | |
805 | assert(decoder); | |
806 | assert(decoder_stack_); | |
807 | decoder_stack_->push(shared_ptr<data::decode::Decoder>( | |
808 | new data::decode::Decoder(decoder))); | |
809 | decoder_stack_->begin_decode(); | |
810 | ||
811 | create_popup_form(); | |
812 | } | |
813 | ||
814 | void DecodeTrace::on_delete_decoder(int index) | |
815 | { | |
816 | decoder_stack_->remove(index); | |
817 | ||
818 | // Update the popup | |
819 | create_popup_form(); | |
820 | ||
821 | decoder_stack_->begin_decode(); | |
822 | } | |
823 | ||
824 | void DecodeTrace::on_show_hide_decoder(int index) | |
825 | { | |
826 | using pv::data::decode::Decoder; | |
827 | ||
828 | const list< shared_ptr<Decoder> > stack(decoder_stack_->stack()); | |
829 | ||
830 | // Find the decoder in the stack | |
831 | auto iter = stack.cbegin(); | |
832 | for (int i = 0; i < index; i++, iter++) | |
833 | assert(iter != stack.end()); | |
834 | ||
835 | shared_ptr<Decoder> dec = *iter; | |
836 | assert(dec); | |
837 | ||
838 | const bool show = !dec->shown(); | |
839 | dec->show(show); | |
840 | ||
841 | assert(index < (int)decoder_forms_.size()); | |
842 | decoder_forms_[index]->set_decoder_visible(show); | |
843 | ||
844 | if (owner_) | |
845 | owner_->row_item_appearance_changed(false, true); | |
846 | } | |
847 | ||
848 | } // namespace view | |
849 | } // namespace pv |