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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.h" | |
43 | ||
44 | #include <pv/sigsession.h> | |
45 | #include <pv/data/decoderstack.h> | |
46 | #include <pv/data/decode/decoder.h> | |
47 | #include <pv/data/logic.h> | |
48 | #include <pv/data/logicsnapshot.h> | |
49 | #include <pv/data/decode/annotation.h> | |
50 | #include <pv/view/logicsignal.h> | |
51 | #include <pv/view/view.h> | |
52 | #include <pv/view/viewport.h> | |
53 | #include <pv/widgets/decodergroupbox.h> | |
54 | #include <pv/widgets/decodermenu.h> | |
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::vector; | |
70 | ||
71 | namespace pv { | |
72 | namespace view { | |
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::DrawPadding = 100; | |
87 | ||
88 | const QColor DecodeTrace::Colours[16] = { | |
89 | QColor(0xEF, 0x29, 0x29), | |
90 | QColor(0xF6, 0x6A, 0x32), | |
91 | QColor(0xFC, 0xAE, 0x3E), | |
92 | QColor(0xFB, 0xCA, 0x47), | |
93 | QColor(0xFC, 0xE9, 0x4F), | |
94 | QColor(0xCD, 0xF0, 0x40), | |
95 | QColor(0x8A, 0xE2, 0x34), | |
96 | QColor(0x4E, 0xDC, 0x44), | |
97 | QColor(0x55, 0xD7, 0x95), | |
98 | QColor(0x64, 0xD1, 0xD2), | |
99 | QColor(0x72, 0x9F, 0xCF), | |
100 | QColor(0xD4, 0x76, 0xC4), | |
101 | QColor(0x9D, 0x79, 0xB9), | |
102 | QColor(0xAD, 0x7F, 0xA8), | |
103 | QColor(0xC2, 0x62, 0x9B), | |
104 | QColor(0xD7, 0x47, 0x6F) | |
105 | }; | |
106 | ||
107 | const QColor DecodeTrace::OutlineColours[16] = { | |
108 | QColor(0x77, 0x14, 0x14), | |
109 | QColor(0x7B, 0x35, 0x19), | |
110 | QColor(0x7E, 0x57, 0x1F), | |
111 | QColor(0x7D, 0x65, 0x23), | |
112 | QColor(0x7E, 0x74, 0x27), | |
113 | QColor(0x66, 0x78, 0x20), | |
114 | QColor(0x45, 0x71, 0x1A), | |
115 | QColor(0x27, 0x6E, 0x22), | |
116 | QColor(0x2A, 0x6B, 0x4A), | |
117 | QColor(0x32, 0x68, 0x69), | |
118 | QColor(0x39, 0x4F, 0x67), | |
119 | QColor(0x6A, 0x3B, 0x62), | |
120 | QColor(0x4E, 0x3C, 0x5C), | |
121 | QColor(0x56, 0x3F, 0x54), | |
122 | QColor(0x61, 0x31, 0x4D), | |
123 | QColor(0x6B, 0x23, 0x37) | |
124 | }; | |
125 | ||
126 | DecodeTrace::DecodeTrace(pv::SigSession &session, | |
127 | std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) : | |
128 | Trace(QString::fromUtf8( | |
129 | decoder_stack->stack().front()->decoder()->name)), | |
130 | _session(session), | |
131 | _decoder_stack(decoder_stack), | |
132 | _text_height(0), | |
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 | QFontMetrics m(QApplication::font()); | |
164 | const int text_height = m.boundingRect(QRect(), 0, "Tg").height(); | |
165 | const int row_height = (text_height * 6) / 4; | |
166 | return make_pair(-row_height / 2, row_height * 7 / 2); | |
167 | } | |
168 | ||
169 | void DecodeTrace::paint_back(QPainter &p, int left, int right) | |
170 | { | |
171 | Trace::paint_back(p, left, right); | |
172 | paint_axis(p, get_visual_y(), left, right); | |
173 | } | |
174 | ||
175 | void DecodeTrace::paint_mid(QPainter &p, int left, int right) | |
176 | { | |
177 | using namespace pv::data::decode; | |
178 | ||
179 | QFontMetrics m(QApplication::font()); | |
180 | _text_height = m.boundingRect(QRect(), 0, "Tg").height(); | |
181 | _row_height = (_text_height * 6) / 4; | |
182 | const int annotation_height = (_text_height * 5) / 4; | |
183 | ||
184 | assert(_decoder_stack); | |
185 | const QString err = _decoder_stack->error_message(); | |
186 | if (!err.isEmpty()) | |
187 | { | |
188 | draw_unresolved_period(p, annotation_height, left, right); | |
189 | draw_error(p, err, left, right); | |
190 | return; | |
191 | } | |
192 | ||
193 | // Iterate through the rows | |
194 | int y = get_visual_y(); | |
195 | pair<uint64_t, uint64_t> sample_range = get_sample_range(left, right); | |
196 | ||
197 | assert(_decoder_stack); | |
198 | const vector<Row> rows(_decoder_stack->get_visible_rows()); | |
199 | ||
200 | _visible_rows.clear(); | |
201 | for (size_t i = 0; i < rows.size(); i++) | |
202 | { | |
203 | const Row &row = rows[i]; | |
204 | ||
205 | size_t base_colour = 0x13579BDF; | |
206 | boost::hash_combine(base_colour, this); | |
207 | boost::hash_combine(base_colour, row.decoder()); | |
208 | boost::hash_combine(base_colour, row.row()); | |
209 | base_colour >>= 16; | |
210 | ||
211 | vector<Annotation> annotations; | |
212 | _decoder_stack->get_annotation_subset(annotations, row, | |
213 | sample_range.first, sample_range.second); | |
214 | if (!annotations.empty()) { | |
215 | for (const Annotation &a : annotations) | |
216 | draw_annotation(a, p, get_text_colour(), | |
217 | annotation_height, left, right, y, | |
218 | base_colour); | |
219 | y += _row_height; | |
220 | ||
221 | _visible_rows.push_back(rows[i]); | |
222 | } | |
223 | } | |
224 | ||
225 | // Draw the hatching | |
226 | draw_unresolved_period(p, annotation_height, left, right); | |
227 | } | |
228 | ||
229 | void DecodeTrace::paint_fore(QPainter &p, int left, int right) | |
230 | { | |
231 | using namespace pv::data::decode; | |
232 | ||
233 | (void)right; | |
234 | ||
235 | assert(_row_height); | |
236 | ||
237 | for (size_t i = 0; i < _visible_rows.size(); i++) | |
238 | { | |
239 | const int y = i * _row_height + get_visual_y(); | |
240 | ||
241 | p.setPen(QPen(Qt::NoPen)); | |
242 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
243 | ||
244 | if (i != 0) | |
245 | { | |
246 | const QPointF points[] = { | |
247 | QPointF(left, y - ArrowSize), | |
248 | QPointF(left + ArrowSize, y), | |
249 | QPointF(left, y + ArrowSize) | |
250 | }; | |
251 | p.drawPolygon(points, countof(points)); | |
252 | } | |
253 | ||
254 | const QRect r(left + ArrowSize * 2, y - _row_height / 2, | |
255 | right - left, _row_height); | |
256 | const QString h(_visible_rows[i].title()); | |
257 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
258 | Qt::TextDontClip; | |
259 | ||
260 | // Draw the outline | |
261 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
262 | for (int dx = -1; dx <= 1; dx++) | |
263 | for (int dy = -1; dy <= 1; dy++) | |
264 | if (dx != 0 && dy != 0) | |
265 | p.drawText(r.translated(dx, dy), f, h); | |
266 | ||
267 | // Draw the text | |
268 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
269 | p.drawText(r, f, h); | |
270 | } | |
271 | } | |
272 | ||
273 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
274 | { | |
275 | using pv::data::decode::Decoder; | |
276 | ||
277 | assert(form); | |
278 | assert(parent); | |
279 | assert(_decoder_stack); | |
280 | ||
281 | // Add the standard options | |
282 | Trace::populate_popup_form(parent, form); | |
283 | ||
284 | // Add the decoder options | |
285 | _bindings.clear(); | |
286 | _channel_selectors.clear(); | |
287 | _decoder_forms.clear(); | |
288 | ||
289 | const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack(); | |
290 | ||
291 | if (stack.empty()) | |
292 | { | |
293 | QLabel *const l = new QLabel( | |
294 | tr("<p><i>No decoders in the stack</i></p>")); | |
295 | l->setAlignment(Qt::AlignCenter); | |
296 | form->addRow(l); | |
297 | } | |
298 | else | |
299 | { | |
300 | auto iter = stack.cbegin(); | |
301 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
302 | shared_ptr<Decoder> dec(*iter); | |
303 | create_decoder_form(i, dec, parent, form); | |
304 | } | |
305 | ||
306 | form->addRow(new QLabel( | |
307 | tr("<i>* Required channels</i>"), parent)); | |
308 | } | |
309 | ||
310 | // Add stacking button | |
311 | pv::widgets::DecoderMenu *const decoder_menu = | |
312 | new pv::widgets::DecoderMenu(parent); | |
313 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
314 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
315 | ||
316 | QPushButton *const stack_button = | |
317 | new QPushButton(tr("Stack Decoder"), parent); | |
318 | stack_button->setMenu(decoder_menu); | |
319 | ||
320 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
321 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
322 | form->addRow(stack_button_box); | |
323 | } | |
324 | ||
325 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
326 | { | |
327 | QMenu *const menu = Trace::create_context_menu(parent); | |
328 | ||
329 | menu->addSeparator(); | |
330 | ||
331 | QAction *const del = new QAction(tr("Delete"), this); | |
332 | del->setShortcuts(QKeySequence::Delete); | |
333 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
334 | menu->addAction(del); | |
335 | ||
336 | return menu; | |
337 | } | |
338 | ||
339 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
340 | QPainter &p, QColor text_color, int h, int left, int right, int y, | |
341 | size_t base_colour) const | |
342 | { | |
343 | double samples_per_pixel, pixels_offset; | |
344 | tie(pixels_offset, samples_per_pixel) = | |
345 | get_pixels_offset_samples_per_pixel(); | |
346 | ||
347 | const double start = a.start_sample() / samples_per_pixel - | |
348 | pixels_offset; | |
349 | const double end = a.end_sample() / samples_per_pixel - | |
350 | pixels_offset; | |
351 | ||
352 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
353 | const QColor &fill = Colours[colour]; | |
354 | const QColor &outline = OutlineColours[colour]; | |
355 | ||
356 | if (start > right + DrawPadding || end < left - DrawPadding) | |
357 | return; | |
358 | ||
359 | if (a.start_sample() == a.end_sample()) | |
360 | draw_instant(a, p, fill, outline, text_color, h, | |
361 | start, y); | |
362 | else | |
363 | draw_range(a, p, fill, outline, text_color, h, | |
364 | start, end, y); | |
365 | } | |
366 | ||
367 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
368 | QColor fill, QColor outline, QColor text_color, int h, double x, int y) const | |
369 | { | |
370 | const QString text = a.annotations().empty() ? | |
371 | QString() : a.annotations().back(); | |
372 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
373 | 0.0) + h; | |
374 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
375 | ||
376 | p.setPen(outline); | |
377 | p.setBrush(fill); | |
378 | p.drawRoundedRect(rect, h / 2, h / 2); | |
379 | ||
380 | p.setPen(text_color); | |
381 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
382 | } | |
383 | ||
384 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
385 | QColor fill, QColor outline, QColor text_color, int h, double start, | |
386 | double end, int y) const | |
387 | { | |
388 | const double top = y + .5 - h / 2; | |
389 | const double bottom = y + .5 + h / 2; | |
390 | const vector<QString> annotations = a.annotations(); | |
391 | ||
392 | p.setPen(outline); | |
393 | p.setBrush(fill); | |
394 | ||
395 | // If the two ends are within 1 pixel, draw a vertical line | |
396 | if (start + 1.0 > end) | |
397 | { | |
398 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
399 | return; | |
400 | } | |
401 | ||
402 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
403 | ||
404 | QPointF pts[] = { | |
405 | QPointF(start, y + .5f), | |
406 | QPointF(start + cap_width, top), | |
407 | QPointF(end - cap_width, top), | |
408 | QPointF(end, y + .5f), | |
409 | QPointF(end - cap_width, bottom), | |
410 | QPointF(start + cap_width, bottom) | |
411 | }; | |
412 | ||
413 | p.drawConvexPolygon(pts, countof(pts)); | |
414 | ||
415 | if (annotations.empty()) | |
416 | return; | |
417 | ||
418 | QRectF rect(start + cap_width, y - h / 2, | |
419 | end - start - cap_width * 2, h); | |
420 | if (rect.width() <= 4) | |
421 | return; | |
422 | ||
423 | p.setPen(text_color); | |
424 | ||
425 | // Try to find an annotation that will fit | |
426 | QString best_annotation; | |
427 | int best_width = 0; | |
428 | ||
429 | for (const QString &a : annotations) { | |
430 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
431 | if (w <= rect.width() && w > best_width) | |
432 | best_annotation = a, best_width = w; | |
433 | } | |
434 | ||
435 | if (best_annotation.isEmpty()) | |
436 | best_annotation = annotations.back(); | |
437 | ||
438 | // If not ellide the last in the list | |
439 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
440 | best_annotation, Qt::ElideRight, rect.width())); | |
441 | } | |
442 | ||
443 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
444 | int left, int right) | |
445 | { | |
446 | const int y = get_visual_y(); | |
447 | ||
448 | p.setPen(ErrorBgColour.darker()); | |
449 | p.setBrush(ErrorBgColour); | |
450 | ||
451 | const QRectF bounding_rect = | |
452 | QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX); | |
453 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
454 | Qt::AlignCenter, message); | |
455 | const float r = text_rect.height() / 4; | |
456 | ||
457 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
458 | Qt::AbsoluteSize); | |
459 | ||
460 | p.setPen(get_text_colour()); | |
461 | p.drawText(text_rect, message); | |
462 | } | |
463 | ||
464 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
465 | int right) const | |
466 | { | |
467 | using namespace pv::data; | |
468 | using pv::data::decode::Decoder; | |
469 | ||
470 | double samples_per_pixel, pixels_offset; | |
471 | ||
472 | assert(_decoder_stack); | |
473 | ||
474 | shared_ptr<Logic> data; | |
475 | shared_ptr<LogicSignal> logic_signal; | |
476 | ||
477 | const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack(); | |
478 | ||
479 | // We get the logic data of the first channel in the list. | |
480 | // This works because we are currently assuming all | |
481 | // LogicSignals have the same data/snapshot | |
482 | for (const shared_ptr<Decoder> &dec : stack) | |
483 | if (dec && !dec->channels().empty() && | |
484 | ((logic_signal = (*dec->channels().begin()).second)) && | |
485 | ((data = logic_signal->logic_data()))) | |
486 | break; | |
487 | ||
488 | if (!data || data->get_snapshots().empty()) | |
489 | return; | |
490 | ||
491 | const shared_ptr<LogicSnapshot> snapshot = | |
492 | data->get_snapshots().front(); | |
493 | assert(snapshot); | |
494 | const int64_t sample_count = (int64_t)snapshot->get_sample_count(); | |
495 | if (sample_count == 0) | |
496 | return; | |
497 | ||
498 | const int64_t samples_decoded = _decoder_stack->samples_decoded(); | |
499 | if (sample_count == samples_decoded) | |
500 | return; | |
501 | ||
502 | const int y = get_visual_y(); | |
503 | ||
504 | tie(pixels_offset, samples_per_pixel) = | |
505 | get_pixels_offset_samples_per_pixel(); | |
506 | ||
507 | const double start = max(samples_decoded / | |
508 | samples_per_pixel - pixels_offset, left - 1.0); | |
509 | const double end = min(sample_count / samples_per_pixel - | |
510 | pixels_offset, right + 1.0); | |
511 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
512 | ||
513 | p.setPen(QPen(Qt::NoPen)); | |
514 | p.setBrush(Qt::white); | |
515 | p.drawRect(no_decode_rect); | |
516 | ||
517 | p.setPen(NoDecodeColour); | |
518 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
519 | p.drawRect(no_decode_rect); | |
520 | } | |
521 | ||
522 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
523 | { | |
524 | assert(_owner); | |
525 | assert(_decoder_stack); | |
526 | ||
527 | const View *view = _owner->view(); | |
528 | assert(view); | |
529 | ||
530 | const double scale = view->scale(); | |
531 | assert(scale > 0); | |
532 | ||
533 | const double pixels_offset = | |
534 | (view->offset() - _decoder_stack->get_start_time()) / scale; | |
535 | ||
536 | double samplerate = _decoder_stack->samplerate(); | |
537 | ||
538 | // Show sample rate as 1Hz when it is unknown | |
539 | if (samplerate == 0.0) | |
540 | samplerate = 1.0; | |
541 | ||
542 | return make_pair(pixels_offset, samplerate * scale); | |
543 | } | |
544 | ||
545 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
546 | int x_start, int x_end) const | |
547 | { | |
548 | double samples_per_pixel, pixels_offset; | |
549 | tie(pixels_offset, samples_per_pixel) = | |
550 | get_pixels_offset_samples_per_pixel(); | |
551 | ||
552 | const uint64_t start = (uint64_t)max( | |
553 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
554 | const uint64_t end = (uint64_t)max( | |
555 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
556 | ||
557 | return make_pair(start, end); | |
558 | } | |
559 | ||
560 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
561 | { | |
562 | if (!_row_height) | |
563 | return -1; | |
564 | ||
565 | const int row = (point.y() - get_visual_y() + _row_height / 2) / | |
566 | _row_height; | |
567 | if (row < 0 || 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::hide_hover_annotation() | |
597 | { | |
598 | QToolTip::hideText(); | |
599 | } | |
600 | ||
601 | void DecodeTrace::hover_point_changed() | |
602 | { | |
603 | assert(_owner); | |
604 | ||
605 | const View *const view = _owner->view(); | |
606 | assert(view); | |
607 | ||
608 | QPoint hp = view->hover_point(); | |
609 | QString ann = get_annotation_at_point(hp); | |
610 | ||
611 | assert(view); | |
612 | assert(_row_height); | |
613 | ||
614 | if (ann.isEmpty()) { | |
615 | hide_hover_annotation(); | |
616 | return; | |
617 | } | |
618 | ||
619 | const int hover_row = get_row_at_point(hp); | |
620 | ||
621 | QFontMetrics m(QToolTip::font()); | |
622 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
623 | ||
624 | // This is OS-specific and unfortunately we can't query it, so | |
625 | // use an approximation to at least try to minimize the error. | |
626 | const int padding = 8; | |
627 | ||
628 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
629 | // If it did, the tool tip would constantly hide and re-appear. | |
630 | // We also push it up by one row so that it appears above the | |
631 | // decode trace, not below. | |
632 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
633 | ||
634 | hp.setY(get_visual_y() - (_row_height / 2) + | |
635 | (hover_row * _row_height) - | |
636 | _row_height - text_size.height()); | |
637 | ||
638 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
639 | } | |
640 | ||
641 | void DecodeTrace::create_decoder_form(int index, | |
642 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
643 | QFormLayout *form) | |
644 | { | |
645 | const GSList *l; | |
646 | ||
647 | assert(dec); | |
648 | const srd_decoder *const decoder = dec->decoder(); | |
649 | assert(decoder); | |
650 | ||
651 | pv::widgets::DecoderGroupBox *const group = | |
652 | new pv::widgets::DecoderGroupBox( | |
653 | QString::fromUtf8(decoder->name)); | |
654 | group->set_decoder_visible(dec->shown()); | |
655 | ||
656 | _delete_mapper.setMapping(group, index); | |
657 | connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map())); | |
658 | ||
659 | _show_hide_mapper.setMapping(group, index); | |
660 | connect(group, SIGNAL(show_hide_decoder()), | |
661 | &_show_hide_mapper, SLOT(map())); | |
662 | ||
663 | QFormLayout *const decoder_form = new QFormLayout; | |
664 | group->add_layout(decoder_form); | |
665 | ||
666 | // Add the mandatory channels | |
667 | for(l = decoder->channels; l; l = l->next) { | |
668 | const struct srd_channel *const pdch = | |
669 | (struct srd_channel *)l->data; | |
670 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
671 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
672 | this, SLOT(on_channel_selected(int))); | |
673 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
674 | .arg(QString::fromUtf8(pdch->name)) | |
675 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
676 | ||
677 | const ChannelSelector s = {combo, dec, pdch}; | |
678 | _channel_selectors.push_back(s); | |
679 | } | |
680 | ||
681 | // Add the optional channels | |
682 | for(l = decoder->opt_channels; l; l = l->next) { | |
683 | const struct srd_channel *const pdch = | |
684 | (struct srd_channel *)l->data; | |
685 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
686 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
687 | this, SLOT(on_channel_selected(int))); | |
688 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
689 | .arg(QString::fromUtf8(pdch->name)) | |
690 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
691 | ||
692 | const ChannelSelector s = {combo, dec, pdch}; | |
693 | _channel_selectors.push_back(s); | |
694 | } | |
695 | ||
696 | // Add the options | |
697 | shared_ptr<prop::binding::DecoderOptions> binding( | |
698 | new prop::binding::DecoderOptions(_decoder_stack, dec)); | |
699 | binding->add_properties_to_form(decoder_form, true); | |
700 | ||
701 | _bindings.push_back(binding); | |
702 | ||
703 | form->addRow(group); | |
704 | _decoder_forms.push_back(group); | |
705 | } | |
706 | ||
707 | QComboBox* DecodeTrace::create_channel_selector( | |
708 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
709 | const srd_channel *const pdch) | |
710 | { | |
711 | assert(dec); | |
712 | ||
713 | shared_lock<shared_mutex> lock(_session.signals_mutex()); | |
714 | const vector< shared_ptr<Signal> > &sigs(_session.signals()); | |
715 | ||
716 | assert(_decoder_stack); | |
717 | const auto channel_iter = dec->channels().find(pdch); | |
718 | ||
719 | QComboBox *selector = new QComboBox(parent); | |
720 | ||
721 | selector->addItem("-", qVariantFromValue((void*)NULL)); | |
722 | ||
723 | if (channel_iter == dec->channels().end()) | |
724 | selector->setCurrentIndex(0); | |
725 | ||
726 | for(size_t i = 0; i < sigs.size(); i++) { | |
727 | const shared_ptr<view::Signal> s(sigs[i]); | |
728 | assert(s); | |
729 | ||
730 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) | |
731 | { | |
732 | selector->addItem(s->name(), | |
733 | qVariantFromValue((void*)s.get())); | |
734 | if ((*channel_iter).second == s) | |
735 | selector->setCurrentIndex(i + 1); | |
736 | } | |
737 | } | |
738 | ||
739 | return selector; | |
740 | } | |
741 | ||
742 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
743 | { | |
744 | assert(dec); | |
745 | ||
746 | map<const srd_channel*, shared_ptr<LogicSignal> > channel_map; | |
747 | ||
748 | shared_lock<shared_mutex> lock(_session.signals_mutex()); | |
749 | const vector< shared_ptr<Signal> > &sigs(_session.signals()); | |
750 | ||
751 | for (const ChannelSelector &s : _channel_selectors) | |
752 | { | |
753 | if(s._decoder != dec) | |
754 | break; | |
755 | ||
756 | const LogicSignal *const selection = | |
757 | (LogicSignal*)s._combo->itemData( | |
758 | s._combo->currentIndex()).value<void*>(); | |
759 | ||
760 | for (shared_ptr<Signal> sig : sigs) | |
761 | if(sig.get() == selection) { | |
762 | channel_map[s._pdch] = | |
763 | dynamic_pointer_cast<LogicSignal>(sig); | |
764 | break; | |
765 | } | |
766 | } | |
767 | ||
768 | dec->set_channels(channel_map); | |
769 | } | |
770 | ||
771 | void DecodeTrace::commit_channels() | |
772 | { | |
773 | assert(_decoder_stack); | |
774 | for (shared_ptr<data::decode::Decoder> dec : _decoder_stack->stack()) | |
775 | commit_decoder_channels(dec); | |
776 | ||
777 | _decoder_stack->begin_decode(); | |
778 | } | |
779 | ||
780 | void DecodeTrace::on_new_decode_data() | |
781 | { | |
782 | if (_owner) | |
783 | _owner->appearance_changed(false, true); | |
784 | } | |
785 | ||
786 | void DecodeTrace::delete_pressed() | |
787 | { | |
788 | on_delete(); | |
789 | } | |
790 | ||
791 | void DecodeTrace::on_delete() | |
792 | { | |
793 | _session.remove_decode_signal(this); | |
794 | } | |
795 | ||
796 | void DecodeTrace::on_channel_selected(int) | |
797 | { | |
798 | commit_channels(); | |
799 | } | |
800 | ||
801 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
802 | { | |
803 | assert(decoder); | |
804 | assert(_decoder_stack); | |
805 | _decoder_stack->push(shared_ptr<data::decode::Decoder>( | |
806 | new data::decode::Decoder(decoder))); | |
807 | _decoder_stack->begin_decode(); | |
808 | ||
809 | create_popup_form(); | |
810 | } | |
811 | ||
812 | void DecodeTrace::on_delete_decoder(int index) | |
813 | { | |
814 | _decoder_stack->remove(index); | |
815 | ||
816 | // Update the popup | |
817 | create_popup_form(); | |
818 | ||
819 | _decoder_stack->begin_decode(); | |
820 | } | |
821 | ||
822 | void DecodeTrace::on_show_hide_decoder(int index) | |
823 | { | |
824 | using pv::data::decode::Decoder; | |
825 | ||
826 | const list< shared_ptr<Decoder> > stack(_decoder_stack->stack()); | |
827 | ||
828 | // Find the decoder in the stack | |
829 | auto iter = stack.cbegin(); | |
830 | for(int i = 0; i < index; i++, iter++) | |
831 | assert(iter != stack.end()); | |
832 | ||
833 | shared_ptr<Decoder> dec = *iter; | |
834 | assert(dec); | |
835 | ||
836 | const bool show = !dec->shown(); | |
837 | dec->show(show); | |
838 | ||
839 | assert(index < (int)_decoder_forms.size()); | |
840 | _decoder_forms[index]->set_decoder_visible(show); | |
841 | ||
842 | if (_owner) | |
843 | _owner->appearance_changed(false, true); | |
844 | } | |
845 | ||
846 | } // namespace view | |
847 | } // namespace pv |