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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 <extdef.h> | |
26 | ||
27 | #include <boost/functional/hash.hpp> | |
28 | ||
29 | #include <QAction> | |
30 | #include <QApplication> | |
31 | #include <QComboBox> | |
32 | #include <QFormLayout> | |
33 | #include <QLabel> | |
34 | #include <QMenu> | |
35 | #include <QPushButton> | |
36 | #include <QToolTip> | |
37 | ||
38 | #include "decodetrace.h" | |
39 | ||
40 | #include <pv/sigsession.h> | |
41 | #include <pv/data/decoderstack.h> | |
42 | #include <pv/data/decode/decoder.h> | |
43 | #include <pv/data/logic.h> | |
44 | #include <pv/data/logicsnapshot.h> | |
45 | #include <pv/data/decode/annotation.h> | |
46 | #include <pv/view/logicsignal.h> | |
47 | #include <pv/view/view.h> | |
48 | #include <pv/view/viewport.h> | |
49 | #include <pv/widgets/decodergroupbox.h> | |
50 | #include <pv/widgets/decodermenu.h> | |
51 | ||
52 | using std::dynamic_pointer_cast; | |
53 | using std::list; | |
54 | using std::make_pair; | |
55 | using std::max; | |
56 | using std::map; | |
57 | using std::min; | |
58 | using std::pair; | |
59 | using std::shared_ptr; | |
60 | using std::vector; | |
61 | ||
62 | namespace pv { | |
63 | namespace view { | |
64 | ||
65 | const QColor DecodeTrace::DecodeColours[4] = { | |
66 | QColor(0xEF, 0x29, 0x29), // Red | |
67 | QColor(0xFC, 0xE9, 0x4F), // Yellow | |
68 | QColor(0x8A, 0xE2, 0x34), // Green | |
69 | QColor(0x72, 0x9F, 0xCF) // Blue | |
70 | }; | |
71 | ||
72 | const QColor DecodeTrace::ErrorBgColour = QColor(0xEF, 0x29, 0x29); | |
73 | const QColor DecodeTrace::NoDecodeColour = QColor(0x88, 0x8A, 0x85); | |
74 | ||
75 | const int DecodeTrace::ArrowSize = 4; | |
76 | const double DecodeTrace::EndCapWidth = 5; | |
77 | const int DecodeTrace::DrawPadding = 100; | |
78 | ||
79 | const QColor DecodeTrace::Colours[16] = { | |
80 | QColor(0xEF, 0x29, 0x29), | |
81 | QColor(0xF6, 0x6A, 0x32), | |
82 | QColor(0xFC, 0xAE, 0x3E), | |
83 | QColor(0xFB, 0xCA, 0x47), | |
84 | QColor(0xFC, 0xE9, 0x4F), | |
85 | QColor(0xCD, 0xF0, 0x40), | |
86 | QColor(0x8A, 0xE2, 0x34), | |
87 | QColor(0x4E, 0xDC, 0x44), | |
88 | QColor(0x55, 0xD7, 0x95), | |
89 | QColor(0x64, 0xD1, 0xD2), | |
90 | QColor(0x72, 0x9F, 0xCF), | |
91 | QColor(0xD4, 0x76, 0xC4), | |
92 | QColor(0x9D, 0x79, 0xB9), | |
93 | QColor(0xAD, 0x7F, 0xA8), | |
94 | QColor(0xC2, 0x62, 0x9B), | |
95 | QColor(0xD7, 0x47, 0x6F) | |
96 | }; | |
97 | ||
98 | const QColor DecodeTrace::OutlineColours[16] = { | |
99 | QColor(0x77, 0x14, 0x14), | |
100 | QColor(0x7B, 0x35, 0x19), | |
101 | QColor(0x7E, 0x57, 0x1F), | |
102 | QColor(0x7D, 0x65, 0x23), | |
103 | QColor(0x7E, 0x74, 0x27), | |
104 | QColor(0x66, 0x78, 0x20), | |
105 | QColor(0x45, 0x71, 0x1A), | |
106 | QColor(0x27, 0x6E, 0x22), | |
107 | QColor(0x2A, 0x6B, 0x4A), | |
108 | QColor(0x32, 0x68, 0x69), | |
109 | QColor(0x39, 0x4F, 0x67), | |
110 | QColor(0x6A, 0x3B, 0x62), | |
111 | QColor(0x4E, 0x3C, 0x5C), | |
112 | QColor(0x56, 0x3F, 0x54), | |
113 | QColor(0x61, 0x31, 0x4D), | |
114 | QColor(0x6B, 0x23, 0x37) | |
115 | }; | |
116 | ||
117 | DecodeTrace::DecodeTrace(pv::SigSession &session, | |
118 | std::shared_ptr<pv::data::DecoderStack> decoder_stack, int index) : | |
119 | Trace(QString::fromUtf8( | |
120 | decoder_stack->stack().front()->decoder()->name)), | |
121 | _session(session), | |
122 | _decoder_stack(decoder_stack), | |
123 | _text_height(0), | |
124 | _row_height(0), | |
125 | _delete_mapper(this), | |
126 | _show_hide_mapper(this) | |
127 | { | |
128 | assert(_decoder_stack); | |
129 | ||
130 | _colour = DecodeColours[index % countof(DecodeColours)]; | |
131 | ||
132 | connect(_decoder_stack.get(), SIGNAL(new_decode_data()), | |
133 | this, SLOT(on_new_decode_data())); | |
134 | connect(&_delete_mapper, SIGNAL(mapped(int)), | |
135 | this, SLOT(on_delete_decoder(int))); | |
136 | connect(&_show_hide_mapper, SIGNAL(mapped(int)), | |
137 | this, SLOT(on_show_hide_decoder(int))); | |
138 | } | |
139 | ||
140 | bool DecodeTrace::enabled() const | |
141 | { | |
142 | return true; | |
143 | } | |
144 | ||
145 | const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const | |
146 | { | |
147 | return _decoder_stack; | |
148 | } | |
149 | ||
150 | void DecodeTrace::set_view(pv::view::View *view) | |
151 | { | |
152 | assert(view); | |
153 | Trace::set_view(view); | |
154 | } | |
155 | ||
156 | void DecodeTrace::paint_back(QPainter &p, int left, int right) | |
157 | { | |
158 | Trace::paint_back(p, left, right); | |
159 | paint_axis(p, get_y(), left, right); | |
160 | } | |
161 | ||
162 | void DecodeTrace::paint_mid(QPainter &p, int left, int right) | |
163 | { | |
164 | using namespace pv::data::decode; | |
165 | ||
166 | QFontMetrics m(QApplication::font()); | |
167 | _text_height = m.boundingRect(QRect(), 0, "Tg").height(); | |
168 | _row_height = (_text_height * 6) / 4; | |
169 | const int annotation_height = (_text_height * 5) / 4; | |
170 | ||
171 | assert(_decoder_stack); | |
172 | const QString err = _decoder_stack->error_message(); | |
173 | if (!err.isEmpty()) | |
174 | { | |
175 | draw_unresolved_period(p, annotation_height, left, right); | |
176 | draw_error(p, err, left, right); | |
177 | return; | |
178 | } | |
179 | ||
180 | // Iterate through the rows | |
181 | assert(_view); | |
182 | int y = get_y(); | |
183 | pair<uint64_t, uint64_t> sample_range = get_sample_range(left, right); | |
184 | ||
185 | assert(_decoder_stack); | |
186 | const vector<Row> rows(_decoder_stack->get_visible_rows()); | |
187 | ||
188 | _visible_rows.clear(); | |
189 | for (size_t i = 0; i < rows.size(); i++) | |
190 | { | |
191 | const Row &row = rows[i]; | |
192 | ||
193 | size_t base_colour = 0x13579BDF; | |
194 | boost::hash_combine(base_colour, this); | |
195 | boost::hash_combine(base_colour, row.decoder()); | |
196 | boost::hash_combine(base_colour, row.row()); | |
197 | base_colour >>= 16; | |
198 | ||
199 | vector<Annotation> annotations; | |
200 | _decoder_stack->get_annotation_subset(annotations, row, | |
201 | sample_range.first, sample_range.second); | |
202 | if (!annotations.empty()) { | |
203 | for (const Annotation &a : annotations) | |
204 | draw_annotation(a, p, get_text_colour(), | |
205 | annotation_height, left, right, y, | |
206 | base_colour); | |
207 | y += _row_height; | |
208 | ||
209 | _visible_rows.push_back(rows[i]); | |
210 | } | |
211 | } | |
212 | ||
213 | // Draw the hatching | |
214 | draw_unresolved_period(p, annotation_height, left, right); | |
215 | } | |
216 | ||
217 | void DecodeTrace::paint_fore(QPainter &p, int left, int right) | |
218 | { | |
219 | using namespace pv::data::decode; | |
220 | ||
221 | (void)right; | |
222 | ||
223 | assert(_row_height); | |
224 | ||
225 | for (size_t i = 0; i < _visible_rows.size(); i++) | |
226 | { | |
227 | const int y = i * _row_height + get_y(); | |
228 | ||
229 | p.setPen(QPen(Qt::NoPen)); | |
230 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
231 | ||
232 | if (i != 0) | |
233 | { | |
234 | const QPointF points[] = { | |
235 | QPointF(left, y - ArrowSize), | |
236 | QPointF(left + ArrowSize, y), | |
237 | QPointF(left, y + ArrowSize) | |
238 | }; | |
239 | p.drawPolygon(points, countof(points)); | |
240 | } | |
241 | ||
242 | const QRect r(left + ArrowSize * 2, y - _row_height / 2, | |
243 | right - left, _row_height); | |
244 | const QString h(_visible_rows[i].title()); | |
245 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
246 | Qt::TextDontClip; | |
247 | ||
248 | // Draw the outline | |
249 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
250 | for (int dx = -1; dx <= 1; dx++) | |
251 | for (int dy = -1; dy <= 1; dy++) | |
252 | if (dx != 0 && dy != 0) | |
253 | p.drawText(r.translated(dx, dy), f, h); | |
254 | ||
255 | // Draw the text | |
256 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
257 | p.drawText(r, f, h); | |
258 | } | |
259 | } | |
260 | ||
261 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
262 | { | |
263 | using pv::data::decode::Decoder; | |
264 | ||
265 | assert(form); | |
266 | assert(parent); | |
267 | assert(_decoder_stack); | |
268 | ||
269 | // Add the standard options | |
270 | Trace::populate_popup_form(parent, form); | |
271 | ||
272 | // Add the decoder options | |
273 | _bindings.clear(); | |
274 | _channel_selectors.clear(); | |
275 | _decoder_forms.clear(); | |
276 | ||
277 | const list< shared_ptr<Decoder> >& stack = _decoder_stack->stack(); | |
278 | ||
279 | if (stack.empty()) | |
280 | { | |
281 | QLabel *const l = new QLabel( | |
282 | tr("<p><i>No decoders in the stack</i></p>")); | |
283 | l->setAlignment(Qt::AlignCenter); | |
284 | form->addRow(l); | |
285 | } | |
286 | else | |
287 | { | |
288 | auto iter = stack.cbegin(); | |
289 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
290 | shared_ptr<Decoder> dec(*iter); | |
291 | create_decoder_form(i, dec, parent, form); | |
292 | } | |
293 | ||
294 | form->addRow(new QLabel( | |
295 | tr("<i>* Required channels</i>"), parent)); | |
296 | } | |
297 | ||
298 | // Add stacking button | |
299 | pv::widgets::DecoderMenu *const decoder_menu = | |
300 | new pv::widgets::DecoderMenu(parent); | |
301 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
302 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
303 | ||
304 | QPushButton *const stack_button = | |
305 | new QPushButton(tr("Stack Decoder"), parent); | |
306 | stack_button->setMenu(decoder_menu); | |
307 | ||
308 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
309 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
310 | form->addRow(stack_button_box); | |
311 | } | |
312 | ||
313 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
314 | { | |
315 | QMenu *const menu = Trace::create_context_menu(parent); | |
316 | ||
317 | menu->addSeparator(); | |
318 | ||
319 | QAction *const del = new QAction(tr("Delete"), this); | |
320 | del->setShortcuts(QKeySequence::Delete); | |
321 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
322 | menu->addAction(del); | |
323 | ||
324 | return menu; | |
325 | } | |
326 | ||
327 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
328 | QPainter &p, QColor text_color, int h, int left, int right, int y, | |
329 | size_t base_colour) const | |
330 | { | |
331 | const double samples_per_pixel = get_samples_per_pixel(); | |
332 | const double pixels_offset = get_pixels_offset(); | |
333 | ||
334 | const double start = a.start_sample() / samples_per_pixel - | |
335 | pixels_offset; | |
336 | const double end = a.end_sample() / samples_per_pixel - | |
337 | pixels_offset; | |
338 | ||
339 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
340 | const QColor &fill = Colours[colour]; | |
341 | const QColor &outline = OutlineColours[colour]; | |
342 | ||
343 | if (start > right + DrawPadding || end < left - DrawPadding) | |
344 | return; | |
345 | ||
346 | if (a.start_sample() == a.end_sample()) | |
347 | draw_instant(a, p, fill, outline, text_color, h, | |
348 | start, y); | |
349 | else | |
350 | draw_range(a, p, fill, outline, text_color, h, | |
351 | start, end, y); | |
352 | } | |
353 | ||
354 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
355 | QColor fill, QColor outline, QColor text_color, int h, double x, int y) const | |
356 | { | |
357 | const QString text = a.annotations().empty() ? | |
358 | QString() : a.annotations().back(); | |
359 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
360 | 0.0) + h; | |
361 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
362 | ||
363 | p.setPen(outline); | |
364 | p.setBrush(fill); | |
365 | p.drawRoundedRect(rect, h / 2, h / 2); | |
366 | ||
367 | p.setPen(text_color); | |
368 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
369 | } | |
370 | ||
371 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
372 | QColor fill, QColor outline, QColor text_color, int h, double start, | |
373 | double end, int y) const | |
374 | { | |
375 | const double top = y + .5 - h / 2; | |
376 | const double bottom = y + .5 + h / 2; | |
377 | const vector<QString> annotations = a.annotations(); | |
378 | ||
379 | p.setPen(outline); | |
380 | p.setBrush(fill); | |
381 | ||
382 | // If the two ends are within 1 pixel, draw a vertical line | |
383 | if (start + 1.0 > end) | |
384 | { | |
385 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
386 | return; | |
387 | } | |
388 | ||
389 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
390 | ||
391 | QPointF pts[] = { | |
392 | QPointF(start, y + .5f), | |
393 | QPointF(start + cap_width, top), | |
394 | QPointF(end - cap_width, top), | |
395 | QPointF(end, y + .5f), | |
396 | QPointF(end - cap_width, bottom), | |
397 | QPointF(start + cap_width, bottom) | |
398 | }; | |
399 | ||
400 | p.drawConvexPolygon(pts, countof(pts)); | |
401 | ||
402 | if (annotations.empty()) | |
403 | return; | |
404 | ||
405 | QRectF rect(start + cap_width, y - h / 2, | |
406 | end - start - cap_width * 2, h); | |
407 | if (rect.width() <= 4) | |
408 | return; | |
409 | ||
410 | p.setPen(text_color); | |
411 | ||
412 | // Try to find an annotation that will fit | |
413 | QString best_annotation; | |
414 | int best_width = 0; | |
415 | ||
416 | for (const QString &a : annotations) { | |
417 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
418 | if (w <= rect.width() && w > best_width) | |
419 | best_annotation = a, best_width = w; | |
420 | } | |
421 | ||
422 | if (best_annotation.isEmpty()) | |
423 | best_annotation = annotations.back(); | |
424 | ||
425 | // If not ellide the last in the list | |
426 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
427 | best_annotation, Qt::ElideRight, rect.width())); | |
428 | } | |
429 | ||
430 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
431 | int left, int right) | |
432 | { | |
433 | const int y = get_y(); | |
434 | ||
435 | p.setPen(ErrorBgColour.darker()); | |
436 | p.setBrush(ErrorBgColour); | |
437 | ||
438 | const QRectF bounding_rect = | |
439 | QRectF(left, INT_MIN / 2 + y, right - left, INT_MAX); | |
440 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
441 | Qt::AlignCenter, message); | |
442 | const float r = text_rect.height() / 4; | |
443 | ||
444 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
445 | Qt::AbsoluteSize); | |
446 | ||
447 | p.setPen(get_text_colour()); | |
448 | p.drawText(text_rect, message); | |
449 | } | |
450 | ||
451 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, | |
452 | int right) const | |
453 | { | |
454 | using namespace pv::data; | |
455 | using pv::data::decode::Decoder; | |
456 | ||
457 | assert(_decoder_stack); | |
458 | ||
459 | shared_ptr<Logic> data; | |
460 | shared_ptr<LogicSignal> logic_signal; | |
461 | ||
462 | const list< shared_ptr<Decoder> > &stack = _decoder_stack->stack(); | |
463 | ||
464 | // We get the logic data of the first channel in the list. | |
465 | // This works because we are currently assuming all | |
466 | // LogicSignals have the same data/snapshot | |
467 | for (const shared_ptr<Decoder> &dec : stack) | |
468 | if (dec && !dec->channels().empty() && | |
469 | ((logic_signal = (*dec->channels().begin()).second)) && | |
470 | ((data = logic_signal->logic_data()))) | |
471 | break; | |
472 | ||
473 | if (!data || data->get_snapshots().empty()) | |
474 | return; | |
475 | ||
476 | const shared_ptr<LogicSnapshot> snapshot = | |
477 | data->get_snapshots().front(); | |
478 | assert(snapshot); | |
479 | const int64_t sample_count = (int64_t)snapshot->get_sample_count(); | |
480 | if (sample_count == 0) | |
481 | return; | |
482 | ||
483 | const int64_t samples_decoded = _decoder_stack->samples_decoded(); | |
484 | if (sample_count == samples_decoded) | |
485 | return; | |
486 | ||
487 | const int y = get_y(); | |
488 | ||
489 | const double samples_per_pixel = get_samples_per_pixel(); | |
490 | const double pixels_offset = get_pixels_offset(); | |
491 | ||
492 | const double start = max(samples_decoded / | |
493 | samples_per_pixel - pixels_offset, left - 1.0); | |
494 | const double end = min(sample_count / samples_per_pixel - | |
495 | pixels_offset, right + 1.0); | |
496 | const QRectF no_decode_rect(start, y - h/2 + 0.5, end - start, h); | |
497 | ||
498 | p.setPen(QPen(Qt::NoPen)); | |
499 | p.setBrush(Qt::white); | |
500 | p.drawRect(no_decode_rect); | |
501 | ||
502 | p.setPen(NoDecodeColour); | |
503 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
504 | p.drawRect(no_decode_rect); | |
505 | } | |
506 | ||
507 | double DecodeTrace::get_pixels_offset() const | |
508 | { | |
509 | assert(_view); | |
510 | assert(_decoder_stack); | |
511 | ||
512 | const double scale = _view->scale(); | |
513 | assert(scale > 0); | |
514 | ||
515 | return (_view->offset() - _decoder_stack->get_start_time()) / scale; | |
516 | } | |
517 | ||
518 | double DecodeTrace::get_samples_per_pixel() const | |
519 | { | |
520 | assert(_view); | |
521 | assert(_decoder_stack); | |
522 | ||
523 | const double scale = _view->scale(); | |
524 | assert(scale > 0); | |
525 | ||
526 | double samplerate = _decoder_stack->samplerate(); | |
527 | ||
528 | // Show sample rate as 1Hz when it is unknown | |
529 | if (samplerate == 0.0) | |
530 | samplerate = 1.0; | |
531 | ||
532 | return samplerate * scale; | |
533 | } | |
534 | ||
535 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
536 | int x_start, int x_end) const | |
537 | { | |
538 | const double samples_per_pixel = get_samples_per_pixel(); | |
539 | const double pixels_offset = get_pixels_offset(); | |
540 | ||
541 | const uint64_t start = (uint64_t)max( | |
542 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
543 | const uint64_t end = (uint64_t)max( | |
544 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
545 | ||
546 | return make_pair(start, end); | |
547 | } | |
548 | ||
549 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
550 | { | |
551 | if (!_row_height) | |
552 | return -1; | |
553 | ||
554 | const int row = (point.y() - get_y() + _row_height / 2) / _row_height; | |
555 | if (row < 0 || row >= (int)_visible_rows.size()) | |
556 | return -1; | |
557 | ||
558 | return row; | |
559 | } | |
560 | ||
561 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
562 | { | |
563 | using namespace pv::data::decode; | |
564 | ||
565 | if (!enabled()) | |
566 | return QString(); | |
567 | ||
568 | const pair<uint64_t, uint64_t> sample_range = | |
569 | get_sample_range(point.x(), point.x() + 1); | |
570 | const int row = get_row_at_point(point); | |
571 | if (row < 0) | |
572 | return QString(); | |
573 | ||
574 | vector<pv::data::decode::Annotation> annotations; | |
575 | ||
576 | assert(_decoder_stack); | |
577 | _decoder_stack->get_annotation_subset(annotations, _visible_rows[row], | |
578 | sample_range.first, sample_range.second); | |
579 | ||
580 | return (annotations.empty()) ? | |
581 | QString() : annotations[0].annotations().front(); | |
582 | } | |
583 | ||
584 | void DecodeTrace::hide_hover_annotation() | |
585 | { | |
586 | QToolTip::hideText(); | |
587 | } | |
588 | ||
589 | void DecodeTrace::hover_point_changed() | |
590 | { | |
591 | QPoint hp = _view->hover_point(); | |
592 | QString ann = get_annotation_at_point(hp); | |
593 | ||
594 | assert(_view); | |
595 | assert(_row_height); | |
596 | ||
597 | if (ann.isEmpty()) { | |
598 | hide_hover_annotation(); | |
599 | return; | |
600 | } | |
601 | ||
602 | const int hover_row = get_row_at_point(hp); | |
603 | ||
604 | QFontMetrics m(QToolTip::font()); | |
605 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
606 | ||
607 | // This is OS-specific and unfortunately we can't query it, so | |
608 | // use an approximation to at least try to minimize the error. | |
609 | const int padding = 8; | |
610 | ||
611 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
612 | // If it did, the tool tip would constantly hide and re-appear. | |
613 | // We also push it up by one row so that it appears above the | |
614 | // decode trace, not below. | |
615 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
616 | ||
617 | hp.setY(get_y() - (_row_height / 2) + (hover_row * _row_height) | |
618 | - _row_height - text_size.height()); | |
619 | ||
620 | QToolTip::showText(_view->viewport()->mapToGlobal(hp), ann); | |
621 | } | |
622 | ||
623 | void DecodeTrace::create_decoder_form(int index, | |
624 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
625 | QFormLayout *form) | |
626 | { | |
627 | const GSList *l; | |
628 | ||
629 | assert(dec); | |
630 | const srd_decoder *const decoder = dec->decoder(); | |
631 | assert(decoder); | |
632 | ||
633 | pv::widgets::DecoderGroupBox *const group = | |
634 | new pv::widgets::DecoderGroupBox( | |
635 | QString::fromUtf8(decoder->name)); | |
636 | group->set_decoder_visible(dec->shown()); | |
637 | ||
638 | _delete_mapper.setMapping(group, index); | |
639 | connect(group, SIGNAL(delete_decoder()), &_delete_mapper, SLOT(map())); | |
640 | ||
641 | _show_hide_mapper.setMapping(group, index); | |
642 | connect(group, SIGNAL(show_hide_decoder()), | |
643 | &_show_hide_mapper, SLOT(map())); | |
644 | ||
645 | QFormLayout *const decoder_form = new QFormLayout; | |
646 | group->add_layout(decoder_form); | |
647 | ||
648 | // Add the mandatory channels | |
649 | for(l = decoder->channels; l; l = l->next) { | |
650 | const struct srd_channel *const pdch = | |
651 | (struct srd_channel *)l->data; | |
652 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
653 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
654 | this, SLOT(on_channel_selected(int))); | |
655 | decoder_form->addRow(tr("<b>%1</b> (%2) *") | |
656 | .arg(QString::fromUtf8(pdch->name)) | |
657 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
658 | ||
659 | const ChannelSelector s = {combo, dec, pdch}; | |
660 | _channel_selectors.push_back(s); | |
661 | } | |
662 | ||
663 | // Add the optional channels | |
664 | for(l = decoder->opt_channels; l; l = l->next) { | |
665 | const struct srd_channel *const pdch = | |
666 | (struct srd_channel *)l->data; | |
667 | QComboBox *const combo = create_channel_selector(parent, dec, pdch); | |
668 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
669 | this, SLOT(on_channel_selected(int))); | |
670 | decoder_form->addRow(tr("<b>%1</b> (%2)") | |
671 | .arg(QString::fromUtf8(pdch->name)) | |
672 | .arg(QString::fromUtf8(pdch->desc)), combo); | |
673 | ||
674 | const ChannelSelector s = {combo, dec, pdch}; | |
675 | _channel_selectors.push_back(s); | |
676 | } | |
677 | ||
678 | // Add the options | |
679 | shared_ptr<prop::binding::DecoderOptions> binding( | |
680 | new prop::binding::DecoderOptions(_decoder_stack, dec)); | |
681 | binding->add_properties_to_form(decoder_form, true); | |
682 | ||
683 | _bindings.push_back(binding); | |
684 | ||
685 | form->addRow(group); | |
686 | _decoder_forms.push_back(group); | |
687 | } | |
688 | ||
689 | QComboBox* DecodeTrace::create_channel_selector( | |
690 | QWidget *parent, const shared_ptr<data::decode::Decoder> &dec, | |
691 | const srd_channel *const pdch) | |
692 | { | |
693 | assert(dec); | |
694 | ||
695 | const vector< shared_ptr<Signal> > sigs = _session.get_signals(); | |
696 | ||
697 | assert(_decoder_stack); | |
698 | const auto channel_iter = dec->channels().find(pdch); | |
699 | ||
700 | QComboBox *selector = new QComboBox(parent); | |
701 | ||
702 | selector->addItem("-", qVariantFromValue((void*)NULL)); | |
703 | ||
704 | if (channel_iter == dec->channels().end()) | |
705 | selector->setCurrentIndex(0); | |
706 | ||
707 | for(size_t i = 0; i < sigs.size(); i++) { | |
708 | const shared_ptr<view::Signal> s(sigs[i]); | |
709 | assert(s); | |
710 | ||
711 | if (dynamic_pointer_cast<LogicSignal>(s) && s->enabled()) | |
712 | { | |
713 | selector->addItem(s->get_name(), | |
714 | qVariantFromValue((void*)s.get())); | |
715 | if ((*channel_iter).second == s) | |
716 | selector->setCurrentIndex(i + 1); | |
717 | } | |
718 | } | |
719 | ||
720 | return selector; | |
721 | } | |
722 | ||
723 | void DecodeTrace::commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec) | |
724 | { | |
725 | assert(dec); | |
726 | ||
727 | map<const srd_channel*, shared_ptr<LogicSignal> > channel_map; | |
728 | const vector< shared_ptr<Signal> > sigs = _session.get_signals(); | |
729 | ||
730 | for (const ChannelSelector &s : _channel_selectors) | |
731 | { | |
732 | if(s._decoder != dec) | |
733 | break; | |
734 | ||
735 | const LogicSignal *const selection = | |
736 | (LogicSignal*)s._combo->itemData( | |
737 | s._combo->currentIndex()).value<void*>(); | |
738 | ||
739 | for (shared_ptr<Signal> sig : sigs) | |
740 | if(sig.get() == selection) { | |
741 | channel_map[s._pdch] = | |
742 | dynamic_pointer_cast<LogicSignal>(sig); | |
743 | break; | |
744 | } | |
745 | } | |
746 | ||
747 | dec->set_channels(channel_map); | |
748 | } | |
749 | ||
750 | void DecodeTrace::commit_channels() | |
751 | { | |
752 | assert(_decoder_stack); | |
753 | for (shared_ptr<data::decode::Decoder> dec : _decoder_stack->stack()) | |
754 | commit_decoder_channels(dec); | |
755 | ||
756 | _decoder_stack->begin_decode(); | |
757 | } | |
758 | ||
759 | void DecodeTrace::on_new_decode_data() | |
760 | { | |
761 | if (_view) | |
762 | _view->update_viewport(); | |
763 | } | |
764 | ||
765 | void DecodeTrace::delete_pressed() | |
766 | { | |
767 | on_delete(); | |
768 | } | |
769 | ||
770 | void DecodeTrace::on_delete() | |
771 | { | |
772 | _session.remove_decode_signal(this); | |
773 | } | |
774 | ||
775 | void DecodeTrace::on_channel_selected(int) | |
776 | { | |
777 | commit_channels(); | |
778 | } | |
779 | ||
780 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
781 | { | |
782 | assert(decoder); | |
783 | assert(_decoder_stack); | |
784 | _decoder_stack->push(shared_ptr<data::decode::Decoder>( | |
785 | new data::decode::Decoder(decoder))); | |
786 | _decoder_stack->begin_decode(); | |
787 | ||
788 | create_popup_form(); | |
789 | } | |
790 | ||
791 | void DecodeTrace::on_delete_decoder(int index) | |
792 | { | |
793 | _decoder_stack->remove(index); | |
794 | ||
795 | // Update the popup | |
796 | create_popup_form(); | |
797 | ||
798 | _decoder_stack->begin_decode(); | |
799 | } | |
800 | ||
801 | void DecodeTrace::on_show_hide_decoder(int index) | |
802 | { | |
803 | using pv::data::decode::Decoder; | |
804 | ||
805 | const list< shared_ptr<Decoder> > stack(_decoder_stack->stack()); | |
806 | ||
807 | // Find the decoder in the stack | |
808 | auto iter = stack.cbegin(); | |
809 | for(int i = 0; i < index; i++, iter++) | |
810 | assert(iter != stack.end()); | |
811 | ||
812 | shared_ptr<Decoder> dec = *iter; | |
813 | assert(dec); | |
814 | ||
815 | const bool show = !dec->shown(); | |
816 | dec->show(show); | |
817 | ||
818 | assert(index < (int)_decoder_forms.size()); | |
819 | _decoder_forms[index]->set_decoder_visible(show); | |
820 | ||
821 | _view->update_viewport(); | |
822 | } | |
823 | ||
824 | } // namespace view | |
825 | } // namespace pv |