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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 | #include "view.hpp" | |
43 | #include "viewport.hpp" | |
44 | ||
45 | #include <pv/globalsettings.hpp> | |
46 | #include <pv/session.hpp> | |
47 | #include <pv/strnatcmp.hpp> | |
48 | #include <pv/data/decodesignal.hpp> | |
49 | #include <pv/data/decode/annotation.hpp> | |
50 | #include <pv/data/decode/decoder.hpp> | |
51 | #include <pv/data/logic.hpp> | |
52 | #include <pv/data/logicsegment.hpp> | |
53 | #include <pv/widgets/decodergroupbox.hpp> | |
54 | #include <pv/widgets/decodermenu.hpp> | |
55 | ||
56 | using std::all_of; | |
57 | using std::make_pair; | |
58 | using std::max; | |
59 | using std::min; | |
60 | using std::out_of_range; | |
61 | using std::pair; | |
62 | using std::shared_ptr; | |
63 | using std::tie; | |
64 | using std::vector; | |
65 | ||
66 | using pv::data::decode::Annotation; | |
67 | using pv::data::decode::Row; | |
68 | using pv::data::DecodeChannel; | |
69 | using pv::data::DecodeSignal; | |
70 | ||
71 | namespace pv { | |
72 | namespace views { | |
73 | namespace trace { | |
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::RowTitleMargin = 10; | |
88 | const int DecodeTrace::DrawPadding = 100; | |
89 | ||
90 | const int DecodeTrace::MaxTraceUpdateRate = 1; // No more than 1 Hz | |
91 | ||
92 | const QColor DecodeTrace::Colours[16] = { | |
93 | QColor(0xEF, 0x29, 0x29), | |
94 | QColor(0xF6, 0x6A, 0x32), | |
95 | QColor(0xFC, 0xAE, 0x3E), | |
96 | QColor(0xFB, 0xCA, 0x47), | |
97 | QColor(0xFC, 0xE9, 0x4F), | |
98 | QColor(0xCD, 0xF0, 0x40), | |
99 | QColor(0x8A, 0xE2, 0x34), | |
100 | QColor(0x4E, 0xDC, 0x44), | |
101 | QColor(0x55, 0xD7, 0x95), | |
102 | QColor(0x64, 0xD1, 0xD2), | |
103 | QColor(0x72, 0x9F, 0xCF), | |
104 | QColor(0xD4, 0x76, 0xC4), | |
105 | QColor(0x9D, 0x79, 0xB9), | |
106 | QColor(0xAD, 0x7F, 0xA8), | |
107 | QColor(0xC2, 0x62, 0x9B), | |
108 | QColor(0xD7, 0x47, 0x6F) | |
109 | }; | |
110 | ||
111 | const QColor DecodeTrace::OutlineColours[16] = { | |
112 | QColor(0x77, 0x14, 0x14), | |
113 | QColor(0x7B, 0x35, 0x19), | |
114 | QColor(0x7E, 0x57, 0x1F), | |
115 | QColor(0x7D, 0x65, 0x23), | |
116 | QColor(0x7E, 0x74, 0x27), | |
117 | QColor(0x66, 0x78, 0x20), | |
118 | QColor(0x45, 0x71, 0x1A), | |
119 | QColor(0x27, 0x6E, 0x22), | |
120 | QColor(0x2A, 0x6B, 0x4A), | |
121 | QColor(0x32, 0x68, 0x69), | |
122 | QColor(0x39, 0x4F, 0x67), | |
123 | QColor(0x6A, 0x3B, 0x62), | |
124 | QColor(0x4E, 0x3C, 0x5C), | |
125 | QColor(0x56, 0x3F, 0x54), | |
126 | QColor(0x61, 0x31, 0x4D), | |
127 | QColor(0x6B, 0x23, 0x37) | |
128 | }; | |
129 | ||
130 | DecodeTrace::DecodeTrace(pv::Session &session, | |
131 | shared_ptr<data::SignalBase> signalbase, int index) : | |
132 | Trace(signalbase), | |
133 | session_(session), | |
134 | row_height_(0), | |
135 | max_visible_rows_(0), | |
136 | delete_mapper_(this), | |
137 | show_hide_mapper_(this) | |
138 | { | |
139 | decode_signal_ = dynamic_pointer_cast<data::DecodeSignal>(base_); | |
140 | ||
141 | // Determine shortest string we want to see displayed in full | |
142 | QFontMetrics m(QApplication::font()); | |
143 | min_useful_label_width_ = m.width("XX"); // e.g. two hex characters | |
144 | ||
145 | base_->set_colour(DecodeColours[index % countof(DecodeColours)]); | |
146 | ||
147 | connect(decode_signal_.get(), SIGNAL(new_annotations()), | |
148 | this, SLOT(on_new_annotations())); | |
149 | connect(decode_signal_.get(), SIGNAL(decode_finished()), | |
150 | this, SLOT(on_decode_finished())); | |
151 | connect(decode_signal_.get(), SIGNAL(channels_updated()), | |
152 | this, SLOT(on_channels_updated())); | |
153 | ||
154 | connect(&delete_mapper_, SIGNAL(mapped(int)), | |
155 | this, SLOT(on_delete_decoder(int))); | |
156 | connect(&show_hide_mapper_, SIGNAL(mapped(int)), | |
157 | this, SLOT(on_show_hide_decoder(int))); | |
158 | ||
159 | connect(&delayed_trace_updater_, SIGNAL(timeout()), | |
160 | this, SLOT(on_delayed_trace_update())); | |
161 | delayed_trace_updater_.setSingleShot(true); | |
162 | delayed_trace_updater_.setInterval(1000 / MaxTraceUpdateRate); | |
163 | } | |
164 | ||
165 | bool DecodeTrace::enabled() const | |
166 | { | |
167 | return true; | |
168 | } | |
169 | ||
170 | shared_ptr<data::SignalBase> DecodeTrace::base() const | |
171 | { | |
172 | return base_; | |
173 | } | |
174 | ||
175 | pair<int, int> DecodeTrace::v_extents() const | |
176 | { | |
177 | const int row_height = (ViewItemPaintParams::text_height() * 6) / 4; | |
178 | ||
179 | // Make an empty decode trace appear symmetrical | |
180 | const int row_count = max(1, max_visible_rows_); | |
181 | ||
182 | return make_pair(-row_height, row_height * row_count); | |
183 | } | |
184 | ||
185 | void DecodeTrace::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
186 | { | |
187 | Trace::paint_back(p, pp); | |
188 | paint_axis(p, pp, get_visual_y()); | |
189 | } | |
190 | ||
191 | void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
192 | { | |
193 | const int text_height = ViewItemPaintParams::text_height(); | |
194 | row_height_ = (text_height * 6) / 4; | |
195 | const int annotation_height = (text_height * 5) / 4; | |
196 | ||
197 | const QString err = decode_signal_->error_message(); | |
198 | if (!err.isEmpty()) { | |
199 | draw_unresolved_period( | |
200 | p, annotation_height, pp.left(), pp.right()); | |
201 | draw_error(p, err, pp); | |
202 | return; | |
203 | } | |
204 | ||
205 | // Set default pen to allow for text width calculation | |
206 | p.setPen(Qt::black); | |
207 | ||
208 | // Iterate through the rows | |
209 | int y = get_visual_y(); | |
210 | pair<uint64_t, uint64_t> sample_range = get_sample_range( | |
211 | pp.left(), pp.right()); | |
212 | ||
213 | const vector<Row> rows = decode_signal_->visible_rows(); | |
214 | ||
215 | visible_rows_.clear(); | |
216 | for (const Row& row : rows) { | |
217 | // Cache the row title widths | |
218 | int row_title_width; | |
219 | try { | |
220 | row_title_width = row_title_widths_.at(row); | |
221 | } catch (out_of_range) { | |
222 | const int w = p.boundingRect(QRectF(), 0, row.title()).width() + | |
223 | RowTitleMargin; | |
224 | row_title_widths_[row] = w; | |
225 | row_title_width = w; | |
226 | } | |
227 | ||
228 | // Determine the row's color | |
229 | size_t base_colour = 0x13579BDF; | |
230 | boost::hash_combine(base_colour, this); | |
231 | boost::hash_combine(base_colour, row.decoder()); | |
232 | boost::hash_combine(base_colour, row.row()); | |
233 | base_colour >>= 16; | |
234 | ||
235 | vector<Annotation> annotations; | |
236 | decode_signal_->get_annotation_subset(annotations, row, | |
237 | sample_range.first, sample_range.second); | |
238 | if (!annotations.empty()) { | |
239 | draw_annotations(annotations, p, annotation_height, pp, y, | |
240 | base_colour, row_title_width); | |
241 | ||
242 | y += row_height_; | |
243 | ||
244 | visible_rows_.push_back(row); | |
245 | } | |
246 | } | |
247 | ||
248 | // Draw the hatching | |
249 | draw_unresolved_period(p, annotation_height, pp.left(), pp.right()); | |
250 | ||
251 | if ((int)visible_rows_.size() > max_visible_rows_) | |
252 | owner_->extents_changed(false, true); | |
253 | ||
254 | // Update the maximum row count if needed | |
255 | max_visible_rows_ = max(max_visible_rows_, (int)visible_rows_.size()); | |
256 | } | |
257 | ||
258 | void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
259 | { | |
260 | assert(row_height_); | |
261 | ||
262 | for (size_t i = 0; i < visible_rows_.size(); i++) { | |
263 | const int y = i * row_height_ + get_visual_y(); | |
264 | ||
265 | p.setPen(QPen(Qt::NoPen)); | |
266 | p.setBrush(QApplication::palette().brush(QPalette::WindowText)); | |
267 | ||
268 | if (i != 0) { | |
269 | const QPointF points[] = { | |
270 | QPointF(pp.left(), y - ArrowSize), | |
271 | QPointF(pp.left() + ArrowSize, y), | |
272 | QPointF(pp.left(), y + ArrowSize) | |
273 | }; | |
274 | p.drawPolygon(points, countof(points)); | |
275 | } | |
276 | ||
277 | const QRect r(pp.left() + ArrowSize * 2, y - row_height_ / 2, | |
278 | pp.right() - pp.left(), row_height_); | |
279 | const QString h(visible_rows_[i].title()); | |
280 | const int f = Qt::AlignLeft | Qt::AlignVCenter | | |
281 | Qt::TextDontClip; | |
282 | ||
283 | // Draw the outline | |
284 | p.setPen(QApplication::palette().color(QPalette::Base)); | |
285 | for (int dx = -1; dx <= 1; dx++) | |
286 | for (int dy = -1; dy <= 1; dy++) | |
287 | if (dx != 0 && dy != 0) | |
288 | p.drawText(r.translated(dx, dy), f, h); | |
289 | ||
290 | // Draw the text | |
291 | p.setPen(QApplication::palette().color(QPalette::WindowText)); | |
292 | p.drawText(r, f, h); | |
293 | } | |
294 | } | |
295 | ||
296 | void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form) | |
297 | { | |
298 | using pv::data::decode::Decoder; | |
299 | ||
300 | assert(form); | |
301 | ||
302 | // Add the standard options | |
303 | Trace::populate_popup_form(parent, form); | |
304 | ||
305 | // Add the decoder options | |
306 | bindings_.clear(); | |
307 | channel_id_map_.clear(); | |
308 | init_state_map_.clear(); | |
309 | decoder_forms_.clear(); | |
310 | ||
311 | const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack(); | |
312 | ||
313 | if (stack.empty()) { | |
314 | QLabel *const l = new QLabel( | |
315 | tr("<p><i>No decoders in the stack</i></p>")); | |
316 | l->setAlignment(Qt::AlignCenter); | |
317 | form->addRow(l); | |
318 | } else { | |
319 | auto iter = stack.cbegin(); | |
320 | for (int i = 0; i < (int)stack.size(); i++, iter++) { | |
321 | shared_ptr<Decoder> dec(*iter); | |
322 | create_decoder_form(i, dec, parent, form); | |
323 | } | |
324 | ||
325 | form->addRow(new QLabel( | |
326 | tr("<i>* Required channels</i>"), parent)); | |
327 | } | |
328 | ||
329 | // Add stacking button | |
330 | pv::widgets::DecoderMenu *const decoder_menu = | |
331 | new pv::widgets::DecoderMenu(parent); | |
332 | connect(decoder_menu, SIGNAL(decoder_selected(srd_decoder*)), | |
333 | this, SLOT(on_stack_decoder(srd_decoder*))); | |
334 | ||
335 | QPushButton *const stack_button = | |
336 | new QPushButton(tr("Stack Decoder"), parent); | |
337 | stack_button->setMenu(decoder_menu); | |
338 | stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one")); | |
339 | ||
340 | QHBoxLayout *stack_button_box = new QHBoxLayout; | |
341 | stack_button_box->addWidget(stack_button, 0, Qt::AlignRight); | |
342 | form->addRow(stack_button_box); | |
343 | } | |
344 | ||
345 | QMenu* DecodeTrace::create_context_menu(QWidget *parent) | |
346 | { | |
347 | QMenu *const menu = Trace::create_context_menu(parent); | |
348 | ||
349 | menu->addSeparator(); | |
350 | ||
351 | QAction *const del = new QAction(tr("Delete"), this); | |
352 | del->setShortcuts(QKeySequence::Delete); | |
353 | connect(del, SIGNAL(triggered()), this, SLOT(on_delete())); | |
354 | menu->addAction(del); | |
355 | ||
356 | return menu; | |
357 | } | |
358 | ||
359 | void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
360 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
361 | size_t base_colour, int row_title_width) | |
362 | { | |
363 | using namespace pv::data::decode; | |
364 | ||
365 | vector<Annotation> a_block; | |
366 | int p_end = INT_MIN; | |
367 | ||
368 | double samples_per_pixel, pixels_offset; | |
369 | tie(pixels_offset, samples_per_pixel) = | |
370 | get_pixels_offset_samples_per_pixel(); | |
371 | ||
372 | // Sort the annotations by start sample so that decoders | |
373 | // can't confuse us by creating annotations out of order | |
374 | stable_sort(annotations.begin(), annotations.end(), | |
375 | [](const Annotation &a, const Annotation &b) { | |
376 | return a.start_sample() < b.start_sample(); }); | |
377 | ||
378 | // Gather all annotations that form a visual "block" and draw them as such | |
379 | for (const Annotation &a : annotations) { | |
380 | ||
381 | const int a_start = a.start_sample() / samples_per_pixel - pixels_offset; | |
382 | const int a_end = a.end_sample() / samples_per_pixel - pixels_offset; | |
383 | const int a_width = a_end - a_start; | |
384 | ||
385 | const int delta = a_end - p_end; | |
386 | ||
387 | bool a_is_separate = false; | |
388 | ||
389 | // Annotation wider than the threshold for a useful label width? | |
390 | if (a_width >= min_useful_label_width_) { | |
391 | for (const QString &ann_text : a.annotations()) { | |
392 | const int w = p.boundingRect(QRectF(), 0, ann_text).width(); | |
393 | // Annotation wide enough to fit a label? Don't put it in a block then | |
394 | if (w <= a_width) { | |
395 | a_is_separate = true; | |
396 | break; | |
397 | } | |
398 | } | |
399 | } | |
400 | ||
401 | // Were the previous and this annotation more than a pixel apart? | |
402 | if ((abs(delta) > 1) || a_is_separate) { | |
403 | // Block was broken, draw annotations that form the current block | |
404 | if (a_block.size() == 1) { | |
405 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
406 | row_title_width); | |
407 | } | |
408 | else | |
409 | draw_annotation_block(a_block, p, h, y, base_colour); | |
410 | ||
411 | a_block.clear(); | |
412 | } | |
413 | ||
414 | if (a_is_separate) { | |
415 | draw_annotation(a, p, h, pp, y, base_colour, row_title_width); | |
416 | // Next annotation must start a new block. delta will be > 1 | |
417 | // because we set p_end to INT_MIN but that's okay since | |
418 | // a_block will be empty, so nothing will be drawn | |
419 | p_end = INT_MIN; | |
420 | } else { | |
421 | a_block.push_back(a); | |
422 | p_end = a_end; | |
423 | } | |
424 | } | |
425 | ||
426 | if (a_block.size() == 1) | |
427 | draw_annotation(a_block.front(), p, h, pp, y, base_colour, | |
428 | row_title_width); | |
429 | else | |
430 | draw_annotation_block(a_block, p, h, y, base_colour); | |
431 | } | |
432 | ||
433 | void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a, | |
434 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
435 | size_t base_colour, int row_title_width) const | |
436 | { | |
437 | double samples_per_pixel, pixels_offset; | |
438 | tie(pixels_offset, samples_per_pixel) = | |
439 | get_pixels_offset_samples_per_pixel(); | |
440 | ||
441 | const double start = a.start_sample() / samples_per_pixel - | |
442 | pixels_offset; | |
443 | const double end = a.end_sample() / samples_per_pixel - pixels_offset; | |
444 | ||
445 | const size_t colour = (base_colour + a.format()) % countof(Colours); | |
446 | p.setPen(OutlineColours[colour]); | |
447 | p.setBrush(Colours[colour]); | |
448 | ||
449 | if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding) | |
450 | return; | |
451 | ||
452 | if (a.start_sample() == a.end_sample()) | |
453 | draw_instant(a, p, h, start, y); | |
454 | else | |
455 | draw_range(a, p, h, start, end, y, pp, row_title_width); | |
456 | } | |
457 | ||
458 | void DecodeTrace::draw_annotation_block( | |
459 | vector<pv::data::decode::Annotation> annotations, QPainter &p, int h, | |
460 | int y, size_t base_colour) const | |
461 | { | |
462 | using namespace pv::data::decode; | |
463 | ||
464 | if (annotations.empty()) | |
465 | return; | |
466 | ||
467 | double samples_per_pixel, pixels_offset; | |
468 | tie(pixels_offset, samples_per_pixel) = | |
469 | get_pixels_offset_samples_per_pixel(); | |
470 | ||
471 | const double start = annotations.front().start_sample() / | |
472 | samples_per_pixel - pixels_offset; | |
473 | const double end = annotations.back().end_sample() / | |
474 | samples_per_pixel - pixels_offset; | |
475 | ||
476 | const double top = y + .5 - h / 2; | |
477 | const double bottom = y + .5 + h / 2; | |
478 | ||
479 | const size_t colour = (base_colour + annotations.front().format()) % | |
480 | countof(Colours); | |
481 | ||
482 | // Check if all annotations are of the same type (i.e. we can use one color) | |
483 | // or if we should use a neutral color (i.e. gray) | |
484 | const int format = annotations.front().format(); | |
485 | const bool single_format = all_of( | |
486 | annotations.begin(), annotations.end(), | |
487 | [&](const Annotation &a) { return a.format() == format; }); | |
488 | ||
489 | const QRectF rect(start, top, end - start, bottom - top); | |
490 | const int r = h / 4; | |
491 | ||
492 | p.setPen(QPen(Qt::NoPen)); | |
493 | p.setBrush(Qt::white); | |
494 | p.drawRoundedRect(rect, r, r); | |
495 | ||
496 | p.setPen((single_format ? OutlineColours[colour] : Qt::gray)); | |
497 | p.setBrush(QBrush((single_format ? Colours[colour] : Qt::gray), | |
498 | Qt::Dense4Pattern)); | |
499 | p.drawRoundedRect(rect, r, r); | |
500 | } | |
501 | ||
502 | void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
503 | int h, double x, int y) const | |
504 | { | |
505 | const QString text = a.annotations().empty() ? | |
506 | QString() : a.annotations().back(); | |
507 | const double w = min((double)p.boundingRect(QRectF(), 0, text).width(), | |
508 | 0.0) + h; | |
509 | const QRectF rect(x - w / 2, y - h / 2, w, h); | |
510 | ||
511 | p.drawRoundedRect(rect, h / 2, h / 2); | |
512 | ||
513 | p.setPen(Qt::black); | |
514 | p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text); | |
515 | } | |
516 | ||
517 | void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
518 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
519 | int row_title_width) const | |
520 | { | |
521 | const double top = y + .5 - h / 2; | |
522 | const double bottom = y + .5 + h / 2; | |
523 | const vector<QString> annotations = a.annotations(); | |
524 | ||
525 | // If the two ends are within 1 pixel, draw a vertical line | |
526 | if (start + 1.0 > end) { | |
527 | p.drawLine(QPointF(start, top), QPointF(start, bottom)); | |
528 | return; | |
529 | } | |
530 | ||
531 | const double cap_width = min((end - start) / 4, EndCapWidth); | |
532 | ||
533 | QPointF pts[] = { | |
534 | QPointF(start, y + .5f), | |
535 | QPointF(start + cap_width, top), | |
536 | QPointF(end - cap_width, top), | |
537 | QPointF(end, y + .5f), | |
538 | QPointF(end - cap_width, bottom), | |
539 | QPointF(start + cap_width, bottom) | |
540 | }; | |
541 | ||
542 | p.drawConvexPolygon(pts, countof(pts)); | |
543 | ||
544 | if (annotations.empty()) | |
545 | return; | |
546 | ||
547 | const int ann_start = start + cap_width; | |
548 | const int ann_end = end - cap_width; | |
549 | ||
550 | const int real_start = max(ann_start, pp.left() + row_title_width); | |
551 | const int real_end = min(ann_end, pp.right()); | |
552 | const int real_width = real_end - real_start; | |
553 | ||
554 | QRectF rect(real_start, y - h / 2, real_width, h); | |
555 | if (rect.width() <= 4) | |
556 | return; | |
557 | ||
558 | p.setPen(Qt::black); | |
559 | ||
560 | // Try to find an annotation that will fit | |
561 | QString best_annotation; | |
562 | int best_width = 0; | |
563 | ||
564 | for (const QString &a : annotations) { | |
565 | const int w = p.boundingRect(QRectF(), 0, a).width(); | |
566 | if (w <= rect.width() && w > best_width) | |
567 | best_annotation = a, best_width = w; | |
568 | } | |
569 | ||
570 | if (best_annotation.isEmpty()) | |
571 | best_annotation = annotations.back(); | |
572 | ||
573 | // If not ellide the last in the list | |
574 | p.drawText(rect, Qt::AlignCenter, p.fontMetrics().elidedText( | |
575 | best_annotation, Qt::ElideRight, rect.width())); | |
576 | } | |
577 | ||
578 | void DecodeTrace::draw_error(QPainter &p, const QString &message, | |
579 | const ViewItemPaintParams &pp) | |
580 | { | |
581 | const int y = get_visual_y(); | |
582 | ||
583 | p.setPen(ErrorBgColour.darker()); | |
584 | p.setBrush(ErrorBgColour); | |
585 | ||
586 | const QRectF bounding_rect = | |
587 | QRectF(pp.left(), INT_MIN / 2 + y, pp.right(), INT_MAX); | |
588 | const QRectF text_rect = p.boundingRect(bounding_rect, | |
589 | Qt::AlignCenter, message); | |
590 | const float r = text_rect.height() / 4; | |
591 | ||
592 | p.drawRoundedRect(text_rect.adjusted(-r, -r, r, r), r, r, | |
593 | Qt::AbsoluteSize); | |
594 | ||
595 | p.setPen(Qt::black); | |
596 | p.drawText(text_rect, message); | |
597 | } | |
598 | ||
599 | void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const | |
600 | { | |
601 | using namespace pv::data; | |
602 | using pv::data::decode::Decoder; | |
603 | ||
604 | double samples_per_pixel, pixels_offset; | |
605 | ||
606 | const int64_t sample_count = decode_signal_->get_working_sample_count(); | |
607 | if (sample_count == 0) | |
608 | return; | |
609 | ||
610 | const int64_t samples_decoded = decode_signal_->get_decoded_sample_count(); | |
611 | if (sample_count == samples_decoded) | |
612 | return; | |
613 | ||
614 | const int y = get_visual_y(); | |
615 | ||
616 | tie(pixels_offset, samples_per_pixel) = get_pixels_offset_samples_per_pixel(); | |
617 | ||
618 | const double start = max(samples_decoded / | |
619 | samples_per_pixel - pixels_offset, left - 1.0); | |
620 | const double end = min(sample_count / samples_per_pixel - | |
621 | pixels_offset, right + 1.0); | |
622 | const QRectF no_decode_rect(start, y - (h / 2) + 0.5, end - start, h); | |
623 | ||
624 | p.setPen(QPen(Qt::NoPen)); | |
625 | p.setBrush(Qt::white); | |
626 | p.drawRect(no_decode_rect); | |
627 | ||
628 | p.setPen(NoDecodeColour); | |
629 | p.setBrush(QBrush(NoDecodeColour, Qt::Dense6Pattern)); | |
630 | p.drawRect(no_decode_rect); | |
631 | } | |
632 | ||
633 | pair<double, double> DecodeTrace::get_pixels_offset_samples_per_pixel() const | |
634 | { | |
635 | assert(owner_); | |
636 | ||
637 | const View *view = owner_->view(); | |
638 | assert(view); | |
639 | ||
640 | const double scale = view->scale(); | |
641 | assert(scale > 0); | |
642 | ||
643 | const double pixels_offset = | |
644 | ((view->offset() - decode_signal_->start_time()) / scale).convert_to<double>(); | |
645 | ||
646 | double samplerate = decode_signal_->samplerate(); | |
647 | ||
648 | // Show sample rate as 1Hz when it is unknown | |
649 | if (samplerate == 0.0) | |
650 | samplerate = 1.0; | |
651 | ||
652 | return make_pair(pixels_offset, samplerate * scale); | |
653 | } | |
654 | ||
655 | pair<uint64_t, uint64_t> DecodeTrace::get_sample_range( | |
656 | int x_start, int x_end) const | |
657 | { | |
658 | double samples_per_pixel, pixels_offset; | |
659 | tie(pixels_offset, samples_per_pixel) = | |
660 | get_pixels_offset_samples_per_pixel(); | |
661 | ||
662 | const uint64_t start = (uint64_t)max( | |
663 | (x_start + pixels_offset) * samples_per_pixel, 0.0); | |
664 | const uint64_t end = (uint64_t)max( | |
665 | (x_end + pixels_offset) * samples_per_pixel, 0.0); | |
666 | ||
667 | return make_pair(start, end); | |
668 | } | |
669 | ||
670 | int DecodeTrace::get_row_at_point(const QPoint &point) | |
671 | { | |
672 | if (!row_height_) | |
673 | return -1; | |
674 | ||
675 | const int y = (point.y() - get_visual_y() + row_height_ / 2); | |
676 | ||
677 | /* Integer divison of (x-1)/x would yield 0, so we check for this. */ | |
678 | if (y < 0) | |
679 | return -1; | |
680 | ||
681 | const int row = y / row_height_; | |
682 | ||
683 | if (row >= (int)visible_rows_.size()) | |
684 | return -1; | |
685 | ||
686 | return row; | |
687 | } | |
688 | ||
689 | const QString DecodeTrace::get_annotation_at_point(const QPoint &point) | |
690 | { | |
691 | using namespace pv::data::decode; | |
692 | ||
693 | if (!enabled()) | |
694 | return QString(); | |
695 | ||
696 | const pair<uint64_t, uint64_t> sample_range = | |
697 | get_sample_range(point.x(), point.x() + 1); | |
698 | const int row = get_row_at_point(point); | |
699 | if (row < 0) | |
700 | return QString(); | |
701 | ||
702 | vector<pv::data::decode::Annotation> annotations; | |
703 | ||
704 | decode_signal_->get_annotation_subset(annotations, visible_rows_[row], | |
705 | sample_range.first, sample_range.second); | |
706 | ||
707 | return (annotations.empty()) ? | |
708 | QString() : annotations[0].annotations().front(); | |
709 | } | |
710 | ||
711 | void DecodeTrace::hover_point_changed() | |
712 | { | |
713 | assert(owner_); | |
714 | ||
715 | const View *const view = owner_->view(); | |
716 | assert(view); | |
717 | ||
718 | QPoint hp = view->hover_point(); | |
719 | ||
720 | if (hp.x() == 0) { | |
721 | QToolTip::hideText(); | |
722 | return; | |
723 | } | |
724 | ||
725 | QString ann = get_annotation_at_point(hp); | |
726 | ||
727 | assert(view); | |
728 | ||
729 | if (!row_height_ || ann.isEmpty()) { | |
730 | QToolTip::hideText(); | |
731 | return; | |
732 | } | |
733 | ||
734 | const int hover_row = get_row_at_point(hp); | |
735 | ||
736 | QFontMetrics m(QToolTip::font()); | |
737 | const QRect text_size = m.boundingRect(QRect(), 0, ann); | |
738 | ||
739 | // This is OS-specific and unfortunately we can't query it, so | |
740 | // use an approximation to at least try to minimize the error. | |
741 | const int padding = 8; | |
742 | ||
743 | // Make sure the tool tip doesn't overlap with the mouse cursor. | |
744 | // If it did, the tool tip would constantly hide and re-appear. | |
745 | // We also push it up by one row so that it appears above the | |
746 | // decode trace, not below. | |
747 | hp.setX(hp.x() - (text_size.width() / 2) - padding); | |
748 | ||
749 | hp.setY(get_visual_y() - (row_height_ / 2) + | |
750 | (hover_row * row_height_) - | |
751 | row_height_ - text_size.height() - padding); | |
752 | ||
753 | QToolTip::showText(view->viewport()->mapToGlobal(hp), ann); | |
754 | } | |
755 | ||
756 | void DecodeTrace::create_decoder_form(int index, | |
757 | shared_ptr<data::decode::Decoder> &dec, QWidget *parent, | |
758 | QFormLayout *form) | |
759 | { | |
760 | GlobalSettings settings; | |
761 | ||
762 | assert(dec); | |
763 | const srd_decoder *const decoder = dec->decoder(); | |
764 | assert(decoder); | |
765 | ||
766 | const bool decoder_deletable = index > 0; | |
767 | ||
768 | pv::widgets::DecoderGroupBox *const group = | |
769 | new pv::widgets::DecoderGroupBox( | |
770 | QString::fromUtf8(decoder->name), | |
771 | tr("%1:\n%2").arg(QString::fromUtf8(decoder->longname), | |
772 | QString::fromUtf8(decoder->desc)), | |
773 | nullptr, decoder_deletable); | |
774 | group->set_decoder_visible(dec->shown()); | |
775 | ||
776 | if (decoder_deletable) { | |
777 | delete_mapper_.setMapping(group, index); | |
778 | connect(group, SIGNAL(delete_decoder()), &delete_mapper_, SLOT(map())); | |
779 | } | |
780 | ||
781 | show_hide_mapper_.setMapping(group, index); | |
782 | connect(group, SIGNAL(show_hide_decoder()), | |
783 | &show_hide_mapper_, SLOT(map())); | |
784 | ||
785 | QFormLayout *const decoder_form = new QFormLayout; | |
786 | group->add_layout(decoder_form); | |
787 | ||
788 | const vector<DecodeChannel> channels = decode_signal_->get_channels(); | |
789 | ||
790 | // Add the channels | |
791 | for (DecodeChannel ch : channels) { | |
792 | // Ignore channels not part of the decoder we create the form for | |
793 | if (ch.decoder_ != dec) | |
794 | continue; | |
795 | ||
796 | QComboBox *const combo = create_channel_selector(parent, &ch); | |
797 | QComboBox *const combo_init_state = create_channel_selector_init_state(parent, &ch); | |
798 | ||
799 | channel_id_map_[combo] = ch.id; | |
800 | init_state_map_[combo_init_state] = ch.id; | |
801 | ||
802 | connect(combo, SIGNAL(currentIndexChanged(int)), | |
803 | this, SLOT(on_channel_selected(int))); | |
804 | connect(combo_init_state, SIGNAL(currentIndexChanged(int)), | |
805 | this, SLOT(on_init_state_changed(int))); | |
806 | ||
807 | QHBoxLayout *const hlayout = new QHBoxLayout; | |
808 | hlayout->addWidget(combo); | |
809 | hlayout->addWidget(combo_init_state); | |
810 | ||
811 | if (!settings.value(GlobalSettings::Key_Dec_InitialStateConfigurable).toBool()) | |
812 | combo_init_state->hide(); | |
813 | ||
814 | const QString required_flag = ch.is_optional ? QString() : QString("*"); | |
815 | decoder_form->addRow(tr("<b>%1</b> (%2) %3") | |
816 | .arg(ch.name, ch.desc, required_flag), hlayout); | |
817 | } | |
818 | ||
819 | // Add the options | |
820 | shared_ptr<binding::Decoder> binding( | |
821 | new binding::Decoder(decode_signal_, dec)); | |
822 | binding->add_properties_to_form(decoder_form, true); | |
823 | ||
824 | bindings_.push_back(binding); | |
825 | ||
826 | form->addRow(group); | |
827 | decoder_forms_.push_back(group); | |
828 | } | |
829 | ||
830 | QComboBox* DecodeTrace::create_channel_selector(QWidget *parent, const DecodeChannel *ch) | |
831 | { | |
832 | const auto sigs(session_.signalbases()); | |
833 | ||
834 | // Sort signals in natural order | |
835 | vector< shared_ptr<data::SignalBase> > sig_list(sigs.begin(), sigs.end()); | |
836 | sort(sig_list.begin(), sig_list.end(), | |
837 | [](const shared_ptr<data::SignalBase> &a, | |
838 | const shared_ptr<data::SignalBase> &b) { | |
839 | return strnatcasecmp(a->name().toStdString(), | |
840 | b->name().toStdString()) < 0; }); | |
841 | ||
842 | QComboBox *selector = new QComboBox(parent); | |
843 | ||
844 | selector->addItem("-", qVariantFromValue((void*)nullptr)); | |
845 | ||
846 | if (!ch->assigned_signal) | |
847 | selector->setCurrentIndex(0); | |
848 | ||
849 | for (const shared_ptr<data::SignalBase> &b : sig_list) { | |
850 | assert(b); | |
851 | if (b->logic_data() && b->enabled()) { | |
852 | selector->addItem(b->name(), | |
853 | qVariantFromValue((void*)b.get())); | |
854 | ||
855 | if (ch->assigned_signal == b.get()) | |
856 | selector->setCurrentIndex(selector->count() - 1); | |
857 | } | |
858 | } | |
859 | ||
860 | return selector; | |
861 | } | |
862 | ||
863 | QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent, | |
864 | const DecodeChannel *ch) | |
865 | { | |
866 | QComboBox *selector = new QComboBox(parent); | |
867 | ||
868 | selector->addItem("0", qVariantFromValue((int)SRD_INITIAL_PIN_LOW)); | |
869 | selector->addItem("1", qVariantFromValue((int)SRD_INITIAL_PIN_HIGH)); | |
870 | selector->addItem("X", qVariantFromValue((int)SRD_INITIAL_PIN_SAME_AS_SAMPLE0)); | |
871 | ||
872 | selector->setCurrentIndex(ch->initial_pin_state); | |
873 | ||
874 | selector->setToolTip("Initial (assumed) pin value before the first sample"); | |
875 | ||
876 | return selector; | |
877 | } | |
878 | ||
879 | void DecodeTrace::on_new_annotations() | |
880 | { | |
881 | if (!delayed_trace_updater_.isActive()) | |
882 | delayed_trace_updater_.start(); | |
883 | } | |
884 | ||
885 | void DecodeTrace::on_delayed_trace_update() | |
886 | { | |
887 | if (owner_) | |
888 | owner_->row_item_appearance_changed(false, true); | |
889 | } | |
890 | ||
891 | void DecodeTrace::on_decode_finished() | |
892 | { | |
893 | if (owner_) | |
894 | owner_->row_item_appearance_changed(false, true); | |
895 | } | |
896 | ||
897 | void DecodeTrace::delete_pressed() | |
898 | { | |
899 | on_delete(); | |
900 | } | |
901 | ||
902 | void DecodeTrace::on_delete() | |
903 | { | |
904 | session_.remove_decode_signal(decode_signal_); | |
905 | } | |
906 | ||
907 | void DecodeTrace::on_channel_selected(int) | |
908 | { | |
909 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
910 | ||
911 | // Determine signal that was selected | |
912 | const data::SignalBase *signal = | |
913 | (data::SignalBase*)cb->itemData(cb->currentIndex()).value<void*>(); | |
914 | ||
915 | // Determine decode channel ID this combo box is the channel selector for | |
916 | const uint16_t id = channel_id_map_.at(cb); | |
917 | ||
918 | decode_signal_->assign_signal(id, signal); | |
919 | } | |
920 | ||
921 | void DecodeTrace::on_channels_updated() | |
922 | { | |
923 | if (owner_) | |
924 | owner_->row_item_appearance_changed(false, true); | |
925 | } | |
926 | ||
927 | void DecodeTrace::on_init_state_changed(int) | |
928 | { | |
929 | QComboBox *cb = qobject_cast<QComboBox*>(QObject::sender()); | |
930 | ||
931 | // Determine inital pin state that was selected | |
932 | int init_state = cb->itemData(cb->currentIndex()).value<int>(); | |
933 | ||
934 | // Determine decode channel ID this combo box is the channel selector for | |
935 | const uint16_t id = init_state_map_.at(cb); | |
936 | ||
937 | decode_signal_->set_initial_pin_state(id, init_state); | |
938 | } | |
939 | ||
940 | void DecodeTrace::on_stack_decoder(srd_decoder *decoder) | |
941 | { | |
942 | decode_signal_->stack_decoder(decoder); | |
943 | ||
944 | create_popup_form(); | |
945 | } | |
946 | ||
947 | void DecodeTrace::on_delete_decoder(int index) | |
948 | { | |
949 | decode_signal_->remove_decoder(index); | |
950 | ||
951 | // Update the popup | |
952 | create_popup_form(); | |
953 | } | |
954 | ||
955 | void DecodeTrace::on_show_hide_decoder(int index) | |
956 | { | |
957 | const bool state = decode_signal_->toggle_decoder_visibility(index); | |
958 | ||
959 | assert(index < (int)decoder_forms_.size()); | |
960 | decoder_forms_[index]->set_decoder_visible(state); | |
961 | ||
962 | if (owner_) | |
963 | owner_->row_item_appearance_changed(false, true); | |
964 | } | |
965 | ||
966 | } // namespace trace | |
967 | } // namespace views | |
968 | } // namespace pv |