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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 | #include <extdef.h> | |
21 | ||
22 | #include <cassert> | |
23 | #include <cmath> | |
24 | #include <cstdlib> | |
25 | #include <limits> | |
26 | #include <vector> | |
27 | ||
28 | #include <QApplication> | |
29 | #include <QCheckBox> | |
30 | #include <QComboBox> | |
31 | #include <QDebug> | |
32 | #include <QFormLayout> | |
33 | #include <QGridLayout> | |
34 | #include <QLabel> | |
35 | #include <QString> | |
36 | ||
37 | #include "analogsignal.hpp" | |
38 | #include "logicsignal.hpp" | |
39 | #include "view.hpp" | |
40 | ||
41 | #include "pv/util.hpp" | |
42 | #include "pv/data/analog.hpp" | |
43 | #include "pv/data/analogsegment.hpp" | |
44 | #include "pv/data/logic.hpp" | |
45 | #include "pv/data/logicsegment.hpp" | |
46 | #include "pv/data/signalbase.hpp" | |
47 | #include "pv/globalsettings.hpp" | |
48 | ||
49 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
50 | ||
51 | using std::deque; | |
52 | using std::div; | |
53 | using std::div_t; | |
54 | // Note that "using std::isnan;" is _not_ put here since that would break | |
55 | // compilation on some platforms. Use "std::isnan()" instead in checks below. | |
56 | using std::max; | |
57 | using std::make_pair; | |
58 | using std::min; | |
59 | using std::numeric_limits; | |
60 | using std::out_of_range; | |
61 | using std::pair; | |
62 | using std::shared_ptr; | |
63 | using std::vector; | |
64 | ||
65 | using pv::data::LogicSegment; | |
66 | using pv::data::SignalBase; | |
67 | using pv::util::SIPrefix; | |
68 | using pv::util::determine_value_prefix; | |
69 | ||
70 | namespace pv { | |
71 | namespace views { | |
72 | namespace trace { | |
73 | ||
74 | const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2); | |
75 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); | |
76 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
77 | ||
78 | const QColor AnalogSignal::SamplingPointColorLo = QColor(200, 0, 0, 80 * 256 / 100); | |
79 | const QColor AnalogSignal::SamplingPointColorNe = QColor(0, 0, 0, 80 * 256 / 100); | |
80 | const QColor AnalogSignal::SamplingPointColorHi = QColor(0, 200, 0, 80 * 256 / 100); | |
81 | ||
82 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); | |
83 | const QColor AnalogSignal::ThresholdColorLo = QColor(255, 0, 0, 8 * 256 / 100); | |
84 | const QColor AnalogSignal::ThresholdColorNe = QColor(0, 0, 0, 10 * 256 / 100); | |
85 | const QColor AnalogSignal::ThresholdColorHi = QColor(0, 255, 0, 8 * 256 / 100); | |
86 | ||
87 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) | |
88 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
89 | ||
90 | const int AnalogSignal::MaximumVDivs = 10; | |
91 | const int AnalogSignal::MinScaleIndex = -6; // 0.01 units/div | |
92 | const int AnalogSignal::MaxScaleIndex = 10; // 1000 units/div | |
93 | ||
94 | const int AnalogSignal::InfoTextMarginRight = 20; | |
95 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
96 | ||
97 | AnalogSignal::AnalogSignal(pv::Session &session, shared_ptr<data::SignalBase> base) : | |
98 | LogicSignal(session, base), | |
99 | value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN()), | |
100 | scale_index_(4), // 20 per div | |
101 | pos_vdivs_(1), | |
102 | neg_vdivs_(1), | |
103 | resolution_(0), | |
104 | display_type_(DisplayAnalog), | |
105 | autoranging_(true) | |
106 | { | |
107 | axis_pen_ = AxisPen; | |
108 | ||
109 | pv::data::Analog* analog_data = | |
110 | dynamic_cast<pv::data::Analog*>(base_->analog_data().get()); | |
111 | ||
112 | connect(analog_data, SIGNAL(min_max_changed(float, float)), | |
113 | this, SLOT(on_min_max_changed(float, float))); | |
114 | ||
115 | GlobalSettings settings; | |
116 | show_sampling_points_ = | |
117 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
118 | fill_high_areas_ = | |
119 | settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool(); | |
120 | high_fill_color_ = QColor::fromRgba(settings.value( | |
121 | GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>()); | |
122 | show_analog_minor_grid_ = | |
123 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
124 | conversion_threshold_disp_mode_ = | |
125 | settings.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt(); | |
126 | div_height_ = settings.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
127 | ||
128 | update_logic_level_offsets(); | |
129 | update_scale(); | |
130 | } | |
131 | ||
132 | std::map<QString, QVariant> AnalogSignal::save_settings() const | |
133 | { | |
134 | LogicSignal::save_settings(); | |
135 | ||
136 | std::map<QString, QVariant> result; | |
137 | ||
138 | result["pos_vdivs"] = pos_vdivs_; | |
139 | result["neg_vdivs"] = neg_vdivs_; | |
140 | result["scale_index"] = scale_index_; | |
141 | result["display_type"] = display_type_; | |
142 | result["autoranging"] = autoranging_; | |
143 | result["div_height"] = div_height_; | |
144 | ||
145 | return result; | |
146 | } | |
147 | ||
148 | void AnalogSignal::restore_settings(std::map<QString, QVariant> settings) | |
149 | { | |
150 | LogicSignal::restore_settings(settings); | |
151 | ||
152 | auto entry = settings.find("pos_vdivs"); | |
153 | if (entry != settings.end()) | |
154 | pos_vdivs_ = settings["pos_vdivs"].toInt(); | |
155 | ||
156 | entry = settings.find("neg_vdivs"); | |
157 | if (entry != settings.end()) | |
158 | neg_vdivs_ = settings["neg_vdivs"].toInt(); | |
159 | ||
160 | entry = settings.find("scale_index"); | |
161 | if (entry != settings.end()) { | |
162 | scale_index_ = settings["scale_index"].toInt(); | |
163 | update_scale(); | |
164 | } | |
165 | ||
166 | entry = settings.find("display_type"); | |
167 | if (entry != settings.end()) | |
168 | display_type_ = (DisplayType)(settings["display_type"].toInt()); | |
169 | ||
170 | entry = settings.find("autoranging"); | |
171 | if (entry != settings.end()) | |
172 | autoranging_ = settings["autoranging"].toBool(); | |
173 | ||
174 | entry = settings.find("div_height"); | |
175 | if (entry != settings.end()) { | |
176 | const int old_height = div_height_; | |
177 | div_height_ = settings["div_height"].toInt(); | |
178 | ||
179 | update_logic_level_offsets(); | |
180 | ||
181 | if ((div_height_ != old_height) && owner_) { | |
182 | // Call order is important, otherwise the lazy event handler won't work | |
183 | owner_->extents_changed(false, true); | |
184 | owner_->row_item_appearance_changed(false, true); | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | pair<int, int> AnalogSignal::v_extents() const | |
190 | { | |
191 | const int ph = pos_vdivs_ * div_height_; | |
192 | const int nh = neg_vdivs_ * div_height_; | |
193 | ||
194 | return make_pair(-ph, nh); | |
195 | } | |
196 | ||
197 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) | |
198 | { | |
199 | if (!base_->enabled()) | |
200 | return; | |
201 | ||
202 | bool paint_thr_bg = | |
203 | conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Background; | |
204 | ||
205 | const vector<double> thresholds = base_->get_conversion_thresholds(); | |
206 | ||
207 | // Only display thresholds if we have some and we show analog samples | |
208 | if ((thresholds.size() > 0) && paint_thr_bg && | |
209 | ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth))) { | |
210 | ||
211 | const int visual_y = get_visual_y(); | |
212 | const pair<int, int> extents = v_extents(); | |
213 | const int top = visual_y + extents.first; | |
214 | const int btm = visual_y + extents.second; | |
215 | ||
216 | // Draw high/neutral/low areas | |
217 | if (thresholds.size() == 2) { | |
218 | int thr_lo = visual_y - thresholds[0] * scale_; | |
219 | int thr_hi = visual_y - thresholds[1] * scale_; | |
220 | thr_lo = min(max(thr_lo, top), btm); | |
221 | thr_hi = min(max(thr_hi, top), btm); | |
222 | ||
223 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr_hi - top), | |
224 | QBrush(ThresholdColorHi)); | |
225 | p.fillRect(QRectF(pp.left(), thr_hi, pp.width(), thr_lo - thr_hi), | |
226 | QBrush(ThresholdColorNe)); | |
227 | p.fillRect(QRectF(pp.left(), thr_lo, pp.width(), btm - thr_lo), | |
228 | QBrush(ThresholdColorLo)); | |
229 | } else { | |
230 | int thr = visual_y - thresholds[0] * scale_; | |
231 | thr = min(max(thr, top), btm); | |
232 | ||
233 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr - top), | |
234 | QBrush(ThresholdColorHi)); | |
235 | p.fillRect(QRectF(pp.left(), thr, pp.width(), btm - thr), | |
236 | QBrush(ThresholdColorLo)); | |
237 | } | |
238 | ||
239 | paint_axis(p, pp, get_visual_y()); | |
240 | } else { | |
241 | Signal::paint_back(p, pp); | |
242 | paint_axis(p, pp, get_visual_y()); | |
243 | } | |
244 | } | |
245 | ||
246 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
247 | { | |
248 | assert(base_->analog_data()); | |
249 | assert(owner_); | |
250 | ||
251 | const int y = get_visual_y(); | |
252 | ||
253 | if (!base_->enabled()) | |
254 | return; | |
255 | ||
256 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { | |
257 | paint_grid(p, y, pp.left(), pp.right()); | |
258 | ||
259 | shared_ptr<pv::data::AnalogSegment> segment = get_analog_segment_to_paint(); | |
260 | ||
261 | if (segment && (segment->get_sample_count() > 0)) { | |
262 | const double pixels_offset = pp.pixels_offset(); | |
263 | const double samplerate = max(1.0, segment->samplerate()); | |
264 | const pv::util::Timestamp& start_time = segment->start_time(); | |
265 | const int64_t last_sample = (int64_t)segment->get_sample_count() - 1; | |
266 | const double samples_per_pixel = samplerate * pp.scale(); | |
267 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
268 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
269 | ||
270 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
271 | (int64_t)0), last_sample); | |
272 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
273 | (int64_t)0), last_sample); | |
274 | ||
275 | if (samples_per_pixel < EnvelopeThreshold) | |
276 | paint_trace(p, segment, y, pp.left(), start_sample, end_sample, | |
277 | pixels_offset, samples_per_pixel); | |
278 | else | |
279 | paint_envelope(p, segment, y, pp.left(), start_sample, end_sample, | |
280 | pixels_offset, samples_per_pixel); | |
281 | } | |
282 | } | |
283 | ||
284 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) | |
285 | if (base_->logic_data()) | |
286 | LogicSignal::paint_mid(p, pp); | |
287 | ||
288 | const QString err = base_->get_error_message(); | |
289 | if (!err.isEmpty()) | |
290 | paint_error(p, pp); | |
291 | } | |
292 | ||
293 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
294 | { | |
295 | if (!enabled()) | |
296 | return; | |
297 | ||
298 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { | |
299 | const int y = get_visual_y(); | |
300 | ||
301 | QString infotext; | |
302 | ||
303 | SIPrefix prefix; | |
304 | if (fabs(signal_max_) > fabs(signal_min_)) | |
305 | prefix = determine_value_prefix(fabs(signal_max_)); | |
306 | else | |
307 | prefix = determine_value_prefix(fabs(signal_min_)); | |
308 | ||
309 | // Show the info section on the right side of the trace, including | |
310 | // the value at the hover point when the hover marker is enabled | |
311 | // and we have corresponding data available | |
312 | if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) { | |
313 | infotext = QString("[%1] %2 V/div") | |
314 | .arg(format_value_si(value_at_hover_pos_, prefix, 3, "V", false)) | |
315 | .arg(resolution_); | |
316 | } else | |
317 | infotext = QString("%1 V/div").arg(resolution_); | |
318 | ||
319 | p.setPen(base_->color()); | |
320 | p.setFont(QApplication::font()); | |
321 | ||
322 | const QRectF bounding_rect = QRectF(pp.left(), | |
323 | y + v_extents().first, | |
324 | pp.width() - InfoTextMarginRight, | |
325 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
326 | ||
327 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); | |
328 | ||
329 | if (show_hover_marker_) | |
330 | paint_hover_marker(p); | |
331 | } | |
332 | ||
333 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) | |
334 | LogicSignal::paint_fore(p, pp); | |
335 | } | |
336 | ||
337 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) | |
338 | { | |
339 | bool was_antialiased = p.testRenderHint(QPainter::Antialiasing); | |
340 | p.setRenderHint(QPainter::Antialiasing, false); | |
341 | ||
342 | if (pos_vdivs_ > 0) { | |
343 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
344 | for (int i = 1; i <= pos_vdivs_; i++) { | |
345 | const float dy = i * div_height_; | |
346 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
347 | } | |
348 | } | |
349 | ||
350 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { | |
351 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
352 | for (int i = 0; i < pos_vdivs_; i++) { | |
353 | const float dy = i * div_height_; | |
354 | const float dy25 = dy + (0.25 * div_height_); | |
355 | const float dy50 = dy + (0.50 * div_height_); | |
356 | const float dy75 = dy + (0.75 * div_height_); | |
357 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
358 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
359 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
360 | } | |
361 | } | |
362 | ||
363 | if (neg_vdivs_ > 0) { | |
364 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
365 | for (int i = 1; i <= neg_vdivs_; i++) { | |
366 | const float dy = i * div_height_; | |
367 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
368 | } | |
369 | } | |
370 | ||
371 | if ((pos_vdivs_ > 0) && show_analog_minor_grid_) { | |
372 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
373 | for (int i = 0; i < neg_vdivs_; i++) { | |
374 | const float dy = i * div_height_; | |
375 | const float dy25 = dy + (0.25 * div_height_); | |
376 | const float dy50 = dy + (0.50 * div_height_); | |
377 | const float dy75 = dy + (0.75 * div_height_); | |
378 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
379 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
380 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
381 | } | |
382 | } | |
383 | ||
384 | p.setRenderHint(QPainter::Antialiasing, was_antialiased); | |
385 | } | |
386 | ||
387 | void AnalogSignal::paint_trace(QPainter &p, | |
388 | const shared_ptr<pv::data::AnalogSegment> &segment, | |
389 | int y, int left, const int64_t start, const int64_t end, | |
390 | const double pixels_offset, const double samples_per_pixel) | |
391 | { | |
392 | if (end <= start) | |
393 | return; | |
394 | ||
395 | bool paint_thr_dots = | |
396 | (base_->get_conversion_type() != data::SignalBase::NoConversion) && | |
397 | (conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Dots); | |
398 | ||
399 | vector<double> thresholds; | |
400 | if (paint_thr_dots) | |
401 | thresholds = base_->get_conversion_thresholds(); | |
402 | ||
403 | // Calculate and paint the sampling points if enabled and useful | |
404 | GlobalSettings settings; | |
405 | const bool show_sampling_points = | |
406 | (show_sampling_points_ || paint_thr_dots) && (samples_per_pixel < 0.25); | |
407 | ||
408 | p.setPen(base_->color()); | |
409 | ||
410 | const int64_t points_count = end - start + 1; | |
411 | ||
412 | QPointF *points = new QPointF[points_count]; | |
413 | QPointF *point = points; | |
414 | ||
415 | vector<QRectF> sampling_points[3]; | |
416 | ||
417 | int64_t sample_count = min(points_count, TracePaintBlockSize); | |
418 | int64_t block_sample = 0; | |
419 | float *sample_block = new float[TracePaintBlockSize]; | |
420 | segment->get_samples(start, start + sample_count, sample_block); | |
421 | ||
422 | if (show_hover_marker_) | |
423 | reset_pixel_values(); | |
424 | ||
425 | const int w = 2; | |
426 | for (int64_t sample = start; sample <= end; sample++, block_sample++) { | |
427 | ||
428 | // Fetch next block of samples if we finished the current one | |
429 | if (block_sample == TracePaintBlockSize) { | |
430 | block_sample = 0; | |
431 | sample_count = min(points_count - sample, TracePaintBlockSize); | |
432 | segment->get_samples(sample, sample + sample_count, sample_block); | |
433 | } | |
434 | ||
435 | const float abs_x = sample / samples_per_pixel - pixels_offset; | |
436 | const float x = left + abs_x; | |
437 | ||
438 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); | |
439 | ||
440 | // Generate the pixel<->value lookup table for the mouse hover | |
441 | if (show_hover_marker_) | |
442 | process_next_sample_value(abs_x, sample_block[block_sample]); | |
443 | ||
444 | // Create the sampling points if needed | |
445 | if (show_sampling_points) { | |
446 | int idx = 0; // Neutral | |
447 | ||
448 | if (paint_thr_dots) { | |
449 | if (thresholds.size() == 1) | |
450 | idx = (sample_block[block_sample] >= thresholds[0]) ? 2 : 1; | |
451 | else if (thresholds.size() == 2) { | |
452 | if (sample_block[block_sample] > thresholds[1]) | |
453 | idx = 2; // High | |
454 | else if (sample_block[block_sample] < thresholds[0]) | |
455 | idx = 1; // Low | |
456 | } | |
457 | } | |
458 | ||
459 | sampling_points[idx].emplace_back(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
460 | } | |
461 | } | |
462 | delete[] sample_block; | |
463 | ||
464 | // QPainter::drawPolyline() is slow, let's paint the lines ourselves | |
465 | for (int64_t i = 1; i < points_count; i++) | |
466 | p.drawLine(points[i - 1], points[i]); | |
467 | ||
468 | if (show_sampling_points) { | |
469 | if (paint_thr_dots) { | |
470 | p.setPen(SamplingPointColorNe); | |
471 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); | |
472 | p.setPen(SamplingPointColorLo); | |
473 | p.drawRects(sampling_points[1].data(), sampling_points[1].size()); | |
474 | p.setPen(SamplingPointColorHi); | |
475 | p.drawRects(sampling_points[2].data(), sampling_points[2].size()); | |
476 | } else { | |
477 | p.setPen(SamplingPointColor); | |
478 | p.drawRects(sampling_points[0].data(), sampling_points[0].size()); | |
479 | } | |
480 | } | |
481 | ||
482 | delete[] points; | |
483 | } | |
484 | ||
485 | void AnalogSignal::paint_envelope(QPainter &p, | |
486 | const shared_ptr<pv::data::AnalogSegment> &segment, | |
487 | int y, int left, const int64_t start, const int64_t end, | |
488 | const double pixels_offset, const double samples_per_pixel) | |
489 | { | |
490 | using pv::data::AnalogSegment; | |
491 | ||
492 | // Note: Envelope painting currently doesn't generate a pixel<->value lookup table | |
493 | if (show_hover_marker_) | |
494 | reset_pixel_values(); | |
495 | ||
496 | AnalogSegment::EnvelopeSection e; | |
497 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
498 | ||
499 | if (e.length < 2) | |
500 | return; | |
501 | ||
502 | p.setPen(QPen(Qt::NoPen)); | |
503 | p.setBrush(base_->color()); | |
504 | ||
505 | QRectF *const rects = new QRectF[e.length]; | |
506 | QRectF *rect = rects; | |
507 | ||
508 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { | |
509 | const float x = ((e.scale * sample + e.start) / | |
510 | samples_per_pixel - pixels_offset) + left; | |
511 | ||
512 | const AnalogSegment::EnvelopeSample *const s = e.samples + sample; | |
513 | ||
514 | // We overlap this sample with the next so that vertical | |
515 | // gaps do not appear during steep rising or falling edges | |
516 | const float b = y - max(s->max, (s + 1)->min) * scale_; | |
517 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
518 | ||
519 | float h = b - t; | |
520 | if (h >= 0.0f && h <= 1.0f) | |
521 | h = 1.0f; | |
522 | if (h <= 0.0f && h >= -1.0f) | |
523 | h = -1.0f; | |
524 | ||
525 | *rect++ = QRectF(x, t, 1.0f, h); | |
526 | } | |
527 | ||
528 | p.drawRects(rects, e.length); | |
529 | ||
530 | delete[] rects; | |
531 | delete[] e.samples; | |
532 | } | |
533 | ||
534 | shared_ptr<pv::data::AnalogSegment> AnalogSignal::get_analog_segment_to_paint() const | |
535 | { | |
536 | shared_ptr<pv::data::AnalogSegment> segment; | |
537 | ||
538 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
539 | base_->analog_data()->analog_segments(); | |
540 | ||
541 | if (!segments.empty()) { | |
542 | if (segment_display_mode_ == ShowLastSegmentOnly) | |
543 | segment = segments.back(); | |
544 | ||
545 | if ((segment_display_mode_ == ShowSingleSegmentOnly) || | |
546 | (segment_display_mode_ == ShowLastCompleteSegmentOnly)) { | |
547 | try { | |
548 | segment = segments.at(current_segment_); | |
549 | } catch (out_of_range&) { | |
550 | qDebug() << "Current analog segment out of range for signal" << base_->name() << ":" << current_segment_; | |
551 | } | |
552 | } | |
553 | } | |
554 | ||
555 | return segment; | |
556 | } | |
557 | ||
558 | float AnalogSignal::get_resolution(int scale_index) | |
559 | { | |
560 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
561 | ||
562 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); | |
563 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
564 | countof(seq)); | |
565 | ||
566 | return powf(10.0f, d.quot - offset) * seq[d.rem]; | |
567 | } | |
568 | ||
569 | void AnalogSignal::update_scale() | |
570 | { | |
571 | resolution_ = get_resolution(scale_index_); | |
572 | scale_ = div_height_ / resolution_; | |
573 | } | |
574 | ||
575 | void AnalogSignal::update_logic_level_offsets() | |
576 | { | |
577 | const int signal_margin = QFontMetrics(QApplication::font()).height() / 2; | |
578 | ||
579 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
580 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
581 | ||
582 | high_level_offset_ = -ph + signal_margin + 0.5f; | |
583 | low_level_offset_ = nh - signal_margin - 0.5f; | |
584 | } | |
585 | ||
586 | void AnalogSignal::update_conversion_widgets() | |
587 | { | |
588 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); | |
589 | ||
590 | // Enable or disable widgets depending on conversion state | |
591 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
592 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
593 | ||
594 | conv_threshold_cb_->clear(); | |
595 | ||
596 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
597 | ||
598 | // Prevent the combo box from firing the "edit text changed" signal | |
599 | // as that would involuntarily select the first entry | |
600 | conv_threshold_cb_->blockSignals(true); | |
601 | ||
602 | // Set available options depending on chosen conversion | |
603 | for (pair<QString, int>& preset : presets) | |
604 | conv_threshold_cb_->addItem(preset.first, preset.second); | |
605 | ||
606 | map < QString, QVariant > options = base_->get_conversion_options(); | |
607 | ||
608 | if (conv_type == SignalBase::A2LConversionByThreshold) { | |
609 | const vector<double> thresholds = base_->get_conversion_thresholds( | |
610 | SignalBase::A2LConversionByThreshold, true); | |
611 | conv_threshold_cb_->addItem( | |
612 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
613 | } | |
614 | ||
615 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { | |
616 | const vector<double> thresholds = base_->get_conversion_thresholds( | |
617 | SignalBase::A2LConversionBySchmittTrigger, true); | |
618 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( | |
619 | QString::number(thresholds[0], 'f', 1), | |
620 | QString::number(thresholds[1], 'f', 1)), -1); | |
621 | } | |
622 | ||
623 | int preset_id = base_->get_current_conversion_preset(); | |
624 | conv_threshold_cb_->setCurrentIndex( | |
625 | conv_threshold_cb_->findData(preset_id)); | |
626 | ||
627 | conv_threshold_cb_->blockSignals(false); | |
628 | } | |
629 | ||
630 | vector<data::LogicSegment::EdgePair> AnalogSignal::get_nearest_level_changes(uint64_t sample_pos) | |
631 | { | |
632 | assert(base_); | |
633 | assert(owner_); | |
634 | ||
635 | // Return if there's no logic data or we're showing only the analog trace | |
636 | if (!base_->logic_data() || (display_type_ == DisplayAnalog)) | |
637 | return vector<data::LogicSegment::EdgePair>(); | |
638 | ||
639 | if (sample_pos == 0) | |
640 | return vector<LogicSegment::EdgePair>(); | |
641 | ||
642 | shared_ptr<LogicSegment> segment = get_logic_segment_to_paint(); | |
643 | if (!segment || (segment->get_sample_count() == 0)) | |
644 | return vector<LogicSegment::EdgePair>(); | |
645 | ||
646 | const View *view = owner_->view(); | |
647 | assert(view); | |
648 | const double samples_per_pixel = base_->get_samplerate() * view->scale(); | |
649 | ||
650 | vector<LogicSegment::EdgePair> edges; | |
651 | ||
652 | segment->get_surrounding_edges(edges, sample_pos, | |
653 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
654 | ||
655 | if (edges.empty()) | |
656 | return vector<LogicSegment::EdgePair>(); | |
657 | ||
658 | return edges; | |
659 | } | |
660 | ||
661 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) | |
662 | { | |
663 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
664 | base_->analog_data()->analog_segments(); | |
665 | ||
666 | if (segments.empty()) | |
667 | return; | |
668 | ||
669 | double min = 0, max = 0; | |
670 | ||
671 | for (const shared_ptr<pv::data::AnalogSegment>& segment : segments) { | |
672 | pair<double, double> mm = segment->get_min_max(); | |
673 | min = std::min(min, mm.first); | |
674 | max = std::max(max, mm.second); | |
675 | } | |
676 | ||
677 | if ((min == signal_min_) && (max == signal_max_) && !force_update) | |
678 | return; | |
679 | ||
680 | signal_min_ = min; | |
681 | signal_max_ = max; | |
682 | ||
683 | // If we're allowed to alter the div assignment... | |
684 | if (!keep_divs) { | |
685 | // Use all divs for the positive range if there are no negative values | |
686 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
687 | pos_vdivs_ += neg_vdivs_; | |
688 | neg_vdivs_ = 0; | |
689 | } | |
690 | ||
691 | // Split up the divs if there are negative values but no negative divs | |
692 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
693 | neg_vdivs_ = pos_vdivs_ / 2; | |
694 | pos_vdivs_ -= neg_vdivs_; | |
695 | } | |
696 | } | |
697 | ||
698 | const bool showing_logic = (display_type_ == DisplayConverted) || (display_type_ == DisplayBoth); | |
699 | ||
700 | // If there is still no positive div when we need it, add one | |
701 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
702 | if (((max > 0) && (pos_vdivs_ == 0)) || showing_logic) { | |
703 | pos_vdivs_ = 1; | |
704 | owner_->extents_changed(false, true); | |
705 | } | |
706 | ||
707 | // If there is still no negative div when we need it, add one | |
708 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
709 | if (((min < 0) && (neg_vdivs_ == 0)) || showing_logic) { | |
710 | neg_vdivs_ = 1; | |
711 | owner_->extents_changed(false, true); | |
712 | } | |
713 | ||
714 | double min_value_per_div; | |
715 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
716 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
717 | else if (pos_vdivs_ > 0) | |
718 | min_value_per_div = max / pos_vdivs_; | |
719 | else | |
720 | min_value_per_div = -min / neg_vdivs_; | |
721 | ||
722 | // Find first scale value that is bigger than the value we need | |
723 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
724 | if (get_resolution(i) > min_value_per_div) { | |
725 | scale_index_ = i; | |
726 | break; | |
727 | } | |
728 | ||
729 | update_scale(); | |
730 | } | |
731 | ||
732 | void AnalogSignal::reset_pixel_values() | |
733 | { | |
734 | value_at_pixel_pos_.clear(); | |
735 | current_pixel_pos_ = -1; | |
736 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
737 | } | |
738 | ||
739 | void AnalogSignal::process_next_sample_value(float x, float value) | |
740 | { | |
741 | // Note: NAN is used to indicate the non-existance of a value at this pixel | |
742 | ||
743 | if (std::isnan(prev_value_at_pixel_)) { | |
744 | if (x < 0) { | |
745 | min_value_at_pixel_ = value; | |
746 | max_value_at_pixel_ = value; | |
747 | prev_value_at_pixel_ = value; | |
748 | current_pixel_pos_ = x; | |
749 | } else | |
750 | prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN(); | |
751 | } | |
752 | ||
753 | const int pixel_pos = (int)(x + 0.5); | |
754 | ||
755 | if (pixel_pos > current_pixel_pos_) { | |
756 | if (pixel_pos - current_pixel_pos_ == 1) { | |
757 | if (std::isnan(prev_value_at_pixel_)) { | |
758 | value_at_pixel_pos_.push_back(prev_value_at_pixel_); | |
759 | } else { | |
760 | // Average the min/max range to create one value for the previous pixel | |
761 | const float avg = (min_value_at_pixel_ + max_value_at_pixel_) / 2; | |
762 | value_at_pixel_pos_.push_back(avg); | |
763 | } | |
764 | } else { | |
765 | // Interpolate values to create values for the intermediate pixels | |
766 | const float start_value = prev_value_at_pixel_; | |
767 | const float end_value = value; | |
768 | const int steps = fabs(pixel_pos - current_pixel_pos_); | |
769 | const double gradient = (end_value - start_value) / steps; | |
770 | for (int i = 0; i < steps; i++) { | |
771 | if (current_pixel_pos_ + i < 0) | |
772 | continue; | |
773 | value_at_pixel_pos_.push_back(start_value + i * gradient); | |
774 | } | |
775 | } | |
776 | ||
777 | min_value_at_pixel_ = value; | |
778 | max_value_at_pixel_ = value; | |
779 | prev_value_at_pixel_ = value; | |
780 | current_pixel_pos_ = pixel_pos; | |
781 | } else { | |
782 | // Another sample for the same pixel | |
783 | if (value < min_value_at_pixel_) | |
784 | min_value_at_pixel_ = value; | |
785 | if (value > max_value_at_pixel_) | |
786 | max_value_at_pixel_ = value; | |
787 | } | |
788 | } | |
789 | ||
790 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
791 | { | |
792 | // Add the standard options | |
793 | Signal::populate_popup_form(parent, form); | |
794 | ||
795 | // Add div-related settings | |
796 | pvdiv_sb_ = new QSpinBox(parent); | |
797 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
798 | pvdiv_sb_->setValue(pos_vdivs_); | |
799 | pvdiv_sb_->setEnabled(!autoranging_); | |
800 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
801 | this, SLOT(on_pos_vdivs_changed(int))); | |
802 | form->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); | |
803 | ||
804 | nvdiv_sb_ = new QSpinBox(parent); | |
805 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
806 | nvdiv_sb_->setValue(neg_vdivs_); | |
807 | nvdiv_sb_->setEnabled(!autoranging_); | |
808 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
809 | this, SLOT(on_neg_vdivs_changed(int))); | |
810 | form->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); | |
811 | ||
812 | div_height_sb_ = new QSpinBox(parent); | |
813 | div_height_sb_->setRange(20, 1000); | |
814 | div_height_sb_->setSingleStep(5); | |
815 | div_height_sb_->setSuffix(tr(" pixels")); | |
816 | div_height_sb_->setValue(div_height_); | |
817 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
818 | this, SLOT(on_div_height_changed(int))); | |
819 | form->addRow(tr("Div height"), div_height_sb_); | |
820 | ||
821 | // Add the vertical resolution | |
822 | resolution_cb_ = new QComboBox(parent); | |
823 | resolution_cb_->setEnabled(!autoranging_); | |
824 | ||
825 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
826 | const QString label = QString("%1").arg(get_resolution(i)); | |
827 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
828 | } | |
829 | ||
830 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); | |
831 | resolution_cb_->setCurrentIndex(cur_idx); | |
832 | ||
833 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
834 | this, SLOT(on_resolution_changed(int))); | |
835 | ||
836 | QGridLayout *const vdiv_layout = new QGridLayout; | |
837 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
838 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
839 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
840 | ||
841 | form->addRow(tr("Vertical resolution"), vdiv_layout); | |
842 | ||
843 | // Add the autoranging checkbox | |
844 | QCheckBox* autoranging_cb = new QCheckBox(); | |
845 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
846 | ||
847 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
848 | this, SLOT(on_autoranging_changed(int))); | |
849 | ||
850 | form->addRow(tr("Autoranging"), autoranging_cb); | |
851 | ||
852 | // Add the conversion type dropdown | |
853 | conversion_cb_ = new QComboBox(); | |
854 | ||
855 | conversion_cb_->addItem(tr("none"), | |
856 | SignalBase::NoConversion); | |
857 | conversion_cb_->addItem(tr("to logic via threshold"), | |
858 | SignalBase::A2LConversionByThreshold); | |
859 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), | |
860 | SignalBase::A2LConversionBySchmittTrigger); | |
861 | ||
862 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); | |
863 | conversion_cb_->setCurrentIndex(cur_idx); | |
864 | ||
865 | form->addRow(tr("Conversion"), conversion_cb_); | |
866 | ||
867 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
868 | this, SLOT(on_conversion_changed(int))); | |
869 | ||
870 | // Add the conversion threshold settings | |
871 | conv_threshold_cb_ = new QComboBox(); | |
872 | conv_threshold_cb_->setEditable(true); | |
873 | ||
874 | form->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
875 | ||
876 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
877 | this, SLOT(on_conv_threshold_changed(int))); | |
878 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString&)), | |
879 | this, SLOT(on_conv_threshold_changed())); // index will be -1 | |
880 | ||
881 | // Add the display type dropdown | |
882 | display_type_cb_ = new QComboBox(); | |
883 | ||
884 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); | |
885 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
886 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
887 | ||
888 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
889 | display_type_cb_->setCurrentIndex(cur_idx); | |
890 | ||
891 | form->addRow(tr("Show traces for"), display_type_cb_); | |
892 | ||
893 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), | |
894 | this, SLOT(on_display_type_changed(int))); | |
895 | ||
896 | // Update the conversion widget contents and states | |
897 | update_conversion_widgets(); | |
898 | } | |
899 | ||
900 | void AnalogSignal::hover_point_changed(const QPoint &hp) | |
901 | { | |
902 | Signal::hover_point_changed(hp); | |
903 | ||
904 | // Note: Even though the view area begins at 0, we exclude 0 because | |
905 | // that's also the value given when the cursor is over the header to the | |
906 | // left of the trace paint area | |
907 | if (hp.x() <= 0) { | |
908 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); | |
909 | } else { | |
910 | if ((size_t)hp.x() < value_at_pixel_pos_.size()) | |
911 | value_at_hover_pos_ = value_at_pixel_pos_.at(hp.x()); | |
912 | else | |
913 | value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN(); | |
914 | } | |
915 | } | |
916 | ||
917 | void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value) | |
918 | { | |
919 | Signal::on_setting_changed(key, value); | |
920 | ||
921 | if (key == GlobalSettings::Key_View_ShowSamplingPoints) | |
922 | show_sampling_points_ = value.toBool(); | |
923 | ||
924 | if (key == GlobalSettings::Key_View_FillSignalHighAreas) | |
925 | fill_high_areas_ = value.toBool(); | |
926 | ||
927 | if (key == GlobalSettings::Key_View_FillSignalHighAreaColor) | |
928 | high_fill_color_ = QColor::fromRgba(value.value<uint32_t>()); | |
929 | ||
930 | if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) | |
931 | show_analog_minor_grid_ = value.toBool(); | |
932 | ||
933 | if (key == GlobalSettings::Key_View_ConversionThresholdDispMode) { | |
934 | conversion_threshold_disp_mode_ = value.toInt(); | |
935 | ||
936 | if (owner_) | |
937 | owner_->row_item_appearance_changed(false, true); | |
938 | } | |
939 | } | |
940 | ||
941 | void AnalogSignal::on_min_max_changed(float min, float max) | |
942 | { | |
943 | if (autoranging_) | |
944 | perform_autoranging(false, false); | |
945 | else { | |
946 | if (min < signal_min_) signal_min_ = min; | |
947 | if (max > signal_max_) signal_max_ = max; | |
948 | } | |
949 | } | |
950 | ||
951 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) | |
952 | { | |
953 | if (vdivs == pos_vdivs_) | |
954 | return; | |
955 | ||
956 | pos_vdivs_ = vdivs; | |
957 | ||
958 | // There has to be at least one div, positive or negative | |
959 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
960 | pos_vdivs_ = 1; | |
961 | if (pvdiv_sb_) | |
962 | pvdiv_sb_->setValue(pos_vdivs_); | |
963 | } | |
964 | ||
965 | if (autoranging_) { | |
966 | perform_autoranging(true, true); | |
967 | ||
968 | // It could be that a positive or negative div was added, so update | |
969 | if (pvdiv_sb_) { | |
970 | pvdiv_sb_->setValue(pos_vdivs_); | |
971 | nvdiv_sb_->setValue(neg_vdivs_); | |
972 | } | |
973 | } | |
974 | ||
975 | update_logic_level_offsets(); | |
976 | ||
977 | if (owner_) { | |
978 | // Call order is important, otherwise the lazy event handler won't work | |
979 | owner_->extents_changed(false, true); | |
980 | owner_->row_item_appearance_changed(false, true); | |
981 | } | |
982 | } | |
983 | ||
984 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
985 | { | |
986 | if (vdivs == neg_vdivs_) | |
987 | return; | |
988 | ||
989 | neg_vdivs_ = vdivs; | |
990 | ||
991 | // There has to be at least one div, positive or negative | |
992 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
993 | pos_vdivs_ = 1; | |
994 | if (pvdiv_sb_) | |
995 | pvdiv_sb_->setValue(pos_vdivs_); | |
996 | } | |
997 | ||
998 | if (autoranging_) { | |
999 | perform_autoranging(true, true); | |
1000 | ||
1001 | // It could be that a positive or negative div was added, so update | |
1002 | if (pvdiv_sb_) { | |
1003 | pvdiv_sb_->setValue(pos_vdivs_); | |
1004 | nvdiv_sb_->setValue(neg_vdivs_); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | update_logic_level_offsets(); | |
1009 | ||
1010 | if (owner_) { | |
1011 | // Call order is important, otherwise the lazy event handler won't work | |
1012 | owner_->extents_changed(false, true); | |
1013 | owner_->row_item_appearance_changed(false, true); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | void AnalogSignal::on_div_height_changed(int height) | |
1018 | { | |
1019 | div_height_ = height; | |
1020 | update_logic_level_offsets(); | |
1021 | update_scale(); | |
1022 | ||
1023 | if (owner_) { | |
1024 | // Call order is important, otherwise the lazy event handler won't work | |
1025 | owner_->extents_changed(false, true); | |
1026 | owner_->row_item_appearance_changed(false, true); | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | void AnalogSignal::on_resolution_changed(int index) | |
1031 | { | |
1032 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
1033 | update_scale(); | |
1034 | ||
1035 | if (owner_) | |
1036 | owner_->row_item_appearance_changed(false, true); | |
1037 | } | |
1038 | ||
1039 | void AnalogSignal::on_autoranging_changed(int state) | |
1040 | { | |
1041 | autoranging_ = (state == Qt::Checked); | |
1042 | ||
1043 | if (pvdiv_sb_) | |
1044 | pvdiv_sb_->setEnabled(!autoranging_); | |
1045 | if (nvdiv_sb_) | |
1046 | nvdiv_sb_->setEnabled(!autoranging_); | |
1047 | if (resolution_cb_) | |
1048 | resolution_cb_->setEnabled(!autoranging_); | |
1049 | ||
1050 | if (autoranging_) | |
1051 | perform_autoranging(false, true); | |
1052 | ||
1053 | if (owner_) { | |
1054 | // Call order is important, otherwise the lazy event handler won't work | |
1055 | owner_->extents_changed(false, true); | |
1056 | owner_->row_item_appearance_changed(false, true); | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | void AnalogSignal::on_conversion_changed(int index) | |
1061 | { | |
1062 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); | |
1063 | ||
1064 | SignalBase::ConversionType conv_type = | |
1065 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
1066 | ||
1067 | if (conv_type != old_conv_type) { | |
1068 | base_->set_conversion_type(conv_type); | |
1069 | update_conversion_widgets(); | |
1070 | ||
1071 | if (conv_type == SignalBase::ConversionType::NoConversion) | |
1072 | on_display_type_changed(DisplayType::DisplayAnalog); | |
1073 | else | |
1074 | on_display_type_changed(DisplayType::DisplayBoth); | |
1075 | ||
1076 | if (owner_) | |
1077 | owner_->row_item_appearance_changed(false, true); | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | void AnalogSignal::on_conv_threshold_changed(int index) | |
1082 | { | |
1083 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); | |
1084 | ||
1085 | // Note: index is set to -1 if the text in the combo box matches none of | |
1086 | // the entries in the combo box | |
1087 | ||
1088 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
1089 | return; | |
1090 | ||
1091 | // The combo box entry with the custom value has user_data set to -1 | |
1092 | const int user_data = conv_threshold_cb_->findText( | |
1093 | conv_threshold_cb_->currentText()); | |
1094 | ||
1095 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
1096 | ||
1097 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { | |
1098 | // Not one of the preset values, try to parse the combo box text | |
1099 | // Note: Regex loosely based on | |
1100 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1101 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1102 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1103 | QRegExp regex(re1 + re2); | |
1104 | ||
1105 | const QString text = conv_threshold_cb_->currentText(); | |
1106 | if (!regex.exactMatch(text)) | |
1107 | return; // String doesn't match the regex | |
1108 | ||
1109 | QStringList tokens = regex.capturedTexts(); | |
1110 | ||
1111 | // For now, we simply assume that the unit is volt without modifiers | |
1112 | const double thr = tokens.at(1).toDouble(); | |
1113 | ||
1114 | // Only restart the conversion if the threshold was updated. | |
1115 | // We're starting a delayed conversion because the user may still be | |
1116 | // typing and the UI would lag if we kept on restarting it immediately | |
1117 | if (base_->set_conversion_option("threshold_value", thr)) | |
1118 | base_->start_conversion(true); | |
1119 | } | |
1120 | ||
1121 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { | |
1122 | // Not one of the preset values, try to parse the combo box text | |
1123 | // Note: Regex loosely based on | |
1124 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
1125 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1126 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1127 | QString re3 = "\\/"; // Forward slash, not captured | |
1128 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1129 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
1130 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
1131 | ||
1132 | const QString text = conv_threshold_cb_->currentText(); | |
1133 | if (!regex.exactMatch(text)) | |
1134 | return; // String doesn't match the regex | |
1135 | ||
1136 | QStringList tokens = regex.capturedTexts(); | |
1137 | ||
1138 | // For now, we simply assume that the unit is volt without modifiers | |
1139 | const double low_thr = tokens.at(1).toDouble(); | |
1140 | const double high_thr = tokens.at(3).toDouble(); | |
1141 | ||
1142 | // Only restart the conversion if one of the options was updated. | |
1143 | // We're starting a delayed conversion because the user may still be | |
1144 | // typing and the UI would lag if we kept on restarting it immediately | |
1145 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); | |
1146 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1147 | if (o1 || o2) | |
1148 | base_->start_conversion(true); // Start delayed conversion | |
1149 | } | |
1150 | ||
1151 | base_->set_conversion_preset((SignalBase::ConversionPreset)index); | |
1152 | ||
1153 | // Immediately start the conversion if we're not using custom values | |
1154 | // (i.e. we're using one of the presets) | |
1155 | if (!use_custom_thr) | |
1156 | base_->start_conversion(); | |
1157 | } | |
1158 | ||
1159 | void AnalogSignal::on_delayed_conversion_starter() | |
1160 | { | |
1161 | base_->start_conversion(); | |
1162 | } | |
1163 | ||
1164 | void AnalogSignal::on_display_type_changed(int index) | |
1165 | { | |
1166 | const bool prev_showing_logic = (display_type_ == DisplayConverted) || (display_type_ == DisplayBoth); | |
1167 | ||
1168 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1169 | ||
1170 | const bool showing_logic = (display_type_ == DisplayConverted) || (display_type_ == DisplayBoth); | |
1171 | ||
1172 | // If we show a logic trace, make sure we have at least one div for each | |
1173 | // polarity as that's where we paint it | |
1174 | if (showing_logic && !prev_showing_logic) { | |
1175 | if (pos_vdivs_ == 0) | |
1176 | on_pos_vdivs_changed(1); | |
1177 | if (neg_vdivs_ == 0) | |
1178 | on_neg_vdivs_changed(1); | |
1179 | } | |
1180 | ||
1181 | if (owner_) | |
1182 | owner_->row_item_appearance_changed(false, true); | |
1183 | } | |
1184 | ||
1185 | } // namespace trace | |
1186 | } // namespace views | |
1187 | } // namespace pv |