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