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aba1dd16 JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
aba1dd16 JH |
18 | */ |
19 | ||
20 | #include <extdef.h> | |
21 | ||
3b68d03d JH |
22 | #include <cassert> |
23 | #include <cmath> | |
8a2fafcc JH |
24 | #include <cstdlib> |
25 | #include <limits> | |
a8fd2759 | 26 | #include <vector> |
aba1dd16 | 27 | |
37b9fed4 | 28 | #include <QApplication> |
73e377fe | 29 | #include <QCheckBox> |
368a37c2 | 30 | #include <QComboBox> |
4cffac16 | 31 | #include <QFormLayout> |
368a37c2 SA |
32 | #include <QGridLayout> |
33 | #include <QLabel> | |
03cc651d | 34 | #include <QString> |
37b9fed4 | 35 | |
2acdb232 | 36 | #include "analogsignal.hpp" |
1573bf16 SA |
37 | #include "logicsignal.hpp" |
38 | #include "view.hpp" | |
39 | ||
2acdb232 | 40 | #include "pv/data/analog.hpp" |
f3d66e52 | 41 | #include "pv/data/analogsegment.hpp" |
a8fd2759 SA |
42 | #include "pv/data/logic.hpp" |
43 | #include "pv/data/logicsegment.hpp" | |
bf0edd2b | 44 | #include "pv/data/signalbase.hpp" |
8de1e1b2 | 45 | #include "pv/globalsettings.hpp" |
aba1dd16 | 46 | |
fe3a1c21 | 47 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 48 | |
6f925ba9 UH |
49 | using std::deque; |
50 | using std::div; | |
51 | using std::div_t; | |
819f4c25 | 52 | using std::max; |
a5d93c27 | 53 | using std::make_pair; |
819f4c25 | 54 | using std::min; |
6f925ba9 UH |
55 | using std::numeric_limits; |
56 | using std::pair; | |
f9abf97e | 57 | using std::shared_ptr; |
a8fd2759 | 58 | using std::vector; |
aba1dd16 | 59 | |
2b6e7a72 SA |
60 | using pv::data::SignalBase; |
61 | ||
aba1dd16 | 62 | namespace pv { |
f4e57597 | 63 | namespace views { |
1573bf16 | 64 | namespace trace { |
aba1dd16 | 65 | |
568b90d4 JH |
66 | const QColor AnalogSignal::SignalColours[4] = { |
67 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
68 | QColor(0x87, 0x20, 0x7A), // Magenta | |
69 | QColor(0x20, 0x4A, 0x87), // Blue | |
70 | QColor(0x4E, 0x9A, 0x06) // Green | |
71 | }; | |
72 | ||
c063290a UH |
73 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
74 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 75 | |
8de1e1b2 UH |
76 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
77 | ||
4433246b SA |
78 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); |
79 | ||
fdfd5b3e SA |
80 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
81 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 82 | |
4cffac16 | 83 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
84 | const int AnalogSignal::MinScaleIndex = -6; |
85 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 86 | |
03cc651d SA |
87 | const int AnalogSignal::InfoTextMarginRight = 20; |
88 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
89 | ||
b86aa8f4 | 90 | AnalogSignal::AnalogSignal( |
2b81ae46 | 91 | pv::Session &session, |
cbd2a2de | 92 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 93 | Signal(session, base), |
834a4f1b | 94 | scale_index_(4), // 20 per div |
37b9fed4 | 95 | scale_index_drag_offset_(0), |
459db2c5 SA |
96 | pos_vdivs_(1), |
97 | neg_vdivs_(1), | |
73e377fe | 98 | resolution_(0), |
a970015f | 99 | display_type_(DisplayBoth), |
1f1d55ce | 100 | autoranging_(true) |
aba1dd16 | 101 | { |
85715407 SA |
102 | pv::data::Analog* analog_data = |
103 | dynamic_cast<pv::data::Analog*>(data().get()); | |
104 | ||
105 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
106 | this, SLOT(on_samples_added())); | |
107 | ||
52c900ac SA |
108 | connect(&delayed_conversion_starter_, SIGNAL(timeout()), |
109 | this, SLOT(on_delayed_conversion_starter())); | |
110 | delayed_conversion_starter_.setSingleShot(true); | |
111 | delayed_conversion_starter_.setInterval(1000); // 1s timeout | |
112 | ||
cbb50547 SA |
113 | GlobalSettings gs; |
114 | div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
115 | ||
73a25a6e | 116 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 117 | update_scale(); |
aba1dd16 JH |
118 | } |
119 | ||
3009b5b3 JH |
120 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
121 | { | |
cbd2a2de | 122 | return base_->analog_data(); |
9a0cd293 JH |
123 | } |
124 | ||
3a21afa6 SA |
125 | void AnalogSignal::save_settings(QSettings &settings) const |
126 | { | |
459db2c5 SA |
127 | settings.setValue("pos_vdivs", pos_vdivs_); |
128 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 129 | settings.setValue("scale_index", scale_index_); |
a970015f | 130 | settings.setValue("display_type", display_type_); |
73e377fe | 131 | settings.setValue("autoranging", autoranging_); |
cbb50547 | 132 | settings.setValue("div_height", div_height_); |
3a21afa6 SA |
133 | } |
134 | ||
135 | void AnalogSignal::restore_settings(QSettings &settings) | |
136 | { | |
459db2c5 SA |
137 | if (settings.contains("pos_vdivs")) |
138 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
139 | ||
140 | if (settings.contains("neg_vdivs")) | |
141 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
142 | |
143 | if (settings.contains("scale_index")) { | |
144 | scale_index_ = settings.value("scale_index").toInt(); | |
145 | update_scale(); | |
146 | } | |
73e377fe | 147 | |
a970015f SA |
148 | if (settings.contains("display_type")) |
149 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
150 | ||
73e377fe SA |
151 | if (settings.contains("autoranging")) |
152 | autoranging_ = settings.value("autoranging").toBool(); | |
cbb50547 SA |
153 | |
154 | if (settings.contains("div_height")) { | |
155 | const int old_height = div_height_; | |
156 | div_height_ = settings.value("div_height").toInt(); | |
157 | ||
158 | if ((div_height_ != old_height) && owner_) { | |
159 | // Call order is important, otherwise the lazy event handler won't work | |
160 | owner_->extents_changed(false, true); | |
161 | owner_->row_item_appearance_changed(false, true); | |
162 | } | |
163 | } | |
3a21afa6 SA |
164 | } |
165 | ||
6f925ba9 | 166 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 167 | { |
459db2c5 SA |
168 | const int ph = pos_vdivs_ * div_height_; |
169 | const int nh = neg_vdivs_ * div_height_; | |
170 | return make_pair(-ph, nh); | |
a5d93c27 JH |
171 | } |
172 | ||
214470fc JH |
173 | int AnalogSignal::scale_handle_offset() const |
174 | { | |
459db2c5 | 175 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 176 | |
c063290a | 177 | return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; |
214470fc JH |
178 | } |
179 | ||
180 | void AnalogSignal::scale_handle_dragged(int offset) | |
181 | { | |
459db2c5 | 182 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 183 | |
c063290a | 184 | scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); |
834a4f1b SA |
185 | |
186 | update_scale(); | |
8a2fafcc JH |
187 | } |
188 | ||
189 | void AnalogSignal::scale_handle_drag_release() | |
190 | { | |
191 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 192 | update_scale(); |
214470fc JH |
193 | } |
194 | ||
60938e04 | 195 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 196 | { |
73a25a6e | 197 | if (base_->enabled()) { |
99af6802 | 198 | Trace::paint_back(p, pp); |
97904bf7 | 199 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 200 | } |
fe08b6e8 JH |
201 | } |
202 | ||
60938e04 | 203 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 204 | { |
cbd2a2de | 205 | assert(base_->analog_data()); |
8dbbc7f0 | 206 | assert(owner_); |
a8acb46e | 207 | |
be9e7b4b | 208 | const int y = get_visual_y(); |
01fd3263 | 209 | |
73a25a6e | 210 | if (!base_->enabled()) |
cec48d16 JH |
211 | return; |
212 | ||
a8fd2759 SA |
213 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
214 | paint_grid(p, y, pp.left(), pp.right()); | |
215 | ||
216 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
217 | base_->analog_data()->analog_segments(); | |
218 | if (segments.empty()) | |
219 | return; | |
220 | ||
221 | const shared_ptr<pv::data::AnalogSegment> &segment = | |
222 | segments.front(); | |
223 | ||
224 | const double pixels_offset = pp.pixels_offset(); | |
225 | const double samplerate = max(1.0, segment->samplerate()); | |
226 | const pv::util::Timestamp& start_time = segment->start_time(); | |
227 | const int64_t last_sample = segment->get_sample_count() - 1; | |
228 | const double samples_per_pixel = samplerate * pp.scale(); | |
229 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
230 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
231 | ||
232 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
233 | (int64_t)0), last_sample); | |
234 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
235 | (int64_t)0), last_sample); | |
236 | ||
237 | if (samples_per_pixel < EnvelopeThreshold) | |
238 | paint_trace(p, segment, y, pp.left(), | |
239 | start_sample, end_sample, | |
240 | pixels_offset, samples_per_pixel); | |
241 | else | |
242 | paint_envelope(p, segment, y, pp.left(), | |
243 | start_sample, end_sample, | |
244 | pixels_offset, samples_per_pixel); | |
245 | } | |
a8acb46e | 246 | |
4433246b SA |
247 | const SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
248 | ||
249 | if (((conv_type == SignalBase::A2LConversionByThreshold) || | |
250 | (conv_type == SignalBase::A2LConversionBySchmittTrigger))) { | |
251 | ||
252 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) | |
253 | paint_conversion_thresholds(p, pp); | |
a8acb46e | 254 | |
4433246b | 255 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) |
a8fd2759 | 256 | paint_logic_mid(p, pp); |
a8fd2759 | 257 | } |
7c68ddae JH |
258 | } |
259 | ||
60938e04 | 260 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
261 | { |
262 | if (!enabled()) | |
263 | return; | |
264 | ||
b8c4a95b SA |
265 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
266 | const int y = get_visual_y(); | |
03cc651d | 267 | |
b8c4a95b SA |
268 | // Show the info section on the right side of the trace |
269 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 270 | |
b8c4a95b SA |
271 | p.setPen(base_->colour()); |
272 | p.setFont(QApplication::font()); | |
03cc651d | 273 | |
b8c4a95b SA |
274 | const QRectF bounding_rect = QRectF(pp.left(), |
275 | y + v_extents().first, | |
276 | pp.width() - InfoTextMarginRight, | |
277 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 278 | |
b8c4a95b SA |
279 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
280 | } | |
03cc651d SA |
281 | } |
282 | ||
37b9fed4 SA |
283 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
284 | { | |
46a0cadc SA |
285 | p.setRenderHint(QPainter::Antialiasing, false); |
286 | ||
8ad61f40 UH |
287 | GlobalSettings settings; |
288 | const bool show_analog_minor_grid = | |
289 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
290 | ||
459db2c5 SA |
291 | if (pos_vdivs_ > 0) { |
292 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
293 | for (int i = 1; i <= pos_vdivs_; i++) { | |
294 | const float dy = i * div_height_; | |
295 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
296 | } | |
8ad61f40 | 297 | } |
459db2c5 | 298 | |
8ad61f40 | 299 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
300 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
301 | for (int i = 0; i < pos_vdivs_; i++) { | |
302 | const float dy = i * div_height_; | |
303 | const float dy25 = dy + (0.25 * div_height_); | |
304 | const float dy50 = dy + (0.50 * div_height_); | |
305 | const float dy75 = dy + (0.75 * div_height_); | |
306 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
307 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
308 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
309 | } | |
37b9fed4 SA |
310 | } |
311 | ||
459db2c5 SA |
312 | if (neg_vdivs_ > 0) { |
313 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
314 | for (int i = 1; i <= neg_vdivs_; i++) { | |
315 | const float dy = i * div_height_; | |
316 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
317 | } | |
8ad61f40 | 318 | } |
459db2c5 | 319 | |
8ad61f40 | 320 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
321 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
322 | for (int i = 0; i < neg_vdivs_; i++) { | |
323 | const float dy = i * div_height_; | |
324 | const float dy25 = dy + (0.25 * div_height_); | |
325 | const float dy50 = dy + (0.50 * div_height_); | |
326 | const float dy75 = dy + (0.75 * div_height_); | |
327 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
328 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
329 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
330 | } | |
37b9fed4 | 331 | } |
46a0cadc SA |
332 | |
333 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
334 | } |
335 | ||
7c68ddae | 336 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 337 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
338 | int y, int left, const int64_t start, const int64_t end, |
339 | const double pixels_offset, const double samples_per_pixel) | |
340 | { | |
fdfd5b3e SA |
341 | if (end <= start) |
342 | return; | |
343 | ||
344 | // Calculate and paint the sampling points if enabled and useful | |
345 | GlobalSettings settings; | |
346 | const bool show_sampling_points = | |
347 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
348 | (samples_per_pixel < 0.25); | |
349 | ||
73a25a6e | 350 | p.setPen(base_->colour()); |
7c68ddae | 351 | |
76ce6c7a UH |
352 | const int64_t points_count = end - start; |
353 | ||
354 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
355 | QPointF *point = points; |
356 | ||
fdfd5b3e SA |
357 | QRectF *sampling_points = nullptr; |
358 | if (show_sampling_points) | |
359 | sampling_points = new QRectF[points_count]; | |
8de1e1b2 UH |
360 | QRectF *sampling_point = sampling_points; |
361 | ||
fdfd5b3e SA |
362 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
363 | int64_t block_sample = 0; | |
b82243f7 SA |
364 | float *sample_block = new float[TracePaintBlockSize]; |
365 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 366 | |
8de1e1b2 | 367 | const int w = 2; |
fdfd5b3e SA |
368 | for (int64_t sample = start; sample != end; sample++, block_sample++) { |
369 | ||
370 | if (block_sample == TracePaintBlockSize) { | |
371 | block_sample = 0; | |
fdfd5b3e | 372 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 373 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
374 | } |
375 | ||
a8acb46e | 376 | const float x = (sample / samples_per_pixel - |
2658961b | 377 | pixels_offset) + left; |
26a883ed | 378 | |
fdfd5b3e | 379 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 380 | |
fdfd5b3e SA |
381 | if (show_sampling_points) |
382 | *sampling_point++ = | |
383 | QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
a8acb46e | 384 | } |
fdfd5b3e | 385 | delete[] sample_block; |
a8acb46e | 386 | |
76ce6c7a | 387 | p.drawPolyline(points, points_count); |
a8acb46e | 388 | |
fdfd5b3e | 389 | if (show_sampling_points) { |
8de1e1b2 UH |
390 | p.setPen(SamplingPointColour); |
391 | p.drawRects(sampling_points, points_count); | |
fdfd5b3e | 392 | delete[] sampling_points; |
8de1e1b2 UH |
393 | } |
394 | ||
a8acb46e | 395 | delete[] points; |
aba1dd16 JH |
396 | } |
397 | ||
7c68ddae | 398 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 399 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
400 | int y, int left, const int64_t start, const int64_t end, |
401 | const double pixels_offset, const double samples_per_pixel) | |
402 | { | |
f3d66e52 | 403 | using pv::data::AnalogSegment; |
7c68ddae | 404 | |
f3d66e52 JH |
405 | AnalogSegment::EnvelopeSection e; |
406 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
407 | |
408 | if (e.length < 2) | |
409 | return; | |
410 | ||
819f4c25 | 411 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 412 | p.setBrush(base_->colour()); |
7c68ddae JH |
413 | |
414 | QRectF *const rects = new QRectF[e.length]; | |
415 | QRectF *rect = rects; | |
416 | ||
c063290a | 417 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
418 | const float x = ((e.scale * sample + e.start) / |
419 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 420 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
421 | e.samples + sample; |
422 | ||
423 | // We overlap this sample with the next so that vertical | |
424 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
425 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
426 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
427 | |
428 | float h = b - t; | |
f3290553 | 429 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 430 | h = 1.0f; |
f3290553 | 431 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
432 | h = -1.0f; |
433 | ||
434 | *rect++ = QRectF(x, t, 1.0f, h); | |
435 | } | |
436 | ||
437 | p.drawRects(rects, e.length); | |
438 | ||
439 | delete[] rects; | |
440 | delete[] e.samples; | |
441 | } | |
442 | ||
4433246b SA |
443 | void AnalogSignal::paint_conversion_thresholds(QPainter &p, |
444 | ViewItemPaintParams &pp) | |
445 | { | |
446 | if (!base_->enabled() || !base_->logic_data()) | |
447 | return; | |
448 | ||
449 | // TODO Register a change handler instead of querying this with every repaint | |
450 | GlobalSettings settings; | |
451 | const bool show_conversion_thresholds = | |
452 | settings.value(GlobalSettings::Key_View_ShowConversionThresholds).toBool(); | |
453 | ||
454 | if (!show_conversion_thresholds) | |
455 | return; | |
456 | ||
457 | const vector<double> thresholds = base_->get_conversion_thresholds(); | |
458 | const int y = get_visual_y(); | |
459 | ||
460 | p.setRenderHint(QPainter::Antialiasing, false); | |
461 | ||
462 | p.setPen(ThresholdColor); | |
463 | ||
464 | if (thresholds.size() == 2) { | |
465 | // Draw as hatched block because two thresholds denote lower/upper level | |
466 | const double thr_y0 = y - thresholds[0] * scale_; | |
467 | const double thr_y1 = y - thresholds[1] * scale_; | |
468 | p.fillRect(QRect(pp.left(), thr_y0, pp.right(), thr_y1 - thr_y0), | |
469 | QBrush(ThresholdColor, Qt::BDiagPattern)); | |
470 | } else { | |
471 | // Draw as individual lines | |
472 | for (const double thr : thresholds) { | |
473 | const double thr_y = y - thr * scale_; | |
474 | p.drawLine(QPointF(pp.left(), thr_y), QPointF(pp.right(), thr_y)); | |
475 | } | |
476 | } | |
477 | ||
478 | p.setRenderHint(QPainter::Antialiasing, true); | |
479 | } | |
480 | ||
60938e04 | 481 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
482 | { |
483 | QLineF *line; | |
484 | ||
485 | vector< pair<int64_t, bool> > edges; | |
486 | ||
487 | assert(base_); | |
488 | ||
489 | const int y = get_visual_y(); | |
490 | ||
6c0df7c4 | 491 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
492 | return; |
493 | ||
494 | const int signal_margin = | |
495 | QFontMetrics(QApplication::font()).height() / 2; | |
496 | ||
497 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
498 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
499 | const float high_offset = y - ph + signal_margin + 0.5f; | |
500 | const float low_offset = y + nh - signal_margin - 0.5f; | |
501 | ||
502 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
503 | base_->logic_data()->logic_segments(); | |
6c0df7c4 | 504 | |
a8fd2759 SA |
505 | if (segments.empty()) |
506 | return; | |
507 | ||
508 | const shared_ptr<pv::data::LogicSegment> &segment = | |
509 | segments.front(); | |
510 | ||
511 | double samplerate = segment->samplerate(); | |
512 | ||
513 | // Show sample rate as 1Hz when it is unknown | |
514 | if (samplerate == 0.0) | |
515 | samplerate = 1.0; | |
516 | ||
517 | const double pixels_offset = pp.pixels_offset(); | |
518 | const pv::util::Timestamp& start_time = segment->start_time(); | |
519 | const int64_t last_sample = segment->get_sample_count() - 1; | |
520 | const double samples_per_pixel = samplerate * pp.scale(); | |
124be547 | 521 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
522 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
523 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
524 | ||
525 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
526 | (int64_t)0), last_sample); | |
527 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
528 | (int64_t)0), last_sample); | |
529 | ||
530 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
531 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
532 | assert(edges.size() >= 2); | |
533 | ||
124be547 SA |
534 | // Check whether we need to paint the sampling points |
535 | GlobalSettings settings; | |
536 | const bool show_sampling_points = | |
537 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
538 | (samples_per_pixel < 0.25); | |
539 | ||
540 | vector<QRectF> sampling_points; | |
541 | float sampling_point_x = 0.0f; | |
542 | int64_t sampling_point_sample = start_sample; | |
543 | const int w = 2; | |
544 | ||
545 | if (show_sampling_points) { | |
546 | sampling_points.reserve(end_sample - start_sample + 1); | |
547 | sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left(); | |
548 | } | |
549 | ||
a8fd2759 SA |
550 | // Paint the edges |
551 | const unsigned int edge_count = edges.size() - 2; | |
552 | QLineF *const edge_lines = new QLineF[edge_count]; | |
553 | line = edge_lines; | |
554 | ||
555 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
556 | const float x = ((*i).first / samples_per_pixel - | |
557 | pixels_offset) + pp.left(); | |
558 | *line++ = QLineF(x, high_offset, x, low_offset); | |
124be547 SA |
559 | |
560 | if (show_sampling_points) | |
561 | while (sampling_point_sample < (*i).first) { | |
562 | const float y = (*i).second ? low_offset : high_offset; | |
563 | sampling_points.emplace_back( | |
564 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
565 | sampling_point_sample++; | |
566 | sampling_point_x += pixels_per_sample; | |
567 | }; | |
a8fd2759 SA |
568 | } |
569 | ||
124be547 SA |
570 | // Calculate the sample points from the last edge to the end of the trace |
571 | if (show_sampling_points) | |
572 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
573 | // Signal changed after the last edge, so the level is inverted | |
574 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
575 | sampling_points.emplace_back( | |
576 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
577 | sampling_point_sample++; | |
578 | sampling_point_x += pixels_per_sample; | |
579 | }; | |
580 | ||
a8fd2759 SA |
581 | p.setPen(LogicSignal::EdgeColour); |
582 | p.drawLines(edge_lines, edge_count); | |
583 | delete[] edge_lines; | |
584 | ||
585 | // Paint the caps | |
586 | const unsigned int max_cap_line_count = edges.size(); | |
587 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
588 | ||
589 | p.setPen(LogicSignal::HighColour); | |
590 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
591 | pixels_offset, pp.left(), high_offset); | |
592 | p.setPen(LogicSignal::LowColour); | |
593 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
594 | pixels_offset, pp.left(), low_offset); | |
595 | ||
596 | delete[] cap_lines; | |
597 | ||
a8fd2759 | 598 | // Paint the sampling points |
124be547 SA |
599 | if (show_sampling_points) { |
600 | p.setPen(SamplingPointColour); | |
601 | p.drawRects(sampling_points.data(), sampling_points.size()); | |
a8fd2759 | 602 | } |
a8fd2759 SA |
603 | } |
604 | ||
605 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
606 | vector< pair<int64_t, bool> > &edges, bool level, | |
607 | double samples_per_pixel, double pixels_offset, float x_offset, | |
608 | float y_offset) | |
609 | { | |
610 | QLineF *line = lines; | |
611 | ||
612 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
613 | if ((*i).second == level) { | |
614 | *line++ = QLineF( | |
615 | ((*i).first / samples_per_pixel - | |
616 | pixels_offset) + x_offset, y_offset, | |
617 | ((*(i+1)).first / samples_per_pixel - | |
618 | pixels_offset) + x_offset, y_offset); | |
619 | } | |
620 | ||
621 | p.drawLines(lines, line - lines); | |
622 | } | |
623 | ||
368a37c2 | 624 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
625 | { |
626 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 627 | |
6f925ba9 UH |
628 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
629 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 630 | countof(seq)); |
834a4f1b | 631 | |
368a37c2 SA |
632 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
633 | } | |
634 | ||
635 | void AnalogSignal::update_scale() | |
636 | { | |
637 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 638 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
639 | } |
640 | ||
52c900ac SA |
641 | void AnalogSignal::update_conversion_widgets() |
642 | { | |
2b6e7a72 | 643 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
644 | |
645 | // Enable or disable widgets depending on conversion state | |
2b6e7a72 SA |
646 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); |
647 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
52c900ac SA |
648 | |
649 | conv_threshold_cb_->clear(); | |
650 | ||
651 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
652 | ||
653 | // Prevent the combo box from firing the "edit text changed" signal | |
654 | // as that would involuntarily select the first entry | |
655 | conv_threshold_cb_->blockSignals(true); | |
656 | ||
657 | // Set available options depending on chosen conversion | |
658 | for (pair<QString, int> preset : presets) | |
659 | conv_threshold_cb_->addItem(preset.first, preset.second); | |
660 | ||
661 | map < QString, QVariant > options = base_->get_conversion_options(); | |
662 | ||
b9cdbe03 | 663 | if (conv_type == SignalBase::A2LConversionByThreshold) { |
52c900ac | 664 | const vector<double> thresholds = base_->get_conversion_thresholds( |
b9cdbe03 | 665 | SignalBase::A2LConversionByThreshold, true); |
52c900ac SA |
666 | conv_threshold_cb_->addItem( |
667 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
668 | } | |
669 | ||
2b6e7a72 | 670 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { |
52c900ac | 671 | const vector<double> thresholds = base_->get_conversion_thresholds( |
2b6e7a72 | 672 | SignalBase::A2LConversionBySchmittTrigger, true); |
52c900ac SA |
673 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( |
674 | QString::number(thresholds[0], 'f', 1), | |
675 | QString::number(thresholds[1], 'f', 1)), -1); | |
676 | } | |
677 | ||
678 | int preset_id = base_->get_current_conversion_preset(); | |
679 | conv_threshold_cb_->setCurrentIndex( | |
680 | conv_threshold_cb_->findData(preset_id)); | |
681 | ||
682 | conv_threshold_cb_->blockSignals(false); | |
683 | } | |
684 | ||
430b94aa | 685 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
686 | { |
687 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
688 | base_->analog_data()->analog_segments(); | |
689 | ||
690 | if (segments.empty()) | |
691 | return; | |
692 | ||
693 | static double prev_min = 0, prev_max = 0; | |
694 | double min = 0, max = 0; | |
695 | ||
696 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 697 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
698 | min = std::min(min, mm.first); |
699 | max = std::max(max, mm.second); | |
700 | } | |
701 | ||
702 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
703 | return; | |
704 | ||
705 | prev_min = min; | |
706 | prev_max = max; | |
707 | ||
430b94aa SA |
708 | // If we're allowed to alter the div assignment... |
709 | if (!keep_divs) { | |
710 | // Use all divs for the positive range if there are no negative values | |
711 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
712 | pos_vdivs_ += neg_vdivs_; | |
713 | neg_vdivs_ = 0; | |
714 | } | |
73e377fe | 715 | |
430b94aa SA |
716 | // Split up the divs if there are negative values but no negative divs |
717 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
718 | neg_vdivs_ = pos_vdivs_ / 2; | |
719 | pos_vdivs_ -= neg_vdivs_; | |
720 | } | |
681b6d5a SA |
721 | } |
722 | ||
430b94aa SA |
723 | // If there is still no positive div when we need it, add one |
724 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 725 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 726 | pos_vdivs_ = 1; |
17c7f31c SA |
727 | owner_->extents_changed(false, true); |
728 | } | |
430b94aa SA |
729 | |
730 | // If there is still no negative div when we need it, add one | |
731 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 732 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 733 | neg_vdivs_ = 1; |
17c7f31c SA |
734 | owner_->extents_changed(false, true); |
735 | } | |
430b94aa | 736 | |
73e377fe SA |
737 | double min_value_per_div; |
738 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
739 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
740 | else if (pos_vdivs_ > 0) | |
741 | min_value_per_div = max / pos_vdivs_; | |
742 | else | |
743 | min_value_per_div = -min / neg_vdivs_; | |
744 | ||
745 | // Find first scale value that is bigger than the value we need | |
746 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
747 | if (get_resolution(i) > min_value_per_div) { | |
748 | scale_index_ = i; | |
749 | break; | |
750 | } | |
751 | ||
752 | update_scale(); | |
753 | } | |
754 | ||
4cffac16 SA |
755 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
756 | { | |
757 | // Add the standard options | |
758 | Signal::populate_popup_form(parent, form); | |
759 | ||
368a37c2 SA |
760 | QFormLayout *const layout = new QFormLayout; |
761 | ||
cbb50547 | 762 | // Add div-related settings |
430b94aa SA |
763 | pvdiv_sb_ = new QSpinBox(parent); |
764 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
765 | pvdiv_sb_->setValue(pos_vdivs_); | |
766 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 767 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 768 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 769 | |
430b94aa SA |
770 | nvdiv_sb_ = new QSpinBox(parent); |
771 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
772 | nvdiv_sb_->setValue(neg_vdivs_); | |
773 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 774 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 775 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 776 | |
cbb50547 SA |
777 | div_height_sb_ = new QSpinBox(parent); |
778 | div_height_sb_->setRange(20, 1000); | |
779 | div_height_sb_->setSingleStep(5); | |
780 | div_height_sb_->setSuffix(tr(" pixels")); | |
781 | div_height_sb_->setValue(div_height_); | |
782 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
783 | this, SLOT(on_div_height_changed(int))); | |
784 | layout->addRow(tr("Div height"), div_height_sb_); | |
785 | ||
368a37c2 SA |
786 | // Add the vertical resolution |
787 | resolution_cb_ = new QComboBox(parent); | |
788 | ||
789 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
790 | const QString label = QString("%1").arg(get_resolution(i)); | |
791 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
792 | } | |
793 | ||
a970015f | 794 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
795 | resolution_cb_->setCurrentIndex(cur_idx); |
796 | ||
797 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
798 | this, SLOT(on_resolution_changed(int))); | |
799 | ||
800 | QGridLayout *const vdiv_layout = new QGridLayout; | |
801 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
802 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
803 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
804 | ||
805 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
806 | ||
73e377fe SA |
807 | // Add the autoranging checkbox |
808 | QCheckBox* autoranging_cb = new QCheckBox(); | |
809 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
810 | ||
811 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
812 | this, SLOT(on_autoranging_changed(int))); | |
813 | ||
814 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
815 | ||
a970015f SA |
816 | // Add the conversion type dropdown |
817 | conversion_cb_ = new QComboBox(); | |
818 | ||
2b6e7a72 SA |
819 | conversion_cb_->addItem(tr("none"), |
820 | SignalBase::NoConversion); | |
821 | conversion_cb_->addItem(tr("to logic via threshold"), | |
b9cdbe03 | 822 | SignalBase::A2LConversionByThreshold); |
2b6e7a72 SA |
823 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), |
824 | SignalBase::A2LConversionBySchmittTrigger); | |
a970015f | 825 | |
06b6ce26 | 826 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
827 | conversion_cb_->setCurrentIndex(cur_idx); |
828 | ||
7c84c074 | 829 | layout->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
830 | |
831 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
832 | this, SLOT(on_conversion_changed(int))); | |
833 | ||
52c900ac SA |
834 | // Add the conversion threshold settings |
835 | conv_threshold_cb_ = new QComboBox(); | |
836 | conv_threshold_cb_->setEditable(true); | |
837 | ||
838 | layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
839 | ||
840 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
841 | this, SLOT(on_conv_threshold_changed(int))); | |
842 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString)), | |
843 | this, SLOT(on_conv_threshold_changed())); // index will be -1 | |
844 | ||
a970015f SA |
845 | // Add the display type dropdown |
846 | display_type_cb_ = new QComboBox(); | |
847 | ||
c6b017fb SA |
848 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); |
849 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
850 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
a970015f SA |
851 | |
852 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
853 | display_type_cb_->setCurrentIndex(cur_idx); | |
854 | ||
c6b017fb | 855 | layout->addRow(tr("Show traces for"), display_type_cb_); |
a970015f | 856 | |
b8c4a95b SA |
857 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
858 | this, SLOT(on_display_type_changed(int))); | |
859 | ||
52c900ac SA |
860 | // Update the conversion widget contents and states |
861 | update_conversion_widgets(); | |
862 | ||
368a37c2 | 863 | form->addRow(layout); |
4cffac16 SA |
864 | } |
865 | ||
85715407 SA |
866 | void AnalogSignal::on_samples_added() |
867 | { | |
430b94aa | 868 | perform_autoranging(false, false); |
85715407 SA |
869 | } |
870 | ||
459db2c5 SA |
871 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
872 | { | |
430b94aa SA |
873 | if (vdivs == pos_vdivs_) |
874 | return; | |
875 | ||
459db2c5 SA |
876 | pos_vdivs_ = vdivs; |
877 | ||
80067e49 SA |
878 | // There has to be at least one div, positive or negative |
879 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
880 | pos_vdivs_ = 1; | |
881 | if (pvdiv_sb_) | |
882 | pvdiv_sb_->setValue(pos_vdivs_); | |
883 | } | |
884 | ||
430b94aa SA |
885 | if (autoranging_) { |
886 | perform_autoranging(true, true); | |
887 | ||
888 | // It could be that a positive or negative div was added, so update | |
889 | if (pvdiv_sb_) { | |
890 | pvdiv_sb_->setValue(pos_vdivs_); | |
891 | nvdiv_sb_->setValue(neg_vdivs_); | |
892 | } | |
893 | } | |
73e377fe | 894 | |
459db2c5 SA |
895 | if (owner_) { |
896 | // Call order is important, otherwise the lazy event handler won't work | |
897 | owner_->extents_changed(false, true); | |
898 | owner_->row_item_appearance_changed(false, true); | |
899 | } | |
900 | } | |
901 | ||
902 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 903 | { |
430b94aa SA |
904 | if (vdivs == neg_vdivs_) |
905 | return; | |
906 | ||
459db2c5 | 907 | neg_vdivs_ = vdivs; |
4cffac16 | 908 | |
80067e49 SA |
909 | // There has to be at least one div, positive or negative |
910 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
911 | pos_vdivs_ = 1; | |
912 | if (pvdiv_sb_) | |
913 | pvdiv_sb_->setValue(pos_vdivs_); | |
914 | } | |
915 | ||
430b94aa SA |
916 | if (autoranging_) { |
917 | perform_autoranging(true, true); | |
918 | ||
919 | // It could be that a positive or negative div was added, so update | |
920 | if (pvdiv_sb_) { | |
921 | pvdiv_sb_->setValue(pos_vdivs_); | |
922 | nvdiv_sb_->setValue(neg_vdivs_); | |
923 | } | |
924 | } | |
73e377fe | 925 | |
75d0779e SA |
926 | if (owner_) { |
927 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 928 | owner_->extents_changed(false, true); |
75d0779e SA |
929 | owner_->row_item_appearance_changed(false, true); |
930 | } | |
4cffac16 SA |
931 | } |
932 | ||
cbb50547 SA |
933 | void AnalogSignal::on_div_height_changed(int height) |
934 | { | |
935 | div_height_ = height; | |
936 | update_scale(); | |
937 | ||
938 | if (owner_) { | |
939 | // Call order is important, otherwise the lazy event handler won't work | |
940 | owner_->extents_changed(false, true); | |
941 | owner_->row_item_appearance_changed(false, true); | |
942 | } | |
943 | } | |
944 | ||
368a37c2 SA |
945 | void AnalogSignal::on_resolution_changed(int index) |
946 | { | |
947 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
948 | update_scale(); | |
949 | ||
950 | if (owner_) | |
951 | owner_->row_item_appearance_changed(false, true); | |
952 | } | |
4cffac16 | 953 | |
73e377fe SA |
954 | void AnalogSignal::on_autoranging_changed(int state) |
955 | { | |
956 | autoranging_ = (state == Qt::Checked); | |
957 | ||
958 | if (autoranging_) | |
430b94aa | 959 | perform_autoranging(false, true); |
73e377fe | 960 | |
85715407 SA |
961 | if (owner_) { |
962 | // Call order is important, otherwise the lazy event handler won't work | |
963 | owner_->extents_changed(false, true); | |
73e377fe | 964 | owner_->row_item_appearance_changed(false, true); |
85715407 | 965 | } |
73e377fe SA |
966 | } |
967 | ||
a970015f SA |
968 | void AnalogSignal::on_conversion_changed(int index) |
969 | { | |
2b6e7a72 | 970 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); |
a8fd2759 | 971 | |
2b6e7a72 SA |
972 | SignalBase::ConversionType conv_type = |
973 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 974 | |
06b6ce26 SA |
975 | if (conv_type != old_conv_type) { |
976 | base_->set_conversion_type(conv_type); | |
52c900ac | 977 | update_conversion_widgets(); |
06b6ce26 SA |
978 | |
979 | if (owner_) | |
980 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 981 | } |
a970015f SA |
982 | } |
983 | ||
52c900ac SA |
984 | void AnalogSignal::on_conv_threshold_changed(int index) |
985 | { | |
2b6e7a72 | 986 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
987 | |
988 | // Note: index is set to -1 if the text in the combo box matches none of | |
989 | // the entries in the combo box | |
990 | ||
991 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
992 | return; | |
993 | ||
994 | // The combo box entry with the custom value has user_data set to -1 | |
995 | const int user_data = conv_threshold_cb_->findText( | |
996 | conv_threshold_cb_->currentText()); | |
997 | ||
998 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
999 | ||
b9cdbe03 | 1000 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { |
52c900ac SA |
1001 | // Not one of the preset values, try to parse the combo box text |
1002 | // Note: Regex loosely based on | |
1003 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1004 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1005 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1006 | QRegExp regex(re1 + re2); | |
1007 | ||
1008 | const QString text = conv_threshold_cb_->currentText(); | |
1009 | if (!regex.exactMatch(text)) | |
1010 | return; // String doesn't match the regex | |
1011 | ||
1012 | QStringList tokens = regex.capturedTexts(); | |
1013 | ||
1014 | // For now, we simply assume that the unit is volt without modifiers | |
1015 | const double thr = tokens.at(1).toDouble(); | |
1016 | ||
1017 | // Only restart the conversion if the threshold was updated | |
1018 | if (base_->set_conversion_option("threshold_value", thr)) | |
1019 | delayed_conversion_starter_.start(); | |
1020 | } | |
1021 | ||
2b6e7a72 | 1022 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { |
52c900ac SA |
1023 | // Not one of the preset values, try to parse the combo box text |
1024 | // Note: Regex loosely based on | |
1025 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
1026 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1027 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1028 | QString re3 = "\\/"; // Forward slash, not captured | |
1029 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1030 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
1031 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
1032 | ||
1033 | const QString text = conv_threshold_cb_->currentText(); | |
1034 | if (!regex.exactMatch(text)) | |
1035 | return; // String doesn't match the regex | |
1036 | ||
1037 | QStringList tokens = regex.capturedTexts(); | |
1038 | ||
1039 | // For now, we simply assume that the unit is volt without modifiers | |
1040 | const double low_thr = tokens.at(1).toDouble(); | |
1041 | const double high_thr = tokens.at(3).toDouble(); | |
1042 | ||
1043 | // Only restart the conversion if one of the options was updated | |
1044 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); | |
1045 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1046 | if (o1 || o2) | |
1047 | delayed_conversion_starter_.start(); | |
1048 | } | |
1049 | ||
1050 | base_->set_conversion_preset(index); | |
1051 | ||
1052 | // Immediately start the conversion if we're not asking for a delayed reaction | |
1053 | if (!delayed_conversion_starter_.isActive()) | |
1054 | base_->start_conversion(); | |
1055 | } | |
1056 | ||
1057 | void AnalogSignal::on_delayed_conversion_starter() | |
1058 | { | |
1059 | base_->start_conversion(); | |
1060 | } | |
1061 | ||
b8c4a95b SA |
1062 | void AnalogSignal::on_display_type_changed(int index) |
1063 | { | |
1064 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1065 | ||
1066 | if (owner_) | |
1067 | owner_->row_item_appearance_changed(false, true); | |
1068 | } | |
1069 | ||
1573bf16 | 1070 | } // namespace trace |
f4e57597 | 1071 | } // namespace views |
aba1dd16 | 1072 | } // namespace pv |