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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 | ||
561ba3ae | 73 | const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2); |
c063290a UH |
74 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); |
75 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); | |
37b9fed4 | 76 | |
8de1e1b2 UH |
77 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
78 | ||
4433246b SA |
79 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); |
80 | ||
fdfd5b3e SA |
81 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
82 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 83 | |
4cffac16 | 84 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
85 | const int AnalogSignal::MinScaleIndex = -6; |
86 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 87 | |
03cc651d SA |
88 | const int AnalogSignal::InfoTextMarginRight = 20; |
89 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
90 | ||
b86aa8f4 | 91 | AnalogSignal::AnalogSignal( |
2b81ae46 | 92 | pv::Session &session, |
cbd2a2de | 93 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 94 | Signal(session, base), |
834a4f1b | 95 | scale_index_(4), // 20 per div |
37b9fed4 | 96 | scale_index_drag_offset_(0), |
459db2c5 SA |
97 | pos_vdivs_(1), |
98 | neg_vdivs_(1), | |
73e377fe | 99 | resolution_(0), |
a970015f | 100 | display_type_(DisplayBoth), |
1f1d55ce | 101 | autoranging_(true) |
aba1dd16 | 102 | { |
561ba3ae SA |
103 | axis_pen_ = AxisPen; |
104 | ||
85715407 SA |
105 | pv::data::Analog* analog_data = |
106 | dynamic_cast<pv::data::Analog*>(data().get()); | |
107 | ||
108 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
109 | this, SLOT(on_samples_added())); | |
110 | ||
52c900ac SA |
111 | connect(&delayed_conversion_starter_, SIGNAL(timeout()), |
112 | this, SLOT(on_delayed_conversion_starter())); | |
113 | delayed_conversion_starter_.setSingleShot(true); | |
114 | delayed_conversion_starter_.setInterval(1000); // 1s timeout | |
115 | ||
cbb50547 SA |
116 | GlobalSettings gs; |
117 | div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
118 | ||
73a25a6e | 119 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 120 | update_scale(); |
aba1dd16 JH |
121 | } |
122 | ||
3009b5b3 JH |
123 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
124 | { | |
cbd2a2de | 125 | return base_->analog_data(); |
9a0cd293 JH |
126 | } |
127 | ||
3a21afa6 SA |
128 | void AnalogSignal::save_settings(QSettings &settings) const |
129 | { | |
459db2c5 SA |
130 | settings.setValue("pos_vdivs", pos_vdivs_); |
131 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 132 | settings.setValue("scale_index", scale_index_); |
a970015f | 133 | settings.setValue("display_type", display_type_); |
73e377fe | 134 | settings.setValue("autoranging", autoranging_); |
cbb50547 | 135 | settings.setValue("div_height", div_height_); |
3a21afa6 SA |
136 | } |
137 | ||
138 | void AnalogSignal::restore_settings(QSettings &settings) | |
139 | { | |
459db2c5 SA |
140 | if (settings.contains("pos_vdivs")) |
141 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
142 | ||
143 | if (settings.contains("neg_vdivs")) | |
144 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
145 | |
146 | if (settings.contains("scale_index")) { | |
147 | scale_index_ = settings.value("scale_index").toInt(); | |
148 | update_scale(); | |
149 | } | |
73e377fe | 150 | |
a970015f SA |
151 | if (settings.contains("display_type")) |
152 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
153 | ||
73e377fe SA |
154 | if (settings.contains("autoranging")) |
155 | autoranging_ = settings.value("autoranging").toBool(); | |
cbb50547 SA |
156 | |
157 | if (settings.contains("div_height")) { | |
158 | const int old_height = div_height_; | |
159 | div_height_ = settings.value("div_height").toInt(); | |
160 | ||
161 | if ((div_height_ != old_height) && owner_) { | |
162 | // Call order is important, otherwise the lazy event handler won't work | |
163 | owner_->extents_changed(false, true); | |
164 | owner_->row_item_appearance_changed(false, true); | |
165 | } | |
166 | } | |
3a21afa6 SA |
167 | } |
168 | ||
6f925ba9 | 169 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 170 | { |
459db2c5 SA |
171 | const int ph = pos_vdivs_ * div_height_; |
172 | const int nh = neg_vdivs_ * div_height_; | |
173 | return make_pair(-ph, nh); | |
a5d93c27 JH |
174 | } |
175 | ||
214470fc JH |
176 | int AnalogSignal::scale_handle_offset() const |
177 | { | |
459db2c5 | 178 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 179 | |
c063290a | 180 | return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; |
214470fc JH |
181 | } |
182 | ||
183 | void AnalogSignal::scale_handle_dragged(int offset) | |
184 | { | |
459db2c5 | 185 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 186 | |
c063290a | 187 | scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); |
834a4f1b SA |
188 | |
189 | update_scale(); | |
8a2fafcc JH |
190 | } |
191 | ||
192 | void AnalogSignal::scale_handle_drag_release() | |
193 | { | |
194 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 195 | update_scale(); |
214470fc JH |
196 | } |
197 | ||
60938e04 | 198 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 199 | { |
73a25a6e | 200 | if (base_->enabled()) { |
99af6802 | 201 | Trace::paint_back(p, pp); |
97904bf7 | 202 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 203 | } |
fe08b6e8 JH |
204 | } |
205 | ||
60938e04 | 206 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 207 | { |
cbd2a2de | 208 | assert(base_->analog_data()); |
8dbbc7f0 | 209 | assert(owner_); |
a8acb46e | 210 | |
be9e7b4b | 211 | const int y = get_visual_y(); |
01fd3263 | 212 | |
73a25a6e | 213 | if (!base_->enabled()) |
cec48d16 JH |
214 | return; |
215 | ||
a8fd2759 SA |
216 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
217 | paint_grid(p, y, pp.left(), pp.right()); | |
218 | ||
219 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
220 | base_->analog_data()->analog_segments(); | |
221 | if (segments.empty()) | |
222 | return; | |
223 | ||
224 | const shared_ptr<pv::data::AnalogSegment> &segment = | |
225 | segments.front(); | |
226 | ||
227 | const double pixels_offset = pp.pixels_offset(); | |
228 | const double samplerate = max(1.0, segment->samplerate()); | |
229 | const pv::util::Timestamp& start_time = segment->start_time(); | |
230 | const int64_t last_sample = segment->get_sample_count() - 1; | |
231 | const double samples_per_pixel = samplerate * pp.scale(); | |
232 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
233 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
234 | ||
235 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
236 | (int64_t)0), last_sample); | |
237 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
238 | (int64_t)0), last_sample); | |
239 | ||
240 | if (samples_per_pixel < EnvelopeThreshold) | |
241 | paint_trace(p, segment, y, pp.left(), | |
242 | start_sample, end_sample, | |
243 | pixels_offset, samples_per_pixel); | |
244 | else | |
245 | paint_envelope(p, segment, y, pp.left(), | |
246 | start_sample, end_sample, | |
247 | pixels_offset, samples_per_pixel); | |
248 | } | |
a8acb46e | 249 | |
4433246b SA |
250 | const SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
251 | ||
252 | if (((conv_type == SignalBase::A2LConversionByThreshold) || | |
253 | (conv_type == SignalBase::A2LConversionBySchmittTrigger))) { | |
254 | ||
255 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) | |
256 | paint_conversion_thresholds(p, pp); | |
a8acb46e | 257 | |
4433246b | 258 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) |
a8fd2759 | 259 | paint_logic_mid(p, pp); |
a8fd2759 | 260 | } |
7c68ddae JH |
261 | } |
262 | ||
60938e04 | 263 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
264 | { |
265 | if (!enabled()) | |
266 | return; | |
267 | ||
b8c4a95b SA |
268 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
269 | const int y = get_visual_y(); | |
03cc651d | 270 | |
b8c4a95b SA |
271 | // Show the info section on the right side of the trace |
272 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 273 | |
b8c4a95b SA |
274 | p.setPen(base_->colour()); |
275 | p.setFont(QApplication::font()); | |
03cc651d | 276 | |
b8c4a95b SA |
277 | const QRectF bounding_rect = QRectF(pp.left(), |
278 | y + v_extents().first, | |
279 | pp.width() - InfoTextMarginRight, | |
280 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 281 | |
b8c4a95b SA |
282 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
283 | } | |
03cc651d SA |
284 | } |
285 | ||
37b9fed4 SA |
286 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
287 | { | |
46a0cadc SA |
288 | p.setRenderHint(QPainter::Antialiasing, false); |
289 | ||
8ad61f40 UH |
290 | GlobalSettings settings; |
291 | const bool show_analog_minor_grid = | |
292 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
293 | ||
459db2c5 SA |
294 | if (pos_vdivs_ > 0) { |
295 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
296 | for (int i = 1; i <= pos_vdivs_; i++) { | |
297 | const float dy = i * div_height_; | |
298 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
299 | } | |
8ad61f40 | 300 | } |
459db2c5 | 301 | |
8ad61f40 | 302 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
303 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
304 | for (int i = 0; i < pos_vdivs_; i++) { | |
305 | const float dy = i * div_height_; | |
306 | const float dy25 = dy + (0.25 * div_height_); | |
307 | const float dy50 = dy + (0.50 * div_height_); | |
308 | const float dy75 = dy + (0.75 * div_height_); | |
309 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
310 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
311 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
312 | } | |
37b9fed4 SA |
313 | } |
314 | ||
459db2c5 SA |
315 | if (neg_vdivs_ > 0) { |
316 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
317 | for (int i = 1; i <= neg_vdivs_; i++) { | |
318 | const float dy = i * div_height_; | |
319 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
320 | } | |
8ad61f40 | 321 | } |
459db2c5 | 322 | |
8ad61f40 | 323 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
324 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
325 | for (int i = 0; i < neg_vdivs_; i++) { | |
326 | const float dy = i * div_height_; | |
327 | const float dy25 = dy + (0.25 * div_height_); | |
328 | const float dy50 = dy + (0.50 * div_height_); | |
329 | const float dy75 = dy + (0.75 * div_height_); | |
330 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
331 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
332 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
333 | } | |
37b9fed4 | 334 | } |
46a0cadc SA |
335 | |
336 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
337 | } |
338 | ||
7c68ddae | 339 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 340 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
341 | int y, int left, const int64_t start, const int64_t end, |
342 | const double pixels_offset, const double samples_per_pixel) | |
343 | { | |
fdfd5b3e SA |
344 | if (end <= start) |
345 | return; | |
346 | ||
347 | // Calculate and paint the sampling points if enabled and useful | |
348 | GlobalSettings settings; | |
349 | const bool show_sampling_points = | |
350 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
351 | (samples_per_pixel < 0.25); | |
352 | ||
73a25a6e | 353 | p.setPen(base_->colour()); |
7c68ddae | 354 | |
76ce6c7a UH |
355 | const int64_t points_count = end - start; |
356 | ||
357 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
358 | QPointF *point = points; |
359 | ||
fdfd5b3e SA |
360 | QRectF *sampling_points = nullptr; |
361 | if (show_sampling_points) | |
362 | sampling_points = new QRectF[points_count]; | |
8de1e1b2 UH |
363 | QRectF *sampling_point = sampling_points; |
364 | ||
fdfd5b3e SA |
365 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
366 | int64_t block_sample = 0; | |
b82243f7 SA |
367 | float *sample_block = new float[TracePaintBlockSize]; |
368 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 369 | |
8de1e1b2 | 370 | const int w = 2; |
fdfd5b3e SA |
371 | for (int64_t sample = start; sample != end; sample++, block_sample++) { |
372 | ||
373 | if (block_sample == TracePaintBlockSize) { | |
374 | block_sample = 0; | |
fdfd5b3e | 375 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 376 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
377 | } |
378 | ||
a8acb46e | 379 | const float x = (sample / samples_per_pixel - |
2658961b | 380 | pixels_offset) + left; |
26a883ed | 381 | |
fdfd5b3e | 382 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 383 | |
fdfd5b3e SA |
384 | if (show_sampling_points) |
385 | *sampling_point++ = | |
386 | QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
a8acb46e | 387 | } |
fdfd5b3e | 388 | delete[] sample_block; |
a8acb46e | 389 | |
76ce6c7a | 390 | p.drawPolyline(points, points_count); |
a8acb46e | 391 | |
fdfd5b3e | 392 | if (show_sampling_points) { |
8de1e1b2 UH |
393 | p.setPen(SamplingPointColour); |
394 | p.drawRects(sampling_points, points_count); | |
fdfd5b3e | 395 | delete[] sampling_points; |
8de1e1b2 UH |
396 | } |
397 | ||
a8acb46e | 398 | delete[] points; |
aba1dd16 JH |
399 | } |
400 | ||
7c68ddae | 401 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 402 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
403 | int y, int left, const int64_t start, const int64_t end, |
404 | const double pixels_offset, const double samples_per_pixel) | |
405 | { | |
f3d66e52 | 406 | using pv::data::AnalogSegment; |
7c68ddae | 407 | |
f3d66e52 JH |
408 | AnalogSegment::EnvelopeSection e; |
409 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
410 | |
411 | if (e.length < 2) | |
412 | return; | |
413 | ||
819f4c25 | 414 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 415 | p.setBrush(base_->colour()); |
7c68ddae JH |
416 | |
417 | QRectF *const rects = new QRectF[e.length]; | |
418 | QRectF *rect = rects; | |
419 | ||
c063290a | 420 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
421 | const float x = ((e.scale * sample + e.start) / |
422 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 423 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
424 | e.samples + sample; |
425 | ||
426 | // We overlap this sample with the next so that vertical | |
427 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
428 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
429 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
430 | |
431 | float h = b - t; | |
f3290553 | 432 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 433 | h = 1.0f; |
f3290553 | 434 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
435 | h = -1.0f; |
436 | ||
437 | *rect++ = QRectF(x, t, 1.0f, h); | |
438 | } | |
439 | ||
440 | p.drawRects(rects, e.length); | |
441 | ||
442 | delete[] rects; | |
443 | delete[] e.samples; | |
444 | } | |
445 | ||
4433246b SA |
446 | void AnalogSignal::paint_conversion_thresholds(QPainter &p, |
447 | ViewItemPaintParams &pp) | |
448 | { | |
449 | if (!base_->enabled() || !base_->logic_data()) | |
450 | return; | |
451 | ||
452 | // TODO Register a change handler instead of querying this with every repaint | |
453 | GlobalSettings settings; | |
454 | const bool show_conversion_thresholds = | |
455 | settings.value(GlobalSettings::Key_View_ShowConversionThresholds).toBool(); | |
456 | ||
457 | if (!show_conversion_thresholds) | |
458 | return; | |
459 | ||
460 | const vector<double> thresholds = base_->get_conversion_thresholds(); | |
461 | const int y = get_visual_y(); | |
462 | ||
463 | p.setRenderHint(QPainter::Antialiasing, false); | |
464 | ||
465 | p.setPen(ThresholdColor); | |
466 | ||
467 | if (thresholds.size() == 2) { | |
468 | // Draw as hatched block because two thresholds denote lower/upper level | |
469 | const double thr_y0 = y - thresholds[0] * scale_; | |
470 | const double thr_y1 = y - thresholds[1] * scale_; | |
471 | p.fillRect(QRect(pp.left(), thr_y0, pp.right(), thr_y1 - thr_y0), | |
472 | QBrush(ThresholdColor, Qt::BDiagPattern)); | |
473 | } else { | |
474 | // Draw as individual lines | |
475 | for (const double thr : thresholds) { | |
476 | const double thr_y = y - thr * scale_; | |
477 | p.drawLine(QPointF(pp.left(), thr_y), QPointF(pp.right(), thr_y)); | |
478 | } | |
479 | } | |
480 | ||
481 | p.setRenderHint(QPainter::Antialiasing, true); | |
482 | } | |
483 | ||
60938e04 | 484 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
485 | { |
486 | QLineF *line; | |
487 | ||
488 | vector< pair<int64_t, bool> > edges; | |
489 | ||
490 | assert(base_); | |
491 | ||
492 | const int y = get_visual_y(); | |
493 | ||
6c0df7c4 | 494 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
495 | return; |
496 | ||
497 | const int signal_margin = | |
498 | QFontMetrics(QApplication::font()).height() / 2; | |
499 | ||
500 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
501 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
502 | const float high_offset = y - ph + signal_margin + 0.5f; | |
503 | const float low_offset = y + nh - signal_margin - 0.5f; | |
504 | ||
505 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
506 | base_->logic_data()->logic_segments(); | |
6c0df7c4 | 507 | |
a8fd2759 SA |
508 | if (segments.empty()) |
509 | return; | |
510 | ||
511 | const shared_ptr<pv::data::LogicSegment> &segment = | |
512 | segments.front(); | |
513 | ||
514 | double samplerate = segment->samplerate(); | |
515 | ||
516 | // Show sample rate as 1Hz when it is unknown | |
517 | if (samplerate == 0.0) | |
518 | samplerate = 1.0; | |
519 | ||
520 | const double pixels_offset = pp.pixels_offset(); | |
521 | const pv::util::Timestamp& start_time = segment->start_time(); | |
522 | const int64_t last_sample = segment->get_sample_count() - 1; | |
523 | const double samples_per_pixel = samplerate * pp.scale(); | |
124be547 | 524 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
525 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
526 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
527 | ||
528 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
529 | (int64_t)0), last_sample); | |
530 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
531 | (int64_t)0), last_sample); | |
532 | ||
533 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
534 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
535 | assert(edges.size() >= 2); | |
536 | ||
124be547 SA |
537 | // Check whether we need to paint the sampling points |
538 | GlobalSettings settings; | |
539 | const bool show_sampling_points = | |
540 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
541 | (samples_per_pixel < 0.25); | |
542 | ||
543 | vector<QRectF> sampling_points; | |
544 | float sampling_point_x = 0.0f; | |
545 | int64_t sampling_point_sample = start_sample; | |
546 | const int w = 2; | |
547 | ||
548 | if (show_sampling_points) { | |
549 | sampling_points.reserve(end_sample - start_sample + 1); | |
550 | sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left(); | |
551 | } | |
552 | ||
a8fd2759 SA |
553 | // Paint the edges |
554 | const unsigned int edge_count = edges.size() - 2; | |
555 | QLineF *const edge_lines = new QLineF[edge_count]; | |
556 | line = edge_lines; | |
557 | ||
558 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
559 | const float x = ((*i).first / samples_per_pixel - | |
560 | pixels_offset) + pp.left(); | |
561 | *line++ = QLineF(x, high_offset, x, low_offset); | |
124be547 SA |
562 | |
563 | if (show_sampling_points) | |
564 | while (sampling_point_sample < (*i).first) { | |
565 | const float y = (*i).second ? low_offset : high_offset; | |
566 | sampling_points.emplace_back( | |
567 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
568 | sampling_point_sample++; | |
569 | sampling_point_x += pixels_per_sample; | |
570 | }; | |
a8fd2759 SA |
571 | } |
572 | ||
124be547 SA |
573 | // Calculate the sample points from the last edge to the end of the trace |
574 | if (show_sampling_points) | |
575 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
576 | // Signal changed after the last edge, so the level is inverted | |
577 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
578 | sampling_points.emplace_back( | |
579 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
580 | sampling_point_sample++; | |
581 | sampling_point_x += pixels_per_sample; | |
582 | }; | |
583 | ||
a8fd2759 SA |
584 | p.setPen(LogicSignal::EdgeColour); |
585 | p.drawLines(edge_lines, edge_count); | |
586 | delete[] edge_lines; | |
587 | ||
588 | // Paint the caps | |
589 | const unsigned int max_cap_line_count = edges.size(); | |
590 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
591 | ||
592 | p.setPen(LogicSignal::HighColour); | |
593 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
594 | pixels_offset, pp.left(), high_offset); | |
595 | p.setPen(LogicSignal::LowColour); | |
596 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
597 | pixels_offset, pp.left(), low_offset); | |
598 | ||
599 | delete[] cap_lines; | |
600 | ||
a8fd2759 | 601 | // Paint the sampling points |
124be547 SA |
602 | if (show_sampling_points) { |
603 | p.setPen(SamplingPointColour); | |
604 | p.drawRects(sampling_points.data(), sampling_points.size()); | |
a8fd2759 | 605 | } |
a8fd2759 SA |
606 | } |
607 | ||
608 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
609 | vector< pair<int64_t, bool> > &edges, bool level, | |
610 | double samples_per_pixel, double pixels_offset, float x_offset, | |
611 | float y_offset) | |
612 | { | |
613 | QLineF *line = lines; | |
614 | ||
615 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
616 | if ((*i).second == level) { | |
617 | *line++ = QLineF( | |
618 | ((*i).first / samples_per_pixel - | |
619 | pixels_offset) + x_offset, y_offset, | |
620 | ((*(i+1)).first / samples_per_pixel - | |
621 | pixels_offset) + x_offset, y_offset); | |
622 | } | |
623 | ||
624 | p.drawLines(lines, line - lines); | |
625 | } | |
626 | ||
368a37c2 | 627 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
628 | { |
629 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 630 | |
6f925ba9 UH |
631 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
632 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 633 | countof(seq)); |
834a4f1b | 634 | |
368a37c2 SA |
635 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
636 | } | |
637 | ||
638 | void AnalogSignal::update_scale() | |
639 | { | |
640 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 641 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
642 | } |
643 | ||
52c900ac SA |
644 | void AnalogSignal::update_conversion_widgets() |
645 | { | |
2b6e7a72 | 646 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
647 | |
648 | // Enable or disable widgets depending on conversion state | |
2b6e7a72 SA |
649 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); |
650 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
52c900ac SA |
651 | |
652 | conv_threshold_cb_->clear(); | |
653 | ||
654 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
655 | ||
656 | // Prevent the combo box from firing the "edit text changed" signal | |
657 | // as that would involuntarily select the first entry | |
658 | conv_threshold_cb_->blockSignals(true); | |
659 | ||
660 | // Set available options depending on chosen conversion | |
661 | for (pair<QString, int> preset : presets) | |
662 | conv_threshold_cb_->addItem(preset.first, preset.second); | |
663 | ||
664 | map < QString, QVariant > options = base_->get_conversion_options(); | |
665 | ||
b9cdbe03 | 666 | if (conv_type == SignalBase::A2LConversionByThreshold) { |
52c900ac | 667 | const vector<double> thresholds = base_->get_conversion_thresholds( |
b9cdbe03 | 668 | SignalBase::A2LConversionByThreshold, true); |
52c900ac SA |
669 | conv_threshold_cb_->addItem( |
670 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
671 | } | |
672 | ||
2b6e7a72 | 673 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { |
52c900ac | 674 | const vector<double> thresholds = base_->get_conversion_thresholds( |
2b6e7a72 | 675 | SignalBase::A2LConversionBySchmittTrigger, true); |
52c900ac SA |
676 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( |
677 | QString::number(thresholds[0], 'f', 1), | |
678 | QString::number(thresholds[1], 'f', 1)), -1); | |
679 | } | |
680 | ||
681 | int preset_id = base_->get_current_conversion_preset(); | |
682 | conv_threshold_cb_->setCurrentIndex( | |
683 | conv_threshold_cb_->findData(preset_id)); | |
684 | ||
685 | conv_threshold_cb_->blockSignals(false); | |
686 | } | |
687 | ||
430b94aa | 688 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
689 | { |
690 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
691 | base_->analog_data()->analog_segments(); | |
692 | ||
693 | if (segments.empty()) | |
694 | return; | |
695 | ||
696 | static double prev_min = 0, prev_max = 0; | |
697 | double min = 0, max = 0; | |
698 | ||
699 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 700 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
701 | min = std::min(min, mm.first); |
702 | max = std::max(max, mm.second); | |
703 | } | |
704 | ||
705 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
706 | return; | |
707 | ||
708 | prev_min = min; | |
709 | prev_max = max; | |
710 | ||
430b94aa SA |
711 | // If we're allowed to alter the div assignment... |
712 | if (!keep_divs) { | |
713 | // Use all divs for the positive range if there are no negative values | |
714 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
715 | pos_vdivs_ += neg_vdivs_; | |
716 | neg_vdivs_ = 0; | |
717 | } | |
73e377fe | 718 | |
430b94aa SA |
719 | // Split up the divs if there are negative values but no negative divs |
720 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
721 | neg_vdivs_ = pos_vdivs_ / 2; | |
722 | pos_vdivs_ -= neg_vdivs_; | |
723 | } | |
681b6d5a SA |
724 | } |
725 | ||
430b94aa SA |
726 | // If there is still no positive div when we need it, add one |
727 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 728 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 729 | pos_vdivs_ = 1; |
17c7f31c SA |
730 | owner_->extents_changed(false, true); |
731 | } | |
430b94aa SA |
732 | |
733 | // If there is still no negative div when we need it, add one | |
734 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 735 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 736 | neg_vdivs_ = 1; |
17c7f31c SA |
737 | owner_->extents_changed(false, true); |
738 | } | |
430b94aa | 739 | |
73e377fe SA |
740 | double min_value_per_div; |
741 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
742 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
743 | else if (pos_vdivs_ > 0) | |
744 | min_value_per_div = max / pos_vdivs_; | |
745 | else | |
746 | min_value_per_div = -min / neg_vdivs_; | |
747 | ||
748 | // Find first scale value that is bigger than the value we need | |
749 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
750 | if (get_resolution(i) > min_value_per_div) { | |
751 | scale_index_ = i; | |
752 | break; | |
753 | } | |
754 | ||
755 | update_scale(); | |
756 | } | |
757 | ||
4cffac16 SA |
758 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
759 | { | |
760 | // Add the standard options | |
761 | Signal::populate_popup_form(parent, form); | |
762 | ||
368a37c2 SA |
763 | QFormLayout *const layout = new QFormLayout; |
764 | ||
cbb50547 | 765 | // Add div-related settings |
430b94aa SA |
766 | pvdiv_sb_ = new QSpinBox(parent); |
767 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
768 | pvdiv_sb_->setValue(pos_vdivs_); | |
769 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 770 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 771 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 772 | |
430b94aa SA |
773 | nvdiv_sb_ = new QSpinBox(parent); |
774 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
775 | nvdiv_sb_->setValue(neg_vdivs_); | |
776 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 777 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 778 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 779 | |
cbb50547 SA |
780 | div_height_sb_ = new QSpinBox(parent); |
781 | div_height_sb_->setRange(20, 1000); | |
782 | div_height_sb_->setSingleStep(5); | |
783 | div_height_sb_->setSuffix(tr(" pixels")); | |
784 | div_height_sb_->setValue(div_height_); | |
785 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
786 | this, SLOT(on_div_height_changed(int))); | |
787 | layout->addRow(tr("Div height"), div_height_sb_); | |
788 | ||
368a37c2 SA |
789 | // Add the vertical resolution |
790 | resolution_cb_ = new QComboBox(parent); | |
791 | ||
792 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
793 | const QString label = QString("%1").arg(get_resolution(i)); | |
794 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
795 | } | |
796 | ||
a970015f | 797 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
798 | resolution_cb_->setCurrentIndex(cur_idx); |
799 | ||
800 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
801 | this, SLOT(on_resolution_changed(int))); | |
802 | ||
803 | QGridLayout *const vdiv_layout = new QGridLayout; | |
804 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
805 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
806 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
807 | ||
808 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
809 | ||
73e377fe SA |
810 | // Add the autoranging checkbox |
811 | QCheckBox* autoranging_cb = new QCheckBox(); | |
812 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
813 | ||
814 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
815 | this, SLOT(on_autoranging_changed(int))); | |
816 | ||
817 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
818 | ||
a970015f SA |
819 | // Add the conversion type dropdown |
820 | conversion_cb_ = new QComboBox(); | |
821 | ||
2b6e7a72 SA |
822 | conversion_cb_->addItem(tr("none"), |
823 | SignalBase::NoConversion); | |
824 | conversion_cb_->addItem(tr("to logic via threshold"), | |
b9cdbe03 | 825 | SignalBase::A2LConversionByThreshold); |
2b6e7a72 SA |
826 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), |
827 | SignalBase::A2LConversionBySchmittTrigger); | |
a970015f | 828 | |
06b6ce26 | 829 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
830 | conversion_cb_->setCurrentIndex(cur_idx); |
831 | ||
7c84c074 | 832 | layout->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
833 | |
834 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
835 | this, SLOT(on_conversion_changed(int))); | |
836 | ||
52c900ac SA |
837 | // Add the conversion threshold settings |
838 | conv_threshold_cb_ = new QComboBox(); | |
839 | conv_threshold_cb_->setEditable(true); | |
840 | ||
841 | layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
842 | ||
843 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
844 | this, SLOT(on_conv_threshold_changed(int))); | |
845 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString)), | |
846 | this, SLOT(on_conv_threshold_changed())); // index will be -1 | |
847 | ||
a970015f SA |
848 | // Add the display type dropdown |
849 | display_type_cb_ = new QComboBox(); | |
850 | ||
c6b017fb SA |
851 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); |
852 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
853 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
a970015f SA |
854 | |
855 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
856 | display_type_cb_->setCurrentIndex(cur_idx); | |
857 | ||
c6b017fb | 858 | layout->addRow(tr("Show traces for"), display_type_cb_); |
a970015f | 859 | |
b8c4a95b SA |
860 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
861 | this, SLOT(on_display_type_changed(int))); | |
862 | ||
52c900ac SA |
863 | // Update the conversion widget contents and states |
864 | update_conversion_widgets(); | |
865 | ||
368a37c2 | 866 | form->addRow(layout); |
4cffac16 SA |
867 | } |
868 | ||
85715407 SA |
869 | void AnalogSignal::on_samples_added() |
870 | { | |
430b94aa | 871 | perform_autoranging(false, false); |
85715407 SA |
872 | } |
873 | ||
459db2c5 SA |
874 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
875 | { | |
430b94aa SA |
876 | if (vdivs == pos_vdivs_) |
877 | return; | |
878 | ||
459db2c5 SA |
879 | pos_vdivs_ = vdivs; |
880 | ||
80067e49 SA |
881 | // There has to be at least one div, positive or negative |
882 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
883 | pos_vdivs_ = 1; | |
884 | if (pvdiv_sb_) | |
885 | pvdiv_sb_->setValue(pos_vdivs_); | |
886 | } | |
887 | ||
430b94aa SA |
888 | if (autoranging_) { |
889 | perform_autoranging(true, true); | |
890 | ||
891 | // It could be that a positive or negative div was added, so update | |
892 | if (pvdiv_sb_) { | |
893 | pvdiv_sb_->setValue(pos_vdivs_); | |
894 | nvdiv_sb_->setValue(neg_vdivs_); | |
895 | } | |
896 | } | |
73e377fe | 897 | |
459db2c5 SA |
898 | if (owner_) { |
899 | // Call order is important, otherwise the lazy event handler won't work | |
900 | owner_->extents_changed(false, true); | |
901 | owner_->row_item_appearance_changed(false, true); | |
902 | } | |
903 | } | |
904 | ||
905 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 906 | { |
430b94aa SA |
907 | if (vdivs == neg_vdivs_) |
908 | return; | |
909 | ||
459db2c5 | 910 | neg_vdivs_ = vdivs; |
4cffac16 | 911 | |
80067e49 SA |
912 | // There has to be at least one div, positive or negative |
913 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
914 | pos_vdivs_ = 1; | |
915 | if (pvdiv_sb_) | |
916 | pvdiv_sb_->setValue(pos_vdivs_); | |
917 | } | |
918 | ||
430b94aa SA |
919 | if (autoranging_) { |
920 | perform_autoranging(true, true); | |
921 | ||
922 | // It could be that a positive or negative div was added, so update | |
923 | if (pvdiv_sb_) { | |
924 | pvdiv_sb_->setValue(pos_vdivs_); | |
925 | nvdiv_sb_->setValue(neg_vdivs_); | |
926 | } | |
927 | } | |
73e377fe | 928 | |
75d0779e SA |
929 | if (owner_) { |
930 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 931 | owner_->extents_changed(false, true); |
75d0779e SA |
932 | owner_->row_item_appearance_changed(false, true); |
933 | } | |
4cffac16 SA |
934 | } |
935 | ||
cbb50547 SA |
936 | void AnalogSignal::on_div_height_changed(int height) |
937 | { | |
938 | div_height_ = height; | |
939 | update_scale(); | |
940 | ||
941 | if (owner_) { | |
942 | // Call order is important, otherwise the lazy event handler won't work | |
943 | owner_->extents_changed(false, true); | |
944 | owner_->row_item_appearance_changed(false, true); | |
945 | } | |
946 | } | |
947 | ||
368a37c2 SA |
948 | void AnalogSignal::on_resolution_changed(int index) |
949 | { | |
950 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
951 | update_scale(); | |
952 | ||
953 | if (owner_) | |
954 | owner_->row_item_appearance_changed(false, true); | |
955 | } | |
4cffac16 | 956 | |
73e377fe SA |
957 | void AnalogSignal::on_autoranging_changed(int state) |
958 | { | |
959 | autoranging_ = (state == Qt::Checked); | |
960 | ||
961 | if (autoranging_) | |
430b94aa | 962 | perform_autoranging(false, true); |
73e377fe | 963 | |
85715407 SA |
964 | if (owner_) { |
965 | // Call order is important, otherwise the lazy event handler won't work | |
966 | owner_->extents_changed(false, true); | |
73e377fe | 967 | owner_->row_item_appearance_changed(false, true); |
85715407 | 968 | } |
73e377fe SA |
969 | } |
970 | ||
a970015f SA |
971 | void AnalogSignal::on_conversion_changed(int index) |
972 | { | |
2b6e7a72 | 973 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); |
a8fd2759 | 974 | |
2b6e7a72 SA |
975 | SignalBase::ConversionType conv_type = |
976 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 977 | |
06b6ce26 SA |
978 | if (conv_type != old_conv_type) { |
979 | base_->set_conversion_type(conv_type); | |
52c900ac | 980 | update_conversion_widgets(); |
06b6ce26 SA |
981 | |
982 | if (owner_) | |
983 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 984 | } |
a970015f SA |
985 | } |
986 | ||
52c900ac SA |
987 | void AnalogSignal::on_conv_threshold_changed(int index) |
988 | { | |
2b6e7a72 | 989 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
990 | |
991 | // Note: index is set to -1 if the text in the combo box matches none of | |
992 | // the entries in the combo box | |
993 | ||
994 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
995 | return; | |
996 | ||
997 | // The combo box entry with the custom value has user_data set to -1 | |
998 | const int user_data = conv_threshold_cb_->findText( | |
999 | conv_threshold_cb_->currentText()); | |
1000 | ||
1001 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
1002 | ||
b9cdbe03 | 1003 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { |
52c900ac SA |
1004 | // Not one of the preset values, try to parse the combo box text |
1005 | // Note: Regex loosely based on | |
1006 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1007 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1008 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1009 | QRegExp regex(re1 + re2); | |
1010 | ||
1011 | const QString text = conv_threshold_cb_->currentText(); | |
1012 | if (!regex.exactMatch(text)) | |
1013 | return; // String doesn't match the regex | |
1014 | ||
1015 | QStringList tokens = regex.capturedTexts(); | |
1016 | ||
1017 | // For now, we simply assume that the unit is volt without modifiers | |
1018 | const double thr = tokens.at(1).toDouble(); | |
1019 | ||
1020 | // Only restart the conversion if the threshold was updated | |
1021 | if (base_->set_conversion_option("threshold_value", thr)) | |
1022 | delayed_conversion_starter_.start(); | |
1023 | } | |
1024 | ||
2b6e7a72 | 1025 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { |
52c900ac SA |
1026 | // Not one of the preset values, try to parse the combo box text |
1027 | // Note: Regex loosely based on | |
1028 | // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 | |
1029 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1030 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1031 | QString re3 = "\\/"; // Forward slash, not captured | |
1032 | QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1033 | QString re5 = "([a-zA-Z]*)"; // SI unit | |
1034 | QRegExp regex(re1 + re2 + re3 + re4 + re5); | |
1035 | ||
1036 | const QString text = conv_threshold_cb_->currentText(); | |
1037 | if (!regex.exactMatch(text)) | |
1038 | return; // String doesn't match the regex | |
1039 | ||
1040 | QStringList tokens = regex.capturedTexts(); | |
1041 | ||
1042 | // For now, we simply assume that the unit is volt without modifiers | |
1043 | const double low_thr = tokens.at(1).toDouble(); | |
1044 | const double high_thr = tokens.at(3).toDouble(); | |
1045 | ||
1046 | // Only restart the conversion if one of the options was updated | |
1047 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); | |
1048 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1049 | if (o1 || o2) | |
1050 | delayed_conversion_starter_.start(); | |
1051 | } | |
1052 | ||
1053 | base_->set_conversion_preset(index); | |
1054 | ||
1055 | // Immediately start the conversion if we're not asking for a delayed reaction | |
1056 | if (!delayed_conversion_starter_.isActive()) | |
1057 | base_->start_conversion(); | |
1058 | } | |
1059 | ||
1060 | void AnalogSignal::on_delayed_conversion_starter() | |
1061 | { | |
1062 | base_->start_conversion(); | |
1063 | } | |
1064 | ||
b8c4a95b SA |
1065 | void AnalogSignal::on_display_type_changed(int index) |
1066 | { | |
1067 | display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt()); | |
1068 | ||
1069 | if (owner_) | |
1070 | owner_->row_item_appearance_changed(false, true); | |
1071 | } | |
1072 | ||
1573bf16 | 1073 | } // namespace trace |
f4e57597 | 1074 | } // namespace views |
aba1dd16 | 1075 | } // namespace pv |