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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 | 79 | const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); |
1d150cd6 SA |
80 | const QColor AnalogSignal::ThresholdColorLo = QColor(255, 0, 0, 8 * 256 / 100); |
81 | const QColor AnalogSignal::ThresholdColorNe = QColor(0, 0, 0, 6 * 256 / 100); | |
82 | const QColor AnalogSignal::ThresholdColorHi = QColor(0, 255, 0, 8 * 256 / 100); | |
4433246b | 83 | |
fdfd5b3e SA |
84 | const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) |
85 | const float AnalogSignal::EnvelopeThreshold = 64.0f; | |
7c68ddae | 86 | |
4cffac16 | 87 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
88 | const int AnalogSignal::MinScaleIndex = -6; |
89 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 90 | |
03cc651d SA |
91 | const int AnalogSignal::InfoTextMarginRight = 20; |
92 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
93 | ||
b86aa8f4 | 94 | AnalogSignal::AnalogSignal( |
2b81ae46 | 95 | pv::Session &session, |
cbd2a2de | 96 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 97 | Signal(session, base), |
834a4f1b | 98 | scale_index_(4), // 20 per div |
37b9fed4 | 99 | scale_index_drag_offset_(0), |
459db2c5 SA |
100 | pos_vdivs_(1), |
101 | neg_vdivs_(1), | |
73e377fe | 102 | resolution_(0), |
a970015f | 103 | display_type_(DisplayBoth), |
1f1d55ce | 104 | autoranging_(true) |
aba1dd16 | 105 | { |
561ba3ae SA |
106 | axis_pen_ = AxisPen; |
107 | ||
85715407 SA |
108 | pv::data::Analog* analog_data = |
109 | dynamic_cast<pv::data::Analog*>(data().get()); | |
110 | ||
c6d9cf65 SA |
111 | connect(analog_data, SIGNAL(min_max_changed(float, float)), |
112 | this, SLOT(on_min_max_changed(float, float))); | |
85715407 | 113 | |
cbb50547 SA |
114 | GlobalSettings gs; |
115 | div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt(); | |
116 | ||
73a25a6e | 117 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 118 | update_scale(); |
aba1dd16 JH |
119 | } |
120 | ||
3009b5b3 JH |
121 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
122 | { | |
cbd2a2de | 123 | return base_->analog_data(); |
9a0cd293 JH |
124 | } |
125 | ||
3a21afa6 SA |
126 | void AnalogSignal::save_settings(QSettings &settings) const |
127 | { | |
459db2c5 SA |
128 | settings.setValue("pos_vdivs", pos_vdivs_); |
129 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 130 | settings.setValue("scale_index", scale_index_); |
a970015f | 131 | settings.setValue("display_type", display_type_); |
73e377fe | 132 | settings.setValue("autoranging", autoranging_); |
cbb50547 | 133 | settings.setValue("div_height", div_height_); |
3a21afa6 SA |
134 | } |
135 | ||
136 | void AnalogSignal::restore_settings(QSettings &settings) | |
137 | { | |
459db2c5 SA |
138 | if (settings.contains("pos_vdivs")) |
139 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
140 | ||
141 | if (settings.contains("neg_vdivs")) | |
142 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
143 | |
144 | if (settings.contains("scale_index")) { | |
145 | scale_index_ = settings.value("scale_index").toInt(); | |
146 | update_scale(); | |
147 | } | |
73e377fe | 148 | |
a970015f SA |
149 | if (settings.contains("display_type")) |
150 | display_type_ = (DisplayType)(settings.value("display_type").toInt()); | |
151 | ||
73e377fe SA |
152 | if (settings.contains("autoranging")) |
153 | autoranging_ = settings.value("autoranging").toBool(); | |
cbb50547 SA |
154 | |
155 | if (settings.contains("div_height")) { | |
156 | const int old_height = div_height_; | |
157 | div_height_ = settings.value("div_height").toInt(); | |
158 | ||
159 | if ((div_height_ != old_height) && owner_) { | |
160 | // Call order is important, otherwise the lazy event handler won't work | |
161 | owner_->extents_changed(false, true); | |
162 | owner_->row_item_appearance_changed(false, true); | |
163 | } | |
164 | } | |
3a21afa6 SA |
165 | } |
166 | ||
6f925ba9 | 167 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 168 | { |
459db2c5 SA |
169 | const int ph = pos_vdivs_ * div_height_; |
170 | const int nh = neg_vdivs_ * div_height_; | |
171 | return make_pair(-ph, nh); | |
a5d93c27 JH |
172 | } |
173 | ||
214470fc JH |
174 | int AnalogSignal::scale_handle_offset() const |
175 | { | |
459db2c5 | 176 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 177 | |
c063290a | 178 | return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2; |
214470fc JH |
179 | } |
180 | ||
181 | void AnalogSignal::scale_handle_dragged(int offset) | |
182 | { | |
459db2c5 | 183 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 184 | |
c063290a | 185 | scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4); |
834a4f1b SA |
186 | |
187 | update_scale(); | |
8a2fafcc JH |
188 | } |
189 | ||
190 | void AnalogSignal::scale_handle_drag_release() | |
191 | { | |
192 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 193 | update_scale(); |
214470fc JH |
194 | } |
195 | ||
60938e04 | 196 | void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp) |
fe08b6e8 | 197 | { |
1d150cd6 SA |
198 | if (!base_->enabled()) |
199 | return; | |
200 | ||
201 | // TODO Register a change handler instead of querying this with every repaint | |
202 | GlobalSettings settings; | |
203 | const bool show_conversion_thresholds = | |
204 | settings.value(GlobalSettings::Key_View_ShowConversionThresholds).toBool(); | |
205 | ||
206 | const vector<double> thresholds = base_->get_conversion_thresholds(); | |
207 | ||
208 | // Only display thresholds if we have some and we show analog samples | |
209 | if ((thresholds.size() > 0) && show_conversion_thresholds && | |
210 | ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth))) { | |
211 | ||
212 | const int visual_y = get_visual_y(); | |
213 | const pair<int, int> extents = v_extents(); | |
214 | const int top = visual_y + extents.first; | |
215 | const int btm = visual_y + extents.second; | |
216 | ||
217 | // Draw high/neutral/low areas | |
218 | if (thresholds.size() == 2) { | |
219 | const double thr_lo = visual_y - thresholds[0] * scale_; | |
220 | const double thr_hi = visual_y - thresholds[1] * scale_; | |
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 | const double thr = visual_y - thresholds[0] * scale_; | |
230 | ||
231 | p.fillRect(QRectF(pp.left(), top, pp.width(), thr - top), | |
232 | QBrush(ThresholdColorHi)); | |
233 | p.fillRect(QRectF(pp.left(), thr, pp.width(), btm - thr), | |
234 | QBrush(ThresholdColorLo)); | |
235 | } | |
236 | ||
237 | paint_axis(p, pp, get_visual_y()); | |
238 | } else { | |
99af6802 | 239 | Trace::paint_back(p, pp); |
97904bf7 | 240 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 241 | } |
fe08b6e8 JH |
242 | } |
243 | ||
60938e04 | 244 | void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) |
aba1dd16 | 245 | { |
cbd2a2de | 246 | assert(base_->analog_data()); |
8dbbc7f0 | 247 | assert(owner_); |
a8acb46e | 248 | |
be9e7b4b | 249 | const int y = get_visual_y(); |
01fd3263 | 250 | |
73a25a6e | 251 | if (!base_->enabled()) |
cec48d16 JH |
252 | return; |
253 | ||
a8fd2759 SA |
254 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
255 | paint_grid(p, y, pp.left(), pp.right()); | |
256 | ||
257 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
258 | base_->analog_data()->analog_segments(); | |
259 | if (segments.empty()) | |
260 | return; | |
261 | ||
262 | const shared_ptr<pv::data::AnalogSegment> &segment = | |
263 | segments.front(); | |
264 | ||
265 | const double pixels_offset = pp.pixels_offset(); | |
266 | const double samplerate = max(1.0, segment->samplerate()); | |
267 | const pv::util::Timestamp& start_time = segment->start_time(); | |
268 | const int64_t last_sample = segment->get_sample_count() - 1; | |
269 | const double samples_per_pixel = samplerate * pp.scale(); | |
270 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
271 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
272 | ||
273 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
274 | (int64_t)0), last_sample); | |
275 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), | |
276 | (int64_t)0), last_sample); | |
277 | ||
278 | if (samples_per_pixel < EnvelopeThreshold) | |
279 | paint_trace(p, segment, y, pp.left(), | |
280 | start_sample, end_sample, | |
281 | pixels_offset, samples_per_pixel); | |
282 | else | |
283 | paint_envelope(p, segment, y, pp.left(), | |
284 | start_sample, end_sample, | |
285 | pixels_offset, samples_per_pixel); | |
286 | } | |
a8acb46e | 287 | |
1d150cd6 SA |
288 | if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) |
289 | paint_logic_mid(p, pp); | |
7c68ddae JH |
290 | } |
291 | ||
60938e04 | 292 | void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) |
03cc651d SA |
293 | { |
294 | if (!enabled()) | |
295 | return; | |
296 | ||
b8c4a95b SA |
297 | if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) { |
298 | const int y = get_visual_y(); | |
03cc651d | 299 | |
b8c4a95b SA |
300 | // Show the info section on the right side of the trace |
301 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
03cc651d | 302 | |
b8c4a95b SA |
303 | p.setPen(base_->colour()); |
304 | p.setFont(QApplication::font()); | |
03cc651d | 305 | |
b8c4a95b SA |
306 | const QRectF bounding_rect = QRectF(pp.left(), |
307 | y + v_extents().first, | |
308 | pp.width() - InfoTextMarginRight, | |
309 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
03cc651d | 310 | |
b8c4a95b SA |
311 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); |
312 | } | |
03cc651d SA |
313 | } |
314 | ||
37b9fed4 SA |
315 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
316 | { | |
46a0cadc SA |
317 | p.setRenderHint(QPainter::Antialiasing, false); |
318 | ||
8ad61f40 UH |
319 | GlobalSettings settings; |
320 | const bool show_analog_minor_grid = | |
321 | settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); | |
322 | ||
459db2c5 SA |
323 | if (pos_vdivs_ > 0) { |
324 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
325 | for (int i = 1; i <= pos_vdivs_; i++) { | |
326 | const float dy = i * div_height_; | |
327 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
328 | } | |
8ad61f40 | 329 | } |
459db2c5 | 330 | |
8ad61f40 | 331 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
332 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
333 | for (int i = 0; i < pos_vdivs_; i++) { | |
334 | const float dy = i * div_height_; | |
335 | const float dy25 = dy + (0.25 * div_height_); | |
336 | const float dy50 = dy + (0.50 * div_height_); | |
337 | const float dy75 = dy + (0.75 * div_height_); | |
338 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
339 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
340 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
341 | } | |
37b9fed4 SA |
342 | } |
343 | ||
459db2c5 SA |
344 | if (neg_vdivs_ > 0) { |
345 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
346 | for (int i = 1; i <= neg_vdivs_; i++) { | |
347 | const float dy = i * div_height_; | |
348 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
349 | } | |
8ad61f40 | 350 | } |
459db2c5 | 351 | |
8ad61f40 | 352 | if ((pos_vdivs_ > 0) && show_analog_minor_grid) { |
459db2c5 SA |
353 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); |
354 | for (int i = 0; i < neg_vdivs_; i++) { | |
355 | const float dy = i * div_height_; | |
356 | const float dy25 = dy + (0.25 * div_height_); | |
357 | const float dy50 = dy + (0.50 * div_height_); | |
358 | const float dy75 = dy + (0.75 * div_height_); | |
359 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
360 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
361 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
362 | } | |
37b9fed4 | 363 | } |
46a0cadc SA |
364 | |
365 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
366 | } |
367 | ||
7c68ddae | 368 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 369 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
370 | int y, int left, const int64_t start, const int64_t end, |
371 | const double pixels_offset, const double samples_per_pixel) | |
372 | { | |
fdfd5b3e SA |
373 | if (end <= start) |
374 | return; | |
375 | ||
376 | // Calculate and paint the sampling points if enabled and useful | |
377 | GlobalSettings settings; | |
378 | const bool show_sampling_points = | |
379 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
380 | (samples_per_pixel < 0.25); | |
381 | ||
73a25a6e | 382 | p.setPen(base_->colour()); |
7c68ddae | 383 | |
76ce6c7a UH |
384 | const int64_t points_count = end - start; |
385 | ||
386 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
387 | QPointF *point = points; |
388 | ||
fdfd5b3e SA |
389 | QRectF *sampling_points = nullptr; |
390 | if (show_sampling_points) | |
391 | sampling_points = new QRectF[points_count]; | |
8de1e1b2 UH |
392 | QRectF *sampling_point = sampling_points; |
393 | ||
fdfd5b3e SA |
394 | int64_t sample_count = min(points_count, TracePaintBlockSize); |
395 | int64_t block_sample = 0; | |
b82243f7 SA |
396 | float *sample_block = new float[TracePaintBlockSize]; |
397 | segment->get_samples(start, start + sample_count, sample_block); | |
26a883ed | 398 | |
8de1e1b2 | 399 | const int w = 2; |
fdfd5b3e SA |
400 | for (int64_t sample = start; sample != end; sample++, block_sample++) { |
401 | ||
402 | if (block_sample == TracePaintBlockSize) { | |
403 | block_sample = 0; | |
fdfd5b3e | 404 | sample_count = min(points_count - sample, TracePaintBlockSize); |
b82243f7 | 405 | segment->get_samples(sample, sample + sample_count, sample_block); |
fdfd5b3e SA |
406 | } |
407 | ||
a8acb46e | 408 | const float x = (sample / samples_per_pixel - |
2658961b | 409 | pixels_offset) + left; |
26a883ed | 410 | |
fdfd5b3e | 411 | *point++ = QPointF(x, y - sample_block[block_sample] * scale_); |
8de1e1b2 | 412 | |
fdfd5b3e SA |
413 | if (show_sampling_points) |
414 | *sampling_point++ = | |
415 | QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w); | |
a8acb46e | 416 | } |
fdfd5b3e | 417 | delete[] sample_block; |
a8acb46e | 418 | |
76ce6c7a | 419 | p.drawPolyline(points, points_count); |
a8acb46e | 420 | |
fdfd5b3e | 421 | if (show_sampling_points) { |
8de1e1b2 UH |
422 | p.setPen(SamplingPointColour); |
423 | p.drawRects(sampling_points, points_count); | |
fdfd5b3e | 424 | delete[] sampling_points; |
8de1e1b2 UH |
425 | } |
426 | ||
a8acb46e | 427 | delete[] points; |
aba1dd16 JH |
428 | } |
429 | ||
7c68ddae | 430 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 431 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
432 | int y, int left, const int64_t start, const int64_t end, |
433 | const double pixels_offset, const double samples_per_pixel) | |
434 | { | |
f3d66e52 | 435 | using pv::data::AnalogSegment; |
7c68ddae | 436 | |
f3d66e52 JH |
437 | AnalogSegment::EnvelopeSection e; |
438 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
439 | |
440 | if (e.length < 2) | |
441 | return; | |
442 | ||
819f4c25 | 443 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 444 | p.setBrush(base_->colour()); |
7c68ddae JH |
445 | |
446 | QRectF *const rects = new QRectF[e.length]; | |
447 | QRectF *rect = rects; | |
448 | ||
c063290a | 449 | for (uint64_t sample = 0; sample < e.length - 1; sample++) { |
7c68ddae JH |
450 | const float x = ((e.scale * sample + e.start) / |
451 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 452 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
453 | e.samples + sample; |
454 | ||
455 | // We overlap this sample with the next so that vertical | |
456 | // gaps do not appear during steep rising or falling edges | |
c063290a UH |
457 | const float b = y - max(s->max, (s + 1)->min) * scale_; |
458 | const float t = y - min(s->min, (s + 1)->max) * scale_; | |
7c68ddae JH |
459 | |
460 | float h = b - t; | |
f3290553 | 461 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 462 | h = 1.0f; |
f3290553 | 463 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
464 | h = -1.0f; |
465 | ||
466 | *rect++ = QRectF(x, t, 1.0f, h); | |
467 | } | |
468 | ||
469 | p.drawRects(rects, e.length); | |
470 | ||
471 | delete[] rects; | |
472 | delete[] e.samples; | |
473 | } | |
474 | ||
60938e04 | 475 | void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) |
a8fd2759 SA |
476 | { |
477 | QLineF *line; | |
478 | ||
479 | vector< pair<int64_t, bool> > edges; | |
480 | ||
481 | assert(base_); | |
482 | ||
483 | const int y = get_visual_y(); | |
484 | ||
6c0df7c4 | 485 | if (!base_->enabled() || !base_->logic_data()) |
a8fd2759 SA |
486 | return; |
487 | ||
488 | const int signal_margin = | |
489 | QFontMetrics(QApplication::font()).height() / 2; | |
490 | ||
491 | const int ph = min(pos_vdivs_, 1) * div_height_; | |
492 | const int nh = min(neg_vdivs_, 1) * div_height_; | |
493 | const float high_offset = y - ph + signal_margin + 0.5f; | |
494 | const float low_offset = y + nh - signal_margin - 0.5f; | |
495 | ||
496 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
497 | base_->logic_data()->logic_segments(); | |
6c0df7c4 | 498 | |
a8fd2759 SA |
499 | if (segments.empty()) |
500 | return; | |
501 | ||
502 | const shared_ptr<pv::data::LogicSegment> &segment = | |
503 | segments.front(); | |
504 | ||
505 | double samplerate = segment->samplerate(); | |
506 | ||
507 | // Show sample rate as 1Hz when it is unknown | |
508 | if (samplerate == 0.0) | |
509 | samplerate = 1.0; | |
510 | ||
511 | const double pixels_offset = pp.pixels_offset(); | |
512 | const pv::util::Timestamp& start_time = segment->start_time(); | |
513 | const int64_t last_sample = segment->get_sample_count() - 1; | |
514 | const double samples_per_pixel = samplerate * pp.scale(); | |
124be547 | 515 | const double pixels_per_sample = 1 / samples_per_pixel; |
a8fd2759 SA |
516 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
517 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
518 | ||
519 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
520 | (int64_t)0), last_sample); | |
521 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
522 | (int64_t)0), last_sample); | |
523 | ||
524 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
525 | samples_per_pixel / LogicSignal::Oversampling, 0); | |
526 | assert(edges.size() >= 2); | |
527 | ||
124be547 SA |
528 | // Check whether we need to paint the sampling points |
529 | GlobalSettings settings; | |
530 | const bool show_sampling_points = | |
531 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() && | |
532 | (samples_per_pixel < 0.25); | |
533 | ||
534 | vector<QRectF> sampling_points; | |
535 | float sampling_point_x = 0.0f; | |
536 | int64_t sampling_point_sample = start_sample; | |
537 | const int w = 2; | |
538 | ||
539 | if (show_sampling_points) { | |
540 | sampling_points.reserve(end_sample - start_sample + 1); | |
541 | sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left(); | |
542 | } | |
543 | ||
a8fd2759 SA |
544 | // Paint the edges |
545 | const unsigned int edge_count = edges.size() - 2; | |
546 | QLineF *const edge_lines = new QLineF[edge_count]; | |
547 | line = edge_lines; | |
548 | ||
549 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
550 | const float x = ((*i).first / samples_per_pixel - | |
551 | pixels_offset) + pp.left(); | |
552 | *line++ = QLineF(x, high_offset, x, low_offset); | |
124be547 SA |
553 | |
554 | if (show_sampling_points) | |
555 | while (sampling_point_sample < (*i).first) { | |
556 | const float y = (*i).second ? low_offset : high_offset; | |
557 | sampling_points.emplace_back( | |
558 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
559 | sampling_point_sample++; | |
560 | sampling_point_x += pixels_per_sample; | |
561 | }; | |
a8fd2759 SA |
562 | } |
563 | ||
124be547 SA |
564 | // Calculate the sample points from the last edge to the end of the trace |
565 | if (show_sampling_points) | |
566 | while ((uint64_t)sampling_point_sample <= end_sample) { | |
567 | // Signal changed after the last edge, so the level is inverted | |
568 | const float y = (edges.cend() - 1)->second ? high_offset : low_offset; | |
569 | sampling_points.emplace_back( | |
570 | QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w)); | |
571 | sampling_point_sample++; | |
572 | sampling_point_x += pixels_per_sample; | |
573 | }; | |
574 | ||
a8fd2759 SA |
575 | p.setPen(LogicSignal::EdgeColour); |
576 | p.drawLines(edge_lines, edge_count); | |
577 | delete[] edge_lines; | |
578 | ||
579 | // Paint the caps | |
580 | const unsigned int max_cap_line_count = edges.size(); | |
581 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
582 | ||
583 | p.setPen(LogicSignal::HighColour); | |
584 | paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel, | |
585 | pixels_offset, pp.left(), high_offset); | |
586 | p.setPen(LogicSignal::LowColour); | |
587 | paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel, | |
588 | pixels_offset, pp.left(), low_offset); | |
589 | ||
590 | delete[] cap_lines; | |
591 | ||
a8fd2759 | 592 | // Paint the sampling points |
124be547 SA |
593 | if (show_sampling_points) { |
594 | p.setPen(SamplingPointColour); | |
595 | p.drawRects(sampling_points.data(), sampling_points.size()); | |
a8fd2759 | 596 | } |
a8fd2759 SA |
597 | } |
598 | ||
599 | void AnalogSignal::paint_logic_caps(QPainter &p, QLineF *const lines, | |
600 | vector< pair<int64_t, bool> > &edges, bool level, | |
601 | double samples_per_pixel, double pixels_offset, float x_offset, | |
602 | float y_offset) | |
603 | { | |
604 | QLineF *line = lines; | |
605 | ||
606 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
607 | if ((*i).second == level) { | |
608 | *line++ = QLineF( | |
609 | ((*i).first / samples_per_pixel - | |
610 | pixels_offset) + x_offset, y_offset, | |
611 | ((*(i+1)).first / samples_per_pixel - | |
612 | pixels_offset) + x_offset, y_offset); | |
613 | } | |
614 | ||
615 | p.drawLines(lines, line - lines); | |
616 | } | |
617 | ||
368a37c2 | 618 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
619 | { |
620 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 621 | |
6f925ba9 UH |
622 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
623 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 624 | countof(seq)); |
834a4f1b | 625 | |
368a37c2 SA |
626 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
627 | } | |
628 | ||
629 | void AnalogSignal::update_scale() | |
630 | { | |
631 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 632 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
633 | } |
634 | ||
52c900ac SA |
635 | void AnalogSignal::update_conversion_widgets() |
636 | { | |
2b6e7a72 | 637 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
638 | |
639 | // Enable or disable widgets depending on conversion state | |
2b6e7a72 SA |
640 | conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); |
641 | display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); | |
52c900ac SA |
642 | |
643 | conv_threshold_cb_->clear(); | |
644 | ||
645 | vector < pair<QString, int> > presets = base_->get_conversion_presets(); | |
646 | ||
647 | // Prevent the combo box from firing the "edit text changed" signal | |
648 | // as that would involuntarily select the first entry | |
649 | conv_threshold_cb_->blockSignals(true); | |
650 | ||
651 | // Set available options depending on chosen conversion | |
652 | for (pair<QString, int> preset : presets) | |
653 | conv_threshold_cb_->addItem(preset.first, preset.second); | |
654 | ||
655 | map < QString, QVariant > options = base_->get_conversion_options(); | |
656 | ||
b9cdbe03 | 657 | if (conv_type == SignalBase::A2LConversionByThreshold) { |
52c900ac | 658 | const vector<double> thresholds = base_->get_conversion_thresholds( |
b9cdbe03 | 659 | SignalBase::A2LConversionByThreshold, true); |
52c900ac SA |
660 | conv_threshold_cb_->addItem( |
661 | QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); | |
662 | } | |
663 | ||
2b6e7a72 | 664 | if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { |
52c900ac | 665 | const vector<double> thresholds = base_->get_conversion_thresholds( |
2b6e7a72 | 666 | SignalBase::A2LConversionBySchmittTrigger, true); |
52c900ac SA |
667 | conv_threshold_cb_->addItem(QString("%1V/%2V").arg( |
668 | QString::number(thresholds[0], 'f', 1), | |
669 | QString::number(thresholds[1], 'f', 1)), -1); | |
670 | } | |
671 | ||
672 | int preset_id = base_->get_current_conversion_preset(); | |
673 | conv_threshold_cb_->setCurrentIndex( | |
674 | conv_threshold_cb_->findData(preset_id)); | |
675 | ||
676 | conv_threshold_cb_->blockSignals(false); | |
677 | } | |
678 | ||
430b94aa | 679 | void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) |
73e377fe SA |
680 | { |
681 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
682 | base_->analog_data()->analog_segments(); | |
683 | ||
684 | if (segments.empty()) | |
685 | return; | |
686 | ||
687 | static double prev_min = 0, prev_max = 0; | |
688 | double min = 0, max = 0; | |
689 | ||
690 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 691 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
692 | min = std::min(min, mm.first); |
693 | max = std::max(max, mm.second); | |
694 | } | |
695 | ||
696 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
697 | return; | |
698 | ||
699 | prev_min = min; | |
700 | prev_max = max; | |
701 | ||
430b94aa SA |
702 | // If we're allowed to alter the div assignment... |
703 | if (!keep_divs) { | |
704 | // Use all divs for the positive range if there are no negative values | |
705 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
706 | pos_vdivs_ += neg_vdivs_; | |
707 | neg_vdivs_ = 0; | |
708 | } | |
73e377fe | 709 | |
430b94aa SA |
710 | // Split up the divs if there are negative values but no negative divs |
711 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
712 | neg_vdivs_ = pos_vdivs_ / 2; | |
713 | pos_vdivs_ -= neg_vdivs_; | |
714 | } | |
681b6d5a SA |
715 | } |
716 | ||
430b94aa SA |
717 | // If there is still no positive div when we need it, add one |
718 | // (this can happen when pos_vdivs==neg_vdivs==0) | |
17c7f31c | 719 | if ((max > 0) && (pos_vdivs_ == 0)) { |
430b94aa | 720 | pos_vdivs_ = 1; |
17c7f31c SA |
721 | owner_->extents_changed(false, true); |
722 | } | |
430b94aa SA |
723 | |
724 | // If there is still no negative div when we need it, add one | |
725 | // (this can happen when pos_vdivs was 0 or 1 when trying to split) | |
17c7f31c | 726 | if ((min < 0) && (neg_vdivs_ == 0)) { |
430b94aa | 727 | neg_vdivs_ = 1; |
17c7f31c SA |
728 | owner_->extents_changed(false, true); |
729 | } | |
430b94aa | 730 | |
73e377fe SA |
731 | double min_value_per_div; |
732 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
733 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
734 | else if (pos_vdivs_ > 0) | |
735 | min_value_per_div = max / pos_vdivs_; | |
736 | else | |
737 | min_value_per_div = -min / neg_vdivs_; | |
738 | ||
739 | // Find first scale value that is bigger than the value we need | |
740 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
741 | if (get_resolution(i) > min_value_per_div) { | |
742 | scale_index_ = i; | |
743 | break; | |
744 | } | |
745 | ||
746 | update_scale(); | |
747 | } | |
748 | ||
4cffac16 SA |
749 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
750 | { | |
751 | // Add the standard options | |
752 | Signal::populate_popup_form(parent, form); | |
753 | ||
368a37c2 SA |
754 | QFormLayout *const layout = new QFormLayout; |
755 | ||
cbb50547 | 756 | // Add div-related settings |
430b94aa SA |
757 | pvdiv_sb_ = new QSpinBox(parent); |
758 | pvdiv_sb_->setRange(0, MaximumVDivs); | |
759 | pvdiv_sb_->setValue(pos_vdivs_); | |
760 | connect(pvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 761 | this, SLOT(on_pos_vdivs_changed(int))); |
430b94aa | 762 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb_); |
459db2c5 | 763 | |
430b94aa SA |
764 | nvdiv_sb_ = new QSpinBox(parent); |
765 | nvdiv_sb_->setRange(0, MaximumVDivs); | |
766 | nvdiv_sb_->setValue(neg_vdivs_); | |
767 | connect(nvdiv_sb_, SIGNAL(valueChanged(int)), | |
459db2c5 | 768 | this, SLOT(on_neg_vdivs_changed(int))); |
430b94aa | 769 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb_); |
368a37c2 | 770 | |
cbb50547 SA |
771 | div_height_sb_ = new QSpinBox(parent); |
772 | div_height_sb_->setRange(20, 1000); | |
773 | div_height_sb_->setSingleStep(5); | |
774 | div_height_sb_->setSuffix(tr(" pixels")); | |
775 | div_height_sb_->setValue(div_height_); | |
776 | connect(div_height_sb_, SIGNAL(valueChanged(int)), | |
777 | this, SLOT(on_div_height_changed(int))); | |
778 | layout->addRow(tr("Div height"), div_height_sb_); | |
779 | ||
368a37c2 SA |
780 | // Add the vertical resolution |
781 | resolution_cb_ = new QComboBox(parent); | |
782 | ||
783 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
784 | const QString label = QString("%1").arg(get_resolution(i)); | |
785 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
786 | } | |
787 | ||
a970015f | 788 | int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); |
368a37c2 SA |
789 | resolution_cb_->setCurrentIndex(cur_idx); |
790 | ||
791 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
792 | this, SLOT(on_resolution_changed(int))); | |
793 | ||
794 | QGridLayout *const vdiv_layout = new QGridLayout; | |
795 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
796 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
797 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
798 | ||
799 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
800 | ||
73e377fe SA |
801 | // Add the autoranging checkbox |
802 | QCheckBox* autoranging_cb = new QCheckBox(); | |
803 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
804 | ||
805 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
806 | this, SLOT(on_autoranging_changed(int))); | |
807 | ||
808 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
809 | ||
a970015f SA |
810 | // Add the conversion type dropdown |
811 | conversion_cb_ = new QComboBox(); | |
812 | ||
2b6e7a72 SA |
813 | conversion_cb_->addItem(tr("none"), |
814 | SignalBase::NoConversion); | |
815 | conversion_cb_->addItem(tr("to logic via threshold"), | |
b9cdbe03 | 816 | SignalBase::A2LConversionByThreshold); |
2b6e7a72 SA |
817 | conversion_cb_->addItem(tr("to logic via schmitt-trigger"), |
818 | SignalBase::A2LConversionBySchmittTrigger); | |
a970015f | 819 | |
06b6ce26 | 820 | cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); |
a970015f SA |
821 | conversion_cb_->setCurrentIndex(cur_idx); |
822 | ||
7c84c074 | 823 | layout->addRow(tr("Conversion"), conversion_cb_); |
a970015f SA |
824 | |
825 | connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), | |
826 | this, SLOT(on_conversion_changed(int))); | |
827 | ||
52c900ac SA |
828 | // Add the conversion threshold settings |
829 | conv_threshold_cb_ = new QComboBox(); | |
830 | conv_threshold_cb_->setEditable(true); | |
831 | ||
832 | layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); | |
833 | ||
834 | connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), | |
835 | this, SLOT(on_conv_threshold_changed(int))); | |
836 | connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString)), | |
837 | this, SLOT(on_conv_threshold_changed())); // index will be -1 | |
838 | ||
a970015f SA |
839 | // Add the display type dropdown |
840 | display_type_cb_ = new QComboBox(); | |
841 | ||
c6b017fb SA |
842 | display_type_cb_->addItem(tr("analog"), DisplayAnalog); |
843 | display_type_cb_->addItem(tr("converted"), DisplayConverted); | |
844 | display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); | |
a970015f SA |
845 | |
846 | cur_idx = display_type_cb_->findData(QVariant(display_type_)); | |
847 | display_type_cb_->setCurrentIndex(cur_idx); | |
848 | ||
c6b017fb | 849 | layout->addRow(tr("Show traces for"), display_type_cb_); |
a970015f | 850 | |
b8c4a95b SA |
851 | connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), |
852 | this, SLOT(on_display_type_changed(int))); | |
853 | ||
52c900ac SA |
854 | // Update the conversion widget contents and states |
855 | update_conversion_widgets(); | |
856 | ||
368a37c2 | 857 | form->addRow(layout); |
4cffac16 SA |
858 | } |
859 | ||
c6d9cf65 | 860 | void AnalogSignal::on_min_max_changed(float min, float max) |
85715407 | 861 | { |
c6d9cf65 SA |
862 | (void)min; |
863 | (void)max; | |
864 | ||
865 | if (autoranging_) | |
866 | perform_autoranging(false, false); | |
85715407 SA |
867 | } |
868 | ||
459db2c5 SA |
869 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
870 | { | |
430b94aa SA |
871 | if (vdivs == pos_vdivs_) |
872 | return; | |
873 | ||
459db2c5 SA |
874 | pos_vdivs_ = vdivs; |
875 | ||
80067e49 SA |
876 | // There has to be at least one div, positive or negative |
877 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
878 | pos_vdivs_ = 1; | |
879 | if (pvdiv_sb_) | |
880 | pvdiv_sb_->setValue(pos_vdivs_); | |
881 | } | |
882 | ||
430b94aa SA |
883 | if (autoranging_) { |
884 | perform_autoranging(true, true); | |
885 | ||
886 | // It could be that a positive or negative div was added, so update | |
887 | if (pvdiv_sb_) { | |
888 | pvdiv_sb_->setValue(pos_vdivs_); | |
889 | nvdiv_sb_->setValue(neg_vdivs_); | |
890 | } | |
891 | } | |
73e377fe | 892 | |
459db2c5 SA |
893 | if (owner_) { |
894 | // Call order is important, otherwise the lazy event handler won't work | |
895 | owner_->extents_changed(false, true); | |
896 | owner_->row_item_appearance_changed(false, true); | |
897 | } | |
898 | } | |
899 | ||
900 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 901 | { |
430b94aa SA |
902 | if (vdivs == neg_vdivs_) |
903 | return; | |
904 | ||
459db2c5 | 905 | neg_vdivs_ = vdivs; |
4cffac16 | 906 | |
80067e49 SA |
907 | // There has to be at least one div, positive or negative |
908 | if ((neg_vdivs_ == 0) && (pos_vdivs_ == 0)) { | |
909 | pos_vdivs_ = 1; | |
910 | if (pvdiv_sb_) | |
911 | pvdiv_sb_->setValue(pos_vdivs_); | |
912 | } | |
913 | ||
430b94aa SA |
914 | if (autoranging_) { |
915 | perform_autoranging(true, true); | |
916 | ||
917 | // It could be that a positive or negative div was added, so update | |
918 | if (pvdiv_sb_) { | |
919 | pvdiv_sb_->setValue(pos_vdivs_); | |
920 | nvdiv_sb_->setValue(neg_vdivs_); | |
921 | } | |
922 | } | |
73e377fe | 923 | |
75d0779e SA |
924 | if (owner_) { |
925 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 926 | owner_->extents_changed(false, true); |
75d0779e SA |
927 | owner_->row_item_appearance_changed(false, true); |
928 | } | |
4cffac16 SA |
929 | } |
930 | ||
cbb50547 SA |
931 | void AnalogSignal::on_div_height_changed(int height) |
932 | { | |
933 | div_height_ = height; | |
934 | update_scale(); | |
935 | ||
936 | if (owner_) { | |
937 | // Call order is important, otherwise the lazy event handler won't work | |
938 | owner_->extents_changed(false, true); | |
939 | owner_->row_item_appearance_changed(false, true); | |
940 | } | |
941 | } | |
942 | ||
368a37c2 SA |
943 | void AnalogSignal::on_resolution_changed(int index) |
944 | { | |
945 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
946 | update_scale(); | |
947 | ||
948 | if (owner_) | |
949 | owner_->row_item_appearance_changed(false, true); | |
950 | } | |
4cffac16 | 951 | |
73e377fe SA |
952 | void AnalogSignal::on_autoranging_changed(int state) |
953 | { | |
954 | autoranging_ = (state == Qt::Checked); | |
955 | ||
956 | if (autoranging_) | |
430b94aa | 957 | perform_autoranging(false, true); |
73e377fe | 958 | |
85715407 SA |
959 | if (owner_) { |
960 | // Call order is important, otherwise the lazy event handler won't work | |
961 | owner_->extents_changed(false, true); | |
73e377fe | 962 | owner_->row_item_appearance_changed(false, true); |
85715407 | 963 | } |
73e377fe SA |
964 | } |
965 | ||
a970015f SA |
966 | void AnalogSignal::on_conversion_changed(int index) |
967 | { | |
2b6e7a72 | 968 | SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); |
a8fd2759 | 969 | |
2b6e7a72 SA |
970 | SignalBase::ConversionType conv_type = |
971 | (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); | |
a8fd2759 | 972 | |
06b6ce26 SA |
973 | if (conv_type != old_conv_type) { |
974 | base_->set_conversion_type(conv_type); | |
52c900ac | 975 | update_conversion_widgets(); |
06b6ce26 SA |
976 | |
977 | if (owner_) | |
978 | owner_->row_item_appearance_changed(false, true); | |
a8fd2759 | 979 | } |
a970015f SA |
980 | } |
981 | ||
52c900ac SA |
982 | void AnalogSignal::on_conv_threshold_changed(int index) |
983 | { | |
2b6e7a72 | 984 | SignalBase::ConversionType conv_type = base_->get_conversion_type(); |
52c900ac SA |
985 | |
986 | // Note: index is set to -1 if the text in the combo box matches none of | |
987 | // the entries in the combo box | |
988 | ||
989 | if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) | |
990 | return; | |
991 | ||
992 | // The combo box entry with the custom value has user_data set to -1 | |
993 | const int user_data = conv_threshold_cb_->findText( | |
994 | conv_threshold_cb_->currentText()); | |
995 | ||
996 | const bool use_custom_thr = (index == -1) || (user_data == -1); | |
997 | ||
b9cdbe03 | 998 | if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { |
52c900ac SA |
999 | // Not one of the preset values, try to parse the combo box text |
1000 | // Note: Regex loosely based on | |
1001 | // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 | |
1002 | QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value | |
1003 | QString re2 = "([a-zA-Z]*)"; // SI unit | |
1004 | QRegExp regex(re1 + re2); | |
1005 | ||
1006 | const QString text = conv_threshold_cb_->currentText(); | |
1007 | if (!regex.exactMatch(text)) | |
1008 | return; // String doesn't match the regex | |
1009 | ||
1010 | QStringList tokens = regex.capturedTexts(); | |
1011 | ||
1012 | // For now, we simply assume that the unit is volt without modifiers | |
1013 | const double thr = tokens.at(1).toDouble(); | |
1014 | ||
932bc246 SA |
1015 | // Only restart the conversion if the threshold was updated. |
1016 | // We're starting a delayed conversion because the user may still be | |
1017 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac | 1018 | if (base_->set_conversion_option("threshold_value", thr)) |
932bc246 | 1019 | base_->start_conversion(true); |
52c900ac SA |
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 | ||
932bc246 SA |
1043 | // Only restart the conversion if one of the options was updated. |
1044 | // We're starting a delayed conversion because the user may still be | |
1045 | // typing and the UI would lag if we kept on restarting it immediately | |
52c900ac SA |
1046 | bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); |
1047 | bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); | |
1048 | if (o1 || o2) | |
932bc246 | 1049 | base_->start_conversion(true); // Start delayed conversion |
52c900ac SA |
1050 | } |
1051 | ||
f0f9c856 | 1052 | base_->set_conversion_preset((SignalBase::ConversionPreset)index); |
52c900ac | 1053 | |
932bc246 SA |
1054 | // Immediately start the conversion if we're not using custom values |
1055 | // (i.e. we're using one of the presets) | |
1056 | if (!use_custom_thr) | |
52c900ac SA |
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 |