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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> | |
aba1dd16 | 26 | |
37b9fed4 | 27 | #include <QApplication> |
73e377fe | 28 | #include <QCheckBox> |
368a37c2 | 29 | #include <QComboBox> |
4cffac16 | 30 | #include <QFormLayout> |
368a37c2 SA |
31 | #include <QGridLayout> |
32 | #include <QLabel> | |
4cffac16 | 33 | #include <QSpinBox> |
03cc651d | 34 | #include <QString> |
37b9fed4 | 35 | |
2acdb232 JH |
36 | #include "analogsignal.hpp" |
37 | #include "pv/data/analog.hpp" | |
f3d66e52 | 38 | #include "pv/data/analogsegment.hpp" |
bf0edd2b | 39 | #include "pv/data/signalbase.hpp" |
2acdb232 | 40 | #include "pv/view/view.hpp" |
aba1dd16 | 41 | |
fe3a1c21 | 42 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 43 | |
819f4c25 | 44 | using std::max; |
a5d93c27 | 45 | using std::make_pair; |
819f4c25 | 46 | using std::min; |
f9abf97e | 47 | using std::shared_ptr; |
819f4c25 | 48 | using std::deque; |
aba1dd16 JH |
49 | |
50 | namespace pv { | |
f4e57597 SA |
51 | namespace views { |
52 | namespace TraceView { | |
aba1dd16 | 53 | |
568b90d4 JH |
54 | const QColor AnalogSignal::SignalColours[4] = { |
55 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
56 | QColor(0x87, 0x20, 0x7A), // Magenta | |
57 | QColor(0x20, 0x4A, 0x87), // Blue | |
58 | QColor(0x4E, 0x9A, 0x06) // Green | |
59 | }; | |
60 | ||
46a0cadc SA |
61 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40*256/100); |
62 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20*256/100); | |
37b9fed4 | 63 | |
7c68ddae JH |
64 | const float AnalogSignal::EnvelopeThreshold = 256.0f; |
65 | ||
4cffac16 | 66 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
67 | const int AnalogSignal::MinScaleIndex = -6; |
68 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 69 | |
03cc651d SA |
70 | const int AnalogSignal::InfoTextMarginRight = 20; |
71 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
72 | ||
b86aa8f4 | 73 | AnalogSignal::AnalogSignal( |
2b81ae46 | 74 | pv::Session &session, |
cbd2a2de | 75 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 76 | Signal(session, base), |
834a4f1b | 77 | scale_index_(4), // 20 per div |
37b9fed4 SA |
78 | scale_index_drag_offset_(0), |
79 | div_height_(3 * QFontMetrics(QApplication::font()).height()), | |
459db2c5 SA |
80 | pos_vdivs_(1), |
81 | neg_vdivs_(1), | |
73e377fe | 82 | resolution_(0), |
1f1d55ce | 83 | autoranging_(true) |
aba1dd16 | 84 | { |
85715407 SA |
85 | pv::data::Analog* analog_data = |
86 | dynamic_cast<pv::data::Analog*>(data().get()); | |
87 | ||
88 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
89 | this, SLOT(on_samples_added())); | |
90 | ||
73a25a6e | 91 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 92 | update_scale(); |
aba1dd16 JH |
93 | } |
94 | ||
3009b5b3 JH |
95 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
96 | { | |
cbd2a2de | 97 | return base_->analog_data(); |
9a0cd293 JH |
98 | } |
99 | ||
3a21afa6 SA |
100 | void AnalogSignal::save_settings(QSettings &settings) const |
101 | { | |
459db2c5 SA |
102 | settings.setValue("pos_vdivs", pos_vdivs_); |
103 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 104 | settings.setValue("scale_index", scale_index_); |
73e377fe | 105 | settings.setValue("autoranging", autoranging_); |
3a21afa6 SA |
106 | } |
107 | ||
108 | void AnalogSignal::restore_settings(QSettings &settings) | |
109 | { | |
459db2c5 SA |
110 | if (settings.contains("pos_vdivs")) |
111 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
112 | ||
113 | if (settings.contains("neg_vdivs")) | |
114 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
115 | |
116 | if (settings.contains("scale_index")) { | |
117 | scale_index_ = settings.value("scale_index").toInt(); | |
118 | update_scale(); | |
119 | } | |
73e377fe SA |
120 | |
121 | if (settings.contains("autoranging")) | |
122 | autoranging_ = settings.value("autoranging").toBool(); | |
3a21afa6 SA |
123 | } |
124 | ||
a5d93c27 JH |
125 | std::pair<int, int> AnalogSignal::v_extents() const |
126 | { | |
459db2c5 SA |
127 | const int ph = pos_vdivs_ * div_height_; |
128 | const int nh = neg_vdivs_ * div_height_; | |
129 | return make_pair(-ph, nh); | |
a5d93c27 JH |
130 | } |
131 | ||
214470fc JH |
132 | int AnalogSignal::scale_handle_offset() const |
133 | { | |
459db2c5 | 134 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 135 | |
8a2fafcc | 136 | return ((scale_index_drag_offset_ - scale_index_) * |
37b9fed4 | 137 | h / 4) - h / 2; |
214470fc JH |
138 | } |
139 | ||
140 | void AnalogSignal::scale_handle_dragged(int offset) | |
141 | { | |
459db2c5 | 142 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 143 | |
8a2fafcc | 144 | scale_index_ = scale_index_drag_offset_ - |
37b9fed4 | 145 | (offset + h / 2) / (h / 4); |
834a4f1b SA |
146 | |
147 | update_scale(); | |
8a2fafcc JH |
148 | } |
149 | ||
150 | void AnalogSignal::scale_handle_drag_release() | |
151 | { | |
152 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 153 | update_scale(); |
214470fc JH |
154 | } |
155 | ||
5b5fa4da | 156 | void AnalogSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp) |
fe08b6e8 | 157 | { |
73a25a6e | 158 | if (base_->enabled()) { |
99af6802 | 159 | Trace::paint_back(p, pp); |
97904bf7 | 160 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 161 | } |
fe08b6e8 JH |
162 | } |
163 | ||
5b5fa4da | 164 | void AnalogSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp) |
aba1dd16 | 165 | { |
cbd2a2de | 166 | assert(base_->analog_data()); |
8dbbc7f0 | 167 | assert(owner_); |
a8acb46e | 168 | |
be9e7b4b | 169 | const int y = get_visual_y(); |
01fd3263 | 170 | |
73a25a6e | 171 | if (!base_->enabled()) |
cec48d16 JH |
172 | return; |
173 | ||
37b9fed4 SA |
174 | paint_grid(p, y, pp.left(), pp.right()); |
175 | ||
f3d66e52 | 176 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = |
cbd2a2de | 177 | base_->analog_data()->analog_segments(); |
f3d66e52 | 178 | if (segments.empty()) |
a8acb46e JH |
179 | return; |
180 | ||
f3d66e52 JH |
181 | const shared_ptr<pv::data::AnalogSegment> &segment = |
182 | segments.front(); | |
a8acb46e | 183 | |
4c8a6a6d | 184 | const double pixels_offset = pp.pixels_offset(); |
69e33a1b | 185 | const double samplerate = max(1.0, segment->samplerate()); |
60d9b99a | 186 | const pv::util::Timestamp& start_time = segment->start_time(); |
f3d66e52 | 187 | const int64_t last_sample = segment->get_sample_count() - 1; |
4c8a6a6d | 188 | const double samples_per_pixel = samplerate * pp.scale(); |
60d9b99a JS |
189 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
190 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
a8acb46e | 191 | |
60d9b99a | 192 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), |
a8acb46e | 193 | (int64_t)0), last_sample); |
60d9b99a | 194 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), |
a8acb46e JH |
195 | (int64_t)0), last_sample); |
196 | ||
7c68ddae | 197 | if (samples_per_pixel < EnvelopeThreshold) |
f3d66e52 | 198 | paint_trace(p, segment, y, pp.left(), |
7c68ddae JH |
199 | start_sample, end_sample, |
200 | pixels_offset, samples_per_pixel); | |
201 | else | |
f3d66e52 | 202 | paint_envelope(p, segment, y, pp.left(), |
7c68ddae JH |
203 | start_sample, end_sample, |
204 | pixels_offset, samples_per_pixel); | |
205 | } | |
206 | ||
03cc651d SA |
207 | void AnalogSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp) |
208 | { | |
209 | if (!enabled()) | |
210 | return; | |
211 | ||
212 | const int y = get_visual_y(); | |
213 | ||
214 | // Show the info section on the right side of the trace | |
215 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
216 | ||
73a25a6e | 217 | p.setPen(base_->colour()); |
03cc651d SA |
218 | p.setFont(QApplication::font()); |
219 | ||
220 | const QRectF bounding_rect = QRectF(pp.left(), | |
221 | y + v_extents().first, | |
222 | pp.width() - InfoTextMarginRight, | |
223 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
224 | ||
225 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); | |
226 | } | |
227 | ||
37b9fed4 SA |
228 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
229 | { | |
46a0cadc SA |
230 | p.setRenderHint(QPainter::Antialiasing, false); |
231 | ||
459db2c5 SA |
232 | if (pos_vdivs_ > 0) { |
233 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
234 | for (int i = 1; i <= pos_vdivs_; i++) { | |
235 | const float dy = i * div_height_; | |
236 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
237 | } | |
238 | ||
239 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
240 | for (int i = 0; i < pos_vdivs_; i++) { | |
241 | const float dy = i * div_height_; | |
242 | const float dy25 = dy + (0.25 * div_height_); | |
243 | const float dy50 = dy + (0.50 * div_height_); | |
244 | const float dy75 = dy + (0.75 * div_height_); | |
245 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
246 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
247 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
248 | } | |
37b9fed4 SA |
249 | } |
250 | ||
459db2c5 SA |
251 | if (neg_vdivs_ > 0) { |
252 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
253 | for (int i = 1; i <= neg_vdivs_; i++) { | |
254 | const float dy = i * div_height_; | |
255 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
256 | } | |
257 | ||
258 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
259 | for (int i = 0; i < neg_vdivs_; i++) { | |
260 | const float dy = i * div_height_; | |
261 | const float dy25 = dy + (0.25 * div_height_); | |
262 | const float dy50 = dy + (0.50 * div_height_); | |
263 | const float dy75 = dy + (0.75 * div_height_); | |
264 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
265 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
266 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
267 | } | |
37b9fed4 | 268 | } |
46a0cadc SA |
269 | |
270 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
271 | } |
272 | ||
7c68ddae | 273 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 274 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
275 | int y, int left, const int64_t start, const int64_t end, |
276 | const double pixels_offset, const double samples_per_pixel) | |
277 | { | |
73a25a6e | 278 | p.setPen(base_->colour()); |
7c68ddae | 279 | |
76ce6c7a UH |
280 | const int64_t points_count = end - start; |
281 | ||
282 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
283 | QPointF *point = points; |
284 | ||
26a883ed SA |
285 | pv::data::SegmentAnalogDataIterator* it = |
286 | segment->begin_sample_iteration(start); | |
287 | ||
7c68ddae | 288 | for (int64_t sample = start; sample != end; sample++) { |
a8acb46e | 289 | const float x = (sample / samples_per_pixel - |
2658961b | 290 | pixels_offset) + left; |
26a883ed SA |
291 | |
292 | *point++ = QPointF(x, y - *((float*)it->value) * scale_); | |
293 | segment->continue_sample_iteration(it, 1); | |
a8acb46e | 294 | } |
26a883ed | 295 | segment->end_sample_iteration(it); |
a8acb46e | 296 | |
76ce6c7a | 297 | p.drawPolyline(points, points_count); |
a8acb46e JH |
298 | |
299 | delete[] points; | |
aba1dd16 JH |
300 | } |
301 | ||
7c68ddae | 302 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 303 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
304 | int y, int left, const int64_t start, const int64_t end, |
305 | const double pixels_offset, const double samples_per_pixel) | |
306 | { | |
f3d66e52 | 307 | using pv::data::AnalogSegment; |
7c68ddae | 308 | |
f3d66e52 JH |
309 | AnalogSegment::EnvelopeSection e; |
310 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
311 | |
312 | if (e.length < 2) | |
313 | return; | |
314 | ||
819f4c25 | 315 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 316 | p.setBrush(base_->colour()); |
7c68ddae JH |
317 | |
318 | QRectF *const rects = new QRectF[e.length]; | |
319 | QRectF *rect = rects; | |
320 | ||
f3290553 | 321 | for (uint64_t sample = 0; sample < e.length-1; sample++) { |
7c68ddae JH |
322 | const float x = ((e.scale * sample + e.start) / |
323 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 324 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
325 | e.samples + sample; |
326 | ||
327 | // We overlap this sample with the next so that vertical | |
328 | // gaps do not appear during steep rising or falling edges | |
834a4f1b SA |
329 | const float b = y - max(s->max, (s+1)->min) * scale_; |
330 | const float t = y - min(s->min, (s+1)->max) * scale_; | |
7c68ddae JH |
331 | |
332 | float h = b - t; | |
f3290553 | 333 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 334 | h = 1.0f; |
f3290553 | 335 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
336 | h = -1.0f; |
337 | ||
338 | *rect++ = QRectF(x, t, 1.0f, h); | |
339 | } | |
340 | ||
341 | p.drawRects(rects, e.length); | |
342 | ||
343 | delete[] rects; | |
344 | delete[] e.samples; | |
345 | } | |
346 | ||
368a37c2 | 347 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
348 | { |
349 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 350 | |
8a2fafcc JH |
351 | const int offset = std::numeric_limits<int>::max() / (2 * countof(seq)); |
352 | const std::div_t d = std::div( | |
368a37c2 | 353 | (int)(scale_index + countof(seq) * offset), |
8a2fafcc | 354 | countof(seq)); |
834a4f1b | 355 | |
368a37c2 SA |
356 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
357 | } | |
358 | ||
359 | void AnalogSignal::update_scale() | |
360 | { | |
361 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 362 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
363 | } |
364 | ||
73e377fe SA |
365 | void AnalogSignal::perform_autoranging(bool force_update) |
366 | { | |
367 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
368 | base_->analog_data()->analog_segments(); | |
369 | ||
370 | if (segments.empty()) | |
371 | return; | |
372 | ||
373 | static double prev_min = 0, prev_max = 0; | |
374 | double min = 0, max = 0; | |
375 | ||
376 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
377 | std::pair<double, double> mm = segment->get_min_max(); | |
378 | min = std::min(min, mm.first); | |
379 | max = std::max(max, mm.second); | |
380 | } | |
381 | ||
382 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
383 | return; | |
384 | ||
385 | prev_min = min; | |
386 | prev_max = max; | |
387 | ||
388 | // Use all divs for the positive range if there are no negative values | |
389 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
390 | pos_vdivs_ += neg_vdivs_; | |
391 | neg_vdivs_ = 0; | |
392 | } | |
393 | ||
681b6d5a SA |
394 | // Split up the divs if there are negative values but no negative divs |
395 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
396 | neg_vdivs_ = pos_vdivs_ / 2; | |
397 | pos_vdivs_ -= neg_vdivs_; | |
398 | } | |
399 | ||
73e377fe SA |
400 | double min_value_per_div; |
401 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
402 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
403 | else if (pos_vdivs_ > 0) | |
404 | min_value_per_div = max / pos_vdivs_; | |
405 | else | |
406 | min_value_per_div = -min / neg_vdivs_; | |
407 | ||
408 | // Find first scale value that is bigger than the value we need | |
409 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
410 | if (get_resolution(i) > min_value_per_div) { | |
411 | scale_index_ = i; | |
412 | break; | |
413 | } | |
414 | ||
415 | update_scale(); | |
416 | } | |
417 | ||
4cffac16 SA |
418 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
419 | { | |
420 | // Add the standard options | |
421 | Signal::populate_popup_form(parent, form); | |
422 | ||
368a37c2 SA |
423 | QFormLayout *const layout = new QFormLayout; |
424 | ||
425 | // Add the number of vdivs | |
459db2c5 SA |
426 | QSpinBox *pvdiv_sb = new QSpinBox(parent); |
427 | pvdiv_sb->setRange(0, MaximumVDivs); | |
428 | pvdiv_sb->setValue(pos_vdivs_); | |
429 | connect(pvdiv_sb, SIGNAL(valueChanged(int)), | |
430 | this, SLOT(on_pos_vdivs_changed(int))); | |
431 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb); | |
432 | ||
433 | QSpinBox *nvdiv_sb = new QSpinBox(parent); | |
434 | nvdiv_sb->setRange(0, MaximumVDivs); | |
435 | nvdiv_sb->setValue(neg_vdivs_); | |
436 | connect(nvdiv_sb, SIGNAL(valueChanged(int)), | |
437 | this, SLOT(on_neg_vdivs_changed(int))); | |
438 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb); | |
368a37c2 SA |
439 | |
440 | // Add the vertical resolution | |
441 | resolution_cb_ = new QComboBox(parent); | |
442 | ||
443 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
444 | const QString label = QString("%1").arg(get_resolution(i)); | |
445 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
446 | } | |
447 | ||
448 | const int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); | |
449 | resolution_cb_->setCurrentIndex(cur_idx); | |
450 | ||
451 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
452 | this, SLOT(on_resolution_changed(int))); | |
453 | ||
454 | QGridLayout *const vdiv_layout = new QGridLayout; | |
455 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
456 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
457 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
458 | ||
459 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
460 | ||
73e377fe SA |
461 | // Add the autoranging checkbox |
462 | QCheckBox* autoranging_cb = new QCheckBox(); | |
463 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
464 | ||
465 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
466 | this, SLOT(on_autoranging_changed(int))); | |
467 | ||
468 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
469 | ||
368a37c2 | 470 | form->addRow(layout); |
4cffac16 SA |
471 | } |
472 | ||
85715407 SA |
473 | void AnalogSignal::on_samples_added() |
474 | { | |
475 | perform_autoranging(); | |
476 | ||
477 | if (owner_) { | |
478 | // Call order is important, otherwise the lazy event handler won't work | |
479 | owner_->extents_changed(false, true); | |
480 | owner_->row_item_appearance_changed(false, true); | |
481 | } | |
482 | } | |
483 | ||
459db2c5 SA |
484 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
485 | { | |
486 | pos_vdivs_ = vdivs; | |
487 | ||
73e377fe SA |
488 | if (autoranging_) |
489 | perform_autoranging(true); | |
490 | ||
459db2c5 SA |
491 | if (owner_) { |
492 | // Call order is important, otherwise the lazy event handler won't work | |
493 | owner_->extents_changed(false, true); | |
494 | owner_->row_item_appearance_changed(false, true); | |
495 | } | |
496 | } | |
497 | ||
498 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 499 | { |
459db2c5 | 500 | neg_vdivs_ = vdivs; |
4cffac16 | 501 | |
73e377fe SA |
502 | if (autoranging_) |
503 | perform_autoranging(true); | |
504 | ||
75d0779e SA |
505 | if (owner_) { |
506 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 507 | owner_->extents_changed(false, true); |
75d0779e SA |
508 | owner_->row_item_appearance_changed(false, true); |
509 | } | |
4cffac16 SA |
510 | } |
511 | ||
368a37c2 SA |
512 | void AnalogSignal::on_resolution_changed(int index) |
513 | { | |
514 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
515 | update_scale(); | |
516 | ||
517 | if (owner_) | |
518 | owner_->row_item_appearance_changed(false, true); | |
519 | } | |
4cffac16 | 520 | |
73e377fe SA |
521 | void AnalogSignal::on_autoranging_changed(int state) |
522 | { | |
523 | autoranging_ = (state == Qt::Checked); | |
524 | ||
525 | if (autoranging_) | |
526 | perform_autoranging(true); | |
527 | ||
85715407 SA |
528 | if (owner_) { |
529 | // Call order is important, otherwise the lazy event handler won't work | |
530 | owner_->extents_changed(false, true); | |
73e377fe | 531 | owner_->row_item_appearance_changed(false, true); |
85715407 | 532 | } |
73e377fe SA |
533 | } |
534 | ||
f4e57597 SA |
535 | } // namespace TraceView |
536 | } // namespace views | |
aba1dd16 | 537 | } // namespace pv |