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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" |
8de1e1b2 | 41 | #include "pv/globalsettings.hpp" |
aba1dd16 | 42 | |
fe3a1c21 | 43 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 44 | |
6f925ba9 UH |
45 | using std::deque; |
46 | using std::div; | |
47 | using std::div_t; | |
819f4c25 | 48 | using std::max; |
a5d93c27 | 49 | using std::make_pair; |
819f4c25 | 50 | using std::min; |
6f925ba9 UH |
51 | using std::numeric_limits; |
52 | using std::pair; | |
f9abf97e | 53 | using std::shared_ptr; |
aba1dd16 JH |
54 | |
55 | namespace pv { | |
f4e57597 SA |
56 | namespace views { |
57 | namespace TraceView { | |
aba1dd16 | 58 | |
568b90d4 JH |
59 | const QColor AnalogSignal::SignalColours[4] = { |
60 | QColor(0xC4, 0xA0, 0x00), // Yellow | |
61 | QColor(0x87, 0x20, 0x7A), // Magenta | |
62 | QColor(0x20, 0x4A, 0x87), // Blue | |
63 | QColor(0x4E, 0x9A, 0x06) // Green | |
64 | }; | |
65 | ||
46a0cadc SA |
66 | const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40*256/100); |
67 | const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20*256/100); | |
37b9fed4 | 68 | |
8de1e1b2 UH |
69 | const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); |
70 | ||
7c68ddae JH |
71 | const float AnalogSignal::EnvelopeThreshold = 256.0f; |
72 | ||
4cffac16 | 73 | const int AnalogSignal::MaximumVDivs = 10; |
368a37c2 SA |
74 | const int AnalogSignal::MinScaleIndex = -6; |
75 | const int AnalogSignal::MaxScaleIndex = 7; | |
4cffac16 | 76 | |
03cc651d SA |
77 | const int AnalogSignal::InfoTextMarginRight = 20; |
78 | const int AnalogSignal::InfoTextMarginBottom = 5; | |
79 | ||
b86aa8f4 | 80 | AnalogSignal::AnalogSignal( |
2b81ae46 | 81 | pv::Session &session, |
cbd2a2de | 82 | shared_ptr<data::SignalBase> base) : |
73a25a6e | 83 | Signal(session, base), |
834a4f1b | 84 | scale_index_(4), // 20 per div |
37b9fed4 SA |
85 | scale_index_drag_offset_(0), |
86 | div_height_(3 * QFontMetrics(QApplication::font()).height()), | |
459db2c5 SA |
87 | pos_vdivs_(1), |
88 | neg_vdivs_(1), | |
73e377fe | 89 | resolution_(0), |
1f1d55ce | 90 | autoranging_(true) |
aba1dd16 | 91 | { |
85715407 SA |
92 | pv::data::Analog* analog_data = |
93 | dynamic_cast<pv::data::Analog*>(data().get()); | |
94 | ||
95 | connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), | |
96 | this, SLOT(on_samples_added())); | |
97 | ||
73a25a6e | 98 | base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]); |
834a4f1b | 99 | update_scale(); |
aba1dd16 JH |
100 | } |
101 | ||
3009b5b3 JH |
102 | shared_ptr<pv::data::SignalData> AnalogSignal::data() const |
103 | { | |
cbd2a2de | 104 | return base_->analog_data(); |
9a0cd293 JH |
105 | } |
106 | ||
3a21afa6 SA |
107 | void AnalogSignal::save_settings(QSettings &settings) const |
108 | { | |
459db2c5 SA |
109 | settings.setValue("pos_vdivs", pos_vdivs_); |
110 | settings.setValue("neg_vdivs", neg_vdivs_); | |
3a21afa6 | 111 | settings.setValue("scale_index", scale_index_); |
73e377fe | 112 | settings.setValue("autoranging", autoranging_); |
3a21afa6 SA |
113 | } |
114 | ||
115 | void AnalogSignal::restore_settings(QSettings &settings) | |
116 | { | |
459db2c5 SA |
117 | if (settings.contains("pos_vdivs")) |
118 | pos_vdivs_ = settings.value("pos_vdivs").toInt(); | |
119 | ||
120 | if (settings.contains("neg_vdivs")) | |
121 | neg_vdivs_ = settings.value("neg_vdivs").toInt(); | |
3a21afa6 SA |
122 | |
123 | if (settings.contains("scale_index")) { | |
124 | scale_index_ = settings.value("scale_index").toInt(); | |
125 | update_scale(); | |
126 | } | |
73e377fe SA |
127 | |
128 | if (settings.contains("autoranging")) | |
129 | autoranging_ = settings.value("autoranging").toBool(); | |
3a21afa6 SA |
130 | } |
131 | ||
6f925ba9 | 132 | pair<int, int> AnalogSignal::v_extents() const |
a5d93c27 | 133 | { |
459db2c5 SA |
134 | const int ph = pos_vdivs_ * div_height_; |
135 | const int nh = neg_vdivs_ * div_height_; | |
136 | return make_pair(-ph, nh); | |
a5d93c27 JH |
137 | } |
138 | ||
214470fc JH |
139 | int AnalogSignal::scale_handle_offset() const |
140 | { | |
459db2c5 | 141 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 142 | |
8a2fafcc | 143 | return ((scale_index_drag_offset_ - scale_index_) * |
37b9fed4 | 144 | h / 4) - h / 2; |
214470fc JH |
145 | } |
146 | ||
147 | void AnalogSignal::scale_handle_dragged(int offset) | |
148 | { | |
459db2c5 | 149 | const int h = (pos_vdivs_ + neg_vdivs_) * div_height_; |
37b9fed4 | 150 | |
8a2fafcc | 151 | scale_index_ = scale_index_drag_offset_ - |
37b9fed4 | 152 | (offset + h / 2) / (h / 4); |
834a4f1b SA |
153 | |
154 | update_scale(); | |
8a2fafcc JH |
155 | } |
156 | ||
157 | void AnalogSignal::scale_handle_drag_release() | |
158 | { | |
159 | scale_index_drag_offset_ = scale_index_; | |
834a4f1b | 160 | update_scale(); |
214470fc JH |
161 | } |
162 | ||
5b5fa4da | 163 | void AnalogSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp) |
fe08b6e8 | 164 | { |
73a25a6e | 165 | if (base_->enabled()) { |
99af6802 | 166 | Trace::paint_back(p, pp); |
97904bf7 | 167 | paint_axis(p, pp, get_visual_y()); |
99af6802 | 168 | } |
fe08b6e8 JH |
169 | } |
170 | ||
5b5fa4da | 171 | void AnalogSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp) |
aba1dd16 | 172 | { |
cbd2a2de | 173 | assert(base_->analog_data()); |
8dbbc7f0 | 174 | assert(owner_); |
a8acb46e | 175 | |
be9e7b4b | 176 | const int y = get_visual_y(); |
01fd3263 | 177 | |
73a25a6e | 178 | if (!base_->enabled()) |
cec48d16 JH |
179 | return; |
180 | ||
37b9fed4 SA |
181 | paint_grid(p, y, pp.left(), pp.right()); |
182 | ||
f3d66e52 | 183 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = |
cbd2a2de | 184 | base_->analog_data()->analog_segments(); |
f3d66e52 | 185 | if (segments.empty()) |
a8acb46e JH |
186 | return; |
187 | ||
f3d66e52 JH |
188 | const shared_ptr<pv::data::AnalogSegment> &segment = |
189 | segments.front(); | |
a8acb46e | 190 | |
4c8a6a6d | 191 | const double pixels_offset = pp.pixels_offset(); |
69e33a1b | 192 | const double samplerate = max(1.0, segment->samplerate()); |
60d9b99a | 193 | const pv::util::Timestamp& start_time = segment->start_time(); |
f3d66e52 | 194 | const int64_t last_sample = segment->get_sample_count() - 1; |
4c8a6a6d | 195 | const double samples_per_pixel = samplerate * pp.scale(); |
60d9b99a JS |
196 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); |
197 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
a8acb46e | 198 | |
60d9b99a | 199 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), |
a8acb46e | 200 | (int64_t)0), last_sample); |
60d9b99a | 201 | const int64_t end_sample = min(max((ceil(end) + 1).convert_to<int64_t>(), |
a8acb46e JH |
202 | (int64_t)0), last_sample); |
203 | ||
7c68ddae | 204 | if (samples_per_pixel < EnvelopeThreshold) |
f3d66e52 | 205 | paint_trace(p, segment, y, pp.left(), |
7c68ddae JH |
206 | start_sample, end_sample, |
207 | pixels_offset, samples_per_pixel); | |
208 | else | |
f3d66e52 | 209 | paint_envelope(p, segment, y, pp.left(), |
7c68ddae JH |
210 | start_sample, end_sample, |
211 | pixels_offset, samples_per_pixel); | |
212 | } | |
213 | ||
03cc651d SA |
214 | void AnalogSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp) |
215 | { | |
216 | if (!enabled()) | |
217 | return; | |
218 | ||
219 | const int y = get_visual_y(); | |
220 | ||
221 | // Show the info section on the right side of the trace | |
222 | const QString infotext = QString("%1 V/div").arg(resolution_); | |
223 | ||
73a25a6e | 224 | p.setPen(base_->colour()); |
03cc651d SA |
225 | p.setFont(QApplication::font()); |
226 | ||
227 | const QRectF bounding_rect = QRectF(pp.left(), | |
228 | y + v_extents().first, | |
229 | pp.width() - InfoTextMarginRight, | |
230 | v_extents().second - v_extents().first - InfoTextMarginBottom); | |
231 | ||
232 | p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext); | |
233 | } | |
234 | ||
37b9fed4 SA |
235 | void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right) |
236 | { | |
46a0cadc SA |
237 | p.setRenderHint(QPainter::Antialiasing, false); |
238 | ||
459db2c5 SA |
239 | if (pos_vdivs_ > 0) { |
240 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
241 | for (int i = 1; i <= pos_vdivs_; i++) { | |
242 | const float dy = i * div_height_; | |
243 | p.drawLine(QLineF(left, y - dy, right, y - dy)); | |
244 | } | |
245 | ||
246 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
247 | for (int i = 0; i < pos_vdivs_; i++) { | |
248 | const float dy = i * div_height_; | |
249 | const float dy25 = dy + (0.25 * div_height_); | |
250 | const float dy50 = dy + (0.50 * div_height_); | |
251 | const float dy75 = dy + (0.75 * div_height_); | |
252 | p.drawLine(QLineF(left, y - dy25, right, y - dy25)); | |
253 | p.drawLine(QLineF(left, y - dy50, right, y - dy50)); | |
254 | p.drawLine(QLineF(left, y - dy75, right, y - dy75)); | |
255 | } | |
37b9fed4 SA |
256 | } |
257 | ||
459db2c5 SA |
258 | if (neg_vdivs_ > 0) { |
259 | p.setPen(QPen(GridMajorColor, 1, Qt::DashLine)); | |
260 | for (int i = 1; i <= neg_vdivs_; i++) { | |
261 | const float dy = i * div_height_; | |
262 | p.drawLine(QLineF(left, y + dy, right, y + dy)); | |
263 | } | |
264 | ||
265 | p.setPen(QPen(GridMinorColor, 1, Qt::DashLine)); | |
266 | for (int i = 0; i < neg_vdivs_; i++) { | |
267 | const float dy = i * div_height_; | |
268 | const float dy25 = dy + (0.25 * div_height_); | |
269 | const float dy50 = dy + (0.50 * div_height_); | |
270 | const float dy75 = dy + (0.75 * div_height_); | |
271 | p.drawLine(QLineF(left, y + dy25, right, y + dy25)); | |
272 | p.drawLine(QLineF(left, y + dy50, right, y + dy50)); | |
273 | p.drawLine(QLineF(left, y + dy75, right, y + dy75)); | |
274 | } | |
37b9fed4 | 275 | } |
46a0cadc SA |
276 | |
277 | p.setRenderHint(QPainter::Antialiasing, true); | |
37b9fed4 SA |
278 | } |
279 | ||
7c68ddae | 280 | void AnalogSignal::paint_trace(QPainter &p, |
f3d66e52 | 281 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
282 | int y, int left, const int64_t start, const int64_t end, |
283 | const double pixels_offset, const double samples_per_pixel) | |
284 | { | |
73a25a6e | 285 | p.setPen(base_->colour()); |
7c68ddae | 286 | |
76ce6c7a UH |
287 | const int64_t points_count = end - start; |
288 | ||
289 | QPointF *points = new QPointF[points_count]; | |
a8acb46e JH |
290 | QPointF *point = points; |
291 | ||
8de1e1b2 UH |
292 | QRectF *const sampling_points = new QRectF[points_count]; |
293 | QRectF *sampling_point = sampling_points; | |
294 | ||
26a883ed SA |
295 | pv::data::SegmentAnalogDataIterator* it = |
296 | segment->begin_sample_iteration(start); | |
297 | ||
8de1e1b2 | 298 | const int w = 2; |
7c68ddae | 299 | for (int64_t sample = start; sample != end; sample++) { |
a8acb46e | 300 | const float x = (sample / samples_per_pixel - |
2658961b | 301 | pixels_offset) + left; |
26a883ed SA |
302 | |
303 | *point++ = QPointF(x, y - *((float*)it->value) * scale_); | |
8de1e1b2 UH |
304 | *sampling_point++ = QRectF(x - (w / 2), y - *((float*)it->value) * scale_ - (w / 2), w, w); |
305 | ||
26a883ed | 306 | segment->continue_sample_iteration(it, 1); |
a8acb46e | 307 | } |
26a883ed | 308 | segment->end_sample_iteration(it); |
a8acb46e | 309 | |
76ce6c7a | 310 | p.drawPolyline(points, points_count); |
a8acb46e | 311 | |
8de1e1b2 UH |
312 | // Paint the sampling points if enabled |
313 | GlobalSettings settings; | |
314 | const bool show_sampling_points = | |
315 | settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); | |
00f6bae9 UH |
316 | |
317 | if (show_sampling_points && (samples_per_pixel < 0.25)) { | |
8de1e1b2 UH |
318 | p.setPen(SamplingPointColour); |
319 | p.drawRects(sampling_points, points_count); | |
320 | } | |
321 | ||
a8acb46e | 322 | delete[] points; |
8de1e1b2 | 323 | delete[] sampling_points; |
aba1dd16 JH |
324 | } |
325 | ||
7c68ddae | 326 | void AnalogSignal::paint_envelope(QPainter &p, |
f3d66e52 | 327 | const shared_ptr<pv::data::AnalogSegment> &segment, |
7c68ddae JH |
328 | int y, int left, const int64_t start, const int64_t end, |
329 | const double pixels_offset, const double samples_per_pixel) | |
330 | { | |
f3d66e52 | 331 | using pv::data::AnalogSegment; |
7c68ddae | 332 | |
f3d66e52 JH |
333 | AnalogSegment::EnvelopeSection e; |
334 | segment->get_envelope_section(e, start, end, samples_per_pixel); | |
7c68ddae JH |
335 | |
336 | if (e.length < 2) | |
337 | return; | |
338 | ||
819f4c25 | 339 | p.setPen(QPen(Qt::NoPen)); |
73a25a6e | 340 | p.setBrush(base_->colour()); |
7c68ddae JH |
341 | |
342 | QRectF *const rects = new QRectF[e.length]; | |
343 | QRectF *rect = rects; | |
344 | ||
f3290553 | 345 | for (uint64_t sample = 0; sample < e.length-1; sample++) { |
7c68ddae JH |
346 | const float x = ((e.scale * sample + e.start) / |
347 | samples_per_pixel - pixels_offset) + left; | |
f3d66e52 | 348 | const AnalogSegment::EnvelopeSample *const s = |
7c68ddae JH |
349 | e.samples + sample; |
350 | ||
351 | // We overlap this sample with the next so that vertical | |
352 | // gaps do not appear during steep rising or falling edges | |
834a4f1b SA |
353 | const float b = y - max(s->max, (s+1)->min) * scale_; |
354 | const float t = y - min(s->min, (s+1)->max) * scale_; | |
7c68ddae JH |
355 | |
356 | float h = b - t; | |
f3290553 | 357 | if (h >= 0.0f && h <= 1.0f) |
7c68ddae | 358 | h = 1.0f; |
f3290553 | 359 | if (h <= 0.0f && h >= -1.0f) |
7c68ddae JH |
360 | h = -1.0f; |
361 | ||
362 | *rect++ = QRectF(x, t, 1.0f, h); | |
363 | } | |
364 | ||
365 | p.drawRects(rects, e.length); | |
366 | ||
367 | delete[] rects; | |
368 | delete[] e.samples; | |
369 | } | |
370 | ||
368a37c2 | 371 | float AnalogSignal::get_resolution(int scale_index) |
8a2fafcc JH |
372 | { |
373 | const float seq[] = {1.0f, 2.0f, 5.0f}; | |
834a4f1b | 374 | |
6f925ba9 UH |
375 | const int offset = numeric_limits<int>::max() / (2 * countof(seq)); |
376 | const div_t d = div((int)(scale_index + countof(seq) * offset), | |
8a2fafcc | 377 | countof(seq)); |
834a4f1b | 378 | |
368a37c2 SA |
379 | return powf(10.0f, d.quot - offset) * seq[d.rem]; |
380 | } | |
381 | ||
382 | void AnalogSignal::update_scale() | |
383 | { | |
384 | resolution_ = get_resolution(scale_index_); | |
834a4f1b | 385 | scale_ = div_height_ / resolution_; |
8a2fafcc JH |
386 | } |
387 | ||
73e377fe SA |
388 | void AnalogSignal::perform_autoranging(bool force_update) |
389 | { | |
390 | const deque< shared_ptr<pv::data::AnalogSegment> > &segments = | |
391 | base_->analog_data()->analog_segments(); | |
392 | ||
393 | if (segments.empty()) | |
394 | return; | |
395 | ||
396 | static double prev_min = 0, prev_max = 0; | |
397 | double min = 0, max = 0; | |
398 | ||
399 | for (shared_ptr<pv::data::AnalogSegment> segment : segments) { | |
6f925ba9 | 400 | pair<double, double> mm = segment->get_min_max(); |
73e377fe SA |
401 | min = std::min(min, mm.first); |
402 | max = std::max(max, mm.second); | |
403 | } | |
404 | ||
405 | if ((min == prev_min) && (max == prev_max) && !force_update) | |
406 | return; | |
407 | ||
408 | prev_min = min; | |
409 | prev_max = max; | |
410 | ||
411 | // Use all divs for the positive range if there are no negative values | |
412 | if ((min == 0) && (neg_vdivs_ > 0)) { | |
413 | pos_vdivs_ += neg_vdivs_; | |
414 | neg_vdivs_ = 0; | |
415 | } | |
416 | ||
681b6d5a SA |
417 | // Split up the divs if there are negative values but no negative divs |
418 | if ((min < 0) && (neg_vdivs_ == 0)) { | |
419 | neg_vdivs_ = pos_vdivs_ / 2; | |
420 | pos_vdivs_ -= neg_vdivs_; | |
421 | } | |
422 | ||
73e377fe SA |
423 | double min_value_per_div; |
424 | if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0)) | |
425 | min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_); | |
426 | else if (pos_vdivs_ > 0) | |
427 | min_value_per_div = max / pos_vdivs_; | |
428 | else | |
429 | min_value_per_div = -min / neg_vdivs_; | |
430 | ||
431 | // Find first scale value that is bigger than the value we need | |
432 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) | |
433 | if (get_resolution(i) > min_value_per_div) { | |
434 | scale_index_ = i; | |
435 | break; | |
436 | } | |
437 | ||
438 | update_scale(); | |
439 | } | |
440 | ||
4cffac16 SA |
441 | void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) |
442 | { | |
443 | // Add the standard options | |
444 | Signal::populate_popup_form(parent, form); | |
445 | ||
368a37c2 SA |
446 | QFormLayout *const layout = new QFormLayout; |
447 | ||
448 | // Add the number of vdivs | |
459db2c5 SA |
449 | QSpinBox *pvdiv_sb = new QSpinBox(parent); |
450 | pvdiv_sb->setRange(0, MaximumVDivs); | |
451 | pvdiv_sb->setValue(pos_vdivs_); | |
452 | connect(pvdiv_sb, SIGNAL(valueChanged(int)), | |
453 | this, SLOT(on_pos_vdivs_changed(int))); | |
454 | layout->addRow(tr("Number of pos vertical divs"), pvdiv_sb); | |
455 | ||
456 | QSpinBox *nvdiv_sb = new QSpinBox(parent); | |
457 | nvdiv_sb->setRange(0, MaximumVDivs); | |
458 | nvdiv_sb->setValue(neg_vdivs_); | |
459 | connect(nvdiv_sb, SIGNAL(valueChanged(int)), | |
460 | this, SLOT(on_neg_vdivs_changed(int))); | |
461 | layout->addRow(tr("Number of neg vertical divs"), nvdiv_sb); | |
368a37c2 SA |
462 | |
463 | // Add the vertical resolution | |
464 | resolution_cb_ = new QComboBox(parent); | |
465 | ||
466 | for (int i = MinScaleIndex; i < MaxScaleIndex; i++) { | |
467 | const QString label = QString("%1").arg(get_resolution(i)); | |
468 | resolution_cb_->insertItem(0, label, QVariant(i)); | |
469 | } | |
470 | ||
471 | const int cur_idx = resolution_cb_->findData(QVariant(scale_index_)); | |
472 | resolution_cb_->setCurrentIndex(cur_idx); | |
473 | ||
474 | connect(resolution_cb_, SIGNAL(currentIndexChanged(int)), | |
475 | this, SLOT(on_resolution_changed(int))); | |
476 | ||
477 | QGridLayout *const vdiv_layout = new QGridLayout; | |
478 | QLabel *const vdiv_unit = new QLabel(tr("V/div")); | |
479 | vdiv_layout->addWidget(resolution_cb_, 0, 0); | |
480 | vdiv_layout->addWidget(vdiv_unit, 0, 1); | |
481 | ||
482 | layout->addRow(tr("Vertical resolution"), vdiv_layout); | |
483 | ||
73e377fe SA |
484 | // Add the autoranging checkbox |
485 | QCheckBox* autoranging_cb = new QCheckBox(); | |
486 | autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked); | |
487 | ||
488 | connect(autoranging_cb, SIGNAL(stateChanged(int)), | |
489 | this, SLOT(on_autoranging_changed(int))); | |
490 | ||
491 | layout->addRow(tr("Autoranging"), autoranging_cb); | |
492 | ||
368a37c2 | 493 | form->addRow(layout); |
4cffac16 SA |
494 | } |
495 | ||
85715407 SA |
496 | void AnalogSignal::on_samples_added() |
497 | { | |
498 | perform_autoranging(); | |
499 | ||
500 | if (owner_) { | |
501 | // Call order is important, otherwise the lazy event handler won't work | |
502 | owner_->extents_changed(false, true); | |
503 | owner_->row_item_appearance_changed(false, true); | |
504 | } | |
505 | } | |
506 | ||
459db2c5 SA |
507 | void AnalogSignal::on_pos_vdivs_changed(int vdivs) |
508 | { | |
509 | pos_vdivs_ = vdivs; | |
510 | ||
73e377fe SA |
511 | if (autoranging_) |
512 | perform_autoranging(true); | |
513 | ||
459db2c5 SA |
514 | if (owner_) { |
515 | // Call order is important, otherwise the lazy event handler won't work | |
516 | owner_->extents_changed(false, true); | |
517 | owner_->row_item_appearance_changed(false, true); | |
518 | } | |
519 | } | |
520 | ||
521 | void AnalogSignal::on_neg_vdivs_changed(int vdivs) | |
4cffac16 | 522 | { |
459db2c5 | 523 | neg_vdivs_ = vdivs; |
4cffac16 | 524 | |
73e377fe SA |
525 | if (autoranging_) |
526 | perform_autoranging(true); | |
527 | ||
75d0779e SA |
528 | if (owner_) { |
529 | // Call order is important, otherwise the lazy event handler won't work | |
4cffac16 | 530 | owner_->extents_changed(false, true); |
75d0779e SA |
531 | owner_->row_item_appearance_changed(false, true); |
532 | } | |
4cffac16 SA |
533 | } |
534 | ||
368a37c2 SA |
535 | void AnalogSignal::on_resolution_changed(int index) |
536 | { | |
537 | scale_index_ = resolution_cb_->itemData(index).toInt(); | |
538 | update_scale(); | |
539 | ||
540 | if (owner_) | |
541 | owner_->row_item_appearance_changed(false, true); | |
542 | } | |
4cffac16 | 543 | |
73e377fe SA |
544 | void AnalogSignal::on_autoranging_changed(int state) |
545 | { | |
546 | autoranging_ = (state == Qt::Checked); | |
547 | ||
548 | if (autoranging_) | |
549 | perform_autoranging(true); | |
550 | ||
85715407 SA |
551 | if (owner_) { |
552 | // Call order is important, otherwise the lazy event handler won't work | |
553 | owner_->extents_changed(false, true); | |
73e377fe | 554 | owner_->row_item_appearance_changed(false, true); |
85715407 | 555 | } |
73e377fe SA |
556 | } |
557 | ||
f4e57597 SA |
558 | } // namespace TraceView |
559 | } // namespace views | |
aba1dd16 | 560 | } // namespace pv |