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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net> | |
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 | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <climits> | |
21 | ||
22 | #include <QByteArray> | |
23 | #include <QDebug> | |
24 | #include <QFileDialog> | |
25 | #include <QLabel> | |
26 | #include <QMenu> | |
27 | #include <QMessageBox> | |
28 | #include <QToolBar> | |
29 | #include <QVBoxLayout> | |
30 | ||
31 | #include <libsigrokdecode/libsigrokdecode.h> | |
32 | ||
33 | #include "view.hpp" | |
34 | #include "QHexView.hpp" | |
35 | ||
36 | #include "pv/globalsettings.hpp" | |
37 | #include "pv/session.hpp" | |
38 | #include "pv/util.hpp" | |
39 | #include "pv/data/decode/decoder.hpp" | |
40 | ||
41 | using pv::data::DecodeSignal; | |
42 | using pv::data::SignalBase; | |
43 | using pv::data::decode::Decoder; | |
44 | using pv::util::Timestamp; | |
45 | ||
46 | using std::shared_ptr; | |
47 | ||
48 | namespace pv { | |
49 | namespace views { | |
50 | namespace decoder_binary { | |
51 | ||
52 | const char* SaveTypeNames[SaveTypeCount] = { | |
53 | "Binary", | |
54 | "Hex Dump, plain", | |
55 | "Hex Dump, with offset", | |
56 | "Hex Dump, canonical" | |
57 | }; | |
58 | ||
59 | ||
60 | View::View(Session &session, bool is_main_view, QMainWindow *parent) : | |
61 | ViewBase(session, is_main_view, parent), | |
62 | ||
63 | // Note: Place defaults in View::reset_view_state(), not here | |
64 | parent_(parent), | |
65 | decoder_selector_(new QComboBox()), | |
66 | format_selector_(new QComboBox()), | |
67 | class_selector_(new QComboBox()), | |
68 | stacked_widget_(new QStackedWidget()), | |
69 | hex_view_(new QHexView()), | |
70 | save_button_(new QToolButton()), | |
71 | save_action_(new QAction(this)), | |
72 | signal_(nullptr) | |
73 | { | |
74 | QVBoxLayout *root_layout = new QVBoxLayout(this); | |
75 | root_layout->setContentsMargins(0, 0, 0, 0); | |
76 | ||
77 | // Create toolbar | |
78 | QToolBar* toolbar = new QToolBar(); | |
79 | toolbar->setContextMenuPolicy(Qt::PreventContextMenu); | |
80 | parent->addToolBar(toolbar); | |
81 | ||
82 | // Populate toolbar | |
83 | toolbar->addWidget(new QLabel(tr("Decoder:"))); | |
84 | toolbar->addWidget(decoder_selector_); | |
85 | toolbar->addWidget(class_selector_); | |
86 | toolbar->addSeparator(); | |
87 | toolbar->addWidget(new QLabel(tr("Show data as"))); | |
88 | toolbar->addWidget(format_selector_); | |
89 | toolbar->addSeparator(); | |
90 | toolbar->addWidget(save_button_); | |
91 | ||
92 | // Add format types | |
93 | format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump"))); | |
94 | ||
95 | // Add widget stack | |
96 | root_layout->addWidget(stacked_widget_); | |
97 | stacked_widget_->addWidget(hex_view_); | |
98 | stacked_widget_->setCurrentIndex(0); | |
99 | ||
100 | connect(decoder_selector_, SIGNAL(currentIndexChanged(int)), | |
101 | this, SLOT(on_selected_decoder_changed(int))); | |
102 | connect(class_selector_, SIGNAL(currentIndexChanged(int)), | |
103 | this, SLOT(on_selected_class_changed(int))); | |
104 | ||
105 | // Configure widgets | |
106 | decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents); | |
107 | class_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents); | |
108 | ||
109 | // Configure actions | |
110 | save_action_->setText(tr("&Save...")); | |
111 | save_action_->setIcon(QIcon::fromTheme("document-save-as", | |
112 | QIcon(":/icons/document-save-as.png"))); | |
113 | save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S)); | |
114 | connect(save_action_, SIGNAL(triggered(bool)), | |
115 | this, SLOT(on_actionSave_triggered())); | |
116 | ||
117 | QMenu *save_menu = new QMenu(); | |
118 | connect(save_menu, SIGNAL(triggered(QAction*)), | |
119 | this, SLOT(on_actionSave_triggered(QAction*))); | |
120 | ||
121 | for (int i = 0; i < SaveTypeCount; i++) { | |
122 | QAction *const action = save_menu->addAction(tr(SaveTypeNames[i])); | |
123 | action->setData(qVariantFromValue(i)); | |
124 | } | |
125 | ||
126 | save_button_->setMenu(save_menu); | |
127 | save_button_->setDefaultAction(save_action_); | |
128 | save_button_->setPopupMode(QToolButton::MenuButtonPopup); | |
129 | ||
130 | parent->setSizePolicy(hex_view_->sizePolicy()); // TODO Must be updated when selected widget changes | |
131 | ||
132 | reset_view_state(); | |
133 | } | |
134 | ||
135 | ViewType View::get_type() const | |
136 | { | |
137 | return ViewTypeDecoderBinary; | |
138 | } | |
139 | ||
140 | void View::reset_view_state() | |
141 | { | |
142 | ViewBase::reset_view_state(); | |
143 | ||
144 | decoder_selector_->clear(); | |
145 | class_selector_->clear(); | |
146 | format_selector_->setCurrentIndex(0); | |
147 | save_button_->setEnabled(false); | |
148 | ||
149 | hex_view_->clear(); | |
150 | } | |
151 | ||
152 | void View::clear_decode_signals() | |
153 | { | |
154 | ViewBase::clear_decode_signals(); | |
155 | ||
156 | reset_data(); | |
157 | reset_view_state(); | |
158 | } | |
159 | ||
160 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
161 | { | |
162 | ViewBase::add_decode_signal(signal); | |
163 | ||
164 | connect(signal.get(), SIGNAL(name_changed(const QString&)), | |
165 | this, SLOT(on_signal_name_changed(const QString&))); | |
166 | connect(signal.get(), SIGNAL(decoder_stacked(void*)), | |
167 | this, SLOT(on_decoder_stacked(void*))); | |
168 | connect(signal.get(), SIGNAL(decoder_removed(void*)), | |
169 | this, SLOT(on_decoder_removed(void*))); | |
170 | ||
171 | // Add all decoders provided by this signal | |
172 | auto stack = signal->decoder_stack(); | |
173 | if (stack.size() > 1) { | |
174 | for (const shared_ptr<Decoder>& dec : stack) | |
175 | // Only add the decoder if it has binary output | |
176 | if (dec->get_binary_class_count() > 0) { | |
177 | QString title = QString("%1 (%2)").arg(signal->name(), dec->name()); | |
178 | decoder_selector_->addItem(title, QVariant::fromValue((void*)dec.get())); | |
179 | } | |
180 | } else | |
181 | if (!stack.empty()) { | |
182 | shared_ptr<Decoder>& dec = stack.at(0); | |
183 | if (dec->get_binary_class_count() > 0) | |
184 | decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get())); | |
185 | } | |
186 | } | |
187 | ||
188 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
189 | { | |
190 | // Remove all decoders provided by this signal | |
191 | for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) { | |
192 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
193 | ||
194 | if (index != -1) | |
195 | decoder_selector_->removeItem(index); | |
196 | } | |
197 | ||
198 | ViewBase::remove_decode_signal(signal); | |
199 | ||
200 | if (signal.get() == signal_) { | |
201 | reset_data(); | |
202 | update_data(); | |
203 | reset_view_state(); | |
204 | } | |
205 | } | |
206 | ||
207 | void View::save_settings(QSettings &settings) const | |
208 | { | |
209 | ViewBase::save_settings(settings); | |
210 | } | |
211 | ||
212 | void View::restore_settings(QSettings &settings) | |
213 | { | |
214 | // Note: It is assumed that this function is only called once, | |
215 | // immediately after restoring a previous session. | |
216 | ViewBase::restore_settings(settings); | |
217 | } | |
218 | ||
219 | void View::reset_data() | |
220 | { | |
221 | signal_ = nullptr; | |
222 | decoder_ = nullptr; | |
223 | bin_class_id_ = 0; | |
224 | binary_data_exists_ = false; | |
225 | ||
226 | hex_view_->clear(); | |
227 | } | |
228 | ||
229 | void View::update_data() | |
230 | { | |
231 | if (!signal_) | |
232 | return; | |
233 | ||
234 | const DecodeBinaryClass* bin_class = | |
235 | signal_->get_binary_data_class(current_segment_, decoder_, bin_class_id_); | |
236 | ||
237 | hex_view_->set_data(bin_class); | |
238 | ||
239 | if (!binary_data_exists_) | |
240 | return; | |
241 | ||
242 | if (!save_button_->isEnabled()) | |
243 | save_button_->setEnabled(true); | |
244 | } | |
245 | ||
246 | void View::save_data() const | |
247 | { | |
248 | assert(decoder_); | |
249 | assert(signal_); | |
250 | ||
251 | if (!signal_) | |
252 | return; | |
253 | ||
254 | GlobalSettings settings; | |
255 | const QString dir = settings.value("MainWindow/SaveDirectory").toString(); | |
256 | ||
257 | const QString file_name = QFileDialog::getSaveFileName( | |
258 | parent_, tr("Save Binary Data"), dir, tr("Binary Data Files (*.bin);;All Files (*)")); | |
259 | ||
260 | if (file_name.isEmpty()) | |
261 | return; | |
262 | ||
263 | QFile file(file_name); | |
264 | if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) { | |
265 | pair<size_t, size_t> selection = hex_view_->get_selection(); | |
266 | ||
267 | vector<uint8_t> data; | |
268 | data.resize(selection.second - selection.first + 1); | |
269 | ||
270 | signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_, | |
271 | bin_class_id_, selection.first, selection.second, &data); | |
272 | ||
273 | int64_t bytes_written = file.write((const char*)data.data(), data.size()); | |
274 | ||
275 | if ((bytes_written == -1) || ((uint64_t)bytes_written != data.size())) { | |
276 | QMessageBox msg(parent_); | |
277 | msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name)); | |
278 | msg.setStandardButtons(QMessageBox::Ok); | |
279 | msg.setIcon(QMessageBox::Warning); | |
280 | msg.exec(); | |
281 | return; | |
282 | } | |
283 | } | |
284 | } | |
285 | ||
286 | void View::save_data_as_hex_dump(bool with_offset, bool with_ascii) const | |
287 | { | |
288 | assert(decoder_); | |
289 | assert(signal_); | |
290 | ||
291 | if (!signal_) | |
292 | return; | |
293 | ||
294 | GlobalSettings settings; | |
295 | const QString dir = settings.value("MainWindow/SaveDirectory").toString(); | |
296 | ||
297 | const QString file_name = QFileDialog::getSaveFileName( | |
298 | parent_, tr("Save Binary Data"), dir, tr("Hex Dumps (*.txt);;All Files (*)")); | |
299 | ||
300 | if (file_name.isEmpty()) | |
301 | return; | |
302 | ||
303 | QFile file(file_name); | |
304 | if (file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) { | |
305 | pair<size_t, size_t> selection = hex_view_->get_selection(); | |
306 | ||
307 | vector<uint8_t> data; | |
308 | data.resize(selection.second - selection.first + 1); | |
309 | ||
310 | signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_, | |
311 | bin_class_id_, selection.first, selection.second, &data); | |
312 | ||
313 | QTextStream out_stream(&file); | |
314 | ||
315 | uint64_t offset = selection.first; | |
316 | uint64_t n = hex_view_->get_bytes_per_line(); | |
317 | QString s; | |
318 | ||
319 | while (offset < selection.second) { | |
320 | size_t end = std::min((uint64_t)(selection.second), offset + n); | |
321 | offset = hex_view_->create_hex_line(offset, end, &s, with_offset, with_ascii); | |
322 | out_stream << s << endl; | |
323 | } | |
324 | ||
325 | out_stream << endl; | |
326 | ||
327 | if (out_stream.status() != QTextStream::Ok) { | |
328 | QMessageBox msg(parent_); | |
329 | msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name)); | |
330 | msg.setStandardButtons(QMessageBox::Ok); | |
331 | msg.setIcon(QMessageBox::Warning); | |
332 | msg.exec(); | |
333 | return; | |
334 | } | |
335 | } | |
336 | } | |
337 | ||
338 | void View::on_selected_decoder_changed(int index) | |
339 | { | |
340 | if (signal_) | |
341 | disconnect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int))); | |
342 | ||
343 | reset_data(); | |
344 | ||
345 | decoder_ = (Decoder*)decoder_selector_->itemData(index).value<void*>(); | |
346 | ||
347 | // Find the signal that contains the selected decoder | |
348 | for (const shared_ptr<DecodeSignal>& ds : decode_signals_) | |
349 | for (const shared_ptr<Decoder>& dec : ds->decoder_stack()) | |
350 | if (decoder_ == dec.get()) | |
351 | signal_ = ds.get(); | |
352 | ||
353 | class_selector_->clear(); | |
354 | ||
355 | if (signal_) { | |
356 | // Populate binary class selector | |
357 | uint32_t bin_classes = decoder_->get_binary_class_count(); | |
358 | for (uint32_t i = 0; i < bin_classes; i++) { | |
359 | const data::decode::DecodeBinaryClassInfo* class_info = decoder_->get_binary_class(i); | |
360 | class_selector_->addItem(class_info->description, QVariant::fromValue(i)); | |
361 | } | |
362 | ||
363 | connect(signal_, SIGNAL(new_binary_data(unsigned int, void*, unsigned int)), | |
364 | this, SLOT(on_new_binary_data(unsigned int, void*, unsigned int))); | |
365 | } | |
366 | ||
367 | update_data(); | |
368 | } | |
369 | ||
370 | void View::on_selected_class_changed(int index) | |
371 | { | |
372 | bin_class_id_ = class_selector_->itemData(index).value<uint32_t>(); | |
373 | ||
374 | binary_data_exists_ = (signal_) ? | |
375 | signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_) : | |
376 | false; | |
377 | ||
378 | update_data(); | |
379 | } | |
380 | ||
381 | void View::on_signal_name_changed(const QString &name) | |
382 | { | |
383 | (void)name; | |
384 | ||
385 | SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender()); | |
386 | assert(sb); | |
387 | ||
388 | DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb); | |
389 | assert(signal); | |
390 | ||
391 | // Update all decoder entries provided by this signal | |
392 | auto stack = signal->decoder_stack(); | |
393 | if (stack.size() > 1) { | |
394 | for (const shared_ptr<Decoder>& dec : stack) { | |
395 | QString title = QString("%1 (%2)").arg(signal->name(), dec->name()); | |
396 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
397 | ||
398 | if (index != -1) | |
399 | decoder_selector_->setItemText(index, title); | |
400 | } | |
401 | } else | |
402 | if (!stack.empty()) { | |
403 | shared_ptr<Decoder>& dec = stack.at(0); | |
404 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
405 | ||
406 | if (index != -1) | |
407 | decoder_selector_->setItemText(index, signal->name()); | |
408 | } | |
409 | } | |
410 | ||
411 | void View::on_new_binary_data(unsigned int segment_id, void* decoder, unsigned int bin_class_id) | |
412 | { | |
413 | if ((segment_id == current_segment_) && (decoder == decoder_) && (bin_class_id == bin_class_id_)) | |
414 | if (!delayed_view_updater_.isActive()) | |
415 | delayed_view_updater_.start(); | |
416 | } | |
417 | ||
418 | void View::on_decoder_stacked(void* decoder) | |
419 | { | |
420 | // TODO This doesn't change existing entries for the same signal - but it should as the naming scheme may change | |
421 | ||
422 | Decoder* d = static_cast<Decoder*>(decoder); | |
423 | ||
424 | // Only add the decoder if it has binary output | |
425 | if (d->get_binary_class_count() == 0) | |
426 | return; | |
427 | ||
428 | // Find the signal that contains the selected decoder | |
429 | DecodeSignal* signal = nullptr; | |
430 | ||
431 | for (const shared_ptr<DecodeSignal>& ds : decode_signals_) | |
432 | for (const shared_ptr<Decoder>& dec : ds->decoder_stack()) | |
433 | if (d == dec.get()) | |
434 | signal = ds.get(); | |
435 | ||
436 | assert(signal); | |
437 | ||
438 | // Add the decoder to the list | |
439 | QString title = QString("%1 (%2)").arg(signal->name(), d->name()); | |
440 | decoder_selector_->addItem(title, QVariant::fromValue((void*)d)); | |
441 | } | |
442 | ||
443 | void View::on_decoder_removed(void* decoder) | |
444 | { | |
445 | Decoder* d = static_cast<Decoder*>(decoder); | |
446 | ||
447 | // Remove the decoder from the list | |
448 | int index = decoder_selector_->findData(QVariant::fromValue((void*)d)); | |
449 | ||
450 | if (index != -1) | |
451 | decoder_selector_->removeItem(index); | |
452 | } | |
453 | ||
454 | void View::on_actionSave_triggered(QAction* action) | |
455 | { | |
456 | int save_type = SaveTypeBinary; | |
457 | if (action) | |
458 | save_type = action->data().toInt(); | |
459 | ||
460 | switch (save_type) | |
461 | { | |
462 | case SaveTypeBinary: save_data(); break; | |
463 | case SaveTypeHexDumpPlain: save_data_as_hex_dump(false, false); break; | |
464 | case SaveTypeHexDumpWithOffset: save_data_as_hex_dump(true, false); break; | |
465 | case SaveTypeHexDumpComplete: save_data_as_hex_dump(true, true); break; | |
466 | } | |
467 | } | |
468 | ||
469 | void View::perform_delayed_view_update() | |
470 | { | |
471 | if (signal_ && !binary_data_exists_) | |
472 | if (signal_->get_binary_data_chunk_count(current_segment_, decoder_, bin_class_id_)) | |
473 | binary_data_exists_ = true; | |
474 | ||
475 | update_data(); | |
476 | } | |
477 | ||
478 | ||
479 | } // namespace decoder_binary | |
480 | } // namespace views | |
481 | } // namespace pv |