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24d69d27 SA |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2020 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 | ||
f54e68b0 | 22 | #include <QApplication> |
24d69d27 SA |
23 | #include <QDebug> |
24 | #include <QFileDialog> | |
f54e68b0 SA |
25 | #include <QFontMetrics> |
26 | #include <QHeaderView> | |
24d69d27 SA |
27 | #include <QLabel> |
28 | #include <QMenu> | |
29 | #include <QMessageBox> | |
30 | #include <QToolBar> | |
31 | #include <QVBoxLayout> | |
32 | ||
33 | #include <libsigrokdecode/libsigrokdecode.h> | |
34 | ||
35 | #include "view.hpp" | |
36 | ||
37 | #include "pv/globalsettings.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 | ||
f54e68b0 | 46 | using std::make_shared; |
24d69d27 SA |
47 | using std::shared_ptr; |
48 | ||
49 | namespace pv { | |
50 | namespace views { | |
51 | namespace tabular_decoder { | |
52 | ||
f54e68b0 SA |
53 | QSize QCustomTableView::minimumSizeHint() const |
54 | { | |
55 | QSize size(QTableView::sizeHint()); | |
56 | ||
57 | int width = 0; | |
58 | for (int i = 0; i < horizontalHeader()->count(); i++) | |
59 | if (!horizontalHeader()->isSectionHidden(i)) | |
88a25978 | 60 | width += horizontalHeader()->sectionSize(i); |
f54e68b0 SA |
61 | |
62 | size.setWidth(width + (horizontalHeader()->count() * 1)); | |
63 | ||
64 | return size; | |
65 | } | |
66 | ||
67 | QSize QCustomTableView::sizeHint() const | |
68 | { | |
69 | return minimumSizeHint(); | |
70 | } | |
71 | ||
24d69d27 SA |
72 | |
73 | View::View(Session &session, bool is_main_view, QMainWindow *parent) : | |
74 | ViewBase(session, is_main_view, parent), | |
75 | ||
76 | // Note: Place defaults in View::reset_view_state(), not here | |
77 | parent_(parent), | |
78 | decoder_selector_(new QComboBox()), | |
79 | save_button_(new QToolButton()), | |
80 | save_action_(new QAction(this)), | |
f54e68b0 | 81 | table_view_(new QCustomTableView()), |
24d69d27 | 82 | model_(new AnnotationCollectionModel()), |
f54e68b0 SA |
83 | signal_(nullptr), |
84 | updating_data_(false) | |
24d69d27 SA |
85 | { |
86 | QVBoxLayout *root_layout = new QVBoxLayout(this); | |
87 | root_layout->setContentsMargins(0, 0, 0, 0); | |
88 | root_layout->addWidget(table_view_); | |
89 | ||
90 | // Create toolbar | |
91 | QToolBar* toolbar = new QToolBar(); | |
92 | toolbar->setContextMenuPolicy(Qt::PreventContextMenu); | |
93 | parent->addToolBar(toolbar); | |
94 | ||
95 | // Populate toolbar | |
96 | toolbar->addWidget(new QLabel(tr("Decoder:"))); | |
97 | toolbar->addWidget(decoder_selector_); | |
98 | toolbar->addSeparator(); | |
99 | toolbar->addWidget(save_button_); | |
100 | ||
101 | connect(decoder_selector_, SIGNAL(currentIndexChanged(int)), | |
102 | this, SLOT(on_selected_decoder_changed(int))); | |
103 | ||
104 | // Configure widgets | |
105 | decoder_selector_->setSizeAdjustPolicy(QComboBox::AdjustToContents); | |
106 | ||
107 | // Configure actions | |
108 | save_action_->setText(tr("&Save...")); | |
109 | save_action_->setIcon(QIcon::fromTheme("document-save-as", | |
110 | QIcon(":/icons/document-save-as.png"))); | |
111 | save_action_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S)); | |
112 | connect(save_action_, SIGNAL(triggered(bool)), | |
113 | this, SLOT(on_actionSave_triggered())); | |
114 | ||
115 | QMenu *save_menu = new QMenu(); | |
116 | connect(save_menu, SIGNAL(triggered(QAction*)), | |
117 | this, SLOT(on_actionSave_triggered(QAction*))); | |
118 | ||
119 | save_button_->setMenu(save_menu); | |
120 | save_button_->setDefaultAction(save_action_); | |
121 | save_button_->setPopupMode(QToolButton::MenuButtonPopup); | |
122 | ||
123 | // Set up the table view | |
124 | table_view_->setModel(model_); | |
125 | table_view_->setSortingEnabled(true); | |
126 | table_view_->sortByColumn(0, Qt::AscendingOrder); | |
127 | ||
f54e68b0 SA |
128 | const int font_height = QFontMetrics(QApplication::font()).height(); |
129 | table_view_->verticalHeader()->setDefaultSectionSize((font_height * 5) / 4); | |
130 | ||
88a25978 SA |
131 | table_view_->horizontalHeader()->setStretchLastSection(true); |
132 | table_view_->horizontalHeader()->setCascadingSectionResizes(true); | |
133 | table_view_->horizontalHeader()->setSectionsMovable(true); | |
f54e68b0 SA |
134 | |
135 | table_view_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
136 | parent->setSizePolicy(table_view_->sizePolicy()); | |
137 | ||
24d69d27 SA |
138 | reset_view_state(); |
139 | } | |
140 | ||
141 | ViewType View::get_type() const | |
142 | { | |
143 | return ViewTypeTabularDecoder; | |
144 | } | |
145 | ||
146 | void View::reset_view_state() | |
147 | { | |
148 | ViewBase::reset_view_state(); | |
149 | ||
150 | decoder_selector_->clear(); | |
151 | } | |
152 | ||
153 | void View::clear_decode_signals() | |
154 | { | |
155 | ViewBase::clear_decode_signals(); | |
156 | ||
157 | reset_data(); | |
158 | reset_view_state(); | |
159 | } | |
160 | ||
161 | void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
162 | { | |
163 | ViewBase::add_decode_signal(signal); | |
164 | ||
165 | connect(signal.get(), SIGNAL(name_changed(const QString&)), | |
166 | this, SLOT(on_signal_name_changed(const QString&))); | |
88a25978 SA |
167 | |
168 | // Note: At time of initial creation, decode signals have no decoders so we | |
169 | // need to watch for decoder stacking events | |
170 | ||
24d69d27 SA |
171 | connect(signal.get(), SIGNAL(decoder_stacked(void*)), |
172 | this, SLOT(on_decoder_stacked(void*))); | |
173 | connect(signal.get(), SIGNAL(decoder_removed(void*)), | |
174 | this, SLOT(on_decoder_removed(void*))); | |
175 | ||
88a25978 | 176 | // Add the top-level decoder provided by an already-existing signal |
24d69d27 | 177 | auto stack = signal->decoder_stack(); |
f54e68b0 SA |
178 | if (!stack.empty()) { |
179 | shared_ptr<Decoder>& dec = stack.at(0); | |
180 | decoder_selector_->addItem(signal->name(), QVariant::fromValue((void*)dec.get())); | |
181 | } | |
24d69d27 SA |
182 | } |
183 | ||
184 | void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
185 | { | |
186 | // Remove all decoders provided by this signal | |
187 | for (const shared_ptr<Decoder>& dec : signal->decoder_stack()) { | |
188 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
189 | ||
190 | if (index != -1) | |
191 | decoder_selector_->removeItem(index); | |
192 | } | |
193 | ||
194 | ViewBase::remove_decode_signal(signal); | |
195 | ||
196 | if (signal.get() == signal_) { | |
197 | reset_data(); | |
198 | update_data(); | |
199 | reset_view_state(); | |
200 | } | |
201 | } | |
202 | ||
203 | void View::save_settings(QSettings &settings) const | |
204 | { | |
205 | ViewBase::save_settings(settings); | |
206 | } | |
207 | ||
208 | void View::restore_settings(QSettings &settings) | |
209 | { | |
210 | // Note: It is assumed that this function is only called once, | |
211 | // immediately after restoring a previous session. | |
212 | ViewBase::restore_settings(settings); | |
213 | } | |
214 | ||
215 | void View::reset_data() | |
216 | { | |
217 | signal_ = nullptr; | |
218 | decoder_ = nullptr; | |
219 | } | |
220 | ||
221 | void View::update_data() | |
222 | { | |
223 | if (!signal_) | |
224 | return; | |
225 | ||
f54e68b0 SA |
226 | if (updating_data_) { |
227 | if (!delayed_view_updater_.isActive()) | |
228 | delayed_view_updater_.start(); | |
229 | return; | |
230 | } | |
231 | ||
232 | updating_data_ = true; | |
233 | ||
234 | table_view_->setRootIndex(model_->index(1, 0, QModelIndex())); | |
235 | model_->set_signal_and_segment(signal_, current_segment_); | |
236 | ||
237 | updating_data_ = false; | |
24d69d27 SA |
238 | } |
239 | ||
240 | void View::save_data() const | |
241 | { | |
242 | assert(decoder_); | |
243 | assert(signal_); | |
244 | ||
245 | if (!signal_) | |
246 | return; | |
247 | ||
248 | /* GlobalSettings settings; | |
249 | const QString dir = settings.value("MainWindow/SaveDirectory").toString(); | |
250 | ||
251 | const QString file_name = QFileDialog::getSaveFileName( | |
252 | parent_, tr("Save Binary Data"), dir, tr("Binary Data Files (*.bin);;All Files (*)")); | |
253 | ||
254 | if (file_name.isEmpty()) | |
255 | return; | |
256 | ||
257 | QFile file(file_name); | |
258 | if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) { | |
259 | pair<size_t, size_t> selection = hex_view_->get_selection(); | |
260 | ||
261 | vector<uint8_t> data; | |
262 | data.resize(selection.second - selection.first + 1); | |
263 | ||
264 | signal_->get_merged_binary_data_chunks_by_offset(current_segment_, decoder_, | |
265 | bin_class_id_, selection.first, selection.second, &data); | |
266 | ||
267 | int64_t bytes_written = file.write((const char*)data.data(), data.size()); | |
268 | ||
269 | if ((bytes_written == -1) || ((uint64_t)bytes_written != data.size())) { | |
270 | QMessageBox msg(parent_); | |
271 | msg.setText(tr("Error") + "\n\n" + tr("File %1 could not be written to.").arg(file_name)); | |
272 | msg.setStandardButtons(QMessageBox::Ok); | |
273 | msg.setIcon(QMessageBox::Warning); | |
274 | msg.exec(); | |
275 | return; | |
276 | } | |
277 | } */ | |
278 | } | |
279 | ||
280 | void View::on_selected_decoder_changed(int index) | |
281 | { | |
02c87df7 | 282 | if (signal_) { |
88a25978 | 283 | disconnect(signal_, SIGNAL(signal_color_changed())); |
24d69d27 | 284 | disconnect(signal_, SIGNAL(new_annotations())); |
02c87df7 SA |
285 | disconnect(signal_, SIGNAL(decode_reset())); |
286 | } | |
24d69d27 SA |
287 | |
288 | reset_data(); | |
289 | ||
290 | decoder_ = (Decoder*)decoder_selector_->itemData(index).value<void*>(); | |
291 | ||
292 | // Find the signal that contains the selected decoder | |
293 | for (const shared_ptr<DecodeSignal>& ds : decode_signals_) | |
294 | for (const shared_ptr<Decoder>& dec : ds->decoder_stack()) | |
295 | if (decoder_ == dec.get()) | |
296 | signal_ = ds.get(); | |
297 | ||
02c87df7 | 298 | if (signal_) { |
88a25978 | 299 | connect(signal_, SIGNAL(color_changed(QColor)), this, SLOT(on_signal_color_changed(QColor))); |
24d69d27 | 300 | connect(signal_, SIGNAL(new_annotations()), this, SLOT(on_new_annotations())); |
02c87df7 SA |
301 | connect(signal_, SIGNAL(decode_reset()), this, SLOT(on_decoder_reset())); |
302 | } | |
24d69d27 SA |
303 | |
304 | update_data(); | |
305 | } | |
306 | ||
307 | void View::on_signal_name_changed(const QString &name) | |
308 | { | |
309 | (void)name; | |
310 | ||
311 | SignalBase* sb = qobject_cast<SignalBase*>(QObject::sender()); | |
312 | assert(sb); | |
313 | ||
314 | DecodeSignal* signal = dynamic_cast<DecodeSignal*>(sb); | |
315 | assert(signal); | |
316 | ||
f54e68b0 | 317 | // Update the top-level decoder provided by this signal |
24d69d27 | 318 | auto stack = signal->decoder_stack(); |
f54e68b0 SA |
319 | if (!stack.empty()) { |
320 | shared_ptr<Decoder>& dec = stack.at(0); | |
321 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
24d69d27 | 322 | |
f54e68b0 SA |
323 | if (index != -1) |
324 | decoder_selector_->setItemText(index, signal->name()); | |
325 | } | |
24d69d27 SA |
326 | } |
327 | ||
88a25978 SA |
328 | void View::on_signal_color_changed(const QColor &color) |
329 | { | |
330 | (void)color; | |
331 | ||
332 | table_view_->update(); | |
333 | } | |
334 | ||
24d69d27 SA |
335 | void View::on_new_annotations() |
336 | { | |
337 | if (!delayed_view_updater_.isActive()) | |
338 | delayed_view_updater_.start(); | |
339 | } | |
340 | ||
02c87df7 SA |
341 | void View::on_decoder_reset() |
342 | { | |
343 | // Invalidate the model's data connection immediately - otherwise we | |
344 | // will use a stale pointer in model_->index() when called from the table view | |
345 | model_->set_signal_and_segment(signal_, current_segment_); | |
346 | } | |
347 | ||
24d69d27 SA |
348 | void View::on_decoder_stacked(void* decoder) |
349 | { | |
24d69d27 SA |
350 | Decoder* d = static_cast<Decoder*>(decoder); |
351 | ||
352 | // Find the signal that contains the selected decoder | |
353 | DecodeSignal* signal = nullptr; | |
354 | ||
355 | for (const shared_ptr<DecodeSignal>& ds : decode_signals_) | |
356 | for (const shared_ptr<Decoder>& dec : ds->decoder_stack()) | |
357 | if (d == dec.get()) | |
358 | signal = ds.get(); | |
359 | ||
360 | assert(signal); | |
361 | ||
88a25978 SA |
362 | const shared_ptr<Decoder>& dec = signal->decoder_stack().at(0); |
363 | int index = decoder_selector_->findData(QVariant::fromValue((void*)dec.get())); | |
364 | ||
365 | if (index == -1) { | |
366 | // Add the decoder to the list | |
367 | QString title = QString("%1 (%2)").arg(signal->name(), d->name()); | |
368 | decoder_selector_->addItem(title, QVariant::fromValue((void*)d)); | |
369 | } | |
24d69d27 SA |
370 | } |
371 | ||
372 | void View::on_decoder_removed(void* decoder) | |
373 | { | |
374 | Decoder* d = static_cast<Decoder*>(decoder); | |
375 | ||
376 | // Remove the decoder from the list | |
377 | int index = decoder_selector_->findData(QVariant::fromValue((void*)d)); | |
378 | ||
379 | if (index != -1) | |
380 | decoder_selector_->removeItem(index); | |
381 | } | |
382 | ||
383 | void View::on_actionSave_triggered(QAction* action) | |
384 | { | |
385 | (void)action; | |
386 | ||
387 | save_data(); | |
388 | } | |
389 | ||
390 | void View::perform_delayed_view_update() | |
391 | { | |
392 | update_data(); | |
393 | } | |
394 | ||
395 | ||
396 | } // namespace tabular_decoder | |
397 | } // namespace views | |
398 | } // namespace pv |