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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 | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cassert> | |
21 | ||
22 | #ifdef ENABLE_DECODE | |
23 | #include <libsigrokdecode/libsigrokdecode.h> | |
24 | #endif | |
25 | ||
26 | #include <algorithm> | |
27 | #include <iterator> | |
28 | ||
29 | #include <QAction> | |
30 | #include <QApplication> | |
31 | #include <QCloseEvent> | |
32 | #include <QDockWidget> | |
33 | #include <QHBoxLayout> | |
34 | #include <QMessageBox> | |
35 | #include <QSettings> | |
36 | #include <QWidget> | |
37 | ||
38 | #include "mainwindow.hpp" | |
39 | ||
40 | #include "devicemanager.hpp" | |
41 | #include "util.hpp" | |
42 | #include "devices/hardwaredevice.hpp" | |
43 | #include "dialogs/about.hpp" | |
44 | #include "toolbars/mainbar.hpp" | |
45 | #include "view/view.hpp" | |
46 | #include "views/trace/standardbar.hpp" | |
47 | ||
48 | #include <stdint.h> | |
49 | #include <stdarg.h> | |
50 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
51 | ||
52 | using std::dynamic_pointer_cast; | |
53 | using std::list; | |
54 | using std::make_shared; | |
55 | using std::map; | |
56 | using std::shared_ptr; | |
57 | using std::string; | |
58 | ||
59 | namespace pv { | |
60 | ||
61 | namespace view { | |
62 | class ViewItem; | |
63 | } | |
64 | ||
65 | using toolbars::MainBar; | |
66 | ||
67 | const QString MainWindow::WindowTitle = tr("PulseView"); | |
68 | ||
69 | MainWindow::MainWindow(DeviceManager &device_manager, | |
70 | string open_file_name, string open_file_format, | |
71 | QWidget *parent) : | |
72 | QMainWindow(parent), | |
73 | device_manager_(device_manager), | |
74 | session_selector_(this), | |
75 | session_state_mapper_(this), | |
76 | action_view_sticky_scrolling_(new QAction(this)), | |
77 | action_view_coloured_bg_(new QAction(this)), | |
78 | action_about_(new QAction(this)), | |
79 | icon_red_(":/icons/status-red.svg"), | |
80 | icon_green_(":/icons/status-green.svg"), | |
81 | icon_grey_(":/icons/status-grey.svg") | |
82 | { | |
83 | qRegisterMetaType<util::Timestamp>("util::Timestamp"); | |
84 | ||
85 | setup_ui(); | |
86 | restore_ui_settings(); | |
87 | ||
88 | if (!open_file_name.empty()) { | |
89 | shared_ptr<Session> session = add_session(); | |
90 | session->load_init_file(open_file_name, open_file_format); | |
91 | } | |
92 | ||
93 | // Add empty default session if there aren't any sessions | |
94 | if (sessions_.size() == 0) { | |
95 | shared_ptr<Session> session = add_session(); | |
96 | ||
97 | map<string, string> dev_info; | |
98 | shared_ptr<devices::HardwareDevice> other_device, demo_device; | |
99 | ||
100 | // Use any available device that's not demo | |
101 | for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) { | |
102 | if (dev->hardware_device()->driver()->name() == "demo") { | |
103 | demo_device = dev; | |
104 | } else { | |
105 | other_device = dev; | |
106 | } | |
107 | } | |
108 | ||
109 | // ...and if there isn't any, just use demo then | |
110 | session->select_device(other_device ? other_device : demo_device); | |
111 | } | |
112 | } | |
113 | ||
114 | MainWindow::~MainWindow() | |
115 | { | |
116 | while (!sessions_.empty()) | |
117 | remove_session(sessions_.front()); | |
118 | } | |
119 | ||
120 | QAction* MainWindow::action_view_sticky_scrolling() const | |
121 | { | |
122 | return action_view_sticky_scrolling_; | |
123 | } | |
124 | ||
125 | QAction* MainWindow::action_view_coloured_bg() const | |
126 | { | |
127 | return action_view_coloured_bg_; | |
128 | } | |
129 | ||
130 | QAction* MainWindow::action_about() const | |
131 | { | |
132 | return action_about_; | |
133 | } | |
134 | ||
135 | shared_ptr<views::ViewBase> MainWindow::get_active_view() const | |
136 | { | |
137 | // If there's only one view, use it... | |
138 | if (view_docks_.size() == 1) | |
139 | return view_docks_.begin()->second; | |
140 | ||
141 | // ...otherwise find the dock widget the widget with focus is contained in | |
142 | QObject *w = QApplication::focusWidget(); | |
143 | QDockWidget *dock = 0; | |
144 | ||
145 | while (w) { | |
146 | dock = qobject_cast<QDockWidget*>(w); | |
147 | if (dock) | |
148 | break; | |
149 | w = w->parent(); | |
150 | } | |
151 | ||
152 | // Get the view contained in the dock widget | |
153 | for (auto entry : view_docks_) | |
154 | if (entry.first == dock) | |
155 | return entry.second; | |
156 | ||
157 | return nullptr; | |
158 | } | |
159 | ||
160 | shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title, | |
161 | views::ViewType type, Session &session) | |
162 | { | |
163 | QMainWindow *main_window = nullptr; | |
164 | for (auto entry : session_windows_) | |
165 | if (entry.first.get() == &session) | |
166 | main_window = entry.second; | |
167 | ||
168 | assert(main_window); | |
169 | ||
170 | if (type == views::ViewTypeTrace) { | |
171 | QDockWidget* dock = new QDockWidget(title, main_window); | |
172 | dock->setObjectName(title); | |
173 | main_window->addDockWidget(Qt::TopDockWidgetArea, dock); | |
174 | ||
175 | // Insert a QMainWindow into the dock widget to allow for a tool bar | |
176 | QMainWindow *dock_main = new QMainWindow(dock); | |
177 | dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
178 | ||
179 | shared_ptr<views::TraceView::View> v = | |
180 | make_shared<views::TraceView::View>(session, dock_main); | |
181 | view_docks_[dock] = v; | |
182 | session.register_view(v); | |
183 | ||
184 | dock_main->setCentralWidget(v.get()); | |
185 | dock->setWidget(dock_main); | |
186 | ||
187 | dock->setFeatures(QDockWidget::DockWidgetMovable | | |
188 | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); | |
189 | ||
190 | QAbstractButton *close_btn = | |
191 | dock->findChildren<QAbstractButton*> | |
192 | ("qt_dockwidget_closebutton").front(); | |
193 | ||
194 | connect(close_btn, SIGNAL(clicked(bool)), | |
195 | this, SLOT(on_view_close_clicked())); | |
196 | ||
197 | if (type == views::ViewTypeTrace) { | |
198 | connect(&session, SIGNAL(trigger_event(util::Timestamp)), | |
199 | qobject_cast<views::ViewBase*>(v.get()), | |
200 | SLOT(trigger_event(util::Timestamp))); | |
201 | ||
202 | v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
203 | v->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
204 | ||
205 | shared_ptr<MainBar> main_bar = session.main_bar(); | |
206 | if (!main_bar) { | |
207 | /* Initial view, create the main bar */ | |
208 | main_bar = make_shared<MainBar>(session, this, v.get()); | |
209 | dock_main->addToolBar(main_bar.get()); | |
210 | session.set_main_bar(main_bar); | |
211 | ||
212 | connect(main_bar.get(), SIGNAL(new_view(Session*)), | |
213 | this, SLOT(on_new_view(Session*))); | |
214 | ||
215 | main_bar->action_view_show_cursors()->setChecked(v->cursors_shown()); | |
216 | ||
217 | /* For the main view we need to prevent the dock widget from | |
218 | * closing itself when its close button is clicked. This is | |
219 | * so we can confirm with the user first. Regular views don't | |
220 | * need this */ | |
221 | close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); | |
222 | } else { | |
223 | /* Additional view, create a standard bar */ | |
224 | pv::views::trace::StandardBar *standard_bar = | |
225 | new pv::views::trace::StandardBar(session, this, v.get()); | |
226 | dock_main->addToolBar(standard_bar); | |
227 | ||
228 | standard_bar->action_view_show_cursors()->setChecked(v->cursors_shown()); | |
229 | } | |
230 | } | |
231 | ||
232 | return v; | |
233 | } | |
234 | ||
235 | return nullptr; | |
236 | } | |
237 | ||
238 | void MainWindow::remove_view(shared_ptr<views::ViewBase> view) | |
239 | { | |
240 | for (shared_ptr<Session> session : sessions_) { | |
241 | if (!session->has_view(view)) | |
242 | continue; | |
243 | ||
244 | // Find the dock the view is contained in and remove it | |
245 | for (auto entry : view_docks_) | |
246 | if (entry.second == view) { | |
247 | // Remove the view from the session | |
248 | session->deregister_view(view); | |
249 | ||
250 | // Remove the view from its parent; otherwise, Qt will | |
251 | // call deleteLater() on it, which causes a double free | |
252 | // since the shared_ptr in view_docks_ doesn't know | |
253 | // that Qt keeps a pointer to the view around | |
254 | view->setParent(0); | |
255 | ||
256 | // Delete the view's dock widget and all widgets inside it | |
257 | entry.first->deleteLater(); | |
258 | ||
259 | // Remove the dock widget from the list and stop iterating | |
260 | view_docks_.erase(entry.first); | |
261 | break; | |
262 | } | |
263 | } | |
264 | } | |
265 | ||
266 | shared_ptr<Session> MainWindow::add_session() | |
267 | { | |
268 | static int last_session_id = 1; | |
269 | QString name = tr("Untitled-%1").arg(last_session_id++); | |
270 | ||
271 | shared_ptr<Session> session = make_shared<Session>(device_manager_, name); | |
272 | ||
273 | connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), | |
274 | this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); | |
275 | connect(session.get(), SIGNAL(name_changed()), | |
276 | this, SLOT(on_session_name_changed())); | |
277 | session_state_mapper_.setMapping(session.get(), session.get()); | |
278 | connect(session.get(), SIGNAL(capture_state_changed(int)), | |
279 | &session_state_mapper_, SLOT(map())); | |
280 | ||
281 | sessions_.push_back(session); | |
282 | ||
283 | QMainWindow *window = new QMainWindow(); | |
284 | window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag | |
285 | session_windows_[session] = window; | |
286 | ||
287 | int index = session_selector_.addTab(window, name); | |
288 | session_selector_.setCurrentIndex(index); | |
289 | last_focused_session_ = session; | |
290 | ||
291 | window->setDockNestingEnabled(true); | |
292 | ||
293 | shared_ptr<views::ViewBase> main_view = | |
294 | add_view(name, views::ViewTypeTrace, *session); | |
295 | ||
296 | return session; | |
297 | } | |
298 | ||
299 | void MainWindow::remove_session(shared_ptr<Session> session) | |
300 | { | |
301 | int h = new_session_button_->height(); | |
302 | ||
303 | for (shared_ptr<views::ViewBase> view : session->views()) | |
304 | remove_view(view); | |
305 | ||
306 | QMainWindow *window = session_windows_.at(session); | |
307 | session_selector_.removeTab(session_selector_.indexOf(window)); | |
308 | ||
309 | session_windows_.erase(session); | |
310 | ||
311 | if (last_focused_session_ == session) | |
312 | last_focused_session_.reset(); | |
313 | ||
314 | sessions_.remove_if([&](shared_ptr<Session> s) { | |
315 | return s == session; }); | |
316 | ||
317 | if (sessions_.empty()) { | |
318 | // When there are no more tabs, the height of the QTabWidget | |
319 | // drops to zero. We must prevent this to keep the static | |
320 | // widgets visible | |
321 | for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) | |
322 | w->setMinimumHeight(h); | |
323 | ||
324 | int margin = static_tab_widget_->layout()->contentsMargins().bottom(); | |
325 | static_tab_widget_->setMinimumHeight(h + 2 * margin); | |
326 | session_selector_.setMinimumHeight(h + 2 * margin); | |
327 | ||
328 | // Update the window title if there is no view left to | |
329 | // generate focus change events | |
330 | setWindowTitle(WindowTitle); | |
331 | } | |
332 | } | |
333 | ||
334 | void MainWindow::setup_ui() | |
335 | { | |
336 | setObjectName(QString::fromUtf8("MainWindow")); | |
337 | ||
338 | setCentralWidget(&session_selector_); | |
339 | ||
340 | // Set the window icon | |
341 | QIcon icon; | |
342 | icon.addFile(QString(":/icons/sigrok-logo-notext.png")); | |
343 | setWindowIcon(icon); | |
344 | ||
345 | action_view_sticky_scrolling_->setCheckable(true); | |
346 | action_view_sticky_scrolling_->setChecked(true); | |
347 | action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S)); | |
348 | action_view_sticky_scrolling_->setObjectName( | |
349 | QString::fromUtf8("actionViewStickyScrolling")); | |
350 | action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling")); | |
351 | ||
352 | action_view_coloured_bg_->setCheckable(true); | |
353 | action_view_coloured_bg_->setChecked(true); | |
354 | action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B)); | |
355 | action_view_coloured_bg_->setObjectName( | |
356 | QString::fromUtf8("actionViewColouredBg")); | |
357 | action_view_coloured_bg_->setText(tr("Use &Coloured Backgrounds")); | |
358 | ||
359 | action_about_->setObjectName(QString::fromUtf8("actionAbout")); | |
360 | action_about_->setToolTip(tr("&About...")); | |
361 | ||
362 | // Set up the tab area | |
363 | new_session_button_ = new QToolButton(); | |
364 | new_session_button_->setIcon(QIcon::fromTheme("document-new", | |
365 | QIcon(":/icons/document-new.png"))); | |
366 | new_session_button_->setToolTip(tr("Create New Session")); | |
367 | new_session_button_->setAutoRaise(true); | |
368 | ||
369 | run_stop_button_ = new QToolButton(); | |
370 | run_stop_button_->setAutoRaise(true); | |
371 | run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
372 | run_stop_button_->setShortcut(QKeySequence(Qt::Key_Space)); | |
373 | run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); | |
374 | ||
375 | settings_button_ = new QToolButton(); | |
376 | settings_button_->setIcon(QIcon::fromTheme("configure", | |
377 | QIcon(":/icons/configure.png"))); | |
378 | settings_button_->setToolTip(tr("Settings")); | |
379 | settings_button_->setAutoRaise(true); | |
380 | ||
381 | QFrame *separator1 = new QFrame(); | |
382 | separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
383 | QFrame *separator2 = new QFrame(); | |
384 | separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); | |
385 | ||
386 | QHBoxLayout* layout = new QHBoxLayout(); | |
387 | layout->setContentsMargins(2, 2, 2, 2); | |
388 | layout->addWidget(new_session_button_); | |
389 | layout->addWidget(separator1); | |
390 | layout->addWidget(run_stop_button_); | |
391 | layout->addWidget(separator2); | |
392 | layout->addWidget(settings_button_); | |
393 | ||
394 | static_tab_widget_ = new QWidget(); | |
395 | static_tab_widget_->setLayout(layout); | |
396 | ||
397 | session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); | |
398 | session_selector_.setTabsClosable(true); | |
399 | ||
400 | connect(new_session_button_, SIGNAL(clicked(bool)), | |
401 | this, SLOT(on_new_session_clicked())); | |
402 | connect(run_stop_button_, SIGNAL(clicked(bool)), | |
403 | this, SLOT(on_run_stop_clicked())); | |
404 | connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), | |
405 | this, SLOT(on_capture_state_changed(QObject*))); | |
406 | ||
407 | connect(&session_selector_, SIGNAL(tabCloseRequested(int)), | |
408 | this, SLOT(on_tab_close_requested(int))); | |
409 | connect(&session_selector_, SIGNAL(currentChanged(int)), | |
410 | this, SLOT(on_tab_changed(int))); | |
411 | ||
412 | ||
413 | connect(static_cast<QApplication *>(QCoreApplication::instance()), | |
414 | SIGNAL(focusChanged(QWidget*, QWidget*)), | |
415 | this, SLOT(on_focus_changed())); | |
416 | } | |
417 | ||
418 | void MainWindow::save_ui_settings() | |
419 | { | |
420 | QSettings settings; | |
421 | int id = 0; | |
422 | ||
423 | settings.beginGroup("MainWindow"); | |
424 | settings.setValue("state", saveState()); | |
425 | settings.setValue("geometry", saveGeometry()); | |
426 | settings.endGroup(); | |
427 | ||
428 | for (shared_ptr<Session> session : sessions_) { | |
429 | // Ignore sessions using the demo device or no device at all | |
430 | if (session->device()) { | |
431 | shared_ptr<devices::HardwareDevice> device = | |
432 | dynamic_pointer_cast< devices::HardwareDevice > | |
433 | (session->device()); | |
434 | ||
435 | if (device && | |
436 | device->hardware_device()->driver()->name() == "demo") | |
437 | continue; | |
438 | ||
439 | settings.beginGroup("Session" + QString::number(id++)); | |
440 | settings.remove(""); // Remove all keys in this group | |
441 | session->save_settings(settings); | |
442 | settings.endGroup(); | |
443 | } | |
444 | } | |
445 | ||
446 | settings.setValue("sessions", id); | |
447 | } | |
448 | ||
449 | void MainWindow::restore_ui_settings() | |
450 | { | |
451 | QSettings settings; | |
452 | int i, session_count; | |
453 | ||
454 | settings.beginGroup("MainWindow"); | |
455 | ||
456 | if (settings.contains("geometry")) { | |
457 | restoreGeometry(settings.value("geometry").toByteArray()); | |
458 | restoreState(settings.value("state").toByteArray()); | |
459 | } else | |
460 | resize(1000, 720); | |
461 | ||
462 | settings.endGroup(); | |
463 | ||
464 | session_count = settings.value("sessions", 0).toInt(); | |
465 | ||
466 | for (i = 0; i < session_count; i++) { | |
467 | settings.beginGroup("Session" + QString::number(i)); | |
468 | shared_ptr<Session> session = add_session(); | |
469 | session->restore_settings(settings); | |
470 | settings.endGroup(); | |
471 | } | |
472 | } | |
473 | ||
474 | std::shared_ptr<Session> MainWindow::get_tab_session(int index) const | |
475 | { | |
476 | // Find the session that belongs to the tab's main window | |
477 | for (auto entry : session_windows_) | |
478 | if (entry.second == session_selector_.widget(index)) | |
479 | return entry.first; | |
480 | ||
481 | return nullptr; | |
482 | } | |
483 | ||
484 | void MainWindow::closeEvent(QCloseEvent *event) | |
485 | { | |
486 | bool data_saved = true; | |
487 | ||
488 | for (auto entry : session_windows_) | |
489 | if (!entry.first->data_saved()) | |
490 | data_saved = false; | |
491 | ||
492 | if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), | |
493 | tr("There is unsaved data. Close anyway?"), | |
494 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { | |
495 | event->ignore(); | |
496 | } else { | |
497 | save_ui_settings(); | |
498 | event->accept(); | |
499 | } | |
500 | } | |
501 | ||
502 | QMenu* MainWindow::createPopupMenu() | |
503 | { | |
504 | return nullptr; | |
505 | } | |
506 | ||
507 | bool MainWindow::restoreState(const QByteArray &state, int version) | |
508 | { | |
509 | (void)state; | |
510 | (void)version; | |
511 | ||
512 | // Do nothing. We don't want Qt to handle this, or else it | |
513 | // will try to restore all the dock widgets and create havoc. | |
514 | ||
515 | return false; | |
516 | } | |
517 | ||
518 | void MainWindow::session_error(const QString text, const QString info_text) | |
519 | { | |
520 | QMetaObject::invokeMethod(this, "show_session_error", | |
521 | Qt::QueuedConnection, Q_ARG(QString, text), | |
522 | Q_ARG(QString, info_text)); | |
523 | } | |
524 | ||
525 | void MainWindow::show_session_error(const QString text, const QString info_text) | |
526 | { | |
527 | QMessageBox msg(this); | |
528 | msg.setText(text); | |
529 | msg.setInformativeText(info_text); | |
530 | msg.setStandardButtons(QMessageBox::Ok); | |
531 | msg.setIcon(QMessageBox::Warning); | |
532 | msg.exec(); | |
533 | } | |
534 | ||
535 | void MainWindow::on_add_view(const QString &title, views::ViewType type, | |
536 | Session *session) | |
537 | { | |
538 | // We get a pointer and need a reference | |
539 | for (std::shared_ptr<Session> s : sessions_) | |
540 | if (s.get() == session) | |
541 | add_view(title, type, *s); | |
542 | } | |
543 | ||
544 | void MainWindow::on_focus_changed() | |
545 | { | |
546 | shared_ptr<views::ViewBase> view = get_active_view(); | |
547 | ||
548 | if (view) { | |
549 | for (shared_ptr<Session> session : sessions_) { | |
550 | if (session->has_view(view)) { | |
551 | if (session != last_focused_session_) { | |
552 | // Activate correct tab if necessary | |
553 | shared_ptr<Session> tab_session = get_tab_session( | |
554 | session_selector_.currentIndex()); | |
555 | if (tab_session != session) | |
556 | session_selector_.setCurrentWidget( | |
557 | session_windows_.at(session)); | |
558 | ||
559 | on_focused_session_changed(session); | |
560 | } | |
561 | ||
562 | break; | |
563 | } | |
564 | } | |
565 | } | |
566 | ||
567 | if (sessions_.empty()) | |
568 | setWindowTitle(WindowTitle); | |
569 | } | |
570 | ||
571 | void MainWindow::on_focused_session_changed(shared_ptr<Session> session) | |
572 | { | |
573 | last_focused_session_ = session; | |
574 | ||
575 | setWindowTitle(session->name() + " - " + WindowTitle); | |
576 | ||
577 | // Update the state of the run/stop button, too | |
578 | on_capture_state_changed(session.get()); | |
579 | } | |
580 | ||
581 | void MainWindow::on_new_session_clicked() | |
582 | { | |
583 | add_session(); | |
584 | } | |
585 | ||
586 | void MainWindow::on_run_stop_clicked() | |
587 | { | |
588 | shared_ptr<Session> session = last_focused_session_; | |
589 | ||
590 | if (!session) | |
591 | return; | |
592 | ||
593 | switch (session->get_capture_state()) { | |
594 | case Session::Stopped: | |
595 | session->start_capture([&](QString message) { | |
596 | session_error("Capture failed", message); }); | |
597 | break; | |
598 | case Session::AwaitingTrigger: | |
599 | case Session::Running: | |
600 | session->stop_capture(); | |
601 | break; | |
602 | } | |
603 | } | |
604 | ||
605 | void MainWindow::on_session_name_changed() | |
606 | { | |
607 | // Update the corresponding dock widget's name(s) | |
608 | Session *session = qobject_cast<Session*>(QObject::sender()); | |
609 | assert(session); | |
610 | ||
611 | for (shared_ptr<views::ViewBase> view : session->views()) { | |
612 | // Get the dock that contains the view | |
613 | for (auto entry : view_docks_) | |
614 | if (entry.second == view) { | |
615 | entry.first->setObjectName(session->name()); | |
616 | entry.first->setWindowTitle(session->name()); | |
617 | } | |
618 | } | |
619 | ||
620 | // Update the tab widget by finding the main window and the tab from that | |
621 | for (auto entry : session_windows_) | |
622 | if (entry.first.get() == session) { | |
623 | QMainWindow *window = entry.second; | |
624 | const int index = session_selector_.indexOf(window); | |
625 | session_selector_.setTabText(index, session->name()); | |
626 | } | |
627 | ||
628 | // Refresh window title if the affected session has focus | |
629 | if (session == last_focused_session_.get()) | |
630 | setWindowTitle(session->name() + " - " + WindowTitle); | |
631 | } | |
632 | ||
633 | void MainWindow::on_capture_state_changed(QObject *obj) | |
634 | { | |
635 | Session *caller = qobject_cast<Session*>(obj); | |
636 | ||
637 | // Ignore if caller is not the currently focused session | |
638 | // unless there is only one session | |
639 | if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) | |
640 | return; | |
641 | ||
642 | int state = caller->get_capture_state(); | |
643 | ||
644 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
645 | run_stop_button_->setIcon(*icons[state]); | |
646 | run_stop_button_->setText((state == pv::Session::Stopped) ? | |
647 | tr("Run") : tr("Stop")); | |
648 | } | |
649 | ||
650 | void MainWindow::on_new_view(Session *session) | |
651 | { | |
652 | // We get a pointer and need a reference | |
653 | for (std::shared_ptr<Session> s : sessions_) | |
654 | if (s.get() == session) | |
655 | add_view(session->name(), views::ViewTypeTrace, *s); | |
656 | } | |
657 | ||
658 | void MainWindow::on_view_close_clicked() | |
659 | { | |
660 | // Find the dock widget that contains the close button that was clicked | |
661 | QObject *w = QObject::sender(); | |
662 | QDockWidget *dock = 0; | |
663 | ||
664 | while (w) { | |
665 | dock = qobject_cast<QDockWidget*>(w); | |
666 | if (dock) | |
667 | break; | |
668 | w = w->parent(); | |
669 | } | |
670 | ||
671 | // Get the view contained in the dock widget | |
672 | shared_ptr<views::ViewBase> view; | |
673 | ||
674 | for (auto entry : view_docks_) | |
675 | if (entry.first == dock) | |
676 | view = entry.second; | |
677 | ||
678 | // Deregister the view | |
679 | for (shared_ptr<Session> session : sessions_) { | |
680 | if (!session->has_view(view)) | |
681 | continue; | |
682 | ||
683 | // Also destroy the entire session if its main view is closing... | |
684 | if (view == session->main_view()) { | |
685 | // ...but only if data is saved or the user confirms closing | |
686 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
687 | tr("This session contains unsaved data. Close it anyway?"), | |
688 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
689 | remove_session(session); | |
690 | break; | |
691 | } else | |
692 | // All other views can be closed at any time as no data will be lost | |
693 | remove_view(view); | |
694 | } | |
695 | } | |
696 | ||
697 | void MainWindow::on_tab_changed(int index) | |
698 | { | |
699 | shared_ptr<Session> session = get_tab_session(index); | |
700 | ||
701 | if (session) | |
702 | on_focused_session_changed(session); | |
703 | } | |
704 | ||
705 | void MainWindow::on_tab_close_requested(int index) | |
706 | { | |
707 | shared_ptr<Session> session = get_tab_session(index); | |
708 | ||
709 | assert(session); | |
710 | ||
711 | if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), | |
712 | tr("This session contains unsaved data. Close it anyway?"), | |
713 | QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) | |
714 | remove_session(session); | |
715 | } | |
716 | ||
717 | void MainWindow::on_actionViewStickyScrolling_triggered() | |
718 | { | |
719 | shared_ptr<views::ViewBase> viewbase = get_active_view(); | |
720 | views::TraceView::View* view = | |
721 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
722 | if (view) | |
723 | view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked()); | |
724 | } | |
725 | ||
726 | void MainWindow::on_actionViewColouredBg_triggered() | |
727 | { | |
728 | shared_ptr<views::ViewBase> viewbase = get_active_view(); | |
729 | views::TraceView::View* view = | |
730 | qobject_cast<views::TraceView::View*>(viewbase.get()); | |
731 | if (view) | |
732 | view->enable_coloured_bg(action_view_coloured_bg_->isChecked()); | |
733 | } | |
734 | ||
735 | void MainWindow::on_actionAbout_triggered() | |
736 | { | |
737 | dialogs::About dlg(device_manager_.context(), this); | |
738 | dlg.exec(); | |
739 | } | |
740 | ||
741 | } // namespace pv |