2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
21 #include <libsigrokdecode/libsigrokdecode.h>
31 #include <QApplication>
32 #include <QCloseEvent>
34 #include <QDockWidget>
35 #include <QHBoxLayout>
36 #include <QMessageBox>
41 #include "mainwindow.hpp"
43 #include "application.hpp"
44 #include "devicemanager.hpp"
45 #include "devices/hardwaredevice.hpp"
46 #include "dialogs/settings.hpp"
47 #include "globalsettings.hpp"
48 #include "toolbars/mainbar.hpp"
50 #include "views/trace/view.hpp"
51 #include "views/trace/standardbar.hpp"
54 #include "subwindows/decoder_selector/subwindow.hpp"
55 #include "views/decoder_binary/view.hpp"
56 #include "views/tabular_decoder/view.hpp"
59 #include <libsigrokcxx/libsigrokcxx.hpp>
61 using std::dynamic_pointer_cast;
62 using std::make_shared;
63 using std::shared_ptr;
68 using toolbars::MainBar;
70 const QString MainWindow::WindowTitle = tr("PulseView");
72 MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
74 device_manager_(device_manager),
75 session_selector_(this),
76 icon_red_(":/icons/status-red.svg"),
77 icon_green_(":/icons/status-green.svg"),
78 icon_grey_(":/icons/status-grey.svg")
81 restore_ui_settings();
84 MainWindow::~MainWindow()
86 // Make sure we no longer hold any shared pointers to widgets after the
87 // destructor finishes (goes for sessions and sub windows alike)
89 while (!sessions_.empty())
90 remove_session(sessions_.front());
95 void MainWindow::show_session_error(const QString text, const QString info_text)
97 // TODO Emulate noquote()
98 qDebug() << "Notifying user of session error: " << text << "; " << info_text;
101 msg.setText(text + "\n\n" + info_text);
102 msg.setStandardButtons(QMessageBox::Ok);
103 msg.setIcon(QMessageBox::Warning);
107 shared_ptr<views::ViewBase> MainWindow::get_active_view() const
109 // If there's only one view, use it...
110 if (view_docks_.size() == 1)
111 return view_docks_.begin()->second;
113 // ...otherwise find the dock widget the widget with focus is contained in
114 QObject *w = QApplication::focusWidget();
115 QDockWidget *dock = nullptr;
118 dock = qobject_cast<QDockWidget*>(w);
124 // Get the view contained in the dock widget
125 for (auto& entry : view_docks_)
126 if (entry.first == dock)
132 shared_ptr<views::ViewBase> MainWindow::add_view(views::ViewType type,
135 GlobalSettings settings;
136 shared_ptr<views::ViewBase> v;
138 QMainWindow *main_window = nullptr;
139 for (auto& entry : session_windows_)
140 if (entry.first.get() == &session)
141 main_window = entry.second;
145 shared_ptr<MainBar> main_bar = session.main_bar();
147 // Only use the view type in the name if it's not the main view
150 title = QString("%1 (%2)").arg(session.name(), views::ViewTypeNames[type]);
152 title = session.name();
154 QDockWidget* dock = new QDockWidget(title, main_window);
155 dock->setObjectName(title);
156 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
158 // Insert a QMainWindow into the dock widget to allow for a tool bar
159 QMainWindow *dock_main = new QMainWindow(dock);
160 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
162 if (type == views::ViewTypeTrace)
163 // This view will be the main view if there's no main bar yet
164 v = make_shared<views::trace::View>(session, (main_bar ? false : true), dock_main);
166 if (type == views::ViewTypeDecoderBinary)
167 v = make_shared<views::decoder_binary::View>(session, false, dock_main);
168 if (type == views::ViewTypeTabularDecoder)
169 v = make_shared<views::tabular_decoder::View>(session, false, dock_main);
175 view_docks_[dock] = v;
176 session.register_view(v);
178 dock_main->setCentralWidget(v.get());
179 dock->setWidget(dock_main);
181 dock->setContextMenuPolicy(Qt::PreventContextMenu);
182 dock->setFeatures(QDockWidget::DockWidgetMovable |
183 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
185 QAbstractButton *close_btn =
186 dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary
189 connect(close_btn, SIGNAL(clicked(bool)),
190 this, SLOT(on_view_close_clicked()));
192 connect(&session, SIGNAL(trigger_event(int, util::Timestamp)),
193 qobject_cast<views::ViewBase*>(v.get()),
194 SLOT(trigger_event(int, util::Timestamp)));
196 if (type == views::ViewTypeTrace) {
197 views::trace::View *tv =
198 qobject_cast<views::trace::View*>(v.get());
201 /* Initial view, create the main bar */
202 main_bar = make_shared<MainBar>(session, this, tv);
203 dock_main->addToolBar(main_bar.get());
204 session.set_main_bar(main_bar);
206 connect(main_bar.get(), SIGNAL(new_view(Session*, int)),
207 this, SLOT(on_new_view(Session*, int)));
208 connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)),
209 this, SLOT(on_show_decoder_selector(Session*)));
211 main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
213 /* For the main view we need to prevent the dock widget from
214 * closing itself when its close button is clicked. This is
215 * so we can confirm with the user first. Regular views don't
217 close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close()));
219 /* Additional view, create a standard bar */
220 pv::views::trace::StandardBar *standard_bar =
221 new pv::views::trace::StandardBar(session, this, tv);
222 dock_main->addToolBar(standard_bar);
224 standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
233 void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
235 for (shared_ptr<Session> session : sessions_) {
236 if (!session->has_view(view))
239 // Find the dock the view is contained in and remove it
240 for (auto& entry : view_docks_)
241 if (entry.second == view) {
242 // Remove the view from the session
243 session->deregister_view(view);
245 // Remove the view from its parent; otherwise, Qt will
246 // call deleteLater() on it, which causes a double free
247 // since the shared_ptr in view_docks_ doesn't know
248 // that Qt keeps a pointer to the view around
249 view->setParent(nullptr);
251 // Delete the view's dock widget and all widgets inside it
252 entry.first->deleteLater();
254 // Remove the dock widget from the list and stop iterating
255 view_docks_.erase(entry.first);
261 shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow(
262 subwindows::SubWindowType type, Session &session)
264 GlobalSettings settings;
265 shared_ptr<subwindows::SubWindowBase> w;
267 QMainWindow *main_window = nullptr;
268 for (auto& entry : session_windows_)
269 if (entry.first.get() == &session)
270 main_window = entry.second;
278 case subwindows::SubWindowTypeDecoderSelector:
279 title = tr("Decoder Selector");
286 QDockWidget* dock = new QDockWidget(title, main_window);
287 dock->setObjectName(title);
288 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
290 // Insert a QMainWindow into the dock widget to allow for a tool bar
291 QMainWindow *dock_main = new QMainWindow(dock);
292 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
295 if (type == subwindows::SubWindowTypeDecoderSelector)
296 w = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main);
302 sub_windows_[dock] = w;
303 dock_main->setCentralWidget(w.get());
304 dock->setWidget(dock_main);
306 dock->setContextMenuPolicy(Qt::PreventContextMenu);
307 dock->setFeatures(QDockWidget::DockWidgetMovable |
308 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
310 QAbstractButton *close_btn =
311 dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary
312 ("qt_dockwidget_closebutton").front();
314 // Allow all subwindows to be closed via ESC.
315 close_btn->setShortcut(QKeySequence(Qt::Key_Escape));
317 connect(close_btn, SIGNAL(clicked(bool)),
318 this, SLOT(on_sub_window_close_clicked()));
320 if (w->has_toolbar())
321 dock_main->addToolBar(w->create_toolbar(dock_main));
323 if (w->minimum_width() > 0)
324 dock->setMinimumSize(w->minimum_width(), 0);
329 shared_ptr<Session> MainWindow::add_session()
331 static int last_session_id = 1;
332 QString name = tr("Session %1").arg(last_session_id++);
334 shared_ptr<Session> session = make_shared<Session>(device_manager_, name);
336 connect(session.get(), SIGNAL(add_view(ViewType, Session*)),
337 this, SLOT(on_add_view(ViewType, Session*)));
338 connect(session.get(), SIGNAL(name_changed()),
339 this, SLOT(on_session_name_changed()));
340 connect(session.get(), SIGNAL(device_changed()),
341 this, SLOT(on_session_device_changed()));
342 connect(session.get(), SIGNAL(capture_state_changed(int)),
343 this, SLOT(on_session_capture_state_changed(int)));
345 sessions_.push_back(session);
347 QMainWindow *window = new QMainWindow();
348 window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
349 session_windows_[session] = window;
351 int index = session_selector_.addTab(window, name);
352 session_selector_.setCurrentIndex(index);
353 last_focused_session_ = session;
355 window->setDockNestingEnabled(true);
357 add_view(views::ViewTypeTrace, *session);
362 void MainWindow::remove_session(shared_ptr<Session> session)
364 // Determine the height of the button before it collapses
365 int h = new_session_button_->height();
367 // Stop capture while the session still exists so that the UI can be
368 // updated in case we're currently running. If so, this will schedule a
369 // call to our on_capture_state_changed() slot for the next run of the
370 // event loop. We need to have this executed immediately or else it will
371 // be dismissed since the session object will be deleted by the time we
372 // leave this method and the event loop gets a chance to run again.
373 session->stop_capture();
374 QApplication::processEvents();
376 for (const shared_ptr<views::ViewBase>& view : session->views())
379 QMainWindow *window = session_windows_.at(session);
380 session_selector_.removeTab(session_selector_.indexOf(window));
382 session_windows_.erase(session);
384 if (last_focused_session_ == session)
385 last_focused_session_.reset();
387 // Remove the session from our list of sessions (which also destroys it)
388 sessions_.remove_if([&](shared_ptr<Session> s) {
389 return s == session; });
391 if (sessions_.empty()) {
392 // When there are no more tabs, the height of the QTabWidget
393 // drops to zero. We must prevent this to keep the static
395 for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop
396 w->setMinimumHeight(h);
398 int margin = static_tab_widget_->layout()->contentsMargins().bottom();
399 static_tab_widget_->setMinimumHeight(h + 2 * margin);
400 session_selector_.setMinimumHeight(h + 2 * margin);
402 // Update the window title if there is no view left to
403 // generate focus change events
404 setWindowTitle(WindowTitle);
408 void MainWindow::add_session_with_file(string open_file_name,
409 string open_file_format, string open_setup_file_name)
411 shared_ptr<Session> session = add_session();
412 session->load_init_file(open_file_name, open_file_format, open_setup_file_name);
415 void MainWindow::add_default_session()
417 // Only add the default session if there would be no session otherwise
418 if (sessions_.size() > 0)
421 shared_ptr<Session> session = add_session();
423 // Check the list of available devices. Prefer the one that was
424 // found with user supplied scan specs (if applicable). Then try
425 // one of the auto detected devices that are not the demo device.
426 // Pick demo in the absence of "genuine" hardware devices.
427 shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device;
428 for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) {
429 if (dev == device_manager_.user_spec_device()) {
431 } else if (dev->hardware_device()->driver()->name() == "demo") {
438 session->select_device(user_device);
439 else if (other_device)
440 session->select_device(other_device);
442 session->select_device(demo_device);
445 void MainWindow::save_sessions()
450 for (shared_ptr<Session>& session : sessions_) {
451 // Ignore sessions using the demo device or no device at all
452 if (session->device()) {
453 shared_ptr<devices::HardwareDevice> device =
454 dynamic_pointer_cast< devices::HardwareDevice >
458 device->hardware_device()->driver()->name() == "demo")
461 settings.beginGroup("Session" + QString::number(id++));
462 settings.remove(""); // Remove all keys in this group
463 session->save_settings(settings);
468 settings.setValue("sessions", id);
471 void MainWindow::restore_sessions()
474 int i, session_count;
476 session_count = settings.value("sessions", 0).toInt();
478 for (i = 0; i < session_count; i++) {
479 settings.beginGroup("Session" + QString::number(i));
480 shared_ptr<Session> session = add_session();
481 session->restore_settings(settings);
486 void MainWindow::setup_ui()
488 setObjectName(QString::fromUtf8("MainWindow"));
490 setCentralWidget(&session_selector_);
492 // Set the window icon
494 icon.addFile(QString(":/icons/pulseview.png"));
497 // Set up keyboard shortcuts that affect all views at once
498 view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
499 view_sticky_scrolling_shortcut_->setAutoRepeat(false);
501 view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut()));
502 view_show_sampling_points_shortcut_->setAutoRepeat(false);
504 view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut()));
505 view_show_analog_minor_grid_shortcut_->setAutoRepeat(false);
507 view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut()));
508 view_colored_bg_shortcut_->setAutoRepeat(false);
510 // Set up the tab area
511 new_session_button_ = new QToolButton();
512 new_session_button_->setIcon(QIcon::fromTheme("document-new",
513 QIcon(":/icons/document-new.png")));
514 new_session_button_->setToolTip(tr("Create New Session"));
515 new_session_button_->setAutoRaise(true);
517 run_stop_button_ = new QToolButton();
518 run_stop_button_->setAutoRaise(true);
519 run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
520 run_stop_button_->setToolTip(tr("Start/Stop Acquisition"));
522 run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click()));
523 run_stop_shortcut_->setAutoRepeat(false);
525 settings_button_ = new QToolButton();
526 settings_button_->setIcon(QIcon::fromTheme("preferences-system",
527 QIcon(":/icons/preferences-system.png")));
528 settings_button_->setToolTip(tr("Settings"));
529 settings_button_->setAutoRaise(true);
531 QFrame *separator1 = new QFrame();
532 separator1->setFrameStyle(QFrame::VLine | QFrame::Raised);
533 QFrame *separator2 = new QFrame();
534 separator2->setFrameStyle(QFrame::VLine | QFrame::Raised);
536 QHBoxLayout* layout = new QHBoxLayout();
537 layout->setContentsMargins(2, 2, 2, 2);
538 layout->addWidget(new_session_button_);
539 layout->addWidget(separator1);
540 layout->addWidget(run_stop_button_);
541 layout->addWidget(separator2);
542 layout->addWidget(settings_button_);
544 static_tab_widget_ = new QWidget();
545 static_tab_widget_->setLayout(layout);
547 session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner);
548 session_selector_.setTabsClosable(true);
550 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
551 close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_Q), this, SLOT(close()));
552 close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL | Qt::Key_W), this, SLOT(on_close_current_tab()));
554 close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close()));
555 close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab()));
557 close_application_shortcut_->setAutoRepeat(false);
559 connect(new_session_button_, SIGNAL(clicked(bool)),
560 this, SLOT(on_new_session_clicked()));
561 connect(run_stop_button_, SIGNAL(clicked(bool)),
562 this, SLOT(on_run_stop_clicked()));
563 connect(settings_button_, SIGNAL(clicked(bool)),
564 this, SLOT(on_settings_clicked()));
566 connect(&session_selector_, SIGNAL(tabCloseRequested(int)),
567 this, SLOT(on_tab_close_requested(int)));
568 connect(&session_selector_, SIGNAL(currentChanged(int)),
569 this, SLOT(on_tab_changed(int)));
572 connect(static_cast<QApplication *>(QCoreApplication::instance()),
573 SIGNAL(focusChanged(QWidget*, QWidget*)),
574 this, SLOT(on_focus_changed()));
577 void MainWindow::update_acq_button(Session *session)
583 state = session->get_capture_state();
584 run_caption = session->using_file_device() ? tr("Reload") : tr("Run");
586 state = Session::Stopped;
587 run_caption = tr("Run");
590 const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
591 run_stop_button_->setIcon(*icons[state]);
592 run_stop_button_->setText((state == pv::Session::Stopped) ?
593 run_caption : tr("Stop"));
596 void MainWindow::save_ui_settings()
600 settings.beginGroup("MainWindow");
601 settings.setValue("state", saveState());
602 settings.setValue("geometry", saveGeometry());
606 void MainWindow::restore_ui_settings()
610 settings.beginGroup("MainWindow");
612 if (settings.contains("geometry")) {
613 restoreGeometry(settings.value("geometry").toByteArray());
614 restoreState(settings.value("state").toByteArray());
621 shared_ptr<Session> MainWindow::get_tab_session(int index) const
623 // Find the session that belongs to the tab's main window
624 for (auto& entry : session_windows_)
625 if (entry.second == session_selector_.widget(index))
631 void MainWindow::closeEvent(QCloseEvent *event)
633 bool data_saved = true;
635 for (auto& entry : session_windows_)
636 if (!entry.first->data_saved())
639 if (!data_saved && (QMessageBox::question(this, tr("Confirmation"),
640 tr("There is unsaved data. Close anyway?"),
641 QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) {
650 QMenu* MainWindow::createPopupMenu()
655 bool MainWindow::restoreState(const QByteArray &state, int version)
660 // Do nothing. We don't want Qt to handle this, or else it
661 // will try to restore all the dock widgets and create havoc.
666 void MainWindow::on_run_stop_clicked()
668 GlobalSettings settings;
669 bool all_sessions = settings.value(GlobalSettings::Key_General_StartAllSessions).toBool();
673 vector< shared_ptr<Session> > hw_sessions;
675 // Make a list of all sessions where a hardware device is used
676 for (const shared_ptr<Session>& s : sessions_) {
677 shared_ptr<devices::HardwareDevice> hw_device =
678 dynamic_pointer_cast< devices::HardwareDevice >(s->device());
681 hw_sessions.push_back(s);
684 // Stop all acquisitions if there are any running ones, start all otherwise
685 bool any_running = any_of(hw_sessions.begin(), hw_sessions.end(),
686 [](const shared_ptr<Session> &s)
687 { return (s->get_capture_state() == Session::AwaitingTrigger) ||
688 (s->get_capture_state() == Session::Running); });
690 for (shared_ptr<Session> s : hw_sessions)
694 s->start_capture([&](QString message) {
695 show_session_error("Capture failed", message); });
698 shared_ptr<Session> session = last_focused_session_;
703 switch (session->get_capture_state()) {
704 case Session::Stopped:
705 session->start_capture([&](QString message) {
706 show_session_error("Capture failed", message); });
708 case Session::AwaitingTrigger:
709 case Session::Running:
710 session->stop_capture();
716 void MainWindow::on_add_view(views::ViewType type, Session *session)
718 // We get a pointer and need a reference
719 for (shared_ptr<Session>& s : sessions_)
720 if (s.get() == session)
724 void MainWindow::on_focus_changed()
726 shared_ptr<views::ViewBase> view = get_active_view();
729 for (shared_ptr<Session> session : sessions_) {
730 if (session->has_view(view)) {
731 if (session != last_focused_session_) {
732 // Activate correct tab if necessary
733 shared_ptr<Session> tab_session = get_tab_session(
734 session_selector_.currentIndex());
735 if (tab_session != session)
736 session_selector_.setCurrentWidget(
737 session_windows_.at(session));
739 on_focused_session_changed(session);
747 if (sessions_.empty())
748 setWindowTitle(WindowTitle);
751 void MainWindow::on_focused_session_changed(shared_ptr<Session> session)
753 last_focused_session_ = session;
755 setWindowTitle(session->name() + " - " + WindowTitle);
757 // Update the state of the run/stop button, too
758 update_acq_button(session.get());
761 void MainWindow::on_new_session_clicked()
766 void MainWindow::on_settings_clicked()
768 dialogs::Settings dlg(device_manager_);
772 void MainWindow::on_session_name_changed()
774 // Update the corresponding dock widget's name(s)
775 Session *session = qobject_cast<Session*>(QObject::sender());
778 for (const shared_ptr<views::ViewBase>& view : session->views()) {
779 // Get the dock that contains the view
780 for (auto& entry : view_docks_)
781 if (entry.second == view) {
782 entry.first->setObjectName(session->name());
783 entry.first->setWindowTitle(session->name());
787 // Update the tab widget by finding the main window and the tab from that
788 for (auto& entry : session_windows_)
789 if (entry.first.get() == session) {
790 QMainWindow *window = entry.second;
791 const int index = session_selector_.indexOf(window);
792 session_selector_.setTabText(index, session->name());
795 // Refresh window title if the affected session has focus
796 if (session == last_focused_session_.get())
797 setWindowTitle(session->name() + " - " + WindowTitle);
800 void MainWindow::on_session_device_changed()
802 Session *session = qobject_cast<Session*>(QObject::sender());
805 // Ignore if caller is not the currently focused session
806 // unless there is only one session
807 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
810 update_acq_button(session);
813 void MainWindow::on_session_capture_state_changed(int state)
817 Session *session = qobject_cast<Session*>(QObject::sender());
820 // Ignore if caller is not the currently focused session
821 // unless there is only one session
822 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
825 update_acq_button(session);
828 void MainWindow::on_new_view(Session *session, int view_type)
830 // We get a pointer and need a reference
831 for (shared_ptr<Session>& s : sessions_)
832 if (s.get() == session)
833 add_view((views::ViewType)view_type, *s);
836 void MainWindow::on_view_close_clicked()
838 // Find the dock widget that contains the close button that was clicked
839 QObject *w = QObject::sender();
840 QDockWidget *dock = nullptr;
843 dock = qobject_cast<QDockWidget*>(w);
849 // Get the view contained in the dock widget
850 shared_ptr<views::ViewBase> view;
852 for (auto& entry : view_docks_)
853 if (entry.first == dock)
856 // Deregister the view
857 for (shared_ptr<Session> session : sessions_) {
858 if (!session->has_view(view))
861 // Also destroy the entire session if its main view is closing...
862 if (view == session->main_view()) {
863 // ...but only if data is saved or the user confirms closing
864 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
865 tr("This session contains unsaved data. Close it anyway?"),
866 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
867 remove_session(session);
870 // All other views can be closed at any time as no data will be lost
875 void MainWindow::on_tab_changed(int index)
877 shared_ptr<Session> session = get_tab_session(index);
880 on_focused_session_changed(session);
883 void MainWindow::on_tab_close_requested(int index)
885 shared_ptr<Session> session = get_tab_session(index);
890 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
891 tr("This session contains unsaved data. Close it anyway?"),
892 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
893 remove_session(session);
895 if (sessions_.empty())
896 update_acq_button(nullptr);
899 void MainWindow::on_show_decoder_selector(Session *session)
902 // Close dock widget if it's already showing and return
903 for (auto& entry : sub_windows_) {
904 QDockWidget* dock = entry.first;
905 shared_ptr<subwindows::SubWindowBase> decoder_selector =
906 dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second);
908 if (decoder_selector && (&decoder_selector->session() == session)) {
909 sub_windows_.erase(dock);
915 // We get a pointer and need a reference
916 for (shared_ptr<Session>& s : sessions_)
917 if (s.get() == session)
918 add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s);
924 void MainWindow::on_sub_window_close_clicked()
926 // Find the dock widget that contains the close button that was clicked
927 QObject *w = QObject::sender();
928 QDockWidget *dock = nullptr;
931 dock = qobject_cast<QDockWidget*>(w);
937 sub_windows_.erase(dock);
940 // Restore focus to the last used main view
941 if (last_focused_session_)
942 last_focused_session_->main_view()->setFocus();
945 void MainWindow::on_view_colored_bg_shortcut()
947 GlobalSettings settings;
949 bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
950 settings.setValue(GlobalSettings::Key_View_ColoredBG, !state);
953 void MainWindow::on_view_sticky_scrolling_shortcut()
955 GlobalSettings settings;
957 bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
958 settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
961 void MainWindow::on_view_show_sampling_points_shortcut()
963 GlobalSettings settings;
965 bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
966 settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state);
969 void MainWindow::on_view_show_analog_minor_grid_shortcut()
971 GlobalSettings settings;
973 bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
974 settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
977 void MainWindow::on_close_current_tab()
979 int tab = session_selector_.currentIndex();
981 on_tab_close_requested(tab);