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_output/view.hpp"
58 #include <libsigrokcxx/libsigrokcxx.hpp>
60 using std::dynamic_pointer_cast;
61 using std::make_shared;
62 using std::shared_ptr;
67 using toolbars::MainBar;
69 const QString MainWindow::WindowTitle = tr("PulseView");
71 MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
73 device_manager_(device_manager),
74 session_selector_(this),
75 icon_red_(":/icons/status-red.svg"),
76 icon_green_(":/icons/status-green.svg"),
77 icon_grey_(":/icons/status-grey.svg")
80 restore_ui_settings();
83 MainWindow::~MainWindow()
85 // Make sure we no longer hold any shared pointers to widgets after the
86 // destructor finishes (goes for sessions and sub windows alike)
88 while (!sessions_.empty())
89 remove_session(sessions_.front());
94 void MainWindow::show_session_error(const QString text, const QString info_text)
96 // TODO Emulate noquote()
97 qDebug() << "Notifying user of session error:" << info_text;
100 msg.setText(text + "\n\n" + info_text);
101 msg.setStandardButtons(QMessageBox::Ok);
102 msg.setIcon(QMessageBox::Warning);
106 shared_ptr<views::ViewBase> MainWindow::get_active_view() const
108 // If there's only one view, use it...
109 if (view_docks_.size() == 1)
110 return view_docks_.begin()->second;
112 // ...otherwise find the dock widget the widget with focus is contained in
113 QObject *w = QApplication::focusWidget();
114 QDockWidget *dock = nullptr;
117 dock = qobject_cast<QDockWidget*>(w);
123 // Get the view contained in the dock widget
124 for (auto& entry : view_docks_)
125 if (entry.first == dock)
131 shared_ptr<views::ViewBase> MainWindow::add_view(views::ViewType type,
134 GlobalSettings settings;
135 shared_ptr<views::ViewBase> v;
137 QMainWindow *main_window = nullptr;
138 for (auto& entry : session_windows_)
139 if (entry.first.get() == &session)
140 main_window = entry.second;
144 shared_ptr<MainBar> main_bar = session.main_bar();
146 // Only use the view type in the name if it's not the main view
149 title = QString("%1 (%2)").arg(session.name(), views::ViewTypeNames[type]);
151 title = session.name();
153 QDockWidget* dock = new QDockWidget(title, main_window);
154 dock->setObjectName(title);
155 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
157 // Insert a QMainWindow into the dock widget to allow for a tool bar
158 QMainWindow *dock_main = new QMainWindow(dock);
159 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
161 if (type == views::ViewTypeTrace)
162 // This view will be the main view if there's no main bar yet
163 v = make_shared<views::trace::View>(session, (main_bar ? false : true), dock_main);
165 if (type == views::ViewTypeDecoderOutput)
166 v = make_shared<views::decoder_output::View>(session, false, dock_main);
172 view_docks_[dock] = v;
173 session.register_view(v);
175 dock_main->setCentralWidget(v.get());
176 dock->setWidget(dock_main);
178 dock->setContextMenuPolicy(Qt::PreventContextMenu);
179 dock->setFeatures(QDockWidget::DockWidgetMovable |
180 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
182 QAbstractButton *close_btn =
183 dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary
186 connect(close_btn, SIGNAL(clicked(bool)),
187 this, SLOT(on_view_close_clicked()));
189 connect(&session, SIGNAL(trigger_event(int, util::Timestamp)),
190 qobject_cast<views::ViewBase*>(v.get()),
191 SLOT(trigger_event(int, util::Timestamp)));
193 if (type == views::ViewTypeTrace) {
194 views::trace::View *tv =
195 qobject_cast<views::trace::View*>(v.get());
198 /* Initial view, create the main bar */
199 main_bar = make_shared<MainBar>(session, this, tv);
200 dock_main->addToolBar(main_bar.get());
201 session.set_main_bar(main_bar);
203 connect(main_bar.get(), SIGNAL(new_view(Session*, int)),
204 this, SLOT(on_new_view(Session*, int)));
205 connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)),
206 this, SLOT(on_show_decoder_selector(Session*)));
208 main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
210 /* For the main view we need to prevent the dock widget from
211 * closing itself when its close button is clicked. This is
212 * so we can confirm with the user first. Regular views don't
214 close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close()));
216 /* Additional view, create a standard bar */
217 pv::views::trace::StandardBar *standard_bar =
218 new pv::views::trace::StandardBar(session, this, tv);
219 dock_main->addToolBar(standard_bar);
221 standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
230 void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
232 for (shared_ptr<Session> session : sessions_) {
233 if (!session->has_view(view))
236 // Find the dock the view is contained in and remove it
237 for (auto& entry : view_docks_)
238 if (entry.second == view) {
239 // Remove the view from the session
240 session->deregister_view(view);
242 // Remove the view from its parent; otherwise, Qt will
243 // call deleteLater() on it, which causes a double free
244 // since the shared_ptr in view_docks_ doesn't know
245 // that Qt keeps a pointer to the view around
246 view->setParent(nullptr);
248 // Delete the view's dock widget and all widgets inside it
249 entry.first->deleteLater();
251 // Remove the dock widget from the list and stop iterating
252 view_docks_.erase(entry.first);
258 shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow(
259 subwindows::SubWindowType type, Session &session)
261 GlobalSettings settings;
262 shared_ptr<subwindows::SubWindowBase> w;
264 QMainWindow *main_window = nullptr;
265 for (auto& entry : session_windows_)
266 if (entry.first.get() == &session)
267 main_window = entry.second;
275 case subwindows::SubWindowTypeDecoderSelector:
276 title = tr("Decoder Selector");
283 QDockWidget* dock = new QDockWidget(title, main_window);
284 dock->setObjectName(title);
285 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
287 // Insert a QMainWindow into the dock widget to allow for a tool bar
288 QMainWindow *dock_main = new QMainWindow(dock);
289 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
292 if (type == subwindows::SubWindowTypeDecoderSelector)
293 w = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main);
299 sub_windows_[dock] = w;
300 dock_main->setCentralWidget(w.get());
301 dock->setWidget(dock_main);
303 dock->setContextMenuPolicy(Qt::PreventContextMenu);
304 dock->setFeatures(QDockWidget::DockWidgetMovable |
305 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
307 QAbstractButton *close_btn =
308 dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary
309 ("qt_dockwidget_closebutton").front();
311 // Allow all subwindows to be closed via ESC.
312 close_btn->setShortcut(QKeySequence(Qt::Key_Escape));
314 connect(close_btn, SIGNAL(clicked(bool)),
315 this, SLOT(on_sub_window_close_clicked()));
317 if (w->has_toolbar())
318 dock_main->addToolBar(w->create_toolbar(dock_main));
320 if (w->minimum_width() > 0)
321 dock->setMinimumSize(w->minimum_width(), 0);
328 shared_ptr<Session> MainWindow::add_session()
330 static int last_session_id = 1;
331 QString name = tr("Session %1").arg(last_session_id++);
333 shared_ptr<Session> session = make_shared<Session>(device_manager_, name);
335 connect(session.get(), SIGNAL(add_view(views::ViewType, Session*)),
336 this, SLOT(on_add_view(views::ViewType, Session*)));
337 connect(session.get(), SIGNAL(name_changed()),
338 this, SLOT(on_session_name_changed()));
339 connect(session.get(), SIGNAL(device_changed()),
340 this, SLOT(on_session_device_changed()));
341 connect(session.get(), SIGNAL(capture_state_changed(int)),
342 this, SLOT(on_session_capture_state_changed(int)));
344 sessions_.push_back(session);
346 QMainWindow *window = new QMainWindow();
347 window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
348 session_windows_[session] = window;
350 int index = session_selector_.addTab(window, name);
351 session_selector_.setCurrentIndex(index);
352 last_focused_session_ = session;
354 window->setDockNestingEnabled(true);
356 add_view(views::ViewTypeTrace, *session);
361 void MainWindow::remove_session(shared_ptr<Session> session)
363 // Determine the height of the button before it collapses
364 int h = new_session_button_->height();
366 // Stop capture while the session still exists so that the UI can be
367 // updated in case we're currently running. If so, this will schedule a
368 // call to our on_capture_state_changed() slot for the next run of the
369 // event loop. We need to have this executed immediately or else it will
370 // be dismissed since the session object will be deleted by the time we
371 // leave this method and the event loop gets a chance to run again.
372 session->stop_capture();
373 QApplication::processEvents();
375 for (const shared_ptr<views::ViewBase>& view : session->views())
378 QMainWindow *window = session_windows_.at(session);
379 session_selector_.removeTab(session_selector_.indexOf(window));
381 session_windows_.erase(session);
383 if (last_focused_session_ == session)
384 last_focused_session_.reset();
386 // Remove the session from our list of sessions (which also destroys it)
387 sessions_.remove_if([&](shared_ptr<Session> s) {
388 return s == session; });
390 if (sessions_.empty()) {
391 // When there are no more tabs, the height of the QTabWidget
392 // drops to zero. We must prevent this to keep the static
394 for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop
395 w->setMinimumHeight(h);
397 int margin = static_tab_widget_->layout()->contentsMargins().bottom();
398 static_tab_widget_->setMinimumHeight(h + 2 * margin);
399 session_selector_.setMinimumHeight(h + 2 * margin);
401 // Update the window title if there is no view left to
402 // generate focus change events
403 setWindowTitle(WindowTitle);
407 void MainWindow::add_session_with_file(string open_file_name,
408 string open_file_format, string open_setup_file_name)
410 shared_ptr<Session> session = add_session();
411 session->load_init_file(open_file_name, open_file_format, open_setup_file_name);
414 void MainWindow::add_default_session()
416 // Only add the default session if there would be no session otherwise
417 if (sessions_.size() > 0)
420 shared_ptr<Session> session = add_session();
422 // Check the list of available devices. Prefer the one that was
423 // found with user supplied scan specs (if applicable). Then try
424 // one of the auto detected devices that are not the demo device.
425 // Pick demo in the absence of "genuine" hardware devices.
426 shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device;
427 for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) {
428 if (dev == device_manager_.user_spec_device()) {
430 } else if (dev->hardware_device()->driver()->name() == "demo") {
437 session->select_device(user_device);
438 else if (other_device)
439 session->select_device(other_device);
441 session->select_device(demo_device);
444 void MainWindow::save_sessions()
449 for (shared_ptr<Session>& session : sessions_) {
450 // Ignore sessions using the demo device or no device at all
451 if (session->device()) {
452 shared_ptr<devices::HardwareDevice> device =
453 dynamic_pointer_cast< devices::HardwareDevice >
457 device->hardware_device()->driver()->name() == "demo")
460 settings.beginGroup("Session" + QString::number(id++));
461 settings.remove(""); // Remove all keys in this group
462 session->save_settings(settings);
467 settings.setValue("sessions", id);
470 void MainWindow::restore_sessions()
473 int i, session_count;
475 session_count = settings.value("sessions", 0).toInt();
477 for (i = 0; i < session_count; i++) {
478 settings.beginGroup("Session" + QString::number(i));
479 shared_ptr<Session> session = add_session();
480 session->restore_settings(settings);
485 void MainWindow::setup_ui()
487 setObjectName(QString::fromUtf8("MainWindow"));
489 setCentralWidget(&session_selector_);
491 // Set the window icon
493 icon.addFile(QString(":/icons/pulseview.png"));
496 // Set up keyboard shortcuts that affect all views at once
497 view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
498 view_sticky_scrolling_shortcut_->setAutoRepeat(false);
500 view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut()));
501 view_show_sampling_points_shortcut_->setAutoRepeat(false);
503 view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut()));
504 view_show_analog_minor_grid_shortcut_->setAutoRepeat(false);
506 view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut()));
507 view_colored_bg_shortcut_->setAutoRepeat(false);
509 // Set up the tab area
510 new_session_button_ = new QToolButton();
511 new_session_button_->setIcon(QIcon::fromTheme("document-new",
512 QIcon(":/icons/document-new.png")));
513 new_session_button_->setToolTip(tr("Create New Session"));
514 new_session_button_->setAutoRaise(true);
516 run_stop_button_ = new QToolButton();
517 run_stop_button_->setAutoRaise(true);
518 run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
519 run_stop_button_->setToolTip(tr("Start/Stop Acquisition"));
521 run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click()));
522 run_stop_shortcut_->setAutoRepeat(false);
524 settings_button_ = new QToolButton();
525 settings_button_->setIcon(QIcon::fromTheme("preferences-system",
526 QIcon(":/icons/preferences-system.png")));
527 settings_button_->setToolTip(tr("Settings"));
528 settings_button_->setAutoRaise(true);
530 QFrame *separator1 = new QFrame();
531 separator1->setFrameStyle(QFrame::VLine | QFrame::Raised);
532 QFrame *separator2 = new QFrame();
533 separator2->setFrameStyle(QFrame::VLine | QFrame::Raised);
535 QHBoxLayout* layout = new QHBoxLayout();
536 layout->setContentsMargins(2, 2, 2, 2);
537 layout->addWidget(new_session_button_);
538 layout->addWidget(separator1);
539 layout->addWidget(run_stop_button_);
540 layout->addWidget(separator2);
541 layout->addWidget(settings_button_);
543 static_tab_widget_ = new QWidget();
544 static_tab_widget_->setLayout(layout);
546 session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner);
547 session_selector_.setTabsClosable(true);
549 close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close()));
550 close_application_shortcut_->setAutoRepeat(false);
552 close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab()));
554 connect(new_session_button_, SIGNAL(clicked(bool)),
555 this, SLOT(on_new_session_clicked()));
556 connect(run_stop_button_, SIGNAL(clicked(bool)),
557 this, SLOT(on_run_stop_clicked()));
558 connect(settings_button_, SIGNAL(clicked(bool)),
559 this, SLOT(on_settings_clicked()));
561 connect(&session_selector_, SIGNAL(tabCloseRequested(int)),
562 this, SLOT(on_tab_close_requested(int)));
563 connect(&session_selector_, SIGNAL(currentChanged(int)),
564 this, SLOT(on_tab_changed(int)));
567 connect(static_cast<QApplication *>(QCoreApplication::instance()),
568 SIGNAL(focusChanged(QWidget*, QWidget*)),
569 this, SLOT(on_focus_changed()));
572 void MainWindow::update_acq_button(Session *session)
574 int state = session->get_capture_state();
576 const QString run_caption =
577 session->using_file_device() ? tr("Reload") : tr("Run");
579 const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
580 run_stop_button_->setIcon(*icons[state]);
581 run_stop_button_->setText((state == pv::Session::Stopped) ?
582 run_caption : tr("Stop"));
585 void MainWindow::save_ui_settings()
589 settings.beginGroup("MainWindow");
590 settings.setValue("state", saveState());
591 settings.setValue("geometry", saveGeometry());
595 void MainWindow::restore_ui_settings()
599 settings.beginGroup("MainWindow");
601 if (settings.contains("geometry")) {
602 restoreGeometry(settings.value("geometry").toByteArray());
603 restoreState(settings.value("state").toByteArray());
610 shared_ptr<Session> MainWindow::get_tab_session(int index) const
612 // Find the session that belongs to the tab's main window
613 for (auto& entry : session_windows_)
614 if (entry.second == session_selector_.widget(index))
620 void MainWindow::closeEvent(QCloseEvent *event)
622 bool data_saved = true;
624 for (auto& entry : session_windows_)
625 if (!entry.first->data_saved())
628 if (!data_saved && (QMessageBox::question(this, tr("Confirmation"),
629 tr("There is unsaved data. Close anyway?"),
630 QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) {
639 QMenu* MainWindow::createPopupMenu()
644 bool MainWindow::restoreState(const QByteArray &state, int version)
649 // Do nothing. We don't want Qt to handle this, or else it
650 // will try to restore all the dock widgets and create havoc.
655 void MainWindow::on_add_view(views::ViewType type, Session *session)
657 // We get a pointer and need a reference
658 for (shared_ptr<Session>& s : sessions_)
659 if (s.get() == session)
663 void MainWindow::on_focus_changed()
665 shared_ptr<views::ViewBase> view = get_active_view();
668 for (shared_ptr<Session> session : sessions_) {
669 if (session->has_view(view)) {
670 if (session != last_focused_session_) {
671 // Activate correct tab if necessary
672 shared_ptr<Session> tab_session = get_tab_session(
673 session_selector_.currentIndex());
674 if (tab_session != session)
675 session_selector_.setCurrentWidget(
676 session_windows_.at(session));
678 on_focused_session_changed(session);
686 if (sessions_.empty())
687 setWindowTitle(WindowTitle);
690 void MainWindow::on_focused_session_changed(shared_ptr<Session> session)
692 last_focused_session_ = session;
694 setWindowTitle(session->name() + " - " + WindowTitle);
696 // Update the state of the run/stop button, too
697 update_acq_button(session.get());
700 void MainWindow::on_new_session_clicked()
705 void MainWindow::on_run_stop_clicked()
707 shared_ptr<Session> session = last_focused_session_;
712 switch (session->get_capture_state()) {
713 case Session::Stopped:
714 session->start_capture([&](QString message) {
715 show_session_error("Capture failed", message); });
717 case Session::AwaitingTrigger:
718 case Session::Running:
719 session->stop_capture();
724 void MainWindow::on_settings_clicked()
726 dialogs::Settings dlg(device_manager_);
730 void MainWindow::on_session_name_changed()
732 // Update the corresponding dock widget's name(s)
733 Session *session = qobject_cast<Session*>(QObject::sender());
736 for (const shared_ptr<views::ViewBase>& view : session->views()) {
737 // Get the dock that contains the view
738 for (auto& entry : view_docks_)
739 if (entry.second == view) {
740 entry.first->setObjectName(session->name());
741 entry.first->setWindowTitle(session->name());
745 // Update the tab widget by finding the main window and the tab from that
746 for (auto& entry : session_windows_)
747 if (entry.first.get() == session) {
748 QMainWindow *window = entry.second;
749 const int index = session_selector_.indexOf(window);
750 session_selector_.setTabText(index, session->name());
753 // Refresh window title if the affected session has focus
754 if (session == last_focused_session_.get())
755 setWindowTitle(session->name() + " - " + WindowTitle);
758 void MainWindow::on_session_device_changed()
760 Session *session = qobject_cast<Session*>(QObject::sender());
763 // Ignore if caller is not the currently focused session
764 // unless there is only one session
765 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
768 update_acq_button(session);
771 void MainWindow::on_session_capture_state_changed(int state)
775 Session *session = qobject_cast<Session*>(QObject::sender());
778 // Ignore if caller is not the currently focused session
779 // unless there is only one session
780 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
783 update_acq_button(session);
786 void MainWindow::on_new_view(Session *session, int view_type)
788 // We get a pointer and need a reference
789 for (shared_ptr<Session>& s : sessions_)
790 if (s.get() == session)
791 add_view((views::ViewType)view_type, *s);
794 void MainWindow::on_view_close_clicked()
796 // Find the dock widget that contains the close button that was clicked
797 QObject *w = QObject::sender();
798 QDockWidget *dock = nullptr;
801 dock = qobject_cast<QDockWidget*>(w);
807 // Get the view contained in the dock widget
808 shared_ptr<views::ViewBase> view;
810 for (auto& entry : view_docks_)
811 if (entry.first == dock)
814 // Deregister the view
815 for (shared_ptr<Session> session : sessions_) {
816 if (!session->has_view(view))
819 // Also destroy the entire session if its main view is closing...
820 if (view == session->main_view()) {
821 // ...but only if data is saved or the user confirms closing
822 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
823 tr("This session contains unsaved data. Close it anyway?"),
824 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
825 remove_session(session);
828 // All other views can be closed at any time as no data will be lost
833 void MainWindow::on_tab_changed(int index)
835 shared_ptr<Session> session = get_tab_session(index);
838 on_focused_session_changed(session);
841 void MainWindow::on_tab_close_requested(int index)
843 shared_ptr<Session> session = get_tab_session(index);
848 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
849 tr("This session contains unsaved data. Close it anyway?"),
850 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
851 remove_session(session);
854 void MainWindow::on_show_decoder_selector(Session *session)
857 // Close dock widget if it's already showing and return
858 for (auto& entry : sub_windows_) {
859 QDockWidget* dock = entry.first;
860 shared_ptr<subwindows::SubWindowBase> decoder_selector =
861 dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second);
863 if (decoder_selector && (&decoder_selector->session() == session)) {
864 sub_windows_.erase(dock);
870 // We get a pointer and need a reference
871 for (shared_ptr<Session>& s : sessions_)
872 if (s.get() == session)
873 add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s);
877 void MainWindow::on_sub_window_close_clicked()
879 // Find the dock widget that contains the close button that was clicked
880 QObject *w = QObject::sender();
881 QDockWidget *dock = nullptr;
884 dock = qobject_cast<QDockWidget*>(w);
890 sub_windows_.erase(dock);
893 // Restore focus to the last used main view
894 if (last_focused_session_)
895 last_focused_session_->main_view()->setFocus();
898 void MainWindow::on_view_colored_bg_shortcut()
900 GlobalSettings settings;
902 bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
903 settings.setValue(GlobalSettings::Key_View_ColoredBG, !state);
906 void MainWindow::on_view_sticky_scrolling_shortcut()
908 GlobalSettings settings;
910 bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
911 settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
914 void MainWindow::on_view_show_sampling_points_shortcut()
916 GlobalSettings settings;
918 bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
919 settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state);
922 void MainWindow::on_view_show_analog_minor_grid_shortcut()
924 GlobalSettings settings;
926 bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
927 settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
930 void MainWindow::on_close_current_tab()
932 int tab = session_selector_.currentIndex();
934 on_tab_close_requested(tab);