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());
228 void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
230 for (shared_ptr<Session> session : sessions_) {
231 if (!session->has_view(view))
234 // Find the dock the view is contained in and remove it
235 for (auto& entry : view_docks_)
236 if (entry.second == view) {
237 // Remove the view from the session
238 session->deregister_view(view);
240 // Remove the view from its parent; otherwise, Qt will
241 // call deleteLater() on it, which causes a double free
242 // since the shared_ptr in view_docks_ doesn't know
243 // that Qt keeps a pointer to the view around
244 view->setParent(nullptr);
246 // Delete the view's dock widget and all widgets inside it
247 entry.first->deleteLater();
249 // Remove the dock widget from the list and stop iterating
250 view_docks_.erase(entry.first);
256 shared_ptr<subwindows::SubWindowBase> MainWindow::add_subwindow(
257 subwindows::SubWindowType type, Session &session)
259 GlobalSettings settings;
260 shared_ptr<subwindows::SubWindowBase> v;
262 QMainWindow *main_window = nullptr;
263 for (auto& entry : session_windows_)
264 if (entry.first.get() == &session)
265 main_window = entry.second;
273 case subwindows::SubWindowTypeDecoderSelector:
274 title = tr("Decoder Selector");
281 QDockWidget* dock = new QDockWidget(title, main_window);
282 dock->setObjectName(title);
283 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
285 // Insert a QMainWindow into the dock widget to allow for a tool bar
286 QMainWindow *dock_main = new QMainWindow(dock);
287 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
290 if (type == subwindows::SubWindowTypeDecoderSelector)
291 v = make_shared<subwindows::decoder_selector::SubWindow>(session, dock_main);
297 sub_windows_[dock] = v;
298 dock_main->setCentralWidget(v.get());
299 dock->setWidget(dock_main);
301 dock->setContextMenuPolicy(Qt::PreventContextMenu);
302 dock->setFeatures(QDockWidget::DockWidgetMovable |
303 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
305 QAbstractButton *close_btn =
306 dock->findChildren<QAbstractButton*> // clazy:exclude=detaching-temporary
307 ("qt_dockwidget_closebutton").front();
309 // Allow all subwindows to be closed via ESC.
310 close_btn->setShortcut(QKeySequence(Qt::Key_Escape));
312 connect(close_btn, SIGNAL(clicked(bool)),
313 this, SLOT(on_sub_window_close_clicked()));
315 if (v->has_toolbar())
316 dock_main->addToolBar(v->create_toolbar(dock_main));
318 if (v->minimum_width() > 0)
319 dock->setMinimumSize(v->minimum_width(), 0);
324 shared_ptr<Session> MainWindow::add_session()
326 static int last_session_id = 1;
327 QString name = tr("Session %1").arg(last_session_id++);
329 shared_ptr<Session> session = make_shared<Session>(device_manager_, name);
331 connect(session.get(), SIGNAL(add_view(views::ViewType, Session*)),
332 this, SLOT(on_add_view(views::ViewType, Session*)));
333 connect(session.get(), SIGNAL(name_changed()),
334 this, SLOT(on_session_name_changed()));
335 connect(session.get(), SIGNAL(device_changed()),
336 this, SLOT(on_session_device_changed()));
337 connect(session.get(), SIGNAL(capture_state_changed(int)),
338 this, SLOT(on_session_capture_state_changed(int)));
340 sessions_.push_back(session);
342 QMainWindow *window = new QMainWindow();
343 window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
344 session_windows_[session] = window;
346 int index = session_selector_.addTab(window, name);
347 session_selector_.setCurrentIndex(index);
348 last_focused_session_ = session;
350 window->setDockNestingEnabled(true);
352 shared_ptr<views::ViewBase> main_view = add_view(views::ViewTypeTrace, *session);
357 void MainWindow::remove_session(shared_ptr<Session> session)
359 // Determine the height of the button before it collapses
360 int h = new_session_button_->height();
362 // Stop capture while the session still exists so that the UI can be
363 // updated in case we're currently running. If so, this will schedule a
364 // call to our on_capture_state_changed() slot for the next run of the
365 // event loop. We need to have this executed immediately or else it will
366 // be dismissed since the session object will be deleted by the time we
367 // leave this method and the event loop gets a chance to run again.
368 session->stop_capture();
369 QApplication::processEvents();
371 for (const shared_ptr<views::ViewBase>& view : session->views())
374 QMainWindow *window = session_windows_.at(session);
375 session_selector_.removeTab(session_selector_.indexOf(window));
377 session_windows_.erase(session);
379 if (last_focused_session_ == session)
380 last_focused_session_.reset();
382 // Remove the session from our list of sessions (which also destroys it)
383 sessions_.remove_if([&](shared_ptr<Session> s) {
384 return s == session; });
386 if (sessions_.empty()) {
387 // When there are no more tabs, the height of the QTabWidget
388 // drops to zero. We must prevent this to keep the static
390 for (QWidget *w : static_tab_widget_->findChildren<QWidget*>()) // clazy:exclude=range-loop
391 w->setMinimumHeight(h);
393 int margin = static_tab_widget_->layout()->contentsMargins().bottom();
394 static_tab_widget_->setMinimumHeight(h + 2 * margin);
395 session_selector_.setMinimumHeight(h + 2 * margin);
397 // Update the window title if there is no view left to
398 // generate focus change events
399 setWindowTitle(WindowTitle);
403 void MainWindow::add_session_with_file(string open_file_name,
404 string open_file_format, string open_setup_file_name)
406 shared_ptr<Session> session = add_session();
407 session->load_init_file(open_file_name, open_file_format, open_setup_file_name);
410 void MainWindow::add_default_session()
412 // Only add the default session if there would be no session otherwise
413 if (sessions_.size() > 0)
416 shared_ptr<Session> session = add_session();
418 // Check the list of available devices. Prefer the one that was
419 // found with user supplied scan specs (if applicable). Then try
420 // one of the auto detected devices that are not the demo device.
421 // Pick demo in the absence of "genuine" hardware devices.
422 shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device;
423 for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) {
424 if (dev == device_manager_.user_spec_device()) {
426 } else if (dev->hardware_device()->driver()->name() == "demo") {
433 session->select_device(user_device);
434 else if (other_device)
435 session->select_device(other_device);
437 session->select_device(demo_device);
440 void MainWindow::save_sessions()
445 for (shared_ptr<Session>& session : sessions_) {
446 // Ignore sessions using the demo device or no device at all
447 if (session->device()) {
448 shared_ptr<devices::HardwareDevice> device =
449 dynamic_pointer_cast< devices::HardwareDevice >
453 device->hardware_device()->driver()->name() == "demo")
456 settings.beginGroup("Session" + QString::number(id++));
457 settings.remove(""); // Remove all keys in this group
458 session->save_settings(settings);
463 settings.setValue("sessions", id);
466 void MainWindow::restore_sessions()
469 int i, session_count;
471 session_count = settings.value("sessions", 0).toInt();
473 for (i = 0; i < session_count; i++) {
474 settings.beginGroup("Session" + QString::number(i));
475 shared_ptr<Session> session = add_session();
476 session->restore_settings(settings);
481 void MainWindow::setup_ui()
483 setObjectName(QString::fromUtf8("MainWindow"));
485 setCentralWidget(&session_selector_);
487 // Set the window icon
489 icon.addFile(QString(":/icons/pulseview.png"));
492 // Set up keyboard shortcuts that affect all views at once
493 view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
494 view_sticky_scrolling_shortcut_->setAutoRepeat(false);
496 view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut()));
497 view_show_sampling_points_shortcut_->setAutoRepeat(false);
499 view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut()));
500 view_show_analog_minor_grid_shortcut_->setAutoRepeat(false);
502 view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut()));
503 view_colored_bg_shortcut_->setAutoRepeat(false);
505 // Set up the tab area
506 new_session_button_ = new QToolButton();
507 new_session_button_->setIcon(QIcon::fromTheme("document-new",
508 QIcon(":/icons/document-new.png")));
509 new_session_button_->setToolTip(tr("Create New Session"));
510 new_session_button_->setAutoRaise(true);
512 run_stop_button_ = new QToolButton();
513 run_stop_button_->setAutoRaise(true);
514 run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
515 run_stop_button_->setToolTip(tr("Start/Stop Acquisition"));
517 run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click()));
518 run_stop_shortcut_->setAutoRepeat(false);
520 settings_button_ = new QToolButton();
521 settings_button_->setIcon(QIcon::fromTheme("preferences-system",
522 QIcon(":/icons/preferences-system.png")));
523 settings_button_->setToolTip(tr("Settings"));
524 settings_button_->setAutoRaise(true);
526 QFrame *separator1 = new QFrame();
527 separator1->setFrameStyle(QFrame::VLine | QFrame::Raised);
528 QFrame *separator2 = new QFrame();
529 separator2->setFrameStyle(QFrame::VLine | QFrame::Raised);
531 QHBoxLayout* layout = new QHBoxLayout();
532 layout->setContentsMargins(2, 2, 2, 2);
533 layout->addWidget(new_session_button_);
534 layout->addWidget(separator1);
535 layout->addWidget(run_stop_button_);
536 layout->addWidget(separator2);
537 layout->addWidget(settings_button_);
539 static_tab_widget_ = new QWidget();
540 static_tab_widget_->setLayout(layout);
542 session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner);
543 session_selector_.setTabsClosable(true);
545 close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close()));
546 close_application_shortcut_->setAutoRepeat(false);
548 close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab()));
550 connect(new_session_button_, SIGNAL(clicked(bool)),
551 this, SLOT(on_new_session_clicked()));
552 connect(run_stop_button_, SIGNAL(clicked(bool)),
553 this, SLOT(on_run_stop_clicked()));
554 connect(settings_button_, SIGNAL(clicked(bool)),
555 this, SLOT(on_settings_clicked()));
557 connect(&session_selector_, SIGNAL(tabCloseRequested(int)),
558 this, SLOT(on_tab_close_requested(int)));
559 connect(&session_selector_, SIGNAL(currentChanged(int)),
560 this, SLOT(on_tab_changed(int)));
563 connect(static_cast<QApplication *>(QCoreApplication::instance()),
564 SIGNAL(focusChanged(QWidget*, QWidget*)),
565 this, SLOT(on_focus_changed()));
568 void MainWindow::update_acq_button(Session *session)
570 int state = session->get_capture_state();
572 const QString run_caption =
573 session->using_file_device() ? tr("Reload") : tr("Run");
575 const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
576 run_stop_button_->setIcon(*icons[state]);
577 run_stop_button_->setText((state == pv::Session::Stopped) ?
578 run_caption : tr("Stop"));
581 void MainWindow::save_ui_settings()
585 settings.beginGroup("MainWindow");
586 settings.setValue("state", saveState());
587 settings.setValue("geometry", saveGeometry());
591 void MainWindow::restore_ui_settings()
595 settings.beginGroup("MainWindow");
597 if (settings.contains("geometry")) {
598 restoreGeometry(settings.value("geometry").toByteArray());
599 restoreState(settings.value("state").toByteArray());
606 shared_ptr<Session> MainWindow::get_tab_session(int index) const
608 // Find the session that belongs to the tab's main window
609 for (auto& entry : session_windows_)
610 if (entry.second == session_selector_.widget(index))
616 void MainWindow::closeEvent(QCloseEvent *event)
618 bool data_saved = true;
620 for (auto& entry : session_windows_)
621 if (!entry.first->data_saved())
624 if (!data_saved && (QMessageBox::question(this, tr("Confirmation"),
625 tr("There is unsaved data. Close anyway?"),
626 QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) {
635 QMenu* MainWindow::createPopupMenu()
640 bool MainWindow::restoreState(const QByteArray &state, int version)
645 // Do nothing. We don't want Qt to handle this, or else it
646 // will try to restore all the dock widgets and create havoc.
651 void MainWindow::on_add_view(views::ViewType type, Session *session)
653 // We get a pointer and need a reference
654 for (shared_ptr<Session>& s : sessions_)
655 if (s.get() == session)
659 void MainWindow::on_focus_changed()
661 shared_ptr<views::ViewBase> view = get_active_view();
664 for (shared_ptr<Session> session : sessions_) {
665 if (session->has_view(view)) {
666 if (session != last_focused_session_) {
667 // Activate correct tab if necessary
668 shared_ptr<Session> tab_session = get_tab_session(
669 session_selector_.currentIndex());
670 if (tab_session != session)
671 session_selector_.setCurrentWidget(
672 session_windows_.at(session));
674 on_focused_session_changed(session);
682 if (sessions_.empty())
683 setWindowTitle(WindowTitle);
686 void MainWindow::on_focused_session_changed(shared_ptr<Session> session)
688 last_focused_session_ = session;
690 setWindowTitle(session->name() + " - " + WindowTitle);
692 // Update the state of the run/stop button, too
693 update_acq_button(session.get());
696 void MainWindow::on_new_session_clicked()
701 void MainWindow::on_run_stop_clicked()
703 shared_ptr<Session> session = last_focused_session_;
708 switch (session->get_capture_state()) {
709 case Session::Stopped:
710 session->start_capture([&](QString message) {
711 show_session_error("Capture failed", message); });
713 case Session::AwaitingTrigger:
714 case Session::Running:
715 session->stop_capture();
720 void MainWindow::on_settings_clicked()
722 dialogs::Settings dlg(device_manager_);
726 void MainWindow::on_session_name_changed()
728 // Update the corresponding dock widget's name(s)
729 Session *session = qobject_cast<Session*>(QObject::sender());
732 for (const shared_ptr<views::ViewBase>& view : session->views()) {
733 // Get the dock that contains the view
734 for (auto& entry : view_docks_)
735 if (entry.second == view) {
736 entry.first->setObjectName(session->name());
737 entry.first->setWindowTitle(session->name());
741 // Update the tab widget by finding the main window and the tab from that
742 for (auto& entry : session_windows_)
743 if (entry.first.get() == session) {
744 QMainWindow *window = entry.second;
745 const int index = session_selector_.indexOf(window);
746 session_selector_.setTabText(index, session->name());
749 // Refresh window title if the affected session has focus
750 if (session == last_focused_session_.get())
751 setWindowTitle(session->name() + " - " + WindowTitle);
754 void MainWindow::on_session_device_changed()
756 Session *session = qobject_cast<Session*>(QObject::sender());
759 // Ignore if caller is not the currently focused session
760 // unless there is only one session
761 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
764 update_acq_button(session);
767 void MainWindow::on_session_capture_state_changed(int state)
771 Session *session = qobject_cast<Session*>(QObject::sender());
774 // Ignore if caller is not the currently focused session
775 // unless there is only one session
776 if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
779 update_acq_button(session);
782 void MainWindow::on_new_view(Session *session, int view_type)
784 // We get a pointer and need a reference
785 for (shared_ptr<Session>& s : sessions_)
786 if (s.get() == session)
787 add_view((views::ViewType)view_type, *s);
790 void MainWindow::on_view_close_clicked()
792 // Find the dock widget that contains the close button that was clicked
793 QObject *w = QObject::sender();
794 QDockWidget *dock = nullptr;
797 dock = qobject_cast<QDockWidget*>(w);
803 // Get the view contained in the dock widget
804 shared_ptr<views::ViewBase> view;
806 for (auto& entry : view_docks_)
807 if (entry.first == dock)
810 // Deregister the view
811 for (shared_ptr<Session> session : sessions_) {
812 if (!session->has_view(view))
815 // Also destroy the entire session if its main view is closing...
816 if (view == session->main_view()) {
817 // ...but only if data is saved or the user confirms closing
818 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
819 tr("This session contains unsaved data. Close it anyway?"),
820 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
821 remove_session(session);
824 // All other views can be closed at any time as no data will be lost
829 void MainWindow::on_tab_changed(int index)
831 shared_ptr<Session> session = get_tab_session(index);
834 on_focused_session_changed(session);
837 void MainWindow::on_tab_close_requested(int index)
839 shared_ptr<Session> session = get_tab_session(index);
844 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
845 tr("This session contains unsaved data. Close it anyway?"),
846 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
847 remove_session(session);
850 void MainWindow::on_show_decoder_selector(Session *session)
853 // Close dock widget if it's already showing and return
854 for (auto& entry : sub_windows_) {
855 QDockWidget* dock = entry.first;
856 shared_ptr<subwindows::SubWindowBase> decoder_selector =
857 dynamic_pointer_cast<subwindows::decoder_selector::SubWindow>(entry.second);
859 if (decoder_selector && (&decoder_selector->session() == session)) {
860 sub_windows_.erase(dock);
866 // We get a pointer and need a reference
867 for (shared_ptr<Session>& s : sessions_)
868 if (s.get() == session)
869 add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s);
873 void MainWindow::on_sub_window_close_clicked()
875 // Find the dock widget that contains the close button that was clicked
876 QObject *w = QObject::sender();
877 QDockWidget *dock = nullptr;
880 dock = qobject_cast<QDockWidget*>(w);
886 sub_windows_.erase(dock);
890 void MainWindow::on_view_colored_bg_shortcut()
892 GlobalSettings settings;
894 bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
895 settings.setValue(GlobalSettings::Key_View_ColoredBG, !state);
898 void MainWindow::on_view_sticky_scrolling_shortcut()
900 GlobalSettings settings;
902 bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
903 settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
906 void MainWindow::on_view_show_sampling_points_shortcut()
908 GlobalSettings settings;
910 bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
911 settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state);
914 void MainWindow::on_view_show_analog_minor_grid_shortcut()
916 GlobalSettings settings;
918 bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
919 settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
922 void MainWindow::on_close_current_tab()
924 int tab = session_selector_.currentIndex();
926 on_tab_close_requested(tab);