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 "devicemanager.hpp"
44 #include "devices/hardwaredevice.hpp"
45 #include "dialogs/settings.hpp"
46 #include "globalsettings.hpp"
47 #include "toolbars/mainbar.hpp"
49 #include "views/trace/view.hpp"
50 #include "views/trace/standardbar.hpp"
52 #include <libsigrokcxx/libsigrokcxx.hpp>
54 using std::dynamic_pointer_cast;
55 using std::make_shared;
56 using std::shared_ptr;
65 using toolbars::MainBar;
67 const QString MainWindow::WindowTitle = tr("PulseView");
69 MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
71 device_manager_(device_manager),
72 session_selector_(this),
73 session_state_mapper_(this),
74 icon_red_(":/icons/status-red.svg"),
75 icon_green_(":/icons/status-green.svg"),
76 icon_grey_(":/icons/status-grey.svg")
78 qRegisterMetaType<util::Timestamp>("util::Timestamp");
79 qRegisterMetaType<uint64_t>("uint64_t");
81 GlobalSettings::add_change_handler(this);
84 restore_ui_settings();
87 MainWindow::~MainWindow()
89 GlobalSettings::remove_change_handler(this);
91 while (!sessions_.empty())
92 remove_session(sessions_.front());
95 shared_ptr<views::ViewBase> MainWindow::get_active_view() const
97 // If there's only one view, use it...
98 if (view_docks_.size() == 1)
99 return view_docks_.begin()->second;
101 // ...otherwise find the dock widget the widget with focus is contained in
102 QObject *w = QApplication::focusWidget();
103 QDockWidget *dock = nullptr;
106 dock = qobject_cast<QDockWidget*>(w);
112 // Get the view contained in the dock widget
113 for (auto entry : view_docks_)
114 if (entry.first == dock)
120 shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
121 views::ViewType type, Session &session)
123 GlobalSettings settings;
124 shared_ptr<views::ViewBase> v;
126 QMainWindow *main_window = nullptr;
127 for (auto entry : session_windows_)
128 if (entry.first.get() == &session)
129 main_window = entry.second;
133 shared_ptr<MainBar> main_bar = session.main_bar();
135 QDockWidget* dock = new QDockWidget(title, main_window);
136 dock->setObjectName(title);
137 main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
139 // Insert a QMainWindow into the dock widget to allow for a tool bar
140 QMainWindow *dock_main = new QMainWindow(dock);
141 dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
143 if (type == views::ViewTypeTrace)
144 // This view will be the main view if there's no main bar yet
145 v = make_shared<views::trace::View>(session,
146 (main_bar ? false : true), dock_main);
151 view_docks_[dock] = v;
152 session.register_view(v);
154 dock_main->setCentralWidget(v.get());
155 dock->setWidget(dock_main);
157 dock->setContextMenuPolicy(Qt::PreventContextMenu);
158 dock->setFeatures(QDockWidget::DockWidgetMovable |
159 QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
161 QAbstractButton *close_btn =
162 dock->findChildren<QAbstractButton*>
163 ("qt_dockwidget_closebutton").front();
165 connect(close_btn, SIGNAL(clicked(bool)),
166 this, SLOT(on_view_close_clicked()));
168 connect(&session, SIGNAL(trigger_event(int, util::Timestamp)),
169 qobject_cast<views::ViewBase*>(v.get()),
170 SLOT(trigger_event(int, util::Timestamp)));
172 if (type == views::ViewTypeTrace) {
173 views::trace::View *tv =
174 qobject_cast<views::trace::View*>(v.get());
176 tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
177 tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool());
178 tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool());
181 /* Initial view, create the main bar */
182 main_bar = make_shared<MainBar>(session, this, tv);
183 dock_main->addToolBar(main_bar.get());
184 session.set_main_bar(main_bar);
186 connect(main_bar.get(), SIGNAL(new_view(Session*)),
187 this, SLOT(on_new_view(Session*)));
189 main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
191 /* For the main view we need to prevent the dock widget from
192 * closing itself when its close button is clicked. This is
193 * so we can confirm with the user first. Regular views don't
195 close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close()));
197 /* Additional view, create a standard bar */
198 pv::views::trace::StandardBar *standard_bar =
199 new pv::views::trace::StandardBar(session, this, tv);
200 dock_main->addToolBar(standard_bar);
202 standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
209 void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
211 for (shared_ptr<Session> session : sessions_) {
212 if (!session->has_view(view))
215 // Find the dock the view is contained in and remove it
216 for (auto entry : view_docks_)
217 if (entry.second == view) {
218 // Remove the view from the session
219 session->deregister_view(view);
221 // Remove the view from its parent; otherwise, Qt will
222 // call deleteLater() on it, which causes a double free
223 // since the shared_ptr in view_docks_ doesn't know
224 // that Qt keeps a pointer to the view around
225 view->setParent(nullptr);
227 // Delete the view's dock widget and all widgets inside it
228 entry.first->deleteLater();
230 // Remove the dock widget from the list and stop iterating
231 view_docks_.erase(entry.first);
237 shared_ptr<Session> MainWindow::add_session()
239 static int last_session_id = 1;
240 QString name = tr("Session %1").arg(last_session_id++);
242 shared_ptr<Session> session = make_shared<Session>(device_manager_, name);
244 connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)),
245 this, SLOT(on_add_view(const QString&, views::ViewType, Session*)));
246 connect(session.get(), SIGNAL(name_changed()),
247 this, SLOT(on_session_name_changed()));
248 session_state_mapper_.setMapping(session.get(), session.get());
249 connect(session.get(), SIGNAL(capture_state_changed(int)),
250 &session_state_mapper_, SLOT(map()));
252 sessions_.push_back(session);
254 QMainWindow *window = new QMainWindow();
255 window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag
256 session_windows_[session] = window;
258 int index = session_selector_.addTab(window, name);
259 session_selector_.setCurrentIndex(index);
260 last_focused_session_ = session;
262 window->setDockNestingEnabled(true);
264 shared_ptr<views::ViewBase> main_view =
265 add_view(name, views::ViewTypeTrace, *session);
270 void MainWindow::remove_session(shared_ptr<Session> session)
272 // Determine the height of the button before it collapses
273 int h = new_session_button_->height();
275 // Stop capture while the session still exists so that the UI can be
276 // updated in case we're currently running. If so, this will schedule a
277 // call to our on_capture_state_changed() slot for the next run of the
278 // event loop. We need to have this executed immediately or else it will
279 // be dismissed since the session object will be deleted by the time we
280 // leave this method and the event loop gets a chance to run again.
281 session->stop_capture();
282 QApplication::processEvents();
284 for (shared_ptr<views::ViewBase> view : session->views())
287 QMainWindow *window = session_windows_.at(session);
288 session_selector_.removeTab(session_selector_.indexOf(window));
290 session_windows_.erase(session);
292 if (last_focused_session_ == session)
293 last_focused_session_.reset();
295 // Remove the session from our list of sessions (which also destroys it)
296 sessions_.remove_if([&](shared_ptr<Session> s) {
297 return s == session; });
299 if (sessions_.empty()) {
300 // When there are no more tabs, the height of the QTabWidget
301 // drops to zero. We must prevent this to keep the static
303 for (QWidget *w : static_tab_widget_->findChildren<QWidget*>())
304 w->setMinimumHeight(h);
306 int margin = static_tab_widget_->layout()->contentsMargins().bottom();
307 static_tab_widget_->setMinimumHeight(h + 2 * margin);
308 session_selector_.setMinimumHeight(h + 2 * margin);
310 // Update the window title if there is no view left to
311 // generate focus change events
312 setWindowTitle(WindowTitle);
316 void MainWindow::add_session_with_file(string open_file_name,
317 string open_file_format)
319 shared_ptr<Session> session = add_session();
320 session->load_init_file(open_file_name, open_file_format);
323 void MainWindow::add_default_session()
325 // Only add the default session if there would be no session otherwise
326 if (sessions_.size() > 0)
329 shared_ptr<Session> session = add_session();
331 // Check the list of available devices. Prefer the one that was
332 // found with user supplied scan specs (if applicable). Then try
333 // one of the auto detected devices that are not the demo device.
334 // Pick demo in the absence of "genuine" hardware devices.
335 shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device;
336 for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) {
337 if (dev == device_manager_.user_spec_device()) {
339 } else if (dev->hardware_device()->driver()->name() == "demo") {
346 session->select_device(user_device);
347 else if (other_device)
348 session->select_device(other_device);
350 session->select_device(demo_device);
353 void MainWindow::save_sessions()
358 for (shared_ptr<Session> session : sessions_) {
359 // Ignore sessions using the demo device or no device at all
360 if (session->device()) {
361 shared_ptr<devices::HardwareDevice> device =
362 dynamic_pointer_cast< devices::HardwareDevice >
366 device->hardware_device()->driver()->name() == "demo")
369 settings.beginGroup("Session" + QString::number(id++));
370 settings.remove(""); // Remove all keys in this group
371 session->save_settings(settings);
376 settings.setValue("sessions", id);
379 void MainWindow::restore_sessions()
382 int i, session_count;
384 session_count = settings.value("sessions", 0).toInt();
386 for (i = 0; i < session_count; i++) {
387 settings.beginGroup("Session" + QString::number(i));
388 shared_ptr<Session> session = add_session();
389 session->restore_settings(settings);
394 void MainWindow::on_setting_changed(const QString &key, const QVariant &value)
396 if (key == GlobalSettings::Key_View_ColouredBG)
397 on_settingViewColouredBg_changed(value);
399 if (key == GlobalSettings::Key_View_ShowSamplingPoints)
400 on_settingViewShowSamplingPoints_changed(value);
402 if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid)
403 on_settingViewShowAnalogMinorGrid_changed(value);
406 void MainWindow::setup_ui()
408 setObjectName(QString::fromUtf8("MainWindow"));
410 setCentralWidget(&session_selector_);
412 // Set the window icon
414 icon.addFile(QString(":/icons/pulseview.png"));
417 view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
418 view_sticky_scrolling_shortcut_->setAutoRepeat(false);
420 view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut()));
421 view_show_sampling_points_shortcut_->setAutoRepeat(false);
423 view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut()));
424 view_show_analog_minor_grid_shortcut_->setAutoRepeat(false);
426 view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut()));
427 view_coloured_bg_shortcut_->setAutoRepeat(false);
429 // Set up the tab area
430 new_session_button_ = new QToolButton();
431 new_session_button_->setIcon(QIcon::fromTheme("document-new",
432 QIcon(":/icons/document-new.png")));
433 new_session_button_->setToolTip(tr("Create New Session"));
434 new_session_button_->setAutoRaise(true);
436 run_stop_button_ = new QToolButton();
437 run_stop_button_->setAutoRaise(true);
438 run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
439 run_stop_button_->setToolTip(tr("Start/Stop Acquisition"));
441 run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click()));
442 run_stop_shortcut_->setAutoRepeat(false);
444 settings_button_ = new QToolButton();
445 settings_button_->setIcon(QIcon::fromTheme("preferences-system",
446 QIcon(":/icons/preferences-system.png")));
447 settings_button_->setToolTip(tr("Settings"));
448 settings_button_->setAutoRaise(true);
450 QFrame *separator1 = new QFrame();
451 separator1->setFrameStyle(QFrame::VLine | QFrame::Raised);
452 QFrame *separator2 = new QFrame();
453 separator2->setFrameStyle(QFrame::VLine | QFrame::Raised);
455 QHBoxLayout* layout = new QHBoxLayout();
456 layout->setContentsMargins(2, 2, 2, 2);
457 layout->addWidget(new_session_button_);
458 layout->addWidget(separator1);
459 layout->addWidget(run_stop_button_);
460 layout->addWidget(separator2);
461 layout->addWidget(settings_button_);
463 static_tab_widget_ = new QWidget();
464 static_tab_widget_->setLayout(layout);
466 session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner);
467 session_selector_.setTabsClosable(true);
469 close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close()));
470 close_application_shortcut_->setAutoRepeat(false);
472 close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab()));
474 connect(new_session_button_, SIGNAL(clicked(bool)),
475 this, SLOT(on_new_session_clicked()));
476 connect(run_stop_button_, SIGNAL(clicked(bool)),
477 this, SLOT(on_run_stop_clicked()));
478 connect(&session_state_mapper_, SIGNAL(mapped(QObject*)),
479 this, SLOT(on_capture_state_changed(QObject*)));
480 connect(settings_button_, SIGNAL(clicked(bool)),
481 this, SLOT(on_settings_clicked()));
483 connect(&session_selector_, SIGNAL(tabCloseRequested(int)),
484 this, SLOT(on_tab_close_requested(int)));
485 connect(&session_selector_, SIGNAL(currentChanged(int)),
486 this, SLOT(on_tab_changed(int)));
489 connect(static_cast<QApplication *>(QCoreApplication::instance()),
490 SIGNAL(focusChanged(QWidget*, QWidget*)),
491 this, SLOT(on_focus_changed()));
494 void MainWindow::save_ui_settings()
498 settings.beginGroup("MainWindow");
499 settings.setValue("state", saveState());
500 settings.setValue("geometry", saveGeometry());
504 void MainWindow::restore_ui_settings()
508 settings.beginGroup("MainWindow");
510 if (settings.contains("geometry")) {
511 restoreGeometry(settings.value("geometry").toByteArray());
512 restoreState(settings.value("state").toByteArray());
519 shared_ptr<Session> MainWindow::get_tab_session(int index) const
521 // Find the session that belongs to the tab's main window
522 for (auto entry : session_windows_)
523 if (entry.second == session_selector_.widget(index))
529 void MainWindow::closeEvent(QCloseEvent *event)
531 bool data_saved = true;
533 for (auto entry : session_windows_)
534 if (!entry.first->data_saved())
537 if (!data_saved && (QMessageBox::question(this, tr("Confirmation"),
538 tr("There is unsaved data. Close anyway?"),
539 QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) {
548 QMenu* MainWindow::createPopupMenu()
553 bool MainWindow::restoreState(const QByteArray &state, int version)
558 // Do nothing. We don't want Qt to handle this, or else it
559 // will try to restore all the dock widgets and create havoc.
564 void MainWindow::session_error(const QString text, const QString info_text)
566 qDebug().noquote() << "Notifying user of session error:" << info_text;
568 QMetaObject::invokeMethod(this, "show_session_error",
569 Qt::QueuedConnection, Q_ARG(QString, text),
570 Q_ARG(QString, info_text));
573 void MainWindow::show_session_error(const QString text, const QString info_text)
575 QMessageBox msg(this);
577 msg.setInformativeText(info_text);
578 msg.setStandardButtons(QMessageBox::Ok);
579 msg.setIcon(QMessageBox::Warning);
583 void MainWindow::on_add_view(const QString &title, views::ViewType type,
586 // We get a pointer and need a reference
587 for (shared_ptr<Session> s : sessions_)
588 if (s.get() == session)
589 add_view(title, type, *s);
592 void MainWindow::on_focus_changed()
594 shared_ptr<views::ViewBase> view = get_active_view();
597 for (shared_ptr<Session> session : sessions_) {
598 if (session->has_view(view)) {
599 if (session != last_focused_session_) {
600 // Activate correct tab if necessary
601 shared_ptr<Session> tab_session = get_tab_session(
602 session_selector_.currentIndex());
603 if (tab_session != session)
604 session_selector_.setCurrentWidget(
605 session_windows_.at(session));
607 on_focused_session_changed(session);
615 if (sessions_.empty())
616 setWindowTitle(WindowTitle);
619 void MainWindow::on_focused_session_changed(shared_ptr<Session> session)
621 last_focused_session_ = session;
623 setWindowTitle(session->name() + " - " + WindowTitle);
625 // Update the state of the run/stop button, too
626 on_capture_state_changed(session.get());
629 void MainWindow::on_new_session_clicked()
634 void MainWindow::on_run_stop_clicked()
636 shared_ptr<Session> session = last_focused_session_;
641 switch (session->get_capture_state()) {
642 case Session::Stopped:
643 session->start_capture([&](QString message) {
644 session_error("Capture failed", message); });
646 case Session::AwaitingTrigger:
647 case Session::Running:
648 session->stop_capture();
653 void MainWindow::on_settings_clicked()
655 dialogs::Settings dlg(device_manager_);
659 void MainWindow::on_session_name_changed()
661 // Update the corresponding dock widget's name(s)
662 Session *session = qobject_cast<Session*>(QObject::sender());
665 for (shared_ptr<views::ViewBase> view : session->views()) {
666 // Get the dock that contains the view
667 for (auto entry : view_docks_)
668 if (entry.second == view) {
669 entry.first->setObjectName(session->name());
670 entry.first->setWindowTitle(session->name());
674 // Update the tab widget by finding the main window and the tab from that
675 for (auto entry : session_windows_)
676 if (entry.first.get() == session) {
677 QMainWindow *window = entry.second;
678 const int index = session_selector_.indexOf(window);
679 session_selector_.setTabText(index, session->name());
682 // Refresh window title if the affected session has focus
683 if (session == last_focused_session_.get())
684 setWindowTitle(session->name() + " - " + WindowTitle);
687 void MainWindow::on_capture_state_changed(QObject *obj)
689 Session *caller = qobject_cast<Session*>(obj);
691 // Ignore if caller is not the currently focused session
692 // unless there is only one session
693 if ((sessions_.size() > 1) && (caller != last_focused_session_.get()))
696 int state = caller->get_capture_state();
698 const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
699 run_stop_button_->setIcon(*icons[state]);
700 run_stop_button_->setText((state == pv::Session::Stopped) ?
701 tr("Run") : tr("Stop"));
704 void MainWindow::on_new_view(Session *session)
706 // We get a pointer and need a reference
707 for (shared_ptr<Session> s : sessions_)
708 if (s.get() == session)
709 add_view(session->name(), views::ViewTypeTrace, *s);
712 void MainWindow::on_view_close_clicked()
714 // Find the dock widget that contains the close button that was clicked
715 QObject *w = QObject::sender();
716 QDockWidget *dock = nullptr;
719 dock = qobject_cast<QDockWidget*>(w);
725 // Get the view contained in the dock widget
726 shared_ptr<views::ViewBase> view;
728 for (auto entry : view_docks_)
729 if (entry.first == dock)
732 // Deregister the view
733 for (shared_ptr<Session> session : sessions_) {
734 if (!session->has_view(view))
737 // Also destroy the entire session if its main view is closing...
738 if (view == session->main_view()) {
739 // ...but only if data is saved or the user confirms closing
740 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
741 tr("This session contains unsaved data. Close it anyway?"),
742 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
743 remove_session(session);
746 // All other views can be closed at any time as no data will be lost
751 void MainWindow::on_tab_changed(int index)
753 shared_ptr<Session> session = get_tab_session(index);
756 on_focused_session_changed(session);
759 void MainWindow::on_tab_close_requested(int index)
761 shared_ptr<Session> session = get_tab_session(index);
766 if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
767 tr("This session contains unsaved data. Close it anyway?"),
768 QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
769 remove_session(session);
772 void MainWindow::on_view_coloured_bg_shortcut()
774 GlobalSettings settings;
776 bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
777 settings.setValue(GlobalSettings::Key_View_ColouredBG, !state);
780 void MainWindow::on_view_sticky_scrolling_shortcut()
782 GlobalSettings settings;
784 bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
785 settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
788 void MainWindow::on_view_show_sampling_points_shortcut()
790 GlobalSettings settings;
792 bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
793 settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state);
796 void MainWindow::on_view_show_analog_minor_grid_shortcut()
798 GlobalSettings settings;
800 bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
801 settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
804 void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
806 bool state = new_value.toBool();
808 for (auto entry : view_docks_) {
809 shared_ptr<views::ViewBase> viewbase = entry.second;
811 // Only trace views have this setting
812 views::trace::View* view =
813 qobject_cast<views::trace::View*>(viewbase.get());
815 view->enable_coloured_bg(state);
819 void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value)
821 bool state = new_value.toBool();
823 for (auto entry : view_docks_) {
824 shared_ptr<views::ViewBase> viewbase = entry.second;
826 // Only trace views have this setting
827 views::trace::View* view =
828 qobject_cast<views::trace::View*>(viewbase.get());
830 view->enable_show_sampling_points(state);
834 void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value)
836 bool state = new_value.toBool();
838 for (auto entry : view_docks_) {
839 shared_ptr<views::ViewBase> viewbase = entry.second;
841 // Only trace views have this setting
842 views::trace::View* view =
843 qobject_cast<views::trace::View*>(viewbase.get());
845 view->enable_show_analog_minor_grid(state);
849 void MainWindow::on_close_current_tab()
851 int tab = session_selector_.currentIndex();
853 on_tab_close_requested(tab);