X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fmainwindow.cpp;h=4088c26d1c86b430f3f811df8269c07b6be65616;hp=0397c7f4a6076de6782f364be497ae8f462ad560;hb=97378470ded88af84edaa0f1063d10d834475665;hpb=82c7f64018db2a90f44704e55ba469151522762f diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp index 0397c7f..d07d331 100644 --- a/pv/mainwindow.cpp +++ b/pv/mainwindow.cpp @@ -14,418 +14,931 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * along with this program; if not, see . */ +#ifdef ENABLE_DECODE #include +#endif -#include -#include +#include +#include +#include +#include +#include #include #include -#include -#include +#include +#include +#include +#include #include -#include -#include -#include -#include +#include +#include #include -#include "mainwindow.h" +#include "mainwindow.hpp" -#include "devicemanager.h" -#include "dialogs/about.h" -#include "dialogs/connect.h" -#include "dialogs/decoder.h" -#include "toolbars/contextbar.h" -#include "toolbars/samplingbar.h" -#include "view/view.h" +#include "devicemanager.hpp" +#include "devices/hardwaredevice.hpp" +#include "dialogs/settings.hpp" +#include "globalsettings.hpp" +#include "subwindows/decoder_selector/subwindow.hpp" +#include "toolbars/mainbar.hpp" +#include "util.hpp" +#include "views/trace/view.hpp" +#include "views/trace/standardbar.hpp" -/* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */ -#define __STDC_FORMAT_MACROS -#include -#include -#include -#include -#include +#include -using namespace boost; -using namespace std; +using std::dynamic_pointer_cast; +using std::make_shared; +using std::shared_ptr; +using std::string; namespace pv { namespace view { -class SelectableItem; +class ViewItem; } -MainWindow::MainWindow(DeviceManager &device_manager, - const char *open_file_name, - QWidget *parent) : +using toolbars::MainBar; + +const QString MainWindow::WindowTitle = tr("PulseView"); + +MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) : QMainWindow(parent), - _device_manager(device_manager), - _session(device_manager), - _decoders_add_mapper(this) + device_manager_(device_manager), + session_selector_(this), + session_state_mapper_(this), + icon_red_(":/icons/status-red.svg"), + icon_green_(":/icons/status-green.svg"), + icon_grey_(":/icons/status-grey.svg") { + GlobalSettings::add_change_handler(this); + setup_ui(); - if (open_file_name) { - const QString s(QString::fromUtf8(open_file_name)); - QMetaObject::invokeMethod(this, "load_file", - Qt::QueuedConnection, - Q_ARG(QString, s)); + restore_ui_settings(); +} + +MainWindow::~MainWindow() +{ + GlobalSettings::remove_change_handler(this); + + // Make sure we no longer hold any shared pointers to widgets after the + // destructor finishes (goes for sessions and sub windows alike) + + while (!sessions_.empty()) + remove_session(sessions_.front()); + + sub_windows_.clear(); +} + +void MainWindow::show_session_error(const QString text, const QString info_text) +{ + // TODO Emulate noquote() + qDebug() << "Notifying user of session error:" << info_text; + + QMessageBox msg; + msg.setText(text + "\n\n" + info_text); + msg.setStandardButtons(QMessageBox::Ok); + msg.setIcon(QMessageBox::Warning); + msg.exec(); +} + +shared_ptr MainWindow::get_active_view() const +{ + // If there's only one view, use it... + if (view_docks_.size() == 1) + return view_docks_.begin()->second; + + // ...otherwise find the dock widget the widget with focus is contained in + QObject *w = QApplication::focusWidget(); + QDockWidget *dock = nullptr; + + while (w) { + dock = qobject_cast(w); + if (dock) + break; + w = w->parent(); + } + + // Get the view contained in the dock widget + for (auto& entry : view_docks_) + if (entry.first == dock) + return entry.second; + + return nullptr; +} + +shared_ptr MainWindow::add_view(const QString &title, + views::ViewType type, Session &session) +{ + GlobalSettings settings; + shared_ptr v; + + QMainWindow *main_window = nullptr; + for (auto& entry : session_windows_) + if (entry.first.get() == &session) + main_window = entry.second; + + assert(main_window); + + shared_ptr main_bar = session.main_bar(); + + QDockWidget* dock = new QDockWidget(title, main_window); + dock->setObjectName(title); + main_window->addDockWidget(Qt::TopDockWidgetArea, dock); + + // Insert a QMainWindow into the dock widget to allow for a tool bar + QMainWindow *dock_main = new QMainWindow(dock); + dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag + + if (type == views::ViewTypeTrace) + // This view will be the main view if there's no main bar yet + v = make_shared(session, + (main_bar ? false : true), dock_main); + + if (!v) + return nullptr; + + view_docks_[dock] = v; + session.register_view(v); + + dock_main->setCentralWidget(v.get()); + dock->setWidget(dock_main); + + dock->setContextMenuPolicy(Qt::PreventContextMenu); + dock->setFeatures(QDockWidget::DockWidgetMovable | + QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); + + QAbstractButton *close_btn = + dock->findChildren("qt_dockwidget_closebutton") // clazy:exclude=detaching-temporary + .front(); + + connect(close_btn, SIGNAL(clicked(bool)), + this, SLOT(on_view_close_clicked())); + + connect(&session, SIGNAL(trigger_event(int, util::Timestamp)), + qobject_cast(v.get()), + SLOT(trigger_event(int, util::Timestamp))); + + if (type == views::ViewTypeTrace) { + views::trace::View *tv = + qobject_cast(v.get()); + + tv->enable_colored_bg(settings.value(GlobalSettings::Key_View_ColoredBG).toBool()); + tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool()); + tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool()); + + if (!main_bar) { + /* Initial view, create the main bar */ + main_bar = make_shared(session, this, tv); + dock_main->addToolBar(main_bar.get()); + session.set_main_bar(main_bar); + + connect(main_bar.get(), SIGNAL(new_view(Session*)), + this, SLOT(on_new_view(Session*))); + connect(main_bar.get(), SIGNAL(show_decoder_selector(Session*)), + this, SLOT(on_show_decoder_selector(Session*))); + + main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); + + /* For the main view we need to prevent the dock widget from + * closing itself when its close button is clicked. This is + * so we can confirm with the user first. Regular views don't + * need this */ + close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close())); + } else { + /* Additional view, create a standard bar */ + pv::views::trace::StandardBar *standard_bar = + new pv::views::trace::StandardBar(session, this, tv); + dock_main->addToolBar(standard_bar); + + standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown()); + } + } + + return v; +} + +void MainWindow::remove_view(shared_ptr view) +{ + for (shared_ptr session : sessions_) { + if (!session->has_view(view)) + continue; + + // Find the dock the view is contained in and remove it + for (auto& entry : view_docks_) + if (entry.second == view) { + // Remove the view from the session + session->deregister_view(view); + + // Remove the view from its parent; otherwise, Qt will + // call deleteLater() on it, which causes a double free + // since the shared_ptr in view_docks_ doesn't know + // that Qt keeps a pointer to the view around + view->setParent(nullptr); + + // Delete the view's dock widget and all widgets inside it + entry.first->deleteLater(); + + // Remove the dock widget from the list and stop iterating + view_docks_.erase(entry.first); + break; + } + } +} + +shared_ptr MainWindow::add_subwindow( + subwindows::SubWindowType type, Session &session) +{ + GlobalSettings settings; + shared_ptr v; + + QMainWindow *main_window = nullptr; + for (auto entry : session_windows_) + if (entry.first.get() == &session) + main_window = entry.second; + + assert(main_window); + + QString title = ""; + + switch (type) { + case subwindows::SubWindowTypeDecoderSelector: + title = tr("Decoder Selector"); + } + + QDockWidget* dock = new QDockWidget(title, main_window); + dock->setObjectName(title); + main_window->addDockWidget(Qt::TopDockWidgetArea, dock); + + // Insert a QMainWindow into the dock widget to allow for a tool bar + QMainWindow *dock_main = new QMainWindow(dock); + dock_main->setWindowFlags(Qt::Widget); // Remove Qt::Window flag + + if (type == subwindows::SubWindowTypeDecoderSelector) + v = make_shared(session, dock_main); + + if (!v) + return nullptr; + + sub_windows_[dock] = v; + dock_main->setCentralWidget(v.get()); + dock->setWidget(dock_main); + + dock->setContextMenuPolicy(Qt::PreventContextMenu); + dock->setFeatures(QDockWidget::DockWidgetMovable | + QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable); + + QAbstractButton *close_btn = + dock->findChildren + ("qt_dockwidget_closebutton").front(); + + connect(close_btn, SIGNAL(clicked(bool)), + this, SLOT(on_sub_window_close_clicked())); + + if (v->has_toolbar()) + dock_main->addToolBar(v->create_toolbar(dock_main)); + + return v; +} + +shared_ptr MainWindow::add_session() +{ + static int last_session_id = 1; + QString name = tr("Session %1").arg(last_session_id++); + + shared_ptr session = make_shared(device_manager_, name); + + connect(session.get(), SIGNAL(add_view(const QString&, views::ViewType, Session*)), + this, SLOT(on_add_view(const QString&, views::ViewType, Session*))); + connect(session.get(), SIGNAL(name_changed()), + this, SLOT(on_session_name_changed())); + session_state_mapper_.setMapping(session.get(), session.get()); + connect(session.get(), SIGNAL(capture_state_changed(int)), + &session_state_mapper_, SLOT(map())); + + sessions_.push_back(session); + + QMainWindow *window = new QMainWindow(); + window->setWindowFlags(Qt::Widget); // Remove Qt::Window flag + session_windows_[session] = window; + + int index = session_selector_.addTab(window, name); + session_selector_.setCurrentIndex(index); + last_focused_session_ = session; + + window->setDockNestingEnabled(true); + + shared_ptr main_view = + add_view(name, views::ViewTypeTrace, *session); + + return session; +} + +void MainWindow::remove_session(shared_ptr session) +{ + // Determine the height of the button before it collapses + int h = new_session_button_->height(); + + // Stop capture while the session still exists so that the UI can be + // updated in case we're currently running. If so, this will schedule a + // call to our on_capture_state_changed() slot for the next run of the + // event loop. We need to have this executed immediately or else it will + // be dismissed since the session object will be deleted by the time we + // leave this method and the event loop gets a chance to run again. + session->stop_capture(); + QApplication::processEvents(); + + for (const shared_ptr& view : session->views()) + remove_view(view); + + QMainWindow *window = session_windows_.at(session); + session_selector_.removeTab(session_selector_.indexOf(window)); + + session_windows_.erase(session); + + if (last_focused_session_ == session) + last_focused_session_.reset(); + + // Remove the session from our list of sessions (which also destroys it) + sessions_.remove_if([&](shared_ptr s) { + return s == session; }); + + if (sessions_.empty()) { + // When there are no more tabs, the height of the QTabWidget + // drops to zero. We must prevent this to keep the static + // widgets visible + for (QWidget *w : static_tab_widget_->findChildren()) // clazy:exclude=range-loop + w->setMinimumHeight(h); + + int margin = static_tab_widget_->layout()->contentsMargins().bottom(); + static_tab_widget_->setMinimumHeight(h + 2 * margin); + session_selector_.setMinimumHeight(h + 2 * margin); + + // Update the window title if there is no view left to + // generate focus change events + setWindowTitle(WindowTitle); + } +} + +void MainWindow::add_session_with_file(string open_file_name, + string open_file_format) +{ + shared_ptr session = add_session(); + session->load_init_file(open_file_name, open_file_format); +} + +void MainWindow::add_default_session() +{ + // Only add the default session if there would be no session otherwise + if (sessions_.size() > 0) + return; + + shared_ptr session = add_session(); + + // Check the list of available devices. Prefer the one that was + // found with user supplied scan specs (if applicable). Then try + // one of the auto detected devices that are not the demo device. + // Pick demo in the absence of "genuine" hardware devices. + shared_ptr user_device, other_device, demo_device; + for (const shared_ptr& dev : device_manager_.devices()) { + if (dev == device_manager_.user_spec_device()) { + user_device = dev; + } else if (dev->hardware_device()->driver()->name() == "demo") { + demo_device = dev; + } else { + other_device = dev; + } + } + if (user_device) + session->select_device(user_device); + else if (other_device) + session->select_device(other_device); + else + session->select_device(demo_device); +} + +void MainWindow::save_sessions() +{ + QSettings settings; + int id = 0; + + for (shared_ptr& session : sessions_) { + // Ignore sessions using the demo device or no device at all + if (session->device()) { + shared_ptr device = + dynamic_pointer_cast< devices::HardwareDevice > + (session->device()); + + if (device && + device->hardware_device()->driver()->name() == "demo") + continue; + + settings.beginGroup("Session" + QString::number(id++)); + settings.remove(""); // Remove all keys in this group + session->save_settings(settings); + settings.endGroup(); + } + } + + settings.setValue("sessions", id); +} + +void MainWindow::restore_sessions() +{ + QSettings settings; + int i, session_count; + + session_count = settings.value("sessions", 0).toInt(); + + for (i = 0; i < session_count; i++) { + settings.beginGroup("Session" + QString::number(i)); + shared_ptr session = add_session(); + session->restore_settings(settings); + settings.endGroup(); } } +void MainWindow::on_setting_changed(const QString &key, const QVariant &value) +{ + if (key == GlobalSettings::Key_View_ColoredBG) + on_settingViewColoredBg_changed(value); + + if (key == GlobalSettings::Key_View_ShowSamplingPoints) + on_settingViewShowSamplingPoints_changed(value); + + if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid) + on_settingViewShowAnalogMinorGrid_changed(value); +} + void MainWindow::setup_ui() { setObjectName(QString::fromUtf8("MainWindow")); - resize(1024, 768); + setCentralWidget(&session_selector_); // Set the window icon QIcon icon; - icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"), - QSize(), QIcon::Normal, QIcon::Off); + icon.addFile(QString(":/icons/pulseview.png")); setWindowIcon(icon); - // Setup the central widget - _central_widget = new QWidget(this); - _vertical_layout = new QVBoxLayout(_central_widget); - _vertical_layout->setSpacing(6); - _vertical_layout->setContentsMargins(0, 0, 0, 0); - setCentralWidget(_central_widget); - - _view = new pv::view::View(_session, this); - connect(_view, SIGNAL(selection_changed()), this, - SLOT(view_selection_changed())); - - _vertical_layout->addWidget(_view); - - // Setup the menu bar - _menu_bar = new QMenuBar(this); - _menu_bar->setGeometry(QRect(0, 0, 400, 25)); - - // File Menu - _menu_file = new QMenu(_menu_bar); - _menu_file->setTitle(QApplication::translate( - "MainWindow", "&File", 0, QApplication::UnicodeUTF8)); - - _action_open = new QAction(this); - _action_open->setText(QApplication::translate( - "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8)); - _action_open->setIcon(QIcon::fromTheme("document-open", - QIcon(":/icons/document-open.png"))); - _action_open->setObjectName(QString::fromUtf8("actionOpen")); - _menu_file->addAction(_action_open); - - _menu_file->addSeparator(); - - _action_connect = new QAction(this); - _action_connect->setText(QApplication::translate( - "MainWindow", "&Connect to Device...", 0, - QApplication::UnicodeUTF8)); - _action_connect->setObjectName(QString::fromUtf8("actionConnect")); - _menu_file->addAction(_action_connect); - - _menu_file->addSeparator(); - - _action_quit = new QAction(this); - _action_quit->setText(QApplication::translate( - "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8)); - _action_quit->setIcon(QIcon::fromTheme("application-exit", - QIcon(":/icons/application-exit.png"))); - _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q)); - _action_quit->setObjectName(QString::fromUtf8("actionQuit")); - _menu_file->addAction(_action_quit); - - // View Menu - _menu_view = new QMenu(_menu_bar); - _menu_view->setTitle(QApplication::translate( - "MainWindow", "&View", 0, QApplication::UnicodeUTF8)); - - _action_view_zoom_in = new QAction(this); - _action_view_zoom_in->setText(QApplication::translate( - "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8)); - _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in", - QIcon(":/icons/zoom-in.png"))); - _action_view_zoom_in->setObjectName( - QString::fromUtf8("actionViewZoomIn")); - _menu_view->addAction(_action_view_zoom_in); - - _action_view_zoom_out = new QAction(this); - _action_view_zoom_out->setText(QApplication::translate( - "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8)); - _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out", - QIcon(":/icons/zoom-out.png"))); - _action_view_zoom_out->setObjectName( - QString::fromUtf8("actionViewZoomOut")); - _menu_view->addAction(_action_view_zoom_out); - - _menu_view->addSeparator(); - - _action_view_show_cursors = new QAction(this); - _action_view_show_cursors->setCheckable(true); - _action_view_show_cursors->setChecked(_view->cursors_shown()); - _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C)); - _action_view_show_cursors->setObjectName( - QString::fromUtf8("actionViewShowCursors")); - _action_view_show_cursors->setText(QApplication::translate( - "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8)); - _menu_view->addAction(_action_view_show_cursors); - - // Decoders Menu - _menu_decoders = new QMenu(_menu_bar); - _menu_decoders->setTitle(QApplication::translate( - "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8)); - - _menu_decoders_add = new QMenu(_menu_decoders); - _menu_decoders_add->setTitle(QApplication::translate( - "MainWindow", "&Add", 0, QApplication::UnicodeUTF8)); - setup_add_decoders(_menu_decoders_add); - - _menu_decoders->addMenu(_menu_decoders_add); - connect(&_decoders_add_mapper, SIGNAL(mapped(QObject*)), - this, SLOT(add_decoder(QObject*))); - - // Help Menu - _menu_help = new QMenu(_menu_bar); - _menu_help->setTitle(QApplication::translate( - "MainWindow", "&Help", 0, QApplication::UnicodeUTF8)); - - _action_about = new QAction(this); - _action_about->setObjectName(QString::fromUtf8("actionAbout")); - _action_about->setText(QApplication::translate( - "MainWindow", "&About...", 0, QApplication::UnicodeUTF8)); - _menu_help->addAction(_action_about); - - _menu_bar->addAction(_menu_file->menuAction()); - _menu_bar->addAction(_menu_view->menuAction()); - _menu_bar->addAction(_menu_decoders->menuAction()); - _menu_bar->addAction(_menu_help->menuAction()); - - setMenuBar(_menu_bar); - QMetaObject::connectSlotsByName(this); - - // Setup the toolbar - _toolbar = new QToolBar(tr("Main Toolbar"), this); - _toolbar->addAction(_action_open); - _toolbar->addSeparator(); - _toolbar->addAction(_action_view_zoom_in); - _toolbar->addAction(_action_view_zoom_out); - addToolBar(_toolbar); - - // Setup the sampling bar - _sampling_bar = new toolbars::SamplingBar(this); - - // Populate the device list and select the initially selected device - update_device_list(); - - connect(_sampling_bar, SIGNAL(device_selected()), this, - SLOT(device_selected())); - connect(_sampling_bar, SIGNAL(run_stop()), this, - SLOT(run_stop())); - addToolBar(_sampling_bar); - - // Setup the context bar - _context_bar = new toolbars::ContextBar(this); - addToolBar(_context_bar); - - // Set the title - setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0, - QApplication::UnicodeUTF8)); - - // Setup _session events - connect(&_session, SIGNAL(capture_state_changed(int)), this, - SLOT(capture_state_changed(int))); - -} - -void MainWindow::session_error( - const QString text, const QString info_text) -{ - QMetaObject::invokeMethod(this, "show_session_error", - Qt::QueuedConnection, Q_ARG(QString, text), - Q_ARG(QString, info_text)); -} - -void MainWindow::update_device_list(struct sr_dev_inst *selected_device) -{ - assert(_sampling_bar); - - const list &devices = _device_manager.devices(); - _sampling_bar->set_device_list(devices); - - if (!selected_device && !devices.empty()) { - // Fall back to the first device in the list. - selected_device = devices.front(); + view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut())); + view_sticky_scrolling_shortcut_->setAutoRepeat(false); + + view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut())); + view_show_sampling_points_shortcut_->setAutoRepeat(false); + + view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut())); + view_show_analog_minor_grid_shortcut_->setAutoRepeat(false); + + view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut())); + view_colored_bg_shortcut_->setAutoRepeat(false); + + // Set up the tab area + new_session_button_ = new QToolButton(); + new_session_button_->setIcon(QIcon::fromTheme("document-new", + QIcon(":/icons/document-new.png"))); + new_session_button_->setToolTip(tr("Create New Session")); + new_session_button_->setAutoRaise(true); + + run_stop_button_ = new QToolButton(); + run_stop_button_->setAutoRaise(true); + run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); + run_stop_button_->setToolTip(tr("Start/Stop Acquisition")); + + run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click())); + run_stop_shortcut_->setAutoRepeat(false); + + settings_button_ = new QToolButton(); + settings_button_->setIcon(QIcon::fromTheme("preferences-system", + QIcon(":/icons/preferences-system.png"))); + settings_button_->setToolTip(tr("Settings")); + settings_button_->setAutoRaise(true); + + QFrame *separator1 = new QFrame(); + separator1->setFrameStyle(QFrame::VLine | QFrame::Raised); + QFrame *separator2 = new QFrame(); + separator2->setFrameStyle(QFrame::VLine | QFrame::Raised); + + QHBoxLayout* layout = new QHBoxLayout(); + layout->setContentsMargins(2, 2, 2, 2); + layout->addWidget(new_session_button_); + layout->addWidget(separator1); + layout->addWidget(run_stop_button_); + layout->addWidget(separator2); + layout->addWidget(settings_button_); + + static_tab_widget_ = new QWidget(); + static_tab_widget_->setLayout(layout); + + session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner); + session_selector_.setTabsClosable(true); + + close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close())); + close_application_shortcut_->setAutoRepeat(false); + + close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab())); + + connect(new_session_button_, SIGNAL(clicked(bool)), + this, SLOT(on_new_session_clicked())); + connect(run_stop_button_, SIGNAL(clicked(bool)), + this, SLOT(on_run_stop_clicked())); + connect(&session_state_mapper_, SIGNAL(mapped(QObject*)), + this, SLOT(on_capture_state_changed(QObject*))); + connect(settings_button_, SIGNAL(clicked(bool)), + this, SLOT(on_settings_clicked())); + + connect(&session_selector_, SIGNAL(tabCloseRequested(int)), + this, SLOT(on_tab_close_requested(int))); + connect(&session_selector_, SIGNAL(currentChanged(int)), + this, SLOT(on_tab_changed(int))); + + + connect(static_cast(QCoreApplication::instance()), + SIGNAL(focusChanged(QWidget*, QWidget*)), + this, SLOT(on_focus_changed())); +} - // Try and find the demo device and select that by default - BOOST_FOREACH (struct sr_dev_inst *sdi, devices) - if (strcmp(sdi->driver->name, "demo") == 0) { - selected_device = sdi; - } - } +void MainWindow::save_ui_settings() +{ + QSettings settings; + + settings.beginGroup("MainWindow"); + settings.setValue("state", saveState()); + settings.setValue("geometry", saveGeometry()); + settings.endGroup(); +} + +void MainWindow::restore_ui_settings() +{ + QSettings settings; + + settings.beginGroup("MainWindow"); + + if (settings.contains("geometry")) { + restoreGeometry(settings.value("geometry").toByteArray()); + restoreState(settings.value("state").toByteArray()); + } else + resize(1000, 720); - if (selected_device) { - _sampling_bar->set_selected_device(selected_device); - _session.set_device(selected_device); + settings.endGroup(); +} + +shared_ptr MainWindow::get_tab_session(int index) const +{ + // Find the session that belongs to the tab's main window + for (auto& entry : session_windows_) + if (entry.second == session_selector_.widget(index)) + return entry.first; + + return nullptr; +} + +void MainWindow::closeEvent(QCloseEvent *event) +{ + bool data_saved = true; + + for (auto& entry : session_windows_) + if (!entry.first->data_saved()) + data_saved = false; + + if (!data_saved && (QMessageBox::question(this, tr("Confirmation"), + tr("There is unsaved data. Close anyway?"), + QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) { + event->ignore(); + } else { + save_ui_settings(); + save_sessions(); + event->accept(); } } -void MainWindow::load_file(QString file_name) +QMenu* MainWindow::createPopupMenu() { - const QString errorMessage( - QString("Failed to load file %1").arg(file_name)); - const QString infoMessage; - _session.load_file(file_name.toStdString(), - boost::bind(&MainWindow::session_error, this, - errorMessage, infoMessage)); + return nullptr; } -void MainWindow::show_session_error( - const QString text, const QString info_text) +bool MainWindow::restoreState(const QByteArray &state, int version) { - QMessageBox msg(this); - msg.setText(text); - msg.setInformativeText(info_text); - msg.setStandardButtons(QMessageBox::Ok); - msg.setIcon(QMessageBox::Warning); - msg.exec(); + (void)state; + (void)version; + + // Do nothing. We don't want Qt to handle this, or else it + // will try to restore all the dock widgets and create havoc. + + return false; } -gint MainWindow::decoder_name_cmp(gconstpointer a, gconstpointer b) +void MainWindow::on_add_view(const QString &title, views::ViewType type, + Session *session) { - return strcmp(((const srd_decoder*)a)->name, - ((const srd_decoder*)b)->name); + // We get a pointer and need a reference + for (shared_ptr& s : sessions_) + if (s.get() == session) + add_view(title, type, *s); } -void MainWindow::setup_add_decoders(QMenu *parent) +void MainWindow::on_focus_changed() { - GSList *l = g_slist_sort(g_slist_copy( - (GSList*)srd_decoder_list()), decoder_name_cmp); - while ((l = l->next)) { - QAction *const action = parent->addAction(QString( - ((srd_decoder*)l->data)->name)); - action->setData(qVariantFromValue(l->data)); - _decoders_add_mapper.setMapping(action, action); - connect(action, SIGNAL(triggered()), - &_decoders_add_mapper, SLOT(map())); + shared_ptr view = get_active_view(); + + if (view) { + for (shared_ptr session : sessions_) { + if (session->has_view(view)) { + if (session != last_focused_session_) { + // Activate correct tab if necessary + shared_ptr tab_session = get_tab_session( + session_selector_.currentIndex()); + if (tab_session != session) + session_selector_.setCurrentWidget( + session_windows_.at(session)); + + on_focused_session_changed(session); + } + + break; + } + } } - g_slist_free(l); + + if (sessions_.empty()) + setWindowTitle(WindowTitle); } -void MainWindow::on_actionOpen_triggered() +void MainWindow::on_focused_session_changed(shared_ptr session) { - // Enumerate the file formats - QString filters(tr("Sigrok Sessions (*.sr)")); - filters.append(tr(";;All Files (*.*)")); + last_focused_session_ = session; + + setWindowTitle(session->name() + " - " + WindowTitle); - // Show the dialog - const QString file_name = QFileDialog::getOpenFileName( - this, tr("Open File"), "", filters); - if (!file_name.isEmpty()) - load_file(file_name); + // Update the state of the run/stop button, too + on_capture_state_changed(session.get()); } -void MainWindow::on_actionConnect_triggered() +void MainWindow::on_new_session_clicked() { - // Stop any currently running capture session - _session.stop_capture(); + add_session(); +} - dialogs::Connect dlg(this, _device_manager); +void MainWindow::on_run_stop_clicked() +{ + shared_ptr session = last_focused_session_; - // If the user selected a device, select it in the device list. Select the - // current device otherwise. - struct sr_dev_inst *const sdi = dlg.exec() ? - dlg.get_selected_device() : _session.get_device(); + if (!session) + return; - update_device_list(sdi); + switch (session->get_capture_state()) { + case Session::Stopped: + session->start_capture([&](QString message) { + show_session_error("Capture failed", message); }); + break; + case Session::AwaitingTrigger: + case Session::Running: + session->stop_capture(); + break; + } } -void MainWindow::on_actionQuit_triggered() +void MainWindow::on_settings_clicked() { - close(); + dialogs::Settings dlg(device_manager_); + dlg.exec(); } -void MainWindow::on_actionViewZoomIn_triggered() +void MainWindow::on_session_name_changed() { - _view->zoom(1); + // Update the corresponding dock widget's name(s) + Session *session = qobject_cast(QObject::sender()); + assert(session); + + for (const shared_ptr& view : session->views()) { + // Get the dock that contains the view + for (auto& entry : view_docks_) + if (entry.second == view) { + entry.first->setObjectName(session->name()); + entry.first->setWindowTitle(session->name()); + } + } + + // Update the tab widget by finding the main window and the tab from that + for (auto& entry : session_windows_) + if (entry.first.get() == session) { + QMainWindow *window = entry.second; + const int index = session_selector_.indexOf(window); + session_selector_.setTabText(index, session->name()); + } + + // Refresh window title if the affected session has focus + if (session == last_focused_session_.get()) + setWindowTitle(session->name() + " - " + WindowTitle); } -void MainWindow::on_actionViewZoomOut_triggered() +void MainWindow::on_capture_state_changed(QObject *obj) { - _view->zoom(-1); + Session *caller = qobject_cast(obj); + + // Ignore if caller is not the currently focused session + // unless there is only one session + if ((sessions_.size() > 1) && (caller != last_focused_session_.get())) + return; + + int state = caller->get_capture_state(); + + const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; + run_stop_button_->setIcon(*icons[state]); + run_stop_button_->setText((state == pv::Session::Stopped) ? + tr("Run") : tr("Stop")); } -void MainWindow::on_actionViewShowCursors_triggered() +void MainWindow::on_new_view(Session *session) { - assert(_view); + // We get a pointer and need a reference + for (shared_ptr& s : sessions_) + if (s.get() == session) + add_view(session->name(), views::ViewTypeTrace, *s); +} - const bool show = !_view->cursors_shown(); - if(show) - _view->centre_cursors(); +void MainWindow::on_view_close_clicked() +{ + // Find the dock widget that contains the close button that was clicked + QObject *w = QObject::sender(); + QDockWidget *dock = nullptr; + + while (w) { + dock = qobject_cast(w); + if (dock) + break; + w = w->parent(); + } - _view->show_cursors(show); + // Get the view contained in the dock widget + shared_ptr view; + + for (auto& entry : view_docks_) + if (entry.first == dock) + view = entry.second; + + // Deregister the view + for (shared_ptr session : sessions_) { + if (!session->has_view(view)) + continue; + + // Also destroy the entire session if its main view is closing... + if (view == session->main_view()) { + // ...but only if data is saved or the user confirms closing + if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), + tr("This session contains unsaved data. Close it anyway?"), + QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) + remove_session(session); + break; + } else + // All other views can be closed at any time as no data will be lost + remove_view(view); + } } -void MainWindow::on_actionAbout_triggered() +void MainWindow::on_tab_changed(int index) { - dialogs::About dlg(this); - dlg.exec(); + shared_ptr session = get_tab_session(index); + + if (session) + on_focused_session_changed(session); } -void MainWindow::device_selected() +void MainWindow::on_tab_close_requested(int index) { - _session.set_device(_sampling_bar->get_selected_device()); + shared_ptr session = get_tab_session(index); + + if (!session) + return; + + if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"), + tr("This session contains unsaved data. Close it anyway?"), + QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)) + remove_session(session); } -void MainWindow::add_decoder(QObject *action) +void MainWindow::on_show_decoder_selector(Session *session) { - assert(action); - srd_decoder *const dec = - (srd_decoder*)((QAction*)action)->data().value(); - assert(dec); + // Close dock widget if it's already showing and return + for (auto entry : sub_windows_) { + QDockWidget* dock = entry.first; + if (dynamic_pointer_cast(entry.second)) { + sub_windows_.erase(dock); + dock->close(); + return; + } + } - const std::vector< boost::shared_ptr > &sigs = - _session.get_signals(); + // We get a pointer and need a reference + for (shared_ptr s : sessions_) + if (s.get() == session) + add_subwindow(subwindows::SubWindowTypeDecoderSelector, *s); +} - dialogs::Decoder dlg(this, dec, sigs); - if(dlg.exec() != QDialog::Accepted) - return; +void MainWindow::on_sub_window_close_clicked() +{ + // Find the dock widget that contains the close button that was clicked + QObject *w = QObject::sender(); + QDockWidget *dock = nullptr; + + while (w) { + dock = qobject_cast(w); + if (dock) + break; + w = w->parent(); + } - _session.add_decoder(dec); + sub_windows_.erase(dock); + dock->close(); } -void MainWindow::run_stop() +void MainWindow::on_view_colored_bg_shortcut() { - switch(_session.get_capture_state()) { - case SigSession::Stopped: - _session.start_capture(_sampling_bar->get_record_length(), - boost::bind(&MainWindow::session_error, this, - QString("Capture failed"), _1)); - break; + GlobalSettings settings; - case SigSession::AwaitingTrigger: - case SigSession::Running: - _session.stop_capture(); - break; + bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool(); + settings.setValue(GlobalSettings::Key_View_ColoredBG, !state); +} + +void MainWindow::on_view_sticky_scrolling_shortcut() +{ + GlobalSettings settings; + + bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool(); + settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state); +} + +void MainWindow::on_view_show_sampling_points_shortcut() +{ + GlobalSettings settings; + + bool state = settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool(); + settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state); +} + +void MainWindow::on_view_show_analog_minor_grid_shortcut() +{ + GlobalSettings settings; + + bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool(); + settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state); +} + +void MainWindow::on_settingViewColoredBg_changed(const QVariant new_value) +{ + bool state = new_value.toBool(); + + for (auto& entry : view_docks_) { + shared_ptr viewbase = entry.second; + + // Only trace views have this setting + views::trace::View* view = + qobject_cast(viewbase.get()); + if (view) + view->enable_colored_bg(state); } } -void MainWindow::capture_state_changed(int state) +void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_value) { - _sampling_bar->set_capture_state((pv::SigSession::capture_state)state); + bool state = new_value.toBool(); + + for (auto& entry : view_docks_) { + shared_ptr viewbase = entry.second; + + // Only trace views have this setting + views::trace::View* view = + qobject_cast(viewbase.get()); + if (view) + view->enable_show_sampling_points(state); + } +} + +void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value) +{ + bool state = new_value.toBool(); + + for (auto& entry : view_docks_) { + shared_ptr viewbase = entry.second; + + // Only trace views have this setting + views::trace::View* view = + qobject_cast(viewbase.get()); + if (view) + view->enable_show_analog_minor_grid(state); + } } -void MainWindow::view_selection_changed() +void MainWindow::on_close_current_tab() { - assert(_context_bar); + int tab = session_selector_.currentIndex(); - const list > items( - _view->selected_items()); - _context_bar->set_selected_items(items); + on_tab_close_requested(tab); } } // namespace pv