+void MainWindow::add_session_with_file(string open_file_name,
+ string open_file_format)
+{
+ shared_ptr<Session> 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> 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<devices::HardwareDevice> user_device, other_device, demo_device;
+ for (shared_ptr<devices::HardwareDevice> 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> session : sessions_) {
+ // Ignore sessions using the demo device or no device at all
+ if (session->device()) {
+ shared_ptr<devices::HardwareDevice> 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> session = add_session();
+ session->restore_settings(settings);
+ settings.endGroup();
+ }
+}
+