+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()
+{
+ assert(_sampling_bar);
+
+ shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
+ list< shared_ptr<device::DevInst> > devices;
+ std::copy(_device_manager.devices().begin(),
+ _device_manager.devices().end(), std::back_inserter(devices));
+
+ if (std::find(devices.begin(), devices.end(), selected_device) ==
+ devices.end())
+ devices.push_back(selected_device);
+ assert(selected_device);
+
+ _sampling_bar->set_device_list(devices, selected_device);
+}
+
+void MainWindow::load_file(QString file_name)
+{
+ const QString errorMessage(
+ QString("Failed to load file %1").arg(file_name));
+ const QString infoMessage;
+
+ try {
+ _session.set_file(file_name.toStdString());
+ } catch(QString e) {
+ show_session_error(tr("Failed to load ") + file_name, e);
+ _session.set_default_device();
+ update_device_list();
+ return;
+ }
+
+ update_device_list();
+
+ _session.start_capture(boost::bind(&MainWindow::session_error, this,
+ errorMessage, infoMessage));
+}
+
+void MainWindow::show_session_error(
+ const QString text, const QString info_text)
+{
+ QMessageBox msg(this);
+ msg.setText(text);
+ msg.setInformativeText(info_text);
+ msg.setStandardButtons(QMessageBox::Ok);
+ msg.setIcon(QMessageBox::Warning);
+ msg.exec();
+}
+