+void MainWindow::on_run_stop_clicked()
+{
+ shared_ptr<Session> session = last_focused_session_;
+
+ if (!session)
+ return;
+
+ 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;
+ }
+}
+