+void MainWindow::on_capture_state_changed(QObject *obj)
+{
+ Session *caller = qobject_cast<Session*>(obj);
+
+ // Ignore if caller is not the currently focused session
+ // unless there is only one session
+ if (sessions_.size() > 1) {
+ Session &focused_session = get_active_view()->session();
+
+ if (caller != &focused_session)
+ 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"));
+}
+