Fix #1448 by using different captions for the Run button

[pulseview.git] / pv / mainwindow.cpp

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 799f10d4b7c3bb7d3f8ccabd70e319df988ec990..c5387beb0a21b0ed943324b926cb093b77b48a3f 100644 (file)
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -332,6 +332,8 @@ shared_ptr<Session> MainWindow::add_session()
                this, SLOT(on_add_view(views::ViewType, Session*)));
        connect(session.get(), SIGNAL(name_changed()),
                this, SLOT(on_session_name_changed()));
+       connect(session.get(), SIGNAL(device_changed()),
+               this, SLOT(on_session_device_changed()));
        session_state_mapper_.setMapping(session.get(), session.get());
        connect(session.get(), SIGNAL(capture_state_changed(int)),
                &session_state_mapper_, SLOT(map()));
@@ -566,6 +568,19 @@ void MainWindow::setup_ui()
                this, SLOT(on_focus_changed()));
 }
 
+void MainWindow::update_acq_button(Session *session)
+{
+       int state = session->get_capture_state();
+
+       const QString run_caption =
+               session->using_file_device() ? tr("Reload") : tr("Run");
+
+       const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
+       run_stop_button_->setIcon(*icons[state]);
+       run_stop_button_->setText((state == pv::Session::Stopped) ?
+               run_caption : tr("Stop"));
+}
+
 void MainWindow::save_ui_settings()
 {
        QSettings settings;
@@ -739,6 +754,19 @@ void MainWindow::on_session_name_changed()
                setWindowTitle(session->name() + " - " + WindowTitle);
 }
 
+void MainWindow::on_session_device_changed()
+{
+       Session *session = qobject_cast<Session*>(QObject::sender());
+       assert(session);
+
+       // Ignore if caller is not the currently focused session
+       // unless there is only one session
+       if ((sessions_.size() > 1) && (session != last_focused_session_.get()))
+               return;
+
+       update_acq_button(session);
+}
+
 void MainWindow::on_capture_state_changed(QObject *obj)
 {
        Session *caller = qobject_cast<Session*>(obj);
@@ -748,12 +776,7 @@ void MainWindow::on_capture_state_changed(QObject *obj)
        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"));
+       update_acq_button(caller);
 }
 
 void MainWindow::on_new_view(Session *session, int view_type)