Add the expanded signal to ExpandableRadioButton.

src/modules/partition/gui/ExpandableRadioButton.cpp

@@ -61,7 +61,11 @@ ExpandableRadioButton::setExpandableWidget( QWidget* widget )
     updateGeometry();
 
     connect( m_radio, &QRadioButton::toggled,
-             m_expandableWidget, &QWidget::setVisible );
+             this, [this]( bool visible )
+    {
+        m_expandableWidget->setVisible( visible );
+        emit expanded( visible );
+    } );
 }
 
 

src/modules/partition/gui/ExpandableRadioButton.h

@@ -36,6 +36,9 @@ public:
     void setExpandableWidget( QWidget* widget );
     QWidget* expandableWidget() const;
 
+signals:
+    void expanded( bool );
+
 private:
     QWidget* m_expandableWidget;
     bool m_expanded;