Index: sources/gui/qml/pages/treatment/TreatmentSection.qml
===================================================================
diff -u -r93b7d7da5dea9e0392e139b59117eb0315d6c343 -r6c3a4b048006ebd90c85cfa943d2b9615dc808f3
--- sources/gui/qml/pages/treatment/TreatmentSection.qml	(.../TreatmentSection.qml)	(revision 93b7d7da5dea9e0392e139b59117eb0315d6c343)
+++ sources/gui/qml/pages/treatment/TreatmentSection.qml	(.../TreatmentSection.qml)	(revision 6c3a4b048006ebd90c85cfa943d2b9615dc808f3)
@@ -26,15 +26,17 @@
     property alias contentArea  : _contentArea
     property bool enableDropShadow: true
 
-    signal editClicked
-    signal lockClicked
+    signal editClicked()
+    signal lockClicked()
+    signal expandingClicked()
 
     color: Colors.treatmentSectionMain
     radius: 15
 
     TreatmentSectionHeader { id: _header
-            onEditClicked   : _root.editClicked()
-            onLockClicked   : _root.lockClicked()
+            onEditClicked       : _root.editClicked()
+            onLockClicked       : _root.lockClicked()
+            onExpandingClicked  : _root.expandingClicked()
     }
 
     ContentArea { id : _contentArea