Index: sources/gui/qml/pages/treatment/TreatmentSectionHeader.qml
===================================================================
diff -u -rec9c06478bddf4cadf546aa4a49bb18b224f3b50 -r14ee49239b77b31d381cdae0233e2467527018d8
--- sources/gui/qml/pages/treatment/TreatmentSectionHeader.qml	(.../TreatmentSectionHeader.qml)	(revision ec9c06478bddf4cadf546aa4a49bb18b224f3b50)
+++ sources/gui/qml/pages/treatment/TreatmentSectionHeader.qml	(.../TreatmentSectionHeader.qml)	(revision 14ee49239b77b31d381cdae0233e2467527018d8)
@@ -24,11 +24,14 @@
     property bool editEnabled   : true
     property bool showLock      : false
     property bool showEdit      : true
+    property bool showExpanding : false
+
     property int titleLeftMargin: Variables.defaultMargin * 2
     property bool setEditActive : true // set to disable edit no matter what
 
-    signal editClicked
-    signal lockClicked
+    signal editClicked()
+    signal lockClicked()
+    signal expandingClicked()
 
     color       : Colors.treatmentSectionHeader
     height      : Variables.contentHeight + (Variables.defaultMargin * 2)
@@ -58,31 +61,35 @@
         color: Colors.textTextRectLabel
     }
 
-    IconButton { id  : _lockButton
+    Row { id: _buttonRow
+        spacing             : Variables.defaultMargin * 2
         anchors {
             verticalCenter  : _title.verticalCenter
-            right           : _editButton.left
-            rightMargin     : Variables.defaultMargin * 2
+            right           : parent.right
+            rightMargin     :  Variables.defaultMargin * 2
         }
 
-        visible             : showLock
-        iconImageSource     : editEnabled ? "qrc:/images/iUnlock" : "qrc:/images/iLock"
-        onPressed           :  {
-            editEnabled = ! editEnabled
-            _root.lockClicked()
+        ArrowButton {id : _expandingArrows
+            iconSize        : Variables.iconButtonSize
+            visible         : showExpanding
+            expandingArrow  : true
+            onClicked       : _root.expandingClicked()
         }
-    }
 
-    IconButton { id  : _editButton
-        anchors {
-            verticalCenter  : _title.verticalCenter
-            right           : parent.right
-            rightMargin     :  Variables.defaultMargin * 2
+        IconButton { id  : _lockButton
+            visible             : showLock
+            iconImageSource     : editEnabled ? "qrc:/images/iUnlock" : "qrc:/images/iLock"
+            onPressed           :  {
+                editEnabled = ! editEnabled
+                _root.lockClicked()
+            }
         }
 
-        visible         : showEdit
-        enabled         : editEnabled && _root.setEditActive
-        iconImageSource : enabled ? "qrc:/images/iEdit" : "qrc:/images/iEditDisabled"
-        onPressed       : _root.editClicked()
+        IconButton { id  : _editButton
+            visible         : showEdit
+            enabled         : editEnabled && _root.setEditActive
+            iconImageSource : enabled ? "qrc:/images/iEdit" : "qrc:/images/iEditDisabled"
+            onPressed       : _root.editClicked()
+        }
     }
 }