Index: src/sas/qtgui/MainWindow/UI/DataExplorerUI.ui
===================================================================
--- src/sas/qtgui/MainWindow/UI/DataExplorerUI.ui	(revision cd2cc7458970e179039a783e9409f48c4c1fca0d)
+++ src/sas/qtgui/MainWindow/UI/DataExplorerUI.ui	(revision 61a92d4c3e2e9b0410555517d59b1e8503c98ff4)
@@ -7,5 +7,5 @@
     <x>0</x>
     <y>0</y>
-    <width>405</width>
+    <width>501</width>
     <height>630</height>
    </rect>
@@ -133,5 +133,5 @@
         </layout>
        </item>
-       <item row="0" column="1">
+       <item row="0" column="1" colspan="2">
         <spacer name="horizontalSpacer_7">
          <property name="orientation">
@@ -146,5 +146,36 @@
         </spacer>
        </item>
-       <item row="2" column="0">
+       <item row="1" column="0" colspan="3">
+        <widget class="QTreeView" name="treeView">
+         <property name="contextMenuPolicy">
+          <enum>Qt::NoContextMenu</enum>
+         </property>
+         <property name="acceptDrops">
+          <bool>true</bool>
+         </property>
+         <property name="editTriggers">
+          <set>QAbstractItemView::NoEditTriggers</set>
+         </property>
+         <property name="dragEnabled">
+          <bool>true</bool>
+         </property>
+         <property name="dragDropOverwriteMode">
+          <bool>true</bool>
+         </property>
+         <property name="dragDropMode">
+          <enum>QAbstractItemView::DropOnly</enum>
+         </property>
+         <property name="defaultDropAction">
+          <enum>Qt::CopyAction</enum>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::ExtendedSelection</enum>
+         </property>
+         <attribute name="headerVisible">
+          <bool>false</bool>
+         </attribute>
+        </widget>
+       </item>
+       <item row="2" column="0" colspan="2">
         <layout class="QGridLayout" name="gridLayout_2">
          <item row="0" column="0" rowspan="2">
@@ -197,9 +228,14 @@
           <widget class="QComboBox" name="cbFitting">
            <property name="sizePolicy">
-            <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+            <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
+           <property name="font">
+            <font>
+             <pointsize>12</pointsize>
+            </font>
+           </property>
            <property name="sizeAdjustPolicy">
             <enum>QComboBox::AdjustToContents</enum>
@@ -231,34 +267,16 @@
         </layout>
        </item>
-       <item row="1" column="0" colspan="2">
-        <widget class="QTreeView" name="treeView">
-         <property name="contextMenuPolicy">
-          <enum>Qt::NoContextMenu</enum>
-         </property>
-         <property name="acceptDrops">
-          <bool>true</bool>
-         </property>
-         <property name="editTriggers">
-          <set>QAbstractItemView::NoEditTriggers</set>
-         </property>
-         <property name="dragEnabled">
-          <bool>true</bool>
-         </property>
-         <property name="dragDropOverwriteMode">
-          <bool>true</bool>
-         </property>
-         <property name="dragDropMode">
-          <enum>QAbstractItemView::DropOnly</enum>
-         </property>
-         <property name="defaultDropAction">
-          <enum>Qt::CopyAction</enum>
-         </property>
-         <property name="selectionMode">
-          <enum>QAbstractItemView::ExtendedSelection</enum>
-         </property>
-         <attribute name="headerVisible">
-          <bool>false</bool>
-         </attribute>
-        </widget>
+       <item row="2" column="2">
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>160</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
        </item>
       </layout>
