Some minor changes in the instance model and control

data/instancemodel.cpp

@@ -143,12 +143,9 @@ QVariant InstanceModel::data ( const QModelIndex& index, int role ) const
 	if (!index.isValid())
 		return QVariant();
 
-	if (role != Qt::DisplayRole)
-		return QVariant();
-
 	InstanceModelItem *item = static_cast<InstanceModelItem*>(index.internalPointer());
 
-	return item->data(index.column());
+	return item->data(role);
 }
 
 QModelIndex InstanceModel::index ( int row, int column, const QModelIndex& parent ) const

gui/mainwindow.ui

@@ -34,7 +34,17 @@
      <number>0</number>
     </property>
     <item>
-     <widget class="QTreeView" name="instanceView"/>
+     <widget class="QTreeView" name="instanceView">
+      <property name="animated">
+       <bool>true</bool>
+      </property>
+      <property name="allColumnsShowFocus">
+       <bool>true</bool>
+      </property>
+      <attribute name="headerVisible">
+       <bool>false</bool>
+      </attribute>
+     </widget>
     </item>
    </layout>
   </widget>