From Romain Charbit, "added a getConnectedSelections(Dragger&) method, so we can get which selections are connected to a dragger without make our own multimap, copying the existing _draggerSelectionMap (which is protected with no accessors) ."

include/osgManipulator/CommandManager

@@ -47,6 +47,9 @@ class OSGMANIPULATOR_EXPORT CommandManager : public osg::Referenced
         /** Add all selections connected to the dragger to the command. */
         void addSelectionsToCommand(MotionCommand& command, Dragger& dragger);
 
+        /** Returns the selections connected to the dragger */
+        std::list< osg::ref_ptr<Selection> > getConnectedSelections(Dragger& dragger);
+
     protected:
 
         virtual ~CommandManager();

src/osgManipulator/CommandManager.cpp

@@ -122,3 +122,24 @@ void CommandManager::addSelectionsToCommand(MotionCommand& command, Dragger& dra
         }
     }
 }
+
+
+std::list< osg::ref_ptr<Selection> > CommandManager::getConnectedSelections(Dragger& dragger)
+{
+    std::list< osg::ref_ptr<Selection> > selections = std::list< osg::ref_ptr<Selection> >();
+
+    //Test if the dragger is in the list
+    if (_draggerSelectionMap.count(&dragger) > 0)
+    {
+        //Get the iterator range on key 'dragger'
+        std::pair<DraggerSelectionMap::iterator,DraggerSelectionMap::iterator> draggerRange = _draggerSelectionMap.equal_range(&dragger);
+        for (DraggerSelectionMap::iterator selectionsIterator = draggerRange.first;
+           selectionsIterator != draggerRange.second;
+           ++selectionsIterator)
+        {
+            //Push in the list all selections connected with the dragger
+            selections.push_back((*selectionsIterator).second);
+        }
+    }
+    return selections;
+}