Apply http://opensimulator.org/mantis/view.php?id=3334

Send continuous touch() events if the left mouse button is held down while moving over an object
This conforms with Linden Lab practice
Thanks Revolution

OpenSim/Region/Framework/Scenes/EventManager.cs

@@ -104,6 +104,7 @@ namespace OpenSim.Region.Framework.Scenes
         public event OnSetRootAgentSceneDelegate OnSetRootAgentScene;
 
         public event ObjectGrabDelegate OnObjectGrab;
+        public event ObjectGrabDelegate OnObjectGrabbing;
         public event ObjectDeGrabDelegate OnObjectDeGrab;
         public event ScriptResetDelegate OnScriptReset;
 
@@ -408,6 +409,7 @@ namespace OpenSim.Region.Framework.Scenes
         private OnParcelPrimCountAddDelegate handlerParcelPrimCountAdd = null; //OnParcelPrimCountAdd;
         private OnShutdownDelegate handlerShutdown = null; //OnShutdown;
         private ObjectGrabDelegate handlerObjectGrab = null; //OnObjectGrab;
+        private ObjectGrabDelegate handlerObjectGrabbing = null; //OnObjectGrabbing;
         private ObjectDeGrabDelegate handlerObjectDeGrab = null; //OnObjectDeGrab;
         private ScriptResetDelegate handlerScriptReset = null; // OnScriptReset
         private NewRezScript handlerRezScript = null; //OnRezScript;
@@ -620,6 +622,15 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public void TriggerObjectGrabbing(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
+        {
+            handlerObjectGrabbing = OnObjectGrabbing;
+            if (handlerObjectGrabbing != null)
+            {
+                handlerObjectGrabbing(localID, originalID, offsetPos, remoteClient, surfaceArgs);
+            }
+         }
+
         public void TriggerObjectDeGrab(uint localID, uint originalID, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             handlerObjectDeGrab = OnObjectDeGrab;

OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs

@@ -292,6 +292,46 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public virtual void ProcessObjectGrabUpdate(UUID objectID, Vector3 offset, Vector3 pos, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
+        {
+            List<EntityBase> EntityList = GetEntities();
+
+            SurfaceTouchEventArgs surfaceArg = null;
+            if (surfaceArgs != null && surfaceArgs.Count > 0)
+                surfaceArg = surfaceArgs[0];
+
+            foreach (EntityBase ent in EntityList)
+            {
+                if (ent is SceneObjectGroup)
+                {
+                    SceneObjectGroup obj = ent as SceneObjectGroup;
+                    if (obj != null)
+                    {
+                        // Is this prim part of the group
+                        if (obj.HasChildPrim(objectID))
+                        {
+                            SceneObjectPart part = obj.GetChildPart(objectID);
+
+                            // If the touched prim handles touches, deliver it
+                            // If not, deliver to root prim
+                            if ((part.ScriptEvents & scriptEvents.touch) != 0)
+                                EventManager.TriggerObjectGrabbing(part.LocalId, 0, part.OffsetPosition, remoteClient, surfaceArg);
+                            // Deliver to the root prim if the touched prim doesn't handle touches
+                            // or if we're meant to pass on touches anyway. Don't send to root prim
+                            // if prim touched is the root prim as we just did it
+                            if (((part.ScriptEvents & scriptEvents.touch) == 0) ||
+                                (part.PassTouches && (part.LocalId != obj.RootPart.LocalId)))
+                            {
+                                EventManager.TriggerObjectGrabbing(obj.RootPart.LocalId, part.LocalId, part.OffsetPosition, remoteClient, surfaceArg);
+                            }
+
+                            return;
+                        }
+                    }
+                }
+            }
+         }
+
         public virtual void ProcessObjectDeGrab(uint localID, IClientAPI remoteClient, List<SurfaceTouchEventArgs> surfaceArgs)
         {
             List<EntityBase> EntityList = GetEntities();

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -2675,6 +2675,7 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnRequestObjectPropertiesFamily += m_sceneGraph.RequestObjectPropertiesFamily;
             client.OnObjectPermissions += HandleObjectPermissionsUpdate;
             client.OnGrabObject += ProcessObjectGrab;
+            client.OnGrabUpdate += ProcessObjectGrabUpdate; 
             client.OnDeGrabObject += ProcessObjectDeGrab;
             client.OnUndo += m_sceneGraph.HandleUndo;
             client.OnObjectDescription += m_sceneGraph.PrimDescription;

OpenSim/Region/ScriptEngine/XEngine/EventManager.cs

@@ -55,6 +55,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             m_log.Info("[XEngine] Hooking up to server events");
             myScriptEngine.World.EventManager.OnAttach += attach;
             myScriptEngine.World.EventManager.OnObjectGrab += touch_start;
+            myScriptEngine.World.EventManager.OnObjectGrabbing += touch;
             myScriptEngine.World.EventManager.OnObjectDeGrab += touch_end;
             myScriptEngine.World.EventManager.OnScriptChangedEvent += changed;
             myScriptEngine.World.EventManager.OnScriptAtTargetEvent += at_target;
@@ -148,7 +149,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
         }
 
         public void touch(uint localID, uint originalID, Vector3 offsetPos,
-                IClientAPI remoteClient)
+                IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs)
         {
             // Add to queue for all scripts in ObjectID object
             DetectParams[] det = new DetectParams[1];
@@ -172,6 +173,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 SceneObjectPart originalPart = myScriptEngine.World.GetSceneObjectPart(originalID);
                 det[0].LinkNum = originalPart.LinkNum;
             }
+            if (surfaceArgs != null)
+            {
+                det[0].SurfaceTouchArgs = surfaceArgs;
+            }
 
             myScriptEngine.PostObjectEvent(localID, new EventParams(
                     "touch", new Object[] { new LSL_Types.LSLInteger(1) },