# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1557502488 -7200
# Node ID f0008c55e5f7e4e3b8a1799b29149cb64fe26922
# Parent  7ca8dc7ec17b23c32c7a68e6c679c21c25cc4e16
getting rid of MessageType enumeration

diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Layers/DicomSeriesVolumeSlicer.h
--- a/Framework/Layers/DicomSeriesVolumeSlicer.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Layers/DicomSeriesVolumeSlicer.h	Fri May 10 17:34:48 2019 +0200
@@ -38,8 +38,10 @@
   {
   public:
     // TODO: Add "frame" and "instanceId"
-    class FrameReadyMessage : public OriginMessage<MessageType_DicomSeriesVolumeSlicer_FrameReady, DicomSeriesVolumeSlicer>
+    class FrameReadyMessage : public OriginMessage<DicomSeriesVolumeSlicer>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       const Orthanc::ImageAccessor&  frame_;
       SliceImageQuality              imageQuality_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Layers/IVolumeSlicer.h
--- a/Framework/Layers/IVolumeSlicer.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Layers/IVolumeSlicer.h	Fri May 10 17:34:48 2019 +0200
@@ -33,18 +33,20 @@
   class IVolumeSlicer : public IObservable
   {
   public:
-    typedef OriginMessage<MessageType_VolumeSlicer_GeometryReady, IVolumeSlicer>  GeometryReadyMessage;
-    typedef OriginMessage<MessageType_VolumeSlicer_GeometryError, IVolumeSlicer>  GeometryErrorMessage;
-    typedef OriginMessage<MessageType_VolumeSlicer_ContentChanged, IVolumeSlicer> ContentChangedMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryReadyMessage, IVolumeSlicer);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryErrorMessage, IVolumeSlicer);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ContentChangedMessage, IVolumeSlicer);
 
-    class SliceContentChangedMessage : public OriginMessage<MessageType_VolumeSlicer_SliceChanged, IVolumeSlicer>
+    class SliceContentChangedMessage : public OriginMessage<IVolumeSlicer>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       const Slice& slice_;
 
     public:
       SliceContentChangedMessage(IVolumeSlicer& origin,
-                          const Slice& slice) :
+                                 const Slice& slice) :
         OriginMessage(origin),
         slice_(slice)
       {
@@ -57,8 +59,10 @@
     };
     
 
-    class LayerReadyMessage : public OriginMessage<MessageType_VolumeSlicer_LayerReady, IVolumeSlicer>
+    class LayerReadyMessage : public OriginMessage<IVolumeSlicer>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     public:
       class IRendererFactory : public boost::noncopyable
       {
@@ -96,8 +100,10 @@
     };
 
 
-    class LayerErrorMessage : public OriginMessage<MessageType_VolumeSlicer_LayerError, IVolumeSlicer>
+    class LayerErrorMessage : public OriginMessage<IVolumeSlicer>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       const CoordinateSystem3D&  slice_;
 
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Messages/ICallable.h
--- a/Framework/Messages/ICallable.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Messages/ICallable.h	Fri May 10 17:34:48 2019 +0200
@@ -41,7 +41,8 @@
 
     virtual void Apply(const IMessage& message) = 0;
 
-    virtual MessageType GetMessageType() const = 0;
+    virtual const MessageIdentifier& GetMessageIdentifier() = 0;
+
     virtual IObserver* GetObserver() const = 0;
   };
 
@@ -58,8 +59,8 @@
   private:
     typedef void (TObserver::* MemberFunction) (const TMessage&);
 
-    TObserver&      observer_;
-    MemberFunction  function_;
+    TObserver&         observer_;
+    MemberFunction     function_;
 
   public:
     Callable(TObserver& observer,
@@ -79,9 +80,9 @@
       ApplyInternal(dynamic_cast<const TMessage&>(message));
     }
 
-    virtual MessageType GetMessageType() const
+    virtual const MessageIdentifier& GetMessageIdentifier()
     {
-      return static_cast<MessageType>(TMessage::Type);
+      return TMessage::GetStaticIdentifier();
     }
 
     virtual IObserver* GetObserver() const
@@ -115,11 +116,6 @@
       lambda_(dynamic_cast<const TMessage&>(message));
     }
 
-    virtual MessageType GetMessageType() const
-    {
-      return static_cast<MessageType>(TMessage::Type);
-    }
-
     virtual IObserver* GetObserver() const
     {
       return &observer_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Messages/IMessage.h
--- a/Framework/Messages/IMessage.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Messages/IMessage.h	Fri May 10 17:34:48 2019 +0200
@@ -21,79 +21,79 @@
 
 #pragma once
 
-#include "../StoneEnumerations.h"
+#include <boost/noncopyable.hpp>
 
-#include <boost/noncopyable.hpp>
+#include <string.h>
 
 namespace OrthancStone 
 {
-  // base message that are exchanged between IObservable and IObserver
-  class IMessage : public boost::noncopyable
+  class MessageIdentifier
   {
   private:
-    MessageType messageType_;
-    
-  protected:
-    IMessage(MessageType messageType) :
-      messageType_(messageType)
+    const char*  file_;
+    int          line_;
+
+  public:
+    MessageIdentifier(const char* file,
+                      int line) :
+      file_(file),
+      line_(line)
+    {
+    }
+
+    MessageIdentifier() :
+      file_(NULL),
+      line_(0)
     {
     }
+
+    bool operator< (const MessageIdentifier& other) const
+    {
+      if (file_ == NULL)
+      {
+        return false;
+      }
+      else if (line_ != other.line_)
+      {
+        return line_ < other.line_;
+      }
+      else
+      {
+        return strcmp(file_, other.file_) < 0;
+      }
+    }
+  };
+
     
+  /**
+   * Base messages that are exchanged between IObservable and
+   * IObserver. Messages are distinguished by the "__FILE__" and
+   * "__LINE__" macro, as in "Orthanc::SQLite::StatementId".
+   **/
+  class IMessage : public boost::noncopyable
+  {
   public:
     virtual ~IMessage()
     {
     }
 
-    virtual MessageType GetType() const
-    {
-      return messageType_;
-    }
+    virtual const MessageIdentifier& GetIdentifier() const = 0;
   };
 
 
-  // base class to derive from to implement your own messages
-  // it handles the message type for you
-  template <MessageType type>
-  class BaseMessage : public IMessage
-  {
-  public:
-    enum
-    {
-      Type = type
-    };
-
-    BaseMessage() :
-      IMessage(static_cast<MessageType>(Type))
-    {
-    }
-  };
-  
-
-  // simple message implementation when no payload is needed
-  // sample usage:
-  // typedef NoPayloadMessage<MessageType_VolumeSlicer_GeometryReady> GeometryReadyMessage;
-  template <MessageType type>
-  class NoPayloadMessage : public BaseMessage<type>
-  {
-  public:
-    NoPayloadMessage() :
-      BaseMessage<type>()
-    {
-    }
-  };
-
-  // simple message implementation when no payload is needed but the origin is required
-  // sample usage:
-  // typedef OriginMessage<MessageType_SliceLoader_GeometryError, OrthancSlicesLoader> SliceGeometryErrorMessage;
-  template <MessageType type, typename TOrigin>
-  class OriginMessage : public BaseMessage<type>
+  /**
+   * Simple message implementation when no payload is needed but the
+   * origin is required. Sample usage:
+   * typedef OriginMessage<OrthancSlicesLoader> SliceGeometryErrorMessage;
+   **/
+  template <typename TOrigin>
+  class OriginMessage : public IMessage
   {
   private:
-    const TOrigin& origin_;
+    const TOrigin&  origin_;
 
   public:
     OriginMessage(const TOrigin& origin) :
-      BaseMessage<type>(),
       origin_(origin)
     {
     }
@@ -104,3 +104,36 @@
     }
   };
 }
+
+
+#define ORTHANC_STONE_MESSAGE(FILE, LINE)                               \
+  public:                                                               \
+  static const ::OrthancStone::MessageIdentifier& GetStaticIdentifier() \
+  {                                                                     \
+    static const ::OrthancStone::MessageIdentifier id(FILE, LINE);      \
+    return id;                                                          \
+  }                                                                     \
+                                                                        \
+  virtual const ::OrthancStone::MessageIdentifier& GetIdentifier() const \
+  {                                                                     \
+    return GetStaticIdentifier();                                       \
+  }
+
+
+#define ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(FILE, LINE, NAME, ORIGIN)   \
+  class NAME : public ::OrthancStone::OriginMessage<ORIGIN>             \
+  {                                                                     \
+    ORTHANC_STONE_MESSAGE(FILE, LINE);                                  \
+                                                                        \
+    NAME(const ORIGIN& origin) :                                        \
+      OriginMessage(origin)                                             \
+    {                                                                   \
+    }                                                                   \
+  };
+
+
+#define ORTHANC_STONE_DEFINE_EMPTY_MESSAGE(FILE, LINE, NAME)            \
+  class NAME : public ::OrthancStone::IMessage                          \
+  {                                                                     \
+    ORTHANC_STONE_MESSAGE(FILE, LINE);                                  \
+  };
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Messages/IObservable.cpp
--- a/Framework/Messages/IObservable.cpp	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Messages/IObservable.cpp	Fri May 10 17:34:48 2019 +0200
@@ -59,9 +59,8 @@
       throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
     }
     
-    MessageType messageType = callable->GetMessageType();
-
-    callables_[messageType].insert(callable);
+    const MessageIdentifier& id = callable->GetMessageIdentifier();
+    callables_[id].insert(callable);
   }
 
   void IObservable::Unregister(IObserver *observer)
@@ -87,7 +86,7 @@
   void IObservable::EmitMessageInternal(const IObserver* receiver,
                                         const IMessage& message)
   {
-    Callables::const_iterator found = callables_.find(message.GetType());
+    Callables::const_iterator found = callables_.find(message.GetIdentifier());
 
     if (found != callables_.end())
     {
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Messages/IObservable.h
--- a/Framework/Messages/IObservable.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Messages/IObservable.h	Fri May 10 17:34:48 2019 +0200
@@ -35,8 +35,9 @@
   class IObservable : public boost::noncopyable
   {
   private:
-    typedef std::map<int, std::set<ICallable*> >  Callables;
-    typedef std::set<IMessageForwarder*>          Forwarders;
+    typedef std::map<MessageIdentifier, std::set<ICallable*> >  Callables;
+
+    typedef std::set<IMessageForwarder*>     Forwarders;
 
     MessageBroker&  broker_;
     Callables       callables_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Radiography/RadiographyLayer.h
--- a/Framework/Radiography/RadiographyLayer.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Radiography/RadiographyLayer.h	Fri May 10 17:34:48 2019 +0200
@@ -55,18 +55,7 @@
     friend class RadiographyScene;
 
   public:
-    class LayerEditedMessage :
-        public OriginMessage<MessageType_RadiographyLayer_Edited, RadiographyLayer>
-    {
-    private:
-
-    public:
-      LayerEditedMessage(const RadiographyLayer& origin) :
-        OriginMessage(origin)
-      {
-      }
-    };
-
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, LayerEditedMessage, RadiographyLayer);
 
     class Geometry
     {
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Radiography/RadiographyScene.h
--- a/Framework/Radiography/RadiographyScene.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Radiography/RadiographyScene.h	Fri May 10 17:34:48 2019 +0200
@@ -37,9 +37,10 @@
       public IObservable
   {
   public:
-    class GeometryChangedMessage :
-        public OriginMessage<MessageType_RadiographyScene_GeometryChanged, RadiographyScene>
+    class GeometryChangedMessage : public OriginMessage<RadiographyScene>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       RadiographyLayer&        layer_;
 
@@ -57,9 +58,10 @@
       }
     };
 
-    class ContentChangedMessage :
-        public OriginMessage<MessageType_RadiographyScene_ContentChanged, RadiographyScene>
+    class ContentChangedMessage : public OriginMessage<RadiographyScene>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       RadiographyLayer&        layer_;
 
@@ -77,9 +79,10 @@
       }
     };
 
-    class LayerEditedMessage :
-        public OriginMessage<MessageType_RadiographyScene_LayerEdited, RadiographyScene>
+    class LayerEditedMessage : public OriginMessage<RadiographyScene>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const RadiographyLayer&        layer_;
 
@@ -95,20 +98,12 @@
       {
         return layer_;
       }
-
     };
 
-    class WindowingChangedMessage :
-        public OriginMessage<MessageType_RadiographyScene_WindowingChanged, RadiographyScene>
-    {
 
-    public:
-      WindowingChangedMessage(const RadiographyScene& origin) :
-        OriginMessage(origin)
-      {
-      }
-    };
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, WindowingChangedMessage, RadiographyScene);
 
+    
     class LayerAccessor : public boost::noncopyable
     {
     private:
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Scene2D/ColorSceneLayer.h
--- a/Framework/Scene2D/ColorSceneLayer.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Scene2D/ColorSceneLayer.h	Fri May 10 17:34:48 2019 +0200
@@ -35,17 +35,20 @@
     uint8_t  green_;
     uint8_t  blue_;
     uint64_t revision_;
+
   protected:
     void BumpRevision()
     {
-      // this is *not* thread-safe!!!
+      // this is *not* thread-safe!!!  => (SJO) no problem, Stone assumes mono-threading
       revision_++;
     }
+
   public:
     ColorSceneLayer() :
       red_(255),
       green_(255),
-      blue_(255)
+      blue_(255),
+      revision_(0)
     {
     }
 
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/StoneEnumerations.h
--- a/Framework/StoneEnumerations.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/StoneEnumerations.h	Fri May 10 17:34:48 2019 +0200
@@ -115,74 +115,6 @@
     BitmapAnchor_TopRight
   };
 
-  enum MessageType
-  {
-    MessageType_Widget_GeometryChanged,
-    MessageType_Widget_ContentChanged,
-
-    MessageType_VolumeSlicer_GeometryReady,   // instance tags have been loaded
-    MessageType_VolumeSlicer_GeometryError,
-    MessageType_VolumeSlicer_ContentChanged,
-    MessageType_VolumeSlicer_SliceChanged,
-    MessageType_VolumeSlicer_LayerReady,      // layer is ready to be rendered
-    MessageType_VolumeSlicer_LayerError,
-
-    MessageType_DicomSeriesVolumeSlicer_FrameReady,      // pixels data of the frame have been loaded
-
-    MessageType_SliceViewerWidget_DisplayedSlice,  // The displayed slice has changed
-
-    MessageType_SliceLoader_GeometryReady,
-    MessageType_SliceLoader_GeometryError,
-    MessageType_SliceLoader_ImageReady,
-    MessageType_SliceLoader_ImageError,
-
-    MessageType_VolumeLoader_GeometryReady,
-    MessageType_VolumeLoader_GeometryError,
-    MessageType_VolumeLoader_ContentChanged,  // Content of several slices in the loader has changed
-
-    MessageType_SlicedVolume_GeometryReady,
-    MessageType_SlicedVolume_GeometryError,
-    MessageType_SlicedVolume_VolumeReady,
-    MessageType_SlicedVolume_ContentChanged,
-    MessageType_SlicedVolume_SliceContentChanged,
-
-    MessageType_HttpRequestSuccess,
-    MessageType_HttpRequestError,
-
-    MessageType_OrthancApi_InternalGetJsonResponseReady,
-    MessageType_OrthancApi_InternalGetJsonResponseError,
-
-    MessageType_OrthancApi_GenericGetJson_Ready,
-    MessageType_OrthancApi_GenericGetBinary_Ready,
-    MessageType_OrthancApi_GenericHttpError_Ready,
-    MessageType_OrthancApi_GenericEmptyResponse_Ready,
-
-    MessageType_RadiographyScene_GeometryChanged,
-    MessageType_RadiographyScene_ContentChanged,
-    MessageType_RadiographyScene_LayerEdited,
-    MessageType_RadiographyScene_WindowingChanged,
-
-    MessageType_RadiographyLayer_Edited,
-
-    MessageType_ViewportChanged,
-
-    MessageType_Timeout,
-
-    // used in unit tests only
-    MessageType_Test1,
-    MessageType_Test2,
-
-
-
-    MessageType_OrthancRestApiCommand,
-    MessageType_GetOrthancImageCommand,
-    MessageType_GetOrthancWebViewerJpegCommand,
-    MessageType_OracleCommandExceptionMessage,
-    
-    MessageType_CustomMessage // Custom messages ids ust be greater than this (this one must remain in last position)
-  };
-
-  
   enum ControlPointType
   {
     ControlPoint_TopLeftCorner = 0,
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Toolbox/IDelayedCallExecutor.h
--- a/Framework/Toolbox/IDelayedCallExecutor.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Toolbox/IDelayedCallExecutor.h	Fri May 10 17:34:48 2019 +0200
@@ -39,8 +39,7 @@
     MessageBroker& broker_;
     
   public:
-
-    typedef NoPayloadMessage<MessageType_Timeout> TimeoutMessage;
+    ORTHANC_STONE_DEFINE_EMPTY_MESSAGE(__FILE__, __LINE__, TimeoutMessage);
 
     IDelayedCallExecutor(MessageBroker& broker) :
       broker_(broker)
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Toolbox/IWebService.h
--- a/Framework/Toolbox/IWebService.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Toolbox/IWebService.h	Fri May 10 17:34:48 2019 +0200
@@ -45,8 +45,10 @@
   public:
     typedef std::map<std::string, std::string> HttpHeaders;
 
-    class HttpRequestSuccessMessage : public BaseMessage<MessageType_HttpRequestSuccess>
+    class HttpRequestSuccessMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const std::string&             uri_;
       const void*                    answer_;
@@ -97,8 +99,10 @@
     };
     
 
-    class HttpRequestErrorMessage : public BaseMessage<MessageType_HttpRequestError>
+    class HttpRequestErrorMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const std::string&              uri_;
       const Orthanc::IDynamicObject*  payload_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Toolbox/OrthancApiClient.h
--- a/Framework/Toolbox/OrthancApiClient.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Toolbox/OrthancApiClient.h	Fri May 10 17:34:48 2019 +0200
@@ -35,9 +35,10 @@
       public IObserver
   {
   public:
-    class JsonResponseReadyMessage :
-        public BaseMessage<MessageType_OrthancApi_GenericGetJson_Ready>
+    class JsonResponseReadyMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const std::string&              uri_;
       const Json::Value&              json_;
@@ -72,9 +73,10 @@
     };
     
 
-    class BinaryResponseReadyMessage :
-        public BaseMessage<MessageType_OrthancApi_GenericGetBinary_Ready>
+    class BinaryResponseReadyMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const std::string&              uri_;
       const void*                     answer_;
@@ -117,9 +119,10 @@
     };
 
 
-    class EmptyResponseReadyMessage :
-        public BaseMessage<MessageType_OrthancApi_GenericEmptyResponse_Ready>
+    class EmptyResponseReadyMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
     private:
       const std::string&              uri_;
       const Orthanc::IDynamicObject*  payload_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Toolbox/OrthancSlicesLoader.h
--- a/Framework/Toolbox/OrthancSlicesLoader.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Toolbox/OrthancSlicesLoader.h	Fri May 10 17:34:48 2019 +0200
@@ -35,13 +35,14 @@
   class OrthancSlicesLoader : public IObservable, public IObserver
   {
   public:
-
-    typedef OriginMessage<MessageType_SliceLoader_GeometryReady, OrthancSlicesLoader> SliceGeometryReadyMessage;
-    typedef OriginMessage<MessageType_SliceLoader_GeometryError, OrthancSlicesLoader> SliceGeometryErrorMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, SliceGeometryReadyMessage, OrthancSlicesLoader);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, SliceGeometryErrorMessage, OrthancSlicesLoader);
 
-    class SliceImageReadyMessage :
-      public OriginMessage<MessageType_SliceLoader_ImageReady, OrthancSlicesLoader>
+    
+    class SliceImageReadyMessage : public OriginMessage<OrthancSlicesLoader>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       unsigned int                   sliceIndex_;
       const Slice&                   slice_;
@@ -84,9 +85,10 @@
     };
     
 
-    class SliceImageErrorMessage : 
-      public OriginMessage<MessageType_SliceLoader_ImageError, OrthancSlicesLoader>
+    class SliceImageErrorMessage : public OriginMessage<OrthancSlicesLoader>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       const Slice&       slice_;
       unsigned int       sliceIndex_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Viewport/IViewport.h
--- a/Framework/Viewport/IViewport.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Viewport/IViewport.h	Fri May 10 17:34:48 2019 +0200
@@ -35,7 +35,7 @@
   class IViewport : public IObservable
   {
   public:
-    typedef OriginMessage<MessageType_ViewportChanged, IViewport> ViewportChangedMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ViewportChangedMessage, IViewport);
 
     IViewport(MessageBroker& broker) :
       IObservable(broker)
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Volumes/ISlicedVolume.h
--- a/Framework/Volumes/ISlicedVolume.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Volumes/ISlicedVolume.h	Fri May 10 17:34:48 2019 +0200
@@ -29,14 +29,16 @@
   class ISlicedVolume : public IObservable
   {
   public:
-    typedef OriginMessage<MessageType_SlicedVolume_ContentChanged, ISlicedVolume> ContentChangedMessage;
-    typedef OriginMessage<MessageType_SlicedVolume_GeometryError, ISlicedVolume> GeometryErrorMessage;
-    typedef OriginMessage<MessageType_SlicedVolume_GeometryReady, ISlicedVolume> GeometryReadyMessage;
-    typedef OriginMessage<MessageType_SlicedVolume_VolumeReady, ISlicedVolume> VolumeReadyMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ContentChangedMessage, ISlicedVolume);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryErrorMessage, ISlicedVolume);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryReadyMessage, ISlicedVolume);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, VolumeReadyMessage, ISlicedVolume);
 
-    class SliceContentChangedMessage :
-      public OriginMessage<MessageType_SlicedVolume_SliceContentChanged, ISlicedVolume>
+
+    class SliceContentChangedMessage : public OriginMessage<ISlicedVolume>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       size_t        sliceIndex_;
       const Slice&  slice_;
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Volumes/IVolumeLoader.h
--- a/Framework/Volumes/IVolumeLoader.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Volumes/IVolumeLoader.h	Fri May 10 17:34:48 2019 +0200
@@ -28,9 +28,9 @@
   class IVolumeLoader : public IObservable
   {
   public:
-    typedef OriginMessage<MessageType_VolumeLoader_GeometryReady, IVolumeLoader> GeometryReadyMessage;
-    typedef OriginMessage<MessageType_VolumeLoader_GeometryError, IVolumeLoader> GeometryErrorMessage;
-    typedef OriginMessage<MessageType_VolumeLoader_ContentChanged, IVolumeLoader> ContentChangedMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryReadyMessage, IVolumeLoader);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryErrorMessage, IVolumeLoader);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ContentChangedMessage, IVolumeLoader);
 
     IVolumeLoader(MessageBroker& broker) :
       IObservable(broker)
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Framework/Widgets/SliceViewerWidget.h
--- a/Framework/Widgets/SliceViewerWidget.h	Fri May 10 14:54:03 2019 +0200
+++ b/Framework/Widgets/SliceViewerWidget.h	Fri May 10 17:34:48 2019 +0200
@@ -36,12 +36,15 @@
     public IObservable
   {
   public:
-    typedef OriginMessage<MessageType_Widget_GeometryChanged, SliceViewerWidget> GeometryChangedMessage;
-    typedef OriginMessage<MessageType_Widget_ContentChanged, SliceViewerWidget> ContentChangedMessage;
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, GeometryChangedMessage, SliceViewerWidget);
+    ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, ContentChangedMessage, SliceViewerWidget);
+
 
     // TODO - Use this message in ReferenceLineSource
-    class DisplayedSliceMessage : public OriginMessage<MessageType_SliceViewerWidget_DisplayedSlice, SliceViewerWidget>
+    class DisplayedSliceMessage : public OriginMessage<SliceViewerWidget>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       const Slice& slice_;
 
diff -r 7ca8dc7ec17b -r f0008c55e5f7 Samples/Sdl/Loader.cpp
--- a/Samples/Sdl/Loader.cpp	Fri May 10 14:54:03 2019 +0200
+++ b/Samples/Sdl/Loader.cpp	Fri May 10 17:34:48 2019 +0200
@@ -139,9 +139,10 @@
 
 
 
-  class OracleCommandExceptionMessage :
-    public OrthancStone::BaseMessage<OrthancStone::MessageType_OracleCommandExceptionMessage>
+  class OracleCommandExceptionMessage : public OrthancStone::IMessage
   {
+    ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
   private:
     const IOracleCommand&       command_;
     Orthanc::OrthancException   exception_;
@@ -178,9 +179,10 @@
   class OrthancRestApiCommand : public OracleCommandWithPayload
   {
   public:
-    class SuccessMessage : public OrthancStone::OriginMessage<OrthancStone::MessageType_OrthancRestApiCommand,
-                                                              OrthancRestApiCommand>
+    class SuccessMessage : public OrthancStone::OriginMessage<OrthancRestApiCommand>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       HttpHeaders   headers_;
       std::string   answer_;
@@ -316,9 +318,10 @@
   class GetOrthancImageCommand : public OracleCommandWithPayload
   {
   public:
-    class SuccessMessage : public OrthancStone::OriginMessage<OrthancStone::MessageType_GetOrthancImageCommand,
-                                                              GetOrthancImageCommand>
+    class SuccessMessage : public OrthancStone::OriginMessage<GetOrthancImageCommand>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       std::auto_ptr<Orthanc::ImageAccessor>  image_;
       Orthanc::MimeType                      mime_;
@@ -461,9 +464,10 @@
   class GetOrthancWebViewerJpegCommand : public OracleCommandWithPayload
   {
   public:
-    class SuccessMessage : public OrthancStone::OriginMessage<OrthancStone::MessageType_GetOrthancWebViewerJpegCommand,
-                                                              GetOrthancWebViewerJpegCommand>
+    class SuccessMessage : public OrthancStone::OriginMessage<GetOrthancWebViewerJpegCommand>
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+      
     private:
       std::auto_ptr<Orthanc::ImageAccessor>  image_;
 
diff -r 7ca8dc7ec17b -r f0008c55e5f7 UnitTestsSources/TestMessageBroker.cpp
--- a/UnitTestsSources/TestMessageBroker.cpp	Fri May 10 14:54:03 2019 +0200
+++ b/UnitTestsSources/TestMessageBroker.cpp	Fri May 10 17:34:48 2019 +0200
@@ -34,32 +34,25 @@
   using namespace OrthancStone;
 
 
-  enum CustomMessageType
-  {
-    CustomMessageType_First = MessageType_CustomMessage + 1,
-
-    CustomMessageType_Completed,
-    CustomMessageType_Increment
-  };
-
-
   class MyObservable : public IObservable
   {
   public:
-    struct MyCustomMessage: public BaseMessage<(MessageType) CustomMessageType_Completed>
+    struct MyCustomMessage : public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
       int payload_;
 
-      MyCustomMessage(int payload)
-        : BaseMessage(),
-          payload_(payload)
-      {}
+      MyCustomMessage(int payload) :
+        payload_(payload)
+      {
+      }
     };
 
-    MyObservable(MessageBroker& broker)
-      : IObservable(broker)
-    {}
-
+    MyObservable(MessageBroker& broker) :
+      IObservable(broker)
+    {
+    }
   };
 
   class MyObserver : public IObserver
@@ -94,15 +87,18 @@
   class MyPromiseSource : public IObservable
   {
     Promise* currentPromise_;
+
   public:
-    struct MyPromiseMessage: public BaseMessage<MessageType_Test1>
+    struct MyPromiseMessage: public IMessage
     {
+      ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
+
       int increment;
 
-      MyPromiseMessage(int increment)
-        : BaseMessage(),
-          increment(increment)
-      {}
+      MyPromiseMessage(int increment) :
+        increment(increment)
+      {
+      }
     };
 
     MyPromiseSource(MessageBroker& broker)