1 files changed, 20 insertions, 2 deletions
diff --git a/src/message.h b/src/message.h
index 050162a..c37db12 100644
--- a/src/message.h
+++ b/src/message.h
@@ -30,13 +30,19 @@
 class Message {
 public:
   typedef enum {
-    LoadStatus,
+    // Engine -> GUI Messages:
+    LoadStatus, // Signal GUI the current load status.
+
+    // GUI -> Engine, Engine -> Engine Messages:
+    LoadDrumKit, // Signal engine to load drumkit.
+    LoadMidimap, // Signal engine to load midimap.
   } type_t;
+
   virtual ~Message() {}
   virtual type_t type() = 0;
 };
 
-class LoadStatus : public Message {
+class LoadStatusMessage : public Message {
 public:
   type_t type() { return Message::LoadStatus; }
   unsigned int number_of_files;
@@ -44,4 +50,16 @@ public:
   std::string current_file;
 };
 
+class LoadDrumKitMessage : public Message {
+public:
+  type_t type() { return Message::LoadDrumKit; }
+  std::string drumkitfile;
+};
+
+class LoadMidimapMessage : public Message {
+public:
+  type_t type() { return Message::LoadMidimap; }
+  std::string midimapfile;
+};
+
 #endif/*__DRUMGIZMO_MESSAGE_H__*/