- int (*SendMessage)(tWindow *Window, int MessageID, int Length, void *Data);
-} tWMRenderer;
+ int (*HandleMessage)(tWindow *Window, int MessageID, int Length, const void *Data);
+
+ int nIPCHandlers;
+
+ /**
+ * \brief IPC Message handler
+ */
+ int (*IPCHandlers[])(tWindow *Window, size_t Length, const void *Data);
+};
+
+extern void WM_RegisterRenderer(tWMRenderer *Renderer);
+extern tWindow *WM_CreateWindowStruct(size_t ExtraBytes);
+extern int WM_SendIPCReply(tWindow *Window, int Message, size_t Length, const void *Data);