X-Git-Url: http://pileus.org/git/?p=grits;a=blobdiff_plain;f=src%2Fobjects%2Fgis-callback.h;h=b9c77da8a8fbefb9d96e2b56610ca4431e5434e3;hp=f3eee6de59a4e71ef95ddb4e7049a6a3d720f4c1;hb=36afb0e0cb18e36835a0a6b73eb9fbd92c23ff0c;hpb=7d7d6ae0531a85361ce0d8b997d988b653282847

diff --git a/src/objects/gis-callback.h b/src/objects/gis-callback.h
index f3eee6d..b9c77da 100644
--- a/src/objects/gis-callback.h
+++ b/src/objects/gis-callback.h
@@ -33,7 +33,14 @@
 typedef struct _GisCallback      GisCallback;
 typedef struct _GisCallbackClass GisCallbackClass;
 
-typedef gpointer (*GisCallbackFunc)(GisCallback *callback, gpointer user_data);
+/**
+ * GisCallbackFunc:
+ * @callback:  the callback object to be drawn
+ * @user_data: the user data associated with the callback 
+ *
+ * A function to be called when the callback object is being rendered
+ */
+typedef void (*GisCallbackFunc)(GisCallback *callback, gpointer user_data);
 
 struct _GisCallback {
 	GisObject       parent;