Index: trunk/src/conf.c
===================================================================
--- trunk/src/conf.c	(revision 2258)
+++ trunk/src/conf.c	(revision 2259)
@@ -1385,6 +1385,16 @@
 	return conf_lht_dirty[target];
 }
 
+conf_role_t conf_lookup_role(const lht_node_t *nd)
+{
+	conf_role_t r;
+	for(r = 0; r < CFR_max_real; r++)
+		if (conf_root[r] == nd->doc)
+			return r;
+
+	return CFR_invalid;
+}
+
 void conf_reset(conf_role_t target, const char *source_fn)
 {
 	if (conf_root[target] != NULL)
Index: trunk/src/conf.h
===================================================================
--- trunk/src/conf.h	(revision 2258)
+++ trunk/src/conf.h	(revision 2259)
@@ -308,5 +308,9 @@
 /* Print usage help for all nodes that have the CFF_USAGE flag and whose
    path starts with prefix (if prefix != NULL) */
 void conf_usage(char *prefix, void (*print)(const char *name, const char *help));
+
+/* Determine under which role a node is */
+conf_role_t conf_lookup_role(const lht_node_t *nd);
+
 #endif
 
Index: trunk/src/event.h
===================================================================
--- trunk/src/event.h	(revision 2258)
+++ trunk/src/event.h	(revision 2259)
@@ -5,6 +5,8 @@
 	EVENT_CLI_ENTER,              /* the user pressed enter on a CLI command - called before parsing the line for actions; args: (str commandline) */
 	EVENT_SAVE_PRE,               /* called before saving the design */
 	EVENT_SAVE_POST,              /* called after saving the design */
+	EVENT_LOAD_PRE,               /* called before loading a new design */
+	EVENT_LOAD_POST,              /* called after loading a new design, whether it was succesful or not */
 	EVENT_last                    /* not a real event */
 } event_id_t;
 
Index: trunk/src/plug_io.c
===================================================================
--- trunk/src/plug_io.c	(revision 2258)
+++ trunk/src/plug_io.c	(revision 2259)
@@ -139,11 +139,18 @@
 int ParsePCB(PCBTypePtr Ptr, char *Filename, int load_settings)
 {
 	int res = -1;
+
+	if (load_settings)
+		event(EVENT_LOAD_PRE, "s", Filename);
+
 	HOOK_CALL(plug_io_t, plug_io_chain, parse_pcb, res, == 0, Ptr, Filename, load_settings);
 
 	if ((res == 0) && (load_settings))
 		conf_load_project(NULL, Filename);
 
+	if (load_settings)
+		event(EVENT_LOAD_POST, "si", Filename, res);
+
 	plug_io_err(res, "load pcb", Filename);
 	return res;
 }
@@ -240,7 +247,7 @@
 	if (p != NULL) {
 		event(EVENT_SAVE_PRE, "s", fmt);
 		res = p->write_pcb(p, f);
-		event(EVENT_SAVE_POST, "s", fmt);
+		event(EVENT_SAVE_POST, "si", fmt, res);
 	}
 	plug_io_err(res, "write pcb", NULL);
 	return res;