Index: trunk/src/event.h
===================================================================
--- trunk/src/event.h	(revision 2255)
+++ trunk/src/event.h	(revision 2256)
@@ -1,8 +1,9 @@
 typedef enum {
-	EVENT_GUI_INIT,								/* finished initializing the GUI called right before the main loop of the GUI; args: (void) */
-	EVENT_CLI_ENTER,							/* the user pressed enter on a CLI command - called before parsing the line for actions; args: (str commandline) */
-
-	EVENT_last										/* not a real event */
+	EVENT_GUI_INIT,               /* finished initializing the GUI called right before the main loop of the GUI; args: (void) */
+	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_last                    /* not a real event */
 } event_id_t;
 
 /* Maximum number of arguments for an event handler, auto-set argv[0] included */
Index: trunk/src/plug_io.c
===================================================================
--- trunk/src/plug_io.c	(revision 2255)
+++ trunk/src/plug_io.c	(revision 2256)
@@ -100,6 +100,7 @@
 #include "hid_actions.h"
 #include "hid_flags.h"
 #include "plugins.h"
+#include "event.h"
 
 plug_io_t *plug_io_chain = NULL;
 
@@ -236,8 +237,11 @@
 	int res;
 	plug_io_t *p = find_writer(fmt);
 
-	if (p != NULL)
+	if (p != NULL) {
+		event(EVENT_SAVE_PRE, "s", fmt);
 		res = p->write_pcb(p, f);
+		event(EVENT_SAVE_POST, "s", fmt);
+	}
 	plug_io_err(res, "write pcb", NULL);
 	return res;
 }