Index: trunk/src/event.c
===================================================================
--- trunk/src/event.c	(revision 25419)
+++ trunk/src/event.c	(revision 25420)
@@ -40,6 +40,7 @@
 	"pcbev_save_post",
 	"pcbev_load_pre",
 	"pcbev_load_post",
+	"pcbeb_new_tool",
 	"pcbev_board_changed",
 	"pcbev_board_meta_changed",
 	"pcbev_route_styles_changed",
Index: trunk/src/event.h
===================================================================
--- trunk/src/event.h	(revision 25419)
+++ trunk/src/event.h	(revision 25420)
@@ -39,6 +39,8 @@
 	PCB_EVENT_LOAD_PRE,               /* called before loading a new design */
 	PCB_EVENT_LOAD_POST,              /* called after loading a new design, whether it was successful or not */
 
+	PCB_EVENT_TOOL_REG,               /* called after a new tool has been registered; arg is (pcb_tool_t *) of the new tool */
+
 	PCB_EVENT_BOARD_CHANGED,          /* called after the board being edited got _replaced_ (used to be the PCBChanged action) */
 	PCB_EVENT_BOARD_META_CHANGED,     /* called if the metadata of the board has changed */
 	PCB_EVENT_ROUTE_STYLES_CHANGED,   /* called after any route style change (used to be the RouteStylesChanged action) */
Index: trunk/src/tool.c
===================================================================
--- trunk/src/tool.c	(revision 25419)
+++ trunk/src/tool.c	(revision 25420)
@@ -79,6 +79,7 @@
 	vtp0_append(&pcb_tools, (void *)tool);
 	if (pcb_gui != NULL)
 		pcb_gui->reg_mouse_cursor(NULL, id, tool->cursor.name, tool->cursor.pixel, tool->cursor.mask);
+	pcb_event(&PCB->hidlib, PCB_EVENT_TOOL_REG, "p", tool);
 	return 0;
 }