Index: trunk/src/extobj.h
===================================================================
--- trunk/src/extobj.h	(revision 28828)
+++ trunk/src/extobj.h	(revision 28829)
@@ -235,4 +235,18 @@
 	pcb_subc_remove(sc);
 }
 
+PCB_INLINE void pcb_exto_float_new(pcb_any_obj_t *flt)
+{
+	pcb_subc_t *subc = pcb_obj_parent_subc(flt);
+	pcb_extobj_t *eo;
+
+	if (subc == NULL)
+		return;
+
+	eo = pcb_extobj_get(subc);
+
+	if ((eo != NULL) && (eo->float_new != NULL))
+		eo->float_new(subc, flt);
+}
+
 #endif
Index: trunk/src/route.c
===================================================================
--- trunk/src/route.c	(revision 28828)
+++ trunk/src/route.c	(revision 28829)
@@ -423,12 +423,13 @@
    is the board layer of the route, but when a floater of a subcircuit is split
    e.g. by the line tool code, new floaters within the same subcircuit shall
    be created instead */
-static pcb_layer_t *get_route_layer(pcb_board_t *pcb, const pcb_any_obj_t *apply_to, pcb_route_object_t const *p_obj)
+static pcb_layer_t *get_route_layer(pcb_board_t *pcb, const pcb_any_obj_t *apply_to, pcb_route_object_t const *p_obj, int *exto_flt)
 {
+	*exto_flt = 0;
 	if ((apply_to != NULL) && (PCB_FLAG_TEST(PCB_FLAG_FLOATER, apply_to))) {
 		pcb_subc_t *psc = pcb_obj_parent_subc(apply_to);
 		if (psc != NULL) {
-TODO("Call extobj new floater hook");
+			*exto_flt = 1;
 			assert(apply_to->parent_type == PCB_PARENT_LAYER);
 			return apply_to->parent.layer;
 		}
@@ -445,7 +446,8 @@
 
 	for(i = 0; i < p_route->size; i++) {
 		pcb_route_object_t const *p_obj = &p_route->objects[i];
-		pcb_layer_t *layer = get_route_layer(PCB, (const pcb_any_obj_t *)attr_src, p_obj);
+		int exto_flt;
+		pcb_layer_t *layer = get_route_layer(PCB, (const pcb_any_obj_t *)attr_src, p_obj, &exto_flt);
 
 		switch (p_obj->type) {
 			case PCB_OBJ_LINE:
@@ -501,6 +503,8 @@
 						pcb_line_invalidate_draw(layer, line);
 						pcb_undo_add_obj_to_create(PCB_OBJ_LINE, layer, line, line);
 						applied = 1;
+						if (exto_flt)
+							pcb_exto_float_new((pcb_any_obj_t *)line);
 					}
 				}
 				break;
@@ -526,6 +530,8 @@
 						pcb_undo_add_obj_to_create(PCB_OBJ_ARC, layer, arc, arc);
 						pcb_arc_invalidate_draw(layer, arc);
 						applied = 1;
+						if (exto_flt)
+							pcb_exto_float_new((pcb_any_obj_t *)arc);
 					}
 				}
 				break;
@@ -555,7 +561,8 @@
 
 	for(i = 0; i < p_route->size; i++) {
 		pcb_route_object_t const *p_obj = &p_route->objects[i];
-		pcb_layer_t *layer = get_route_layer(PCB, (const pcb_any_obj_t *)attr_src, p_obj);
+		int exto_flt;
+		pcb_layer_t *layer = get_route_layer(PCB, (const pcb_any_obj_t *)attr_src, p_obj, &exto_flt);
 
 		switch (p_obj->type) {
 			case PCB_OBJ_ARC:
@@ -635,6 +642,8 @@
 						pcb_undo_add_obj_to_create(PCB_OBJ_ARC, layer, arc, arc);
 						pcb_arc_invalidate_draw(layer, arc);
 						applied = 1;
+						if (exto_flt)
+							pcb_exto_float_new((pcb_any_obj_t *)arc);
 					}
 				}
 				break;
@@ -658,6 +667,8 @@
 						pcb_line_invalidate_draw(layer, line);
 						pcb_undo_add_obj_to_create(PCB_OBJ_LINE, layer, line, line);
 						applied = 1;
+						if (exto_flt)
+							pcb_exto_float_new((pcb_any_obj_t *)line);
 					}
 				}
 				break;