Index: trunk/src/find_drc.c
===================================================================
--- trunk/src/find_drc.c	(revision 21223)
+++ trunk/src/find_drc.c	(revision 21224)
@@ -142,7 +142,7 @@
 		idp = pcb_idpath_list_first(&v->objs[0]);
 		obj = pcb_idpath2obj(PCB->Data, idp);
 		if (obj != NULL) {
-			v->have_coord = 1;
+			v->have_bbox = 1;
 			pcb_obj_center(obj, &v->x, &v->y);
 			memcpy(&v->bbox, &obj->BoundingBox, sizeof(obj->BoundingBox));
 			pcb_box_enlarge(&v->bbox, 0.25, 0.25);
@@ -156,13 +156,13 @@
 		for(idp = pcb_idpath_list_first(&v->objs[g]); idp != NULL; idp = pcb_idpath_list_next(idp)) {
 			obj = pcb_idpath2obj(PCB->Data, idp);
 			if (obj != NULL) {
-				v->have_coord = 1;
+				v->have_bbox = 1;
 				pcb_box_bump_box(&b, &obj->BoundingBox);
 			}
 		}
 	}
 
-	if (v->have_coord) {
+	if (v->have_bbox) {
 		v->x = (b.X1 + b.X2)/2;
 		v->y = (b.Y1 + b.Y2)/2;
 		memcpy(&v->bbox, &b, sizeof(b));
Index: trunk/src/view.c
===================================================================
--- trunk/src/view.c	(revision 21223)
+++ trunk/src/view.c	(revision 21224)
@@ -76,7 +76,7 @@
 
 void pcb_view_goto(pcb_view_t *item)
 {
-	if (item->have_coord) {
+	if (item->have_bbox) {
 		fgw_arg_t res, argv[5];
 
 		argv[1].type = FGW_COORD; fgw_coord(&argv[1]) = item->bbox.X1;
Index: trunk/src/view.h
===================================================================
--- trunk/src/view.h	(revision 21223)
+++ trunk/src/view.h	(revision 21224)
@@ -40,13 +40,16 @@
 
 typedef struct pcb_view_s pcb_view_t;
 struct pcb_view_s {
-	unsigned long int uid;        /* ID unique for each violation within the drc subsystem (for GUI identification of violations) */
+	unsigned long int uid;        /* ID unique for each view (for GUI identification) - 0 means invalid */
 
 	char *type;
 	char *title;
 	char *explanation;
 
-	unsigned have_coord:1;
+	/* these indicate whether some of the following fields are valid */
+	unsigned have_bbox:1;
+	unsigned have_xy:1;
+
 	pcb_box_t bbox;               /* bounding box of all error objects (in both groups) */
 
 	pcb_coord_t x, y;             /* optional: a coord to mark on the preview  */