Index: trunk/src/find_drc.c
===================================================================
--- trunk/src/find_drc.c	(revision 21224)
+++ trunk/src/find_drc.c	(revision 21225)
@@ -56,9 +56,11 @@
 	violation->type = pcb_strdup(type);
 	violation->title = pcb_strdup(title);
 	violation->explanation = pcb_strdup(explanation);
-	violation->have_measured = have_measured;
-	violation->measured_value = measured_value;
-	violation->required_value = required_value;
+
+	violation->data_type = PCB_VIEW_DRC;
+	violation->data.drc.have_measured = have_measured;
+	violation->data.drc.measured_value = measured_value;
+	violation->data.drc.required_value = required_value;
 	memcpy(&violation->objs, objs, sizeof(violation->objs));
 	memset(objs, 0, sizeof(violation->objs));
 	return violation;
Index: trunk/src/view.h
===================================================================
--- trunk/src/view.h	(revision 21224)
+++ trunk/src/view.h	(revision 21225)
@@ -39,6 +39,12 @@
    data (e.g. drc size values) */
 
 typedef struct pcb_view_s pcb_view_t;
+
+typedef enum pcb_view_type_e {
+	PCB_VIEW_PLAIN,       /* has no data */
+	PCB_VIEW_DRC
+} pcb_view_type_t;
+
 struct pcb_view_s {
 	unsigned long int uid;        /* ID unique for each view (for GUI identification) - 0 means invalid */
 
@@ -55,9 +61,14 @@
 	pcb_coord_t x, y;             /* optional: a coord to mark on the preview  */
 	pcb_idpath_list_t objs[2];    /* optional: two groups of objects to highlight on preview */
 
-	unsigned have_measured:1;
-	pcb_coord_t measured_value;
-	pcb_coord_t required_value;
+	pcb_view_type_t data_type;
+	union {
+		struct {
+			unsigned have_measured:1;
+			pcb_coord_t measured_value;
+			pcb_coord_t required_value;
+		} drc;
+	} data;
 
 	gdl_elem_t link;              /* always part of a list */
 };
Index: trunk/src_plugins/dialogs/dlg_view.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_view.c	(revision 21224)
+++ trunk/src_plugins/dialogs/dlg_view.c	(revision 21225)
@@ -146,10 +146,14 @@
 		if (v != NULL) {
 			pcb_view_goto(v);
 			PCB_DAD_SET_VALUE(ctx->dlg_hid_ctx, ctx->wexplanation, str_value, re_wrap(pcb_strdup(v->explanation), 32));
-			if (v->have_measured)
-				PCB_DAD_SET_VALUE(ctx->dlg_hid_ctx, ctx->wmeasure, str_value, pcb_strdup_printf("%m+required: %$ms\nmeasured: %$ms\n", conf_core.editor.grid_unit->allow, v->required_value, v->measured_value));
-			else
-				PCB_DAD_SET_VALUE(ctx->dlg_hid_ctx, ctx->wmeasure, str_value, pcb_strdup_printf("%m+required: %$ms\n", conf_core.editor.grid_unit->allow, v->required_value));
+			switch(v->data_type) {
+				case PCB_VIEW_DRC:
+					if (v->data.drc.have_measured)
+						PCB_DAD_SET_VALUE(ctx->dlg_hid_ctx, ctx->wmeasure, str_value, pcb_strdup_printf("DRC: %m+required: %$ms\nmeasured: %$ms\n", conf_core.editor.grid_unit->allow, v->data.drc.required_value, v->data.drc.measured_value));
+					else
+						PCB_DAD_SET_VALUE(ctx->dlg_hid_ctx, ctx->wmeasure, str_value, pcb_strdup_printf("DRC: %m+required: %$ms\n", conf_core.editor.grid_unit->allow, v->data.drc.required_value));
+					break;
+			}
 		}
 	}