Index: trunk/scconfig/Rev.h
===================================================================
--- trunk/scconfig/Rev.h	(revision 25602)
+++ trunk/scconfig/Rev.h	(revision 25603)
@@ -1 +1 @@
-static const int myrev = 25463;
+static const int myrev = 25603;
Index: trunk/scconfig/Rev.tab
===================================================================
--- trunk/scconfig/Rev.tab	(revision 25602)
+++ trunk/scconfig/Rev.tab	(revision 25603)
@@ -1,3 +1,4 @@
+25603	configure	infrastructure for extended objects
 25463	configure	new library window (DAD based)
 25436	configure	remove plugin lib_legacy_func
 25418	configure	remove obsolete menufiles from the install
Index: trunk/src/Makefile.in
===================================================================
--- trunk/src/Makefile.in	(revision 25602)
+++ trunk/src/Makefile.in	(revision 25603)
@@ -141,6 +141,7 @@
 	data.o
 	draw.o
 	drc.o
+	extobj.o
 	font.o
 	font_act.o
 	file_act.o
Index: trunk/src/extobj.c
===================================================================
--- trunk/src/extobj.c	(nonexistent)
+++ trunk/src/extobj.c	(revision 25603)
@@ -0,0 +1,49 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  pcb-rnd, interactive printed circuit board design
+ *  Copyright (C) 2019 Tibor 'Igor2' Palinkas
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *  Contact:
+ *    Project page: http://repo.hu/projects/pcb-rnd
+ *    lead developer: http://repo.hu/projects/pcb-rnd/contact.html
+ *    mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
+ */
+
+#include "config.h"
+
+#include <genvector/vtp0.h>
+#include <genht/htsi.h>
+
+#include "extobj.h"
+
+
+vtp0_t extobj_i2o;  /* extobj_idx -> (pcb_ext_obj_t *) */
+htsi_t extobj_n2i;  /* extobj name -> index */
+
+
+void pcb_extobj_init(void)
+{
+
+}
+
+
+void pcb_extobj_uninit(void)
+{
+
+}
+
Index: trunk/src/extobj.h
===================================================================
--- trunk/src/extobj.h	(nonexistent)
+++ trunk/src/extobj.h	(revision 25603)
@@ -0,0 +1,40 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  pcb-rnd, interactive printed circuit board design
+ *  Copyright (C) 2019 Tibor 'Igor2' Palinkas
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *  Contact:
+ *    Project page: http://repo.hu/projects/pcb-rnd
+ *    lead developer: http://repo.hu/projects/pcb-rnd/contact.html
+ *    mailing list: pcb-rnd (at) list.repo.hu (send "subscribe")
+ */
+
+#ifndef PCB_EXT_OBJ_H
+#define PCB_EXT_OBJ_H
+
+#include "obj_common.h"
+#include "draw.h"
+
+struct pcb_ext_obj_s {
+	void (*draw)(pcb_draw_info_t *info, pcb_any_obj_t *obj);
+};
+
+void pcb_extobj_init(void);
+void pcb_extobj_uninit(void);
+
+#endif
Index: trunk/src/main.c
===================================================================
--- trunk/src/main.c	(revision 25602)
+++ trunk/src/main.c	(revision 25603)
@@ -71,6 +71,7 @@
 #include "tool.h"
 #include "color.h"
 #include "netlist2.h"
+#include "extobj.h"
 
 #include "actions.h"
 #include "actions_pcb.h"
@@ -311,6 +312,7 @@
 	pcb_cli_uninit();
 	pcb_dynflag_uninit();
 
+	pcb_extobj_uninit();
 	pcb_import_uninit();
 	pcb_io_uninit();
 	pcb_fp_uninit();
@@ -447,6 +449,7 @@
 	/* Minimal conf setup before we do anything else */
 	pcb_netlist_geo_init();
 	pcb_minuid_init();
+	pcb_extobj_init();
 	pcb_hidlib_init1(conf_core_init);
 	pcb_layer_vis_init();
 	pcb_brave_init();
Index: trunk/src/obj_common.c
===================================================================
--- trunk/src/obj_common.c	(revision 25602)
+++ trunk/src/obj_common.c	(revision 25603)
@@ -155,6 +155,9 @@
 		if (inv != NULL)
 			pcb_message(PCB_MSG_ERROR, "Invalid character '%c' in terminal name (term attribute) '%s'\n", *inv, obj->term);
 	}
+	else if (strcmp(name, "extobj") == 0) {
+		obj->extobj = value;
+	}
 	else if (strcmp(name, "intconn") == 0) {
 		long cid = 0;
 		if (value != NULL) {
Index: trunk/src/obj_common.h
===================================================================
--- trunk/src/obj_common.h	(revision 25602)
+++ trunk/src/obj_common.h	(revision 25603)
@@ -185,6 +185,8 @@
 #define PCB_ANY_PRIMITIVE_FIELDS \
 	PCB_ANY_OBJ_FIELDS; \
 	const char           *term; \
+	const char           *extobj; \
+	unsigned int         extobj_idx; \
 	void                 *ratconn; \
 	unsigned char        thermal; \
 	unsigned char        intconn, intnoconn; \