Index: trunk/src/conf.c
===================================================================
--- trunk/src/conf.c	(revision 10816)
+++ trunk/src/conf.c	(revision 10817)
@@ -799,8 +799,8 @@
 	if (path == NULL) {
 		htsp_entry_t *e;
 		conf_fields_foreach(e) {
-			conf_hid_global_cb((conf_native_t *)e->value, val_change_pre);
-			conf_hid_local_cb((conf_native_t *)e->value, val_change_pre);
+			conf_hid_global_cb((conf_native_t *)e->value, -1, val_change_pre);
+			conf_hid_local_cb((conf_native_t *)e->value, -1, val_change_pre);
 			conf_field_clear(e->value);
 		}
 	}
@@ -839,8 +839,8 @@
 			return;
 		}
 		conf_field_clear(n);
-		conf_hid_global_cb(n, val_change_pre);
-		conf_hid_local_cb(n, val_change_pre);
+		conf_hid_global_cb(n, arr_idx, val_change_pre);
+		conf_hid_local_cb(n, arr_idx, val_change_pre);
 	}
 
 	/* merge all memory-lht data to memory-bin */
@@ -850,13 +850,13 @@
 	if (path == NULL) {
 		htsp_entry_t *e;
 		conf_fields_foreach(e) {
-			conf_hid_local_cb((conf_native_t *)e->value, val_change_post);
-			conf_hid_global_cb((conf_native_t *)e->value, val_change_post);
+			conf_hid_local_cb((conf_native_t *)e->value, -1, val_change_post);
+			conf_hid_global_cb((conf_native_t *)e->value, -1, val_change_post);
 		}
 	}
 	else {
-		conf_hid_local_cb(n, val_change_post);
-		conf_hid_global_cb(n, val_change_post);
+		conf_hid_local_cb(n, arr_idx, val_change_post);
+		conf_hid_global_cb(n, arr_idx, val_change_post);
 	}
 	conf_rev++;
 }
Index: trunk/src/conf_hid.c
===================================================================
--- trunk/src/conf_hid.c	(revision 10816)
+++ trunk/src/conf_hid.c	(revision 10817)
@@ -80,7 +80,7 @@
 		conf_native_t *cfg = e->value;
 		len = vtp0_len(&cfg->hid_callbacks);
 
-		conf_hid_local_cb(cfg, unreg_item);
+		conf_hid_local_cb(cfg, -1, unreg_item);
 
 		/* truncate the list if there are empty items at the end */
 		if (len > h->id) {
@@ -97,7 +97,7 @@
 	if ((h->cb != NULL) && (h->cb->unreg_item != NULL)) {
 		conf_fields_foreach(e) {
 			conf_native_t *cfg = e->value;
-			h->cb->unreg_item(cfg);
+			h->cb->unreg_item(cfg, -1);
 		}
 	}
 
@@ -104,8 +104,8 @@
 	free(h);
 }
 
-typedef void (*cb_t)(conf_native_t *cfg);
-void conf_hid_global_cb_(conf_native_t *item, int offs)
+typedef void (*cb_t)(conf_native_t *cfg, int arr_idx);
+void conf_hid_global_cb_(conf_native_t *item, int arr_idx, int offs)
 {
 	htpp_entry_t *e;
 	if (conf_hid_ids == NULL)
@@ -117,7 +117,7 @@
 			char *s = (char *)&cbs->val_change_pre;
 			cb_t *cb = (cb_t *)(s + offs);
 			if ((*cb) != NULL)
-				(*cb)(item);
+				(*cb)(item, arr_idx);
 		}
 	}
 }
Index: trunk/src/conf_hid.h
===================================================================
--- trunk/src/conf_hid.h	(revision 10816)
+++ trunk/src/conf_hid.h	(revision 10817)
@@ -6,14 +6,14 @@
 
 typedef struct conf_hid_callbacks_s {
 	/* Called before/after a value of a config item is updated - this doesn't necessarily mean the value actually changes */
-	void (*val_change_pre)(conf_native_t *cfg);
-	void (*val_change_post)(conf_native_t *cfg);
+	void (*val_change_pre)(conf_native_t *cfg, int arr_idx);
+	void (*val_change_post)(conf_native_t *cfg, int arr_idx);
 
 	/* Called when a new config item is added to the database; global-only */
-	void (*new_item_post)(conf_native_t *cfg);
+	void (*new_item_post)(conf_native_t *cfg, int arr_idx);
 
 	/* Called during conf_hid_unreg to get hid-data cleaned up */
-	void (*unreg_item)(conf_native_t *cfg);
+	void (*unreg_item)(conf_native_t *cfg, int arr_idx);
 } conf_hid_callbacks_t;
 
 typedef int conf_hid_id_t;
@@ -45,22 +45,22 @@
 
 
 /* Call the local callback of a native item */
-#define conf_hid_local_cb(native, cb) \
+#define conf_hid_local_cb(native, arr_idx, cb) \
 do { \
 	unsigned int __n__; \
 	for(__n__ = 0; __n__ < vtp0_len(&((native)->hid_callbacks)); __n__++) { \
 		const conf_hid_callbacks_t *cbs = (native)->hid_callbacks.array[__n__]; \
 		if ((cbs != NULL) && (cbs->cb != NULL)) \
-			cbs->cb(native); \
+			cbs->cb(native, arr_idx); \
 	} \
 } while(0)
 
-/* Call the local callback of a native item */
-#define conf_hid_global_cb(native, cb) \
+/* Call the global callback of a native item */
+#define conf_hid_global_cb(native, arr_idx, cb) \
 do { \
 	conf_hid_callbacks_t __cbs__; \
 	int __offs__ = ((char *)&(__cbs__.cb)) - ((char *)&(__cbs__)); \
-	conf_hid_global_cb_(native, __offs__); \
+	conf_hid_global_cb_(native, arr_idx, __offs__); \
 } while(0)
 
 /****** Utility/helper functions  ******/
@@ -69,6 +69,6 @@
 void conf_loglevel_props(enum pcb_message_level level, const char **tag, int *popup);
 
 /****** Internal  ******/
-void conf_hid_global_cb_(conf_native_t *item, int offs);
+void conf_hid_global_cb_(conf_native_t *item, int arr_idx, int offs);
 
 #endif
Index: trunk/src/layer_vis.c
===================================================================
--- trunk/src/layer_vis.c	(revision 10816)
+++ trunk/src/layer_vis.c	(revision 10817)
@@ -215,7 +215,7 @@
 
 static conf_hid_id_t layer_vis_conf_id;
 
-void layer_vis_chg_mask(conf_native_t *cfg)
+void layer_vis_chg_mask(conf_native_t *cfg, int arr_idx)
 {
 	pcb_layer_id_t n;
 	int chg = 0;
@@ -277,9 +277,9 @@
 }
 
 
-static void pcb_layer_confchg_color(conf_native_t *cfg)
+static void pcb_layer_confchg_color(conf_native_t *cfg, int arr_idx)
 {
-	pcb_trace("LAYER COLOR\n");
+	pcb_trace("LAYER COLOR %d\n", arr_idx);
 }
 
 static const char *layer_vis_cookie = "core_layer_vis";
Index: trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 10816)
+++ trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 10817)
@@ -490,7 +490,7 @@
 		gdk_gc_set_foreground(priv->grid_gc, &priv->grid_color);
 }
 
-static void ghid_gdk_set_special_colors(conf_native_t *cfg)
+static void ghid_gdk_set_special_colors(conf_native_t *cfg, int arr_idx)
 {
 	render_priv_t *priv = gport->render_priv;
 
Index: trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 10816)
+++ trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 10817)
@@ -357,7 +357,7 @@
 	priv->grid_color.blue ^= priv->bg_color.blue;
 }
 
-void ghid_gl_set_special_colors(conf_native_t *cfg)
+void ghid_gl_set_special_colors(conf_native_t *cfg, int arr_idx)
 {
 	render_priv_t *priv = gport->render_priv;
 
Index: trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c
===================================================================
--- trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c	(revision 10816)
+++ trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c	(revision 10817)
@@ -644,7 +644,7 @@
 //  //  gdk_gc_set_foreground(priv->grid_gc, &gport->grid_color);
 //}
 
-static void ghid_cairo_set_special_colors(conf_native_t * cfg)
+static void ghid_cairo_set_special_colors(conf_native_t * cfg, int arr_idx)
 {
 	render_priv_t *priv = gport->render_priv;
 
Index: trunk/src_plugins/lib_gtk_common/bu_menu.h
===================================================================
--- trunk/src_plugins/lib_gtk_common/bu_menu.h	(revision 10816)
+++ trunk/src_plugins/lib_gtk_common/bu_menu.h	(revision 10817)
@@ -21,7 +21,7 @@
 typedef struct pcb_gtk_menu_ctx_s {
 	GtkWidget *menu_bar;
 	conf_hid_id_t ghid_menuconf_id;
-	void (*confchg_checkbox)(conf_native_t *cfg);
+	void (*confchg_checkbox)(conf_native_t *cfg, int arr_idx);
 } pcb_gtk_menu_ctx_t;
 
 GType ghid_main_menu_get_type(void);
Index: trunk/src_plugins/lib_gtk_hid/glue_conf.c
===================================================================
--- trunk/src_plugins/lib_gtk_hid/glue_conf.c	(revision 10816)
+++ trunk/src_plugins/lib_gtk_hid/glue_conf.c	(revision 10817)
@@ -33,7 +33,7 @@
 
 #warning TODO: cleanup: make a generic status line update callback instead of this code dup
 
-void ghid_confchg_line_refraction(conf_native_t *cfg)
+void ghid_confchg_line_refraction(conf_native_t *cfg, int arr_idx)
 {
 	/* test if PCB struct doesn't exist at startup */
 	if ((PCB == NULL) || (ghidgui->common.set_status_line_label == NULL))
@@ -41,7 +41,7 @@
 	ghidgui->common.set_status_line_label();
 }
 
-void ghid_confchg_all_direction_lines(conf_native_t *cfg)
+void ghid_confchg_all_direction_lines(conf_native_t *cfg, int arr_idx)
 {
 	/* test if PCB struct doesn't exist at startup */
 	if ((PCB == NULL) || (ghidgui->common.set_status_line_label == NULL))
@@ -49,7 +49,7 @@
 	ghidgui->common.set_status_line_label();
 }
 
-void ghid_confchg_flip(conf_native_t *cfg)
+void ghid_confchg_flip(conf_native_t *cfg, int arr_idx)
 {
 	/* test if PCB struct doesn't exist at startup */
 	if ((PCB == NULL) || (ghidgui->common.set_status_line_label == NULL))
@@ -57,7 +57,7 @@
 	ghidgui->common.set_status_line_label();
 }
 
-void ghid_confchg_grid(conf_native_t *cfg)
+void ghid_confchg_grid(conf_native_t *cfg, int arr_idx)
 {
 	/* test if PCB struct doesn't exist at startup */
 	if ((PCB == NULL) || (ghidgui->common.set_status_line_label == NULL))
@@ -65,7 +65,7 @@
 	ghidgui->common.set_status_line_label();
 }
 
-void ghid_confchg_fullscreen(conf_native_t *cfg)
+void ghid_confchg_fullscreen(conf_native_t *cfg, int arr_idx)
 {
 	if (ghidgui->hid_active)
 		ghid_fullscreen_apply(&ghidgui->topwin);
@@ -72,7 +72,7 @@
 }
 
 
-void ghid_confchg_checkbox(conf_native_t *cfg)
+void ghid_confchg_checkbox(conf_native_t *cfg, int arr_idx)
 {
 	if (ghidgui->hid_active)
 		ghid_update_toggle_flags(&ghidgui->topwin);
@@ -79,7 +79,7 @@
 }
 
 
-static void init_conf_watch(conf_hid_callbacks_t *cbs, const char *path, void (*func) (conf_native_t *))
+static void init_conf_watch(conf_hid_callbacks_t *cbs, const char *path, void (*func)(conf_native_t *, int))
 {
 	conf_native_t *n = conf_get_field(path);
 	if (n != NULL) {
Index: trunk/src_plugins/lib_gtk_hid/glue_conf.h
===================================================================
--- trunk/src_plugins/lib_gtk_hid/glue_conf.h	(revision 10816)
+++ trunk/src_plugins/lib_gtk_hid/glue_conf.h	(revision 10817)
@@ -1,10 +1,10 @@
 #include "conf.h"
 
-void ghid_confchg_line_refraction(conf_native_t *cfg);
-void ghid_confchg_all_direction_lines(conf_native_t *cfg);
-void ghid_confchg_fullscreen(conf_native_t *cfg);
-void ghid_confchg_checkbox(conf_native_t *cfg);
-void ghid_confchg_flip(conf_native_t *cfg);
-void ghid_confchg_grid(conf_native_t *cfg);
+void ghid_confchg_line_refraction(conf_native_t *cfg, int arr_idx);
+void ghid_confchg_all_direction_lines(conf_native_t *cfg, int arr_idx);
+void ghid_confchg_fullscreen(conf_native_t *cfg, int arr_idx);
+void ghid_confchg_checkbox(conf_native_t *cfg, int arr_idx);
+void ghid_confchg_flip(conf_native_t *cfg, int arr_idx);
+void ghid_confchg_grid(conf_native_t *cfg, int arr_idx);
 
 void ghid_conf_regs(const char *cookie);