Index: trunk/src/gui_act.c
===================================================================
--- trunk/src/gui_act.c	(revision 16515)
+++ trunk/src/gui_act.c	(revision 16516)
@@ -1379,7 +1379,7 @@
 		attr[1].default_val.int_value = ly->comb & PCB_LYC_SUB;
 		attr[2].default_val.int_value = ly->comb & PCB_LYC_AUTO;
 
-		ar = pcb_gui->attribute_dialog(attr,sizeof(attr)/sizeof(attr[0]), rv, "Edit layer properties", "Edit the properties of a logical layer", NULL);
+		ar = pcb_attribute_dialog(attr,sizeof(attr)/sizeof(attr[0]), rv, "Edit layer properties", "Edit the properties of a logical layer", NULL);
 
 		if (ar == 0) {
 			pcb_layer_combining_t comb = 0;
@@ -1494,7 +1494,7 @@
 
 		attr[0].default_val.str_value = pcb_strdup(g->name);
 
-		ar = pcb_gui->attribute_dialog(attr,sizeof(attr)/sizeof(attr[0]), rv, "Edit layer properties", "Edit the properties of a logical layer", NULL);
+		ar = pcb_attribute_dialog(attr,sizeof(attr)/sizeof(attr[0]), rv, "Edit layer properties", "Edit the properties of a logical layer", NULL);
 
 		if (ar == 0) {
 			if (strcmp(g->name, attr[0].default_val.str_value) != 0) {
Index: trunk/src/hid_attrib.c
===================================================================
--- trunk/src/hid_attrib.c	(revision 16515)
+++ trunk/src/hid_attrib.c	(revision 16516)
@@ -261,3 +261,10 @@
 	}
 	return cnt;
 }
+
+int pcb_attribute_dialog(pcb_hid_attribute_t *attrs, int n_attrs, pcb_hid_attr_val_t *results, const char *title, const char *descr, void *caller_data)
+{
+	if ((pcb_gui == NULL) || (pcb_gui->attribute_dialog == NULL))
+		return -1;
+	return pcb_gui->attribute_dialog(attrs, n_attrs, results, title, descr, caller_data);
+}
\ No newline at end of file
Index: trunk/src/hid_attrib.h
===================================================================
--- trunk/src/hid_attrib.h	(revision 16515)
+++ trunk/src/hid_attrib.h	(revision 16516)
@@ -113,4 +113,7 @@
 /* Count the number of direct children, start_from the first children */
 int pcb_hid_attrdlg_num_children(pcb_hid_attribute_t *attrs, int start_from, int n_attrs);
 
+/* Invoke a simple modal attribute dialog if GUI is available */
+int pcb_attribute_dialog(pcb_hid_attribute_t *attrs, int n_attrs, pcb_hid_attr_val_t *results, const char *title, const char *descr, void *caller_data);
+
 #endif
Index: trunk/src/hid_dad.h
===================================================================
--- trunk/src/hid_dad.h	(revision 16515)
+++ trunk/src/hid_dad.h	(revision 16516)
@@ -74,7 +74,7 @@
 do { \
 	if (table ## _result == NULL) \
 		PCB_DAD_ALLOC_RESULT(table); \
-	pcb_gui->attribute_dialog(table, table ## _len, table ## _result, title, descr, caller_data); \
+	pcb_attribute_dialog(table, table ## _len, table ## _result, title, descr, caller_data); \
 } while(0)
 
 /* Return the index of the item currenty being edited */
Index: trunk/src_plugins/export_ps/ps.c
===================================================================
--- trunk/src_plugins/export_ps/ps.c	(revision 16515)
+++ trunk/src_plugins/export_ps/ps.c	(revision 16516)
@@ -1523,7 +1523,7 @@
 		ps_calib_attribute_list[0].default_val.str_value = pcb_strdup("lpr");
 	}
 
-	if (pcb_gui->attribute_dialog(ps_calib_attribute_list, 1, vals, _("Print Calibration Page"), _("Generates a printer calibration page"), NULL))
+	if (pcb_attribute_dialog(ps_calib_attribute_list, 1, vals, _("Print Calibration Page"), _("Generates a printer calibration page"), NULL))
 		return;
 
 	if (use_command || strchr(vals[0].str_value, '|')) {
Index: trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/gpmi_pkg/dialogs/dialogs.c
===================================================================
--- trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/gpmi_pkg/dialogs/dialogs.c	(revision 16515)
+++ trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/gpmi_pkg/dialogs/dialogs.c	(revision 16516)
@@ -87,5 +87,5 @@
 	else
 		hid->result = calloc(sizeof(pcb_hid_attribute_t), hid->attr_num);
 
-	return pcb_gui->attribute_dialog(hid->attr, hid->attr_num, hid->result, title, descr, NULL);
+	return pcb_attribute_dialog(hid->attr, hid->attr_num, hid->result, title, descr, NULL);
 }
Index: trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/manage_scripts.c
===================================================================
--- trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/manage_scripts.c	(revision 16515)
+++ trunk/src_plugins/gpmi/pcb-gpmi/gpmi_plugin/manage_scripts.c	(revision 16516)
@@ -68,7 +68,7 @@
 	if (operations != NULL)
 		attr_make_enum(&attr[1],  "operation", "Choose what to do with the script", operations, *operation);
 
-	res = pcb_gui->attribute_dialog(attr, 1 + (operations != NULL), result, "GPMI manage scripts - select script", "Select one of the scripts already loaded", NULL);
+	res = pcb_attribute_dialog(attr, 1 + (operations != NULL), result, "GPMI manage scripts - select script", "Select one of the scripts already loaded", NULL);
 
 	/* free scrl slots before return */
 	for(s = scrl; *s != NULL; s++)
@@ -149,7 +149,7 @@
 
 	attr_make_enum(&attr[0],  "module", "Select a GPMI module to interpret the script", modules, default_mod);
 
-	if (pcb_gui->attribute_dialog(attr, 1, result, "GPMI manage scripts - select module", "Select one of GPMI modules to interpret the script", NULL))
+	if (pcb_attribute_dialog(attr, 1, result, "GPMI manage scripts - select module", "Select one of GPMI modules to interpret the script", NULL))
 		return NULL;
 
 	if (result[0].int_value < 0)
@@ -173,7 +173,7 @@
 	attr_make_label_str(&attr[0], "File name:   ", i->name, "File name of the script (if not absolute, it's relative to the config file)");
 	attr_make_label_str(&attr[1], "GPMI module: ", i->module_name, "Name of the GPMI module that is interpreting the script");
 	attr_make_label_str(&attr[2], "Config file: ", cf, "Name of config file that requested the script to be loaded ");
-	pcb_gui->attribute_dialog(attr, 3, result, "GPMI manage scripts - script details", "Displaying detailed info on a script already loaded", NULL);
+	pcb_attribute_dialog(attr, 3, result, "GPMI manage scripts - script details", "Displaying detailed info on a script already loaded", NULL);
 	free((char *)attr[0].name);
 	free((char *)attr[1].name);
 	free((char *)attr[2].name);
Index: trunk/src_plugins/hid_lesstif/dialogs.c
===================================================================
--- trunk/src_plugins/hid_lesstif/dialogs.c	(revision 16515)
+++ trunk/src_plugins/hid_lesstif/dialogs.c	(revision 16516)
@@ -1391,7 +1391,7 @@
 {
 	pcb_hid_t *printer = pcb_hid_find_printer();
 	printer->calibrate(0.0, 0.0);
-	if (pcb_gui->attribute_dialog(printer_calibrate_attrs, 3,
+	if (pcb_attribute_dialog(printer_calibrate_attrs, 3,
 														printer_calibrate_values,
 														"Printer Calibration Values", "Enter calibration values for your printer", NULL))
 		return 1;
Index: trunk/src_plugins/lib_gtk_common/act_print.c
===================================================================
--- trunk/src_plugins/lib_gtk_common/act_print.c	(revision 16515)
+++ trunk/src_plugins/lib_gtk_common/act_print.c	(revision 16516)
@@ -95,7 +95,7 @@
 	pcb_hid_t *printer = pcb_hid_find_printer();
 	printer->calibrate(0.0, 0.0);
 
-	if (pcb_gui->attribute_dialog(printer_calibrate_attrs, 3,
+	if (pcb_attribute_dialog(printer_calibrate_attrs, 3,
 																printer_calibrate_values,
 																_("Printer Calibration Values"), _("Enter calibration values for your printer"), NULL))
 		return 1;
Index: trunk/src_plugins/lib_polyhelp/polyhelp.c
===================================================================
--- trunk/src_plugins/lib_polyhelp/polyhelp.c	(revision 16515)
+++ trunk/src_plugins/lib_polyhelp/polyhelp.c	(revision 16516)
@@ -405,7 +405,7 @@
 		attrs[4].type = PCB_HATT_BOOL;
 		attrs[4].default_val.int_value = results[4].int_value;
 
-		if (pcb_gui->attribute_dialog(attrs, nattr, results, "Polygon hatch", "Hatch a polygon", NULL) != 0)
+		if (pcb_attribute_dialog(attrs, nattr, results, "Polygon hatch", "Hatch a polygon", NULL) != 0)
 			return 1;
 
 		period = results[0].coord_value;