Index: trunk/src_plugins/dialogs/dlg_pref.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_pref.c	(revision 35847)
+++ trunk/src_plugins/dialogs/dlg_pref.c	(revision 35848)
@@ -110,6 +110,11 @@
 static const char *role_names[] =  { "user",   "project",   "design",   "cli", NULL };
 static const rnd_conf_role_t roles[] = { RND_CFR_USER, RND_CFR_PROJECT, RND_CFR_DESIGN, RND_CFR_CLI, 0 };
 
+pref_ctx_t *Rnd_pref_get_ctx(rnd_hidlib_t *hidlib)
+{
+	return &pref_ctx;
+}
+
 static lht_node_t *pref_dlg2conf_pre(pref_ctx_t *ctx)
 {
 	lht_node_t *m;
Index: trunk/src_plugins/dialogs/dlg_pref.h
===================================================================
--- trunk/src_plugins/dialogs/dlg_pref.h	(revision 35847)
+++ trunk/src_plugins/dialogs/dlg_pref.h	(revision 35848)
@@ -92,4 +92,8 @@
 extern const char pcb_acth_Preferences[];
 fgw_error_t pcb_act_Preferences(fgw_arg_t *res, int argc, fgw_arg_t *argv);
 
+/* In event callbacks no context is available; return context baed on hidlib */
+pref_ctx_t *Rnd_pref_get_ctx(rnd_hidlib_t *hidlib);
+
+
 #endif
Index: trunk/src_plugins/dialogs/dlg_pref_lib.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_pref_lib.c	(revision 35847)
+++ trunk/src_plugins/dialogs/dlg_pref_lib.c	(revision 35848)
@@ -53,7 +53,7 @@
 
 static void pref_lib_update_buttons(void)
 {
-	pref_ctx_t *ctx = &pref_ctx;
+	pref_ctx_t *ctx = Rnd_pref_get_ctx(&PCB->hidlib);
 	DEF_TABDATA;
 	rnd_hid_attribute_t *attr = &ctx->dlg[tabdata->wlist];
 	rnd_hid_row_t *r = rnd_dad_tree_get_selected(attr);
@@ -82,7 +82,7 @@
    the widget first */
 static void pref_lib_conf2dlg_pre(rnd_conf_native_t *cfg, int arr_idx)
 {
-	pref_ctx_t *ctx = &pref_ctx;
+	pref_ctx_t *ctx = Rnd_pref_get_ctx(&PCB->hidlib);
 	DEF_TABDATA;
 	rnd_hid_attribute_t *attr;
 	rnd_hid_tree_t *tree;
@@ -117,7 +117,7 @@
    in all widget rows from the conf */
 static void pref_lib_conf2dlg_post(rnd_conf_native_t *cfg, int arr_idx)
 {
-	pref_ctx_t *ctx = &pref_ctx;
+	pref_ctx_t *ctx = Rnd_pref_get_ctx(&PCB->hidlib);
 	DEF_TABDATA;
 	rnd_conf_listitem_t *i;
 	int idx;
Index: trunk/src_plugins/dialogs/dlg_pref_sizes.c
===================================================================
--- trunk/src_plugins/dialogs/dlg_pref_sizes.c	(revision 35847)
+++ trunk/src_plugins/dialogs/dlg_pref_sizes.c	(revision 35848)
@@ -90,7 +90,7 @@
 
 static void pref_isle_brd2dlg(rnd_conf_native_t *cfg, int arr_idx)
 {
-	pref_ctx_t *ctx = &pref_ctx;
+	pref_ctx_t *ctx = Rnd_pref_get_ctx(&PCB->hidlib);
 	DEF_TABDATA;
 	
 	if ((tabdata->lock) || (!ctx->active))