+static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
+{
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+ if (!rb->m_hasVMT) return FALSE;
+ if (g_blockEventsOnDrag) return FALSE;
+
+ if ((gdk_event->keyval != GDK_Up) &&
+ (gdk_event->keyval != GDK_Down) &&
+ (gdk_event->keyval != GDK_Left) &&
+ (gdk_event->keyval != GDK_Right))
+ {
+ return FALSE;
+ }
+
+ wxNode *node = rb->m_boxes.Find( (wxObject*) widget );
+ if (!node)
+ {
+ return FALSE;
+ }
+
+ gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+
+ if ((gdk_event->keyval == GDK_Up) ||
+ (gdk_event->keyval == GDK_Left))
+ {
+ if (node == rb->m_boxes.First())
+ node = rb->m_boxes.Last();
+ else
+ node = node->Previous();
+ }
+ else
+ {
+ if (node == rb->m_boxes.Last())
+ node = rb->m_boxes.First();
+ else
+ node = node->Next();
+ }
+
+ GtkWidget *button = (GtkWidget*) node->Data();
+
+ gtk_widget_grab_focus( button );
+
+ return TRUE;
+}