** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright 2006 Yue Shi Lai
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
bool
studio::WorkArea::async_update_preview()
{
+ if (single_threaded() && async_renderer && async_renderer->updating == true)
+ {
+ async_renderer->stop();
+ return false;
+ }
+
async_renderer=0;
queued=false;