void studio::Widget_Preview::stoprender()
{
+ // don't crash if the render has already been stopped
+ if (!preview->renderer)
+ return;
+
if(preview)
- {
- preview->renderer.detach();
- }
+ if (preview->renderer->updating)
+ preview->renderer->stop();
+ else
+ preview->renderer.detach();
}
void studio::Widget_Preview::eraseall()