getStatus() returns false for LFUN_BUFFER_VIEW when a previewing process is running. So, if this process has finished we should free the menu item.
P.S. on windows, the item does not get disabled anyway.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34324
a592a061-630c-0410-9148-
cb99ea01b6c8
QFutureWatcher<docstring> const * watcher =
static_cast<QFutureWatcher<docstring> const *>(sender());
message(watcher->result());
+ updateToolbars();
errors(d.last_export_format);
#endif
}