QString label = toqstr(b->fileName().displayName(20));
if (!b->isClean())
label += "*";
- bool const shown = guiApp->currentView()->workArea(*b);
+ bool const shown = guiApp->currentView()
+ ? guiApp->currentView()->workArea(*b) : false;
int ii = shown ? vis : invis;
if (ii < 10)
label = QString::number(ii) + ". " + label + '|' + QString::number(ii);