Am Di., 2. Nov. 2021 um 22:08 Uhr schrieb Pavel Sanda <sa...@lyx.org>:
> I believe something else is going on.
>
> When you add something like
> +++ b/src/frontends/qt/TocModel.cpp
> @@ -327,6 +330,7 @@ TocItem const TocModels::currentItem(QString const &
> type,
> }
> LASSERT(index.model() == it.value()->model(), return TocItem());
>
> + lyxerr<<type.toStdString()<<" ";lyxerr<<&models_ << " " << *it << " " <<
> it.value()->toc_->empty() << "\n";
> return it.value()->tocItem(index);
> }
>
>
> You can see steady flow of identical lines, e.g.
> tableofcontents 0x55a7b8d94af8 0x55a7b9c931f0 0
>
> associated with the first window. Then you create second window
> open new view of the same file and get steady flow of second type e.g.
>
> tableofcontents 0x55a7ba5e5438 0x55a7ba817910 0
>
> until the last line before crash
> tableofcontents 0x55a7b8d94af8 0x55a7b9c931f0 1
>
> which is again pointing to structure associated with window 1
> but now empty. So instead of missing initialization we likely
> destroy the content of first structure meanwhile.
>
Thanks, that's interesting.
> We call various reset() and clear() routines many many times,
> and its unclear to me why we repeatedlt call the whole machinery.
>
Maybe this code (TocWidget::updateView()) is to blame?
if (!gui_view_.documentBufferView()) {
tocTV->setModel(nullptr);
depthSL->setMaximum(0);
depthSL->setValue(0);
setEnabled(false);
return;
}
Jürgen
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