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Prevent Outliner crash due to emptied toc value

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This might need a more profound fix in the long term, see
https://marc.info/?l=lyx-devel&m=163588729224679&w=2
This commit is contained in:
Juergen Spitzmueller 2021-12-04 17:53:03 +01:00
parent 5eecfa3e04
commit 31146ae8d3
2 changed files with 7 additions and 0 deletions
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5
src/frontends/qt/TocModel.cpp
View File

@ -327,6 +327,11 @@ TocItem const TocModels::currentItem(QString const & type,
} }
LASSERT(index.model() == it.value()->model(), return TocItem()); LASSERT(index.model() == it.value()->model(), return TocItem());
if (it.value()->empty()) {
LYXERR(Debug::GUI, "TocModels::currentItem(): requested toc is empty!");
return TocItem();
}
return it.value()->tocItem(index); return it.value()->tocItem(index);
} }

2
src/frontends/qt/TocModel.h
View File

@ -47,6 +47,8 @@ public:
/// ///
void clear(); void clear();
/// ///
bool empty() { return toc_->empty(); }
///
QAbstractItemModel * model(); QAbstractItemModel * model();
/// ///
QAbstractItemModel const * model() const; QAbstractItemModel const * model() const;