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Guard against possible referencing null.

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Those checks might not be needed, but it's not self obvious from
the surrounding code. Because we already experienced crash from
similar change (cf 1c1c83eced), let's be prudent here.

https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg216414.html
This commit is contained in:
Pavel Sanda 2021-10-14 21:57:57 +02:00
parent 1c1c83eced
commit cad91ec1bc
2 changed files with 4 additions and 2 deletions
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3
src/frontends/qt4/BulletsModule.cpp
View File

@ -159,7 +159,8 @@ void BulletsModule::selectItem(int font, int character, bool select)
return; return;
QListWidget * lw = static_cast<QListWidget *>(bulletpaneSW->widget(font)); QListWidget * lw = static_cast<QListWidget *>(bulletpaneSW->widget(font));
lw->item(character)->setSelected(select); if (lw && lw->item(character))
lw->item(character)->setSelected(select);
} }

3
src/frontends/qt4/GuiPrefs.cpp
View File

@ -3448,7 +3448,8 @@ void PrefShortcuts::shortcutOkPressed()
if (item) { if (item) {
user_bind_.bind(&k, func); user_bind_.bind(&k, func);
shortcutsTW->sortItems(0, Qt::AscendingOrder); shortcutsTW->sortItems(0, Qt::AscendingOrder);
item->parent()->setExpanded(true); if (item->parent())
item->parent()->setExpanded(true);
shortcutsTW->setCurrentItem(item); shortcutsTW->setCurrentItem(item);
shortcutsTW->scrollToItem(item); shortcutsTW->scrollToItem(item);
} else { } else {