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LibGUI: Fix null parent deref in AbstractButton::set_checked()

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If a button is orphaned, there are no siblings anyway, so there's no
need to try to update them.
This commit is contained in:
Andreas Kling 2020-10-30 16:44:56 +01:00
parent 3f4df354cb
commit 9baa649389
1 changed files with 1 additions and 1 deletions
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2
Libraries/LibGUI/AbstractButton.cpp
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@ -68,7 +68,7 @@ void AbstractButton::set_checked(bool checked)
return;
m_checked = checked;
if (is_exclusive() && checked) {
if (is_exclusive() && checked && parent_widget()) {
parent_widget()->for_each_child_of_type<AbstractButton>([&](auto& sibling) {
if (!sibling.is_exclusive() || !sibling.is_checked())
return IterationDecision::Continue;