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LibGUI: Do not recurse into rows with invalid indices

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That would cause the traversal to go into an infinite loop.
This commit is contained in:
AnotherTest 2020-06-30 23:02:10 +04:30 • committed by Andreas Kling
parent bda39ef7ab
commit 476ccb2206
1 changed files with 3 additions and 0 deletions
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3
Libraries/LibGUI/TreeView.cpp
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@ -183,6 +183,9 @@ void TreeView::traverse_in_paint_order(Callback callback) const
return IterationDecision::Continue; return IterationDecision::Continue;
} }
if (indent_level > 0 && !index.is_valid())
return IterationDecision::Continue;
++indent_level; ++indent_level;
int row_count = model.row_count(index); int row_count = model.row_count(index);
for (int i = 0; i < row_count; ++i) { for (int i = 0; i < row_count; ++i) {