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Prevent infinite loop in Tree incremental search

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This commit is contained in:
Tomasz Chabora 2020-07-20 00:53:46 +02:00
parent d14932aeca
commit c0479496fa
1 changed files with 8 additions and 0 deletions
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8
scene/gui/tree.cpp
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@ -3419,6 +3419,8 @@ void Tree::scroll_to_item(TreeItem *p_item) {
TreeItem *Tree::_search_item_text(TreeItem *p_at, const String &p_find, int *r_col, bool p_selectable, bool p_backwards) {
TreeItem *from = p_at;
TreeItem *loop = nullptr; // Safe-guard against infinite loop.
while (p_at) {
for (int i = 0; i < columns.size(); i++) {
if (p_at->get_text(i).findn(p_find) == 0 && (!p_selectable || p_at->is_selectable(i))) {
@ -3438,6 +3440,12 @@ TreeItem *Tree::_search_item_text(TreeItem *p_at, const String &p_find, int *r_c
if ((p_at) == from) {
break;
}
if (!loop) {
loop = p_at;
} else if (loop == p_at) {
break;
}
}
return nullptr;