Trensa-Organization/hy3
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Fix ub in windowTitleHook

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Called `updateTabBarRecursive` with null thisptr.
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outfoxxed 2023-06-06 22:40:13 -07:00
parent 90f36e3b00
commit 45fb1698c1
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1 changed files with 4 additions and 2 deletions
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6
src/Hy3Layout.cpp
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@ -601,10 +601,10 @@ void Hy3Node::updateTabBar() {
void Hy3Node::updateTabBarRecursive() {
auto* node = this;
while (node != nullptr) {
do {
node->updateTabBar();
node = node->parent;
}
} while (node != nullptr);
}
void Hy3Node::updateDecos() {
@ -1675,6 +1675,8 @@ void Hy3Layout::windowTitleHook(void*, std::any data) {
if (window == nullptr) return;
auto* node = g_Hy3Layout->getNodeFromWindow(window);
// it is UB for `this` to be null
if (node == nullptr) return;
node->updateTabBarRecursive();
}