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Menu: unsafe hack to diff children of flattened trees

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This commit is contained in:
Jeremy Soller 2023-12-06 08:06:42 -07:00
parent fb4669591a
commit 6a8447d70f
1 changed files with 9 additions and 5 deletions
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14
src/widget/menu/menu_bar.rs
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@ -216,20 +216,24 @@ where
tree.children.truncate(self.menu_roots.len()); tree.children.truncate(self.menu_roots.len());
} }
/*TODO
tree.children tree.children
.iter_mut() .iter_mut()
.zip(self.menu_roots.iter()) .zip(self.menu_roots.iter())
.for_each(|(t, root)| { .for_each(|(t, root)| {
let flat = root let mut flat = root
.flattern() .flattern()
.iter() .iter()
.map(|mt| mt.item.as_widget()) .map(|mt| {
let widget = mt.item.as_widget();
let widget_ptr = widget as *const dyn Widget<Message, Renderer>;
let widget_ptr_mut = widget_ptr as *mut dyn Widget<Message, Renderer>;
//TODO: find a way to diff_children without unsafe code
unsafe { &mut *widget_ptr_mut }
})
.collect::<Vec<_>>(); .collect::<Vec<_>>();
t.diff_children(&flat); t.diff_children(flat.as_mut_slice());
}); });
*/
if tree.children.len() < self.menu_roots.len() { if tree.children.len() < self.menu_roots.len() {
let extended = self.menu_roots[tree.children.len()..].iter().map(|root| { let extended = self.menu_roots[tree.children.len()..].iter().map(|root| {