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Add LinearLayout::remove_child

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This commit is contained in:
Alexandre Bury 2018-06-26 13:26:49 -07:00
parent acf075369c
commit 70327a85e9
1 changed files with 12 additions and 0 deletions
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12
src/views/linear_layout.rs
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@ -175,6 +175,18 @@ impl LinearLayout {
self.children.get_mut(i).map(|child| &mut *child.view) self.children.get_mut(i).map(|child| &mut *child.view)
} }
/// Removes a child.
///
/// If `i` is within bounds, the removed child will be returned.
pub fn remove_child(&mut self, i: usize) -> Option<Box<View>> {
if i < self.children.len() {
self.invalidate();
Some(self.children.remove(i).view)
} else {
None
}
}
// If the cache can be used, return the cached size. // If the cache can be used, return the cached size.
// Otherwise, return None. // Otherwise, return None.
fn get_cache(&self, req: Vec2) -> Option<Vec2> { fn get_cache(&self, req: Vec2) -> Option<Vec2> {