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Remove BoxView::squishable

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No-one knew what it was doing.
This commit is contained in:
Alexandre Bury 2019-08-27 13:29:16 -07:00
parent 0a81454e7d
commit b3fed80939
1 changed files with 4 additions and 44 deletions
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48
src/views/box_view.rs
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@ -25,13 +25,6 @@ pub struct BoxView<T: View> {
/// Constraint on each axis
size: XY<SizeConstraint>,
/// `true` if the view can be squished.
///
/// This means if the required size is less than the computed size,
/// consider returning a smaller size.
/// For instance, try to return the child's desired size.
squishable: bool, // TODO: remove?
/// Set to `true` whenever we change some settings. Means we should re-layout just in case.
invalidated: bool,
@ -50,7 +43,6 @@ impl<T: View> BoxView<T> {
) -> Self {
BoxView {
size: (width, height).into(),
squishable: false,
invalidated: true,
view,
}
@ -82,24 +74,6 @@ impl<T: View> BoxView<T> {
self.invalidate();
}
/// Sets `self` to be squishable.
///
/// A squishable `BoxView` will take a smaller size than it should when
/// the available space is too small. In that case, it will allow the
/// child view to contract, if it can.
///
/// More specifically, if the available space is less than the size we
/// would normally ask for, return the child size.
pub fn squishable(self) -> Self {
self.with(|s| s.set_squishable(true))
}
/// Controls the "squishability" of `self`.
pub fn set_squishable(&mut self, squishable: bool) {
self.squishable = squishable;
self.invalidate();
}
/// Wraps `view` in a new `BoxView` with the given size.
pub fn with_fixed_size<S: Into<Vec2>>(size: S, view: T) -> Self {
let size = size.into();
@ -228,28 +202,14 @@ impl<T: View> ViewWrapper for BoxView<T> {
let child_size = self.view.required_size(req);
// Some of this request will be granted, but maybe not all.
let result = self
.size
.zip_map(child_size.zip(req), SizeConstraint::result);
if self.squishable {
// When we're squishable, special behaviour:
//
// We respect the request if we're less or equal.
let respect_req = result.zip_map(req, |res, req| res <= req);
// If we respect the request, keep the result
// Otherwise, take the child as squish attempt.
respect_req.select_or(result, child_size)
} else {
result
}
self.size
.zip_map(child_size.zip(req), SizeConstraint::result)
}
fn wrap_layout(&mut self, size: Vec2) {
self.invalidated = false;
self.view.layout(size);
self.view
.layout(self.size.zip_map(size, |c, s| c.result((s, s))));
}
fn wrap_needs_relayout(&self) -> bool {