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This commit is contained in:
Nathan Sobo 2024-02-21 10:57:47 -07:00
parent 5e43290aa1
commit 3faa812b08
1 changed files with 17 additions and 8 deletions
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25
crates/gpui/src/element.rs
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@ -61,7 +61,13 @@ pub trait Element: 'static + IntoElement {
/// Once layout has been completed, this method will be called to paint the element to the screen.
/// The state argument is the same state that was returned from [`Element::request_layout()`].
fn paint(&mut self, bounds: Bounds<Pixels>, state: &mut Self::State, cx: &mut ElementContext);
fn paint(
&mut self,
bounds: Bounds<Pixels>,
dry_run: bool,
state: &mut Self::State,
cx: &mut ElementContext,
);
/// Convert this element into a dynamically-typed [`AnyElement`].
fn into_any(self) -> AnyElement {
@ -229,7 +235,7 @@ trait ElementObject {
fn request_layout(&mut self, cx: &mut ElementContext) -> LayoutId;
fn paint(&mut self, cx: &mut ElementContext);
fn paint(&mut self, dry_run: bool, cx: &mut ElementContext);
fn measure(
&mut self,
@ -386,15 +392,18 @@ impl<E: Element> DrawableElement<E> {
fn draw(
mut self,
origin: Point<Pixels>,
dry_run: bool,
available_space: Size<AvailableSpace>,
cx: &mut ElementContext,
) -> Option<E::State> {
self.measure(available_space, cx);
cx.with_absolute_element_offset(origin, |cx| self.paint(cx))
if dry_run {
self.measure(available_space, cx);
}
cx.with_absolute_element_offset(origin, |cx| self.paint(dry_run, cx))
}
}
impl<E> ElementObject for Option<DrawableElement<E>>
impl<E> ElementObject for DrawableElement<E>
where
E: Element,
E::State: 'static,
@ -407,8 +416,8 @@ where
DrawableElement::request_layout(self.as_mut().unwrap(), cx)
}
fn paint(&mut self, cx: &mut ElementContext) {
DrawableElement::paint(self.take().unwrap(), cx);
fn paint(&mut self, dry_run: bool, cx: &mut ElementContext) {
DrawableElement::paint(self.as_mut().unwrap(), dry_run, cx);
}
fn measure(
@ -425,7 +434,7 @@ where
available_space: Size<AvailableSpace>,
cx: &mut ElementContext,
) {
DrawableElement::draw(self.take().unwrap(), origin, available_space, cx);
DrawableElement::draw(self.as_mut().unwrap(), origin, available_space, cx);
}
}