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Still need to wire up MouseMove with the new regions

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This commit is contained in:
Nathan Sobo 2023-08-18 02:23:06 -06:00
parent 3709eff34b
commit b910c85f7f
7 changed files with 82 additions and 33 deletions
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47
crates/gpui/playground/src/hoverable.rs
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@ -7,11 +7,15 @@ use gpui::{
};
use refineable::Refineable;
use crate::{element::Element, style::StyleRefinement};
use crate::{
element::{Element, ParentElement},
style::StyleRefinement,
};
pub struct Hoverable<V, E> {
hover_style: StyleRefinement,
computed_style: Option<StyleRefinement>,
hovered: Rc<Cell<bool>>,
view_type: PhantomData<V>,
child: E,
}
@ -21,6 +25,7 @@ impl<V, E> Hoverable<V, E> {
Self {
hover_style: StyleRefinement::default(),
computed_style: None,
hovered: Default::default(),
view_type: PhantomData,
child,
}
@ -37,8 +42,9 @@ impl<V: 'static, E: Element<V>> Element<V> for Hoverable<V, E> {
fn computed_style(&mut self, cx: &mut ViewContext<V>) -> &StyleRefinement {
self.computed_style.get_or_insert_with(|| {
let mut style = self.child.computed_style(cx).clone();
// if hovered
style.refine(&self.hover_style);
if self.hovered.get() {
style.refine(&self.hover_style);
}
style
})
}
@ -63,17 +69,24 @@ impl<V: 'static, E: Element<V>> Element<V> for Hoverable<V, E> {
) -> anyhow::Result<()> {
let EngineLayout { bounds, order } = layout.from_engine;
let window_bounds = RectF::new(Vector2F::zero(), cx.window_size());
let was_hovered = Rc::new(Cell::new(false));
let hovered = self.hovered.clone();
self.child.paint(layout, view, cx)?;
let mouse_within_bounds = bounds.contains_point(cx.mouse_position());
if mouse_within_bounds != hovered.get() {
hovered.set(mouse_within_bounds);
cx.repaint();
}
cx.draw_interactive_region(
order,
window_bounds,
false,
move |view, event: &MouseMove, cx| {
let is_hovered = bounds.contains_point(cx.mouse_position());
if is_hovered != was_hovered.get() {
was_hovered.set(is_hovered);
let mouse_within_bounds = bounds.contains_point(cx.mouse_position());
if mouse_within_bounds != hovered.get() {
hovered.set(mouse_within_bounds);
cx.repaint();
}
},
@ -81,3 +94,23 @@ impl<V: 'static, E: Element<V>> Element<V> for Hoverable<V, E> {
Ok(())
}
}
impl<V: 'static, P: ParentElement<V>> ParentElement<V> for Hoverable<V, P> {
fn child(mut self, child: impl crate::element::IntoElement<V>) -> Self
where
Self: Sized,
{
self.child = self.child.child(child);
self
}
fn children<I, E>(mut self, children: I) -> Self
where
Self: Sized,
I: IntoIterator<Item = E>,
E: crate::element::IntoElement<V>,
{
self.child = self.child.children(children);
self
}
}