100 lines
2.6 KiB
Rust
100 lines
2.6 KiB
Rust
use gpui::{
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div, AnyElement, App, Bounds, Div, DivFrameState, Element, ElementId, GlobalElementId, Hitbox,
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InteractiveElement as _, IntoElement, LayoutId, ParentElement, Pixels, StyleRefinement, Styled,
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Window,
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};
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/// An element that sets a particular rem size for its children.
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pub struct WithRemSize {
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div: Div,
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rem_size: Pixels,
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}
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impl WithRemSize {
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/// Create a new [WithRemSize] element, which sets a
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/// particular rem size for its children.
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pub fn new(rem_size: impl Into<Pixels>) -> Self {
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Self {
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div: div(),
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rem_size: rem_size.into(),
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}
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}
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/// Block the mouse from interacting with this element or any of its children
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/// The fluent API equivalent to [`Interactivity::occlude_mouse`]
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///
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/// [`Interactivity::occlude_mouse`]: gpui::Interactivity::occlude_mouse
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pub fn occlude(mut self) -> Self {
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self.div = self.div.occlude();
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self
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}
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}
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impl Styled for WithRemSize {
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fn style(&mut self) -> &mut StyleRefinement {
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self.div.style()
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}
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}
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impl ParentElement for WithRemSize {
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fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
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self.div.extend(elements)
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}
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}
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impl Element for WithRemSize {
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type RequestLayoutState = DivFrameState;
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type PrepaintState = Option<Hitbox>;
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fn id(&self) -> Option<ElementId> {
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Element::id(&self.div)
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}
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fn request_layout(
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&mut self,
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id: Option<&GlobalElementId>,
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window: &mut Window,
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cx: &mut App,
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) -> (LayoutId, Self::RequestLayoutState) {
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window.with_rem_size(Some(self.rem_size), |window| {
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self.div.request_layout(id, window, cx)
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})
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}
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fn prepaint(
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&mut self,
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id: Option<&GlobalElementId>,
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bounds: Bounds<Pixels>,
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request_layout: &mut Self::RequestLayoutState,
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window: &mut Window,
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cx: &mut App,
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) -> Self::PrepaintState {
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window.with_rem_size(Some(self.rem_size), |window| {
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self.div.prepaint(id, bounds, request_layout, window, cx)
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})
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}
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fn paint(
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&mut self,
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id: Option<&GlobalElementId>,
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bounds: Bounds<Pixels>,
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request_layout: &mut Self::RequestLayoutState,
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prepaint: &mut Self::PrepaintState,
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window: &mut Window,
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cx: &mut App,
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) {
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window.with_rem_size(Some(self.rem_size), |window| {
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self.div
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.paint(id, bounds, request_layout, prepaint, window, cx)
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})
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}
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}
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impl IntoElement for WithRemSize {
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type Element = Self;
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fn into_element(self) -> Self::Element {
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self
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}
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}
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